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' ",
12 @include_once('addon/' . $plugin . '/' . $plugin . '.php');
13 if(function_exists($plugin . '_uninstall')) {
14 $func = $plugin . '_uninstall';
19 if (! function_exists('install_plugin')){
20 function install_plugin($plugin) {
21 // silently fail if plugin was removed
23 if(! file_exists('addon/' . $plugin . '/' . $plugin . '.php'))
25 logger("Addons: installing " . $plugin);
26 $t = @filemtime('addon/' . $plugin . '/' . $plugin . '.php');
27 @include_once('addon/' . $plugin . '/' . $plugin . '.php');
28 if(function_exists($plugin . '_install')) {
29 $func = $plugin . '_install';
32 $plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
34 $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
40 // we can add the following with the previous SQL
41 // once most site tables have been updated.
42 // This way the system won't fall over dead during the update.
44 if(file_exists('addon/' . $plugin . '/.hidden')) {
45 q("update addon set hidden = 1 where name = '%s' limit 1",
52 logger("Addons: FAILED installing " . $plugin);
58 // reload all updated plugins
60 if(! function_exists('reload_plugins')) {
61 function reload_plugins() {
62 $plugins = get_config('system','addon');
63 if(strlen($plugins)) {
65 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
71 $parr = explode(',',$plugins);
74 foreach($parr as $pl) {
78 $fname = 'addon/' . $pl . '/' . $pl . '.php';
80 if(file_exists($fname)) {
81 $t = @filemtime($fname);
82 foreach($installed as $i) {
83 if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
84 logger('Reloading plugin: ' . $i['name']);
85 @include_once($fname);
87 if(function_exists($pl . '_uninstall')) {
88 $func = $pl . '_uninstall';
91 if(function_exists($pl . '_install')) {
92 $func = $pl . '_install';
95 q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
112 if(! function_exists('register_hook')) {
113 function register_hook($hook,$file,$function,$priority=0) {
115 $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
123 $r = q("INSERT INTO `hook` (`hook`, `file`, `function`, `priority`) VALUES ( '%s', '%s', '%s', '%s' ) ",
132 if(! function_exists('unregister_hook')) {
133 function unregister_hook($hook,$file,$function) {
135 $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
144 if(! function_exists('load_hooks')) {
145 function load_hooks() {
148 $r = q("SELECT * FROM `hook` WHERE 1 ORDER BY `priority` DESC");
151 if(! array_key_exists($rr['hook'],$a->hooks))
152 $a->hooks[$rr['hook']] = array();
153 $a->hooks[$rr['hook']][] = array($rr['file'],$rr['function']);
159 if(! function_exists('call_hooks')) {
160 function call_hooks($name, &$data = null) {
163 if((is_array($a->hooks)) && (array_key_exists($name,$a->hooks))) {
164 foreach($a->hooks[$name] as $hook) {
165 // Don't run a theme's hook if the user isn't using the theme
166 if(strpos($hook[0], 'view/theme/') !== false && strpos($hook[0], 'view/theme/'.current_theme()) === false)
169 @include_once($hook[0]);
170 if(function_exists($hook[1])) {
175 // remove orphan hooks
176 q("delete from hook where hook = '%s' and file = '$s' and function = '%s' limit 1",
189 * parse plugin comment in search of plugin infos.
193 * * Description: A plugin which plugs in
195 * * Author: John <profile url>
196 * * Author: Jane <email>
200 if (! function_exists('get_plugin_info')){
201 function get_plugin_info($plugin){
209 if (!is_file("addon/$plugin/$plugin.php")) return $info;
211 $f = file_get_contents("addon/$plugin/$plugin.php");
212 $r = preg_match("|/\*.*\*/|msU", $f, $m);
215 $ll = explode("\n", $m[0]);
216 foreach( $ll as $l ) {
217 $l = trim($l,"\t\n\r */");
219 list($k,$v) = array_map("trim", explode(":",$l,2));
222 $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
224 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
226 $info['author'][] = array('name'=>$v);
229 if (array_key_exists($k,$info)){
243 * parse theme comment in search of theme infos.
