Ap (#14)

Big restructuring and initial work on activitypub

1 files changed, 190 insertions, 0 deletions

diff --git a/internal/federation/federator_test.go b/internal/federation/federator_test.go
new file mode 100644
index 000000000..2eab09507
--- /dev/null
+++ b/internal/federation/federator_test.go
@@ -0,0 +1,190 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   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"
+	"crypto/x509"
+	"encoding/pem"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/go-fed/activity/pub"
+	"github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/suite"
+
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/federation"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/storage"
+	"github.com/superseriousbusiness/gotosocial/internal/typeutils"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+	"github.com/superseriousbusiness/gotosocial/testrig"
+)
+
+type ProtocolTestSuite struct {
+	suite.Suite
+	config        *config.Config
+	db            db.DB
+	log           *logrus.Logger
+	storage       storage.Storage
+	typeConverter typeutils.TypeConverter
+	accounts      map[string]*gtsmodel.Account
+	activities    map[string]testrig.ActivityWithSignature
+}
+
+// SetupSuite sets some variables on the suite that we can use as consts (more or less) throughout
+func (suite *ProtocolTestSuite) SetupSuite() {
+	// setup standard items
+	suite.config = testrig.NewTestConfig()
+	suite.db = testrig.NewTestDB()
+	suite.log = testrig.NewTestLog()
+	suite.storage = testrig.NewTestStorage()
+	suite.typeConverter = testrig.NewTestTypeConverter(suite.db)
+	suite.accounts = testrig.NewTestAccounts()
+	suite.activities = testrig.NewTestActivities(suite.accounts)
+}
+
+func (suite *ProtocolTestSuite) SetupTest() {
+	testrig.StandardDBSetup(suite.db)
+
+}
+
+// TearDownTest drops tables to make sure there's no data in the db
+func (suite *ProtocolTestSuite) TearDownTest() {
+	testrig.StandardDBTeardown(suite.db)
+}
+
+// make sure PostInboxRequestBodyHook properly sets the inbox username and activity on the context
+func (suite *ProtocolTestSuite) TestPostInboxRequestBodyHook() {
+
+	// the activity we're gonna use
+	activity := suite.activities["dm_for_zork"]
+
+	// setup transport controller with a no-op client so we don't make external calls
+	tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) {
+		return nil, nil
+	}))
+	// setup module being tested
+	federator := federation.NewFederator(suite.db, tc, suite.config, suite.log, suite.typeConverter)
+
+	// setup request
+	ctx := context.Background()
+	request := httptest.NewRequest(http.MethodPost, "http://localhost:8080/users/the_mighty_zork/inbox", nil) // the endpoint we're hitting
+	request.Header.Set("Signature", activity.SignatureHeader)
+
+	// trigger the function being tested, and return the new context it creates
+	newContext, err := federator.PostInboxRequestBodyHook(ctx, request, activity.Activity)
+	assert.NoError(suite.T(), err)
+	assert.NotNil(suite.T(), newContext)
+
+	// activity should be set on context now
+	activityI := newContext.Value(util.APActivity)
+	assert.NotNil(suite.T(), activityI)
+	returnedActivity, ok := activityI.(pub.Activity)
+	assert.True(suite.T(), ok)
+	assert.NotNil(suite.T(), returnedActivity)
+	assert.EqualValues(suite.T(), activity.Activity, returnedActivity)
+}
+
+func (suite *ProtocolTestSuite) TestAuthenticatePostInbox() {
+
+	// the activity we're gonna use
+	activity := suite.activities["dm_for_zork"]
+	sendingAccount := suite.accounts["remote_account_1"]
+	inboxAccount := suite.accounts["local_account_1"]
+
+	encodedPublicKey, err := x509.MarshalPKIXPublicKey(sendingAccount.PublicKey)
+	assert.NoError(suite.T(), err)
+	publicKeyBytes := pem.EncodeToMemory(&pem.Block{
+		Type:  "PUBLIC KEY",
+		Bytes: encodedPublicKey,
+	})
+	publicKeyString := strings.ReplaceAll(string(publicKeyBytes), "\n", "\\n")
+
+	// for this test we need the client to return the public key of the activity creator on the 'remote' instance
+	responseBodyString := fmt.Sprintf(`
+	{
+		"@context": [
+			"https://www.w3.org/ns/activitystreams",
+			"https://w3id.org/security/v1"
+		],
+
+		"id": "%s",
+		"type": "Person",
+		"preferredUsername": "%s",
+		"inbox": "%s",
+
+		"publicKey": {
+			"id": "%s",
+			"owner": "%s",
+			"publicKeyPem": "%s"
+		}
+	}`, sendingAccount.URI, sendingAccount.Username, sendingAccount.InboxURI, sendingAccount.PublicKeyURI, sendingAccount.URI, publicKeyString)
+
+	// create a transport controller whose client will just return the response body string we specified above
+	tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) {
+		r := ioutil.NopCloser(bytes.NewReader([]byte(responseBodyString)))
+		return &http.Response{
+			StatusCode: 200,
+			Body:       r,
+		}, nil
+	}))
+
+	// now setup module being tested, with the mock transport controller
+	federator := federation.NewFederator(suite.db, tc, suite.config, suite.log, suite.typeConverter)
+
+	// setup request
+	ctx := context.Background()
+	// by the time AuthenticatePostInbox is called, PostInboxRequestBodyHook should have already been called,
+	// which should have set the account and username onto the request. We can replicate that behavior here:
+	ctxWithAccount := context.WithValue(ctx, util.APAccount, inboxAccount)
+	ctxWithActivity := context.WithValue(ctxWithAccount, util.APActivity, activity)
+
+	request := httptest.NewRequest(http.MethodPost, "http://localhost:8080/users/the_mighty_zork/inbox", nil) // the endpoint we're hitting
+	// we need these headers for the request to be validated
+	request.Header.Set("Signature", activity.SignatureHeader)
+	request.Header.Set("Date", activity.DateHeader)
+	request.Header.Set("Digest", activity.DigestHeader)
+	// we can pass this recorder as a writer and read it back after
+	recorder := httptest.NewRecorder()
+
+	// trigger the function being tested, and return the new context it creates
+	newContext, authed, err := federator.AuthenticatePostInbox(ctxWithActivity, recorder, request)
+	assert.NoError(suite.T(), err)
+	assert.True(suite.T(), authed)
+
+	// since we know this account already it should be set on the context
+	requestingAccountI := newContext.Value(util.APRequestingAccount)
+	assert.NotNil(suite.T(), requestingAccountI)
+	requestingAccount, ok := requestingAccountI.(*gtsmodel.Account)
+	assert.True(suite.T(), ok)
+	assert.Equal(suite.T(), sendingAccount.Username, requestingAccount.Username)
+}
+
+func TestProtocolTestSuite(t *testing.T) {
+	suite.Run(t, new(ProtocolTestSuite))
+}