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