Derive visibility fixes (#271)

* use pub public const

* don't error on no summary

* move extract visibility to separate function

* extract visibility test

* add addressable interface
This commit is contained in:
tobi 2021-10-06 18:18:02 +02:00 committed by GitHub
parent ff77bf1d11
commit 3dc7644ae6
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
10 changed files with 262 additions and 103 deletions

View file

@ -253,7 +253,7 @@ func ExtractSummary(i WithSummary) (string, error) {
}
}
return "", errors.New("could not extract summary")
return "", nil
}
// ExtractDiscoverable extracts the Discoverable boolean of an interface.
@ -610,3 +610,67 @@ func ExtractObject(i WithObject) (*url.URL, error) {
}
return nil, errors.New("no iri found for object prop")
}
// ExtractVisibility extracts the gtsmodel.Visibility of a given addressable with a To and CC property.
//
// ActorFollowersURI is needed to check whether the visibility is FollowersOnly or not. The passed-in value
// should just be the string value representation of the followers URI of the actor who created the activity,
// eg https://example.org/users/whoever/followers.
func ExtractVisibility(addressable Addressable, actorFollowersURI string) (gtsmodel.Visibility, error) {
to, err := ExtractTos(addressable)
if err != nil {
return "", fmt.Errorf("deriveVisibility: error extracting TO values: %s", err)
}
cc, err := ExtractCCs(addressable)
if err != nil {
return "", fmt.Errorf("deriveVisibility: error extracting CC values: %s", err)
}
if len(to) == 0 && len(cc) == 0 {
return "", errors.New("deriveVisibility: message wasn't TO or CC anyone")
}
// for visibility derivation, we start by assuming most restrictive, and work our way to least restrictive
visibility := gtsmodel.VisibilityDirect
// if it's got followers in TO and it's not also CC'ed to public, it's followers only
if isFollowers(to, actorFollowersURI) {
visibility = gtsmodel.VisibilityFollowersOnly
}
// if it's CC'ed to public, it's unlocked
// mentioned SPECIFIC ACCOUNTS also get added to CC'es if it's not a direct message
if isPublic(cc) {
visibility = gtsmodel.VisibilityUnlocked
}
// if it's To public, it's just straight up public
if isPublic(to) {
visibility = gtsmodel.VisibilityPublic
}
return visibility, nil
}
// isPublic checks if at least one entry in the given uris slice equals
// the activitystreams public uri.
func isPublic(uris []*url.URL) bool {
for _, entry := range uris {
if strings.EqualFold(entry.String(), pub.PublicActivityPubIRI) {
return true
}
}
return false
}
// isFollowers checks if at least one entry in the given uris slice equals
// the given followersURI.
func isFollowers(uris []*url.URL, followersURI string) bool {
for _, entry := range uris {
if strings.EqualFold(entry.String(), followersURI) {
return true
}
}
return false
}

View file

@ -19,9 +19,14 @@
package ap_test
import (
"context"
"encoding/json"
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/testrig"
)
@ -86,15 +91,111 @@ func noteWithMentions1() vocab.ActivityStreamsNote {
return note
}
func addressable1() ap.Addressable {
// make a note addressed to public with followers in cc
note := streams.NewActivityStreamsNote()
toProp := streams.NewActivityStreamsToProperty()
toProp.AppendIRI(testrig.URLMustParse(pub.PublicActivityPubIRI))
note.SetActivityStreamsTo(toProp)
ccProp := streams.NewActivityStreamsCcProperty()
ccProp.AppendIRI(testrig.URLMustParse("http://localhost:8080/users/the_mighty_zork/followers"))
note.SetActivityStreamsCc(ccProp)
return note
}
func addressable2() ap.Addressable {
// make a note addressed to followers with public in cc
note := streams.NewActivityStreamsNote()
toProp := streams.NewActivityStreamsToProperty()
toProp.AppendIRI(testrig.URLMustParse("http://localhost:8080/users/the_mighty_zork/followers"))
note.SetActivityStreamsTo(toProp)
ccProp := streams.NewActivityStreamsCcProperty()
ccProp.AppendIRI(testrig.URLMustParse(pub.PublicActivityPubIRI))
note.SetActivityStreamsCc(ccProp)
return note
}
func addressable3() ap.Addressable {
// make a note addressed to followers
note := streams.NewActivityStreamsNote()
toProp := streams.NewActivityStreamsToProperty()
toProp.AppendIRI(testrig.URLMustParse("http://localhost:8080/users/the_mighty_zork/followers"))
note.SetActivityStreamsTo(toProp)
return note
}
func addressable4() vocab.ActivityStreamsAnnounce {
// https://github.com/superseriousbusiness/gotosocial/issues/267
announceJson := []byte(`
{
"@context": "https://www.w3.org/ns/activitystreams",
"actor": "https://example.org/users/someone",
"cc": "https://another.instance/users/someone_else",
"id": "https://example.org/users/someone/statuses/107043888547829808/activity",
"object": "https://another.instance/users/someone_else/statuses/107026674805188668",
"published": "2021-10-04T15:08:35Z",
"to": "https://example.org/users/someone/followers",
"type": "Announce"
}`)
var jsonAsMap map[string]interface{}
err := json.Unmarshal(announceJson, &jsonAsMap)
if err != nil {
panic(err)
}
t, err := streams.ToType(context.Background(), jsonAsMap)
if err != nil {
panic(err)
}
return t.(vocab.ActivityStreamsAnnounce)
}
func addressable5() ap.Addressable {
// make a note addressed to one person (direct message)
note := streams.NewActivityStreamsNote()
toProp := streams.NewActivityStreamsToProperty()
toProp.AppendIRI(testrig.URLMustParse("http://localhost:8080/users/1_happy_turtle"))
note.SetActivityStreamsTo(toProp)
return note
}
type ExtractTestSuite struct {
suite.Suite
document1 vocab.ActivityStreamsDocument
attachment1 vocab.ActivityStreamsAttachmentProperty
noteWithMentions1 vocab.ActivityStreamsNote
addressable1 ap.Addressable
addressable2 ap.Addressable
addressable3 ap.Addressable
addressable4 vocab.ActivityStreamsAnnounce
addressable5 ap.Addressable
}
func (suite *ExtractTestSuite) SetupTest() {
suite.document1 = document1()
suite.attachment1 = attachment1()
suite.noteWithMentions1 = noteWithMentions1()
suite.addressable1 = addressable1()
suite.addressable2 = addressable2()
suite.addressable3 = addressable3()
suite.addressable4 = addressable4()
suite.addressable5 = addressable5()
}

View file

@ -0,0 +1,71 @@
/*
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 ap_test
import (
"testing"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
type ExtractVisibilityTestSuite struct {
ExtractTestSuite
}
func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityPublic() {
a := suite.addressable1
visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
suite.NoError(err)
suite.Equal(visibility, gtsmodel.VisibilityPublic)
}
func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityUnlocked() {
a := suite.addressable2
visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
suite.NoError(err)
suite.Equal(visibility, gtsmodel.VisibilityUnlocked)
}
func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityFollowersOnly() {
a := suite.addressable3
visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
suite.NoError(err)
suite.Equal(visibility, gtsmodel.VisibilityFollowersOnly)
}
func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityFollowersOnlyAnnounce() {
// https://github.com/superseriousbusiness/gotosocial/issues/267
a := suite.addressable4
visibility, err := ap.ExtractVisibility(a, "https://example.org/users/someone/followers")
suite.NoError(err)
suite.Equal(visibility, gtsmodel.VisibilityFollowersOnly)
}
func (suite *ExtractVisibilityTestSuite) TestExtractVisibilityDirect() {
a := suite.addressable5
visibility, err := ap.ExtractVisibility(a, "http://localhost:8080/users/the_mighty_zork/followers")
suite.NoError(err)
suite.Equal(visibility, gtsmodel.VisibilityDirect)
}
func TestExtractVisibilityTestSuite(t *testing.T) {
suite.Run(t, &ExtractVisibilityTestSuite{})
}

View file

@ -133,6 +133,12 @@ type Announceable interface {
WithCC
}
// Addressable represents the minimum interface for an addressed activity.
type Addressable interface {
WithTo
WithCC
}
// CollectionPageable represents the minimum interface for an activitystreams 'CollectionPage' object.
type CollectionPageable interface {
WithJSONLDId

