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profanity/src/plugins/plugins.c

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/*
* plugins.c
*
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* Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity 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 3 of the License, or
* (at your option) any later version.
*
* Profanity 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
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* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#include <string.h>
#include <stdlib.h>
#include <gio/gio.h>
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#include "log.h"
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#include "config.h"
#include "common.h"
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#include "config/files.h"
#include "config/preferences.h"
#include "event/client_events.h"
#include "plugins/callbacks.h"
#include "plugins/autocompleters.h"
#include "plugins/api.h"
#include "plugins/plugins.h"
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#include "plugins/themes.h"
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#include "plugins/settings.h"
#include "plugins/disco.h"
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#include "ui/ui.h"
#include "xmpp/xmpp.h"
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#ifdef HAVE_PYTHON
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#include "plugins/python_plugins.h"
#include "plugins/python_api.h"
#endif
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#ifdef HAVE_C
#include "plugins/c_plugins.h"
#include "plugins/c_api.h"
#endif
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static GHashTable *plugins;
void
plugins_init(void)
{
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plugins = g_hash_table_new_full(g_str_hash, g_str_equal, free, NULL);
callbacks_init();
autocompleters_init();
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plugin_themes_init();
plugin_settings_init();
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#ifdef HAVE_PYTHON
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python_env_init();
#endif
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#ifdef HAVE_C
c_env_init();
#endif
// load plugins
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gchar **plugins_pref = prefs_get_plugins();
if (plugins_pref) {
int i;
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for (i = 0; i < g_strv_length(plugins_pref); i++)
{
gboolean loaded = FALSE;
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gchar *filename = plugins_pref[i];
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#ifdef HAVE_PYTHON
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if (g_str_has_suffix(filename, ".py")) {
ProfPlugin *plugin = python_plugin_create(filename);
if (plugin) {
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g_hash_table_insert(plugins, strdup(filename), plugin);
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loaded = TRUE;
}
}
#endif
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#ifdef HAVE_C
if (g_str_has_suffix(filename, ".so")) {
ProfPlugin *plugin = c_plugin_create(filename);
if (plugin) {
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g_hash_table_insert(plugins, strdup(filename), plugin);
loaded = TRUE;
}
}
#endif
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if (loaded) {
log_info("Loaded plugin: %s", filename);
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} else {
log_info("Failed to load plugin: %s", filename);
}
}
// initialise plugins
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->init_func(plugin, PACKAGE_VERSION, PACKAGE_STATUS, NULL, NULL);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
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prefs_free_plugins(plugins_pref);
return;
}
void
plugins_free_install_result(PluginsInstallResult *result)
{
if (!result) {
return;
}
g_slist_free_full(result->installed, free);
g_slist_free_full(result->failed, free);
}
PluginsInstallResult*
plugins_install_all(const char *const path)
{
PluginsInstallResult *result = malloc(sizeof(PluginsInstallResult));
result->installed = NULL;
result->failed = NULL;
GSList *contents = NULL;
get_file_paths_recursive(path, &contents);
GSList *curr = contents;
GString *error_message = NULL;
while (curr) {
error_message = g_string_new(NULL);
if (g_str_has_suffix(curr->data, ".py") || g_str_has_suffix(curr->data, ".so")) {
gchar *plugin_name = g_path_get_basename(curr->data);
if (plugins_install(plugin_name, curr->data, error_message)) {
result->installed = g_slist_append(result->installed, strdup(curr->data));
} else {
result->failed = g_slist_append(result->failed, strdup(curr->data));
}
}
curr = g_slist_next(curr);
g_string_free(error_message, TRUE);
}
g_slist_free_full(contents, g_free);
return result;
}
gboolean
plugins_uninstall(const char *const plugin_name)
{
plugins_unload(plugin_name);
char *plugins_dir = files_get_data_path(DIR_PLUGINS);
GString *target_path = g_string_new(plugins_dir);
free(plugins_dir);
g_string_append(target_path, "/");
g_string_append(target_path, plugin_name);
GFile *file = g_file_new_for_path(target_path->str);
GError *error = NULL;
gboolean result = g_file_delete(file, NULL, &error);
g_object_unref(file);
g_error_free(error);
g_string_free(target_path, TRUE);
return result;
}
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gboolean
plugins_install(const char *const plugin_name, const char *const filename, GString *error_message)
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{
