Set correct Content-Type

.forgejo/workflows/docker.yml

@@ -1,59 +0,0 @@
-on:
-  push:
-    tags:
-      - 'v*'
-
-env:
-  GHCR_NAMESPACE: sigb.us
-  PLATFORMS: linux/amd64
-  FORGEJO_USER: signaryk
-
-jobs:
-  monolith:
-    name: Monolith image
-    runs-on: docker
-    container:
-      image: ghcr.io/catthehacker/ubuntu:act-latest
-    permissions:
-      contents: read
-      packages: write
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Get release tag & build flags
-        if: github.event_name == 'release' # Only for GitHub releases
-        run: |
-          echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Login to sigb.us container registry
-        uses: docker/login-action@v3
-        with:
-          registry: git.sigb.us
-          username: ${{ env.FORGEJO_USER }}
-          password: ${{ secrets.FORGEJO_TOKEN }}
-
-      - name: Build main monolith image
-        id: docker_build_monolith
-        uses: docker/build-push-action@v3
-        with:
-          context: .
-          platforms: ${{ env.PLATFORMS }}
-          push: true
-          tags: |
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:${{ github.ref_name }}
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:latest
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:devel
-
-      - name: Build release monolith image
-        if: github.event_name == 'release' # Only for GitHub releases
-        id: docker_build_monolith_release
-        uses: docker/build-push-action@v3
-        with:
-          context: .
-          platforms: ${{ env.PLATFORMS }}
-          push: true
-          tags: |
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:latest
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:stable
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:${{ env.RELEASE_VERSION }}

.gitignore

@@ -5,7 +5,6 @@
 
 # Allow GitHub config
 !.github
-!.forgejo
 
 # Downloads
 /.downloads

clientapi/auth/login.go

@@ -61,7 +61,7 @@ func LoginFromJSONReader(
 	switch header.Type {
 	case authtypes.LoginTypePassword:
 		typ = &LoginTypePassword{
-			UserAPI: useraccountAPI,
+			GetAccountByPassword: useraccountAPI.QueryAccountByPassword,
 			Config:               cfg,
 		}
 	case authtypes.LoginTypeToken:

clientapi/auth/login_test.go

@@ -292,14 +292,6 @@ func (ua *fakeUserInternalAPI) QueryAccountByPassword(ctx context.Context, req *
 	return nil
 }
 
-func (ua *fakeUserInternalAPI) QueryAccountByLocalpart(ctx context.Context, req *uapi.QueryAccountByLocalpartRequest, res *uapi.QueryAccountByLocalpartResponse) error {
-	return nil
-}
-
-func (ua *fakeUserInternalAPI) PerformAccountCreation(ctx context.Context, req *uapi.PerformAccountCreationRequest, res *uapi.PerformAccountCreationResponse) error {
-	return nil
-}
-
 func (ua *fakeUserInternalAPI) PerformLoginTokenDeletion(ctx context.Context, req *uapi.PerformLoginTokenDeletionRequest, res *uapi.PerformLoginTokenDeletionResponse) error {
 	ua.DeletedTokens = append(ua.DeletedTokens, req.Token)
 	return nil

clientapi/auth/password.go

@@ -16,9 +16,6 @@ package auth
 
 import (
 	"context"
-	"database/sql"
-	"github.com/go-ldap/ldap/v3"
-	"github.com/google/uuid"
 	"net/http"
 	"strings"
 
@@ -31,6 +28,8 @@ import (
 	"github.com/matrix-org/util"
 )
 
+type GetAccountByPassword func(ctx context.Context, req *api.QueryAccountByPasswordRequest, res *api.QueryAccountByPasswordResponse) error
+
 type PasswordRequest struct {
 	Login
 	Password string `json:"password"`
@@ -38,8 +37,8 @@ type PasswordRequest struct {
 
 // LoginTypePassword implements https://matrix.org/docs/spec/client_server/r0.6.1#password-based
 type LoginTypePassword struct {
+	GetAccountByPassword GetAccountByPassword
 	Config               *config.ClientAPI
-	UserAPI api.UserLoginAPI
 }
 
 func (t *LoginTypePassword) Name() string {
@@ -60,21 +59,22 @@ func (t *LoginTypePassword) LoginFromJSON(ctx context.Context, reqBytes []byte)
 	return login, func(context.Context, *util.JSONResponse) {}, nil
 }
 
-func (t *LoginTypePassword) Login(ctx context.Context, request *PasswordRequest) (*Login, *util.JSONResponse) {
-	fullUsername := request.Username()
-	if fullUsername == "" {
+func (t *LoginTypePassword) Login(ctx context.Context, req interface{}) (*Login, *util.JSONResponse) {
+	r := req.(*PasswordRequest)
+	username := r.Username()
+	if username == "" {
 		return nil, &util.JSONResponse{
 			Code: http.StatusUnauthorized,
 			JSON: spec.BadJSON("A username must be supplied."),
 		}
 	}
-	if len(request.Password) == 0 {
+	if len(r.Password) == 0 {
 		return nil, &util.JSONResponse{
 			Code: http.StatusUnauthorized,
 			JSON: spec.BadJSON("A password must be supplied."),
 		}
 	}
-	username, domain, err := userutil.ParseUsernameParam(fullUsername, t.Config.Matrix)
+	localpart, domain, err := userutil.ParseUsernameParam(username, t.Config.Matrix)
 	if err != nil {
 		return nil, &util.JSONResponse{
 			Code: http.StatusUnauthorized,
@@ -87,38 +87,12 @@ func (t *LoginTypePassword) Login(ctx context.Context, request *PasswordRequest)
 			JSON: spec.InvalidUsername("The server name is not known."),
 		}
 	}
-
-	var account *api.Account
-	if t.Config.Ldap.Enabled {
-		isAdmin, err := t.authenticateLdap(username, request.Password)
-		if err != nil {
-			return nil, err
-		}
-		acc, err := t.getOrCreateAccount(ctx, username, domain, isAdmin)
-		if err != nil {
-			return nil, err
-		}
-		account = acc
-	} else {
-		acc, err := t.authenticateDb(ctx, username, domain, request.Password)
-		if err != nil {
-			return nil, err
-		}
-		account = acc
-	}
-
-	// Set the user, so login.Username() can do the right thing
-	request.Identifier.User = account.UserID
-	request.User = account.UserID
-	return &request.Login, nil
-}
-
-func (t *LoginTypePassword) authenticateDb(ctx context.Context, username string, domain spec.ServerName, password string) (*api.Account, *util.JSONResponse) {
+	// Squash username to all lowercase letters
 	res := &api.QueryAccountByPasswordResponse{}
-	err := t.UserAPI.QueryAccountByPassword(ctx, &api.QueryAccountByPasswordRequest{
-		Localpart:         strings.ToLower(username),
+	err = t.GetAccountByPassword(ctx, &api.QueryAccountByPasswordRequest{
+		Localpart:         strings.ToLower(localpart),
 		ServerName:        domain,
-		PlaintextPassword: password,
+		PlaintextPassword: r.Password,
 	}, res)
 	if err != nil {
 		return nil, &util.JSONResponse{
@@ -127,11 +101,13 @@ func (t *LoginTypePassword) authenticateDb(ctx context.Context, username string,
 		}
 	}
 
