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