| 1 | <?php |
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| 2 | ############################################################################### |
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| 3 | # Gregarius - A PHP based RSS aggregator. |
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| 4 | # Copyright (C) 2003 - 2006 Marco Bonetti |
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| 5 | # |
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| 6 | ############################################################################### |
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| 7 | # This program is free software and open source software; you can redistribute |
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| 8 | # it and/or modify it under the terms of the GNU General Public License as |
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| 9 | # published by the Free Software Foundation; either version 2 of the License, |
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| 10 | # or (at your option) any later version. |
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| 11 | # |
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| 12 | # This program is distributed in the hope that it will be useful, but WITHOUT |
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| 13 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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| 15 | # more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License along |
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| 18 | # with this program; if not, write to the Free Software Foundation, Inc., |
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| 19 | # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit |
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| 20 | # http://www.gnu.org/licenses/gpl.html |
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| 21 | # |
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| 22 | ############################################################################### |
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| 23 | # E-mail: mbonetti at gmail dot com |
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| 24 | # Web page: http://gregarius.net/ |
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| 25 | # |
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| 26 | ############################################################################### |
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| 27 | |
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| 28 | |
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| 29 | function plugins_admin() { |
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| 30 | return CST_ADMIN_DOMAIN_PLUGINS; |
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| 31 | } |
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| 32 | |
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| 33 | function plugin_options_admin() { |
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| 34 | if (array_key_exists('plugin_name',$_REQUEST)) { |
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| 35 | return CST_ADMIN_DOMAIN_PLUGIN_OPTIONS; |
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| 36 | } else { |
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| 37 | return CST_ADMIN_DOMAIN_PLUGINS; |
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| 38 | } |
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| 39 | } |
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| 40 | |
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| 41 | function plugins() { |
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| 42 | |
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| 43 | // Submit changes |
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| 44 | if (isset($_POST['admin_plugin_submit_changes'])) { |
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| 45 | $old_active_plugins = getConfig('rss.config.plugins'); |
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| 46 | $active_plugins=array(); |
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| 47 | foreach($_REQUEST as $rkey=>$rentry) { |
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| 48 | if (preg_match('/_gregarius_plugin.([a-zA-Z0-9_\/\-]+).php/',$rkey,$matches)) { |
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| 49 | $active_plugins[] = ($matches[1] .".php"); |
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| 50 | } |
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| 51 | } |
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| 52 | |
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| 53 | $value = serialize($active_plugins); |
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| 54 | $sql = "update " . getTable('config') . " set value_='$value' where key_='rss.config.plugins'"; |
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| 55 | rss_query($sql); |
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| 56 | rss_invalidate_cache(); |
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| 57 | |
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| 58 | // deactivate |
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| 59 | $to_deactivate = array_diff($old_active_plugins, $active_plugins); |
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| 60 | foreach($to_deactivate as $deactivatethis) { |
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| 61 | rss_load_plugin($deactivatethis); |
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| 62 | rss_plugin_hook("rss.plugins.admin.deactivate", "", $deactivatethis); |
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| 63 | } |
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| 64 | |
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| 65 | //activate |
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| 66 | $to_activate = array_diff($active_plugins, $old_active_plugins); |
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| 67 | foreach($to_activate as $activatethis) { |
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| 68 | rss_load_plugin($activatethis); |
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| 69 | rss_plugin_hook("rss.plugins.admin.activate", "", $activatethis); |
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| 70 | } |
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| 71 | } else { |
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| 72 | $active_plugins = getConfig('rss.config.plugins'); |
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| 73 | } |
