1 files changed, 105 insertions, 0 deletions
diff --git a/modules/rest/helpers/rest.php b/modules/rest/helpers/rest.php
new file mode 100644
index 00000000..7e2445e4
--- /dev/null
+++ b/modules/rest/helpers/rest.php
@@ -0,0 +1,105 @@
+<?php defined("SYSPATH") or die("No direct script access.");/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2009 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class rest_Core {
+  /**
+   * Request failed
+   */
+  static function fail($log_message=null) {
+    if (!empty($log_message)) {
+      Kohana_Log::add("info", $log_message);
+    }
+    // We don't need to save the session for this request
+    Session::abort_save();
+    return json_encode(array("status" => "ERROR", "message" => (string)$message));
+  }
+
+  /**
+   * Success
+   */
+  static function success($response_data=array(), $message=null) {
+    $response = array("status" => "OK");
+    if (!empty($message)) {
+      $response["message"] = (string)$message;
+    }
+    $response = array_merge($response, $response_data);
+
+    // We don't need to save the session for this request
+    Session::abort_save();
+    return json_encode($response);
+  }
+
+  /**
+   * Validation Error
+   */
+  static function validation_error($error_data) {
+    $response = array("status" => "VALIDATE_ERROR");
+    $response = array_merge($response, array("fields" => $error_data));
+
+    // We don't need to save the session for this request
+    Session::abort_save();
+    return json_encode($response);
+  }
+
+
+  static function normalize_request($args=array()) {
+    $input = Input::instance();
+    $method = strtolower($input->server("REQUEST_METHOD"));
+    $request = new stdClass();
+    foreach (array_keys($input->get()) as $key) {
+      $request->$key = $input->get($key);
+    }
+    if ($method != "get") {
+      foreach (array_keys($input->post()) as $key) {
+        $request->$key = $input->post($key);
+      }
+      foreach (array_keys($_FILES) as $key) {
+        $request->$key = $_FILES[$key];
+      }
+    }
+
+    $request->method = strtolower($input->server("HTTP_X_GALLERY_REQUEST_METHOD", $method));
+    $request->access_token = $input->server("HTTP_X_GALLERY_REQUEST_KEY");
+    $request->arguments = $args;  // Let the rest handler figure out what the arguments mean
+
+    return $request;
+  }
+
+  static function set_active_user($access_token) {
+    if (empty($access_token)) {
+      $user = identity::guest();
+    } else {
+      $key = ORM::factory("user_access_token")
+        ->where("access_key", "=", $access_token)
+        ->find();
+
+      if ($key->loaded()) {
+        $user = identity::lookup_user($key->user_id);
+        if (empty($user)) {
+          Rest_Exception::trigger(403, "Forbidden", $log_message,
+                                  "User not found: {$key->user_id}");
+        }
+      } else {
+        Rest_Exception::trigger(403, "Forbidden", $log_message,
+                                "Invalid user access token supplied: {$key->user_id}");
+      }
+    }
+    identity::set_active_user($user);
+    return true;
+  }
+}