Annotation of Amaya/amaya/query.c, revision 1.361
1.14 cvs 1: /*
2: *
1.356 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2005
1.14 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
1.156 cvs 5: *
1.14 cvs 6: */
1.243 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.116 cvs 17: /* defines to include elsewhere
18: *********************************/
19:
1.337 cvs 20: #ifdef _WINGUI
1.361 ! vatton 21: #include <string.h>
1.337 cvs 22: #endif /* !_WINGUI */
1.331 gully 23:
1.340 gully 24: #ifdef _WX
1.361 ! vatton 25: #include "wx/utils.h"
! 26: #include "wx/dir.h"
! 27: #include "wxAmayaSocketEvent.h"
! 28: #include "wxAmayaSocketEventLoop.h"
1.340 gully 29: #endif /* _WX */
30:
1.116 cvs 31: #define AMAYA_WWW_CACHE
1.168 cvs 32: #define AMAYA_LOST_UPDATE
1.116 cvs 33:
1.12 cvs 34: /* Amaya includes */
1.25 cvs 35: #define THOT_EXPORT extern
1.4 cvs 36: #include "amaya.h"
1.214 cvs 37: #include "init_f.h"
1.130 cvs 38: #include <sys/types.h>
1.331 gully 39:
1.338 cvs 40: #ifndef _WINDOWS
1.361 ! vatton 41: #include <unistd.h>
1.338 cvs 42: #endif /* #ifndef _WINDOWS */
1.331 gully 43:
1.70 cvs 44: #include <fcntl.h>
1.140 cvs 45: #include "HTEvtLst.h"
1.157 cvs 46: #include "HTAABrow.h"
1.272 cvs 47: #include "string.h"
1.279 cvs 48: #include "interface.h"
1.7 cvs 49:
1.141 cvs 50: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 51: #define CATCH_SIG
52: #endif
53:
54: /* local structures coming from libwww and which are
1.17 cvs 55: not found in any .h file
1.361 ! vatton 56: */
1.68 cvs 57:
1.7 cvs 58: struct _HTStream
1.361 ! vatton 59: {
! 60: const HTStreamClass *isa;
! 61: FILE *fp;
! 62: BOOL leave_open; /* Close file when TtaFreeMemory? */
! 63: char *end_command; /* Command to execute */
! 64: BOOL remove_on_close; /* Remove file? */
! 65: char *filename; /* Name of file */
! 66: HTRequest *request; /* saved for callback */
! 67: HTRequestCallback *callback;
! 68: };
1.7 cvs 69:
1.15 cvs 70:
1.7 cvs 71: struct _HTError
1.361 ! vatton 72: {
! 73: HTErrorElement element; /* Index number into HTError */
! 74: HTSeverity severity; /* A la VMS */
! 75: BOOL ignore; /* YES if msg should not go to user */
! 76: void *par; /* Explanation, e.g. filename */
! 77: int length; /* For copying by generic routine */
! 78: char *where; /* Which function */
! 79: };
1.7 cvs 80:
1.4 cvs 81: /* Type definitions and global variables etc. local to this module */
82:
1.17 cvs 83: /*----------------------------------------------------------------------*/
1.293 kahan 84:
85: /* libwww default parameters */
1.340 gully 86: #ifdef _WINDOWS
1.361 ! vatton 87: #define CACHE_DIR_NAME "\\libwww-cache\\"
1.340 gully 88: #endif /* _WINDOWS */
1.331 gully 89:
1.340 gully 90: #if defined(_UNIX)
1.361 ! vatton 91: #define CACHE_DIR_NAME "/libwww-cache/"
1.340 gully 92: #endif /* #if defined(_UNIX)*/
1.293 kahan 93:
94: #define DEFAULT_CACHE_SIZE 10
95: #define DEFAULT_MAX_CACHE_ENTRY_SIZE 3
96: #define DEFAULT_MAX_SOCKET 32
97: #define DEFAULT_DNS_TIMEOUT 1800L
98: #define DEFAULT_PERSIST_TIMEOUT 60L
99: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.294 kahan 100: /* defines the priority for general content negotiation */
101: #define GENERAL_ACCEPT_NEGOTIATION "*/*;q=0.1,"AM_SVG_MIME_TYPE","AM_MATHML_MIME_TYPE","AM_XHTML_MIME_TYPE
1.293 kahan 102: /* defines the priority for image content negotiation */
103: #define IMAGE_ACCEPT_NEGOTIATION "*/*;q=0.1,image/*,image/gif,image/jpeg,image/png,image/svg+xml,"AM_SVG_MIME_TYPE
104:
1.4 cvs 105: /*** private variables ***/
1.17 cvs 106:
1.4 cvs 107: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 108: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.193 cvs 109: static HTList *acceptLanguages = NULL; /* List of language priorities for the Accept header */
1.151 cvs 110: static HTList *transfer_encodings = NULL;
111: static HTList *content_encodings = NULL;
1.207 cvs 112: /* List of domains where we can do a safe PUT redirect */
113: static HTList *safeput_list = NULL;
114:
1.16 cvs 115: static int object_counter = 0; /* loaded objects counter */
1.191 cvs 116: static ThotBool AmayaAlive_flag; /* set to 1 if the application is active;
1.361 ! vatton 117: 0 if we have killed */
1.191 cvs 118: static ThotBool CanDoStop_flag; /* set to 1 if we can do a stop, 0
1.361 ! vatton 119: if we're inside a critical section */
1.214 cvs 120: static ThotBool UserAborted_flag; /* set to 1 if we're processing a user
1.361 ! vatton 121: induced stop request operation */
1.128 cvs 122: #ifdef AMAYA_WWW_CACHE
1.130 cvs 123: static int fd_cachelock; /* open handle to the .lock cache file */
124: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 125:
1.246 kahan 126: static ThotBool FTPURL_flag; /* if set to true, we can browse FTP URLs */
127:
1.248 kahan 128: static FILE *trace_fp = NULL; /* file pointer to the trace logs */
129:
1.15 cvs 130: #include "answer_f.h"
131: #include "query_f.h"
132: #include "AHTURLTools_f.h"
133: #include "AHTBridge_f.h"
134: #include "AHTMemConv_f.h"
135: #include "AHTFWrite_f.h"
1.4 cvs 136:
1.298 cvs 137: #ifdef DAV
1.335 gully 138: #define WEBDAV_EXPORT extern
1.298 cvs 139: #include "davlib.h"
140: #include "davlib_f.h"
141: #include "davlibCommon_f.h"
1.302 kirschpi 142: #endif /* DAV */
1.298 cvs 143:
1.116 cvs 144: /* prototypes */
145:
1.352 gully 146: #ifdef _WINDOWS
1.70 cvs 147: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.352 gully 148: #endif /* _WINDOWS */
1.297 kirschpi 149:
1.130 cvs 150: #ifdef AMAYA_WWW_CACHE
151: /***************************************************************
152: lock functions, used to avoid concurrent use of the cache
153: Mostly based on W. Richard Stevens' APUE book.
1.361 ! vatton 154: ***************************************************************/
1.130 cvs 155: /*----------------------------------------------------------------------
156: set_cachelock
157: sets a write lock on filename.
158: Returns -1 in case of failure, otherwise, it'll open a handle on
159: filename and fd_cachelock will take its value.
160: ----------------------------------------------------------------------*/
1.265 cvs 161: static int set_cachelock (char *filename)
1.130 cvs 162: {
1.331 gully 163: int status = 0;
1.338 cvs 164: #ifdef _WINDOWS
1.188 cvs 165:
166: status = TtaFileExist (filename);
167: return ((status) ? 0 : -1);
1.338 cvs 168: #endif /* _WINDOWS */
1.331 gully 169:
1.340 gully 170: #if defined(_UNIX)
1.130 cvs 171: struct flock lock;
172:
173: lock.l_type = F_WRLCK;
174: lock.l_start = 0;
175: lock.l_whence = SEEK_SET;
176: lock.l_len = 0;
177:
178: fd_cachelock = open (filename, O_WRONLY);
179:
180: if (fd_cachelock == -1)
181: status = -1;
182: else
183: status = fcntl(fd_cachelock, F_SETLK, &lock);
184:
185: if (status == -1)
1.190 cvs 186: {
1.179 cvs 187: if (fd_cachelock > 0)
1.361 ! vatton 188: close (fd_cachelock);
1.179 cvs 189: fd_cachelock = 0;
1.178 cvs 190: }
1.130 cvs 191: return (status);
1.340 gully 192: #endif /* #if defined(_UNIX) */
1.331 gully 193:
1.130 cvs 194: }
195:
196: /*----------------------------------------------------------------------
197: clear_cachelock
198: remove the write lock set on a filename.
199: It'll close the fd handle on filename and reset *fd to 0.
200: ----------------------------------------------------------------------*/
201: static int clear_cachelock (void)
202: {
1.331 gully 203: int status = 0;
1.130 cvs 204:
1.340 gully 205: #if defined(_UNIX)
1.178 cvs 206: if (!fd_cachelock)
1.130 cvs 207: return (-1);
208:
1.178 cvs 209: status = close (fd_cachelock);
1.130 cvs 210: fd_cachelock = 0;
1.340 gully 211: #endif /* #if defined(_UNIX) */
1.130 cvs 212:
213: return (status);
214: }
215:
216: /*----------------------------------------------------------------------
217: test_cachelock
218: returns 0 if a fd is not locked by other process, otherwise
219: returns the pid of the process who has the lock
220: ----------------------------------------------------------------------*/
1.265 cvs 221: static int test_cachelock (char *filename)
1.130 cvs 222: {
1.338 cvs 223: #ifdef _WINDOWS
1.185 cvs 224: /* if the lock is set, we can't unlink the file under Windows */
1.354 gully 225: if (TtaFileUnlink(filename) == 0)
1.188 cvs 226: return 0;
227: else
1.185 cvs 228: return -1;
1.331 gully 229: #endif
230:
1.340 gully 231: #if defined(_UNIX)
1.130 cvs 232: struct flock lock;
233: int fd, status;
234:
235: lock.l_type = F_WRLCK;
236: lock.l_start = 0;
237: lock.l_whence = SEEK_SET;
238: lock.l_len = 0;
239:
240: fd = open (filename, O_WRONLY);
241:
242: if (fd < 0)
243: return (-1);
244: /* is this file locked ? */
245: status = fcntl (fd, F_GETLK, &lock);
246: close (fd);
247:
248: if (status < 0)
249: return (-1);
250:
251: if (lock.l_type == F_UNLCK)
252: return (0); /* false, region is not locked by another proc */
253: return (lock.l_pid); /* true, return pid of lock owner */
1.340 gully 254: #endif /* #if defined(_UNIX) */
1.130 cvs 255: }
256:
257: #endif /* AMAYA_WWW_CACHE */
258:
1.15 cvs 259: /*----------------------------------------------------------------------
1.17 cvs 260: GetDocIdStatus
261: gets the status associated to a docid
1.15 cvs 262: ----------------------------------------------------------------------*/
263: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
264: {
1.361 ! vatton 265: AHTDocId_Status *me;
! 266: HTList *cur;
1.15 cvs 267:
1.361 ! vatton 268: if (documents)
! 269: {
! 270: cur = documents;
! 271:
! 272: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
! 273: {
! 274: if (me->docid == docid)
! 275: return (me);
! 276: }
! 277: }
! 278: return (AHTDocId_Status *) NULL;
1.15 cvs 279:
280: }
281:
1.5 cvs 282: /*----------------------------------------------------------------------
1.27 cvs 283: AHTGuessAtom_for
284: Converts an Amaya type descriptor into the equivalent MIME type.
285: ----------------------------------------------------------------------*/
1.276 kahan 286: static HTAtom *AHTGuessAtom_for (char *urlName, char *contentType)
1.27 cvs 287: {
1.361 ! vatton 288: HTAtom *atom;
! 289: char * filename;
! 290: HTEncoding enc = NULL;
! 291: HTEncoding cte = NULL;
! 292: HTLanguage lang = NULL;
! 293: double quality = 1.0;
! 294:
! 295: /* we already have a MIME type, we jsut return the atom */
! 296: if (contentType && *contentType)
! 297: atom = HTAtom_for (contentType);
! 298: else
! 299: {
! 300: /* we don't have the MIME type, so
! 301: we try to use the filename's suffix to infer it */
! 302: filename = AmayaParseUrl (urlName, "",
! 303: AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
! 304: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
! 305: TtaFreeMemory (filename);
! 306: if (atom == WWW_UNKNOWN)
! 307: {
! 308: /*
! 309: ** we could not identify the suffix, so we give it a default type.
! 310: ** (we should ask the user, but we're not ready for that yet).
! 311: */
! 312: atom = HTAtom_for ("text/html");
! 313: }
! 314: }
! 315: return atom;
1.27 cvs 316: }
317:
318: /*----------------------------------------------------------------------
1.238 cvs 319: HTTP_Headers_set
320: Copies the headers in which the application is interested, doing
321: any in-between conversions as needed.
322: ----------------------------------------------------------------------*/
1.315 vatton 323: void HTTP_headers_set (HTRequest *request, HTResponse *response,
1.361 ! vatton 324: void *context, int status)
1.238 cvs 325: {
1.267 kahan 326: AHTReqContext *me;
1.283 cvs 327: HTAtom *tmp_atom = NULL;
1.267 kahan 328: char *tmp_char;
1.285 kahan 329: char *tmp_char2;
1.284 kahan 330: char tmp_string[20];
1.267 kahan 331: HTParentAnchor *anchor;
1.287 kahan 332: ThotBool use_anchor;
1.307 vatton 333: HTError *pres;
1.313 kahan 334: HTList *cur;
1.312 kahan 335: int index;
1.267 kahan 336:
337: me = (AHTReqContext *) HTRequest_context (request);
1.282 kahan 338:
1.267 kahan 339: anchor = HTRequest_anchor (request);
1.238 cvs 340:
1.287 kahan 341: /* if we get a cached answer, we should get all the header information
342: from the anchor, instead of from the response object */
343: tmp_char = HTAnchor_physical (anchor);
344: if (tmp_char && !strncmp (tmp_char, "cache:", sizeof ("cache:") - 1))
345: use_anchor = TRUE;
346: else
347: use_anchor = FALSE;
348:
1.263 kahan 349: /* @@@ JK: we need a function here to specify which headers we
1.238 cvs 350: want to copy */
351:
1.267 kahan 352: /* copy the content_type if we didn't force it before */
353: if (me->http_headers.content_type == NULL)
1.260 kahan 354: {
1.267 kahan 355: /* trying to use the info in the anchor, rather than in the response.
1.361 ! vatton 356: Seems it's more recent */
1.282 kahan 357:
358: /* @@ JK: trying to use the content type stored in the response object */
1.287 kahan 359: if (!use_anchor && response)
1.361 ! vatton 360: tmp_atom = HTResponse_format (response);
1.282 kahan 361: if (!tmp_atom)
1.361 ! vatton 362: tmp_atom = HTAnchor_format (anchor);
1.260 kahan 363:
1.267 kahan 364: if (tmp_atom)
1.361 ! vatton 365: tmp_char = HTAtom_name (tmp_atom);
1.267 kahan 366: else
1.361 ! vatton 367: tmp_char = "www/unknown";
1.267 kahan 368:
369: if (tmp_char && tmp_char[0] != EOS)
1.361 ! vatton 370: {
! 371: /* libwww gives www/unknown when it gets an error. As this is
! 372: an HTML test, we force the type to text/html */
! 373: if (!strcmp (tmp_char, "www/unknown"))
! 374: {
! 375: /* if it's not a file downloaded from FTP, initialize the
! 376: content type to text/html by default */
! 377: me->http_headers.content_type = NULL;
! 378: }
! 379: else
! 380: me->http_headers.content_type = TtaStrdup (tmp_char);
1.267 kahan 381:
1.238 cvs 382: #ifdef DEBUG_LIBWWW
1.361 ! vatton 383: fprintf (stderr, "Set content type to: %s\n",
! 384: me->http_headers.content_type);
1.238 cvs 385: #endif /* DEBUG_LIBWWW */
1.361 ! vatton 386: }
1.238 cvs 387: }
1.267 kahan 388:
1.238 cvs 389: /* copy the charset */
1.267 kahan 390:
391: /* @@ JK I think there was a problem when using info directly from
392: the anchor... but what it was? The response object doesn't have
393: it anyway */
394: tmp_atom = HTAnchor_charset (anchor);
395: #if 0
1.260 kahan 396: if (use_anchor)
397: tmp_atom = HTAnchor_charset (anchor);
398: else
399: tmp_atom = HTResponse_charset (response);
1.267 kahan 400: #endif
401:
1.238 cvs 402: if (tmp_atom)
403: {
1.284 kahan 404: tmp_char = HTAtom_name (tmp_atom);
405: if (tmp_char)
1.361 ! vatton 406: me->http_headers.charset = TtaStrdup (tmp_char);
1.238 cvs 407: }
1.256 kahan 408:
1.268 kahan 409: /* copy the content length */
1.284 kahan 410: snprintf (tmp_string, sizeof (tmp_string), "%ld", HTAnchor_length (anchor));
411: me->http_headers.content_length = TtaStrdup (tmp_string);
1.268 kahan 412:
1.256 kahan 413: /* copy the reason */
1.319 kahan 414: if (status != HT_INTERRUPTED)
415: {
416: tmp_char = HTResponse_reason (response);
417: if (tmp_char)
1.361 ! vatton 418: me->http_headers.reason = TtaStrdup (tmp_char);
1.319 kahan 419: }
1.284 kahan 420:
421: /* copy the content-location */
422: tmp_char = HTAnchor_location (anchor);
1.285 kahan 423: if (tmp_char && *tmp_char)
1.304 kahan 424: {
425: /* make a copy of the full location_header, for computing the base url */
1.305 kahan 426: if (HTURL_isAbsolute (tmp_char))
1.361 ! vatton 427: me->http_headers.full_content_location = TtaStrdup (tmp_char);
1.305 kahan 428: else
1.361 ! vatton 429: me->http_headers.full_content_location = AmayaParseUrl (tmp_char, me->urlName,
! 430: AMAYA_PARSE_ALL);
1.305 kahan 431: tmp_char = me->http_headers.full_content_location;
1.285 kahan 432: /* only include the filename. We suppose we have either a
1.361 ! vatton 433: relative or an absolute URL and that everything after the last
! 434: slash is the doc name + ext */
1.285 kahan 435: if (HTURL_isAbsolute (tmp_char))
1.361 ! vatton 436: {
! 437: tmp_char2 = tmp_char + strlen (tmp_char) - 1;
! 438: while (*tmp_char2 != URL_SEP && tmp_char2 != tmp_char)
! 439: tmp_char2--;
! 440: if (tmp_char2 != tmp_char && *(tmp_char2 + 1))
! 441: tmp_char = tmp_char2 + 1;
! 442: }
1.285 kahan 443: me->http_headers.content_location = TtaStrdup (tmp_char);
444: }
1.307 vatton 445:
446: /* copy the status */
1.312 kahan 447: me->http_headers.status = 0;
1.313 kahan 448:
449: cur = request->error_stack;
450: while (me->http_headers.reason == NULL
1.361 ! vatton 451: && (pres = (HTError *) HTList_nextObject (cur)))
1.312 kahan 452: {
453: index = HTError_index (pres);
454: switch (index)
1.361 ! vatton 455: {
! 456: case HTERR_NO_REMOTE_HOST:
! 457: case HTERR_SYSTEM:
! 458: case HTERR_INTERNAL:
! 459: case HTERR_TIME_OUT:
! 460: case HTERR_CSO_SERVER:
! 461: me->http_headers.status = index;
! 462: if (me->http_headers.reason)
! 463: TtaFreeMemory (me->http_headers.reason);
! 464: me->http_headers.reason = TtaStrdup ("Cannot contact server");
! 465: break;
! 466: case HTERR_INTERRUPTED:
! 467: me->http_headers.status = index;
! 468: if (me->http_headers.reason)
! 469: TtaFreeMemory (me->http_headers.reason);
! 470: me->http_headers.reason = TtaStrdup ("Interrupted");
! 471: break;
! 472: }
1.312 kahan 473: }
1.238 cvs 474: }
475:
476: /*----------------------------------------------------------------------
477: HTTP_headers_delete
478: Deletes all the paramaters that were assigned to the response type
479: ----------------------------------------------------------------------*/
480: static void HTTP_headers_delete (AHTHeaders me)
481: {
482: if (me.content_type)
483: TtaFreeMemory (me.content_type);
484:
485: if (me.charset)
486: TtaFreeMemory (me.charset);
1.268 kahan 487:
488: if (me.content_length)
489: TtaFreeMemory (me.content_length);
1.256 kahan 490:
491: if (me.reason)
492: TtaFreeMemory (me.reason);
1.284 kahan 493:
494: if (me.content_location)
495: TtaFreeMemory (me.content_location);
1.304 kahan 496:
497: if (me.full_content_location)
498: TtaFreeMemory (me.full_content_location);
1.238 cvs 499: }
500:
501: /*----------------------------------------------------------------------
502: HTTP_headers
503: Returns the value of a parameter in the HTTP response structure.
504: Returns null if this structure is empty.
