gotosocial/internal/federation/federatingprotocol_test.go
tobi b614d33c40
[feature] Try HTTP signature validation with and without query params for incoming requests (#2591)
* [feature] Verify signatures both with + without query params

* Bump to tagged version
2024-01-31 14:15:28 +00:00

470 lines
14 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package federation_test
import (
"bytes"
"context"
"encoding/json"
"io"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/testrig"
"github.com/superseriousbusiness/httpsig"
)
type FederatingProtocolTestSuite struct {
FederatorStandardTestSuite
}
func (suite *FederatingProtocolTestSuite) postInboxRequestBodyHook(
ctx context.Context,
receivingAccount *gtsmodel.Account,
activity testrig.ActivityWithSignature,
) context.Context {
raw, err := ap.Serialize(activity.Activity)
if err != nil {
suite.FailNow(err.Error())
}
b, err := json.Marshal(raw)
if err != nil {
suite.FailNow(err.Error())
}
suite.NoError(err)
request := httptest.NewRequest(http.MethodPost, receivingAccount.InboxURI, bytes.NewBuffer(b))
request.Header.Set("Signature", activity.SignatureHeader)
request.Header.Set("Date", activity.DateHeader)
request.Header.Set("Digest", activity.DigestHeader)
newContext, err := suite.federator.PostInboxRequestBodyHook(ctx, request, activity.Activity)
if err != nil {
suite.FailNow(err.Error())
}
return newContext
}
func (suite *FederatingProtocolTestSuite) authenticatePostInbox(
ctx context.Context,
receivingAccount *gtsmodel.Account,
activity testrig.ActivityWithSignature,
) (context.Context, bool, []byte, int) {
raw, err := ap.Serialize(activity.Activity)
if err != nil {
suite.FailNow(err.Error())
}
b, err := json.Marshal(raw)
if err != nil {
suite.FailNow(err.Error())
}
request := httptest.NewRequest(http.MethodPost, receivingAccount.InboxURI, bytes.NewBuffer(b))
request.Header.Set("Signature", activity.SignatureHeader)
request.Header.Set("Date", activity.DateHeader)
request.Header.Set("Digest", activity.DigestHeader)
verifier, err := httpsig.NewVerifier(request)
if err != nil {
suite.FailNow(err.Error())
}
ctx = gtscontext.SetReceivingAccount(ctx, receivingAccount)
ctx = gtscontext.SetHTTPSignatureVerifier(ctx, verifier)
ctx = gtscontext.SetHTTPSignature(ctx, activity.SignatureHeader)
ctx = gtscontext.SetHTTPSignaturePubKeyID(ctx, testrig.URLMustParse(verifier.KeyId()))
recorder := httptest.NewRecorder()
newContext, authed, err := suite.federator.AuthenticatePostInbox(ctx, recorder, request)
if err != nil {
suite.FailNow(err.Error())
}
res := recorder.Result()
defer res.Body.Close()
b, err = io.ReadAll(res.Body)
if err != nil {
suite.FailNow(err.Error())
}
return newContext, authed, b, res.StatusCode
}
func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHookDM() {
var (
receivingAccount = suite.testAccounts["local_account_1"]
activity = suite.testActivities["dm_for_zork"]
)
ctx := suite.postInboxRequestBodyHook(
context.Background(),
receivingAccount,
activity,
)
otherIRIs := gtscontext.OtherIRIs(ctx)
otherIRIStrs := make([]string, 0, len(otherIRIs))
for _, i := range otherIRIs {
otherIRIStrs = append(otherIRIStrs, i.String())
}
suite.Equal([]string{
"http://fossbros-anonymous.io/users/foss_satan/statuses/5424b153-4553-4f30-9358-7b92f7cd42f6/activity",
"http://localhost:8080/users/the_mighty_zork",
"http://fossbros-anonymous.io/users/foss_satan/statuses/5424b153-4553-4f30-9358-7b92f7cd42f6",
}, otherIRIStrs)
}
func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHookReply() {
var (
receivingAccount = suite.testAccounts["local_account_1"]
activity = suite.testActivities["reply_to_turtle_for_zork"]
)
ctx := suite.postInboxRequestBodyHook(
context.Background(),
receivingAccount,
activity,
)
otherIRIs := gtscontext.OtherIRIs(ctx)
otherIRIStrs := make([]string, 0, len(otherIRIs))
for _, i := range otherIRIs {
otherIRIStrs = append(otherIRIStrs, i.String())
}
suite.Equal([]string{
"http://fossbros-anonymous.io/users/foss_satan/statuses/2f1195a6-5cb0-4475-adf5-92ab9a0147fe",
"http://fossbros-anonymous.io/users/foss_satan/followers",
"http://localhost:8080/users/1happyturtle",
}, otherIRIStrs)
}
func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHookReplyToReply() {
