Merge remote-tracking branch 'friendika/master' into newui

1 files changed, 199 insertions, 0 deletions

diff --git a/include/plugin.php b/include/plugin.php
new file mode 100644
index 000000000..9f2832981
--- /dev/null
+++ b/include/plugin.php
@@ -0,0 +1,199 @@
+<?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
+		);
+	}
+}}
+
+// 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);
+				
+				$t = filemtime('addon/' . $pl . '/' . $pl . '.php');
+				foreach($installed as $i) {
+					if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {	
+						logger('Reloading plugin: ' . $i['name']);
+						@include_once('addon/' . $pl . '/' . $pl . '.php');
+
+						if(function_exists($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;
+}}
+