505: ----------------------------------------------------------------------*/
1.265 cvs 506: char *HTTP_headers (AHTHeaders *me, AHTHeaderName param)
1.238 cvs 507: {
1.265 cvs 508: char *result;
1.238 cvs 509:
510: if (!me)
511: return NULL;
512:
513: switch (param)
514: {
515: case AM_HTTP_CONTENT_TYPE:
516: result = me->content_type;
517: break;
518: case AM_HTTP_CHARSET:
519: result = me->charset;
1.268 kahan 520: break;
521: case AM_HTTP_CONTENT_LENGTH:
522: result = me->content_length;
1.238 cvs 523: break;
1.256 kahan 524: case AM_HTTP_REASON:
525: result = me->reason;
1.284 kahan 526: break;
527: case AM_HTTP_CONTENT_LOCATION:
528: result = me->content_location;
1.304 kahan 529: break;
530: case AM_HTTP_FULL_CONTENT_LOCATION:
531: result = me->full_content_location;
1.256 kahan 532: break;
1.238 cvs 533: default:
534: result = NULL;
535: }
536:
537: return result;
538: }
539:
540: /*----------------------------------------------------------------------
1.17 cvs 541: AHTReqContext_new
542: create a new Amaya Context Object and update the global Amaya
543: request status.
1.297 kirschpi 544:
545: ----------------------------------------------------------------------
546: MKP: this function is now used in davlib.c file for the WebDAV requests
1.299 kirschpi 547:
1.297 kirschpi 548: ---------------------------------------------------------------------- */
549: AHTReqContext *AHTReqContext_new (int docid)
1.4 cvs 550: {
1.361 ! vatton 551: AHTReqContext *me;
! 552: AHTDocId_Status *docid_status;
1.4 cvs 553:
1.361 ! vatton 554: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
! 555: outofmem (__FILE__, "AHTReqContext_new");
1.116 cvs 556:
1.361 ! vatton 557: /* clear the structure */
! 558: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 559:
1.361 ! vatton 560: /* Bind the Context object together with the Request Object */
! 561: me->request = HTRequest_new ();
1.81 cvs 562:
1.361 ! vatton 563: /* clean the associated file structure) */
! 564: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 565:
1.361 ! vatton 566: /* Initialize the other members of the structure */
! 567: me->reqStatus = HT_NEW; /* initial status of a request */
! 568: me->docid = docid;
! 569: HTRequest_setMethod (me->request, METHOD_GET);
! 570: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
! 571: HTRequest_setContext (me->request, me);
! 572:
! 573: /* experimental */
! 574: me->read_sock = INVSOC;
! 575: me->write_sock = INVSOC;
! 576: me->except_sock = INVSOC;
! 577:
! 578: /* Update the global context */
! 579: HTList_appendObject (Amaya->reqlist, (void *) me);
! 580:
! 581: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
! 582:
! 583: if (docid_status == NULL)
! 584: {
! 585: docid_status = (AHTDocId_Status *)
! 586: TtaGetMemory (sizeof (AHTDocId_Status));
! 587: docid_status->docid = docid;
! 588: docid_status->counter = 1;
! 589: HTList_addObject (Amaya->docid_status, (void *) docid_status);
! 590: }
! 591: else
! 592: docid_status->counter++;
1.4 cvs 593:
1.297 kirschpi 594: #ifdef DAV /* clean the DAV request context */
1.361 ! vatton 595: me->dav_context = NULL; /* it should be create only when doing a DAV request */
1.302 kirschpi 596: #endif /* DAV */
1.297 kirschpi 597:
1.361 ! vatton 598: Amaya->open_requests++;
1.4 cvs 599:
1.74 cvs 600: #ifdef DEBUG_LIBWWW
1.361 ! vatton 601: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
1.74 cvs 602: #endif
1.116 cvs 603:
1.361 ! vatton 604: return me;
1.4 cvs 605: }
606:
1.5 cvs 607: /*----------------------------------------------------------------------
1.17 cvs 608: AHTReqContext_delete
609: Delete an Amaya Context Object and update the global Amaya request
610: status.
1.5 cvs 611: ----------------------------------------------------------------------*/
1.191 cvs 612: ThotBool AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 613: {
1.361 ! vatton 614: AHTDocId_Status *docid_status;
1.4 cvs 615:
1.361 ! vatton 616: if (me)
! 617: {
1.74 cvs 618: #ifdef DEBUG_LIBWWW
1.361 ! vatton 619: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 620: #endif
1.297 kirschpi 621:
622: #ifdef DAV /* if there is a DAV context object, delete it */
1.361 ! vatton 623: if (me->dav_context) AHTDAVContext_delete ((AHTDAVContext*)me->dav_context);
1.297 kirschpi 624: #endif /* DAV */
625:
1.361 ! vatton 626: if (Amaya->reqlist)
! 627: HTList_removeObject (Amaya->reqlist, (void *) me);
1.138 cvs 628:
1.361 ! vatton 629: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
! 630: if (docid_status)
! 631: {
! 632: docid_status->counter--;
1.138 cvs 633:
1.361 ! vatton 634: if (docid_status->counter == 0)
! 635: {
! 636: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
! 637: TtaFreeMemory ((void *) docid_status);
! 638: }
! 639: }
! 640:
! 641: HTNoFreeStream_delete (HTRequest_outputStream (me->request));
! 642: HTRequest_setOutputStream (me->request, NULL);
! 643: /* JK: no longer needed in libwww 5.2.3
! 644: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
! 645: AHTFWriter_FREE (HTRequest_outputStream (me->request));
! 646: */
! 647: HTRequest_delete (me->request);
1.138 cvs 648:
1.361 ! vatton 649: if (me->output && me->output != stdout)
! 650: {
1.85 cvs 651: #ifdef DEBUG_LIBWWW
1.361 ! vatton 652: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
! 653: "FILE %p\n", me->urlName, me->output);
1.85 cvs 654: #endif
1.361 ! vatton 655: TtaReadClose (me->output);
! 656: me->output = NULL;
! 657: }
1.79 cvs 658:
1.361 ! vatton 659: if (me->error_stream != (char *) NULL)
! 660: HT_FREE (me->error_stream);
1.344 vatton 661: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.138 cvs 662: #ifdef WWW_XWINDOWS
1.361 ! vatton 663: if (me->read_xtinput_id || me->write_xtinput_id ||
! 664: me->except_xtinput_id)
! 665: RequestKillAllXtevents(me);
1.138 cvs 666: #endif /* WWW_XWINDOWS */
1.344 vatton 667: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.138 cvs 668:
1.361 ! vatton 669: if (me->reqStatus == HT_ABORT)
! 670: {
! 671: if (me->outputfile && me->outputfile[0] != EOS)
! 672: {
! 673: TtaFileUnlink (me->outputfile);
! 674: me->outputfile[0] = EOS;
! 675: }
! 676: }
1.138 cvs 677:
1.361 ! vatton 678: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
! 679: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
! 680: or in PutObjectWWW */
! 681: {
! 682: if (me->urlName)
! 683: TtaFreeMemory (me->urlName);
! 684: if (me->outputfile)
! 685: TtaFreeMemory (me->outputfile);
! 686: }
1.206 cvs 687:
1.361 ! vatton 688: /* the real name to which we are publishing */
! 689: if (me->default_put_name)
! 690: TtaFreeMemory (me->default_put_name);
! 691:
! 692: /* @@ temp change for the %esc conversion */
! 693: if (me->method == METHOD_PUT && me->urlName)
! 694: TtaFreeMemory (me->urlName);
1.238 cvs 695:
1.361 ! vatton 696: if (me->formdata)
! 697: HTAssocList_delete (me->formdata);
! 698:
! 699: /* erase the response headers */
! 700: HTTP_headers_delete (me->http_headers);
1.138 cvs 701:
1.228 cvs 702: #ifdef ANNOTATIONS
1.361 ! vatton 703: if (me->document)
! 704: TtaFreeMemory (me->document);
1.228 cvs 705: #endif /* ANNOTATIONS */
706:
1.361 ! vatton 707: if (me->refdocUrl)
! 708: TtaFreeMemory (me->refdocUrl);
1.332 kahan 709:
1.361 ! vatton 710: /* to trace bugs */
! 711: memset ((void *) me, 0, sizeof (AHTReqContext));
1.138 cvs 712:
1.361 ! vatton 713: TtaFreeMemory ((void *) me);
1.138 cvs 714:
1.361 ! vatton 715: Amaya->open_requests--;
1.138 cvs 716:
1.361 ! vatton 717: return TRUE;
! 718: }
! 719: return FALSE;
1.4 cvs 720: }
721:
722:
1.15 cvs 723: /*----------------------------------------------------------------------
1.17 cvs 724: Thread_deleteAll
725: this function deletes the whole list of active threads.
1.5 cvs 726: ----------------------------------------------------------------------*/
1.4 cvs 727: static void Thread_deleteAll (void)
728: {
1.21 cvs 729: HTList *cur;
730: AHTReqContext *me;
731: AHTDocId_Status *docid_status;
732:
1.74 cvs 733: if (Amaya && Amaya->reqlist)
734: {
735: if (Amaya->open_requests > 0)
736: #ifdef DEBUG_LIBWWW
1.361 ! vatton 737: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
! 738: "requests\n", Amaya->open_requests);
1.74 cvs 739: #endif
1.344 vatton 740: {
1.361 ! vatton 741: cur = Amaya->reqlist;
! 742: /* erase the requests */
! 743: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
! 744: {
! 745: if (me->request)
! 746: {
1.344 vatton 747: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.142 cvs 748: #ifdef WWW_XWINDOWS
1.361 ! vatton 749: RequestKillAllXtevents (me);
1.142 cvs 750: #endif /* WWW_XWINDOWS */
1.344 vatton 751: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.361 ! vatton 752: if (!HTRequest_kill (me->request))
! 753: AHTReqContext_delete (me);
! 754: }
! 755: }
1.74 cvs 756:
1.361 ! vatton 757: /* erase the docid_status entities */
! 758: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((HTList *) Amaya->docid_status)))
! 759: TtaFreeMemory ((void *) docid_status);
1.344 vatton 760: }
1.74 cvs 761: }
1.4 cvs 762: }
1.198 cvs 763:
1.5 cvs 764: /*----------------------------------------------------------------------
1.83 cvs 765: AHTOpen_file
766: ----------------------------------------------------------------------*/
1.85 cvs 767: int AHTOpen_file (HTRequest * request)
1.83 cvs 768: {
769: AHTReqContext *me; /* current request */
770:
1.334 gully 771: me = (AHTReqContext *)HTRequest_context (request);
1.93 cvs 772: if (!me)
1.361 ! vatton 773: return HT_ERROR;
1.83 cvs 774: #ifdef DEBUG_LIBWWW
1.116 cvs 775: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 776: #endif /* DEBUG_LIBWWW */
777: if (me->reqStatus == HT_ABORT)
778: {
779: #ifdef DEBUG_LIBWWW
780: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 781: #endif /* DEBUG_LIBWWW */
1.85 cvs 782: return HT_OK;
783: }
784:
1.318 kahan 785: /* me->outputfile is only set when we want to store whatever result the server
786: sends back */
787: if (me->method == METHOD_PUT && !me->outputfile)
1.136 cvs 788: {
789: me->reqStatus = HT_WAITING;
790: return HT_OK;
791: }
792:
1.85 cvs 793: if (HTRequest_outputStream (me->request))
794: {
795: #ifdef DEBUG_LIBWWW
796: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
797: #endif /* DEBUG_LIBWWW */
798: return HT_OK;
799: }
800:
801: #ifdef DEBUG_LIBWWW
1.265 cvs 802: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
1.85 cvs 803: #endif /* DEBUG_LIBWWW */
804:
1.83 cvs 805: if (!(me->output) &&
806: (me->output != stdout) &&
1.350 vatton 807: (me->output = TtaWriteOpen (me->outputfile)) == NULL)
808: {
1.131 cvs 809: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 810: #ifdef DEBUG_LIBWWW
811: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
812: #endif
1.265 cvs 813: TtaSetStatus (me->docid, 1,
1.361 ! vatton 814: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
! 815: me->outputfile);
1.83 cvs 816: me->reqStatus = HT_ERR;
817: return (HT_ERROR);
818: }
819:
820: HTRequest_setOutputStream (me->request,
1.361 ! vatton 821: AHTFWriter_new (me->request, me->output, YES));
1.83 cvs 822: me->reqStatus = HT_WAITING;
1.318 kahan 823:
1.83 cvs 824: return HT_OK;
825: }
826:
827: /*----------------------------------------------------------------------
1.265 cvs 828: SafePut_init
829: Sets up the domains which are authorized to make a redirect on
830: a PUT.
831: ----------------------------------------------------------------------*/
832: static void SafePut_init (void)
833: {
834: char *strptr;
1.266 cvs 835: char *ptr, *ptr2;
836: char *domain;
1.265 cvs 837:
838: /* get the proxy settings from the thot.ini file */
839: strptr = TtaGetEnvString ("SAFE_PUT_REDIRECT");
840: if (strptr && *strptr)
841: {
842: /* Get copy we can mutilate */
1.266 cvs 843: ptr2 = TtaStrdup (strptr);
1.265 cvs 844: /* convert to lowercase */
1.266 cvs 845: ptr = ptr2;
1.265 cvs 846: while (*ptr)
1.361 ! vatton 847: {
! 848: *ptr = tolower (*ptr);
! 849: ptr++;
! 850: }
1.265 cvs 851:
852: /* create the list container */
1.266 cvs 853: safeput_list = HTList_new ();
854:
1.265 cvs 855: /* store the domain list */
1.266 cvs 856: ptr = ptr2;
857: while ((domain = HTNextField (&ptr)) != NULL)
1.361 ! vatton 858: HTList_addObject (safeput_list, TtaStrdup (domain));
1.265 cvs 859:
860: TtaFreeMemory (ptr2);
861: }
862: }
863:
864: /*----------------------------------------------------------------------
865: SafePut_delete
866: Deletes the safeput_list variable
867: ----------------------------------------------------------------------*/
868: static void SafePut_delete (void)
869: {
870: HTList *cur = safeput_list;
871: char *domain;
872:
873: if (!safeput_list)
874: return;
875:
876: while ((domain = (char *) HTList_nextObject (cur)))
1.361 ! vatton 877: TtaFreeMemory (domain);
! 878: HTList_delete (safeput_list);
! 879: safeput_list = NULL;
1.265 cvs 880: }
881:
882: /*----------------------------------------------------------------------
883: SafePut_query
1.328 quint 884: returns true if the domain to which the URL belongs accepts an automatic
1.265 cvs 885: PUT redirect.
886: ----------------------------------------------------------------------*/
887: static ThotBool SafePut_query (char *url)
888: {
1.266 cvs 889: HTList *cur;
890: char *me;
891: ThotBool found;
892: char tmp[MAX_LENGTH];
1.265 cvs 893:
894: /* extract the domain path of the url and normalize it */
895: /* domain = url; */
896: cur = safeput_list;
897: found = FALSE;
898:
1.266 cvs 899: while ((me = (char *) HTList_nextObject (cur)))
900: {
1.273 cvs 901: strcpy (tmp, me);
1.266 cvs 902: if (strstr (url, tmp))
1.361 ! vatton 903: {
! 904: found = TRUE;
! 905: break;
! 906: }
1.328 quint 907: }
1.265 cvs 908:
909: return (found);
910: }
911:
912: /*----------------------------------------------------------------------
1.17 cvs 913: redirection_handler
914: this function is registered to handle permanent and temporary
915: redirections.
916: ----------------------------------------------------------------------*/
1.265 cvs 917: static int redirection_handler (HTRequest *request, HTResponse *response,
1.361 ! vatton 918: void *param, int status)
1.4 cvs 919: {
1.265 cvs 920: HTAnchor *new_anchor = HTResponse_redirection (response);
1.334 gully 921: AHTReqContext *me = (AHTReqContext *)HTRequest_context (request);
1.265 cvs 922: HTMethod method = HTRequest_method (request);
923: char *ref;
924: char *escape_src, *dst;
925: char urlAdr[MAX_LENGTH];
926:
1.361 ! vatton 927: if (!me)
! 928: /* if the redirect doesn't come from Amaya, we call libwww's standard redirect filter */
! 929: return (HTRedirectFilter (request, response, param, status));
1.265 cvs 930:
1.361 ! vatton 931: if (!new_anchor)
! 932: {
! 933: if (PROT_TRACE)
! 934: HTTrace ("Redirection. No destination\n");
! 935: return HT_OK;
! 936: }
! 937:
! 938: /*
! 939: ** Only do redirect on GET, HEAD, and authorized domains for PUT
! 940: */
! 941: if ((me->method == METHOD_PUT && !SafePut_query (me->urlName)) ||
! 942: (me->method != METHOD_PUT && !HTMethod_isSafe (method)))
! 943: {
! 944: /*
! 945: ** If we got a 303 See Other then change the method to GET.
! 946: ** Otherwise ask the user whether we should continue.
! 947: */
! 948: if (status == HT_SEE_OTHER)
! 949: {
! 950: if (PROT_TRACE)
! 951: HTTrace("Redirection. Changing method from %s to GET\n", HTMethod_name(method));
! 952: HTRequest_setMethod(request, METHOD_GET);
! 953: }
! 954: else
! 955: {
! 956: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
! 957: if (prompt)
! 958: {
! 959: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION, NULL, NULL, NULL) != YES)
! 960: {
! 961: /* the user didn't agree on the redirection, so
! 962: we consider it's an abort */
! 963: me->reqStatus = HT_ABORT;
! 964: /* and we return HT_OK so that the terminate_handler
! 965: will be called */
! 966: return HT_OK;
! 967: }
! 968: }
! 969: }
! 970: }
! 971:
! 972: /*
! 973: ** Start new request with the redirect anchor found in the headers.
! 974: ** Note that we reuse the same request object which means that we must
! 975: ** keep this around until the redirected request has terminated. It also
! 976: ** allows us in an easy way to keep track of the number of redirections
! 977: ** so that we can detect endless loops.
