GoToSocial/internal/ap/properties.go
tobi 8ab2b19a94
[feature] Federate interaction policies + Accepts; enforce policies (#3138)
* [feature] Federate interaction policies + Accepts; enforce policies

* use Acceptable type

* fix index

* remove appendIRIStrs

* add GetAccept federatingdb function

* lock on object IRI
2024-07-26 12:04:28 +02:00

614 lines
19 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 ap
import (
"fmt"
"net/url"
"time"
"github.com/superseriousbusiness/activity/streams"
"github.com/superseriousbusiness/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
)
// MustGet performs the given 'Get$Property(with) (T, error)' signature function, panicking on error.
// func MustGet[W, T any](fn func(W) (T, error), with W) T {
// t, err := fn(with)
// if err != nil {
// panicfAt(3, "error getting property on %T: %w", with, err)
// }
// return t
// }
// MustSet performs the given 'Set$Property(with, T) error' signature function, panicking on error.
func MustSet[W, T any](fn func(W, T) error, with W, value T) {
err := fn(with, value)
if err != nil {
panicfAt(3, "error setting property on %T: %w", with, err)
}
}
// AppendSet performs the given 'Append$Property(with, ...T) error' signature function, panicking on error.
// func MustAppend[W, T any](fn func(W, ...T) error, with W, values ...T) {
// err := fn(with, values...)
// if err != nil {
// panicfAt(3, "error appending properties on %T: %w", with, err)
// }
// }
// GetJSONLDId returns the ID of 'with', or nil.
func GetJSONLDId(with WithJSONLDId) *url.URL {
idProp := with.GetJSONLDId()
if idProp == nil || !idProp.IsXMLSchemaAnyURI() {
return nil
}
return idProp.Get()
}
// SetJSONLDId sets the given URL to the JSONLD ID of 'with'.
func SetJSONLDId(with WithJSONLDId, id *url.URL) {
idProp := with.GetJSONLDId()
if idProp == nil {
idProp = streams.NewJSONLDIdProperty()
with.SetJSONLDId(idProp)
}
idProp.SetIRI(id)
}
// SetJSONLDIdStr sets the given string to the JSONLDID of 'with'. Returns error
func SetJSONLDIdStr(with WithJSONLDId, id string) error {
u, err := url.Parse(id)
if err != nil {
return fmt.Errorf("error parsing id url: %w", err)
}
SetJSONLDId(with, u)
return nil
}
// GetTo returns the IRIs contained in the To property of 'with'. Panics on entries with missing ID.
func GetTo(with WithTo) []*url.URL {
toProp := with.GetActivityStreamsTo()
return getIRIs[vocab.ActivityStreamsToPropertyIterator](toProp)
}
// AppendTo appends the given IRIs to the To property of 'with'.
func AppendTo(with WithTo, to ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsToPropertyIterator] {
toProp := with.GetActivityStreamsTo()
if toProp == nil {
toProp = streams.NewActivityStreamsToProperty()
with.SetActivityStreamsTo(toProp)
}
return toProp
}, to...)
}
// GetCc returns the IRIs contained in the Cc property of 'with'. Panics on entries with missing ID.
func GetCc(with WithCc) []*url.URL {
ccProp := with.GetActivityStreamsCc()
return extractIRIs[vocab.ActivityStreamsCcPropertyIterator](ccProp)
}
// AppendCc appends the given IRIs to the Cc property of 'with'.
func AppendCc(with WithCc, cc ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsCcPropertyIterator] {
ccProp := with.GetActivityStreamsCc()
if ccProp == nil {
ccProp = streams.NewActivityStreamsCcProperty()
with.SetActivityStreamsCc(ccProp)
}
return ccProp
}, cc...)
}
// GetBcc returns the IRIs contained in the Bcc property of 'with'. Panics on entries with missing ID.
func GetBcc(with WithBcc) []*url.URL {
bccProp := with.GetActivityStreamsBcc()
return extractIRIs[vocab.ActivityStreamsBccPropertyIterator](bccProp)
}
// AppendBcc appends the given IRIs to the Bcc property of 'with'.
func AppendBcc(with WithBcc, bcc ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsBccPropertyIterator] {
bccProp := with.GetActivityStreamsBcc()
if bccProp == nil {
bccProp = streams.NewActivityStreamsBccProperty()
with.SetActivityStreamsBcc(bccProp)
}
return bccProp
}, bcc...)