View file

@ -29,6 +29,7 @@ import (
"time"
"github.com/gin-gonic/gin"
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/api/s2s/user"
@ -247,7 +248,7 @@ func (suite *InboxPostTestSuite) TestPostUpdate() {
// Set the To of the update as public
updateTo := streams.NewActivityStreamsToProperty()
updateTo.AppendIRI(testrig.URLMustParse("https://www.w3.org/ns/activitystreams#Public"))
updateTo.AppendIRI(testrig.URLMustParse(pub.PublicActivityPubIRI))
update.SetActivityStreamsTo(updateTo)
// set the cc of the update to the receivingAccount
@ -370,7 +371,7 @@ func (suite *InboxPostTestSuite) TestPostDelete() {
// Set the To of the delete as public
deleteTo := streams.NewActivityStreamsToProperty()
deleteTo.AppendIRI(testrig.URLMustParse("https://www.w3.org/ns/activitystreams#Public"))
deleteTo.AppendIRI(testrig.URLMustParse(pub.PublicActivityPubIRI))
delete.SetActivityStreamsTo(deleteTo)
// set some random-ass ID for the activity

View file

@ -22,8 +22,6 @@ import (
"context"
"errors"
"fmt"
"net/url"
"strings"
"github.com/superseriousbusiness/gotosocial/internal/ap"
"github.com/superseriousbusiness/gotosocial/internal/db"
@ -245,13 +243,13 @@ func (c *converter) ASStatusToStatus(ctx context.Context, statusable ap.Statusab
// if we don't know the account yet we can dereference it later
attributedTo, err := ap.ExtractAttributedTo(statusable)
if err != nil {
return nil, errors.New("attributedTo was empty")
return nil, errors.New("ASStatusToStatus: attributedTo was empty")
}
status.AccountURI = attributedTo.String()
statusOwner, err := c.db.GetAccountByURI(ctx, attributedTo.String())
if err != nil {
return nil, fmt.Errorf("couldn't get status owner from db: %s", err)
return nil, fmt.Errorf("ASStatusToStatus: couldn't get status owner from db: %s", err)
}
status.AccountID = statusOwner.ID
status.AccountURI = statusOwner.URI
@ -280,46 +278,9 @@ func (c *converter) ASStatusToStatus(ctx context.Context, statusable ap.Statusab
}
// visibility entry for this status
var visibility gtsmodel.Visibility
to, err := ap.ExtractTos(statusable)
visibility, err := ap.ExtractVisibility(statusable, status.Account.FollowersURI)
if err != nil {
return nil, fmt.Errorf("error extracting TO values: %s", err)
}
cc, err := ap.ExtractCCs(statusable)
if err != nil {
return nil, fmt.Errorf("error extracting CC values: %s", err)
}
if len(to) == 0 && len(cc) == 0 {
return nil, errors.New("message wasn't TO or CC anyone")
}
// for visibility derivation, we start by assuming most restrictive, and work our way to least restrictive
// if it's a DM then it's addressed to SPECIFIC ACCOUNTS and not followers or public
if len(to) != 0 && len(cc) == 0 {
visibility = gtsmodel.VisibilityDirect
}
// if it's just got followers in TO and it's not also CC'ed to public, it's followers only
if isFollowers(to, statusOwner.FollowersURI) {
visibility = gtsmodel.VisibilityFollowersOnly
}
// if it's CC'ed to public, it's public or unlocked
// mentioned SPECIFIC ACCOUNTS also get added to CC'es if it's not a direct message
if isPublic(cc) {
visibility = gtsmodel.VisibilityUnlocked
}
if isPublic(to) {
visibility = gtsmodel.VisibilityPublic
}
// we should have a visibility by now
if visibility == "" {
return nil, errors.New("couldn't derive visibility")
return nil, fmt.Errorf("ASStatusToStatus: error extracting visibility: %s", err)
}
status.Visibility = visibility
@ -553,55 +514,12 @@ func (c *converter) ASAnnounceToStatus(ctx context.Context, announceable ap.Anno
status.MentionIDs = []string{}
status.EmojiIDs = []string{}
// parse the visibility from the To and CC entries
var visibility gtsmodel.Visibility
to, err := ap.ExtractTos(announceable)
visibility, err := ap.ExtractVisibility(announceable, boostingAccount.FollowersURI)
if err != nil {
return nil, isNew, fmt.Errorf("error extracting TO values: %s", err)
}
cc, err := ap.ExtractCCs(announceable)
if err != nil {
return nil, isNew, fmt.Errorf("error extracting CC values: %s", err)
}
if len(to) == 0 && len(cc) == 0 {
return nil, isNew, errors.New("message wasn't TO or CC anyone")
}
// if it's CC'ed to public, it's public or unlocked
if isPublic(cc) {
visibility = gtsmodel.VisibilityUnlocked
}
if isPublic(to) {
visibility = gtsmodel.VisibilityPublic
}
// we should have a visibility by now
if visibility == "" {
return nil, isNew, errors.New("couldn't derive visibility")
return nil, isNew, fmt.Errorf("ASAnnounceToStatus: error extracting visibility: %s", err)
}
status.Visibility = visibility
// the rest of the fields will be taken from the target status, but it's not our job to do the dereferencing here
return status, isNew, nil
}
func isPublic(tos []*url.URL) bool {
for _, entry := range tos {
if strings.EqualFold(entry.String(), "https://www.w3.org/ns/activitystreams#Public") {
return true
}
}
return false
}
func isFollowers(ccs []*url.URL, followersURI string) bool {
for _, entry := range ccs {
if strings.EqualFold(entry.String(), followersURI) {
return true
}
}
return false
}

