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-rw-r--r--trunk/libempathy/empathy-utils.c749
1 files changed, 749 insertions, 0 deletions
diff --git a/trunk/libempathy/empathy-utils.c b/trunk/libempathy/empathy-utils.c
new file mode 100644
index 000000000..fe6a787bb
--- /dev/null
+++ b/trunk/libempathy/empathy-utils.c
@@ -0,0 +1,749 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2003-2007 Imendio AB
+ * Copyright (C) 2007-2008 Collabora Ltd.
+ *
+ * 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.
+ *
+ * Authors: Richard Hult <richard@imendio.com>
+ * Martyn Russell <martyn@imendio.com>
+ * Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <time.h>
+#include <sys/types.h>
+#include <regex.h>
+
+#include <glib/gi18n.h>
+
+#include <libxml/uri.h>
+#include <telepathy-glib/connection.h>
+#include <telepathy-glib/channel.h>
+#include <telepathy-glib/dbus.h>
+
+#include "empathy-utils.h"
+#include "empathy-contact-factory.h"
+#include "empathy-contact-manager.h"
+#include "empathy-tp-group.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
+#include "empathy-debug.h"
+
+static void regex_init (void);
+
+gchar *
+empathy_substring (const gchar *str,
+ gint start,
+ gint end)
+{
+ return g_strndup (str + start, end - start);
+}
+
+/*
+ * Regular Expression code to match urls.
+ */
+#define APTCHARS "-A-Za-z0-9,-."
+#define USERCHARS "-A-Za-z0-9"
+#define PASSCHARS "-A-Za-z0-9,?;.:/!%$^*&~\"#'"
+#define HOSTCHARS "-A-Za-z0-9_"
+#define PATHCHARS "-A-Za-z0-9_$.+!*(),;:@&=?/~#%"
+#define SCHEME "(news:|telnet:|nntp:|file:/|https?:|ftps?:|webcal:)"
+#define USER "[" USERCHARS "]+(:["PASSCHARS "]+)?"
+#define URLPATH "/[" PATHCHARS "]*[^]'.}>) \t\r\n,\\\"]"
+
+static regex_t dingus[EMPATHY_REGEX_ALL];
+
+static void
+regex_init (void)
+{
+ static gboolean inited = FALSE;
+ const gchar *expression;
+ gint i;
+
+ if (inited) {
+ return;
+ }
+
+ for (i = 0; i < EMPATHY_REGEX_ALL; i++) {
+ switch (i) {
+ case EMPATHY_REGEX_AS_IS:
+ expression =
+ SCHEME "//(" USER "@)?[" HOSTCHARS ".]+"
+ "(:[0-9]+)?(" URLPATH ")?";
+ break;
+ case EMPATHY_REGEX_BROWSER:
+ expression =
+ "(www|ftp)[" HOSTCHARS "]*\\.[" HOSTCHARS ".]+"
+ "(:[0-9]+)?(" URLPATH ")?";
+ break;
+ case EMPATHY_REGEX_APT:
+ expression =
+ "apt://[" APTCHARS "]*";
+ break;
+ case EMPATHY_REGEX_EMAIL:
+ expression =
+ "(mailto:)?[a-z0-9][a-z0-9.-]*@[a-z0-9]"
+ "[a-z0-9-]*(\\.[a-z0-9][a-z0-9-]*)+";
+ break;
+ case EMPATHY_REGEX_OTHER:
+ expression =
+ "news:[-A-Z\\^_a-z{|}~!\"#$%&'()*+,./0-9;:=?`]+"
+ "@[" HOSTCHARS ".]+(:[0-9]+)?";
+ break;
+ default:
+ /* Silence the compiler. */
+ expression = NULL;
+ continue;
+ }
+
+ memset (&dingus[i], 0, sizeof (regex_t));
+ regcomp (&dingus[i], expression, REG_EXTENDED | REG_ICASE);
+ }
+
+ inited = TRUE;
+}
+
+gint
+empathy_regex_match (EmpathyRegExType type,
+ const gchar *msg,
+ GArray *start,
+ GArray *end)
+{
+ regmatch_t matches[1];
+ gint ret = 0;
+ gint num_matches = 0;
+ gint offset = 0;
+ gint i;
+
+ g_return_val_if_fail (type >= 0 || type <= EMPATHY_REGEX_ALL, 0);
+
+ regex_init ();
+
+ while (!ret && type != EMPATHY_REGEX_ALL) {
+ ret = regexec (&dingus[type], msg + offset, 1, matches, 0);
+ if (ret == 0) {
+ gint s;
+
+ num_matches++;
+
+ s = matches[0].rm_so + offset;
+ offset = matches[0].rm_eo + offset;
+
+ g_array_append_val (start, s);
+ g_array_append_val (end, offset);
+ }
+ }
+
+ if (type != EMPATHY_REGEX_ALL) {
+ DEBUG ("Found %d matches for regex type:%d", num_matches, type);
+ return num_matches;
