func NewReverseProxy(ds *m.DataSource, proxyPath string) *httputil.ReverseProxy {
target, _ := url.Parse(ds.Url)
director := func(req *http.Request) {
req.URL.Scheme = target.Scheme
req.URL.Host = target.Host
req.Host = target.Host
reqQueryVals := req.URL.Query()
if ds.Type == m.DS_INFLUXDB_08 {
req.URL.Path = util.JoinUrlFragments(target.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(target.Path, proxyPath)
reqQueryVals.Add("db", ds.Database)
req.URL.RawQuery = reqQueryVals.Encode()
if !ds.BasicAuth {
req.Header.Add("Authorization", util.GetBasicAuthHeader(ds.User, ds.Password))
}
} else {
req.URL.Path = util.JoinUrlFragments(target.Path, proxyPath)
}
if ds.BasicAuth {
req.Header.Add("Authorization", util.GetBasicAuthHeader(ds.BasicAuthUser, ds.BasicAuthPassword))
}
}
return &httputil.ReverseProxy{Director: director}
}
func (fp *FrontendPluginBase) setPathsBasedOnApp(app *AppPlugin) {
appSubPath := strings.Replace(fp.PluginDir, app.PluginDir, "", 1)
fp.IncludedInAppId = app.Id
fp.BaseUrl = app.BaseUrl
if isExternalPlugin(app.PluginDir) {
fp.Module = util.JoinUrlFragments("plugins/"+app.Id, appSubPath) + "/module"
} else {
fp.Module = util.JoinUrlFragments("app/plugins/app/"+app.Id, appSubPath) + "/module"
}
}
func InitApiPluginRoutes(r *macaron.Macaron) {
for _, plugin := range plugins.ApiPlugins {
log.Info("Plugin: Adding proxy routes for api plugin")
for _, route := range plugin.Routes {
url := util.JoinUrlFragments("/api/plugin-proxy/", route.Path)
handlers := make([]macaron.Handler, 0)
if route.ReqSignedIn {
handlers = append(handlers, middleware.Auth(&middleware.AuthOptions{ReqSignedIn: true}))
}
if route.ReqGrafanaAdmin {
handlers = append(handlers, middleware.Auth(&middleware.AuthOptions{ReqSignedIn: true, ReqGrafanaAdmin: true}))
}
if route.ReqSignedIn && route.ReqRole != "" {
if route.ReqRole == m.ROLE_ADMIN {
handlers = append(handlers, middleware.RoleAuth(m.ROLE_ADMIN))
} else if route.ReqRole == m.ROLE_EDITOR {
handlers = append(handlers, middleware.RoleAuth(m.ROLE_EDITOR, m.ROLE_ADMIN))
}
}
handlers = append(handlers, ApiPlugin(route.Url))
r.Route(url, route.Method, handlers...)
log.Info("Plugin: Adding route %s", url)
}
}
}
func GraphiteProxy(c *middleware.Context) {
proxyPath := c.Params("*")
target, _ := url.Parse(setting.GraphiteUrl)
// check if this is a special raintank_db requests
if proxyPath == "metrics/find" {
query := c.Query("query")
if strings.HasPrefix(query, "raintank_db") {
response, err := executeRaintankDbQuery(query, c.OrgId)
if err != nil {
c.JsonApiErr(500, "Failed to execute raintank_db query", err)
return
}
c.JSON(200, response)
return
}
}
director := func(req *http.Request) {
req.URL.Scheme = target.Scheme
req.URL.Host = target.Host
req.Header.Add("X-Org-Id", strconv.FormatInt(c.OrgId, 10))
req.URL.Path = util.JoinUrlFragments(target.Path, proxyPath)
}
proxy := &httputil.ReverseProxy{Director: director}
proxy.ServeHTTP(c.RW(), c.Req.Request)
}
func NewApiPluginProxy(ctx *middleware.Context, proxyPath string, route *plugins.AppPluginRoute, appId string) *httputil.ReverseProxy {
targetUrl, _ := url.Parse(route.Url)
director := func(req *http.Request) {
req.URL.Scheme = targetUrl.Scheme
req.URL.Host = targetUrl.Host
req.Host = targetUrl.Host
req.URL.Path = util.JoinUrlFragments(targetUrl.Path, proxyPath)
// clear cookie headers
req.Header.Del("Cookie")
req.Header.Del("Set-Cookie")
//Create a HTTP header with the context in it.
ctxJson, err := json.Marshal(ctx.SignedInUser)
if err != nil {
ctx.JsonApiErr(500, "failed to marshal context to json.", err)
return
}
req.Header.Add("Grafana-Context", string(ctxJson))
// add custom headers defined in the plugin config.
for _, header := range route.Headers {
var contentBuf bytes.Buffer
t, err := template.New("content").Parse(header.Content)
if err != nil {
ctx.JsonApiErr(500, fmt.Sprintf("could not parse header content template for header %s.", header.Name), err)
return
}
//lookup appSettings
query := m.GetAppSettingByAppIdQuery{OrgId: ctx.OrgId, AppId: appId}
if err := bus.Dispatch(&query); err != nil {
ctx.JsonApiErr(500, "failed to get AppSettings.", err)
return
}
type templateData struct {
JsonData map[string]interface{}
SecureJsonData map[string]string
}
data := templateData{
JsonData: query.Result.JsonData,
SecureJsonData: query.Result.SecureJsonData.Decrypt(),
}
err = t.Execute(&contentBuf, data)
if err != nil {
ctx.JsonApiErr(500, fmt.Sprintf("failed to execute header content template for header %s.", header.Name), err)
return
}
log.Debug("Adding header to proxy request. %s: %s", header.Name, contentBuf.String())
req.Header.Add(header.Name, contentBuf.String())
}
}
return &httputil.ReverseProxy{Director: director}
}
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)
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))
}
dsAuth := req.Header.Get("X-DS-Authorization")
if len(dsAuth) > 0 {
req.Header.Del("X-DS-Authorization")
req.Header.Del("Authorization")
req.Header.Add("Authorization", dsAuth)
}
time.Sleep(time.Second * 5)
// clear cookie headers
req.Header.Del("Cookie")
req.Header.Del("Set-Cookie")
}
return &httputil.ReverseProxy{Director: director, FlushInterval: time.Millisecond * 200}
}
/**
* @function: func NewReverseProxy(ds *m.DataSource, proxyPath string) *httputil.ReverseProxy
* @description: This function initializes a reverse proxy.