View file

@ -32,10 +32,6 @@ import (
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
const (
asPublicURI = "https://www.w3.org/ns/activitystreams#Public"
)
// TypeConverter is an interface for the common action of converting between apimodule (frontend, serializable) models,
// internal gts models used in the database, and activitypub models used in federation.
//

View file

@ -25,6 +25,7 @@ import (
"fmt"
"net/url"
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
@ -444,9 +445,9 @@ func (c *converter) StatusToAS(ctx context.Context, s *gtsmodel.Status) (vocab.A
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.Account.FollowersURI, err)
}
publicURI, err := url.Parse(asPublicURI)
publicURI, err := url.Parse(pub.PublicActivityPubIRI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", asPublicURI, err)
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", pub.PublicActivityPubIRI, err)
}
// to and cc
@ -795,9 +796,9 @@ func (c *converter) BoostToAS(ctx context.Context, boostWrapperStatus *gtsmodel.
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", boostedAccount.URI, err)
}
publicURI, err := url.Parse(asPublicURI)
publicURI, err := url.Parse(pub.PublicActivityPubIRI)
if err != nil {
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", asPublicURI, err)
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", pub.PublicActivityPubIRI, err)
}
ccProp := streams.NewActivityStreamsCcProperty()

View file

@ -4,6 +4,7 @@ import (
"fmt"
"net/url"
"github.com/go-fed/activity/pub"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
@ -46,9 +47,9 @@ func (c *converter) WrapPersonInUpdate(person vocab.ActivityStreamsPerson, origi
update.SetActivityStreamsObject(objectProp)
// to should be public
toURI, err := url.Parse(asPublicURI)
toURI, err := url.Parse(pub.PublicActivityPubIRI)
if err != nil {
return nil, fmt.Errorf("WrapPersonInUpdate: error parsing url %s: %s", asPublicURI, err)
return nil, fmt.Errorf("WrapPersonInUpdate: error parsing url %s: %s", pub.PublicActivityPubIRI, err)
}
toProp := streams.NewActivityStreamsToProperty()
toProp.AppendIRI(toURI)

View file

@ -1387,7 +1387,7 @@ func NewTestFediStatuses() map[string]vocab.ActivityStreamsNote {
"",
URLMustParse("https://unknown-instance.com/users/brand_new_person"),
[]*url.URL{
URLMustParse("https://www.w3.org/ns/activitystreams#Public"),
URLMustParse(pub.PublicActivityPubIRI),
},
[]*url.URL{},
false,
@ -1401,7 +1401,7 @@ func NewTestFediStatuses() map[string]vocab.ActivityStreamsNote {
"",
URLMustParse("https://unknown-instance.com/users/brand_new_person"),
[]*url.URL{
URLMustParse("https://www.w3.org/ns/activitystreams#Public"),
URLMustParse(pub.PublicActivityPubIRI),
},
[]*url.URL{},
false,