diff --git a/pkg/api/app_routes.go b/pkg/api/app_routes.go index 8992f8f66d6..2baa9ddd75a 100644 --- a/pkg/api/app_routes.go +++ b/pkg/api/app_routes.go @@ -6,14 +6,13 @@ import ( "net/http" "time" - "gopkg.in/macaron.v1" - "github.com/grafana/grafana/pkg/api/pluginproxy" "github.com/grafana/grafana/pkg/log" "github.com/grafana/grafana/pkg/middleware" m "github.com/grafana/grafana/pkg/models" "github.com/grafana/grafana/pkg/plugins" "github.com/grafana/grafana/pkg/util" + macaron "gopkg.in/macaron.v1" ) var pluginProxyTransport = &http.Transport{ diff --git a/pkg/models/datasource_cache.go b/pkg/models/datasource_cache.go index 158018b0f0a..b4a4e7f8a4d 100644 --- a/pkg/models/datasource_cache.go +++ b/pkg/models/datasource_cache.go @@ -3,6 +3,7 @@ package models import ( "crypto/tls" "crypto/x509" + "errors" "net" "net/http" "sync" @@ -45,9 +46,16 @@ func (ds *DataSource) GetHttpTransport() (*http.Transport, error) { return t.Transport, nil } + var tlsSkipVerify, tlsClientAuth, tlsAuthWithCACert bool + if ds.JsonData != nil { + tlsClientAuth = ds.JsonData.Get("tlsAuth").MustBool(false) + tlsAuthWithCACert = ds.JsonData.Get("tlsAuthWithCACert").MustBool(false) + tlsSkipVerify = ds.JsonData.Get("tlsSkipVerify").MustBool(false) + } + transport := &http.Transport{ TLSClientConfig: &tls.Config{ - InsecureSkipVerify: true, + InsecureSkipVerify: tlsSkipVerify, Renegotiation: tls.RenegotiateFreelyAsClient, }, Proxy: http.ProxyFromEnvironment, @@ -62,30 +70,24 @@ func (ds *DataSource) GetHttpTransport() (*http.Transport, error) { IdleConnTimeout: 90 * time.Second, } - var tlsAuth, tlsAuthWithCACert bool - if ds.JsonData != nil { - tlsAuth = ds.JsonData.Get("tlsAuth").MustBool(false) - tlsAuthWithCACert = ds.JsonData.Get("tlsAuthWithCACert").MustBool(false) - } - - if tlsAuth { - transport.TLSClientConfig.InsecureSkipVerify = false - + if tlsClientAuth || tlsAuthWithCACert { decrypted := ds.SecureJsonData.Decrypt() - if tlsAuthWithCACert && len(decrypted["tlsCACert"]) > 0 { caPool := x509.NewCertPool() ok := caPool.AppendCertsFromPEM([]byte(decrypted["tlsCACert"])) - if ok { - transport.TLSClientConfig.RootCAs = caPool + if !ok { + return nil, errors.New("Failed to parse TLS CA PEM certificate") } + transport.TLSClientConfig.RootCAs = caPool } - cert, err := tls.X509KeyPair([]byte(decrypted["tlsClientCert"]), []byte(decrypted["tlsClientKey"])) - if err != nil { - return nil, err + if tlsClientAuth { + cert, err := tls.X509KeyPair([]byte(decrypted["tlsClientCert"]), []byte(decrypted["tlsClientKey"])) + if err != nil { + return nil, err + } + transport.TLSClientConfig.Certificates = []tls.Certificate{cert} } - transport.TLSClientConfig.Certificates = []tls.Certificate{cert} } ptc.cache[ds.Id] = cachedTransport{ diff --git a/pkg/models/datasource_cache_test.go b/pkg/models/datasource_cache_test.go index 5e821ea28c4..85ece0bbdcc 100644 --- a/pkg/models/datasource_cache_test.go +++ b/pkg/models/datasource_cache_test.go @@ -29,61 +29,140 @@ func TestDataSourceCache(t *testing.T) { Convey("Should be using the cached proxy", func() { So(t2, ShouldEqual, t1) }) + Convey("Should verify TLS by default", func() { + So(t1.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false) + }) + Convey("Should have no TLS client certificate configured", func() { + So(len(t1.TLSClientConfig.Certificates), ShouldEqual, 0) + }) + Convey("Should have no user-supplied TLS CA onfigured", func() { + So(t1.TLSClientConfig.RootCAs, ShouldBeNil) + }) }) - Convey("When getting kubernetes datasource proxy", t, func() { + Convey("When caching a datasource proxy then updating it", t, func() { + clearCache() + setting.SecretKey = "password" + + json := simplejson.New() + json.Set("tlsAuthWithCACert", true) + + tlsCaCert, err := util.Encrypt([]byte(caCert), "password") + So(err, ShouldBeNil) + ds := DataSource{ + Id: 1, + Url: "http://k8s:8001", + Type: "Kubernetes", + SecureJsonData: map[string][]byte{"tlsCACert": tlsCaCert}, + Updated: time.Now().Add(-2 * time.Minute), + } + + t1, err := ds.GetHttpTransport() + So(err, ShouldBeNil) + + Convey("Should verify TLS by default", func() { + So(t1.