Add bare bones user API (#1127)

* Add bare bones user API

with tests!

* linting
main
Kegsay 2020-06-15 09:54:11 +01:00 committed by GitHub
parent 0dc4ceaa2d
commit 6b5996db17
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6 changed files with 373 additions and 0 deletions

38
userapi/api/api.go Normal file
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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 api
import "context"
// UserInternalAPI is the internal API for information about users and devices.
type UserInternalAPI interface {
QueryProfile(ctx context.Context, req *QueryProfileRequest, res *QueryProfileResponse) error
}
// QueryProfileRequest is the request for QueryProfile
type QueryProfileRequest struct {
// The user ID to query
UserID string
}
// QueryProfileResponse is the response for QueryProfile
type QueryProfileResponse struct {
// True if the user has been created. Querying for a profile does not create them.
UserExists bool
// The current display name if set.
DisplayName string
// The current avatar URL if set.
AvatarURL string
}

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userapi/internal/api.go Normal file
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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 internal
import (
"context"
"database/sql"
"fmt"
"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
)
type UserInternalAPI struct {
AccountDB accounts.Database
DeviceDB devices.Database
ServerName gomatrixserverlib.ServerName
}
func (a *UserInternalAPI) QueryProfile(ctx context.Context, req *api.QueryProfileRequest, res *api.QueryProfileResponse) error {
local, domain, err := gomatrixserverlib.SplitID('@', req.UserID)
if err != nil {
return err
}
if domain != a.ServerName {
return fmt.Errorf("cannot query profile of remote users: got %s want %s", domain, a.ServerName)
}
prof, err := a.AccountDB.GetProfileByLocalpart(ctx, local)
if err != nil {
if err == sql.ErrNoRows {
return nil
}
return err
}
res.UserExists = true
res.AvatarURL = prof.AvatarURL
res.DisplayName = prof.DisplayName
return nil
}

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userapi/inthttp/client.go Normal file
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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 inthttp
import (
"context"
"errors"
"net/http"
"github.com/matrix-org/dendrite/internal/httputil"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/opentracing/opentracing-go"
)
// HTTP paths for the internal HTTP APIs
const (
QueryProfilePath = "/userapi/queryProfile"
)
// NewUserAPIClient creates a UserInternalAPI implemented by talking to a HTTP POST API.
// If httpClient is nil an error is returned
func NewUserAPIClient(
apiURL string,
httpClient *http.Client,
) (api.UserInternalAPI, error) {
if httpClient == nil {
return nil, errors.New("NewUserAPIClient: httpClient is <nil>")
}
return &httpUserInternalAPI{
apiURL: apiURL,
httpClient: httpClient,
}, nil
}
type httpUserInternalAPI struct {
apiURL string
httpClient *http.Client
}
func (h *httpUserInternalAPI) QueryProfile(
ctx context.Context,
request *api.QueryProfileRequest,
response *api.QueryProfileResponse,
) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "QueryProfile")
defer span.Finish()
apiURL := h.apiURL + QueryProfilePath
return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
}

41
userapi/inthttp/server.go Normal file
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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 inthttp
import (
"encoding/json"
"net/http"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/internal/httputil"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/util"
)
func AddRoutes(internalAPIMux *mux.Router, s api.UserInternalAPI) {
internalAPIMux.Handle(QueryProfilePath,
httputil.MakeInternalAPI("queryProfile", func(req *http.Request) util.JSONResponse {
request := api.QueryProfileRequest{}
response := api.QueryProfileResponse{}
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.MessageResponse(http.StatusBadRequest, err.Error())
}
if err := s.QueryProfile(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
}

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userapi/userapi.go Normal file
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// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// 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 userapi
import (
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/dendrite/userapi/internal"
"github.com/matrix-org/dendrite/userapi/inthttp"
"github.com/matrix-org/gomatrixserverlib"
)
// AddInternalRoutes registers HTTP handlers for the internal API. Invokes functions
// on the given input API.
func AddInternalRoutes(router *mux.Router, intAPI api.UserInternalAPI) {
inthttp.AddRoutes(router, intAPI)
}
// NewInternalAPI returns a concerete implementation of the internal API. Callers
// can call functions directly on the returned API or via an HTTP interface using AddInternalRoutes.
func NewInternalAPI(accountDB accounts.Database, deviceDB devices.Database, serverName gomatrixserverlib.ServerName) api.UserInternalAPI {
return &internal.UserInternalAPI{
AccountDB: accountDB,
DeviceDB: deviceDB,
ServerName: serverName,
}
}