}
// GetURL returns the IRIs contained in the URL property of 'with'.
func GetURL(with WithURL) []*url.URL {
urlProp := with.GetActivityStreamsUrl()
if urlProp == nil || urlProp.Len() == 0 {
return nil
}
urls := make([]*url.URL, 0, urlProp.Len())
for i := 0; i < urlProp.Len(); i++ {
at := urlProp.At(i)
if at.IsXMLSchemaAnyURI() {
u := at.GetXMLSchemaAnyURI()
urls = append(urls, u)
}
}
return urls
}
// AppendURL appends the given URLs to the URL property of 'with'.
func AppendURL(with WithURL, url ...*url.URL) {
if len(url) == 0 {
return
}
urlProp := with.GetActivityStreamsUrl()
if urlProp == nil {
urlProp = streams.NewActivityStreamsUrlProperty()
with.SetActivityStreamsUrl(urlProp)
}
for _, u := range url {
urlProp.AppendXMLSchemaAnyURI(u)
}
}
// GetActorIRIs returns the IRIs contained in the Actor property of 'with'.
func GetActorIRIs(with WithActor) []*url.URL {
actorProp := with.GetActivityStreamsActor()
return extractIRIs[vocab.ActivityStreamsActorPropertyIterator](actorProp)
}
// AppendActorIRIs appends the given IRIs to the Actor property of 'with'.
func AppendActorIRIs(with WithActor, actor ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsActorPropertyIterator] {
actorProp := with.GetActivityStreamsActor()
if actorProp == nil {
actorProp = streams.NewActivityStreamsActorProperty()
with.SetActivityStreamsActor(actorProp)
}
return actorProp
}, actor...)
}
// GetObjectIRIs returns the IRIs contained in the Object property of 'with'.
func GetObjectIRIs(with WithObject) []*url.URL {
objectProp := with.GetActivityStreamsObject()
return extractIRIs[vocab.ActivityStreamsObjectPropertyIterator](objectProp)
}
// AppendObjectIRIs appends the given IRIs to the Object property of 'with'.
func AppendObjectIRIs(with WithObject, object ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsObjectPropertyIterator] {
objectProp := with.GetActivityStreamsObject()
if objectProp == nil {
objectProp = streams.NewActivityStreamsObjectProperty()
with.SetActivityStreamsObject(objectProp)
}
return objectProp
}, object...)
}
// GetTargetIRIs returns the IRIs contained in the Target property of 'with'.
func GetTargetIRIs(with WithTarget) []*url.URL {
targetProp := with.GetActivityStreamsTarget()
return extractIRIs[vocab.ActivityStreamsTargetPropertyIterator](targetProp)
}
// AppendTargetIRIs appends the given IRIs to the Target property of 'with'.
func AppendTargetIRIs(with WithTarget, target ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsTargetPropertyIterator] {
targetProp := with.GetActivityStreamsTarget()
if targetProp == nil {
targetProp = streams.NewActivityStreamsTargetProperty()
with.SetActivityStreamsTarget(targetProp)
}
return targetProp
}, target...)
}
// GetAttributedTo returns the IRIs contained in the AttributedTo property of 'with'.
func GetAttributedTo(with WithAttributedTo) []*url.URL {
attribProp := with.GetActivityStreamsAttributedTo()
return extractIRIs[vocab.ActivityStreamsAttributedToPropertyIterator](attribProp)
}
// AppendAttributedTo appends the given IRIs to the AttributedTo property of 'with'.
func AppendAttributedTo(with WithAttributedTo, attribTo ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsAttributedToPropertyIterator] {
attribProp := with.GetActivityStreamsAttributedTo()
if attribProp == nil {
attribProp = streams.NewActivityStreamsAttributedToProperty()
with.SetActivityStreamsAttributedTo(attribProp)
}
return attribProp
}, attribTo...)
}
// GetInReplyTo returns the IRIs contained in the InReplyTo property of 'with'.
func GetInReplyTo(with WithInReplyTo) []*url.URL {
replyProp := with.GetActivityStreamsInReplyTo()
return extractIRIs[vocab.ActivityStreamsInReplyToPropertyIterator](replyProp)
}
// AppendInReplyTo appends the given IRIs to the InReplyTo property of 'with'.
func AppendInReplyTo(with WithInReplyTo, replyTo ...*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsInReplyToPropertyIterator] {
replyProp := with.GetActivityStreamsInReplyTo()
if replyProp == nil {
replyProp = streams.NewActivityStreamsInReplyToProperty()
with.SetActivityStreamsInReplyTo(replyProp)
}
return replyProp
}, replyTo...)