! 978: */
! 979: if (HTRequest_doRetry (request))
! 980: {
! 981: /*
! 982: ** Start request with new credentials
! 983: */
! 984: /* only do a redirect using a network protocol understood by Amaya */
! 985: strncpy (urlAdr, new_anchor->parent->address, MAX_LENGTH - 1);
! 986: urlAdr[MAX_LENGTH - 1] = EOS;
! 987: if (me->urlName && !strcmp (me->urlName, urlAdr))
! 988: {
! 989: /* redirect to itself */
! 990: me->reqStatus = HT_ABORT;
! 991: /* and we return HT_OK so that the terminate_handler
! 992: will be called */
! 993: return HT_OK;
! 994: }
! 995: if (IsValidProtocol (urlAdr))
! 996: {
! 997: /* if it's a valid URL, we try to normalize it */
! 998: /* We use the pre-redirection anchor as a base name */
! 999: /* @@ how to obtain this address here? */
! 1000: dst = urlAdr;
! 1001: escape_src = EscapeURL (me->urlName);
! 1002: if (escape_src)
! 1003: {
! 1004: ref = AmayaParseUrl (dst, escape_src, AMAYA_PARSE_ALL);
! 1005: if (me->method != METHOD_PUT)
! 1006: AHTRequest_setRefererHeader (me);
! 1007: TtaFreeMemory (escape_src);
! 1008: }
! 1009: else
! 1010: ref = NULL;
1.265 cvs 1011:
1.361 ! vatton 1012: if (ref)
! 1013: {
! 1014: HTAnchor_setPhysical (HTAnchor_parent (new_anchor), ref);
! 1015: TtaFreeMemory (ref);
! 1016: }
! 1017: else
! 1018: return HT_OK; /* We can't redirect anymore */
! 1019: }
! 1020: else
! 1021: return HT_OK; /* We can't redirect anymore */
1.265 cvs 1022:
1.361 ! vatton 1023: /* update the current file name */
! 1024: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC) ||
! 1025: (me->method == METHOD_PUT))
! 1026: {
! 1027: TtaFreeMemory (me->urlName);
! 1028: me->urlName = TtaStrdup (urlAdr);
! 1029: }
! 1030: else
! 1031: {
! 1032: /* it's a SYNC mode, so we should keep the urlName */
! 1033: strncpy (me->urlName, urlAdr, MAX_LENGTH - 1);
! 1034: me->urlName[MAX_LENGTH - 1] = EOS;
! 1035: }
! 1036: ChopURL (me->status_urlName, me->urlName);
! 1037:
! 1038: /* @@ verify if this is important */
! 1039: /* @@@ new libwww doesn't need this free stream while making
! 1040: a PUT. Is it the case everywhere or just for PUT? */
1.358 cvs 1041: if (me->method != METHOD_PUT &&
1042: me->request->orig_output_stream != NULL)
1043: {
1.361 ! vatton 1044: AHTFWriter_FREE (me->request->orig_output_stream);
! 1045: me->request->orig_output_stream = NULL;
! 1046: if (me->output != stdout)
! 1047: {
! 1048: /* Are we writing to a file? */
1.257 kahan 1049: #ifdef DEBUG_LIBWWW
1.361 ! vatton 1050: fprintf (stderr, "redirection_handler: New URL is %s, closing FILE %p\n", me->urlName, me->output);
1.257 kahan 1051: #endif
1.361 ! vatton 1052: TtaReadClose (me->output);
! 1053: me->output = NULL;
! 1054: }
1.358 cvs 1055: }
1.265 cvs 1056:
1.361 ! vatton 1057: /* tell the user what we're doing */
! 1058: TtaSetStatus (me->docid, 1,
! 1059: TtaGetMessage (AMAYA, AM_RED_FETCHING), me->status_urlName);
! 1060: /*
! 1061: ** launch the request
! 1062: */
! 1063: /* add a link relationship? */
! 1064: /* reset the request status */
! 1065: me->reqStatus = HT_NEW;
! 1066: /* clear the errors */
! 1067: HTError_deleteAll (HTRequest_error (request));
! 1068: HTRequest_setError (request, NULL);
! 1069: /* clear the authentication credentials, as they get regenerated */
! 1070: HTRequest_deleteCredentialsAll (request);
1.297 kirschpi 1071:
1072: #ifdef DAV
1.361 ! vatton 1073: /* remove the old header "If" (WebDAV lock information) */
! 1074: DAVRemoveIfHeader (me);
1.297 kirschpi 1075:
1.361 ! vatton 1076: /* search lock information for the new url */
! 1077: if (me->method == METHOD_POST || me->method == METHOD_PUT)
! 1078: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1079: #endif /* DAV */
1.265 cvs 1080:
1.361 ! vatton 1081: if (me->method == METHOD_POST || me->method == METHOD_PUT)
! 1082: {
! 1083: /* PUT, POST etc. */
! 1084: /* for PUT, we memorize there was a redirection, so that we
! 1085: can clear the original cache entry in the terminate_handler */
! 1086: if (me->method == METHOD_PUT)
! 1087: me->put_redirection = TRUE;
! 1088: status = HTLoadAbsolute (me->urlName, request);
! 1089: }
! 1090: else
! 1091: HTLoadAnchor (new_anchor, request);
! 1092: }
! 1093: else
! 1094: {
! 1095: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT, NULL, 0, "HTRedirectFilter");
! 1096: /* so that we can show the error message */
! 1097: if (me->error_html)
! 1098: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
! 1099: me->reqStatus = HT_ERR;
! 1100: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT), NULL);
! 1101: }
1.265 cvs 1102:
1.361 ! vatton 1103: /*
! 1104: ** By returning HT_ERROR we make sure that this is the last handler to be
! 1105: ** called. We do this as we don't want any other filter to delete the
! 1106: ** request object now when we have just started a new one ourselves
! 1107: */
! 1108: return HT_ERROR;
1.4 cvs 1109: }
1110:
1.151 cvs 1111: #ifdef AMAYA_LOST_UPDATE
1112: /*----------------------------------------------------------------------
1113: precondition_handler
1114: 412 "Precondition failed" handler
1115: ----------------------------------------------------------------------*/
1.265 cvs 1116: static int precondition_handler (HTRequest *request, HTResponse *response,
1.361 ! vatton 1117: void *context, int status)
1.151 cvs 1118: {
1.315 vatton 1119: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.168 cvs 1120: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.315 vatton 1121: ThotBool force_put;
1.151 cvs 1122:
1123: if (!me)
1124: return HT_OK; /* not an Amaya request */
1125:
1.168 cvs 1126: if (prompt)
1.315 vatton 1127: {
1128: if (me->method == METHOD_GET)
1.361 ! vatton 1129: {
! 1130: /* @@@@ IV */
! 1131: (*prompt) (request, HT_A_CONFIRM, status, NULL, NULL, NULL);
! 1132: force_put = NO;
! 1133: }
1.315 vatton 1134: else
1.357 gully 1135: force_put = ((*prompt)(request, HT_A_CONFIRM, HT_MSG_RULES, NULL, NULL, NULL) != 0);
1.315 vatton 1136: }
1.168 cvs 1137: else
1138: force_put = NO;
1139:
1140: if (force_put)
1141: {
1.297 kirschpi 1142: #ifdef DAV
1143: BOOL noIf = NO;
1144:
1145: /* MKP: if the old request has preconditions, *
1146: * then, we supose that these preconditions *
1147: * caused the 412 Precondition Failed status *
1148: * code, otherwise we supose that the cause *
1149: * was an eventual If header. */
1.315 vatton 1150: if (HTRequest_preconditions(me->request) != HT_NO_MATCH)
1.361 ! vatton 1151: noIf = NO;
1.297 kirschpi 1152: else
1.361 ! vatton 1153: noIf = YES;
1.302 kirschpi 1154: #endif /* DAV */
1.297 kirschpi 1155:
1156:
1.168 cvs 1157: /* start a new PUT request without preconditions */
1158: /* @@ do we need to kill the request? */
1159: if (me->output && me->output != stdout)
1.361 ! vatton 1160: {
! 1161: TtaReadClose (me->output);
! 1162: me->output = NULL;
! 1163: }
1.168 cvs 1164: /*
1165: ** reset the Amaya and libwww request status
1166: */
1.176 cvs 1167:
1168: /* start with a new, clean request structure */
1169: HTRequest_delete (me->request);
1170: me->request = HTRequest_new ();
1171: /* clean the associated file structure) */
1172: HTRequest_setOutputStream (me->request, NULL);
1173: /* Initialize the other members of the structure */
1.171 cvs 1174: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1175: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1176: HTRequest_setContext (me->request, me);
1177: HTRequest_setPreemptive (me->request, NO);
1178: /*
1179: ** Make sure that the first request is flushed immediately and not
1180: ** buffered in the output buffer
1181: */
1182: if (me->mode & AMAYA_FLUSH_REQUEST)
1.361 ! vatton 1183: HTRequest_setFlush(me->request, YES);
1.176 cvs 1184:
1.171 cvs 1185: /* turn off preconditions */
1186: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1187: me->reqStatus = HT_NEW;
1.297 kirschpi 1188:
1189:
1190: #ifdef DAV
1.302 kirschpi 1191: /* MKP: add an If header (lock information) only
1192: * if there wasn't preconditions */
1.315 vatton 1193: if (noIf != YES)
1.361 ! vatton 1194: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.297 kirschpi 1195: #endif /* DAV */
1196:
1197:
1.171 cvs 1198: /* make the request */
1.176 cvs 1199: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1.361 ! vatton 1200: me->dest, me->request);
1.168 cvs 1201: /* stop here */
1202: return HT_ERROR;
1203: }
1204: else
1205: {
1206: /* abort the request */
1207: /* @@ should we call StopRequest here? */
1208: me->reqStatus = HT_ABORT;
1209: /* stop here */
1210: return HT_ERROR;
1211: }
1212: }
1.151 cvs 1213:
1.168 cvs 1214: /*----------------------------------------------------------------------
1215: check_handler
1216: Request HEAD checker filter
1217: ----------------------------------------------------------------------*/
1218: static int check_handler (HTRequest * request, HTResponse * response,
1.361 ! vatton 1219: void * param, int status)
1.151 cvs 1220: {
1.168 cvs 1221: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1222: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 1223: ThotBool force_put;
1.168 cvs 1224:
1225: if (!me)
1226: return HT_OK; /* not an Amaya request */
1227:
1228: HTRequest_deleteAfter(me->request, check_handler);
1229: /*
1230: ** If head request showed that the document doesn't exist
1231: ** then just go ahead and PUT it. Otherwise ask for help
1232: */
1233: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
1234: {
1235: /* we'd need to call terminate_handler, to free the resources */
1236: /* abort the request */
1237: /* @@ should we call StopRequest here? */
1238: me->reqStatus = HT_ABORT;
1239: /* stop here */
1240: return HT_ERROR;
1241: }
1242: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
1243: {
1244: /* we'd need to call terminate_handler, to free the resources */
1245: /* abort the request */
1246: /* @@ should we call StopRequest here? */
1247: me->reqStatus = HT_ABORT;
1248: /* stop here */
1249: return HT_ERROR;
1250: }
1251: else if ( (abs(status)/100) != 2)
1252: {
1.176 cvs 1253: /* start with a new, clean request structure */
1254: HTRequest_delete (me->request);
1255: me->request = HTRequest_new ();
1.208 cvs 1256: /* add the default PUT name */
1257: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1258: /* clean the associated file structure) */
1259: HTRequest_setOutputStream (me->request, NULL);
1260: /* Initialize the other members of the structure */
1.171 cvs 1261: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1262: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1263: HTRequest_setContext (me->request, me);
1264: HTRequest_setPreemptive (me->request, NO);
1265: /*
1266: ** Make sure that the first request is flushed immediately and not
1267: ** buffered in the output buffer
1268: */
1269: if (me->mode & AMAYA_FLUSH_REQUEST)
1.361 ! vatton 1270: HTRequest_setFlush(me->request, YES);
1.297 kirschpi 1271:
1272: #ifdef DAV
1.302 kirschpi 1273: /* MKP: try to add an "If" header (lock information)
1274: * Such header will be added only if there is a
1275: * lock information in the local base. */
1.297 kirschpi 1276: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1277: #endif /* DAV */
1.297 kirschpi 1278:
1.176 cvs 1279:
1280: /* turn on the special preconditions, to avoid having this
1.361 ! vatton 1281: ressource appear before we do the PUT */
1.168 cvs 1282: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 1283: me->reqStatus = HT_NEW;
1.168 cvs 1284: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1285: return HT_ERROR; /* stop here */
1.176 cvs 1286: }
1.168 cvs 1287: else
1288: {
1289: if (prompt)
1.357 gully 1290: force_put = ((*prompt)(request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE, NULL, NULL, NULL) != 0);
1.168 cvs 1291: else
1.357 gully 1292: force_put = FALSE;
1.168 cvs 1293:
1294: if (force_put)
1.361 ! vatton 1295: {
! 1296: /* Start a new PUT request without preconditions */
1.176 cvs 1297:
1.361 ! vatton 1298: /* get a new, clean request structure */
! 1299: HTRequest_delete (me->request);
! 1300: me->request = HTRequest_new ();
! 1301: /* add the default PUT name */
! 1302: HTRequest_setDefaultPutName (me->request, me->default_put_name);
! 1303: /* clean the associated file structure) */
! 1304: HTRequest_setOutputStream (me->request, NULL);
! 1305: /* Initialize the other members of the structure */
! 1306: HTRequest_setMethod (me->request, METHOD_GET);
! 1307: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
! 1308: HTRequest_setContext (me->request, me);
! 1309: HTRequest_setPreemptive (me->request, NO);
1.297 kirschpi 1310:
1311: #ifdef DAV
1.361 ! vatton 1312: /* MKP: try to add an "If" header (lock information)
! 1313: * Such header will be added only if there is a
! 1314: * lock information in the local base. */
1.297 kirschpi 1315: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 1316: #endif /* DAV */
1317:
1.297 kirschpi 1318:
1.361 ! vatton 1319: /*
! 1320: ** Make sure that the first request is flushed immediately and not
! 1321: ** buffered in the output buffer
! 1322: */
! 1323: if (me->mode & AMAYA_FLUSH_REQUEST)
! 1324: HTRequest_setFlush(me->request, YES);
! 1325: /* remove the preconditions */
! 1326: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
! 1327: me->reqStatus = HT_NEW;
! 1328: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
! 1329: me->dest, me->request);
! 1330: return HT_ERROR; /* stop here */
! 1331: }
1.168 cvs 1332: else
1.361 ! vatton 1333: {
! 1334: /* we'd need to call terminate_handler, to free the resources */
! 1335: /* abort the request */
! 1336: /* @@ should we call StopRequest here? */
! 1337: me->reqStatus = HT_ABORT;
! 1338: /* stop here */
! 1339: return HT_ERROR;
! 1340: }
1.168 cvs 1341: }
1342: return HT_ERROR;
1.151 cvs 1343: }
1344: #endif /* AMAYA_LOST_UPDATE */
1.324 kahan 1345: /*--------------------------- -------------------------------------------
1.17 cvs 1346: terminate_handler
1347: this function is registered to handle the result of the request
1.5 cvs 1348: ----------------------------------------------------------------------*/
1.265 cvs 1349: static int terminate_handler (HTRequest *request, HTResponse *response,
1.361 ! vatton 1350: void *context, int status)
1.4 cvs 1351: {
1.116 cvs 1352: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.191 cvs 1353: ThotBool error_flag;
1.116 cvs 1354:
1355: if (!me)
1.361 ! vatton 1356: return HT_ERROR; /* not an Amaya request */
1.116 cvs 1357:
1358: if (me->reqStatus == HT_END)
1359: /* we have already processed this request! */
1360: return HT_OK;
1361:
1362: /* if Amaya was killed, treat with this request as if it were
1363: issued by a Stop button event */
1364:
1.361 ! vatton 1365: if (!AmayaIsAlive ())
! 1366: me->reqStatus = HT_ABORT;
1.220 cvs 1367:
1.361 ! vatton 1368: /* trying to protect against this problem... hard to place
! 1369: the detection elsewhere :-/ */
! 1370: /* @@ JK: Is this still needed? */
! 1371: if (IsHTTP09Error (request))
! 1372: status = -1;
! 1373:
! 1374: if (status == HT_LOADED
! 1375: || status == HT_CREATED
! 1376: || status == HT_NO_DATA
! 1377: /* JK: removed it as the kludge doesn't seem useful anymore */
! 1378: /* kludge for work around libwww problem */
! 1379: /* || (status == HT_INTERRUPTED && me->method == METHOD_PUT) */
1.116 cvs 1380: #ifdef AMAYA_WWW_CACHE
1.361 ! vatton 1381: /* what status to use to know we're downloading from a cache? */
! 1382: || status == HT_NOT_MODIFIED
! 1383: || status == HT_PARTIAL_CONTENT
1.116 cvs 1384: #endif /* AMAYA_WWW_CACHE */
1.361 ! vatton 1385: || me->reqStatus == HT_ABORT)
! 1386: error_flag = FALSE;
1.297 kirschpi 1387: #ifdef DAV
1.361 ! vatton 1388: else if (status == HT_LOCKED
! 1389: || status == HT_FAILED_DEPENDENCY
! 1390: || status == HT_MULTI_STATUS)
! 1391: {
! 1392: /* WebDAV return codes - they are handled in
! 1393: * specific filters. We don't need to deal
! 1394: * with them anymore
! 1395: */
! 1396: error_flag = FALSE;
1.302 kirschpi 1397: }
1398: #endif /* DAV */
1.361 ! vatton 1399: else
! 1400: error_flag = TRUE;
! 1401:
! 1402: /* If we did a PUT that was redirected, clean the original
! 1403: cache entry */
! 1404: if (status == 204 && me->method == METHOD_PUT && me->put_redirection)
! 1405: {
! 1406: HTCache * cache;
! 1407: HTParentAnchor * anchor = HTAnchor_parent (me->dest);
! 1408: cache = HTCache_find (anchor, NULL);
! 1409: if (cache)
! 1410: {
! 1411: /* what a problem... we update the cache with the wrong data
! 1412: from the response... after the redirection */
! 1413: HTCache_resetMeta (cache, request, response);
! 1414: }
! 1415: else
! 1416: /* If entry doesn't already exist then create a new entry */
! 1417: HTCache_touch(request, response, HTAnchor_parent (me->dest));
! 1418: }
1.130 cvs 1419:
1.361 ! vatton 1420: /* output any errors from the server */
! 1421:
! 1422: /*
! 1423: ** me->output = output file which will receive an html file
! 1424: ** me->error_html = yes, output HTML errors in the screen
! 1425: ** request->error_stack == if there are any errors, they will be here
! 1426: ** me->error_stream_size If it's != 0 means an error message has already
! 1427: ** been written to the stack
! 1428: */
1.74 cvs 1429:
1.361 ! vatton 1430: /* First, we verify if there are any errors and if they are not
! 1431: ** yet written to the error stack. If no, then let's try to write them
! 1432: ** ourselves
! 1433: */
1.74 cvs 1434:
1435: #ifdef DEBUG_LIBWWW
1.361 ! vatton 1436: fprintf (stderr, "terminate_handler: URL is "
! 1437: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
! 1438: status);
1.69 cvs 1439: #endif
1.74 cvs 1440:
1.361 ! vatton 1441: if (me->output && me->output != stdout)
! 1442: {
! 1443: /* we are writing to a local file */
! 1444: if (me->reqStatus != HT_ABORT)
! 1445: {
! 1446: /* if the request was not aborted and
! 1447: there were some errors and we want to print them */
! 1448:
! 1449: /* JK: 30/04/2004. The 201 reponse from the annotation server
! 1450: is being stored inside the error flag! */
! 1451: if ((status == 201 && me->mode & AMAYA_FILE_POST && me->error_stream)
! 1452: || (error_flag && me->error_html == TRUE))
! 1453: {
! 1454: /* if the transfer was interrupted, the file may not be
! 1455: empty. So, we erase it */
! 1456: fflush (me->output);
! 1457: rewind (me->output);
! 1458:
! 1459: if (me->error_stream)
! 1460: { /* if the stream is non-empty */
! 1461: fprintf (me->output, "%s", me->error_stream);/* output the errors */
! 1462: /* Clear the error context, so that we can deal with
! 1463: this answer as if it were a normal reply */
! 1464: HTError_deleteAll( HTRequest_error (request));
! 1465: HTRequest_setError (request, NULL);
! 1466: error_flag = 0;
! 1467: }
! 1468: } /* if error_stack */
! 1469: }
1.314 kahan 1470:
1.361 ! vatton 1471: /* if != HT_ABORT */
1.85 cvs 1472:
1473: #ifdef DEBUG_LIBWWW
1.361 ! vatton 1474: fprintf (stderr, "terminate_handler: URL is %s, closing "
! 1475: "FILE %p\n", me->urlName, me->output);
1.85 cvs 1476: #endif
1.361 ! vatton 1477: TtaWriteClose (me->output);
! 1478: me->output = NULL;
! 1479: }
! 1480:
! 1481: /* a very special handling so that we can put a message box
! 1482: to tell the user WHAT he has just done... */
! 1483: if (UserAborted_flag && me->method == METHOD_PUT)
! 1484: {
! 1485: HTRequest_addError (request, ERR_FATAL, NO, HTERR_INTERRUPTED,
! 1486: (void *)"Operation aborted by user", 0, NULL);
! 1487: }
! 1488:
! 1489: if (error_flag)
! 1490: me->reqStatus = HT_ERR;
! 1491: else
! 1492: if (me->reqStatus != HT_ABORT)
! 1493: me->reqStatus = HT_END;
! 1494:
! 1495: /* copy the headers in which the application is interested */
! 1496: HTTP_headers_set (request, response, context, status);
! 1497:
! 1498: /* to avoid a hangup while downloading css files */
! 1499: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
! 1500: TtaSetStatus (me->docid, 1,
! 1501: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
! 1502: me->status_urlName);
1.116 cvs 1503:
1504: /* don't remove or Xt will hang up during the PUT */
1.361 ! vatton 1505: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
! 1506: (me->method == METHOD_PUT)))
! 1507: {
! 1508: PrintTerminateStatus (me, status);
! 1509: }
1.114 cvs 1510:
1.361 ! vatton 1511: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1512:
1.361 ! vatton 1513: /* stop here */
! 1514: return HT_ERROR;
1.4 cvs 1515: }
1516:
1.5 cvs 1517: /*----------------------------------------------------------------------
1.17 cvs 1518: AHTLoadTerminate_handler
1.74 cvs 1519: this is an application "AFTER" Callback. It's called by the library
1520: when a request has ended, so that we can setup the correct status.
