Annotation of Amaya/amaya/query.c, revision 1.349
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:
1.337 cvs 146: #ifdef _WINGUI
1.70 cvs 147: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.337 cvs 148: #endif /* _WINGUI */
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
1.138 cvs 655: fclose (me->output);
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:
1.340 gully 805: #if defined(_UNIX)
1.83 cvs 806: if (!(me->output) &&
807: (me->output != stdout) &&
1.265 cvs 808: (me->output = fopen (me->outputfile, "w")) == NULL)
1.340 gully 809: #endif /* #if defined(_UNIX) */
810: #ifdef _WINDOWS
1.336 gully 811: if (!(me->output) &&
812: (me->output != stdout) &&
1.265 cvs 813: (me->output = fopen (me->outputfile, "wb")) == NULL)
1.340 gully 814: #endif /* _WINDOWS */
1.331 gully 815: {
1.131 cvs 816: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 817: #ifdef DEBUG_LIBWWW
818: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
819: #endif
1.265 cvs 820: TtaSetStatus (me->docid, 1,
821: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
822: me->outputfile);
1.83 cvs 823: me->reqStatus = HT_ERR;
824: return (HT_ERROR);
825: }
826:
827: HTRequest_setOutputStream (me->request,
1.265 cvs 828: AHTFWriter_new (me->request, me->output, YES));
1.83 cvs 829: me->reqStatus = HT_WAITING;
1.318 kahan 830:
1.83 cvs 831: return HT_OK;
832: }
833:
834: /*----------------------------------------------------------------------
1.265 cvs 835: SafePut_init
836: Sets up the domains which are authorized to make a redirect on
837: a PUT.
838: ----------------------------------------------------------------------*/
839: static void SafePut_init (void)
840: {
841: char *strptr;
1.266 cvs 842: char *ptr, *ptr2;
843: char *domain;
1.265 cvs 844:
845: /* get the proxy settings from the thot.ini file */
846: strptr = TtaGetEnvString ("SAFE_PUT_REDIRECT");
847: if (strptr && *strptr)
848: {
849: /* Get copy we can mutilate */
1.266 cvs 850: ptr2 = TtaStrdup (strptr);
1.265 cvs 851: /* convert to lowercase */
1.266 cvs 852: ptr = ptr2;
1.265 cvs 853: while (*ptr)
854: {
855: *ptr = tolower (*ptr);
856: ptr++;
857: }
858:
859: /* create the list container */
1.266 cvs 860: safeput_list = HTList_new ();
861:
1.265 cvs 862: /* store the domain list */
1.266 cvs 863: ptr = ptr2;
864: while ((domain = HTNextField (&ptr)) != NULL)
1.265 cvs 865: HTList_addObject (safeput_list, TtaStrdup (domain));
866:
867: TtaFreeMemory (ptr2);
868: }
869: }
870:
871: /*----------------------------------------------------------------------
872: SafePut_delete
873: Deletes the safeput_list variable
874: ----------------------------------------------------------------------*/
875: static void SafePut_delete (void)
876: {
877: HTList *cur = safeput_list;
878: char *domain;
879:
880: if (!safeput_list)
881: return;
882:
883: while ((domain = (char *) HTList_nextObject (cur)))
884: TtaFreeMemory (domain);
885: HTList_delete (safeput_list);
886: safeput_list = NULL;
887: }
888:
889: /*----------------------------------------------------------------------
890: SafePut_query
1.328 quint 891: returns true if the domain to which the URL belongs accepts an automatic
1.265 cvs 892: PUT redirect.
893: ----------------------------------------------------------------------*/
894: static ThotBool SafePut_query (char *url)
895: {
1.266 cvs 896: HTList *cur;
897: char *me;
898: ThotBool found;
899: char tmp[MAX_LENGTH];
1.265 cvs 900:
901: /* extract the domain path of the url and normalize it */
902: /* domain = url; */
903: cur = safeput_list;
904: found = FALSE;
905:
1.266 cvs 906: while ((me = (char *) HTList_nextObject (cur)))
907: {
1.273 cvs 908: strcpy (tmp, me);
1.266 cvs 909: if (strstr (url, tmp))
910: {
911: found = TRUE;
912: break;
913: }
1.328 quint 914: }
1.265 cvs 915:
916: return (found);
917: }
918:
919: /*----------------------------------------------------------------------
1.17 cvs 920: redirection_handler
921: this function is registered to handle permanent and temporary
922: redirections.
923: ----------------------------------------------------------------------*/
1.265 cvs 924: static int redirection_handler (HTRequest *request, HTResponse *response,
925: void *param, int status)
1.4 cvs 926: {
1.265 cvs 927: HTAnchor *new_anchor = HTResponse_redirection (response);
1.334 gully 928: AHTReqContext *me = (AHTReqContext *)HTRequest_context (request);
1.265 cvs 929: HTMethod method = HTRequest_method (request);
930: char *ref;
931: char *escape_src, *dst;
932: char urlAdr[MAX_LENGTH];
933:
934: if (!me)
935: /* if the redirect doesn't come from Amaya, we call libwww's standard redirect filter */
936: return (HTRedirectFilter (request, response, param, status));
937:
938: if (!new_anchor)
939: {
940: if (PROT_TRACE)
1.235 cvs 941: HTTrace ("Redirection. No destination\n");
1.265 cvs 942: return HT_OK;
943: }
1.4 cvs 944:
945: /*
1.207 cvs 946: ** Only do redirect on GET, HEAD, and authorized domains for PUT
1.265 cvs 947: */
948: if ((me->method == METHOD_PUT && !SafePut_query (me->urlName)) ||
949: (me->method != METHOD_PUT && !HTMethod_isSafe (method)))
950: {
951: /*
952: ** If we got a 303 See Other then change the method to GET.
953: ** Otherwise ask the user whether we should continue.
954: */
955: if (status == HT_SEE_OTHER)
956: {
1.235 cvs 957: if (PROT_TRACE)
1.265 cvs 958: HTTrace("Redirection. Changing method from %s to GET\n", HTMethod_name(method));
959: HTRequest_setMethod(request, METHOD_GET);
960: }
961: else
962: {
963: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
964: if (prompt)
965: {
966: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION, NULL, NULL, NULL) != YES)
967: {
968: /* the user didn't agree on the redirection, so
969: we consider it's an abort */
970: me->reqStatus = HT_ABORT;
971: /* and we return HT_OK so that the terminate_handler
972: will be called */
973: return HT_OK;
974: }
975: }
976: }
977: }
978:
1.4 cvs 979: /*
1.265 cvs 980: ** Start new request with the redirect anchor found in the headers.
981: ** Note that we reuse the same request object which means that we must
982: ** keep this around until the redirected request has terminated. It also
983: ** allows us in an easy way to keep track of the number of redirections
984: ** so that we can detect endless loops.
985: */
986: if (HTRequest_doRetry (request))
987: {
988: /*
989: ** Start request with new credentials
990: */
991: /* only do a redirect using a network protocol understood by Amaya */
1.328 quint 992: strncpy (urlAdr, new_anchor->parent->address, MAX_LENGTH - 1);
993: urlAdr[MAX_LENGTH - 1] = EOS;
1.265 cvs 994: if (IsValidProtocol (urlAdr))
995: {
996: /* if it's a valid URL, we try to normalize it */
997: /* We use the pre-redirection anchor as a base name */
998: /* @@ how to obtain this address here? */
999: dst = urlAdr;
1000: escape_src = EscapeURL (me->urlName);
1001: if (escape_src)
1002: {
1003: ref = AmayaParseUrl (dst, escape_src, AMAYA_PARSE_ALL);
1.332 kahan 1004: if (me->method != METHOD_PUT)
1005: AHTRequest_setRefererHeader (me);
1.265 cvs 1006: TtaFreeMemory (escape_src);
1007: }
1008: else
1009: ref = NULL;
1010:
1011: if (ref)
1012: {
1013: HTAnchor_setPhysical (HTAnchor_parent (new_anchor), ref);
1014: TtaFreeMemory (ref);
1015: }
1016: else
1017: return HT_OK; /* We can't redirect anymore */
1018: }
1019: else
1020: return HT_OK; /* We can't redirect anymore */
1021:
1022: /* update the current file name */
1023: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC) ||
1024: (me->method == METHOD_PUT))
1025: {
1026: TtaFreeMemory (me->urlName);
1.272 cvs 1027: me->urlName = TtaStrdup (urlAdr);
1.265 cvs 1028: }
1029: else
1030: {
1031: /* it's a SYNC mode, so we should keep the urlName */
1032: strncpy (me->urlName, urlAdr, MAX_LENGTH - 1);
1033: me->urlName[MAX_LENGTH - 1] = EOS;
1034: }
1035: ChopURL (me->status_urlName, me->urlName);
1.166 cvs 1036:
1.265 cvs 1037: /* @@ verify if this is important */
1038: /* @@@ new libwww doesn't need this free stream while making
1039: a PUT. Is it the case everywhere or just for PUT? */
1040: if (me->method != METHOD_PUT &&
1041: me->request->orig_output_stream != NULL)
1042: {
1043: AHTFWriter_FREE (me->request->orig_output_stream);
1044: me->request->orig_output_stream = NULL;
1045: if (me->output != stdout)
1046: {
1047: /* Are we writing to a file? */
1.257 kahan 1048: #ifdef DEBUG_LIBWWW
1.265 cvs 1049: fprintf (stderr, "redirection_handler: New URL is %s, closing FILE %p\n", me->urlName, me->output);
1.257 kahan 1050: #endif
1.265 cvs 1051: fclose (me->output);
1052: me->output = NULL;
1053: }
1054: }
1055:
1056: /* tell the user what we're doing */
1057: TtaSetStatus (me->docid, 1,
1058: TtaGetMessage (AMAYA, AM_RED_FETCHING), me->status_urlName);
1059: /*
1060: ** launch the request
1061: */
1062: /* add a link relationship? */
1063: /* reset the request status */
1064: me->reqStatus = HT_NEW;
1065: /* clear the errors */
1066: HTError_deleteAll (HTRequest_error (request));
1067: HTRequest_setError (request, NULL);
1068: /* clear the authentication credentials, as they get regenerated */
1069: HTRequest_deleteCredentialsAll (request);
1.297 kirschpi 1070:
1071: #ifdef DAV
1.299 kirschpi 1072: /* remove the old header "If" (WebDAV lock information) */
1.297 kirschpi 1073: DAVRemoveIfHeader (me);
1074:
1075: /* search lock information for the new url */
1076: if (me->method == METHOD_POST || me->method == METHOD_PUT)
1077: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1078: #endif /* DAV */
1.265 cvs 1079:
1080: if (me->method == METHOD_POST || me->method == METHOD_PUT)
1.285 kahan 1081: {
1082: /* PUT, POST etc. */
1083: /* for PUT, we memorize there was a redirection, so that we
1084: can clear the original cache entry in the terminate_handler */
1085: if (me->method == METHOD_PUT)
1086: me->put_redirection = TRUE;
1087: status = HTLoadAbsolute (me->urlName, request);
1088: }
1.265 cvs 1089: else
1090: HTLoadAnchor (new_anchor, request);
1091: }
1092: else
1093: {
1094: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT, NULL, 0, "HTRedirectFilter");
1095: /* so that we can show the error message */
1096: if (me->error_html)
1097: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1098: me->reqStatus = HT_ERR;
1099: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT), NULL);
1100: }
1101:
1.4 cvs 1102: /*
1.74 cvs 1103: ** By returning HT_ERROR we make sure that this is the last handler to be
1104: ** called. We do this as we don't want any other filter to delete the
1105: ** request object now when we have just started a new one ourselves
1106: */
1.4 cvs 1107: return HT_ERROR;
1108: }
1109:
1.151 cvs 1110: #ifdef AMAYA_LOST_UPDATE
1111: /*----------------------------------------------------------------------
1112: precondition_handler
1113: 412 "Precondition failed" handler
1114: ----------------------------------------------------------------------*/
1.265 cvs 1115: static int precondition_handler (HTRequest *request, HTResponse *response,
1116: void *context, int status)
1.151 cvs 1117: {
1.315 vatton 1118: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.168 cvs 1119: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.315 vatton 1120: ThotBool force_put;
1.151 cvs 1121:
1122: if (!me)
1123: return HT_OK; /* not an Amaya request */
1124:
1.168 cvs 1125: if (prompt)
1.315 vatton 1126: {
1127: if (me->method == METHOD_GET)
1.316 vatton 1128: {
1.315 vatton 1129: /* @@@@ IV */
1.316 vatton 1130: (*prompt) (request, HT_A_CONFIRM, status, NULL, NULL, NULL);
1131: force_put = NO;
1132: }
1.315 vatton 1133: else
1134: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_RULES,
1135: NULL, NULL, NULL);
1136: }
1.168 cvs 1137: else
1138: force_put = NO;
1139:
1140: if (force_put)
1141: {
1.297 kirschpi 1142: #ifdef DAV
1143: BOOL noIf = NO;
1144:
1145: /* MKP: if the old request has preconditions, *
1146: * then, we supose that these preconditions *
1147: * caused the 412 Precondition Failed status *
1148: * code, otherwise we supose that the cause *
1149: * was an eventual If header. */
1.315 vatton 1150: if (HTRequest_preconditions(me->request) != HT_NO_MATCH)
1.297 kirschpi 1151: noIf = NO;
1152: else
1153: noIf = YES;
1.302 kirschpi 1154: #endif /* DAV */
1.297 kirschpi 1155:
1156:
1.168 cvs 1157: /* start a new PUT request without preconditions */
1158: /* @@ do we need to kill the request? */
1159: if (me->output && me->output != stdout)
1160: {
1161: fclose (me->output);
1162: me->output = NULL;
1163: }
1164: /*
1165: ** reset the Amaya and libwww request status
1166: */
1.176 cvs 1167:
1168: /* start with a new, clean request structure */
1169: HTRequest_delete (me->request);
1170: me->request = HTRequest_new ();
1171: /* clean the associated file structure) */
1172: HTRequest_setOutputStream (me->request, NULL);
1173: /* Initialize the other members of the structure */
1.171 cvs 1174: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1175: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1176: HTRequest_setContext (me->request, me);
1177: HTRequest_setPreemptive (me->request, NO);
1178: /*
1179: ** Make sure that the first request is flushed immediately and not
1180: ** buffered in the output buffer
1181: */
1182: if (me->mode & AMAYA_FLUSH_REQUEST)
1183: HTRequest_setFlush(me->request, YES);
1184:
1.171 cvs 1185: /* turn off preconditions */
1186: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1187: me->reqStatus = HT_NEW;
1.297 kirschpi 1188:
1189:
1190: #ifdef DAV
1.302 kirschpi 1191: /* MKP: add an If header (lock information) only
1192: * if there wasn't preconditions */
1.315 vatton 1193: if (noIf != YES)
1194: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.297 kirschpi 1195: #endif /* DAV */
1196:
1197:
1.171 cvs 1198: /* make the request */
1.176 cvs 1199: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1200: me->dest, me->request);
1.168 cvs 1201: /* stop here */
1202: return HT_ERROR;
1203: }
1204: else
1205: {
1206: /* abort the request */
1207: /* @@ should we call StopRequest here? */
1208: me->reqStatus = HT_ABORT;
1209: /* stop here */
1210: return HT_ERROR;
1211: }
1212: }
1.151 cvs 1213:
1.168 cvs 1214: /*----------------------------------------------------------------------
1215: check_handler
1216: Request HEAD checker filter
1217: ----------------------------------------------------------------------*/
1218: static int check_handler (HTRequest * request, HTResponse * response,
1.151 cvs 1219: void * param, int status)
1220: {
1.168 cvs 1221: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1222: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 1223: ThotBool force_put;
1.168 cvs 1224:
1225: if (!me)
1226: return HT_OK; /* not an Amaya request */
1227:
1228: HTRequest_deleteAfter(me->request, check_handler);
1229: /*
1230: ** If head request showed that the document doesn't exist
1231: ** then just go ahead and PUT it. Otherwise ask for help
1232: */
1233: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
1234: {
1235: /* we'd need to call terminate_handler, to free the resources */
1236: /* abort the request */
1237: /* @@ should we call StopRequest here? */
1238: me->reqStatus = HT_ABORT;
1239: /* stop here */
1240: return HT_ERROR;
1241: }
1242: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
1243: {
1244: /* we'd need to call terminate_handler, to free the resources */
1245: /* abort the request */
1246: /* @@ should we call StopRequest here? */
1247: me->reqStatus = HT_ABORT;
1248: /* stop here */
1249: return HT_ERROR;
1250: }
1251: else if ( (abs(status)/100) != 2)
1252: {
1.176 cvs 1253: /* start with a new, clean request structure */
1254: HTRequest_delete (me->request);
1255: me->request = HTRequest_new ();
1.208 cvs 1256: /* add the default PUT name */
1257: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1258: /* clean the associated file structure) */
1259: HTRequest_setOutputStream (me->request, NULL);
1260: /* Initialize the other members of the structure */
1.171 cvs 1261: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1262: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1263: HTRequest_setContext (me->request, me);
1264: HTRequest_setPreemptive (me->request, NO);
1265: /*
1266: ** Make sure that the first request is flushed immediately and not
1267: ** buffered in the output buffer
1268: */
1269: if (me->mode & AMAYA_FLUSH_REQUEST)
1270: HTRequest_setFlush(me->request, YES);
1.297 kirschpi 1271:
1272: #ifdef DAV
1.302 kirschpi 1273: /* MKP: try to add an "If" header (lock information)
1274: * Such header will be added only if there is a
1275: * lock information in the local base. */
1.297 kirschpi 1276: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1277: #endif /* DAV */
1.297 kirschpi 1278:
1.176 cvs 1279:
1280: /* turn on the special preconditions, to avoid having this