+	// If we couldn't find the user by the lower cased localpart, try the provided
+	// localpart as is.
 	if !res.Exists {
-		err = t.UserAPI.QueryAccountByPassword(ctx, &api.QueryAccountByPasswordRequest{
-			Localpart:         username,
+		err = t.GetAccountByPassword(ctx, &api.QueryAccountByPasswordRequest{
+			Localpart:         localpart,
 			ServerName:        domain,
-			PlaintextPassword: password,
+			PlaintextPassword: r.Password,
 		}, res)
 		if err != nil {
 			return nil, &util.JSONResponse{
@@ -139,6 +115,8 @@ func (t *LoginTypePassword) authenticateDb(ctx context.Context, username string,
 				JSON: spec.Unknown("Unable to fetch account by password."),
 			}
 		}
+		// Technically we could tell them if the user does not exist by checking if err == sql.ErrNoRows
+		// but that would leak the existence of the user.
 		if !res.Exists {
 			return nil, &util.JSONResponse{
 				Code: http.StatusForbidden,
@@ -146,141 +124,8 @@ func (t *LoginTypePassword) authenticateDb(ctx context.Context, username string,
 			}
 		}
 	}
-	return res.Account, nil
-}
-func (t *LoginTypePassword) authenticateLdap(username, password string) (bool, *util.JSONResponse) {
-	var conn *ldap.Conn
-	conn, err := ldap.DialURL(t.Config.Ldap.Uri)
-	if err != nil {
-		return false, &util.JSONResponse{
-			Code: http.StatusInternalServerError,
-			JSON: spec.Unknown("unable to connect to ldap: " + err.Error()),
-		}
-	}
-	defer conn.Close()
-
-	if t.Config.Ldap.AdminBindEnabled {
-		err = conn.Bind(t.Config.Ldap.AdminBindDn, t.Config.Ldap.AdminBindPassword)
-		if err != nil {
-			return false, &util.JSONResponse{
-				Code: http.StatusInternalServerError,
-				JSON: spec.Unknown("unable to bind to ldap: " + err.Error()),
-			}
-		}
-		filter := strings.ReplaceAll(t.Config.Ldap.SearchFilter, "{username}", username)
-		searchRequest := ldap.NewSearchRequest(
-			t.Config.Ldap.BaseDn, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,
-			0, 0, false, filter, []string{t.Config.Ldap.SearchAttribute}, nil,
-		)
-		result, err := conn.Search(searchRequest)
-		if err != nil {
-			return false, &util.JSONResponse{
-				Code: http.StatusInternalServerError,
-				JSON: spec.Unknown("unable to bind to search ldap: " + err.Error()),
-			}
-		}
-		if len(result.Entries) > 1 {
-			return false, &util.JSONResponse{
-				Code: http.StatusUnauthorized,
-				JSON: spec.BadJSON("'user' must be duplicated."),
-			}
-		}
-		if len(result.Entries) < 1 {
-			return false, &util.JSONResponse{
-				Code: http.StatusUnauthorized,
-				JSON: spec.BadJSON("'user' not found."),
-			}
-		}
-
-		userDN := result.Entries[0].DN
-		err = conn.Bind(userDN, password)
-		if err != nil {
-			return false, &util.JSONResponse{
-				Code: http.StatusUnauthorized,
-				JSON: spec.InvalidUsername(err.Error()),
-			}
-		}
-	} else {
-		bindDn := strings.ReplaceAll(t.Config.Ldap.UserBindDn, "{username}", username)
-		err = conn.Bind(bindDn, password)
-		if err != nil {
-			return false, &util.JSONResponse{
-				Code: http.StatusUnauthorized,
-				JSON: spec.InvalidUsername(err.Error()),
-			}
-		}
-	}
-
-	isAdmin, err := t.isLdapAdmin(conn, username)
-	if err != nil {
-		return false, &util.JSONResponse{
-			Code: http.StatusUnauthorized,
-			JSON: spec.InvalidUsername(err.Error()),
-		}
-	}
-	return isAdmin, nil
-}
-
-func (t *LoginTypePassword) isLdapAdmin(conn *ldap.Conn, username string) (bool, error) {
-	searchRequest := ldap.NewSearchRequest(
-		t.Config.Ldap.AdminGroupDn,
-		ldap.ScopeWholeSubtree, ldap.DerefAlways, 0, 0, false,
-		strings.ReplaceAll(t.Config.Ldap.AdminGroupFilter, "{username}", username),
-		[]string{t.Config.Ldap.AdminGroupAttribute},
-		nil)
-
-	sr, err := conn.Search(searchRequest)
-	if err != nil {
-		return false, err
-	}
-
-	if len(sr.Entries) < 1 {
-		return false, nil
-	}
-	return true, nil
-}
-
-func (t *LoginTypePassword) getOrCreateAccount(ctx context.Context, username string, domain spec.ServerName, admin bool) (*api.Account, *util.JSONResponse) {
-	var existing api.QueryAccountByLocalpartResponse
-	err := t.UserAPI.QueryAccountByLocalpart(ctx, &api.QueryAccountByLocalpartRequest{
-		Localpart:  username,
-		ServerName: domain,
-	}, &existing)
-
-	if err == nil {
-		return existing.Account, nil
-	}
-	if err != sql.ErrNoRows {
-		return nil, &util.JSONResponse{
-			Code: http.StatusUnauthorized,
-			JSON: spec.InvalidUsername(err.Error()),
-		}
-	}
-
-	accountType := api.AccountTypeUser
-	if admin {
-		accountType = api.AccountTypeAdmin
-	}
-	var created api.PerformAccountCreationResponse
-	err = t.UserAPI.PerformAccountCreation(ctx, &api.PerformAccountCreationRequest{
-		AppServiceID: "ldap",
-		Localpart:    username,
-		Password:     uuid.New().String(),
-		AccountType:  accountType,
-		OnConflict:   api.ConflictAbort,
-	}, &created)
-
-	if err != nil {
-		if _, ok := err.(*api.ErrorConflict); ok {
-			return nil, &util.JSONResponse{
-				Code: http.StatusBadRequest,
-				JSON: spec.UserInUse("Desired user ID is already taken."),
-			}
-		}
-		return nil, &util.JSONResponse{
-			Code: http.StatusInternalServerError,
-			JSON: spec.Unknown("failed to create account: " + err.Error()),
-		}
-	}
-	return created.Account, nil
+	// Set the user, so login.Username() can do the right thing
+	r.Identifier.User = res.Account.UserID
+	r.User = res.Account.UserID
+	return &r.Login, nil
 }