}
// GetInbox returns the IRI contained in the Inbox property of 'with'.
func GetInbox(with WithInbox) *url.URL {
inboxProp := with.GetActivityStreamsInbox()
if inboxProp == nil || !inboxProp.IsIRI() {
return nil
}
return inboxProp.GetIRI()
}
// SetInbox sets the given IRI on the Inbox property of 'with'.
func SetInbox(with WithInbox, inbox *url.URL) {
inboxProp := with.GetActivityStreamsInbox()
if inboxProp == nil {
inboxProp = streams.NewActivityStreamsInboxProperty()
with.SetActivityStreamsInbox(inboxProp)
}
inboxProp.SetIRI(inbox)
}
// GetOutbox returns the IRI contained in the Outbox property of 'with'.
func GetOutbox(with WithOutbox) *url.URL {
outboxProp := with.GetActivityStreamsOutbox()
if outboxProp == nil || !outboxProp.IsIRI() {
return nil
}
return outboxProp.GetIRI()
}
// SetOutbox sets the given IRI on the Outbox property of 'with'.
func SetOutbox(with WithOutbox, outbox *url.URL) {
outboxProp := with.GetActivityStreamsOutbox()
if outboxProp == nil {
outboxProp = streams.NewActivityStreamsOutboxProperty()
with.SetActivityStreamsOutbox(outboxProp)
}
outboxProp.SetIRI(outbox)
}
// GetFollowers returns the IRI contained in the Following property of 'with'.
func GetFollowing(with WithFollowing) *url.URL {
followProp := with.GetActivityStreamsFollowing()
if followProp == nil || !followProp.IsIRI() {
return nil
}
return followProp.GetIRI()
}
// SetFollowers sets the given IRI on the Following property of 'with'.
func SetFollowing(with WithFollowing, following *url.URL) {
followProp := with.GetActivityStreamsFollowing()
if followProp == nil {
followProp = streams.NewActivityStreamsFollowingProperty()
with.SetActivityStreamsFollowing(followProp)
}
followProp.SetIRI(following)
}
// GetFollowers returns the IRI contained in the Followers property of 'with'.
func GetFollowers(with WithFollowers) *url.URL {
followProp := with.GetActivityStreamsFollowers()
if followProp == nil || !followProp.IsIRI() {
return nil
}
return followProp.GetIRI()
}
// SetFollowers sets the given IRI on the Followers property of 'with'.
func SetFollowers(with WithFollowers, followers *url.URL) {
followProp := with.GetActivityStreamsFollowers()
if followProp == nil {
followProp = streams.NewActivityStreamsFollowersProperty()
with.SetActivityStreamsFollowers(followProp)
}
followProp.SetIRI(followers)
}
// GetFeatured returns the IRI contained in the Featured property of 'with'.
func GetFeatured(with WithFeatured) *url.URL {
featuredProp := with.GetTootFeatured()
if featuredProp == nil || !featuredProp.IsIRI() {
return nil
}
return featuredProp.GetIRI()
}
// SetFeatured sets the given IRI on the Featured property of 'with'.
func SetFeatured(with WithFeatured, featured *url.URL) {
featuredProp := with.GetTootFeatured()
if featuredProp == nil {
featuredProp = streams.NewTootFeaturedProperty()
with.SetTootFeatured(featuredProp)
}
featuredProp.SetIRI(featured)
}
// GetMovedTo returns the IRI contained in the movedTo property of 'with'.
func GetMovedTo(with WithMovedTo) *url.URL {
movedToProp := with.GetActivityStreamsMovedTo()
if movedToProp == nil || !movedToProp.IsIRI() {
return nil
}
return movedToProp.GetIRI()
}
// SetMovedTo sets the given IRI on the movedTo property of 'with'.