1.5 cvs 1521: ----------------------------------------------------------------------*/
1.265 cvs 1522: int AHTLoadTerminate_handler (HTRequest *request, HTResponse *response,
1.361 ! vatton 1523: void *param, int status)
1.4 cvs 1524: {
1.116 cvs 1525: /** @@@@ use this with printstatus ?? */
1.361 ! vatton 1526: AHTReqContext *me = (AHTReqContext *)HTRequest_context (request);
! 1527: HTAlertCallback *cbf;
! 1528: AHTDocId_Status *docid_status;
! 1529:
! 1530: switch (status)
! 1531: {
! 1532: case HT_LOADED:
! 1533: if (PROT_TRACE)
! 1534: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
! 1535: me->status_urlName);
! 1536:
! 1537: docid_status = GetDocIdStatus (me->docid,
! 1538: Amaya->docid_status);
! 1539:
! 1540: if (docid_status != NULL && docid_status->counter > 1)
! 1541: TtaSetStatus (me->docid, 1,
! 1542: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
! 1543: me->status_urlName);
! 1544: break;
1.116 cvs 1545:
1.361 ! vatton 1546: case HT_NO_DATA:
! 1547: if (PROT_TRACE)
! 1548: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
! 1549: me->status_urlName);
1.297 kirschpi 1550: #ifdef DAV
1.361 ! vatton 1551: if (me->method==METHOD_UNLOCK)
1.302 kirschpi 1552: {
1.361 ! vatton 1553: /* MKP: set an appropriate status message */
! 1554: TtaSetStatus (me->docid, 1,
! 1555: TtaGetMessage (AMAYA, AM_UNLOCK_SUCCEED),
! 1556: NULL);
1.302 kirschpi 1557: }
1.361 ! vatton 1558: else
1.302 kirschpi 1559: #endif /* DAV */
1.361 ! vatton 1560: TtaSetStatus (me->docid, 1,
! 1561: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
! 1562: me->status_urlName);
! 1563: break;
1.116 cvs 1564:
1.361 ! vatton 1565: case HT_INTERRUPTED:
! 1566: if (PROT_TRACE)
! 1567: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
! 1568: me->status_urlName);
! 1569: TtaSetStatus (me->docid, 1,
! 1570: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
! 1571: NULL);
! 1572: break;
! 1573:
! 1574: case HT_RETRY:
! 1575: if (PROT_TRACE)
! 1576: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
! 1577: HTResponse_retryTime (response));
! 1578: TtaSetStatus (me->docid, 1,
! 1579: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
! 1580: me->status_urlName);
! 1581: break;
! 1582:
! 1583: case HT_NOT_MODIFIED:
! 1584: if (PROT_TRACE)
! 1585: HTTrace ("Load End.... NOT MODIFIED (%s)",
! 1586: me->status_urlName ? me->status_urlName :" <UNKNOWN>");
! 1587: break;
1.247 kahan 1588:
1.361 ! vatton 1589: case HT_ERROR:
! 1590: cbf = HTAlert_find (HT_A_MESSAGE);
! 1591: if (cbf)
! 1592: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
! 1593: HTRequest_error (request), NULL);
! 1594: if (PROT_TRACE)
! 1595: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
! 1596: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
! 1597: TtaSetStatus (me->docid, 1,
! 1598: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
! 1599: me->status_urlName ? me->status_urlName : (char *)"<UNKNOWN>");
! 1600: break;
! 1601:
! 1602: case HTERR_TIMEOUT:
! 1603: cbf = HTAlert_find (HT_A_MESSAGE);
! 1604: if (cbf)
! 1605: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
! 1606: HTRequest_error (request), NULL);
! 1607: if (PROT_TRACE)
! 1608: HTTrace ("Load End.... REQUEST TIMEOUT: Can't access `%s\'\n",
! 1609: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
! 1610: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
! 1611: me->status_urlName ? me->status_urlName : (char *)"<UNKNOWN>");
! 1612: break;
! 1613:
! 1614: default:
! 1615: if (PROT_TRACE)
! 1616: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
! 1617: break;
! 1618: }
1.116 cvs 1619:
1.361 ! vatton 1620: return HT_OK;
1.116 cvs 1621: }
1.7 cvs 1622:
1.248 kahan 1623: /*----------------------------------------------------------------------
1624: LineTrace
1625: Makes a file copy of libwww's traces
1626: ----------------------------------------------------------------------*/
1.116 cvs 1627: static int LineTrace (const char * fmt, va_list pArgs)
1628: {
1.248 kahan 1629: vfprintf (trace_fp, fmt, pArgs);
1630: return (fflush (trace_fp));
1.4 cvs 1631: }
1632:
1.27 cvs 1633: /*----------------------------------------------------------------------
1634: AHTAcceptTypesInit
1.74 cvs 1635: This function prepares the Accept header used by Amaya during
1636: the HTTP content negotiation phase
1.27 cvs 1637: ----------------------------------------------------------------------*/
1638: static void AHTAcceptTypesInit (HTList *c)
1639: {
1.361 ! vatton 1640: if (c == (HTList *) NULL)
! 1641: return;
1.27 cvs 1642:
1.361 ! vatton 1643: /* define here all the mime types that Amaya can accept */
1.27 cvs 1644:
1.361 ! vatton 1645: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
! 1646: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
! 1647: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
! 1648: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
! 1649: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
! 1650:
! 1651: /* Define here the equivalences between MIME types and file extensions for
! 1652: the types that Amaya can display */
! 1653:
! 1654: /* Initialize suffix bindings for local files */
! 1655: HTBind_init();
! 1656:
! 1657: /* Register the default set of file suffix bindings */
! 1658: HTFileInit ();
! 1659:
! 1660: /* Register additional bindings */
! 1661: HTBind_add("htm", "text/html", NULL, "8bit", NULL, 1.0);
! 1662: HTBind_add("tgz", "application/gnutar", NULL, "binary", NULL, 1.0);
! 1663: HTBind_add("mml", AM_MATHML_MIME_TYPE, NULL, "8bit", NULL, 1.0);
! 1664: HTBind_add("svg", AM_SVG_MIME_TYPE, NULL, "8bit", NULL, 1.0);
! 1665: HTBind_add("xsl", "text/xml", NULL, "8bit", NULL, 1.0);
! 1666: /* Don't do any case distinction */
! 1667: HTBind_caseSensitive (FALSE);
1.27 cvs 1668: }
1.4 cvs 1669:
1.5 cvs 1670: /*----------------------------------------------------------------------
1.193 cvs 1671: AHTAcceptLanguagesInit
1672: This function prepares the Accept header used by Amaya during
1673: the HTTP content negotiation phase
1674: ----------------------------------------------------------------------*/
1.196 cvs 1675: static void AHTAcceptLanguagesInit (HTList *c)
1.193 cvs 1676: {
1.265 cvs 1677: char *ptr;
1678: char *lang_list;
1.223 cvs 1679: char s[3];
1.196 cvs 1680: int count, lg;
1681: double quality;
1682: ThotBool still;
1.193 cvs 1683:
1684: if (c == (HTList *) NULL)
1.265 cvs 1685: return;
1.193 cvs 1686:
1.203 cvs 1687: lang_list = TtaGetEnvString ("ACCEPT_LANGUAGES");
1.197 cvs 1688: s[2] = EOS;
1.272 cvs 1689: if (lang_list && *lang_list != EOS)
1.193 cvs 1690: {
1691: /* add the default language first */
1692: HTLanguage_add (c, "*", -1.0);
1693: /* how many languages do we have? */
1.196 cvs 1694: ptr = lang_list;
1695: count = 0;
1.272 cvs 1696: while (*ptr != EOS)
1.361 ! vatton 1697: {
! 1698: while (*ptr != EOS &&
! 1699: (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
! 1700: /* skip the whole separator */
! 1701: ptr++;
! 1702: lg = 0;
! 1703: while ((*ptr >= 'A' &&
! 1704: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-')
! 1705: {
! 1706: /* it's a new language */
! 1707: ptr++;
! 1708: lg++;
! 1709: }
! 1710: if (lg >= 2)
! 1711: count++;
! 1712: if (*ptr != EOS)
! 1713: ptr++;
! 1714: }
1.193 cvs 1715:
1.196 cvs 1716: if (count > 0)
1.361 ! vatton 1717: quality = 1.1 - (double) count/10.0;
1.193 cvs 1718: else
1.361 ! vatton 1719: quality = 1.0;
1.193 cvs 1720:
1.265 cvs 1721: /* Read the languages from the registry, then inject them one, by one.
1.361 ! vatton 1722: The first one is the one with the highest priority.
! 1723: The libwww ask for the lowest priority first.
1.196 cvs 1724: */
1725: ptr--;
1726: still = TRUE;
1.265 cvs 1727: while (count)
1.361 ! vatton 1728: {
! 1729: while (still && (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
! 1730: /* skip the whole separator */
! 1731: if (ptr > lang_list)
! 1732: ptr--;
! 1733: else
! 1734: still = FALSE;
! 1735: lg = 0;
! 1736: while (still &&
! 1737: ((*ptr >= 'A' &&
! 1738: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-'))
! 1739: {
! 1740: /* it's a new language */
! 1741: if (ptr > lang_list)
! 1742: ptr--;
! 1743: else
! 1744: still = FALSE;
! 1745: lg++;
! 1746: }
! 1747: if (lg >= 2)
! 1748: {
! 1749: if (still)
! 1750: strncpy (s, &ptr[1], 2);
! 1751: else
! 1752: strncpy (s, lang_list, 2);
! 1753: count--;
! 1754: HTLanguage_add (c, s, quality);
! 1755: quality += 0.1;
! 1756: }
! 1757: ptr--;
! 1758: }
1.265 cvs 1759: }
1.193 cvs 1760: }
1761:
1762: /*----------------------------------------------------------------------
1.17 cvs 1763: AHTConverterInit
1764: Bindings between a source media type and a destination media type
1765: (conversion).
1.5 cvs 1766: ----------------------------------------------------------------------*/
1.15 cvs 1767: static void AHTConverterInit (HTList *c)
1.4 cvs 1768: {
1.361 ! vatton 1769: /* Handler for custom http error messages */
! 1770: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
! 1771:
! 1772: /*
! 1773: ** These are converters that converts to something other than www/present,
! 1774: ** that is not directly outputting someting to the user on the screen
! 1775: */
! 1776:
! 1777: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
! 1778: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
! 1779: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader, 1.0, 0.0, 0.0);
! 1780: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue, 1.0, 0.0, 0.0);
! 1781: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial, 1.0, 0.0, 0.0);
! 1782: HTConversion_add (c, "multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
! 1783: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
! 1784:
! 1785: /*
! 1786: ** The following conversions are converting ASCII output from various
! 1787: ** protocols to HTML objects.
! 1788: */
! 1789: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
1.4 cvs 1790:
1.361 ! vatton 1791: /*
! 1792: ** We also register a special content type guess stream that can figure out
! 1793: ** the content type by reading the first bytes of the stream
! 1794: */
! 1795: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
1.4 cvs 1796:
1.116 cvs 1797: #ifdef AMAYA_WWW_CACHE
1.361 ! vatton 1798: /*
! 1799: ** Register a persistent cache stream which can save an object to local
! 1800: ** file
! 1801: */
! 1802: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter, 1.0, 0.0, 0.0);
! 1803: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend, 1.0, 0.0, 0.0);
1.306 cheyroul 1804: #endif /*AMAYA_WWW_CACHE*/
1.4 cvs 1805:
1.361 ! vatton 1806: /*
! 1807: ** This dumps all other formats to local disk without any further
! 1808: ** action taken
! 1809: */
! 1810: HTConversion_add (c, "*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
1.4 cvs 1811: }
1812:
1.27 cvs 1813:
1.15 cvs 1814: /*----------------------------------------------------------------------
1.17 cvs 1815: AHTProtocolInit
1816: Registers all amaya supported protocols.
1.15 cvs 1817: ----------------------------------------------------------------------*/
1.4 cvs 1818: static void AHTProtocolInit (void)
1819: {
1.265 cvs 1820: char *strptr;
1.4 cvs 1821:
1.116 cvs 1822: /*
1823: NB. Preemptive == YES means Blocking requests
1824: Non-preemptive == NO means Non-blocking requests
1.361 ! vatton 1825: */
1.116 cvs 1826: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1827: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1.361 ! vatton 1828: HTBufferWriter_new);
1.116 cvs 1829: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.341 cvs 1830: #ifdef _WINDOWS
1831: /* TODO: verifier que le param YES est adapte pour WX */
1.136 cvs 1832: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1.341 cvs 1833: #endif /* _WINDOWS */
1.352 gully 1834: #if defined(_UNIX)
1.116 cvs 1835: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.352 gully 1836: #endif /* #if defined(_UNIX) */
1.331 gully 1837:
1.116 cvs 1838: #ifdef AMAYA_WWW_CACHE
1.361 ! vatton 1839: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1.116 cvs 1840: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1841: #if 0 /* experimental code */
1.245 kahan 1842: #endif
1.361 ! vatton 1843: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.245 kahan 1844:
1.361 ! vatton 1845: /* initialize pipelining */
1.223 cvs 1846: strptr = TtaGetEnvString ("ENABLE_PIPELINING");
1.265 cvs 1847: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.116 cvs 1848: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1849: }
1850:
1.15 cvs 1851: /*----------------------------------------------------------------------
1.17 cvs 1852: AHTNetInit
1853: Reegisters "before" and "after" request filters.
1.15 cvs 1854: ----------------------------------------------------------------------*/
1.4 cvs 1855: static void AHTNetInit (void)
1856: {
1857:
1.361 ! vatton 1858: /* Register BEFORE filters
! 1859: ** The BEFORE filters handle proxies, caches, rule files etc.
! 1860: ** The filters are called in the order by which the are registered
! 1861: ** Not done automaticly - may be done by application!
! 1862: */
1.4 cvs 1863:
1.116 cvs 1864: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1865: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1866: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1867:
1.361 ! vatton 1868: /* register AFTER filters
! 1869: ** The AFTER filters handle error messages, logging, redirection,
! 1870: ** authentication etc.
! 1871: ** The filters are called in the order by which the are registered
! 1872: ** Not done automaticly - may be done by application!
! 1873: */
1.4 cvs 1874:
1.223 cvs 1875: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1876: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1877: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1878: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND, HT_FILTER_MIDDLE);
1879: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER, HT_FILTER_MIDDLE);
1880: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1881: HTNet_addAfter (HTAuthInfoFilter, "http://*", NULL, HT_ALL, HT_FILTER_MIDDLE);
1882: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.151 cvs 1883: #ifdef AMAYA_LOST_UPDATE
1.223 cvs 1884: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED, HT_FILTER_MIDDLE);
1.151 cvs 1885: #endif /* AMAYA_LOST_UPDATE */
1.331 gully 1886:
1.344 vatton 1887: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1888: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1889: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.331 gully 1890:
1.344 vatton 1891: /**** for later ?? ****/
1892: /* HTNet_addAfter(HTInfoFilter,NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.245 kahan 1893: /* @@ JK: Filters for doing ftp authentication */
1894: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1895: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1.361 ! vatton 1896: /* handles all errors */
1.116 cvs 1897: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1898: }
1899:
1.15 cvs 1900: /*----------------------------------------------------------------------
1.17 cvs 1901: AHTAlertInit
1902: Register alert messages and their callbacks.
1.15 cvs 1903: ----------------------------------------------------------------------*/
1904: static void AHTAlertInit (void)
1905: {
1.361 ! vatton 1906: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.331 gully 1907:
1.352 gully 1908: #ifdef _WINDOWS
1.361 ! vatton 1909: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.352 gully 1910: #endif /* _WINDOWS */
1.331 gully 1911:
1.361 ! vatton 1912: HTAlert_add (AHTError_print, HT_A_MESSAGE);
! 1913: HTError_setShow ( (HTErrorShow)(~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)) ); /* process all messages except debug ones*/
! 1914: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
! 1915: HTAlert_add (AHTPrompt, HT_A_PROMPT);
! 1916: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1917: }
1918:
1.118 cvs 1919: #ifdef AMAYA_WWW_CACHE
1920: /*----------------------------------------------------------------------
1.128 cvs 1921: RecCleanCache
1.118 cvs 1922: Clears an existing cache directory
1923: ----------------------------------------------------------------------*/
1.265 cvs 1924: static void RecCleanCache (char *dirname)
1925: {
1.337 cvs 1926: #ifdef _WINGUI
1.223 cvs 1927: HANDLE hFindFile;
1928: ThotBool status;
1.128 cvs 1929: WIN32_FIND_DATA ffd;
1.290 vatton 1930: char t_dir [MAX_LENGTH];
1931: char *ptr;
1.128 cvs 1932:
1.130 cvs 1933: /* create a t_dir name to start searching for files */
1.265 cvs 1934: if ((strlen (dirname) + 10) > MAX_LENGTH)
1.128 cvs 1935: /* ERROR: directory name is too big */
1936: return;
1937:
1.265 cvs 1938: strcpy (t_dir, dirname);
1.130 cvs 1939: /* save the end of the dirname. We'll use it to make
1940: a complete pathname when erasing files */
1.265 cvs 1941: ptr = &t_dir[strlen (t_dir)];
1942: strcat (t_dir, "*");
1.128 cvs 1943:
1.130 cvs 1944: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1945:
1946: if (hFindFile == INVALID_HANDLE_VALUE)
1947: /* nothing to erase? */
1948: return;
1949:
1950: status = TRUE;
1.130 cvs 1951: while (status)
1952: {
1953: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.361 ! vatton 1954: {
! 1955: /* it's a directory, erase it recursively */
! 1956: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
! 1957: {
! 1958: strcpy (ptr, ffd.cFileName);
! 1959: strcat (ptr, DIR_STR);
! 1960: RecCleanCache (t_dir);
! 1961: rmdir (t_dir);
! 1962: }
! 1963: }
! 1964: else
! 1965: {
! 1966: /* it's a file, erase it */
! 1967: strcpy (ptr, ffd.cFileName);
! 1968: TtaFileUnlink (t_dir);
! 1969: }
1.130 cvs 1970: status = FindNextFile (hFindFile, &ffd);
1971: }
1.128 cvs 1972: FindClose (hFindFile);
1.337 cvs 1973: #endif /* _WINGUI */
1.341 cvs 1974:
1975: #if defined(_WX)
1976: char buftmp[256];
1.342 gully 1977:
1978: #ifdef _WINDOWS
1979: wxString separator = _T("\\");
1980: #else /* _WINDOWS */
1981: wxString separator = _T("/");
1982: #endif /* _WINDOWS */
1983:
1.345 gully 1984: wxString wx_dir_name = wxString(dirname, *wxConvCurrent);
1.342 gully 1985:
1986: /* try to delete the current directory */
1.341 cvs 1987: wxRmdir(wx_dir_name);
1.331 gully 1988:
1.341 cvs 1989: if (!wxDirExists(wx_dir_name))
1.342 gully 1990: return;
1991:
1.341 cvs 1992: /* try to delete the files & directorys inside */
1993: {
1.342 gully 1994: wxDir wx_dir(wx_dir_name);
1995: wxString name;
1996: ThotBool cont = wx_dir.GetFirst(&name);
1997: while (cont)
1998: {
1.361 ! vatton 1999: name = wx_dir.GetName()+separator+name;
! 2000: if (wxDirExists(name))
! 2001: {
! 2002: name = name+separator;
! 2003: /* it's a sub-directory */
! 2004: sprintf(buftmp, "%s", (const char *)name.mb_str(*wxConvCurrent) );
! 2005: /* delete it recursively */
! 2006: RecCleanCache(buftmp);
! 2007: }
! 2008: else
! 2009: {
! 2010: /* it's a file */
! 2011: wxRemoveFile(name);
! 2012: }
1.342 gully 2013:
1.361 ! vatton 2014: cont = wx_dir.GetNext(&name);
1.342 gully 2015: }
1.341 cvs 2016: }
2017: /* try to delete the current directory */
2018: wxRmdir(wx_dir_name);
2019: #endif /* _WX */
2020:
1.344 vatton 2021: #if defined(_GTK) || defined(_NOGUI)
1.118 cvs 2022: DIR *dp;
2023: struct stat st;
2024: #ifdef HAVE_DIRENT_H
2025: struct dirent *d;
1.344 vatton 2026: #else /* HAVE_DIRENT_H */
1.118 cvs 2027: struct direct *d;
2028: #endif /* HAVE_DIRENT_H */
1.128 cvs 2029: char filename[BUFSIZ+1];
1.118 cvs 2030:
2031: if ((dp = opendir (dirname)) == NULL)
2032: {
2033: /* @@@ we couldn't open the directory ... we need some msg */
2034: perror (dirname);
1.176 cvs 2035: return;
1.118 cvs 2036: }
2037:
2038: while ((d = readdir (dp)) != NULL)
2039: {
2040: /* skip the UNIX . and .. links */
2041: if (!strcmp (d->d_name, "..")
1.361 ! vatton 2042: || !strcmp (d->d_name, "."))
! 2043: continue;
1.118 cvs 2044:
1.188 cvs 2045: sprintf (filename, "%s%c%s", dirname, DIR_SEP, d->d_name);
1.118 cvs 2046: if (lstat (filename, &st) < 0 )
1.361 ! vatton 2047: {
! 2048: /* @@2 need some error message */
! 2049: perror (filename);
! 2050: continue;
! 2051: }
1.118 cvs 2052:
2053: switch (st.st_mode & S_IFMT)
1.361 ! vatton 2054: {
! 2055: case S_IFDIR:
! 2056: /* if we find a directory, we erase it, recursively */
! 2057: strcat (filename, DIR_STR);
! 2058: RecCleanCache (filename);
! 2059: rmdir (filename);
! 2060: break;
! 2061: case S_IFLNK:
! 2062: /* skip any links we find */
! 2063: continue;
! 2064: break;
! 2065: default:
! 2066: /* erase the filename */
! 2067: TtaFileUnlink (filename);
! 2068: break;
! 2069: }
1.118 cvs 2070: }
2071: closedir (dp);
1.344 vatton 2072: #endif /* #if defined(_GTK) || defined(_NOGUI) */
1.118 cvs 2073: }
2074: #endif /* AMAYA_WWW_CACHE */
2075:
1.116 cvs 2076: /*----------------------------------------------------------------------
1.265 cvs 2077: libwww_CleanCache
2078: frontend to the recursive cache cleaning function
2079: ----------------------------------------------------------------------*/
2080: void libwww_CleanCache (void)
2081: {
2082: #ifdef AMAYA_WWW_CACHE
2083: char * real_dir;
2084: char* cache_dir;
2085: char* tmp;
2086: int cache_size;
2087: int cache_expire;
2088: int cache_disconnect;
2089: ThotBool error;
2090: char * ptr;
2091:
2092: if (!HTCacheMode_enabled ())
2093: /* don't do anything if we're not using a cache */
2094: return;
2095: /* temporarily close down the cache, purge it, then restart */
2096: tmp = HTCacheMode_getRoot ();
2097: /* don't do anything if we don't have a valid cache dir */
2098: if (!tmp || *tmp == EOS)
2099: return;
2100: cache_dir = TtaStrdup (tmp);
2101: HT_FREE (tmp);
2102: cache_size = HTCacheMode_maxSize ();
2103: cache_expire = HTCacheMode_expires ();
2104: cache_disconnect = HTCacheMode_disconnected ();
2105:
2106: /* get something we can work on :) */
2107: tmp = HTWWWToLocal (cache_dir, "file:", NULL);
1.334 gully 2108: real_dir = (char *)TtaGetMemory (strlen (tmp) + 20);
1.273 cvs 2109: strcpy (real_dir, tmp);
1.265 cvs 2110: HT_FREE (tmp);
2111:
2112: /* safeguard... abort the operation if cache_dir doesn't end with
2113: CACHE_DIR_NAME */
2114: error = TRUE;
2115: ptr = strstr (real_dir, CACHE_DIR_NAME);
1.361 ! vatton 2116: if (ptr && *ptr && !strcasecmp (ptr, CACHE_DIR_NAME))
! 2117: error = FALSE;
1.265 cvs 2118: if (error)
2119: return;
2120:
2121: /* remove the concurrent cache lock */
2122: #ifdef DEBUG_LIBWWW
2123: fprintf (stderr, "Clearing the cache lock\n");
2124: #endif /* DEBUG_LIBWWW */
2125: clear_cachelock ();
2126: HTCacheTerminate ();
2127: HTCacheMode_setEnabled (FALSE);
2128:
2129: RecCleanCache (real_dir);
2130:
1.334 gully 2131: HTCacheMode_setExpires ((HTExpiresMode)cache_expire);
2132: HTCacheMode_setDisconnected ((HTDisconnectedMode)cache_disconnect);
1.265 cvs 2133: HTCacheInit (cache_dir, cache_size);
2134: /* set a new concurrent cache lock */
2135: strcat (real_dir, ".lock");
2136: if (set_cachelock (real_dir) == -1)
2137: /* couldn't open the .lock file, so, we close the cache to
2138: be in the safe side */
2139: {
2140: #ifdef DEBUG_LIBWWW
2141: fprintf (stderr, "couldnt set the cache lock\n");
2142: #endif /* DEBUG_LIBWWW */
2143: HTCacheTerminate ();
2144: HTCacheMode_setEnabled (FALSE);
2145: }
2146: #ifdef DEBUG_LIBWWW
2147: fprintf (stderr, "set a cache lock\n");
2148: #endif /* DEBUG_LIBWWW */
2149: TtaFreeMemory (real_dir);
2150: TtaFreeMemory (cache_dir);
2151: #endif /* AMAYA_WWW_CACHE */
2152: }
2153:
2154: /*----------------------------------------------------------------------
1.116 cvs 2155: CacheInit
2156: Reads the cache settings from the thot.ini file.