247 * * Description: My Cool Theme
249 * * Author: John <profile url>
250 * * Maintainer: Jane <profile url>
254 if (! function_exists('get_theme_info')){
255 function get_theme_info($theme){
260 'maintainer' => array(),
263 'experimental' => false,
264 'unsupported' => false
267 if(file_exists("view/theme/$theme/experimental"))
268 $info['experimental'] = true;
269 if(file_exists("view/theme/$theme/unsupported"))
270 $info['unsupported'] = true;
272 if (!is_file("view/theme/$theme/theme.php")) return $info;
274 $f = file_get_contents("view/theme/$theme/theme.php");
275 $r = preg_match("|/\*.*\*/|msU", $f, $m);
279 $ll = explode("\n", $m[0]);
280 foreach( $ll as $l ) {
281 $l = trim($l,"\t\n\r */");
283 list($k,$v) = array_map("trim", explode(":",$l,2));
287 $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
289 $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
291 $info['author'][] = array('name'=>$v);
294 elseif ($k=="maintainer"){
295 $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
297 $info['maintainer'][] = array('name'=>$m[1], 'link'=>$m[2]);
299 $info['maintainer'][] = array('name'=>$v);
302 if (array_key_exists($k,$info)){
315 function get_theme_screenshot($theme) {
317 $exts = array('.png','.jpg');
318 foreach($exts as $ext) {
319 if(file_exists('view/theme/' . $theme . '/screenshot' . $ext))
320 return($a->get_baseurl() . '/view/theme/' . $theme . '/screenshot' . $ext);
322 return($a->get_baseurl() . '/images/blank.png');
325 // install and uninstall theme
326 if (! function_exists('uninstall_theme')){
327 function uninstall_theme($theme){
328 logger("Addons: uninstalling theme " . $theme);
330 @include_once("view/theme/$theme/theme.php");
331 if(function_exists("{$theme}_uninstall")) {
332 $func = "{$theme}_uninstall";
337 if (! function_exists('install_theme')){
338 function install_theme($theme) {
339 // silently fail if theme was removed
341 if(! file_exists("view/theme/$theme/theme.php"))
344 logger("Addons: installing theme $theme");
346 @include_once("view/theme/$theme/theme.php");
348 if(function_exists("{$theme}_install")) {
349 $func = "{$theme}_install";
354 logger("Addons: FAILED installing theme $theme");
362 // check service_class restrictions. If there are no service_classes defined, everything is allowed.
363 // if $usage is supplied, we check against a maximum count and return true if the current usage is
364 // less than the subscriber plan allows. Otherwise we return boolean true or false if the property
365 // is allowed (or not) in this subscriber plan. An unset property for this service plan means
366 // the property is allowed, so it is only necessary to provide negative properties for each plan,
367 // or what the subscriber is not allowed to do.
370 function service_class_allows($uid,$property,$usage = false) {
372 if($uid == local_user()) {
373 $service_class = $a->user['service_class'];
376 $r = q("select service_class from user where uid = %d limit 1",
379 if($r !== false and count($r)) {
380 $service_class = $r[0]['service_class'];
383 if(! x($service_class))
384 return true; // everything is allowed
386 $arr = get_config('service_class',$service_class);
387 if(! is_array($arr) || (! count($arr)))
391 return ((x($arr[$property])) ? (bool) $arr['property'] : true);
393 if(! array_key_exists($property,$arr))
395 return (((intval($usage)) < intval($arr[$property])) ? true : false);
400 function service_class_fetch($uid,$property) {
402 if($uid == local_user()) {
403 $service_class = $a->user['service_class'];
406 $r = q("select service_class from user where uid = %d limit 1",
409 if($r !== false and count($r)) {
410 $service_class = $r[0]['service_class'];
413 if(! x($service_class))
414 return false; // everything is allowed
416 $arr = get_config('service_class',$service_class);
417 if(! is_array($arr) || (! count($arr)))
420 return((array_key_exists($property,$arr)) ? $arr[$property] : false);
424 function upgrade_link($bbcode = false) {
425 $l = get_config('service_class','upgrade_link');
429 $t = sprintf('[url=%s]' . t('Click here to upgrade.') . '[/url]', $l);
431 $t = sprintf('<a href="%s">' . t('Click here to upgrade.') . '</div>', $l);
435 function upgrade_message($bbcode = false) {
436 $x = upgrade_link($bbcode);
437 return t('This action exceeds the limits set by your subscription plan.') . (($x) ? ' ' . $x : '') ;
440 function upgrade_bool_message($bbcode = false) {
441 $x = upgrade_link($bbcode);
442 return t('This action is not available under your subscription plan.') . (($x) ? ' ' . $x : '') ;