mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-11 16:20:16 +01:00
9cd27b412d
* on account update, ensure that public key has not changed * change expected error message * also support the case of changing account keys when expired (not waiting for handshake) * tweak account update hardening logic, add tests for updating account with pubkey expired * add check for whether incoming data was via federator, accepting keys if so * use freshest window for federated account updates + comment about it
404 lines
13 KiB
Go
404 lines
13 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package dereferencing_test
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import (
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"context"
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"net/url"
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"testing"
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"time"
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"github.com/stretchr/testify/suite"
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"github.com/superseriousbusiness/activity/streams"
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"github.com/superseriousbusiness/activity/streams/vocab"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/testrig"
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)
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type AccountTestSuite struct {
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DereferencerStandardTestSuite
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}
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func (suite *AccountTestSuite) TestDereferenceGroup() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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groupURL := testrig.URLMustParse("https://unknown-instance.com/groups/some_group")
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group, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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groupURL,
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)
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suite.NoError(err)
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suite.NotNil(group)
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// group values should be set
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suite.Equal("https://unknown-instance.com/groups/some_group", group.URI)
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suite.Equal("https://unknown-instance.com/@some_group", group.URL)
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suite.WithinDuration(time.Now(), group.FetchedAt, 5*time.Second)
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// group should be in the database
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dbGroup, err := suite.db.GetAccountByURI(context.Background(), group.URI)
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suite.NoError(err)
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suite.Equal(group.ID, dbGroup.ID)
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suite.Equal(ap.ActorGroup, dbGroup.ActorType)
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}
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func (suite *AccountTestSuite) TestDereferenceService() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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serviceURL := testrig.URLMustParse("https://owncast.example.org/federation/user/rgh")
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service, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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serviceURL,
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)
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suite.NoError(err)
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suite.NotNil(service)
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// service values should be set
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suite.Equal("https://owncast.example.org/federation/user/rgh", service.URI)
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suite.Equal("https://owncast.example.org/federation/user/rgh", service.URL)
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suite.WithinDuration(time.Now(), service.FetchedAt, 5*time.Second)
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// service should be in the database
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dbService, err := suite.db.GetAccountByURI(context.Background(), service.URI)
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suite.NoError(err)
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suite.Equal(service.ID, dbService.ID)
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suite.Equal(ap.ActorService, dbService.ActorType)
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suite.Equal("example.org", dbService.Domain)
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}
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/*
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We shouldn't try webfingering or making http calls to dereference local accounts
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that might be passed into GetRemoteAccount for whatever reason, so these tests are
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here to make sure that such cases are (basically) short-circuit evaluated and given
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back as-is without trying to make any calls to one's own instance.
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*/
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func (suite *AccountTestSuite) TestDereferenceLocalAccountAsRemoteURL() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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targetAccount := suite.testAccounts["local_account_2"]
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fetchedAccount, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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testrig.URLMustParse(targetAccount.URI),
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)
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suite.NoError(err)
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suite.NotNil(fetchedAccount)
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suite.Empty(fetchedAccount.Domain)
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}
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func (suite *AccountTestSuite) TestDereferenceLocalAccountAsRemoteURLNoSharedInboxYet() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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targetAccount := suite.testAccounts["local_account_2"]
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targetAccount.SharedInboxURI = nil
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if err := suite.db.UpdateAccount(context.Background(), targetAccount); err != nil {
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suite.FailNow(err.Error())
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}
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fetchedAccount, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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testrig.URLMustParse(targetAccount.URI),
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)
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suite.NoError(err)
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suite.NotNil(fetchedAccount)
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suite.Empty(fetchedAccount.Domain)
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}
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func (suite *AccountTestSuite) TestDereferenceLocalAccountAsUsername() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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targetAccount := suite.testAccounts["local_account_2"]
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fetchedAccount, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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testrig.URLMustParse(targetAccount.URI),
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)
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suite.NoError(err)
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suite.NotNil(fetchedAccount)
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suite.Empty(fetchedAccount.Domain)
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}
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func (suite *AccountTestSuite) TestDereferenceLocalAccountAsUsernameDomain() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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targetAccount := suite.testAccounts["local_account_2"]
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fetchedAccount, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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testrig.URLMustParse(targetAccount.URI),
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)
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suite.NoError(err)
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suite.NotNil(fetchedAccount)
