2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2001-2007 Match Grun and the Claws Mail team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * Functions necessary to access vCard files. vCard files are used
22 * by GnomeCard for addressbook, and Netscape for sending business
23 * card information. Refer to RFC2426 for more information.
33 #include "addrcache.h"
34 #include "adbookbase.h"
37 #include "quoted-printable.h"
39 #define GNOMECARD_DIR ".gnome"
40 #define GNOMECARD_FILE "GnomeCard"
41 #define GNOMECARD_SECTION "[file]"
42 #define GNOMECARD_PARAM "open"
44 #define VCARD_TEST_LINES 200
47 * Create new cardfile object.
49 VCardFile *vcard_create() {
51 cardFile = g_new0( VCardFile, 1 );
52 cardFile->type = ADBOOKTYPE_VCARD;
53 cardFile->addressCache = addrcache_create();
54 cardFile->retVal = MGU_SUCCESS;
56 cardFile->file = NULL;
57 cardFile->path = NULL;
58 cardFile->bufptr = cardFile->buffer;
65 void vcard_set_name( VCardFile* cardFile, const gchar *value ) {
66 g_return_if_fail( cardFile != NULL );
67 addrcache_set_name( cardFile->addressCache, value );
69 void vcard_set_file( VCardFile* cardFile, const gchar *value ) {
70 g_return_if_fail( cardFile != NULL );
71 addrcache_refresh( cardFile->addressCache );
72 cardFile->path = mgu_replace_string( cardFile->path, value );
73 g_strstrip( cardFile->path );
75 void vcard_set_accessed( VCardFile *cardFile, const gboolean value ) {
76 g_return_if_fail( cardFile != NULL );
77 cardFile->addressCache->accessFlag = value;
81 * Test whether file was modified since last access.
82 * Return: TRUE if file was modified.
84 gboolean vcard_get_modified( VCardFile *cardFile ) {
85 g_return_val_if_fail( cardFile != NULL, FALSE );
86 cardFile->addressCache->modified =
87 addrcache_check_file( cardFile->addressCache, cardFile->path );
88 return cardFile->addressCache->modified;
90 gboolean vcard_get_accessed( VCardFile *cardFile ) {
91 g_return_val_if_fail( cardFile != NULL, FALSE );
92 return cardFile->addressCache->accessFlag;
96 * Test whether file was read.
97 * Return: TRUE if file was read.
99 gboolean vcard_get_read_flag( VCardFile *cardFile ) {
100 g_return_val_if_fail( cardFile != NULL, FALSE );
101 return cardFile->addressCache->dataRead;
105 * Return status code from last file operation.
106 * Return: Status code.
108 gint vcard_get_status( VCardFile *cardFile ) {
109 g_return_val_if_fail( cardFile != NULL, -1 );
110 return cardFile->retVal;
113 ItemFolder *vcard_get_root_folder( VCardFile *cardFile ) {
114 g_return_val_if_fail( cardFile != NULL, NULL );
115 return addrcache_get_root_folder( cardFile->addressCache );
117 gchar *vcard_get_name( VCardFile *cardFile ) {
118 g_return_val_if_fail( cardFile != NULL, NULL );
119 return addrcache_get_name( cardFile->addressCache );
123 * Create new cardfile object for specified file.
125 static VCardFile *vcard_create_path( const gchar *path ) {
127 cardFile = vcard_create();
128 vcard_set_file(cardFile, path);
133 * Free up cardfile object by releasing internal memory.
135 void vcard_free( VCardFile *cardFile ) {
136 g_return_if_fail( cardFile != NULL );
139 if( cardFile->file ) fclose( cardFile->file );
142 addrcache_clear( cardFile->addressCache );
143 addrcache_free( cardFile->addressCache );
145 /* Free internal stuff */
146 g_free( cardFile->path );
149 cardFile->file = NULL;
150 cardFile->path = NULL;
151 cardFile->bufptr = NULL;
153 cardFile->type = ADBOOKTYPE_NONE;
154 cardFile->addressCache = NULL;
155 cardFile->retVal = MGU_SUCCESS;
157 /* Now release file object */
162 * Open file for read.
