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Fix reset password endpoint (#2921)

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Fixes the admin password reset endpoint.
It was using a wrong variable, so could not detect the user.
Adds some more checks to validate we can actually change the password.
This commit is contained in:
Till 2022-12-22 11:54:03 +01:00 committed by GitHub
parent beea2432e6
commit d1d2d16738
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 237 additions and 42 deletions
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134
clientapi/admin_test.go Normal file
View File

@ -0,0 +1,134 @@
package clientapi
import (
"context"
"net/http"
"net/http/httptest"
"testing"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/matrix-org/dendrite/keyserver"
"github.com/matrix-org/dendrite/roomserver"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/tidwall/gjson"
"github.com/matrix-org/dendrite/test"
"github.com/matrix-org/dendrite/test/testrig"
"github.com/matrix-org/dendrite/userapi"
uapi "github.com/matrix-org/dendrite/userapi/api"
)
func TestAdminResetPassword(t *testing.T) {
aliceAdmin := test.NewUser(t, test.WithAccountType(uapi.AccountTypeAdmin))
bob := test.NewUser(t, test.WithAccountType(uapi.AccountTypeUser))
vhUser := &test.User{ID: "@vhuser:vh1"}
ctx := context.Background()
test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
base, baseClose := testrig.CreateBaseDendrite(t, dbType)
defer baseClose()
// add a vhost
base.Cfg.Global.VirtualHosts = append(base.Cfg.Global.VirtualHosts, &config.VirtualHost{
SigningIdentity: gomatrixserverlib.SigningIdentity{ServerName: "vh1"},
})
rsAPI := roomserver.NewInternalAPI(base)
// Needed for changing the password/login
keyAPI := keyserver.NewInternalAPI(base, &base.Cfg.KeyServer, nil, rsAPI)
userAPI := userapi.NewInternalAPI(base, &base.Cfg.UserAPI, nil, keyAPI, rsAPI, nil)
keyAPI.SetUserAPI(userAPI)
// We mostly need the userAPI for this test, so nil for other APIs/caches etc.
AddPublicRoutes(base, nil, nil, nil, nil, nil, userAPI, nil, nil, nil)
// Create the users in the userapi and login
accessTokens := map[*test.User]string{
aliceAdmin: "",
bob: "",
vhUser: "",
}
for u := range accessTokens {
localpart, serverName, _ := gomatrixserverlib.SplitID('@', u.ID)
userRes := &uapi.PerformAccountCreationResponse{}
password := util.RandomString(8)
if err := userAPI.PerformAccountCreation(ctx, &uapi.PerformAccountCreationRequest{
AccountType: u.AccountType,
Localpart: localpart,
ServerName: serverName,
Password: password,
}, userRes); err != nil {
t.Errorf("failed to create account: %s", err)
}
req := test.NewRequest(t, http.MethodPost, "/_matrix/client/v3/login", test.WithJSONBody(t, map[string]interface{}{
"type": authtypes.LoginTypePassword,
"identifier": map[string]interface{}{
"type": "m.id.user",
"user": u.ID,
},
"password": password,
}))
rec := httptest.NewRecorder()
base.PublicClientAPIMux.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("failed to login: %s", rec.Body.String())
}
accessTokens[u] = gjson.GetBytes(rec.Body.Bytes(), "access_token").String()
}
testCases := []struct {
name string
requestingUser *test.User
userID string
requestOpt test.HTTPRequestOpt
wantOK bool
withHeader bool
}{
{name: "Missing auth", requestingUser: bob, wantOK: false, userID: bob.ID},
{name: "Bob is denied access", requestingUser: bob, wantOK: false, withHeader: true, userID: bob.ID},
{name: "Alice is allowed access", requestingUser: aliceAdmin, wantOK: true, withHeader: true, userID: bob.ID, requestOpt: test.WithJSONBody(t, map[string]interface{}{
"password": util.RandomString(8),
})},
{name: "missing userID does not call function", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: ""}, // this 404s
{name: "rejects empty password", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: bob.ID, requestOpt: test.WithJSONBody(t, map[string]interface{}{
"password": "",
})},
{name: "rejects unknown server name", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: "@doesnotexist:localhost", requestOpt: test.WithJSONBody(t, map[string]interface{}{})},
{name: "rejects unknown user", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: "@doesnotexist:test", requestOpt: test.WithJSONBody(t, map[string]interface{}{})},
{name: "allows changing password for different vhost", requestingUser: aliceAdmin, wantOK: true, withHeader: true, userID: vhUser.ID, requestOpt: test.WithJSONBody(t, map[string]interface{}{
"password": util.RandomString(8),
})},
{name: "rejects existing user, missing body", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: bob.ID},
{name: "rejects invalid userID", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: "!notauserid:test", requestOpt: test.WithJSONBody(t, map[string]interface{}{})},
{name: "rejects invalid json", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: bob.ID, requestOpt: test.WithJSONBody(t, `{invalidJSON}`)},
{name: "rejects too weak password", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: bob.ID, requestOpt: test.WithJSONBody(t, map[string]interface{}{
"password": util.RandomString(6),
})},
{name: "rejects too long password", requestingUser: aliceAdmin, wantOK: false, withHeader: true, userID: bob.ID, requestOpt: test.WithJSONBody(t, map[string]interface{}{
"password": util.RandomString(513),
})},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
req := test.NewRequest(t, http.MethodPost, "/_dendrite/admin/resetPassword/"+tc.userID)
if tc.requestOpt != nil {
req = test.NewRequest(t, http.MethodPost, "/_dendrite/admin/resetPassword/"+tc.userID, tc.requestOpt)
}
if tc.withHeader {
req.Header.Set("Authorization", "Bearer "+accessTokens[tc.requestingUser])
}
rec := httptest.NewRecorder()
base.DendriteAdminMux.ServeHTTP(rec, req)
t.Logf("%s", rec.Body.String())
if tc.wantOK && rec.Code != http.StatusOK {
t.Fatalf("expected http status %d, got %d: %s", http.StatusOK, rec.Code, rec.Body.String())
}
})
}
})
}

