friendlist.c 29.5 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
/*
linphone
Copyright (C) 2010-2015 Belledonne Communications SARL

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "linphonecore.h"
#include "private.h"

johan's avatar
johan committed
23
#include <bctoolbox/crypto.h>
24

25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(LinphoneFriendListCbs);

BELLE_SIP_INSTANCIATE_VPTR(LinphoneFriendListCbs, belle_sip_object_t,
	NULL, // destroy
	NULL, // clone
	NULL, // Marshall
	FALSE
);

static LinphoneFriendListCbs * linphone_friend_list_cbs_new(void) {
	return belle_sip_object_new(LinphoneFriendListCbs);
}

LinphoneFriendListCbs * linphone_friend_list_get_callbacks(const LinphoneFriendList *list) {
	return list->cbs;
}

LinphoneFriendListCbs * linphone_friend_list_cbs_ref(LinphoneFriendListCbs *cbs) {
	belle_sip_object_ref(cbs);
	return cbs;
}

void linphone_friend_list_cbs_unref(LinphoneFriendListCbs *cbs) {
	belle_sip_object_unref(cbs);
}

void *linphone_friend_list_cbs_get_user_data(const LinphoneFriendListCbs *cbs) {
	return cbs->user_data;
}

void linphone_friend_list_cbs_set_user_data(LinphoneFriendListCbs *cbs, void *ud) {
	cbs->user_data = ud;
}

59
LinphoneFriendListCbsContactCreatedCb linphone_friend_list_cbs_get_contact_created(const LinphoneFriendListCbs *cbs) {
60 61 62
	return cbs->contact_created_cb;
}

63
void linphone_friend_list_cbs_set_contact_created(LinphoneFriendListCbs *cbs, LinphoneFriendListCbsContactCreatedCb cb) {
64 65 66
	cbs->contact_created_cb = cb;
}

67
LinphoneFriendListCbsContactDeletedCb linphone_friend_list_cbs_get_contact_deleted(const LinphoneFriendListCbs *cbs) {
68 69 70
	return cbs->contact_deleted_cb;
}

71
void linphone_friend_list_cbs_set_contact_deleted(LinphoneFriendListCbs *cbs, LinphoneFriendListCbsContactDeletedCb cb) {
72 73
	cbs->contact_deleted_cb = cb;
}
74

75
LinphoneFriendListCbsContactUpdatedCb linphone_friend_list_cbs_get_contact_updated(const LinphoneFriendListCbs *cbs) {
76 77 78
	return cbs->contact_updated_cb;
}

79
void linphone_friend_list_cbs_set_contact_updated(LinphoneFriendListCbs *cbs, LinphoneFriendListCbsContactUpdatedCb cb) {
80 81 82
	cbs->contact_updated_cb = cb;
}

83
LinphoneFriendListCbsSyncStateChangedCb linphone_friend_list_cbs_get_sync_status_changed(const LinphoneFriendListCbs *cbs) {
84 85 86
	return cbs->sync_state_changed_cb;
}

87
void linphone_friend_list_cbs_set_sync_status_changed(LinphoneFriendListCbs *cbs, LinphoneFriendListCbsSyncStateChangedCb cb) {
88 89 90
	cbs->sync_state_changed_cb = cb;
}

91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124
static char * create_resource_list_xml(const LinphoneFriendList *list) {
	char *xml_content = NULL;
	MSList *elem;
	xmlBufferPtr buf;
	xmlTextWriterPtr writer;
	int err;

	if (ms_list_size(list->friends) <= 0) return NULL;

	buf = xmlBufferCreate();
	if (buf == NULL) {
		ms_error("%s: Error creating the XML buffer", __FUNCTION__);
		return NULL;
	}
	writer = xmlNewTextWriterMemory(buf, 0);
	if (writer == NULL) {
		ms_error("%s: Error creating the XML writer", __FUNCTION__);
		return NULL;
	}

	xmlTextWriterSetIndent(writer,1);
	err = xmlTextWriterStartDocument(writer, "1.0", "UTF-8", NULL);
	if (err >= 0) {
		err = xmlTextWriterStartElementNS(writer, NULL, (const xmlChar *)"resource-lists", (const xmlChar *)"urn:ietf:params:xml:ns:resource-lists");
	}
	if (err >= 0) {
		err = xmlTextWriterWriteAttributeNS(writer, (const xmlChar *)"xmlns", (const xmlChar *)"xsi",
						    NULL, (const xmlChar *)"http://www.w3.org/2001/XMLSchema-instance");
	}

