Merge branch 'extension_manager'

* extension_manager: (71 commits)
  added plugins group to test
  show a message when search returns no results
  added missing localization
  better filename parsing
  use DOKU_LF
  remove unneeded try/catch blocks
  typo fix
  purge cache only once on install
  check for admin in AJAX backend
  now use new core funtion to recursively delete
  added status to info list of extension plugin
  added css and html changes for RTL scripts to extension manager
  added basic mobile styles to extension manager (not great, but makes things at least readable)
  fixed and improved some HTML in extension manager
  added git warning
  fixed strict standard error and added some docblock
  removed the old plugin manager
  typo fix
  protect authplain and current auth plugin
  do not show updates for bundled plugins
  ...

Conflicts:
	lib/plugins/plugin/lang/hu/admin_plugin.txt
	lib/plugins/plugin/lang/hu/lang.php

1 files changed, 191 insertions, 0 deletions

diff --git a/lib/plugins/extension/helper/repository.php b/lib/plugins/extension/helper/repository.php
new file mode 100644
index 000000000..1f603a866
--- /dev/null
+++ b/lib/plugins/extension/helper/repository.php
@@ -0,0 +1,191 @@
+<?php
+/**
+ * DokuWiki Plugin extension (Helper Component)
+ *
+ * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
+ * @author  Michael Hamann <michael@content-space.de>
+ */
+
+#define('EXTENSION_REPOSITORY_API', 'http://localhost/dokuwiki/lib/plugins/pluginrepo/api.php');
+
+if (!defined('EXTENSION_REPOSITORY_API_ENDPOINT'))
+    define('EXTENSION_REPOSITORY_API', 'http://www.dokuwiki.org/lib/plugins/pluginrepo/api.php');
+
+// must be run within Dokuwiki
+if(!defined('DOKU_INC')) die();
+
+/**
+ * Class helper_plugin_extension_repository provides access to the extension repository on dokuwiki.org
+ */
+class helper_plugin_extension_repository extends DokuWiki_Plugin {
+    private $loaded_extensions = array();
+    private $has_access = null;
+    /**
+     * Initialize the repository (cache), fetches data for all installed plugins
+     */
+    public function init() {
+        /* @var Doku_Plugin_Controller $plugin_controller */
+        global $plugin_controller;
+        if ($this->hasAccess()) {
+            $list = $plugin_controller->getList('', true);
+            $request_data = array('fmt' => 'php');
+            $request_needed = false;
+            foreach ($list as $name) {
+                $cache = new cache('##extension_manager##'.$name, 'repo');
+                $result = null;
+                if (!isset($this->loaded_extensions[$name]) && $this->hasAccess() && !$cache->useCache(array('age' => 3600 * 24))) {
+                    $this->loaded_extensions[$name] = true;
+                    $request_data['ext'][] = $name;
+                    $request_needed = true;
+                }
+            }
+
+            if ($request_needed) {
+                $httpclient = new DokuHTTPClient();
+                $data = $httpclient->post(EXTENSION_REPOSITORY_API, $request_data);
+                if ($data !== false) {
+                    $extensions = unserialize($data);
+                    foreach ($extensions as $extension) {
+                        $cache = new cache('##extension_manager##'.$extension['plugin'], 'repo');
+                        $cache->storeCache(serialize($extension));
+                    }
+                } else {
+                    $this->has_access = false;
+                }
+            }
+        }
+    }
+
+    /**
+     * If repository access is available
+     *
+     * @return bool If repository access is available
+     */
+    public function hasAccess() {
+        if ($this->has_access === null) {
+            $cache = new cache('##extension_manager###hasAccess', 'repo');
+            $result = null;
+            if (!$cache->useCache(array('age' => 3600 * 24, 'purge'=>1))) {
+                $httpclient = new DokuHTTPClient();
+                $httpclient->timeout = 5;
+                $data = $httpclient->get(EXTENSION_REPOSITORY_API.'?cmd=ping');
