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