	if (err>= 0) {
		err = xmlTextWriterStartElement(writer, (const xmlChar *)"list");
	}
	for (elem = list->friends; elem != NULL; elem = elem->next) {
125 126
		LinphoneFriend *lf = (LinphoneFriend *)elem->data;
		char *uri = linphone_address_as_string_uri_only(lf->uri);
127 128 129 130 131 132 133 134 135 136
		if (err >= 0) {
			err = xmlTextWriterStartElement(writer, (const xmlChar *)"entry");
		}
		if (err >= 0) {
			err = xmlTextWriterWriteAttribute(writer, (const xmlChar *)"uri", (const xmlChar *)uri);
		}
		if (err >= 0) {
			/* Close the "entry" element. */
			err = xmlTextWriterEndElement(writer);
		}
Ghislain MARY's avatar
Ghislain MARY committed
137
		if (uri) ms_free(uri);
138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160
	}
	if (err >= 0) {
		/* Close the "list" element. */
		err = xmlTextWriterEndElement(writer);
	}

	if (err >= 0) {
		/* Close the "resource-lists" element. */
		err = xmlTextWriterEndElement(writer);
	}
	if (err >= 0) {
		err = xmlTextWriterEndDocument(writer);
	}
	if (err > 0) {
		/* xmlTextWriterEndDocument returns the size of the content. */
		xml_content = ms_strdup((char *)buf->content);
	}
	xmlFreeTextWriter(writer);
	xmlBufferFree(buf);

	return xml_content;
}

161 162 163 164 165 166
static void linphone_friend_list_parse_multipart_related_body(LinphoneFriendList *list, const LinphoneContent *body, const char *first_part_body) {
	xmlparsing_context_t *xml_ctx = linphone_xmlparsing_context_new();
	xmlSetGenericErrorFunc(xml_ctx, linphone_xmlparsing_genericxml_error);
	xml_ctx->doc = xmlReadDoc((const unsigned char*)first_part_body, 0, NULL, 0);
	if (xml_ctx->doc != NULL) {
		char xpath_str[MAX_XPATH_LENGTH];
167
		LinphoneFriend *lf;
168 169
		LinphoneContent *presence_part;
		xmlXPathObjectPtr resource_object;
170 171
		const char *version_str = NULL;
		const char *full_state_str = NULL;
172
		const char *uri = NULL;
173 174
		bool_t full_state = FALSE;
		int version;
175 176 177 178
		int i;

		if (linphone_create_xml_xpath_context(xml_ctx) < 0) goto end;
		xmlXPathRegisterNs(xml_ctx->xpath_ctx, (const xmlChar *)"rlmi", (const xmlChar *)"urn:ietf:params:xml:ns:rlmi");
179 180 181 182 183 184 185

		version_str = linphone_get_xml_attribute_text_content(xml_ctx, "/rlmi:list", "version");
		if (version_str == NULL) {
			ms_warning("rlmi+xml: No version attribute in list");
			goto end;
		}
		version = atoi(version_str);
Ghislain MARY's avatar
Ghislain MARY committed
186
		linphone_free_xml_text_content(version_str);
187 188
		if (version < list->expected_notification_version) {
			ms_warning("rlmi+xml: Discarding received notification with version %d because %d was expected", version, list->expected_notification_version);
189
			linphone_friend_list_update_subscriptions(list, NULL, FALSE); /* Refresh subscription to get new full state notify. */
190 191 192 193 194 195 196 197 198 199 200
			goto end;
		}

		full_state_str = linphone_get_xml_attribute_text_content(xml_ctx, "/rlmi:list", "fullState");
		if (full_state_str == NULL) {
			ms_warning("rlmi+xml: No fullState attribute in list");
			goto end;
		}
		if ((strcmp(full_state_str, "true") == 0) || (strcmp(full_state_str, "1") == 0)) {
			MSList *l = list->friends;
			for (; l != NULL; l = l->next) {
201 202
				lf = (LinphoneFriend *)l->data;
				linphone_friend_set_presence_model(lf, NULL);
203 204 205 206 207 208 209 210 211 212
			}
			full_state = TRUE;
		}
		linphone_free_xml_text_content(full_state_str);
		if ((list->expected_notification_version == 0) && (full_state == FALSE)) {
			ms_warning("rlmi+xml: Notification with version 0 is not full state, this is not valid");
			goto end;
		}
		list->expected_notification_version = version + 1;