5
clientapi/clientapi.go
View File

@ -57,10 +57,7 @@ func AddPublicRoutes(
}
routing.Setup(
base.PublicClientAPIMux,
base.PublicWellKnownAPIMux,
base.SynapseAdminMux,
base.DendriteAdminMux,
base,
cfg, rsAPI, asAPI,
userAPI, userDirectoryProvider, federation,
syncProducer, transactionsCache, fsAPI, keyAPI,

38
clientapi/routing/admin.go
View File

@ -7,6 +7,7 @@ import (
"time"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/nats-io/nats.go"
@ -98,20 +99,40 @@ func AdminEvacuateUser(req *http.Request, cfg *config.ClientAPI, device *userapi
}
func AdminResetPassword(req *http.Request, cfg *config.ClientAPI, device *userapi.Device, userAPI userapi.ClientUserAPI) util.JSONResponse {
if req.Body == nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.Unknown("Missing request body"),
}
}
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
serverName := cfg.Matrix.ServerName
localpart, ok := vars["localpart"]
if !ok {
var localpart string
userID := vars["userID"]
localpart, serverName, err := cfg.Matrix.SplitLocalID('@', userID)
if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.MissingArgument("Expecting user localpart."),
JSON: jsonerror.InvalidArgumentValue(err.Error()),
}
}
if l, s, err := cfg.Matrix.SplitLocalID('@', localpart); err == nil {
localpart, serverName = l, s
accAvailableResp := &userapi.QueryAccountAvailabilityResponse{}
if err = userAPI.QueryAccountAvailability(req.Context(), &userapi.QueryAccountAvailabilityRequest{
Localpart: localpart,
ServerName: serverName,
}, accAvailableResp); err != nil {
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.InternalAPIError(req.Context(), err),
}
}
if accAvailableResp.Available {
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.Unknown("User does not exist"),
}
}
request := struct {
Password string `json:"password"`
@ -128,6 +149,11 @@ func AdminResetPassword(req *http.Request, cfg *config.ClientAPI, device *userap
JSON: jsonerror.MissingArgument("Expecting non-empty password."),
}
}
if resErr := internal.ValidatePassword(request.Password); resErr != nil {
return *resErr
}
updateReq := &userapi.PerformPasswordUpdateRequest{
Localpart: localpart,
ServerName: serverName,