1281: ressource appear before we do the PUT */
1.168 cvs 1282: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 1283: me->reqStatus = HT_NEW;
1.168 cvs 1284: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1285: return HT_ERROR; /* stop here */
1.176 cvs 1286: }
1.168 cvs 1287: else
1288: {
1289: if (prompt)
1290: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE,
1291: NULL, NULL, NULL);
1292: else
1293: force_put = FALSE;
1294:
1295: if (force_put)
1.151 cvs 1296: {
1297: /* Start a new PUT request without preconditions */
1.176 cvs 1298:
1299: /* get a new, clean request structure */
1300: HTRequest_delete (me->request);
1301: me->request = HTRequest_new ();
1.208 cvs 1302: /* add the default PUT name */
1303: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1304: /* clean the associated file structure) */
1305: HTRequest_setOutputStream (me->request, NULL);
1306: /* Initialize the other members of the structure */
1.171 cvs 1307: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1308: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1309: HTRequest_setContext (me->request, me);
1310: HTRequest_setPreemptive (me->request, NO);
1.297 kirschpi 1311:
1312: #ifdef DAV
1.302 kirschpi 1313: /* MKP: try to add an "If" header (lock information)
1314: * Such header will be added only if there is a
1315: * lock information in the local base. */
1.297 kirschpi 1316: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 1317: #endif /* DAV */
1318:
1.297 kirschpi 1319:
1.176 cvs 1320: /*
1321: ** Make sure that the first request is flushed immediately and not
1322: ** buffered in the output buffer
1323: */
1324: if (me->mode & AMAYA_FLUSH_REQUEST)
1325: HTRequest_setFlush(me->request, YES);
1326: /* remove the preconditions */
1.168 cvs 1327: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1.171 cvs 1328: me->reqStatus = HT_NEW;
1.176 cvs 1329: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1330: me->dest, me->request);
1.168 cvs 1331: return HT_ERROR; /* stop here */
1.151 cvs 1332: }
1.168 cvs 1333: else
1334: {
1335: /* we'd need to call terminate_handler, to free the resources */
1336: /* abort the request */
1337: /* @@ should we call StopRequest here? */
1338: me->reqStatus = HT_ABORT;
1339: /* stop here */
1340: return HT_ERROR;
1341: }
1342: }
1343: return HT_ERROR;
1.151 cvs 1344: }
1345: #endif /* AMAYA_LOST_UPDATE */
1.324 kahan 1346: /*--------------------------- -------------------------------------------
1.17 cvs 1347: terminate_handler
1348: this function is registered to handle the result of the request
1.5 cvs 1349: ----------------------------------------------------------------------*/
1.265 cvs 1350: static int terminate_handler (HTRequest *request, HTResponse *response,
1351: void *context, int status)
1.4 cvs 1352: {
1.116 cvs 1353: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.191 cvs 1354: ThotBool error_flag;
1.116 cvs 1355:
1356: if (!me)
1.214 cvs 1357: return HT_ERROR; /* not an Amaya request */
1.116 cvs 1358:
1359: if (me->reqStatus == HT_END)
1360: /* we have already processed this request! */
1361: return HT_OK;
1362:
1363: /* if Amaya was killed, treat with this request as if it were
1364: issued by a Stop button event */
1365:
1366: if (!AmayaIsAlive ())
1.80 cvs 1367: me->reqStatus = HT_ABORT;
1.220 cvs 1368:
1369: /* trying to protect against this problem... hard to place
1370: the detection elsewhere :-/ */
1.240 cvs 1371: /* @@ JK: Is this still needed? */
1.220 cvs 1372: if (IsHTTP09Error (request))
1373: status = -1;
1374:
1.238 cvs 1375: if (status == HT_LOADED
1376: || status == HT_CREATED
1377: || status == HT_NO_DATA
1.249 kahan 1378: /* JK: removed it as the kludge doesn't seem useful anymore */
1.160 cvs 1379: /* kludge for work around libwww problem */
1.249 kahan 1380: /* || (status == HT_INTERRUPTED && me->method == METHOD_PUT) */
1.116 cvs 1381: #ifdef AMAYA_WWW_CACHE
1382: /* what status to use to know we're downloading from a cache? */
1.238 cvs 1383: || status == HT_NOT_MODIFIED
1384: || status == HT_PARTIAL_CONTENT
1.116 cvs 1385: #endif /* AMAYA_WWW_CACHE */
1.238 cvs 1386: || me->reqStatus == HT_ABORT)
1.74 cvs 1387: error_flag = FALSE;
1.297 kirschpi 1388: #ifdef DAV
1389: else if (status == HT_LOCKED
1390: || status == HT_FAILED_DEPENDENCY
1.302 kirschpi 1391: || status == HT_MULTI_STATUS)
1392: {
1.297 kirschpi 1393: /* WebDAV return codes - they are handled in
1394: * specific filters. We don't need to deal
1395: * with them anymore
1396: */
1397: error_flag = FALSE;
1.302 kirschpi 1398: }
1399: #endif /* DAV */
1.256 kahan 1400: else
1.74 cvs 1401: error_flag = TRUE;
1.130 cvs 1402:
1.285 kahan 1403: /* If we did a PUT that was redirected, clean the original
1404: cache entry */
1405: if (status == 204 && me->method == METHOD_PUT && me->put_redirection)
1406: {
1407: HTCache * cache;
1408: HTParentAnchor * anchor = HTAnchor_parent (me->dest);
1409: cache = HTCache_find (anchor, NULL);
1410: if (cache)
1411: {
1412: /* what a problem... we update the cache with the wrong data
1413: from the response... after the redirection */
1414: HTCache_resetMeta (cache, request, response);
1415: }
1416: else
1417: /* If entry doesn't already exist then create a new entry */
1418: HTCache_touch(request, response, HTAnchor_parent (me->dest));
1419: }
1420:
1.4 cvs 1421: /* output any errors from the server */
1.130 cvs 1422:
1.77 cvs 1423: /*
1.74 cvs 1424: ** me->output = output file which will receive an html file
1425: ** me->error_html = yes, output HTML errors in the screen
1426: ** request->error_stack == if there are any errors, they will be here
1427: ** me->error_stream_size If it's != 0 means an error message has already
1428: ** been written to the stack
1429: */
1430:
1.4 cvs 1431: /* First, we verify if there are any errors and if they are not
1.17 cvs 1432: ** yet written to the error stack. If no, then let's try to write them
1433: ** ourselves
1434: */
1.74 cvs 1435:
1436: #ifdef DEBUG_LIBWWW
1437: fprintf (stderr, "terminate_handler: URL is "
1438: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1439: status);
1.69 cvs 1440: #endif
1.74 cvs 1441:
1.69 cvs 1442: if (me->output && me->output != stdout)
1443: {
1.214 cvs 1444: /* we are writing to a local file */
1.74 cvs 1445: if (me->reqStatus != HT_ABORT)
1.343 kahan 1446: {
1447: /* if the request was not aborted and
1448: there were some errors and we want to print them */
1449:
1450: /* JK: 30/04/2004. The 201 reponse from the annotation server
1451: is being stored inside the error flag! */
1452: if ((status == 201 && me->mode & AMAYA_FILE_POST && me->error_stream)
1453: || (error_flag && me->error_html == TRUE))
1.80 cvs 1454: {
1.314 kahan 1455: /* if the transfer was interrupted, the file may not be
1456: empty. So, we erase it */
1457: fflush (me->output);
1458: rewind (me->output);
1459:
1.80 cvs 1460: if (me->error_stream)
1461: { /* if the stream is non-empty */
1.313 kahan 1462: fprintf (me->output, "%s", me->error_stream);/* output the errors */
1.85 cvs 1463: /* Clear the error context, so that we can deal with
1464: this answer as if it were a normal reply */
1465: HTError_deleteAll( HTRequest_error (request));
1466: HTRequest_setError (request, NULL);
1467: error_flag = 0;
1.74 cvs 1468: }
1469: } /* if error_stack */
1.85 cvs 1470: }
1.314 kahan 1471:
1.85 cvs 1472: /* if != HT_ABORT */
1473:
1474: #ifdef DEBUG_LIBWWW
1475: fprintf (stderr, "terminate_handler: URL is %s, closing "
1476: "FILE %p\n", me->urlName, me->output);
1477: #endif
1.74 cvs 1478: fclose (me->output);
1479: me->output = NULL;
1.69 cvs 1480: }
1.80 cvs 1481:
1.214 cvs 1482: /* a very special handling so that we can put a message box
1483: to tell the user WHAT he has just done... */
1484: if (UserAborted_flag && me->method == METHOD_PUT)
1485: {
1486: HTRequest_addError (request, ERR_FATAL, NO, HTERR_INTERRUPTED,
1.334 gully 1487: (void *)"Operation aborted by user", 0, NULL);
1.214 cvs 1488: }
1489:
1.80 cvs 1490: if (error_flag)
1491: me->reqStatus = HT_ERR;
1.214 cvs 1492: else
1493: if (me->reqStatus != HT_ABORT)
1494: me->reqStatus = HT_END;
1.154 cvs 1495:
1.238 cvs 1496: /* copy the headers in which the application is interested */
1497: HTTP_headers_set (request, response, context, status);
1.114 cvs 1498:
1.115 cvs 1499: /* to avoid a hangup while downloading css files */
1.140 cvs 1500: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1.265 cvs 1501: TtaSetStatus (me->docid, 1,
1502: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1503: me->status_urlName);
1.116 cvs 1504:
1505: /* don't remove or Xt will hang up during the PUT */
1506: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1507: (me->method == METHOD_PUT)))
1.7 cvs 1508: {
1.80 cvs 1509: PrintTerminateStatus (me, status);
1510: }
1.114 cvs 1511:
1.111 cvs 1512: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1513:
1.151 cvs 1514: /* stop here */
1.150 cvs 1515: return HT_ERROR;
1.4 cvs 1516: }
1517:
1.5 cvs 1518: /*----------------------------------------------------------------------
1.17 cvs 1519: AHTLoadTerminate_handler
1.74 cvs 1520: this is an application "AFTER" Callback. It's called by the library
1521: when a request has ended, so that we can setup the correct status.
1.5 cvs 1522: ----------------------------------------------------------------------*/
1.265 cvs 1523: int AHTLoadTerminate_handler (HTRequest *request, HTResponse *response,
1524: void *param, int status)
1.4 cvs 1525: {
1.116 cvs 1526: /** @@@@ use this with printstatus ?? */
1.334 gully 1527: AHTReqContext *me = (AHTReqContext *)HTRequest_context (request);
1.4 cvs 1528: HTAlertCallback *cbf;
1529: AHTDocId_Status *docid_status;
1530:
1.7 cvs 1531: switch (status)
1.116 cvs 1532: {
1533: case HT_LOADED:
1534: if (PROT_TRACE)
1535: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1536: me->status_urlName);
1.4 cvs 1537:
1.116 cvs 1538: docid_status = GetDocIdStatus (me->docid,
1539: Amaya->docid_status);
1.7 cvs 1540:
1.116 cvs 1541: if (docid_status != NULL && docid_status->counter > 1)
1542: TtaSetStatus (me->docid, 1,
1543: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.233 cvs 1544: me->status_urlName);
1.7 cvs 1545: break;
1.116 cvs 1546:
1547: case HT_NO_DATA:
1548: if (PROT_TRACE)
1549: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1550: me->status_urlName);
1.297 kirschpi 1551: #ifdef DAV
1.302 kirschpi 1552: if (me->method==METHOD_UNLOCK)
1553: {
1554: /* MKP: set an appropriate status message */
1.297 kirschpi 1555: TtaSetStatus (me->docid, 1,
1556: TtaGetMessage (AMAYA, AM_UNLOCK_SUCCEED),
1557: NULL);
1.302 kirschpi 1558: }
1.297 kirschpi 1559: else
1.302 kirschpi 1560: #endif /* DAV */
1.297 kirschpi 1561: TtaSetStatus (me->docid, 1,
1.116 cvs 1562: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.233 cvs 1563: me->status_urlName);
1.116 cvs 1564: break;
1565:
1566: case HT_INTERRUPTED:
1567: if (PROT_TRACE)
1568: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1569: me->status_urlName);
1570: TtaSetStatus (me->docid, 1,
1571: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1572: NULL);
1573: break;
1.7 cvs 1574:
1.116 cvs 1575: case HT_RETRY:
1576: if (PROT_TRACE)
1577: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1578: HTResponse_retryTime (response));
1579: TtaSetStatus (me->docid, 1,
1580: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.233 cvs 1581: me->status_urlName);
1.116 cvs 1582: break;
1.7 cvs 1583:
1.247 kahan 1584: case HT_NOT_MODIFIED:
1585: if (PROT_TRACE)
1.265 cvs 1586: HTTrace ("Load End.... NOT MODIFIED (%s)",
1587: me->status_urlName ? me->status_urlName :" <UNKNOWN>");
1.247 kahan 1588: break;
1589:
1.116 cvs 1590: case HT_ERROR:
1591: cbf = HTAlert_find (HT_A_MESSAGE);
1592: if (cbf)
1593: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1594: HTRequest_error (request), NULL);
1.247 kahan 1595: if (PROT_TRACE)
1.265 cvs 1596: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1597: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1598: TtaSetStatus (me->docid, 1,
1599: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.334 gully 1600: me->status_urlName ? me->status_urlName : (char *)"<UNKNOWN>");
1.116 cvs 1601: break;
1.247 kahan 1602:
1603: case HTERR_TIMEOUT:
1604: cbf = HTAlert_find (HT_A_MESSAGE);
1605: if (cbf)
1606: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1607: HTRequest_error (request), NULL);
1.116 cvs 1608: if (PROT_TRACE)
1.265 cvs 1609: HTTrace ("Load End.... REQUEST TIMEOUT: Can't access `%s\'\n",
1610: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1611: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.334 gully 1612: me->status_urlName ? me->status_urlName : (char *)"<UNKNOWN>");
1.116 cvs 1613: break;
1.247 kahan 1614:
1.116 cvs 1615: default:
1616: if (PROT_TRACE)
1617: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1618: break;
1619: }
1620:
1621: return HT_OK;
1622: }
1.7 cvs 1623:
1.248 kahan 1624: /*----------------------------------------------------------------------
1625: LineTrace
1626: Makes a file copy of libwww's traces
1627: ----------------------------------------------------------------------*/
1.116 cvs 1628: static int LineTrace (const char * fmt, va_list pArgs)
1629: {
1.248 kahan 1630: vfprintf (trace_fp, fmt, pArgs);
1631: return (fflush (trace_fp));
1.4 cvs 1632: }
1633:
1.27 cvs 1634: /*----------------------------------------------------------------------
1635: AHTAcceptTypesInit
1.74 cvs 1636: This function prepares the Accept header used by Amaya during
1637: the HTTP content negotiation phase
1.27 cvs 1638: ----------------------------------------------------------------------*/
1639: static void AHTAcceptTypesInit (HTList *c)
1640: {
1.223 cvs 1641: if (c == (HTList *) NULL)
1.27 cvs 1642: return;
1643:
1.223 cvs 1644: /* define here all the mime types that Amaya can accept */
1.27 cvs 1645:
1.223 cvs 1646: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1647: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1648: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1649: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1650: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.183 cvs 1651:
1.27 cvs 1652: /* Define here the equivalences between MIME types and file extensions for
1.223 cvs 1653: the types that Amaya can display */
1.27 cvs 1654:
1.176 cvs 1655: /* Initialize suffix bindings for local files */
1656: HTBind_init();
1657:
1.27 cvs 1658: /* Register the default set of file suffix bindings */
1659: HTFileInit ();
1660:
1.257 kahan 1661: /* Register additional bindings */
1.276 kahan 1662: HTBind_add("htm", "text/html", NULL, "8bit", NULL, 1.0);
1.257 kahan 1663: HTBind_add("tgz", "application/gnutar", NULL, "binary", NULL, 1.0);
1.293 kahan 1664: HTBind_add("mml", AM_MATHML_MIME_TYPE, NULL, "8bit", NULL, 1.0);
1665: HTBind_add("svg", AM_SVG_MIME_TYPE, NULL, "8bit", NULL, 1.0);
1.260 kahan 1666: HTBind_add("xsl", "text/xml", NULL, "8bit", NULL, 1.0);
1.27 cvs 1667: /* Don't do any case distinction */
1668: HTBind_caseSensitive (FALSE);
1669: }
1.4 cvs 1670:
1.5 cvs 1671: /*----------------------------------------------------------------------
1.193 cvs 1672: AHTAcceptLanguagesInit
1673: This function prepares the Accept header used by Amaya during
1674: the HTTP content negotiation phase
1675: ----------------------------------------------------------------------*/
1.196 cvs 1676: static void AHTAcceptLanguagesInit (HTList *c)
1.193 cvs 1677: {
1.265 cvs 1678: char *ptr;
1679: char *lang_list;
1.223 cvs 1680: char s[3];
1.196 cvs 1681: int count, lg;
1682: double quality;
1683: ThotBool still;
1.193 cvs 1684:
1685: if (c == (HTList *) NULL)
1.265 cvs 1686: return;
1.193 cvs 1687:
1.203 cvs 1688: lang_list = TtaGetEnvString ("ACCEPT_LANGUAGES");
1.197 cvs 1689: s[2] = EOS;
1.272 cvs 1690: if (lang_list && *lang_list != EOS)
1.193 cvs 1691: {
1692: /* add the default language first */
1693: HTLanguage_add (c, "*", -1.0);
1694: /* how many languages do we have? */
1.196 cvs 1695: ptr = lang_list;
1696: count = 0;
1.272 cvs 1697: while (*ptr != EOS)
1.265 cvs 1698: {
1.272 cvs 1699: while (*ptr != EOS &&
1.265 cvs 1700: (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1701: /* skip the whole separator */
1702: ptr++;
1703: lg = 0;
1704: while ((*ptr >= 'A' &&
1705: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-')
1706: {
1707: /* it's a new language */
1708: ptr++;
1709: lg++;
1710: }
1711: if (lg >= 2)
1712: count++;
1.272 cvs 1713: if (*ptr != EOS)
1.265 cvs 1714: ptr++;
1715: }
1.193 cvs 1716:
1.196 cvs 1717: if (count > 0)
1.265 cvs 1718: quality = 1.1 - (double) count/10.0;
1.193 cvs 1719: else
1.265 cvs 1720: quality = 1.0;
1.193 cvs 1721:
1.265 cvs 1722: /* Read the languages from the registry, then inject them one, by one.