213 214 215 216 217 218
		resource_object = linphone_get_xml_xpath_object_for_node_list(xml_ctx, "/rlmi:list/rlmi:resource");
		if ((resource_object != NULL) && (resource_object->nodesetval != NULL)) {
			for (i = 1; i <= resource_object->nodesetval->nodeNr; i++) {
				snprintf(xpath_str, sizeof(xpath_str), "/rlmi:list/rlmi:resource[%i]/@uri", i);
				uri = linphone_get_xml_text_content(xml_ctx, xpath_str);
				if (uri == NULL) continue;
219 220
				lf = linphone_friend_list_find_friend_by_uri(list, uri);
				if (lf != NULL) {
221 222 223 224 225 226 227 228 229 230 231 232 233 234 235
					const char *state = NULL;
					snprintf(xpath_str, sizeof(xpath_str),"/rlmi:list/rlmi:resource[%i]/rlmi:instance/@state", i);
					state = linphone_get_xml_text_content(xml_ctx, xpath_str);
					if ((state != NULL) && (strcmp(state, "active") == 0)) {
						const char *cid = NULL;
						snprintf(xpath_str, sizeof(xpath_str),"/rlmi:list/rlmi:resource[%i]/rlmi:instance/@cid", i);
						cid = linphone_get_xml_text_content(xml_ctx, xpath_str);
						if (cid != NULL) {
							presence_part = linphone_content_find_part_by_header(body, "Content-Id", cid);
							if (presence_part == NULL) {
								ms_warning("rlmi+xml: Cannot find part with Content-Id: %s", cid);
							} else {
								SalPresenceModel *presence = NULL;
								linphone_notify_parse_presence(linphone_content_get_type(presence_part), linphone_content_get_subtype(presence_part), linphone_content_get_string_buffer(presence_part), &presence);
								if (presence != NULL) {
236 237
									lf->presence_received = TRUE;
									linphone_friend_set_presence_model(lf, (LinphonePresenceModel *)presence);
238
									if (full_state == FALSE) {
239
										linphone_core_notify_notify_presence_received(list->lc, lf);
240
									}
241
								}
Ghislain MARY's avatar
Ghislain MARY committed
242
								linphone_content_unref(presence_part);
243 244 245 246 247
							}
						}
						if (cid != NULL) linphone_free_xml_text_content(cid);
					}
					if (state != NULL) linphone_free_xml_text_content(state);
248
					lf->subscribe_active = TRUE;
249 250 251 252 253
				}
				linphone_free_xml_text_content(uri);
			}
		}
		if (resource_object != NULL) xmlXPathFreeObject(resource_object);
254 255 256 257

		if (full_state == TRUE) {
			MSList *l = list->friends;
			for (; l != NULL; l = l->next) {
258 259 260
				lf = (LinphoneFriend *)l->data;
				if (linphone_friend_is_presence_received(lf) == TRUE) {
					linphone_core_notify_notify_presence_received(list->lc, lf);
261 262 263
				}
			}
		}
264 265 266 267 268 269 270 271
	} else {
		ms_warning("Wrongly formatted rlmi+xml body: %s", xml_ctx->errorBuffer);
	}

end:
	linphone_xmlparsing_context_destroy(xml_ctx);
}

272 273 274 275
static bool_t linphone_friend_list_has_subscribe_inactive(const LinphoneFriendList *list) {
	MSList *l = list->friends;
	bool_t has_subscribe_inactive = FALSE;
	for (; l != NULL; l = l->next) {
276 277
		LinphoneFriend *lf = (LinphoneFriend *)l->data;
		if (lf->subscribe_active != TRUE) {
278 279 280 281 282 283 284
			has_subscribe_inactive = TRUE;
			break;
		}
	}
	return has_subscribe_inactive;
}

285 286
static LinphoneFriendList * linphone_friend_list_new(void) {
	LinphoneFriendList *list = belle_sip_object_new(LinphoneFriendList);
287
	list->cbs = linphone_friend_list_cbs_new();
288 289 290 291
	belle_sip_object_ref(list);
	return list;
}

292 293 294
static void linphone_friend_list_destroy(LinphoneFriendList *list) {
	if (list->display_name != NULL) ms_free(list->display_name);
	if (list->rls_uri != NULL) ms_free(list->rls_uri);
295
	if (list->content_digest != NULL) ms_free(list->content_digest);
296 297 298 299
	if (list->event != NULL) {
		linphone_event_terminate(list->event);
		linphone_event_unref(list->event);
	}
300 301
	if (list->uri != NULL) ms_free(list->uri);
	if (list->cbs) linphone_friend_list_cbs_unref(list->cbs);
Sylvain Berfini's avatar
Sylvain Berfini committed
302 303
	if (list->dirty_friends_to_update) list->dirty_friends_to_update = ms_list_free_with_data(list->dirty_friends_to_update, (void (*)(void *))linphone_friend_unref);
	if (list->friends) list->friends = ms_list_free_with_data(list->friends, (void (*)(void *))_linphone_friend_release);
304 305 306 307 308 309 310 311 312 313 314 315
}

BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(LinphoneFriendList);

BELLE_SIP_INSTANCIATE_VPTR(LinphoneFriendList, belle_sip_object_t,
	(belle_sip_object_destroy_t)linphone_friend_list_destroy,
	NULL, // clone
	NULL, // marshal
	TRUE
);


316 317 318
LinphoneFriendList * linphone_core_create_friend_list(LinphoneCore *lc) {
	LinphoneFriendList *list = linphone_friend_list_new();
	list->lc = lc;
319 320 321 322 323 324 325 326
	return list;
}

LinphoneFriendList * linphone_friend_list_ref(LinphoneFriendList *list) {
	belle_sip_object_ref(list);
	return list;
}