163 * return: TRUE if file opened successfully.
165 static gint vcard_open_file( VCardFile* cardFile ) {
166 g_return_val_if_fail( cardFile != NULL, -1 );
168 /* g_print( "Opening file\n" ); */
169 cardFile->addressCache->dataRead = FALSE;
170 if( cardFile->path ) {
171 cardFile->file = g_fopen( cardFile->path, "rb" );
172 if( ! cardFile->file ) {
173 /* g_printerr( "can't open %s\n", cardFile->path ); */
174 cardFile->retVal = MGU_OPEN_FILE;
175 return cardFile->retVal;
179 /* g_printerr( "file not specified\n" ); */
180 cardFile->retVal = MGU_NO_FILE;
181 return cardFile->retVal;
184 /* Setup a buffer area */
185 cardFile->buffer[0] = '\0';
186 cardFile->bufptr = cardFile->buffer;
187 cardFile->retVal = MGU_SUCCESS;
188 return cardFile->retVal;
194 static void vcard_close_file( VCardFile *cardFile ) {
195 g_return_if_fail( cardFile != NULL );
196 if( cardFile->file ) fclose( cardFile->file );
197 cardFile->file = NULL;
201 * Read line of text from file.
202 * Return: ptr to buffer where line starts.
204 static gchar *vcard_read_line( VCardFile *cardFile ) {
205 while( *cardFile->bufptr == '\n' || *cardFile->bufptr == '\0' ) {
206 if( fgets( cardFile->buffer, VCARDBUFSIZE, cardFile->file ) == NULL )
208 g_strstrip( cardFile->buffer );
209 cardFile->bufptr = cardFile->buffer;
211 return cardFile->bufptr;
215 * Read line of text from file.
216 * Return: ptr to buffer where line starts.
218 static gchar *vcard_get_line( VCardFile *cardFile ) {
219 gchar buf[ VCARDBUFSIZE ];
223 if (vcard_read_line( cardFile ) == NULL ) {
228 /* Copy into private buffer */
229 start = cardFile->bufptr;
230 len = strlen( start );
232 strncpy( buf, start, len );
235 cardFile->bufptr = end + 1;
237 /* Return a copy of buffer */
238 return g_strdup( buf );
242 * Free linked lists of character strings.
244 static void vcard_free_lists( GSList *listName, GSList *listAddr, GSList *listRem, GSList* listID ) {
245 mgu_free_list( listName );
246 mgu_free_list( listAddr );
247 mgu_free_list( listRem );
248 mgu_free_list( listID );
252 * Read quoted-printable text, which may span several lines into one long string.
253 * Param: cardFile - object.
254 * Param: tagvalue - will be placed into the linked list.
256 static gchar *vcard_read_qp( VCardFile *cardFile, char *tagvalue ) {
257 GSList *listQP = NULL;
259 gchar *line = tagvalue;
261 listQP = g_slist_append( listQP, line );
262 len = strlen( line ) - 1;
263 if( line[ len ] != '=' ) break;
265 line = vcard_get_line( cardFile );
268 /* Coalesce linked list into one long buffer. */
269 line = mgu_list_coalesce( listQP );
272 mgu_free_list( listQP );
278 * Parse tag name from line buffer.
279 * Return: Buffer containing the tag name, or NULL if no delimiter char found.
281 static gchar *vcard_get_tagname( char* line, gchar dlm ) {
289 tag = g_strndup( line, len+1 );
299 * Parse tag value from line buffer.
300 * Return: Buffer containing the tag value. Empty string is returned if
301 * no delimiter char found.
