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 " . $plugin);
   8         q("DELETE FROM `addon` WHERE `name` = '%s' ",
   9                 dbesc($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
  22         // silently fail if plugin was removed
  23
  24         if(! file_exists('addon/' . $plugin . '/' . $plugin . '.php'))
  25                 return false;
  26         logger("Addons: installing " . $plugin);
  27         $t = @filemtime('addon/' . $plugin . '/' . $plugin . '.php');
  28         @include_once('addon/' . $plugin . '/' . $plugin . '.php');
  29         if(function_exists($plugin . '_install')) {
  30                 $func = $plugin . '_install';
  31                 $func();
  32
  33                 $plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
  34
  35                 $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
  36                         dbesc($plugin),
  37                         intval($t),
  38                         $plugin_admin
  39                 );
  40
  41                 // we can add the following with the previous SQL
  42                 // once most site tables have been updated.
  43                 // This way the system won't fall over dead during the update.
  44
  45                 if(file_exists('addon/' . $plugin . '/.hidden')) {
  46                         q("update addon set hidden = 1 where name = '%s' limit 1",
  47                                 dbesc($plugin)
  48                         );
  49                 }
  50                 return true;
  51         }
  52         else {
  53                 logger("Addons: FAILED installing " . $plugin);
  54                 return false;
  55         }
  56
  57 }}
  58
  59 // reload all updated plugins
  60
  61 if(! function_exists('reload_plugins')) {
  62 function reload_plugins() {
  63         $plugins = get_config('system','addon');
  64         if(strlen($plugins)) {
  65
  66                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
  67                 if(count($r))
  68                         $installed = $r;
  69                 else
  70                         $installed = array();
  71
  72                 $parr = explode(',',$plugins);
  73                 if(count($parr)) {
  74                         foreach($parr as $pl) {
  75                                 $pl = trim($pl);
  76
  77                                 $fname = 'addon/' . $pl . '/' . $pl . '.php';
  78
  79                                 if(file_exists($fname)) {
  80                                         $t = @filemtime($fname);
  81                                         foreach($installed as $i) {
  82                                                 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
  83                                                         logger('Reloading plugin: ' . $i['name']);
  84                                                         @include_once($fname);
  85
  86                                                         if(function_exists($pl . '_uninstall')) {
  87                                                                 $func = $pl . '_uninstall';
  88                                                                 $func();
  89                                                         }
  90                                                         if(function_exists($pl . '_install')) {
  91                                                                 $func = $pl . '_install';
  92                                                                 $func();
  93                                                         }
  94                                                         q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
  95                                                                 intval($t),
  96                                                                 intval($i['id'])
  97                                                         );
  98                                                 }
  99                                         }
 100                                 }
 101                         }
 102                 }
 103         }
 104 }}
 105
 106
 107
 108
 109
 110 if(! function_exists('register_hook')) {
 111 function register_hook($hook,$file,$function) {
 112
 113         $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
 114                 dbesc($hook),
 115                 dbesc($file),
 116                 dbesc($function)
 117         );
 118         if(count($r))
 119                 return true;
 120
 121         $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
 122                 dbesc($hook),
 123                 dbesc($file),
 124                 dbesc($function)
 125         );
 126         return $r;
 127 }}
 128
 129 if(! function_exists('unregister_hook')) {
 130 function unregister_hook($hook,$file,$function) {
 131
 132         $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
 133                 dbesc($hook),
 134                 dbesc($file),
 135                 dbesc($function)
 136         );
 137         return $r;
 138 }}
 139
 140
 141 if(! function_exists('load_hooks')) {
 142 function load_hooks() {
 143         $a = get_app();
 144         $a->hooks = array();
 145         $r = q("SELECT * FROM `hook` WHERE 1");
 146         if(count($r)) {
 147                 foreach($r as $rr) {
 148                         $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
 149                 }
 150         }
 151 }}
 152
 153
 154 if(! function_exists('call_hooks')) {
 155 function call_hooks($name, &$data = null) {
 156         $a = get_app();
 157
 158         if(count($a->hooks)) {
 159                 foreach($a->hooks as $hook) {
 160                         if($hook[HOOK_HOOK] === $name) {
 161                                 @include_once($hook[HOOK_FILE]);
 162                                 if(function_exists($hook[HOOK_FUNCTION])) {
 163                                         $func = $hook[HOOK_FUNCTION];
 164                                         $func($a,$data);
 165                                 }
 166                         }
 167                 }
 168         }
 169 }}
 170
 171
 172 /*
 173  * parse plugin comment in search of plugin infos.