2157: ----------------------------------------------------------------------*/
2158: static void CacheInit (void)
2159: {
2160: #ifndef AMAYA_WWW_CACHE
1.361 ! vatton 2161: HTCacheMode_setEnabled (NO);
1.116 cvs 2162:
2163: #else /* AMAYA_WWW_CACHE */
1.265 cvs 2164: char *strptr;
2165: char *real_dir = NULL;
2166: char *cache_lockfile;
2167: char *cache_dir = NULL;
1.223 cvs 2168: int cache_size;
2169: int cache_entry_size;
2170: ThotBool cache_enabled;
2171: ThotBool cache_locked;
2172: ThotBool tmp_bool;
1.130 cvs 2173:
1.361 ! vatton 2174: int i;
1.185 cvs 2175:
1.116 cvs 2176: /* activate cache? */
1.203 cvs 2177: strptr = TtaGetEnvString ("ENABLE_CACHE");
1.265 cvs 2178: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.130 cvs 2179: cache_enabled = NO;
1.116 cvs 2180: else
1.130 cvs 2181: cache_enabled = YES;
1.116 cvs 2182:
1.151 cvs 2183: /* cache protected documents? */
1.203 cvs 2184: strptr = TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1.265 cvs 2185: if (strptr && *strptr && !strcasecmp (strptr, "yes"))
1.151 cvs 2186: HTCacheMode_setProtected (YES);
2187: else
2188: HTCacheMode_setProtected (NO);
2189:
1.116 cvs 2190: /* get the cache dir (or use a default one) */
1.354 gully 2191: #ifdef _WX
2192: strptr = TtaGetRealFileName(TtaGetEnvString ("CACHE_DIR"));
2193: #else /* _WX */
1.203 cvs 2194: strptr = TtaGetEnvString ("CACHE_DIR");
1.354 gully 2195: #endif /* _WX */
1.116 cvs 2196: if (strptr && *strptr)
2197: {
1.334 gully 2198: real_dir = (char *)TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 20);
1.265 cvs 2199: strcpy (real_dir, strptr);
1.272 cvs 2200: if (*(real_dir + strlen (real_dir) - 1) != DIR_SEP)
1.361 ! vatton 2201: strcat (real_dir, DIR_STR);
1.116 cvs 2202: }
2203: else
2204: {
1.334 gully 2205: real_dir = (char *)TtaGetMemory (strlen (TempFileDirectory) + strlen (CACHE_DIR_NAME) + 20);
1.272 cvs 2206: sprintf (real_dir, "%s%s", TempFileDirectory, CACHE_DIR_NAME);
1.185 cvs 2207: }
1.354 gully 2208: #ifdef _WX
2209: TtaFreeMemory(strptr);
2210: #endif /* _WX */
1.185 cvs 2211:
2212: /* compatiblity with previous versions of Amaya: does real_dir
2213: include CACHE_DIR_NAME? If not, add it */
1.265 cvs 2214: strptr = strstr (real_dir, CACHE_DIR_NAME);
1.185 cvs 2215: if (!strptr)
1.265 cvs 2216: strcat (real_dir, CACHE_DIR_NAME);
1.185 cvs 2217: else
2218: {
1.265 cvs 2219: i = strlen (CACHE_DIR_NAME);
1.361 ! vatton 2220: if (strptr[i] != EOS)
! 2221: strcat (real_dir, CACHE_DIR_NAME);
1.116 cvs 2222: }
1.185 cvs 2223:
1.211 cvs 2224: /* convert the local cache dir into a file URL, as expected by
2225: libwww */
1.265 cvs 2226: cache_dir = HTLocalToWWW (real_dir, "file:");
1.116 cvs 2227: /* get the cache size (or use a default one) */
1.203 cvs 2228: strptr = TtaGetEnvString ("CACHE_SIZE");
1.116 cvs 2229: if (strptr && *strptr)
1.288 vatton 2230: cache_size = atoi (strptr);
1.116 cvs 2231: else
2232: cache_size = DEFAULT_CACHE_SIZE;
1.176 cvs 2233: /* get the max cached file size (or use a default one) */
1.223 cvs 2234: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1.176 cvs 2235: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1.130 cvs 2236: if (cache_enabled)
1.116 cvs 2237: {
2238: /* how to remove the lock? force remove it? */
1.334 gully 2239: cache_lockfile = (char *)TtaGetMemory (strlen (real_dir) + 20);
1.265 cvs 2240: strcpy (cache_lockfile, real_dir);
2241: strcat (cache_lockfile, ".lock");
1.130 cvs 2242: cache_locked = FALSE;
1.357 gully 2243: if ( TtaFileExist(cache_lockfile) &&
2244: !(cache_locked = (test_cachelock(cache_lockfile) != 0))
1.361 ! vatton 2245: )
! 2246: {
1.130 cvs 2247: #ifdef DEBUG_LIBWWW
1.361 ! vatton 2248: fprintf (stderr, "found a stale cache, removing it\n");
1.130 cvs 2249: #endif /* DEBUG_LIBWWW */
1.361 ! vatton 2250: /* remove the lock and clean the cache (the clean cache
! 2251: will remove all, making the following call unnecessary */
! 2252: /* little trick to win some memory */
! 2253: strptr = strrchr (cache_lockfile, '.');
! 2254: *strptr = EOS;
! 2255: RecCleanCache (cache_lockfile);
! 2256: *strptr = '.';
! 2257: }
1.116 cvs 2258:
1.130 cvs 2259: if (!cache_locked)
1.361 ! vatton 2260: {
! 2261: /* initialize the cache if there's no other amaya
! 2262: instance running */
! 2263: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
! 2264: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool) && tmp_bool)
! 2265: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
! 2266: else
! 2267: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
! 2268: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
! 2269: if (tmp_bool)
! 2270: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
! 2271: else
! 2272: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
! 2273: if (HTCacheInit (cache_dir, cache_size))
! 2274: {
! 2275: if (set_cachelock (cache_lockfile) == -1)
! 2276: /* couldn't open the .lock file, so, we close the cache to
! 2277: be in the safe side */
! 2278: {
! 2279: HTCacheTerminate ();
! 2280: HTCacheMode_setEnabled (FALSE);
1.188 cvs 2281: #ifdef DEBUG_LIBWWW
1.361 ! vatton 2282: fprintf (stderr, "couldnt set the cache lock\n");
1.188 cvs 2283: #endif /* DEBUG_LIBWWW */
1.361 ! vatton 2284: }
1.130 cvs 2285: #ifdef DEBUG_LIBWWW
1.361 ! vatton 2286: else
! 2287: fprintf (stderr, "created the cache lock\n");
1.130 cvs 2288: #endif /* DEBUG_LIBWWW */
1.361 ! vatton 2289: }
! 2290: else
! 2291: {
1.130 cvs 2292: #ifdef DEBUG_LIBWWW
1.361 ! vatton 2293: fprintf (stderr, "couldn't create the cache\n");
1.188 cvs 2294: #endif /* DEBUG_LIBWWW */
1.361 ! vatton 2295: HTCacheTerminate ();
! 2296: }
! 2297: }
1.130 cvs 2298: else
1.361 ! vatton 2299: {
! 2300: HTCacheMode_setEnabled (FALSE);
1.130 cvs 2301: #ifdef DEBUG_LIBWWW
1.361 ! vatton 2302: fprintf (stderr, "lock detected, starting libwww without a cache/n");
1.130 cvs 2303: #endif /* DEBUG_LIBWWW */
1.361 ! vatton 2304: }
1.130 cvs 2305: TtaFreeMemory (cache_lockfile);
1.116 cvs 2306: }
2307: else
1.185 cvs 2308: {
2309: HTCacheMode_setEnabled (FALSE);
2310: }
1.116 cvs 2311: if (cache_dir)
1.211 cvs 2312: HT_FREE (cache_dir);
1.189 cvs 2313: if (real_dir)
2314: TtaFreeMemory (real_dir);
1.185 cvs 2315: /* warn the user if the cache isn't active */
2316: if (cache_enabled && !HTCacheMode_enabled ())
1.291 kahan 2317: {
2318: ThotBool warn_user;
2319:
2320: TtaGetEnvBoolean ("WARN_NO_CACHE", &warn_user);
2321: if (warn_user)
1.361 ! vatton 2322: InitInfo ("Cache", TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE));
1.291 kahan 2323: }
1.116 cvs 2324: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 2325: }
2326:
2327: /*----------------------------------------------------------------------
1.97 cvs 2328: ProxyInit
2329: Reads any proxies settings which may be declared as environmental
2330: variables or in the thot.ini file. The former overrides the latter.
2331: ----------------------------------------------------------------------*/
2332: static void ProxyInit (void)
2333: {
1.265 cvs 2334: char *strptr;
2335: char *name;
2336: char *tmp = NULL;
2337: char *strptrA;
1.223 cvs 2338: ThotBool proxy_is_onlyproxy;
1.97 cvs 2339:
2340: /* get the proxy settings from the thot.ini file */
1.203 cvs 2341: strptr = TtaGetEnvString ("HTTP_PROXY");
1.228 cvs 2342: if (strptr && *strptr)
2343: {
1.265 cvs 2344: tmp = (char *) TtaGetMemory (strlen (strptr) + 1);
2345: strcpy (tmp, strptr);
1.223 cvs 2346:
1.228 cvs 2347: /* does the proxy env string has an "http://" prefix? */
1.265 cvs 2348: if (!strncasecmp (strptr, "http://", 7))
1.223 cvs 2349: HTProxy_add ("http", tmp);
1.228 cvs 2350: else
1.361 ! vatton 2351: {
! 2352: strptrA = (char *) TtaGetMemory (strlen (strptr) + 9);
! 2353: strcpy (strptrA, "http://");
! 2354: strcat (strptrA, tmp);
! 2355: HTProxy_add ("http", strptrA);
! 2356: TtaFreeMemory (strptrA);
! 2357: }
1.228 cvs 2358: TtaFreeMemory (tmp);
2359: }
1.216 cvs 2360:
1.97 cvs 2361: /* get the no_proxy settings from the thot.ini file */
1.212 cvs 2362: strptr = TtaGetEnvString ("PROXYDOMAIN");
1.228 cvs 2363: if (strptr && *strptr)
2364: {
1.265 cvs 2365: strptrA = (char *) TtaGetMemory (strlen (strptr) + 1);
2366: tmp = strptrA;
2367: strcpy (tmp, strptr);
1.228 cvs 2368: /* as HTNextField changes the ptr we pass as an argument, we'll
1.361 ! vatton 2369: work with another variable, so that we can free the tmp
! 2370: block later on */
1.228 cvs 2371: while ((name = HTNextField (&tmp)) != NULL)
1.361 ! vatton 2372: {
! 2373: char* portstr = strchr (name, ':');
! 2374: unsigned port=0;
! 2375: if (portstr)
! 2376: {
! 2377: *portstr++ = EOS;
! 2378: if (*portstr)
! 2379: port = (unsigned) atoi (portstr);
! 2380: }
! 2381: /* Register it for all access methods */
! 2382: HTNoProxy_add (name, NULL, port);
! 2383: }
1.228 cvs 2384: TtaFreeMemory (strptrA);
2385: }
2386:
1.212 cvs 2387: /* how should we interpret the proxy domain list? */
1.291 kahan 2388:
1.212 cvs 2389: TtaGetEnvBoolean ("PROXYDOMAIN_IS_ONLYPROXY", &proxy_is_onlyproxy);
2390: HTProxy_setNoProxyIsOnlyProxy (proxy_is_onlyproxy);
2391:
2392: /* use libwww's routine to get all proxy settings from the environment */
1.361 ! vatton 2393: HTProxy_getEnvVar ();
1.97 cvs 2394: }
2395:
1.207 cvs 2396: /*----------------------------------------------------------------------
1.17 cvs 2397: AHTProfile_newAmaya
2398: creates the Amaya client profile for libwww.
1.15 cvs 2399: ----------------------------------------------------------------------*/
1.353 gully 2400: static void AHTProfile_newAmaya (const char *AppName, const char *AppVersion)
1.4 cvs 2401: {
1.361 ! vatton 2402: char *strptr;
1.158 cvs 2403:
1.361 ! vatton 2404: /* If the Library is not already initialized then do it */
! 2405: if (!HTLib_isInitialized ())
! 2406: HTLibInit (AppName, AppVersion);
! 2407:
! 2408: if (!converters)
! 2409: converters = HTList_new ();
! 2410: if (!acceptTypes)
! 2411: acceptTypes = HTList_new ();
! 2412: if (!acceptLanguages)
! 2413: acceptLanguages = HTList_new ();
! 2414: if (!transfer_encodings)
! 2415: transfer_encodings = HTList_new ();
! 2416: if (!content_encodings)
! 2417: content_encodings = HTList_new ();
! 2418:
! 2419: /* inhibits libwww's automatic file_suffix_binding */
! 2420: HTFile_doFileSuffixBinding (FALSE);
! 2421:
! 2422: /* Register the default set of transport protocols */
! 2423: HTTransportInit ();
! 2424:
! 2425: /* Register the default set of application protocol modules */
! 2426: AHTProtocolInit ();
! 2427:
! 2428: /* Register the default set of messages and dialog functions */
! 2429: AHTAlertInit ();
! 2430: HTAlert_setInteractive (YES);
1.116 cvs 2431:
2432: #ifdef AMAYA_WWW_CACHE
1.361 ! vatton 2433: /* Enable the persistent cache */
! 2434: CacheInit ();
1.116 cvs 2435: #else
1.361 ! vatton 2436: HTCacheMode_setEnabled (NO);
1.116 cvs 2437: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 2438:
1.361 ! vatton 2439: /* Register the default set of BEFORE and AFTER filters */
! 2440: AHTNetInit ();
1.4 cvs 2441:
1.361 ! vatton 2442: /* Set up the default set of Authentication schemes */
! 2443: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL, HTBasic_delete);
! 2444: /* activate MDA by defaul */
! 2445: strptr = TtaGetEnvString ("ENABLE_MDA");
! 2446: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no")))
! 2447: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse, HTDigest_updateInfo, HTDigest_delete);
1.257 kahan 2448:
1.361 ! vatton 2449: /* Get any proxy settings */
! 2450: ProxyInit ();
1.4 cvs 2451:
1.361 ! vatton 2452: /* Set up the domains where we accept a redirect on PUT */
! 2453: SafePut_init ();
1.207 cvs 2454:
1.361 ! vatton 2455: /* Register the default set of converters */
! 2456: AHTConverterInit (converters);
! 2457: HTFormat_setConversion (converters);
! 2458: AHTAcceptTypesInit (acceptTypes);
! 2459: AHTAcceptLanguagesInit (acceptLanguages);
! 2460:
! 2461: /* Register the default set of transfer encoders and decoders */
! 2462: HTTransferEncoderInit (transfer_encodings);
! 2463: HTFormat_setTransferCoding (transfer_encodings);
! 2464: /* Register the default set of content encoders and decoders */
! 2465: /* commented because we don't know yet how to handle deflate in the content enconding */
! 2466: /* HTContentEncoderInit (content_encodings); */
! 2467: HTCoding_add (content_encodings, "gzip", NULL, HTIdentityCoding, 1.0);
! 2468: /* ignore all other encoding formats (or libwww will send them
! 2469: thru a blackhole otherwise */
! 2470: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
! 2471: if (HTList_count(content_encodings) > 0)
! 2472: HTFormat_setContentCoding(content_encodings);
! 2473: else
! 2474: {
! 2475: HTList_delete(content_encodings);
! 2476: content_encodings = NULL;
! 2477: }
1.4 cvs 2478:
1.361 ! vatton 2479: /* Register the default set of MIME header parsers */
! 2480: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 2481:
1.361 ! vatton 2482: /* Register the default set of Icons for directory listings */
! 2483: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 2484: }
2485:
1.5 cvs 2486: /*----------------------------------------------------------------------
1.17 cvs 2487: AHTProfile_delete
2488: deletes the Amaya client profile.
1.5 cvs 2489: ----------------------------------------------------------------------*/
1.4 cvs 2490: static void AHTProfile_delete (void)
2491: {
1.22 cvs 2492: /* free the Amaya global context */
1.151 cvs 2493: /* Clean up all the registred converters */
2494: HTFormat_deleteAll ();
2495: if (acceptTypes)
1.74 cvs 2496: HTConversion_deleteAll (acceptTypes);
1.193 cvs 2497: if (acceptLanguages)
2498: HTLanguage_deleteAll (acceptLanguages);
1.151 cvs 2499:
1.209 cvs 2500: StopAllRequests (1);
1.74 cvs 2501: HTList_delete (Amaya->docid_status);
2502: HTList_delete (Amaya->reqlist);
2503: TtaFreeMemory (Amaya);
1.61 cvs 2504:
1.337 cvs 2505: #ifdef _WINGUI
1.209 cvs 2506: if (HTLib_isInitialized ())
1.151 cvs 2507: HTEventTerminate ();
1.337 cvs 2508: #endif /* _WINGUI; */
1.341 cvs 2509:
1.151 cvs 2510: /* Clean up the persistent cache (if any) */
1.116 cvs 2511: #ifdef AMAYA_WWW_CACHE
1.151 cvs 2512: clear_cachelock ();
2513: HTCacheTerminate ();
1.116 cvs 2514: #endif /* AMAYA_WWW_CACHE */
1.217 cvs 2515:
1.218 cvs 2516: /* call remove functions that are not called automatically by libwww */
2517: HTNetCall_deleteBeforeAll (HTNet_before ());
2518: HTNetCall_deleteAfterAll (HTNet_after ());
2519: HTAA_deleteAllModules ();
2520: HTAlertCall_deleteAll (HTAlert_global () );
2521: HTAlert_setGlobal ((HTList *) NULL);
1.259 cvs 2522: HTTimer_deleteAll ();
1.249 kahan 2523: HTEventList_unregisterAll ();
1.218 cvs 2524: /* these two functions are broken, so we can't call them right now
1.361 ! vatton 2525: HTHeader_deleteAll ();
! 2526: HTTimer_deleteAll ();
1.218 cvs 2527: */
2528: HTTransport_deleteAll ();
1.217 cvs 2529: /* remove bindings between suffixes, media types*/
2530: HTBind_deleteAll ();
1.151 cvs 2531: /* Terminate libwww */
2532: HTLibTerminate ();
1.4 cvs 2533: }
2534:
1.5 cvs 2535: /*----------------------------------------------------------------------
1.116 cvs 2536: AmayacontextInit
2537: initializes an internal Amaya context for our libwww interface
2538: ----------------------------------------------------------------------*/
1.265 cvs 2539: static void AmayaContextInit ()
1.116 cvs 2540: {
1.140 cvs 2541: AmayaAlive_flag = TRUE;
1.116 cvs 2542: /* Initialization of the global context */
2543: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
2544: Amaya->reqlist = HTList_new ();
2545: Amaya->docid_status = HTList_new ();
2546: Amaya->open_requests = 0;
2547: }
2548:
2549: /*----------------------------------------------------------------------
1.17 cvs 2550: QueryInit
2551: initializes the libwww interface
1.5 cvs 2552: ----------------------------------------------------------------------*/
1.265 cvs 2553: void QueryInit ()
1.4 cvs 2554: {
1.265 cvs 2555: char *strptr;
2556: int tmp_i;
2557: long tmp_l;
1.4 cvs 2558:
1.361 ! vatton 2559: AmayaContextInit ();
! 2560: AHTProfile_newAmaya (TtaGetAppName(), TtaGetAppVersion());
! 2561: CanDoStop_set (TRUE);
! 2562: UserAborted_flag = FALSE;
1.4 cvs 2563:
1.337 cvs 2564: #ifdef _WINGUI
1.361 ! vatton 2565: HTEventInit ();
1.337 cvs 2566: #endif /* _WINGUI */
1.72 cvs 2567:
1.341 cvs 2568: #ifdef _WX
1.361 ! vatton 2569: wxAmayaSocketEventLoop::InitSocketLib();
1.341 cvs 2570: #endif /* _WX */
2571:
1.344 vatton 2572: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.361 ! vatton 2573: HTEvent_setRegisterCallback ( AHTEvent_register);
! 2574: HTEvent_setUnregisterCallback (AHTEvent_unregister);
! 2575: HTTimer_registerSetTimerCallback ((BOOL (*)(HTTimer*)) AMAYA_SetTimer);
! 2576: HTTimer_registerDeleteTimerCallback ((BOOL (*)(HTTimer*))AMAYA_DeleteTimer);
1.344 vatton 2577: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.190 cvs 2578:
1.213 cvs 2579: #ifdef HTDEBUG
1.361 ! vatton 2580: /* an undocumented option for being able to generate an HTTP protocol
! 2581: trace. The flag can take values from 1-10, which are interpreted as
! 2582: different kinds of debug traces. Value 99 means a complete trace.