1723: The first one is the one with the highest priority.
1724: The libwww ask for the lowest priority first.
1.196 cvs 1725: */
1726: ptr--;
1727: still = TRUE;
1.265 cvs 1728: while (count)
1729: {
1730: while (still && (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1731: /* skip the whole separator */
1732: if (ptr > lang_list)
1733: ptr--;
1734: else
1735: still = FALSE;
1736: lg = 0;
1737: while (still &&
1738: ((*ptr >= 'A' &&
1739: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-'))
1740: {
1741: /* it's a new language */
1742: if (ptr > lang_list)
1743: ptr--;
1744: else
1745: still = FALSE;
1746: lg++;
1747: }
1748: if (lg >= 2)
1749: {
1750: if (still)
1751: strncpy (s, &ptr[1], 2);
1752: else
1753: strncpy (s, lang_list, 2);
1754: count--;
1755: HTLanguage_add (c, s, quality);
1756: quality += 0.1;
1757: }
1758: ptr--;
1759: }
1760: }
1.193 cvs 1761: }
1762:
1763: /*----------------------------------------------------------------------
1.17 cvs 1764: AHTConverterInit
1765: Bindings between a source media type and a destination media type
1766: (conversion).
1.5 cvs 1767: ----------------------------------------------------------------------*/
1.15 cvs 1768: static void AHTConverterInit (HTList *c)
1.4 cvs 1769: {
1770: /* Handler for custom http error messages */
1.7 cvs 1771: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 1772:
1773: /*
1774: ** These are converters that converts to something other than www/present,
1775: ** that is not directly outputting someting to the user on the screen
1776: */
1777:
1.223 cvs 1778: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
1779: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
1780: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader, 1.0, 0.0, 0.0);
1781: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue, 1.0, 0.0, 0.0);
1782: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial, 1.0, 0.0, 0.0);
1783: HTConversion_add (c, "multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
1784: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
1.4 cvs 1785:
1786: /*
1.116 cvs 1787: ** The following conversions are converting ASCII output from various
1788: ** protocols to HTML objects.
1789: */
1.223 cvs 1790: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
1.4 cvs 1791:
1792: /*
1.116 cvs 1793: ** We also register a special content type guess stream that can figure out
1794: ** the content type by reading the first bytes of the stream
1795: */
1.223 cvs 1796: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
1.4 cvs 1797:
1.116 cvs 1798: #ifdef AMAYA_WWW_CACHE
1.4 cvs 1799: /*
1.116 cvs 1800: ** Register a persistent cache stream which can save an object to local
1801: ** file
1802: */
1.223 cvs 1803: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter, 1.0, 0.0, 0.0);
1804: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend, 1.0, 0.0, 0.0);
1.306 cheyroul 1805: #endif /*AMAYA_WWW_CACHE*/
1.4 cvs 1806:
1807: /*
1.116 cvs 1808: ** This dumps all other formats to local disk without any further
1809: ** action taken
1810: */
1.223 cvs 1811: HTConversion_add (c, "*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
1.4 cvs 1812: }
1813:
1.27 cvs 1814:
1.15 cvs 1815: /*----------------------------------------------------------------------
1.17 cvs 1816: AHTProtocolInit
1817: Registers all amaya supported protocols.
1.15 cvs 1818: ----------------------------------------------------------------------*/
1.4 cvs 1819: static void AHTProtocolInit (void)
1820: {
1.265 cvs 1821: char *strptr;
1.4 cvs 1822:
1.116 cvs 1823: /*
1824: NB. Preemptive == YES means Blocking requests
1825: Non-preemptive == NO means Non-blocking requests
1826: */
1827: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1828: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1829: HTBufferWriter_new);
1830: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.341 cvs 1831: #ifdef _WINDOWS
1832: /* TODO: verifier que le param YES est adapte pour WX */
1.136 cvs 1833: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1.341 cvs 1834: #endif /* _WINDOWS */
1.349 ! vatton 1835: #if defined(_GTK) || defined(_WX)
1.116 cvs 1836: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.349 ! vatton 1837: #endif /* #if defined(_GTK) || defined(_WX) */
1.331 gully 1838:
1.116 cvs 1839: #ifdef AMAYA_WWW_CACHE
1840: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1841: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1842: #if 0 /* experimental code */
1.245 kahan 1843: #endif
1.116 cvs 1844: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.245 kahan 1845:
1.116 cvs 1846: /* initialize pipelining */
1.223 cvs 1847: strptr = TtaGetEnvString ("ENABLE_PIPELINING");
1.265 cvs 1848: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.116 cvs 1849: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1850: }
1851:
1.15 cvs 1852: /*----------------------------------------------------------------------
1.17 cvs 1853: AHTNetInit
1854: Reegisters "before" and "after" request filters.
1.15 cvs 1855: ----------------------------------------------------------------------*/
1.4 cvs 1856: static void AHTNetInit (void)
1857: {
1858:
1859: /* Register BEFORE filters
1.74 cvs 1860: ** The BEFORE filters handle proxies, caches, rule files etc.
1861: ** The filters are called in the order by which the are registered
1862: ** Not done automaticly - may be done by application!
1863: */
1.4 cvs 1864:
1.116 cvs 1865: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1866: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1867: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1868:
1869: /* register AFTER filters
1.74 cvs 1870: ** The AFTER filters handle error messages, logging, redirection,
1871: ** authentication etc.
1872: ** The filters are called in the order by which the are registered
1873: ** Not done automaticly - may be done by application!
1874: */
1.4 cvs 1875:
1.223 cvs 1876: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1877: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1878: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1879: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND, HT_FILTER_MIDDLE);
1880: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER, HT_FILTER_MIDDLE);
1881: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1882: HTNet_addAfter (HTAuthInfoFilter, "http://*", NULL, HT_ALL, HT_FILTER_MIDDLE);
1883: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.151 cvs 1884: #ifdef AMAYA_LOST_UPDATE
1.223 cvs 1885: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED, HT_FILTER_MIDDLE);
1.151 cvs 1886: #endif /* AMAYA_LOST_UPDATE */
1.331 gully 1887:
1.344 vatton 1888: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1889: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1890: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.331 gully 1891:
1.344 vatton 1892: /**** for later ?? ****/
1893: /* HTNet_addAfter(HTInfoFilter,NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.245 kahan 1894: /* @@ JK: Filters for doing ftp authentication */
1895: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1896: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1.51 cvs 1897: /* handles all errors */
1.116 cvs 1898: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1899: }
1900:
1.15 cvs 1901: /*----------------------------------------------------------------------
1.17 cvs 1902: AHTAlertInit
1903: Register alert messages and their callbacks.
1.15 cvs 1904: ----------------------------------------------------------------------*/
1905: static void AHTAlertInit (void)
1906: {
1907: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.331 gully 1908:
1.337 cvs 1909: #ifdef _WINGUI /* <<-- SG : it was __WINGUI : I replace it with _WINGUI */
1.70 cvs 1910: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.337 cvs 1911: #endif /* _WINGUI */
1.331 gully 1912:
1.15 cvs 1913: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.334 gully 1914: HTError_setShow ( (HTErrorShow)(~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)) ); /* process all messages except debug ones*/
1.15 cvs 1915: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1916: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1917: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1918: }
1919:
1.118 cvs 1920: #ifdef AMAYA_WWW_CACHE
1921: /*----------------------------------------------------------------------
1.128 cvs 1922: RecCleanCache
1.118 cvs 1923: Clears an existing cache directory
1924: ----------------------------------------------------------------------*/
1.265 cvs 1925: static void RecCleanCache (char *dirname)
1926: {
1.337 cvs 1927: #ifdef _WINGUI
1.223 cvs 1928: HANDLE hFindFile;
1929: ThotBool status;
1.128 cvs 1930: WIN32_FIND_DATA ffd;
1.290 vatton 1931: char t_dir [MAX_LENGTH];
1932: char *ptr;
1.128 cvs 1933:
1.130 cvs 1934: /* create a t_dir name to start searching for files */
1.265 cvs 1935: if ((strlen (dirname) + 10) > MAX_LENGTH)
1.128 cvs 1936: /* ERROR: directory name is too big */
1937: return;
1938:
1.265 cvs 1939: strcpy (t_dir, dirname);
1.130 cvs 1940: /* save the end of the dirname. We'll use it to make
1941: a complete pathname when erasing files */
1.265 cvs 1942: ptr = &t_dir[strlen (t_dir)];
1943: strcat (t_dir, "*");
1.128 cvs 1944:
1.130 cvs 1945: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1946:
1947: if (hFindFile == INVALID_HANDLE_VALUE)
1948: /* nothing to erase? */
1949: return;
1950:
1951: status = TRUE;
1.130 cvs 1952: while (status)
1953: {
1954: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.133 cvs 1955: {
1956: /* it's a directory, erase it recursively */
1.265 cvs 1957: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
1.133 cvs 1958: {
1.265 cvs 1959: strcpy (ptr, ffd.cFileName);
1.272 cvs 1960: strcat (ptr, DIR_STR);
1.133 cvs 1961: RecCleanCache (t_dir);
1.274 cvs 1962: rmdir (t_dir);
1.133 cvs 1963: }
1964: }
1965: else
1.130 cvs 1966: {
1.133 cvs 1967: /* it's a file, erase it */
1.265 cvs 1968: strcpy (ptr, ffd.cFileName);
1.133 cvs 1969: TtaFileUnlink (t_dir);
1.130 cvs 1970: }
1971: status = FindNextFile (hFindFile, &ffd);
1972: }
1.128 cvs 1973: FindClose (hFindFile);
1.337 cvs 1974: #endif /* _WINGUI */
1.341 cvs 1975:
1976: #if defined(_WX)
1977: char buftmp[256];
1.342 gully 1978:
1979: #ifdef _WINDOWS
1980: wxString separator = _T("\\");
1981: #else /* _WINDOWS */
1982: wxString separator = _T("/");
1983: #endif /* _WINDOWS */
1984:
1.345 gully 1985: wxString wx_dir_name = wxString(dirname, *wxConvCurrent);
1.342 gully 1986:
1987: /* try to delete the current directory */
1.341 cvs 1988: wxRmdir(wx_dir_name);
1.331 gully 1989:
1.341 cvs 1990: if (!wxDirExists(wx_dir_name))
1.342 gully 1991: return;
1992:
1.341 cvs 1993: /* try to delete the files & directorys inside */
1994: {
1.342 gully 1995: wxDir wx_dir(wx_dir_name);
1996: wxString name;
1997: ThotBool cont = wx_dir.GetFirst(&name);
1998: while (cont)
1999: {
2000: name = wx_dir.GetName()+separator+name;
2001: if (wxDirExists(name))
1.341 cvs 2002: {
1.342 gully 2003: name = name+separator;
2004: /* it's a sub-directory */
1.345 gully 2005: sprintf(buftmp, "%s", (const char *)name.mb_str(*wxConvCurrent) );
1.342 gully 2006: /* delete it recursively */
2007: RecCleanCache(buftmp);
2008: }
2009: else
2010: {
2011: /* it's a file */
2012: wxRemoveFile(name);
1.341 cvs 2013: }
1.342 gully 2014:
2015: cont = wx_dir.GetNext(&name);
2016: }
1.341 cvs 2017: }
2018: /* try to delete the current directory */
2019: wxRmdir(wx_dir_name);
2020: #endif /* _WX */
2021:
1.344 vatton 2022: #if defined(_GTK) || defined(_NOGUI)
1.118 cvs 2023: DIR *dp;
2024: struct stat st;
2025: #ifdef HAVE_DIRENT_H
2026: struct dirent *d;
1.344 vatton 2027: #else /* HAVE_DIRENT_H */
1.118 cvs 2028: struct direct *d;
2029: #endif /* HAVE_DIRENT_H */
1.128 cvs 2030: char filename[BUFSIZ+1];
1.118 cvs 2031:
2032: if ((dp = opendir (dirname)) == NULL)
2033: {
2034: /* @@@ we couldn't open the directory ... we need some msg */
2035: perror (dirname);
1.176 cvs 2036: return;
1.118 cvs 2037: }
2038:
2039: while ((d = readdir (dp)) != NULL)
2040: {
2041: /* skip the UNIX . and .. links */
2042: if (!strcmp (d->d_name, "..")
2043: || !strcmp (d->d_name, "."))
2044: continue;
2045:
1.188 cvs 2046: sprintf (filename, "%s%c%s", dirname, DIR_SEP, d->d_name);
1.118 cvs 2047: if (lstat (filename, &st) < 0 )
2048: {
2049: /* @@2 need some error message */
2050: perror (filename);
2051: continue;
2052: }
2053:
2054: switch (st.st_mode & S_IFMT)
2055: {
2056: case S_IFDIR:
2057: /* if we find a directory, we erase it, recursively */
1.128 cvs 2058: strcat (filename, DIR_STR);
2059: RecCleanCache (filename);
2060: rmdir (filename);
1.118 cvs 2061: break;
2062: case S_IFLNK:
2063: /* skip any links we find */
2064: continue;
2065: break;
2066: default:
2067: /* erase the filename */
2068: TtaFileUnlink (filename);
2069: break;
2070: }
2071: }
2072: closedir (dp);
1.344 vatton 2073: #endif /* #if defined(_GTK) || defined(_NOGUI) */
1.118 cvs 2074: }
2075: #endif /* AMAYA_WWW_CACHE */
2076:
1.116 cvs 2077: /*----------------------------------------------------------------------
1.265 cvs 2078: libwww_CleanCache
2079: frontend to the recursive cache cleaning function
2080: ----------------------------------------------------------------------*/
2081: void libwww_CleanCache (void)
2082: {
2083: #ifdef AMAYA_WWW_CACHE
2084: char * real_dir;
2085: char* cache_dir;
2086: char* tmp;
2087: int cache_size;
2088: int cache_expire;
2089: int cache_disconnect;
2090: ThotBool error;
2091: char * ptr;
2092:
2093: if (!HTCacheMode_enabled ())
2094: /* don't do anything if we're not using a cache */
2095: return;
2096: /* temporarily close down the cache, purge it, then restart */
2097: tmp = HTCacheMode_getRoot ();
2098: /* don't do anything if we don't have a valid cache dir */
2099: if (!tmp || *tmp == EOS)
2100: return;
2101: cache_dir = TtaStrdup (tmp);
2102: HT_FREE (tmp);
2103: cache_size = HTCacheMode_maxSize ();
2104: cache_expire = HTCacheMode_expires ();
2105: cache_disconnect = HTCacheMode_disconnected ();
2106:
2107: /* get something we can work on :) */
2108: tmp = HTWWWToLocal (cache_dir, "file:", NULL);
1.334 gully 2109: real_dir = (char *)TtaGetMemory (strlen (tmp) + 20);
1.273 cvs 2110: strcpy (real_dir, tmp);
1.265 cvs 2111: HT_FREE (tmp);
2112:
2113: /* safeguard... abort the operation if cache_dir doesn't end with
2114: CACHE_DIR_NAME */
2115: error = TRUE;
2116: ptr = strstr (real_dir, CACHE_DIR_NAME);
2117: if (ptr && *ptr && !strcasecmp (ptr, CACHE_DIR_NAME))
2118: error = FALSE;
2119: if (error)
2120: return;
2121:
2122: /* remove the concurrent cache lock */
2123: #ifdef DEBUG_LIBWWW
2124: fprintf (stderr, "Clearing the cache lock\n");
2125: #endif /* DEBUG_LIBWWW */
2126: clear_cachelock ();
2127: HTCacheTerminate ();
2128: HTCacheMode_setEnabled (FALSE);
2129:
2130: RecCleanCache (real_dir);
2131:
1.334 gully 2132: HTCacheMode_setExpires ((HTExpiresMode)cache_expire);
2133: HTCacheMode_setDisconnected ((HTDisconnectedMode)cache_disconnect);
1.265 cvs 2134: HTCacheInit (cache_dir, cache_size);
2135: /* set a new concurrent cache lock */
2136: strcat (real_dir, ".lock");
2137: if (set_cachelock (real_dir) == -1)
2138: /* couldn't open the .lock file, so, we close the cache to
2139: be in the safe side */
2140: {
2141: #ifdef DEBUG_LIBWWW
2142: fprintf (stderr, "couldnt set the cache lock\n");
2143: #endif /* DEBUG_LIBWWW */
2144: HTCacheTerminate ();
2145: HTCacheMode_setEnabled (FALSE);
2146: }
2147: #ifdef DEBUG_LIBWWW
2148: fprintf (stderr, "set a cache lock\n");
2149: #endif /* DEBUG_LIBWWW */
2150: TtaFreeMemory (real_dir);
2151: TtaFreeMemory (cache_dir);
2152: #endif /* AMAYA_WWW_CACHE */
2153: }
2154:
2155: /*----------------------------------------------------------------------
1.116 cvs 2156: CacheInit
2157: Reads the cache settings from the thot.ini file.
