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         else {
  37                 logger("Addons: FAILED installing " . $plugin);
  38         }
  39
  40 }}
  41
  42 // reload all updated plugins
  43
  44 if(! function_exists('reload_plugins')) {
  45 function reload_plugins() {
  46         $plugins = get_config('system','addon');
  47         if(strlen($plugins)) {
  48
  49                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
  50                 if(count($r))
  51                         $installed = $r;
  52                 else
  53                         $installed = array();
  54
  55                 $parr = explode(',',$plugins);
  56                 if(count($parr)) {
  57                         foreach($parr as $pl) {
  58                                 $pl = trim($pl);
  59
  60                                 $fname = 'addon/' . $pl . '/' . $pl . '.php';
  61
  62                                 if(file_exists($fname)) {
  63                                         $t = @filemtime($fname);
  64                                         foreach($installed as $i) {
  65                                                 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
  66                                                         logger('Reloading plugin: ' . $i['name']);
  67                                                         @include_once($fname);
  68
  69                                                         if(function_exists($pl . '_uninstall')) {
  70                                                                 $func = $pl . '_uninstall';
  71                                                                 $func();
  72                                                         }
  73                                                         if(function_exists($pl . '_install')) {
  74                                                                 $func = $pl . '_install';
  75                                                                 $func();
  76                                                         }
  77                                                         q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
  78                                                                 intval($t),
  79                                                                 intval($i['id'])
  80                                                         );
  81                                                 }
  82                                         }
  83                                 }
  84                         }
  85                 }
  86         }
  87 }}
  88
  89
  90
  91
  92
  93 if(! function_exists('register_hook')) {
  94 function register_hook($hook,$file,$function) {
  95
  96         $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
  97                 dbesc($hook),
  98                 dbesc($file),
  99                 dbesc($function)
 100         );
 101         if(count($r))
 102                 return true;
 103
 104         $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
 105                 dbesc($hook),
 106                 dbesc($file),
 107                 dbesc($function)
 108         );
 109         return $r;
 110 }}
 111
 112 if(! function_exists('unregister_hook')) {
 113 function unregister_hook($hook,$file,$function) {
 114
 115         $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
 116                 dbesc($hook),
 117                 dbesc($file),
 118                 dbesc($function)
 119         );
 120         return $r;
 121 }}
 122
 123
 124 if(! function_exists('load_hooks')) {
 125 function load_hooks() {
 126         $a = get_app();
 127         $a->hooks = array();
 128         $r = q("SELECT * FROM `hook` WHERE 1");
 129         if(count($r)) {
 130                 foreach($r as $rr) {
 131                         $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
 132                 }
 133         }
 134 }}
 135
 136
 137 if(! function_exists('call_hooks')) {
 138 function call_hooks($name, &$data = null) {
 139         $a = get_app();
 140
 141         if(count($a->hooks)) {
 142                 foreach($a->hooks as $hook) {
 143                         if($hook[HOOK_HOOK] === $name) {
 144                                 @include_once($hook[HOOK_FILE]);
 145                                 if(function_exists($hook[HOOK_FUNCTION])) {
 146                                         $func = $hook[HOOK_FUNCTION];
 147                                         $func($a,$data);
 148                                 }
 149                         }
 150                 }
 151         }
 152 }}
 153
 154
 155 /*
 156  * parse plugin comment in search of plugin infos.
 157  * like
 158  *
 159  *       * Name: Plugin
 160  *   * Description: A plugin which plugs in
 161  *       * Version: 1.2.3
 162  *   * Author: John <profile url>
 163  *   * Author: Jane <email>
 164  *   *
 165  */
 166
 167 if (! function_exists('get_plugin_info')){
 168 function get_plugin_info($plugin){
 169         if (!is_file("addon/$plugin/$plugin.php")) return false;
 170
 171         $f = file_get_contents("addon/$plugin/$plugin.php");
 172         $r = preg_match("|/\*.*\*/|msU", $f, $m);
 173
 174         $info=Array(
 175                 'name' => $plugin,
 176                 'description' => "",
 177                 'author' => array(),
 178                 'version' => ""
 179         );
 180
 181         if ($r){
 182                 $ll = explode("\n", $m[0]);
 183                 foreach( $ll as $l ) {
 184                         $l = trim($l,"\t\n\r */");
 185                         if ($l!=""){
 186                                 list($k,$v) = array_map("trim", explode(":",$l,2));
 187                                 $k= strtolower($k);
 188                                 if ($k=="author"){
 189                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 190                                         if ($r) {
 191                                                 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
 192                                         } else {
 193                                                 $info['author'][] = array('name'=>$v);
 194                                         }
 195                                 } else {
 196                                         if (array_key_exists($k,$info)){
 197                                                 $info[$k]=$v;
 198                                         }
 199                                 }
 200
 201                         }
 202                 }
 203
 204         }
 205         return $info;
 206 }}
 207