func SetMovedTo(with WithMovedTo, movedTo *url.URL) {
movedToProp := with.GetActivityStreamsMovedTo()
if movedToProp == nil {
movedToProp = streams.NewActivityStreamsMovedToProperty()
with.SetActivityStreamsMovedTo(movedToProp)
}
movedToProp.SetIRI(movedTo)
}
// GetAlsoKnownAs returns the IRI contained in the alsoKnownAs property of 'with'.
func GetAlsoKnownAs(with WithAlsoKnownAs) []*url.URL {
alsoKnownAsProp := with.GetActivityStreamsAlsoKnownAs()
return getIRIs[vocab.ActivityStreamsAlsoKnownAsPropertyIterator](alsoKnownAsProp)
}
// SetAlsoKnownAs sets the given IRIs on the alsoKnownAs property of 'with'.
func SetAlsoKnownAs(with WithAlsoKnownAs, alsoKnownAs []*url.URL) {
appendIRIs(func() Property[vocab.ActivityStreamsAlsoKnownAsPropertyIterator] {
alsoKnownAsProp := with.GetActivityStreamsAlsoKnownAs()
if alsoKnownAsProp == nil {
alsoKnownAsProp = streams.NewActivityStreamsAlsoKnownAsProperty()
with.SetActivityStreamsAlsoKnownAs(alsoKnownAsProp)
}
return alsoKnownAsProp
}, alsoKnownAs...)
}
// GetPublished returns the time contained in the Published property of 'with'.
func GetPublished(with WithPublished) time.Time {
publishProp := with.GetActivityStreamsPublished()
if publishProp == nil || !publishProp.IsXMLSchemaDateTime() {
return time.Time{}
}
return publishProp.Get()
}
// SetPublished sets the given time on the Published property of 'with'.
func SetPublished(with WithPublished, published time.Time) {
publishProp := with.GetActivityStreamsPublished()
if publishProp == nil {
publishProp = streams.NewActivityStreamsPublishedProperty()
with.SetActivityStreamsPublished(publishProp)
}
publishProp.Set(published)
}
// GetEndTime returns the time contained in the EndTime property of 'with'.
func GetEndTime(with WithEndTime) time.Time {
endTimeProp := with.GetActivityStreamsEndTime()
if endTimeProp == nil || !endTimeProp.IsXMLSchemaDateTime() {
return time.Time{}
}
return endTimeProp.Get()
}
// SetEndTime sets the given time on the EndTime property of 'with'.
func SetEndTime(with WithEndTime, end time.Time) {
endTimeProp := with.GetActivityStreamsEndTime()
if endTimeProp == nil {
endTimeProp = streams.NewActivityStreamsEndTimeProperty()
with.SetActivityStreamsEndTime(endTimeProp)
}
endTimeProp.Set(end)
}
// GetEndTime returns the times contained in the Closed property of 'with'.
func GetClosed(with WithClosed) []time.Time {
closedProp := with.GetActivityStreamsClosed()
if closedProp == nil || closedProp.Len() == 0 {
return nil
}
closed := make([]time.Time, 0, closedProp.Len())
for i := 0; i < closedProp.Len(); i++ {
at := closedProp.At(i)
if at.IsXMLSchemaDateTime() {
t := at.GetXMLSchemaDateTime()
closed = append(closed, t)
}
}
return closed
}
// AppendClosed appends the given times to the Closed property of 'with'.
func AppendClosed(with WithClosed, closed ...time.Time) {
if len(closed) == 0 {
return
}
closedProp := with.GetActivityStreamsClosed()
if closedProp == nil {
closedProp = streams.NewActivityStreamsClosedProperty()
with.SetActivityStreamsClosed(closedProp)
}
for _, closed := range closed {
closedProp.AppendXMLSchemaDateTime(closed)
}
}
// GetVotersCount returns the integer contained in the VotersCount property of 'with', if found.
func GetVotersCount(with WithVotersCount) int {
votersProp := with.GetTootVotersCount()
if votersProp == nil || !votersProp.IsXMLSchemaNonNegativeInteger() {
return 0
}
return votersProp.Get()
}
// SetVotersCount sets the given count on the VotersCount property of 'with'.
func SetVotersCount(with WithVotersCount, count int) {
votersProp := with.GetTootVotersCount()
if votersProp == nil {
votersProp = streams.NewTootVotersCountProperty()
with.SetTootVotersCount(votersProp)
}
votersProp.Set(count)
}
// GetDiscoverable returns the boolean contained in the Discoverable property of 'with'.