2158: ----------------------------------------------------------------------*/
2159: static void CacheInit (void)
2160: {
2161: #ifndef AMAYA_WWW_CACHE
2162: HTCacheMode_setEnabled (NO);
2163:
2164: #else /* AMAYA_WWW_CACHE */
1.265 cvs 2165: char *strptr;
2166: char *real_dir = NULL;
2167: char *cache_lockfile;
2168: char *cache_dir = NULL;
1.223 cvs 2169: int cache_size;
2170: int cache_entry_size;
2171: ThotBool cache_enabled;
2172: ThotBool cache_locked;
2173: ThotBool tmp_bool;
1.130 cvs 2174:
1.185 cvs 2175: int i;
2176:
1.116 cvs 2177: /* activate cache? */
1.203 cvs 2178: strptr = TtaGetEnvString ("ENABLE_CACHE");
1.265 cvs 2179: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.130 cvs 2180: cache_enabled = NO;
1.116 cvs 2181: else
1.130 cvs 2182: cache_enabled = YES;
1.116 cvs 2183:
1.151 cvs 2184: /* cache protected documents? */
1.203 cvs 2185: strptr = TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1.265 cvs 2186: if (strptr && *strptr && !strcasecmp (strptr, "yes"))
1.151 cvs 2187: HTCacheMode_setProtected (YES);
2188: else
2189: HTCacheMode_setProtected (NO);
2190:
1.116 cvs 2191: /* get the cache dir (or use a default one) */
1.203 cvs 2192: strptr = TtaGetEnvString ("CACHE_DIR");
1.116 cvs 2193: if (strptr && *strptr)
2194: {
1.334 gully 2195: real_dir = (char *)TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 20);
1.265 cvs 2196: strcpy (real_dir, strptr);
1.272 cvs 2197: if (*(real_dir + strlen (real_dir) - 1) != DIR_SEP)
2198: strcat (real_dir, DIR_STR);
1.116 cvs 2199: }
2200: else
2201: {
1.334 gully 2202: real_dir = (char *)TtaGetMemory (strlen (TempFileDirectory) + strlen (CACHE_DIR_NAME) + 20);
1.272 cvs 2203: sprintf (real_dir, "%s%s", TempFileDirectory, CACHE_DIR_NAME);
1.185 cvs 2204: }
2205:
2206: /* compatiblity with previous versions of Amaya: does real_dir
2207: include CACHE_DIR_NAME? If not, add it */
1.265 cvs 2208: strptr = strstr (real_dir, CACHE_DIR_NAME);
1.185 cvs 2209: if (!strptr)
1.265 cvs 2210: strcat (real_dir, CACHE_DIR_NAME);
1.185 cvs 2211: else
2212: {
1.265 cvs 2213: i = strlen (CACHE_DIR_NAME);
1.272 cvs 2214: if (strptr[i] != EOS)
1.265 cvs 2215: strcat (real_dir, CACHE_DIR_NAME);
1.116 cvs 2216: }
1.185 cvs 2217:
1.211 cvs 2218: /* convert the local cache dir into a file URL, as expected by
2219: libwww */
1.265 cvs 2220: cache_dir = HTLocalToWWW (real_dir, "file:");
1.116 cvs 2221: /* get the cache size (or use a default one) */
1.203 cvs 2222: strptr = TtaGetEnvString ("CACHE_SIZE");
1.116 cvs 2223: if (strptr && *strptr)
1.288 vatton 2224: cache_size = atoi (strptr);
1.116 cvs 2225: else
2226: cache_size = DEFAULT_CACHE_SIZE;
1.176 cvs 2227: /* get the max cached file size (or use a default one) */
1.223 cvs 2228: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1.176 cvs 2229: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1.130 cvs 2230: if (cache_enabled)
1.116 cvs 2231: {
2232: /* how to remove the lock? force remove it? */
1.334 gully 2233: cache_lockfile = (char *)TtaGetMemory (strlen (real_dir) + 20);
1.265 cvs 2234: strcpy (cache_lockfile, real_dir);
2235: strcat (cache_lockfile, ".lock");
1.130 cvs 2236: cache_locked = FALSE;
1.223 cvs 2237: if (TtaFileExist (cache_lockfile) && !(cache_locked = test_cachelock (cache_lockfile)))
1.116 cvs 2238: {
1.130 cvs 2239: #ifdef DEBUG_LIBWWW
2240: fprintf (stderr, "found a stale cache, removing it\n");
2241: #endif /* DEBUG_LIBWWW */
2242: /* remove the lock and clean the cache (the clean cache
2243: will remove all, making the following call unnecessary */
2244: /* little trick to win some memory */
1.265 cvs 2245: strptr = strrchr (cache_lockfile, '.');
1.272 cvs 2246: *strptr = EOS;
1.130 cvs 2247: RecCleanCache (cache_lockfile);
1.265 cvs 2248: *strptr = '.';
1.116 cvs 2249: }
2250:
1.130 cvs 2251: if (!cache_locked)
2252: {
2253: /* initialize the cache if there's no other amaya
2254: instance running */
1.177 cvs 2255: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
1.223 cvs 2256: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool) && tmp_bool)
1.177 cvs 2257: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
2258: else
2259: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1.223 cvs 2260: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
1.177 cvs 2261: if (tmp_bool)
2262: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
2263: else
2264: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
1.211 cvs 2265: if (HTCacheInit (cache_dir, cache_size))
1.130 cvs 2266: {
1.188 cvs 2267: if (set_cachelock (cache_lockfile) == -1)
2268: /* couldn't open the .lock file, so, we close the cache to
2269: be in the safe side */
2270: {
2271: HTCacheTerminate ();
2272: HTCacheMode_setEnabled (FALSE);
2273: #ifdef DEBUG_LIBWWW
2274: fprintf (stderr, "couldnt set the cache lock\n");
2275: #endif /* DEBUG_LIBWWW */
2276: }
1.130 cvs 2277: #ifdef DEBUG_LIBWWW
1.188 cvs 2278: else
2279: fprintf (stderr, "created the cache lock\n");
1.130 cvs 2280: #endif /* DEBUG_LIBWWW */
2281: }
1.188 cvs 2282: else
2283: {
1.130 cvs 2284: #ifdef DEBUG_LIBWWW
1.188 cvs 2285: fprintf (stderr, "couldn't create the cache\n");
2286: #endif /* DEBUG_LIBWWW */
2287: HTCacheTerminate ();
2288: }
1.130 cvs 2289: }
2290: else
2291: {
1.185 cvs 2292: HTCacheMode_setEnabled (FALSE);
1.130 cvs 2293: #ifdef DEBUG_LIBWWW
2294: fprintf (stderr, "lock detected, starting libwww without a cache/n");
2295: #endif /* DEBUG_LIBWWW */
2296: }
2297: TtaFreeMemory (cache_lockfile);
1.116 cvs 2298: }
2299: else
1.185 cvs 2300: {
2301: HTCacheMode_setEnabled (FALSE);
2302: }
1.116 cvs 2303: if (cache_dir)
1.211 cvs 2304: HT_FREE (cache_dir);
1.189 cvs 2305: if (real_dir)
2306: TtaFreeMemory (real_dir);
1.185 cvs 2307: /* warn the user if the cache isn't active */
2308: if (cache_enabled && !HTCacheMode_enabled ())
1.291 kahan 2309: {
2310: ThotBool warn_user;
2311:
2312: TtaGetEnvBoolean ("WARN_NO_CACHE", &warn_user);
2313: if (warn_user)
2314: InitInfo ("Cache", TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE));
2315: }
1.116 cvs 2316: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 2317: }
2318:
2319: /*----------------------------------------------------------------------
1.97 cvs 2320: ProxyInit
2321: Reads any proxies settings which may be declared as environmental
2322: variables or in the thot.ini file. The former overrides the latter.
2323: ----------------------------------------------------------------------*/
2324: static void ProxyInit (void)
2325: {
1.265 cvs 2326: char *strptr;
2327: char *name;
2328: char *tmp = NULL;
2329: char *strptrA;
1.223 cvs 2330: ThotBool proxy_is_onlyproxy;
1.97 cvs 2331:
2332: /* get the proxy settings from the thot.ini file */
1.203 cvs 2333: strptr = TtaGetEnvString ("HTTP_PROXY");
1.228 cvs 2334: if (strptr && *strptr)
2335: {
1.265 cvs 2336: tmp = (char *) TtaGetMemory (strlen (strptr) + 1);
2337: strcpy (tmp, strptr);
1.223 cvs 2338:
1.228 cvs 2339: /* does the proxy env string has an "http://" prefix? */
1.265 cvs 2340: if (!strncasecmp (strptr, "http://", 7))
1.223 cvs 2341: HTProxy_add ("http", tmp);
1.228 cvs 2342: else
2343: {
1.265 cvs 2344: strptrA = (char *) TtaGetMemory (strlen (strptr) + 9);
1.228 cvs 2345: strcpy (strptrA, "http://");
2346: strcat (strptrA, tmp);
2347: HTProxy_add ("http", strptrA);
2348: TtaFreeMemory (strptrA);
2349: }
2350: TtaFreeMemory (tmp);
2351: }
1.216 cvs 2352:
1.97 cvs 2353: /* get the no_proxy settings from the thot.ini file */
1.212 cvs 2354: strptr = TtaGetEnvString ("PROXYDOMAIN");
1.228 cvs 2355: if (strptr && *strptr)
2356: {
1.265 cvs 2357: strptrA = (char *) TtaGetMemory (strlen (strptr) + 1);
2358: tmp = strptrA;
2359: strcpy (tmp, strptr);
1.228 cvs 2360: /* as HTNextField changes the ptr we pass as an argument, we'll
1.265 cvs 2361: work with another variable, so that we can free the tmp
1.228 cvs 2362: block later on */
2363: while ((name = HTNextField (&tmp)) != NULL)
2364: {
2365: char* portstr = strchr (name, ':');
2366: unsigned port=0;
1.265 cvs 2367: if (portstr)
2368: {
2369: *portstr++ = EOS;
2370: if (*portstr)
2371: port = (unsigned) atoi (portstr);
2372: }
1.228 cvs 2373: /* Register it for all access methods */
2374: HTNoProxy_add (name, NULL, port);
2375: }
2376: TtaFreeMemory (strptrA);
2377: }
2378:
1.212 cvs 2379: /* how should we interpret the proxy domain list? */
1.291 kahan 2380:
1.212 cvs 2381: TtaGetEnvBoolean ("PROXYDOMAIN_IS_ONLYPROXY", &proxy_is_onlyproxy);
2382: HTProxy_setNoProxyIsOnlyProxy (proxy_is_onlyproxy);
2383:
2384: /* use libwww's routine to get all proxy settings from the environment */
1.97 cvs 2385: HTProxy_getEnvVar ();
2386: }
2387:
1.207 cvs 2388: /*----------------------------------------------------------------------
1.17 cvs 2389: AHTProfile_newAmaya
2390: creates the Amaya client profile for libwww.
1.15 cvs 2391: ----------------------------------------------------------------------*/
1.265 cvs 2392: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1.4 cvs 2393: {
1.265 cvs 2394: char *strptr;
1.158 cvs 2395:
1.4 cvs 2396: /* If the Library is not already initialized then do it */
1.257 kahan 2397: if (!HTLib_isInitialized ())
1.273 cvs 2398: HTLibInit (AppName, AppVersion);
1.4 cvs 2399:
2400: if (!converters)
2401: converters = HTList_new ();
1.27 cvs 2402: if (!acceptTypes)
2403: acceptTypes = HTList_new ();
1.193 cvs 2404: if (!acceptLanguages)
2405: acceptLanguages = HTList_new ();
1.151 cvs 2406: if (!transfer_encodings)
2407: transfer_encodings = HTList_new ();
2408: if (!content_encodings)
2409: content_encodings = HTList_new ();
1.4 cvs 2410:
1.169 cvs 2411: /* inhibits libwww's automatic file_suffix_binding */
2412: HTFile_doFileSuffixBinding (FALSE);
2413:
1.4 cvs 2414: /* Register the default set of transport protocols */
2415: HTTransportInit ();
2416:
2417: /* Register the default set of application protocol modules */
2418: AHTProtocolInit ();
2419:
1.116 cvs 2420: /* Register the default set of messages and dialog functions */
2421: AHTAlertInit ();
2422: HTAlert_setInteractive (YES);
2423:
2424: #ifdef AMAYA_WWW_CACHE
2425: /* Enable the persistent cache */
2426: CacheInit ();
2427: #else
2428: HTCacheMode_setEnabled (NO);
2429: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 2430:
2431: /* Register the default set of BEFORE and AFTER filters */
2432: AHTNetInit ();
2433:
2434: /* Set up the default set of Authentication schemes */
1.223 cvs 2435: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL, HTBasic_delete);
1.158 cvs 2436: /* activate MDA by defaul */
1.203 cvs 2437: strptr = TtaGetEnvString ("ENABLE_MDA");
1.265 cvs 2438: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no")))
1.223 cvs 2439: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse, HTDigest_updateInfo, HTDigest_delete);
1.257 kahan 2440:
1.97 cvs 2441: /* Get any proxy settings */
2442: ProxyInit ();
1.4 cvs 2443:
1.207 cvs 2444: /* Set up the domains where we accept a redirect on PUT */
2445: SafePut_init ();
2446:
1.4 cvs 2447: /* Register the default set of converters */
2448: AHTConverterInit (converters);
1.151 cvs 2449: HTFormat_setConversion (converters);
1.27 cvs 2450: AHTAcceptTypesInit (acceptTypes);
1.193 cvs 2451: AHTAcceptLanguagesInit (acceptLanguages);
1.4 cvs 2452:
2453: /* Register the default set of transfer encoders and decoders */
1.151 cvs 2454: HTTransferEncoderInit (transfer_encodings);
1.190 cvs 2455: HTFormat_setTransferCoding (transfer_encodings);
2456: /* Register the default set of content encoders and decoders */
1.296 kahan 2457: /* commented because we don't know yet how to handle deflate in the content enconding */
2458: /* HTContentEncoderInit (content_encodings); */
2459: HTCoding_add (content_encodings, "gzip", NULL, HTIdentityCoding, 1.0);
1.190 cvs 2460: /* ignore all other encoding formats (or libwww will send them
1.181 cvs 2461: thru a blackhole otherwise */
2462: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
1.151 cvs 2463: if (HTList_count(content_encodings) > 0)
2464: HTFormat_setContentCoding(content_encodings);
2465: else
2466: {
2467: HTList_delete(content_encodings);
2468: content_encodings = NULL;
2469: }
1.4 cvs 2470:
2471: /* Register the default set of MIME header parsers */
1.74 cvs 2472: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 2473:
2474: /* Register the default set of Icons for directory listings */
1.27 cvs 2475: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 2476: }
2477:
1.5 cvs 2478: /*----------------------------------------------------------------------
1.17 cvs 2479: AHTProfile_delete
2480: deletes the Amaya client profile.