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| 74 | |
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| 75 | // Check for updates |
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| 76 | $doUpdates = false; |
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| 77 | $updates = array(); |
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| 78 | if (isset($_POST['admin_plugin_check_for_updates'])) { |
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| 79 | $updates = plugins_check_for_updates(); |
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| 80 | $doUpdates = true; |
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| 81 | } |
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| 82 | |
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| 83 | |
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| 84 | |
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| 85 | // Rendering |
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| 86 | echo "<h2 class=\"trigger\">".__('Plugins')."</h2>\n" |
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| 87 | ."<div id=\"admin_plugins\">\n"; |
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| 88 | |
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| 89 | |
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| 90 | echo __('<p style="font-size:small">Plugins are third-party scripts that offer extended functionalities. More plugins can be downloaded at the <a style="text-decoration:underline" href="http://plugins.gregarius.net/">Plugin Repository</a>.</p>'); |
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| 91 | |
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| 92 | echo "<form method=\"post\" action=\"" .$_SERVER['PHP_SELF'] ."\">\n"; |
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| 93 | echo "<p><input type=\"hidden\" name=\"".CST_ADMIN_DOMAIN."\" value=\"".CST_ADMIN_DOMAIN_PLUGINS."\" /></p>\n"; |
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| 94 | echo "\n<table id=\"plugintable\">\n<tr>\n" |
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| 95 | ."<th>".__('Active')."</th>\n" |
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| 96 | ."<th>".__('Name')."</th>\n" |
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| 97 | ."<th>".__('Version')."</th>\n" |
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| 98 | ."<th>".__('Author')."</th>\n" |
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| 99 | ."<th>".__('Description')."</th>\n" |
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| 100 | ."<th>".__('Options')."</th>\n"; |
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| 101 | if ($doUpdates) { |
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| 102 | echo "<th>".__('Update Available')."</th>\n"; |
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| 103 | } |
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| 104 | |
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| 105 | echo "</tr>\n"; |
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| 106 | |
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| 107 | |
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| 108 | |
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| 109 | $rss_plugins = getPlugins(); |
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| 110 | $cntr = 0; |
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| 111 | if ($rss_plugins) { |
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| 112 | foreach($rss_plugins as $entry => $info ) { |
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| 113 | $active= in_array($entry,$active_plugins); |
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| 114 | if (count($info)) { |
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| 115 | $updateDl = null; |
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| 116 | if (is_array($updates) && array_key_exists($info['file'],$updates)) { |
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| 117 | $lastV = $updates[$info['file']][0]; |
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| 118 | $thisV = $info['version']; |
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| 119 | if ($lastV > $thisV) { |
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| 120 | $updateDl = str_replace("&","&",$updates[$info['file']][1]); |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | $class = (($cntr++ % 2 == 0)?"even":"odd") . |
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| 125 | ($updateDl? " hilite":($active?" active":"")); |
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| 126 | |
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| 127 | echo "<tr class=\"$class\">\n"; |
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| 128 | echo "<td class=\"cntr\">" |
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| 129 | ."<input type=\"checkbox\" name=\"_gregarius_plugin_$entry\" " |
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| 130 | ." id=\"_gregarius_plugin_$entry\" value=\"1\" " |
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| 131 | .($active?"checked=\"checked\"":"")." />\n" |
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| 132 | ."</td>\n"; |
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| 133 | echo "<td><label |
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| 134 | for=\"_gregarius_plugin_$entry\">".(array_key_exists('name',$info)?$info['name']:" "). |
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| 135 | "</label></td>\n"; |
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| 136 | echo "<td class=\"cntr\">" |
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| 137 | .(array_key_exists('version',$info)?$info['version']:" "). "</td>\n"; |
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| 138 | echo "<td>" .(array_key_exists('author',$info)?$info['author']:" "). "</td>\n"; |
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| 139 | echo "<td>" .(array_key_exists('description',$info)?$info['description']:" "). "</td>\n"; |
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| 140 | |
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| 141 | // output the column to call a plugin's config page. |
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| 142 | echo "<td class=\"cntr\">"; |
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| 143 | if(array_key_exists('configuration',$info)) { |
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| 144 | $escaped_plugin_name = str_replace("/", "%2F", $entry); |
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| 145 | echo "<a href=\"".$_SERVER['PHP_SELF']. "?".CST_ADMIN_DOMAIN."=". |
