1 files changed, 56 insertions, 3 deletions
diff --git a/core/helpers/rest.php b/core/helpers/rest.php
index 154ef6f6..dabff770 100644
--- a/core/helpers/rest.php
+++ b/core/helpers/rest.php
@@ -19,12 +19,41 @@
  */
 
 class REST_Core {
+  const OK = "200 OK";
+  const CREATED = "201 Created";
+  const ACCEPTED = "202 Accepted";
+  const NO_CONTENT = "204 No Content";
+  const PARTIAL_CONTENT = "206 Partial Content";
+  const MOVED_PERMANENTLY = "301 Moved Permanently";
+  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.
-   * @todo Move this to a MY_request helper?
    * @return string HTTP request method
    */
   public static function request_method() {
@@ -32,7 +61,7 @@ class REST_Core {
       return "get";
     } else {
       $input = Input::instance();
-      switch ($input->post("_method", $input->get("_method"))) {
+      switch (strtolower($input->post("_method", $input->get("_method")))) {
       case "put":    return "put";
       case "delete": return "delete";
       default:       return "post";
@@ -46,10 +75,34 @@ class REST_Core {
    */
   public static function output_format() {
     // Pick a format, but let it be overridden.
-      $input = Input::instance();
+    $input = Input::instance();
     return $input->get(
       "_format", $input->post(
         "_format", request::preferred_accept(
           array("html", "xml", "json"))));
   }
+
+  /**
+   * Set HTTP response code.
+   * @param string Use one of status code constants defined in this class.
+   */
+  public static function http_status($status_code) {
+    header("HTTP 1.1 " . $status_code);
+  }
+
+  /**
+   * Set HTTP Location header.
+   * @param string URL
+   */
+  public static function http_location($url) {
+    header("Location: " . $url);
+  }
+
+  /**
+   * Set HTTP Content-Type header.
+   * @param string content type
+   */
+  public static function http_content_type($type) {
+    header("Content-Type: " . $type);
+  }
 }