! 2583: 0 or other values means No Debug.1 No Debug (default), up to Full debug, respectively. */
! 2584: if (TtaGetEnvInt ("ENABLE_LIBWWW_DEBUG", &tmp_i))
! 2585: {
! 2586: switch (tmp_i)
! 2587: {
! 2588: case 1:
! 2589: WWW_TraceFlag = SHOW_URI_TRACE;
! 2590: break;
! 2591: case 2:
! 2592: WWW_TraceFlag = SHOW_BIND_TRACE;
! 2593: break;
! 2594: case 3:
! 2595: WWW_TraceFlag = SHOW_THREAD_TRACE;
! 2596: break;
! 2597: case 4:
! 2598: WWW_TraceFlag = SHOW_STREAM_TRACE;
! 2599: break;
! 2600: case 5:
! 2601: WWW_TraceFlag = SHOW_PROTOCOL_TRACE;
! 2602: break;
! 2603: case 6:
! 2604: WWW_TraceFlag = SHOW_MEM_TRACE;
! 2605: break;
! 2606: case 7:
! 2607: WWW_TraceFlag = SHOW_URI_TRACE;
! 2608: break;
! 2609: case 8:
! 2610: WWW_TraceFlag = SHOW_AUTH_TRACE;
! 2611: break;
! 2612: case 9:
! 2613: WWW_TraceFlag = SHOW_ANCHOR_TRACE;
! 2614: break;
! 2615: case 10 :
! 2616: WWW_TraceFlag = SHOW_CORE_TRACE;
! 2617: break;
! 2618: case 11 :
! 2619: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_ANCHOR_TRACE | SHOW_AUTH_TRACE | SHOW_URI_TRACE | SHOW_THREAD_TRACE | SHOW_STREAM_TRACE;
! 2620: break;
! 2621: case 99 :
! 2622: WWW_TraceFlag = SHOW_ALL_TRACE;
! 2623: break;
! 2624: default:
! 2625: WWW_TraceFlag = 0;
! 2626: break;
! 2627: }
! 2628: if (WWW_TraceFlag)
! 2629: {
! 2630: /* Trace activation (for debugging) */
! 2631: char *s, *tmp;
! 2632: s = TtaGetEnvString ("APP_TMPDIR");
! 2633: tmp = (char *)TtaGetMemory (strlen (s) + sizeof ("/libwww.log") + 1);
! 2634: strcpy (tmp, s);
! 2635: strcat (tmp, "/libwww.log");
! 2636: trace_fp = fopen (tmp, "ab");
! 2637: TtaFreeMemory (tmp);
! 2638: if (trace_fp)
! 2639: HTTrace_setCallback(LineTrace);
! 2640: }
! 2641: }
! 2642: else
! 2643: WWW_TraceFlag = 0;
1.213 cvs 2644: #endif /* HTDEBUG */
1.208 cvs 2645:
1.74 cvs 2646: #ifdef DEBUG_LIBWWW
1.116 cvs 2647: /* forwards error messages to our own function */
1.361 ! vatton 2648: WWW_TraceFlag = THD_TRACE;
! 2649: HTTrace_setCallback(LineTrace);
1.248 kahan 2650:
1.361 ! vatton 2651: /***
! 2652: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
! 2653: ***/
1.152 cvs 2654: #endif
1.247 kahan 2655:
1.361 ! vatton 2656: TtaGetEnvBoolean ("ENABLE_FTP", &FTPURL_flag);
1.152 cvs 2657:
1.361 ! vatton 2658: /* Setting up different network parameters */
1.151 cvs 2659:
1.361 ! vatton 2660: /* Maximum number of simultaneous open sockets */
! 2661: strptr = TtaGetEnvString ("MAX_SOCKET");
! 2662: if (strptr && *strptr)
! 2663: tmp_i = atoi (strptr);
! 2664: else
! 2665: tmp_i = DEFAULT_MAX_SOCKET;
! 2666: HTNet_setMaxSocket (tmp_i);
! 2667:
! 2668: /* different network services timeouts */
! 2669: /* dns timeout */
! 2670: strptr = TtaGetEnvString ("DNS_TIMEOUT");
! 2671: if (strptr && *strptr)
! 2672: tmp_i = atoi (strptr);
! 2673: else
! 2674: tmp_i = DEFAULT_DNS_TIMEOUT;
! 2675: HTDNS_setTimeout (tmp_i);
! 2676:
! 2677: /* persistent connections timeout */
! 2678: strptr = TtaGetEnvString ("PERSIST_CX_TIMEOUT");
! 2679: if (strptr && *strptr)
! 2680: tmp_l = atol (strptr);
! 2681: else
! 2682: tmp_l = DEFAULT_PERSIST_TIMEOUT;
! 2683: HTHost_setPersistTimeout (tmp_l);
! 2684:
! 2685: /* default timeout in ms */
! 2686: strptr = TtaGetEnvString ("NET_EVENT_TIMEOUT");
! 2687: if (strptr && *strptr)
! 2688: tmp_i = atoi (strptr);
! 2689: else
! 2690: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
! 2691: HTHost_setEventTimeout (tmp_i);
1.151 cvs 2692:
1.361 ! vatton 2693: HTRequest_setMaxRetry (8);
1.4 cvs 2694: #ifdef CATCH_SIG
1.361 ! vatton 2695: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2696: #endif
1.15 cvs 2697: }
2698:
2699: /*----------------------------------------------------------------------
1.17 cvs 2700: LoopForStop
1.136 cvs 2701: a copy of the Thop event loop so we can handle the stop button in Unix
2702: and preemptive requests under Windows
1.15 cvs 2703: ----------------------------------------------------------------------*/
2704: static int LoopForStop (AHTReqContext * me)
2705: {
1.331 gully 2706: int status_req = HT_OK;
2707:
1.337 cvs 2708: #ifdef _WINGUI
1.136 cvs 2709: MSG msg;
2710: unsigned long libwww_msg;
2711: HWND old_active_window, libwww_window;
1.331 gully 2712:
1.136 cvs 2713:
2714: old_active_window = GetActiveWindow ();
2715: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2716:
1.149 cvs 2717: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
1.361 ! vatton 2718: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
! 2719: GetMessage (&msg, NULL, 0, 0))
1.253 cvs 2720: {
2721: if (msg.message != WM_QUIT)
1.361 ! vatton 2722: TtaHandleOneEvent (&msg);
1.253 cvs 2723: else
1.361 ! vatton 2724: break;
1.253 cvs 2725: }
1.136 cvs 2726: if (!AmayaIsAlive ())
2727: /* Amaya was killed by one of the callback handlers */
2728: exit (0);
1.337 cvs 2729: #endif /* _WINGUI */
1.331 gully 2730:
1.344 vatton 2731: #if defined(_GTK) || defined(_WX)
1.361 ! vatton 2732: ThotEvent ev;
1.15 cvs 2733:
1.361 ! vatton 2734: /* to test the async calls */
! 2735: /* Loop while waiting for new events, exists when the request is over */
! 2736: while (me->reqStatus != HT_ABORT &&
! 2737: me->reqStatus != HT_END &&
! 2738: me->reqStatus != HT_ERR) {
! 2739: if (!AmayaIsAlive ())
1.69 cvs 2740: /* Amaya was killed by one of the callback handlers */
2741: exit (0);
1.277 kahan 2742:
1.361 ! vatton 2743: if (TtaFetchOneAvailableEvent (&ev))
! 2744: TtaHandleOneEvent (&ev);
1.340 gully 2745: #ifdef _WX
1.361 ! vatton 2746: /* this is necessary for synchronous request*/
! 2747: /* check the socket stats */
! 2748: wxAmayaSocketEvent::CheckSocketStatus( 500 );
1.340 gully 2749: #endif /* _WX */
1.361 ! vatton 2750: }
1.344 vatton 2751: #endif /* #if defined(_GTK) || defined(_WX) */
1.331 gully 2752:
1.361 ! vatton 2753: switch (me->reqStatus) {
! 2754: case HT_ERR:
! 2755: case HT_ABORT:
! 2756: status_req = NO;
! 2757: break;
! 2758: case HT_END:
! 2759: status_req = YES;
! 2760: break;
! 2761: default:
! 2762: break;
! 2763: }
! 2764: return (status_req);
1.4 cvs 2765: }
2766:
1.5 cvs 2767: /*----------------------------------------------------------------------
1.15 cvs 2768: QueryClose
1.21 cvs 2769: closes all existing threads, frees all non-automatically deallocated
2770: memory and then ends libwww.
1.5 cvs 2771: ----------------------------------------------------------------------*/
1.116 cvs 2772: void QueryClose ()
1.4 cvs 2773: {
1.24 cvs 2774:
1.140 cvs 2775: AmayaAlive_flag = FALSE;
1.24 cvs 2776:
1.116 cvs 2777: /* remove all the handlers and callbacks that may output a message to
2778: a non-existent Amaya window */
2779: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2780: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.344 vatton 2781: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.116 cvs 2782: /** need to erase all existing timers too **/
1.361 ! vatton 2783: HTTimer_registerSetTimerCallback (NULL);
! 2784: HTTimer_registerDeleteTimerCallback (NULL);
1.344 vatton 2785: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.116 cvs 2786: HTHost_setActivateRequestCallback (NULL);
2787: Thread_deleteAll ();
1.21 cvs 2788:
1.116 cvs 2789: HTProxy_deleteAll ();
2790: HTNoProxy_deleteAll ();
1.207 cvs 2791: SafePut_delete ();
1.116 cvs 2792: HTGateway_deleteAll ();
2793: AHTProfile_delete ();
1.248 kahan 2794:
2795: /* close the trace file (if it exists) */
2796: if (trace_fp)
2797: fclose (trace_fp);
2798:
1.116 cvs 2799: }
2800:
2801: /*----------------------------------------------------------------------
2802: NextNameValue
2803: ---------------------------------------------------------------------*/
1.265 cvs 2804: static char * NextNameValue (char **pstr, char **name, char **value)
1.116 cvs 2805: {
2806: char * p = *pstr;
2807: char * start = NULL;
2808: if (!pstr || !*pstr) return NULL;
2809:
1.361 ! vatton 2810: if (!*p) {
! 2811: *pstr = p;
! 2812: *name = NULL;
! 2813: *value = NULL;
! 2814: return NULL; /* No field */
! 2815: }
1.116 cvs 2816:
1.361 ! vatton 2817: /* Now search for the next '&' and ';' delimitators */
! 2818: start = p;
! 2819: while (*p && *p != '&' && *p != ';') p++;
! 2820: if (*p)
! 2821: *p++ = '\0';
! 2822: *pstr = p;
! 2823:
! 2824: /* Search for the name and value */
! 2825: *name = start;
! 2826: p = start;
1.116 cvs 2827:
1.361 ! vatton 2828: while(*p && *p != '=')
! 2829: p++;
! 2830: if (*p)
! 2831: *p++ = '\0';
! 2832: *value = p;
1.116 cvs 2833:
1.361 ! vatton 2834: return start;
1.116 cvs 2835: }
2836:
2837: /*----------------------------------------------------------------------
2838: PrepareFormdata
2839: ---------------------------------------------------------------------*/
1.265 cvs 2840: static HTAssocList * PrepareFormdata (char *string)
1.116 cvs 2841: {
1.266 cvs 2842: char *tmp_string, *tmp_string_ptr;
2843: char *name;
2844: char *value;
2845: HTAssocList *formdata;
1.116 cvs 2846:
2847: if (!string)
2848: return NULL;
2849:
2850: /* store the ptr in another variable, as the original address will
2851: change
1.361 ! vatton 2852: */
1.236 cvs 2853:
1.334 gully 2854: tmp_string_ptr = (char *)TtaGetMemory (strlen (string) + 1);
1.236 cvs 2855: tmp_string = tmp_string_ptr;
1.273 cvs 2856: strcpy (tmp_string_ptr, string);
1.116 cvs 2857: formdata = HTAssocList_new();
2858:
2859: while (*tmp_string)
2860: {
2861: NextNameValue (&tmp_string, &name, &value);
2862: HTAssocList_addObject(formdata,
1.361 ! vatton 2863: name, value);
1.116 cvs 2864: }
2865:
2866: TtaFreeMemory (tmp_string_ptr);
2867: return formdata;
1.4 cvs 2868: }
2869:
1.236 cvs 2870: /*----------------------------------------------------------------------
2871: ---------------------------------------------------------------------*/
1.332 kahan 2872: void AHTRequest_setRefererHeader (AHTReqContext *me)
1.326 vatton 2873: {
1.332 kahan 2874: HTRequest *request;
2875: HTRqHd rqhd;
2876: ThotBool referer;
2877:
2878: TtaGetEnvBoolean ("SEND_REFERER", &referer);
2879: if (referer && me->refdocUrl && me->refdocUrl[0] != EOS
2880: && IsHTTPPath (me->refdocUrl))
2881: {
2882: request = me->request;
2883: rqhd = HTRequest_rqHd (request);
1.334 gully 2884: rqhd = (HTRqHd)((int)rqhd & (~HT_C_REFERER));
1.332 kahan 2885:
2886: HTRequest_setRqHd (request, rqhd);
2887: HTRequest_addExtraHeader (request, "Referer", me->refdocUrl);
2888: }
1.326 vatton 2889: }
2890:
2891: /*----------------------------------------------------------------------
2892: ---------------------------------------------------------------------*/
1.216 cvs 2893: void AHTRequest_setCustomAcceptHeader (HTRequest *request, char *value)
2894: {
2895: HTRqHd rqhd = HTRequest_rqHd (request);
1.334 gully 2896: rqhd = (HTRqHd)((int)rqhd & (~HT_C_ACCEPT_TYPE));
1.216 cvs 2897: HTRequest_setRqHd (request, rqhd);
1.221 cvs 2898: HTRequest_addExtraHeader (request, "Accept", value);
1.216 cvs 2899: }
2900:
1.228 cvs 2901: /*----------------------------------------------------------------------
1.318 kahan 2902: GetOutputFileName
2903: Generates a temporary filename (based on a counter) for storing
2904: the information that a server sends back.
2905: ----------------------------------------------------------------------*/
2906: static void GetOutputFileName (char *outputfile, int tempsubdir)
2907: {
2908: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP,
1.361 ! vatton 2909: object_counter);
1.318 kahan 2910: /* update the object_counter (used for the tempfilename) */
2911: object_counter++;
2912: }
2913:
2914: /*----------------------------------------------------------------------
1.99 cvs 2915: InvokeGetObjectWWW_callback
2916: A simple function to invoke a callback function whenever there's an error
2917: in GetObjectWWW
2918: ---------------------------------------------------------------------*/
1.265 cvs 2919: void InvokeGetObjectWWW_callback (int docid, char *urlName,
1.361 ! vatton 2920: char *outputfile, TTcbf *terminate_cbf,
! 2921: void *context_tcbf, int status)
1.99 cvs 2922: {
2923: if (!terminate_cbf)
2924: return;
2925:
1.116 cvs 2926: (*terminate_cbf) (docid, status, urlName, outputfile,
1.361 ! vatton 2927: NULL, context_tcbf);
1.99 cvs 2928: }
2929:
2930:
1.5 cvs 2931: /*----------------------------------------------------------------------
1.361 ! vatton 2932: GetObjectWWW
! 2933: this function requests a resource designated by a URLname into a
! 2934: temporary filename. The download can come from a simple GET operation,
! 2935: or can come from POSTING/GETTING a form. In the latter
! 2936: case, the function receives a query string to send to the server.
1.17 cvs 2937:
1.361 ! vatton 2938: 4 file retrieval modes are proposed:
! 2939: AMAYA_SYNC : blocking mode
! 2940: AMAYA_ISYNC : incremental, blocking mode
! 2941: AMAYA_ASYNC : non-blocking mode
! 2942: AMAYA_IASYNC : incremental, non-blocking mode
1.5 cvs 2943:
1.361 ! vatton 2944: In the incremental mode, each time a package arrives, it will be
! 2945: stored in the temporary file. In addition, if an
! 2946: incremental_callback function is defined, this function will be
! 2947: called and handled a copy of the newly received data package.
! 2948: Finally, if a terminate_callback function is defined, it will be
! 2949: invoked when the request terminates. The caller of this function
! 2950: can define two different contexts to be passed to the callback
! 2951: functions.
! 2952:
! 2953: When the function is called with the SYNC mode, the function will
! 2954: return only when the requested file has been loaded.
! 2955: The ASYNC mode will immediately return after setting up the
! 2956: call.
! 2957:
! 2958: Notes:
! 2959: At the end of a succesful request, the urlName string contains the
! 2960: name of the actually retrieved URL. As a URL can change over the time,
! 2961: (e.g., be redirected elsewhere), it is advised that the function
! 2962: caller verify the value of the urlName variable at the end of
! 2963: a request.
! 2964:
! 2965: Inputs:
! 2966: - docid Document identifier for the set of objects being
! 2967: retrieved.
! 2968: - refdoc Document identifier to refer.
! 2969: - urlName The utf8-coded URL to be retrieved (MAX_URL_LENGTH chars length)
! 2970: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
! 2971: - mode The retrieval mode.
! 2972: - incremental_cbf
! 2973: - context_icbf
! 2974: Callback and context for the incremental modes
! 2975: - terminate_cbf
! 2976: - context_icbf
! 2977: Callback and context for a terminate handler
! 2978: -error_html if TRUE, then display any server error message as an
! 2979: HTML document.
! 2980: - content_type a string
1.88 cvs 2981:
1.361 ! vatton 2982: Outputs:
! 2983: - urlName The URL that was retrieved
! 2984: - outputfile The name of the temporary file which holds the
! 2985: retrieved data. (Only in case of success)
! 2986: - if content_type wasn't NULL, it will contain a copy of the parameter
! 2987: sent in the HTTP answer
! 2988: Returns:
! 2989: HT_ERROR
! 2990: HT_OK
1.5 cvs 2991: ----------------------------------------------------------------------*/
1.326 vatton 2992: int GetObjectWWW (int docid, int refdoc, char *urlName, char *formdata,
1.361 ! vatton 2993: char *outputfile, int mode, TIcbf *incremental_cbf,
! 2994: void *context_icbf, TTcbf *terminate_cbf,
! 2995: void *context_tcbf, ThotBool error_html, char *content_type)
! 2996: {
! 2997: AHTReqContext *me;
! 2998: char *ref;
! 2999: char *esc_url;
! 3000: int status, l;
! 3001: int tempsubdir;
! 3002: ThotBool bool_tmp, referer;
! 3003:
! 3004: if (urlName == NULL || outputfile == NULL)
! 3005: {
! 3006: /* no file to be loaded */
! 3007: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 3008:
3009: if (error_html)
1.361 ! vatton 3010: /* so we can show the error message */
! 3011: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
! 3012: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
! 3013: context_tcbf, HT_ERROR);
! 3014: return HT_ERROR;
! 3015: }
! 3016:
! 3017: /* if it's a 'docImage', we have already downloaded it */
! 3018: if (!strncmp ("internal:", urlName, 9))
! 3019: {
! 3020: strcpy (outputfile, urlName);
! 3021: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
! 3022: terminate_cbf, context_tcbf, HT_OK);
! 3023: return HT_OK;
! 3024: }
! 3025:
! 3026: /* do we support this protocol? */
! 3027: if (IsValidProtocol (urlName) == NO)
! 3028: {
! 3029: /* return error */
! 3030: outputfile[0] = EOS; /* file could not be opened */
! 3031: TtaSetStatus (docid, 1,
! 3032: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
! 3033: urlName);
! 3034:
! 3035: if (error_html)
! 3036: /* so we can show the error message */
! 3037: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 3038: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.361 ! vatton 3039: context_tcbf, HT_ERROR);
1.69 cvs 3040: return HT_ERROR;
1.361 ! vatton 3041: }
! 3042:
! 3043: /* we store CSS in subdir named 0; all the other files go to a subdir
! 3044: named after their own docid */
! 3045: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
! 3046: /* create a tempfilename */
! 3047: GetOutputFileName (outputfile, tempsubdir);
! 3048:
! 3049: /* normalize the URL */
! 3050: esc_url = EscapeURL (urlName);
! 3051: if (esc_url)
! 3052: {
! 3053: ref = AmayaParseUrl (esc_url, "", AMAYA_PARSE_ALL);
! 3054: TtaFreeMemory (esc_url);
! 3055: }
! 3056: else
! 3057: ref = NULL;
1.116 cvs 3058:
1.361 ! vatton 3059: /* should we abort the request if we could not normalize the url? */
! 3060: if (ref == NULL || ref[0] == EOS) {
! 3061: /*error */
! 3062: outputfile[0] = EOS;
! 3063: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
! 3064: if (ref)
! 3065: TtaFreeMemory (ref);
! 3066: if (error_html)
! 3067: /* so we can show the error message */
! 3068: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
! 3069: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
! 3070: context_tcbf, HT_ERROR);
! 3071: return HT_ERROR;
! 3072: }
! 3073:
! 3074: /* verify if that file name existed */
! 3075: if (TtaFileExist (outputfile))
! 3076: TtaFileUnlink (outputfile);
1.116 cvs 3077:
1.361 ! vatton 3078: /* Initialize the request structure */
! 3079: me = AHTReqContext_new (docid);
! 3080: if (me == NULL)
! 3081: {
! 3082: outputfile[0] = EOS;
! 3083: /* need an error message here */
! 3084: TtaFreeMemory (ref);
! 3085: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
! 3086: context_tcbf, HT_ERROR);
! 3087: return HT_ERROR;
! 3088: }
! 3089:
! 3090: /* Specific initializations for POST and GET */
! 3091: if (mode & AMAYA_FORM_POST
! 3092: || mode & AMAYA_FILE_POST)
! 3093: {
! 3094: me->method = METHOD_POST;
! 3095: HTRequest_setMethod (me->request, METHOD_POST);
! 3096: }
! 3097: else
! 3098: {
1.254 kahan 3099: #ifdef ANNOTATIONS
1.361 ! vatton 3100: /* we support the DELETE method for deleting annotations.
