diff --git a/core/control/HTTPResponse.php b/core/control/HTTPResponse.php
new file mode 100644
index 000000000..7aeb942db
--- /dev/null
+++ b/core/control/HTTPResponse.php
@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * Represenets an HTTPResponse returned by a controller.
+ */
+class HTTPResponse extends Object {
+	protected static $status_codes = array(
+		100 => 'Continue',
+		101 => 'Switching Protocols',
+		200 => 'OK',
+		201 => 'Created',
+		202 => 'Accepted',
+		203 => 'Non-Authoritative Information',
+		204 => 'No Content',
+		205 => 'Reset Content',
+		206 => 'Partial Content',
+		301 => 'Moved Permanently',
+		302 => 'Found',
+		303 => 'See Other',
+		304 => 'Not Modified',
+		305 => 'Use Proxy',
+		307 => 'Temporary Redirect',
+		400 => 'Bad Request',
+		401 => 'Unauthorized',
+		403 => 'Forbidden',
+		404 => 'Not Found',
+		405 => 'Method Not Allowed',
+		406 => 'Not Acceptable',
+		407 => 'Proxy Authentication Required',
+		408 => 'Request Timeout',
+		409 => 'Conflict',
+		410 => 'Gone',
+		411 => 'Length Required',
+		412 => 'Precondition Failed',
+		413 => 'Request Entity Too Large',
+		414 => 'Request-URI Too Long',
+		415 => 'Unsupported Media Type',
+		416 => 'Request Range Not Satisfiable',
+		417 => 'Expectation Failed',
+		500 => 'Internal Server Error',
+		501 => 'Not Implemented',
+		502 => 'Bad Gateway',
+		503 => 'Service Unavailable',
+		504 => 'Gateway Timeout',
+		505 => 'HTTP Version Not Supported',
+	);
+	
+	protected $statusCode = 200;
+	protected $headers = array();
+	protected $body = null;
+	
+	function setStatusCode($code) {
+		if(isset(self::$status_codes[$code])) $this->statusCode = $code;
+		else user_error("Unrecognised HTTP status code '$code'", E_USER_WARNING);
+	}
+	
+	function setBody($body) {
+		$this->body = $body;
+	}
+	function getBody() {
+		return $this->body;
+	}
+	
+	function addHeader($header, $value) {
+		$this->headers[$header] = $value;
+	}
+	
+	function redirect($dest) {
+		$this->statusCode = 302;
+		$this->headers['Location'] = $dest;
+	}
+
+	/**
+	 * Send this HTTPReponse to the browser
+	 */
+	function output() {
+		if($this->statusCode == 302 && headers_sent($file, $line)) {
+			$url = $this->headers['Location'];
+			echo 
+			"<p>Redirecting to <a href=\"$url\" title=\"Please click this link if your browser does not redirect you\">$url... (output started on $file, line $line)</a></p>
+			<meta http-equiv=\"refresh\" content=\"1; url=$url\" />
+			<script type=\"text/javascript\">setTimeout('window.location.href = \"$url\"', 50);</script>";
+		} else {
+			if(!headers_sent()) {
+				header("HTTP/1.1 $this->statusCode " . self::$status_codes[$this->statusCode]);
+				foreach($this->headers as $header => $value) {
+					header("$header: $value");
+				}
+			}
+			
+			echo $this->body;
+		}
+	}
+	
+	/**
+	 * Returns true if this response is "finished", that is, no more script execution should be done.
+	 * Specifically, returns true if a redirect has already been requested
+	 */
+	function isFinished() {
+		return $this->statusCode == 302 || $this->statusCode == 301;
+	}
+	
+}
\ No newline at end of file