support passing api token in Basic auth password (#12416)

docs/sources/http_api/auth.md

@@ -44,6 +44,14 @@ Authorization: Bearer eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk
 
 The `Authorization` header value should be `Bearer <your api key>`.
 
+The API Token can also be passed as a Basic authorization password with the special username `api_key`:
+
+curl example:
+```bash
+?curl http://api_key:eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk@localhost:3000/api/org
+{"id":1,"name":"Main Org."}
+```
+
 # Auth HTTP resources / actions
 
 ## Api Keys

pkg/middleware/auth.go

@@ -9,6 +9,7 @@ import (
 	m "github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/services/session"
 	"github.com/grafana/grafana/pkg/setting"
+	"github.com/grafana/grafana/pkg/util"
 )
 
 type AuthOptions struct {
@@ -34,6 +35,11 @@ func getApiKey(c *m.ReqContext) string {
 		return key
 	}
 
+	username, password, err := util.DecodeBasicAuthHeader(header)
+	if err == nil && username == "api_key" {
+		return password
+	}
+
 	return ""
 }
 

pkg/middleware/middleware_test.go

@@ -82,7 +82,7 @@ func TestMiddlewareContext(t *testing.T) {
 
 			setting.BasicAuthEnabled = true
 			authHeader := util.GetBasicAuthHeader("myUser", "myPass")
-			sc.fakeReq("GET", "/").withAuthoriziationHeader(authHeader).exec()
+			sc.fakeReq("GET", "/").withAuthorizationHeader(authHeader).exec()
 
 			Convey("Should init middleware context with user", func() {
 				So(sc.context.IsSignedIn, ShouldEqual, true)
@@ -128,6 +128,28 @@ func TestMiddlewareContext(t *testing.T) {
 			})
 		})
 
+		middlewareScenario("Valid api key via Basic auth", func(sc *scenarioContext) {
+			keyhash := util.EncodePassword("v5nAwpMafFP6znaS4urhdWDLS5511M42", "asd")
+
+			bus.AddHandler("test", func(query *m.GetApiKeyByNameQuery) error {
+				query.Result = &m.ApiKey{OrgId: 12, Role: m.ROLE_EDITOR, Key: keyhash}
+				return nil
+			})
+
+			authHeader := util.GetBasicAuthHeader("api_key", "eyJrIjoidjVuQXdwTWFmRlA2em5hUzR1cmhkV0RMUzU1MTFNNDIiLCJuIjoiYXNkIiwiaWQiOjF9")
+			sc.fakeReq("GET", "/").withAuthorizationHeader(authHeader).exec()
+
+			Convey("Should return 200", func() {
+				So(sc.resp.Code, ShouldEqual, 200)
+			})
+
+			Convey("Should init middleware context", func() {
+				So(sc.context.IsSignedIn, ShouldEqual, true)
+				So(sc.context.OrgId, ShouldEqual, 12)
+				So(sc.context.OrgRole, ShouldEqual, m.ROLE_EDITOR)
+			})
+		})
+
 		middlewareScenario("UserId in session", func(sc *scenarioContext) {
 
 			sc.fakeReq("GET", "/").handler(func(c *m.ReqContext) {
@@ -473,7 +495,7 @@ func (sc *scenarioContext) withInvalidApiKey() *scenarioContext {
 	return sc
 }
 
-func (sc *scenarioContext) withAuthoriziationHeader(authHeader string) *scenarioContext {
+func (sc *scenarioContext) withAuthorizationHeader(authHeader string) *scenarioContext {
 	sc.authHeader = authHeader
 	return sc
 }