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suite.Empty(fetchedAccount.Domain)
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}
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func (suite *AccountTestSuite) TestDereferenceLocalAccountAsUsernameDomainAndURL() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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targetAccount := suite.testAccounts["local_account_2"]
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fetchedAccount, _, err := suite.dereferencer.GetAccountByUsernameDomain(
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context.Background(),
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fetchingAccount.Username,
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targetAccount.Username,
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config.GetHost(),
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)
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suite.NoError(err)
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suite.NotNil(fetchedAccount)
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suite.Empty(fetchedAccount.Domain)
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}
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func (suite *AccountTestSuite) TestDereferenceLocalAccountWithUnknownUsername() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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fetchedAccount, _, err := suite.dereferencer.GetAccountByUsernameDomain(
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context.Background(),
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fetchingAccount.Username,
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"thisaccountdoesnotexist",
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config.GetHost(),
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)
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suite.True(gtserror.IsUnretrievable(err))
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suite.EqualError(err, db.ErrNoEntries.Error())
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suite.Nil(fetchedAccount)
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}
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func (suite *AccountTestSuite) TestDereferenceLocalAccountWithUnknownUsernameDomain() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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fetchedAccount, _, err := suite.dereferencer.GetAccountByUsernameDomain(
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context.Background(),
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fetchingAccount.Username,
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"thisaccountdoesnotexist",
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"localhost:8080",
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)
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suite.True(gtserror.IsUnretrievable(err))
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suite.EqualError(err, db.ErrNoEntries.Error())
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suite.Nil(fetchedAccount)
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}
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func (suite *AccountTestSuite) TestDereferenceLocalAccountWithUnknownUserURI() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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fetchedAccount, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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testrig.URLMustParse("http://localhost:8080/users/thisaccountdoesnotexist"),
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)
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suite.True(gtserror.IsUnretrievable(err))
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suite.EqualError(err, db.ErrNoEntries.Error())
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suite.Nil(fetchedAccount)
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}
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func (suite *AccountTestSuite) TestDereferenceRemoteAccountWithNonMatchingURI() {
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fetchingAccount := suite.testAccounts["local_account_1"]
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const (
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remoteURI = "https://turnip.farm/users/turniplover6969"
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remoteAltURI = "https://turnip.farm/users/turniphater420"
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)
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// Create a copy of this remote account at alternative URI.
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remotePerson := suite.client.TestRemotePeople[remoteURI]
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suite.client.TestRemotePeople[remoteAltURI] = remotePerson
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// Attempt to fetch account at alternative URI, it should fail!
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fetchedAccount, _, err := suite.dereferencer.GetAccountByURI(
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context.Background(),
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fetchingAccount.Username,
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testrig.URLMustParse(remoteAltURI),
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)
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suite.Equal(err.Error(), fmt.Sprintf("enrichAccount: account uri %s does not match %s", remoteURI, remoteAltURI))
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suite.Nil(fetchedAccount)
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}
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func (suite *AccountTestSuite) TestDereferenceRemoteAccountWithUnexpectedKeyChange() {
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ctx, cncl := context.WithCancel(context.Background())
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defer cncl()
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fetchingAcc := suite.testAccounts["local_account_1"]
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remoteURI := "https://turnip.farm/users/turniplover6969"
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// Fetch the remote account to load into the database.
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remoteAcc, _, err := suite.dereferencer.GetAccountByURI(ctx,
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fetchingAcc.Username,
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testrig.URLMustParse(remoteURI),
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)
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suite.NoError(err)
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suite.NotNil(remoteAcc)
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// Mark account as requiring a refetch.
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remoteAcc.FetchedAt = time.Time{}
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err = suite.state.DB.UpdateAccount(ctx, remoteAcc, "fetched_at")
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suite.NoError(err)
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// Update remote to have an unexpected different key.
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remotePerson := suite.client.TestRemotePeople[remoteURI]
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setPublicKey(remotePerson,
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remoteURI,
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fetchingAcc.PublicKeyURI+".unique",
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fetchingAcc.PublicKey,
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)
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// Force refresh account expecting key change error.
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_, _, err = suite.dereferencer.RefreshAccount(ctx,
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fetchingAcc.Username,
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remoteAcc,
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nil,
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nil,
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)
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suite.Equal(err.Error(), fmt.Sprintf("RefreshAccount: enrichAccount: account %s pubkey has changed (key rotation required?)", remoteURI))
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}
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func (suite *AccountTestSuite) TestDereferenceRemoteAccountWithExpectedKeyChange() {
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ctx, cncl := context.WithCancel(context.Background())
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defer cncl()
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fetchingAcc := suite.testAccounts["local_account_1"]
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remoteURI := "https://turnip.farm/users/turniplover6969"
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// Fetch the remote account to load into the database.