+ }
+
+ /* If EMPATHY_REGEX_ALL then we run ALL regex's on the string. */
+ for (i = 0; i < EMPATHY_REGEX_ALL; i++, ret = 0) {
+ while (!ret) {
+ ret = regexec (&dingus[i], msg + offset, 1, matches, 0);
+ if (ret == 0) {
+ gint s;
+
+ num_matches++;
+
+ s = matches[0].rm_so + offset;
+ offset = matches[0].rm_eo + offset;
+
+ g_array_append_val (start, s);
+ g_array_append_val (end, offset);
+ }
+ }
+ }
+
+ DEBUG ("Found %d matches for ALL regex types", num_matches);
+
+ return num_matches;
+}
+
+gint
+empathy_strcasecmp (const gchar *s1,
+ const gchar *s2)
+{
+ return empathy_strncasecmp (s1, s2, -1);
+}
+
+gint
+empathy_strncasecmp (const gchar *s1,
+ const gchar *s2,
+ gsize n)
+{
+ gchar *u1, *u2;
+ gint ret_val;
+
+ u1 = g_utf8_casefold (s1, n);
+ u2 = g_utf8_casefold (s2, n);
+
+ ret_val = g_utf8_collate (u1, u2);
+ g_free (u1);
+ g_free (u2);
+
+ return ret_val;
+}
+
+gboolean
+empathy_xml_validate (xmlDoc *doc,
+ const gchar *dtd_filename)
+{
+ gchar *path, *escaped;
+ xmlValidCtxt cvp;
+ xmlDtd *dtd;
+ gboolean ret;
+
+ path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), "libempathy",
+ dtd_filename, NULL);
+ if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
+ g_free (path);
+ path = g_build_filename (DATADIR, "empathy", dtd_filename, NULL);
+ }
+ DEBUG ("Loading dtd file %s", path);
+
+ /* The list of valid chars is taken from libxml. */
+ escaped = xmlURIEscapeStr (path, ":@&=+$,/?;");
+ g_free (path);
+
+ memset (&cvp, 0, sizeof (cvp));
+ dtd = xmlParseDTD (NULL, escaped);
+ ret = xmlValidateDtd (&cvp, doc, dtd);
+
+ xmlFree (escaped);
+ xmlFreeDtd (dtd);
+
+ return ret;
+}
+
+xmlNodePtr
+empathy_xml_node_get_child (xmlNodePtr node,
+ const gchar *child_name)
+{
+ xmlNodePtr l;
+
+ g_return_val_if_fail (node != NULL, NULL);
+ g_return_val_if_fail (child_name != NULL, NULL);
+
+ for (l = node->children; l; l = l->next) {
+ if (l->name && strcmp (l->name, child_name) == 0) {
+ return l;
+ }
+ }
+
+ return NULL;
+}
+
+xmlChar *
+empathy_xml_node_get_child_content (xmlNodePtr node,
+ const gchar *child_name)
+{
+ xmlNodePtr l;
+
+ g_return_val_if_fail (node != NULL, NULL);
+ g_return_val_if_fail (child_name != NULL, NULL);
+
+ l = empathy_xml_node_get_child (node, child_name);
+ if (l) {
+ return xmlNodeGetContent (l);
+ }
+
+ return NULL;
+}
+
+xmlNodePtr
+empathy_xml_node_find_child_prop_value (xmlNodePtr node,
+ const gchar *prop_name,
+ const gchar *prop_value)
+{
+ xmlNodePtr l;
+ xmlNodePtr found = NULL;
+
+ g_return_val_if_fail (node != NULL, NULL);
+ g_return_val_if_fail (prop_name != NULL, NULL);
+ g_return_val_if_fail (prop_value != NULL, NULL);
+
+ for (l = node->children; l && !found; l = l->next) {
+ xmlChar *prop;
+
+ if (!xmlHasProp (l, prop_name)) {
+ continue;
+ }
+
+ prop = xmlGetProp (l, prop_name);
+ if (prop && strcmp (prop, prop_value) == 0) {
+ found = l;
+ }
+
+ xmlFree (prop);
+ }
+
+ return found;
+}
+
+guint
+empathy_account_hash (gconstpointer key)
+{
+ g_return_val_if_fail (MC_IS_ACCOUNT (key), 0);
+
+ return g_str_hash (mc_account_get_unique_name (MC_ACCOUNT (key)));
+}
+
+gboolean
+empathy_account_equal (gconstpointer a,
+ gconstpointer b)
+{
+ const gchar *name_a;
+ const gchar *name_b;
+
+ g_return_val_if_fail (MC_IS_ACCOUNT (a), FALSE);
+ g_return_val_if_fail (MC_IS_ACCOUNT (b), FALSE);
+
+ name_a = mc_account_get_unique_name (MC_ACCOUNT (a));
+ name_b = mc_account_get_unique_name (MC_ACCOUNT (b));
+
+ return g_str_equal (name_a, name_b);
+}
+
+MissionControl *