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userapi/userapi_test.go Normal file
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package userapi_test
import (
"context"
"fmt"
"net"
"net/http"
"reflect"
"sync"
"testing"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
"github.com/matrix-org/dendrite/internal/httputil"
"github.com/matrix-org/dendrite/userapi"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/dendrite/userapi/inthttp"
"github.com/matrix-org/gomatrixserverlib"
)
const (
serverName = gomatrixserverlib.ServerName("example.com")
)
func MustMakeInternalAPI(t *testing.T) (api.UserInternalAPI, accounts.Database, devices.Database) {
accountDB, err := accounts.NewDatabase("file::memory:", nil, serverName)
if err != nil {
t.Fatalf("failed to create account DB: %s", err)
}
deviceDB, err := devices.NewDatabase("file::memory:", nil, serverName)
if err != nil {
t.Fatalf("failed to create device DB: %s", err)
}
return userapi.NewInternalAPI(accountDB, deviceDB, serverName), accountDB, deviceDB
}
func TestQueryProfile(t *testing.T) {
aliceAvatarURL := "mxc://example.com/alice"
aliceDisplayName := "Alice"
userAPI, accountDB, _ := MustMakeInternalAPI(t)
_, err := accountDB.CreateAccount(context.TODO(), "alice", "foobar", "")
if err != nil {
t.Fatalf("failed to make account: %s", err)
}
if err := accountDB.SetAvatarURL(context.TODO(), "alice", aliceAvatarURL); err != nil {
t.Fatalf("failed to set avatar url: %s", err)
}
if err := accountDB.SetDisplayName(context.TODO(), "alice", aliceDisplayName); err != nil {
t.Fatalf("failed to set display name: %s", err)
}
testCases := []struct {
req api.QueryProfileRequest
wantRes api.QueryProfileResponse
wantErr error
}{
{
req: api.QueryProfileRequest{
UserID: fmt.Sprintf("@alice:%s", serverName),
},
wantRes: api.QueryProfileResponse{
UserExists: true,
AvatarURL: aliceAvatarURL,
DisplayName: aliceDisplayName,
},
},
{
req: api.QueryProfileRequest{
UserID: fmt.Sprintf("@bob:%s", serverName),
},
wantRes: api.QueryProfileResponse{
UserExists: false,
},
},
{
req: api.QueryProfileRequest{
UserID: "@alice:wrongdomain.com",
},
wantErr: fmt.Errorf("wrong domain"),
},
}
runCases := func(testAPI api.UserInternalAPI) {
for _, tc := range testCases {
var gotRes api.QueryProfileResponse
gotErr := testAPI.QueryProfile(context.TODO(), &tc.req, &gotRes)
if tc.wantErr == nil && gotErr != nil || tc.wantErr != nil && gotErr == nil {
t.Errorf("QueryProfile error, got %s want %s", gotErr, tc.wantErr)
continue
}
if !reflect.DeepEqual(tc.wantRes, gotRes) {
t.Errorf("QueryProfile response got %+v want %+v", gotRes, tc.wantRes)
}
}
}
t.Run("HTTP API", func(t *testing.T) {
router := mux.NewRouter().PathPrefix(httputil.InternalPathPrefix).Subrouter()
userapi.AddInternalRoutes(router, userAPI)
apiURL, cancel := listenAndServe(t, router)
defer cancel()
httpAPI, err := inthttp.NewUserAPIClient(apiURL, &http.Client{})
if err != nil {
t.Fatalf("failed to create HTTP client")
}
runCases(httpAPI)
})
t.Run("Monolith", func(t *testing.T) {
runCases(userAPI)
})
}
func listenAndServe(t *testing.T, router *mux.Router) (apiURL string, cancel func()) {
listener, err := net.Listen("tcp", ":0")
if err != nil {
t.Fatalf("failed to listen: %s", err)
}
port := listener.Addr().(*net.TCPAddr).Port
srv := http.Server{}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
srv.Handler = router
err := srv.Serve(listener)
if err != nil && err != http.ErrServerClosed {
t.Logf("Listen failed: %s", err)
}
}()
return fmt.Sprintf("http://localhost:%d", port), func() {
srv.Shutdown(context.Background())
wg.Wait()
}
}