clientapi/auth/user_interactive.go

@@ -113,7 +113,7 @@ type UserInteractive struct {
 
 func NewUserInteractive(userAccountAPI api.UserLoginAPI, cfg *config.ClientAPI) *UserInteractive {
 	typePassword := &LoginTypePassword{
-		UserAPI: userAccountAPI,
+		GetAccountByPassword: userAccountAPI.QueryAccountByPassword,
 		Config:               cfg,
 	}
 	return &UserInteractive{

clientapi/auth/user_interactive_test.go

@@ -45,14 +45,6 @@ func (d *fakeAccountDatabase) QueryAccountByPassword(ctx context.Context, req *a
 	return nil
 }
 
-func (d *fakeAccountDatabase) QueryAccountByLocalpart(ctx context.Context, req *api.QueryAccountByLocalpartRequest, res *api.QueryAccountByLocalpartResponse) error {
-	return nil
-}
-
-func (d *fakeAccountDatabase) PerformAccountCreation(ctx context.Context, req *api.PerformAccountCreationRequest, res *api.PerformAccountCreationResponse) error {
-	return nil
-}
-
 func setup() *UserInteractive {
 	cfg := &config.ClientAPI{
 		Matrix: &config.Global{

clientapi/routing/key_crosssigning.go

@@ -32,7 +32,7 @@ type crossSigningRequest struct {
 }
 
 func UploadCrossSigningDeviceKeys(
-	req *http.Request,
+	req *http.Request, userInteractiveAuth *auth.UserInteractive,
 	keyserverAPI api.ClientKeyAPI, device *api.Device,
 	accountAPI api.ClientUserAPI, cfg *config.ClientAPI,
 ) util.JSONResponse {
@@ -62,7 +62,7 @@ func UploadCrossSigningDeviceKeys(
 		}
 	}
 	typePassword := auth.LoginTypePassword{
-		UserAPI: accountAPI,
+		GetAccountByPassword: accountAPI.QueryAccountByPassword,
 		Config:               cfg,
 	}
 	if _, authErr := typePassword.Login(req.Context(), &uploadReq.Auth.PasswordRequest); authErr != nil {

clientapi/routing/password.go

@@ -73,7 +73,7 @@ func Password(
 
 	// Check if the existing password is correct.
 	typePassword := auth.LoginTypePassword{
-		UserAPI: userAPI,
+		GetAccountByPassword: userAPI.QueryAccountByPassword,
 		Config:               cfg,
 	}
 	if _, authErr := typePassword.Login(req.Context(), &r.Auth.PasswordRequest); authErr != nil {

clientapi/routing/routing.go

@@ -94,6 +94,7 @@ func Setup(
 	unstableFeatures := map[string]bool{
 		"org.matrix.e2e_cross_signing": true,
 		"org.matrix.msc2285.stable":    true,
+		"org.matrix.msc3916":           true,
 	}
 	for _, msc := range cfg.MSCs.MSCs {
 		unstableFeatures["org.matrix."+msc] = true
@@ -732,7 +733,7 @@ func Setup(
 	).Methods(http.MethodGet, http.MethodPost, http.MethodOptions)
 
 	v3mux.Handle("/auth/{authType}/fallback/web",
-		httputil.MakeHTMLAPI("auth_fallback", enableMetrics, func(w http.ResponseWriter, req *http.Request) {
+		httputil.MakeHTMLAPI("auth_fallback", userAPI, enableMetrics, func(w http.ResponseWriter, req *http.Request) {
 			vars := mux.Vars(req)
 			AuthFallback(w, req, vars["authType"], cfg)
 		}),
@@ -1448,7 +1449,7 @@ func Setup(
 	// Cross-signing device keys
 
 	postDeviceSigningKeys := httputil.MakeAuthAPI("post_device_signing_keys", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
-		return UploadCrossSigningDeviceKeys(req, userAPI, device, userAPI, cfg)
+		return UploadCrossSigningDeviceKeys(req, userInteractiveAuth, userAPI, device, userAPI, cfg)
 	})
 
 	postDeviceSigningSignatures := httputil.MakeAuthAPI("post_device_signing_signatures", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {

federationapi/routing/routing.go

@@ -16,6 +16,7 @@ package routing
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"sync"
@@ -678,6 +679,53 @@ func MakeFedAPI(
 	return httputil.MakeExternalAPI(metricsName, h)
 }
 