303 static gchar *vcard_get_tagvalue( gchar* line, gchar dlm ) {
309 for( lptr = line; *lptr; lptr++ ) {
317 value = g_strndup( start, len+1 );
320 /* Ensure that we get an empty string */
321 value = g_strndup( "", 1 );
328 * Build an address list entry and append to list of address items.
330 static void vcard_build_items(
331 VCardFile *cardFile, GSList *listName, GSList *listAddr,
332 GSList *listRem, GSList *listID )
334 GSList *nodeName = listName;
335 GSList *nodeID = listID;
338 GSList *nodeAddress = listAddr;
339 GSList *nodeRemarks = listRem;
340 ItemPerson *person = addritem_create_item_person();
341 addritem_person_set_common_name( person, nodeName->data );
342 while( nodeAddress ) {
343 str = nodeAddress->data;
345 ItemEMail *email = addritem_create_item_email();
346 addritem_email_set_address( email, str );
347 str = nodeRemarks->data;
350 if( g_utf8_collate( str, "internet" ) != 0 ) {
352 addritem_email_set_remarks( email, str );
356 addrcache_id_email( cardFile->addressCache, email );
357 addrcache_person_add_email( cardFile->addressCache, person, email );
359 nodeAddress = g_slist_next( nodeAddress );
360 nodeRemarks = g_slist_next( nodeRemarks );
362 if( person->listEMail ) {
363 addrcache_id_person( cardFile->addressCache, person );
364 addrcache_add_person( cardFile->addressCache, person );
367 addritem_person_set_external_id( person, str );
371 addritem_free_item_person( person );
373 nodeName = g_slist_next( nodeName );
374 nodeID = g_slist_next( nodeID );
378 /* Unescape characters in quoted-printable string. */
379 static gchar *vcard_unescape_qp( gchar *value ) {
387 qp_decode_const(res, len-1, value);
388 if (!g_utf8_validate(res, -1, NULL)) {
389 gchar *mybuf = g_malloc(strlen(res)*2 +1);
390 conv_localetodisp(mybuf, strlen(res)*2 +1, res);
398 * Read file data into root folder.
399 * Note that one vCard can have multiple E-Mail addresses (MAIL tags);
400 * these are broken out into separate address items. An address item
401 * is generated for the person identified by FN tag and each EMAIL tag.
402 * If a sub-type is included in the EMAIL entry, this will be used as
403 * the Remarks member. Also note that it is possible for one vCard
404 * entry to have multiple FN tags; this might not make sense. However,
405 * it will generate duplicate address entries for each person listed.
407 static void vcard_read_file( VCardFile *cardFile ) {
408 gchar *tagtemp = NULL, *tagname = NULL, *tagvalue = NULL, *tagtype = NULL;
409 GSList *listName = NULL, *listAddress = NULL, *listRemarks = NULL, *listID = NULL;
410 /* GSList *listQP = NULL; */
413 gchar *line = vcard_get_line( cardFile );
414 if( line == NULL ) break;
416 /* g_print( "%s\n", line ); */
419 tagtemp = vcard_get_tagname( line, VCARD_SEP_TAG );
420 if( tagtemp == NULL ) {
425 /* g_print( "\ttemp: %s\n", tagtemp ); */
426 tagvalue = vcard_get_tagvalue( line, VCARD_SEP_TAG );
427 if( tagvalue == NULL ) {
433 tagname = vcard_get_tagname( tagtemp, VCARD_SEP_TYPE );
434 tagtype = vcard_get_tagvalue( tagtemp, VCARD_SEP_TYPE );
435 if( tagname == NULL ) {
440 /* g_print( "\tname: %s\n", tagname ); */
441 /* g_print( "\ttype: %s\n", tagtype ); */
442 /* g_print( "\tvalue: %s\n", tagvalue ); */
444 if( g_utf8_collate( tagtype, VCARD_TYPE_QP ) == 0 ) {
446 /* Quoted-Printable: could span multiple lines */
447 tagvalue = vcard_read_qp( cardFile, tagvalue );
448 tmp = vcard_unescape_qp( tagvalue );
