gotosocial/internal/typeutils/internaltoas.go

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/*
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 typeutils
import (
"crypto/x509"
"encoding/pem"
"fmt"
"net/url"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// Converts a gts model account into an Activity Streams person type, following
// the spec laid out for mastodon here: https://docs.joinmastodon.org/spec/activitypub/
func (c *converter) AccountToAS(a *gtsmodel.Account) (vocab.ActivityStreamsPerson, error) {
person := streams.NewActivityStreamsPerson()
// id should be the activitypub URI of this user
// something like https://example.org/users/example_user
profileIDURI, err := url.Parse(a.URI)
if err != nil {
return nil, err
}
idProp := streams.NewJSONLDIdProperty()
idProp.SetIRI(profileIDURI)
person.SetJSONLDId(idProp)
// following
// The URI for retrieving a list of accounts this user is following
followingURI, err := url.Parse(a.FollowingURI)
if err != nil {
return nil, err
}
followingProp := streams.NewActivityStreamsFollowingProperty()
followingProp.SetIRI(followingURI)
person.SetActivityStreamsFollowing(followingProp)
// followers
// The URI for retrieving a list of this user's followers
followersURI, err := url.Parse(a.FollowersURI)
if err != nil {
return nil, err
}
followersProp := streams.NewActivityStreamsFollowersProperty()
followersProp.SetIRI(followersURI)
person.SetActivityStreamsFollowers(followersProp)
// inbox
// the activitypub inbox of this user for accepting messages
inboxURI, err := url.Parse(a.InboxURI)
if err != nil {
return nil, err
}
inboxProp := streams.NewActivityStreamsInboxProperty()
inboxProp.SetIRI(inboxURI)
person.SetActivityStreamsInbox(inboxProp)
// outbox
// the activitypub outbox of this user for serving messages
outboxURI, err := url.Parse(a.OutboxURI)
if err != nil {
return nil, err
}
outboxProp := streams.NewActivityStreamsOutboxProperty()
outboxProp.SetIRI(outboxURI)
person.SetActivityStreamsOutbox(outboxProp)
// featured posts
// Pinned posts.
featuredURI, err := url.Parse(a.FeaturedCollectionURI)
if err != nil {
return nil, err
}
featuredProp := streams.NewTootFeaturedProperty()
featuredProp.SetIRI(featuredURI)
person.SetTootFeatured(featuredProp)
// featuredTags
// NOT IMPLEMENTED
// preferredUsername
// Used for Webfinger lookup. Must be unique on the domain, and must correspond to a Webfinger acct: URI.
preferredUsernameProp := streams.NewActivityStreamsPreferredUsernameProperty()
preferredUsernameProp.SetXMLSchemaString(a.Username)
person.SetActivityStreamsPreferredUsername(preferredUsernameProp)
// name
// Used as profile display name.
nameProp := streams.NewActivityStreamsNameProperty()
if a.Username != "" {
nameProp.AppendXMLSchemaString(a.DisplayName)
} else {
nameProp.AppendXMLSchemaString(a.Username)
}
person.SetActivityStreamsName(nameProp)
// summary
// Used as profile bio.
if a.Note != "" {
summaryProp := streams.NewActivityStreamsSummaryProperty()
summaryProp.AppendXMLSchemaString(a.Note)
person.SetActivityStreamsSummary(summaryProp)
}
// url
// Used as profile link.
profileURL, err := url.Parse(a.URL)
if err != nil {
return nil, err
}
urlProp := streams.NewActivityStreamsUrlProperty()
urlProp.AppendIRI(profileURL)
person.SetActivityStreamsUrl(urlProp)
// manuallyApprovesFollowers
// Will be shown as a locked account.
// TODO: NOT IMPLEMENTED **YET** -- this needs to be added as an activitypub extension to https://github.com/go-fed/activity, see https://github.com/go-fed/activity/tree/master/astool
// discoverable
// Will be shown in the profile directory.
discoverableProp := streams.NewTootDiscoverableProperty()
discoverableProp.Set(a.Discoverable)
person.SetTootDiscoverable(discoverableProp)
// devices
// NOT IMPLEMENTED, probably won't implement
// alsoKnownAs
// Required for Move activity.
