+
+/*!
+ * Connect - methodOverride
+ * Copyright(c) 2010 Sencha Inc.
+ * Copyright(c) 2011 TJ Holowaychuk
+ * MIT Licensed
+ */
+
+/**
+ * Provides faux HTTP method support.
+ *
+ * Pass an optional `key` to use when checking for
+ * a method override, othewise defaults to _\_method_.
+ * The original method is available via `req.originalMethod`.
+ *
+ * @param {String} key
+ * @return {Function}
+ * @api public
+ */
+
+module.exports = function methodOverride(key){
+ key = key || "_method";
+ return function methodOverride(req, res, next) {
+ req.originalMethod = req.originalMethod || req.method;
+
+ // req.body
+ if (req.body && key in req.body) {
+ req.method = req.body[key].toUpperCase();
+ delete req.body[key];
+ // check X-HTTP-Method-Override
+ } else if (req.headers['x-http-method-override']) {
+ req.method = req.headers['x-http-method-override'].toUpperCase();
+ }
+
+ next();
+ };
+};
+