1.5 cvs 2481: ----------------------------------------------------------------------*/
1.4 cvs 2482: static void AHTProfile_delete (void)
2483: {
1.22 cvs 2484: /* free the Amaya global context */
1.151 cvs 2485: /* Clean up all the registred converters */
2486: HTFormat_deleteAll ();
2487: if (acceptTypes)
1.74 cvs 2488: HTConversion_deleteAll (acceptTypes);
1.193 cvs 2489: if (acceptLanguages)
2490: HTLanguage_deleteAll (acceptLanguages);
1.151 cvs 2491:
1.209 cvs 2492: StopAllRequests (1);
1.74 cvs 2493: HTList_delete (Amaya->docid_status);
2494: HTList_delete (Amaya->reqlist);
2495: TtaFreeMemory (Amaya);
1.61 cvs 2496:
1.337 cvs 2497: #ifdef _WINGUI
1.209 cvs 2498: if (HTLib_isInitialized ())
1.151 cvs 2499: HTEventTerminate ();
1.337 cvs 2500: #endif /* _WINGUI; */
1.341 cvs 2501:
1.151 cvs 2502: /* Clean up the persistent cache (if any) */
1.116 cvs 2503: #ifdef AMAYA_WWW_CACHE
1.151 cvs 2504: clear_cachelock ();
2505: HTCacheTerminate ();
1.116 cvs 2506: #endif /* AMAYA_WWW_CACHE */
1.217 cvs 2507:
1.218 cvs 2508: /* call remove functions that are not called automatically by libwww */
2509: HTNetCall_deleteBeforeAll (HTNet_before ());
2510: HTNetCall_deleteAfterAll (HTNet_after ());
2511: HTAA_deleteAllModules ();
2512: HTAlertCall_deleteAll (HTAlert_global () );
2513: HTAlert_setGlobal ((HTList *) NULL);
1.259 cvs 2514: HTTimer_deleteAll ();
1.249 kahan 2515: HTEventList_unregisterAll ();
1.218 cvs 2516: /* these two functions are broken, so we can't call them right now
2517: HTHeader_deleteAll ();
2518: HTTimer_deleteAll ();
2519: */
2520: HTTransport_deleteAll ();
1.217 cvs 2521: /* remove bindings between suffixes, media types*/
2522: HTBind_deleteAll ();
1.151 cvs 2523: /* Terminate libwww */
2524: HTLibTerminate ();
1.4 cvs 2525: }
2526:
1.5 cvs 2527: /*----------------------------------------------------------------------
1.116 cvs 2528: AmayacontextInit
2529: initializes an internal Amaya context for our libwww interface
2530: ----------------------------------------------------------------------*/
1.265 cvs 2531: static void AmayaContextInit ()
1.116 cvs 2532: {
1.140 cvs 2533: AmayaAlive_flag = TRUE;
1.116 cvs 2534: /* Initialization of the global context */
2535: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
2536: Amaya->reqlist = HTList_new ();
2537: Amaya->docid_status = HTList_new ();
2538: Amaya->open_requests = 0;
2539: }
2540:
2541: /*----------------------------------------------------------------------
1.17 cvs 2542: QueryInit
2543: initializes the libwww interface
1.5 cvs 2544: ----------------------------------------------------------------------*/
1.265 cvs 2545: void QueryInit ()
1.4 cvs 2546: {
1.265 cvs 2547: char *strptr;
2548: int tmp_i;
2549: long tmp_l;
1.4 cvs 2550:
1.116 cvs 2551: AmayaContextInit ();
1.4 cvs 2552: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.140 cvs 2553: CanDoStop_set (TRUE);
1.214 cvs 2554: UserAborted_flag = FALSE;
1.4 cvs 2555:
1.337 cvs 2556: #ifdef _WINGUI
1.125 cvs 2557: HTEventInit ();
1.337 cvs 2558: #endif /* _WINGUI */
1.72 cvs 2559:
1.341 cvs 2560: #ifdef _WX
2561: wxAmayaSocketEventLoop::InitSocketLib();
2562: #endif /* _WX */
2563:
1.344 vatton 2564: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.334 gully 2565: HTEvent_setRegisterCallback ( AHTEvent_register);
2566: HTEvent_setUnregisterCallback (AHTEvent_unregister);
2567: HTTimer_registerSetTimerCallback ((BOOL (*)(HTTimer*)) AMAYA_SetTimer);
2568: HTTimer_registerDeleteTimerCallback ((BOOL (*)(HTTimer*))AMAYA_DeleteTimer);
1.344 vatton 2569: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.190 cvs 2570:
1.213 cvs 2571: #ifdef HTDEBUG
1.247 kahan 2572: /* an undocumented option for being able to generate an HTTP protocol
2573: trace. The flag can take values from 1-10, which are interpreted as
2574: different kinds of debug traces. Value 99 means a complete trace.
2575: 0 or other values means No Debug.1 No Debug (default), up to Full debug, respectively. */
1.238 cvs 2576: if (TtaGetEnvInt ("ENABLE_LIBWWW_DEBUG", &tmp_i))
1.247 kahan 2577: {
2578: switch (tmp_i)
2579: {
2580: case 1:
2581: WWW_TraceFlag = SHOW_URI_TRACE;
2582: break;
2583: case 2:
2584: WWW_TraceFlag = SHOW_BIND_TRACE;
2585: break;
2586: case 3:
2587: WWW_TraceFlag = SHOW_THREAD_TRACE;
2588: break;
2589: case 4:
2590: WWW_TraceFlag = SHOW_STREAM_TRACE;
2591: break;
2592: case 5:
2593: WWW_TraceFlag = SHOW_PROTOCOL_TRACE;
2594: break;
2595: case 6:
2596: WWW_TraceFlag = SHOW_MEM_TRACE;
2597: break;
2598: case 7:
2599: WWW_TraceFlag = SHOW_URI_TRACE;
2600: break;
2601: case 8:
2602: WWW_TraceFlag = SHOW_AUTH_TRACE;
2603: break;
2604: case 9:
2605: WWW_TraceFlag = SHOW_ANCHOR_TRACE;
2606: break;
2607: case 10 :
2608: WWW_TraceFlag = SHOW_CORE_TRACE;
2609: break;
1.251 kahan 2610: case 11 :
2611: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_ANCHOR_TRACE | SHOW_AUTH_TRACE | SHOW_URI_TRACE | SHOW_THREAD_TRACE | SHOW_STREAM_TRACE;
2612: break;
1.247 kahan 2613: case 99 :
2614: WWW_TraceFlag = SHOW_ALL_TRACE;
2615: break;
2616: default:
2617: WWW_TraceFlag = 0;
2618: break;
2619: }
1.248 kahan 2620: if (WWW_TraceFlag)
2621: {
2622: /* Trace activation (for debugging) */
1.265 cvs 2623: char *s, *tmp;
1.248 kahan 2624: s = TtaGetEnvString ("APP_TMPDIR");
1.334 gully 2625: tmp = (char *)TtaGetMemory (strlen (s) + sizeof ("/libwww.log") + 1);
1.265 cvs 2626: strcpy (tmp, s);
2627: strcat (tmp, "/libwww.log");
2628: trace_fp = fopen (tmp, "ab");
1.248 kahan 2629: TtaFreeMemory (tmp);
2630: if (trace_fp)
2631: HTTrace_setCallback(LineTrace);
2632: }
1.247 kahan 2633: }
1.208 cvs 2634: else
2635: WWW_TraceFlag = 0;
1.213 cvs 2636: #endif /* HTDEBUG */
1.208 cvs 2637:
1.74 cvs 2638: #ifdef DEBUG_LIBWWW
1.116 cvs 2639: /* forwards error messages to our own function */
2640: WWW_TraceFlag = THD_TRACE;
1.138 cvs 2641: HTTrace_setCallback(LineTrace);
1.248 kahan 2642:
1.148 cvs 2643: /***
1.138 cvs 2644: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
2645: ***/
1.152 cvs 2646: #endif
1.247 kahan 2647:
2648: TtaGetEnvBoolean ("ENABLE_FTP", &FTPURL_flag);
1.152 cvs 2649:
1.148 cvs 2650: /* Setting up different network parameters */
1.151 cvs 2651:
1.148 cvs 2652: /* Maximum number of simultaneous open sockets */
1.203 cvs 2653: strptr = TtaGetEnvString ("MAX_SOCKET");
1.151 cvs 2654: if (strptr && *strptr)
1.288 vatton 2655: tmp_i = atoi (strptr);
1.151 cvs 2656: else
2657: tmp_i = DEFAULT_MAX_SOCKET;
2658: HTNet_setMaxSocket (tmp_i);
2659:
1.148 cvs 2660: /* different network services timeouts */
1.151 cvs 2661: /* dns timeout */
1.203 cvs 2662: strptr = TtaGetEnvString ("DNS_TIMEOUT");
1.151 cvs 2663: if (strptr && *strptr)
1.288 vatton 2664: tmp_i = atoi (strptr);
1.151 cvs 2665: else
2666: tmp_i = DEFAULT_DNS_TIMEOUT;
2667: HTDNS_setTimeout (tmp_i);
2668:
2669: /* persistent connections timeout */
1.203 cvs 2670: strptr = TtaGetEnvString ("PERSIST_CX_TIMEOUT");
1.151 cvs 2671: if (strptr && *strptr)
1.288 vatton 2672: tmp_l = atol (strptr);
1.151 cvs 2673: else
2674: tmp_l = DEFAULT_PERSIST_TIMEOUT;
2675: HTHost_setPersistTimeout (tmp_l);
2676:
1.148 cvs 2677: /* default timeout in ms */
1.203 cvs 2678: strptr = TtaGetEnvString ("NET_EVENT_TIMEOUT");
1.151 cvs 2679: if (strptr && *strptr)
1.288 vatton 2680: tmp_i = atoi (strptr);
1.151 cvs 2681: else
2682: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
2683: HTHost_setEventTimeout (tmp_i);
2684:
1.173 cvs 2685: HTRequest_setMaxRetry (8);
1.4 cvs 2686: #ifdef CATCH_SIG
1.148 cvs 2687: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2688: #endif
1.15 cvs 2689: }
2690:
2691: /*----------------------------------------------------------------------
1.17 cvs 2692: LoopForStop
1.136 cvs 2693: a copy of the Thop event loop so we can handle the stop button in Unix
2694: and preemptive requests under Windows
1.15 cvs 2695: ----------------------------------------------------------------------*/
2696: static int LoopForStop (AHTReqContext * me)
2697: {
1.331 gully 2698: int status_req = HT_OK;
2699:
1.337 cvs 2700: #ifdef _WINGUI
1.136 cvs 2701: MSG msg;
2702: unsigned long libwww_msg;
2703: HWND old_active_window, libwww_window;
1.331 gully 2704:
1.136 cvs 2705:
2706: old_active_window = GetActiveWindow ();
2707: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2708:
1.149 cvs 2709: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
1.253 cvs 2710: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
1.330 cvs 2711: GetMessage (&msg, NULL, 0, 0))
1.253 cvs 2712: {
2713: if (msg.message != WM_QUIT)
2714: TtaHandleOneEvent (&msg);
2715: else
2716: break;
2717: }
1.136 cvs 2718: if (!AmayaIsAlive ())
2719: /* Amaya was killed by one of the callback handlers */
2720: exit (0);
1.337 cvs 2721: #endif /* _WINGUI */
1.331 gully 2722:
1.344 vatton 2723: #if defined(_GTK) || defined(_WX)
1.277 kahan 2724: ThotEvent ev;
1.15 cvs 2725:
2726: /* to test the async calls */
1.17 cvs 2727: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 2728: while (me->reqStatus != HT_ABORT &&
2729: me->reqStatus != HT_END &&
1.69 cvs 2730: me->reqStatus != HT_ERR) {
1.116 cvs 2731: if (!AmayaIsAlive ())
1.69 cvs 2732: /* Amaya was killed by one of the callback handlers */
2733: exit (0);
1.277 kahan 2734:
2735: if (TtaFetchOneAvailableEvent (&ev))
2736: TtaHandleOneEvent (&ev);
1.340 gully 2737: #ifdef _WX
2738: /* this is necessary for synchronous request*/
2739: /* check the socket stats */
2740: wxAmayaSocketEvent::CheckSocketStatus( 500 );
2741: #endif /* _WX */
1.69 cvs 2742: }
1.344 vatton 2743: #endif /* #if defined(_GTK) || defined(_WX) */
1.331 gully 2744:
1.69 cvs 2745: switch (me->reqStatus) {
1.344 vatton 2746: case HT_ERR:
2747: case HT_ABORT:
2748: status_req = NO;
2749: break;
2750: case HT_END:
2751: status_req = YES;
2752: break;
2753: default:
2754: break;
1.69 cvs 2755: }
1.15 cvs 2756: return (status_req);
1.4 cvs 2757: }
2758:
1.5 cvs 2759: /*----------------------------------------------------------------------
1.15 cvs 2760: QueryClose
1.21 cvs 2761: closes all existing threads, frees all non-automatically deallocated
2762: memory and then ends libwww.
1.5 cvs 2763: ----------------------------------------------------------------------*/
1.116 cvs 2764: void QueryClose ()
1.4 cvs 2765: {
1.24 cvs 2766:
1.140 cvs 2767: AmayaAlive_flag = FALSE;
1.24 cvs 2768:
1.116 cvs 2769: /* remove all the handlers and callbacks that may output a message to
2770: a non-existent Amaya window */
2771: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2772: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.344 vatton 2773: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.116 cvs 2774: /** need to erase all existing timers too **/
2775: HTTimer_registerSetTimerCallback (NULL);
2776: HTTimer_registerDeleteTimerCallback (NULL);
1.344 vatton 2777: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.116 cvs 2778: HTHost_setActivateRequestCallback (NULL);
2779: Thread_deleteAll ();
1.21 cvs 2780:
1.116 cvs 2781: HTProxy_deleteAll ();
2782: HTNoProxy_deleteAll ();
1.207 cvs 2783: SafePut_delete ();
1.116 cvs 2784: HTGateway_deleteAll ();
2785: AHTProfile_delete ();
1.248 kahan 2786:
2787: /* close the trace file (if it exists) */
2788: if (trace_fp)
2789: fclose (trace_fp);
2790:
1.116 cvs 2791: }
2792:
2793: /*----------------------------------------------------------------------
2794: NextNameValue
2795: ---------------------------------------------------------------------*/
1.265 cvs 2796: static char * NextNameValue (char **pstr, char **name, char **value)
1.116 cvs 2797: {
2798: char * p = *pstr;
2799: char * start = NULL;
2800: if (!pstr || !*pstr) return NULL;
2801:
2802: if (!*p) {
2803: *pstr = p;
2804: *name = NULL;
2805: *value = NULL;
2806: return NULL; /* No field */
2807: }
2808:
2809: /* Now search for the next '&' and ';' delimitators */
2810: start = p;
2811: while (*p && *p != '&' && *p != ';') p++;
2812: if (*p)
2813: *p++ = '\0';
2814: *pstr = p;
2815:
2816: /* Search for the name and value */
2817: *name = start;
2818: p = start;
2819:
2820: while(*p && *p != '=')
2821: p++;
2822: if (*p)
2823: *p++ = '\0';
2824: *value = p;
2825:
2826: return start;
2827: }
2828:
2829: /*----------------------------------------------------------------------
2830: PrepareFormdata
2831: ---------------------------------------------------------------------*/
1.265 cvs 2832: static HTAssocList * PrepareFormdata (char *string)
1.116 cvs 2833: {
1.266 cvs 2834: char *tmp_string, *tmp_string_ptr;
2835: char *name;
2836: char *value;
2837: HTAssocList *formdata;
1.116 cvs 2838:
2839: if (!string)
2840: return NULL;
2841:
2842: /* store the ptr in another variable, as the original address will
2843: change
2844: */
1.236 cvs 2845:
1.334 gully 2846: tmp_string_ptr = (char *)TtaGetMemory (strlen (string) + 1);
1.236 cvs 2847: tmp_string = tmp_string_ptr;
1.273 cvs 2848: strcpy (tmp_string_ptr, string);
1.116 cvs 2849: formdata = HTAssocList_new();
2850:
2851: while (*tmp_string)
2852: {
2853: NextNameValue (&tmp_string, &name, &value);
2854: HTAssocList_addObject(formdata,
2855: name, value);
2856: }
2857:
2858: TtaFreeMemory (tmp_string_ptr);
2859: return formdata;
1.4 cvs 2860: }
2861:
1.236 cvs 2862: /*----------------------------------------------------------------------
2863: ---------------------------------------------------------------------*/
1.332 kahan 2864: void AHTRequest_setRefererHeader (AHTReqContext *me)
1.326 vatton 2865: {
1.332 kahan 2866: HTRequest *request;
2867: HTRqHd rqhd;
2868: ThotBool referer;
2869:
2870: TtaGetEnvBoolean ("SEND_REFERER", &referer);
2871: if (referer && me->refdocUrl && me->refdocUrl[0] != EOS
2872: && IsHTTPPath (me->refdocUrl))
2873: {
2874: request = me->request;
2875: rqhd = HTRequest_rqHd (request);
1.334 gully 2876: rqhd = (HTRqHd)((int)rqhd & (~HT_C_REFERER));
1.332 kahan 2877:
2878: HTRequest_setRqHd (request, rqhd);
2879: HTRequest_addExtraHeader (request, "Referer", me->refdocUrl);
2880: }
1.326 vatton 2881: }
2882:
2883: /*----------------------------------------------------------------------
2884: ---------------------------------------------------------------------*/
1.216 cvs 2885: void AHTRequest_setCustomAcceptHeader (HTRequest *request, char *value)
2886: {
2887: HTRqHd rqhd = HTRequest_rqHd (request);
1.334 gully 2888: rqhd = (HTRqHd)((int)rqhd & (~HT_C_ACCEPT_TYPE));
1.216 cvs 2889: HTRequest_setRqHd (request, rqhd);
1.221 cvs 2890: HTRequest_addExtraHeader (request, "Accept", value);
1.216 cvs 2891: }
2892:
1.228 cvs 2893: /*----------------------------------------------------------------------
1.318 kahan 2894: GetOutputFileName
2895: Generates a temporary filename (based on a counter) for storing
2896: the information that a server sends back.
