134 lines
3.6 KiB
PHP
134 lines
3.6 KiB
PHP
<?php
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/**
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* Name: Extension Manager
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* Author: Shish <webmaster@shishnet.org>
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* Link: http://trac.shishnet.org/shimmie2/
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* License: GPLv2
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* Description: A thing for point & click extension management
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*/
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class ExtensionInfo { // {{{
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var $ext_name, $name, $link, $author, $email, $description;
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function ExtensionInfo($main) {
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$matches = array();
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$lines = file($main);
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preg_match("#contrib/(.*)/main.php#", $main, $matches);
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$this->ext_name = $matches[1];
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$this->name = $this->ext_name;
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$this->enabled = $this->is_enabled($this->ext_name);
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for($i=0; $i<count($lines); $i++) {
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$line = $lines[$i];
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if(preg_match("/Name: (.*)/", $line, $matches)) {
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$this->name = $matches[1];
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}
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if(preg_match("/Link: (.*)/", $line, $matches)) {
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$this->link = $matches[1];
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}
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if(preg_match("/Author: (.*) [<\(](.*@.*)[>\)]/", $line, $matches)) {
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$this->author = $matches[1];
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$this->email = $matches[2];
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}
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else if(preg_match("/Author: (.*)/", $line, $matches)) {
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$this->author = $matches[1];
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}
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if(preg_match("/(.*)Description: (.*)/", $line, $matches)) {
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$this->description = $matches[2];
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$start = $matches[1]." ";
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$start_len = strlen($start);
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while(substr($lines[$i+1], 0, $start_len) == $start) {
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$this->description .= substr($lines[$i+1], $start_len);
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$i++;
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}
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}
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if(preg_match("/\*\//", $line, $matches)) {
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break;
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}
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}
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}
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private function is_enabled($fname) {
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return file_exists("ext/$fname");
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}
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} // }}}
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class ExtManager implements Extension {
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var $theme;
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public function receive_event(Event $event) {
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if(is_null($this->theme)) $this->theme = get_theme_object($this);
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if(($event instanceof PageRequestEvent) && $event->page_matches("ext_manager")) {
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if($event->user->is_admin()) {
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if($event->get_arg(0) == "set") {
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if(is_writable("ext")) {
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$this->set_things($_POST);
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$event->page->set_mode("redirect");
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$event->page->set_redirect(make_link("ext_manager"));
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}
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else {
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$this->theme->display_error($event->page, "File Operation Failed",
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"The extension folder isn't writable by the web server :(");
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}
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}
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else {
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$this->theme->display_table($event->page, $this->get_extensions());
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}
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}
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else {
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$this->theme->display_permission_denied($event->page);
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}
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}
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if($event instanceof UserBlockBuildingEvent) {
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if($event->user->is_admin()) {
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$event->add_link("Extension Manager", make_link("ext_manager"));
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}
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}
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}
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private function get_extensions() {
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$extensions = array();
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foreach(glob("contrib/*/main.php") as $main) {
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$extensions[] = new ExtensionInfo($main);
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}
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return $extensions;
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}
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private function set_things($settings) {
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foreach(glob("contrib/*/main.php") as $main) {
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$matches = array();
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preg_match("#contrib/(.*)/main.php#", $main, $matches);
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$fname = $matches[1];
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if(!isset($settings["ext_$fname"])) $settings["ext_$fname"] = 0;
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$this->set_enabled($fname, $settings["ext_$fname"]);
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}
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}
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private function set_enabled($fname, $enabled) {
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if($enabled) {
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// enable if currently disabled
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if(!file_exists("ext/$fname")) {
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if(function_exists("symlink")) {
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// yes, even though we are in /, and thus the path to contrib is
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// ./contrib, the link needs to be ../ because it is literal data
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// which will be interpreted relative to ./ext/ by the OS
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symlink("../contrib/$fname", "ext/$fname");
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}
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else {
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full_copy("contrib/$fname", "ext/$fname");
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}
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}
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}
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else {
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// disable if currently enabled
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if(file_exists("ext/$fname")) {
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deltree("ext/$fname");
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}
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}
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}
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}
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add_event_listener(new ExtManager());
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?>
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