Annotation of Amaya/amaya/query.c, revision 1.362
1.14 cvs 1: /*
2: *
1.356 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2005
1.14 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
1.156 cvs 5: *
1.14 cvs 6: */
1.243 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.116 cvs 17: /* defines to include elsewhere
18: *********************************/
19:
1.337 cvs 20: #ifdef _WINGUI
1.361 vatton 21: #include <string.h>
1.337 cvs 22: #endif /* !_WINGUI */
1.331 gully 23:
1.340 gully 24: #ifdef _WX
1.361 vatton 25: #include "wx/utils.h"
26: #include "wx/dir.h"
27: #include "wxAmayaSocketEvent.h"
28: #include "wxAmayaSocketEventLoop.h"
1.340 gully 29: #endif /* _WX */
30:
1.116 cvs 31: #define AMAYA_WWW_CACHE
1.168 cvs 32: #define AMAYA_LOST_UPDATE
1.116 cvs 33:
1.12 cvs 34: /* Amaya includes */
1.25 cvs 35: #define THOT_EXPORT extern
1.4 cvs 36: #include "amaya.h"
1.214 cvs 37: #include "init_f.h"
1.130 cvs 38: #include <sys/types.h>
1.331 gully 39:
1.338 cvs 40: #ifndef _WINDOWS
1.361 vatton 41: #include <unistd.h>
1.338 cvs 42: #endif /* #ifndef _WINDOWS */
1.331 gully 43:
1.70 cvs 44: #include <fcntl.h>
1.140 cvs 45: #include "HTEvtLst.h"
1.157 cvs 46: #include "HTAABrow.h"
1.272 cvs 47: #include "string.h"
1.279 cvs 48: #include "interface.h"
1.7 cvs 49:
1.141 cvs 50: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 51: #define CATCH_SIG
52: #endif
53:
54: /* local structures coming from libwww and which are
1.17 cvs 55: not found in any .h file
1.361 vatton 56: */
1.68 cvs 57:
1.7 cvs 58: struct _HTStream
1.361 vatton 59: {
60: const HTStreamClass *isa;
61: FILE *fp;
62: BOOL leave_open; /* Close file when TtaFreeMemory? */
63: char *end_command; /* Command to execute */
64: BOOL remove_on_close; /* Remove file? */
65: char *filename; /* Name of file */
66: HTRequest *request; /* saved for callback */
67: HTRequestCallback *callback;
68: };
1.7 cvs 69:
1.15 cvs 70:
1.7 cvs 71: struct _HTError
1.361 vatton 72: {
73: HTErrorElement element; /* Index number into HTError */
74: HTSeverity severity; /* A la VMS */
75: BOOL ignore; /* YES if msg should not go to user */
76: void *par; /* Explanation, e.g. filename */
77: int length; /* For copying by generic routine */
78: char *where; /* Which function */
79: };
1.7 cvs 80:
1.4 cvs 81: /* Type definitions and global variables etc. local to this module */
82:
1.17 cvs 83: /*----------------------------------------------------------------------*/
1.293 kahan 84:
85: /* libwww default parameters */
1.340 gully 86: #ifdef _WINDOWS
1.361 vatton 87: #define CACHE_DIR_NAME "\\libwww-cache\\"
1.340 gully 88: #endif /* _WINDOWS */
1.331 gully 89:
1.340 gully 90: #if defined(_UNIX)
1.361 vatton 91: #define CACHE_DIR_NAME "/libwww-cache/"
1.340 gully 92: #endif /* #if defined(_UNIX)*/
1.293 kahan 93:
94: #define DEFAULT_CACHE_SIZE 10
95: #define DEFAULT_MAX_CACHE_ENTRY_SIZE 3
96: #define DEFAULT_MAX_SOCKET 32
97: #define DEFAULT_DNS_TIMEOUT 1800L
98: #define DEFAULT_PERSIST_TIMEOUT 60L
99: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.294 kahan 100: /* defines the priority for general content negotiation */
101: #define GENERAL_ACCEPT_NEGOTIATION "*/*;q=0.1,"AM_SVG_MIME_TYPE","AM_MATHML_MIME_TYPE","AM_XHTML_MIME_TYPE
1.293 kahan 102: /* defines the priority for image content negotiation */
103: #define IMAGE_ACCEPT_NEGOTIATION "*/*;q=0.1,image/*,image/gif,image/jpeg,image/png,image/svg+xml,"AM_SVG_MIME_TYPE
104:
1.4 cvs 105: /*** private variables ***/
1.17 cvs 106:
1.4 cvs 107: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 108: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.193 cvs 109: static HTList *acceptLanguages = NULL; /* List of language priorities for the Accept header */
1.151 cvs 110: static HTList *transfer_encodings = NULL;
111: static HTList *content_encodings = NULL;
1.207 cvs 112: /* List of domains where we can do a safe PUT redirect */
113: static HTList *safeput_list = NULL;
114:
1.16 cvs 115: static int object_counter = 0; /* loaded objects counter */
1.191 cvs 116: static ThotBool AmayaAlive_flag; /* set to 1 if the application is active;
1.361 vatton 117: 0 if we have killed */
1.191 cvs 118: static ThotBool CanDoStop_flag; /* set to 1 if we can do a stop, 0
1.361 vatton 119: if we're inside a critical section */
1.214 cvs 120: static ThotBool UserAborted_flag; /* set to 1 if we're processing a user
1.361 vatton 121: induced stop request operation */
1.128 cvs 122: #ifdef AMAYA_WWW_CACHE
1.130 cvs 123: static int fd_cachelock; /* open handle to the .lock cache file */
124: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 125:
1.246 kahan 126: static ThotBool FTPURL_flag; /* if set to true, we can browse FTP URLs */
127:
1.248 kahan 128: static FILE *trace_fp = NULL; /* file pointer to the trace logs */
129:
1.15 cvs 130: #include "answer_f.h"
131: #include "query_f.h"
132: #include "AHTURLTools_f.h"
133: #include "AHTBridge_f.h"
134: #include "AHTMemConv_f.h"
135: #include "AHTFWrite_f.h"
1.4 cvs 136:
1.298 cvs 137: #ifdef DAV
1.335 gully 138: #define WEBDAV_EXPORT extern
1.298 cvs 139: #include "davlib.h"
140: #include "davlib_f.h"
141: #include "davlibCommon_f.h"
1.302 kirschpi 142: #endif /* DAV */
1.298 cvs 143:
1.116 cvs 144: /* prototypes */
145:
1.352 gully 146: #ifdef _WINDOWS
1.70 cvs 147: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.352 gully 148: #endif /* _WINDOWS */
1.297 kirschpi 149:
1.130 cvs 150: #ifdef AMAYA_WWW_CACHE
151: /***************************************************************
152: lock functions, used to avoid concurrent use of the cache
153: Mostly based on W. Richard Stevens' APUE book.
1.361 vatton 154: ***************************************************************/
1.130 cvs 155: /*----------------------------------------------------------------------
156: set_cachelock
157: sets a write lock on filename.
158: Returns -1 in case of failure, otherwise, it'll open a handle on
159: filename and fd_cachelock will take its value.
160: ----------------------------------------------------------------------*/
1.265 cvs 161: static int set_cachelock (char *filename)
1.130 cvs 162: {
1.331 gully 163: int status = 0;
1.338 cvs 164: #ifdef _WINDOWS
1.188 cvs 165:
166: status = TtaFileExist (filename);
167: return ((status) ? 0 : -1);
1.338 cvs 168: #endif /* _WINDOWS */
1.331 gully 169:
1.340 gully 170: #if defined(_UNIX)
1.130 cvs 171: struct flock lock;
172:
173: lock.l_type = F_WRLCK;
174: lock.l_start = 0;
175: lock.l_whence = SEEK_SET;
176: lock.l_len = 0;
177:
178: fd_cachelock = open (filename, O_WRONLY);
179:
180: if (fd_cachelock == -1)
181: status = -1;
182: else
183: status = fcntl(fd_cachelock, F_SETLK, &lock);
184:
185: if (status == -1)
1.190 cvs 186: {
1.179 cvs 187: if (fd_cachelock > 0)
1.361 vatton 188: close (fd_cachelock);
1.179 cvs 189: fd_cachelock = 0;
1.178 cvs 190: }
1.130 cvs 191: return (status);
1.340 gully 192: #endif /* #if defined(_UNIX) */
1.331 gully 193:
1.130 cvs 194: }
195:
196: /*----------------------------------------------------------------------
197: clear_cachelock
198: remove the write lock set on a filename.
199: It'll close the fd handle on filename and reset *fd to 0.
200: ----------------------------------------------------------------------*/
201: static int clear_cachelock (void)
202: {
1.331 gully 203: int status = 0;
1.130 cvs 204:
1.340 gully 205: #if defined(_UNIX)
1.178 cvs 206: if (!fd_cachelock)
1.130 cvs 207: return (-1);
208:
1.178 cvs 209: status = close (fd_cachelock);
1.130 cvs 210: fd_cachelock = 0;
1.340 gully 211: #endif /* #if defined(_UNIX) */
1.130 cvs 212:
213: return (status);
214: }
215:
216: /*----------------------------------------------------------------------
217: test_cachelock
218: returns 0 if a fd is not locked by other process, otherwise
219: returns the pid of the process who has the lock
220: ----------------------------------------------------------------------*/
1.265 cvs 221: static int test_cachelock (char *filename)
1.130 cvs 222: {
1.338 cvs 223: #ifdef _WINDOWS
1.185 cvs 224: /* if the lock is set, we can't unlink the file under Windows */
1.354 gully 225: if (TtaFileUnlink(filename) == 0)
1.188 cvs 226: return 0;
227: else
1.185 cvs 228: return -1;
1.331 gully 229: #endif
230:
1.340 gully 231: #if defined(_UNIX)
1.130 cvs 232: struct flock lock;
233: int fd, status;
234:
235: lock.l_type = F_WRLCK;
236: lock.l_start = 0;
237: lock.l_whence = SEEK_SET;
238: lock.l_len = 0;
239:
240: fd = open (filename, O_WRONLY);
241:
242: if (fd < 0)
243: return (-1);
244: /* is this file locked ? */
245: status = fcntl (fd, F_GETLK, &lock);
246: close (fd);
247:
248: if (status < 0)
249: return (-1);
250:
251: if (lock.l_type == F_UNLCK)
252: return (0); /* false, region is not locked by another proc */
253: return (lock.l_pid); /* true, return pid of lock owner */
1.340 gully 254: #endif /* #if defined(_UNIX) */
1.130 cvs 255: }
256:
257: #endif /* AMAYA_WWW_CACHE */
258:
1.15 cvs 259: /*----------------------------------------------------------------------
1.17 cvs 260: GetDocIdStatus
261: gets the status associated to a docid
1.15 cvs 262: ----------------------------------------------------------------------*/
263: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
264: {
1.361 vatton 265: AHTDocId_Status *me;
266: HTList *cur;
1.15 cvs 267:
1.361 vatton 268: if (documents)
269: {
270: cur = documents;
271:
272: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
273: {
274: if (me->docid == docid)
275: return (me);
276: }
277: }
278: return (AHTDocId_Status *) NULL;
1.15 cvs 279:
280: }
281:
1.5 cvs 282: /*----------------------------------------------------------------------
1.27 cvs 283: AHTGuessAtom_for
284: Converts an Amaya type descriptor into the equivalent MIME type.
285: ----------------------------------------------------------------------*/
1.276 kahan 286: static HTAtom *AHTGuessAtom_for (char *urlName, char *contentType)
1.27 cvs 287: {
1.361 vatton 288: HTAtom *atom;
289: char * filename;
290: HTEncoding enc = NULL;
291: HTEncoding cte = NULL;
292: HTLanguage lang = NULL;
293: double quality = 1.0;
294:
295: /* we already have a MIME type, we jsut return the atom */
296: if (contentType && *contentType)
297: atom = HTAtom_for (contentType);
298: else
299: {
300: /* we don't have the MIME type, so
301: we try to use the filename's suffix to infer it */
302: filename = AmayaParseUrl (urlName, "",
303: AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
304: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
305: TtaFreeMemory (filename);
306: if (atom == WWW_UNKNOWN)
307: {
308: /*
309: ** we could not identify the suffix, so we give it a default type.
310: ** (we should ask the user, but we're not ready for that yet).
311: */
312: atom = HTAtom_for ("text/html");
313: }
314: }
315: return atom;
1.27 cvs 316: }
317:
318: /*----------------------------------------------------------------------
1.238 cvs 319: HTTP_Headers_set
320: Copies the headers in which the application is interested, doing
321: any in-between conversions as needed.
322: ----------------------------------------------------------------------*/
1.315 vatton 323: void HTTP_headers_set (HTRequest *request, HTResponse *response,
1.361 vatton 324: void *context, int status)
1.238 cvs 325: {
1.267 kahan 326: AHTReqContext *me;
1.283 cvs 327: HTAtom *tmp_atom = NULL;
1.267 kahan 328: char *tmp_char;
1.285 kahan 329: char *tmp_char2;
1.284 kahan 330: char tmp_string[20];
1.267 kahan 331: HTParentAnchor *anchor;
1.287 kahan 332: ThotBool use_anchor;
1.307 vatton 333: HTError *pres;
1.313 kahan 334: HTList *cur;
1.312 kahan 335: int index;
1.267 kahan 336:
337: me = (AHTReqContext *) HTRequest_context (request);
1.282 kahan 338:
1.267 kahan 339: anchor = HTRequest_anchor (request);
1.238 cvs 340:
1.287 kahan 341: /* if we get a cached answer, we should get all the header information
342: from the anchor, instead of from the response object */
343: tmp_char = HTAnchor_physical (anchor);
344: if (tmp_char && !strncmp (tmp_char, "cache:", sizeof ("cache:") - 1))
345: use_anchor = TRUE;
346: else
347: use_anchor = FALSE;
348:
1.263 kahan 349: /* @@@ JK: we need a function here to specify which headers we
1.238 cvs 350: want to copy */
351:
1.267 kahan 352: /* copy the content_type if we didn't force it before */
353: if (me->http_headers.content_type == NULL)
1.260 kahan 354: {
1.267 kahan 355: /* trying to use the info in the anchor, rather than in the response.
1.361 vatton 356: Seems it's more recent */
1.282 kahan 357:
358: /* @@ JK: trying to use the content type stored in the response object */
1.287 kahan 359: if (!use_anchor && response)
1.361 vatton 360: tmp_atom = HTResponse_format (response);
1.282 kahan 361: if (!tmp_atom)
1.361 vatton 362: tmp_atom = HTAnchor_format (anchor);
1.260 kahan 363:
1.267 kahan 364: if (tmp_atom)
1.361 vatton 365: tmp_char = HTAtom_name (tmp_atom);
1.267 kahan 366: else
1.361 vatton 367: tmp_char = "www/unknown";
1.267 kahan 368:
369: if (tmp_char && tmp_char[0] != EOS)
1.361 vatton 370: {
371: /* libwww gives www/unknown when it gets an error. As this is
372: an HTML test, we force the type to text/html */
373: if (!strcmp (tmp_char, "www/unknown"))
374: {
375: /* if it's not a file downloaded from FTP, initialize the
376: content type to text/html by default */
377: me->http_headers.content_type = NULL;
378: }
379: else
380: me->http_headers.content_type = TtaStrdup (tmp_char);
1.267 kahan 381:
1.238 cvs 382: #ifdef DEBUG_LIBWWW
1.361 vatton 383: fprintf (stderr, "Set content type to: %s\n",
384: me->http_headers.content_type);
1.238 cvs 385: #endif /* DEBUG_LIBWWW */
1.361 vatton 386: }
1.238 cvs 387: }
1.267 kahan 388:
1.238 cvs 389: /* copy the charset */
1.267 kahan 390:
391: /* @@ JK I think there was a problem when using info directly from
392: the anchor... but what it was? The response object doesn't have
393: it anyway */
394: tmp_atom = HTAnchor_charset (anchor);
395: #if 0
1.260 kahan 396: if (use_anchor)
397: tmp_atom = HTAnchor_charset (anchor);
398: else
399: tmp_atom = HTResponse_charset (response);
1.267 kahan 400: #endif
401:
1.238 cvs 402: if (tmp_atom)
403: {
1.284 kahan 404: tmp_char = HTAtom_name (tmp_atom);
405: if (tmp_char)
1.361 vatton 406: me->http_headers.charset = TtaStrdup (tmp_char);
1.238 cvs 407: }
1.256 kahan 408:
1.268 kahan 409: /* copy the content length */
1.284 kahan 410: snprintf (tmp_string, sizeof (tmp_string), "%ld", HTAnchor_length (anchor));
411: me->http_headers.content_length = TtaStrdup (tmp_string);
1.268 kahan 412:
1.256 kahan 413: /* copy the reason */
1.319 kahan 414: if (status != HT_INTERRUPTED)
415: {
416: tmp_char = HTResponse_reason (response);
417: if (tmp_char)
1.361 vatton 418: me->http_headers.reason = TtaStrdup (tmp_char);
1.319 kahan 419: }
1.284 kahan 420:
421: /* copy the content-location */
422: tmp_char = HTAnchor_location (anchor);
1.285 kahan 423: if (tmp_char && *tmp_char)
1.304 kahan 424: {
425: /* make a copy of the full location_header, for computing the base url */
1.305 kahan 426: if (HTURL_isAbsolute (tmp_char))
1.361 vatton 427: me->http_headers.full_content_location = TtaStrdup (tmp_char);
1.305 kahan 428: else
1.361 vatton 429: me->http_headers.full_content_location = AmayaParseUrl (tmp_char, me->urlName,
430: AMAYA_PARSE_ALL);
1.305 kahan 431: tmp_char = me->http_headers.full_content_location;
1.285 kahan 432: /* only include the filename. We suppose we have either a
1.361 vatton 433: relative or an absolute URL and that everything after the last
434: slash is the doc name + ext */
1.285 kahan 435: if (HTURL_isAbsolute (tmp_char))
1.361 vatton 436: {
437: tmp_char2 = tmp_char + strlen (tmp_char) - 1;
438: while (*tmp_char2 != URL_SEP && tmp_char2 != tmp_char)
439: tmp_char2--;
440: if (tmp_char2 != tmp_char && *(tmp_char2 + 1))
441: tmp_char = tmp_char2 + 1;
442: }
1.285 kahan 443: me->http_headers.content_location = TtaStrdup (tmp_char);
444: }
1.307 vatton 445:
446: /* copy the status */
1.312 kahan 447: me->http_headers.status = 0;
1.313 kahan 448:
449: cur = request->error_stack;
450: while (me->http_headers.reason == NULL
1.361 vatton 451: && (pres = (HTError *) HTList_nextObject (cur)))
1.312 kahan 452: {
453: index = HTError_index (pres);
454: switch (index)
1.361 vatton 455: {
456: case HTERR_NO_REMOTE_HOST:
457: case HTERR_SYSTEM:
458: case HTERR_INTERNAL:
459: case HTERR_TIME_OUT:
460: case HTERR_CSO_SERVER:
461: me->http_headers.status = index;
462: if (me->http_headers.reason)
463: TtaFreeMemory (me->http_headers.reason);
464: me->http_headers.reason = TtaStrdup ("Cannot contact server");
465: break;
466: case HTERR_INTERRUPTED:
467: me->http_headers.status = index;
468: if (me->http_headers.reason)
469: TtaFreeMemory (me->http_headers.reason);
470: me->http_headers.reason = TtaStrdup ("Interrupted");
471: break;
472: }
1.312 kahan 473: }
1.238 cvs 474: }
475:
476: /*----------------------------------------------------------------------
477: HTTP_headers_delete
478: Deletes all the paramaters that were assigned to the response type
479: ----------------------------------------------------------------------*/
480: static void HTTP_headers_delete (AHTHeaders me)
481: {
482: if (me.content_type)
483: TtaFreeMemory (me.content_type);
484:
485: if (me.charset)
486: TtaFreeMemory (me.charset);
1.268 kahan 487:
488: if (me.content_length)
489: TtaFreeMemory (me.content_length);
1.256 kahan 490:
491: if (me.reason)
492: TtaFreeMemory (me.reason);
1.284 kahan 493:
494: if (me.content_location)
495: TtaFreeMemory (me.content_location);
1.304 kahan 496:
497: if (me.full_content_location)
498: TtaFreeMemory (me.full_content_location);
1.238 cvs 499: }
500:
501: /*----------------------------------------------------------------------
502: HTTP_headers
503: Returns the value of a parameter in the HTTP response structure.
504: Returns null if this structure is empty.
505: ----------------------------------------------------------------------*/
1.265 cvs 506: char *HTTP_headers (AHTHeaders *me, AHTHeaderName param)
1.238 cvs 507: {
1.265 cvs 508: char *result;
1.238 cvs 509:
510: if (!me)
511: return NULL;
512:
513: switch (param)
514: {
515: case AM_HTTP_CONTENT_TYPE:
516: result = me->content_type;
517: break;
518: case AM_HTTP_CHARSET:
519: result = me->charset;
1.268 kahan 520: break;
521: case AM_HTTP_CONTENT_LENGTH:
522: result = me->content_length;
1.238 cvs 523: break;
1.256 kahan 524: case AM_HTTP_REASON:
525: result = me->reason;
1.284 kahan 526: break;
527: case AM_HTTP_CONTENT_LOCATION:
528: result = me->content_location;
1.304 kahan 529: break;
530: case AM_HTTP_FULL_CONTENT_LOCATION:
531: result = me->full_content_location;
1.256 kahan 532: break;
1.238 cvs 533: default:
534: result = NULL;
535: }
536:
537: return result;
538: }
539:
540: /*----------------------------------------------------------------------
1.17 cvs 541: AHTReqContext_new
542: create a new Amaya Context Object and update the global Amaya
543: request status.
1.297 kirschpi 544:
545: ----------------------------------------------------------------------
546: MKP: this function is now used in davlib.c file for the WebDAV requests
1.299 kirschpi 547:
1.297 kirschpi 548: ---------------------------------------------------------------------- */
549: AHTReqContext *AHTReqContext_new (int docid)
1.4 cvs 550: {
1.361 vatton 551: AHTReqContext *me;
552: AHTDocId_Status *docid_status;
1.4 cvs 553:
1.361 vatton 554: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
555: outofmem (__FILE__, "AHTReqContext_new");
1.116 cvs 556:
1.361 vatton 557: /* clear the structure */
558: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 559:
1.361 vatton 560: /* Bind the Context object together with the Request Object */
561: me->request = HTRequest_new ();
1.81 cvs 562:
1.361 vatton 563: /* clean the associated file structure) */
564: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 565:
1.361 vatton 566: /* Initialize the other members of the structure */
567: me->reqStatus = HT_NEW; /* initial status of a request */
568: me->docid = docid;
569: HTRequest_setMethod (me->request, METHOD_GET);
570: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
571: HTRequest_setContext (me->request, me);
572:
573: /* experimental */
574: me->read_sock = INVSOC;
575: me->write_sock = INVSOC;
576: me->except_sock = INVSOC;
577:
578: /* Update the global context */
579: HTList_appendObject (Amaya->reqlist, (void *) me);
580:
581: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
582:
583: if (docid_status == NULL)
584: {
585: docid_status = (AHTDocId_Status *)
586: TtaGetMemory (sizeof (AHTDocId_Status));
587: docid_status->docid = docid;
588: docid_status->counter = 1;
589: HTList_addObject (Amaya->docid_status, (void *) docid_status);
590: }
591: else
592: docid_status->counter++;
1.4 cvs 593:
1.297 kirschpi 594: #ifdef DAV /* clean the DAV request context */
1.361 vatton 595: me->dav_context = NULL; /* it should be create only when doing a DAV request */
1.302 kirschpi 596: #endif /* DAV */
1.297 kirschpi 597:
1.361 vatton 598: Amaya->open_requests++;
1.4 cvs 599:
1.74 cvs 600: #ifdef DEBUG_LIBWWW
1.361 vatton 601: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
1.74 cvs 602: #endif
1.116 cvs 603:
1.361 vatton 604: return me;
1.4 cvs 605: }
606:
1.5 cvs 607: /*----------------------------------------------------------------------
1.17 cvs 608: AHTReqContext_delete
609: Delete an Amaya Context Object and update the global Amaya request
610: status.
1.5 cvs 611: ----------------------------------------------------------------------*/
1.191 cvs 612: ThotBool AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 613: {
1.361 vatton 614: AHTDocId_Status *docid_status;
1.4 cvs 615:
1.361 vatton 616: if (me)
617: {
1.74 cvs 618: #ifdef DEBUG_LIBWWW
1.361 vatton 619: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 620: #endif
1.297 kirschpi 621:
622: #ifdef DAV /* if there is a DAV context object, delete it */
1.361 vatton 623: if (me->dav_context) AHTDAVContext_delete ((AHTDAVContext*)me->dav_context);
1.297 kirschpi 624: #endif /* DAV */
625:
1.361 vatton 626: if (Amaya->reqlist)
627: HTList_removeObject (Amaya->reqlist, (void *) me);
1.138 cvs 628:
1.361 vatton 629: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
630: if (docid_status)
631: {
632: docid_status->counter--;
1.138 cvs 633:
1.361 vatton 634: if (docid_status->counter == 0)
635: {
636: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
637: TtaFreeMemory ((void *) docid_status);
638: }
639: }
640:
641: HTNoFreeStream_delete (HTRequest_outputStream (me->request));
642: HTRequest_setOutputStream (me->request, NULL);
643: /* JK: no longer needed in libwww 5.2.3
644: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
645: AHTFWriter_FREE (HTRequest_outputStream (me->request));
646: */
647: HTRequest_delete (me->request);
1.138 cvs 648:
1.361 vatton 649: if (me->output && me->output != stdout)
650: {
1.85 cvs 651: #ifdef DEBUG_LIBWWW
1.361 vatton 652: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
653: "FILE %p\n", me->urlName, me->output);
1.85 cvs 654: #endif
1.361 vatton 655: TtaReadClose (me->output);
656: me->output = NULL;
657: }
1.79 cvs 658:
1.361 vatton 659: if (me->error_stream != (char *) NULL)
660: HT_FREE (me->error_stream);
1.344 vatton 661: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.138 cvs 662: #ifdef WWW_XWINDOWS
1.361 vatton 663: if (me->read_xtinput_id || me->write_xtinput_id ||
664: me->except_xtinput_id)
665: RequestKillAllXtevents(me);
1.138 cvs 666: #endif /* WWW_XWINDOWS */
1.344 vatton 667: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.138 cvs 668:
1.361 vatton 669: if (me->reqStatus == HT_ABORT)
670: {
671: if (me->outputfile && me->outputfile[0] != EOS)
672: {
673: TtaFileUnlink (me->outputfile);
674: me->outputfile[0] = EOS;
675: }
676: }
1.138 cvs 677:
1.361 vatton 678: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
679: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
680: or in PutObjectWWW */
681: {
682: if (me->urlName)
683: TtaFreeMemory (me->urlName);
684: if (me->outputfile)
685: TtaFreeMemory (me->outputfile);
686: }
1.206 cvs 687:
1.361 vatton 688: /* the real name to which we are publishing */
689: if (me->default_put_name)
690: TtaFreeMemory (me->default_put_name);
691:
692: /* @@ temp change for the %esc conversion */
693: if (me->method == METHOD_PUT && me->urlName)
694: TtaFreeMemory (me->urlName);
1.238 cvs 695:
1.361 vatton 696: if (me->formdata)
697: HTAssocList_delete (me->formdata);
698:
699: /* erase the response headers */
700: HTTP_headers_delete (me->http_headers);
1.138 cvs 701:
1.228 cvs 702: #ifdef ANNOTATIONS
1.361 vatton 703: if (me->document)
704: TtaFreeMemory (me->document);
1.228 cvs 705: #endif /* ANNOTATIONS */
706:
1.361 vatton 707: if (me->refdocUrl)
708: TtaFreeMemory (me->refdocUrl);
1.332 kahan 709:
1.361 vatton 710: /* to trace bugs */
711: memset ((void *) me, 0, sizeof (AHTReqContext));
1.138 cvs 712:
1.361 vatton 713: TtaFreeMemory ((void *) me);
1.138 cvs 714:
1.361 vatton 715: Amaya->open_requests--;
1.138 cvs 716:
1.361 vatton 717: return TRUE;
718: }
719: return FALSE;
1.4 cvs 720: }
721:
722:
1.15 cvs 723: /*----------------------------------------------------------------------
1.17 cvs 724: Thread_deleteAll
725: this function deletes the whole list of active threads.
1.5 cvs 726: ----------------------------------------------------------------------*/
1.4 cvs 727: static void Thread_deleteAll (void)
728: {
1.21 cvs 729: HTList *cur;
730: AHTReqContext *me;
731: AHTDocId_Status *docid_status;
732:
1.74 cvs 733: if (Amaya && Amaya->reqlist)
734: {
735: if (Amaya->open_requests > 0)
736: #ifdef DEBUG_LIBWWW
1.361 vatton 737: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
738: "requests\n", Amaya->open_requests);
1.74 cvs 739: #endif
1.344 vatton 740: {
1.361 vatton 741: cur = Amaya->reqlist;
742: /* erase the requests */
743: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
744: {
745: if (me->request)
746: {
1.344 vatton 747: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.142 cvs 748: #ifdef WWW_XWINDOWS
1.361 vatton 749: RequestKillAllXtevents (me);
1.142 cvs 750: #endif /* WWW_XWINDOWS */
1.344 vatton 751: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.361 vatton 752: if (!HTRequest_kill (me->request))
753: AHTReqContext_delete (me);
754: }
755: }
1.74 cvs 756:
1.361 vatton 757: /* erase the docid_status entities */
758: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((HTList *) Amaya->docid_status)))
759: TtaFreeMemory ((void *) docid_status);
1.344 vatton 760: }
1.74 cvs 761: }
1.4 cvs 762: }
1.198 cvs 763:
1.5 cvs 764: /*----------------------------------------------------------------------
1.83 cvs 765: AHTOpen_file
766: ----------------------------------------------------------------------*/
1.85 cvs 767: int AHTOpen_file (HTRequest * request)
1.83 cvs 768: {
769: AHTReqContext *me; /* current request */
770:
1.334 gully 771: me = (AHTReqContext *)HTRequest_context (request);
1.93 cvs 772: if (!me)
1.361 vatton 773: return HT_ERROR;
1.83 cvs 774: #ifdef DEBUG_LIBWWW
1.116 cvs 775: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 776: #endif /* DEBUG_LIBWWW */
777: if (me->reqStatus == HT_ABORT)
778: {
779: #ifdef DEBUG_LIBWWW
780: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 781: #endif /* DEBUG_LIBWWW */
1.85 cvs 782: return HT_OK;
783: }
784:
1.318 kahan 785: /* me->outputfile is only set when we want to store whatever result the server
786: sends back */
787: if (me->method == METHOD_PUT && !me->outputfile)
1.136 cvs 788: {
789: me->reqStatus = HT_WAITING;
790: return HT_OK;
791: }
792:
1.85 cvs 793: if (HTRequest_outputStream (me->request))
794: {
795: #ifdef DEBUG_LIBWWW
796: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
797: #endif /* DEBUG_LIBWWW */
798: return HT_OK;
799: }
800:
801: #ifdef DEBUG_LIBWWW
1.265 cvs 802: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
1.85 cvs 803: #endif /* DEBUG_LIBWWW */
804:
1.83 cvs 805: if (!(me->output) &&
806: (me->output != stdout) &&
1.350 vatton 807: (me->output = TtaWriteOpen (me->outputfile)) == NULL)
808: {
1.131 cvs 809: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 810: #ifdef DEBUG_LIBWWW
811: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
812: #endif
1.265 cvs 813: TtaSetStatus (me->docid, 1,
1.361 vatton 814: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
815: me->outputfile);
1.83 cvs 816: me->reqStatus = HT_ERR;
817: return (HT_ERROR);
818: }
819:
820: HTRequest_setOutputStream (me->request,
1.361 vatton 821: AHTFWriter_new (me->request, me->output, YES));
1.83 cvs 822: me->reqStatus = HT_WAITING;
1.318 kahan 823:
1.83 cvs 824: return HT_OK;
825: }
826:
827: /*----------------------------------------------------------------------
1.265 cvs 828: SafePut_init
829: Sets up the domains which are authorized to make a redirect on
830: a PUT.
831: ----------------------------------------------------------------------*/
832: static void SafePut_init (void)
833: {
834: char *strptr;
1.266 cvs 835: char *ptr, *ptr2;
836: char *domain;
1.265 cvs 837:
838: /* get the proxy settings from the thot.ini file */
839: strptr = TtaGetEnvString ("SAFE_PUT_REDIRECT");
840: if (strptr && *strptr)
841: {
842: /* Get copy we can mutilate */
1.266 cvs 843: ptr2 = TtaStrdup (strptr);
1.265 cvs 844: /* convert to lowercase */
1.266 cvs 845: ptr = ptr2;
1.265 cvs 846: while (*ptr)
1.361 vatton 847: {
848: *ptr = tolower (*ptr);
849: ptr++;
850: }
1.265 cvs 851:
852: /* create the list container */
1.266 cvs 853: safeput_list = HTList_new ();
854:
1.265 cvs 855: /* store the domain list */
1.266 cvs 856: ptr = ptr2;
857: while ((domain = HTNextField (&ptr)) != NULL)
1.361 vatton 858: HTList_addObject (safeput_list, TtaStrdup (domain));
1.265 cvs 859:
860: TtaFreeMemory (ptr2);
861: }
862: }
863:
864: /*----------------------------------------------------------------------
865: SafePut_delete
866: Deletes the safeput_list variable
867: ----------------------------------------------------------------------*/
868: static void SafePut_delete (void)
869: {
870: HTList *cur = safeput_list;
871: char *domain;
872:
873: if (!safeput_list)
874: return;
875:
876: while ((domain = (char *) HTList_nextObject (cur)))
1.361 vatton 877: TtaFreeMemory (domain);
878: HTList_delete (safeput_list);
879: safeput_list = NULL;
1.265 cvs 880: }
881:
882: /*----------------------------------------------------------------------
883: SafePut_query
1.328 quint 884: returns true if the domain to which the URL belongs accepts an automatic
1.265 cvs 885: PUT redirect.
886: ----------------------------------------------------------------------*/
887: static ThotBool SafePut_query (char *url)
888: {
1.266 cvs 889: HTList *cur;
890: char *me;
891: ThotBool found;
892: char tmp[MAX_LENGTH];
1.265 cvs 893:
894: /* extract the domain path of the url and normalize it */
895: /* domain = url; */
896: cur = safeput_list;
897: found = FALSE;
898:
1.266 cvs 899: while ((me = (char *) HTList_nextObject (cur)))
900: {
1.273 cvs 901: strcpy (tmp, me);
1.266 cvs 902: if (strstr (url, tmp))
1.361 vatton 903: {
904: found = TRUE;
905: break;
906: }
1.328 quint 907: }
1.265 cvs 908:
909: return (found);
910: }
911:
912: /*----------------------------------------------------------------------
1.17 cvs 913: redirection_handler
914: this function is registered to handle permanent and temporary
915: redirections.
916: ----------------------------------------------------------------------*/
1.265 cvs 917: static int redirection_handler (HTRequest *request, HTResponse *response,
1.361 vatton 918: void *param, int status)
1.4 cvs 919: {
1.265 cvs 920: HTAnchor *new_anchor = HTResponse_redirection (response);
1.334 gully 921: AHTReqContext *me = (AHTReqContext *)HTRequest_context (request);
1.265 cvs 922: HTMethod method = HTRequest_method (request);
923: char *ref;
924: char *escape_src, *dst;
925: char urlAdr[MAX_LENGTH];
926:
1.361 vatton 927: if (!me)
928: /* if the redirect doesn't come from Amaya, we call libwww's standard redirect filter */
929: return (HTRedirectFilter (request, response, param, status));
1.265 cvs 930:
1.361 vatton 931: if (!new_anchor)
932: {
933: if (PROT_TRACE)
934: HTTrace ("Redirection. No destination\n");
935: return HT_OK;
936: }
937:
938: /*
939: ** Only do redirect on GET, HEAD, and authorized domains for PUT
940: */
941: if ((me->method == METHOD_PUT && !SafePut_query (me->urlName)) ||
942: (me->method != METHOD_PUT && !HTMethod_isSafe (method)))
943: {
944: /*
945: ** If we got a 303 See Other then change the method to GET.
946: ** Otherwise ask the user whether we should continue.
947: */
948: if (status == HT_SEE_OTHER)
949: {
950: if (PROT_TRACE)
951: HTTrace("Redirection. Changing method from %s to GET\n", HTMethod_name(method));
952: HTRequest_setMethod(request, METHOD_GET);
953: }
954: else
955: {
956: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
957: if (prompt)
958: {
959: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION, NULL, NULL, NULL) != YES)
960: {
961: /* the user didn't agree on the redirection, so
962: we consider it's an abort */
963: me->reqStatus = HT_ABORT;
964: /* and we return HT_OK so that the terminate_handler
965: will be called */
966: return HT_OK;
967: }
968: }
969: }
970: }
971:
972: /*
973: ** Start new request with the redirect anchor found in the headers.
974: ** Note that we reuse the same request object which means that we must
975: ** keep this around until the redirected request has terminated. It also
976: ** allows us in an easy way to keep track of the number of redirections
977: ** so that we can detect endless loops.