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char *plugins_dir = files_get_data_path(DIR_PLUGINS);
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GString *target_path = g_string_new(plugins_dir);
free(plugins_dir);
g_string_append(target_path, "/");
g_string_append(target_path, plugin_name);
if (g_file_test (target_path->str, G_FILE_TEST_EXISTS))
{
log_info("Failed to install plugin: %s, file exists", plugin_name);
g_string_assign(error_message, "File exists");
return FALSE;
}
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gboolean result = copy_file(filename, target_path->str, false);
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g_string_free(target_path, TRUE);
if (result) {
result = plugins_load(plugin_name);
}
return result;
}
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GSList*
plugins_load_all(void)
{
GSList *plugins = plugins_unloaded_list();
GSList *loaded = NULL;
GSList *curr = plugins;
while (curr) {
if (plugins_load(curr->data)) {
loaded = g_slist_append(loaded, strdup(curr->data));
}
curr = g_slist_next(curr);
}
g_slist_free_full(plugins, g_free);
return loaded;
}
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gboolean
plugins_load(const char *const name)
{
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ProfPlugin *plugin = g_hash_table_lookup(plugins, name);
if (plugin) {
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log_info("Failed to load plugin: %s, plugin already loaded", name);
return FALSE;
}
#ifdef HAVE_PYTHON
if (g_str_has_suffix(name, ".py")) {
plugin = python_plugin_create(name);
}
#endif
#ifdef HAVE_C
if (g_str_has_suffix(name, ".so")) {
plugin = c_plugin_create(name);
}
#endif
if (plugin) {
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g_hash_table_insert(plugins, strdup(name), plugin);
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if (connection_get_status() == JABBER_CONNECTED) {
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const char *account_name = session_get_account_name();
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const char *fulljid = connection_get_fulljid();
plugin->init_func(plugin, PACKAGE_VERSION, PACKAGE_STATUS, account_name, fulljid);
} else {
plugin->init_func(plugin, PACKAGE_VERSION, PACKAGE_STATUS, NULL, NULL);
}
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log_info("Loaded plugin: %s", name);
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prefs_add_plugin(name);
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return TRUE;
} else {
log_info("Failed to load plugin: %s", name);
return FALSE;
}
}
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gboolean
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plugins_unload_all(void)
{
gboolean result = TRUE;
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GList *plugin_names = g_hash_table_get_keys(plugins);
GList *plugin_names_dup = NULL;
GList *curr = plugin_names;
while (curr) {
plugin_names_dup = g_list_append(plugin_names_dup, strdup(curr->data));
curr = g_list_next(curr);
}
g_list_free(plugin_names);
curr = plugin_names_dup;
while (curr) {
if (!plugins_unload(curr->data)) {
result = FALSE;
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}
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curr = g_list_next(curr);
}
g_list_free_full(plugin_names_dup, free);
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return result;
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}
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gboolean
plugins_unload(const char *const name)
{
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ProfPlugin *plugin = g_hash_table_lookup(plugins, name);
if (plugin) {
plugin->on_unload_func(plugin);
#ifdef HAVE_PYTHON
if (plugin->lang == LANG_PYTHON) {
python_plugin_destroy(plugin);
}
#endif
#ifdef HAVE_C
if (plugin->lang == LANG_C) {
c_plugin_destroy(plugin);
}
#endif
prefs_remove_plugin(name);
g_hash_table_remove(plugins, name);
caps_reset_ver();
// resend presence to update server's disco info data for this client
if (connection_get_status() == JABBER_CONNECTED) {
char* account_name = session_get_account_name();
resource_presence_t last_presence = accounts_get_last_presence(account_name);
cl_ev_presence_send(last_presence, 0);
}
return TRUE;
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}
return FALSE;
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}
void
plugins_reload_all(void)
{
GList *plugin_names = g_hash_table_get_keys(plugins);
GList *plugin_names_dup = NULL;
GList *curr = plugin_names;
while (curr) {
plugin_names_dup = g_list_append(plugin_names_dup, strdup(curr->data));
curr = g_list_next(curr);
}
g_list_free(plugin_names);
curr = plugin_names_dup;
while (curr) {
plugins_reload(curr->data);
curr = g_list_next(curr);
}
g_list_free_full(plugin_names_dup, free);
}
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gboolean
plugins_reload(const char *const name)
{
gboolean res = plugins_unload(name);
if (res) {
res = plugins_load(name);
}
return res;
}
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void
_plugins_unloaded_list_dir(const gchar *const dir, GSList **result)
{
GDir *plugins_dir = g_dir_open(dir, 0, NULL);
if (plugins_dir == NULL) {
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return;
}
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const gchar *plugin = g_dir_read_name(plugins_dir);
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while (plugin) {
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ProfPlugin *found = g_hash_table_lookup(plugins, plugin);
if ((g_str_has_suffix(plugin, ".so") || g_str_has_suffix(plugin, ".py")) && !found) {
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*result = g_slist_append(*result, strdup(plugin));
}
plugin = g_dir_read_name(plugins_dir);
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}
g_dir_close(plugins_dir);
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}
GSList*
plugins_unloaded_list(void)
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{
GSList *result = NULL;
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char *plugins_dir = files_get_data_path(DIR_PLUGINS);
_plugins_unloaded_list_dir(plugins_dir, &result);
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free(plugins_dir);
return result;
}
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GList*
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plugins_loaded_list(void)
{
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return g_hash_table_get_keys(plugins);
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}
char *
plugins_autocomplete(const char * const input, gboolean previous)
{
return autocompleters_complete(input, previous);
}
void
plugins_reset_autocomplete(void)
{
autocompleters_reset();
}
void
plugins_win_process_line(char *win, const char * const line)
{
PluginWindowCallback *window = callbacks_get_window_handler(win);
if (window) {
window->callback_exec(window, win, line);
}
}
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void
plugins_close_win(const char *const plugin_name, const char *const tag)
{
callbacks_remove_win(plugin_name, tag);
}
void
plugins_on_start(void)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->on_start_func(plugin);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
void
plugins_on_shutdown(void)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->on_shutdown_func(plugin);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
void
plugins_on_connect(const char * const account_name, const char * const fulljid)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->on_connect_func(plugin, account_name, fulljid);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
void
plugins_on_disconnect(const char * const account_name, const char * const fulljid)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->on_disconnect_func(plugin, account_name, fulljid);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
char*
plugins_pre_chat_message_display(const char * const barejid, const char *const resource, const char *message)
{
char *new_message = NULL;
char *curr_message = strdup(message);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
new_message = plugin->pre_chat_message_display(plugin, barejid, resource, curr_message);
if (new_message) {
free(curr_message);
curr_message = strdup(new_message);
free(new_message);
}
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curr = g_list_next(curr);
}
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g_list_free(values);
return curr_message;
}
void
plugins_post_chat_message_display(const char * const barejid, const char *const resource, const char *message)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->post_chat_message_display(plugin, barejid, resource, message);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
char*
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plugins_pre_chat_message_send(const char * const barejid, const char *message)
{
char *new_message = NULL;
char *curr_message = strdup(message);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
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if (plugin->contains_hook(plugin, "prof_pre_chat_message_send")) {
new_message = plugin->pre_chat_message_send(plugin, barejid, curr_message);
if (new_message) {
free(curr_message);
curr_message = strdup(new_message);
free(new_message);
} else {
free(curr_message);
g_list_free(values);
return NULL;
}
}
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curr = g_list_next(curr);
}
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g_list_free(values);
return curr_message;
}
void
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plugins_post_chat_message_send(const char * const barejid, const char *message)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
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plugin->post_chat_message_send(plugin, barejid, message);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
char*
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plugins_pre_room_message_display(const char * const barejid, const char * const nick, const char *message)
{
char *new_message = NULL;
char *curr_message = strdup(message);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
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new_message = plugin->pre_room_message_display(plugin, barejid, nick, curr_message);
if (new_message) {
free(curr_message);
curr_message = strdup(new_message);
free(new_message);
}
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curr = g_list_next(curr);
}
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g_list_free(values);
return curr_message;
}
void
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plugins_post_room_message_display(const char * const barejid, const char * const nick, const char *message)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
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plugin->post_room_message_display(plugin, barejid, nick, message);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
char*
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plugins_pre_room_message_send(const char * const barejid, const char *message)
