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   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * UI for general plugins management
  20   *
  21   * @package    core
  22   * @subpackage admin
  23   * @copyright  2011 David Mudrak <david@moodle.com>
  24   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  
  27  require_once(__DIR__ . '/../config.php');
  28  require_once($CFG->libdir . '/adminlib.php');
  29  require_once($CFG->libdir . '/filelib.php');
  30  
  31  $fetchupdates = optional_param('fetchupdates', false, PARAM_BOOL); // Check for available plugins updates.
  32  $updatesonly = optional_param('updatesonly', false, PARAM_BOOL); // Show updateable plugins only.
  33  $contribonly = optional_param('contribonly', false, PARAM_BOOL); // Show additional plugins only.
  34  $uninstall = optional_param('uninstall', '', PARAM_COMPONENT); // Uninstall the plugin.
  35  $delete = optional_param('delete', '', PARAM_COMPONENT); // Delete the plugin folder after it is uninstalled.
  36  $confirmed = optional_param('confirm', false, PARAM_BOOL); // Confirm the uninstall/delete action.
  37  $return = optional_param('return', 'overview', PARAM_ALPHA); // Where to return after uninstall.
  38  $installupdate = optional_param('installupdate', null, PARAM_COMPONENT); // Install given available update.
  39  $installupdateversion = optional_param('installupdateversion', null, PARAM_INT); // Version of the available update to install.
  40  $installupdatex = optional_param('installupdatex', false, PARAM_BOOL); // Install all available plugin updates.
  41  $confirminstallupdate = optional_param('confirminstallupdate', false, PARAM_BOOL); // Available update(s) install confirmed?
  42  
  43  // NOTE: do not use admin_externalpage_setup() here because it loads
  44  //       full admin tree which is not possible during uninstallation.
  45  
  46  require_login();
  47  $syscontext = context_system::instance();
  48  require_capability('moodle/site:config', $syscontext);
  49  
  50  // URL params we want to maintain on redirects.
  51  $pageparams = array('updatesonly' => $updatesonly, 'contribonly' => $contribonly);
  52  $pageurl = new moodle_url('/admin/plugins.php', $pageparams);
  53  
  54  $pluginman = core_plugin_manager::instance();
  55  
  56  if ($uninstall) {
  57      require_sesskey();
  58  
  59      if (!$confirmed) {
  60          admin_externalpage_setup('pluginsoverview', '', $pageparams);
  61      } else {
  62          $PAGE->set_url($pageurl);
  63          $PAGE->set_context($syscontext);
  64          $PAGE->set_pagelayout('maintenance');
  65          $PAGE->set_popup_notification_allowed(false);
  66      }
  67  
  68      /** @var core_admin_renderer $output */
  69      $output = $PAGE->get_renderer('core', 'admin');
  70  
  71      $pluginfo = $pluginman->get_plugin_info($uninstall);
  72  
  73      // Make sure we know the plugin.
  74      if (is_null($pluginfo)) {
  75          throw new moodle_exception('err_uninstalling_unknown_plugin', 'core_plugin', '', array('plugin' => $uninstall),
  76              'core_plugin_manager::get_plugin_info() returned null for the plugin to be uninstalled');
  77      }
  78  
  79      $pluginname = $pluginman->plugin_name($pluginfo->component);
  80      $PAGE->set_title($pluginname);
  81      $PAGE->navbar->add(get_string('uninstalling', 'core_plugin', array('name' => $pluginname)));
  82  
  83      if (!$pluginman->can_uninstall_plugin($pluginfo->component)) {
  84          throw new moodle_exception('err_cannot_uninstall_plugin', 'core_plugin', '',
  85              array('plugin' => $pluginfo->component),
  86              'core_plugin_manager::can_uninstall_plugin() returned false');
  87      }
  88  
  89      if (!$confirmed) {
  90          $continueurl = new moodle_url($PAGE->url, array('uninstall' => $pluginfo->component, 'sesskey' => sesskey(), 'confirm' => 1, 'return'=>$return));
  91          $cancelurl = $pluginfo->get_return_url_after_uninstall($return);
  92          echo $output->plugin_uninstall_confirm_page($pluginman, $pluginfo, $continueurl, $cancelurl);
  93          exit();
  94  
  95      } else {
  96          $SESSION->pluginuninstallreturn = $pluginfo->get_return_url_after_uninstall($return);
  97          $progress = new progress_trace_buffer(new text_progress_trace(), false);
  98          $pluginman->uninstall_plugin($pluginfo->component, $progress);
  99          $progress->finished();
 100  
 101          if ($pluginman->is_plugin_folder_removable($pluginfo->component)) {
 102              $continueurl = new moodle_url($PAGE->url, array('delete' => $pluginfo->component, 'sesskey' => sesskey(), 'confirm' => 1));
 103              echo $output->plugin_uninstall_results_removable_page($pluginman, $pluginfo, $progress, $continueurl);
 104              // Reset op code caches.