+empathy_mission_control_new (void)
+{
+ static MissionControl *mc = NULL;
+
+ if (!mc) {
+ mc = mission_control_new (tp_get_bus ());
+ g_object_add_weak_pointer (G_OBJECT (mc), (gpointer) &mc);
+ } else {
+ g_object_ref (mc);
+ }
+
+ return mc;
+}
+
+void
+empathy_call_with_contact (EmpathyContact *contact)
+{
+ MissionControl *mc;
+ McAccount *account;
+ TpConnection *connection;
+ gchar *object_path;
+ TpChannel *channel;
+ EmpathyContactFactory *factory;
+ EmpathyTpGroup *group;
+ EmpathyContact *self_contact;
+ GError *error = NULL;
+
+ g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+
+ mc = empathy_mission_control_new ();
+ account = empathy_contact_get_account (contact);
+ connection = mission_control_get_tpconnection (mc, account, NULL);
+ tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
+ g_object_unref (mc);
+
+ /* We abuse of suppress_handler, TRUE means OUTGOING. The channel
+ * will be catched in EmpathyFilter */
+ if (!tp_cli_connection_run_request_channel (connection, -1,
+ TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
+ TP_HANDLE_TYPE_NONE,
+ 0,
+ TRUE,
+ &object_path,
+ &error,
+ NULL)) {
+ DEBUG ("Couldn't request channel: %s",
+ error ? error->message : "No error given");
+ g_clear_error (&error);
+ g_object_unref (connection);
+ return;
+ }
+
+ channel = tp_channel_new (connection,
+ object_path, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
+ TP_HANDLE_TYPE_NONE, 0, NULL);
+
+ group = empathy_tp_group_new (channel);
+ empathy_run_until_ready (group);
+
+ factory = empathy_contact_factory_new ();
+ self_contact = empathy_contact_factory_get_user (factory, account);
+ empathy_contact_run_until_ready (self_contact,
+ EMPATHY_CONTACT_READY_HANDLE,
+ NULL);
+
+ empathy_tp_group_add_member (group, contact, "");
+ empathy_tp_group_add_member (group, self_contact, "");
+
+ g_object_unref (factory);
+ g_object_unref (self_contact);
+ g_object_unref (group);
+ g_object_unref (connection);
+ g_object_unref (channel);
+ g_free (object_path);
+}
+
+void
+empathy_call_with_contact_id (McAccount *account, const gchar *contact_id)
+{
+ EmpathyContactFactory *factory;
+ EmpathyContact *contact;
+
+ factory = empathy_contact_factory_new ();
+ contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
+ empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
+
+ empathy_call_with_contact (contact);
+
+ g_object_unref (contact);
+ g_object_unref (factory);
+}
+
+void
+empathy_chat_with_contact (EmpathyContact *contact)
+{
+ MissionControl *mc;
+ McAccount *account;
+ TpConnection *connection;
+
+ g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+
+ mc = empathy_mission_control_new ();
+ account = empathy_contact_get_account (contact);
+ connection = mission_control_get_tpconnection (mc, account, NULL);
+ tp_connection_run_until_ready (connection, FALSE, NULL, NULL);
+ g_object_unref (mc);
+
+ /* We abuse of suppress_handler, TRUE means OUTGOING. The channel
+ * will be catched in EmpathyFilter */
+ tp_cli_connection_call_request_channel (connection, -1,
+ TP_IFACE_CHANNEL_TYPE_TEXT,
+ TP_HANDLE_TYPE_CONTACT,
+ empathy_contact_get_handle (contact),
+ TRUE,
+ NULL, NULL, NULL, NULL);
+ g_object_unref (connection);
+}
+
+void
+empathy_chat_with_contact_id (McAccount *account, const gchar *contact_id)
+{
+ EmpathyContactFactory *factory;
+ EmpathyContact *contact;
+
+ factory = empathy_contact_factory_new ();
+ contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
+ empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_HANDLE, NULL);
