friendica/include/plugin.php
2012-02-09 22:44:59 -08:00

208 lines
4.4 KiB
PHP
Executable file

<?php
// install and uninstall plugin
if (! function_exists('uninstall_plugin')){
function uninstall_plugin($plugin){
logger("Addons: uninstalling " . $plugin);
q("DELETE FROM `addon` WHERE `name` = '%s' LIMIT 1",
dbesc($plugin)
);
@include_once('addon/' . $plugin . '/' . $plugin . '.php');
if(function_exists($plugin . '_uninstall')) {
$func = $plugin . '_uninstall';
$func();
}
}}
if (! function_exists('install_plugin')){
function install_plugin($plugin){
logger("Addons: installing " . $plugin);
$t = @filemtime('addon/' . $plugin . '/' . $plugin . '.php');
@include_once('addon/' . $plugin . '/' . $plugin . '.php');
if(function_exists($plugin . '_install')) {
$func = $plugin . '_install';
$func();
$plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
$r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
dbesc($plugin),
intval($t),
$plugin_admin
);
}
else {
logger("Addons: FAILED installing " . $plugin);
}
}}
// reload all updated plugins
if(! function_exists('reload_plugins')) {
function reload_plugins() {
$plugins = get_config('system','addon');
if(strlen($plugins)) {
$r = q("SELECT * FROM `addon` WHERE `installed` = 1");
if(count($r))
$installed = $r;
else
$installed = array();
$parr = explode(',',$plugins);
if(count($parr)) {
foreach($parr as $pl) {
$pl = trim($pl);
$fname = 'addon/' . $pl . '/' . $pl . '.php';
if(file_exists($fname)) {
$t = @filemtime($fname);
foreach($installed as $i) {
if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
logger('Reloading plugin: ' . $i['name']);
@include_once($fname);
if(function_exists($pl . '_uninstall')) {
$func = $pl . '_uninstall';
$func();
}
if(function_exists($pl . '_install')) {
$func = $pl . '_install';
$func();
}
q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
intval($t),
intval($i['id'])
);
}
}
}
}
}
}
}}
if(! function_exists('register_hook')) {
function register_hook($hook,$file,$function) {
$r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
dbesc($hook),
dbesc($file),
dbesc($function)
);
if(count($r))
return true;
$r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
dbesc($hook),
dbesc($file),
dbesc($function)
);
return $r;
}}
if(! function_exists('unregister_hook')) {
function unregister_hook($hook,$file,$function) {
$r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
dbesc($hook),
dbesc($file),
dbesc($function)
);
return $r;
}}
if(! function_exists('load_hooks')) {
function load_hooks() {
$a = get_app();
$a->hooks = array();
$r = q("SELECT * FROM `hook` WHERE 1");
if(count($r)) {
foreach($r as $rr) {
$a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
}
}
}}
if(! function_exists('call_hooks')) {
function call_hooks($name, &$data = null) {
$a = get_app();
if(count($a->hooks)) {
foreach($a->hooks as $hook) {
if($hook[HOOK_HOOK] === $name) {
@include_once($hook[HOOK_FILE]);
if(function_exists($hook[HOOK_FUNCTION])) {
$func = $hook[HOOK_FUNCTION];
$func($a,$data);
}
}
}
}
}}
/*
* parse plugin comment in search of plugin infos.
* like
*
* * Name: Plugin
* * Description: A plugin which plugs in
* * Version: 1.2.3
* * Author: John <profile url>
* * Author: Jane <email>
* *
*/
if (! function_exists('get_plugin_info')){
function get_plugin_info($plugin){
if (!is_file("addon/$plugin/$plugin.php")) return false;
$f = file_get_contents("addon/$plugin/$plugin.php");
$r = preg_match("|/\*.*\*/|msU", $f, $m);
$info=Array(
'name' => $plugin,
'description' => "",
'author' => array(),
'version' => ""
);
if ($r){
$ll = explode("\n", $m[0]);
foreach( $ll as $l ) {
$l = trim($l,"\t\n\r */");
if ($l!=""){
list($k,$v) = array_map("trim", explode(":",$l,2));
$k= strtolower($k);
if ($k=="author"){
$r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
if ($r) {
$info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
} else {
$info['author'][] = array('name'=>$v);
}
} else {
if (array_key_exists($k,$info)){
$info[$k]=$v;
}
}
}
}
}
return $info;
}}