978: */
979: if (HTRequest_doRetry (request))
980: {
981: /*
982: ** Start request with new credentials
983: */
984: /* only do a redirect using a network protocol understood by Amaya */
985: strncpy (urlAdr, new_anchor->parent->address, MAX_LENGTH - 1);
986: urlAdr[MAX_LENGTH - 1] = EOS;
987: if (me->urlName && !strcmp (me->urlName, urlAdr))
988: {
989: /* redirect to itself */
990: me->reqStatus = HT_ABORT;
991: /* and we return HT_OK so that the terminate_handler
992: will be called */
993: return HT_OK;
994: }
995: if (IsValidProtocol (urlAdr))
996: {
997: /* if it's a valid URL, we try to normalize it */
998: /* We use the pre-redirection anchor as a base name */
999: /* @@ how to obtain this address here? */
1000: dst = urlAdr;
1001: escape_src = EscapeURL (me->urlName);
1002: if (escape_src)
1003: {
1004: ref = AmayaParseUrl (dst, escape_src, AMAYA_PARSE_ALL);
1005: if (me->method != METHOD_PUT)
1006: AHTRequest_setRefererHeader (me);
1007: TtaFreeMemory (escape_src);
1008: }
1009: else
1010: ref = NULL;
1.265 cvs 1011:
1.361 vatton 1012: if (ref)
1013: {
1014: HTAnchor_setPhysical (HTAnchor_parent (new_anchor), ref);
1015: TtaFreeMemory (ref);
1016: }
1017: else
1018: return HT_OK; /* We can't redirect anymore */
1019: }
1020: else
1021: return HT_OK; /* We can't redirect anymore */
1.265 cvs 1022:
1.361 vatton 1023: /* update the current file name */
1024: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC) ||
1025: (me->method == METHOD_PUT))
1026: {
1027: TtaFreeMemory (me->urlName);
1028: me->urlName = TtaStrdup (urlAdr);
1029: }
1030: else
1031: {
1032: /* it's a SYNC mode, so we should keep the urlName */
1033: strncpy (me->urlName, urlAdr, MAX_LENGTH - 1);
1034: me->urlName[MAX_LENGTH - 1] = EOS;
1035: }
1036: ChopURL (me->status_urlName, me->urlName);
1037:
1038: /* @@ verify if this is important */
1039: /* @@@ new libwww doesn't need this free stream while making
1040: a PUT. Is it the case everywhere or just for PUT? */
1.358 cvs 1041: if (me->method != METHOD_PUT &&
1042: me->request->orig_output_stream != NULL)
1043: {
1.361 vatton 1044: AHTFWriter_FREE (me->request->orig_output_stream);
1045: me->request->orig_output_stream = NULL;
1046: if (me->output != stdout)
1047: {
1048: /* Are we writing to a file? */
1.257 kahan 1049: #ifdef DEBUG_LIBWWW
1.361 vatton 1050: fprintf (stderr, "redirection_handler: New URL is %s, closing FILE %p\n", me->urlName, me->output);
1.257 kahan 1051: #endif
1.361 vatton 1052: TtaReadClose (me->output);
1053: me->output = NULL;
1054: }
1.358 cvs 1055: }
1.265 cvs 1056:
1.361 vatton 1057: /* tell the user what we're doing */
1058: TtaSetStatus (me->docid, 1,
1059: TtaGetMessage (AMAYA, AM_RED_FETCHING), me->status_urlName);
1060: /*
1061: ** launch the request
1062: */
1063: /* add a link relationship? */
1064: /* reset the request status */
1065: me->reqStatus = HT_NEW;
1066: /* clear the errors */
1067: HTError_deleteAll (HTRequest_error (request));
1068: HTRequest_setError (request, NULL);
1069: /* clear the authentication credentials, as they get regenerated */
1070: HTRequest_deleteCredentialsAll (request);
1.297 kirschpi 1071:
1072: #ifdef DAV
1.361 vatton 1073: /* remove the old header "If" (WebDAV lock information) */
1074: DAVRemoveIfHeader (me);
1.297 kirschpi 1075:
1.361 vatton 1076: /* search lock information for the new url */
1077: if (me->method == METHOD_POST || me->method == METHOD_PUT)
1078: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1079: #endif /* DAV */
1.265 cvs 1080:
1.361 vatton 1081: if (me->method == METHOD_POST || me->method == METHOD_PUT)
1082: {
1083: /* PUT, POST etc. */
1084: /* for PUT, we memorize there was a redirection, so that we
1085: can clear the original cache entry in the terminate_handler */
1086: if (me->method == METHOD_PUT)
1087: me->put_redirection = TRUE;
1088: status = HTLoadAbsolute (me->urlName, request);
1089: }
1090: else
1091: HTLoadAnchor (new_anchor, request);
1092: }
1093: else
1094: {
1095: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT, NULL, 0, "HTRedirectFilter");
1096: /* so that we can show the error message */
1097: if (me->error_html)
1098: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1099: me->reqStatus = HT_ERR;
1100: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT), NULL);
1101: }
1.265 cvs 1102:
1.361 vatton 1103: /*
1104: ** By returning HT_ERROR we make sure that this is the last handler to be
1105: ** called. We do this as we don't want any other filter to delete the
1106: ** request object now when we have just started a new one ourselves
1107: */
1108: return HT_ERROR;
1.4 cvs 1109: }
1110:
1.151 cvs 1111: #ifdef AMAYA_LOST_UPDATE
1112: /*----------------------------------------------------------------------
1113: precondition_handler
1114: 412 "Precondition failed" handler
1115: ----------------------------------------------------------------------*/
1.265 cvs 1116: static int precondition_handler (HTRequest *request, HTResponse *response,
1.361 vatton 1117: void *context, int status)
1.151 cvs 1118: {
1.315 vatton 1119: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.168 cvs 1120: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.315 vatton 1121: ThotBool force_put;
1.151 cvs 1122:
1123: if (!me)
1124: return HT_OK; /* not an Amaya request */
1125:
1.168 cvs 1126: if (prompt)
1.315 vatton 1127: {
1128: if (me->method == METHOD_GET)
1.361 vatton 1129: {
1130: /* @@@@ IV */
1131: (*prompt) (request, HT_A_CONFIRM, status, NULL, NULL, NULL);
1132: force_put = NO;
1133: }
1.315 vatton 1134: else
1.357 gully 1135: force_put = ((*prompt)(request, HT_A_CONFIRM, HT_MSG_RULES, NULL, NULL, NULL) != 0);
1.315 vatton 1136: }
1.168 cvs 1137: else
1138: force_put = NO;
1139:
1140: if (force_put)
1141: {
1.297 kirschpi 1142: #ifdef DAV
1143: BOOL noIf = NO;
1144:
1145: /* MKP: if the old request has preconditions, *
1146: * then, we supose that these preconditions *
1147: * caused the 412 Precondition Failed status *
1148: * code, otherwise we supose that the cause *
1149: * was an eventual If header. */
1.315 vatton 1150: if (HTRequest_preconditions(me->request) != HT_NO_MATCH)
1.361 vatton 1151: noIf = NO;
1.297 kirschpi 1152: else
1.361 vatton 1153: noIf = YES;
1.302 kirschpi 1154: #endif /* DAV */
1.297 kirschpi 1155:
1156:
1.168 cvs 1157: /* start a new PUT request without preconditions */
1158: /* @@ do we need to kill the request? */
1159: if (me->output && me->output != stdout)
1.361 vatton 1160: {
1161: TtaReadClose (me->output);
1162: me->output = NULL;
1163: }
1.168 cvs 1164: /*
1165: ** reset the Amaya and libwww request status
1166: */
1.176 cvs 1167:
1168: /* start with a new, clean request structure */
1169: HTRequest_delete (me->request);
1170: me->request = HTRequest_new ();
1171: /* clean the associated file structure) */
1172: HTRequest_setOutputStream (me->request, NULL);
1173: /* Initialize the other members of the structure */
1.171 cvs 1174: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1175: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1176: HTRequest_setContext (me->request, me);
1177: HTRequest_setPreemptive (me->request, NO);
1178: /*
1179: ** Make sure that the first request is flushed immediately and not
1180: ** buffered in the output buffer
1181: */
1182: if (me->mode & AMAYA_FLUSH_REQUEST)
1.361 vatton 1183: HTRequest_setFlush(me->request, YES);
1.176 cvs 1184:
1.171 cvs 1185: /* turn off preconditions */
1186: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1187: me->reqStatus = HT_NEW;
1.297 kirschpi 1188:
1189:
1190: #ifdef DAV
1.302 kirschpi 1191: /* MKP: add an If header (lock information) only
1192: * if there wasn't preconditions */
1.315 vatton 1193: if (noIf != YES)
1.361 vatton 1194: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.297 kirschpi 1195: #endif /* DAV */
1196:
1197:
1.171 cvs 1198: /* make the request */
1.176 cvs 1199: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1.361 vatton 1200: me->dest, me->request);
1.168 cvs 1201: /* stop here */
1202: return HT_ERROR;
1203: }
1204: else
1205: {
1206: /* abort the request */
1207: /* @@ should we call StopRequest here? */
1208: me->reqStatus = HT_ABORT;
1209: /* stop here */
1210: return HT_ERROR;
1211: }
1212: }
1.151 cvs 1213:
1.168 cvs 1214: /*----------------------------------------------------------------------
1215: check_handler
1216: Request HEAD checker filter
1217: ----------------------------------------------------------------------*/
1218: static int check_handler (HTRequest * request, HTResponse * response,
1.361 vatton 1219: void * param, int status)
1.151 cvs 1220: {
1.168 cvs 1221: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1222: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 1223: ThotBool force_put;
1.168 cvs 1224:
1225: if (!me)
1226: return HT_OK; /* not an Amaya request */
1227:
1228: HTRequest_deleteAfter(me->request, check_handler);
1229: /*
1230: ** If head request showed that the document doesn't exist
1231: ** then just go ahead and PUT it. Otherwise ask for help
1232: */
1233: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
1234: {
1235: /* we'd need to call terminate_handler, to free the resources */
1236: /* abort the request */
1237: /* @@ should we call StopRequest here? */
1238: me->reqStatus = HT_ABORT;
1239: /* stop here */
1240: return HT_ERROR;
1241: }
1242: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
1243: {
1244: /* we'd need to call terminate_handler, to free the resources */
1245: /* abort the request */
1246: /* @@ should we call StopRequest here? */
1247: me->reqStatus = HT_ABORT;
1248: /* stop here */
1249: return HT_ERROR;
1250: }
1251: else if ( (abs(status)/100) != 2)
1252: {
1.176 cvs 1253: /* start with a new, clean request structure */
1254: HTRequest_delete (me->request);
1255: me->request = HTRequest_new ();
1.208 cvs 1256: /* add the default PUT name */
1257: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1258: /* clean the associated file structure) */
1259: HTRequest_setOutputStream (me->request, NULL);
1260: /* Initialize the other members of the structure */
1.171 cvs 1261: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1262: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1263: HTRequest_setContext (me->request, me);
1264: HTRequest_setPreemptive (me->request, NO);
1265: /*
1266: ** Make sure that the first request is flushed immediately and not
1267: ** buffered in the output buffer
1268: */
1269: if (me->mode & AMAYA_FLUSH_REQUEST)
1.361 vatton 1270: HTRequest_setFlush(me->request, YES);
1.297 kirschpi 1271:
1272: #ifdef DAV
1.302 kirschpi 1273: /* MKP: try to add an "If" header (lock information)
1274: * Such header will be added only if there is a
1275: * lock information in the local base. */
1.297 kirschpi 1276: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1277: #endif /* DAV */
1.297 kirschpi 1278:
1.176 cvs 1279:
1280: /* turn on the special preconditions, to avoid having this
1.361 vatton 1281: ressource appear before we do the PUT */
1.168 cvs 1282: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 1283: me->reqStatus = HT_NEW;
1.168 cvs 1284: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1285: return HT_ERROR; /* stop here */
1.176 cvs 1286: }
1.168 cvs 1287: else
1288: {
1289: if (prompt)
1.357 gully 1290: force_put = ((*prompt)(request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE, NULL, NULL, NULL) != 0);
1.168 cvs 1291: else
1.357 gully 1292: force_put = FALSE;
1.168 cvs 1293:
1294: if (force_put)
1.361 vatton 1295: {
1296: /* Start a new PUT request without preconditions */
1.176 cvs 1297:
1.361 vatton 1298: /* get a new, clean request structure */
1299: HTRequest_delete (me->request);
1300: me->request = HTRequest_new ();
1301: /* add the default PUT name */
1302: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1303: /* clean the associated file structure) */
1304: HTRequest_setOutputStream (me->request, NULL);
1305: /* Initialize the other members of the structure */
1306: HTRequest_setMethod (me->request, METHOD_GET);
1307: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1308: HTRequest_setContext (me->request, me);
1309: HTRequest_setPreemptive (me->request, NO);
1.297 kirschpi 1310:
1311: #ifdef DAV
1.361 vatton 1312: /* MKP: try to add an "If" header (lock information)
1313: * Such header will be added only if there is a
1314: * lock information in the local base. */
1.297 kirschpi 1315: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 1316: #endif /* DAV */
1317:
1.297 kirschpi 1318:
1.361 vatton 1319: /*
1320: ** Make sure that the first request is flushed immediately and not
1321: ** buffered in the output buffer
1322: */
1323: if (me->mode & AMAYA_FLUSH_REQUEST)
1324: HTRequest_setFlush(me->request, YES);
1325: /* remove the preconditions */
1326: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1327: me->reqStatus = HT_NEW;
1328: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1329: me->dest, me->request);
1330: return HT_ERROR; /* stop here */
1331: }
1.168 cvs 1332: else
1.361 vatton 1333: {
1334: /* we'd need to call terminate_handler, to free the resources */
1335: /* abort the request */
1336: /* @@ should we call StopRequest here? */
1337: me->reqStatus = HT_ABORT;
1338: /* stop here */
1339: return HT_ERROR;
1340: }
1.168 cvs 1341: }
1342: return HT_ERROR;
1.151 cvs 1343: }
1344: #endif /* AMAYA_LOST_UPDATE */
1.324 kahan 1345: /*--------------------------- -------------------------------------------
1.17 cvs 1346: terminate_handler
1347: this function is registered to handle the result of the request
1.5 cvs 1348: ----------------------------------------------------------------------*/
1.265 cvs 1349: static int terminate_handler (HTRequest *request, HTResponse *response,
1.361 vatton 1350: void *context, int status)
1.4 cvs 1351: {
1.116 cvs 1352: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.191 cvs 1353: ThotBool error_flag;
1.116 cvs 1354:
1355: if (!me)
1.361 vatton 1356: return HT_ERROR; /* not an Amaya request */
1.116 cvs 1357:
1358: if (me->reqStatus == HT_END)
1359: /* we have already processed this request! */
1360: return HT_OK;
1361:
1362: /* if Amaya was killed, treat with this request as if it were
1363: issued by a Stop button event */
1364:
1.361 vatton 1365: if (!AmayaIsAlive ())
1366: me->reqStatus = HT_ABORT;
1.220 cvs 1367:
1.361 vatton 1368: /* trying to protect against this problem... hard to place
1369: the detection elsewhere :-/ */
1370: /* @@ JK: Is this still needed? */
1371: if (IsHTTP09Error (request))
1372: status = -1;
1373:
1374: if (status == HT_LOADED
1375: || status == HT_CREATED
1376: || status == HT_NO_DATA
1377: /* JK: removed it as the kludge doesn't seem useful anymore */
1378: /* kludge for work around libwww problem */
1379: /* || (status == HT_INTERRUPTED && me->method == METHOD_PUT) */
1.116 cvs 1380: #ifdef AMAYA_WWW_CACHE
1.361 vatton 1381: /* what status to use to know we're downloading from a cache? */
1382: || status == HT_NOT_MODIFIED
1383: || status == HT_PARTIAL_CONTENT
1.116 cvs 1384: #endif /* AMAYA_WWW_CACHE */
1.361 vatton 1385: || me->reqStatus == HT_ABORT)
1386: error_flag = FALSE;
1.297 kirschpi 1387: #ifdef DAV
1.361 vatton 1388: else if (status == HT_LOCKED
1389: || status == HT_FAILED_DEPENDENCY
1390: || status == HT_MULTI_STATUS)
1391: {
1392: /* WebDAV return codes - they are handled in
1393: * specific filters. We don't need to deal
1394: * with them anymore
1395: */
1396: error_flag = FALSE;
1.302 kirschpi 1397: }
1398: #endif /* DAV */
1.361 vatton 1399: else
1400: error_flag = TRUE;
1401:
1402: /* If we did a PUT that was redirected, clean the original
1403: cache entry */
1404: if (status == 204 && me->method == METHOD_PUT && me->put_redirection)
1405: {
1406: HTCache * cache;
1407: HTParentAnchor * anchor = HTAnchor_parent (me->dest);
1408: cache = HTCache_find (anchor, NULL);
1409: if (cache)
1410: {
1411: /* what a problem... we update the cache with the wrong data
1412: from the response... after the redirection */
1413: HTCache_resetMeta (cache, request, response);
1414: }
1415: else
1416: /* If entry doesn't already exist then create a new entry */
1417: HTCache_touch(request, response, HTAnchor_parent (me->dest));
1418: }
1.130 cvs 1419:
1.361 vatton 1420: /* output any errors from the server */
1421:
1422: /*
1423: ** me->output = output file which will receive an html file
1424: ** me->error_html = yes, output HTML errors in the screen
1425: ** request->error_stack == if there are any errors, they will be here
1426: ** me->error_stream_size If it's != 0 means an error message has already
1427: ** been written to the stack
1428: */
1.74 cvs 1429:
1.361 vatton 1430: /* First, we verify if there are any errors and if they are not
1431: ** yet written to the error stack. If no, then let's try to write them
1432: ** ourselves
1433: */
1.74 cvs 1434:
1435: #ifdef DEBUG_LIBWWW
1.361 vatton 1436: fprintf (stderr, "terminate_handler: URL is "
1437: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1438: status);
1.69 cvs 1439: #endif
1.74 cvs 1440:
1.361 vatton 1441: if (me->output && me->output != stdout)
1442: {
1443: /* we are writing to a local file */
1444: if (me->reqStatus != HT_ABORT)
1445: {
1446: /* if the request was not aborted and
1447: there were some errors and we want to print them */
1448:
1449: /* JK: 30/04/2004. The 201 reponse from the annotation server
1450: is being stored inside the error flag! */
1451: if ((status == 201 && me->mode & AMAYA_FILE_POST && me->error_stream)
1452: || (error_flag && me->error_html == TRUE))
1453: {
1454: /* if the transfer was interrupted, the file may not be
1455: empty. So, we erase it */
1456: fflush (me->output);
1457: rewind (me->output);
1458:
1459: if (me->error_stream)
1460: { /* if the stream is non-empty */
1461: fprintf (me->output, "%s", me->error_stream);/* output the errors */
1462: /* Clear the error context, so that we can deal with
1463: this answer as if it were a normal reply */
1464: HTError_deleteAll( HTRequest_error (request));
1465: HTRequest_setError (request, NULL);
1466: error_flag = 0;
1467: }
1468: } /* if error_stack */
1469: }
1.314 kahan 1470:
1.361 vatton 1471: /* if != HT_ABORT */
1.85 cvs 1472:
1473: #ifdef DEBUG_LIBWWW
1.361 vatton 1474: fprintf (stderr, "terminate_handler: URL is %s, closing "
1475: "FILE %p\n", me->urlName, me->output);
1.85 cvs 1476: #endif
1.361 vatton 1477: TtaWriteClose (me->output);
1478: me->output = NULL;
1479: }
1480:
1481: /* a very special handling so that we can put a message box
1482: to tell the user WHAT he has just done... */
1483: if (UserAborted_flag && me->method == METHOD_PUT)
1484: {
1485: HTRequest_addError (request, ERR_FATAL, NO, HTERR_INTERRUPTED,
1486: (void *)"Operation aborted by user", 0, NULL);
1487: }
1488:
1489: if (error_flag)
1490: me->reqStatus = HT_ERR;
1491: else
1492: if (me->reqStatus != HT_ABORT)
1493: me->reqStatus = HT_END;
1494:
1495: /* copy the headers in which the application is interested */
1496: HTTP_headers_set (request, response, context, status);
1497:
1498: /* to avoid a hangup while downloading css files */
1499: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1500: TtaSetStatus (me->docid, 1,
1501: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1502: me->status_urlName);
1.116 cvs 1503:
1504: /* don't remove or Xt will hang up during the PUT */
1.361 vatton 1505: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1506: (me->method == METHOD_PUT)))
1507: {
1508: PrintTerminateStatus (me, status);
1509: }
1.114 cvs 1510:
1.361 vatton 1511: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1512:
1.361 vatton 1513: /* stop here */
1514: return HT_ERROR;
1.4 cvs 1515: }
1516:
1.5 cvs 1517: /*----------------------------------------------------------------------
1.17 cvs 1518: AHTLoadTerminate_handler
1.74 cvs 1519: this is an application "AFTER" Callback. It's called by the library
1520: when a request has ended, so that we can setup the correct status.
