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
  74                 if(count($parr)) {
  75                         foreach($parr as $pl) {
  76
  77                                 $pl = trim($pl);
  78
  79                                 $fname = 'addon/' . $pl . '/' . $pl . '.php';
  80
  81                                 if(file_exists($fname)) {
  82                                         $t = @filemtime($fname);
  83                                         foreach($installed as $i) {
  84                                                 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
  85                                                         logger('Reloading plugin: ' . $i['name']);
  86                                                         @include_once($fname);
  87
  88                                                         if(function_exists($pl . '_uninstall')) {
  89                                                                 $func = $pl . '_uninstall';
  90                                                                 $func();
  91                                                         }
  92                                                         if(function_exists($pl . '_install')) {
  93                                                                 $func = $pl . '_install';
  94                                                                 $func();
  95                                                         }
  96                                                         q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
  97                                                                 intval($t),
  98                                                                 intval($i['id'])
  99                                                         );
 100                                                 }
 101                                         }
 102                                 }
 103                         }
 104                 }
 105         }
 106
 107 }}
 108
 109
 110
 111
 112
 113 if(! function_exists('register_hook')) {
 114 function register_hook($hook,$file,$function) {
 115
 116         $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
 117                 dbesc($hook),
 118                 dbesc($file),
 119                 dbesc($function)
 120         );
 121         if(count($r))
 122                 return true;
 123
 124         $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
 125                 dbesc($hook),
 126                 dbesc($file),
 127                 dbesc($function)
 128         );
 129         return $r;
 130 }}
 131
 132 if(! function_exists('unregister_hook')) {
 133 function unregister_hook($hook,$file,$function) {
 134
 135         $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
 136                 dbesc($hook),
 137                 dbesc($file),
 138                 dbesc($function)
 139         );
 140         return $r;
 141 }}
 142
 143
 144 if(! function_exists('load_hooks')) {
 145 function load_hooks() {
 146         $a = get_app();
 147         $a->hooks = array();
 148         $r = q("SELECT * FROM `hook` WHERE 1");
 149         if(count($r)) {
 150                 foreach($r as $rr) {
 151                         $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
 152                 }
 153         }
 154 }}
 155
 156
 157 if(! function_exists('call_hooks')) {
 158 function call_hooks($name, &$data = null) {
 159         $a = get_app();
 160
 161         if(count($a->hooks)) {
 162                 foreach($a->hooks as $hook) {
 163                         if($hook[HOOK_HOOK] === $name) {
 164                                 @include_once($hook[HOOK_FILE]);
 165                                 if(function_exists($hook[HOOK_FUNCTION])) {
 166                                         $func = $hook[HOOK_FUNCTION];
 167                                         $func($a,$data);
 168                                 }
 169                                 else {
 170                                         // remove orphan hooks
 171                                         q("delete from hook where hook = '%s' and file = '$s' and function = '%s' limit 1",
 172                                                 dbesc($hook[HOOK_HOOK]),
 173                                                 dbesc($hook[HOOK_FILE]),
 174                                                 dbesc($hook[HOOK_FUNCTION])
 175                                         );
 176                                 }
 177                         }
 178                 }
 179         }
 180 }}
 181
 182
 183 /*
 184  * parse plugin comment in search of plugin infos.
 185  * like
 186  *
 187  *       * Name: Plugin
 188  *   * Description: A plugin which plugs in
 189  *       * Version: 1.2.3
 190  *   * Author: John <profile url>
 191  *   * Author: Jane <email>
 192  *   *
 193  */
 194
 195 if (! function_exists('get_plugin_info')){
 196 function get_plugin_info($plugin){
 197         $info=Array(
 198                 'name' => $plugin,
 199                 'description' => "",
 200                 'author' => array(),
 201                 'version' => ""
 202         );
 203
 204         if (!is_file("addon/$plugin/$plugin.php")) return $info;
 205
 206         $f = file_get_contents("addon/$plugin/$plugin.php");
 207         $r = preg_match("|/\*.*\*/|msU", $f, $m);
 208
 209         if ($r){
 210                 $ll = explode("\n", $m[0]);
 211                 foreach( $ll as $l ) {
 212                         $l = trim($l,"\t\n\r */");
 213                         if ($l!=""){
 214                                 list($k,$v) = array_map("trim", explode(":",$l,2));
 215                                 $k= strtolower($k);
 216                                 if ($k=="author"){
 217                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 218                                         if ($r) {
 219                                                 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
 220                                         } else {
 221                                                 $info['author'][] = array('name'=>$v);
 222                                         }
 223                                 } else {
 224                                         if (array_key_exists($k,$info)){
 225                                                 $info[$k]=$v;
 226                                         }
 227                                 }
 228
 229                         }
 230                 }
 231
 232         }
 233         return $info;
 234 }}
 235
 236
 237 /*
 238  * parse theme comment in search of theme infos.
 239  * like
 240  *
 241  *       * Name: My Theme
 242  *   * Description: My Cool Theme
 243  *       * Version: 1.2.3
 244  *   * Author: John <profile url>
 245  *   * Maintainer: Jane <profile url>
 246  *   *
 247  */
 248
 249 if (! function_exists('get_theme_info')){
 250 function get_theme_info($theme){
 251         $info=Array(
 252                 'name' => $theme,
 253                 'description' => "",
 254                 'author' => array(),
 255                 'maintainer' => array(),
 256                 'version' => "",
 257                 'experimental' => false,
 258                 'unsupported' => false
 259         );
 260
 261         if(file_exists("view/theme/$theme/experimental"))
 262                 $info['experimental'] = true;
 263         if(file_exists("view/theme/$theme/unsupported"))
 264                 $info['unsupported'] = true;
 265
 266         if (!is_file("view/theme/$theme/theme.php")) return $info;
 267
 268         $f = file_get_contents("view/theme/$theme/theme.php");
 269         $r = preg_match("|/\*.*\*/|msU", $f, $m);
 270
 271
 272         if ($r){
 273                 $ll = explode("\n", $m[0]);
 274                 foreach( $ll as $l ) {
 275                         $l = trim($l,"\t\n\r */");
 276                         if ($l!=""){
 277                                 list($k,$v) = array_map("trim", explode(":",$l,2));
 278                                 $k= strtolower($k);
 279                                 if ($k=="author"){
 280
 281                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 282                                         if ($r) {
 283                                                 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
 284                                         } else {
 285                                                 $info['author'][] = array('name'=>$v);
 286                                         }
 287                                 }
 288                                 elseif ($k=="maintainer"){
 289                                         $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
 290                                         if ($r) {
 291                                                 $info['maintainer'][] = array('name'=>$m[1], 'link'=>$m[2]);
 292                                         } else {
 293                                                 $info['maintainer'][] = array('name'=>$v);
 294                                         }
 295                                 } else {
 296                                         if (array_key_exists($k,$info)){
 297                                                 $info[$k]=$v;
 298                                         }
 299                                 }
 300
 301                         }
 302                 }
 303
 304         }
 305         return $info;
 306 }}
 307
 308
 309 function get_theme_screenshot($theme) {
 310         $a = get_app();
 311         $exts = array('.png','.jpg');
 312         foreach($exts as $ext) {
 313                 if(file_exists('view/theme/' . $theme . '/screenshot' . $ext))
 314                         return($a->get_baseurl() . '/view/theme/' . $theme . '/screenshot' . $ext);
 315         }
 316         return($a->get_baseurl() . '/images/blank.png');
 317 }