+// MakeFedAPI makes an http.Handler that checks matrix federation authentication.
+func MakeFedAPIHTML(
+	serverName spec.ServerName,
+	isLocalServerName func(spec.ServerName) bool,
+	keyRing gomatrixserverlib.JSONVerifier,
+	f func(http.ResponseWriter, *http.Request),
+) http.Handler {
+	h := func(w http.ResponseWriter, req *http.Request) {
+		fedReq, errResp := fclient.VerifyHTTPRequest(
+			req, time.Now(), serverName, isLocalServerName, keyRing,
+		)
+
+		enc := json.NewEncoder(w)
+		logger := util.GetLogger(req.Context())
+		if fedReq == nil {
+
+			logger.Debugf("VerifyUserFromRequest %s -> HTTP %d", req.RemoteAddr, errResp.Code)
+			w.WriteHeader(errResp.Code)
+			if err := enc.Encode(errResp); err != nil {
+				logger.WithError(err).Error("failed to encode JSON response")
+			}
+			return
+		}
+		// add the user to Sentry, if enabled
+		hub := sentry.GetHubFromContext(req.Context())
+		if hub != nil {
+			// clone the hub, so we don't send garbage events with e.g. mismatching rooms/event_ids
+			hub = hub.Clone()
+			hub.Scope().SetTag("origin", string(fedReq.Origin()))
+			hub.Scope().SetTag("uri", fedReq.RequestURI())
+		}
+		defer func() {
+			if r := recover(); r != nil {
+				if hub != nil {
+					hub.CaptureException(fmt.Errorf("%s panicked", req.URL.Path))
+				}
+				// re-panic to return the 500
+				panic(r)
+			}
+		}()
+
+		f(w, req)
+	}
+
+	return http.HandlerFunc(h)
+}
+
 type FederationWakeups struct {
 	FsAPI   *fedInternal.FederationInternalAPI
 	origins sync.Map

go.mod

@@ -12,7 +12,6 @@ require (
 	github.com/docker/docker v24.0.9+incompatible
 	github.com/docker/go-connections v0.4.0
 	github.com/getsentry/sentry-go v0.14.0
-	github.com/go-ldap/ldap/v3 v3.4.4
 	github.com/gologme/log v1.3.0
 	github.com/google/go-cmp v0.6.0
 	github.com/google/uuid v1.3.0
@@ -23,7 +22,7 @@ require (
 	github.com/matrix-org/dugong v0.0.0-20210921133753-66e6b1c67e2e
 	github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91
 	github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530
-	github.com/matrix-org/gomatrixserverlib v0.0.0-20240328203753-c2391f7113a5
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20240618131621-ba4c4992f66d
 	github.com/matrix-org/pinecone v0.11.1-0.20230810010612-ea4c33717fd7
 	github.com/matrix-org/util v0.0.0-20221111132719-399730281e66
 	github.com/mattn/go-sqlite3 v1.14.22
@@ -58,7 +57,6 @@ require (
 )
 
 require (
-	github.com/Azure/go-ntlmssp v0.0.0-20220621081337-cb9428e4ac1e // indirect
 	github.com/HdrHistogram/hdrhistogram-go v1.1.2 // indirect
 	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/RoaringBitmap/roaring v1.2.3 // indirect
@@ -86,7 +84,6 @@ require (
 	github.com/docker/distribution v2.8.2+incompatible // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/go-asn1-ber/asn1-ber v1.5.4 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/geo v0.0.0-20210211234256-740aa86cb551 // indirect

go.sum

@@ -5,8 +5,6 @@ github.com/Arceliar/phony v0.0.0-20210209235338-dde1a8dca979 h1:WndgpSW13S32VLQ3
 github.com/Arceliar/phony v0.0.0-20210209235338-dde1a8dca979/go.mod h1:6Lkn+/zJilRMsKmbmG1RPoamiArC6HS73xbwRyp3UyI=
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
-github.com/Azure/go-ntlmssp v0.0.0-20220621081337-cb9428e4ac1e h1:NeAW1fUYUEWhft7pkxDf6WoUvEZJ/uOKsvtpjLnn8MU=
-github.com/Azure/go-ntlmssp v0.0.0-20220621081337-cb9428e4ac1e/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
 github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
@@ -117,12 +115,8 @@ github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwv
 github.com/gin-gonic/gin v1.8.1 h1:4+fr/el88TOO3ewCmQr8cx/CtZ/umlIRIs5M4NTNjf8=
 github.com/glycerine/go-unsnap-stream v0.0.0-20180323001048-9f0cb55181dd/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
 github.com/glycerine/goconvey v0.0.0-20180728074245-46e3a41ad493/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
-github.com/go-asn1-ber/asn1-ber v1.5.4 h1:vXT6d/FNDiELJnLb6hGNa309LMsrCoYFvpwHDF0+Y1A=
-github.com/go-asn1-ber/asn1-ber v1.5.4/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
 github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-ldap/ldap/v3 v3.4.4 h1:qPjipEpt+qDa6SI/h1fzuGWoRUY+qqQ9sOZq67/PYUs=
-github.com/go-ldap/ldap/v3 v3.4.4/go.mod h1:fe1MsuN5eJJ1FeLT/LEBVdWfNWKh459R7aXgXtJC+aI=
 github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
@@ -217,8 +211,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91 h1:s7fexw
 github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91/go.mod h1:e+cg2q7C7yE5QnAXgzo512tgFh1RbQLC0+jozuegKgo=
 github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530 h1:kHKxCOLcHH8r4Fzarl4+Y3K5hjothkVW5z7T1dUM11U=
 github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530/go.mod h1:/gBX06Kw0exX1HrwmoBibFA98yBk/jxKpGVeyQbff+s=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20240328203753-c2391f7113a5 h1:GuxmpyjZQoqb6UFQgKq8Td3wIITlXln/sItqp1jbTTA=
-github.com/matrix-org/gomatrixserverlib v0.0.0-20240328203753-c2391f7113a5/go.mod h1:HZGsVJ3bUE+DkZtufkH9H0mlsvbhEGK5CpX0Zlavylg=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20240618131621-ba4c4992f66d h1:drDloOznSn5b9vhrsK5LNziiPECZDvgqwYim6s4hmqU=
+github.com/matrix-org/gomatrixserverlib v0.0.0-20240618131621-ba4c4992f66d/go.mod h1:HZGsVJ3bUE+DkZtufkH9H0mlsvbhEGK5CpX0Zlavylg=
 github.com/matrix-org/pinecone v0.11.1-0.20230810010612-ea4c33717fd7 h1:6t8kJr8i1/1I5nNttw6nn1ryQJgzVlBmSGgPiiaTdw4=
 github.com/matrix-org/pinecone v0.11.1-0.20230810010612-ea4c33717fd7/go.mod h1:ReWMS/LoVnOiRAdq9sNUC2NZnd1mZkMNB52QhpTRWjg=
 github.com/matrix-org/util v0.0.0-20221111132719-399730281e66 h1:6z4KxomXSIGWqhHcfzExgkH3Z3UkIXry4ibJS4Aqz2Y=
@@ -389,7 +383,6 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
@@ -413,7 +406,6 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -435,7 +427,6 @@ golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=

internal/httputil/httpapi.go

@@ -15,6 +15,7 @@
 package httputil
 
 import (
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -44,6 +45,7 @@ type BasicAuth struct {
 
 type AuthAPIOpts struct {
 	GuestAccessAllowed bool
+	WithAuth           bool
 }
 
 // AuthAPIOption is an option to MakeAuthAPI to add additional checks (e.g. guest access) to verify
@@ -57,6 +59,13 @@ func WithAllowGuests() AuthAPIOption {
 	}
 }
 