3
clientapi/routing/password.go
View File

@ -7,6 +7,7 @@ import (
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
@ -81,7 +82,7 @@ func Password(
sessions.addCompletedSessionStage(sessionID, authtypes.LoginTypePassword)
// Check the new password strength.
if resErr = validatePassword(r.NewPassword); resErr != nil {
if resErr = internal.ValidatePassword(r.NewPassword); resErr != nil {
return *resErr
}

24
clientapi/routing/register.go
View File

@ -30,6 +30,7 @@ import (
"sync"
"time"
"github.com/matrix-org/dendrite/internal"
"github.com/tidwall/gjson"
"github.com/matrix-org/dendrite/internal/eventutil"
@ -60,8 +61,6 @@ var (
)
const (
minPasswordLength = 8 // http://matrix.org/docs/spec/client_server/r0.2.0.html#password-based
maxPasswordLength = 512 // https://github.com/matrix-org/synapse/blob/v0.20.0/synapse/rest/client/v2_alpha/register.py#L161
maxUsernameLength = 254 // http://matrix.org/speculator/spec/HEAD/intro.html#user-identifiers TODO account for domain
sessionIDLength = 24
)
@ -315,23 +314,6 @@ func validateApplicationServiceUsername(localpart string, domain gomatrixserverl
return nil
}
// validatePassword returns an error response if the password is invalid
func validatePassword(password string) *util.JSONResponse {
// https://github.com/matrix-org/synapse/blob/v0.20.0/synapse/rest/client/v2_alpha/register.py#L161
if len(password) > maxPasswordLength {
return &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON(fmt.Sprintf("'password' >%d characters", maxPasswordLength)),
}
} else if len(password) > 0 && len(password) < minPasswordLength {
return &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.WeakPassword(fmt.Sprintf("password too weak: min %d chars", minPasswordLength)),
}
}
return nil
}
// validateRecaptcha returns an error response if the captcha response is invalid
func validateRecaptcha(
cfg *config.ClientAPI,
@ -636,7 +618,7 @@ func Register(
return *resErr
}
}
if resErr := validatePassword(r.Password); resErr != nil {
if resErr := internal.ValidatePassword(r.Password); resErr != nil {
return *resErr
}
@ -1138,7 +1120,7 @@ func handleSharedSecretRegistration(cfg *config.ClientAPI, userAPI userapi.Clien
if resErr := validateUsername(ssrr.User, cfg.Matrix.ServerName); resErr != nil {
return *resErr
}
if resErr := validatePassword(ssrr.Password); resErr != nil {
if resErr := internal.ValidatePassword(ssrr.Password); resErr != nil {
return *resErr
}
deviceID := "shared_secret_registration"

14
clientapi/routing/routing.go
View File

@ -20,6 +20,7 @@ import (
"strings"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/setup/base"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/nats-io/nats.go"
@ -49,7 +50,7 @@ import (
// applied:
// nolint: gocyclo
func Setup(
publicAPIMux, wkMux, synapseAdminRouter, dendriteAdminRouter *mux.Router,
base *base.BaseDendrite,
cfg *config.ClientAPI,
rsAPI roomserverAPI.ClientRoomserverAPI,
asAPI appserviceAPI.AppServiceInternalAPI,
@ -63,7 +64,14 @@ func Setup(
extRoomsProvider api.ExtraPublicRoomsProvider,
mscCfg *config.MSCs, natsClient *nats.Conn,
) {
prometheus.MustRegister(amtRegUsers, sendEventDuration)
publicAPIMux := base.PublicClientAPIMux
wkMux := base.PublicWellKnownAPIMux
synapseAdminRouter := base.SynapseAdminMux
dendriteAdminRouter := base.DendriteAdminMux
if base.EnableMetrics {
prometheus.MustRegister(amtRegUsers, sendEventDuration)
}
rateLimits := httputil.NewRateLimits(&cfg.RateLimiting)
userInteractiveAuth := auth.NewUserInteractive(userAPI, cfg)
@ -631,7 +639,7 @@ func Setup(
).Methods(http.MethodGet, http.MethodPost, http.MethodOptions)
v3mux.Handle("/auth/{authType}/fallback/web",
httputil.MakeHTMLAPI("auth_fallback", func(w http.ResponseWriter, req *http.Request) *util.JSONResponse {
httputil.MakeHTMLAPI("auth_fallback", base.EnableMetrics, func(w http.ResponseWriter, req *http.Request) *util.JSONResponse {
vars := mux.Vars(req)
return AuthFallback(w, req, vars["authType"], cfg)
}),