+
+ empathy_chat_with_contact (contact);
+
+ g_object_unref (contact);
+ g_object_unref (factory);
+}
+
+const gchar *
+empathy_presence_get_default_message (McPresence presence)
+{
+ switch (presence) {
+ case MC_PRESENCE_AVAILABLE:
+ return _("Available");
+ case MC_PRESENCE_DO_NOT_DISTURB:
+ return _("Busy");
+ case MC_PRESENCE_AWAY:
+ case MC_PRESENCE_EXTENDED_AWAY:
+ return _("Away");
+ case MC_PRESENCE_HIDDEN:
+ return _("Hidden");
+ case MC_PRESENCE_OFFLINE:
+ case MC_PRESENCE_UNSET:
+ return _("Offline");
+ default:
+ g_assert_not_reached ();
+ }
+
+ return NULL;
+}
+
+const gchar *
+empathy_presence_to_str (McPresence presence)
+{
+ switch (presence) {
+ case MC_PRESENCE_AVAILABLE:
+ return "available";
+ case MC_PRESENCE_DO_NOT_DISTURB:
+ return "busy";
+ case MC_PRESENCE_AWAY:
+ return "away";
+ case MC_PRESENCE_EXTENDED_AWAY:
+ return "ext_away";
+ case MC_PRESENCE_HIDDEN:
+ return "hidden";
+ case MC_PRESENCE_OFFLINE:
+ return "offline";
+ case MC_PRESENCE_UNSET:
+ return "unset";
+ default:
+ g_assert_not_reached ();
+ }
+
+ return NULL;
+}
+
+McPresence
+empathy_presence_from_str (const gchar *str)
+{
+ if (strcmp (str, "available") == 0) {
+ return MC_PRESENCE_AVAILABLE;
+ } else if ((strcmp (str, "dnd") == 0) || (strcmp (str, "busy") == 0)) {
+ return MC_PRESENCE_DO_NOT_DISTURB;
+ } else if ((strcmp (str, "away") == 0) || (strcmp (str, "brb") == 0)) {
+ return MC_PRESENCE_AWAY;
+ } else if ((strcmp (str, "xa") == 0) || (strcmp (str, "ext_away") == 0)) {
+ return MC_PRESENCE_EXTENDED_AWAY;
+ } else if (strcmp (str, "hidden") == 0) {
+ return MC_PRESENCE_HIDDEN;
+ } else if (strcmp (str, "offline") == 0) {
+ return MC_PRESENCE_OFFLINE;
+ } else if (strcmp (str, "unset") == 0) {
+ return MC_PRESENCE_UNSET;
+ }
+
+ return MC_PRESENCE_AVAILABLE;
+}
+
+gchar *
+empathy_file_lookup (const gchar *filename, const gchar *subdir)
+{
+ gchar *path;
+
+ if (!subdir) {
+ subdir = ".";
+ }
+
+ path = g_build_filename (g_getenv ("EMPATHY_SRCDIR"), subdir, filename, NULL);
+ if (!g_file_test (path, G_FILE_TEST_EXISTS)) {
+ g_free (path);
+ path = g_build_filename (DATADIR, "empathy", filename, NULL);
+ }
+
+ return path;
+}
+
+typedef struct {
+ EmpathyRunUntilReadyFunc func;
+ gpointer user_data;
+ GObject *object;
+ GMainLoop *loop;
+} RunUntilReadyData;
+
+static void
+run_until_ready_cb (RunUntilReadyData *data)
+{
+ if (!data->func || data->func (data->object, data->user_data)) {
+ DEBUG ("Object %p is ready", data->object);
+ g_main_loop_quit (data->loop);
+ }
+}
+
+static gboolean
+object_is_ready (GObject *object,
+ gpointer user_data)
+{
+ gboolean ready;
+
+ g_object_get (object, "ready", &ready, NULL);
+
+ return ready;
+}
+
+void
+empathy_run_until_ready_full (gpointer object,
+ const gchar *signal,
+ EmpathyRunUntilReadyFunc func,
+ gpointer user_data,
+ GMainLoop **loop)
+{
+ RunUntilReadyData data;
+ gulong signal_id;
+
+ g_return_if_fail (G_IS_OBJECT (object));
+ g_return_if_fail (signal != NULL);
+
+ if (func && func (object, user_data)) {
+ return;
+ }
+
+ DEBUG ("Starting run until ready for object %p", object);
+
+ data.func = func;
+ data.user_data = user_data;
+ data.object = object;
+ data.loop = g_main_loop_new (NULL, FALSE);
+
+ signal_id = g_signal_connect_swapped (object, signal,
+ G_CALLBACK (run_until_ready_cb),
+ &data);
+ if (loop != NULL) {
+ *loop = data.loop;
+ }
+
+ g_main_loop_run (data.loop);
+
+ if (loop != NULL) {
+ *loop = NULL;
+ }
+
