#538660 by JacobSingh, dww, JoshuaRogers, adrian, Crell, chx, anarcat, and cwgordon7: Add a functioning Plugin Manager to core. Can you say module installation and updates through the UI? I knew you could! :D

1 files changed, 232 insertions, 0 deletions

diff --git a/includes/authorize.inc b/includes/authorize.inc
new file mode 100644
index 000000000..b97d8a288
--- /dev/null
+++ b/includes/authorize.inc
@@ -0,0 +1,232 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Helper functions and form handlers used for the authorize.php script.
+ */
+
+/**
+ * Build the form for choosing a FileTransfer type and supplying credentials.
+ */
+function authorize_filetransfer_form($form_state) {
+  global $base_url;
+  $form = array();
+
+  $form['#action'] = $base_url . '/authorize.php';
+  // CSS we depend on lives in modules/system/maintenance.css, which is loaded
+  // via the default maintenance theme.
+  $form['#attached']['js'][] = $base_url . '/misc/authorize.js';
+  
+  // Get all the available ways to transfer files.
+  if (empty($_SESSION['authorize_filetransfer_backends'])) {
+    drupal_set_message(t('Unable to continue, no available methods of file transfer'), 'error');
+    return array();
+  }
+  $available_backends = $_SESSION['authorize_filetransfer_backends'];
+  uasort($available_backends, 'drupal_sort_weight');
+
+  // Decide on a default backend.
+  if (isset($form_state['values']['connection_settings']['authorize_filetransfer_default'])) {
+    $authorize_filetransfer_default = $form_state['values']['connection_settings']['authorize_filetransfer_default'];
+  }
+  elseif ($authorize_filetransfer_default = variable_get('authorize_filetransfer_default', NULL));
+  else {
+    $authorize_filetransfer_default = key($available_backends);
+  }
+
+  $form['information']['main_header'] = array(
+    '#prefix' => '<h3>',
+    '#markup' => t('To continue please provide your server connection details'),
+    '#suffix' => '</h3>',
+  );
+
+  $form['connection_settings']['#tree'] = TRUE;
+  $form['connection_settings']['authorize_filetransfer_default'] = array(
+    '#type' => 'select',
+    '#title' => t('Connection method'),
+    '#default_value' => $authorize_filetransfer_default,
+    '#weight' => -10,
+  );
+
+  /*
+   * Here we create two submit buttons. For a JS enabled client, they will
+   * only ever see submit_process. However, if a client doesn't have JS
+   * enabled, they will see submit_connection on the first form (whden picking
+   * what filetranfer type to use, and submit_process on the second one (which
+   * leads to the actual operation)
+   */
+  $form['submit_connection'] = array(
+    '#prefix' => "<br style='clear:both'/>",
+    '#name' => 'enter_connection_settings', // This is later changed in JS.
+    '#type' => 'submit',
+    '#value' => t('Enter connetion settings'), // As is this. @see authorize.js.
+    '#weight' => 100,
+  );
+
+  $form['submit_process'] = array(
+    '#name' => 'process_updates', // This is later changed in JS.
+    '#type' => 'submit',
+    '#value' => t('Process Updates'), // As is this. @see authorize.js
+    '#weight' => 100,
+    '#attributes' => array('style' => 'display:none'),
+  );
+
+  // Build a hidden fieldset for each one.
+  foreach ($available_backends as $name => $backend) {
+    $form['connection_settings']['authorize_filetransfer_default']['#options'][$name] = $backend['title'];
+    $form['connection_settings'][$name] = array(
+      '#type' => 'fieldset',
+      '#attributes' => array('class' => "filetransfer-$name filetransfer"),
+      '#title' => t('@backend connection settings', array('@backend' => $backend['title'])),
+    );
+
+    $current_settings = variable_get("authorize_filetransfer_connection_settings_" . $name, array());
+    $form['connection_settings'][$name] += system_get_filetransfer_settings_form($name, $current_settings);
+
+    // Start non-JS code.
+    if (isset($form_state['values']['connection_settings']['authorize_filetransfer_default']) && $form_state['values']['connection_settings']['authorize_filetransfer_default'] == $name) {
+
+      // If the user switches from JS to non-JS, Drupal (and Batch API) will
+      // barf. This is a known bug: http://drupal.org/node/229825.
+      setcookie('has_js', '', time() - 3600, '/');
+      unset($_COOKIE['has_js']);
+
+      // Change the submit button to the submit_process one.
+      $form['submit_process']['#attributes'] = array();
+      unset($form['submit_connection']);
+
+      // Activate the proper filetransfer settings form.
+      $form['connection_settings'][$name]['#attributes']['style'] = 'display:block';
+      // Disable the select box.
+      $form['connection_settings']['authorize_filetransfer_default']['#disabled'] = TRUE;
+
+      // Create a button for changing the type of connection.
