mirror of
https://github.com/grafana/grafana.git
synced 2024-11-27 11:20:27 -06:00
101 lines
2.8 KiB
Go
101 lines
2.8 KiB
Go
package api
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"net"
|
|
"net/http"
|
|
"net/http/httputil"
|
|
"net/url"
|
|
"time"
|
|
|
|
"github.com/grafana/grafana/pkg/api/cloudwatch"
|
|
"github.com/grafana/grafana/pkg/bus"
|
|
"github.com/grafana/grafana/pkg/middleware"
|
|
m "github.com/grafana/grafana/pkg/models"
|
|
"github.com/grafana/grafana/pkg/setting"
|
|
"github.com/grafana/grafana/pkg/util"
|
|
)
|
|
|
|
var dataProxyTransport = &http.Transport{
|
|
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
|
|
Proxy: http.ProxyFromEnvironment,
|
|
Dial: (&net.Dialer{
|
|
Timeout: 30 * time.Second,
|
|
KeepAlive: 30 * time.Second,
|
|
}).Dial,
|
|
TLSHandshakeTimeout: 10 * time.Second,
|
|
}
|
|
|
|
func NewReverseProxy(ds *m.DataSource, proxyPath string, targetUrl *url.URL) *httputil.ReverseProxy {
|
|
director := func(req *http.Request) {
|
|
req.URL.Scheme = targetUrl.Scheme
|
|
req.URL.Host = targetUrl.Host
|
|
req.Host = targetUrl.Host
|
|
|
|
reqQueryVals := req.URL.Query()
|
|
|
|
if ds.Type == m.DS_INFLUXDB_08 {
|
|
req.URL.Path = util.JoinUrlFragments(targetUrl.Path, "db/"+ds.Database+"/"+proxyPath)
|
|
reqQueryVals.Add("u", ds.User)
|
|
reqQueryVals.Add("p", ds.Password)
|
|
req.URL.RawQuery = reqQueryVals.Encode()
|
|
} else if ds.Type == m.DS_INFLUXDB {
|
|
req.URL.Path = util.JoinUrlFragments(targetUrl.Path, proxyPath)
|
|
reqQueryVals.Add("db", ds.Database)
|
|
req.URL.RawQuery = reqQueryVals.Encode()
|
|
if !ds.BasicAuth {
|
|
req.Header.Del("Authorization")
|
|
req.Header.Add("Authorization", util.GetBasicAuthHeader(ds.User, ds.Password))
|
|
}
|
|
} else {
|
|
req.URL.Path = util.JoinUrlFragments(targetUrl.Path, proxyPath)
|
|
}
|
|
|
|
if ds.BasicAuth {
|
|
req.Header.Del("Authorization")
|
|
req.Header.Add("Authorization", util.GetBasicAuthHeader(ds.BasicAuthUser, ds.BasicAuthPassword))
|
|
}
|
|
|
|
// clear cookie headers
|
|
req.Header.Del("Cookie")
|
|
req.Header.Del("Set-Cookie")
|
|
}
|
|
|
|
return &httputil.ReverseProxy{Director: director}
|
|
}
|
|
|
|
func getDatasource(id int64, orgId int64) (*m.DataSource, error) {
|
|
query := m.GetDataSourceByIdQuery{Id: id, OrgId: orgId}
|
|
if err := bus.Dispatch(&query); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &query.Result, nil
|
|
}
|
|
|
|
func ProxyDataSourceRequest(c *middleware.Context) {
|
|
ds, err := getDatasource(c.ParamsInt64(":id"), c.OrgId)
|
|
if err != nil {
|
|
c.JsonApiErr(500, "Unable to load datasource meta data", err)
|
|
return
|
|
}
|
|
|
|
targetUrl, _ := url.Parse(ds.Url)
|
|
if len(setting.DataProxyWhiteList) > 0 {
|
|
if _, exists := setting.DataProxyWhiteList[targetUrl.Host]; !exists {
|
|
c.JsonApiErr(403, "Data proxy hostname and ip are not included in whitelist", nil)
|
|
return
|
|
}
|
|
}
|
|
|
|
if ds.Type == m.DS_CLOUDWATCH {
|
|
cloudwatch.HandleRequest(c, ds)
|
|
} else {
|
|
proxyPath := c.Params("*")
|
|
proxy := NewReverseProxy(ds, proxyPath, targetUrl)
|
|
proxy.Transport = dataProxyTransport
|
|
proxy.ServeHTTP(c.Resp, c.Req.Request)
|
|
c.Resp.Header().Del("Set-Cookie")
|
|
}
|
|
}
|