1.5 cvs 1521: ----------------------------------------------------------------------*/
1.265 cvs 1522: int AHTLoadTerminate_handler (HTRequest *request, HTResponse *response,
1.361 vatton 1523: void *param, int status)
1.4 cvs 1524: {
1.116 cvs 1525: /** @@@@ use this with printstatus ?? */
1.361 vatton 1526: AHTReqContext *me = (AHTReqContext *)HTRequest_context (request);
1527: HTAlertCallback *cbf;
1528: AHTDocId_Status *docid_status;
1529:
1530: switch (status)
1531: {
1532: case HT_LOADED:
1533: if (PROT_TRACE)
1534: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1535: me->status_urlName);
1536:
1537: docid_status = GetDocIdStatus (me->docid,
1538: Amaya->docid_status);
1539:
1540: if (docid_status != NULL && docid_status->counter > 1)
1541: TtaSetStatus (me->docid, 1,
1542: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1543: me->status_urlName);
1544: break;
1.116 cvs 1545:
1.361 vatton 1546: case HT_NO_DATA:
1547: if (PROT_TRACE)
1548: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1549: me->status_urlName);
1.297 kirschpi 1550: #ifdef DAV
1.361 vatton 1551: if (me->method==METHOD_UNLOCK)
1.302 kirschpi 1552: {
1.361 vatton 1553: /* MKP: set an appropriate status message */
1554: TtaSetStatus (me->docid, 1,
1555: TtaGetMessage (AMAYA, AM_UNLOCK_SUCCEED),
1556: NULL);
1.302 kirschpi 1557: }
1.361 vatton 1558: else
1.302 kirschpi 1559: #endif /* DAV */
1.361 vatton 1560: TtaSetStatus (me->docid, 1,
1561: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1562: me->status_urlName);
1563: break;
1.116 cvs 1564:
1.361 vatton 1565: case HT_INTERRUPTED:
1566: if (PROT_TRACE)
1567: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1568: me->status_urlName);
1569: TtaSetStatus (me->docid, 1,
1570: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1571: NULL);
1572: break;
1573:
1574: case HT_RETRY:
1575: if (PROT_TRACE)
1576: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1577: HTResponse_retryTime (response));
1578: TtaSetStatus (me->docid, 1,
1579: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1580: me->status_urlName);
1581: break;
1582:
1583: case HT_NOT_MODIFIED:
1584: if (PROT_TRACE)
1585: HTTrace ("Load End.... NOT MODIFIED (%s)",
1586: me->status_urlName ? me->status_urlName :" <UNKNOWN>");
1587: break;
1.247 kahan 1588:
1.361 vatton 1589: case HT_ERROR:
1590: cbf = HTAlert_find (HT_A_MESSAGE);
1591: if (cbf)
1592: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1593: HTRequest_error (request), NULL);
1594: if (PROT_TRACE)
1595: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1596: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1597: TtaSetStatus (me->docid, 1,
1598: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1599: me->status_urlName ? me->status_urlName : (char *)"<UNKNOWN>");
1600: break;
1601:
1602: case HTERR_TIMEOUT:
1603: cbf = HTAlert_find (HT_A_MESSAGE);
1604: if (cbf)
1605: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1606: HTRequest_error (request), NULL);
1607: if (PROT_TRACE)
1608: HTTrace ("Load End.... REQUEST TIMEOUT: Can't access `%s\'\n",
1609: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1610: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1611: me->status_urlName ? me->status_urlName : (char *)"<UNKNOWN>");
1612: break;
1613:
1614: default:
1615: if (PROT_TRACE)
1616: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1617: break;
1618: }
1.116 cvs 1619:
1.361 vatton 1620: return HT_OK;
1.116 cvs 1621: }
1.7 cvs 1622:
1.248 kahan 1623: /*----------------------------------------------------------------------
1624: LineTrace
1625: Makes a file copy of libwww's traces
1626: ----------------------------------------------------------------------*/
1.116 cvs 1627: static int LineTrace (const char * fmt, va_list pArgs)
1628: {
1.248 kahan 1629: vfprintf (trace_fp, fmt, pArgs);
1630: return (fflush (trace_fp));
1.4 cvs 1631: }
1632:
1.27 cvs 1633: /*----------------------------------------------------------------------
1634: AHTAcceptTypesInit
1.74 cvs 1635: This function prepares the Accept header used by Amaya during
1636: the HTTP content negotiation phase
1.27 cvs 1637: ----------------------------------------------------------------------*/
1638: static void AHTAcceptTypesInit (HTList *c)
1639: {
1.361 vatton 1640: if (c == (HTList *) NULL)
1641: return;
1.27 cvs 1642:
1.361 vatton 1643: /* define here all the mime types that Amaya can accept */
1.27 cvs 1644:
1.361 vatton 1645: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1646: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1647: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1648: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1649: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1650:
1651: /* Define here the equivalences between MIME types and file extensions for
1652: the types that Amaya can display */
1653:
1654: /* Initialize suffix bindings for local files */
1655: HTBind_init();
1656:
1657: /* Register the default set of file suffix bindings */
1658: HTFileInit ();
1659:
1660: /* Register additional bindings */
1661: HTBind_add("htm", "text/html", NULL, "8bit", NULL, 1.0);
1662: HTBind_add("tgz", "application/gnutar", NULL, "binary", NULL, 1.0);
1663: HTBind_add("mml", AM_MATHML_MIME_TYPE, NULL, "8bit", NULL, 1.0);
1664: HTBind_add("svg", AM_SVG_MIME_TYPE, NULL, "8bit", NULL, 1.0);
1665: HTBind_add("xsl", "text/xml", NULL, "8bit", NULL, 1.0);
1666: /* Don't do any case distinction */
1667: HTBind_caseSensitive (FALSE);
1.27 cvs 1668: }
1.4 cvs 1669:
1.5 cvs 1670: /*----------------------------------------------------------------------
1.193 cvs 1671: AHTAcceptLanguagesInit
1672: This function prepares the Accept header used by Amaya during
1673: the HTTP content negotiation phase
1674: ----------------------------------------------------------------------*/
1.196 cvs 1675: static void AHTAcceptLanguagesInit (HTList *c)
1.193 cvs 1676: {
1.265 cvs 1677: char *ptr;
1678: char *lang_list;
1.223 cvs 1679: char s[3];
1.196 cvs 1680: int count, lg;
1681: double quality;
1682: ThotBool still;
1.193 cvs 1683:
1684: if (c == (HTList *) NULL)
1.265 cvs 1685: return;
1.193 cvs 1686:
1.203 cvs 1687: lang_list = TtaGetEnvString ("ACCEPT_LANGUAGES");
1.197 cvs 1688: s[2] = EOS;
1.272 cvs 1689: if (lang_list && *lang_list != EOS)
1.193 cvs 1690: {
1691: /* add the default language first */
1692: HTLanguage_add (c, "*", -1.0);
1693: /* how many languages do we have? */
1.196 cvs 1694: ptr = lang_list;
1695: count = 0;
1.272 cvs 1696: while (*ptr != EOS)
1.361 vatton 1697: {
1698: while (*ptr != EOS &&
1699: (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1700: /* skip the whole separator */
1701: ptr++;
1702: lg = 0;
1703: while ((*ptr >= 'A' &&
1704: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-')
1705: {
1706: /* it's a new language */
1707: ptr++;
1708: lg++;
1709: }
1710: if (lg >= 2)
1711: count++;
1712: if (*ptr != EOS)
1713: ptr++;
1714: }
1.193 cvs 1715:
1.196 cvs 1716: if (count > 0)
1.361 vatton 1717: quality = 1.1 - (double) count/10.0;
1.193 cvs 1718: else
1.361 vatton 1719: quality = 1.0;
1.193 cvs 1720:
1.265 cvs 1721: /* Read the languages from the registry, then inject them one, by one.
1.361 vatton 1722: The first one is the one with the highest priority.
1723: The libwww ask for the lowest priority first.
1.196 cvs 1724: */
1725: ptr--;
1726: still = TRUE;
1.265 cvs 1727: while (count)
1.361 vatton 1728: {
1729: while (still && (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1730: /* skip the whole separator */
1731: if (ptr > lang_list)
1732: ptr--;
1733: else
1734: still = FALSE;
1735: lg = 0;
1736: while (still &&
1737: ((*ptr >= 'A' &&
1738: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-'))
1739: {
1740: /* it's a new language */
1741: if (ptr > lang_list)
1742: ptr--;
1743: else
1744: still = FALSE;
1745: lg++;
1746: }
1747: if (lg >= 2)
1748: {
1749: if (still)
1750: strncpy (s, &ptr[1], 2);
1751: else
1752: strncpy (s, lang_list, 2);
1753: count--;
1754: HTLanguage_add (c, s, quality);
1755: quality += 0.1;
1756: }
1757: ptr--;
1758: }
1.265 cvs 1759: }
1.193 cvs 1760: }
1761:
1762: /*----------------------------------------------------------------------
1.17 cvs 1763: AHTConverterInit
1764: Bindings between a source media type and a destination media type
1765: (conversion).
1.5 cvs 1766: ----------------------------------------------------------------------*/
1.15 cvs 1767: static void AHTConverterInit (HTList *c)
1.4 cvs 1768: {
1.361 vatton 1769: /* Handler for custom http error messages */
1770: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1771:
1772: /*
1773: ** These are converters that converts to something other than www/present,
1774: ** that is not directly outputting someting to the user on the screen
1775: */
1776:
1777: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
1778: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
1779: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader, 1.0, 0.0, 0.0);
1780: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue, 1.0, 0.0, 0.0);
1781: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial, 1.0, 0.0, 0.0);
1782: HTConversion_add (c, "multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
1783: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
1784:
1785: /*
1786: ** The following conversions are converting ASCII output from various
1787: ** protocols to HTML objects.
1788: */
1789: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
1.4 cvs 1790:
1.361 vatton 1791: /*
1792: ** We also register a special content type guess stream that can figure out
1793: ** the content type by reading the first bytes of the stream
1794: */
1795: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
1.4 cvs 1796:
1.116 cvs 1797: #ifdef AMAYA_WWW_CACHE
1.361 vatton 1798: /*
1799: ** Register a persistent cache stream which can save an object to local
1800: ** file
1801: */
1802: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter, 1.0, 0.0, 0.0);
1803: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend, 1.0, 0.0, 0.0);
1.306 cheyroul 1804: #endif /*AMAYA_WWW_CACHE*/
1.4 cvs 1805:
1.361 vatton 1806: /*
1807: ** This dumps all other formats to local disk without any further
1808: ** action taken
1809: */
1810: HTConversion_add (c, "*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
1.4 cvs 1811: }
1812:
1.27 cvs 1813:
1.15 cvs 1814: /*----------------------------------------------------------------------
1.17 cvs 1815: AHTProtocolInit
1816: Registers all amaya supported protocols.
1.15 cvs 1817: ----------------------------------------------------------------------*/
1.4 cvs 1818: static void AHTProtocolInit (void)
1819: {
1.265 cvs 1820: char *strptr;
1.4 cvs 1821:
1.116 cvs 1822: /*
1823: NB. Preemptive == YES means Blocking requests
1824: Non-preemptive == NO means Non-blocking requests
1.361 vatton 1825: */
1.116 cvs 1826: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1827: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1.361 vatton 1828: HTBufferWriter_new);
1.116 cvs 1829: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.341 cvs 1830: #ifdef _WINDOWS
1831: /* TODO: verifier que le param YES est adapte pour WX */
1.136 cvs 1832: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1.341 cvs 1833: #endif /* _WINDOWS */
1.352 gully 1834: #if defined(_UNIX)
1.116 cvs 1835: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.352 gully 1836: #endif /* #if defined(_UNIX) */
1.331 gully 1837:
1.116 cvs 1838: #ifdef AMAYA_WWW_CACHE
1.361 vatton 1839: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1.116 cvs 1840: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1841: #if 0 /* experimental code */
1.245 kahan 1842: #endif
1.361 vatton 1843: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.245 kahan 1844:
1.361 vatton 1845: /* initialize pipelining */
1.223 cvs 1846: strptr = TtaGetEnvString ("ENABLE_PIPELINING");
1.265 cvs 1847: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.116 cvs 1848: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1849: }
1850:
1.15 cvs 1851: /*----------------------------------------------------------------------
1.17 cvs 1852: AHTNetInit
1853: Reegisters "before" and "after" request filters.
1.15 cvs 1854: ----------------------------------------------------------------------*/
1.4 cvs 1855: static void AHTNetInit (void)
1856: {
1857:
1.361 vatton 1858: /* Register BEFORE filters
1859: ** The BEFORE filters handle proxies, caches, rule files etc.
1860: ** The filters are called in the order by which the are registered
1861: ** Not done automaticly - may be done by application!
1862: */
1.4 cvs 1863:
1.116 cvs 1864: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1865: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1866: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1867:
1.361 vatton 1868: /* register AFTER filters
1869: ** The AFTER filters handle error messages, logging, redirection,
1870: ** authentication etc.
1871: ** The filters are called in the order by which the are registered
1872: ** Not done automaticly - may be done by application!
1873: */
1.4 cvs 1874:
1.223 cvs 1875: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1876: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1877: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1878: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND, HT_FILTER_MIDDLE);
1879: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER, HT_FILTER_MIDDLE);
1880: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1881: HTNet_addAfter (HTAuthInfoFilter, "http://*", NULL, HT_ALL, HT_FILTER_MIDDLE);
1882: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.151 cvs 1883: #ifdef AMAYA_LOST_UPDATE
1.223 cvs 1884: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED, HT_FILTER_MIDDLE);
1.151 cvs 1885: #endif /* AMAYA_LOST_UPDATE */
1.331 gully 1886:
1.344 vatton 1887: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1888: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1889: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.331 gully 1890:
1.344 vatton 1891: /**** for later ?? ****/
1892: /* HTNet_addAfter(HTInfoFilter,NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.245 kahan 1893: /* @@ JK: Filters for doing ftp authentication */
1894: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1895: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1.361 vatton 1896: /* handles all errors */
1.116 cvs 1897: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1898: }
1899:
1.15 cvs 1900: /*----------------------------------------------------------------------
1.17 cvs 1901: AHTAlertInit
1902: Register alert messages and their callbacks.
1.15 cvs 1903: ----------------------------------------------------------------------*/
1904: static void AHTAlertInit (void)
1905: {
1.361 vatton 1906: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.331 gully 1907:
1.352 gully 1908: #ifdef _WINDOWS
1.361 vatton 1909: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.352 gully 1910: #endif /* _WINDOWS */
1.331 gully 1911:
1.361 vatton 1912: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1913: HTError_setShow ( (HTErrorShow)(~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)) ); /* process all messages except debug ones*/
1914: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1915: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1916: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1917: }
1918:
1.118 cvs 1919: #ifdef AMAYA_WWW_CACHE
1920: /*----------------------------------------------------------------------
1.128 cvs 1921: RecCleanCache
1.118 cvs 1922: Clears an existing cache directory
1923: ----------------------------------------------------------------------*/
1.265 cvs 1924: static void RecCleanCache (char *dirname)
1925: {
1.337 cvs 1926: #ifdef _WINGUI
1.223 cvs 1927: HANDLE hFindFile;
1928: ThotBool status;
1.128 cvs 1929: WIN32_FIND_DATA ffd;
1.290 vatton 1930: char t_dir [MAX_LENGTH];
1931: char *ptr;
1.128 cvs 1932:
1.130 cvs 1933: /* create a t_dir name to start searching for files */
1.265 cvs 1934: if ((strlen (dirname) + 10) > MAX_LENGTH)
1.128 cvs 1935: /* ERROR: directory name is too big */
1936: return;
1937:
1.265 cvs 1938: strcpy (t_dir, dirname);
1.130 cvs 1939: /* save the end of the dirname. We'll use it to make
1940: a complete pathname when erasing files */
1.265 cvs 1941: ptr = &t_dir[strlen (t_dir)];
1942: strcat (t_dir, "*");
1.128 cvs 1943:
1.130 cvs 1944: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1945:
1946: if (hFindFile == INVALID_HANDLE_VALUE)
1947: /* nothing to erase? */
1948: return;
1949:
1950: status = TRUE;
1.130 cvs 1951: while (status)
1952: {
1953: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.361 vatton 1954: {
1955: /* it's a directory, erase it recursively */
1956: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
1957: {
1958: strcpy (ptr, ffd.cFileName);
1959: strcat (ptr, DIR_STR);
1960: RecCleanCache (t_dir);
1961: rmdir (t_dir);
1962: }
1963: }
1964: else
1965: {
1966: /* it's a file, erase it */
1967: strcpy (ptr, ffd.cFileName);
1968: TtaFileUnlink (t_dir);
1969: }
1.130 cvs 1970: status = FindNextFile (hFindFile, &ffd);
1971: }
1.128 cvs 1972: FindClose (hFindFile);
1.337 cvs 1973: #endif /* _WINGUI */
1.341 cvs 1974:
1975: #if defined(_WX)
1976: char buftmp[256];
1.342 gully 1977:
1978: #ifdef _WINDOWS
1979: wxString separator = _T("\\");
1980: #else /* _WINDOWS */
1981: wxString separator = _T("/");
1982: #endif /* _WINDOWS */
1983:
1.345 gully 1984: wxString wx_dir_name = wxString(dirname, *wxConvCurrent);
1.342 gully 1985:
1986: /* try to delete the current directory */
1.341 cvs 1987: wxRmdir(wx_dir_name);
1.331 gully 1988:
1.341 cvs 1989: if (!wxDirExists(wx_dir_name))
1.342 gully 1990: return;
1991:
1.341 cvs 1992: /* try to delete the files & directorys inside */
1993: {
1.342 gully 1994: wxDir wx_dir(wx_dir_name);
1995: wxString name;
1996: ThotBool cont = wx_dir.GetFirst(&name);
1997: while (cont)
1998: {
1.361 vatton 1999: name = wx_dir.GetName()+separator+name;
2000: if (wxDirExists(name))
2001: {
2002: name = name+separator;
2003: /* it's a sub-directory */
2004: sprintf(buftmp, "%s", (const char *)name.mb_str(*wxConvCurrent) );
2005: /* delete it recursively */
2006: RecCleanCache(buftmp);
2007: }
2008: else
2009: {
2010: /* it's a file */
2011: wxRemoveFile(name);
2012: }
1.342 gully 2013:
1.361 vatton 2014: cont = wx_dir.GetNext(&name);
1.342 gully 2015: }
1.341 cvs 2016: }
2017: /* try to delete the current directory */
2018: wxRmdir(wx_dir_name);
2019: #endif /* _WX */
2020:
1.344 vatton 2021: #if defined(_GTK) || defined(_NOGUI)
1.118 cvs 2022: DIR *dp;
2023: struct stat st;
2024: #ifdef HAVE_DIRENT_H
2025: struct dirent *d;
1.344 vatton 2026: #else /* HAVE_DIRENT_H */
1.118 cvs 2027: struct direct *d;
2028: #endif /* HAVE_DIRENT_H */
1.128 cvs 2029: char filename[BUFSIZ+1];
1.118 cvs 2030:
2031: if ((dp = opendir (dirname)) == NULL)
2032: {
2033: /* @@@ we couldn't open the directory ... we need some msg */
2034: perror (dirname);
1.176 cvs 2035: return;
1.118 cvs 2036: }
2037:
2038: while ((d = readdir (dp)) != NULL)
2039: {
2040: /* skip the UNIX . and .. links */
2041: if (!strcmp (d->d_name, "..")
1.361 vatton 2042: || !strcmp (d->d_name, "."))
2043: continue;
1.118 cvs 2044:
1.188 cvs 2045: sprintf (filename, "%s%c%s", dirname, DIR_SEP, d->d_name);
1.118 cvs 2046: if (lstat (filename, &st) < 0 )
1.361 vatton 2047: {
2048: /* @@2 need some error message */
2049: perror (filename);
2050: continue;
2051: }
1.118 cvs 2052:
2053: switch (st.st_mode & S_IFMT)
1.361 vatton 2054: {
2055: case S_IFDIR:
2056: /* if we find a directory, we erase it, recursively */
2057: strcat (filename, DIR_STR);
2058: RecCleanCache (filename);
2059: rmdir (filename);
2060: break;
2061: case S_IFLNK:
2062: /* skip any links we find */
2063: continue;
2064: break;
2065: default:
2066: /* erase the filename */
2067: TtaFileUnlink (filename);
2068: break;
2069: }
1.118 cvs 2070: }
2071: closedir (dp);
1.344 vatton 2072: #endif /* #if defined(_GTK) || defined(_NOGUI) */
1.118 cvs 2073: }
2074: #endif /* AMAYA_WWW_CACHE */
2075:
1.116 cvs 2076: /*----------------------------------------------------------------------
1.265 cvs 2077: libwww_CleanCache
2078: frontend to the recursive cache cleaning function
2079: ----------------------------------------------------------------------*/
2080: void libwww_CleanCache (void)
2081: {
2082: #ifdef AMAYA_WWW_CACHE
2083: char * real_dir;
2084: char* cache_dir;
2085: char* tmp;
2086: int cache_size;
2087: int cache_expire;
2088: int cache_disconnect;
2089: ThotBool error;
2090: char * ptr;
2091:
2092: if (!HTCacheMode_enabled ())
2093: /* don't do anything if we're not using a cache */
2094: return;
2095: /* temporarily close down the cache, purge it, then restart */
2096: tmp = HTCacheMode_getRoot ();
2097: /* don't do anything if we don't have a valid cache dir */
2098: if (!tmp || *tmp == EOS)
2099: return;
2100: cache_dir = TtaStrdup (tmp);
2101: HT_FREE (tmp);
2102: cache_size = HTCacheMode_maxSize ();
2103: cache_expire = HTCacheMode_expires ();
2104: cache_disconnect = HTCacheMode_disconnected ();
2105:
2106: /* get something we can work on :) */
2107: tmp = HTWWWToLocal (cache_dir, "file:", NULL);
1.334 gully 2108: real_dir = (char *)TtaGetMemory (strlen (tmp) + 20);
1.273 cvs 2109: strcpy (real_dir, tmp);
1.265 cvs 2110: HT_FREE (tmp);
2111:
2112: /* safeguard... abort the operation if cache_dir doesn't end with
2113: CACHE_DIR_NAME */
2114: error = TRUE;
2115: ptr = strstr (real_dir, CACHE_DIR_NAME);
1.361 vatton 2116: if (ptr && *ptr && !strcasecmp (ptr, CACHE_DIR_NAME))
2117: error = FALSE;
1.265 cvs 2118: if (error)
2119: return;
2120:
2121: /* remove the concurrent cache lock */
2122: #ifdef DEBUG_LIBWWW
2123: fprintf (stderr, "Clearing the cache lock\n");
2124: #endif /* DEBUG_LIBWWW */
2125: clear_cachelock ();
2126: HTCacheTerminate ();
2127: HTCacheMode_setEnabled (FALSE);
2128:
2129: RecCleanCache (real_dir);
2130:
1.334 gully 2131: HTCacheMode_setExpires ((HTExpiresMode)cache_expire);
2132: HTCacheMode_setDisconnected ((HTDisconnectedMode)cache_disconnect);
1.265 cvs 2133: HTCacheInit (cache_dir, cache_size);
2134: /* set a new concurrent cache lock */
2135: strcat (real_dir, ".lock");
2136: if (set_cachelock (real_dir) == -1)
2137: /* couldn't open the .lock file, so, we close the cache to
2138: be in the safe side */
2139: {
2140: #ifdef DEBUG_LIBWWW
2141: fprintf (stderr, "couldnt set the cache lock\n");
2142: #endif /* DEBUG_LIBWWW */
2143: HTCacheTerminate ();
2144: HTCacheMode_setEnabled (FALSE);
2145: }
2146: #ifdef DEBUG_LIBWWW
2147: fprintf (stderr, "set a cache lock\n");
2148: #endif /* DEBUG_LIBWWW */
2149: TtaFreeMemory (real_dir);
2150: TtaFreeMemory (cache_dir);
2151: #endif /* AMAYA_WWW_CACHE */
2152: }
2153:
2154: /*----------------------------------------------------------------------
1.116 cvs 2155: CacheInit
2156: Reads the cache settings from the thot.ini file.
