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https://github.com/pomerium/pomerium.git
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782ffbeb3e
proxy: remove duplicate error handling in New proxy: remove routeConfigs in favor of using gorilla/mux proxy: add proxy specific middleware proxy: no longer need to use middleware / handler to check if valid route. Can use build in 404 mux. internal/middleware: add cors bypass middleware Signed-off-by: Bobby DeSimone <bobbydesimone@gmail.com>
31 lines
1 KiB
Go
31 lines
1 KiB
Go
package httputil // import "github.com/pomerium/pomerium/internal/httputil"
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import (
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stdlog "log"
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"net/http"
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"net/http/httputil"
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"net/url"
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"github.com/pomerium/pomerium/internal/log"
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)
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// HeaderForwardHost is the header key the identifies the originating
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// IP addresses of a client connecting to a web server through an HTTP proxy
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// or a load balancer.
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const HeaderForwardHost = "X-Forwarded-Host"
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// NewReverseProxy returns a new ReverseProxy that routes
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// URLs to the scheme, host, and base path provided in target,
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// rewrites the Host header, and sets `X-Forwarded-Host`.
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func NewReverseProxy(target *url.URL) *httputil.ReverseProxy {
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reverseProxy := httputil.NewSingleHostReverseProxy(target)
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sublogger := log.With().Str("reverse-proxy", target.Host).Logger()
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reverseProxy.ErrorLog = stdlog.New(&log.StdLogWrapper{Logger: &sublogger}, "", 0)
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director := reverseProxy.Director
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reverseProxy.Director = func(req *http.Request) {
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req.Header.Add(HeaderForwardHost, req.Host)
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director(req)
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req.Host = target.Host
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}
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return reverseProxy
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}
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