1 files changed, 116 insertions, 0 deletions
diff --git a/modules/gallery/helpers/rest.php b/modules/gallery/helpers/rest.php
new file mode 100644
index 00000000..a63b94c8
--- /dev/null
+++ b/modules/gallery/helpers/rest.php
@@ -0,0 +1,116 @@
+<?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 {
+  const OK = "200 OK";
+  const CREATED = "201 Created";
+  const ACCEPTED = "202 Accepted";
+  const NO_CONTENT = "204 No Content";
+  const RESET_CONTENT = "205 Reset Content";
+  const PARTIAL_CONTENT = "206 Partial Content";
+  const MOVED_PERMANENTLY = "301 Moved Permanently";
+  const FOUND = "302 Found";
+  const SEE_OTHER = "303 See Other";
+  const NOT_MODIFIED = "304 Not Modified";
+  const TEMPORARY_REDIRECT = "307 Temporary Redirect";
+  const BAD_REQUEST = "400 Bad Request";
+  const UNAUTHORIZED = "401 Unauthorized";
+  const FORBIDDEN = "403 Forbidden";
+  const NOT_FOUND = "404 Not Found";
+  const METHOD_NOT_ALLOWED = "405 Method Not Allowed";
+  const NOT_ACCEPTABLE = "406 Not Acceptable";
+  const CONFLICT = "409 Conflict";
+  const GONE = "410 Gone";
+  const LENGTH_REQUIRED = "411 Length Required";
+  const PRECONDITION_FAILED = "412 Precondition Failed";
+  const UNSUPPORTED_MEDIA_TYPE = "415 Unsupported Media Type";
+  const EXPECTATION_FAILED = "417 Expectation Failed";
+  const INTERNAL_SERVER_ERROR = "500 Internal Server Error";
+  const SERVICE_UNAVAILABLE = "503 Service Unavailable";
+
+  const XML = "application/xml";
+  const ATOM = "application/atom+xml";
+  const RSS = "application/rss+xml";
+  const JSON = "application/json";
+  const HTML = "text/html";
+
+  /**
+   * We're expecting to run in an environment that only supports GET/POST, so expect to tunnel
+   * PUT and DELETE through POST.
+   *
+   * Returns the HTTP request method taking into consideration PUT/DELETE tunneling.
+   * @return string HTTP request method
+   */
+  static function request_method() {
+    if (request::method() == "get") {
+      return "get";
+    } else {
+      $input = Input::instance();
+      switch (strtolower($input->post("_method", $input->get("_method", request::method())))) {
+      case "put":    return "put";
+      case "delete": return "delete";
+      default:       return "post";
+      }
+    }
+  }
+
+  /**
+   * Choose an output format based on what the client prefers to accept.
+   * @return string "html", "xml" or "json"
+   */
+  static function output_format() {
+    // Pick a format, but let it be overridden.
+    $input = Input::instance();
+    $fmt = $input->get(
+      "_format", $input->post(
+        "_format", request::preferred_accept(
+          array("xhtml", "html", "xml", "json"))));
+
+    // Some browsers (Chrome!) prefer xhtml over html, but we'll normalize this to html for now.
+    if ($fmt == "xhtml") {
+      $fmt = "html";
+    }
+    return $fmt;
+  }
+
+  /**
+   * Set HTTP response code.
+   * @param string Use one of the status code constants defined in this class.
+   */
+  static function http_status($status_code) {
+    header("HTTP/1.1 " . $status_code);
+  }
+
+  /**
+   * Set HTTP Location header.
+   * @param string URL
+   */
+  static function http_location($url) {
+    header("Location: " . $url);
+  }
+
+  /**
+   * Set HTTP Content-Type header.
+   * @param string content type
+   */
+  static function http_content_type($type) {
+    header("Content-Type: " . $type);
+  }
+}