// TODO: NOT IMPLEMENTED **YET** -- this needs to be added as an activitypub extension to https://github.com/go-fed/activity, see https://github.com/go-fed/activity/tree/master/astool
// publicKey
// Required for signatures.
publicKeyProp := streams.NewW3IDSecurityV1PublicKeyProperty()
// create the public key
publicKey := streams.NewW3IDSecurityV1PublicKey()
// set ID for the public key
publicKeyIDProp := streams.NewJSONLDIdProperty()
publicKeyURI, err := url.Parse(a.PublicKeyURI)
if err != nil {
return nil, err
}
publicKeyIDProp.SetIRI(publicKeyURI)
publicKey.SetJSONLDId(publicKeyIDProp)
// set owner for the public key
publicKeyOwnerProp := streams.NewW3IDSecurityV1OwnerProperty()
publicKeyOwnerProp.SetIRI(profileIDURI)
publicKey.SetW3IDSecurityV1Owner(publicKeyOwnerProp)
// set the pem key itself
encodedPublicKey, err := x509.MarshalPKIXPublicKey(a.PublicKey)
if err != nil {
return nil, err
}
publicKeyBytes := pem.EncodeToMemory(&pem.Block{
Type: "PUBLIC KEY",
Bytes: encodedPublicKey,
})
publicKeyPEMProp := streams.NewW3IDSecurityV1PublicKeyPemProperty()
publicKeyPEMProp.Set(string(publicKeyBytes))
publicKey.SetW3IDSecurityV1PublicKeyPem(publicKeyPEMProp)
// append the public key to the public key property
publicKeyProp.AppendW3IDSecurityV1PublicKey(publicKey)
// set the public key property on the Person
person.SetW3IDSecurityV1PublicKey(publicKeyProp)
// tag
// TODO: Any tags used in the summary of this profile
// attachment
// Used for profile fields.
// TODO: The PropertyValue type has to be added: https://schema.org/PropertyValue
// endpoints
// NOT IMPLEMENTED -- this is for shared inbox which we don't use
// icon
// Used as profile avatar.
if a.AvatarMediaAttachmentID != "" {
avatar := &gtsmodel.MediaAttachment{}
if err := c.db.GetByID(a.AvatarMediaAttachmentID, avatar); err != nil {
return nil, err
}
iconProperty := streams.NewActivityStreamsIconProperty()
iconImage := streams.NewActivityStreamsImage()
mediaType := streams.NewActivityStreamsMediaTypeProperty()
mediaType.Set(avatar.File.ContentType)
iconImage.SetActivityStreamsMediaType(mediaType)
avatarURLProperty := streams.NewActivityStreamsUrlProperty()
avatarURL, err := url.Parse(avatar.URL)
if err != nil {
return nil, err
}
avatarURLProperty.AppendIRI(avatarURL)
iconImage.SetActivityStreamsUrl(avatarURLProperty)
iconProperty.AppendActivityStreamsImage(iconImage)
person.SetActivityStreamsIcon(iconProperty)
}
// image
// Used as profile header.
if a.HeaderMediaAttachmentID != "" {
header := &gtsmodel.MediaAttachment{}
if err := c.db.GetByID(a.HeaderMediaAttachmentID, header); err != nil {
return nil, err
}
headerProperty := streams.NewActivityStreamsImageProperty()
headerImage := streams.NewActivityStreamsImage()
mediaType := streams.NewActivityStreamsMediaTypeProperty()
mediaType.Set(header.File.ContentType)
headerImage.SetActivityStreamsMediaType(mediaType)
headerURLProperty := streams.NewActivityStreamsUrlProperty()
headerURL, err := url.Parse(header.URL)
if err != nil {
return nil, err
}
headerURLProperty.AppendIRI(headerURL)
headerImage.SetActivityStreamsUrl(headerURLProperty)
headerProperty.AppendActivityStreamsImage(headerImage)
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person.SetActivityStreamsImage(headerProperty)
}
return person, nil
}
func (c *converter) StatusToAS(s *gtsmodel.Status) (vocab.ActivityStreamsNote, error) {
// ensure prerequisites here before we get stuck in
// check if author account is already attached to status and attach it if not
// if we can't retrieve this, bail here already because we can't attribute the status to anyone
if s.GTSAuthorAccount == nil {
a := &gtsmodel.Account{}
if err := c.db.GetByID(s.AccountID, a); err != nil {
return nil, fmt.Errorf("StatusToAS: error retrieving author account from db: %s", err)
}
s.GTSAuthorAccount = a
}
// create the Note!
