Annotation of Amaya/amaya/query.c, revision 1.290
1.14 cvs 1: /*
2: *
1.265 cvs 3: * (c) COPYRIGHT MIT and INRIA, 1996-2001.
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:
1.185 cvs 20: #ifdef _WINDOWS
21: #include <string.h>
1.130 cvs 22: #endif /* !_WINDOWS */
1.116 cvs 23: #define AMAYA_WWW_CACHE
1.168 cvs 24: #define AMAYA_LOST_UPDATE
1.116 cvs 25:
1.223 cvs 26: #ifdef _WINDOWS
1.265 cvs 27: #define CACHE_DIR_NAME "\\libwww-cache\\"
1.223 cvs 28: #else
1.265 cvs 29: #define CACHE_DIR_NAME "/libwww-cache/"
1.223 cvs 30: #endif
1.198 cvs 31:
1.216 cvs 32: /* libwww default parameters */
1.176 cvs 33: #define DEFAULT_CACHE_SIZE 10
34: #define DEFAULT_MAX_CACHE_ENTRY_SIZE 3
1.177 cvs 35: #define DEFAULT_MAX_SOCKET 32
1.176 cvs 36: #define DEFAULT_DNS_TIMEOUT 1800L
1.151 cvs 37: #define DEFAULT_PERSIST_TIMEOUT 60L
1.165 cvs 38: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.216 cvs 39: /* defines the priority for image content negotiation */
1.280 kahan 40: #define IMAGE_ACCEPT_NEGOTIATION "*/*;q=0.1,image/*,image/gif,image/jpeg,image/png,image/svg+xml"
1.116 cvs 41:
1.12 cvs 42: /* Amaya includes */
1.25 cvs 43: #define THOT_EXPORT extern
1.4 cvs 44: #include "amaya.h"
1.214 cvs 45: #include "init_f.h"
1.130 cvs 46: #include <sys/types.h>
1.70 cvs 47: #include <fcntl.h>
1.140 cvs 48: #include "HTEvtLst.h"
1.157 cvs 49: #include "HTAABrow.h"
1.272 cvs 50: #include "string.h"
1.279 cvs 51: #include "interface.h"
1.7 cvs 52:
1.141 cvs 53: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 54: #define CATCH_SIG
55: #endif
56:
57: /* local structures coming from libwww and which are
1.17 cvs 58: not found in any .h file
1.7 cvs 59: */
1.68 cvs 60:
1.7 cvs 61: struct _HTStream
62: {
1.15 cvs 63: const HTStreamClass *isa;
64: FILE *fp;
1.45 cvs 65: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 66: char *end_command; /* Command to execute */
67: BOOL remove_on_close; /* Remove file? */
68: char *filename; /* Name of file */
69: HTRequest *request; /* saved for callback */
70: HTRequestCallback *callback;
1.7 cvs 71: };
72:
1.15 cvs 73:
1.7 cvs 74: struct _HTError
75: {
76: HTErrorElement element; /* Index number into HTError */
77: HTSeverity severity; /* A la VMS */
78: BOOL ignore; /* YES if msg should not go to user */
79: void *par; /* Explanation, e.g. filename */
80: int length; /* For copying by generic routine */
81: char *where; /* Which function */
82: };
83:
1.4 cvs 84: /* Type definitions and global variables etc. local to this module */
85:
1.17 cvs 86: /*----------------------------------------------------------------------*/
1.4 cvs 87: /*** private variables ***/
1.17 cvs 88:
1.4 cvs 89: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 90: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.193 cvs 91: static HTList *acceptLanguages = NULL; /* List of language priorities for the Accept header */
1.151 cvs 92: static HTList *transfer_encodings = NULL;
93: static HTList *content_encodings = NULL;
1.207 cvs 94: /* List of domains where we can do a safe PUT redirect */
95: static HTList *safeput_list = NULL;
96:
1.16 cvs 97: static int object_counter = 0; /* loaded objects counter */
1.191 cvs 98: static ThotBool AmayaAlive_flag; /* set to 1 if the application is active;
1.140 cvs 99: 0 if we have killed */
1.191 cvs 100: static ThotBool CanDoStop_flag; /* set to 1 if we can do a stop, 0
1.140 cvs 101: if we're inside a critical section */
1.214 cvs 102: static ThotBool UserAborted_flag; /* set to 1 if we're processing a user
103: induced stop request operation */
1.128 cvs 104: #ifdef AMAYA_WWW_CACHE
1.130 cvs 105: static int fd_cachelock; /* open handle to the .lock cache file */
106: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 107:
1.246 kahan 108: static ThotBool FTPURL_flag; /* if set to true, we can browse FTP URLs */
109:
1.248 kahan 110: static FILE *trace_fp = NULL; /* file pointer to the trace logs */
111:
1.15 cvs 112: #include "answer_f.h"
113: #include "query_f.h"
114: #include "AHTURLTools_f.h"
115: #include "AHTBridge_f.h"
116: #include "AHTMemConv_f.h"
117: #include "AHTFWrite_f.h"
1.4 cvs 118:
1.116 cvs 119: /* prototypes */
120:
1.123 cvs 121: #ifdef _WINDOWS
1.70 cvs 122: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 123: #endif /* _WINDOWS */
124:
1.15 cvs 125:
1.130 cvs 126: #ifdef AMAYA_WWW_CACHE
127: /***************************************************************
128: lock functions, used to avoid concurrent use of the cache
129: Mostly based on W. Richard Stevens' APUE book.
130: ***************************************************************/
131: /*----------------------------------------------------------------------
132: set_cachelock
133: sets a write lock on filename.
134: Returns -1 in case of failure, otherwise, it'll open a handle on
135: filename and fd_cachelock will take its value.
136: ----------------------------------------------------------------------*/
1.265 cvs 137: static int set_cachelock (char *filename)
1.130 cvs 138: {
1.188 cvs 139: int status;
1.130 cvs 140: #ifdef _WINDOWS
1.188 cvs 141:
142: status = TtaFileExist (filename);
143: return ((status) ? 0 : -1);
1.130 cvs 144: #else
145: struct flock lock;
146:
147: lock.l_type = F_WRLCK;
148: lock.l_start = 0;
149: lock.l_whence = SEEK_SET;
150: lock.l_len = 0;
151:
152: fd_cachelock = open (filename, O_WRONLY);
153:
154: if (fd_cachelock == -1)
155: status = -1;
156: else
157: status = fcntl(fd_cachelock, F_SETLK, &lock);
158:
159: if (status == -1)
1.190 cvs 160: {
1.179 cvs 161: if (fd_cachelock > 0)
1.190 cvs 162: close (fd_cachelock);
1.179 cvs 163: fd_cachelock = 0;
1.178 cvs 164: }
1.130 cvs 165: return (status);
166: #endif /* _WINDOWS */
167: }
168:
169: /*----------------------------------------------------------------------
170: clear_cachelock
171: remove the write lock set on a filename.
172: It'll close the fd handle on filename and reset *fd to 0.
173: ----------------------------------------------------------------------*/
174: static int clear_cachelock (void)
175: {
176: #ifdef _WINDOWS
177: return 0;
178: #else
179: int status;
180:
1.178 cvs 181: if (!fd_cachelock)
1.130 cvs 182: return (-1);
183:
1.178 cvs 184: status = close (fd_cachelock);
1.130 cvs 185: fd_cachelock = 0;
186:
187: return (status);
188: #endif /* _WINDOWS */
189: }
190:
191: /*----------------------------------------------------------------------
192: test_cachelock
193: returns 0 if a fd is not locked by other process, otherwise
194: returns the pid of the process who has the lock
195: ----------------------------------------------------------------------*/
1.265 cvs 196: static int test_cachelock (char *filename)
1.130 cvs 197: {
198: #ifdef _WINDOWS
1.185 cvs 199: /* if the lock is set, we can't unlink the file under Windows */
1.188 cvs 200: if (!TtaFileUnlink (filename))
201: return 0;
202: else
1.185 cvs 203: return -1;
1.130 cvs 204: #else
205: struct flock lock;
206: int fd, status;
207:
208: lock.l_type = F_WRLCK;
209: lock.l_start = 0;
210: lock.l_whence = SEEK_SET;
211: lock.l_len = 0;
212:
213: fd = open (filename, O_WRONLY);
214:
215: if (fd < 0)
216: return (-1);
217: /* is this file locked ? */
218: status = fcntl (fd, F_GETLK, &lock);
219: close (fd);
220:
221: if (status < 0)
222: return (-1);
223:
224: if (lock.l_type == F_UNLCK)
225: return (0); /* false, region is not locked by another proc */
226: return (lock.l_pid); /* true, return pid of lock owner */
227: #endif /* _WINDOWS */
228: }
229:
230: #endif /* AMAYA_WWW_CACHE */
231:
1.15 cvs 232: /*----------------------------------------------------------------------
1.17 cvs 233: GetDocIdStatus
234: gets the status associated to a docid
1.15 cvs 235: ----------------------------------------------------------------------*/
236: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
237: {
238: AHTDocId_Status *me;
239: HTList *cur;
240:
241: if (documents)
242: {
243: cur = documents;
244:
245: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
246: {
247: if (me->docid == docid)
248: return (me);
1.18 cvs 249: }
250: }
1.15 cvs 251: return (AHTDocId_Status *) NULL;
252:
253: }
254:
1.5 cvs 255: /*----------------------------------------------------------------------
1.27 cvs 256: AHTGuessAtom_for
257: Converts an Amaya type descriptor into the equivalent MIME type.
258: ----------------------------------------------------------------------*/
1.276 kahan 259: static HTAtom *AHTGuessAtom_for (char *urlName, char *contentType)
1.27 cvs 260: {
261: HTAtom *atom;
1.265 cvs 262: char * filename;
1.160 cvs 263: HTEncoding enc = NULL;
264: HTEncoding cte = NULL;
265: HTLanguage lang = NULL;
1.50 cvs 266: double quality = 1.0;
1.27 cvs 267:
1.276 kahan 268: /* we already have a MIME type, we jsut return the atom */
269: if (contentType && *contentType)
270: atom = HTAtom_for (contentType);
271: else
1.27 cvs 272: {
1.276 kahan 273: /* we don't have the MIME type, so
274: we try to use the filename's suffix to infer it */
1.265 cvs 275: filename = AmayaParseUrl (urlName, "",
276: AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
277: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 278: TtaFreeMemory (filename);
1.27 cvs 279: if (atom == WWW_UNKNOWN)
1.276 kahan 280: {
1.27 cvs 281: /*
1.276 kahan 282: ** we could not identify the suffix, so we give it a default type.
283: ** (we should ask the user, but we're not ready for that yet).
1.27 cvs 284: */
285: atom = HTAtom_for ("text/html");
1.276 kahan 286: }
1.27 cvs 287: }
288: return atom;
289: }
290:
291: /*----------------------------------------------------------------------
1.238 cvs 292: HTTP_Headers_set
293: Copies the headers in which the application is interested, doing
294: any in-between conversions as needed.
295: ----------------------------------------------------------------------*/
296: void HTTP_headers_set (HTRequest * request, HTResponse * response, void *context, int status)
297: {
1.267 kahan 298: AHTReqContext *me;
1.283 cvs 299: HTAtom *tmp_atom = NULL;
1.267 kahan 300: char *tmp_char;
1.285 kahan 301: char *tmp_char2;
1.284 kahan 302: char tmp_string[20];
1.267 kahan 303: HTParentAnchor *anchor;
1.287 kahan 304: ThotBool use_anchor;
1.267 kahan 305:
306: me = (AHTReqContext *) HTRequest_context (request);
1.282 kahan 307:
1.267 kahan 308: anchor = HTRequest_anchor (request);
1.238 cvs 309:
1.287 kahan 310: /* if we get a cached answer, we should get all the header information
311: from the anchor, instead of from the response object */
312: tmp_char = HTAnchor_physical (anchor);
313: if (tmp_char && !strncmp (tmp_char, "cache:", sizeof ("cache:") - 1))
314: use_anchor = TRUE;
315: else
316: use_anchor = FALSE;
317:
1.263 kahan 318: /* @@@ JK: we need a function here to specify which headers we
1.238 cvs 319: want to copy */
320:
1.267 kahan 321: /* copy the content_type if we didn't force it before */
322: if (me->http_headers.content_type == NULL)
1.260 kahan 323: {
1.267 kahan 324: /* trying to use the info in the anchor, rather than in the response.
325: Seems it's more recent */
1.282 kahan 326:
327: /* @@ JK: trying to use the content type stored in the response object */
1.287 kahan 328: if (!use_anchor && response)
1.282 kahan 329: tmp_atom = HTResponse_format (response);
330: if (!tmp_atom)
331: tmp_atom = HTAnchor_format (anchor);
1.260 kahan 332:
1.267 kahan 333: if (tmp_atom)
334: tmp_char = HTAtom_name (tmp_atom);
335: else
336: tmp_char = "www/unknown";
337:
338: if (tmp_char && tmp_char[0] != EOS)
1.238 cvs 339: {
1.267 kahan 340: /* libwww gives www/unknown when it gets an error. As this is
341: an HTML test, we force the type to text/html */
342: if (!strcmp (tmp_char, "www/unknown"))
343: {
344: /* if it's not a file downloaded from FTP, initialize the
345: content type to text/html by default */
346: me->http_headers.content_type = NULL;
347: }
348: else
1.284 kahan 349: me->http_headers.content_type = TtaStrdup (tmp_char);
1.267 kahan 350:
1.238 cvs 351: #ifdef DEBUG_LIBWWW
1.267 kahan 352: fprintf (stderr, "Set content type to: %s\n",
353: me->http_headers.content_type);
1.238 cvs 354: #endif /* DEBUG_LIBWWW */
1.267 kahan 355: }
1.238 cvs 356: }
1.267 kahan 357:
1.238 cvs 358: /* copy the charset */
1.267 kahan 359:
360: /* @@ JK I think there was a problem when using info directly from
361: the anchor... but what it was? The response object doesn't have
362: it anyway */
363: tmp_atom = HTAnchor_charset (anchor);
364: #if 0
1.260 kahan 365: if (use_anchor)
366: tmp_atom = HTAnchor_charset (anchor);
367: else
368: tmp_atom = HTResponse_charset (response);
1.267 kahan 369: #endif
370:
1.238 cvs 371: if (tmp_atom)
372: {
1.284 kahan 373: tmp_char = HTAtom_name (tmp_atom);
374: if (tmp_char)
375: me->http_headers.charset = TtaStrdup (tmp_char);
1.238 cvs 376: }
1.256 kahan 377:
1.268 kahan 378: /* copy the content length */
1.284 kahan 379: snprintf (tmp_string, sizeof (tmp_string), "%ld", HTAnchor_length (anchor));
380: me->http_headers.content_length = TtaStrdup (tmp_string);
1.268 kahan 381:
1.256 kahan 382: /* copy the reason */
383: tmp_char = HTResponse_reason (response);
384: if (tmp_char)
1.284 kahan 385: me->http_headers.reason = TtaStrdup (tmp_char);
386:
387: /* copy the content-location */
388: tmp_char = HTAnchor_location (anchor);
1.285 kahan 389: if (tmp_char && *tmp_char)
390: {
391: /* only include the filename. We suppose we have either a
392: relative or an absolute URL and that everything after the last
393: slash is the */
394: if (HTURL_isAbsolute (tmp_char))
395: {
396: tmp_char2 = tmp_char + strlen (tmp_char) -1;
397: while (*tmp_char2 != URL_SEP && tmp_char2 != tmp_char)
398: tmp_char2--;
399: if (tmp_char2 != tmp_char && *(tmp_char2 + 1))
400: tmp_char = tmp_char2 + 1;
401: }
402: me->http_headers.content_location = TtaStrdup (tmp_char);
403: }
1.238 cvs 404: }
405:
406: /*----------------------------------------------------------------------
407: HTTP_headers_delete
408: Deletes all the paramaters that were assigned to the response type
409: ----------------------------------------------------------------------*/
410: static void HTTP_headers_delete (AHTHeaders me)
411: {
412: if (me.content_type)
413: TtaFreeMemory (me.content_type);
414:
415: if (me.charset)
416: TtaFreeMemory (me.charset);
1.268 kahan 417:
418: if (me.content_length)
419: TtaFreeMemory (me.content_length);
1.256 kahan 420:
421: if (me.reason)
422: TtaFreeMemory (me.reason);
1.284 kahan 423:
424: if (me.content_location)
425: TtaFreeMemory (me.content_location);
1.238 cvs 426: }
427:
428: /*----------------------------------------------------------------------
429: HTTP_headers
430: Returns the value of a parameter in the HTTP response structure.
431: Returns null if this structure is empty.
432: ----------------------------------------------------------------------*/
1.265 cvs 433: char *HTTP_headers (AHTHeaders *me, AHTHeaderName param)
1.238 cvs 434: {
1.265 cvs 435: char *result;
1.238 cvs 436:
437: if (!me)
438: return NULL;
439:
440: switch (param)
441: {
442: case AM_HTTP_CONTENT_TYPE:
443: result = me->content_type;
444: break;
445: case AM_HTTP_CHARSET:
446: result = me->charset;
1.268 kahan 447: break;
448: case AM_HTTP_CONTENT_LENGTH:
449: result = me->content_length;
1.238 cvs 450: break;
1.256 kahan 451: case AM_HTTP_REASON:
452: result = me->reason;
1.284 kahan 453: break;
454: case AM_HTTP_CONTENT_LOCATION:
455: result = me->content_location;
1.256 kahan 456: break;
1.238 cvs 457: default:
458: result = NULL;
459: }
460:
461: return result;
462: }
463:
464: /*----------------------------------------------------------------------
1.17 cvs 465: AHTReqContext_new
466: create a new Amaya Context Object and update the global Amaya
467: request status.
1.5 cvs 468: ----------------------------------------------------------------------*/
1.4 cvs 469: static AHTReqContext *AHTReqContext_new (int docid)
470: {
471: AHTReqContext *me;
472: AHTDocId_Status *docid_status;
473:
474: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 475: outofmem (__FILE__, "AHTReqContext_new");
476:
477: /* clear the structure */
478: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 479:
1.81 cvs 480: /* Bind the Context object together with the Request Object */
481: me->request = HTRequest_new ();
482:
1.80 cvs 483: /* clean the associated file structure) */
1.79 cvs 484: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 485:
1.4 cvs 486: /* Initialize the other members of the structure */
1.17 cvs 487: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 488: me->docid = docid;
489: HTRequest_setMethod (me->request, METHOD_GET);
490: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
491: HTRequest_setContext (me->request, me);
1.116 cvs 492:
1.36 cvs 493: /* experimental */
494: me->read_sock = INVSOC;
495: me->write_sock = INVSOC;
496: me->except_sock = INVSOC;
1.4 cvs 497:
498: /* Update the global context */
499: HTList_appendObject (Amaya->reqlist, (void *) me);
500:
501: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
502:
1.7 cvs 503: if (docid_status == NULL)
504: {
1.116 cvs 505: docid_status = (AHTDocId_Status *)
506: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 507: docid_status->docid = docid;
508: docid_status->counter = 1;
509: HTList_addObject (Amaya->docid_status, (void *) docid_status);
510: }
511: else
1.4 cvs 512: docid_status->counter++;
513:
514: Amaya->open_requests++;
515:
1.74 cvs 516: #ifdef DEBUG_LIBWWW
517: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
518: #endif
1.116 cvs 519:
1.4 cvs 520: return me;
521: }
522:
1.5 cvs 523: /*----------------------------------------------------------------------
1.17 cvs 524: AHTReqContext_delete
525: Delete an Amaya Context Object and update the global Amaya request
526: status.
1.5 cvs 527: ----------------------------------------------------------------------*/
1.191 cvs 528: ThotBool AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 529: {
530: AHTDocId_Status *docid_status;
531:
1.7 cvs 532: if (me)
533: {
1.74 cvs 534: #ifdef DEBUG_LIBWWW
1.138 cvs 535: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 536: #endif
1.138 cvs 537: if (Amaya->reqlist)
538: HTList_removeObject (Amaya->reqlist, (void *) me);
539:
540: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
541: if (docid_status)
542: {
543: docid_status->counter--;
544:
545: if (docid_status->counter == 0)
546: {
547: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
548: TtaFreeMemory ((void *) docid_status);
549: }
550: }
1.215 cvs 551:
552: HTNoFreeStream_delete (HTRequest_outputStream (me->request));
553: HTRequest_setOutputStream (me->request, NULL);
1.190 cvs 554: /* JK: no longer needed in libwww 5.2.3
555: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
556: AHTFWriter_FREE (HTRequest_outputStream (me->request));
557: */
1.138 cvs 558: HTRequest_delete (me->request);
559:
560: if (me->output && me->output != stdout)
561: {
1.85 cvs 562: #ifdef DEBUG_LIBWWW
1.138 cvs 563: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
564: "FILE %p\n", me->urlName, me->output);
1.85 cvs 565: #endif
1.138 cvs 566: fclose (me->output);
567: me->output = NULL;
568: }
1.79 cvs 569:
1.138 cvs 570: if (me->error_stream != (char *) NULL)
571: HT_FREE (me->error_stream);
572: #ifndef _WINDOWS
573: #ifdef WWW_XWINDOWS
574: if (me->read_xtinput_id || me->write_xtinput_id ||
575: me->except_xtinput_id)
576: RequestKillAllXtevents(me);
577: #endif /* WWW_XWINDOWS */
578: #endif /* !_WINDOWS */
579:
580: if (me->reqStatus == HT_ABORT)
581: {
582: if (me->outputfile && me->outputfile[0] != EOS)
583: {
1.233 cvs 584: TtaFileUnlink (me->outputfile);
1.138 cvs 585: me->outputfile[0] = EOS;
586: }
587: }
588:
589: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
590: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
591: or in PutObjectWWW */
592: {
593: if (me->urlName)
594: TtaFreeMemory (me->urlName);
595: if (me->outputfile)
596: TtaFreeMemory (me->outputfile);
597: }
1.206 cvs 598:
1.208 cvs 599: /* the real name to which we are publishing */
600: if (me->default_put_name)
601: TtaFreeMemory (me->default_put_name);
602:
1.206 cvs 603: /* @@ temp change for the %esc conversion */
604: if (me->method == METHOD_PUT && me->urlName)
605: TtaFreeMemory (me->urlName);
606:
1.138 cvs 607: if (me->formdata)
608: HTAssocList_delete (me->formdata);
1.238 cvs 609:
610: /* erase the response headers */
611: HTTP_headers_delete (me->http_headers);
1.138 cvs 612:
1.228 cvs 613: #ifdef ANNOTATIONS
614: if (me->document)
615: TtaFreeMemory (me->document);
616: #endif /* ANNOTATIONS */
617:
1.138 cvs 618: /* to trace bugs */
619: memset ((void *) me, 0, sizeof (AHTReqContext));
620:
621: TtaFreeMemory ((void *) me);
622:
623: Amaya->open_requests--;
624:
625: return TRUE;
1.7 cvs 626: }
1.15 cvs 627: return FALSE;
1.4 cvs 628: }
629:
630:
1.15 cvs 631: /*----------------------------------------------------------------------
1.17 cvs 632: Thread_deleteAll
633: this function deletes the whole list of active threads.
1.5 cvs 634: ----------------------------------------------------------------------*/
1.4 cvs 635: static void Thread_deleteAll (void)
636: {
1.21 cvs 637: HTList *cur;
638: AHTReqContext *me;
639: AHTDocId_Status *docid_status;
640:
1.74 cvs 641: if (Amaya && Amaya->reqlist)
642: {
643: if (Amaya->open_requests > 0)
644: #ifdef DEBUG_LIBWWW
645: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
646: "requests\n", Amaya->open_requests);
647: #endif
648: {
649: cur = Amaya->reqlist;
650:
651: /* erase the requests */
652: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
653: {
654: if (me->request)
655: {
1.142 cvs 656: #ifndef _WINDOWS
657: #ifdef WWW_XWINDOWS
1.74 cvs 658: RequestKillAllXtevents (me);
1.142 cvs 659: #endif /* WWW_XWINDOWS */
1.138 cvs 660: #endif /* !_WINDOWS */
1.140 cvs 661: if (!HTRequest_kill (me->request))
662: AHTReqContext_delete (me);
1.74 cvs 663: }
664: } /* while */
665:
666: /* erase the docid_status entities */
667: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
668: TtaFreeMemory ((void *) docid_status);
669:
670: } /* if */
1.84 cvs 671:
1.74 cvs 672: }
1.4 cvs 673: }
1.198 cvs 674:
1.5 cvs 675: /*----------------------------------------------------------------------
1.83 cvs 676: AHTOpen_file
677: ----------------------------------------------------------------------*/
1.85 cvs 678: int AHTOpen_file (HTRequest * request)
1.83 cvs 679: {
680: AHTReqContext *me; /* current request */
681:
682: me = HTRequest_context (request);
1.93 cvs 683: if (!me)
684: return HT_ERROR;
1.83 cvs 685: #ifdef DEBUG_LIBWWW
1.116 cvs 686: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 687: #endif /* DEBUG_LIBWWW */
688: if (me->reqStatus == HT_ABORT)
689: {
690: #ifdef DEBUG_LIBWWW
691: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 692: #endif /* DEBUG_LIBWWW */
1.85 cvs 693: return HT_OK;
694: }
695:
1.136 cvs 696: if (me->method == METHOD_PUT)
697: {
698: me->reqStatus = HT_WAITING;
699: return HT_OK;
700: }
701:
1.85 cvs 702: if (HTRequest_outputStream (me->request))
703: {
704: #ifdef DEBUG_LIBWWW
705: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
706: #endif /* DEBUG_LIBWWW */
707: return HT_OK;
708: }
709:
710: #ifdef DEBUG_LIBWWW
1.265 cvs 711: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
1.85 cvs 712: #endif /* DEBUG_LIBWWW */
713:
1.83 cvs 714: if (!(me->output) &&
715: (me->output != stdout) &&
716: #ifndef _WINDOWS
1.265 cvs 717: (me->output = fopen (me->outputfile, "w")) == NULL)
1.116 cvs 718: #else /* !_WINDOWS */
1.265 cvs 719: (me->output = fopen (me->outputfile, "wb")) == NULL)
720: #endif /* !_WINDOWS */
1.83 cvs 721: {
1.131 cvs 722: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 723: #ifdef DEBUG_LIBWWW
724: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
725: #endif
1.265 cvs 726: TtaSetStatus (me->docid, 1,
727: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
728: me->outputfile);
1.83 cvs 729: me->reqStatus = HT_ERR;
730: return (HT_ERROR);
731: }
732:
733: HTRequest_setOutputStream (me->request,
1.265 cvs 734: AHTFWriter_new (me->request, me->output, YES));
1.83 cvs 735: me->reqStatus = HT_WAITING;
736: return HT_OK;
737: }
738:
739: /*----------------------------------------------------------------------
1.265 cvs 740: SafePut_init
741: Sets up the domains which are authorized to make a redirect on
742: a PUT.
743: ----------------------------------------------------------------------*/
744: static void SafePut_init (void)
745: {
746: char *strptr;
1.266 cvs 747: char *ptr, *ptr2;
748: char *domain;
1.265 cvs 749:
750: /* get the proxy settings from the thot.ini file */
751: strptr = TtaGetEnvString ("SAFE_PUT_REDIRECT");
752: if (strptr && *strptr)
753: {
754: /* Get copy we can mutilate */
1.266 cvs 755: ptr2 = TtaStrdup (strptr);
1.265 cvs 756: /* convert to lowercase */
1.266 cvs 757: ptr = ptr2;
1.265 cvs 758: while (*ptr)
759: {
760: *ptr = tolower (*ptr);
761: ptr++;
762: }
763:
764: /* create the list container */
1.266 cvs 765: safeput_list = HTList_new ();
766:
1.265 cvs 767: /* store the domain list */
1.266 cvs 768: ptr = ptr2;
769: while ((domain = HTNextField (&ptr)) != NULL)
1.265 cvs 770: HTList_addObject (safeput_list, TtaStrdup (domain));
771:
772: TtaFreeMemory (ptr2);
773: }
774: }
775:
776: /*----------------------------------------------------------------------
777: SafePut_delete
778: Deletes the safeput_list variable
779: ----------------------------------------------------------------------*/
780: static void SafePut_delete (void)
781: {
782: HTList *cur = safeput_list;
783: char *domain;
784:
785: if (!safeput_list)
786: return;
787:
788: while ((domain = (char *) HTList_nextObject (cur)))
789: TtaFreeMemory (domain);
790: HTList_delete (safeput_list);
791: safeput_list = NULL;
792: }
793:
794: /*----------------------------------------------------------------------
795: SafePut_query
796: returns true if the domain to which belongs the URL accepts an automatic
797: PUT redirect.
798: ----------------------------------------------------------------------*/
799: static ThotBool SafePut_query (char *url)
800: {
1.266 cvs 801: HTList *cur;
802: char *me;
803: ThotBool found;
804: char tmp[MAX_LENGTH];
1.265 cvs 805:
806: /* extract the domain path of the url and normalize it */
807: /* domain = url; */
808: cur = safeput_list;
809: found = FALSE;
810:
1.266 cvs 811: while ((me = (char *) HTList_nextObject (cur)))
812: {
1.273 cvs 813: strcpy (tmp, me);
1.266 cvs 814: if (strstr (url, tmp))
815: {
816: found = TRUE;
817: break;
818: }
819: }
1.265 cvs 820:
821: return (found);
822: }
823:
824: /*----------------------------------------------------------------------
1.17 cvs 825: redirection_handler
826: this function is registered to handle permanent and temporary
827: redirections.
828: ----------------------------------------------------------------------*/
1.265 cvs 829: static int redirection_handler (HTRequest *request, HTResponse *response,
830: void *param, int status)
1.4 cvs 831: {
1.265 cvs 832: HTAnchor *new_anchor = HTResponse_redirection (response);
833: AHTReqContext *me = HTRequest_context (request);
834: HTMethod method = HTRequest_method (request);
835: char *ref;
836: char *escape_src, *dst;
837: char urlAdr[MAX_LENGTH];
838:
839: if (!me)
840: /* if the redirect doesn't come from Amaya, we call libwww's standard redirect filter */
841: return (HTRedirectFilter (request, response, param, status));
842:
843: if (!new_anchor)
844: {
845: if (PROT_TRACE)
1.235 cvs 846: HTTrace ("Redirection. No destination\n");
1.265 cvs 847: return HT_OK;
848: }
1.4 cvs 849:
850: /*
1.207 cvs 851: ** Only do redirect on GET, HEAD, and authorized domains for PUT
1.265 cvs 852: */
853: if ((me->method == METHOD_PUT && !SafePut_query (me->urlName)) ||
854: (me->method != METHOD_PUT && !HTMethod_isSafe (method)))
855: {
856: /*
857: ** If we got a 303 See Other then change the method to GET.
858: ** Otherwise ask the user whether we should continue.
859: */
860: if (status == HT_SEE_OTHER)
861: {
1.235 cvs 862: if (PROT_TRACE)
1.265 cvs 863: HTTrace("Redirection. Changing method from %s to GET\n", HTMethod_name(method));
864: HTRequest_setMethod(request, METHOD_GET);
865: }
866: else
867: {
868: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
869: if (prompt)
870: {
871: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION, NULL, NULL, NULL) != YES)
872: {
873: /* the user didn't agree on the redirection, so
874: we consider it's an abort */
875: me->reqStatus = HT_ABORT;
876: /* and we return HT_OK so that the terminate_handler
877: will be called */
878: return HT_OK;
879: }
880: }
881: }
882: }
883:
1.4 cvs 884: /*
1.265 cvs 885: ** Start new request with the redirect anchor found in the headers.
886: ** Note that we reuse the same request object which means that we must
887: ** keep this around until the redirected request has terminated. It also
888: ** allows us in an easy way to keep track of the number of redirections
889: ** so that we can detect endless loops.