+                if ($data !== false) {
+                    $this->has_access = true;
+                    $cache->storeCache(1);
+                } else {
+                    $this->has_access = false;
+                    $cache->storeCache(0);
+                }
+            } else {
+                $this->has_access = ($cache->retrieveCache(false) == 1);
+            }
+        }
+        return $this->has_access;
+    }
+
+    /**
+     * Get the remote data of an individual plugin or template
+     *
+     * @param string $name  The plugin name to get the data for, template names need to be prefix by 'template:'
+     * @return array The data or null if nothing was found (possibly no repository access)
+     */
+    public function getData($name) {
+        $cache = new cache('##extension_manager##'.$name, 'repo');
+        $result = null;
+        if (!isset($this->loaded_extensions[$name]) && $this->hasAccess() && !$cache->useCache(array('age' => 3600 * 24))) {
+            $this->loaded_extensions[$name] = true;
+            $httpclient = new DokuHTTPClient();
+            $data = $httpclient->get(EXTENSION_REPOSITORY_API.'?fmt=php&ext[]='.urlencode($name));
+            if ($data !== false) {
+                $result = unserialize($data);
+                $cache->storeCache(serialize($result[0]));
+                return $result[0];
+            } else {
+                $this->has_access = false;
+            }
+        }
+        if (file_exists($cache->cache)) {
+            return unserialize($cache->retrieveCache(false));
+        }
+        return array();
+    }
+
+    /**
+     * Search for plugins or templates using the given query string
+     *
+     * @param string $q the query string
+     * @return array a list of matching extensions
+     */
+    public function search($q){
+        $query = $this->parse_query($q);
+        $query['fmt'] = 'php';
+
+        $httpclient = new DokuHTTPClient();
+        $data = $httpclient->post(EXTENSION_REPOSITORY_API, $query);
+        if ($data === false) return array();
+        $result = unserialize($data);
+
+        $ids = array();
+
+        // store cache info for each extension
+        foreach($result as $ext){
+            $name = $ext['plugin'];
+            $cache = new cache('##extension_manager##'.$name, 'repo');
+            $cache->storeCache(serialize($ext));
+            $ids[] = $name;
+        }
+
+        return $ids;
+    }
+
+    /**
+     * Parses special queries from the query string
+     *
+     * @param string $q
+     * @return array
+     */
+    protected function parse_query($q){
+        $parameters = array(
+            'tag'  => array(),
+            'mail' => array(),
+            'type' => array(),
+            'ext'  => array()
+        );
+
+        // extract tags
+        if(preg_match_all('/(^|\s)(tag:([\S]+))/', $q, $matches, PREG_SET_ORDER)){
+            foreach($matches as $m){
+                $q = str_replace($m[2], '', $q);
+                $parameters['tag'][] = $m[3];
+            }
+        }
+        // extract author ids
+        if(preg_match_all('/(^|\s)(authorid:([\S]+))/', $q, $matches, PREG_SET_ORDER)){
+            foreach($matches as $m){
+                $q = str_replace($m[2], '', $q);
+                $parameters['mail'][] = $m[3];
+            }
+        }
+        // extract extensions
+        if(preg_match_all('/(^|\s)(ext:([\S]+))/', $q, $matches, PREG_SET_ORDER)){
+            foreach($matches as $m){
+                $q = str_replace($m[2], '', $q);
+                $parameters['ext'][] = $m[3];
+            }
+        }
+        // extract types
+        if(preg_match_all('/(^|\s)(type:([\S]+))/', $q, $matches, PREG_SET_ORDER)){
+            foreach($matches as $m){
+                $q = str_replace($m[2], '', $q);
+                $parameters['type'][] = $m[3];
+            }
+        }
+
+        // FIXME make integer from type value
+
+        $parameters['q'] = trim($q);
+        return $parameters;
+    }
+}
+
+// vim:ts=4:sw=4:et: