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Add lambda-api integration #917

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Add lambda-api integration #917

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18 changes: 16 additions & 2 deletions lib/middleware/authenticate.js
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,13 @@ module.exports = function authenticate(passport, name, options, callback) {
multi = false;
}

function isLambdaApiResponse(res) {
return typeof res === 'object' &&
typeof res.setHeader === 'undefined' &&
typeof res.location === 'function' &&
typeof res.end === 'undefined';
}

return function authenticate(req, res, next) {
req.login =
req.logIn = req.logIn || IncomingMessageExt.logIn;
Expand Down Expand Up @@ -160,7 +167,7 @@ module.exports = function authenticate(passport, name, options, callback) {
failure = failures[j];
challenge = failure.challenge;
status = failure.status;

rstatus = rstatus || status;
if (typeof challenge == 'string') {
rchallenge.push(challenge);
Expand Down Expand Up @@ -326,8 +333,15 @@ module.exports = function authenticate(passport, name, options, callback) {
// Express 4.x: res.redirect(status, url)
// - all versions (as of 4.8.7) continue to accept res.redirect(url, status)
// but issue deprecated versions
var statusCode = status || 302;

res.statusCode = status || 302;
if (isLambdaApiResponse(res)) {
res.location(url).status(statusCode);
res.send({});
return;
}

res.statusCode = statusCode;
res.setHeader('Location', url);
res.setHeader('Content-Length', '0');
res.end();
Expand Down