var (
receivingAccount = suite.testAccounts["local_account_2"]
activity = suite.testActivities["reply_to_turtle_for_turtle"]
)
ctx := suite.postInboxRequestBodyHook(
context.Background(),
receivingAccount,
activity,
)
otherIRIs := gtscontext.OtherIRIs(ctx)
otherIRIStrs := make([]string, 0, len(otherIRIs))
for _, i := range otherIRIs {
otherIRIStrs = append(otherIRIStrs, i.String())
}
suite.Equal([]string{
"http://fossbros-anonymous.io/users/foss_satan/statuses/2f1195a6-5cb0-4475-adf5-92ab9a0147fe",
"http://fossbros-anonymous.io/users/foss_satan/followers",
"http://localhost:8080/users/1happyturtle",
}, otherIRIStrs)
}
func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHookAnnounceForwardedToTurtle() {
var (
receivingAccount = suite.testAccounts["local_account_2"]
activity = suite.testActivities["announce_forwarded_1_turtle"]
)
ctx := suite.postInboxRequestBodyHook(
context.Background(),
receivingAccount,
activity,
)
otherIRIs := gtscontext.OtherIRIs(ctx)
otherIRIStrs := make([]string, 0, len(otherIRIs))
for _, i := range otherIRIs {
otherIRIStrs = append(otherIRIStrs, i.String())
}
suite.Equal([]string{
"http://fossbros-anonymous.io/users/foss_satan/first_announce",
"http://example.org/users/Some_User",
"http://example.org/users/Some_User/statuses/afaba698-5740-4e32-a702-af61aa543bc1",
}, otherIRIStrs)
}
func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHookAnnounceForwardedToZork() {
var (
receivingAccount = suite.testAccounts["local_account_1"]
activity = suite.testActivities["announce_forwarded_2_zork"]
)
ctx := suite.postInboxRequestBodyHook(
context.Background(),
receivingAccount,
activity,
)
otherIRIs := gtscontext.OtherIRIs(ctx)
otherIRIStrs := make([]string, 0, len(otherIRIs))
for _, i := range otherIRIs {
otherIRIStrs = append(otherIRIStrs, i.String())
}
suite.Equal([]string{
"http://fossbros-anonymous.io/users/foss_satan/second_announce",
"http://example.org/users/Some_User",
"http://example.org/users/Some_User/statuses/afaba698-5740-4e32-a702-af61aa543bc1",
}, otherIRIStrs)
}
func (suite *FederatingProtocolTestSuite) TestAuthenticatePostInbox() {
var (
activity = suite.testActivities["dm_for_zork"]
receivingAccount = suite.testAccounts["local_account_1"]
)
ctx, authed, resp, code := suite.authenticatePostInbox(
context.Background(),
receivingAccount,
activity,
)
suite.NotNil(gtscontext.RequestingAccount(ctx))
suite.True(authed)
suite.Equal([]byte{}, resp)
suite.Equal(http.StatusOK, code)
}
func (suite *FederatingProtocolTestSuite) TestAuthenticatePostInboxKeyExpired() {
var (
ctx = context.Background()
activity = suite.testActivities["dm_for_zork"]
receivingAccount = suite.testAccounts["local_account_1"]
)
// Update remote account to mark key as expired.
remoteAcct := &gtsmodel.Account{}
*remoteAcct = *suite.testAccounts["remote_account_1"]
remoteAcct.PublicKeyExpiresAt = testrig.TimeMustParse("2022-06-10T15:22:08Z")
if err := suite.state.DB.UpdateAccount(ctx, remoteAcct, "public_key_expires_at"); err != nil {
suite.FailNow(err.Error())
}
ctx, authed, resp, code := suite.authenticatePostInbox(
ctx,
receivingAccount,
activity,
)
suite.NotNil(gtscontext.RequestingAccount(ctx))
suite.True(authed)
suite.Equal([]byte{}, resp)
suite.Equal(http.StatusOK, code)
}
func (suite *FederatingProtocolTestSuite) TestAuthenticatePostGoneWithTombstone() {
var (
activity = suite.testActivities["delete_https://somewhere.mysterious/users/rest_in_piss#main-key"]
receivingAccount = suite.testAccounts["local_account_1"]
)
ctx, authed, resp, code := suite.authenticatePostInbox(
context.Background(),
receivingAccount,
activity,
)
// Tombstone exists for this account, should simply return accepted.
suite.Nil(gtscontext.RequestingAccount(ctx))
suite.False(authed)
suite.Equal([]byte{}, resp)
suite.Equal(http.StatusAccepted, code)
}
func (suite *FederatingProtocolTestSuite) TestAuthenticatePostGoneNoTombstone() {
var (
activity = suite.testActivities["delete_https://somewhere.mysterious/users/rest_in_piss#main-key"]
receivingAccount = suite.testAccounts["local_account_1"]
testTombstone = suite.testTombstones["https://somewhere.mysterious/users/rest_in_piss#main-key"]
)
// Delete the tombstone; it'll have to be created again.