2157: ----------------------------------------------------------------------*/
2158: static void CacheInit (void)
2159: {
2160: #ifndef AMAYA_WWW_CACHE
1.361 vatton 2161: HTCacheMode_setEnabled (NO);
1.116 cvs 2162:
2163: #else /* AMAYA_WWW_CACHE */
1.265 cvs 2164: char *strptr;
2165: char *real_dir = NULL;
2166: char *cache_lockfile;
2167: char *cache_dir = NULL;
1.223 cvs 2168: int cache_size;
2169: int cache_entry_size;
2170: ThotBool cache_enabled;
2171: ThotBool cache_locked;
2172: ThotBool tmp_bool;
1.130 cvs 2173:
1.361 vatton 2174: int i;
1.185 cvs 2175:
1.116 cvs 2176: /* activate cache? */
1.203 cvs 2177: strptr = TtaGetEnvString ("ENABLE_CACHE");
1.265 cvs 2178: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.130 cvs 2179: cache_enabled = NO;
1.116 cvs 2180: else
1.130 cvs 2181: cache_enabled = YES;
1.116 cvs 2182:
1.151 cvs 2183: /* cache protected documents? */
1.203 cvs 2184: strptr = TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1.265 cvs 2185: if (strptr && *strptr && !strcasecmp (strptr, "yes"))
1.151 cvs 2186: HTCacheMode_setProtected (YES);
2187: else
2188: HTCacheMode_setProtected (NO);
2189:
1.116 cvs 2190: /* get the cache dir (or use a default one) */
1.354 gully 2191: #ifdef _WX
2192: strptr = TtaGetRealFileName(TtaGetEnvString ("CACHE_DIR"));
2193: #else /* _WX */
1.203 cvs 2194: strptr = TtaGetEnvString ("CACHE_DIR");
1.354 gully 2195: #endif /* _WX */
1.116 cvs 2196: if (strptr && *strptr)
2197: {
1.334 gully 2198: real_dir = (char *)TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 20);
1.265 cvs 2199: strcpy (real_dir, strptr);
1.272 cvs 2200: if (*(real_dir + strlen (real_dir) - 1) != DIR_SEP)
1.361 vatton 2201: strcat (real_dir, DIR_STR);
1.116 cvs 2202: }
2203: else
2204: {
1.334 gully 2205: real_dir = (char *)TtaGetMemory (strlen (TempFileDirectory) + strlen (CACHE_DIR_NAME) + 20);
1.272 cvs 2206: sprintf (real_dir, "%s%s", TempFileDirectory, CACHE_DIR_NAME);
1.185 cvs 2207: }
1.354 gully 2208: #ifdef _WX
2209: TtaFreeMemory(strptr);
2210: #endif /* _WX */
1.185 cvs 2211:
2212: /* compatiblity with previous versions of Amaya: does real_dir
2213: include CACHE_DIR_NAME? If not, add it */
1.265 cvs 2214: strptr = strstr (real_dir, CACHE_DIR_NAME);
1.185 cvs 2215: if (!strptr)
1.265 cvs 2216: strcat (real_dir, CACHE_DIR_NAME);
1.185 cvs 2217: else
2218: {
1.265 cvs 2219: i = strlen (CACHE_DIR_NAME);
1.361 vatton 2220: if (strptr[i] != EOS)
2221: strcat (real_dir, CACHE_DIR_NAME);
1.116 cvs 2222: }
1.185 cvs 2223:
1.211 cvs 2224: /* convert the local cache dir into a file URL, as expected by
2225: libwww */
1.265 cvs 2226: cache_dir = HTLocalToWWW (real_dir, "file:");
1.116 cvs 2227: /* get the cache size (or use a default one) */
1.203 cvs 2228: strptr = TtaGetEnvString ("CACHE_SIZE");
1.116 cvs 2229: if (strptr && *strptr)
1.288 vatton 2230: cache_size = atoi (strptr);
1.116 cvs 2231: else
2232: cache_size = DEFAULT_CACHE_SIZE;
1.176 cvs 2233: /* get the max cached file size (or use a default one) */
1.223 cvs 2234: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1.176 cvs 2235: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1.130 cvs 2236: if (cache_enabled)
1.116 cvs 2237: {
2238: /* how to remove the lock? force remove it? */
1.334 gully 2239: cache_lockfile = (char *)TtaGetMemory (strlen (real_dir) + 20);
1.265 cvs 2240: strcpy (cache_lockfile, real_dir);
2241: strcat (cache_lockfile, ".lock");
1.130 cvs 2242: cache_locked = FALSE;
1.357 gully 2243: if ( TtaFileExist(cache_lockfile) &&
2244: !(cache_locked = (test_cachelock(cache_lockfile) != 0))
1.361 vatton 2245: )
2246: {
1.130 cvs 2247: #ifdef DEBUG_LIBWWW
1.361 vatton 2248: fprintf (stderr, "found a stale cache, removing it\n");
1.130 cvs 2249: #endif /* DEBUG_LIBWWW */
1.361 vatton 2250: /* remove the lock and clean the cache (the clean cache
2251: will remove all, making the following call unnecessary */
2252: /* little trick to win some memory */
2253: strptr = strrchr (cache_lockfile, '.');
2254: *strptr = EOS;
2255: RecCleanCache (cache_lockfile);
2256: *strptr = '.';
2257: }
1.116 cvs 2258:
1.130 cvs 2259: if (!cache_locked)
1.361 vatton 2260: {
2261: /* initialize the cache if there's no other amaya
2262: instance running */
2263: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
2264: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool) && tmp_bool)
2265: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
2266: else
2267: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
2268: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
2269: if (tmp_bool)
2270: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
2271: else
2272: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
2273: if (HTCacheInit (cache_dir, cache_size))
2274: {
2275: if (set_cachelock (cache_lockfile) == -1)
2276: /* couldn't open the .lock file, so, we close the cache to
2277: be in the safe side */
2278: {
2279: HTCacheTerminate ();
2280: HTCacheMode_setEnabled (FALSE);
1.188 cvs 2281: #ifdef DEBUG_LIBWWW
1.361 vatton 2282: fprintf (stderr, "couldnt set the cache lock\n");
1.188 cvs 2283: #endif /* DEBUG_LIBWWW */
1.361 vatton 2284: }
1.130 cvs 2285: #ifdef DEBUG_LIBWWW
1.361 vatton 2286: else
2287: fprintf (stderr, "created the cache lock\n");
1.130 cvs 2288: #endif /* DEBUG_LIBWWW */
1.361 vatton 2289: }
2290: else
2291: {
1.130 cvs 2292: #ifdef DEBUG_LIBWWW
1.361 vatton 2293: fprintf (stderr, "couldn't create the cache\n");
1.188 cvs 2294: #endif /* DEBUG_LIBWWW */
1.361 vatton 2295: HTCacheTerminate ();
2296: }
2297: }
1.130 cvs 2298: else
1.361 vatton 2299: {
2300: HTCacheMode_setEnabled (FALSE);
1.130 cvs 2301: #ifdef DEBUG_LIBWWW
1.361 vatton 2302: fprintf (stderr, "lock detected, starting libwww without a cache/n");
1.130 cvs 2303: #endif /* DEBUG_LIBWWW */
1.361 vatton 2304: }
1.130 cvs 2305: TtaFreeMemory (cache_lockfile);
1.116 cvs 2306: }
2307: else
1.185 cvs 2308: {
2309: HTCacheMode_setEnabled (FALSE);
2310: }
1.116 cvs 2311: if (cache_dir)
1.211 cvs 2312: HT_FREE (cache_dir);
1.189 cvs 2313: if (real_dir)
2314: TtaFreeMemory (real_dir);
1.185 cvs 2315: /* warn the user if the cache isn't active */
2316: if (cache_enabled && !HTCacheMode_enabled ())
1.291 kahan 2317: {
2318: ThotBool warn_user;
2319:
2320: TtaGetEnvBoolean ("WARN_NO_CACHE", &warn_user);
2321: if (warn_user)
1.361 vatton 2322: InitInfo ("Cache", TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE));
1.291 kahan 2323: }
1.116 cvs 2324: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 2325: }
2326:
2327: /*----------------------------------------------------------------------
1.97 cvs 2328: ProxyInit
2329: Reads any proxies settings which may be declared as environmental
2330: variables or in the thot.ini file. The former overrides the latter.
2331: ----------------------------------------------------------------------*/
2332: static void ProxyInit (void)
2333: {
1.265 cvs 2334: char *strptr;
2335: char *name;
2336: char *tmp = NULL;
2337: char *strptrA;
1.223 cvs 2338: ThotBool proxy_is_onlyproxy;
1.97 cvs 2339:
2340: /* get the proxy settings from the thot.ini file */
1.203 cvs 2341: strptr = TtaGetEnvString ("HTTP_PROXY");
1.228 cvs 2342: if (strptr && *strptr)
2343: {
1.265 cvs 2344: tmp = (char *) TtaGetMemory (strlen (strptr) + 1);
2345: strcpy (tmp, strptr);
1.223 cvs 2346:
1.228 cvs 2347: /* does the proxy env string has an "http://" prefix? */
1.265 cvs 2348: if (!strncasecmp (strptr, "http://", 7))
1.223 cvs 2349: HTProxy_add ("http", tmp);
1.228 cvs 2350: else
1.361 vatton 2351: {
2352: strptrA = (char *) TtaGetMemory (strlen (strptr) + 9);
2353: strcpy (strptrA, "http://");
2354: strcat (strptrA, tmp);
2355: HTProxy_add ("http", strptrA);
2356: TtaFreeMemory (strptrA);
2357: }
1.228 cvs 2358: TtaFreeMemory (tmp);
2359: }
1.216 cvs 2360:
1.97 cvs 2361: /* get the no_proxy settings from the thot.ini file */
1.212 cvs 2362: strptr = TtaGetEnvString ("PROXYDOMAIN");
1.228 cvs 2363: if (strptr && *strptr)
2364: {
1.265 cvs 2365: strptrA = (char *) TtaGetMemory (strlen (strptr) + 1);
2366: tmp = strptrA;
2367: strcpy (tmp, strptr);
1.228 cvs 2368: /* as HTNextField changes the ptr we pass as an argument, we'll
1.361 vatton 2369: work with another variable, so that we can free the tmp
2370: block later on */
1.228 cvs 2371: while ((name = HTNextField (&tmp)) != NULL)
1.361 vatton 2372: {
2373: char* portstr = strchr (name, ':');
2374: unsigned port=0;
2375: if (portstr)
2376: {
2377: *portstr++ = EOS;
2378: if (*portstr)
2379: port = (unsigned) atoi (portstr);
2380: }
2381: /* Register it for all access methods */
2382: HTNoProxy_add (name, NULL, port);
2383: }
1.228 cvs 2384: TtaFreeMemory (strptrA);
2385: }
2386:
1.212 cvs 2387: /* how should we interpret the proxy domain list? */
1.291 kahan 2388:
1.212 cvs 2389: TtaGetEnvBoolean ("PROXYDOMAIN_IS_ONLYPROXY", &proxy_is_onlyproxy);
2390: HTProxy_setNoProxyIsOnlyProxy (proxy_is_onlyproxy);
2391:
2392: /* use libwww's routine to get all proxy settings from the environment */
1.361 vatton 2393: HTProxy_getEnvVar ();
1.97 cvs 2394: }
2395:
1.207 cvs 2396: /*----------------------------------------------------------------------
1.17 cvs 2397: AHTProfile_newAmaya
2398: creates the Amaya client profile for libwww.
1.15 cvs 2399: ----------------------------------------------------------------------*/
1.353 gully 2400: static void AHTProfile_newAmaya (const char *AppName, const char *AppVersion)
1.4 cvs 2401: {
1.361 vatton 2402: char *strptr;
1.158 cvs 2403:
1.361 vatton 2404: /* If the Library is not already initialized then do it */
2405: if (!HTLib_isInitialized ())
2406: HTLibInit (AppName, AppVersion);
2407:
2408: if (!converters)
2409: converters = HTList_new ();
2410: if (!acceptTypes)
2411: acceptTypes = HTList_new ();
2412: if (!acceptLanguages)
2413: acceptLanguages = HTList_new ();
2414: if (!transfer_encodings)
2415: transfer_encodings = HTList_new ();
2416: if (!content_encodings)
2417: content_encodings = HTList_new ();
2418:
2419: /* inhibits libwww's automatic file_suffix_binding */
2420: HTFile_doFileSuffixBinding (FALSE);
2421:
2422: /* Register the default set of transport protocols */
2423: HTTransportInit ();
2424:
2425: /* Register the default set of application protocol modules */
2426: AHTProtocolInit ();
2427:
2428: /* Register the default set of messages and dialog functions */
2429: AHTAlertInit ();
2430: HTAlert_setInteractive (YES);
1.116 cvs 2431:
2432: #ifdef AMAYA_WWW_CACHE
1.361 vatton 2433: /* Enable the persistent cache */
2434: CacheInit ();
1.116 cvs 2435: #else
1.361 vatton 2436: HTCacheMode_setEnabled (NO);
1.116 cvs 2437: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 2438:
1.361 vatton 2439: /* Register the default set of BEFORE and AFTER filters */
2440: AHTNetInit ();
1.4 cvs 2441:
1.361 vatton 2442: /* Set up the default set of Authentication schemes */
2443: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL, HTBasic_delete);
2444: /* activate MDA by defaul */
2445: strptr = TtaGetEnvString ("ENABLE_MDA");
2446: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no")))
2447: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse, HTDigest_updateInfo, HTDigest_delete);
1.257 kahan 2448:
1.361 vatton 2449: /* Get any proxy settings */
2450: ProxyInit ();
1.4 cvs 2451:
1.361 vatton 2452: /* Set up the domains where we accept a redirect on PUT */
2453: SafePut_init ();
1.207 cvs 2454:
1.361 vatton 2455: /* Register the default set of converters */
2456: AHTConverterInit (converters);
2457: HTFormat_setConversion (converters);
2458: AHTAcceptTypesInit (acceptTypes);
2459: AHTAcceptLanguagesInit (acceptLanguages);
2460:
2461: /* Register the default set of transfer encoders and decoders */
2462: HTTransferEncoderInit (transfer_encodings);
2463: HTFormat_setTransferCoding (transfer_encodings);
2464: /* Register the default set of content encoders and decoders */
2465: /* commented because we don't know yet how to handle deflate in the content enconding */
2466: /* HTContentEncoderInit (content_encodings); */
2467: HTCoding_add (content_encodings, "gzip", NULL, HTIdentityCoding, 1.0);
2468: /* ignore all other encoding formats (or libwww will send them
2469: thru a blackhole otherwise */
2470: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
2471: if (HTList_count(content_encodings) > 0)
2472: HTFormat_setContentCoding(content_encodings);
2473: else
2474: {
2475: HTList_delete(content_encodings);
2476: content_encodings = NULL;
2477: }
1.4 cvs 2478:
1.361 vatton 2479: /* Register the default set of MIME header parsers */
2480: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 2481:
1.361 vatton 2482: /* Register the default set of Icons for directory listings */
2483: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 2484: }
2485:
1.5 cvs 2486: /*----------------------------------------------------------------------
1.17 cvs 2487: AHTProfile_delete
2488: deletes the Amaya client profile.
1.5 cvs 2489: ----------------------------------------------------------------------*/
1.4 cvs 2490: static void AHTProfile_delete (void)
2491: {
1.22 cvs 2492: /* free the Amaya global context */
1.151 cvs 2493: /* Clean up all the registred converters */
2494: HTFormat_deleteAll ();
2495: if (acceptTypes)
1.74 cvs 2496: HTConversion_deleteAll (acceptTypes);
1.193 cvs 2497: if (acceptLanguages)
2498: HTLanguage_deleteAll (acceptLanguages);
1.151 cvs 2499:
1.209 cvs 2500: StopAllRequests (1);
1.74 cvs 2501: HTList_delete (Amaya->docid_status);
2502: HTList_delete (Amaya->reqlist);
2503: TtaFreeMemory (Amaya);
1.61 cvs 2504:
1.337 cvs 2505: #ifdef _WINGUI
1.209 cvs 2506: if (HTLib_isInitialized ())
1.151 cvs 2507: HTEventTerminate ();
1.337 cvs 2508: #endif /* _WINGUI; */
1.341 cvs 2509:
1.151 cvs 2510: /* Clean up the persistent cache (if any) */
1.116 cvs 2511: #ifdef AMAYA_WWW_CACHE
1.151 cvs 2512: clear_cachelock ();
2513: HTCacheTerminate ();
1.116 cvs 2514: #endif /* AMAYA_WWW_CACHE */
1.217 cvs 2515:
1.218 cvs 2516: /* call remove functions that are not called automatically by libwww */
2517: HTNetCall_deleteBeforeAll (HTNet_before ());
2518: HTNetCall_deleteAfterAll (HTNet_after ());
2519: HTAA_deleteAllModules ();
2520: HTAlertCall_deleteAll (HTAlert_global () );
2521: HTAlert_setGlobal ((HTList *) NULL);
1.259 cvs 2522: HTTimer_deleteAll ();
1.249 kahan 2523: HTEventList_unregisterAll ();
1.218 cvs 2524: /* these two functions are broken, so we can't call them right now
1.361 vatton 2525: HTHeader_deleteAll ();
2526: HTTimer_deleteAll ();
1.218 cvs 2527: */
2528: HTTransport_deleteAll ();
1.217 cvs 2529: /* remove bindings between suffixes, media types*/
2530: HTBind_deleteAll ();
1.151 cvs 2531: /* Terminate libwww */
2532: HTLibTerminate ();
1.4 cvs 2533: }
2534:
1.5 cvs 2535: /*----------------------------------------------------------------------
1.116 cvs 2536: AmayacontextInit
2537: initializes an internal Amaya context for our libwww interface
2538: ----------------------------------------------------------------------*/
1.265 cvs 2539: static void AmayaContextInit ()
1.116 cvs 2540: {
1.140 cvs 2541: AmayaAlive_flag = TRUE;
1.116 cvs 2542: /* Initialization of the global context */
2543: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
2544: Amaya->reqlist = HTList_new ();
2545: Amaya->docid_status = HTList_new ();
2546: Amaya->open_requests = 0;
2547: }
2548:
2549: /*----------------------------------------------------------------------
1.17 cvs 2550: QueryInit
2551: initializes the libwww interface
1.5 cvs 2552: ----------------------------------------------------------------------*/
1.265 cvs 2553: void QueryInit ()
1.4 cvs 2554: {
1.265 cvs 2555: char *strptr;
2556: int tmp_i;
2557: long tmp_l;
1.4 cvs 2558:
1.361 vatton 2559: AmayaContextInit ();
2560: AHTProfile_newAmaya (TtaGetAppName(), TtaGetAppVersion());
2561: CanDoStop_set (TRUE);
2562: UserAborted_flag = FALSE;
1.4 cvs 2563:
1.337 cvs 2564: #ifdef _WINGUI
1.361 vatton 2565: HTEventInit ();
1.337 cvs 2566: #endif /* _WINGUI */
1.72 cvs 2567:
1.341 cvs 2568: #ifdef _WX
1.361 vatton 2569: wxAmayaSocketEventLoop::InitSocketLib();
1.341 cvs 2570: #endif /* _WX */
2571:
1.344 vatton 2572: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.361 vatton 2573: HTEvent_setRegisterCallback ( AHTEvent_register);
2574: HTEvent_setUnregisterCallback (AHTEvent_unregister);
2575: HTTimer_registerSetTimerCallback ((BOOL (*)(HTTimer*)) AMAYA_SetTimer);
2576: HTTimer_registerDeleteTimerCallback ((BOOL (*)(HTTimer*))AMAYA_DeleteTimer);
1.344 vatton 2577: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.190 cvs 2578:
1.213 cvs 2579: #ifdef HTDEBUG
1.361 vatton 2580: /* an undocumented option for being able to generate an HTTP protocol
2581: trace. The flag can take values from 1-10, which are interpreted as
2582: different kinds of debug traces. Value 99 means a complete trace.