451 /* g_print( "QUOTED-PRINTABLE !!! final\n>%s<\n", tagvalue ); */
454 if( g_utf8_collate( tagname, VCARD_TAG_START ) == 0 &&
455 g_ascii_strcasecmp( tagvalue, VCARD_NAME ) == 0 ) {
456 /* g_print( "start card\n" ); */
457 vcard_free_lists( listName, listAddress, listRemarks, listID );
458 listName = listAddress = listRemarks = listID = NULL;
460 if( g_utf8_collate( tagname, VCARD_TAG_FULLNAME ) == 0 ) {
461 /* g_print( "- full name: %s\n", tagvalue ); */
462 listName = g_slist_append( listName, g_strdup( tagvalue ) );
464 if( g_utf8_collate( tagname, VCARD_TAG_EMAIL ) == 0 ) {
465 /* g_print( "- address: %s\n", tagvalue ); */
466 listAddress = g_slist_append( listAddress, g_strdup( tagvalue ) );
467 listRemarks = g_slist_append( listRemarks, g_strdup( tagtype ) );
469 if( g_utf8_collate( tagname, VCARD_TAG_UID ) == 0 ) {
470 /* g_print( "- id: %s\n", tagvalue ); */
471 listID = g_slist_append( listID, g_strdup( tagvalue ) );
473 if( g_utf8_collate( tagname, VCARD_TAG_END ) == 0 &&
474 g_ascii_strcasecmp( tagvalue, VCARD_NAME ) == 0 ) {
475 /* vCard is complete */
476 /* g_print( "end card\n--\n" ); */
477 /* vcard_dump_lists( listName, listAddress, listRemarks, listID, stdout ); */
478 vcard_build_items( cardFile, listName, listAddress, listRemarks, listID );
479 vcard_free_lists( listName, listAddress, listRemarks, listID );
480 listName = listAddress = listRemarks = listID = NULL;
492 vcard_free_lists( listName, listAddress, listRemarks, listID );
493 listName = listAddress = listRemarks = listID = NULL;
496 /* ============================================================================================ */
498 * Read file into list. Main entry point
499 * Return: TRUE if file read successfully.
501 /* ============================================================================================ */
502 gint vcard_read_data( VCardFile *cardFile ) {
503 g_return_val_if_fail( cardFile != NULL, -1 );
505 cardFile->retVal = MGU_SUCCESS;
506 cardFile->addressCache->accessFlag = FALSE;
507 if( addrcache_check_file( cardFile->addressCache, cardFile->path ) ) {
508 addrcache_clear( cardFile->addressCache );
509 vcard_open_file( cardFile );
510 if( cardFile->retVal == MGU_SUCCESS ) {
511 /* Read data into the list */
512 vcard_read_file( cardFile );
513 vcard_close_file( cardFile );
516 addrcache_mark_file( cardFile->addressCache, cardFile->path );
517 cardFile->addressCache->modified = FALSE;
518 cardFile->addressCache->dataRead = TRUE;
521 return cardFile->retVal;
525 * Return link list of persons.
527 GList *vcard_get_list_person( VCardFile *cardFile ) {
528 g_return_val_if_fail( cardFile != NULL, NULL );
529 return addrcache_get_list_person( cardFile->addressCache );
533 * Return link list of folders. This is always NULL since there are
534 * no folders in GnomeCard.
537 GList *vcard_get_list_folder( VCardFile *cardFile ) {
538 g_return_val_if_fail( cardFile != NULL, NULL );
543 * Return link list of all persons. Note that the list contains references
544 * to items. Do *NOT* attempt to use the addrbook_free_xxx() functions...
545 * this will destroy the addressbook data!
546 * Return: List of items, or NULL if none.
548 GList *vcard_get_all_persons( VCardFile *cardFile ) {
549 g_return_val_if_fail( cardFile != NULL, NULL );
550 return addrcache_get_all_persons( cardFile->addressCache );
553 #define WORK_BUFLEN 1024
556 * Attempt to find a valid GnomeCard file.