 174  * like
 175  *
 176  *       * Name: Plugin
 177  *   * Description: A plugin which plugs in
 178  *       * Version: 1.2.3
 179  *   * Author: John <profile url>
 180  *   * Author: Jane <email>
 181  *   *
 182  */
 183
 184 if (! function_exists('get_plugin_info')){
 185 function get_plugin_info($plugin){
 186         $info=Array(
 187                 'name' => $plugin,
 188                 'description' => "",
 189                 'author' => array(),
 190                 'version' => ""
 191         );
 192
 193         if (!is_file("addon/$plugin/$plugin.php")) return $info;
 194
 195         $f = file_get_contents("addon/$plugin/$plugin.php");
 196         $r = preg_match("|/\*.*\*/|msU", $f, $m);
 197
 198         if ($r){
 199                 $ll = explode("\n", $m[0]);
 200                 foreach( $ll as $l ) {
 201                         $l = trim($l,"\t\n\r */");
 202                         if ($l!=""){
 203                                 list($k,$v) = array_map("trim", explode(":",$l,2));
 204                                 $k= strtolower($k);
 205                                 if ($k=="author"){
 206                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 207                                         if ($r) {
 208                                                 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
 209                                         } else {
 210                                                 $info['author'][] = array('name'=>$v);
 211                                         }
 212                                 } else {
 213                                         if (array_key_exists($k,$info)){
 214                                                 $info[$k]=$v;
 215                                         }
 216                                 }
 217
 218                         }
 219                 }
 220
 221         }
 222         return $info;
 223 }}
 224
 225
 226 /*
 227  * parse theme comment in search of theme infos.
 228  * like
 229  *
 230  *       * Name: My Theme
 231  *   * Description: My Cool Theme
 232  *       * Version: 1.2.3
 233  *   * Author: John <profile url>
 234  *   * Maintainer: Jane <profile url>
 235  *   *
 236  */
 237
 238 if (! function_exists('get_theme_info')){
 239 function get_theme_info($theme){
 240         $info=Array(
 241                 'name' => $theme,
 242                 'description' => "",
 243                 'author' => array(),
 244                 'maintainer' => array(),
 245                 'version' => "",
 246                 'experimental' => false,
 247                 'unsupported' => false
 248         );
 249
 250         if(file_exists("view/theme/$theme/experimental"))
 251                 $info['experimental'] = true;
 252         if(file_exists("view/theme/$theme/unsupported"))
 253                 $info['unsupported'] = true;
 254
 255         if (!is_file("view/theme/$theme/theme.php")) return $info;
 256
 257         $f = file_get_contents("view/theme/$theme/theme.php");
 258         $r = preg_match("|/\*.*\*/|msU", $f, $m);
 259
 260
 261         if ($r){
 262                 $ll = explode("\n", $m[0]);
 263                 foreach( $ll as $l ) {
 264                         $l = trim($l,"\t\n\r */");
 265                         if ($l!=""){
 266                                 list($k,$v) = array_map("trim", explode(":",$l,2));
 267                                 $k= strtolower($k);
 268                                 if ($k=="author"){
 269
 270                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 271                                         if ($r) {
 272                                                 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
 273                                         } else {
 274                                                 $info['author'][] = array('name'=>$v);
 275                                         }
 276                                 }
 277                                 elseif ($k=="maintainer"){
 278                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 279                                         if ($r) {
 280                                                 $info['maintainer'][] = array('name'=>$m[1], 'link'=>$m[2]);
 281                                         } else {
 282                                                 $info['maintainer'][] = array('name'=>$v);
 283                                         }
 284                                 } else {
 285                                         if (array_key_exists($k,$info)){
 286                                                 $info[$k]=$v;
 287                                         }
 288                                 }
 289
 290                         }
 291                 }
 292
 293         }
 294         return $info;
 295 }}
 296
 297
 298 function get_theme_screenshot($theme) {
 299         $a = get_app();
 300         $exts = array('.png','.jpg');
 301         foreach($exts as $ext) {
 302                 if(file_exists('view/theme/' . $theme . '/screenshot' . $ext))
 303                         return($a->get_baseurl() . '/view/theme/' . $theme . '/screenshot' . $ext);
 304         }
 305         return($a->get_baseurl() . '/images/blank.png');
 306 }