* @related issues: OWL-028, OWL-017, OWL-002
* @param: *m.DataSource ds
* @param: string proxyPath
* @return: *httputil.ReverseProxy
* @author: Don Hsieh
* @since: 07/17/2015
* @last modified: 08/04/2015
* @called by: func ProxyDataSourceRequest(c *middleware.Context)
* in pkg/api/dataproxy.go
*/
func NewReverseProxy(ds *m.DataSource, proxyPath string) *httputil.ReverseProxy {
target, _ := url.Parse(ds.Url)
director := func(req *http.Request) {
req.URL.Scheme = target.Scheme
req.URL.Host = target.Host
req.Host = target.Host
reqQueryVals := req.URL.Query()
if ds.Type == m.DS_INFLUXDB_08 {
req.URL.Path = util.JoinUrlFragments(target.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(target.Path, proxyPath)
reqQueryVals.Add("db", ds.Database)
reqQueryVals.Add("u", ds.User)
reqQueryVals.Add("p", ds.Password)
req.URL.RawQuery = reqQueryVals.Encode()
} else if ds.Type == "openfalcon" {
// fmt.Printf("Welcome to %v!\n", ds.Type)
// fmt.Printf("NewReverseProxy req.URL = %v\n", req.URL)
reqQueryVals.Add("target", ds.Url)
req.URL.RawQuery = reqQueryVals.Encode()
ds.Url = "http://localhost"
var port = "4001"
ds.Url += ":" + port
// fmt.Printf("NewReverseProxy ds.Url = %v\n", ds.Url)
proxyPath = "/"
target, _ := url.Parse(ds.Url)
req.URL.Scheme = target.Scheme
req.URL.Host = target.Host
req.Host = target.Host
req.URL.Path = util.JoinUrlFragments(target.Path, proxyPath)
} else {
req.URL.Path = util.JoinUrlFragments(target.Path, proxyPath)
}
if ds.BasicAuth {
req.Header.Add("Authorization", util.GetBasicAuthHeader(ds.BasicAuthUser, ds.BasicAuthPassword))
}
}
return &httputil.ReverseProxy{Director: director}
}
func ReverseProxyGnetReq(proxyPath string) *httputil.ReverseProxy {
director := func(req *http.Request) {
req.URL.Scheme = "https"
req.URL.Host = "grafana.net"
req.Host = "grafana.net"
req.URL.Path = util.JoinUrlFragments("https://grafana.net/api", proxyPath)
// clear cookie headers
req.Header.Del("Cookie")
req.Header.Del("Set-Cookie")
}
return &httputil.ReverseProxy{Director: director}
}
func NewApiPluginProxy(ctx string, 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
req.URL.Path = util.JoinUrlFragments(targetUrl.Path, proxyPath)
// clear cookie headers
req.Header.Del("Cookie")
req.Header.Del("Set-Cookie")
req.Header.Add("Grafana-Context", ctx)
}
return &httputil.ReverseProxy{Director: director}
}
func ReverseProxyGnetReq(proxyPath string) *httputil.ReverseProxy {
url, _ := url.Parse(setting.GrafanaNetUrl)
director := func(req *http.Request) {
req.URL.Scheme = url.Scheme
req.URL.Host = url.Host
req.Host = url.Host
req.URL.Path = util.JoinUrlFragments(url.Path+"/api", proxyPath)
// clear cookie headers
req.Header.Del("Cookie")
req.Header.Del("Set-Cookie")
}
return &httputil.ReverseProxy{Director: director}
}
func NewApiPluginProxy(ctx *middleware.Context, proxyPath string, route *plugins.AppPluginRoute, appId string) *httputil.ReverseProxy {
targetUrl, _ := url.Parse(route.Url)
director := func(req *http.Request) {
req.URL.Scheme = targetUrl.Scheme
req.URL.Host = targetUrl.Host
req.Host = targetUrl.Host
req.URL.Path = util.JoinUrlFragments(targetUrl.Path, proxyPath)
// clear cookie headers
req.Header.Del("Cookie")
req.Header.Del("Set-Cookie")
//Create a HTTP header with the context in it.
ctxJson, err := json.Marshal(ctx.SignedInUser)
if err != nil {
ctx.JsonApiErr(500, "failed to marshal context to json.", err)
return
}
req.Header.Add("X-Grafana-Context", string(ctxJson))
if len(route.Headers) > 0 {
headers, err := getHeaders(route, ctx.OrgId, appId)
if err != nil {
ctx.JsonApiErr(500, "Could not generate plugin route header", err)
return
}
for key, value := range headers {
log.Info("setting key %v value %v", key, value[0])
req.Header.Set(key, value[0])
}
}
}
return &httputil.ReverseProxy{Director: director}
}