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Fix issue where front-end is HTTPS, back-end is HTTP, and server issues a redirect.

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This handles the case where a back-end web application such as Django or
Rails issues a redirect and automatically decorates the URL with the
protocol with which it was addressed.  If the back-ends are internal and
HTTP-only, then they'll issue a URL with 'http://' as the protocol.
This must be fixed before leaving the proxy.

This also handles the (unusual) case where a back-end speaks only
https://, but the user is deploying node-http-proxy to make that service
available to non-SSL capable browsers.  Works only with 301 and 302
codes.
This commit is contained in:
Ken "Elf" Mathieu Sternberg 2011-11-29 10:10:16 -08:00
parent 553e7fbc33
commit 411bb51cc6
1 changed files with 9 additions and 0 deletions
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9
lib/node-http-proxy/http-proxy.js
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@ -213,6 +213,15 @@ HttpProxy.prototype.proxyRequest = function (req, res, buffer) {
delete response.headers['transfer-encoding'];
}
if ((response.statusCode === 301) || (response.statusCode === 302)) {
if (self.source.https && !self.target.https) {
response.headers.location = response.headers.location.replace(/^http\:/, 'https:');
}
if (self.target.https && !self.source.https) {
response.headers.location = response.headers.location.replace(/^https\:/, 'http:');
}
}
// Set the headers of the client response
res.writeHead(response.statusCode, response.headers);