+// WithAuth is an option to MakeHTMLAPI to add authentication.
+func WithAuth() AuthAPIOption {
+	return func(opts *AuthAPIOpts) {
+		opts.WithAuth = true
+	}
+}
+
 // MakeAuthAPI turns a util.JSONRequestHandler function into an http.Handler which authenticates the request.
 func MakeAuthAPI(
 	metricsName string, userAPI userapi.QueryAcccessTokenAPI,
@@ -199,11 +208,31 @@ 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, enableMetrics bool, f func(http.ResponseWriter, *http.Request)) http.Handler {
+func MakeHTMLAPI(metricsName string, userAPI userapi.QueryAcccessTokenAPI, enableMetrics bool, f func(http.ResponseWriter, *http.Request), checks ...AuthAPIOption) http.Handler {
 	withSpan := func(w http.ResponseWriter, req *http.Request) {
 		trace, ctx := internal.StartTask(req.Context(), metricsName)
 		defer trace.EndTask()
 		req = req.WithContext(ctx)
+
+		// apply additional checks, if any
+		opts := AuthAPIOpts{}
+		for _, opt := range checks {
+			opt(&opts)
+		}
+
+		if opts.WithAuth {
+			logger := util.GetLogger(req.Context())
+			_, jsonErr := auth.VerifyUserFromRequest(req, userAPI)
+			if jsonErr != nil {
+				logger.Debugf("VerifyUserFromRequest %s -> HTTP %d", req.RemoteAddr, jsonErr.Code)
+				w.WriteHeader(jsonErr.Code)
+				if err := json.NewEncoder(w).Encode(jsonErr.JSON); err != nil {
+					logger.WithError(err).Error("failed to encode JSON response")
+				}
+				return
+			}
+		}
+
 		f(w, req)
 	}
 

mediaapi/mediaapi.go

@@ -15,23 +15,26 @@
 package mediaapi
 
 import (
-	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/mediaapi/routing"
 	"github.com/matrix-org/dendrite/mediaapi/storage"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
+	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/gomatrixserverlib/fclient"
 	"github.com/sirupsen/logrus"
 )
 
 // AddPublicRoutes sets up and registers HTTP handlers for the MediaAPI component.
 func AddPublicRoutes(
-	mediaRouter *mux.Router,
+	routers httputil.Routers,
 	cm *sqlutil.Connections,
 	cfg *config.Dendrite,
 	userAPI userapi.MediaUserAPI,
 	client *fclient.Client,
+	fedClient fclient.FederationClient,
+	keyRing gomatrixserverlib.JSONVerifier,
 ) {
 	mediaDB, err := storage.NewMediaAPIDatasource(cm, &cfg.MediaAPI.Database)
 	if err != nil {
@@ -39,6 +42,6 @@ func AddPublicRoutes(
 	}
 
 	routing.Setup(
-		mediaRouter, cfg, mediaDB, userAPI, client,
+		routers, cfg, mediaDB, userAPI, client, fedClient, keyRing,
 	)
 }

mediaapi/routing/download.go

@@ -21,7 +21,9 @@ import (
 	"io"
 	"io/fs"
 	"mime"
+	"mime/multipart"
 	"net/http"
+	"net/textproto"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -31,6 +33,7 @@ import (
 	"sync"
 	"unicode"
 
+	"github.com/google/uuid"
 	"github.com/matrix-org/dendrite/mediaapi/fileutils"
 	"github.com/matrix-org/dendrite/mediaapi/storage"
 	"github.com/matrix-org/dendrite/mediaapi/thumbnailer"
@@ -61,6 +64,9 @@ type downloadRequest struct {
 	ThumbnailSize      types.ThumbnailSize
 	Logger             *log.Entry
 	DownloadFilename   string
+	forFederation      bool // whether we need to return a multipart/mixed response
+	fedClient          fclient.FederationClient
+	origin             spec.ServerName
 }
 
 // Taken from: https://github.com/matrix-org/synapse/blob/c3627d0f99ed5a23479305dc2bd0e71ca25ce2b1/synapse/media/_base.py#L53C1-L84
@@ -111,11 +117,17 @@ func Download(
 	cfg *config.MediaAPI,
 	db storage.Database,
 	client *fclient.Client,
+	fedClient fclient.FederationClient,
 	activeRemoteRequests *types.ActiveRemoteRequests,
 	activeThumbnailGeneration *types.ActiveThumbnailGeneration,
 	isThumbnailRequest bool,
 	customFilename string,
+	forFederation bool,
 ) {
+	// This happens if we call Download for a federation request
+	if forFederation && origin == "" {
+		origin = cfg.Matrix.ServerName
+	}
 	dReq := &downloadRequest{
 		MediaMetadata: &types.MediaMetadata{
 			MediaID: mediaID,
@@ -127,6 +139,9 @@ func Download(
 			"MediaID": mediaID,
 		}),
 		DownloadFilename: customFilename,
+		forFederation:    forFederation,
+		origin:           cfg.Matrix.ServerName,
+		fedClient:        fedClient,
 	}
 
 	if dReq.IsThumbnailRequest {
@@ -355,7 +370,7 @@ func (r *downloadRequest) respondFromLocalFile(
 		}).Trace("Responding with file")
 		responseFile = file
 		responseMetadata = r.MediaMetadata
-		if err := r.addDownloadFilenameToHeaders(w, responseMetadata); err != nil {
+		if err = r.addDownloadFilenameToHeaders(w, responseMetadata); err != nil {
 			return nil, err
 		}
 	}
@@ -369,9 +384,50 @@ func (r *downloadRequest) respondFromLocalFile(
 		" object-src 'self';"
 	w.Header().Set("Content-Security-Policy", contentSecurityPolicy)
 