! 3101: the rest of the request is similar to the GET */
! 3102: if (mode & AMAYA_DELETE)
! 3103: {
! 3104: me->method = METHOD_GET;
! 3105: HTRequest_setMethod (me->request, METHOD_DELETE);
! 3106: }
! 3107: else
1.254 kahan 3108: #endif /* ANNOTATIONS */
1.361 ! vatton 3109: me->method = METHOD_GET;
1.295 kahan 3110: #ifdef ANNOTATIONS
1.361 ! vatton 3111: /* use the custom sent content_type */
! 3112: if (content_type && content_type[0] != EOS)
! 3113: AHTRequest_setCustomAcceptHeader (me->request, content_type);
! 3114: else
1.295 kahan 3115: #endif /* ANNOTATIONS */
1.361 ! vatton 3116: if (!HasKnownFileSuffix (ref))
! 3117: {
! 3118: /* try to adjust the Accept header in an netwise economical way */
! 3119: if (mode & AMAYA_LOAD_IMAGE)
! 3120: AHTRequest_setCustomAcceptHeader (me->request, IMAGE_ACCEPT_NEGOTIATION);
! 3121: else if (mode & AMAYA_LOAD_CSS)
! 3122: AHTRequest_setCustomAcceptHeader (me->request, "*/*;q=0.1,css/*");
! 3123: else
! 3124: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
! 3125: /*
! 3126: HTRequest_setConversion(me->request, acceptTypes, TRUE);
! 3127: */
! 3128: }
! 3129: else
! 3130: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
! 3131: /* IV 13/08/2003 */
! 3132: TtaGetEnvBoolean ("SEND_REFERER", &referer);
! 3133: if (referer && refdoc && DocumentURLs[refdoc] &&
! 3134: IsHTTPPath (DocumentURLs[refdoc]))
! 3135: {
! 3136: me->refdocUrl = TtaStrdup (DocumentURLs[refdoc]);
! 3137: AHTRequest_setRefererHeader (me);
! 3138: }
! 3139: /* language negotiation */
! 3140: HTRequest_setLanguage (me->request, acceptLanguages, TRUE);
! 3141: }
! 3142:
! 3143: /* Common initialization for all HTML methods */
! 3144: me->mode = mode;
! 3145: me->error_html = error_html;
! 3146: me->incremental_cbf = incremental_cbf;
! 3147: me->context_icbf = context_icbf;
! 3148: me->terminate_cbf = terminate_cbf;
! 3149: me->context_tcbf = context_tcbf;
1.64 cvs 3150:
1.361 ! vatton 3151: /* for the async. request modes, we need to have our
! 3152: own copy of outputfile and urlname
! 3153: */
1.4 cvs 3154:
1.361 ! vatton 3155: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
! 3156: {
! 3157: l = strlen (outputfile);
! 3158: if (l > MAX_LENGTH)
! 3159: me->outputfile = (char *)TtaGetMemory (l + 2);
! 3160: else
! 3161: me->outputfile = (char *)TtaGetMemory (MAX_LENGTH + 2);
! 3162: strcpy (me->outputfile, outputfile);
! 3163: l = strlen (urlName);
! 3164: if (l > MAX_LENGTH)
! 3165: me->urlName = (char *)TtaGetMemory (l + 2);
! 3166: else
! 3167: me->urlName = (char *)TtaGetMemory (MAX_LENGTH + 2);
! 3168: strcpy (me->urlName, urlName);
! 3169: /* TODO: a tester que ca marche bien avec WX */
1.352 gully 3170: #ifdef _WINDOWS
1.361 ! vatton 3171: /* force windows ASYNC requests to always be non preemptive */
! 3172: HTRequest_setPreemptive (me->request, NO);
1.352 gully 3173: #endif /*_WINDOWS */
1.361 ! vatton 3174: } /* AMAYA_ASYNC mode */
! 3175: else
1.352 gully 3176: #ifdef _WINDOWS
1.361 ! vatton 3177: {
! 3178: me->outputfile = outputfile;
! 3179: me->urlName = urlName;
! 3180: /* force windows SYNC requests to always be non preemptive */
! 3181: HTRequest_setPreemptive (me->request, YES);
! 3182: }
1.352 gully 3183: #endif /* !_WINDOWS */
1.331 gully 3184:
1.352 gully 3185: #if defined(_UNIX)
1.361 ! vatton 3186: {
! 3187: me->outputfile = outputfile;
! 3188: me->urlName = urlName;
! 3189: }
! 3190: /***
! 3191: In order to take into account the stop button,
! 3192: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
! 3193: we will loop until the document has been received or a stop signal
! 3194: generated
! 3195: ****/
! 3196: HTRequest_setPreemptive (me->request, NO);
1.352 gully 3197: #endif /* #if defined(_UNIX) */
1.61 cvs 3198:
1.361 ! vatton 3199: /*
! 3200: ** Make sure that the first request is flushed immediately and not
! 3201: ** buffered in the output buffer
! 3202: */
! 3203: if (mode & AMAYA_FLUSH_REQUEST)
! 3204: HTRequest_setFlush(me->request, YES);
! 3205: HTRequest_setFlush(me->request, YES);
! 3206:
! 3207: /* prepare the URLname that will be displayed in teh status bar */
! 3208: ChopURL (me->status_urlName, me->urlName);
! 3209: TtaSetStatus (me->docid, 1,
! 3210: TtaGetMessage (AMAYA, AM_FETCHING),
! 3211: me->status_urlName);
1.4 cvs 3212:
1.361 ! vatton 3213: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
! 3214: TtaFreeMemory (ref);
1.177 cvs 3215:
1.361 ! vatton 3216: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
! 3217: if (!bool_tmp && (mode & AMAYA_NOCACHE))
! 3218: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
! 3219:
! 3220: /* prepare the query string and format for POST */
! 3221: if (mode & AMAYA_FORM_POST)
! 3222: {
! 3223: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
! 3224: HTAtom_for ("application/x-www-form-urlencoded"));
! 3225: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
! 3226: HTRequest_setEntityAnchor (me->request, me->anchor);
! 3227: }
! 3228:
! 3229: /* create the formdata element for libwww */
! 3230: if (formdata && ! (mode & AMAYA_FILE_POST))
! 3231: me->formdata = PrepareFormdata (formdata);
1.127 cvs 3232:
1.297 kirschpi 3233:
3234: #ifdef DAV
1.361 ! vatton 3235: /* try to add an "If" header (lock information) also for POST
! 3236: * requests and for GET forms */
! 3237: if (HTRequest_method(me->request) == METHOD_POST ||
! 3238: (HTRequest_method(me->request) == METHOD_GET && me->formdata))
! 3239: DAVAddIfHeader (me,HTAnchor_address((HTAnchor*)me->anchor));
1.302 kirschpi 3240: #endif /* DAV */
1.297 kirschpi 3241:
3242:
1.361 ! vatton 3243: /* do the request */
! 3244: if (mode & AMAYA_FORM_POST)
! 3245: {
! 3246: /* this call doesn't give back a ThotBool */
! 3247: HTParentAnchor * posted = NULL;
! 3248:
! 3249: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
! 3250: me->request);
! 3251: status = posted ? YES : NO;
! 3252: }
1.222 cvs 3253: #ifdef ANNOTATIONS
1.361 ! vatton 3254: else if (mode & AMAYA_FILE_POST)
! 3255: {
! 3256: unsigned long filesize;
! 3257: char *fileURL;
! 3258:
! 3259: /* @@@ a very ugly patch :)))
! 3260: I'm copying here some of the functionality I use in the PUT
! 3261: I need to put the common parts in another module */
! 3262: AM_GetFileSize (formdata, &filesize);
! 3263: me->block_size = filesize;
! 3264:
! 3265: fileURL = HTParse (formdata, "file:/", PARSE_ALL);
! 3266: me->source = HTAnchor_findAddress (fileURL);
! 3267: HT_FREE (fileURL);
! 3268:
! 3269: /* hardcoded ... */
! 3270: AHTRequest_setCustomAcceptHeader (me->request, "application/xml");
! 3271: HTAnchor_setFormat (HTAnchor_parent (me->source),
! 3272: HTAtom_for ("application/xml"));
! 3273: HTAnchor_setFormat (me->anchor,
! 3274: HTAtom_for ("application/xml"));
! 3275: HTAnchor_setLength ((HTParentAnchor *) me->source, me->block_size);
! 3276: /* @@ here I need to actually read the file and put it in document,
! 3277: then, when I kill the request, I need to kill it */
! 3278: {
! 3279: FILE *fp;
! 3280: int i;
! 3281: char c;
! 3282:
! 3283: me->document = (char *)TtaGetMemory (me->block_size + 1);
! 3284: fp = TtaReadOpen (formdata);
! 3285: i = 0;
! 3286: c = getc (fp);
! 3287: while (!feof (fp))
! 3288: {
! 3289: me->document[i++] = c;
! 3290: c = getc (fp);
! 3291: }
! 3292: me->document[i] = EOS;
! 3293: TtaReadClose (fp);
! 3294: }
! 3295: HTAnchor_setDocument ( (HTParentAnchor *) me->source,
! 3296: (void * ) me->document);
! 3297: HTRequest_setEntityAnchor (me->request, HTAnchor_parent (me->source));
1.228 cvs 3298:
1.361 ! vatton 3299: status = HTPostAnchor (HTAnchor_parent (me->source),
! 3300: (HTAnchor *) me->anchor,
! 3301: me->request);
! 3302: }
1.222 cvs 3303: #endif /* ANNOTATIONS */
1.361 ! vatton 3304: else if (formdata)
! 3305: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
! 3306: me->request);
! 3307: else
! 3308: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
! 3309:
! 3310: /* @@@ may need some special windows error msg here */
! 3311: /* control the errors */
! 3312:
! 3313: if (status == NO)
! 3314: /* the request invocation failed */
! 3315: {
! 3316: /* show an error message on the status bar */
! 3317: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
! 3318: TtaSetStatus (docid, 1,
! 3319: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
! 3320: urlName);
! 3321: if (me->reqStatus == HT_NEW)
! 3322: /* manually invoke the last processing that usually gets done
! 3323: in a succesful request */
! 3324: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
! 3325: terminate_cbf, context_tcbf, HT_ERROR);
! 3326: /* terminate_handler wasn't called */
! 3327: AHTReqContext_delete (me);
! 3328: }
! 3329: else
! 3330: /* end treatment for SYNC requests */
! 3331: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
! 3332: {
! 3333: /* wait here untilt the asynchronous request finishes */
! 3334: status = LoopForStop (me);
! 3335: /* if status returns HT_ERROR, should we invoke the callback? */
! 3336: if (!HTRequest_kill (me->request))
! 3337: AHTReqContext_delete (me);
! 3338: }
! 3339:
! 3340: /* an interface problem!!! */
! 3341: return (status == YES ? 0 : -1);
1.4 cvs 3342: }
3343:
1.5 cvs 3344: /*----------------------------------------------------------------------
1.361 ! vatton 3345: PutObjectWWW
! 3346: frontend for uploading a resource to a URL. This function downloads
! 3347: a file to be uploaded into memory, it then calls UploadMemWWW to
! 3348: finish the job.
! 3349:
! 3350: 2 upload modes are proposed:
! 3351: AMAYA_SYNC : blocking mode
! 3352: AMAYA_ASYNC : non-blocking mode
1.5 cvs 3353:
1.361 ! vatton 3354: When the function is called with the SYNC mode, the function will
! 3355: return only when the file has been uploaded.
! 3356: The ASYNC mode will immediately return after setting up the
! 3357: call. Furthermore, at the end of an upload, the ASYNC mode will
! 3358: call back terminate_cbf, handling it the context defined in
! 3359: context_tcbf.
! 3360:
! 3361: Notes:
! 3362: At the end of a succesful request, the urlName string contains the
! 3363: name of the actually uploaded URL. As a URL can change over the time,
! 3364: (e.g., be redirected elsewhere), it is advised that the function
! 3365: caller verifies the value of the urlName variable at the end of
! 3366: a request.
! 3367:
! 3368: Inputs:
! 3369: - docid Document identifier for the set of objects being
! 3370: retrieved.
! 3371: - fileName A pointer to the local file to upload
! 3372: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
! 3373: - mode The retrieval mode.
! 3374: - terminate_cbf
! 3375: - context_icbf
! 3376: Callback and context for a terminate handler
! 3377:
! 3378: Outputs:
! 3379: - urlName The URL that was uploaded
! 3380:
! 3381: Returns:
! 3382: HT_ERROR
! 3383: HT_OK
1.5 cvs 3384: ----------------------------------------------------------------------*/
1.276 kahan 3385: int PutObjectWWW (int docid, char *fileName, char *urlName,
1.361 ! vatton 3386: char *contentType, char *outputfile, int mode,
! 3387: TTcbf *terminate_cbf, void *context_tcbf)
1.4 cvs 3388: {
1.361 ! vatton 3389: AHTReqContext *me;
! 3390: CHARSET charset;
! 3391: int status;
! 3392: unsigned long file_size = 0;
! 3393: char *fileURL;
! 3394: char *etag = NULL;
! 3395: HTParentAnchor *dest_anc_parent;
! 3396: char *tmp;
! 3397: char *esc_url;
! 3398: int UsePreconditions;
! 3399: char url_name[MAX_LENGTH];
! 3400: char *resource_name;
! 3401: char *tmp2;
! 3402: char file_name[MAX_LENGTH];
! 3403: ThotBool lost_update_check = TRUE;
! 3404:
! 3405: if (mode & AMAYA_SIMPLE_PUT)
! 3406: {
! 3407: lost_update_check = FALSE;
! 3408: UsePreconditions = FALSE;
! 3409: if (!outputfile)
! 3410: return HT_ERROR;
! 3411: }
! 3412: else
! 3413: {
! 3414: /* should we protect the PUT against lost updates? */
! 3415: tmp = TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
! 3416: if (tmp && *tmp && strcasecmp (tmp, "yes"))
! 3417: lost_update_check = FALSE;
1.168 cvs 3418:
1.361 ! vatton 3419: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
! 3420: }
1.4 cvs 3421:
1.361 ! vatton 3422: AmayaLastHTTPErrorMsg [0] = EOS;
! 3423: AmayaLastHTTPErrorMsgR [0] = EOS;
1.256 kahan 3424:
1.33 cvs 3425:
1.361 ! vatton 3426: if (urlName == NULL || docid == 0 || fileName == NULL
! 3427: || !TtaFileExist (fileName))
! 3428: /* no file to be uploaded */
! 3429: return HT_ERROR;
! 3430:
! 3431: /* do we support this protocol? */
! 3432: if (IsValidProtocol (urlName) == NO)
! 3433: {
! 3434: /* return error */
! 3435: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL), urlName);
1.4 cvs 3436: return HT_ERROR;
1.361 ! vatton 3437: }
! 3438:
! 3439: /* get the size of the file */
! 3440: if (!AM_GetFileSize (fileName, &file_size) || file_size == 0L)
! 3441: {
! 3442: /* file was empty */
! 3443: /*errmsg here */
! 3444: return (HT_ERROR);
! 3445: }
! 3446:
! 3447: /* prepare the request context */
! 3448: if (THD_TRACE)
! 3449: fprintf (stderr, "file size == %u\n", (unsigned) file_size);
! 3450:
! 3451: me = AHTReqContext_new (docid);
! 3452: if (me == NULL)
! 3453: {
! 3454: /* @@ need an error message here */
! 3455: TtaHandlePendingEvents ();
! 3456: return (HT_ERROR);
! 3457: }
! 3458:
! 3459: /*
! 3460: ** Set up the original URL name
! 3461: */
! 3462:
! 3463: /* are we using content-location? */
! 3464: if (DocumentMeta[docid]->content_location)
! 3465: resource_name = DocumentMeta[docid]->content_location;
! 3466: else
! 3467: resource_name = NULL;
1.4 cvs 3468:
1.361 ! vatton 3469: /* prepare the target URL */
! 3470: if (resource_name)
! 3471: {
! 3472: tmp = strstr (urlName, resource_name);
! 3473: if (!tmp)
! 3474: {
! 3475: /* urlName does not include the resource name */
! 3476: me->default_put_name = (char *)TtaGetMemory (strlen (urlName)
! 3477: + strlen (resource_name)
! 3478: + sizeof (URL_SEP)
! 3479: + 1);
! 3480: strcpy (me->default_put_name, urlName);
! 3481: tmp = strrchr (me->default_put_name, URL_SEP);
! 3482: if (tmp)
! 3483: {
! 3484: /* it is a URL finishing in /. Only add the resrouce name */
! 3485: tmp++;
! 3486: strcpy (tmp, resource_name);
! 3487: }
! 3488: else
! 3489: {
! 3490: strcat (me->default_put_name, URL_STR);
! 3491: strcat (me->default_put_name, resource_name);
! 3492: }
! 3493: }
! 3494: }
1.285 kahan 3495:
1.361 ! vatton 3496: if (!me->default_put_name)
! 3497: me->default_put_name = TtaStrdup (urlName);
1.271 kahan 3498:
1.361 ! vatton 3499: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.116 cvs 3500:
1.361 ! vatton 3501: me->mode = mode;
! 3502: me->incremental_cbf = (TIcbf *) NULL;
! 3503: me->context_icbf = (void *) NULL;
! 3504: me->terminate_cbf = terminate_cbf;
! 3505: me->context_tcbf = context_tcbf;
! 3506:
! 3507: /* normalize the URL */
! 3508: esc_url = EscapeURL (urlName);
! 3509: me->urlName = TtaStrdup (esc_url);
! 3510: TtaFreeMemory (esc_url);
! 3511:
! 3512: me->block_size = file_size;
! 3513: /* select the parameters that distinguish a PUT from a GET/POST */
! 3514: me->method = METHOD_PUT;
! 3515: if (mode & AMAYA_SIMPLE_PUT)
! 3516: {
! 3517: me->output = NULL;
! 3518: GetOutputFileName (outputfile, docid);
! 3519: me->outputfile = outputfile;
! 3520: }
! 3521: else
! 3522: {
! 3523: me->output = stdout;
! 3524: /* we are not expecting to receive any input from the server */
! 3525: me->outputfile = (char *) NULL;
! 3526: }
1.4 cvs 3527:
1.354 gully 3528: #ifdef _WX
3529: char * localfilename = TtaGetRealFileName (fileName);
3530: /* @@IV 18/08/2004 eencode spaces in the local filename */
3531: fileURL = EscapeURL (localfilename);
3532: TtaFreeMemory(localfilename);
3533: #else /* _WX */
1.361 ! vatton 3534: /* @@IV 18/08/2004 eencode spaces in the local filename */
! 3535: fileURL = EscapeURL (fileName);
1.354 gully 3536: #endif /* _WX */
1.361 ! vatton 3537: if (fileURL)
! 3538: {
! 3539: strcpy (file_name, fileURL);
! 3540: TtaFreeMemory (fileURL);
! 3541: }
! 3542: else
! 3543: strcpy (file_name, fileName);
! 3544: fileURL = NULL;
1.347 cvs 3545:
1.340 gully 3546: #ifdef _WINDOWS
1.361 ! vatton 3547: /* libwww's HTParse function doesn't take into account the drive name;
! 3548: so we sidestep it */
! 3549: StrAllocCopy (fileURL, "file:");
! 3550: StrAllocCat (fileURL, file_name);
1.340 gully 3551: #endif /* _WINDOWS */
3552: #if defined(_UNIX)
1.361 ! vatton 3553: fileURL = HTParse (file_name, "file:/", PARSE_ALL);
1.340 gully 3554: #endif /* #if defined(_UNIX) */
1.331 gully 3555:
1.361 ! vatton 3556: me->source = HTAnchor_findAddress (fileURL);
! 3557: HT_FREE (fileURL);
! 3558: strcpy (url_name, me->urlName);
! 3559: me->dest = HTAnchor_findAddress (url_name);
! 3560: /* we memorize the anchor's parent @ as we use it a number of times
! 3561: in the following lines */
! 3562: dest_anc_parent = HTAnchor_parent (me->dest);
! 3563:
! 3564: /*
! 3565: ** Set the Content-Type of the file we are uploading
! 3566: */
! 3567: /* we try to use any content-type previosuly associated
! 3568: with the parent. If it doesn't exist, we try to guess it
! 3569: from the URL */
! 3570: /* @@ JK: trying to use the content type we stored */
! 3571: /*
! 3572: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
! 3573: */
! 3574: tmp2 = NULL;
! 3575: if (!tmp2 || !strcmp (tmp2, "www/unknown"))
! 3576: {
! 3577: HTAtom *tmp_atom;
! 3578: char *s = NULL;
1.276 kahan 3579:
1.361 ! vatton 3580: tmp_atom = AHTGuessAtom_for (me->urlName, contentType);
! 3581: if (tmp_atom)
! 3582: s = HTAtom_name (tmp_atom);
! 3583: if (!tmp_atom || (s && !strcmp (s, "www/unknown")))
! 3584: {
! 3585: /* ask the user for a MIME type */
! 3586: }
! 3587: HTAnchor_setFormat (dest_anc_parent, tmp_atom);
! 3588: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
! 3589: }
! 3590: /* .. and we give the same type to the source anchor */
! 3591: /* we go thru setOutputFormat, rather than change the parent's
! 3592: anchor, as that's the place that libwww expects it to be */
! 3593: HTAnchor_setFormat (HTAnchor_parent (me->source), HTAtom_for (tmp2));
! 3594:
! 3595: HTRequest_setOutputFormat (me->request, HTAtom_for (tmp2));
! 3596:
! 3597: /*
! 3598: ** Set the Charset of the file we are uploading
! 3599: */
! 3600: /* we set the charset as indicated in the document's metadata
! 3601: structure (and only if it exists) */