 105              if (function_exists('opcache_reset')) {
 106                  opcache_reset();
 107              }
 108              exit();
 109  
 110          } else {
 111              echo $output->plugin_uninstall_results_page($pluginman, $pluginfo, $progress);
 112              // Reset op code caches.
 113              if (function_exists('opcache_reset')) {
 114                  opcache_reset();
 115              }
 116              exit();
 117          }
 118      }
 119  }
 120  
 121  if ($delete and $confirmed) {
 122      require_sesskey();
 123  
 124      $PAGE->set_url($pageurl);
 125      $PAGE->set_context($syscontext);
 126      $PAGE->set_pagelayout('maintenance');
 127      $PAGE->set_popup_notification_allowed(false);
 128  
 129      /** @var core_admin_renderer $output */
 130      $output = $PAGE->get_renderer('core', 'admin');
 131  
 132      $pluginfo = $pluginman->get_plugin_info($delete);
 133  
 134      // Make sure we know the plugin.
 135      if (is_null($pluginfo)) {
 136          throw new moodle_exception('err_removing_unknown_plugin', 'core_plugin', '', array('plugin' => $delete),
 137              'core_plugin_manager::get_plugin_info() returned null for the plugin to be deleted');
 138      }
 139  
 140      $pluginname = $pluginman->plugin_name($pluginfo->component);
 141      $PAGE->set_title($pluginname);
 142      $PAGE->navbar->add(get_string('uninstalling', 'core_plugin', array('name' => $pluginname)));
 143  
 144      // Make sure it is not installed.
 145      if (!is_null($pluginfo->versiondb)) {
 146          throw new moodle_exception('err_removing_installed_plugin', 'core_plugin', '',
 147              array('plugin' => $pluginfo->component, 'versiondb' => $pluginfo->versiondb),
 148              'core_plugin_manager::get_plugin_info() returned not-null versiondb for the plugin to be deleted');
 149      }
 150  
 151      // Make sure the folder is within Moodle installation tree.
 152      if (strpos($pluginfo->rootdir, $CFG->dirroot) !== 0) {
 153          throw new moodle_exception('err_unexpected_plugin_rootdir', 'core_plugin', '',
 154              array('plugin' => $pluginfo->component, 'rootdir' => $pluginfo->rootdir, 'dirroot' => $CFG->dirroot),
 155              'plugin root folder not in the moodle dirroot');
 156      }
 157  
 158      // So long, and thanks for all the bugs.
 159      $pluginman->remove_plugin_folder($pluginfo);
 160  
 161      // We need to execute upgrade to make sure everything including caches is up to date.
 162      redirect(new moodle_url('/admin/index.php'));
 163  }
 164  
 165  // Install all avilable updates.
 166  if ($installupdatex) {
 167      require_once($CFG->libdir.'/upgradelib.php');
 168      require_sesskey();
 169  
 170      $PAGE->set_url($pageurl);
 171      $PAGE->set_context($syscontext);
 172      $PAGE->set_pagelayout('maintenance');
 173      $PAGE->set_popup_notification_allowed(false);
 174  
 175      $installable = $pluginman->filter_installable($pluginman->available_updates());
 176      upgrade_install_plugins($installable, $confirminstallupdate,
 177          get_string('updateavailableinstallallhead', 'core_admin'),
 178          new moodle_url($PAGE->url, array('installupdatex' => 1, 'confirminstallupdate' => 1))
 179      );
 180  }
 181  
 182  // Install single available update.
 183  if ($installupdate and $installupdateversion) {
 184      require_once($CFG->libdir.'/upgradelib.php');
 185      require_sesskey();
 186  
 187      $PAGE->set_url($pageurl);
 188      $PAGE->set_context($syscontext);
 189      $PAGE->set_pagelayout('maintenance');
 190      $PAGE->set_popup_notification_allowed(false);
 191  
 192      if ($pluginman->is_remote_plugin_installable($installupdate, $installupdateversion)) {
 193          $installable = array($pluginman->get_remote_plugin_info($installupdate, $installupdateversion, true));
 194          upgrade_install_plugins($installable, $confirminstallupdate,
 195              get_string('updateavailableinstallallhead', 'core_admin'),
 196              new moodle_url($PAGE->url, array('installupdate' => $installupdate,
 197                  'installupdateversion' => $installupdateversion, 'confirminstallupdate' => 1)
 198              )
 199          );
 200      }
 201  }
 202  
 203  admin_externalpage_setup('pluginsoverview', '', $pageparams);
 204  
 205  /** @var core_admin_renderer $output */
 206  $output = $PAGE->get_renderer('core', 'admin');
 207  
 208  $checker = \core\update\checker::instance();
 209  
 210  if ($fetchupdates) {
 211      require_sesskey();
 212      $checker->fetch();
 213      redirect($PAGE->url);
 214  }
 215  
 216  echo $output->plugin_management_page($pluginman, $checker, $pageparams);