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