2583: 0 or other values means No Debug.1 No Debug (default), up to Full debug, respectively. */
2584: if (TtaGetEnvInt ("ENABLE_LIBWWW_DEBUG", &tmp_i))
2585: {
2586: switch (tmp_i)
2587: {
2588: case 1:
2589: WWW_TraceFlag = SHOW_URI_TRACE;
2590: break;
2591: case 2:
2592: WWW_TraceFlag = SHOW_BIND_TRACE;
2593: break;
2594: case 3:
2595: WWW_TraceFlag = SHOW_THREAD_TRACE;
2596: break;
2597: case 4:
2598: WWW_TraceFlag = SHOW_STREAM_TRACE;
2599: break;
2600: case 5:
2601: WWW_TraceFlag = SHOW_PROTOCOL_TRACE;
2602: break;
2603: case 6:
2604: WWW_TraceFlag = SHOW_MEM_TRACE;
2605: break;
2606: case 7:
2607: WWW_TraceFlag = SHOW_URI_TRACE;
2608: break;
2609: case 8:
2610: WWW_TraceFlag = SHOW_AUTH_TRACE;
2611: break;
2612: case 9:
2613: WWW_TraceFlag = SHOW_ANCHOR_TRACE;
2614: break;
2615: case 10 :
2616: WWW_TraceFlag = SHOW_CORE_TRACE;
2617: break;
2618: case 11 :
2619: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_ANCHOR_TRACE | SHOW_AUTH_TRACE | SHOW_URI_TRACE | SHOW_THREAD_TRACE | SHOW_STREAM_TRACE;
2620: break;
2621: case 99 :
2622: WWW_TraceFlag = SHOW_ALL_TRACE;
2623: break;
2624: default:
2625: WWW_TraceFlag = 0;
2626: break;
2627: }
2628: if (WWW_TraceFlag)
2629: {
2630: /* Trace activation (for debugging) */
2631: char *s, *tmp;
2632: s = TtaGetEnvString ("APP_TMPDIR");
2633: tmp = (char *)TtaGetMemory (strlen (s) + sizeof ("/libwww.log") + 1);
2634: strcpy (tmp, s);
2635: strcat (tmp, "/libwww.log");
2636: trace_fp = fopen (tmp, "ab");
2637: TtaFreeMemory (tmp);
2638: if (trace_fp)
2639: HTTrace_setCallback(LineTrace);
2640: }
2641: }
2642: else
2643: WWW_TraceFlag = 0;
1.213 cvs 2644: #endif /* HTDEBUG */
1.208 cvs 2645:
1.74 cvs 2646: #ifdef DEBUG_LIBWWW
1.116 cvs 2647: /* forwards error messages to our own function */
1.361 vatton 2648: WWW_TraceFlag = THD_TRACE;
2649: HTTrace_setCallback(LineTrace);
1.248 kahan 2650:
1.361 vatton 2651: /***
2652: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
2653: ***/
1.152 cvs 2654: #endif
1.247 kahan 2655:
1.361 vatton 2656: TtaGetEnvBoolean ("ENABLE_FTP", &FTPURL_flag);
1.152 cvs 2657:
1.361 vatton 2658: /* Setting up different network parameters */
1.151 cvs 2659:
1.361 vatton 2660: /* Maximum number of simultaneous open sockets */
2661: strptr = TtaGetEnvString ("MAX_SOCKET");
2662: if (strptr && *strptr)
2663: tmp_i = atoi (strptr);
2664: else
2665: tmp_i = DEFAULT_MAX_SOCKET;
2666: HTNet_setMaxSocket (tmp_i);
2667:
2668: /* different network services timeouts */
2669: /* dns timeout */
2670: strptr = TtaGetEnvString ("DNS_TIMEOUT");
2671: if (strptr && *strptr)
2672: tmp_i = atoi (strptr);
2673: else
2674: tmp_i = DEFAULT_DNS_TIMEOUT;
2675: HTDNS_setTimeout (tmp_i);
2676:
2677: /* persistent connections timeout */
2678: strptr = TtaGetEnvString ("PERSIST_CX_TIMEOUT");
2679: if (strptr && *strptr)
2680: tmp_l = atol (strptr);
2681: else
2682: tmp_l = DEFAULT_PERSIST_TIMEOUT;
2683: HTHost_setPersistTimeout (tmp_l);
2684:
2685: /* default timeout in ms */
2686: strptr = TtaGetEnvString ("NET_EVENT_TIMEOUT");
2687: if (strptr && *strptr)
2688: tmp_i = atoi (strptr);
2689: else
2690: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
2691: HTHost_setEventTimeout (tmp_i);
1.151 cvs 2692:
1.361 vatton 2693: HTRequest_setMaxRetry (8);
1.4 cvs 2694: #ifdef CATCH_SIG
1.361 vatton 2695: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2696: #endif
1.15 cvs 2697: }
2698:
2699: /*----------------------------------------------------------------------
1.17 cvs 2700: LoopForStop
1.136 cvs 2701: a copy of the Thop event loop so we can handle the stop button in Unix
2702: and preemptive requests under Windows
1.15 cvs 2703: ----------------------------------------------------------------------*/
2704: static int LoopForStop (AHTReqContext * me)
2705: {
1.331 gully 2706: int status_req = HT_OK;
2707:
1.337 cvs 2708: #ifdef _WINGUI
1.136 cvs 2709: MSG msg;
2710: unsigned long libwww_msg;
2711: HWND old_active_window, libwww_window;
1.331 gully 2712:
1.136 cvs 2713:
2714: old_active_window = GetActiveWindow ();
2715: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2716:
1.149 cvs 2717: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
1.361 vatton 2718: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
2719: GetMessage (&msg, NULL, 0, 0))
1.253 cvs 2720: {
2721: if (msg.message != WM_QUIT)
1.361 vatton 2722: TtaHandleOneEvent (&msg);
1.253 cvs 2723: else
1.361 vatton 2724: break;
1.253 cvs 2725: }
1.136 cvs 2726: if (!AmayaIsAlive ())
2727: /* Amaya was killed by one of the callback handlers */
2728: exit (0);
1.337 cvs 2729: #endif /* _WINGUI */
1.331 gully 2730:
1.344 vatton 2731: #if defined(_GTK) || defined(_WX)
1.361 vatton 2732: ThotEvent ev;
1.15 cvs 2733:
1.361 vatton 2734: /* to test the async calls */
2735: /* Loop while waiting for new events, exists when the request is over */
2736: while (me->reqStatus != HT_ABORT &&
2737: me->reqStatus != HT_END &&
2738: me->reqStatus != HT_ERR) {
2739: if (!AmayaIsAlive ())
1.69 cvs 2740: /* Amaya was killed by one of the callback handlers */
2741: exit (0);
1.277 kahan 2742:
1.361 vatton 2743: if (TtaFetchOneAvailableEvent (&ev))
2744: TtaHandleOneEvent (&ev);
1.340 gully 2745: #ifdef _WX
1.361 vatton 2746: /* this is necessary for synchronous request*/
2747: /* check the socket stats */
2748: wxAmayaSocketEvent::CheckSocketStatus( 500 );
1.340 gully 2749: #endif /* _WX */
1.361 vatton 2750: }
1.344 vatton 2751: #endif /* #if defined(_GTK) || defined(_WX) */
1.331 gully 2752:
1.361 vatton 2753: switch (me->reqStatus) {
2754: case HT_ERR:
2755: case HT_ABORT:
2756: status_req = NO;
2757: break;
2758: case HT_END:
2759: status_req = YES;
2760: break;
2761: default:
2762: break;
2763: }
2764: return (status_req);
1.4 cvs 2765: }
2766:
1.5 cvs 2767: /*----------------------------------------------------------------------
1.15 cvs 2768: QueryClose
1.21 cvs 2769: closes all existing threads, frees all non-automatically deallocated
2770: memory and then ends libwww.
1.5 cvs 2771: ----------------------------------------------------------------------*/
1.116 cvs 2772: void QueryClose ()
1.4 cvs 2773: {
1.24 cvs 2774:
1.140 cvs 2775: AmayaAlive_flag = FALSE;
1.24 cvs 2776:
1.116 cvs 2777: /* remove all the handlers and callbacks that may output a message to
2778: a non-existent Amaya window */
2779: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2780: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.344 vatton 2781: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.116 cvs 2782: /** need to erase all existing timers too **/
1.361 vatton 2783: HTTimer_registerSetTimerCallback (NULL);
2784: HTTimer_registerDeleteTimerCallback (NULL);
1.344 vatton 2785: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.116 cvs 2786: HTHost_setActivateRequestCallback (NULL);
2787: Thread_deleteAll ();
1.21 cvs 2788:
1.116 cvs 2789: HTProxy_deleteAll ();
2790: HTNoProxy_deleteAll ();
1.207 cvs 2791: SafePut_delete ();
1.116 cvs 2792: HTGateway_deleteAll ();
2793: AHTProfile_delete ();
1.248 kahan 2794:
2795: /* close the trace file (if it exists) */
2796: if (trace_fp)
2797: fclose (trace_fp);
2798:
1.116 cvs 2799: }
2800:
2801: /*----------------------------------------------------------------------
2802: NextNameValue
2803: ---------------------------------------------------------------------*/
1.265 cvs 2804: static char * NextNameValue (char **pstr, char **name, char **value)
1.116 cvs 2805: {
2806: char * p = *pstr;
2807: char * start = NULL;
2808: if (!pstr || !*pstr) return NULL;
2809:
1.361 vatton 2810: if (!*p) {
2811: *pstr = p;
2812: *name = NULL;
2813: *value = NULL;
2814: return NULL; /* No field */
2815: }
1.116 cvs 2816:
1.361 vatton 2817: /* Now search for the next '&' and ';' delimitators */
2818: start = p;
2819: while (*p && *p != '&' && *p != ';') p++;
2820: if (*p)
2821: *p++ = '\0';
2822: *pstr = p;
2823:
2824: /* Search for the name and value */
2825: *name = start;
2826: p = start;
1.116 cvs 2827:
1.361 vatton 2828: while(*p && *p != '=')
2829: p++;
2830: if (*p)
2831: *p++ = '\0';
2832: *value = p;
1.116 cvs 2833:
1.361 vatton 2834: return start;
1.116 cvs 2835: }
2836:
2837: /*----------------------------------------------------------------------
2838: PrepareFormdata
2839: ---------------------------------------------------------------------*/
1.265 cvs 2840: static HTAssocList * PrepareFormdata (char *string)
1.116 cvs 2841: {
1.266 cvs 2842: char *tmp_string, *tmp_string_ptr;
2843: char *name;
2844: char *value;
2845: HTAssocList *formdata;
1.116 cvs 2846:
2847: if (!string)
2848: return NULL;
2849:
2850: /* store the ptr in another variable, as the original address will
2851: change
1.361 vatton 2852: */
1.236 cvs 2853:
1.334 gully 2854: tmp_string_ptr = (char *)TtaGetMemory (strlen (string) + 1);
1.236 cvs 2855: tmp_string = tmp_string_ptr;
1.273 cvs 2856: strcpy (tmp_string_ptr, string);
1.116 cvs 2857: formdata = HTAssocList_new();
2858:
2859: while (*tmp_string)
2860: {
2861: NextNameValue (&tmp_string, &name, &value);
2862: HTAssocList_addObject(formdata,
1.361 vatton 2863: name, value);
1.116 cvs 2864: }
2865:
2866: TtaFreeMemory (tmp_string_ptr);
2867: return formdata;
1.4 cvs 2868: }
2869:
1.236 cvs 2870: /*----------------------------------------------------------------------
2871: ---------------------------------------------------------------------*/
1.332 kahan 2872: void AHTRequest_setRefererHeader (AHTReqContext *me)
1.326 vatton 2873: {
1.332 kahan 2874: HTRequest *request;
2875: HTRqHd rqhd;
2876: ThotBool referer;
2877:
2878: TtaGetEnvBoolean ("SEND_REFERER", &referer);
2879: if (referer && me->refdocUrl && me->refdocUrl[0] != EOS
2880: && IsHTTPPath (me->refdocUrl))
2881: {
2882: request = me->request;
2883: rqhd = HTRequest_rqHd (request);
1.334 gully 2884: rqhd = (HTRqHd)((int)rqhd & (~HT_C_REFERER));
1.332 kahan 2885:
2886: HTRequest_setRqHd (request, rqhd);
2887: HTRequest_addExtraHeader (request, "Referer", me->refdocUrl);
2888: }
1.326 vatton 2889: }
2890:
2891: /*----------------------------------------------------------------------
2892: ---------------------------------------------------------------------*/
1.216 cvs 2893: void AHTRequest_setCustomAcceptHeader (HTRequest *request, char *value)
2894: {
2895: HTRqHd rqhd = HTRequest_rqHd (request);
1.334 gully 2896: rqhd = (HTRqHd)((int)rqhd & (~HT_C_ACCEPT_TYPE));
1.216 cvs 2897: HTRequest_setRqHd (request, rqhd);
1.221 cvs 2898: HTRequest_addExtraHeader (request, "Accept", value);
1.216 cvs 2899: }
2900:
1.228 cvs 2901: /*----------------------------------------------------------------------
1.318 kahan 2902: GetOutputFileName
2903: Generates a temporary filename (based on a counter) for storing
2904: the information that a server sends back.
2905: ----------------------------------------------------------------------*/
2906: static void GetOutputFileName (char *outputfile, int tempsubdir)
2907: {
2908: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP,
1.361 vatton 2909: object_counter);
1.318 kahan 2910: /* update the object_counter (used for the tempfilename) */
2911: object_counter++;
2912: }
2913:
2914: /*----------------------------------------------------------------------
1.99 cvs 2915: InvokeGetObjectWWW_callback
2916: A simple function to invoke a callback function whenever there's an error
2917: in GetObjectWWW
2918: ---------------------------------------------------------------------*/
1.265 cvs 2919: void InvokeGetObjectWWW_callback (int docid, char *urlName,
1.361 vatton 2920: char *outputfile, TTcbf *terminate_cbf,
2921: void *context_tcbf, int status)
1.99 cvs 2922: {
2923: if (!terminate_cbf)
2924: return;
2925:
1.116 cvs 2926: (*terminate_cbf) (docid, status, urlName, outputfile,
1.361 vatton 2927: NULL, context_tcbf);
1.99 cvs 2928: }
2929:
2930:
1.5 cvs 2931: /*----------------------------------------------------------------------
1.361 vatton 2932: GetObjectWWW
2933: this function requests a resource designated by a URLname into a
2934: temporary filename. The download can come from a simple GET operation,
2935: or can come from POSTING/GETTING a form. In the latter
2936: case, the function receives a query string to send to the server.
1.17 cvs 2937:
1.361 vatton 2938: 4 file retrieval modes are proposed:
2939: AMAYA_SYNC : blocking mode
2940: AMAYA_ISYNC : incremental, blocking mode
2941: AMAYA_ASYNC : non-blocking mode
2942: AMAYA_IASYNC : incremental, non-blocking mode
1.5 cvs 2943:
1.361 vatton 2944: In the incremental mode, each time a package arrives, it will be
2945: stored in the temporary file. In addition, if an
2946: incremental_callback function is defined, this function will be
2947: called and handled a copy of the newly received data package.
2948: Finally, if a terminate_callback function is defined, it will be
2949: invoked when the request terminates. The caller of this function
2950: can define two different contexts to be passed to the callback
2951: functions.
2952:
2953: When the function is called with the SYNC mode, the function will
2954: return only when the requested file has been loaded.
2955: The ASYNC mode will immediately return after setting up the
2956: call.
2957:
2958: Notes:
2959: At the end of a succesful request, the urlName string contains the
2960: name of the actually retrieved URL. As a URL can change over the time,
2961: (e.g., be redirected elsewhere), it is advised that the function
2962: caller verify the value of the urlName variable at the end of
2963: a request.
2964:
2965: Inputs:
2966: - docid Document identifier for the set of objects being
2967: retrieved.
2968: - refdoc Document identifier to refer.
2969: - urlName The utf8-coded URL to be retrieved (MAX_URL_LENGTH chars length)
2970: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2971: - mode The retrieval mode.
2972: - incremental_cbf
2973: - context_icbf
2974: Callback and context for the incremental modes
2975: - terminate_cbf
2976: - context_icbf
2977: Callback and context for a terminate handler
2978: -error_html if TRUE, then display any server error message as an
2979: HTML document.
2980: - content_type a string
1.88 cvs 2981:
1.361 vatton 2982: Outputs:
2983: - urlName The URL that was retrieved
2984: - outputfile The name of the temporary file which holds the
2985: retrieved data. (Only in case of success)
2986: - if content_type wasn't NULL, it will contain a copy of the parameter
2987: sent in the HTTP answer
2988: Returns:
2989: HT_ERROR
2990: HT_OK
1.5 cvs 2991: ----------------------------------------------------------------------*/
1.326 vatton 2992: int GetObjectWWW (int docid, int refdoc, char *urlName, char *formdata,
1.361 vatton 2993: char *outputfile, int mode, TIcbf *incremental_cbf,
2994: void *context_icbf, TTcbf *terminate_cbf,
2995: void *context_tcbf, ThotBool error_html, char *content_type)
2996: {
2997: AHTReqContext *me;
2998: char *ref;
2999: char *esc_url;
3000: int status, l;
3001: int tempsubdir;
3002: ThotBool bool_tmp, referer;
3003:
3004: if (urlName == NULL || outputfile == NULL)
3005: {
3006: /* no file to be loaded */
3007: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 3008:
3009: if (error_html)
1.361 vatton 3010: /* so we can show the error message */
3011: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
3012: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
3013: context_tcbf, HT_ERROR);
3014: return HT_ERROR;
3015: }
3016:
3017: /* if it's a 'docImage', we have already downloaded it */
3018: if (!strncmp ("internal:", urlName, 9))
3019: {
3020: strcpy (outputfile, urlName);
3021: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
3022: terminate_cbf, context_tcbf, HT_OK);
3023: return HT_OK;
3024: }
3025:
3026: /* do we support this protocol? */
3027: if (IsValidProtocol (urlName) == NO)
3028: {
3029: /* return error */
3030: outputfile[0] = EOS; /* file could not be opened */
3031: TtaSetStatus (docid, 1,
3032: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
3033: urlName);
3034:
3035: if (error_html)
3036: /* so we can show the error message */
3037: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 3038: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.361 vatton 3039: context_tcbf, HT_ERROR);
1.69 cvs 3040: return HT_ERROR;
1.361 vatton 3041: }
3042:
3043: /* we store CSS in subdir named 0; all the other files go to a subdir
3044: named after their own docid */
3045: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
3046: /* create a tempfilename */
3047: GetOutputFileName (outputfile, tempsubdir);
3048:
3049: /* normalize the URL */
3050: esc_url = EscapeURL (urlName);
3051: if (esc_url)
3052: {
3053: ref = AmayaParseUrl (esc_url, "", AMAYA_PARSE_ALL);
3054: TtaFreeMemory (esc_url);
3055: }
3056: else
3057: ref = NULL;
1.116 cvs 3058:
1.361 vatton 3059: /* should we abort the request if we could not normalize the url? */
3060: if (ref == NULL || ref[0] == EOS) {
3061: /*error */
3062: outputfile[0] = EOS;
3063: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
3064: if (ref)
3065: TtaFreeMemory (ref);
3066: if (error_html)
3067: /* so we can show the error message */
3068: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
3069: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
3070: context_tcbf, HT_ERROR);
3071: return HT_ERROR;
3072: }
3073:
3074: /* verify if that file name existed */
3075: if (TtaFileExist (outputfile))
3076: TtaFileUnlink (outputfile);
1.116 cvs 3077:
1.361 vatton 3078: /* Initialize the request structure */
3079: me = AHTReqContext_new (docid);
3080: if (me == NULL)
3081: {
3082: outputfile[0] = EOS;
3083: /* need an error message here */
3084: TtaFreeMemory (ref);
3085: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
3086: context_tcbf, HT_ERROR);
3087: return HT_ERROR;
3088: }
3089:
3090: /* Specific initializations for POST and GET */
3091: if (mode & AMAYA_FORM_POST
3092: || mode & AMAYA_FILE_POST)
3093: {
3094: me->method = METHOD_POST;
3095: HTRequest_setMethod (me->request, METHOD_POST);
3096: }
3097: else
3098: {
1.254 kahan 3099: #ifdef ANNOTATIONS
1.361 vatton 3100: /* we support the DELETE method for deleting annotations.