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remoteAcc, _, err := suite.dereferencer.GetAccountByURI(ctx,
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fetchingAcc.Username,
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testrig.URLMustParse(remoteURI),
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)
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suite.NoError(err)
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suite.NotNil(remoteAcc)
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// Expire the remote account's public key.
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remoteAcc.PublicKeyExpiresAt = time.Now()
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remoteAcc.FetchedAt = time.Time{} // force fetch
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err = suite.state.DB.UpdateAccount(ctx, remoteAcc, "fetched_at", "public_key_expires_at")
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suite.NoError(err)
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// Update remote to have a different stored public key.
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remotePerson := suite.client.TestRemotePeople[remoteURI]
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setPublicKey(remotePerson,
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remoteURI,
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fetchingAcc.PublicKeyURI+".unique",
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fetchingAcc.PublicKey,
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)
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// Refresh account expecting a succesful refresh with changed keys!
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updatedAcc, apAcc, err := suite.dereferencer.RefreshAccount(ctx,
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fetchingAcc.Username,
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remoteAcc,
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nil,
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nil,
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)
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suite.NoError(err)
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suite.NotNil(apAcc)
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suite.True(updatedAcc.PublicKey.Equal(fetchingAcc.PublicKey))
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}
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func (suite *AccountTestSuite) TestRefreshFederatedRemoteAccountWithKeyChange() {
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ctx, cncl := context.WithCancel(context.Background())
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defer cncl()
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fetchingAcc := suite.testAccounts["local_account_1"]
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remoteURI := "https://turnip.farm/users/turniplover6969"
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// Fetch the remote account to load into the database.
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remoteAcc, _, err := suite.dereferencer.GetAccountByURI(ctx,
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fetchingAcc.Username,
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testrig.URLMustParse(remoteURI),
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)
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suite.NoError(err)
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suite.NotNil(remoteAcc)
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// Update remote to have a different stored public key.
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remotePerson := suite.client.TestRemotePeople[remoteURI]
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setPublicKey(remotePerson,
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remoteURI,
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fetchingAcc.PublicKeyURI+".unique",
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fetchingAcc.PublicKey,
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)
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// Refresh account expecting a succesful refresh with changed keys!
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// By passing in the remote person model this indicates that the data
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// was received via the federator, which should trust any key change.
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updatedAcc, apAcc, err := suite.dereferencer.RefreshAccount(ctx,
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fetchingAcc.Username,
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remoteAcc,
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remotePerson,
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nil,
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)
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suite.NoError(err)
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suite.NotNil(apAcc)
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suite.True(updatedAcc.PublicKey.Equal(fetchingAcc.PublicKey))
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}
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func TestAccountTestSuite(t *testing.T) {
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suite.Run(t, new(AccountTestSuite))
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}
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func setPublicKey(person vocab.ActivityStreamsPerson, ownerURI, keyURI string, key *rsa.PublicKey) {
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profileIDURI, err := url.Parse(ownerURI)
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if err != nil {
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panic(err)
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}
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publicKeyURI, err := url.Parse(keyURI)
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if err != nil {
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panic(err)
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}
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publicKeyProp := streams.NewW3IDSecurityV1PublicKeyProperty()
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// create the public key
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publicKey := streams.NewW3IDSecurityV1PublicKey()
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// set ID for the public key
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publicKeyIDProp := streams.NewJSONLDIdProperty()
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publicKeyIDProp.SetIRI(publicKeyURI)
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publicKey.SetJSONLDId(publicKeyIDProp)
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// set owner for the public key
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publicKeyOwnerProp := streams.NewW3IDSecurityV1OwnerProperty()
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publicKeyOwnerProp.SetIRI(profileIDURI)
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publicKey.SetW3IDSecurityV1Owner(publicKeyOwnerProp)
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// set the pem key itself
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encodedPublicKey, err := x509.MarshalPKIXPublicKey(key)
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if err != nil {
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panic(err)
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}
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publicKeyBytes := pem.EncodeToMemory(&pem.Block{
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Type: "PUBLIC KEY",
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Bytes: encodedPublicKey,
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})
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publicKeyPEMProp := streams.NewW3IDSecurityV1PublicKeyPemProperty()
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publicKeyPEMProp.Set(string(publicKeyBytes))
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publicKey.SetW3IDSecurityV1PublicKeyPem(publicKeyPEMProp)
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// append the public key to the public key property
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publicKeyProp.AppendW3IDSecurityV1PublicKey(publicKey)
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// set the public key property on the Person
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person.SetW3IDSecurityV1PublicKey(publicKeyProp)
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}
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