include/plugin.php

   1 <?php
   2
   3
   4 // install and uninstall plugin
   5 if (! function_exists('uninstall_plugin')){
   6 function uninstall_plugin($plugin){
   7         logger("Addons: uninstalling " . $plugin);
   8         q("DELETE FROM `addon` WHERE `name` = '%s' LIMIT 1",
   9                 dbesc($plugin)
  10         );
  11
  12         @include_once('addon/' . $plugin . '/' . $plugin . '.php');
  13         if(function_exists($plugin . '_uninstall')) {
  14                 $func = $plugin . '_uninstall';
  15                 $func();
  16         }
  17 }}
  18
  19 if (! function_exists('install_plugin')){
  20 function install_plugin($plugin){
  21         logger("Addons: installing " . $plugin);
  22         $t = filemtime('addon/' . $plugin . '/' . $plugin . '.php');
  23         @include_once('addon/' . $plugin . '/' . $plugin . '.php');
  24         if(function_exists($plugin . '_install')) {
  25                 $func = $plugin . '_install';
  26                 $func();
  27
  28                 $plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
  29
  30                 $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
  31                         dbesc($plugin),
  32                         intval($t),
  33                         $plugin_admin
  34                 );
  35         }
  36 }}
  37
  38 // reload all updated plugins
  39
  40 if(! function_exists('reload_plugins')) {
  41 function reload_plugins() {
  42         $plugins = get_config('system','addon');
  43         if(strlen($plugins)) {
  44
  45                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
  46                 if(count($r))
  47                         $installed = $r;
  48                 else
  49                         $installed = array();
  50
  51                 $parr = explode(',',$plugins);
  52                 if(count($parr)) {
  53                         foreach($parr as $pl) {
  54                                 $pl = trim($pl);
  55
  56                                 $t = filemtime('addon/' . $pl . '/' . $pl . '.php');
  57                                 foreach($installed as $i) {
  58                                         if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
  59                                                 logger('Reloading plugin: ' . $i['name']);
  60                                                 @include_once('addon/' . $pl . '/' . $pl . '.php');
  61
  62                                                 if(function_exists($pl . '_uninstall')) {
  63                                                         $func = $pl . '_uninstall';
  64                                                         $func();
  65                                                 }
  66                                                 if(function_exists($pl . '_install')) {
  67                                                         $func = $pl . '_install';
  68                                                         $func();
  69                                                 }
  70                                                 q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
  71                                                         intval($t),
  72                                                         intval($i['id'])
  73                                                 );
  74                                         }
  75                                 }
  76                         }
  77                 }
  78         }
  79 }}
  80
  81
  82
  83
  84
  85 if(! function_exists('register_hook')) {
  86 function register_hook($hook,$file,$function) {
  87
  88         $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
  89                 dbesc($hook),
  90                 dbesc($file),
  91                 dbesc($function)
  92         );
  93         if(count($r))
  94                 return true;
  95
  96         $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
  97                 dbesc($hook),
  98                 dbesc($file),
  99                 dbesc($function)
 100         );
 101         return $r;
 102 }}
 103
 104 if(! function_exists('unregister_hook')) {
 105 function unregister_hook($hook,$file,$function) {
 106
 107         $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
 108                 dbesc($hook),
 109                 dbesc($file),
 110                 dbesc($function)
 111         );
 112         return $r;
 113 }}
 114
 115
 116 if(! function_exists('load_hooks')) {
 117 function load_hooks() {
 118         $a = get_app();
 119         $a->hooks = array();
 120         $r = q("SELECT * FROM `hook` WHERE 1");
 121         if(count($r)) {
 122                 foreach($r as $rr) {
 123                         $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
 124                 }
 125         }
 126 }}
 127
 128
 129 if(! function_exists('call_hooks')) {
 130 function call_hooks($name, &$data = null) {
 131         $a = get_app();
 132
 133         if(count($a->hooks)) {
 134                 foreach($a->hooks as $hook) {
 135                         if($hook[HOOK_HOOK] === $name) {
 136                                 @include_once($hook[HOOK_FILE]);
 137                                 if(function_exists($hook[HOOK_FUNCTION])) {
 138                                         $func = $hook[HOOK_FUNCTION];
 139                                         $func($a,$data);
 140                                 }
 141                         }
 142                 }
 143         }
 144 }}
 145
 146
 147 /*
 148  * parse plugin comment in search of plugin infos.
 149  * like
 150  *
 151  *       * Name: Plugin
 152  *   * Description: A plugin which plugs in
 153  *       * Version: 1.2.3
 154  *   * Author: John <profile url>
 155  *   * Author: Jane <email>
 156  *   *
 157  */
 158
 159 if (! function_exists('get_plugin_info')){
 160 function get_plugin_info($plugin){
 161         if (!is_file("addon/$plugin/$plugin.php")) return false;
 162
 163         $f = file_get_contents("addon/$plugin/$plugin.php");
 164         $r = preg_match("|/\*.*\*/|msU", $f, $m);
 165
 166         $info=Array(
 167                 'name' => $plugin,
 168                 'description' => "",
 169                 'author' => array(),
 170                 'version' => ""
 171         );
 172
 173         if ($r){
 174                 $ll = explode("\n", $m[0]);
 175                 foreach( $ll as $l ) {
 176                         $l = trim($l,"\t\n\r */");
 177                         if ($l!=""){
 178                                 list($k,$v) = array_map("trim", explode(":",$l,2));
 179                                 $k= strtolower($k);
 180                                 if ($k=="author"){
 181                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 182                                         if ($r) {
 183                                                 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
 184                                         } else {
 185                                                 $info['author'][] = array('name'=>$v);
 186                                         }
 187                                 } else {
 188                                         if (array_key_exists($k,$info)){
 189                                                 $info[$k]=$v;
 190                                         }
 191                                 }
 192
 193                         }
 194                 }
 195
 196         }
 197         return $info;
 198 }}
 199