3101: the rest of the request is similar to the GET */
3102: if (mode & AMAYA_DELETE)
3103: {
3104: me->method = METHOD_GET;
3105: HTRequest_setMethod (me->request, METHOD_DELETE);
3106: }
3107: else
1.254 kahan 3108: #endif /* ANNOTATIONS */
1.361 vatton 3109: me->method = METHOD_GET;
1.295 kahan 3110: #ifdef ANNOTATIONS
1.361 vatton 3111: /* use the custom sent content_type */
3112: if (content_type && content_type[0] != EOS)
3113: AHTRequest_setCustomAcceptHeader (me->request, content_type);
3114: else
1.295 kahan 3115: #endif /* ANNOTATIONS */
1.361 vatton 3116: if (!HasKnownFileSuffix (ref))
3117: {
3118: /* try to adjust the Accept header in an netwise economical way */
3119: if (mode & AMAYA_LOAD_IMAGE)
3120: AHTRequest_setCustomAcceptHeader (me->request, IMAGE_ACCEPT_NEGOTIATION);
3121: else if (mode & AMAYA_LOAD_CSS)
3122: AHTRequest_setCustomAcceptHeader (me->request, "*/*;q=0.1,css/*");
3123: else
3124: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
3125: /*
3126: HTRequest_setConversion(me->request, acceptTypes, TRUE);
3127: */
3128: }
3129: else
3130: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
3131: /* IV 13/08/2003 */
3132: TtaGetEnvBoolean ("SEND_REFERER", &referer);
3133: if (referer && refdoc && DocumentURLs[refdoc] &&
3134: IsHTTPPath (DocumentURLs[refdoc]))
3135: {
3136: me->refdocUrl = TtaStrdup (DocumentURLs[refdoc]);
3137: AHTRequest_setRefererHeader (me);
3138: }
3139: /* language negotiation */
3140: HTRequest_setLanguage (me->request, acceptLanguages, TRUE);
3141: }
3142:
3143: /* Common initialization for all HTML methods */
3144: me->mode = mode;
3145: me->error_html = error_html;
3146: me->incremental_cbf = incremental_cbf;
3147: me->context_icbf = context_icbf;
3148: me->terminate_cbf = terminate_cbf;
3149: me->context_tcbf = context_tcbf;
1.64 cvs 3150:
1.361 vatton 3151: /* for the async. request modes, we need to have our
3152: own copy of outputfile and urlname
3153: */
1.4 cvs 3154:
1.361 vatton 3155: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
3156: {
3157: l = strlen (outputfile);
3158: if (l > MAX_LENGTH)
3159: me->outputfile = (char *)TtaGetMemory (l + 2);
3160: else
3161: me->outputfile = (char *)TtaGetMemory (MAX_LENGTH + 2);
3162: strcpy (me->outputfile, outputfile);
3163: l = strlen (urlName);
3164: if (l > MAX_LENGTH)
3165: me->urlName = (char *)TtaGetMemory (l + 2);
3166: else
3167: me->urlName = (char *)TtaGetMemory (MAX_LENGTH + 2);
3168: strcpy (me->urlName, urlName);
3169: /* TODO: a tester que ca marche bien avec WX */
1.352 gully 3170: #ifdef _WINDOWS
1.361 vatton 3171: /* force windows ASYNC requests to always be non preemptive */
3172: HTRequest_setPreemptive (me->request, NO);
1.352 gully 3173: #endif /*_WINDOWS */
1.361 vatton 3174: } /* AMAYA_ASYNC mode */
3175: else
1.352 gully 3176: #ifdef _WINDOWS
1.361 vatton 3177: {
3178: me->outputfile = outputfile;
3179: me->urlName = urlName;
3180: /* force windows SYNC requests to always be non preemptive */
3181: HTRequest_setPreemptive (me->request, YES);
3182: }
1.352 gully 3183: #endif /* !_WINDOWS */
1.331 gully 3184:
1.352 gully 3185: #if defined(_UNIX)
1.361 vatton 3186: {
3187: me->outputfile = outputfile;
3188: me->urlName = urlName;
3189: }
3190: /***
3191: In order to take into account the stop button,
3192: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
3193: we will loop until the document has been received or a stop signal
3194: generated
3195: ****/
3196: HTRequest_setPreemptive (me->request, NO);
1.352 gully 3197: #endif /* #if defined(_UNIX) */
1.61 cvs 3198:
1.361 vatton 3199: /*
3200: ** Make sure that the first request is flushed immediately and not
3201: ** buffered in the output buffer
3202: */
3203: if (mode & AMAYA_FLUSH_REQUEST)
3204: HTRequest_setFlush(me->request, YES);
3205: HTRequest_setFlush(me->request, YES);
3206:
3207: /* prepare the URLname that will be displayed in teh status bar */
3208: ChopURL (me->status_urlName, me->urlName);
3209: TtaSetStatus (me->docid, 1,
3210: TtaGetMessage (AMAYA, AM_FETCHING),
3211: me->status_urlName);
1.4 cvs 3212:
1.361 vatton 3213: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
3214: TtaFreeMemory (ref);
1.177 cvs 3215:
1.361 vatton 3216: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
3217: if (!bool_tmp && (mode & AMAYA_NOCACHE))
3218: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
3219:
3220: /* prepare the query string and format for POST */
3221: if (mode & AMAYA_FORM_POST)
3222: {
3223: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
3224: HTAtom_for ("application/x-www-form-urlencoded"));
3225: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
3226: HTRequest_setEntityAnchor (me->request, me->anchor);
3227: }
3228:
3229: /* create the formdata element for libwww */
3230: if (formdata && ! (mode & AMAYA_FILE_POST))
3231: me->formdata = PrepareFormdata (formdata);
1.127 cvs 3232:
1.297 kirschpi 3233:
3234: #ifdef DAV
1.361 vatton 3235: /* try to add an "If" header (lock information) also for POST
3236: * requests and for GET forms */
3237: if (HTRequest_method(me->request) == METHOD_POST ||
3238: (HTRequest_method(me->request) == METHOD_GET && me->formdata))
3239: DAVAddIfHeader (me,HTAnchor_address((HTAnchor*)me->anchor));
1.302 kirschpi 3240: #endif /* DAV */
1.297 kirschpi 3241:
3242:
1.361 vatton 3243: /* do the request */
3244: if (mode & AMAYA_FORM_POST)
3245: {
3246: /* this call doesn't give back a ThotBool */
3247: HTParentAnchor * posted = NULL;
3248:
3249: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
3250: me->request);
3251: status = posted ? YES : NO;
3252: }
1.222 cvs 3253: #ifdef ANNOTATIONS
1.361 vatton 3254: else if (mode & AMAYA_FILE_POST)
3255: {
3256: unsigned long filesize;
3257: char *fileURL;
3258:
3259: /* @@@ a very ugly patch :)))
3260: I'm copying here some of the functionality I use in the PUT
3261: I need to put the common parts in another module */
3262: AM_GetFileSize (formdata, &filesize);
3263: me->block_size = filesize;
3264:
3265: fileURL = HTParse (formdata, "file:/", PARSE_ALL);
3266: me->source = HTAnchor_findAddress (fileURL);
3267: HT_FREE (fileURL);
3268:
3269: /* hardcoded ... */
3270: AHTRequest_setCustomAcceptHeader (me->request, "application/xml");
3271: HTAnchor_setFormat (HTAnchor_parent (me->source),
3272: HTAtom_for ("application/xml"));
3273: HTAnchor_setFormat (me->anchor,
3274: HTAtom_for ("application/xml"));
3275: HTAnchor_setLength ((HTParentAnchor *) me->source, me->block_size);
3276: /* @@ here I need to actually read the file and put it in document,
3277: then, when I kill the request, I need to kill it */
3278: {
3279: FILE *fp;
3280: int i;
3281: char c;
3282:
3283: me->document = (char *)TtaGetMemory (me->block_size + 1);
3284: fp = TtaReadOpen (formdata);
3285: i = 0;
3286: c = getc (fp);
3287: while (!feof (fp))
3288: {
3289: me->document[i++] = c;
3290: c = getc (fp);
3291: }
3292: me->document[i] = EOS;
3293: TtaReadClose (fp);
3294: }
3295: HTAnchor_setDocument ( (HTParentAnchor *) me->source,
3296: (void * ) me->document);
3297: HTRequest_setEntityAnchor (me->request, HTAnchor_parent (me->source));
1.228 cvs 3298:
1.361 vatton 3299: status = HTPostAnchor (HTAnchor_parent (me->source),
3300: (HTAnchor *) me->anchor,
3301: me->request);
3302: }
1.222 cvs 3303: #endif /* ANNOTATIONS */
1.361 vatton 3304: else if (formdata)
3305: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
3306: me->request);
3307: else
3308: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
3309:
3310: /* @@@ may need some special windows error msg here */
3311: /* control the errors */
3312:
3313: if (status == NO)
3314: /* the request invocation failed */
3315: {
3316: /* show an error message on the status bar */
3317: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
3318: TtaSetStatus (docid, 1,
3319: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
3320: urlName);
3321: if (me->reqStatus == HT_NEW)
3322: /* manually invoke the last processing that usually gets done
3323: in a succesful request */
3324: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
3325: terminate_cbf, context_tcbf, HT_ERROR);
3326: /* terminate_handler wasn't called */
3327: AHTReqContext_delete (me);
3328: }
3329: else
3330: /* end treatment for SYNC requests */
3331: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3332: {
3333: /* wait here untilt the asynchronous request finishes */
3334: status = LoopForStop (me);
3335: /* if status returns HT_ERROR, should we invoke the callback? */
3336: if (!HTRequest_kill (me->request))
3337: AHTReqContext_delete (me);
3338: }
3339:
3340: /* an interface problem!!! */
3341: return (status == YES ? 0 : -1);
1.4 cvs 3342: }
3343:
1.5 cvs 3344: /*----------------------------------------------------------------------
1.361 vatton 3345: PutObjectWWW
3346: frontend for uploading a resource to a URL. This function downloads
3347: a file to be uploaded into memory, it then calls UploadMemWWW to
3348: finish the job.
3349:
3350: 2 upload modes are proposed:
3351: AMAYA_SYNC : blocking mode
3352: AMAYA_ASYNC : non-blocking mode
1.5 cvs 3353:
1.361 vatton 3354: When the function is called with the SYNC mode, the function will
3355: return only when the file has been uploaded.
3356: The ASYNC mode will immediately return after setting up the
3357: call. Furthermore, at the end of an upload, the ASYNC mode will
3358: call back terminate_cbf, handling it the context defined in
3359: context_tcbf.
3360:
3361: Notes:
3362: At the end of a succesful request, the urlName string contains the
3363: name of the actually uploaded URL. As a URL can change over the time,
3364: (e.g., be redirected elsewhere), it is advised that the function
3365: caller verifies the value of the urlName variable at the end of
3366: a request.
3367:
3368: Inputs:
3369: - docid Document identifier for the set of objects being
3370: retrieved.
3371: - fileName A pointer to the local file to upload
3372: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
3373: - mode The retrieval mode.
3374: - terminate_cbf
3375: - context_icbf
3376: Callback and context for a terminate handler
3377:
3378: Outputs:
3379: - urlName The URL that was uploaded
3380:
3381: Returns:
3382: HT_ERROR
3383: HT_OK
1.5 cvs 3384: ----------------------------------------------------------------------*/
1.276 kahan 3385: int PutObjectWWW (int docid, char *fileName, char *urlName,
1.361 vatton 3386: char *contentType, char *outputfile, int mode,
3387: TTcbf *terminate_cbf, void *context_tcbf)
1.4 cvs 3388: {
1.361 vatton 3389: AHTReqContext *me;
3390: CHARSET charset;
3391: int status;
3392: unsigned long file_size = 0;
3393: char *fileURL;
3394: char *etag = NULL;
3395: HTParentAnchor *dest_anc_parent;
3396: char *tmp;
3397: char *esc_url;
3398: int UsePreconditions;
3399: char url_name[MAX_LENGTH];
3400: char *resource_name;
3401: char *tmp2;
3402: char file_name[MAX_LENGTH];
3403: ThotBool lost_update_check = TRUE;
3404:
3405: if (mode & AMAYA_SIMPLE_PUT)
3406: {
3407: lost_update_check = FALSE;
3408: UsePreconditions = FALSE;
3409: if (!outputfile)
3410: return HT_ERROR;
3411: }
3412: else
3413: {
3414: /* should we protect the PUT against lost updates? */
3415: tmp = TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
3416: if (tmp && *tmp && strcasecmp (tmp, "yes"))
3417: lost_update_check = FALSE;
1.168 cvs 3418:
1.361 vatton 3419: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
3420: }
1.4 cvs 3421:
1.361 vatton 3422: AmayaLastHTTPErrorMsg [0] = EOS;
3423: if (urlName == NULL || docid == 0 || fileName == NULL
3424: || !TtaFileExist (fileName))
3425: /* no file to be uploaded */
3426: return HT_ERROR;
3427:
3428: /* do we support this protocol? */
3429: if (IsValidProtocol (urlName) == NO)
3430: {
3431: /* return error */
3432: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL), urlName);
1.4 cvs 3433: return HT_ERROR;
1.361 vatton 3434: }
3435:
3436: /* get the size of the file */
3437: if (!AM_GetFileSize (fileName, &file_size) || file_size == 0L)
3438: {
3439: /* file was empty */
3440: /*errmsg here */
3441: return (HT_ERROR);
3442: }
3443:
3444: /* prepare the request context */
3445: if (THD_TRACE)
3446: fprintf (stderr, "file size == %u\n", (unsigned) file_size);
3447:
3448: me = AHTReqContext_new (docid);
3449: if (me == NULL)
3450: {
3451: /* @@ need an error message here */
3452: TtaHandlePendingEvents ();
3453: return (HT_ERROR);
3454: }
3455:
3456: /*
3457: ** Set up the original URL name
3458: */
3459:
3460: /* are we using content-location? */
3461: if (DocumentMeta[docid]->content_location)
3462: resource_name = DocumentMeta[docid]->content_location;
3463: else
3464: resource_name = NULL;
1.4 cvs 3465:
1.361 vatton 3466: /* prepare the target URL */
3467: if (resource_name)
3468: {
3469: tmp = strstr (urlName, resource_name);
3470: if (!tmp)
3471: {
3472: /* urlName does not include the resource name */
3473: me->default_put_name = (char *)TtaGetMemory (strlen (urlName)
3474: + strlen (resource_name)
3475: + sizeof (URL_SEP)
3476: + 1);
3477: strcpy (me->default_put_name, urlName);
3478: tmp = strrchr (me->default_put_name, URL_SEP);
3479: if (tmp)
3480: {
1.362 ! vatton 3481: /* it is a URL finishing in /. Only add the resource name */
1.361 vatton 3482: tmp++;
3483: strcpy (tmp, resource_name);
3484: }
3485: else
3486: {
3487: strcat (me->default_put_name, URL_STR);
3488: strcat (me->default_put_name, resource_name);
3489: }
3490: }
3491: }
1.285 kahan 3492:
1.361 vatton 3493: if (!me->default_put_name)
3494: me->default_put_name = TtaStrdup (urlName);
1.271 kahan 3495:
1.361 vatton 3496: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.116 cvs 3497:
1.361 vatton 3498: me->mode = mode;
3499: me->incremental_cbf = (TIcbf *) NULL;
3500: me->context_icbf = (void *) NULL;
3501: me->terminate_cbf = terminate_cbf;
3502: me->context_tcbf = context_tcbf;
3503:
3504: /* normalize the URL */
3505: esc_url = EscapeURL (urlName);
3506: me->urlName = TtaStrdup (esc_url);
3507: TtaFreeMemory (esc_url);
3508:
3509: me->block_size = file_size;
3510: /* select the parameters that distinguish a PUT from a GET/POST */
3511: me->method = METHOD_PUT;
3512: if (mode & AMAYA_SIMPLE_PUT)
3513: {
3514: me->output = NULL;
3515: GetOutputFileName (outputfile, docid);
3516: me->outputfile = outputfile;
3517: }
3518: else
3519: {
3520: me->output = stdout;
3521: /* we are not expecting to receive any input from the server */
3522: me->outputfile = (char *) NULL;
3523: }
1.4 cvs 3524:
1.354 gully 3525: #ifdef _WX
3526: char * localfilename = TtaGetRealFileName (fileName);
3527: /* @@IV 18/08/2004 eencode spaces in the local filename */
3528: fileURL = EscapeURL (localfilename);
3529: TtaFreeMemory(localfilename);
3530: #else /* _WX */
1.361 vatton 3531: /* @@IV 18/08/2004 eencode spaces in the local filename */
3532: fileURL = EscapeURL (fileName);
1.354 gully 3533: #endif /* _WX */
1.361 vatton 3534: if (fileURL)
3535: {
3536: strcpy (file_name, fileURL);
3537: TtaFreeMemory (fileURL);
3538: }
3539: else
3540: strcpy (file_name, fileName);
3541: fileURL = NULL;
1.347 cvs 3542:
1.340 gully 3543: #ifdef _WINDOWS
1.361 vatton 3544: /* libwww's HTParse function doesn't take into account the drive name;
3545: so we sidestep it */
3546: StrAllocCopy (fileURL, "file:");
3547: StrAllocCat (fileURL, file_name);
1.340 gully 3548: #endif /* _WINDOWS */
3549: #if defined(_UNIX)
1.361 vatton 3550: fileURL = HTParse (file_name, "file:/", PARSE_ALL);
1.340 gully 3551: #endif /* #if defined(_UNIX) */
1.331 gully 3552:
1.361 vatton 3553: me->source = HTAnchor_findAddress (fileURL);
3554: HT_FREE (fileURL);
3555: strcpy (url_name, me->urlName);
3556: me->dest = HTAnchor_findAddress (url_name);
3557: /* we memorize the anchor's parent @ as we use it a number of times
3558: in the following lines */
3559: dest_anc_parent = HTAnchor_parent (me->dest);
3560:
3561: /*
3562: ** Set the Content-Type of the file we are uploading
3563: */
3564: /* we try to use any content-type previosuly associated
3565: with the parent. If it doesn't exist, we try to guess it
3566: from the URL */
3567: /* @@ JK: trying to use the content type we stored */
3568: /*
3569: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
3570: */
3571: tmp2 = NULL;
3572: if (!tmp2 || !strcmp (tmp2, "www/unknown"))
3573: {
3574: HTAtom *tmp_atom;
3575: char *s = NULL;
1.276 kahan 3576:
1.361 vatton 3577: tmp_atom = AHTGuessAtom_for (me->urlName, contentType);
3578: if (tmp_atom)
3579: s = HTAtom_name (tmp_atom);
3580: if (!tmp_atom || (s && !strcmp (s, "www/unknown")))
3581: {
3582: /* ask the user for a MIME type */
3583: }
3584: HTAnchor_setFormat (dest_anc_parent, tmp_atom);
3585: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
3586: }
3587: /* .. and we give the same type to the source anchor */
3588: /* we go thru setOutputFormat, rather than change the parent's
3589: anchor, as that's the place that libwww expects it to be */
3590: HTAnchor_setFormat (HTAnchor_parent (me->source), HTAtom_for (tmp2));
3591:
3592: HTRequest_setOutputFormat (me->request, HTAtom_for (tmp2));
3593:
3594: /*
3595: ** Set the Charset of the file we are uploading
3596: */
3597: /* we set the charset as indicated in the document's metadata
3598: structure (and only if it exists) */
3599: charset = TtaGetDocumentCharset (docid);
3600: if (charset != UNDEFINED_CHARSET)
3601: {
3602: tmp = TtaGetCharsetName (charset);
3603: if (tmp && *tmp != EOS)
3604: {
3605: tmp2 = TtaStrdup (tmp);
3606: HTAnchor_setCharset (dest_anc_parent, HTAtom_for (tmp2));
3607: TtaFreeMemory (tmp2);