-	if _, err := io.Copy(w, responseFile); err != nil {
+	if !r.forFederation {
+		if _, err = io.Copy(w, responseFile); err != nil {
 			return nil, fmt.Errorf("io.Copy: %w", err)
 		}
+	} else {
+		// Update the header to be multipart/mixed; boundary=$randomBoundary
+		boundary := uuid.NewString()
+		w.Header().Set("Content-Type", "multipart/mixed; boundary="+boundary)
+
+		w.Header().Del("Content-Length")          // let Go handle the content length
+		w.Header().Del("Content-Security-Policy") // S-S request, so does not really matter?
+		mw := multipart.NewWriter(w)
+		defer func() {
+			if err = mw.Close(); err != nil {
+				r.Logger.WithError(err).Error("Failed to close multipart writer")
+			}
+		}()
+
+		if err = mw.SetBoundary(boundary); err != nil {
+			return nil, fmt.Errorf("failed to set multipart boundary: %w", err)
+		}
+
+		// JSON object part
+		jsonWriter, err := mw.CreatePart(textproto.MIMEHeader{
+			"Content-Type": {"application/json"},
+		})
+		if err != nil {
+			return nil, fmt.Errorf("failed to create json writer: %w", err)
+		}
+		if _, err = jsonWriter.Write([]byte("{}")); err != nil {
+			return nil, fmt.Errorf("failed to write to json writer: %w", err)
+		}
+
+		// media part
+		mediaWriter, err := mw.CreatePart(textproto.MIMEHeader{
+			"Content-Type": {string(responseMetadata.ContentType)},
+		})
+		if err != nil {
+			return nil, fmt.Errorf("failed to create media writer: %w", err)
+		}
+		if _, err = io.Copy(mediaWriter, responseFile); err != nil {
+			return nil, fmt.Errorf("failed to write to media writer: %w", err)
+		}
+	}
 	return responseMetadata, nil
 }
 
@@ -722,8 +778,7 @@ func (r *downloadRequest) fetchRemoteFileAndStoreMetadata(
 	return nil
 }
 
-func (r *downloadRequest) GetContentLengthAndReader(contentLengthHeader string, body *io.ReadCloser, maxFileSizeBytes config.FileSizeBytes) (int64, io.Reader, error) {
-	reader := *body
+func (r *downloadRequest) GetContentLengthAndReader(contentLengthHeader string, reader io.ReadCloser, maxFileSizeBytes config.FileSizeBytes) (int64, io.Reader, error) {
 	var contentLength int64
 
 	if contentLengthHeader != "" {
@@ -742,7 +797,7 @@ func (r *downloadRequest) GetContentLengthAndReader(contentLengthHeader string,
 
 		// We successfully parsed the Content-Length, so we'll return a limited
 		// reader that restricts us to reading only up to this size.
-		reader = io.NopCloser(io.LimitReader(*body, parsedLength))
+		reader = io.NopCloser(io.LimitReader(reader, parsedLength))
 		contentLength = parsedLength
 	} else {
 		// Content-Length header is missing. If we have a maximum file size
@@ -751,7 +806,7 @@ func (r *downloadRequest) GetContentLengthAndReader(contentLengthHeader string,
 		// ultimately it will get rewritten later when the temp file is written
 		// to disk.
 		if maxFileSizeBytes > 0 {
-			reader = io.NopCloser(io.LimitReader(*body, int64(maxFileSizeBytes)))
+			reader = io.NopCloser(io.LimitReader(reader, int64(maxFileSizeBytes)))
 		}
 		contentLength = 0
 	}
@@ -759,6 +814,7 @@ func (r *downloadRequest) GetContentLengthAndReader(contentLengthHeader string,
 	return contentLength, reader, nil
 }
 
+// nolint: gocyclo
 func (r *downloadRequest) fetchRemoteFile(
 	ctx context.Context,
 	client *fclient.Client,
@@ -767,19 +823,69 @@ func (r *downloadRequest) fetchRemoteFile(
 ) (types.Path, bool, error) {
 	r.Logger.Debug("Fetching remote file")
 
+	// Attempt to download via authenticated media endpoint
+	isMultiPart := true
+	resp, err := r.fedClient.DownloadMedia(ctx, r.origin, r.MediaMetadata.Origin, string(r.MediaMetadata.MediaID))
+	if err != nil || (resp != nil && resp.StatusCode != http.StatusOK) {
+		isMultiPart = false
+		// try again on the unauthed endpoint
 		// create request for remote file
-	resp, err := client.CreateMediaDownloadRequest(ctx, r.MediaMetadata.Origin, string(r.MediaMetadata.MediaID))
+		resp, err = client.CreateMediaDownloadRequest(ctx, r.MediaMetadata.Origin, string(r.MediaMetadata.MediaID))
 		if err != nil || (resp != nil && resp.StatusCode != http.StatusOK) {
 			if resp != nil && resp.StatusCode == http.StatusNotFound {
 				return "", false, fmt.Errorf("File with media ID %q does not exist on %s", r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
 			}
 			return "", false, fmt.Errorf("file with media ID %q could not be downloaded from %s", r.MediaMetadata.MediaID, r.MediaMetadata.Origin)
 		}
+	}
 	defer resp.Body.Close() // nolint: errcheck
 
+	// If this wasn't a multipart response, set the Content-Type now. Will be overwritten
+	// by the multipart Content-Type below.
+	r.MediaMetadata.ContentType = types.ContentType(resp.Header.Get("Content-Type"))
+
+	var contentLength int64
+	var reader io.Reader
+	var parseErr error
+	if isMultiPart {
+		r.Logger.Info("Downloaded file using authenticated endpoint")
+		var params map[string]string
+		_, params, err = mime.ParseMediaType(resp.Header.Get("Content-Type"))
+		if err != nil {
+			panic(err)
+		}
+		if params["boundary"] == "" {
+			return "", false, fmt.Errorf("no boundary header found on %s", r.MediaMetadata.Origin)
+		}
+		mr := multipart.NewReader(resp.Body, params["boundary"])
+
+		first := true
+		for {
+			var p *multipart.Part
+			p, err = mr.NextPart()
+			if err == io.EOF {
+				break
+			}
+			if err != nil {
+				return "", false, err
+			}
+
+			if !first {
+				readCloser := io.NopCloser(p)
+				contentLength, reader, parseErr = r.GetContentLengthAndReader(p.Header.Get("Content-Length"), readCloser, maxFileSizeBytes)
+				// For multipart requests, we need to get the Content-Type of the second part, which is the actual media
+				r.MediaMetadata.ContentType = types.ContentType(p.Header.Get("Content-Type"))
+				break
+			}
+
+			first = false
+		}
+	} else {
 		// The reader returned here will be limited either by the Content-Length
 		// and/or the configured maximum media size.
-	contentLength, reader, parseErr := r.GetContentLengthAndReader(resp.Header.Get("Content-Length"), &resp.Body, maxFileSizeBytes)
+		contentLength, reader, parseErr = r.GetContentLengthAndReader(resp.Header.Get("Content-Length"), resp.Body, maxFileSizeBytes)
+	}
+
 	if parseErr != nil {
 		return "", false, parseErr
 	}
@@ -790,7 +896,6 @@ func (r *downloadRequest) fetchRemoteFile(
 	}
 