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| 146 | CST_ADMIN_DOMAIN_PLUGIN_OPTIONS |
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| 147 | ."&action=". CST_ADMIN_EDIT_ACTION. "&plugin_name=".$escaped_plugin_name |
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| 148 | ."&" .CST_ADMIN_VIEW ."=" .CST_ADMIN_DOMAIN_PLUGIN_OPTIONS |
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| 149 | ."\">" . __('edit') |
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| 150 | ."</a>"; |
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| 151 | } else { |
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| 152 | echo " "; |
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| 153 | } |
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| 154 | echo "</td>\n"; |
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| 155 | |
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| 156 | if ($doUpdates && $updateDl) { |
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| 157 | echo "<td class=\"cntr\">"; |
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| 158 | echo "<a href=\"$updateDl\">$lastV</a>"; |
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| 159 | echo "</td>"; |
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| 160 | } |
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| 161 | elseif($doUpdates) { |
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| 162 | echo "<td> </td>"; |
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| 163 | } |
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| 164 | echo "</tr>\n"; |
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| 165 | } |
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| 166 | } |
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| 167 | } |
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| 168 | echo "</table>\n"; |
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| 169 | echo "<p><input type=\"hidden\" name=\"". CST_ADMIN_METAACTION ."\" value=\"ACT_ADMIN_SUBMIT_CHANGES\"/>\n"; |
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| 170 | echo "<input type=\"submit\" name=\"admin_plugin_submit_changes\" value=\"".__('Submit Changes')."\" />\n"; |
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| 171 | echo "<input type=\"submit\" name=\"admin_plugin_check_for_updates\" value=\"".__('Check for Updates')."\" /></p></form>\n"; |
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| 172 | echo "</div>"; |
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| 173 | } |
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| 174 | |
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| 175 | function plugin_options() { |
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| 176 | if (!array_key_exists('plugin_name',$_REQUEST) || |
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| 177 | array_key_exists('admin_plugin_options_cancel_changes', $_REQUEST)) { |
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| 178 | plugins(); |
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| 179 | return; |
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| 180 | } |
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| 181 | // TBD |
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| 182 | $plugin_filename = $_REQUEST['plugin_name']; |
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| 183 | $plugin_filename = str_replace("%2F", "/", $plugin_filename); |
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| 184 | $plugin_output = ""; |
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| 185 | if (preg_match('/([a-zA-Z0-9_\/\-]+).php/',$plugin_filename,$matches)) { |
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| 186 | $plugin_filename = $matches[1] .".php"; // sanitize input |
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| 187 | $plugin_info = getPluginInfo($plugin_filename); |
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| 188 | if($plugin_info && array_key_exists('configuration', $plugin_info)) { |
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| 189 | $plugin_config_func = $plugin_info['configuration']; |
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| 190 | ob_start(); |
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| 191 | rss_load_plugin($plugin_filename); |
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| 192 | if(function_exists($plugin_config_func)) { |
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| 193 | call_user_func($plugin_config_func); // Are you happy now? |
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| 194 | $plugin_output = ob_get_contents(); |
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| 195 | |
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| 196 | } |
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| 197 | ob_end_clean(); |
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| 198 | rss_invalidate_cache(); |
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| 199 | } |
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| 200 | if ($plugin_output) { // Let us set up a form |
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| 201 | echo "<h2 |
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| 202 | class=\"trigger\">".__('Plugin Options')." ".TITLE_SEP." ". $plugin_info['name']. "</h2>\n" |
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| 203 | ."<div id=\"admin_plugin_options\">\n"; |
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| 204 | echo "<form method=\"post\" action=\"" .$_SERVER['PHP_SELF'] ."\">\n"; |
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| 205 | echo "<p><input type=\"hidden\" name=\"".CST_ADMIN_DOMAIN |
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| 206 | ."\" value=\"".CST_ADMIN_DOMAIN_PLUGIN_OPTIONS."\" /></p>\n"; |
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| 207 | echo $plugin_output; |
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| 208 | echo "<p><input type=\"hidden\" name=\"plugin_name\" value=\"".$plugin_filename."\"/>\n"; |
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| 209 | echo "<p><input type=\"hidden\" name=\"". CST_ADMIN_METAACTION |
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| 210 | ."\" value=\"ACT_ADMIN_SUBMIT_CHANGES\"/>\n"; |
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| 211 | echo "<input type=\"submit\" name=\"admin_plugin_options_submit_changes\" value=\"" |
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| 212 | .__('Submit Changes')."\" />\n"; |