890: */
891: if (HTRequest_doRetry (request))
892: {
893: /*
894: ** Start request with new credentials
895: */
896: /* only do a redirect using a network protocol understood by Amaya */
1.273 cvs 897: strcpy (urlAdr, new_anchor->parent->address);
1.265 cvs 898: if (IsValidProtocol (urlAdr))
899: {
900: /* if it's a valid URL, we try to normalize it */
901: /* We use the pre-redirection anchor as a base name */
902: /* @@ how to obtain this address here? */
903: dst = urlAdr;
904: escape_src = EscapeURL (me->urlName);
905: if (escape_src)
906: {
907: ref = AmayaParseUrl (dst, escape_src, AMAYA_PARSE_ALL);
908: TtaFreeMemory (escape_src);
909: }
910: else
911: ref = NULL;
912:
913: if (ref)
914: {
915: HTAnchor_setPhysical (HTAnchor_parent (new_anchor), ref);
916: TtaFreeMemory (ref);
917: }
918: else
919: return HT_OK; /* We can't redirect anymore */
920: }
921: else
922: return HT_OK; /* We can't redirect anymore */
923:
924: /* update the current file name */
925: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC) ||
926: (me->method == METHOD_PUT))
927: {
928: TtaFreeMemory (me->urlName);
1.272 cvs 929: me->urlName = TtaStrdup (urlAdr);
1.265 cvs 930: }
931: else
932: {
933: /* it's a SYNC mode, so we should keep the urlName */
934: strncpy (me->urlName, urlAdr, MAX_LENGTH - 1);
935: me->urlName[MAX_LENGTH - 1] = EOS;
936: }
937: ChopURL (me->status_urlName, me->urlName);
1.166 cvs 938:
1.265 cvs 939: /* @@ verify if this is important */
940: /* @@@ new libwww doesn't need this free stream while making
941: a PUT. Is it the case everywhere or just for PUT? */
942: if (me->method != METHOD_PUT &&
943: me->request->orig_output_stream != NULL)
944: {
945: AHTFWriter_FREE (me->request->orig_output_stream);
946: me->request->orig_output_stream = NULL;
947: if (me->output != stdout)
948: {
949: /* Are we writing to a file? */
1.257 kahan 950: #ifdef DEBUG_LIBWWW
1.265 cvs 951: fprintf (stderr, "redirection_handler: New URL is %s, closing FILE %p\n", me->urlName, me->output);
1.257 kahan 952: #endif
1.265 cvs 953: fclose (me->output);
954: me->output = NULL;
955: }
956: }
957:
958: /* tell the user what we're doing */
959: TtaSetStatus (me->docid, 1,
960: TtaGetMessage (AMAYA, AM_RED_FETCHING), me->status_urlName);
961: /*
962: ** launch the request
963: */
964: /* add a link relationship? */
965: /* reset the request status */
966: me->reqStatus = HT_NEW;
967: /* clear the errors */
968: HTError_deleteAll (HTRequest_error (request));
969: HTRequest_setError (request, NULL);
970: /* clear the authentication credentials, as they get regenerated */
971: HTRequest_deleteCredentialsAll (request);
972:
973: if (me->method == METHOD_POST || me->method == METHOD_PUT)
1.285 kahan 974: {
975: /* PUT, POST etc. */
976: /* for PUT, we memorize there was a redirection, so that we
977: can clear the original cache entry in the terminate_handler */
978: if (me->method == METHOD_PUT)
979: me->put_redirection = TRUE;
980: status = HTLoadAbsolute (me->urlName, request);
981: }
1.265 cvs 982: else
983: HTLoadAnchor (new_anchor, request);
984: }
985: else
986: {
987: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT, NULL, 0, "HTRedirectFilter");
988: /* so that we can show the error message */
989: if (me->error_html)
990: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
991: me->reqStatus = HT_ERR;
992: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT), NULL);
993: }
994:
1.4 cvs 995: /*
1.74 cvs 996: ** By returning HT_ERROR we make sure that this is the last handler to be
997: ** called. We do this as we don't want any other filter to delete the
998: ** request object now when we have just started a new one ourselves
999: */
1.4 cvs 1000: return HT_ERROR;
1001: }
1002:
1.151 cvs 1003: #ifdef AMAYA_LOST_UPDATE
1004: /*----------------------------------------------------------------------
1005: precondition_handler
1006: 412 "Precondition failed" handler
1007: ----------------------------------------------------------------------*/
1.265 cvs 1008: static int precondition_handler (HTRequest *request, HTResponse *response,
1009: void *context, int status)
1.151 cvs 1010: {
1.168 cvs 1011: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1012: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 1013: ThotBool force_put;
1.151 cvs 1014:
1015: if (!me)
1016: return HT_OK; /* not an Amaya request */
1017:
1.168 cvs 1018: if (prompt)
1019: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_RULES,
1020: NULL, NULL, NULL);
1021: else
1022: force_put = NO;
1023:
1024: if (force_put)
1025: {
1026: /* start a new PUT request without preconditions */
1027: /* @@ do we need to kill the request? */
1028: if (me->output && me->output != stdout)
1029: {
1030: fclose (me->output);
1031: me->output = NULL;
1032: }
1033: /*
1034: ** reset the Amaya and libwww request status
1035: */
1.176 cvs 1036:
1037: /* start with a new, clean request structure */
1038: HTRequest_delete (me->request);
1039: me->request = HTRequest_new ();
1040: /* clean the associated file structure) */
1041: HTRequest_setOutputStream (me->request, NULL);
1042: /* Initialize the other members of the structure */
1.171 cvs 1043: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1044: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1045: HTRequest_setContext (me->request, me);
1046: HTRequest_setPreemptive (me->request, NO);
1047: /*
1048: ** Make sure that the first request is flushed immediately and not
1049: ** buffered in the output buffer
1050: */
1051: if (me->mode & AMAYA_FLUSH_REQUEST)
1052: HTRequest_setFlush(me->request, YES);
1053:
1.171 cvs 1054: /* turn off preconditions */
1055: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1056: me->reqStatus = HT_NEW;
1057: /* make the request */
1.176 cvs 1058: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1059: me->dest, me->request);
1.168 cvs 1060: /* stop here */
1061: return HT_ERROR;
1062: }
1063: else
1064: {
1065: /* abort the request */
1066: /* @@ should we call StopRequest here? */
1067: me->reqStatus = HT_ABORT;
1068: /* stop here */
1069: return HT_ERROR;
1070: }
1071: }
1.151 cvs 1072:
1.168 cvs 1073: /*----------------------------------------------------------------------
1074: check_handler
1075: Request HEAD checker filter
1076: ----------------------------------------------------------------------*/
1077: static int check_handler (HTRequest * request, HTResponse * response,
1.151 cvs 1078: void * param, int status)
1079: {
1.168 cvs 1080: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1081: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 1082: ThotBool force_put;
1.168 cvs 1083:
1084: if (!me)
1085: return HT_OK; /* not an Amaya request */
1086:
1087: HTRequest_deleteAfter(me->request, check_handler);
1088: /*
1089: ** If head request showed that the document doesn't exist
1090: ** then just go ahead and PUT it. Otherwise ask for help
1091: */
1092: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
1093: {
1094: /* we'd need to call terminate_handler, to free the resources */
1095: /* abort the request */
1096: /* @@ should we call StopRequest here? */
1097: me->reqStatus = HT_ABORT;
1098: /* stop here */
1099: return HT_ERROR;
1100: }
1101: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
1102: {
1103: /* we'd need to call terminate_handler, to free the resources */
1104: /* abort the request */
1105: /* @@ should we call StopRequest here? */
1106: me->reqStatus = HT_ABORT;
1107: /* stop here */
1108: return HT_ERROR;
1109: }
1110: else if ( (abs(status)/100) != 2)
1111: {
1.176 cvs 1112: /* start with a new, clean request structure */
1113: HTRequest_delete (me->request);
1114: me->request = HTRequest_new ();
1.208 cvs 1115: /* add the default PUT name */
1116: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1117: /* clean the associated file structure) */
1118: HTRequest_setOutputStream (me->request, NULL);
1119: /* Initialize the other members of the structure */
1.171 cvs 1120: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1121: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1122: HTRequest_setContext (me->request, me);
1123: HTRequest_setPreemptive (me->request, NO);
1124: /*
1125: ** Make sure that the first request is flushed immediately and not
1126: ** buffered in the output buffer
1127: */
1128: if (me->mode & AMAYA_FLUSH_REQUEST)
1129: HTRequest_setFlush(me->request, YES);
1130:
1131: /* turn on the special preconditions, to avoid having this
1132: ressource appear before we do the PUT */
1.168 cvs 1133: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 1134: me->reqStatus = HT_NEW;
1.168 cvs 1135: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1136: return HT_ERROR; /* stop here */
1.176 cvs 1137: }
1.168 cvs 1138: else
1139: {
1140: if (prompt)
1141: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE,
1142: NULL, NULL, NULL);
1143: else
1144: force_put = FALSE;
1145:
1146: if (force_put)
1.151 cvs 1147: {
1148: /* Start a new PUT request without preconditions */
1.176 cvs 1149:
1150: /* get a new, clean request structure */
1151: HTRequest_delete (me->request);
1152: me->request = HTRequest_new ();
1.208 cvs 1153: /* add the default PUT name */
1154: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1155: /* clean the associated file structure) */
1156: HTRequest_setOutputStream (me->request, NULL);
1157: /* Initialize the other members of the structure */
1.171 cvs 1158: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1159: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1160: HTRequest_setContext (me->request, me);
1161: HTRequest_setPreemptive (me->request, NO);
1162: /*
1163: ** Make sure that the first request is flushed immediately and not
1164: ** buffered in the output buffer
1165: */
1166: if (me->mode & AMAYA_FLUSH_REQUEST)
1167: HTRequest_setFlush(me->request, YES);
1168: /* remove the preconditions */
1.168 cvs 1169: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1.171 cvs 1170: me->reqStatus = HT_NEW;
1.176 cvs 1171: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1172: me->dest, me->request);
1.168 cvs 1173: return HT_ERROR; /* stop here */
1.151 cvs 1174: }
1.168 cvs 1175: else
1176: {
1177: /* we'd need to call terminate_handler, to free the resources */
1178: /* abort the request */
1179: /* @@ should we call StopRequest here? */
1180: me->reqStatus = HT_ABORT;
1181: /* stop here */
1182: return HT_ERROR;
1183: }
1184: }
1185: return HT_ERROR;
1.151 cvs 1186: }
1187: #endif /* AMAYA_LOST_UPDATE */
1188:
1.5 cvs 1189: /*----------------------------------------------------------------------
1.17 cvs 1190: terminate_handler
1191: this function is registered to handle the result of the request
1.5 cvs 1192: ----------------------------------------------------------------------*/
1.265 cvs 1193: static int terminate_handler (HTRequest *request, HTResponse *response,
1194: void *context, int status)
1.4 cvs 1195: {
1.116 cvs 1196: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.191 cvs 1197: ThotBool error_flag;
1.116 cvs 1198:
1199: if (!me)
1.214 cvs 1200: return HT_ERROR; /* not an Amaya request */
1.116 cvs 1201:
1202: if (me->reqStatus == HT_END)
1203: /* we have already processed this request! */
1204: return HT_OK;
1205:
1206: /* if Amaya was killed, treat with this request as if it were
1207: issued by a Stop button event */
1208:
1209: if (!AmayaIsAlive ())
1.80 cvs 1210: me->reqStatus = HT_ABORT;
1.220 cvs 1211:
1212: /* trying to protect against this problem... hard to place
1213: the detection elsewhere :-/ */
1.240 cvs 1214: /* @@ JK: Is this still needed? */
1.220 cvs 1215: if (IsHTTP09Error (request))
1216: status = -1;
1217:
1.238 cvs 1218: if (status == HT_LOADED
1219: || status == HT_CREATED
1220: || status == HT_NO_DATA
1.249 kahan 1221: /* JK: removed it as the kludge doesn't seem useful anymore */
1.160 cvs 1222: /* kludge for work around libwww problem */
1.249 kahan 1223: /* || (status == HT_INTERRUPTED && me->method == METHOD_PUT) */
1.116 cvs 1224: #ifdef AMAYA_WWW_CACHE
1225: /* what status to use to know we're downloading from a cache? */
1.238 cvs 1226: || status == HT_NOT_MODIFIED
1227: || status == HT_PARTIAL_CONTENT
1.116 cvs 1228: #endif /* AMAYA_WWW_CACHE */
1.238 cvs 1229: || me->reqStatus == HT_ABORT)
1.74 cvs 1230: error_flag = FALSE;
1.256 kahan 1231: else
1.74 cvs 1232: error_flag = TRUE;
1.130 cvs 1233:
1.285 kahan 1234: /* If we did a PUT that was redirected, clean the original
1235: cache entry */
1236: if (status == 204 && me->method == METHOD_PUT && me->put_redirection)
1237: {
1238: HTCache * cache;
1239: HTParentAnchor * anchor = HTAnchor_parent (me->dest);
1240: cache = HTCache_find (anchor, NULL);
1241: if (cache)
1242: {
1243: /* what a problem... we update the cache with the wrong data
1244: from the response... after the redirection */
1245: HTCache_resetMeta (cache, request, response);
1246: }
1247: else
1248: /* If entry doesn't already exist then create a new entry */
1249: HTCache_touch(request, response, HTAnchor_parent (me->dest));
1250: }
1251:
1.4 cvs 1252: /* output any errors from the server */
1.130 cvs 1253:
1.77 cvs 1254: /*
1.74 cvs 1255: ** me->output = output file which will receive an html file
1256: ** me->error_html = yes, output HTML errors in the screen
1257: ** request->error_stack == if there are any errors, they will be here
1258: ** me->error_stream_size If it's != 0 means an error message has already
1259: ** been written to the stack
1260: */
1261:
1.4 cvs 1262: /* First, we verify if there are any errors and if they are not
1.17 cvs 1263: ** yet written to the error stack. If no, then let's try to write them
1264: ** ourselves
1265: */
1.74 cvs 1266:
1267: #ifdef DEBUG_LIBWWW
1268: fprintf (stderr, "terminate_handler: URL is "
1269: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1270: status);
1.69 cvs 1271: #endif
1.74 cvs 1272:
1.69 cvs 1273: if (me->output && me->output != stdout)
1274: {
1.214 cvs 1275: /* we are writing to a local file */
1.74 cvs 1276: if (me->reqStatus != HT_ABORT)
1277: { /* if the request was not aborted and */
1.80 cvs 1278: if (error_flag &&
1279: me->error_html == TRUE)
1280: /* there were some errors and we want to print them */
1281: {
1282: if (me->error_stream_size == 0)/* and the stream is empty */
1.210 cvs 1283: {
1284: /* if the transfer was interrupted, the file may not be
1285: empty. So, we erase it */
1286: fflush (me->output);
1287: rewind (me->output);
1288: AHTError_MemPrint (request); /* copy errors from
1289: **the error stack
1290: ** into the error stream */
1291: }
1.80 cvs 1292: if (me->error_stream)
1293: { /* if the stream is non-empty */
1294: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 1295: /* Clear the error context, so that we can deal with
1296: this answer as if it were a normal reply */
1297: HTError_deleteAll( HTRequest_error (request));
1298: HTRequest_setError (request, NULL);
1299: error_flag = 0;
1.74 cvs 1300: }
1301: } /* if error_stack */
1.85 cvs 1302: }
1303:
1304: /* if != HT_ABORT */
1305:
1306: #ifdef DEBUG_LIBWWW
1307: fprintf (stderr, "terminate_handler: URL is %s, closing "
1308: "FILE %p\n", me->urlName, me->output);
1309: #endif
1.74 cvs 1310: fclose (me->output);
1311: me->output = NULL;
1.69 cvs 1312: }
1.80 cvs 1313:
1.214 cvs 1314: /* a very special handling so that we can put a message box
1315: to tell the user WHAT he has just done... */
1316: if (UserAborted_flag && me->method == METHOD_PUT)
1317: {
1318: HTRequest_addError (request, ERR_FATAL, NO, HTERR_INTERRUPTED,
1319: "Operation aborted by user", 0, NULL);
1320: }
1321:
1.80 cvs 1322: if (error_flag)
1323: me->reqStatus = HT_ERR;
1.214 cvs 1324: else
1325: if (me->reqStatus != HT_ABORT)
1326: me->reqStatus = HT_END;
1.154 cvs 1327:
1.238 cvs 1328: /* copy the headers in which the application is interested */
1329: HTTP_headers_set (request, response, context, status);
1.114 cvs 1330:
1.115 cvs 1331: /* to avoid a hangup while downloading css files */
1.140 cvs 1332: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1.265 cvs 1333: TtaSetStatus (me->docid, 1,
1334: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1335: me->status_urlName);
1.116 cvs 1336:
1337: /* don't remove or Xt will hang up during the PUT */
1338: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1339: (me->method == METHOD_PUT)))
1.7 cvs 1340: {
1.80 cvs 1341: PrintTerminateStatus (me, status);
1342: }
1.114 cvs 1343:
1.111 cvs 1344: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1345:
1.151 cvs 1346: /* stop here */
1.150 cvs 1347: return HT_ERROR;
1.4 cvs 1348: }
1349:
1.5 cvs 1350: /*----------------------------------------------------------------------
1.17 cvs 1351: AHTLoadTerminate_handler
1.74 cvs 1352: this is an application "AFTER" Callback. It's called by the library
1353: when a request has ended, so that we can setup the correct status.