7
docs/administration/4_adminapi.md
View File

@ -44,7 +44,9 @@ This endpoint will instruct Dendrite to part the given local `userID` in the URL
all rooms which they are currently joined. A JSON body will be returned containing
the room IDs of all affected rooms.
## POST `/_dendrite/admin/resetPassword/{localpart}`
## POST `/_dendrite/admin/resetPassword/{userID}`
Reset the password of a local user.
Request body format:
@ -54,9 +56,6 @@ Request body format:
}
```
Reset the password of a local user. The `localpart` is the username only, i.e. if
the full user ID is `@alice:domain.com` then the local part is `alice`.
## GET `/_dendrite/admin/fulltext/reindex`
This endpoint instructs Dendrite to reindex all searchable events (`m.room.message`, `m.room.topic` and `m.room.name`). An empty JSON body will be returned immediately.

6
internal/httputil/httpapi.go
View File

@ -198,7 +198,7 @@ func MakeExternalAPI(metricsName string, f func(*http.Request) util.JSONResponse
// MakeHTMLAPI adds Span metrics to the HTML Handler function
// This is used to serve HTML alongside JSON error messages
func MakeHTMLAPI(metricsName string, f func(http.ResponseWriter, *http.Request) *util.JSONResponse) http.Handler {
func MakeHTMLAPI(metricsName string, enableMetrics bool, f func(http.ResponseWriter, *http.Request) *util.JSONResponse) http.Handler {
withSpan := func(w http.ResponseWriter, req *http.Request) {
span := opentracing.StartSpan(metricsName)
defer span.Finish()
@ -211,6 +211,10 @@ func MakeHTMLAPI(metricsName string, f func(http.ResponseWriter, *http.Request)
}
}
if !enableMetrics {
return http.HandlerFunc(withSpan)
}
return promhttp.InstrumentHandlerCounter(
promauto.NewCounterVec(
prometheus.CounterOpts{

44
internal/validate.go Normal file
View File

@ -0,0 +1,44 @@
// Copyright 2022 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 (
"fmt"
"net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/util"
)
const minPasswordLength = 8 // http://matrix.org/docs/spec/client_server/r0.2.0.html#password-based
const maxPasswordLength = 512 // https://github.com/matrix-org/synapse/blob/v0.20.0/synapse/rest/client/v2_alpha/register.py#L161
// ValidatePassword returns an error response if the password is invalid
func ValidatePassword(password string) *util.JSONResponse {
// https://github.com/matrix-org/synapse/blob/v0.20.0/synapse/rest/client/v2_alpha/register.py#L161
if len(password) > maxPasswordLength {
return &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON(fmt.Sprintf("password too long: max %d characters", maxPasswordLength)),
}
} else if len(password) > 0 && len(password) < minPasswordLength {
return &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.WeakPassword(fmt.Sprintf("password too weak: min %d chars", minPasswordLength)),
}
}
return nil
}

4
test/user.go
View File

@ -47,7 +47,7 @@ var (
type User struct {
ID string
accountType api.AccountType
AccountType api.AccountType
// key ID and private key of the server who has this user, if known.
keyID gomatrixserverlib.KeyID
privKey ed25519.PrivateKey
@ -66,7 +66,7 @@ func WithSigningServer(srvName gomatrixserverlib.ServerName, keyID gomatrixserve
func WithAccountType(accountType api.AccountType) UserOpt {
return func(u *User) {
u.accountType = accountType
u.AccountType = accountType
}
}