+      $form['connection_settings']['change_connection_type'] = array(
+        '#name' => 'change_connection_type',
+        '#type' => 'submit',
+        '#value' => t('Change connection type'),
+        '#weight' => -5,
+        '#attributes' => array('class' => 'filetransfer-change-connection-type'),
+      );
+    }
+    // End non-JS code.
+  }
+  return $form;
+}
+
+/**
+ * Validate callback for the filetransfer authorization form.
+ *
+ * @see authorize_filetransfer_form()
+ */
+function authorize_filetransfer_form_validate($form, &$form_state) {
+  if (isset($form_state['values']['connection_settings'])) {
+    $backend = $form_state['values']['connection_settings']['authorize_filetransfer_default'];
+    $filetransfer = authorize_get_filetransfer($backend, $form_state['values']['connection_settings'][$backend]);
+    try {
+      if (!$filetransfer) {
+        throw new Exception(t("Error, this type of connection protocol (%backend) doesn't exist.", array('%backend' => $backend)));
+      }
+      $filetransfer->connect();
+    }
+    catch (Exception $e) {
+      form_set_error('connection_settings', $e->getMessage());
+    }
+  }
+}
+
+/**
+ * Submit callback when a file transfer is being authorized.
+ *
+ * @see authorize_filetransfer_form()
+ */
+function authorize_filetransfer_form_submit($form, &$form_state) {
+  global $base_url;
+  switch ($form_state['clicked_button']['#name']) {
+    case 'process_updates':
+
+      // Save the connection settings to the DB.
+      $filetransfer_backend = $form_state['values']['connection_settings']['authorize_filetransfer_default'];
+
+      // If the database is available then try to save our settings. We have
+      // to make sure it is available since this code could potentially (will
+      // likely) be called during the installation process, before the
+      // database is set up.
+      if (db_is_active()) {
+        $connection_settings = array();
+        foreach ($form_state['values']['connection_settings'][$filetransfer_backend] as $key => $value) {
+          // We do *not* want to store passwords in the database, unless the
+          // backend explicitly says so via the magic #filetransfer_save form
+          // property. Otherwise, we store everything that's not explicitly
+          // marked with #filetransfer_save set to FALSE.
+          if (!isset($form['connection_settings'][$filetransfer_backend][$key]['#filetransfer_save'])) {
+            if ($form['connection_settings'][$filetransfer_backend][$key]['#type'] != 'password') {
+              $connection_settings[$key] = $value;
+            }
+          }
+          // The attribute is defined, so only save if set to TRUE.
+          elseif ($form['connection_settings'][$filetransfer_backend][$key]['#filetransfer_save']) {
+            $connection_settings[$key] = $value;
+          }
+        }
+        // Set this one as the default authorize method.
+        variable_set('authorize_filetransfer_default', $filetransfer_backend);
+        // Save the connection settings minus the password.
+        variable_set("authorize_filetransfer_connection_settings_" . $filetransfer_backend, $connection_settings);
+
+        $filetransfer = authorize_get_filetransfer($filetransfer_backend, $form_state['values']['connection_settings'][$filetransfer_backend]);
+        
+        // Now run the operation.
+        authorize_run_operation($filetransfer);
+      }
+      break;
+
+    case 'enter_connection_settings':
+      $form_state['rebuild'] = TRUE;
+      break;
+
+    case 'change_connection_type':
+      $form_state['rebuild'] = TRUE;
+      unset($form_state['values']['connection_settings']['authorize_filetransfer_default']);
+      break;
+  }
+}
+
+/**
+ * Run the operation specified in $_SESSION['authorize_operation']
+ *
+ * @param $filetransfer
+ *   The FileTransfer object to use for running the operation.
+ */
+function authorize_run_operation($filetransfer) {
+  $operation = $_SESSION['authorize_operation'];
+  unset($_SESSION['authorize_operation']);
+
+  if (!empty($operation['page_title'])) {
+    drupal_set_title(check_plain($operation['page_title']));
+  }
+
+  require_once DRUPAL_ROOT . '/' . $operation['file'];
+  call_user_func_array($operation['callback'], array_merge(array($filetransfer), $operation['arguments']));
+}
+
+/**
+ * Get a FileTransfer class for a specific transfer method and settings.
+ *
+ * @param $backend
+ *   The FileTransfer backend to get the class for.
+ * @param $settings
+ *   Array of settings for the FileTransfer.
+ * @return
+ *   An instantiated FileTransfer object for the requested method and settings,
+ *   or FALSE if there was an error finding or instantiating it.
+ */
+function authorize_get_filetransfer($backend, $settings = array()) {
+  $filetransfer = FALSE;
+  if (!empty($_SESSION['authorize_filetransfer_backends'][$backend])) {
+    $filetransfer = call_user_func_array(array($_SESSION['authorize_filetransfer_backends'][$backend]['class'], 'factory'), array(DRUPAL_ROOT, $settings));
+  }
+  return $filetransfer;
+}
+