1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * Copyright (C) 2003-2007 Imendio AB
4 * Copyright (C) 2007 Collabora Ltd.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of the
9 * License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public
17 * License along with this program; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
21 * Authors: Richard Hult <richard@imendio.com>
22 * Martyn Russell <martyn@imendio.com>
23 * Xavier Claessens <xclaesse@gmail.com>
30 #include <sys/types.h>
33 #include <glib/gi18n.h>
35 #include <libxml/uri.h>
36 #include <libtelepathy/tp-helpers.h>
38 #include "empathy-debug.h"
39 #include "empathy-utils.h"
40 #include "empathy-contact-manager.h"
41 #include "empathy-tp-group.h"
43 #define DEBUG_DOMAIN "Utils"
45 static void regex_init (void);
48 empathy_substring (const gchar *str,
52 return g_strndup (str + start, end - start);
56 * Regular Expression code to match urls.
58 #define USERCHARS "-A-Za-z0-9"
59 #define PASSCHARS "-A-Za-z0-9,?;.:/!%$^*&~\"#'"
60 #define HOSTCHARS "-A-Za-z0-9"
61 #define PATHCHARS "-A-Za-z0-9_$.+!*(),;:@&=?/~#%"
62 #define SCHEME "(news:|telnet:|nntp:|file:/|https?:|ftps?:|webcal:)"
63 #define USER "[" USERCHARS "]+(:["PASSCHARS "]+)?"
64 #define URLPATH "/[" PATHCHARS "]*[^]'.}>) \t\r\n,\\\"]"
66 static regex_t dingus[EMPATHY_REGEX_ALL];
71 static gboolean inited = FALSE;
72 const gchar *expression;
79 for (i = 0; i < EMPATHY_REGEX_ALL; i++) {
81 case EMPATHY_REGEX_AS_IS:
83 SCHEME "//(" USER "@)?[" HOSTCHARS ".]+"
84 "(:[0-9]+)?(" URLPATH ")?";
86 case EMPATHY_REGEX_BROWSER:
88 "(www|ftp)[" HOSTCHARS "]*\\.[" HOSTCHARS ".]+"
89 "(:[0-9]+)?(" URLPATH ")?";
91 case EMPATHY_REGEX_EMAIL:
93 "(mailto:)?[a-z0-9][a-z0-9.-]*@[a-z0-9]"
94 "[a-z0-9-]*(\\.[a-z0-9][a-z0-9-]*)+";
96 case EMPATHY_REGEX_OTHER:
98 "news:[-A-Z\\^_a-z{|}~!\"#$%&'()*+,./0-9;:=?`]+"
99 "@[" HOSTCHARS ".]+(:[0-9]+)?";
102 /* Silence the compiler. */
107 memset (&dingus[i], 0, sizeof (regex_t));
108 regcomp (&dingus[i], expression, REG_EXTENDED | REG_ICASE);
115 empathy_regex_match (EmpathyRegExType type,
120 regmatch_t matches[1];
122 gint num_matches = 0;
126 g_return_val_if_fail (type >= 0 || type <= EMPATHY_REGEX_ALL, 0);
130 while (!ret && type != EMPATHY_REGEX_ALL) {
131 ret = regexec (&dingus[type], msg + offset, 1, matches, 0);
137 s = matches[0].rm_so + offset;
138 offset = matches[0].rm_eo + offset;
140 g_array_append_val (start, s);
141 g_array_append_val (end, offset);
145 if (type != EMPATHY_REGEX_ALL) {
146 empathy_debug (DEBUG_DOMAIN,
147 "Found %d matches for regex type:%d",
152 /* If EMPATHY_REGEX_ALL then we run ALL regex's on the string. */
153 for (i = 0; i < EMPATHY_REGEX_ALL; i++, ret = 0) {
155 ret = regexec (&dingus[i], msg + offset, 1, matches, 0);
161 s = matches[0].rm_so + offset;
162 offset = matches[0].rm_eo + offset;
164 g_array_append_val (start, s);
165 g_array_append_val (end, offset);
170 empathy_debug (DEBUG_DOMAIN,
171 "Found %d matches for ALL regex types",
178 empathy_strcasecmp (const gchar *s1,
181 return empathy_strncasecmp (s1, s2, -1);
185 empathy_strncasecmp (const gchar *s1,
192 u1 = g_utf8_casefold (s1, n);
193 u2 = g_utf8_casefold (s2, n);
195 ret_val = g_utf8_collate (u1, u2);
202 /* Stolen from telepathy-glib */
204 empathy_strdiff (const gchar *left, const gchar *right)
206 if ((NULL == left) != (NULL == right))
209 else if (left == right)
213 return (0 != strcmp (left, right));
216 /* Stolen from telepathy-glib */
217 static inline gboolean
218 _esc_ident_bad (gchar c, gboolean is_first)
220 return ((c < 'a' || c > 'z') &&
221 (c < 'A' || c > 'Z') &&
222 (c < '0' || c > '9' || is_first));
225 /* Stolen from telepathy-glib */
227 empathy_escape_as_identifier (const gchar *name)
229 gboolean bad = FALSE;
232 const gchar *ptr, *first_ok;
234 g_return_val_if_fail (name != NULL, NULL);
236 for (ptr = name; *ptr; ptr++)
238 if (_esc_ident_bad (*ptr, ptr == name))
247 /* fast path if it's clean */
249 return g_strdup (name);
251 /* If strictly less than ptr, first_ok is the first uncopied safe character.