1.5 cvs 1354: ----------------------------------------------------------------------*/
1.265 cvs 1355: int AHTLoadTerminate_handler (HTRequest *request, HTResponse *response,
1356: void *param, int status)
1.4 cvs 1357: {
1.116 cvs 1358: /** @@@@ use this with printstatus ?? */
1.4 cvs 1359: AHTReqContext *me = HTRequest_context (request);
1360: HTAlertCallback *cbf;
1361: AHTDocId_Status *docid_status;
1362:
1.7 cvs 1363: switch (status)
1.116 cvs 1364: {
1365: case HT_LOADED:
1366: if (PROT_TRACE)
1367: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1368: me->status_urlName);
1.4 cvs 1369:
1.116 cvs 1370: docid_status = GetDocIdStatus (me->docid,
1371: Amaya->docid_status);
1.7 cvs 1372:
1.116 cvs 1373: if (docid_status != NULL && docid_status->counter > 1)
1374: TtaSetStatus (me->docid, 1,
1375: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.233 cvs 1376: me->status_urlName);
1.7 cvs 1377: break;
1.116 cvs 1378:
1379: case HT_NO_DATA:
1380: if (PROT_TRACE)
1381: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1382: me->status_urlName);
1383: TtaSetStatus (me->docid, 1,
1384: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.233 cvs 1385: me->status_urlName);
1.116 cvs 1386: break;
1387:
1388: case HT_INTERRUPTED:
1389: if (PROT_TRACE)
1390: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1391: me->status_urlName);
1392: TtaSetStatus (me->docid, 1,
1393: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1394: NULL);
1395: break;
1.7 cvs 1396:
1.116 cvs 1397: case HT_RETRY:
1398: if (PROT_TRACE)
1399: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1400: HTResponse_retryTime (response));
1401: TtaSetStatus (me->docid, 1,
1402: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.233 cvs 1403: me->status_urlName);
1.116 cvs 1404: break;
1.7 cvs 1405:
1.247 kahan 1406: case HT_NOT_MODIFIED:
1407: if (PROT_TRACE)
1.265 cvs 1408: HTTrace ("Load End.... NOT MODIFIED (%s)",
1409: me->status_urlName ? me->status_urlName :" <UNKNOWN>");
1.247 kahan 1410: break;
1411:
1.116 cvs 1412: case HT_ERROR:
1413: cbf = HTAlert_find (HT_A_MESSAGE);
1414: if (cbf)
1415: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1416: HTRequest_error (request), NULL);
1.247 kahan 1417: if (PROT_TRACE)
1.265 cvs 1418: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1419: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1420: TtaSetStatus (me->docid, 1,
1421: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1422: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.116 cvs 1423: break;
1.247 kahan 1424:
1425: case HTERR_TIMEOUT:
1426: cbf = HTAlert_find (HT_A_MESSAGE);
1427: if (cbf)
1428: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1429: HTRequest_error (request), NULL);
1.116 cvs 1430: if (PROT_TRACE)
1.265 cvs 1431: HTTrace ("Load End.... REQUEST TIMEOUT: Can't access `%s\'\n",
1432: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1433: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1434: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.116 cvs 1435: break;
1.247 kahan 1436:
1.116 cvs 1437: default:
1438: if (PROT_TRACE)
1439: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1440: break;
1441: }
1442:
1443: return HT_OK;
1444: }
1.7 cvs 1445:
1.248 kahan 1446: /*----------------------------------------------------------------------
1447: LineTrace
1448: Makes a file copy of libwww's traces
1449: ----------------------------------------------------------------------*/
1.116 cvs 1450: static int LineTrace (const char * fmt, va_list pArgs)
1451: {
1.248 kahan 1452: vfprintf (trace_fp, fmt, pArgs);
1453: return (fflush (trace_fp));
1.4 cvs 1454: }
1455:
1.27 cvs 1456: /*----------------------------------------------------------------------
1457: AHTAcceptTypesInit
1.74 cvs 1458: This function prepares the Accept header used by Amaya during
1459: the HTTP content negotiation phase
1.27 cvs 1460: ----------------------------------------------------------------------*/
1461: static void AHTAcceptTypesInit (HTList *c)
1462: {
1.223 cvs 1463: if (c == (HTList *) NULL)
1.27 cvs 1464: return;
1465:
1.223 cvs 1466: /* define here all the mime types that Amaya can accept */
1.27 cvs 1467:
1.223 cvs 1468: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1469: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1470: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1471: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1472: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.183 cvs 1473:
1.27 cvs 1474: /* Define here the equivalences between MIME types and file extensions for
1.223 cvs 1475: the types that Amaya can display */
1.27 cvs 1476:
1.176 cvs 1477: /* Initialize suffix bindings for local files */
1478: HTBind_init();
1479:
1.27 cvs 1480: /* Register the default set of file suffix bindings */
1481: HTFileInit ();
1482:
1.257 kahan 1483: /* Register additional bindings */
1.276 kahan 1484: HTBind_add("htm", "text/html", NULL, "8bit", NULL, 1.0);
1.257 kahan 1485: HTBind_add("tgz", "application/gnutar", NULL, "binary", NULL, 1.0);
1.281 kahan 1486: HTBind_add("mml", "application/mathml+xml", NULL, "8bit", NULL, 1.0);
1.280 kahan 1487: HTBind_add("svg", "image/svg+xml", NULL, "8bit", NULL, 1.0);
1.260 kahan 1488: HTBind_add("xsl", "text/xml", NULL, "8bit", NULL, 1.0);
1.27 cvs 1489: /* Don't do any case distinction */
1490: HTBind_caseSensitive (FALSE);
1491: }
1.4 cvs 1492:
1.5 cvs 1493: /*----------------------------------------------------------------------
1.193 cvs 1494: AHTAcceptLanguagesInit
1495: This function prepares the Accept header used by Amaya during
1496: the HTTP content negotiation phase
1497: ----------------------------------------------------------------------*/
1.196 cvs 1498: static void AHTAcceptLanguagesInit (HTList *c)
1.193 cvs 1499: {
1.265 cvs 1500: char *ptr;
1501: char *lang_list;
1.223 cvs 1502: char s[3];
1.196 cvs 1503: int count, lg;
1504: double quality;
1505: ThotBool still;
1.193 cvs 1506:
1507: if (c == (HTList *) NULL)
1.265 cvs 1508: return;
1.193 cvs 1509:
1.203 cvs 1510: lang_list = TtaGetEnvString ("ACCEPT_LANGUAGES");
1.197 cvs 1511: s[2] = EOS;
1.272 cvs 1512: if (lang_list && *lang_list != EOS)
1.193 cvs 1513: {
1514: /* add the default language first */
1515: HTLanguage_add (c, "*", -1.0);
1516: /* how many languages do we have? */
1.196 cvs 1517: ptr = lang_list;
1518: count = 0;
1.272 cvs 1519: while (*ptr != EOS)
1.265 cvs 1520: {
1.272 cvs 1521: while (*ptr != EOS &&
1.265 cvs 1522: (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1523: /* skip the whole separator */
1524: ptr++;
1525: lg = 0;
1526: while ((*ptr >= 'A' &&
1527: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-')
1528: {
1529: /* it's a new language */
1530: ptr++;
1531: lg++;
1532: }
1533: if (lg >= 2)
1534: count++;
1.272 cvs 1535: if (*ptr != EOS)
1.265 cvs 1536: ptr++;
1537: }
1.193 cvs 1538:
1.196 cvs 1539: if (count > 0)
1.265 cvs 1540: quality = 1.1 - (double) count/10.0;
1.193 cvs 1541: else
1.265 cvs 1542: quality = 1.0;
1.193 cvs 1543:
1.265 cvs 1544: /* Read the languages from the registry, then inject them one, by one.
1545: The first one is the one with the highest priority.
1546: The libwww ask for the lowest priority first.
1.196 cvs 1547: */
1548: ptr--;
1549: still = TRUE;
1.265 cvs 1550: while (count)
1551: {
1552: while (still && (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1553: /* skip the whole separator */
1554: if (ptr > lang_list)
1555: ptr--;
1556: else
1557: still = FALSE;
1558: lg = 0;
1559: while (still &&
1560: ((*ptr >= 'A' &&
1561: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-'))
1562: {
1563: /* it's a new language */
1564: if (ptr > lang_list)
1565: ptr--;
1566: else
1567: still = FALSE;
1568: lg++;
1569: }
1570: if (lg >= 2)
1571: {
1572: if (still)
1573: strncpy (s, &ptr[1], 2);
1574: else
1575: strncpy (s, lang_list, 2);
1576: count--;
1577: HTLanguage_add (c, s, quality);
1578: quality += 0.1;
1579: }
1580: ptr--;
1581: }
1582: }
1.193 cvs 1583: }
1584:
1585: /*----------------------------------------------------------------------
1.17 cvs 1586: AHTConverterInit
1587: Bindings between a source media type and a destination media type
1588: (conversion).
1.5 cvs 1589: ----------------------------------------------------------------------*/
1.15 cvs 1590: static void AHTConverterInit (HTList *c)
1.4 cvs 1591: {
1592: /* Handler for custom http error messages */
1.7 cvs 1593: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 1594:
1595: /*
1596: ** These are converters that converts to something other than www/present,
1597: ** that is not directly outputting someting to the user on the screen
1598: */
1599:
1.223 cvs 1600: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
1601: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
1602: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader, 1.0, 0.0, 0.0);
1603: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue, 1.0, 0.0, 0.0);
1604: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial, 1.0, 0.0, 0.0);
1605: HTConversion_add (c, "multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
1606: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
1.4 cvs 1607:
1608: /*
1.116 cvs 1609: ** The following conversions are converting ASCII output from various
1610: ** protocols to HTML objects.
1611: */
1.223 cvs 1612: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
1.4 cvs 1613:
1614: /*
1.116 cvs 1615: ** We also register a special content type guess stream that can figure out
1616: ** the content type by reading the first bytes of the stream
1617: */
1.223 cvs 1618: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
1.4 cvs 1619:
1.116 cvs 1620: #ifdef AMAYA_WWW_CACHE
1.4 cvs 1621: /*
1.116 cvs 1622: ** Register a persistent cache stream which can save an object to local
1623: ** file
1624: */
1.223 cvs 1625: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter, 1.0, 0.0, 0.0);
1626: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend, 1.0, 0.0, 0.0);
1.116 cvs 1627: #endif AMAYA_WWW_CACHE
1.4 cvs 1628:
1629: /*
1.116 cvs 1630: ** This dumps all other formats to local disk without any further
1631: ** action taken
1632: */
1.223 cvs 1633: HTConversion_add (c, "*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
1.4 cvs 1634: }
1635:
1.27 cvs 1636:
1.15 cvs 1637: /*----------------------------------------------------------------------
1.17 cvs 1638: AHTProtocolInit
1639: Registers all amaya supported protocols.
1.15 cvs 1640: ----------------------------------------------------------------------*/
1.4 cvs 1641: static void AHTProtocolInit (void)
1642: {
1.265 cvs 1643: char *strptr;
1.4 cvs 1644:
1.116 cvs 1645: /*
1646: NB. Preemptive == YES means Blocking requests
1647: Non-preemptive == NO means Non-blocking requests
1648: */
1649: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1650: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1651: HTBufferWriter_new);
1652: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.136 cvs 1653: #ifdef _WINDOWS
1654: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1655: #else
1.116 cvs 1656: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.198 cvs 1657: #endif /* _WINDOWS */
1.116 cvs 1658: #ifdef AMAYA_WWW_CACHE
1659: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1660: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1661: #if 0 /* experimental code */
1.245 kahan 1662: #endif
1.116 cvs 1663: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.245 kahan 1664:
1.116 cvs 1665:
1666: /* initialize pipelining */
1.223 cvs 1667: strptr = TtaGetEnvString ("ENABLE_PIPELINING");
1.265 cvs 1668: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.116 cvs 1669: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1670: }
1671:
1.15 cvs 1672: /*----------------------------------------------------------------------
1.17 cvs 1673: AHTNetInit
1674: Reegisters "before" and "after" request filters.
1.15 cvs 1675: ----------------------------------------------------------------------*/
1.4 cvs 1676: static void AHTNetInit (void)
1677: {
1678:
1679: /* Register BEFORE filters
1.74 cvs 1680: ** The BEFORE filters handle proxies, caches, rule files etc.
1681: ** The filters are called in the order by which the are registered
1682: ** Not done automaticly - may be done by application!
1683: */
1.4 cvs 1684:
1.116 cvs 1685: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1686: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1687: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1688:
1689: /* register AFTER filters
1.74 cvs 1690: ** The AFTER filters handle error messages, logging, redirection,
1691: ** authentication etc.
1692: ** The filters are called in the order by which the are registered
1693: ** Not done automaticly - may be done by application!
1694: */
1.4 cvs 1695:
1.223 cvs 1696: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1697: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1698: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1699: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND, HT_FILTER_MIDDLE);
1700: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER, HT_FILTER_MIDDLE);
1701: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1702: HTNet_addAfter (HTAuthInfoFilter, "http://*", NULL, HT_ALL, HT_FILTER_MIDDLE);
1703: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.151 cvs 1704: #ifdef AMAYA_LOST_UPDATE
1.223 cvs 1705: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED, HT_FILTER_MIDDLE);
1.151 cvs 1706: #endif /* AMAYA_LOST_UPDATE */
1.111 cvs 1707: #ifndef _WINDOWS
1.223 cvs 1708: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.111 cvs 1709: #endif /* !_WINDOWS */
1.116 cvs 1710: /**** for later ?? ****/
1711: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.245 kahan 1712: /* @@ JK: Filters for doing ftp authentication */
1713: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1714: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1.51 cvs 1715: /* handles all errors */
1.116 cvs 1716: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1717: }
1718:
1.15 cvs 1719: /*----------------------------------------------------------------------
1.17 cvs 1720: AHTAlertInit
1721: Register alert messages and their callbacks.
1.15 cvs 1722: ----------------------------------------------------------------------*/
1723: static void AHTAlertInit (void)
1724: {
1725: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.120 cvs 1726: #ifdef __WINDOWS
1.70 cvs 1727: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1728: #endif /* _WINDOWS */
1.15 cvs 1729: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1730: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1731: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1732: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1733: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1734: }
1735:
1.118 cvs 1736: #ifdef AMAYA_WWW_CACHE
1737: /*----------------------------------------------------------------------
1.128 cvs 1738: RecCleanCache
1.118 cvs 1739: Clears an existing cache directory
1740: ----------------------------------------------------------------------*/
1.265 cvs 1741: static void RecCleanCache (char *dirname)
1742: {
1.128 cvs 1743: #ifdef _WINDOWS
1.223 cvs 1744: HANDLE hFindFile;
1745: ThotBool status;
1.128 cvs 1746: WIN32_FIND_DATA ffd;
1.290 ! vatton 1747: char t_dir [MAX_LENGTH];
! 1748: char *ptr;
1.128 cvs 1749:
1.130 cvs 1750: /* create a t_dir name to start searching for files */
1.265 cvs 1751: if ((strlen (dirname) + 10) > MAX_LENGTH)
1.128 cvs 1752: /* ERROR: directory name is too big */
1753: return;
1754:
1.265 cvs 1755: strcpy (t_dir, dirname);
1.130 cvs 1756: /* save the end of the dirname. We'll use it to make
1757: a complete pathname when erasing files */
1.265 cvs 1758: ptr = &t_dir[strlen (t_dir)];
1759: strcat (t_dir, "*");
1.128 cvs 1760:
1.130 cvs 1761: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1762:
1763: if (hFindFile == INVALID_HANDLE_VALUE)
1764: /* nothing to erase? */
1765: return;
1766:
1767: status = TRUE;
1.130 cvs 1768: while (status)
1769: {
1770: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.133 cvs 1771: {
1772: /* it's a directory, erase it recursively */
1.265 cvs 1773: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
1.133 cvs 1774: {
1.265 cvs 1775: strcpy (ptr, ffd.cFileName);
1.272 cvs 1776: strcat (ptr, DIR_STR);
1.133 cvs 1777: RecCleanCache (t_dir);
1.274 cvs 1778: rmdir (t_dir);
1.133 cvs 1779: }
1780: }
1781: else
1.130 cvs 1782: {
1.133 cvs 1783: /* it's a file, erase it */
1.265 cvs 1784: strcpy (ptr, ffd.cFileName);
1.133 cvs 1785: TtaFileUnlink (t_dir);
1.130 cvs 1786: }
1787: status = FindNextFile (hFindFile, &ffd);
1788: }
1.128 cvs 1789: FindClose (hFindFile);
1790:
1791: #else /* _WINDOWS */
1.118 cvs 1792: DIR *dp;
1793: struct stat st;
1794: #ifdef HAVE_DIRENT_H
1795: struct dirent *d;
1796: #else
1797: struct direct *d;
1798: #endif /* HAVE_DIRENT_H */
1.128 cvs 1799: char filename[BUFSIZ+1];
1.118 cvs 1800:
1801: if ((dp = opendir (dirname)) == NULL)
1802: {
1803: /* @@@ we couldn't open the directory ... we need some msg */
1804: perror (dirname);
1.176 cvs 1805: return;
1.118 cvs 1806: }
1807:
1808: while ((d = readdir (dp)) != NULL)
1809: {
1810: /* skip the UNIX . and .. links */
1811: if (!strcmp (d->d_name, "..")
1812: || !strcmp (d->d_name, "."))
1813: continue;
1814:
1.188 cvs 1815: sprintf (filename, "%s%c%s", dirname, DIR_SEP, d->d_name);
1.118 cvs 1816: if (lstat (filename, &st) < 0 )
1817: {
1818: /* @@2 need some error message */
1819: perror (filename);
1820: continue;
1821: }
1822:
1823: switch (st.st_mode & S_IFMT)
1824: {
1825: case S_IFDIR:
1826: /* if we find a directory, we erase it, recursively */
1.128 cvs 1827: strcat (filename, DIR_STR);
1828: RecCleanCache (filename);
1829: rmdir (filename);
1.118 cvs 1830: break;
1831: case S_IFLNK:
1832: /* skip any links we find */
1833: continue;
1834: break;
1835: default:
1836: /* erase the filename */
1837: TtaFileUnlink (filename);
1838: break;
1839: }
1840: }
1841: closedir (dp);
1.265 cvs 1842: #endif /* _WINDOWS */
1.118 cvs 1843: }
1844: #endif /* AMAYA_WWW_CACHE */
1845:
1.116 cvs 1846: /*----------------------------------------------------------------------
1.265 cvs 1847: libwww_CleanCache
1848: frontend to the recursive cache cleaning function
1849: ----------------------------------------------------------------------*/
1850: void libwww_CleanCache (void)
1851: {
1852: #ifdef AMAYA_WWW_CACHE
1853: char * real_dir;
1854: char* cache_dir;
1855: char* tmp;
1856: int cache_size;
1857: int cache_expire;
1858: int cache_disconnect;
1859: ThotBool error;
1860: char * ptr;
1861:
1862: if (!HTCacheMode_enabled ())
1863: /* don't do anything if we're not using a cache */
1864: return;
1865: /* temporarily close down the cache, purge it, then restart */
1866: tmp = HTCacheMode_getRoot ();
1867: /* don't do anything if we don't have a valid cache dir */
1868: if (!tmp || *tmp == EOS)
1869: return;
1870: cache_dir = TtaStrdup (tmp);
1871: HT_FREE (tmp);
1872: cache_size = HTCacheMode_maxSize ();
1873: cache_expire = HTCacheMode_expires ();
1874: cache_disconnect = HTCacheMode_disconnected ();
1875:
1876: /* get something we can work on :) */
1877: tmp = HTWWWToLocal (cache_dir, "file:", NULL);
1878: real_dir = TtaGetMemory (strlen (tmp) + 20);
1.273 cvs 1879: strcpy (real_dir, tmp);
1.265 cvs 1880: HT_FREE (tmp);
1881:
1882: /* safeguard... abort the operation if cache_dir doesn't end with
1883: CACHE_DIR_NAME */
1884: error = TRUE;
1885: ptr = strstr (real_dir, CACHE_DIR_NAME);
1886: if (ptr && *ptr && !strcasecmp (ptr, CACHE_DIR_NAME))
1887: error = FALSE;
1888: if (error)
1889: return;
1890:
1891: /* remove the concurrent cache lock */
1892: #ifdef DEBUG_LIBWWW
1893: fprintf (stderr, "Clearing the cache lock\n");
1894: #endif /* DEBUG_LIBWWW */
1895: clear_cachelock ();
1896: HTCacheTerminate ();
1897: HTCacheMode_setEnabled (FALSE);
1898:
1899: RecCleanCache (real_dir);
1900:
1901: HTCacheMode_setExpires (cache_expire);
1902: HTCacheMode_setDisconnected (cache_disconnect);
1903: HTCacheInit (cache_dir, cache_size);
1904: /* set a new concurrent cache lock */
1905: strcat (real_dir, ".lock");
1906: if (set_cachelock (real_dir) == -1)
1907: /* couldn't open the .lock file, so, we close the cache to
1908: be in the safe side */
1909: {
1910: #ifdef DEBUG_LIBWWW
1911: fprintf (stderr, "couldnt set the cache lock\n");
1912: #endif /* DEBUG_LIBWWW */
1913: HTCacheTerminate ();
1914: HTCacheMode_setEnabled (FALSE);
1915: }
1916: #ifdef DEBUG_LIBWWW
1917: fprintf (stderr, "set a cache lock\n");
1918: #endif /* DEBUG_LIBWWW */
1919: TtaFreeMemory (real_dir);
1920: TtaFreeMemory (cache_dir);
1921: #endif /* AMAYA_WWW_CACHE */
1922: }
1923:
1924: /*----------------------------------------------------------------------
1.116 cvs 1925: CacheInit
1926: Reads the cache settings from the thot.ini file.
1927: ----------------------------------------------------------------------*/
1928: static void CacheInit (void)
1929: {
1930: #ifndef AMAYA_WWW_CACHE
1931: HTCacheMode_setEnabled (NO);
1932:
1933: #else /* AMAYA_WWW_CACHE */
1.265 cvs 1934: char *strptr;
1935: char *real_dir = NULL;
1936: char *cache_lockfile;
1937: char *cache_dir = NULL;
1.223 cvs 1938: int cache_size;
1939: int cache_entry_size;
1940: ThotBool cache_enabled;
1941: ThotBool cache_locked;
1942: ThotBool tmp_bool;
1.130 cvs 1943:
1.185 cvs 1944: int i;
1945:
1.116 cvs 1946: /* activate cache? */
1.203 cvs 1947: strptr = TtaGetEnvString ("ENABLE_CACHE");
1.265 cvs 1948: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.130 cvs 1949: cache_enabled = NO;
1.116 cvs 1950: else
1.130 cvs 1951: cache_enabled = YES;
1.116 cvs 1952:
1.151 cvs 1953: /* cache protected documents? */
1.203 cvs 1954: strptr = TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1.265 cvs 1955: if (strptr && *strptr && !strcasecmp (strptr, "yes"))
1.151 cvs 1956: HTCacheMode_setProtected (YES);
1957: else
1958: HTCacheMode_setProtected (NO);
1959:
1.116 cvs 1960: /* get the cache dir (or use a default one) */
1.203 cvs 1961: strptr = TtaGetEnvString ("CACHE_DIR");
1.116 cvs 1962: if (strptr && *strptr)
1963: {
1.265 cvs 1964: real_dir = TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 20);
1965: strcpy (real_dir, strptr);
1.272 cvs 1966: if (*(real_dir + strlen (real_dir) - 1) != DIR_SEP)
1967: strcat (real_dir, DIR_STR);
1.116 cvs 1968: }
1969: else
1970: {
1.265 cvs 1971: real_dir = TtaGetMemory (strlen (TempFileDirectory) + strlen (CACHE_DIR_NAME) + 20);
1.272 cvs 1972: sprintf (real_dir, "%s%s", TempFileDirectory, CACHE_DIR_NAME);
1.185 cvs 1973: }
1974:
1975: /* compatiblity with previous versions of Amaya: does real_dir
1976: include CACHE_DIR_NAME? If not, add it */
1.265 cvs 1977: strptr = strstr (real_dir, CACHE_DIR_NAME);
1.185 cvs 1978: if (!strptr)
1.265 cvs 1979: strcat (real_dir, CACHE_DIR_NAME);
1.185 cvs 1980: else
1981: {
1.265 cvs 1982: i = strlen (CACHE_DIR_NAME);
1.272 cvs 1983: if (strptr[i] != EOS)
1.265 cvs 1984: strcat (real_dir, CACHE_DIR_NAME);
1.116 cvs 1985: }
1.185 cvs 1986:
1.211 cvs 1987: /* convert the local cache dir into a file URL, as expected by
1988: libwww */
1.265 cvs 1989: cache_dir = HTLocalToWWW (real_dir, "file:");
1.116 cvs 1990: /* get the cache size (or use a default one) */
1.203 cvs 1991: strptr = TtaGetEnvString ("CACHE_SIZE");
1.116 cvs 1992: if (strptr && *strptr)
1.288 vatton 1993: cache_size = atoi (strptr);
1.116 cvs 1994: else
1995: cache_size = DEFAULT_CACHE_SIZE;
1.176 cvs 1996: /* get the max cached file size (or use a default one) */
1.223 cvs 1997: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1.176 cvs 1998: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1.130 cvs 1999: if (cache_enabled)
1.116 cvs 2000: {
2001: /* how to remove the lock? force remove it? */
1.265 cvs 2002: cache_lockfile = TtaGetMemory (strlen (real_dir) + 20);
2003: strcpy (cache_lockfile, real_dir);
2004: strcat (cache_lockfile, ".lock");
1.130 cvs 2005: cache_locked = FALSE;
1.223 cvs 2006: if (TtaFileExist (cache_lockfile) && !(cache_locked = test_cachelock (cache_lockfile)))
1.116 cvs 2007: {
1.130 cvs 2008: #ifdef DEBUG_LIBWWW
2009: fprintf (stderr, "found a stale cache, removing it\n");
2010: #endif /* DEBUG_LIBWWW */
2011: /* remove the lock and clean the cache (the clean cache
2012: will remove all, making the following call unnecessary */
2013: /* little trick to win some memory */
1.265 cvs 2014: strptr = strrchr (cache_lockfile, '.');
1.272 cvs 2015: *strptr = EOS;
1.130 cvs 2016: RecCleanCache (cache_lockfile);
1.265 cvs 2017: *strptr = '.';
1.116 cvs 2018: }
2019:
1.130 cvs 2020: if (!cache_locked)
2021: {
2022: /* initialize the cache if there's no other amaya
2023: instance running */
1.177 cvs 2024: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
1.223 cvs 2025: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool) && tmp_bool)
1.177 cvs 2026: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
2027: else
2028: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1.223 cvs 2029: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
1.177 cvs 2030: if (tmp_bool)
2031: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
2032: else
2033: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
1.211 cvs 2034: if (HTCacheInit (cache_dir, cache_size))
1.130 cvs 2035: {
1.188 cvs 2036: if (set_cachelock (cache_lockfile) == -1)
2037: /* couldn't open the .lock file, so, we close the cache to
2038: be in the safe side */
2039: {
2040: HTCacheTerminate ();
2041: HTCacheMode_setEnabled (FALSE);
2042: #ifdef DEBUG_LIBWWW
2043: fprintf (stderr, "couldnt set the cache lock\n");
2044: #endif /* DEBUG_LIBWWW */
2045: }
1.130 cvs 2046: #ifdef DEBUG_LIBWWW
1.188 cvs 2047: else
2048: fprintf (stderr, "created the cache lock\n");
1.130 cvs 2049: #endif /* DEBUG_LIBWWW */
2050: }
1.188 cvs 2051: else
2052: {
1.130 cvs 2053: #ifdef DEBUG_LIBWWW
1.188 cvs 2054: fprintf (stderr, "couldn't create the cache\n");
2055: #endif /* DEBUG_LIBWWW */
2056: HTCacheTerminate ();
2057: }
1.130 cvs 2058: }
2059: else
2060: {
1.185 cvs 2061: HTCacheMode_setEnabled (FALSE);
1.130 cvs 2062: #ifdef DEBUG_LIBWWW
2063: fprintf (stderr, "lock detected, starting libwww without a cache/n");
2064: #endif /* DEBUG_LIBWWW */
2065: }
2066: TtaFreeMemory (cache_lockfile);
1.116 cvs 2067: }
2068: else
1.185 cvs 2069: {
2070: HTCacheMode_setEnabled (FALSE);
2071: }
1.116 cvs 2072: if (cache_dir)
1.211 cvs 2073: HT_FREE (cache_dir);
1.189 cvs 2074: if (real_dir)
2075: TtaFreeMemory (real_dir);
1.185 cvs 2076: /* warn the user if the cache isn't active */
2077: if (cache_enabled && !HTCacheMode_enabled ())
1.265 cvs 2078: InitInfo ("Cache", TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE));
1.116 cvs 2079: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 2080: }
2081:
2082: /*----------------------------------------------------------------------
1.97 cvs 2083: ProxyInit
2084: Reads any proxies settings which may be declared as environmental
2085: variables or in the thot.ini file. The former overrides the latter.
2086: ----------------------------------------------------------------------*/
2087: static void ProxyInit (void)
2088: {
1.265 cvs 2089: char *strptr;
2090: char *name;
2091: char *tmp = NULL;
2092: char *strptrA;
1.223 cvs 2093: ThotBool proxy_is_onlyproxy;
1.97 cvs 2094:
2095: /* get the proxy settings from the thot.ini file */
1.203 cvs 2096: strptr = TtaGetEnvString ("HTTP_PROXY");
1.228 cvs 2097: if (strptr && *strptr)
2098: {
1.265 cvs 2099: tmp = (char *) TtaGetMemory (strlen (strptr) + 1);
2100: strcpy (tmp, strptr);
1.223 cvs 2101:
1.228 cvs 2102: /* does the proxy env string has an "http://" prefix? */
1.265 cvs 2103: if (!strncasecmp (strptr, "http://", 7))
1.223 cvs 2104: HTProxy_add ("http", tmp);
1.228 cvs 2105: else
2106: {
1.265 cvs 2107: strptrA = (char *) TtaGetMemory (strlen (strptr) + 9);
1.228 cvs 2108: strcpy (strptrA, "http://");
2109: strcat (strptrA, tmp);
2110: HTProxy_add ("http", strptrA);
2111: TtaFreeMemory (strptrA);
2112: }
2113: TtaFreeMemory (tmp);
2114: }
1.216 cvs 2115:
1.97 cvs 2116: /* get the no_proxy settings from the thot.ini file */
1.212 cvs 2117: strptr = TtaGetEnvString ("PROXYDOMAIN");
1.228 cvs 2118: if (strptr && *strptr)
2119: {
1.265 cvs 2120: strptrA = (char *) TtaGetMemory (strlen (strptr) + 1);
2121: tmp = strptrA;
2122: strcpy (tmp, strptr);
1.228 cvs 2123: /* as HTNextField changes the ptr we pass as an argument, we'll
1.265 cvs 2124: work with another variable, so that we can free the tmp
1.228 cvs 2125: block later on */
2126: while ((name = HTNextField (&tmp)) != NULL)
2127: {
2128: char* portstr = strchr (name, ':');
2129: unsigned port=0;
1.265 cvs 2130: if (portstr)
2131: {
2132: *portstr++ = EOS;
2133: if (*portstr)
2134: port = (unsigned) atoi (portstr);
2135: }
1.228 cvs 2136: /* Register it for all access methods */
2137: HTNoProxy_add (name, NULL, port);
2138: }
2139: TtaFreeMemory (strptrA);
2140: }
2141:
1.212 cvs 2142: /* how should we interpret the proxy domain list? */
2143: TtaGetEnvBoolean ("PROXYDOMAIN_IS_ONLYPROXY", &proxy_is_onlyproxy);
2144: HTProxy_setNoProxyIsOnlyProxy (proxy_is_onlyproxy);
2145:
2146: /* use libwww's routine to get all proxy settings from the environment */
1.97 cvs 2147: HTProxy_getEnvVar ();
2148: }
2149:
1.207 cvs 2150: /*----------------------------------------------------------------------
1.17 cvs 2151: AHTProfile_newAmaya
2152: creates the Amaya client profile for libwww.
1.15 cvs 2153: ----------------------------------------------------------------------*/
1.265 cvs 2154: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1.4 cvs 2155: {
1.265 cvs 2156: char *strptr;
1.158 cvs 2157:
1.4 cvs 2158: /* If the Library is not already initialized then do it */
1.257 kahan 2159: if (!HTLib_isInitialized ())
1.273 cvs 2160: HTLibInit (AppName, AppVersion);
1.4 cvs 2161:
2162: if (!converters)
2163: converters = HTList_new ();
1.27 cvs 2164: if (!acceptTypes)
2165: acceptTypes = HTList_new ();
1.193 cvs 2166: if (!acceptLanguages)
2167: acceptLanguages = HTList_new ();
1.151 cvs 2168: if (!transfer_encodings)
2169: transfer_encodings = HTList_new ();
2170: if (!content_encodings)
2171: content_encodings = HTList_new ();
1.4 cvs 2172:
1.169 cvs 2173: /* inhibits libwww's automatic file_suffix_binding */
2174: HTFile_doFileSuffixBinding (FALSE);
2175:
1.4 cvs 2176: /* Register the default set of transport protocols */
2177: HTTransportInit ();
2178:
2179: /* Register the default set of application protocol modules */
2180: AHTProtocolInit ();
2181:
1.116 cvs 2182: /* Register the default set of messages and dialog functions */
2183: AHTAlertInit ();
2184: HTAlert_setInteractive (YES);
2185:
2186: #ifdef AMAYA_WWW_CACHE
2187: /* Enable the persistent cache */
2188: CacheInit ();
2189: #else
2190: HTCacheMode_setEnabled (NO);
2191: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 2192:
2193: /* Register the default set of BEFORE and AFTER filters */
2194: AHTNetInit ();
2195:
2196: /* Set up the default set of Authentication schemes */
1.223 cvs 2197: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL, HTBasic_delete);
1.158 cvs 2198: /* activate MDA by defaul */
1.203 cvs 2199: strptr = TtaGetEnvString ("ENABLE_MDA");
1.265 cvs 2200: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no")))
1.223 cvs 2201: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse, HTDigest_updateInfo, HTDigest_delete);
1.257 kahan 2202:
1.97 cvs 2203: /* Get any proxy settings */
2204: ProxyInit ();
1.4 cvs 2205:
1.207 cvs 2206: /* Set up the domains where we accept a redirect on PUT */
2207: SafePut_init ();
2208:
1.4 cvs 2209: /* Register the default set of converters */
2210: AHTConverterInit (converters);
1.151 cvs 2211: HTFormat_setConversion (converters);
1.27 cvs 2212: AHTAcceptTypesInit (acceptTypes);
1.193 cvs 2213: AHTAcceptLanguagesInit (acceptLanguages);
1.4 cvs 2214:
2215: /* Register the default set of transfer encoders and decoders */
1.151 cvs 2216: HTTransferEncoderInit (transfer_encodings);
1.190 cvs 2217: HTFormat_setTransferCoding (transfer_encodings);
2218: /* Register the default set of content encoders and decoders */
2219: HTContentEncoderInit (content_encodings);
2220: /* ignore all other encoding formats (or libwww will send them
1.181 cvs 2221: thru a blackhole otherwise */
2222: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
1.151 cvs 2223: if (HTList_count(content_encodings) > 0)
2224: HTFormat_setContentCoding(content_encodings);
2225: else
2226: {
2227: HTList_delete(content_encodings);
2228: content_encodings = NULL;
2229: }
1.4 cvs 2230:
2231: /* Register the default set of MIME header parsers */
1.74 cvs 2232: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 2233:
2234: /* Register the default set of Icons for directory listings */
1.27 cvs 2235: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 2236: }
2237:
1.5 cvs 2238: /*----------------------------------------------------------------------
1.17 cvs 2239: AHTProfile_delete
2240: deletes the Amaya client profile.
1.5 cvs 2241: ----------------------------------------------------------------------*/
1.4 cvs 2242: static void AHTProfile_delete (void)
2243: {
1.22 cvs 2244: /* free the Amaya global context */
1.151 cvs 2245: /* Clean up all the registred converters */
2246: HTFormat_deleteAll ();
2247: if (acceptTypes)
1.74 cvs 2248: HTConversion_deleteAll (acceptTypes);
1.193 cvs 2249: if (acceptLanguages)
2250: HTLanguage_deleteAll (acceptLanguages);
1.151 cvs 2251:
1.209 cvs 2252: StopAllRequests (1);
1.74 cvs 2253: HTList_delete (Amaya->docid_status);
2254: HTList_delete (Amaya->reqlist);
2255: TtaFreeMemory (Amaya);
1.61 cvs 2256:
1.120 cvs 2257: #ifdef _WINDOWS
1.209 cvs 2258: if (HTLib_isInitialized ())
1.151 cvs 2259: HTEventTerminate ();
1.198 cvs 2260: #endif /* _WINDOWS; */
1.74 cvs 2261:
1.151 cvs 2262: /* Clean up the persistent cache (if any) */
1.116 cvs 2263: #ifdef AMAYA_WWW_CACHE
1.151 cvs 2264: clear_cachelock ();
2265: HTCacheTerminate ();
1.116 cvs 2266: #endif /* AMAYA_WWW_CACHE */
1.217 cvs 2267:
1.218 cvs 2268: /* call remove functions that are not called automatically by libwww */
2269: HTNetCall_deleteBeforeAll (HTNet_before ());
2270: HTNetCall_deleteAfterAll (HTNet_after ());
2271: HTAA_deleteAllModules ();
2272: HTAlertCall_deleteAll (HTAlert_global () );
2273: HTAlert_setGlobal ((HTList *) NULL);
1.259 cvs 2274: HTTimer_deleteAll ();
1.249 kahan 2275: HTEventList_unregisterAll ();
1.218 cvs 2276: /* these two functions are broken, so we can't call them right now
2277: HTHeader_deleteAll ();
2278: HTTimer_deleteAll ();
2279: */
2280: HTTransport_deleteAll ();
1.217 cvs 2281: /* remove bindings between suffixes, media types*/
2282: HTBind_deleteAll ();
1.151 cvs 2283: /* Terminate libwww */
2284: HTLibTerminate ();
1.4 cvs 2285: }
2286:
1.5 cvs 2287: /*----------------------------------------------------------------------
1.116 cvs 2288: AmayacontextInit
2289: initializes an internal Amaya context for our libwww interface
2290: ----------------------------------------------------------------------*/
1.265 cvs 2291: static void AmayaContextInit ()
1.116 cvs 2292: {
1.140 cvs 2293: AmayaAlive_flag = TRUE;
1.116 cvs 2294: /* Initialization of the global context */
2295: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
2296: Amaya->reqlist = HTList_new ();
2297: Amaya->docid_status = HTList_new ();
2298: Amaya->open_requests = 0;
2299: }
2300:
2301: /*----------------------------------------------------------------------
1.17 cvs 2302: QueryInit
2303: initializes the libwww interface
1.5 cvs 2304: ----------------------------------------------------------------------*/
1.265 cvs 2305: void QueryInit ()
1.4 cvs 2306: {
1.265 cvs 2307: char *strptr;
2308: int tmp_i;
2309: long tmp_l;
1.4 cvs 2310:
1.116 cvs 2311: AmayaContextInit ();
1.4 cvs 2312: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.140 cvs 2313: CanDoStop_set (TRUE);
1.214 cvs 2314: UserAborted_flag = FALSE;
1.4 cvs 2315:
1.116 cvs 2316: #ifdef _WINDOWS
1.125 cvs 2317: HTEventInit ();
1.116 cvs 2318: #endif /* _WINDOWS */
1.72 cvs 2319:
1.123 cvs 2320: #ifndef _WINDOWS
1.116 cvs 2321: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
2322: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.120 cvs 2323: HTTimer_registerSetTimerCallback ((void *) AMAYA_SetTimer);
2324: HTTimer_registerDeleteTimerCallback ((void *) AMAYA_DeleteTimer);
1.116 cvs 2325: #endif /* !_WINDOWS */
1.190 cvs 2326:
1.213 cvs 2327: #ifdef HTDEBUG
1.247 kahan 2328: /* an undocumented option for being able to generate an HTTP protocol
2329: trace. The flag can take values from 1-10, which are interpreted as
2330: different kinds of debug traces. Value 99 means a complete trace.