327 328 329
void _linphone_friend_list_release(LinphoneFriendList *list){
	/*drops all references to core and unref*/
	list->lc = NULL;
Simon Morlat's avatar
Simon Morlat committed
330 331 332 333
	if (list->event != NULL) {
		linphone_event_unref(list->event);
		list->event = NULL;
	}
334 335 336 337
	if (list->cbs) {
		linphone_friend_list_cbs_unref(list->cbs);
		list->cbs = NULL;
	}
338 339 340 341 342 343
	if (list->dirty_friends_to_update) {
		list->dirty_friends_to_update = ms_list_free_with_data(list->dirty_friends_to_update, (void (*)(void *))linphone_friend_unref);
	}
	if (list->friends) {
		list->friends = ms_list_free_with_data(list->friends, (void (*)(void *))_linphone_friend_release);
	}
344
	linphone_friend_list_unref(list);
345 346
}

347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369
void linphone_friend_list_unref(LinphoneFriendList *list) {
	belle_sip_object_unref(list);
}

void * linphone_friend_list_get_user_data(const LinphoneFriendList *list) {
	return list->user_data;
}

void linphone_friend_list_set_user_data(LinphoneFriendList *list, void *ud) {
	list->user_data = ud;
}

const char * linphone_friend_list_get_display_name(const LinphoneFriendList *list) {
	return list->display_name;
}

void linphone_friend_list_set_display_name(LinphoneFriendList *list, const char *display_name) {
	if (list->display_name != NULL) {
		ms_free(list->display_name);
		list->display_name = NULL;
	}
	if (display_name != NULL) {
		list->display_name = ms_strdup(display_name);
370
		linphone_core_store_friends_list_in_db(list->lc, list);
371 372 373 374 375 376 377 378 379 380 381 382 383 384
	}
}

const char * linphone_friend_list_get_rls_uri(const LinphoneFriendList *list) {
	return list->rls_uri;
}

void linphone_friend_list_set_rls_uri(LinphoneFriendList *list, const char *rls_uri) {
	if (list->rls_uri != NULL) {
		ms_free(list->rls_uri);
		list->rls_uri = NULL;
	}
	if (rls_uri != NULL) {
		list->rls_uri = ms_strdup(rls_uri);
385
		linphone_core_store_friends_list_in_db(list->lc, list);
386 387 388
	}
}

389
static LinphoneFriendListStatus _linphone_friend_list_add_friend(LinphoneFriendList *list, LinphoneFriend *lf, bool_t synchronize) {
Sylvain Berfini's avatar
Sylvain Berfini committed
390 391 392
	if (!list || !lf->uri || lf->friend_list) {
		if (!list)
			ms_error("linphone_friend_list_add_friend(): invalid list, null");
393
		if (!lf->uri)
394
			ms_error("linphone_friend_list_add_friend(): invalid friend, no sip uri");
395
		if (lf->friend_list)
396
			ms_error("linphone_friend_list_add_friend(): invalid friend, already in list");
Simon Morlat's avatar
Simon Morlat committed
397 398
		return LinphoneFriendListInvalidFriend;
	}
399
	if (ms_list_find(list->friends, lf) != NULL) {
400
		char *tmp = NULL;
401
		const LinphoneAddress *addr = linphone_friend_get_address(lf);
402 403 404 405
		if (addr) tmp = linphone_address_as_string(addr);
		ms_warning("Friend %s already in list [%s], ignored.", tmp ? tmp : "unknown", list->display_name);
		if (tmp) ms_free(tmp);
	} else {
406
		return linphone_friend_list_import_friend(list, lf, synchronize);
407 408 409 410
	}
	return LinphoneFriendListOK;
}

411 412 413 414 415 416 417 418
LinphoneFriendListStatus linphone_friend_list_add_friend(LinphoneFriendList *list, LinphoneFriend *lf) {
	return _linphone_friend_list_add_friend(list, lf, TRUE);
}

LinphoneFriendListStatus linphone_friend_list_add_local_friend(LinphoneFriendList *list, LinphoneFriend *lf) {
	return _linphone_friend_list_add_friend(list, lf, FALSE);
}

419 420 421 422 423 424
LinphoneFriendListStatus linphone_friend_list_import_friend(LinphoneFriendList *list, LinphoneFriend *lf, bool_t synchronize) {
	if (!lf->uri || lf->friend_list) {
		if (!lf->uri)
			ms_error("linphone_friend_list_add_friend(): invalid friend, no sip uri");
		if (lf->friend_list)
			ms_error("linphone_friend_list_add_friend(): invalid friend, already in list");
Sylvain Berfini's avatar
Sylvain Berfini committed
425 426
		return LinphoneFriendListInvalidFriend;
	}
427
	lf->friend_list = list;
428
	lf->lc = list->lc;
Sylvain Berfini's avatar
Sylvain Berfini committed
429
	list->friends = ms_list_append(list->friends, linphone_friend_ref(lf));
430 431 432
	if (synchronize) {
		list->dirty_friends_to_update = ms_list_append(list->dirty_friends_to_update, linphone_friend_ref(lf));
	}
433 434 435
#ifdef FRIENDS_SQL_STORAGE_ENABLED
	linphone_core_store_friend_in_db(lf->lc, lf);
#endif
436 437 438
	return LinphoneFriendListOK;
}

