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