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