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Support bundle with extension #13

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Support bundle with extension #13

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26 changes: 25 additions & 1 deletion lib/engine.js
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,31 @@ var sendResponse = function(jDoc, myRes, ip, bid, callback, gzip) {

var responseHeaders = {'Content-Type': responseType, 'vary': 'Accept-Encoding', 'max-age': jDoc.secleft, 'cache-control': 'public, max-age='+jDoc.secleft+', no-transform', "Expires": jDoc.expires, "Last-Modified": jDoc.lastModified};

doc = JSON.stringify(jDoc);
var ext = bid.match(/\.[\w]+$/);
if (ext && (ext = ext[0])) {
// When the bid has an extension, we only return the first api.
var first = _.find(jDoc, function(api, key) {
return api && api.cname;
});
doc = first.result;

switch (ext) {
case ".kml":
case ".xml":
// When expecting response is KML or XML, we set the correct Content-Type
// and wrap it with quotes if it's a JSONP request.
responseHeaders['Content-Type'] = 'text/xml';
callback && (doc = "'"+ doc+"'");
break;
case ".json":
// Content-Type for JSON is already set above.
doc = JSON.stringify(doc);
default:
break;
}
} else {
doc = JSON.stringify(jDoc);
}

if (callback) {
doc = callback + '(' + doc + ');';
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