+ g_signal_handler_disconnect (object, signal_id);
+ g_main_loop_unref (data.loop);
+}
+
+void
+empathy_run_until_ready (gpointer object)
+{
+ empathy_run_until_ready_full (object, "notify::ready", object_is_ready,
+ NULL, NULL);
+}
+
+McAccount *
+empathy_channel_get_account (TpChannel *channel)
+{
+ TpConnection *connection;
+ McAccount *account;
+ MissionControl *mc;
+
+ g_object_get (channel, "connection", &connection, NULL);
+ mc = empathy_mission_control_new ();
+ account = mission_control_get_account_for_tpconnection (mc, connection, NULL);
+ g_object_unref (connection);
+ g_object_unref (mc);
+
+ return account;
+}
+
+typedef void (*AccountStatusChangedFunc) (MissionControl *mc,
+ TpConnectionStatus status,
+ McPresence presence,
+ TpConnectionStatusReason reason,
+ const gchar *unique_name,
+ gpointer user_data);
+
+typedef struct {
+ AccountStatusChangedFunc handler;
+ gpointer user_data;
+ GClosureNotify free_func;
+ MissionControl *mc;
+} AccountStatusChangedData;
+
+typedef struct {
+ TpConnectionStatus status;
+ McPresence presence;
+ TpConnectionStatusReason reason;
+ gchar *unique_name;
+ AccountStatusChangedData *data;
+} InvocationData;
+
+static void
+account_status_changed_data_free (gpointer ptr,
+ GClosure *closure)
+{
+ AccountStatusChangedData *data = ptr;
+
+ if (data->free_func) {
+ data->free_func (data->user_data, closure);
+ }
+ g_object_unref (data->mc);
+ g_slice_free (AccountStatusChangedData, data);
+}
+
+static gboolean
+account_status_changed_invoke_callback (gpointer data)
+{
+ InvocationData *invocation_data = data;
+
+ invocation_data->data->handler (invocation_data->data->mc,
+ invocation_data->status,
+ invocation_data->presence,
+ invocation_data->reason,
+ invocation_data->unique_name,
+ invocation_data->data->user_data);
+
+ g_free (invocation_data->unique_name);
+ g_slice_free (InvocationData, invocation_data);
+
+ return FALSE;
+}
+
+static void
+account_status_changed_cb (MissionControl *mc,
+ TpConnectionStatus status,
+ McPresence presence,
+ TpConnectionStatusReason reason,
+ const gchar *unique_name,
+ AccountStatusChangedData *data)
+{
+ InvocationData *invocation_data;
+
+ invocation_data = g_slice_new (InvocationData);
+ invocation_data->status = status;
+ invocation_data->presence = presence;
+ invocation_data->reason = reason;
+ invocation_data->unique_name = g_strdup (unique_name);
+ invocation_data->data = data;
+
+ g_idle_add_full (G_PRIORITY_HIGH,
+ account_status_changed_invoke_callback,
+ invocation_data, NULL);
+}
+
+gpointer
+empathy_connect_to_account_status_changed (MissionControl *mc,
+ GCallback handler,
+ gpointer user_data,
+ GClosureNotify free_func)
+{
+ AccountStatusChangedData *data;
+
+ g_return_val_if_fail (IS_MISSIONCONTROL (mc), NULL);
+ g_return_val_if_fail (handler != NULL, NULL);
+
+ data = g_slice_new (AccountStatusChangedData);
+ data->handler = (AccountStatusChangedFunc) handler;
+ data->user_data = user_data;
+ data->free_func = free_func;
+ data->mc = g_object_ref (mc);
+
+ dbus_g_proxy_connect_signal (DBUS_G_PROXY (mc), "AccountStatusChanged",
+ G_CALLBACK (account_status_changed_cb),
+ data, account_status_changed_data_free);
+
+ return data;
+}
+
+void
+empathy_disconnect_account_status_changed (gpointer token)
+{
+ AccountStatusChangedData *data = token;
+
+ dbus_g_proxy_disconnect_signal (DBUS_G_PROXY (data->mc),
+ "AccountStatusChanged",
+ G_CALLBACK (account_status_changed_cb),
+ data);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-01 01:02:08 +0800