439 440 441 442
static void carddav_done(LinphoneCardDavContext *cdc, bool_t success, const char *msg) {	
	if (cdc && cdc->friend_list->cbs->sync_state_changed_cb) {
		cdc->friend_list->cbs->sync_state_changed_cb(cdc->friend_list, success ? LinphoneFriendListSyncSuccessful : LinphoneFriendListSyncFailure, msg);
	}
443 444 445
	linphone_carddav_context_destroy(cdc);
}

446
static LinphoneFriendListStatus _linphone_friend_list_remove_friend(LinphoneFriendList *list, LinphoneFriend *lf, bool_t remove_from_server) {
447
	MSList *elem = ms_list_find(list->friends, lf);
448
	if (elem == NULL) return LinphoneFriendListNonExistentFriend;
449 450

#ifdef FRIENDS_SQL_STORAGE_ENABLED
451 452 453
	if (lf && lf->lc && lf->lc->friends_db) {
		linphone_core_remove_friend_from_db(lf->lc, lf);
	}
454
#endif
455
	if (remove_from_server) {
456
		LinphoneVcard *lvc = linphone_friend_get_vcard(lf);
457 458
		if (lvc && linphone_vcard_get_uid(lvc)) {
			LinphoneCardDavContext *cdc = linphone_carddav_context_new(list);
459 460 461 462 463 464
			if (cdc) {
				cdc->sync_done_cb = carddav_done;
				if (cdc->friend_list->cbs->sync_state_changed_cb) {
					cdc->friend_list->cbs->sync_state_changed_cb(cdc->friend_list, LinphoneFriendListSyncStarted, NULL);
				}
				linphone_carddav_delete_vcard(cdc, lf);
465 466
			}
		}
467
	}
468
	
469 470 471 472
	lf->friend_list = NULL;
	linphone_friend_unref(lf);
	list->friends = ms_list_remove_link(list->friends, elem);
	return LinphoneFriendListOK;
473
}
474

475 476 477 478
LinphoneFriendListStatus linphone_friend_list_remove_friend(LinphoneFriendList *list, LinphoneFriend *lf) {
	return _linphone_friend_list_remove_friend(list, lf, TRUE);
}

479 480 481 482
const MSList * linphone_friend_list_get_friends(const LinphoneFriendList *list) {
	return list->friends;
}

483 484 485 486 487 488 489 490 491
void linphone_friend_list_update_dirty_friends(LinphoneFriendList *list) {
	LinphoneCardDavContext *cdc = linphone_carddav_context_new(list);
	MSList *dirty_friends = list->dirty_friends_to_update;
	
	if (cdc) {
		cdc->sync_done_cb = carddav_done;
		while (dirty_friends) {
			LinphoneFriend *lf = (LinphoneFriend *)dirty_friends->data;
			if (lf) {
492 493 494
				if (cdc->friend_list->cbs->sync_state_changed_cb) {
					cdc->friend_list->cbs->sync_state_changed_cb(cdc->friend_list, LinphoneFriendListSyncStarted, NULL);
				}
495 496 497 498
				linphone_carddav_put_vcard(cdc, lf);
			}
			dirty_friends = ms_list_next(dirty_friends);
		}
499
		list->dirty_friends_to_update = ms_list_free_with_data(list->dirty_friends_to_update, (void (*)(void *))linphone_friend_unref);
500 501 502 503
	}
}

static void carddav_created(LinphoneCardDavContext *cdc, LinphoneFriend *lf) {
504
	if (cdc) {
505
		LinphoneFriendList *lfl = cdc->friend_list;
506
		linphone_friend_list_import_friend(lfl, lf, FALSE);
507
		if (cdc->friend_list->cbs->contact_created_cb) {
508
			cdc->friend_list->cbs->contact_created_cb(lfl, lf);
509
		}
510 511 512 513
	}
}

static void carddav_removed(LinphoneCardDavContext *cdc, LinphoneFriend *lf) {
514
	if (cdc) {
515
		LinphoneFriendList *lfl = cdc->friend_list;
516
		_linphone_friend_list_remove_friend(lfl, lf, FALSE);
517
		if (cdc->friend_list->cbs->contact_deleted_cb) {
518
			cdc->friend_list->cbs->contact_deleted_cb(lfl, lf);
519
		}
520 521 522
	}
}

523
static void carddav_updated(LinphoneCardDavContext *cdc, LinphoneFriend *lf_new, LinphoneFriend *lf_old) {
524 525 526 527
	if (cdc) {
		LinphoneFriendList *lfl = cdc->friend_list;
		MSList *elem = ms_list_find(lfl->friends, lf_old);
		if (elem) {
528
			elem->data = linphone_friend_ref(lf_new);
529
		}
530 531
		linphone_core_store_friend_in_db(lf_new->lc, lf_new);
		
532 533 534
		if (cdc->friend_list->cbs->contact_updated_cb) {
			cdc->friend_list->cbs->contact_updated_cb(lfl, lf_new, lf_old);
		}
535
		linphone_friend_unref(lf_old);
536
	}
537 538
}

539 540 541 542 543 544
void linphone_friend_list_synchronize_friends_from_server(LinphoneFriendList *list) {
	LinphoneCardDavContext *cdc = linphone_carddav_context_new(list);
	
	if (cdc) {
		cdc->contact_created_cb = carddav_created;
		cdc->contact_removed_cb = carddav_removed;
545
		cdc->contact_updated_cb = carddav_updated;
546
		cdc->sync_done_cb = carddav_done;
547 548 549
		if (cdc && cdc->friend_list->cbs->sync_state_changed_cb) {
			cdc->friend_list->cbs->sync_state_changed_cb(cdc->friend_list, LinphoneFriendListSyncStarted, NULL);
		}
550 551 552 553
		linphone_carddav_synchronize(cdc);
	}
}

554
LinphoneFriend * linphone_friend_list_find_friend_by_address(const LinphoneFriendList *list, const LinphoneAddress *address) {
555
	LinphoneFriend *lf = NULL;
556 557
	const MSList *elem;
	for (elem = list->friends; elem != NULL; elem = elem->next) {
558 559 560
		lf = (LinphoneFriend *)elem->data;
		if (linphone_address_weak_equal(lf->uri, address))
			return lf;
561 562 563 564 565 566
	}
	return NULL;
}

LinphoneFriend * linphone_friend_list_find_friend_by_uri(const LinphoneFriendList *list, const char *uri) {
	LinphoneAddress *address = linphone_address_new(uri);
567
	LinphoneFriend *lf = address ? linphone_friend_list_find_friend_by_address(list, address) : NULL;
568
	if (address) linphone_address_unref(address);
569
	return lf;
570 571 572 573 574 575
}

LinphoneFriend * linphone_friend_list_find_friend_by_ref_key(const LinphoneFriendList *list, const char *ref_key) {
	const MSList *elem;
	if (ref_key == NULL) return NULL;
	for (elem = list->friends; elem != NULL; elem = elem->next) {
576 577
		LinphoneFriend *lf = (LinphoneFriend *)elem->data;
		if ((lf->refkey != NULL) && (strcmp(lf->refkey, ref_key) == 0)) return lf;
578 579 580 581 582 583 584
	}
	return NULL;
}

LinphoneFriend * linphone_friend_list_find_friend_by_inc_subscribe(const LinphoneFriendList *list, SalOp *op) {
	const MSList *elem;
	for (elem = list->friends; elem != NULL; elem = elem->next) {
585 586
		LinphoneFriend *lf = (LinphoneFriend *)elem->data;
		if (ms_list_find(lf->insubs, op)) return lf;
587 588 589 590 591 592 593
	}
	return NULL;
}

LinphoneFriend * linphone_friend_list_find_friend_by_out_subscribe(const LinphoneFriendList *list, SalOp *op) {
	const MSList *elem;
	for (elem = list->friends; elem != NULL; elem = elem->next) {
594 595
		LinphoneFriend *lf = (LinphoneFriend *)elem->data;
		if (lf->outsub && ((lf->outsub == op) || sal_op_is_forked_of(lf->outsub, op))) return lf;
596 597 598 599 600 601 602 603 604 605 606 607
	}
	return NULL;
}

void linphone_friend_list_close_subscriptions(LinphoneFriendList *list) {
	 /* FIXME we should wait until subscription to complete. */
	if (list->friends)
		ms_list_for_each(list->friends, (void (*)(void *))linphone_friend_close_subscriptions);
}

void linphone_friend_list_update_subscriptions(LinphoneFriendList *list, LinphoneProxyConfig *cfg, bool_t only_when_registered) {
	const MSList *elem;
608
	if (list->rls_uri != NULL) {
609 610
		LinphoneAddress *address = linphone_address_new(list->rls_uri);
		char *xml_content = create_resource_list_xml(list);
611
		if ((address != NULL) && (xml_content != NULL) && (linphone_friend_list_has_subscribe_inactive(list) == TRUE)) {
612
			unsigned char digest[16];
johan's avatar
johan committed
613
			bctoolbox_md5((unsigned char *)xml_content, strlen(xml_content), digest);
614 615 616 617 618 619 620 621 622 623 624 625 626 627 628
			if ((list->event != NULL) && (list->content_digest != NULL) && (memcmp(list->content_digest, digest, sizeof(digest)) == 0)) {
				/* The content has not changed, only refresh the event. */
				linphone_event_refresh_subscribe(list->event);
			} else {
				LinphoneContent *content;
				int expires = lp_config_get_int(list->lc->config, "sip", "rls_presence_expires", 3600);
				list->expected_notification_version = 0;
				if (list->content_digest != NULL) ms_free(list->content_digest);
				list->content_digest = ms_malloc(sizeof(digest));
				memcpy(list->content_digest, digest, sizeof(digest));
				if (list->event != NULL) {
					linphone_event_terminate(list->event);
					linphone_event_unref(list->event);
				}
				list->event = linphone_core_create_subscribe(list->lc, address, "presence", expires);
629
				linphone_event_ref(list->event);
630 631 632 633 634 635 636 637 638
				linphone_event_set_internal(list->event, TRUE);
				linphone_event_add_custom_header(list->event, "Require", "recipient-list-subscribe");
				linphone_event_add_custom_header(list->event, "Supported", "eventlist");
				linphone_event_add_custom_header(list->event, "Accept", "multipart/related, application/pidf+xml, application/rlmi+xml");
				linphone_event_add_custom_header(list->event, "Content-Disposition", "recipient-list");
				content = linphone_core_create_content(list->lc);
				linphone_content_set_type(content, "application");
				linphone_content_set_subtype(content, "resource-lists+xml");
				linphone_content_set_string_buffer(content, xml_content);
639 640 641 642
				if (linphone_core_content_encoding_supported(list->lc, "deflate")) {
					linphone_content_set_encoding(content, "deflate");
					linphone_event_add_custom_header(list->event, "Accept-Encoding", "deflate");
				}
643 644
				linphone_event_send_subscribe(list->event, content);
				linphone_content_unref(content);
645
				linphone_event_set_user_data(list->event, list);
646
			}
647 648 649 650 651
		}
		if (address != NULL) linphone_address_unref(address);
		if (xml_content != NULL) ms_free(xml_content);
	} else {
		for (elem = list->friends; elem != NULL; elem = elem->next) {
652 653
			LinphoneFriend *lf = (LinphoneFriend *)elem->data;
			linphone_friend_update_subscribes(lf, cfg, only_when_registered);
654
		}
655 656 657 658 659 660
	}
}

void linphone_friend_list_invalidate_subscriptions(LinphoneFriendList *list) {
	const MSList *elem;
	for (elem = list->friends; elem != NULL; elem = elem->next) {
661 662
		LinphoneFriend *lf = (LinphoneFriend *)elem->data;
		linphone_friend_invalidate_subscription(lf);
663 664 665 666 667 668
	}
}

void linphone_friend_list_notify_presence(LinphoneFriendList *list, LinphonePresenceModel *presence) {
	const MSList *elem;
	for(elem = list->friends; elem != NULL; elem = elem->next) {
669 670
		LinphoneFriend *lf = (LinphoneFriend *)elem->data;
		linphone_friend_notify(lf, presence);
671 672
	}
}
673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694

void linphone_friend_list_notify_presence_received(LinphoneFriendList *list, LinphoneEvent *lev, const LinphoneContent *body) {
	if (linphone_content_is_multipart(body)) {
		LinphoneContent *first_part;
		const char *type = linphone_content_get_type(body);
		const char *subtype = linphone_content_get_subtype(body);

		if ((strcmp(type, "multipart") != 0) || (strcmp(subtype, "related") != 0)) {
			ms_warning("multipart presence notified but it is not 'multipart/related'");
			return;
		}

		first_part = linphone_content_get_part(body, 0);
		if (first_part == NULL) {
			ms_warning("'multipart/related' presence notified but it doesn't contain any part");
			return;
		}

		type = linphone_content_get_type(first_part);
		subtype = linphone_content_get_subtype(first_part);
		if ((strcmp(type, "application") != 0) || (strcmp(subtype, "rlmi+xml") != 0)) {
			ms_warning("multipart presence notified but first part is not 'application/rlmi+xml'");
Ghislain MARY's avatar
Ghislain MARY committed
695
			linphone_content_unref(first_part);
696 697 698 699
			return;
		}

		linphone_friend_list_parse_multipart_related_body(list, body, linphone_content_get_string_buffer(first_part));
Ghislain MARY's avatar
Ghislain MARY committed
700
		linphone_content_unref(first_part);
701 702
	}
}
703 704 705 706 707 708 709 710 711 712 713 714

const char * linphone_friend_list_get_uri(const LinphoneFriendList *list) {
	return list->uri;
}

void linphone_friend_list_set_uri(LinphoneFriendList *list, const char *uri) {
	if (list->uri != NULL) {
		ms_free(list->uri);
		list->uri = NULL;
	}
	if (uri != NULL) {
		list->uri = ms_strdup(uri);
715
		linphone_core_store_friends_list_in_db(list->lc, list);
716 717 718 719 720
	}
}

void linphone_friend_list_update_revision(LinphoneFriendList *list, int rev) {
	list->revision = rev;
721
	linphone_core_store_friends_list_in_db(list->lc, list);
722 723
}

