use go module for dependencies (#594)

federationapi/routing/profile.go

@@ -0,0 +1,89 @@
+// Copyright 2017 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package routing
+
+import (
+	"net/http"
+
+	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
+	"github.com/matrix-org/dendrite/clientapi/httputil"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
+	"github.com/matrix-org/dendrite/common"
+	"github.com/matrix-org/dendrite/common/config"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+)
+
+// GetProfile implements GET /_matrix/federation/v1/query/profile
+func GetProfile(
+	httpReq *http.Request,
+	accountDB *accounts.Database,
+	cfg config.Dendrite,
+	asAPI appserviceAPI.AppServiceQueryAPI,
+) util.JSONResponse {
+	userID, field := httpReq.FormValue("user_id"), httpReq.FormValue("field")
+
+	// httpReq.FormValue will return an empty string if value is not found
+	if userID == "" {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.MissingArgument("The request body did not contain required argument 'user_id'."),
+		}
+	}
+
+	_, domain, err := gomatrixserverlib.SplitID('@', userID)
+	if err != nil {
+		return httputil.LogThenError(httpReq, err)
+	}
+
+	if domain != cfg.Matrix.ServerName {
+		return httputil.LogThenError(httpReq, err)
+	}
+
+	profile, err := appserviceAPI.RetreiveUserProfile(httpReq.Context(), userID, asAPI, accountDB)
+	if err != nil {
+		return httputil.LogThenError(httpReq, err)
+	}
+
+	var res interface{}
+	code := http.StatusOK
+
+	if field != "" {
+		switch field {
+		case "displayname":
+			res = common.DisplayName{
+				DisplayName: profile.DisplayName,
+			}
+		case "avatar_url":
+			res = common.AvatarURL{
+				AvatarURL: profile.AvatarURL,
+			}
+		default:
+			code = http.StatusBadRequest
+			res = jsonerror.InvalidArgumentValue("The request body did not contain an allowed value of argument 'field'. Allowed values are either: 'avatar_url', 'displayname'.")
+		}
+	} else {
+		res = common.ProfileResponse{
+			AvatarURL:   profile.AvatarURL,
+			DisplayName: profile.DisplayName,
+		}
+	}
+
+	return util.JSONResponse{
+		Code: code,
+		JSON: res,
+	}
+}