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| 213 | echo "<input type=\"submit\" name=\"admin_plugin_options_cancel_changes\" |
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| 214 | value=\"".__('Cancel')."\" /></p></form>\n"; |
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| 215 | echo "</div>"; |
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| 216 | } else { |
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| 217 | plugins(); |
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| 218 | } |
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| 219 | } |
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| 220 | } |
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| 221 | |
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| 222 | |
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| 223 | /** |
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| 224 | * fetches information for the given plugin, |
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| 225 | * which should contain: |
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| 226 | * |
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| 227 | * /// Name: Url filter |
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| 228 | * /// Author: Marco Bonetti |
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| 229 | * /// Description: This plugin will try to make ugly URL links look better |
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| 230 | * /// Version: 1.0 |
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| 231 | * |
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| 232 | */ |
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| 233 | function getPluginInfo($file) { |
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| 234 | $info = array(); |
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| 235 | $path = "../".RSS_PLUGINS_DIR."/$file"; |
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| 236 | if (file_exists($path)) { |
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| 237 | $f = @fopen($path,'r'); |
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| 238 | $contents = ""; |
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| 239 | if ($f) { |
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| 240 | $contents .= fread($f, filesize($path)); |
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| 241 | @fclose($f); |
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| 242 | } else { |
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| 243 | $contents = ""; |
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| 244 | } |
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| 245 | |
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| 246 | if ($contents && preg_match_all("/\/\/\/\s?([^:]+):(.*)/",$contents,$matches,PREG_SET_ORDER)) { |
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| 247 | foreach($matches as $match) { |
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| 248 | $key = trim(strtolower($match[1])); |
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| 249 | $val = trim($match[2]); |
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| 250 | if ($key == 'version') { |
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| 251 | $val=preg_replace('/[^0-9\.]+/','',$val); |
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| 252 | } |
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| 253 | |
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| 254 | $info[$key] = $val; |
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| 255 | } |
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| 256 | } |
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| 257 | |
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| 258 | $info['file'] = preg_replace('/\..+$/','',$file); |
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| 259 | } |
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| 260 | |
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| 261 | return $info; |
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| 262 | } |
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| 263 | |
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| 264 | /** |
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| 265 | * This function returns an associative array with all the php files that are |
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| 266 | * plugins and their plugin info. |
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| 267 | * |
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| 268 | * Following the wordpress model (and code) we search for plugins in the plugins |
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| 269 | * directory and each subdirectory 1 level deep. |
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| 270 | */ |
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| 271 | function getPlugins() { |
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| 272 | |
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| 273 | $plugin_dir_files = array(); |
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| 274 | $rss_plugins = array(); |
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| 275 | $plugin_dir = '../' . RSS_PLUGINS_DIR; |
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| 276 | |
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| 277 | $d = @dir($plugin_dir); |
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| 278 | //Put all the *.php files in the plugin dir and 1 level below into $plugin_dir_files |
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| 279 | while (($file = $d->read()) !== false) { |
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| 280 | if ( $file != "CVS" && (substr($file,0,1) != ".")) { |
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| 281 | if(is_dir($plugin_dir . '/' . $file)) { |
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| 282 | $plugins_subdir = @dir($plugin_dir . '/' . $file); |
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| 283 | if ($plugins_subdir) { |
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| 284 | while(($subfile = $plugins_subdir->read()) !== false) { |
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| 285 | if ( preg_match('|^\.+$|', $subfile) ) { |
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| 286 | continue; |
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| 287 | } |
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| 288 | if ( preg_match('|\.php$|', $subfile) ) { |
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| 289 | $plugin_dir_files[] = "$file/$subfile"; |