 	r.MediaMetadata.FileSizeBytes = types.FileSizeBytes(contentLength)
-	r.MediaMetadata.ContentType = types.ContentType(resp.Header.Get("Content-Type"))
 
 	dispositionHeader := resp.Header.Get("Content-Disposition")
 	if _, params, e := mime.ParseMediaType(dispositionHeader); e == nil {

mediaapi/routing/routing.go

@@ -20,11 +20,13 @@ import (
 	"strings"
 
 	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/federationapi/routing"
 	"github.com/matrix-org/dendrite/internal/httputil"
 	"github.com/matrix-org/dendrite/mediaapi/storage"
 	"github.com/matrix-org/dendrite/mediaapi/types"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
+	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/gomatrixserverlib/fclient"
 	"github.com/matrix-org/gomatrixserverlib/spec"
 	"github.com/matrix-org/util"
@@ -45,15 +47,19 @@ type configResponse struct {
 // applied:
 // nolint: gocyclo
 func Setup(
-	publicAPIMux *mux.Router,
+	routers httputil.Routers,
 	cfg *config.Dendrite,
 	db storage.Database,
 	userAPI userapi.MediaUserAPI,
 	client *fclient.Client,
+	federationClient fclient.FederationClient,
+	keyRing gomatrixserverlib.JSONVerifier,
 ) {
 	rateLimits := httputil.NewRateLimits(&cfg.ClientAPI.RateLimiting)
 
-	v3mux := publicAPIMux.PathPrefix("/{apiversion:(?:r0|v1|v3)}/").Subrouter()
+	v3mux := routers.Media.PathPrefix("/{apiversion:(?:r0|v1|v3)}/").Subrouter()
+	v1mux := routers.Client.PathPrefix("/v1/media/").Subrouter()
+	v1fedMux := routers.Federation.PathPrefix("/v1/media/").Subrouter()
 
 	activeThumbnailGeneration := &types.ActiveThumbnailGeneration{
 		PathToResult: map[string]*types.ThumbnailGenerationResult{},
@@ -90,33 +96,100 @@ func Setup(
 		MXCToResult: map[string]*types.RemoteRequestResult{},
 	}
 
-	downloadHandler := makeDownloadAPI("download", &cfg.MediaAPI, rateLimits, db, client, activeRemoteRequests, activeThumbnailGeneration)
+	downloadHandler := makeDownloadAPI("download_unauthed", &cfg.MediaAPI, rateLimits, db, client, federationClient, activeRemoteRequests, activeThumbnailGeneration, false)
 	v3mux.Handle("/download/{serverName}/{mediaId}", downloadHandler).Methods(http.MethodGet, http.MethodOptions)
 	v3mux.Handle("/download/{serverName}/{mediaId}/{downloadName}", downloadHandler).Methods(http.MethodGet, http.MethodOptions)
 
 	v3mux.Handle("/thumbnail/{serverName}/{mediaId}",
-		makeDownloadAPI("thumbnail", &cfg.MediaAPI, rateLimits, db, client, activeRemoteRequests, activeThumbnailGeneration),
+		makeDownloadAPI("thumbnail_unauthed", &cfg.MediaAPI, rateLimits, db, client, federationClient, activeRemoteRequests, activeThumbnailGeneration, false),
 	).Methods(http.MethodGet, http.MethodOptions)
+
+	// v1 client endpoints requiring auth
+	downloadHandlerAuthed := httputil.MakeHTMLAPI("download_authed_client", userAPI, cfg.Global.Metrics.Enabled, downloadHandler, httputil.WithAuth())
+	v1mux.Handle("/config", configHandler).Methods(http.MethodGet, http.MethodOptions)
+	v1mux.Handle("/download/{serverName}/{mediaId}", downloadHandlerAuthed).Methods(http.MethodGet, http.MethodOptions)
+	v1mux.Handle("/download/{serverName}/{mediaId}/{downloadName}", downloadHandlerAuthed).Methods(http.MethodGet, http.MethodOptions)
+
+	v1mux.Handle("/thumbnail/{serverName}/{mediaId}",
+		httputil.MakeHTMLAPI("thumbnail", userAPI, cfg.Global.Metrics.Enabled, makeDownloadAPI("thumbnail_authed_client", &cfg.MediaAPI, rateLimits, db, client, federationClient, activeRemoteRequests, activeThumbnailGeneration, false), httputil.WithAuth()),
+	).Methods(http.MethodGet, http.MethodOptions)
+
+	// same, but for federation
+	v1fedMux.Handle("/download/{mediaId}", routing.MakeFedAPIHTML(cfg.Global.ServerName, cfg.Global.IsLocalServerName, keyRing,
+		makeDownloadAPI("download_authed_federation", &cfg.MediaAPI, rateLimits, db, client, federationClient, activeRemoteRequests, activeThumbnailGeneration, true),
+	)).Methods(http.MethodGet, http.MethodOptions)
+	v1fedMux.Handle("/thumbnail/{mediaId}", routing.MakeFedAPIHTML(cfg.Global.ServerName, cfg.Global.IsLocalServerName, keyRing,
+		makeDownloadAPI("thumbnail_authed_federation", &cfg.MediaAPI, rateLimits, db, client, federationClient, activeRemoteRequests, activeThumbnailGeneration, true),
+	)).Methods(http.MethodGet, http.MethodOptions)
 }
 