254 op = g_string_sized_new (len);
255 for (ptr = name; *ptr; ptr++)
257 if (_esc_ident_bad (*ptr, ptr == name))
259 /* copy preceding safe characters if any */
262 g_string_append_len (op, first_ok, ptr - first_ok);
264 /* escape the unsafe character */
265 g_string_append_printf (op, "_%02x", (unsigned char)(*ptr));
266 /* restart after it */
270 /* copy trailing safe characters if any */
273 g_string_append_len (op, first_ok, ptr - first_ok);
275 return g_string_free (op, FALSE);
279 empathy_xml_validate (xmlDoc *doc,
280 const gchar *dtd_filename)
282 gchar *path, *escaped;
287 path = g_build_filename (DATADIR, "empathy", dtd_filename, NULL);
289 /* The list of valid chars is taken from libxml. */
290 escaped = xmlURIEscapeStr (path, ":@&=+$,/?;");
294 memset (&cvp, 0, sizeof (cvp));
295 dtd = xmlParseDTD (NULL, escaped);
296 ret = xmlValidateDtd (&cvp, doc, dtd);
305 empathy_xml_node_get_child (xmlNodePtr node,
306 const gchar *child_name)
310 g_return_val_if_fail (node != NULL, NULL);
311 g_return_val_if_fail (child_name != NULL, NULL);
313 for (l = node->children; l; l = l->next) {
314 if (l->name && strcmp (l->name, child_name) == 0) {
323 empathy_xml_node_get_child_content (xmlNodePtr node,
324 const gchar *child_name)
328 g_return_val_if_fail (node != NULL, NULL);
329 g_return_val_if_fail (child_name != NULL, NULL);
331 l = empathy_xml_node_get_child (node, child_name);
333 return xmlNodeGetContent (l);
340 empathy_xml_node_find_child_prop_value (xmlNodePtr node,
341 const gchar *prop_name,
342 const gchar *prop_value)
345 xmlNodePtr found = NULL;
347 g_return_val_if_fail (node != NULL, NULL);
348 g_return_val_if_fail (prop_name != NULL, NULL);
349 g_return_val_if_fail (prop_value != NULL, NULL);
351 for (l = node->children; l && !found; l = l->next) {
354 if (!xmlHasProp (l, prop_name)) {
358 prop = xmlGetProp (l, prop_name);
359 if (prop && strcmp (prop, prop_value) == 0) {
370 empathy_account_hash (gconstpointer key)
372 g_return_val_if_fail (MC_IS_ACCOUNT (key), 0);
374 return g_str_hash (mc_account_get_unique_name (MC_ACCOUNT (key)));
378 empathy_account_equal (gconstpointer a,
384 g_return_val_if_fail (MC_IS_ACCOUNT (a), FALSE);
385 g_return_val_if_fail (MC_IS_ACCOUNT (b), FALSE);
387 name_a = mc_account_get_unique_name (MC_ACCOUNT (a));
388 name_b = mc_account_get_unique_name (MC_ACCOUNT (b));
390 return g_str_equal (name_a, name_b);
394 empathy_mission_control_new (void)
396 static MissionControl *mc = NULL;
399 mc = mission_control_new (tp_get_bus ());
400 g_object_add_weak_pointer (G_OBJECT (mc), (gpointer) &mc);
409 empathy_inspect_channel (McAccount *account,
412 g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
413 g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
415 return empathy_inspect_handle (account,
417 tp_chan->handle_type);
421 empathy_inspect_handle (McAccount *account,
430 GError *error = NULL;
432 g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
433 g_return_val_if_fail (handle != 0, NULL);
434 g_return_val_if_fail (handle_type != 0, NULL);
436 mc = empathy_mission_control_new ();
437 tp_conn = mission_control_get_connection (mc, account, NULL);
444 /* Get the handle's name */
445 handles = g_array_new (FALSE, FALSE, sizeof (guint));
446 g_array_append_val (handles, handle);
447 if (!tp_conn_inspect_handles (DBUS_G_PROXY (tp_conn),
452 empathy_debug (DEBUG_DOMAIN,
453 "Couldn't get id: %s",
454 error ? error->message : "No error given");
456 g_clear_error (&error);
457 g_array_free (handles, TRUE);
458 g_object_unref (tp_conn);
463 g_array_free (handles, TRUE);
466 g_object_unref (tp_conn);
472 empathy_call_contact (EmpathyContact *contact)
479 const gchar *bus_name;
481 EmpathyTpGroup *group;
482 GError *error = NULL;
484 g_return_if_fail (EMPATHY_IS_CONTACT (contact));
486 /* StreamedMedia channels must have handle=0 and handle_type=none.
487 * To call a contact we have to add him in the group interface of the
488 * channel. MissionControl will detect the channel creation and
489 * dispatch it to the VoIP chandler automatically. */
491 mc = empathy_mission_control_new ();
492 account = empathy_contact_get_account (contact);
493 tp_conn = mission_control_get_connection (mc, account, NULL);
494 /* FIXME: Should be async */
495 if (!tp_conn_request_channel (DBUS_G_PROXY (tp_conn),
496 TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
502 empathy_debug (DEBUG_DOMAIN,
503 "Couldn't request channel: %s",
504 error ? error->message : "No error given");
505 g_clear_error (&error);
507 g_object_unref (tp_conn);
511 bus_name = dbus_g_proxy_get_bus_name (DBUS_G_PROXY (tp_conn));
512 new_chan = tp_chan_new (tp_get_bus (),
515 TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
519 group = empathy_tp_group_new (account, new_chan);
520 empathy_tp_group_add_member (group, contact, "");
522 g_object_unref (group);
524 g_object_unref (tp_conn);
525 g_object_unref (new_chan);
526 g_free (object_path);