2897: ----------------------------------------------------------------------*/
2898: static void GetOutputFileName (char *outputfile, int tempsubdir)
2899: {
2900: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP,
2901: object_counter);
2902: /* update the object_counter (used for the tempfilename) */
2903: object_counter++;
2904: }
2905:
2906: /*----------------------------------------------------------------------
1.99 cvs 2907: InvokeGetObjectWWW_callback
2908: A simple function to invoke a callback function whenever there's an error
2909: in GetObjectWWW
2910: ---------------------------------------------------------------------*/
1.265 cvs 2911: void InvokeGetObjectWWW_callback (int docid, char *urlName,
2912: char *outputfile, TTcbf *terminate_cbf,
2913: void *context_tcbf, int status)
1.99 cvs 2914: {
2915: if (!terminate_cbf)
2916: return;
2917:
1.116 cvs 2918: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 2919: NULL, context_tcbf);
2920: }
2921:
2922:
1.5 cvs 2923: /*----------------------------------------------------------------------
1.15 cvs 2924: GetObjectWWW
1.17 cvs 2925: this function requests a resource designated by a URLname into a
2926: temporary filename. The download can come from a simple GET operation,
2927: or can come from POSTING/GETTING a form. In the latter
2928: case, the function receives a query string to send to the server.
2929:
1.5 cvs 2930: 4 file retrieval modes are proposed:
2931: AMAYA_SYNC : blocking mode
2932: AMAYA_ISYNC : incremental, blocking mode
2933: AMAYA_ASYNC : non-blocking mode
2934: AMAYA_IASYNC : incremental, non-blocking mode
2935:
2936: In the incremental mode, each time a package arrives, it will be
2937: stored in the temporary file. In addition, if an
2938: incremental_callback function is defined, this function will be
2939: called and handled a copy of the newly received data package.
2940: Finally, if a terminate_callback function is defined, it will be
2941: invoked when the request terminates. The caller of this function
1.4 cvs 2942: can define two different contexts to be passed to the callback
2943: functions.
2944:
2945: When the function is called with the SYNC mode, the function will
2946: return only when the requested file has been loaded.
2947: The ASYNC mode will immediately return after setting up the
2948: call.
2949:
2950: Notes:
2951: At the end of a succesful request, the urlName string contains the
2952: name of the actually retrieved URL. As a URL can change over the time,
2953: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 2954: caller verify the value of the urlName variable at the end of
1.4 cvs 2955: a request.
2956:
2957: Inputs:
2958: - docid Document identifier for the set of objects being
2959: retrieved.
1.326 vatton 2960: - refdoc Document identifier to refer.
1.348 cvs 2961: - urlName The utf8-coded URL to be retrieved (MAX_URL_LENGTH chars length)
1.4 cvs 2962: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2963: - mode The retrieval mode.
2964: - incremental_cbf
2965: - context_icbf
2966: Callback and context for the incremental modes
2967: - terminate_cbf
2968: - context_icbf
2969: Callback and context for a terminate handler
1.17 cvs 2970: -error_html if TRUE, then display any server error message as an
2971: HTML document.
1.88 cvs 2972: - content_type a string
2973:
1.4 cvs 2974: Outputs:
2975: - urlName The URL that was retrieved
2976: - outputfile The name of the temporary file which holds the
2977: retrieved data. (Only in case of success)
1.88 cvs 2978: - if content_type wasn't NULL, it will contain a copy of the parameter
2979: sent in the HTTP answer
1.4 cvs 2980: Returns:
2981: HT_ERROR
2982: HT_OK
1.5 cvs 2983: ----------------------------------------------------------------------*/
1.326 vatton 2984: int GetObjectWWW (int docid, int refdoc, char *urlName, char *formdata,
1.265 cvs 2985: char *outputfile, int mode, TIcbf *incremental_cbf,
2986: void *context_icbf, TTcbf *terminate_cbf,
2987: void *context_tcbf, ThotBool error_html, char *content_type)
1.4 cvs 2988: {
2989: AHTReqContext *me;
1.301 vatton 2990: char *ref;
2991: char *esc_url;
1.107 cvs 2992: int status, l;
1.114 cvs 2993: int tempsubdir;
1.327 vatton 2994: ThotBool bool_tmp, referer;
1.7 cvs 2995:
1.320 vatton 2996: if (urlName == NULL || outputfile == NULL)
1.116 cvs 2997: {
2998: /* no file to be loaded */
2999: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 3000:
1.116 cvs 3001: if (error_html)
1.69 cvs 3002: /* so we can show the error message */
3003: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 3004: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
3005: context_tcbf, HT_ERROR);
3006: return HT_ERROR;
3007: }
1.7 cvs 3008:
1.159 cvs 3009: /* if it's a 'docImage', we have already downloaded it */
1.265 cvs 3010: if (!strncmp ("internal:", urlName, 9))
1.159 cvs 3011: {
1.265 cvs 3012: strcpy (outputfile, urlName);
1.159 cvs 3013: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
3014: terminate_cbf, context_tcbf, HT_OK);
3015: return HT_OK;
3016: }
3017:
1.4 cvs 3018: /* do we support this protocol? */
1.116 cvs 3019: if (IsValidProtocol (urlName) == NO)
3020: {
3021: /* return error */
3022: outputfile[0] = EOS; /* file could not be opened */
3023: TtaSetStatus (docid, 1,
3024: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
3025: urlName);
3026:
3027: if (error_html)
1.69 cvs 3028: /* so we can show the error message */
3029: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 3030: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
3031: context_tcbf, HT_ERROR);
3032: return HT_ERROR;
3033: }
1.4 cvs 3034:
1.318 kahan 3035: /* we store CSS in subdir named 0; all the other files go to a subdir
1.114 cvs 3036: named after their own docid */
3037: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
1.116 cvs 3038: /* create a tempfilename */
1.318 kahan 3039: GetOutputFileName (outputfile, tempsubdir);
3040:
1.4 cvs 3041: /* normalize the URL */
1.300 kahan 3042: esc_url = EscapeURL (urlName);
1.206 cvs 3043: if (esc_url)
3044: {
1.265 cvs 3045: ref = AmayaParseUrl (esc_url, "", AMAYA_PARSE_ALL);
1.206 cvs 3046: TtaFreeMemory (esc_url);
3047: }
3048: else
3049: ref = NULL;
3050:
1.4 cvs 3051: /* should we abort the request if we could not normalize the url? */
1.198 cvs 3052: if (ref == NULL || ref[0] == EOS) {
1.69 cvs 3053: /*error */
3054: outputfile[0] = EOS;
3055: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.214 cvs 3056: if (ref)
3057: TtaFreeMemory (ref);
1.69 cvs 3058: if (error_html)
1.116 cvs 3059: /* so we can show the error message */
3060: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 3061: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 3062: context_tcbf, HT_ERROR);
1.69 cvs 3063: return HT_ERROR;
3064: }
1.116 cvs 3065:
1.4 cvs 3066: /* verify if that file name existed */
1.9 cvs 3067: if (TtaFileExist (outputfile))
1.77 cvs 3068: TtaFileUnlink (outputfile);
1.116 cvs 3069:
1.4 cvs 3070: /* Initialize the request structure */
3071: me = AHTReqContext_new (docid);
1.116 cvs 3072: if (me == NULL)
3073: {
3074: outputfile[0] = EOS;
3075: /* need an error message here */
3076: TtaFreeMemory (ref);
3077: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
3078: context_tcbf, HT_ERROR);
3079: return HT_ERROR;
3080: }
3081:
1.4 cvs 3082: /* Specific initializations for POST and GET */
1.222 cvs 3083: if (mode & AMAYA_FORM_POST
1.228 cvs 3084: || mode & AMAYA_FILE_POST)
1.116 cvs 3085: {
3086: me->method = METHOD_POST;
3087: HTRequest_setMethod (me->request, METHOD_POST);
3088: }
3089: else
3090: {
1.254 kahan 3091: #ifdef ANNOTATIONS
3092: /* we support the DELETE method for deleting annotations.
3093: the rest of the request is similar to the GET */
3094: if (mode & AMAYA_DELETE)
3095: {
3096: me->method = METHOD_GET;
3097: HTRequest_setMethod (me->request, METHOD_DELETE);
3098: }
3099: else
3100: #endif /* ANNOTATIONS */
3101: me->method = METHOD_GET;
1.295 kahan 3102: #ifdef ANNOTATIONS
3103: /* use the custom sent content_type */
3104: if (content_type && content_type[0] != EOS)
3105: AHTRequest_setCustomAcceptHeader (me->request, content_type);
3106: else
3107: #endif /* ANNOTATIONS */
3108: if (!HasKnownFileSuffix (ref))
1.216 cvs 3109: {
3110: /* try to adjust the Accept header in an netwise economical way */
3111: if (mode & AMAYA_LOAD_IMAGE)
3112: AHTRequest_setCustomAcceptHeader (me->request, IMAGE_ACCEPT_NEGOTIATION);
3113: else if (mode & AMAYA_LOAD_CSS)
3114: AHTRequest_setCustomAcceptHeader (me->request, "*/*;q=0.1,css/*");
1.294 kahan 3115: else
3116: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
1.216 cvs 3117: /*
3118: HTRequest_setConversion(me->request, acceptTypes, TRUE);
3119: */
3120: }
1.295 kahan 3121: else
3122: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
1.326 vatton 3123: /* IV 13/08/2003 */
1.327 vatton 3124: TtaGetEnvBoolean ("SEND_REFERER", &referer);
3125: if (referer && refdoc && DocumentURLs[refdoc] &&
3126: IsHTTPPath (DocumentURLs[refdoc]))
1.332 kahan 3127: {
3128: me->refdocUrl = TtaStrdup (DocumentURLs[refdoc]);
3129: AHTRequest_setRefererHeader (me);
3130: }
1.295 kahan 3131: /* language negotiation */
3132: HTRequest_setLanguage (me->request, acceptLanguages, TRUE);
1.116 cvs 3133: }
1.93 cvs 3134:
1.116 cvs 3135: /* Common initialization for all HTML methods */
1.4 cvs 3136: me->mode = mode;
3137: me->error_html = error_html;
3138: me->incremental_cbf = incremental_cbf;
3139: me->context_icbf = context_icbf;
3140: me->terminate_cbf = terminate_cbf;
3141: me->context_tcbf = context_tcbf;
1.64 cvs 3142:
1.69 cvs 3143: /* for the async. request modes, we need to have our
1.4 cvs 3144: own copy of outputfile and urlname
1.116 cvs 3145: */
1.4 cvs 3146:
1.116 cvs 3147: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
3148: {
1.265 cvs 3149: l = strlen (outputfile);
1.116 cvs 3150: if (l > MAX_LENGTH)
1.334 gully 3151: me->outputfile = (char *)TtaGetMemory (l + 2);
1.116 cvs 3152: else
1.334 gully 3153: me->outputfile = (char *)TtaGetMemory (MAX_LENGTH + 2);
1.265 cvs 3154: strcpy (me->outputfile, outputfile);
3155: l = strlen (urlName);
1.116 cvs 3156: if (l > MAX_LENGTH)
1.334 gully 3157: me->urlName = (char *)TtaGetMemory (l + 2);
1.116 cvs 3158: else
1.334 gully 3159: me->urlName = (char *)TtaGetMemory (MAX_LENGTH + 2);
1.265 cvs 3160: strcpy (me->urlName, urlName);
1.341 cvs 3161: /* TODO: a tester que ca marche bien avec WX */
3162: #ifdef _WINGUI
1.116 cvs 3163: /* force windows ASYNC requests to always be non preemptive */
3164: HTRequest_setPreemptive (me->request, NO);
1.341 cvs 3165: #endif /*_WINGUI */
1.116 cvs 3166: } /* AMAYA_ASYNC mode */
3167: else
1.341 cvs 3168: #ifdef _WINGUI
1.116 cvs 3169: {
1.233 cvs 3170: me->outputfile = outputfile;
3171: me->urlName = urlName;
1.116 cvs 3172: /* force windows SYNC requests to always be non preemptive */
3173: HTRequest_setPreemptive (me->request, YES);
3174: }
1.341 cvs 3175: #endif /* !_WINGUI */
1.331 gully 3176:
1.341 cvs 3177: #if defined(_UNIX) || defined(_WX)
1.116 cvs 3178: {
3179: me->outputfile = outputfile;
3180: me->urlName = urlName;
3181: }
3182: /***
1.136 cvs 3183: In order to take into account the stop button,
3184: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1.57 cvs 3185: we will loop until the document has been received or a stop signal
3186: generated
1.77 cvs 3187: ****/
1.116 cvs 3188: HTRequest_setPreemptive (me->request, NO);
1.341 cvs 3189: #endif /* #if defined(_UNIX) || defined(_WX) */
1.61 cvs 3190:
1.151 cvs 3191: /*
3192: ** Make sure that the first request is flushed immediately and not
3193: ** buffered in the output buffer
3194: */
3195: if (mode & AMAYA_FLUSH_REQUEST)
3196: HTRequest_setFlush(me->request, YES);
3197: HTRequest_setFlush(me->request, YES);
3198:
1.61 cvs 3199: /* prepare the URLname that will be displayed in teh status bar */
3200: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 3201: TtaSetStatus (me->docid, 1,
3202: TtaGetMessage (AMAYA, AM_FETCHING),
1.233 cvs 3203: me->status_urlName);
1.4 cvs 3204:
1.265 cvs 3205: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 3206: TtaFreeMemory (ref);
1.177 cvs 3207:
1.223 cvs 3208: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
1.177 cvs 3209: if (!bool_tmp && (mode & AMAYA_NOCACHE))
1.116 cvs 3210: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
3211:
3212: /* prepare the query string and format for POST */
3213: if (mode & AMAYA_FORM_POST)
1.114 cvs 3214: {
1.116 cvs 3215: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
3216: HTAtom_for ("application/x-www-form-urlencoded"));
3217: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
3218: HTRequest_setEntityAnchor (me->request, me->anchor);
3219: }
1.114 cvs 3220:
1.127 cvs 3221: /* create the formdata element for libwww */
1.236 cvs 3222: if (formdata && ! (mode & AMAYA_FILE_POST))
3223: me->formdata = PrepareFormdata (formdata);
1.127 cvs 3224:
1.297 kirschpi 3225:
3226: #ifdef DAV
1.302 kirschpi 3227: /* try to add an "If" header (lock information) also for POST
3228: * requests and for GET forms */
1.297 kirschpi 3229: if (HTRequest_method(me->request) == METHOD_POST ||
3230: (HTRequest_method(me->request) == METHOD_GET && me->formdata))
3231: DAVAddIfHeader (me,HTAnchor_address((HTAnchor*)me->anchor));
1.302 kirschpi 3232: #endif /* DAV */
1.297 kirschpi 3233:
3234:
1.116 cvs 3235: /* do the request */
3236: if (mode & AMAYA_FORM_POST)
1.119 cvs 3237: {
1.191 cvs 3238: /* this call doesn't give back a ThotBool */
1.119 cvs 3239: HTParentAnchor * posted = NULL;
3240:
3241: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
3242: me->request);
3243: status = posted ? YES : NO;
3244: }
1.222 cvs 3245: #ifdef ANNOTATIONS
1.251 kahan 3246: else if (mode & AMAYA_FILE_POST)
1.222 cvs 3247: {
1.228 cvs 3248: unsigned long filesize;
3249: char *fileURL;
3250:
3251: /* @@@ a very ugly patch :)))
3252: I'm copying here some of the functionality I use in the PUT
3253: I need to put the common parts in another module */
1.252 kahan 3254: AM_GetFileSize (formdata, &filesize);
1.228 cvs 3255: me->block_size = filesize;
3256:
1.233 cvs 3257: fileURL = HTParse (formdata, "file:/", PARSE_ALL);
1.228 cvs 3258: me->source = HTAnchor_findAddress (fileURL);
3259: HT_FREE (fileURL);
1.222 cvs 3260:
1.228 cvs 3261: /* hardcoded ... */
3262: AHTRequest_setCustomAcceptHeader (me->request, "application/xml");
1.222 cvs 3263: HTAnchor_setFormat (HTAnchor_parent (me->source),
3264: HTAtom_for ("application/xml"));
1.228 cvs 3265: HTAnchor_setFormat (me->anchor,
3266: HTAtom_for ("application/xml"));
3267: HTAnchor_setLength ((HTParentAnchor *) me->source, me->block_size);
3268: /* @@ here I need to actually read the file and put it in document,
3269: then, when I kill the request, I need to kill it */
3270: {
3271: FILE *fp;
3272: int i;
3273: char c;
3274:
1.334 gully 3275: me->document = (char *)TtaGetMemory (me->block_size + 1);
1.233 cvs 3276: fp = fopen (formdata, "r");
1.244 kahan 3277: i = 0;
1.228 cvs 3278: c = getc (fp);
3279: while (!feof (fp))
3280: {
3281: me->document[i++] = c;
3282: c = getc (fp);
3283: }
3284: me->document[i] = '\0';
3285: fclose (fp);
3286: }
3287: HTAnchor_setDocument ( (HTParentAnchor *) me->source,
3288: (void * ) me->document);
3289: HTRequest_setEntityAnchor (me->request, HTAnchor_parent (me->source));
3290:
3291: status = HTPostAnchor (HTAnchor_parent (me->source),
1.222 cvs 3292: (HTAnchor *) me->anchor,
3293: me->request);
3294: }
3295: #endif /* ANNOTATIONS */
1.127 cvs 3296: else if (formdata)
3297: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
3298: me->request);
1.116 cvs 3299: else
1.77 cvs 3300: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 3301:
1.123 cvs 3302: /* @@@ may need some special windows error msg here */
1.116 cvs 3303: /* control the errors */
1.4 cvs 3304:
1.130 cvs 3305: if (status == NO)
1.116 cvs 3306: /* the request invocation failed */
3307: {
3308: /* show an error message on the status bar */
3309: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
3310: TtaSetStatus (docid, 1,
3311: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
3312: urlName);
3313: if (me->reqStatus == HT_NEW)
3314: /* manually invoke the last processing that usually gets done
3315: in a succesful request */
3316: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
3317: terminate_cbf, context_tcbf, HT_ERROR);
3318: /* terminate_handler wasn't called */
1.136 cvs 3319: AHTReqContext_delete (me);
1.116 cvs 3320: }
3321: else
1.136 cvs 3322: /* end treatment for SYNC requests */
1.120 cvs 3323: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3324: {
1.136 cvs 3325: /* wait here untilt the asynchronous request finishes */
1.130 cvs 3326: status = LoopForStop (me);
1.136 cvs 3327: /* if status returns HT_ERROR, should we invoke the callback? */
1.120 cvs 3328: if (!HTRequest_kill (me->request))
3329: AHTReqContext_delete (me);
3330: }
1.130 cvs 3331:
1.136 cvs 3332: /* an interface problem!!! */
3333: return (status == YES ? 0 : -1);
1.4 cvs 3334: }
3335:
1.5 cvs 3336: /*----------------------------------------------------------------------
1.17 cvs 3337: PutObjectWWW
3338: frontend for uploading a resource to a URL. This function downloads
3339: a file to be uploaded into memory, it then calls UploadMemWWW to
3340: finish the job.