! 3602: charset = TtaGetDocumentCharset (docid);
! 3603: if (charset != UNDEFINED_CHARSET)
! 3604: {
! 3605: tmp = TtaGetCharsetName (charset);
! 3606: if (tmp && *tmp != EOS)
! 3607: {
! 3608: tmp2 = TtaStrdup (tmp);
! 3609: HTAnchor_setCharset (dest_anc_parent, HTAtom_for (tmp2));
! 3610: TtaFreeMemory (tmp2);
! 3611: tmp2 = HTAtom_name (HTAnchor_charset (dest_anc_parent));
! 3612: /* .. and we give the same charset to the source anchor */
! 3613: /* we go thru setCharSet, rather than change the parent's
! 3614: anchor, as that's the place that libwww expects it to be */
! 3615: HTAnchor_setCharset (HTAnchor_parent (me->source),
! 3616: HTAtom_for (tmp2));
! 3617: }
! 3618: }
! 3619:
! 3620: /*
! 3621: ** define other request characteristics
! 3622: */
! 3623: HTRequest_setPreemptive (me->request, NO);
! 3624:
! 3625: /*
! 3626: ** Make sure that the first request is flushed immediately and not
! 3627: ** buffered in the output buffer
! 3628: */
! 3629: if (mode & AMAYA_FLUSH_REQUEST)
! 3630: HTRequest_setFlush(me->request, YES);
1.168 cvs 3631:
1.361 ! vatton 3632: /* Should we use preconditions? */
! 3633: if (lost_update_check)
! 3634: {
! 3635: if (UsePreconditions)
! 3636: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
1.172 cvs 3637:
1.361 ! vatton 3638: if (etag)
! 3639: {
! 3640: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
! 3641: }
! 3642: else
! 3643: {
! 3644: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
! 3645: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
! 3646: HT_FILTER_MIDDLE, YES);
! 3647: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
! 3648: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
! 3649: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
! 3650: HT_REAUTH, HT_FILTER_MIDDLE, YES);
! 3651: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
! 3652: HT_ALL, HT_FILTER_MIDDLE, YES);
! 3653: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
! 3654: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
! 3655: }
! 3656: }
! 3657: else
! 3658: {
! 3659: /* don't use preconditions */
! 3660: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
! 3661: }
1.151 cvs 3662:
1.361 ! vatton 3663: /* don't use the cache while saving a document */
! 3664: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 3665:
1.318 kahan 3666: #if 0
1.361 ! vatton 3667: /* Throw away any reponse body */
! 3668: /*
! 3669: HTRequest_setOutputStream (me->request, HTBlackHole());
! 3670: */
! 3671: HTRequest_setOutputStream (me->request, NULL);
1.318 kahan 3672: #endif
1.164 cvs 3673:
1.361 ! vatton 3674: /* prepare the URLname that will be displayed in the status bar */
! 3675: ChopURL (me->status_urlName, me->urlName);
! 3676: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING), me->status_urlName);
1.114 cvs 3677:
1.297 kirschpi 3678:
3679: #ifdef DAV
1.361 ! vatton 3680: /* MKP: for a PUT request, try to add an "If" header (lock information)
! 3681: * for a HEAD request, leave this for check_handler */
! 3682: if ( !(lost_update_check && (!UsePreconditions || !etag)) )
! 3683: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 3684: #endif /* DAV */
1.297 kirschpi 3685:
3686:
1.361 ! vatton 3687: /* make the request */
! 3688: if (lost_update_check && (!UsePreconditions || !etag))
! 3689: status = HTHeadAnchor (me->dest, me->request);
! 3690: else
! 3691: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
! 3692:
! 3693: if (status == YES && me->reqStatus != HT_ERR)
! 3694: {
! 3695: /* part of the stop button handler */
! 3696: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
! 3697: status = LoopForStop (me);
! 3698: }
! 3699: if (!HTRequest_kill (me->request))
! 3700: AHTReqContext_delete (me);
1.168 cvs 3701:
1.361 ! vatton 3702: TtaHandlePendingEvents ();
1.90 cvs 3703:
1.361 ! vatton 3704: return (status == YES ? 0 : -1);
1.28 cvs 3705: }
1.4 cvs 3706:
1.5 cvs 3707: /*----------------------------------------------------------------------
1.138 cvs 3708: StopRequest
1.17 cvs 3709: stops (kills) all active requests associated with a docid
1.5 cvs 3710: ----------------------------------------------------------------------*/
1.4 cvs 3711: void StopRequest (int docid)
3712: {
1.361 ! vatton 3713: if (Amaya && CanDoStop ())
! 3714: {
1.139 cvs 3715: #if 0 /* for later */
1.361 ! vatton 3716: AHTDocId_Status *docid_status;
! 3717: /* verify if there are any requests at all associated with docid */
! 3718: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
! 3719: Amaya->docid_status);
! 3720: if (docid_status == (AHTDocId_Status *) NULL)
! 3721: return;
1.139 cvs 3722: #endif /* 0 */
1.138 cvs 3723: /* temporary call to stop all requests, as libwww changed its API */
1.361 ! vatton 3724: StopAllRequests (docid);
! 3725: }
1.138 cvs 3726: }
3727:
1.190 cvs 3728: /* @@@ the docid parameter isn't used... clean it up */
1.138 cvs 3729: /*----------------------------------------------------------------------
3730: StopAllRequests
3731: stops (kills) all active requests. We use the docid
3732: ----------------------------------------------------------------------*/
3733: void StopAllRequests (int docid)
3734: {
1.361 ! vatton 3735: HTList *cur;
! 3736: AHTReqContext *me;
! 3737: static ThotBool lock_stop = 0;
! 3738: ThotBool async_flag;
! 3739: AHTReqStatus old_reqStatus;
! 3740:
! 3741: /* only do the stop if we're not being called while processing a
! 3742: request, and if we're not already dealing with a stop */
! 3743: if (Amaya && CanDoStop () && !lock_stop)
! 3744: {
1.100 cvs 3745: #ifdef DEBUG_LIBWWW
1.361 ! vatton 3746: fprintf (stderr, "StopRequest: number of Amaya requests "
! 3747: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 3748: #endif /* DEBUG_LIBWWW */
1.150 cvs 3749: /* enter the critical section */
1.361 ! vatton 3750: lock_stop = TRUE;
! 3751: /* set a module global variable so that we can do special
! 3752: processing easier */
! 3753: UserAborted_flag = TRUE;
! 3754: /* abort all outstanding libwww UI dialogues */
! 3755: CallbackDialogue (BaseDialog + FormAnswer, STRING_DATA, NULL);
! 3756: CallbackDialogue (BaseDialog + ConfirmForm, INTEGER_DATA, NULL);
! 3757: /* expire all outstanding timers */
! 3758: HTTimer_expireAll ();
! 3759: /* HTNet_killAll (); */
! 3760: if (Amaya->open_requests)
! 3761: {
! 3762: cur = Amaya->reqlist;
! 3763: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
! 3764: {
! 3765: if (AmayaIsAlive ())
! 3766: {
1.161 cvs 3767: #ifdef DEBUG_LIBWWW
1.361 ! vatton 3768: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 3769: #endif /* DEBUG_LIBWWW */
1.245 kahan 3770:
1.361 ! vatton 3771: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
! 3772: {
! 3773: if ((me->mode & AMAYA_ASYNC)
! 3774: || (me->mode & AMAYA_IASYNC))
! 3775: async_flag = TRUE;
! 3776: else
! 3777: async_flag = FALSE;
1.245 kahan 3778:
1.361 ! vatton 3779: /* change the status to say that the request aborted */
! 3780: /* if the request was "busy", we just change a flag to say so and
! 3781: let the handler finish the processing itself */
! 3782: old_reqStatus = me->reqStatus;
! 3783: me->reqStatus = HT_ABORT;
! 3784: if (old_reqStatus == HT_BUSY)
! 3785: continue;
1.245 kahan 3786:
1.361 ! vatton 3787: /* kill the request, using the appropriate function */
! 3788: if (me->request->net)
! 3789: HTNet_killPipe (me->request->net);
! 3790: else
! 3791: {
! 3792: if (me->terminate_cbf)
! 3793: (*me->terminate_cbf) (me->docid, -1, me->urlName,
! 3794: me->outputfile,
! 3795: NULL,
! 3796: me->context_tcbf);
1.245 kahan 3797:
1.361 ! vatton 3798: if (async_flag)
! 3799: /* explicitly free the request context for async
! 3800: requests. The sync requests context is freed
! 3801: by LoopForStop */
! 3802: AHTReqContext_delete (me);
! 3803: }
! 3804: cur = Amaya->reqlist;
! 3805: }
1.344 vatton 3806: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.142 cvs 3807: #ifdef WWW_XWINDOWS
1.361 ! vatton 3808: /* to be on the safe side, remove all outstanding
! 3809: X events */
! 3810: else
! 3811: RequestKillAllXtevents (me);
1.142 cvs 3812: #endif /* WWW_XWINDOWS */
1.344 vatton 3813: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.361 ! vatton 3814: }
! 3815: }
! 3816: /* Delete remaining channels */
! 3817: HTChannel_safeDeleteAll ();
! 3818: }
! 3819: /* reset the stop status */
! 3820: UserAborted_flag = FALSE;
! 3821: /* exit the critical section */
! 3822: lock_stop = FALSE;
1.100 cvs 3823: #ifdef DEBUG_LIBWWW
1.361 ! vatton 3824: fprintf (stderr, "StopRequest: number of Amaya requests "
! 3825: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 3826: #endif /* DEBUG_LIBWWW */
1.361 ! vatton 3827: }
1.138 cvs 3828: } /* StopAllRequests */
1.17 cvs 3829:
3830:
1.105 cvs 3831: /*----------------------------------------------------------------------
3832: AmayaIsAlive
1.140 cvs 3833: returns the value of the AmayaAlive_flag
1.105 cvs 3834: ----------------------------------------------------------------------*/
1.191 cvs 3835: ThotBool AmayaIsAlive (void)
1.105 cvs 3836: {
1.140 cvs 3837: return AmayaAlive_flag;
3838: }
3839:
3840: /*----------------------------------------------------------------------
3841: CanDoStop
3842: returns the value of the CanDoStop flag
3843: ----------------------------------------------------------------------*/
1.191 cvs 3844: ThotBool CanDoStop (void)
1.140 cvs 3845: {
3846: return CanDoStop_flag;
3847: }
3848:
3849: /*----------------------------------------------------------------------
3850: CanDoStop_set
3851: sets the value of the CanDoStop flag
3852: ----------------------------------------------------------------------*/
1.191 cvs 3853: void CanDoStop_set (ThotBool value)
1.140 cvs 3854: {
3855: CanDoStop_flag = value;
1.176 cvs 3856: }
3857:
1.265 cvs 3858: /*----------------------------------------------------------------------
3859: ----------------------------------------------------------------------*/
1.176 cvs 3860: void libwww_updateNetworkConf (int status)
3861: {
3862: /* @@@ the docid parameter isn't used... clean it up */
3863: int docid = 1;
3864:
3865: /* first, stop all current requests, as the network
1.361 ! vatton 3866: may make some changes */
1.176 cvs 3867: StopAllRequests (docid);
1.207 cvs 3868:
3869: if (status & AMAYA_SAFEPUT_RESTART)
3870: {
3871: SafePut_delete ();
3872: SafePut_init ();
3873: }
1.176 cvs 3874:
3875: if (status & AMAYA_PROXY_RESTART)
3876: {
3877: HTProxy_deleteAll ();
3878: ProxyInit ();
3879: }
3880:
3881: if (status & AMAYA_CACHE_RESTART)
3882: {
3883: clear_cachelock ();
3884: HTCacheTerminate ();
3885: HTCacheMode_setEnabled (NO);
3886: CacheInit ();
3887: }
1.193 cvs 3888:
3889: if (status & AMAYA_LANNEG_RESTART)
3890: {
3891: /* clear the current values */
3892: if (acceptLanguages)
1.361 ! vatton 3893: HTLanguage_deleteAll (acceptLanguages);
1.193 cvs 3894: /* read in the new ones */
3895: acceptLanguages = HTList_new ();
3896: AHTAcceptLanguagesInit (acceptLanguages);
3897: }
1.105 cvs 3898: }
1.246 kahan 3899:
3900: /****************************************************************************
3901: ** The following two functions allow to set and read the value of *
3902: ** the FTPURL_flag. If this flag is true, it means we can browse FTP URLs *
3903: ***************************************************************************/
3904:
3905: /*----------------------------------------------------------------------
3906: AHT_FTPURL_flag_set
3907: ----------------------------------------------------------------------*/
3908: void AHTFTPURL_flag_set (ThotBool value)
3909: {
3910: FTPURL_flag = value;
3911: }
3912:
3913: /*----------------------------------------------------------------------
3914: AHT_FTPURL_flag
3915: ----------------------------------------------------------------------*/
3916: ThotBool AHTFTPURL_flag (void)
3917: {
3918: return (FTPURL_flag);
3919: }
1.308 kahan 3920:
3921:
3922: /*----------------------------------------------------------------------
3923: CheckSingleInstance
3924: Returns TRUE if this is the single instance of Amaya in the system,
3925: FALSE otherwise.
3926: N.B. : This implementation is naif.
3927: ----------------------------------------------------------------------*/
3928: ThotBool CheckSingleInstance (char *pid_dir)
3929: {
1.337 cvs 3930: #ifdef _WINGUI
1.308 kahan 3931: HWND hwnd;
3932:
1.310 cvs 3933: hwnd = FindWindow ("Amaya", NULL);
1.308 kahan 3934:
3935: if (!hwnd)
3936: return TRUE;
3937: else
3938: return FALSE;
3939:
1.337 cvs 3940: #endif /* _WINGUI */
1.308 kahan 3941:
1.338 cvs 3942: #ifdef _WX
3943: /* TODO */
3944: return TRUE;
3945: #endif /* _WX */
3946:
1.344 vatton 3947: #if defined(_GTK) || defined(_NOGUI)
1.308 kahan 3948: int instances;
3949: char *ptr;
3950: pid_t pid;
3951:
3952: DIR *dp;
3953: struct stat st;
3954: #ifdef HAVE_DIRENT_H
3955: struct dirent *d;
3956: #else
3957: struct direct *d;
3958: #endif /* HAVE_DIRENT_H */
3959: char filename[BUFSIZ+1];
3960:
3961: if ((dp = opendir (pid_dir)) == NULL)
3962: {
3963: /* @@@ we couldn't open the directory ... we need some msg */
3964: perror (pid_dir);
3965: return FALSE;
3966: }
3967:
3968: instances = 0;
3969:
3970: while ((d = readdir (dp)) != NULL)
3971: {
3972: /* skip the UNIX . and .. links */
3973: if (!strcmp (d->d_name, "..")
1.361 ! vatton 3974: || !strcmp (d->d_name, "."))
! 3975: continue;
1.308 kahan 3976:
3977: sprintf (filename, "%s%c%s", pid_dir, DIR_SEP, d->d_name);
3978: if (lstat (filename, &st) < 0 )
1.361 ! vatton 3979: {
! 3980: /* @@2 need some error message */
! 3981: perror (filename);
! 3982: continue;
! 3983: }
1.308 kahan 3984:
3985: switch (st.st_mode & S_IFMT)
1.361 ! vatton 3986: {
! 3987: case S_IFDIR:
! 3988: case S_IFLNK:
! 3989: /* skip any links and directories that we find */
! 3990: continue;
! 3991: break;
! 3992: default:
! 3993: /* check if this pid exists. If not, erase it */
! 3994: ptr = strrchr (filename, DIR_SEP);
! 3995: if (!ptr)
! 3996: continue;
! 3997: sscanf (ptr, DIR_STR"%d", &pid);
! 3998: if (kill (pid, 0) == -1)
! 3999: {
! 4000: /* erase the stale pid file */
! 4001: TtaFileUnlink (filename);
! 4002: }
! 4003: else /* we found one live instance */
! 4004: {
! 4005: instances++;
! 4006: }
! 4007: break;
! 4008: }
1.308 kahan 4009: }
4010: closedir (dp);
4011: return (instances == 0);
1.344 vatton 4012: #endif /* #if defined(_GTK) || defined(_NOGUI) */
1.331 gully 4013:
1.308 kahan 4014: }
4015:
4016: /*----------------------------------------------------------------------
4017: FreeAmayaCache
4018: ----------------------------------------------------------------------*/
4019: void FreeAmayaCache (void)
4020: {
1.340 gully 4021: #if defined(_UNIX)
1.308 kahan 4022: char str[MAX_LENGTH];
4023: pid_t pid;
4024:
4025: /* unregister this instance of Amaya */
4026: pid = getpid ();
4027: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
4028: if (TtaFileExist (str))
4029: TtaFileUnlink (str);
1.340 gully 4030: #endif /* #if defined(_UNIX) */
1.308 kahan 4031: }
4032:
4033: /*----------------------------------------------------------------------
4034: InitAmayaCache
4035: Create the temporary sub-directories for storing the HTML and
4036: other downloaded files.
4037: ----------------------------------------------------------------------*/
4038: void InitAmayaCache (void)
4039: {
4040: ThotBool can_erase;
4041: int i;
4042: char str[MAX_LENGTH];
4043: char *ptr;
1.340 gully 4044: #if defined(_UNIX)
1.308 kahan 4045: pid_t pid;
4046: int fd_pid;
1.340 gully 4047: #endif /* #if defined(_UNIX) */
1.308 kahan 4048:
1.340 gully 4049: #if defined(_UNIX)
1.308 kahan 4050: /* create the temp dir for the Amaya pid */
4051: sprintf (str, "%s%cpid", TempFileDirectory, DIR_SEP);
4052: TtaMakeDirectory (str);
1.340 gully 4053: #endif /* #if defined(_UNIX) */
1.308 kahan 4054:
4055: /* protection against dir names that have . in them to avoid
4056: erasing everything by accident */
4057: ptr = TempFileDirectory;
4058: can_erase = TRUE;
1.351 gully 4059: #ifdef _UNIX
1.308 kahan 4060: while (*ptr && can_erase)
4061: {
4062: if (*ptr == '.')
1.361 ! vatton 4063: {
! 4064: if (*(ptr + 1) == '.')
! 4065: can_erase = FALSE;
! 4066: else
! 4067: ptr++;
! 4068: continue;
! 4069: }
1.308 kahan 4070: else if (*ptr == '~')
1.361 ! vatton 4071: can_erase = FALSE;
1.351 gully 4072: else if (!isalnum (*ptr) && *ptr != SPACE && *ptr != DIR_SEP && *ptr != ':')
1.361 ! vatton 4073: can_erase = FALSE;
1.308 kahan 4074: ptr++;
4075: }
1.351 gully 4076: #endif /* _UNIX */
1.308 kahan 4077:
1.333 vatton 4078: /* Detect if it's a unique instance */
4079: AmayaUniqueInstance = CheckSingleInstance (str);
4080: if (can_erase && AmayaUniqueInstance)
1.308 kahan 4081: {
4082: /* Erase the previous directories */
4083: for (i = 0; i < DocumentTableLength; i++)
1.361 ! vatton 4084: {
! 4085: sprintf (str, "%s%c%d%c", TempFileDirectory, DIR_SEP, i, DIR_SEP);
! 4086: RecCleanCache (str);
! 4087: }
1.308 kahan 4088: }
4089:
4090: /* create the temporary cache directories if they don't exit*/
4091: for (i = 0; i < DocumentTableLength; i++)
4092: {
4093: sprintf (str, "%s%c%d", TempFileDirectory, DIR_SEP, i);
4094: TtaMakeDirectory (str);
4095: }
4096:
1.340 gully 4097: #if defined(_UNIX)
1.308 kahan 4098: /* register this instance of Amaya */
4099: pid = getpid ();
4100: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
4101: fd_pid = open (str, O_CREAT, S_IRUSR | S_IWUSR );
4102: if (fd_pid != -1)
4103: close (fd_pid);
4104: else
4105: printf ("Couldn't create fd_pid %s\n", str);
1.340 gully 4106: #endif /* #if defined(_UNIX) */
1.308 kahan 4107: }
1.325 kahan 4108:
4109: /*-----------------------------------------------------------------------
4110: ClearCacheEntry
4111: Clears the libwww cache entry for the corresponding URL, if it exists.
4112: -----------------------------------------------------------------------*/
4113: void ClearCacheEntry (char *url)
4114: {
4115: HTCache * cache;
4116: HTAnchor * anchor;
4117: HTParentAnchor * panchor;
4118:
4119: if (!url || !*url)
4120: return;
4121:
4122: anchor = HTAnchor_findAddress (url);
4123: panchor = HTAnchor_parent (anchor);
4124: cache = HTCache_find (panchor, NULL);
4125: if (cache)
4126: HTCache_remove (cache);
4127: }
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