557 * Return: Filename, or home directory if not found. Filename should
558 * be g_free() when done.
560 gchar *vcard_find_gnomecard( void ) {
561 const gchar *homedir;
562 gchar buf[ WORK_BUFLEN ];
563 gchar str[ WORK_BUFLEN ];
568 homedir = get_home_dir();
569 if( ! homedir ) return NULL;
571 strcpy( str, homedir );
574 if( str[ len-1 ] != G_DIR_SEPARATOR ) {
575 str[ len ] = G_DIR_SEPARATOR;
579 strcat( str, GNOMECARD_DIR );
580 strcat( str, G_DIR_SEPARATOR_S );
581 strcat( str, GNOMECARD_FILE );
584 if( ( fp = g_fopen( str, "rb" ) ) != NULL ) {
585 /* Read configuration file */
586 lenlbl = strlen( GNOMECARD_SECTION );
587 while( fgets( buf, sizeof( buf ), fp ) != NULL ) {
588 if( 0 == g_ascii_strncasecmp( buf, GNOMECARD_SECTION, lenlbl ) ) {
593 while( fgets( buf, sizeof( buf ), fp ) != NULL ) {
595 if( buf[0] == '[' ) break;
596 for( i = 0; i < lenlbl; i++ ) {
597 if( buf[i] == '=' ) {
598 if( 0 == g_ascii_strncasecmp( buf, GNOMECARD_PARAM, i ) ) {
599 fileSpec = g_strdup( buf + i + 1 );
600 g_strstrip( fileSpec );
608 if( fileSpec == NULL ) {
609 /* Use the home directory */
611 fileSpec = g_strdup( str );
618 * Attempt to read file, testing for valid vCard format.
619 * Return: TRUE if file appears to be valid format.
621 gint vcard_test_read_file( const gchar *fileSpec ) {
623 gchar *tagtemp = NULL, *tagname = NULL, *tagvalue = NULL, *tagtype = NULL, *line;
627 if( ! fileSpec ) return MGU_NO_FILE;
629 cardFile = vcard_create_path( fileSpec );
630 cardFile->retVal = MGU_SUCCESS;
631 vcard_open_file( cardFile );
632 if( cardFile->retVal == MGU_SUCCESS ) {
633 cardFile->retVal = MGU_BAD_FORMAT;
635 lines = VCARD_TEST_LINES;
638 if( ( line = vcard_get_line( cardFile ) ) == NULL ) break;
641 tagtemp = vcard_get_tagname( line, VCARD_SEP_TAG );
642 if( tagtemp == NULL ) {
647 tagvalue = vcard_get_tagvalue( line, VCARD_SEP_TAG );
648 if( tagvalue == NULL ) {
654 tagname = vcard_get_tagname( tagtemp, VCARD_SEP_TYPE );
655 tagtype = vcard_get_tagvalue( tagtemp, VCARD_SEP_TYPE );
656 if( tagname == NULL ) {
661 if( g_utf8_collate( tagtype, VCARD_TYPE_QP ) == 0 ) {
663 /* Quoted-Printable: could span multiple lines */
664 tagvalue = vcard_read_qp( cardFile, tagvalue );
665 tmp = vcard_unescape_qp( tagvalue );
669 if( g_utf8_collate( tagname, VCARD_TAG_START ) == 0 &&
670 g_ascii_strcasecmp( tagvalue, VCARD_NAME ) == 0 ) {
673 if( g_utf8_collate( tagname, VCARD_TAG_END ) == 0 &&
674 g_ascii_strcasecmp( tagvalue, VCARD_NAME ) == 0 ) {
675 /* vCard is complete */
676 if( haveStart ) cardFile->retVal = MGU_SUCCESS;
685 vcard_close_file( cardFile );
687 retVal = cardFile->retVal;
688 vcard_free( cardFile );