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| 290 | } |
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| 291 | } |
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| 292 | } |
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| 293 | } else { |
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| 294 | if ( preg_match('|\.php$|', $file) ) { |
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| 295 | $plugin_dir_files[] = $file; |
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| 296 | } |
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| 297 | } |
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| 298 | } |
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| 299 | } |
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| 300 | |
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| 301 | // See which of the php files in $plugin_dir_files are really plugins |
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| 302 | foreach($plugin_dir_files as $plugin_dir_file) { |
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| 303 | $info = getPluginInfo($plugin_dir_file); |
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| 304 | // $info will have the filename in it. Does it have anything else? |
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| 305 | if (count($info) > 1) { |
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| 306 | $rss_plugins[$plugin_dir_file] = $info; |
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| 307 | } |
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| 308 | } |
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| 309 | |
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| 310 | ksort($rss_plugins); |
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| 311 | |
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| 312 | //return an associative array with the plugin files and their info |
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| 313 | return $rss_plugins; |
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| 314 | } |
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| 315 | |
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| 316 | function plugins_check_for_updates() { |
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| 317 | $pluginsxml = array(); |
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| 318 | global $pluginsxml; |
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| 319 | $xml = getUrl('http://plugins.gregarius.net/api.php'); |
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| 320 | $xml = str_replace("\r", '', $xml); |
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| 321 | $xml = str_replace("\n", '', $xml); |
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| 322 | |
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| 323 | $xp = xml_parser_create() or rss_error("couldn't create parser"); |
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| 324 | |
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| 325 | xml_set_element_handler($xp, 'plugins_xml_startElement', 'plugins_xml_endElement') |
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| 326 | or rss_error("couldnt set XML handlers"); |
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| 327 | |
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| 328 | xml_parse($xp, $xml, true) or rss_error("failed parsing xml"); |
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| 329 | xml_parser_free($xp) or rss_error("failed freeing the parser"); |
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| 330 | return $pluginsxml; |
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| 331 | } |
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| 332 | |
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| 333 | function plugins_xml_startElement($xp, $element, $attr) { |
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| 334 | global $pluginsxml; |
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| 335 | |
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| 336 | if ($element == 'PLUGIN' && |
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| 337 | array_key_exists('PID',$attr) && |
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| 338 | array_key_exists('URL',$attr) && |
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| 339 | array_key_exists('VERSION',$attr)) { |
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| 340 | |
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| 341 | $pluginsxml[$attr['PID']] = array($attr['VERSION'],$attr['URL']); |
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| 342 | } |
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| 343 | } |
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| 344 | |
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| 345 | function plugins_xml_endElement($xp, $element) { |
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| 346 | ///global $pluginsxml; |
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| 347 | return; |
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| 348 | } |
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| 349 | |
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| 350 | |
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| 351 | function rss_plugins_redirect_to_admin() { |
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| 352 | rss_redirect("/admin/index.php?" . CST_ADMIN_VIEW . "=" . CST_ADMIN_DOMAIN_PLUGINS); |
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| 353 | } |
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| 354 | |
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| 355 | function rss_plugins_redirect_to_plugin_config($filename) { |
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| 356 | rss_redirect("/admin/index.php" . "?".CST_ADMIN_DOMAIN."=". CST_ADMIN_DOMAIN_PLUGIN_OPTIONS ."&action=". CST_ADMIN_EDIT_ACTION. "&plugin_name=" . $filename); |
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| 357 | } |
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| 358 | |
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| 359 | |
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| 360 | function rss_plugins_is_submit() { |
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| 361 | return array_key_exists("admin_plugin_options_submit_changes", $_REQUEST); |
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| 362 | } |
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| 363 | |
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| 364 | ?> |
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