status := streams.NewActivityStreamsNote()
// id
statusURI, err := url.Parse(s.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.URI, err)
}
statusIDProp := streams.NewJSONLDIdProperty()
statusIDProp.SetIRI(statusURI)
status.SetJSONLDId(statusIDProp)
// type
// will be set automatically by go-fed
// summary aka cw
statusSummaryProp := streams.NewActivityStreamsSummaryProperty()
statusSummaryProp.AppendXMLSchemaString(s.ContentWarning)
status.SetActivityStreamsSummary(statusSummaryProp)
// inReplyTo
if s.InReplyToID != "" {
// fetch the replied status if we don't have it on hand already
if s.GTSReplyToStatus == nil {
rs := &gtsmodel.Status{}
if err := c.db.GetByID(s.InReplyToID, rs); err != nil {
return nil, fmt.Errorf("StatusToAS: error retrieving replied-to status from db: %s", err)
}
s.GTSReplyToStatus = rs
}
rURI, err := url.Parse(s.GTSReplyToStatus.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.GTSReplyToStatus.URI, err)
}
inReplyToProp := streams.NewActivityStreamsInReplyToProperty()
inReplyToProp.AppendIRI(rURI)
status.SetActivityStreamsInReplyTo(inReplyToProp)
}
// published
publishedProp := streams.NewActivityStreamsPublishedProperty()
publishedProp.Set(s.CreatedAt)
status.SetActivityStreamsPublished(publishedProp)
// url
if s.URL != "" {
sURL, err := url.Parse(s.URL)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.URL, err)
}
urlProp := streams.NewActivityStreamsUrlProperty()
urlProp.AppendIRI(sURL)
status.SetActivityStreamsUrl(urlProp)
}
// attributedTo
authorAccountURI, err := url.Parse(s.GTSAuthorAccount.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.GTSAuthorAccount.URI, err)
}
attributedToProp := streams.NewActivityStreamsAttributedToProperty()
attributedToProp.AppendIRI(authorAccountURI)
status.SetActivityStreamsAttributedTo(attributedToProp)
// tags
tagProp := streams.NewActivityStreamsTagProperty()
// tag -- mentions
for _, m := range s.GTSMentions {
asMention, err := c.MentionToAS(m)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error converting mention to AS mention: %s", err)
}
tagProp.AppendActivityStreamsMention(asMention)
}
// tag -- emojis
// TODO
// tag -- hashtags
// TODO
status.SetActivityStreamsTag(tagProp)
// parse out some URIs we need here
authorFollowersURI, err := url.Parse(s.GTSAuthorAccount.FollowersURI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", s.GTSAuthorAccount.FollowersURI, err)
}
publicURI, err := url.Parse(asPublicURI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing url %s: %s", asPublicURI, err)
}
// to and cc
toProp := streams.NewActivityStreamsToProperty()
ccProp := streams.NewActivityStreamsCcProperty()
switch s.Visibility {
case gtsmodel.VisibilityDirect:
// if DIRECT, then only mentioned users should be added to TO, and nothing to CC
for _, m := range s.GTSMentions {
iri, err := url.Parse(m.GTSAccount.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing uri %s: %s", m.GTSAccount.URI, err)
}
toProp.AppendIRI(iri)
}
case gtsmodel.VisibilityMutualsOnly:
// TODO
case gtsmodel.VisibilityFollowersOnly:
// if FOLLOWERS ONLY then we want to add followers to TO, and mentions to CC
toProp.AppendIRI(authorFollowersURI)
for _, m := range s.GTSMentions {
iri, err := url.Parse(m.GTSAccount.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing uri %s: %s", m.GTSAccount.URI, err)
}
ccProp.AppendIRI(iri)
}
case gtsmodel.VisibilityUnlocked:
// if UNLOCKED, we want to add followers to TO, and public and mentions to CC
toProp.AppendIRI(authorFollowersURI)
ccProp.AppendIRI(publicURI)
for _, m := range s.GTSMentions {
iri, err := url.Parse(m.GTSAccount.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing uri %s: %s", m.GTSAccount.URI, err)
}
ccProp.AppendIRI(iri)
}
case gtsmodel.VisibilityPublic:
// if PUBLIC, we want to add public to TO, and followers and mentions to CC
toProp.AppendIRI(publicURI)
ccProp.AppendIRI(authorFollowersURI)
for _, m := range s.GTSMentions {
iri, err := url.Parse(m.GTSAccount.URI)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error parsing uri %s: %s", m.GTSAccount.URI, err)
}
ccProp.AppendIRI(iri)
}
}
status.SetActivityStreamsTo(toProp)
status.SetActivityStreamsCc(ccProp)
// conversation
// TODO
// content -- the actual post itself
contentProp := streams.NewActivityStreamsContentProperty()
contentProp.AppendXMLSchemaString(s.Content)
status.SetActivityStreamsContent(contentProp)
// attachment
attachmentProp := streams.NewActivityStreamsAttachmentProperty()
for _, a := range s.GTSMediaAttachments {
doc, err := c.AttachmentToAS(a)
if err != nil {
return nil, fmt.Errorf("StatusToAS: error converting attachment: %s", err)
}
attachmentProp.AppendActivityStreamsDocument(doc)
}
status.SetActivityStreamsAttachment(attachmentProp)
// replies
// TODO
return status, nil
}
func (c *converter) FollowToAS(f *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (vocab.ActivityStreamsFollow, error) {
// parse out the various URIs we need for this
// origin account (who's doing the follow)
originAccountURI, err := url.Parse(originAccount.URI)
if err != nil {
return nil, fmt.Errorf("followtoasfollow: error parsing origin account uri: %s", err)
}
originActor := streams.NewActivityStreamsActorProperty()
originActor.AppendIRI(originAccountURI)
// target account (who's being followed)
targetAccountURI, err := url.Parse(targetAccount.URI)
if err != nil {
return nil, fmt.Errorf("followtoasfollow: error parsing target account uri: %s", err)
}
// uri of the follow activity itself
followURI, err := url.Parse(f.URI)
if err != nil {
return nil, fmt.Errorf("followtoasfollow: error parsing follow uri: %s", err)
}
// start preparing the follow activity
follow := streams.NewActivityStreamsFollow()
// set the actor
follow.SetActivityStreamsActor(originActor)
// set the id
followIDProp := streams.NewJSONLDIdProperty()
followIDProp.SetIRI(followURI)
follow.SetJSONLDId(followIDProp)
// set the object
followObjectProp := streams.NewActivityStreamsObjectProperty()
followObjectProp.AppendIRI(targetAccountURI)
follow.SetActivityStreamsObject(followObjectProp)
// set the To property
followToProp := streams.NewActivityStreamsToProperty()
followToProp.AppendIRI(targetAccountURI)
follow.SetActivityStreamsTo(followToProp)
return follow, nil
}
func (c *converter) MentionToAS(m *gtsmodel.Mention) (vocab.ActivityStreamsMention, error) {
if m.GTSAccount == nil {
a := &gtsmodel.Account{}
if err := c.db.GetWhere([]db.Where{{Key: "target_account_id", Value: m.TargetAccountID}}, a); err != nil {
return nil, fmt.Errorf("MentionToAS: error getting target account from db: %s", err)
}
m.GTSAccount = a
}
// create the mention
mention := streams.NewActivityStreamsMention()
// href -- this should be the URI of the mentioned user
hrefProp := streams.NewActivityStreamsHrefProperty()
hrefURI, err := url.Parse(m.GTSAccount.URI)
if err != nil {
return nil, fmt.Errorf("MentionToAS: error parsing uri %s: %s", m.GTSAccount.URI, err)
}
hrefProp.SetIRI(hrefURI)
mention.SetActivityStreamsHref(hrefProp)
// name -- this should be the namestring of the mentioned user, something like @whatever@example.org
var domain string
if m.GTSAccount.Domain == "" {
domain = c.config.Host
} else {
domain = m.GTSAccount.Domain
}
username := m.GTSAccount.Username
