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