{
char *new_message = NULL;
char *curr_message = strdup(message);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
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if (plugin->contains_hook(plugin, "prof_pre_room_message_send")) {
new_message = plugin->pre_room_message_send(plugin, barejid, curr_message);
if (new_message) {
free(curr_message);
curr_message = strdup(new_message);
free(new_message);
} else {
free(curr_message);
g_list_free(values);
return NULL;
}
}
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curr = g_list_next(curr);
}
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g_list_free(values);
return curr_message;
}
void
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plugins_post_room_message_send(const char * const barejid, const char *message)
{
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
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plugin->post_room_message_send(plugin, barejid, message);
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curr = g_list_next(curr);
}
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g_list_free(values);
}
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void
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plugins_on_room_history_message(const char *const barejid, const char *const nick, const char *const message,
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GDateTime *timestamp)
{
char *timestamp_str = NULL;
GTimeVal timestamp_tv;
gboolean res = g_date_time_to_timeval(timestamp, &timestamp_tv);
if (res) {
timestamp_str = g_time_val_to_iso8601(&timestamp_tv);
}
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
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while (curr) {
ProfPlugin *plugin = curr->data;
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plugin->on_room_history_message(plugin, barejid, nick, message, timestamp_str);
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curr = g_list_next(curr);
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}
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g_list_free(values);
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free(timestamp_str);
}
char*
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plugins_pre_priv_message_display(const char * const fulljid, const char *message)
{
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Jid *jidp = jid_create(fulljid);
char *new_message = NULL;
char *curr_message = strdup(message);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
new_message = plugin->pre_priv_message_display(plugin, jidp->barejid, jidp->resourcepart, curr_message);
if (new_message) {
free(curr_message);
curr_message = strdup(new_message);
free(new_message);
}
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curr = g_list_next(curr);
}
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g_list_free(values);
jid_destroy(jidp);
return curr_message;
}
void
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plugins_post_priv_message_display(const char * const fulljid, const char *message)
{
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Jid *jidp = jid_create(fulljid);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->post_priv_message_display(plugin, jidp->barejid, jidp->resourcepart, message);
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curr = g_list_next(curr);
}
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g_list_free(values);
jid_destroy(jidp);
}
char*
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plugins_pre_priv_message_send(const char * const fulljid, const char * const message)
{
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Jid *jidp = jid_create(fulljid);
char *new_message = NULL;
char *curr_message = strdup(message);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
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if (plugin->contains_hook(plugin, "prof_pre_priv_message_send")) {
new_message = plugin->pre_priv_message_send(plugin, jidp->barejid, jidp->resourcepart, curr_message);
if (new_message) {
free(curr_message);
curr_message = strdup(new_message);
free(new_message);
} else {
free(curr_message);
g_list_free(values);
jid_destroy(jidp);
return NULL;
}
}
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curr = g_list_next(curr);
}
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g_list_free(values);
jid_destroy(jidp);
return curr_message;
}
void
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plugins_post_priv_message_send(const char * const fulljid, const char * const message)
{
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Jid *jidp = jid_create(fulljid);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
while (curr) {
ProfPlugin *plugin = curr->data;
plugin->post_priv_message_send(plugin, jidp->barejid, jidp->resourcepart, message);
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curr = g_list_next(curr);
}
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g_list_free(values);
jid_destroy(jidp);
}
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char*
plugins_on_message_stanza_send(const char *const text)
{
char *new_stanza = NULL;
char *curr_stanza = strdup(text);
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GList *values = g_hash_table_get_values(plugins);
GList *curr = values;
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while (curr) {
ProfPlugin *plugin = curr->data;
new_stanza = plugin->on_message_stanza_send(plugin, curr_stanza);
if (new_stanza) {
free(curr_stanza);
curr_stanza = strdup(new_stanza);
free(new_stanza);
}