mirror of https://github.com/grafana/grafana.git
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
package api
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import (
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"net"
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"net/http"
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"net/http/httputil"
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"net/url"
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"time"
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"github.com/grafana/grafana/pkg/infra/log"
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contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
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"github.com/grafana/grafana/pkg/util"
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"github.com/grafana/grafana/pkg/util/proxyutil"
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"github.com/grafana/grafana/pkg/web"
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)
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var grafanaComProxyTransport = &http.Transport{
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Proxy: http.ProxyFromEnvironment,
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DialContext: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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}).DialContext,
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TLSHandshakeTimeout: 10 * time.Second,
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}
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func ReverseProxyGnetReq(logger log.Logger, proxyPath string, version string, grafanaComAPIUrl string) *httputil.ReverseProxy {
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url, _ := url.Parse(grafanaComAPIUrl)
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director := func(req *http.Request) {
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req.URL.Scheme = url.Scheme
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req.URL.Host = url.Host
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req.Host = url.Host
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req.URL.Path = util.JoinURLFragments(url.Path, proxyPath)
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// clear cookie headers
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req.Header.Del("Cookie")
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req.Header.Del("Set-Cookie")
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req.Header.Del("Authorization")
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// send the current Grafana version for each request proxied to GCOM
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req.Header.Add("grafana-version", version)
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}
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return proxyutil.NewReverseProxy(logger, director)
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}
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func (hs *HTTPServer) ProxyGnetRequest(c *contextmodel.ReqContext) {
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proxyPath := web.Params(c.Req)["*"]
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proxy := ReverseProxyGnetReq(c.Logger, proxyPath, hs.Cfg.BuildVersion, hs.Cfg.GrafanaComAPIURL)
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proxy.Transport = grafanaComProxyTransport
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proxy.ServeHTTP(c.Resp, c.Req)
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}
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