3608: tmp2 = HTAtom_name (HTAnchor_charset (dest_anc_parent));
3609: /* .. and we give the same charset to the source anchor */
3610: /* we go thru setCharSet, rather than change the parent's
3611: anchor, as that's the place that libwww expects it to be */
3612: HTAnchor_setCharset (HTAnchor_parent (me->source),
3613: HTAtom_for (tmp2));
3614: }
3615: }
3616:
3617: /*
3618: ** define other request characteristics
3619: */
3620: HTRequest_setPreemptive (me->request, NO);
3621:
3622: /*
3623: ** Make sure that the first request is flushed immediately and not
3624: ** buffered in the output buffer
3625: */
3626: if (mode & AMAYA_FLUSH_REQUEST)
3627: HTRequest_setFlush(me->request, YES);
1.168 cvs 3628:
1.361 vatton 3629: /* Should we use preconditions? */
3630: if (lost_update_check)
3631: {
3632: if (UsePreconditions)
3633: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
1.172 cvs 3634:
1.361 vatton 3635: if (etag)
3636: {
3637: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
3638: }
3639: else
3640: {
3641: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3642: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
3643: HT_FILTER_MIDDLE, YES);
3644: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3645: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
3646: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3647: HT_REAUTH, HT_FILTER_MIDDLE, YES);
3648: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
3649: HT_ALL, HT_FILTER_MIDDLE, YES);
3650: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
3651: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
3652: }
3653: }
3654: else
3655: {
3656: /* don't use preconditions */
3657: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3658: }
1.151 cvs 3659:
1.361 vatton 3660: /* don't use the cache while saving a document */
3661: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 3662:
1.318 kahan 3663: #if 0
1.361 vatton 3664: /* Throw away any reponse body */
3665: /*
3666: HTRequest_setOutputStream (me->request, HTBlackHole());
3667: */
3668: HTRequest_setOutputStream (me->request, NULL);
1.318 kahan 3669: #endif
1.164 cvs 3670:
1.361 vatton 3671: /* prepare the URLname that will be displayed in the status bar */
3672: ChopURL (me->status_urlName, me->urlName);
3673: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING), me->status_urlName);
1.114 cvs 3674:
1.297 kirschpi 3675:
3676: #ifdef DAV
1.361 vatton 3677: /* MKP: for a PUT request, try to add an "If" header (lock information)
3678: * for a HEAD request, leave this for check_handler */
3679: if ( !(lost_update_check && (!UsePreconditions || !etag)) )
3680: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 3681: #endif /* DAV */
1.297 kirschpi 3682:
3683:
1.361 vatton 3684: /* make the request */
3685: if (lost_update_check && (!UsePreconditions || !etag))
3686: status = HTHeadAnchor (me->dest, me->request);
3687: else
3688: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
3689:
3690: if (status == YES && me->reqStatus != HT_ERR)
3691: {
3692: /* part of the stop button handler */
3693: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3694: status = LoopForStop (me);
3695: }
3696: if (!HTRequest_kill (me->request))
3697: AHTReqContext_delete (me);
1.168 cvs 3698:
1.361 vatton 3699: TtaHandlePendingEvents ();
1.90 cvs 3700:
1.361 vatton 3701: return (status == YES ? 0 : -1);
1.28 cvs 3702: }
1.4 cvs 3703:
1.5 cvs 3704: /*----------------------------------------------------------------------
1.138 cvs 3705: StopRequest
1.17 cvs 3706: stops (kills) all active requests associated with a docid
1.5 cvs 3707: ----------------------------------------------------------------------*/
1.4 cvs 3708: void StopRequest (int docid)
3709: {
1.361 vatton 3710: if (Amaya && CanDoStop ())
3711: {
1.139 cvs 3712: #if 0 /* for later */
1.361 vatton 3713: AHTDocId_Status *docid_status;
3714: /* verify if there are any requests at all associated with docid */
3715: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
3716: Amaya->docid_status);
3717: if (docid_status == (AHTDocId_Status *) NULL)
3718: return;
1.139 cvs 3719: #endif /* 0 */
1.138 cvs 3720: /* temporary call to stop all requests, as libwww changed its API */
1.361 vatton 3721: StopAllRequests (docid);
3722: }
1.138 cvs 3723: }
3724:
1.190 cvs 3725: /* @@@ the docid parameter isn't used... clean it up */
1.138 cvs 3726: /*----------------------------------------------------------------------
3727: StopAllRequests
3728: stops (kills) all active requests. We use the docid
3729: ----------------------------------------------------------------------*/
3730: void StopAllRequests (int docid)
3731: {
1.361 vatton 3732: HTList *cur;
3733: AHTReqContext *me;
3734: static ThotBool lock_stop = 0;
3735: ThotBool async_flag;
3736: AHTReqStatus old_reqStatus;
3737:
3738: /* only do the stop if we're not being called while processing a
3739: request, and if we're not already dealing with a stop */
3740: if (Amaya && CanDoStop () && !lock_stop)
3741: {
1.100 cvs 3742: #ifdef DEBUG_LIBWWW
1.361 vatton 3743: fprintf (stderr, "StopRequest: number of Amaya requests "
3744: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 3745: #endif /* DEBUG_LIBWWW */
1.150 cvs 3746: /* enter the critical section */
1.361 vatton 3747: lock_stop = TRUE;
3748: /* set a module global variable so that we can do special
3749: processing easier */
3750: UserAborted_flag = TRUE;
3751: /* abort all outstanding libwww UI dialogues */
3752: CallbackDialogue (BaseDialog + FormAnswer, STRING_DATA, NULL);
3753: CallbackDialogue (BaseDialog + ConfirmForm, INTEGER_DATA, NULL);
3754: /* expire all outstanding timers */
3755: HTTimer_expireAll ();
3756: /* HTNet_killAll (); */
3757: if (Amaya->open_requests)
3758: {
3759: cur = Amaya->reqlist;
3760: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
3761: {
3762: if (AmayaIsAlive ())
3763: {
1.161 cvs 3764: #ifdef DEBUG_LIBWWW
1.361 vatton 3765: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 3766: #endif /* DEBUG_LIBWWW */
1.245 kahan 3767:
1.361 vatton 3768: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
3769: {
3770: if ((me->mode & AMAYA_ASYNC)
3771: || (me->mode & AMAYA_IASYNC))
3772: async_flag = TRUE;
3773: else
3774: async_flag = FALSE;
1.245 kahan 3775:
1.361 vatton 3776: /* change the status to say that the request aborted */
3777: /* if the request was "busy", we just change a flag to say so and
3778: let the handler finish the processing itself */
3779: old_reqStatus = me->reqStatus;
3780: me->reqStatus = HT_ABORT;
3781: if (old_reqStatus == HT_BUSY)
3782: continue;
1.245 kahan 3783:
1.361 vatton 3784: /* kill the request, using the appropriate function */
3785: if (me->request->net)
3786: HTNet_killPipe (me->request->net);
3787: else
3788: {
3789: if (me->terminate_cbf)
3790: (*me->terminate_cbf) (me->docid, -1, me->urlName,
3791: me->outputfile,
3792: NULL,
3793: me->context_tcbf);
1.245 kahan 3794:
1.361 vatton 3795: if (async_flag)
3796: /* explicitly free the request context for async
3797: requests. The sync requests context is freed
3798: by LoopForStop */
3799: AHTReqContext_delete (me);
3800: }
3801: cur = Amaya->reqlist;
3802: }
1.344 vatton 3803: #if defined(_GTK) || defined(_WX) || defined(_NOGUI)
1.142 cvs 3804: #ifdef WWW_XWINDOWS
1.361 vatton 3805: /* to be on the safe side, remove all outstanding
3806: X events */
3807: else
3808: RequestKillAllXtevents (me);
1.142 cvs 3809: #endif /* WWW_XWINDOWS */
1.344 vatton 3810: #endif /* #if defined(_GTK) || defined(_WX) || defined(_NOGUI) */
1.361 vatton 3811: }
3812: }
3813: /* Delete remaining channels */
3814: HTChannel_safeDeleteAll ();
3815: }
3816: /* reset the stop status */
3817: UserAborted_flag = FALSE;
3818: /* exit the critical section */
3819: lock_stop = FALSE;
1.100 cvs 3820: #ifdef DEBUG_LIBWWW
1.361 vatton 3821: fprintf (stderr, "StopRequest: number of Amaya requests "
3822: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 3823: #endif /* DEBUG_LIBWWW */
1.361 vatton 3824: }
1.138 cvs 3825: } /* StopAllRequests */
1.17 cvs 3826:
3827:
1.105 cvs 3828: /*----------------------------------------------------------------------
3829: AmayaIsAlive
1.140 cvs 3830: returns the value of the AmayaAlive_flag
1.105 cvs 3831: ----------------------------------------------------------------------*/
1.191 cvs 3832: ThotBool AmayaIsAlive (void)
1.105 cvs 3833: {
1.140 cvs 3834: return AmayaAlive_flag;
3835: }
3836:
3837: /*----------------------------------------------------------------------
3838: CanDoStop
3839: returns the value of the CanDoStop flag
3840: ----------------------------------------------------------------------*/
1.191 cvs 3841: ThotBool CanDoStop (void)
1.140 cvs 3842: {
3843: return CanDoStop_flag;
3844: }
3845:
3846: /*----------------------------------------------------------------------
3847: CanDoStop_set
3848: sets the value of the CanDoStop flag
3849: ----------------------------------------------------------------------*/
1.191 cvs 3850: void CanDoStop_set (ThotBool value)
1.140 cvs 3851: {
3852: CanDoStop_flag = value;
1.176 cvs 3853: }
3854:
1.265 cvs 3855: /*----------------------------------------------------------------------
3856: ----------------------------------------------------------------------*/
1.176 cvs 3857: void libwww_updateNetworkConf (int status)
3858: {
3859: /* @@@ the docid parameter isn't used... clean it up */
3860: int docid = 1;
3861:
3862: /* first, stop all current requests, as the network
1.361 vatton 3863: may make some changes */
1.176 cvs 3864: StopAllRequests (docid);
1.207 cvs 3865:
3866: if (status & AMAYA_SAFEPUT_RESTART)
3867: {
3868: SafePut_delete ();
3869: SafePut_init ();
3870: }
1.176 cvs 3871:
3872: if (status & AMAYA_PROXY_RESTART)
3873: {
3874: HTProxy_deleteAll ();
3875: ProxyInit ();
3876: }
3877:
3878: if (status & AMAYA_CACHE_RESTART)
3879: {
3880: clear_cachelock ();
3881: HTCacheTerminate ();
3882: HTCacheMode_setEnabled (NO);
3883: CacheInit ();
3884: }
1.193 cvs 3885:
3886: if (status & AMAYA_LANNEG_RESTART)
3887: {
3888: /* clear the current values */
3889: if (acceptLanguages)
1.361 vatton 3890: HTLanguage_deleteAll (acceptLanguages);
1.193 cvs 3891: /* read in the new ones */
3892: acceptLanguages = HTList_new ();
3893: AHTAcceptLanguagesInit (acceptLanguages);
3894: }
1.105 cvs 3895: }
1.246 kahan 3896:
3897: /****************************************************************************
3898: ** The following two functions allow to set and read the value of *
3899: ** the FTPURL_flag. If this flag is true, it means we can browse FTP URLs *
3900: ***************************************************************************/
3901:
3902: /*----------------------------------------------------------------------
3903: AHT_FTPURL_flag_set
3904: ----------------------------------------------------------------------*/
3905: void AHTFTPURL_flag_set (ThotBool value)
3906: {
3907: FTPURL_flag = value;
3908: }
3909:
3910: /*----------------------------------------------------------------------
3911: AHT_FTPURL_flag
3912: ----------------------------------------------------------------------*/
3913: ThotBool AHTFTPURL_flag (void)
3914: {
3915: return (FTPURL_flag);
3916: }
1.308 kahan 3917:
3918:
3919: /*----------------------------------------------------------------------
3920: CheckSingleInstance
3921: Returns TRUE if this is the single instance of Amaya in the system,
3922: FALSE otherwise.
3923: N.B. : This implementation is naif.
3924: ----------------------------------------------------------------------*/
3925: ThotBool CheckSingleInstance (char *pid_dir)
3926: {
1.337 cvs 3927: #ifdef _WINGUI
1.308 kahan 3928: HWND hwnd;
3929:
1.310 cvs 3930: hwnd = FindWindow ("Amaya", NULL);
1.308 kahan 3931:
3932: if (!hwnd)
3933: return TRUE;
3934: else
3935: return FALSE;
3936:
1.337 cvs 3937: #endif /* _WINGUI */
1.308 kahan 3938:
1.338 cvs 3939: #ifdef _WX
3940: /* TODO */
3941: return TRUE;
3942: #endif /* _WX */
3943:
1.344 vatton 3944: #if defined(_GTK) || defined(_NOGUI)
1.308 kahan 3945: int instances;
3946: char *ptr;
3947: pid_t pid;
3948:
3949: DIR *dp;
3950: struct stat st;
3951: #ifdef HAVE_DIRENT_H
3952: struct dirent *d;
3953: #else
3954: struct direct *d;
3955: #endif /* HAVE_DIRENT_H */
3956: char filename[BUFSIZ+1];
3957:
3958: if ((dp = opendir (pid_dir)) == NULL)
3959: {
3960: /* @@@ we couldn't open the directory ... we need some msg */
3961: perror (pid_dir);
3962: return FALSE;
3963: }
3964:
3965: instances = 0;
3966:
3967: while ((d = readdir (dp)) != NULL)
3968: {
3969: /* skip the UNIX . and .. links */
3970: if (!strcmp (d->d_name, "..")
1.361 vatton 3971: || !strcmp (d->d_name, "."))
3972: continue;
1.308 kahan 3973:
3974: sprintf (filename, "%s%c%s", pid_dir, DIR_SEP, d->d_name);
3975: if (lstat (filename, &st) < 0 )
1.361 vatton 3976: {
3977: /* @@2 need some error message */
3978: perror (filename);
3979: continue;
3980: }
1.308 kahan 3981:
3982: switch (st.st_mode & S_IFMT)
1.361 vatton 3983: {
3984: case S_IFDIR:
3985: case S_IFLNK:
3986: /* skip any links and directories that we find */
3987: continue;
3988: break;
3989: default:
3990: /* check if this pid exists. If not, erase it */
3991: ptr = strrchr (filename, DIR_SEP);
3992: if (!ptr)
3993: continue;
3994: sscanf (ptr, DIR_STR"%d", &pid);
3995: if (kill (pid, 0) == -1)
3996: {
3997: /* erase the stale pid file */
3998: TtaFileUnlink (filename);
3999: }
4000: else /* we found one live instance */
4001: {
4002: instances++;
4003: }
4004: break;
4005: }
1.308 kahan 4006: }
4007: closedir (dp);
4008: return (instances == 0);
1.344 vatton 4009: #endif /* #if defined(_GTK) || defined(_NOGUI) */
1.331 gully 4010:
1.308 kahan 4011: }
4012:
4013: /*----------------------------------------------------------------------
4014: FreeAmayaCache
4015: ----------------------------------------------------------------------*/
4016: void FreeAmayaCache (void)
4017: {
1.340 gully 4018: #if defined(_UNIX)
1.308 kahan 4019: char str[MAX_LENGTH];
4020: pid_t pid;
4021:
4022: /* unregister this instance of Amaya */
4023: pid = getpid ();
4024: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
4025: if (TtaFileExist (str))
4026: TtaFileUnlink (str);
1.340 gully 4027: #endif /* #if defined(_UNIX) */
1.308 kahan 4028: }
4029:
4030: /*----------------------------------------------------------------------
4031: InitAmayaCache
4032: Create the temporary sub-directories for storing the HTML and
4033: other downloaded files.
4034: ----------------------------------------------------------------------*/
4035: void InitAmayaCache (void)
4036: {
4037: ThotBool can_erase;
4038: int i;
4039: char str[MAX_LENGTH];
4040: char *ptr;
1.340 gully 4041: #if defined(_UNIX)
1.308 kahan 4042: pid_t pid;
4043: int fd_pid;
1.340 gully 4044: #endif /* #if defined(_UNIX) */
1.308 kahan 4045:
1.340 gully 4046: #if defined(_UNIX)
1.308 kahan 4047: /* create the temp dir for the Amaya pid */
4048: sprintf (str, "%s%cpid", TempFileDirectory, DIR_SEP);
4049: TtaMakeDirectory (str);
1.340 gully 4050: #endif /* #if defined(_UNIX) */
1.308 kahan 4051:
4052: /* protection against dir names that have . in them to avoid
4053: erasing everything by accident */
4054: ptr = TempFileDirectory;
4055: can_erase = TRUE;
1.351 gully 4056: #ifdef _UNIX
1.308 kahan 4057: while (*ptr && can_erase)
4058: {
4059: if (*ptr == '.')
1.361 vatton 4060: {
4061: if (*(ptr + 1) == '.')
4062: can_erase = FALSE;
4063: else
4064: ptr++;
4065: continue;
4066: }
1.308 kahan 4067: else if (*ptr == '~')
1.361 vatton 4068: can_erase = FALSE;
1.351 gully 4069: else if (!isalnum (*ptr) && *ptr != SPACE && *ptr != DIR_SEP && *ptr != ':')
1.361 vatton 4070: can_erase = FALSE;
1.308 kahan 4071: ptr++;
4072: }
1.351 gully 4073: #endif /* _UNIX */
1.308 kahan 4074:
1.333 vatton 4075: /* Detect if it's a unique instance */
4076: AmayaUniqueInstance = CheckSingleInstance (str);
4077: if (can_erase && AmayaUniqueInstance)
1.308 kahan 4078: {
4079: /* Erase the previous directories */
4080: for (i = 0; i < DocumentTableLength; i++)
1.361 vatton 4081: {
4082: sprintf (str, "%s%c%d%c", TempFileDirectory, DIR_SEP, i, DIR_SEP);
4083: RecCleanCache (str);
4084: }
1.308 kahan 4085: }
4086:
4087: /* create the temporary cache directories if they don't exit*/
4088: for (i = 0; i < DocumentTableLength; i++)
4089: {
4090: sprintf (str, "%s%c%d", TempFileDirectory, DIR_SEP, i);
4091: TtaMakeDirectory (str);
4092: }
4093:
1.340 gully 4094: #if defined(_UNIX)
1.308 kahan 4095: /* register this instance of Amaya */
4096: pid = getpid ();
4097: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
4098: fd_pid = open (str, O_CREAT, S_IRUSR | S_IWUSR );
4099: if (fd_pid != -1)
4100: close (fd_pid);
4101: else
4102: printf ("Couldn't create fd_pid %s\n", str);
1.340 gully 4103: #endif /* #if defined(_UNIX) */
1.308 kahan 4104: }
1.325 kahan 4105:
4106: /*-----------------------------------------------------------------------
4107: ClearCacheEntry
4108: Clears the libwww cache entry for the corresponding URL, if it exists.
4109: -----------------------------------------------------------------------*/
4110: void ClearCacheEntry (char *url)
4111: {
4112: HTCache * cache;
4113: HTAnchor * anchor;
4114: HTParentAnchor * panchor;
4115:
4116: if (!url || !*url)
4117: return;
4118:
4119: anchor = HTAnchor_findAddress (url);
4120: panchor = HTAnchor_parent (anchor);
4121: cache = HTCache_find (panchor, NULL);
4122: if (cache)
4123: HTCache_remove (cache);
4124: }
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