/ext/ext_manager/main.php
PHP | 193 lines | 173 code | 6 blank | 14 comment | 24 complexity | 54fdbb0ecf69f2dc73a2bd6cf1f57f08 MD5 | raw file
Possible License(s): LGPL-2.1
- <?php
- /**
- * Name: Extension Manager
- * Author: Shish <webmaster@shishnet.org>
- * Link: http://code.shishnet.org/shimmie2/
- * License: GPLv2
- * Visibility: admin
- * Description: A thing for point & click extension management
- * Documentation:
- * Allows the admin to view a list of all extensions and enable or
- * disable them; also allows users to view the list of activated
- * extensions and read their documentation
- */
- /** @private */
- function __extman_extcmp(ExtensionInfo $a, ExtensionInfo $b) {
- return strcmp($a->name, $b->name);
- }
- /** @private */
- class ExtensionInfo {
- var $ext_name, $name, $link, $author, $email;
- var $description, $documentation, $version, $visibility;
- function ExtensionInfo($main) {
- $matches = array();
- $lines = file($main);
- preg_match("#(ext|contrib)/(.*)/main.php#", $main, $matches);
- $this->ext_name = $matches[2];
- $this->name = $this->ext_name;
- $this->enabled = $this->is_enabled($this->ext_name);
- for($i=0; $i<count($lines); $i++) {
- $line = $lines[$i];
- if(preg_match("/Name: (.*)/", $line, $matches)) {
- $this->name = $matches[1];
- }
- if(preg_match("/Visibility: (.*)/", $line, $matches)) {
- $this->visibility = $matches[1];
- }
- if(preg_match("/Link: (.*)/", $line, $matches)) {
- $this->link = $matches[1];
- if($this->link[0] == "/") {
- $this->link = make_link(substr($this->link, 1));
- }
- }
- if(preg_match("/Version: (.*)/", $line, $matches)) {
- $this->version = $matches[1];
- }
- if(preg_match("/Author: (.*) [<\(](.*@.*)[>\)]/", $line, $matches)) {
- $this->author = $matches[1];
- $this->email = $matches[2];
- }
- else if(preg_match("/Author: (.*)/", $line, $matches)) {
- $this->author = $matches[1];
- }
- if(preg_match("/(.*)Description: ?(.*)/", $line, $matches)) {
- $this->description = $matches[2];
- $start = $matches[1]." ";
- $start_len = strlen($start);
- while(substr($lines[$i+1], 0, $start_len) == $start) {
- $this->description .= " ".substr($lines[$i+1], $start_len);
- $i++;
- }
- }
- if(preg_match("/(.*)Documentation: ?(.*)/", $line, $matches)) {
- $this->documentation = $matches[2];
- $start = $matches[1]." ";
- $start_len = strlen($start);
- while(substr($lines[$i+1], 0, $start_len) == $start) {
- $this->documentation .= " ".substr($lines[$i+1], $start_len);
- $i++;
- }
- $this->documentation = str_replace('$site', make_http(get_base_href()), $this->documentation);
- }
- if(preg_match("/\*\//", $line, $matches)) {
- break;
- }
- }
- }
- private function is_enabled($fname) {
- if(file_exists("ext/$fname") && file_exists("contrib/$fname")) return true; // both
- if(file_exists("contrib/$fname")) return false; // only disabled (optional)
- return null; // only active (core)
- }
- }
- class ExtManager extends SimpleExtension {
- public function onPageRequest($event) {
- global $page, $user;
- if($event->page_matches("ext_manager")) {
- if($user->is_admin()) {
- if($event->get_arg(0) == "set") {
- if(is_writable("ext")) {
- $this->set_things($_POST);
- $page->set_mode("redirect");
- $page->set_redirect(make_link("ext_manager"));
- }
- else {
- $this->theme->display_error($page, "File Operation Failed",
- "The extension folder isn't writable by the web server :(");
- }
- }
- else {
- $this->theme->display_table($page, $this->get_extensions(true), true);
- }
- }
- else {
- $this->theme->display_table($page, $this->get_extensions(false), false);
- }
- }
- if($event->page_matches("ext_doc")) {
- $ext = $event->get_arg(0);
- if(file_exists("ext/$ext/main.php")) {
- $info = new ExtensionInfo("ext/$ext/main.php");
- }
- else {
- $info = new ExtensionInfo("contrib/$ext/main.php");
- }
- $this->theme->display_doc($page, $info);
- }
- }
- public function onUserBlockBuilding($event) {
- global $user;
- if($user->is_admin()) {
- $event->add_link("Extension Manager", make_link("ext_manager"));
- }
- else {
- $event->add_link("Help", make_link("ext_manager"));
- }
- }
- private function get_extensions($all) {
- $extensions = array();
- if($all) {
- $exts = glob("ext/*/main.php");
- foreach(glob("contrib/*/main.php") as $ae) {
- if(!in_array("ext".substr($ae, 7), $exts)) {
- $exts[] = $ae;
- }
- }
- }
- else {
- $exts = glob("ext/*/main.php");
- }
- foreach($exts as $main) {
- $extensions[] = new ExtensionInfo($main);
- }
- usort($extensions, "__extman_extcmp");
- return $extensions;
- }
- private function set_things($settings) {
- foreach(glob("contrib/*/main.php") as $main) {
- $matches = array();
- preg_match("#contrib/(.*)/main.php#", $main, $matches);
- $fname = $matches[1];
- if(!isset($settings["ext_$fname"])) $settings["ext_$fname"] = 0;
- $this->set_enabled($fname, $settings["ext_$fname"]);
- }
- }
- private function set_enabled($fname, $enabled) {
- if($enabled) {
- // enable if currently disabled
- if(!file_exists("ext/$fname")) {
- if(function_exists("symlink")) {
- // yes, even though we are in /, and thus the path to contrib is
- // ./contrib, the link needs to be ../ because it is literal data
- // which will be interpreted relative to ./ext/ by the OS
- symlink("../contrib/$fname", "ext/$fname");
- }
- else {
- full_copy("contrib/$fname", "ext/$fname");
- }
- log_info("ext_manager", "Enabling $fname");
- }
- }
- else {
- // disable if currently enabled
- if(file_exists("ext/$fname")) {
- deltree("ext/$fname");
- log_info("ext_manager", "Disabling $fname");
- }
- }
- }
- }
- ?>