//
// Returns default 'false' if property unusable or not set.
func GetDiscoverable(with WithDiscoverable) bool {
discoverProp := with.GetTootDiscoverable()
if discoverProp == nil || !discoverProp.IsXMLSchemaBoolean() {
return false
}
return discoverProp.Get()
}
// SetDiscoverable sets the given boolean on the Discoverable property of 'with'.
func SetDiscoverable(with WithDiscoverable, discoverable bool) {
discoverProp := with.GetTootDiscoverable()
if discoverProp == nil {
discoverProp = streams.NewTootDiscoverableProperty()
with.SetTootDiscoverable(discoverProp)
}
discoverProp.Set(discoverable)
}
// GetManuallyApprovesFollowers returns the boolean contained in the ManuallyApprovesFollowers property of 'with'.
//
// Returns default 'true' if property unusable or not set.
func GetManuallyApprovesFollowers(with WithManuallyApprovesFollowers) bool {
mafProp := with.GetActivityStreamsManuallyApprovesFollowers()
if mafProp == nil || !mafProp.IsXMLSchemaBoolean() {
return true
}
return mafProp.Get()
}
// SetManuallyApprovesFollowers sets the given boolean on the ManuallyApprovesFollowers property of 'with'.
func SetManuallyApprovesFollowers(with WithManuallyApprovesFollowers, manuallyApprovesFollowers bool) {
mafProp := with.GetActivityStreamsManuallyApprovesFollowers()
if mafProp == nil {
mafProp = streams.NewActivityStreamsManuallyApprovesFollowersProperty()
with.SetActivityStreamsManuallyApprovesFollowers(mafProp)
}
mafProp.Set(manuallyApprovesFollowers)
}
// GetApprovedBy returns the URL contained in
// the ApprovedBy property of 'with', if set.
func GetApprovedBy(with WithApprovedBy) *url.URL {
mafProp := with.GetGoToSocialApprovedBy()
if mafProp == nil || !mafProp.IsIRI() {
return nil
}
return mafProp.Get()
}
// SetApprovedBy sets the given url
// on the ApprovedBy property of 'with'.
func SetApprovedBy(with WithApprovedBy, approvedBy *url.URL) {
abProp := with.GetGoToSocialApprovedBy()
if abProp == nil {
abProp = streams.NewGoToSocialApprovedByProperty()
with.SetGoToSocialApprovedBy(abProp)
}
abProp.Set(approvedBy)
}
// extractIRIs extracts just the AP IRIs from an iterable
// property that may contain types (with IRIs) or just IRIs.
//
// If you know the property contains only IRIs and no types,
// then use getIRIs instead, since it's slightly faster.
func extractIRIs[T TypeOrIRI](prop Property[T]) []*url.URL {
if prop == nil || prop.Len() == 0 {
return nil
}
ids := make([]*url.URL, 0, prop.Len())
for i := 0; i < prop.Len(); i++ {
at := prop.At(i)
if t := at.GetType(); t != nil {
id := GetJSONLDId(t)
if id != nil {
ids = append(ids, id)
continue
}
}
if at.IsIRI() {
id := at.GetIRI()
if id != nil {
ids = append(ids, id)
continue
}
}
}
return ids
}
// getIRIs gets AP IRIs from an iterable property of IRIs.
//
// Types will be ignored; to extract IRIs from an iterable
// that may contain types too, use extractIRIs.
func getIRIs[T WithIRI](prop Property[T]) []*url.URL {
if prop == nil || prop.Len() == 0 {
return nil
}
ids := make([]*url.URL, 0, prop.Len())
for i := 0; i < prop.Len(); i++ {
at := prop.At(i)
if at.IsIRI() {
id := at.GetIRI()
if id != nil {
ids = append(ids, id)
continue
}
}
}
return ids
}
func appendIRIs[T WithIRI](getProp func() Property[T], iri ...*url.URL) {
if len(iri) == 0 {
return
}
prop := getProp()
if prop == nil {
// check outside loop.
panic("prop not set")
}
for _, iri := range iri {
prop.AppendIRI(iri)
}
}
// panicfAt panics with a call to gtserror.NewfAt() with given args (+1 to calldepth).
func panicfAt(calldepth int, msg string, args ...any) {
panic(gtserror.NewfAt(calldepth+1, msg, args...))
}