2331: 0 or other values means No Debug.1 No Debug (default), up to Full debug, respectively. */
1.238 cvs 2332: if (TtaGetEnvInt ("ENABLE_LIBWWW_DEBUG", &tmp_i))
1.247 kahan 2333: {
2334: switch (tmp_i)
2335: {
2336: case 1:
2337: WWW_TraceFlag = SHOW_URI_TRACE;
2338: break;
2339: case 2:
2340: WWW_TraceFlag = SHOW_BIND_TRACE;
2341: break;
2342: case 3:
2343: WWW_TraceFlag = SHOW_THREAD_TRACE;
2344: break;
2345: case 4:
2346: WWW_TraceFlag = SHOW_STREAM_TRACE;
2347: break;
2348: case 5:
2349: WWW_TraceFlag = SHOW_PROTOCOL_TRACE;
2350: break;
2351: case 6:
2352: WWW_TraceFlag = SHOW_MEM_TRACE;
2353: break;
2354: case 7:
2355: WWW_TraceFlag = SHOW_URI_TRACE;
2356: break;
2357: case 8:
2358: WWW_TraceFlag = SHOW_AUTH_TRACE;
2359: break;
2360: case 9:
2361: WWW_TraceFlag = SHOW_ANCHOR_TRACE;
2362: break;
2363: case 10 :
2364: WWW_TraceFlag = SHOW_CORE_TRACE;
2365: break;
1.251 kahan 2366: case 11 :
2367: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_ANCHOR_TRACE | SHOW_AUTH_TRACE | SHOW_URI_TRACE | SHOW_THREAD_TRACE | SHOW_STREAM_TRACE;
2368: break;
1.247 kahan 2369: case 99 :
2370: WWW_TraceFlag = SHOW_ALL_TRACE;
2371: break;
2372: default:
2373: WWW_TraceFlag = 0;
2374: break;
2375: }
1.248 kahan 2376: if (WWW_TraceFlag)
2377: {
2378: /* Trace activation (for debugging) */
1.265 cvs 2379: char *s, *tmp;
1.248 kahan 2380: s = TtaGetEnvString ("APP_TMPDIR");
1.265 cvs 2381: tmp = TtaGetMemory (strlen (s) + sizeof ("/libwww.log") + 1);
2382: strcpy (tmp, s);
2383: strcat (tmp, "/libwww.log");
2384: trace_fp = fopen (tmp, "ab");
1.248 kahan 2385: TtaFreeMemory (tmp);
2386: if (trace_fp)
2387: HTTrace_setCallback(LineTrace);
2388: }
1.247 kahan 2389: }
1.208 cvs 2390: else
2391: WWW_TraceFlag = 0;
1.213 cvs 2392: #endif /* HTDEBUG */
1.208 cvs 2393:
1.74 cvs 2394: #ifdef DEBUG_LIBWWW
1.116 cvs 2395: /* forwards error messages to our own function */
2396: WWW_TraceFlag = THD_TRACE;
1.138 cvs 2397: HTTrace_setCallback(LineTrace);
1.248 kahan 2398:
1.148 cvs 2399: /***
1.138 cvs 2400: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
2401: ***/
1.152 cvs 2402: #endif
1.247 kahan 2403:
2404: TtaGetEnvBoolean ("ENABLE_FTP", &FTPURL_flag);
1.152 cvs 2405:
1.148 cvs 2406: /* Setting up different network parameters */
1.151 cvs 2407:
1.148 cvs 2408: /* Maximum number of simultaneous open sockets */
1.203 cvs 2409: strptr = TtaGetEnvString ("MAX_SOCKET");
1.151 cvs 2410: if (strptr && *strptr)
1.288 vatton 2411: tmp_i = atoi (strptr);
1.151 cvs 2412: else
2413: tmp_i = DEFAULT_MAX_SOCKET;
2414: HTNet_setMaxSocket (tmp_i);
2415:
1.148 cvs 2416: /* different network services timeouts */
1.151 cvs 2417: /* dns timeout */
1.203 cvs 2418: strptr = TtaGetEnvString ("DNS_TIMEOUT");
1.151 cvs 2419: if (strptr && *strptr)
1.288 vatton 2420: tmp_i = atoi (strptr);
1.151 cvs 2421: else
2422: tmp_i = DEFAULT_DNS_TIMEOUT;
2423: HTDNS_setTimeout (tmp_i);
2424:
2425: /* persistent connections timeout */
1.203 cvs 2426: strptr = TtaGetEnvString ("PERSIST_CX_TIMEOUT");
1.151 cvs 2427: if (strptr && *strptr)
1.288 vatton 2428: tmp_l = atol (strptr);
1.151 cvs 2429: else
2430: tmp_l = DEFAULT_PERSIST_TIMEOUT;
2431: HTHost_setPersistTimeout (tmp_l);
2432:
1.148 cvs 2433: /* default timeout in ms */
1.203 cvs 2434: strptr = TtaGetEnvString ("NET_EVENT_TIMEOUT");
1.151 cvs 2435: if (strptr && *strptr)
1.288 vatton 2436: tmp_i = atoi (strptr);
1.151 cvs 2437: else
2438: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
2439: HTHost_setEventTimeout (tmp_i);
2440:
1.173 cvs 2441: HTRequest_setMaxRetry (8);
1.4 cvs 2442: #ifdef CATCH_SIG
1.148 cvs 2443: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2444: #endif
1.15 cvs 2445: }
2446:
2447: /*----------------------------------------------------------------------
1.17 cvs 2448: LoopForStop
1.136 cvs 2449: a copy of the Thop event loop so we can handle the stop button in Unix
2450: and preemptive requests under Windows
1.15 cvs 2451: ----------------------------------------------------------------------*/
2452: static int LoopForStop (AHTReqContext * me)
2453: {
1.136 cvs 2454: #ifdef _WINDOWS
2455: MSG msg;
2456: unsigned long libwww_msg;
2457: HWND old_active_window, libwww_window;
2458: int status_req = HT_OK;
2459:
2460: old_active_window = GetActiveWindow ();
2461: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2462:
1.149 cvs 2463: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
1.253 cvs 2464: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
2465: GetMessage (&msg, NULL, 0, 0))
2466: {
2467: if (msg.message != WM_QUIT)
2468: TtaHandleOneEvent (&msg);
2469: else
2470: break;
2471: }
1.136 cvs 2472: if (!AmayaIsAlive ())
2473: /* Amaya was killed by one of the callback handlers */
2474: exit (0);
2475: #else /* _WINDOWS */
1.277 kahan 2476: ThotEvent ev;
1.17 cvs 2477: int status_req = HT_OK;
1.15 cvs 2478:
2479: /* to test the async calls */
1.17 cvs 2480: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 2481: while (me->reqStatus != HT_ABORT &&
2482: me->reqStatus != HT_END &&
1.69 cvs 2483: me->reqStatus != HT_ERR) {
1.116 cvs 2484: if (!AmayaIsAlive ())
1.69 cvs 2485: /* Amaya was killed by one of the callback handlers */
2486: exit (0);
1.277 kahan 2487:
2488: if (TtaFetchOneAvailableEvent (&ev))
2489: TtaHandleOneEvent (&ev);
1.69 cvs 2490: }
1.136 cvs 2491: #endif /* _WINDOWS */
1.69 cvs 2492: switch (me->reqStatus) {
2493: case HT_ERR:
2494: case HT_ABORT:
1.130 cvs 2495: status_req = NO;
1.15 cvs 2496: break;
2497:
1.69 cvs 2498: case HT_END:
1.130 cvs 2499: status_req = YES;
1.15 cvs 2500: break;
2501:
1.69 cvs 2502: default:
1.15 cvs 2503: break;
1.69 cvs 2504: }
1.15 cvs 2505: return (status_req);
1.4 cvs 2506: }
2507:
1.5 cvs 2508: /*----------------------------------------------------------------------
1.15 cvs 2509: QueryClose
1.21 cvs 2510: closes all existing threads, frees all non-automatically deallocated
2511: memory and then ends libwww.
1.5 cvs 2512: ----------------------------------------------------------------------*/
1.116 cvs 2513: void QueryClose ()
1.4 cvs 2514: {
1.24 cvs 2515:
1.140 cvs 2516: AmayaAlive_flag = FALSE;
1.24 cvs 2517:
1.116 cvs 2518: /* remove all the handlers and callbacks that may output a message to
2519: a non-existent Amaya window */
2520: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2521: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
2522: #ifndef _WINDOWS
2523: /** need to erase all existing timers too **/
2524: HTTimer_registerSetTimerCallback (NULL);
2525: HTTimer_registerDeleteTimerCallback (NULL);
2526: #endif /* !_WINDOWS */
2527: HTHost_setActivateRequestCallback (NULL);
2528: Thread_deleteAll ();
1.21 cvs 2529:
1.116 cvs 2530: HTProxy_deleteAll ();
2531: HTNoProxy_deleteAll ();
1.207 cvs 2532: SafePut_delete ();
1.116 cvs 2533: HTGateway_deleteAll ();
2534: AHTProfile_delete ();
1.248 kahan 2535:
2536: /* close the trace file (if it exists) */
2537: if (trace_fp)
2538: fclose (trace_fp);
2539:
1.116 cvs 2540: }
2541:
2542: /*----------------------------------------------------------------------
2543: NextNameValue
2544: ---------------------------------------------------------------------*/
1.265 cvs 2545: static char * NextNameValue (char **pstr, char **name, char **value)
1.116 cvs 2546: {
2547: char * p = *pstr;
2548: char * start = NULL;
2549: if (!pstr || !*pstr) return NULL;
2550:
2551: if (!*p) {
2552: *pstr = p;
2553: *name = NULL;
2554: *value = NULL;
2555: return NULL; /* No field */
2556: }
2557:
2558: /* Now search for the next '&' and ';' delimitators */
2559: start = p;
2560: while (*p && *p != '&' && *p != ';') p++;
2561: if (*p)
2562: *p++ = '\0';
2563: *pstr = p;
2564:
2565: /* Search for the name and value */
2566: *name = start;
2567: p = start;
2568:
2569: while(*p && *p != '=')
2570: p++;
2571: if (*p)
2572: *p++ = '\0';
2573: *value = p;
2574:
2575: return start;
2576: }
2577:
2578: /*----------------------------------------------------------------------
2579: PrepareFormdata
2580: ---------------------------------------------------------------------*/
1.265 cvs 2581: static HTAssocList * PrepareFormdata (char *string)
1.116 cvs 2582: {
1.266 cvs 2583: char *tmp_string, *tmp_string_ptr;
2584: char *name;
2585: char *value;
2586: HTAssocList *formdata;
1.116 cvs 2587:
2588: if (!string)
2589: return NULL;
2590:
2591: /* store the ptr in another variable, as the original address will
2592: change
2593: */
1.236 cvs 2594:
1.265 cvs 2595: tmp_string_ptr = TtaGetMemory (strlen (string) + 1);
1.236 cvs 2596: tmp_string = tmp_string_ptr;
1.273 cvs 2597: strcpy (tmp_string_ptr, string);
1.116 cvs 2598: formdata = HTAssocList_new();
2599:
2600: while (*tmp_string)
2601: {
2602: NextNameValue (&tmp_string, &name, &value);
2603: HTAssocList_addObject(formdata,
2604: name, value);
2605: }
2606:
2607: TtaFreeMemory (tmp_string_ptr);
2608: return formdata;
1.4 cvs 2609: }
2610:
1.236 cvs 2611: /*----------------------------------------------------------------------
2612: ---------------------------------------------------------------------*/
1.216 cvs 2613: void AHTRequest_setCustomAcceptHeader (HTRequest *request, char *value)
2614: {
2615: HTRqHd rqhd = HTRequest_rqHd (request);
2616: rqhd = rqhd & (~HT_C_ACCEPT_TYPE);
2617: HTRequest_setRqHd (request, rqhd);
1.221 cvs 2618: HTRequest_addExtraHeader (request, "Accept", value);
1.216 cvs 2619: }
2620:
1.228 cvs 2621: /*----------------------------------------------------------------------
1.99 cvs 2622: InvokeGetObjectWWW_callback
2623: A simple function to invoke a callback function whenever there's an error
2624: in GetObjectWWW
2625: ---------------------------------------------------------------------*/
1.265 cvs 2626: void InvokeGetObjectWWW_callback (int docid, char *urlName,
2627: char *outputfile, TTcbf *terminate_cbf,
2628: void *context_tcbf, int status)
1.99 cvs 2629: {
2630: if (!terminate_cbf)
2631: return;
2632:
1.116 cvs 2633: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 2634: NULL, context_tcbf);
2635: }
2636:
2637:
2638:
1.5 cvs 2639: /*----------------------------------------------------------------------
1.15 cvs 2640: GetObjectWWW
1.17 cvs 2641: this function requests a resource designated by a URLname into a
2642: temporary filename. The download can come from a simple GET operation,
2643: or can come from POSTING/GETTING a form. In the latter
2644: case, the function receives a query string to send to the server.
2645:
1.5 cvs 2646: 4 file retrieval modes are proposed:
2647: AMAYA_SYNC : blocking mode
2648: AMAYA_ISYNC : incremental, blocking mode
2649: AMAYA_ASYNC : non-blocking mode
2650: AMAYA_IASYNC : incremental, non-blocking mode
2651:
2652: In the incremental mode, each time a package arrives, it will be
2653: stored in the temporary file. In addition, if an
2654: incremental_callback function is defined, this function will be
2655: called and handled a copy of the newly received data package.
2656: Finally, if a terminate_callback function is defined, it will be
2657: invoked when the request terminates. The caller of this function
1.4 cvs 2658: can define two different contexts to be passed to the callback
2659: functions.
2660:
2661: When the function is called with the SYNC mode, the function will
2662: return only when the requested file has been loaded.
2663: The ASYNC mode will immediately return after setting up the
2664: call.
2665:
2666: Notes:
2667: At the end of a succesful request, the urlName string contains the
2668: name of the actually retrieved URL. As a URL can change over the time,
2669: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 2670: caller verify the value of the urlName variable at the end of
1.4 cvs 2671: a request.
2672:
2673: Inputs:
2674: - docid Document identifier for the set of objects being
2675: retrieved.
2676: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
2677: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2678: - mode The retrieval mode.
2679: - incremental_cbf
2680: - context_icbf
2681: Callback and context for the incremental modes
2682: - terminate_cbf
2683: - context_icbf
2684: Callback and context for a terminate handler
1.17 cvs 2685: -error_html if TRUE, then display any server error message as an
2686: HTML document.
1.88 cvs 2687: - content_type a string
2688:
1.4 cvs 2689: Outputs:
2690: - urlName The URL that was retrieved
2691: - outputfile The name of the temporary file which holds the
2692: retrieved data. (Only in case of success)
1.88 cvs 2693: - if content_type wasn't NULL, it will contain a copy of the parameter
2694: sent in the HTTP answer
1.4 cvs 2695: Returns:
2696: HT_ERROR
2697: HT_OK
1.5 cvs 2698:
2699: ----------------------------------------------------------------------*/
1.265 cvs 2700: int GetObjectWWW (int docid, char *urlName, char *formdata,
2701: char *outputfile, int mode, TIcbf *incremental_cbf,
2702: void *context_icbf, TTcbf *terminate_cbf,
2703: void *context_tcbf, ThotBool error_html, char *content_type)
1.4 cvs 2704: {
2705: AHTReqContext *me;
1.286 kahan 2706: char * ref;
2707: char * tmp;
2708: char * esc_url;
1.107 cvs 2709: int status, l;
1.114 cvs 2710: int tempsubdir;
1.191 cvs 2711: ThotBool bool_tmp;
1.7 cvs 2712:
1.116 cvs 2713: if (urlName == NULL || docid == 0 || outputfile == NULL)
2714: {
2715: /* no file to be loaded */
2716: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 2717:
1.116 cvs 2718: if (error_html)
1.69 cvs 2719: /* so we can show the error message */
2720: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2721: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2722: context_tcbf, HT_ERROR);
2723: return HT_ERROR;
2724: }
1.7 cvs 2725:
1.159 cvs 2726: /* if it's a 'docImage', we have already downloaded it */
1.265 cvs 2727: if (!strncmp ("internal:", urlName, 9))
1.159 cvs 2728: {
1.265 cvs 2729: strcpy (outputfile, urlName);
1.159 cvs 2730: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2731: terminate_cbf, context_tcbf, HT_OK);
2732: return HT_OK;
2733: }
2734:
1.4 cvs 2735: /* do we support this protocol? */
1.116 cvs 2736: if (IsValidProtocol (urlName) == NO)
2737: {
2738: /* return error */
2739: outputfile[0] = EOS; /* file could not be opened */
2740: TtaSetStatus (docid, 1,
2741: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
2742: urlName);
2743:
2744: if (error_html)
1.69 cvs 2745: /* so we can show the error message */
2746: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2747: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2748: context_tcbf, HT_ERROR);
2749: return HT_ERROR;
2750: }
1.4 cvs 2751:
1.114 cvs 2752: /* we store CSS in subdir named 0; all the other files go to a subidr
2753: named after their own docid */
2754:
2755: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
2756:
1.116 cvs 2757: /* create a tempfilename */
1.272 cvs 2758: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP, object_counter);
1.116 cvs 2759: /* update the object_counter (used for the tempfilename) */
1.4 cvs 2760: object_counter++;
1.116 cvs 2761:
1.4 cvs 2762: /* normalize the URL */
1.286 kahan 2763: tmp = URLToUTF8 (urlName, docid);
2764: if (tmp)
2765: {
2766: esc_url = EscapeURL (tmp);
2767: TtaFreeMemory (tmp);
2768: }
2769: else
2770: esc_url = EscapeURL (urlName);
2771:
1.206 cvs 2772: if (esc_url)
2773: {
1.265 cvs 2774: ref = AmayaParseUrl (esc_url, "", AMAYA_PARSE_ALL);
1.206 cvs 2775: TtaFreeMemory (esc_url);
2776: }
2777: else
2778: ref = NULL;
2779:
1.4 cvs 2780: /* should we abort the request if we could not normalize the url? */
1.198 cvs 2781: if (ref == NULL || ref[0] == EOS) {
1.69 cvs 2782: /*error */
2783: outputfile[0] = EOS;
2784: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.214 cvs 2785: if (ref)
2786: TtaFreeMemory (ref);
1.69 cvs 2787: if (error_html)
1.116 cvs 2788: /* so we can show the error message */
2789: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 2790: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 2791: context_tcbf, HT_ERROR);
1.69 cvs 2792: return HT_ERROR;
2793: }
1.116 cvs 2794:
1.4 cvs 2795: /* verify if that file name existed */
1.9 cvs 2796: if (TtaFileExist (outputfile))
1.77 cvs 2797: TtaFileUnlink (outputfile);
1.116 cvs 2798:
1.4 cvs 2799: /* Initialize the request structure */
2800: me = AHTReqContext_new (docid);
1.116 cvs 2801: if (me == NULL)
2802: {
2803: outputfile[0] = EOS;
2804: /* need an error message here */
2805: TtaFreeMemory (ref);
2806: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2807: context_tcbf, HT_ERROR);
2808: return HT_ERROR;
2809: }
2810:
1.4 cvs 2811: /* Specific initializations for POST and GET */
1.222 cvs 2812: if (mode & AMAYA_FORM_POST
1.228 cvs 2813: || mode & AMAYA_FILE_POST)
1.116 cvs 2814: {
2815: me->method = METHOD_POST;
2816: HTRequest_setMethod (me->request, METHOD_POST);
2817: }
2818: else
2819: {
1.254 kahan 2820: #ifdef ANNOTATIONS
2821: /* we support the DELETE method for deleting annotations.
2822: the rest of the request is similar to the GET */
2823: if (mode & AMAYA_DELETE)
2824: {
2825: me->method = METHOD_GET;
2826: HTRequest_setMethod (me->request, METHOD_DELETE);
2827: }
2828: else
2829: #endif /* ANNOTATIONS */
2830: me->method = METHOD_GET;
1.116 cvs 2831: if (!HasKnownFileSuffix (ref))
1.216 cvs 2832: {
2833: /* try to adjust the Accept header in an netwise economical way */
2834: if (mode & AMAYA_LOAD_IMAGE)
2835: AHTRequest_setCustomAcceptHeader (me->request, IMAGE_ACCEPT_NEGOTIATION);
2836: else if (mode & AMAYA_LOAD_CSS)
2837: AHTRequest_setCustomAcceptHeader (me->request, "*/*;q=0.1,css/*");
1.244 kahan 2838: #ifdef ANNOTATIONS
1.272 cvs 2839: else if (content_type && content_type[0] != EOS)
1.244 kahan 2840: /* use the custom sent content_type */
2841: AHTRequest_setCustomAcceptHeader (me->request, content_type);
2842: #endif /* ANNOTATIONS */
1.216 cvs 2843: /*
2844: HTRequest_setConversion(me->request, acceptTypes, TRUE);
2845: */
2846: }
2847: HTRequest_setLanguage (me->request, acceptLanguages, TRUE);
1.116 cvs 2848: }
1.93 cvs 2849:
1.116 cvs 2850: /* Common initialization for all HTML methods */
1.4 cvs 2851: me->mode = mode;
2852: me->error_html = error_html;
2853: me->incremental_cbf = incremental_cbf;
2854: me->context_icbf = context_icbf;
2855: me->terminate_cbf = terminate_cbf;
2856: me->context_tcbf = context_tcbf;
1.64 cvs 2857:
1.69 cvs 2858: /* for the async. request modes, we need to have our
1.4 cvs 2859: own copy of outputfile and urlname
1.116 cvs 2860: */
1.4 cvs 2861:
1.116 cvs 2862: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
2863: {
1.265 cvs 2864: l = strlen (outputfile);
1.116 cvs 2865: if (l > MAX_LENGTH)
1.265 cvs 2866: me->outputfile = TtaGetMemory (l + 2);
1.116 cvs 2867: else
1.265 cvs 2868: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
2869: strcpy (me->outputfile, outputfile);
2870: l = strlen (urlName);
1.116 cvs 2871: if (l > MAX_LENGTH)
1.265 cvs 2872: me->urlName = TtaGetMemory (l + 2);
1.116 cvs 2873: else
1.265 cvs 2874: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
2875: strcpy (me->urlName, urlName);
1.116 cvs 2876: #ifdef _WINDOWS
2877: /* force windows ASYNC requests to always be non preemptive */
2878: HTRequest_setPreemptive (me->request, NO);
2879: #endif /*_WINDOWS */
2880: } /* AMAYA_ASYNC mode */
2881: else
2882: #ifdef _WINDOWS
2883: {
1.233 cvs 2884: me->outputfile = outputfile;
2885: me->urlName = urlName;
1.116 cvs 2886: /* force windows SYNC requests to always be non preemptive */
2887: HTRequest_setPreemptive (me->request, YES);
2888: }
2889: #else /* !_WINDOWS */
2890: {
2891: me->outputfile = outputfile;
2892: me->urlName = urlName;
2893: }
2894: /***
1.136 cvs 2895: In order to take into account the stop button,
2896: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1.57 cvs 2897: we will loop until the document has been received or a stop signal
2898: generated
1.77 cvs 2899: ****/
1.116 cvs 2900: HTRequest_setPreemptive (me->request, NO);
2901: #endif /* _WINDOWS */
1.61 cvs 2902:
1.151 cvs 2903: /*
2904: ** Make sure that the first request is flushed immediately and not
2905: ** buffered in the output buffer
2906: */
2907: if (mode & AMAYA_FLUSH_REQUEST)
2908: HTRequest_setFlush(me->request, YES);
2909: HTRequest_setFlush(me->request, YES);
2910:
1.61 cvs 2911: /* prepare the URLname that will be displayed in teh status bar */
2912: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 2913: TtaSetStatus (me->docid, 1,
2914: TtaGetMessage (AMAYA, AM_FETCHING),
1.233 cvs 2915: me->status_urlName);
1.4 cvs 2916:
1.265 cvs 2917: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 2918: TtaFreeMemory (ref);
1.177 cvs 2919:
1.223 cvs 2920: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
1.177 cvs 2921: if (!bool_tmp && (mode & AMAYA_NOCACHE))
1.116 cvs 2922: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
2923:
2924: /* prepare the query string and format for POST */
2925: if (mode & AMAYA_FORM_POST)
1.114 cvs 2926: {
1.116 cvs 2927: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
2928: HTAtom_for ("application/x-www-form-urlencoded"));
2929: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
2930: HTRequest_setEntityAnchor (me->request, me->anchor);
2931: }
1.114 cvs 2932:
1.127 cvs 2933: /* create the formdata element for libwww */
1.236 cvs 2934: if (formdata && ! (mode & AMAYA_FILE_POST))
2935: me->formdata = PrepareFormdata (formdata);
1.127 cvs 2936:
1.116 cvs 2937: /* do the request */
2938: if (mode & AMAYA_FORM_POST)
1.119 cvs 2939: {
1.191 cvs 2940: /* this call doesn't give back a ThotBool */
1.119 cvs 2941: HTParentAnchor * posted = NULL;
2942:
2943: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
2944: me->request);
2945: status = posted ? YES : NO;
2946: }
1.222 cvs 2947: #ifdef ANNOTATIONS
1.251 kahan 2948: else if (mode & AMAYA_FILE_POST)
1.222 cvs 2949: {
1.228 cvs 2950: unsigned long filesize;
2951: char *fileURL;
2952:
2953: /* @@@ a very ugly patch :)))
2954: I'm copying here some of the functionality I use in the PUT
2955: I need to put the common parts in another module */
1.252 kahan 2956: AM_GetFileSize (formdata, &filesize);
1.228 cvs 2957: me->block_size = filesize;
2958:
1.233 cvs 2959: fileURL = HTParse (formdata, "file:/", PARSE_ALL);
1.228 cvs 2960: me->source = HTAnchor_findAddress (fileURL);
2961: HT_FREE (fileURL);
1.222 cvs 2962:
1.228 cvs 2963: /* hardcoded ... */
2964: AHTRequest_setCustomAcceptHeader (me->request, "application/xml");
1.222 cvs 2965: HTAnchor_setFormat (HTAnchor_parent (me->source),
2966: HTAtom_for ("application/xml"));
1.228 cvs 2967: HTAnchor_setFormat (me->anchor,
2968: HTAtom_for ("application/xml"));
2969: HTAnchor_setLength ((HTParentAnchor *) me->source, me->block_size);
2970: /* @@ here I need to actually read the file and put it in document,
2971: then, when I kill the request, I need to kill it */
2972: {
2973: FILE *fp;
2974: int i;
2975: char c;
2976:
1.255 swick 2977: me->document = TtaGetMemory (me->block_size + 1);
1.233 cvs 2978: fp = fopen (formdata, "r");
1.244 kahan 2979: i = 0;
1.228 cvs 2980: c = getc (fp);
2981: while (!feof (fp))
2982: {
2983: me->document[i++] = c;
2984: c = getc (fp);
2985: }
2986: me->document[i] = '\0';
2987: fclose (fp);
2988: }
2989: HTAnchor_setDocument ( (HTParentAnchor *) me->source,
2990: (void * ) me->document);
2991: HTRequest_setEntityAnchor (me->request, HTAnchor_parent (me->source));
2992:
2993: status = HTPostAnchor (HTAnchor_parent (me->source),
1.222 cvs 2994: (HTAnchor *) me->anchor,
2995: me->request);
2996: }
2997: #endif /* ANNOTATIONS */
1.127 cvs 2998: else if (formdata)
2999: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
3000: me->request);
1.116 cvs 3001: else
1.77 cvs 3002: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 3003:
1.123 cvs 3004: /* @@@ may need some special windows error msg here */
1.116 cvs 3005: /* control the errors */
1.4 cvs 3006:
1.130 cvs 3007: if (status == NO)
1.116 cvs 3008: /* the request invocation failed */
3009: {
3010: /* show an error message on the status bar */
3011: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
3012: TtaSetStatus (docid, 1,
3013: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
3014: urlName);
3015: if (me->reqStatus == HT_NEW)
3016: /* manually invoke the last processing that usually gets done
3017: in a succesful request */
3018: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
3019: terminate_cbf, context_tcbf, HT_ERROR);
3020: /* terminate_handler wasn't called */
1.136 cvs 3021: AHTReqContext_delete (me);
1.116 cvs 3022: }
3023: else
1.136 cvs 3024: /* end treatment for SYNC requests */
1.120 cvs 3025: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3026: {
1.136 cvs 3027: /* wait here untilt the asynchronous request finishes */
1.130 cvs 3028: status = LoopForStop (me);
1.136 cvs 3029: /* if status returns HT_ERROR, should we invoke the callback? */
1.120 cvs 3030: if (!HTRequest_kill (me->request))
3031: AHTReqContext_delete (me);
3032: }
1.130 cvs 3033:
1.136 cvs 3034: /* an interface problem!!! */
3035: return (status == YES ? 0 : -1);
1.4 cvs 3036: }
3037:
1.5 cvs 3038: /*----------------------------------------------------------------------
1.17 cvs 3039: PutObjectWWW
3040: frontend for uploading a resource to a URL. This function downloads
3041: a file to be uploaded into memory, it then calls UploadMemWWW to
3042: finish the job.
3043:
1.5 cvs 3044: 2 upload modes are proposed:
3045: AMAYA_SYNC : blocking mode
3046: AMAYA_ASYNC : non-blocking mode
3047:
1.4 cvs 3048: When the function is called with the SYNC mode, the function will
3049: return only when the file has been uploaded.
3050: The ASYNC mode will immediately return after setting up the
3051: call. Furthermore, at the end of an upload, the ASYNC mode will
3052: call back terminate_cbf, handling it the context defined in
3053: context_tcbf.
3054:
3055: Notes:
3056: At the end of a succesful request, the urlName string contains the
3057: name of the actually uploaded URL. As a URL can change over the time,
3058: (e.g., be redirected elsewhere), it is advised that the function
3059: caller verifies the value of the urlName variable at the end of
3060: a request.
3061:
3062: Inputs:
3063: - docid Document identifier for the set of objects being
3064: retrieved.
3065: - fileName A pointer to the local file to upload
3066: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
3067: - mode The retrieval mode.