3341:
1.5 cvs 3342: 2 upload modes are proposed:
3343: AMAYA_SYNC : blocking mode
3344: AMAYA_ASYNC : non-blocking mode
3345:
1.4 cvs 3346: When the function is called with the SYNC mode, the function will
3347: return only when the file has been uploaded.
3348: The ASYNC mode will immediately return after setting up the
3349: call. Furthermore, at the end of an upload, the ASYNC mode will
3350: call back terminate_cbf, handling it the context defined in
3351: context_tcbf.
3352:
3353: Notes:
3354: At the end of a succesful request, the urlName string contains the
3355: name of the actually uploaded URL. As a URL can change over the time,
3356: (e.g., be redirected elsewhere), it is advised that the function
3357: caller verifies the value of the urlName variable at the end of
3358: a request.
3359:
3360: Inputs:
3361: - docid Document identifier for the set of objects being
3362: retrieved.
3363: - fileName A pointer to the local file to upload
3364: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
3365: - mode The retrieval mode.
3366: - terminate_cbf
3367: - context_icbf
3368: Callback and context for a terminate handler
3369:
3370: Outputs:
3371: - urlName The URL that was uploaded
3372:
3373: Returns:
3374: HT_ERROR
3375: HT_OK
1.5 cvs 3376: ----------------------------------------------------------------------*/
1.276 kahan 3377: int PutObjectWWW (int docid, char *fileName, char *urlName,
1.318 kahan 3378: char *contentType, char *outputfile, int mode,
1.265 cvs 3379: TTcbf *terminate_cbf, void *context_tcbf)
1.4 cvs 3380: {
1.116 cvs 3381: AHTReqContext *me;
1.250 cvs 3382: CHARSET charset;
1.4 cvs 3383: int status;
1.321 vatton 3384: unsigned long file_size = 0;
1.116 cvs 3385: char *fileURL;
1.168 cvs 3386: char *etag = NULL;
1.169 cvs 3387: HTParentAnchor *dest_anc_parent;
1.265 cvs 3388: char *tmp;
3389: char *esc_url;
1.168 cvs 3390: int UsePreconditions;
1.235 cvs 3391: char url_name[MAX_LENGTH];
1.285 kahan 3392: char *resource_name;
1.265 cvs 3393: char *tmp2;
1.239 cvs 3394: char file_name[MAX_LENGTH];
1.347 cvs 3395: ThotBool lost_update_check = TRUE;
1.172 cvs 3396:
1.318 kahan 3397: if (mode & AMAYA_SIMPLE_PUT)
3398: {
3399: lost_update_check = FALSE;
3400: UsePreconditions = FALSE;
3401: if (!outputfile)
3402: return HT_ERROR;
3403: }
3404: else
3405: {
3406: /* should we protect the PUT against lost updates? */
3407: tmp = TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
3408: if (tmp && *tmp && strcasecmp (tmp, "yes"))
3409: lost_update_check = FALSE;
1.168 cvs 3410:
1.318 kahan 3411: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
3412: }
1.4 cvs 3413:
1.33 cvs 3414: AmayaLastHTTPErrorMsg [0] = EOS;
1.256 kahan 3415: AmayaLastHTTPErrorMsgR [0] = EOS;
3416:
1.33 cvs 3417:
1.116 cvs 3418: if (urlName == NULL || docid == 0 || fileName == NULL
3419: || !TtaFileExist (fileName))
1.4 cvs 3420: /* no file to be uploaded */
3421: return HT_ERROR;
3422:
3423: /* do we support this protocol? */
1.7 cvs 3424: if (IsValidProtocol (urlName) == NO)
3425: {
3426: /* return error */
1.198 cvs 3427: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL), urlName);
1.7 cvs 3428: return HT_ERROR;
3429: }
1.116 cvs 3430:
1.228 cvs 3431: /* get the size of the file */
1.252 kahan 3432: if (!AM_GetFileSize (fileName, &file_size) || file_size == 0L)
1.7 cvs 3433: {
3434: /* file was empty */
3435: /*errmsg here */
3436: return (HT_ERROR);
3437: }
1.116 cvs 3438:
3439: /* prepare the request context */
1.4 cvs 3440: if (THD_TRACE)
1.228 cvs 3441: fprintf (stderr, "file size == %u\n", (unsigned) file_size);
1.4 cvs 3442:
3443: me = AHTReqContext_new (docid);
1.7 cvs 3444: if (me == NULL)
3445: {
1.168 cvs 3446: /* @@ need an error message here */
1.151 cvs 3447: TtaHandlePendingEvents ();
1.7 cvs 3448: return (HT_ERROR);
1.208 cvs 3449: }
3450:
3451: /*
3452: ** Set up the original URL name
3453: */
1.285 kahan 3454:
3455: /* are we using content-location? */
3456: if (DocumentMeta[docid]->content_location)
3457: resource_name = DocumentMeta[docid]->content_location;
3458: else
3459: resource_name = NULL;
3460:
3461: /* prepare the target URL */
3462: if (resource_name)
1.208 cvs 3463: {
1.285 kahan 3464: tmp = strstr (urlName, resource_name);
3465: if (!tmp)
1.208 cvs 3466: {
1.285 kahan 3467: /* urlName does not include the resource name */
1.334 gully 3468: me->default_put_name = (char *)TtaGetMemory (strlen (urlName)
1.285 kahan 3469: + strlen (resource_name)
3470: + sizeof (URL_SEP)
3471: + 1);
3472: strcpy (me->default_put_name, urlName);
3473: tmp = strrchr (me->default_put_name, URL_SEP);
3474: if (tmp)
1.208 cvs 3475: {
1.285 kahan 3476: /* it is a URL finishing in /. Only add the resrouce name */
3477: tmp++;
3478: strcpy (tmp, resource_name);
3479: }
3480: else
3481: {
3482: strcat (me->default_put_name, URL_STR);
3483: strcat (me->default_put_name, resource_name);
1.208 cvs 3484: }
3485: }
1.7 cvs 3486: }
1.285 kahan 3487:
3488: if (!me->default_put_name)
1.271 kahan 3489: me->default_put_name = TtaStrdup (urlName);
3490:
1.285 kahan 3491: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.116 cvs 3492:
1.4 cvs 3493: me->mode = mode;
3494: me->incremental_cbf = (TIcbf *) NULL;
3495: me->context_icbf = (void *) NULL;
3496: me->terminate_cbf = terminate_cbf;
3497: me->context_tcbf = context_tcbf;
1.286 kahan 3498:
3499: /* normalize the URL */
1.300 kahan 3500: esc_url = EscapeURL (urlName);
1.272 cvs 3501: me->urlName = TtaStrdup (esc_url);
1.206 cvs 3502: TtaFreeMemory (esc_url);
1.300 kahan 3503:
1.228 cvs 3504: me->block_size = file_size;
1.17 cvs 3505: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 3506: me->method = METHOD_PUT;
1.318 kahan 3507: if (mode & AMAYA_SIMPLE_PUT)
3508: {
3509: me->output = NULL;
3510: GetOutputFileName (outputfile, docid);
3511: me->outputfile = outputfile;
3512: }
3513: else
3514: {
3515: me->output = stdout;
3516: /* we are not expecting to receive any input from the server */
3517: me->outputfile = (char *) NULL;
3518: }
1.4 cvs 3519:
1.347 cvs 3520: /* @@IV 18/08/2004 eencode spaces in the local filename */
3521: fileURL = EscapeURL (fileName);
3522: if (fileURL)
3523: {
3524: strcpy (file_name, fileURL);
3525: TtaFreeMemory (fileURL);
3526: }
3527: else
3528: strcpy (file_name, fileName);
3529: fileURL = NULL;
3530:
1.340 gully 3531: #ifdef _WINDOWS
1.134 cvs 3532: /* libwww's HTParse function doesn't take into account the drive name;
1.168 cvs 3533: so we sidestep it */
1.134 cvs 3534: StrAllocCopy (fileURL, "file:");
1.235 cvs 3535: StrAllocCat (fileURL, file_name);
1.340 gully 3536: #endif /* _WINDOWS */
3537: #if defined(_UNIX)
1.347 cvs 3538: fileURL = HTParse (file_name, "file:/", PARSE_ALL);
1.340 gully 3539: #endif /* #if defined(_UNIX) */
1.331 gully 3540:
1.168 cvs 3541: me->source = HTAnchor_findAddress (fileURL);
1.116 cvs 3542: HT_FREE (fileURL);
1.273 cvs 3543: strcpy (url_name, me->urlName);
1.235 cvs 3544: me->dest = HTAnchor_findAddress (url_name);
1.169 cvs 3545: /* we memorize the anchor's parent @ as we use it a number of times
3546: in the following lines */
3547: dest_anc_parent = HTAnchor_parent (me->dest);
1.168 cvs 3548:
1.169 cvs 3549: /*
3550: ** Set the Content-Type of the file we are uploading
3551: */
3552: /* we try to use any content-type previosuly associated
3553: with the parent. If it doesn't exist, we try to guess it
3554: from the URL */
1.276 kahan 3555: /* @@ JK: trying to use the content type we stored */
3556: /*
1.235 cvs 3557: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
1.276 kahan 3558: */
3559: tmp2 = NULL;
1.235 cvs 3560: if (!tmp2 || !strcmp (tmp2, "www/unknown"))
1.169 cvs 3561: {
1.260 kahan 3562: HTAtom *tmp_atom;
1.276 kahan 3563:
1.260 kahan 3564: tmp_atom = AHTGuessAtom_for (me->urlName, contentType);
1.276 kahan 3565: if (!tmp_atom || !strcmp (HTAtom_name (tmp_atom), "www/unknown"))
3566: {
3567: /* ask the user for a MIME type */
3568: }
1.260 kahan 3569: HTAnchor_setFormat (dest_anc_parent, tmp_atom);
1.235 cvs 3570: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
1.169 cvs 3571: }
3572: /* .. and we give the same type to the source anchor */
3573: /* we go thru setOutputFormat, rather than change the parent's
3574: anchor, as that's the place that libwww expects it to be */
1.235 cvs 3575: HTAnchor_setFormat (HTAnchor_parent (me->source), HTAtom_for (tmp2));
1.219 cvs 3576:
1.235 cvs 3577: HTRequest_setOutputFormat (me->request, HTAtom_for (tmp2));
1.219 cvs 3578:
3579: /*
3580: ** Set the Charset of the file we are uploading
3581: */
1.240 cvs 3582: /* we set the charset as indicated in the document's metadata
3583: structure (and only if it exists) */
1.250 cvs 3584: charset = TtaGetDocumentCharset (docid);
3585: if (charset != UNDEFINED_CHARSET)
1.240 cvs 3586: {
1.250 cvs 3587: tmp = TtaGetCharsetName (charset);
1.272 cvs 3588: if (tmp && *tmp != EOS)
1.250 cvs 3589: {
1.273 cvs 3590: tmp2 = TtaStrdup (tmp);
1.250 cvs 3591: HTAnchor_setCharset (dest_anc_parent, HTAtom_for (tmp2));
3592: TtaFreeMemory (tmp2);
3593: tmp2 = HTAtom_name (HTAnchor_charset (dest_anc_parent));
3594: /* .. and we give the same charset to the source anchor */
3595: /* we go thru setCharSet, rather than change the parent's
3596: anchor, as that's the place that libwww expects it to be */
3597: HTAnchor_setCharset (HTAnchor_parent (me->source),
3598: HTAtom_for (tmp2));
3599: }
1.219 cvs 3600: }
3601:
3602: /*
3603: ** define other request characteristics
3604: */
1.134 cvs 3605: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 3606:
1.151 cvs 3607: /*
3608: ** Make sure that the first request is flushed immediately and not
3609: ** buffered in the output buffer
3610: */
3611: if (mode & AMAYA_FLUSH_REQUEST)
3612: HTRequest_setFlush(me->request, YES);
1.168 cvs 3613:
3614: /* Should we use preconditions? */
1.172 cvs 3615: if (lost_update_check)
1.168 cvs 3616: {
1.172 cvs 3617: if (UsePreconditions)
3618: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
3619:
3620: if (etag)
3621: {
3622: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
3623: }
3624: else
3625: {
3626: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3627: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
3628: HT_FILTER_MIDDLE, YES);
1.175 cvs 3629: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3630: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
3631: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3632: HT_REAUTH, HT_FILTER_MIDDLE, YES);
3633: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
3634: HT_ALL, HT_FILTER_MIDDLE, YES);
3635: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
3636: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
1.172 cvs 3637: }
1.168 cvs 3638: }
3639: else
3640: {
1.172 cvs 3641: /* don't use preconditions */
1.168 cvs 3642: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3643: }
1.151 cvs 3644:
1.136 cvs 3645: /* don't use the cache while saving a document */
3646: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 3647:
1.318 kahan 3648: #if 0
1.164 cvs 3649: /* Throw away any reponse body */
3650: /*
3651: HTRequest_setOutputStream (me->request, HTBlackHole());
3652: */
1.318 kahan 3653: HTRequest_setOutputStream (me->request, NULL);
3654: #endif
1.164 cvs 3655:
1.168 cvs 3656: /* prepare the URLname that will be displayed in the status bar */
1.74 cvs 3657: ChopURL (me->status_urlName, me->urlName);
1.233 cvs 3658: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING), me->status_urlName);
1.114 cvs 3659:
1.297 kirschpi 3660:
3661: #ifdef DAV
1.302 kirschpi 3662: /* MKP: for a PUT request, try to add an "If" header (lock information)
1.297 kirschpi 3663: * for a HEAD request, leave this for check_handler */
3664: if ( !(lost_update_check && (!UsePreconditions || !etag)) )
3665: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 3666: #endif /* DAV */
1.297 kirschpi 3667:
3668:
1.164 cvs 3669: /* make the request */
1.172 cvs 3670: if (lost_update_check && (!UsePreconditions || !etag))
1.168 cvs 3671: status = HTHeadAnchor (me->dest, me->request);
3672: else
3673: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1.4 cvs 3674:
1.130 cvs 3675: if (status == YES && me->reqStatus != HT_ERR)
1.7 cvs 3676: {
1.168 cvs 3677: /* part of the stop button handler */
3678: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3679: status = LoopForStop (me);
1.15 cvs 3680: }
1.136 cvs 3681: if (!HTRequest_kill (me->request))
3682: AHTReqContext_delete (me);
1.168 cvs 3683:
1.116 cvs 3684: TtaHandlePendingEvents ();
1.90 cvs 3685:
1.130 cvs 3686: return (status == YES ? 0 : -1);
1.28 cvs 3687: }
1.4 cvs 3688:
1.5 cvs 3689: /*----------------------------------------------------------------------
1.138 cvs 3690: StopRequest
1.17 cvs 3691: stops (kills) all active requests associated with a docid
1.5 cvs 3692: ----------------------------------------------------------------------*/
1.4 cvs 3693: void StopRequest (int docid)
3694: {
1.140 cvs 3695: if (Amaya && CanDoStop ())
1.138 cvs 3696: {
1.139 cvs 3697: #if 0 /* for later */
1.140 cvs 3698: AHTDocId_Status *docid_status;
3699: /* verify if there are any requests at all associated with docid */
1.138 cvs 3700: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
3701: Amaya->docid_status);