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false) + }) + Convey("Should have no TLS client certificate configured", func() { + So(len(t1.TLSClientConfig.Certificates), ShouldEqual, 0) + }) + Convey("Should have no user-supplied TLS CA configured", func() { + So(t1.TLSClientConfig.RootCAs, ShouldBeNil) + }) + + ds.JsonData = nil + ds.SecureJsonData = map[string][]byte{} + ds.Updated = time.Now() + + t2, err := ds.GetHttpTransport() + So(err, ShouldBeNil) + + Convey("Should have no user-supplied TLS CA configured after the update", func() { + So(t2.TLSClientConfig.RootCAs, ShouldBeNil) + }) + }) + + Convey("When caching a datasource proxy with TLS client authentication enabled", t, func() { clearCache() setting.SecretKey = "password" json := simplejson.New() json.Set("tlsAuth", true) + + tlsClientCert, err := util.Encrypt([]byte(clientCert), "password") + So(err, ShouldBeNil) + tlsClientKey, err := util.Encrypt([]byte(clientKey), "password") + So(err, ShouldBeNil) + + ds := DataSource{ + Id: 1, + Url: "http://k8s:8001", + Type: "Kubernetes", + JsonData: json, + SecureJsonData: map[string][]byte{ + "tlsClientCert": tlsClientCert, + "tlsClientKey": tlsClientKey, + }, + } + + tr, err := ds.GetHttpTransport() + So(err, ShouldBeNil) + + Convey("Should verify TLS by default", func() { + So(tr.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false) + }) + Convey("Should have a TLS client certificate configured", func() { + So(len(tr.TLSClientConfig.Certificates), ShouldEqual, 1) + }) + }) + + Convey("When caching a datasource proxy with a user-supplied TLS CA", t, func() { + clearCache() + setting.SecretKey = "password" + + json := simplejson.New() json.Set("tlsAuthWithCACert", true) - t := time.Now() + tlsCaCert, err := util.Encrypt([]byte(caCert), "password") + So(err, ShouldBeNil) + ds := DataSource{ - Url: "http://k8s:8001", - Type: "Kubernetes", - Updated: t.Add(-2 * time.Minute), + Id: 1, + Url: "http://k8s:8001", + Type: "Kubernetes", + JsonData: json, + SecureJsonData: map[string][]byte{"tlsCACert": tlsCaCert}, } - transport, err := ds.GetHttpTransport() + tr, err := ds.GetHttpTransport() So(err, ShouldBeNil) - Convey("Should have no cert", func() { - So(transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, true) + Convey("Should verify TLS by default", func() { + So(tr.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false) }) + Convey("Should have a TLS CA configured", func() { + So(len(tr.TLSClientConfig.RootCAs.Subjects()), ShouldEqual, 1) + }) + }) - ds.JsonData = json + Convey("When caching a datasource proxy when user skips TLS verification", t, func() { + clearCache() - tlsCaCert, _ := util.Encrypt([]byte(caCert), "password") - tlsClientCert, _ := util.Encrypt([]byte(clientCert), "password") - tlsClientKey, _ := util.Encrypt([]byte(clientKey), "password") + json := simplejson.New() + json.Set("tlsSkipVerify", true) - ds.SecureJsonData = map[string][]byte{ - "tlsCACert": tlsCaCert, - "tlsClientCert": tlsClientCert, - "tlsClientKey": tlsClientKey, + ds := DataSource{ + Id: 1, + Url: "http://k8s:8001", + Type: "Kubernetes", + JsonData: json, } - ds.Updated = t.Add(-1 * time.Minute) - transport, err = ds.GetHttpTransport() + tr, err := ds.GetHttpTransport() So(err, ShouldBeNil) - Convey("Should add cert", func() { - So(transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false) - So(len(transport.TLSClientConfig.Certificates), ShouldEqual, 1) - }) - - ds.JsonData = nil - ds.SecureJsonData = map[string][]byte{} - ds.Updated = t - - transport, err = ds.GetHttpTransport() - So(err, ShouldBeNil) - - Convey("Should remove cert", func() { - So(transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, true) - So(len(transport.TLSClientConfig.Certificates), ShouldEqual, 0) + Convey("Should skip TLS verification", func() { + So(tr.TLSClientConfig.InsecureSkipVerify, ShouldEqual, true) }) }) } @@ -115,7 +194,8 @@ FHoXIyGOdq1chmRVocdGBCF8fUoGIbuF14r53rpvcbEKtKnnP8+96luKAZLq0a4n 3lb92xM= -----END CERTIFICATE-----` -const clientCert string = `-----BEGIN CERTIFICATE----- +const clientCert string = ` +-----BEGIN CERTIFICATE----- MIICsjCCAZoCCQCcd8sOfstQLzANBgkqhkiG9w0BAQsFADAXMRUwEwYDVQQDDAxj YS1rOHMtc3RobG0wHhcNMTYxMTAyMDkyNTE1WhcNMTcxMTAyMDkyNTE1WjAfMR0w GwYDVQQDDBRhZG0tZGFuaWVsLWs4cy1zdGhsbTCCASIwDQYJKoZIhvcNAQEBBQAD diff --git a/public/app/features/plugins/partials/ds_http_settings.html b/public/app/features/plugins/partials/ds_http_settings.html index 62c3e477446..ac21c6f9ed8 100644 --- a/public/app/features/plugins/partials/ds_http_settings.html +++ b/public/app/features/plugins/partials/ds_http_settings.html @@ -1,23 +1,23 @@
Specify a complete HTTP url (for example http://your_server:8080)
+Specify a complete HTTP URL (for example http://your_server:8080)
- Your access method is Direct, this means the url + Your access method is Direct, this means the URL needs to be accessible from the browser. - Your access method is currently Proxy, this means the url + Your access method is currently Proxy, this means the URL needs to be accessible from the grafana backend.