3068: - terminate_cbf
3069: - context_icbf
3070: Callback and context for a terminate handler
3071:
3072: Outputs:
3073: - urlName The URL that was uploaded
3074:
3075: Returns:
3076: HT_ERROR
3077: HT_OK
1.5 cvs 3078: ----------------------------------------------------------------------*/
1.276 kahan 3079: int PutObjectWWW (int docid, char *fileName, char *urlName,
3080: char *contentType, int mode,
1.265 cvs 3081: TTcbf *terminate_cbf, void *context_tcbf)
1.4 cvs 3082: {
1.116 cvs 3083: AHTReqContext *me;
1.250 cvs 3084: CHARSET charset;
1.4 cvs 3085: int status;
1.250 cvs 3086: unsigned long file_size;
1.116 cvs 3087: char *fileURL;
1.168 cvs 3088: char *etag = NULL;
1.169 cvs 3089: HTParentAnchor *dest_anc_parent;
1.265 cvs 3090: char *tmp;
3091: char *esc_url;
1.168 cvs 3092: int UsePreconditions;
1.191 cvs 3093: ThotBool lost_update_check = TRUE;
1.235 cvs 3094: char url_name[MAX_LENGTH];
1.285 kahan 3095: char *resource_name;
1.265 cvs 3096: char *tmp2;
1.239 cvs 3097: #ifdef _WINDOWS
3098: char file_name[MAX_LENGTH];
3099: #endif /* _WINDOWS */
1.172 cvs 3100:
3101: /* should we protect the PUT against lost updates? */
1.203 cvs 3102: tmp = TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
1.265 cvs 3103: if (tmp && *tmp && strcasecmp (tmp, "yes"))
1.172 cvs 3104: lost_update_check = FALSE;
1.168 cvs 3105:
3106: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
1.4 cvs 3107:
1.33 cvs 3108: AmayaLastHTTPErrorMsg [0] = EOS;
1.256 kahan 3109: AmayaLastHTTPErrorMsgR [0] = EOS;
3110:
1.33 cvs 3111:
1.116 cvs 3112: if (urlName == NULL || docid == 0 || fileName == NULL
3113: || !TtaFileExist (fileName))
1.4 cvs 3114: /* no file to be uploaded */
3115: return HT_ERROR;
3116:
3117: /* do we support this protocol? */
1.7 cvs 3118: if (IsValidProtocol (urlName) == NO)
3119: {
3120: /* return error */
1.198 cvs 3121: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL), urlName);
1.7 cvs 3122: return HT_ERROR;
3123: }
1.116 cvs 3124:
1.228 cvs 3125: /* get the size of the file */
1.252 kahan 3126: if (!AM_GetFileSize (fileName, &file_size) || file_size == 0L)
1.7 cvs 3127: {
3128: /* file was empty */
3129: /*errmsg here */
3130: return (HT_ERROR);
3131: }
1.116 cvs 3132:
3133: /* prepare the request context */
1.4 cvs 3134: if (THD_TRACE)
1.228 cvs 3135: fprintf (stderr, "file size == %u\n", (unsigned) file_size);
1.4 cvs 3136:
3137: me = AHTReqContext_new (docid);
1.7 cvs 3138: if (me == NULL)
3139: {
1.168 cvs 3140: /* @@ need an error message here */
1.151 cvs 3141: TtaHandlePendingEvents ();
1.7 cvs 3142: return (HT_ERROR);
1.208 cvs 3143: }
3144:
3145: /*
3146: ** Set up the original URL name
3147: */
1.285 kahan 3148:
3149: /* are we using content-location? */
3150: if (DocumentMeta[docid]->content_location)
3151: resource_name = DocumentMeta[docid]->content_location;
3152: else
3153: resource_name = NULL;
3154:
3155: /* prepare the target URL */
3156: if (resource_name)
1.208 cvs 3157: {
1.285 kahan 3158: tmp = strstr (urlName, resource_name);
3159: if (!tmp)
1.208 cvs 3160: {
1.285 kahan 3161: /* urlName does not include the resource name */
3162: me->default_put_name = TtaGetMemory (strlen (urlName)
3163: + strlen (resource_name)
3164: + sizeof (URL_SEP)
3165: + 1);
3166: strcpy (me->default_put_name, urlName);
3167: tmp = strrchr (me->default_put_name, URL_SEP);
3168: if (tmp)
1.208 cvs 3169: {
1.285 kahan 3170: /* it is a URL finishing in /. Only add the resrouce name */
3171: tmp++;
3172: strcpy (tmp, resource_name);
3173: }
3174: else
3175: {
3176: strcat (me->default_put_name, URL_STR);
3177: strcat (me->default_put_name, resource_name);
1.208 cvs 3178: }
3179: }
1.7 cvs 3180: }
1.285 kahan 3181:
3182: if (!me->default_put_name)
1.271 kahan 3183: me->default_put_name = TtaStrdup (urlName);
3184:
1.285 kahan 3185: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.116 cvs 3186:
1.4 cvs 3187: me->mode = mode;
3188: me->incremental_cbf = (TIcbf *) NULL;
3189: me->context_icbf = (void *) NULL;
3190: me->terminate_cbf = terminate_cbf;
3191: me->context_tcbf = context_tcbf;
1.286 kahan 3192:
3193: /* normalize the URL */
3194: tmp = URLToUTF8 (urlName, docid);
3195: if (tmp)
3196: {
3197: esc_url = EscapeURL (tmp);
3198: TtaFreeMemory (tmp);
3199: }
3200: else
3201: esc_url = EscapeURL (urlName);
1.272 cvs 3202: me->urlName = TtaStrdup (esc_url);
1.206 cvs 3203: TtaFreeMemory (esc_url);
1.228 cvs 3204: me->block_size = file_size;
1.17 cvs 3205: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 3206: me->method = METHOD_PUT;
3207: me->output = stdout;
1.17 cvs 3208: /* we are not expecting to receive any input from the server */
1.265 cvs 3209: me->outputfile = (char *) NULL;
1.4 cvs 3210:
1.134 cvs 3211: #ifdef _WINDOWS
3212: /* libwww's HTParse function doesn't take into account the drive name;
1.168 cvs 3213: so we sidestep it */
1.238 cvs 3214:
1.134 cvs 3215: fileURL = NULL;
3216: StrAllocCopy (fileURL, "file:");
1.273 cvs 3217: strcpy (file_name, fileName);
1.235 cvs 3218: StrAllocCat (fileURL, file_name);
1.134 cvs 3219: #else
1.116 cvs 3220: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
1.134 cvs 3221: #endif /* _WINDOWS */
1.168 cvs 3222: me->source = HTAnchor_findAddress (fileURL);
1.116 cvs 3223: HT_FREE (fileURL);
1.273 cvs 3224: strcpy (url_name, me->urlName);
1.235 cvs 3225: me->dest = HTAnchor_findAddress (url_name);
1.169 cvs 3226: /* we memorize the anchor's parent @ as we use it a number of times
3227: in the following lines */
3228: dest_anc_parent = HTAnchor_parent (me->dest);
1.168 cvs 3229:
1.169 cvs 3230: /*
3231: ** Set the Content-Type of the file we are uploading
3232: */
3233: /* we try to use any content-type previosuly associated
3234: with the parent. If it doesn't exist, we try to guess it
3235: from the URL */
1.276 kahan 3236: /* @@ JK: trying to use the content type we stored */
3237: /*
1.235 cvs 3238: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
1.276 kahan 3239: */
3240: tmp2 = NULL;
1.235 cvs 3241: if (!tmp2 || !strcmp (tmp2, "www/unknown"))
1.169 cvs 3242: {
1.260 kahan 3243: HTAtom *tmp_atom;
1.276 kahan 3244:
1.260 kahan 3245: tmp_atom = AHTGuessAtom_for (me->urlName, contentType);
1.276 kahan 3246: if (!tmp_atom || !strcmp (HTAtom_name (tmp_atom), "www/unknown"))
3247: {
3248: /* ask the user for a MIME type */
3249: }
1.260 kahan 3250: HTAnchor_setFormat (dest_anc_parent, tmp_atom);
1.235 cvs 3251: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
1.169 cvs 3252: }
3253: /* .. and we give the same type to the source anchor */
3254: /* we go thru setOutputFormat, rather than change the parent's
3255: anchor, as that's the place that libwww expects it to be */
1.235 cvs 3256: HTAnchor_setFormat (HTAnchor_parent (me->source), HTAtom_for (tmp2));
1.219 cvs 3257:
1.235 cvs 3258: HTRequest_setOutputFormat (me->request, HTAtom_for (tmp2));
1.219 cvs 3259:
3260: /*
3261: ** Set the Charset of the file we are uploading
3262: */
1.240 cvs 3263: /* we set the charset as indicated in the document's metadata
3264: structure (and only if it exists) */
1.250 cvs 3265: charset = TtaGetDocumentCharset (docid);
3266: if (charset != UNDEFINED_CHARSET)
1.240 cvs 3267: {
1.250 cvs 3268: tmp = TtaGetCharsetName (charset);
1.272 cvs 3269: if (tmp && *tmp != EOS)
1.250 cvs 3270: {
1.273 cvs 3271: tmp2 = TtaStrdup (tmp);
1.250 cvs 3272: HTAnchor_setCharset (dest_anc_parent, HTAtom_for (tmp2));
3273: TtaFreeMemory (tmp2);
3274: tmp2 = HTAtom_name (HTAnchor_charset (dest_anc_parent));
3275: /* .. and we give the same charset to the source anchor */
3276: /* we go thru setCharSet, rather than change the parent's
3277: anchor, as that's the place that libwww expects it to be */
3278: HTAnchor_setCharset (HTAnchor_parent (me->source),
3279: HTAtom_for (tmp2));
3280: }
1.219 cvs 3281: }
3282:
3283: /*
3284: ** define other request characteristics
3285: */
1.116 cvs 3286: #ifdef _WINDOWS
1.136 cvs 3287: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 3288: #else
1.134 cvs 3289: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 3290: #endif /* _WINDOWS */
3291:
1.151 cvs 3292: /*
3293: ** Make sure that the first request is flushed immediately and not
3294: ** buffered in the output buffer
3295: */
3296: if (mode & AMAYA_FLUSH_REQUEST)
3297: HTRequest_setFlush(me->request, YES);
1.168 cvs 3298:
3299: /* Should we use preconditions? */
1.172 cvs 3300: if (lost_update_check)
1.168 cvs 3301: {
1.172 cvs 3302: if (UsePreconditions)
3303: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
3304:
3305: if (etag)
3306: {
3307: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
3308: }
3309: else
3310: {
3311: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3312: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
3313: HT_FILTER_MIDDLE, YES);
1.175 cvs 3314: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3315: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
3316: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3317: HT_REAUTH, HT_FILTER_MIDDLE, YES);
3318: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
3319: HT_ALL, HT_FILTER_MIDDLE, YES);
3320: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
3321: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
1.172 cvs 3322: }
1.168 cvs 3323: }
3324: else
3325: {
1.172 cvs 3326: /* don't use preconditions */
1.168 cvs 3327: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3328: }
1.151 cvs 3329:
1.136 cvs 3330: /* don't use the cache while saving a document */
3331: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 3332:
1.164 cvs 3333: /* Throw away any reponse body */
3334: /*
3335: HTRequest_setOutputStream (me->request, HTBlackHole());
3336: */
3337:
1.168 cvs 3338: /* prepare the URLname that will be displayed in the status bar */
1.74 cvs 3339: ChopURL (me->status_urlName, me->urlName);
1.233 cvs 3340: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING), me->status_urlName);
1.114 cvs 3341:
1.164 cvs 3342: /* make the request */
1.172 cvs 3343: if (lost_update_check && (!UsePreconditions || !etag))
1.168 cvs 3344: status = HTHeadAnchor (me->dest, me->request);
3345: else
3346: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1.4 cvs 3347:
1.130 cvs 3348: if (status == YES && me->reqStatus != HT_ERR)
1.7 cvs 3349: {
1.168 cvs 3350: /* part of the stop button handler */
3351: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3352: status = LoopForStop (me);
1.15 cvs 3353: }
1.136 cvs 3354: if (!HTRequest_kill (me->request))
3355: AHTReqContext_delete (me);
1.168 cvs 3356:
1.116 cvs 3357: TtaHandlePendingEvents ();
1.90 cvs 3358:
1.130 cvs 3359: return (status == YES ? 0 : -1);
1.28 cvs 3360: }
1.4 cvs 3361:
1.5 cvs 3362: /*----------------------------------------------------------------------
1.138 cvs 3363: StopRequest
1.17 cvs 3364: stops (kills) all active requests associated with a docid
1.5 cvs 3365: ----------------------------------------------------------------------*/
1.4 cvs 3366: void StopRequest (int docid)
3367: {
1.140 cvs 3368: if (Amaya && CanDoStop ())
1.138 cvs 3369: {
1.139 cvs 3370: #if 0 /* for later */
1.140 cvs 3371: AHTDocId_Status *docid_status;
3372: /* verify if there are any requests at all associated with docid */
1.138 cvs 3373: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
3374: Amaya->docid_status);
3375: if (docid_status == (AHTDocId_Status *) NULL)
3376: return;
1.139 cvs 3377: #endif /* 0 */
1.138 cvs 3378: /* temporary call to stop all requests, as libwww changed its API */
3379: StopAllRequests (docid);
3380: }
3381: }
3382:
1.190 cvs 3383: /* @@@ the docid parameter isn't used... clean it up */
1.138 cvs 3384: /*----------------------------------------------------------------------
3385: StopAllRequests
3386: stops (kills) all active requests. We use the docid
3387: ----------------------------------------------------------------------*/
3388: void StopAllRequests (int docid)
3389: {
1.4 cvs 3390: HTList *cur;
3391: AHTReqContext *me;
1.191 cvs 3392: static ThotBool lock_stop = 0;
3393: ThotBool async_flag;
1.232 cvs 3394: AHTReqStatus old_reqStatus;
1.116 cvs 3395:
1.138 cvs 3396: /* only do the stop if we're not being called while processing a
1.146 cvs 3397: request, and if we're not already dealing with a stop */
3398: if (Amaya && CanDoStop () && !lock_stop)
1.7 cvs 3399: {
1.100 cvs 3400: #ifdef DEBUG_LIBWWW
1.138 cvs 3401: fprintf (stderr, "StopRequest: number of Amaya requests "
3402: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 3403: #endif /* DEBUG_LIBWWW */
1.150 cvs 3404: /* enter the critical section */
1.146 cvs 3405: lock_stop = TRUE;
1.214 cvs 3406: /* set a module global variable so that we can do special
3407: processing easier */
3408: UserAborted_flag = TRUE;
1.232 cvs 3409: /* abort all outstanding libwww UI dialogues */
1.265 cvs 3410: CallbackDialogue (BaseDialog + FormAnswer, STRING_DATA, NULL);
3411: CallbackDialogue (BaseDialog + ConfirmForm, INTEGER_DATA, NULL);
1.164 cvs 3412: /* expire all outstanding timers */
3413: HTTimer_expireAll ();
1.160 cvs 3414: /* HTNet_killAll (); */
1.245 kahan 3415: if (Amaya->open_requests)
1.116 cvs 3416: {
1.245 kahan 3417: cur = Amaya->reqlist;
3418: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1.160 cvs 3419: {
1.245 kahan 3420: if (AmayaIsAlive ())
3421: {
1.161 cvs 3422: #ifdef DEBUG_LIBWWW
1.245 kahan 3423: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 3424: #endif /* DEBUG_LIBWWW */
1.245 kahan 3425:
3426: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
1.163 cvs 3427: {
1.245 kahan 3428: if ((me->mode & AMAYA_ASYNC)
3429: || (me->mode & AMAYA_IASYNC))
3430: async_flag = TRUE;
3431: else
3432: async_flag = FALSE;
3433:
3434: /* change the status to say that the request aborted */
3435: /* if the request was "busy", we just change a flag to say so and
3436: let the handler finish the processing itself */
3437: old_reqStatus = me->reqStatus;
3438: me->reqStatus = HT_ABORT;
3439: if (old_reqStatus == HT_BUSY)
3440: continue;
3441:
3442: /* kill the request, using the appropriate function */
3443: if (me->request->net)
3444: HTNet_killPipe (me->request->net);
3445: else
3446: {
3447: if (me->terminate_cbf)
3448: (*me->terminate_cbf) (me->docid, -1, me->urlName,
3449: me->outputfile,
3450: NULL,
3451: me->context_tcbf);
3452:
3453: if (async_flag)
3454: /* explicitly free the request context for async
3455: requests. The sync requests context is freed
3456: by LoopForStop */
3457: AHTReqContext_delete (me);
3458: }
3459: cur = Amaya->reqlist;
1.160 cvs 3460: }
1.142 cvs 3461: #ifndef _WINDOWS
3462: #ifdef WWW_XWINDOWS
1.245 kahan 3463: /* to be on the safe side, remove all outstanding
3464: X events */
1.160 cvs 3465: else
3466: RequestKillAllXtevents (me);
1.142 cvs 3467: #endif /* WWW_XWINDOWS */
3468: #endif /* !_WINDOWS */
1.245 kahan 3469: }
1.160 cvs 3470: }
1.245 kahan 3471: /* Delete remaining channels */
3472: HTChannel_safeDeleteAll ();
1.116 cvs 3473: }
1.214 cvs 3474: /* reset the stop status */
3475: UserAborted_flag = FALSE;
1.150 cvs 3476: /* exit the critical section */
1.148 cvs 3477: lock_stop = FALSE;
1.100 cvs 3478: #ifdef DEBUG_LIBWWW
1.138 cvs 3479: fprintf (stderr, "StopRequest: number of Amaya requests "
3480: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 3481: #endif /* DEBUG_LIBWWW */
1.138 cvs 3482: }
3483: } /* StopAllRequests */
1.17 cvs 3484:
3485:
1.105 cvs 3486: /*----------------------------------------------------------------------
3487: AmayaIsAlive
1.140 cvs 3488: returns the value of the AmayaAlive_flag
1.105 cvs 3489: ----------------------------------------------------------------------*/
1.191 cvs 3490: ThotBool AmayaIsAlive (void)
1.105 cvs 3491: {
1.140 cvs 3492: return AmayaAlive_flag;
3493: }
3494:
3495: /*----------------------------------------------------------------------
3496: CanDoStop
3497: returns the value of the CanDoStop flag
3498: ----------------------------------------------------------------------*/
1.191 cvs 3499: ThotBool CanDoStop (void)
1.140 cvs 3500: {
3501: return CanDoStop_flag;
3502: }
3503:
3504: /*----------------------------------------------------------------------
3505: CanDoStop_set
3506: sets the value of the CanDoStop flag
3507: ----------------------------------------------------------------------*/
1.191 cvs 3508: void CanDoStop_set (ThotBool value)
1.140 cvs 3509: {
3510: CanDoStop_flag = value;
1.176 cvs 3511: }
3512:
1.265 cvs 3513: /*----------------------------------------------------------------------
3514: ----------------------------------------------------------------------*/
1.176 cvs 3515: void libwww_updateNetworkConf (int status)
3516: {
3517: /* @@@ the docid parameter isn't used... clean it up */
3518: int docid = 1;
3519:
3520: /* first, stop all current requests, as the network
3521: may make some changes */
3522: StopAllRequests (docid);
1.207 cvs 3523:
3524: if (status & AMAYA_SAFEPUT_RESTART)
3525: {
3526: SafePut_delete ();
3527: SafePut_init ();
3528: }
1.176 cvs 3529:
3530: if (status & AMAYA_PROXY_RESTART)
3531: {
3532: HTProxy_deleteAll ();
3533: ProxyInit ();
3534: }
3535:
3536: if (status & AMAYA_CACHE_RESTART)
3537: {
3538: clear_cachelock ();
3539: HTCacheTerminate ();
3540: HTCacheMode_setEnabled (NO);
3541: CacheInit ();
3542: }
1.193 cvs 3543:
3544: if (status & AMAYA_LANNEG_RESTART)
3545: {
3546: /* clear the current values */
3547: if (acceptLanguages)
3548: HTLanguage_deleteAll (acceptLanguages);
3549: /* read in the new ones */
3550: acceptLanguages = HTList_new ();
3551: AHTAcceptLanguagesInit (acceptLanguages);
3552: }
1.105 cvs 3553: }
1.246 kahan 3554:
3555: /****************************************************************************
3556: ** The following two functions allow to set and read the value of *
3557: ** the FTPURL_flag. If this flag is true, it means we can browse FTP URLs *
3558: ***************************************************************************/
3559:
3560: /*----------------------------------------------------------------------
3561: AHT_FTPURL_flag_set
3562: ----------------------------------------------------------------------*/
3563: void AHTFTPURL_flag_set (ThotBool value)
3564: {
3565: FTPURL_flag = value;
3566: }
3567:
3568: /*----------------------------------------------------------------------
3569: AHT_FTPURL_flag
3570: ----------------------------------------------------------------------*/
3571: ThotBool AHTFTPURL_flag (void)
3572: {
3573: return (FTPURL_flag);
3574: }
3575:
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