3702: if (docid_status == (AHTDocId_Status *) NULL)
3703: return;
1.139 cvs 3704: #endif /* 0 */
1.138 cvs 3705: /* temporary call to stop all requests, as libwww changed its API */
3706: StopAllRequests (docid);
3707: }
3708: }
3709:
1.190 cvs 3710: /* @@@ the docid parameter isn't used... clean it up */
1.138 cvs 3711: /*----------------------------------------------------------------------
3712: StopAllRequests
3713: stops (kills) all active requests. We use the docid
3714: ----------------------------------------------------------------------*/
3715: void StopAllRequests (int docid)
3716: {
1.4 cvs 3717: HTList *cur;
3718: AHTReqContext *me;
1.191 cvs 3719: static ThotBool lock_stop = 0;
3720: ThotBool async_flag;
1.232 cvs 3721: AHTReqStatus old_reqStatus;
1.116 cvs 3722:
1.138 cvs 3723: /* only do the stop if we're not being called while processing a
1.146 cvs 3724: request, and if we're not already dealing with a stop */
3725: if (Amaya && CanDoStop () && !lock_stop)
1.7 cvs 3726: {
1.100 cvs 3727: #ifdef DEBUG_LIBWWW
1.138 cvs 3728: fprintf (stderr, "StopRequest: number of Amaya requests "
3729: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 3730: #endif /* DEBUG_LIBWWW */
1.150 cvs 3731: /* enter the critical section */
1.146 cvs 3732: lock_stop = TRUE;
1.214 cvs 3733: /* set a module global variable so that we can do special
3734: processing easier */
3735: UserAborted_flag = TRUE;
1.232 cvs 3736: /* abort all outstanding libwww UI dialogues */
1.265 cvs 3737: CallbackDialogue (BaseDialog + FormAnswer, STRING_DATA, NULL);
3738: CallbackDialogue (BaseDialog + ConfirmForm, INTEGER_DATA, NULL);
1.164 cvs 3739: /* expire all outstanding timers */
3740: HTTimer_expireAll ();
1.160 cvs 3741: /* HTNet_killAll (); */
1.245 kahan 3742: if (Amaya->open_requests)
1.116 cvs 3743: {
1.245 kahan 3744: cur = Amaya->reqlist;
3745: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1.160 cvs 3746: {
1.245 kahan 3747: if (AmayaIsAlive ())
3748: {
1.161 cvs 3749: #ifdef DEBUG_LIBWWW
1.245 kahan 3750: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 3751: #endif /* DEBUG_LIBWWW */
1.245 kahan 3752:
3753: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
1.163 cvs 3754: {
1.245 kahan 3755: if ((me->mode & AMAYA_ASYNC)
3756: || (me->mode & AMAYA_IASYNC))
3757: async_flag = TRUE;
3758: else
3759: async_flag = FALSE;
3760:
3761: /* change the status to say that the request aborted */
3762: /* if the request was "busy", we just change a flag to say so and
3763: let the handler finish the processing itself */
3764: old_reqStatus = me->reqStatus;
3765: me->reqStatus = HT_ABORT;
3766: if (old_reqStatus == HT_BUSY)
3767: continue;
3768:
3769: /* kill the request, using the appropriate function */
3770: if (me->request->net)
3771: HTNet_killPipe (me->request->net);
3772: else
3773: {
3774: if (me->terminate_cbf)
3775: (*me->terminate_cbf) (me->docid, -1, me->urlName,
3776: me->outputfile,
3777: NULL,
3778: me->context_tcbf);
3779:
3780: if (async_flag)
3781: /* explicitly free the request context for async
3782: requests. The sync requests context is freed
3783: by LoopForStop */
3784: AHTReqContext_delete (me);
3785: }
3786: cur = Amaya->reqlist;
1.160 cvs 3787: }
1.344 vatton 3788: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.142 cvs 3789: #ifdef WWW_XWINDOWS
1.245 kahan 3790: /* to be on the safe side, remove all outstanding
3791: X events */
1.160 cvs 3792: else
3793: RequestKillAllXtevents (me);
1.142 cvs 3794: #endif /* WWW_XWINDOWS */
1.344 vatton 3795: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.245 kahan 3796: }
1.160 cvs 3797: }
1.245 kahan 3798: /* Delete remaining channels */
3799: HTChannel_safeDeleteAll ();
1.116 cvs 3800: }
1.214 cvs 3801: /* reset the stop status */
3802: UserAborted_flag = FALSE;
1.150 cvs 3803: /* exit the critical section */
1.148 cvs 3804: lock_stop = FALSE;
1.100 cvs 3805: #ifdef DEBUG_LIBWWW
1.138 cvs 3806: fprintf (stderr, "StopRequest: number of Amaya requests "
3807: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 3808: #endif /* DEBUG_LIBWWW */
1.138 cvs 3809: }
3810: } /* StopAllRequests */
1.17 cvs 3811:
3812:
1.105 cvs 3813: /*----------------------------------------------------------------------
3814: AmayaIsAlive
1.140 cvs 3815: returns the value of the AmayaAlive_flag
1.105 cvs 3816: ----------------------------------------------------------------------*/
1.191 cvs 3817: ThotBool AmayaIsAlive (void)
1.105 cvs 3818: {
1.140 cvs 3819: return AmayaAlive_flag;
3820: }
3821:
3822: /*----------------------------------------------------------------------
3823: CanDoStop
3824: returns the value of the CanDoStop flag
3825: ----------------------------------------------------------------------*/
1.191 cvs 3826: ThotBool CanDoStop (void)
1.140 cvs 3827: {
3828: return CanDoStop_flag;
3829: }
3830:
3831: /*----------------------------------------------------------------------
3832: CanDoStop_set
3833: sets the value of the CanDoStop flag
3834: ----------------------------------------------------------------------*/
1.191 cvs 3835: void CanDoStop_set (ThotBool value)
1.140 cvs 3836: {
3837: CanDoStop_flag = value;
1.176 cvs 3838: }
3839:
1.265 cvs 3840: /*----------------------------------------------------------------------
3841: ----------------------------------------------------------------------*/
1.176 cvs 3842: void libwww_updateNetworkConf (int status)
3843: {
3844: /* @@@ the docid parameter isn't used... clean it up */
3845: int docid = 1;
3846:
3847: /* first, stop all current requests, as the network
3848: may make some changes */
3849: StopAllRequests (docid);
1.207 cvs 3850:
3851: if (status & AMAYA_SAFEPUT_RESTART)
3852: {
3853: SafePut_delete ();
3854: SafePut_init ();
3855: }
1.176 cvs 3856:
3857: if (status & AMAYA_PROXY_RESTART)
3858: {
3859: HTProxy_deleteAll ();
3860: ProxyInit ();
3861: }
3862:
3863: if (status & AMAYA_CACHE_RESTART)
3864: {
3865: clear_cachelock ();
3866: HTCacheTerminate ();
3867: HTCacheMode_setEnabled (NO);
3868: CacheInit ();
3869: }
1.193 cvs 3870:
3871: if (status & AMAYA_LANNEG_RESTART)
3872: {
3873: /* clear the current values */
3874: if (acceptLanguages)
3875: HTLanguage_deleteAll (acceptLanguages);
3876: /* read in the new ones */
3877: acceptLanguages = HTList_new ();
3878: AHTAcceptLanguagesInit (acceptLanguages);
3879: }
1.105 cvs 3880: }
1.246 kahan 3881:
3882: /****************************************************************************
3883: ** The following two functions allow to set and read the value of *
3884: ** the FTPURL_flag. If this flag is true, it means we can browse FTP URLs *
3885: ***************************************************************************/
3886:
3887: /*----------------------------------------------------------------------
3888: AHT_FTPURL_flag_set
3889: ----------------------------------------------------------------------*/
3890: void AHTFTPURL_flag_set (ThotBool value)
3891: {
3892: FTPURL_flag = value;
3893: }
3894:
3895: /*----------------------------------------------------------------------
3896: AHT_FTPURL_flag
3897: ----------------------------------------------------------------------*/
3898: ThotBool AHTFTPURL_flag (void)
3899: {
3900: return (FTPURL_flag);
3901: }
1.308 kahan 3902:
3903:
3904: /*----------------------------------------------------------------------
3905: CheckSingleInstance
3906: Returns TRUE if this is the single instance of Amaya in the system,
3907: FALSE otherwise.
3908: N.B. : This implementation is naif.
3909: ----------------------------------------------------------------------*/
3910: ThotBool CheckSingleInstance (char *pid_dir)
3911: {
1.337 cvs 3912: #ifdef _WINGUI
1.308 kahan 3913: HWND hwnd;
3914:
1.310 cvs 3915: hwnd = FindWindow ("Amaya", NULL);
1.308 kahan 3916:
3917: if (!hwnd)
3918: return TRUE;
3919: else
3920: return FALSE;
3921:
1.337 cvs 3922: #endif /* _WINGUI */
1.308 kahan 3923:
1.338 cvs 3924: #ifdef _WX
3925: /* TODO */
3926: return TRUE;
3927: #endif /* _WX */
3928:
1.344 vatton 3929: #if defined(_GTK) || defined(_NOGUI)
1.308 kahan 3930: int instances;
3931: char *ptr;
3932: pid_t pid;
3933:
3934: DIR *dp;
3935: struct stat st;
3936: #ifdef HAVE_DIRENT_H
3937: struct dirent *d;
3938: #else
3939: struct direct *d;
3940: #endif /* HAVE_DIRENT_H */
3941: char filename[BUFSIZ+1];
3942:
3943: if ((dp = opendir (pid_dir)) == NULL)
3944: {
3945: /* @@@ we couldn't open the directory ... we need some msg */
3946: perror (pid_dir);
3947: return FALSE;
3948: }
3949:
3950: instances = 0;
3951:
3952: while ((d = readdir (dp)) != NULL)
3953: {
3954: /* skip the UNIX . and .. links */
3955: if (!strcmp (d->d_name, "..")
3956: || !strcmp (d->d_name, "."))
3957: continue;
3958:
3959: sprintf (filename, "%s%c%s", pid_dir, DIR_SEP, d->d_name);
3960: if (lstat (filename, &st) < 0 )
3961: {
3962: /* @@2 need some error message */
3963: perror (filename);
3964: continue;
3965: }
3966:
3967: switch (st.st_mode & S_IFMT)
3968: {
3969: case S_IFDIR:
3970: case S_IFLNK:
3971: /* skip any links and directories that we find */
3972: continue;
3973: break;
3974: default:
3975: /* check if this pid exists. If not, erase it */
3976: ptr = strrchr (filename, DIR_SEP);
3977: if (!ptr)
3978: continue;
3979: sscanf (ptr, DIR_STR"%d", &pid);
3980: if (kill (pid, 0) == -1)
3981: {
3982: /* erase the stale pid file */
3983: TtaFileUnlink (filename);
3984: }
3985: else /* we found one live instance */
3986: {
3987: instances++;
3988: }
3989: break;
3990: }
3991: }
3992: closedir (dp);
3993: return (instances == 0);
1.344 vatton 3994: #endif /* #if defined(_GTK) || defined(_NOGUI) */
1.331 gully 3995:
1.308 kahan 3996: }
3997:
3998: /*----------------------------------------------------------------------
3999: FreeAmayaCache
4000: ----------------------------------------------------------------------*/
4001: void FreeAmayaCache (void)
4002: {
1.340 gully 4003: #if defined(_UNIX)
1.308 kahan 4004: char str[MAX_LENGTH];
4005: pid_t pid;
4006:
4007: /* unregister this instance of Amaya */
4008: pid = getpid ();
4009: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
4010: if (TtaFileExist (str))
4011: TtaFileUnlink (str);
1.340 gully 4012: #endif /* #if defined(_UNIX) */
1.308 kahan 4013: }
4014:
4015: /*----------------------------------------------------------------------
4016: InitAmayaCache
4017: Create the temporary sub-directories for storing the HTML and
4018: other downloaded files.
4019: ----------------------------------------------------------------------*/
4020: void InitAmayaCache (void)
4021: {
4022: ThotBool can_erase;
4023: int i;
4024: char str[MAX_LENGTH];
4025: char *ptr;
1.340 gully 4026: #if defined(_UNIX)
1.308 kahan 4027: pid_t pid;
4028: int fd_pid;
1.340 gully 4029: #endif /* #if defined(_UNIX) */
1.308 kahan 4030:
1.340 gully 4031: #if defined(_UNIX)
1.308 kahan 4032: /* create the temp dir for the Amaya pid */
4033: sprintf (str, "%s%cpid", TempFileDirectory, DIR_SEP);
4034: TtaMakeDirectory (str);
1.340 gully 4035: #endif /* #if defined(_UNIX) */
1.308 kahan 4036:
4037: /* protection against dir names that have . in them to avoid
4038: erasing everything by accident */
4039: ptr = TempFileDirectory;
4040: can_erase = TRUE;
4041: while (*ptr && can_erase)
4042: {
4043: if (*ptr == '.')
4044: {
4045: if (*(ptr + 1) == '.')
4046: can_erase = FALSE;
4047: else
4048: ptr++;
4049: continue;
4050: }
4051: else if (*ptr == '~')
4052: can_erase = FALSE;
4053: else if (!isalnum (*ptr) && *ptr != DIR_SEP && *ptr != ':')
4054: can_erase = FALSE;
4055: ptr++;
4056: }
4057:
1.333 vatton 4058: /* Detect if it's a unique instance */
4059: AmayaUniqueInstance = CheckSingleInstance (str);
4060: if (can_erase && AmayaUniqueInstance)
1.308 kahan 4061: {
4062: /* Erase the previous directories */
4063: for (i = 0; i < DocumentTableLength; i++)
4064: {
4065: sprintf (str, "%s%c%d%c", TempFileDirectory, DIR_SEP, i, DIR_SEP);
4066: RecCleanCache (str);
4067: }
4068: }
4069:
4070: /* create the temporary cache directories if they don't exit*/
4071: for (i = 0; i < DocumentTableLength; i++)
4072: {
4073: sprintf (str, "%s%c%d", TempFileDirectory, DIR_SEP, i);
4074: TtaMakeDirectory (str);
4075: }
4076:
1.340 gully 4077: #if defined(_UNIX)
1.308 kahan 4078: /* register this instance of Amaya */
4079: pid = getpid ();
4080: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
4081: fd_pid = open (str, O_CREAT, S_IRUSR | S_IWUSR );
4082: if (fd_pid != -1)
4083: close (fd_pid);
4084: else
4085: printf ("Couldn't create fd_pid %s\n", str);
1.340 gully 4086: #endif /* #if defined(_UNIX) */
1.308 kahan 4087: }
1.325 kahan 4088:
4089: /*-----------------------------------------------------------------------
4090: ClearCacheEntry
4091: Clears the libwww cache entry for the corresponding URL, if it exists.
4092: -----------------------------------------------------------------------*/
4093: void ClearCacheEntry (char *url)
4094: {
4095: HTCache * cache;
4096: HTAnchor * anchor;
4097: HTParentAnchor * panchor;
4098:
4099: if (!url || !*url)
4100: return;
4101:
4102: anchor = HTAnchor_findAddress (url);
4103: panchor = HTAnchor_parent (anchor);
4104: cache = HTCache_find (panchor, NULL);
4105: if (cache)
4106: HTCache_remove (cache);
4107: }
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