+var thumbnailCounter = promauto.NewCounterVec(
+	prometheus.CounterOpts{
+		Namespace: "dendrite",
+		Subsystem: "mediaapi",
+		Name:      "thumbnail",
+		Help:      "Total number of media_api requests for thumbnails",
+	},
+	[]string{"code", "type"},
+)
+
+var thumbnailSize = promauto.NewHistogramVec(
+	prometheus.HistogramOpts{
+		Namespace: "dendrite",
+		Subsystem: "mediaapi",
+		Name:      "thumbnail_size_bytes",
+		Help:      "Total number of media_api requests for thumbnails",
+		Buckets:   []float64{50, 100, 200, 500, 900, 1500, 3000, 6000},
+	},
+	[]string{"code", "type"},
+)
+
+var downloadCounter = promauto.NewCounterVec(
+	prometheus.CounterOpts{
+		Namespace: "dendrite",
+		Subsystem: "mediaapi",
+		Name:      "download",
+		Help:      "Total number of media_api requests for full downloads",
+	},
+	[]string{"code", "type"},
+)
+
+var downloadSize = promauto.NewHistogramVec(
+	prometheus.HistogramOpts{
+		Namespace: "dendrite",
+		Subsystem: "mediaapi",
+		Name:      "download_size_bytes",
+		Help:      "Total number of media_api requests for full downloads",
+		Buckets:   []float64{200, 500, 900, 1500, 3000, 6000, 10_000, 50_000, 100_000},
+	},
+	[]string{"code", "type"},
+)
+
 func makeDownloadAPI(
 	name string,
 	cfg *config.MediaAPI,
 	rateLimits *httputil.RateLimits,
 	db storage.Database,
 	client *fclient.Client,
+	fedClient fclient.FederationClient,
 	activeRemoteRequests *types.ActiveRemoteRequests,
 	activeThumbnailGeneration *types.ActiveThumbnailGeneration,
+	forFederation bool,
 ) http.HandlerFunc {
 	var counterVec *prometheus.CounterVec
+	var sizeVec *prometheus.HistogramVec
+	var requestType string
 	if cfg.Matrix.Metrics.Enabled {
-		counterVec = promauto.NewCounterVec(
-			prometheus.CounterOpts{
-				Name: name,
-				Help: "Total number of media_api requests for either thumbnails or full downloads",
-			},
-			[]string{"code"},
-		)
+		split := strings.Split(name, "_")
+		name = split[0]
+		requestType = strings.Join(split[1:], "_")
+
+		counterVec = thumbnailCounter
+		sizeVec = thumbnailSize
+		if name != "thumbnail" {
+			counterVec = downloadCounter
+			sizeVec = downloadSize
+		}
 	}
 	httpHandler := func(w http.ResponseWriter, req *http.Request) {
 		req = util.RequestWithLogging(req)
@@ -164,16 +237,21 @@ func makeDownloadAPI(
 			cfg,
 			db,
 			client,
+			fedClient,
 			activeRemoteRequests,
 			activeThumbnailGeneration,
-			name == "thumbnail",
+			strings.HasPrefix(name, "thumbnail"),
 			vars["downloadName"],
+			forFederation,
 		)
 	}
 
 	var handlerFunc http.HandlerFunc
 	if counterVec != nil {
+		counterVec = counterVec.MustCurryWith(prometheus.Labels{"type": requestType})
+		sizeVec2 := sizeVec.MustCurryWith(prometheus.Labels{"type": requestType})
 		handlerFunc = promhttp.InstrumentHandlerCounter(counterVec, http.HandlerFunc(httpHandler))
+		handlerFunc = promhttp.InstrumentHandlerResponseSize(sizeVec2, handlerFunc).ServeHTTP
 	} else {
 		handlerFunc = http.HandlerFunc(httpHandler)
 	}

setup/config/config_clientapi.go

@@ -56,26 +56,9 @@ type ClientAPI struct {
 	RateLimiting RateLimiting `yaml:"rate_limiting"`
 
 	MSCs *MSCs `yaml:"-"`
-
-	Ldap Ldap `yaml:"ldap"`
 }
 
-type Ldap struct {
-	Enabled             bool   `yaml:"enabled"`
-	Uri                 string `yaml:"uri"`
-	BaseDn              string `yaml:"base_dn"`
-	SearchFilter        string `yaml:"search_filter"`
-	SearchAttribute     string `yaml:"search_attribute"`
-	AdminBindEnabled    bool   `yaml:"admin_bind_enabled"`
-	AdminBindDn         string `yaml:"admin_bind_dn"`
-	AdminBindPassword   string `yaml:"admin_bind_password"`
-	UserBindDn          string `yaml:"user_bind_dn"`
-	AdminGroupDn        string `yaml:"admin_group_dn"`
-	AdminGroupFilter    string `yaml:"admin_group_filter"`
-	AdminGroupAttribute string `yaml:"admin_group_attribute"`
-}
-
-func (c *ClientAPI) Defaults(_ DefaultOpts) {
+func (c *ClientAPI) Defaults(opts DefaultOpts) {
 	c.RegistrationSharedSecret = ""
 	c.RegistrationRequiresToken = false
 	c.RecaptchaPublicKey = ""

setup/monolith.go

@@ -78,7 +78,7 @@ func (m *Monolith) AddAllPublicRoutes(
 	federationapi.AddPublicRoutes(
 		processCtx, routers, cfg, natsInstance, m.UserAPI, m.FedClient, m.KeyRing, m.RoomserverAPI, m.FederationAPI, enableMetrics,
 	)
-	mediaapi.AddPublicRoutes(routers.Media, cm, cfg, m.UserAPI, m.Client)
+	mediaapi.AddPublicRoutes(routers, cm, cfg, m.UserAPI, m.Client, m.FedClient, m.KeyRing)
 	syncapi.AddPublicRoutes(processCtx, routers, cfg, cm, natsInstance, m.UserAPI, m.RoomserverAPI, caches, enableMetrics)
 
 	if m.RelayAPI != nil {

userapi/api/api.go

@@ -144,8 +144,6 @@ type QueryAcccessTokenAPI interface {
 
 type UserLoginAPI interface {
 	QueryAccountByPassword(ctx context.Context, req *QueryAccountByPasswordRequest, res *QueryAccountByPasswordResponse) error
-	QueryAccountByLocalpart(ctx context.Context, req *QueryAccountByLocalpartRequest, res *QueryAccountByLocalpartResponse) error
-	PerformAccountCreation(ctx context.Context, req *PerformAccountCreationRequest, res *PerformAccountCreationResponse) error
 }
 
 type PerformKeyBackupRequest struct {