724 725 726 727 728 729 730 731 732 733 734 735
void linphone_friend_list_subscription_state_changed(LinphoneCore *lc, LinphoneEvent *lev, LinphoneSubscriptionState state) {
	LinphoneFriendList *list = (LinphoneFriendList *)linphone_event_get_user_data(lev);
	if (!list) {
		ms_warning("core [%p] Receiving unexpected state [%s] for event [%p], no associated friend list",lc
					, linphone_subscription_state_to_string(state)
				   , lev);
	} else {
		ms_message("Receiving new state [%s] for event [%p] for friend list [%p]"
				   , linphone_subscription_state_to_string(state)
				   , lev
				   , list);
		
736
		if (state == LinphoneSubscriptionOutgoingProgress && linphone_event_get_reason(lev) == LinphoneReasonNoMatch) {
737 738 739 740 741
			ms_message("Resseting version count for friend list [%p]",list);
			list->expected_notification_version = 0;
		}
	}
}
742 743 744 745

LinphoneCore* linphone_friend_list_get_core(LinphoneFriendList *list) {
	return list->lc;
}
746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764

int linphone_friend_list_import_friends_from_vcard4_file(LinphoneFriendList *list, const char *vcard_file) {
	MSList *vcards = linphone_vcard_list_from_vcard4_file(vcard_file);
	int count = 0;
	
#ifndef VCARD_ENABLED
	ms_error("vCard support wasn't enabled at compilation time");
	return -1;
#endif
	if (!vcards) {
		ms_error("Failed to parse the file %s", vcard_file);
		return -1;
	}
	if (!list) {
		ms_error("Can't import into a NULL list");
		return -1;
	}
	
	while (vcards != NULL && vcards->data != NULL) {
765
		LinphoneVcard *vcard = (LinphoneVcard *)vcards->data;
766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
		LinphoneFriend *lf = linphone_friend_new_from_vcard(vcard);
		if (lf) {
			if (LinphoneFriendListOK == linphone_friend_list_import_friend(list, lf, TRUE)) {
				count++;
			}
			linphone_friend_unref(lf);
		} else {
			linphone_vcard_free(vcard);
		}
		vcards = ms_list_next(vcards);
	}
#ifndef FRIENDS_SQL_STORAGE_ENABLED
	linphone_core_write_friends_config(list->lc);
#endif
	return count;
}

int linphone_friend_list_import_friends_from_vcard4_buffer(LinphoneFriendList *list, const char *vcard_buffer) {
	MSList *vcards = linphone_vcard_list_from_vcard4_buffer(vcard_buffer);
	int count = 0;
	
#ifndef VCARD_ENABLED
	ms_error("vCard support wasn't enabled at compilation time");
	return -1;
#endif
	if (!vcards) {
		ms_error("Failed to parse the buffer");
		return -1;
	}
	if (!list) {
		ms_error("Can't import into a NULL list");
		return -1;
	}
	
	while (vcards != NULL && vcards->data != NULL) {
801
		LinphoneVcard *vcard = (LinphoneVcard *)vcards->data;
802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822
		LinphoneFriend *lf = linphone_friend_new_from_vcard(vcard);
		if (lf) {
			if (LinphoneFriendListOK == linphone_friend_list_import_friend(list, lf, TRUE)) {
				count++;
			}
			linphone_friend_unref(lf);
		} else {
			linphone_vcard_free(vcard);
		}
		vcards = ms_list_next(vcards);
	}
#ifndef FRIENDS_SQL_STORAGE_ENABLED
	linphone_core_write_friends_config(list->lc);
#endif
	return count;
}

void linphone_friend_list_export_friends_as_vcard4_file(LinphoneFriendList *list, const char *vcard_file) {
	FILE *file = NULL;
	const MSList *friends = linphone_friend_list_get_friends(list);
	
823
	file = fopen(vcard_file, "wb");
824 825 826 827 828 829 830 831 832 833
	if (file == NULL) {
		ms_warning("Could not write %s ! Maybe it is read-only. Contacts will not be saved.", vcard_file);
		return;
	}
	
#ifndef VCARD_ENABLED
	ms_error("vCard support wasn't enabled at compilation time");
#endif
	while (friends != NULL && friends->data != NULL) {
		LinphoneFriend *lf = (LinphoneFriend *)friends->data;
834
		LinphoneVcard *vcard = linphone_friend_get_vcard(lf);
835 836 837 838 839 840 841 842 843 844 845
		if (vcard) {
			const char *vcard_text = linphone_vcard_as_vcard4_string(vcard);
			fprintf(file, "%s", vcard_text);
		} else {
			ms_warning("Couldn't export friend %s because it doesn't have a vCard attached", linphone_address_as_string(linphone_friend_get_address(lf)));
		}
		friends = ms_list_next(friends);
	}
	
	fclose(file);
}