if err := suite.state.DB.DeleteTombstone(context.Background(), testTombstone.ID); err != nil {
suite.FailNow(err.Error())
}
ctx, authed, resp, code := suite.authenticatePostInbox(
context.Background(),
receivingAccount,
activity,
)
suite.Nil(gtscontext.RequestingAccount(ctx))
suite.False(authed)
suite.Equal([]byte{}, resp)
suite.Equal(http.StatusAccepted, code)
// Tombstone should be back, baby!
exists, err := suite.state.DB.TombstoneExistsWithURI(
context.Background(),
"https://somewhere.mysterious/users/rest_in_piss#main-key",
)
suite.NoError(err)
suite.True(exists)
}
func (suite *FederatingProtocolTestSuite) blocked(
ctx context.Context,
receivingAccount *gtsmodel.Account,
requestingAccount *gtsmodel.Account,
otherIRIs []*url.URL,
actorIRIs []*url.URL,
) (bool, error) {
ctx = gtscontext.SetReceivingAccount(ctx, receivingAccount)
ctx = gtscontext.SetRequestingAccount(ctx, requestingAccount)
ctx = gtscontext.SetOtherIRIs(ctx, otherIRIs)
return suite.federator.Blocked(ctx, actorIRIs)
}
func (suite *FederatingProtocolTestSuite) TestBlockedNoProblem() {
var (
receivingAccount = suite.testAccounts["local_account_1"]
requestingAccount = suite.testAccounts["remote_account_1"]
otherIRIs = []*url.URL{}
actorIRIs = []*url.URL{
testrig.URLMustParse(requestingAccount.URI),
}
)
blocked, err := suite.blocked(
context.Background(),
receivingAccount,
requestingAccount,
otherIRIs,
actorIRIs,
)
suite.NoError(err)
suite.False(blocked)
}
func (suite *FederatingProtocolTestSuite) TestBlockedReceiverBlocksRequester() {
var (
receivingAccount = suite.testAccounts["local_account_1"]
requestingAccount = suite.testAccounts["remote_account_1"]
otherIRIs = []*url.URL{}
actorIRIs = []*url.URL{
testrig.URLMustParse(requestingAccount.URI),
}
)
// Insert a block from receivingAccount targeting requestingAccount.
if err := suite.state.DB.PutBlock(context.Background(), &gtsmodel.Block{
ID: "01G3KBEMJD4VQ2D615MPV7KTRD",
URI: "whatever",
AccountID: receivingAccount.ID,
TargetAccountID: requestingAccount.ID,
}); err != nil {
suite.Fail(err.Error())
}
blocked, err := suite.blocked(
context.Background(),
receivingAccount,
requestingAccount,
otherIRIs,
actorIRIs,
)
suite.NoError(err)
suite.True(blocked)
}
func (suite *FederatingProtocolTestSuite) TestBlockedCCd() {
var (
receivingAccount = suite.testAccounts["local_account_1"]
requestingAccount = suite.testAccounts["remote_account_1"]
ccedAccount = suite.testAccounts["remote_account_2"]
otherIRIs = []*url.URL{
testrig.URLMustParse(ccedAccount.URI),
}
actorIRIs = []*url.URL{
testrig.URLMustParse(requestingAccount.URI),
}
)
// Insert a block from receivingAccount targeting ccedAccount.
if err := suite.state.DB.PutBlock(context.Background(), &gtsmodel.Block{
ID: "01G3KBEMJD4VQ2D615MPV7KTRD",
URI: "whatever",
AccountID: receivingAccount.ID,
TargetAccountID: ccedAccount.ID,
}); err != nil {
suite.Fail(err.Error())
}
blocked, err := suite.blocked(
context.Background(),
receivingAccount,
requestingAccount,
otherIRIs,
actorIRIs,
)
suite.EqualError(err, "block exists between http://localhost:8080/users/the_mighty_zork and one or more of [http://example.org/users/Some_User]")
suite.False(blocked)
}
func (suite *FederatingProtocolTestSuite) TestBlockedRepliedStatus() {
var (
receivingAccount = suite.testAccounts["local_account_1"]
requestingAccount = suite.testAccounts["remote_account_1"]
repliedStatus = suite.testStatuses["local_account_2_status_1"]
otherIRIs = []*url.URL{
// This status is involved because the
// hypothetical activity replies to it.
testrig.URLMustParse(repliedStatus.URI),
}
actorIRIs = []*url.URL{
testrig.URLMustParse(requestingAccount.URI),
}
)
blocked, err := suite.blocked(
context.Background(),
receivingAccount,
requestingAccount,
otherIRIs,
actorIRIs,
)
suite.EqualError(err, "block exists between http://fossbros-anonymous.io/users/foss_satan and one or more of [http://localhost:8080/users/1happyturtle/statuses/01F8MHBQCBTDKN6X5VHGMMN4MA]")
suite.False(blocked)
}
func TestFederatingProtocolTestSuite(t *testing.T) {
suite.Run(t, new(FederatingProtocolTestSuite))
}