nameString := fmt.Sprintf("@%s@%s", username, domain)
nameProp := streams.NewActivityStreamsNameProperty()
nameProp.AppendXMLSchemaString(nameString)
mention.SetActivityStreamsName(nameProp)
return mention, nil
}
func (c *converter) AttachmentToAS(a *gtsmodel.MediaAttachment) (vocab.ActivityStreamsDocument, error) {
// type -- Document
doc := streams.NewActivityStreamsDocument()
// mediaType aka mime content type
mediaTypeProp := streams.NewActivityStreamsMediaTypeProperty()
mediaTypeProp.Set(a.File.ContentType)
doc.SetActivityStreamsMediaType(mediaTypeProp)
// url -- for the original image not the thumbnail
urlProp := streams.NewActivityStreamsUrlProperty()
imageURL, err := url.Parse(a.URL)
if err != nil {
return nil, fmt.Errorf("AttachmentToAS: error parsing uri %s: %s", a.URL, err)
}
urlProp.AppendIRI(imageURL)
doc.SetActivityStreamsUrl(urlProp)
// name -- aka image description
nameProp := streams.NewActivityStreamsNameProperty()
nameProp.AppendXMLSchemaString(a.Description)
doc.SetActivityStreamsName(nameProp)
// blurhash
blurProp := streams.NewTootBlurhashProperty()
blurProp.Set(a.Blurhash)
doc.SetTootBlurhash(blurProp)
// focalpoint
// TODO
return doc, nil
}
/*
We want to end up with something like this:
{
"@context": "https://www.w3.org/ns/activitystreams",
"actor": "https://ondergrond.org/users/dumpsterqueer",
"id": "https://ondergrond.org/users/dumpsterqueer#likes/44584",
"object": "https://testingtesting123.xyz/users/gotosocial_test_account/statuses/771aea80-a33d-4d6d-8dfd-57d4d2bfcbd4",
"type": "Like"
}
*/
func (c *converter) FaveToAS(f *gtsmodel.StatusFave) (vocab.ActivityStreamsLike, error) {
// check if targetStatus is already pinned to this fave, and fetch it if not
if f.GTSStatus == nil {
s := &gtsmodel.Status{}
if err := c.db.GetByID(f.StatusID, s); err != nil {
return nil, fmt.Errorf("FaveToAS: error fetching target status from database: %s", err)
}
f.GTSStatus = s
}
// check if the targetAccount is already pinned to this fave, and fetch it if not
if f.GTSTargetAccount == nil {
a := &gtsmodel.Account{}
if err := c.db.GetByID(f.TargetAccountID, a); err != nil {
return nil, fmt.Errorf("FaveToAS: error fetching target account from database: %s", err)
}
f.GTSTargetAccount = a
}
// check if the faving account is already pinned to this fave, and fetch it if not
if f.GTSFavingAccount == nil {
a := &gtsmodel.Account{}
if err := c.db.GetByID(f.AccountID, a); err != nil {
return nil, fmt.Errorf("FaveToAS: error fetching faving account from database: %s", err)
}
f.GTSFavingAccount = a
}
// create the like
like := streams.NewActivityStreamsLike()
// set the actor property to the fave-ing account's URI
actorProp := streams.NewActivityStreamsActorProperty()
actorIRI, err := url.Parse(f.GTSFavingAccount.URI)
if err != nil {
return nil, fmt.Errorf("FaveToAS: error parsing uri %s: %s", f.GTSFavingAccount.URI, err)
}
actorProp.AppendIRI(actorIRI)
like.SetActivityStreamsActor(actorProp)
// set the ID property to the fave's URI
idProp := streams.NewJSONLDIdProperty()
idIRI, err := url.Parse(f.URI)
if err != nil {
return nil, fmt.Errorf("FaveToAS: error parsing uri %s: %s", f.URI, err)
}
idProp.Set(idIRI)
like.SetJSONLDId(idProp)
// set the object property to the target status's URI
objectProp := streams.NewActivityStreamsObjectProperty()
statusIRI, err := url.Parse(f.GTSStatus.URI)
if err != nil {
return nil, fmt.Errorf("FaveToAS: error parsing uri %s: %s", f.GTSStatus.URI, err)
}
objectProp.AppendIRI(statusIRI)
like.SetActivityStreamsObject(objectProp)
// set the TO property to the target account's IRI
toProp := streams.NewActivityStreamsToProperty()
toIRI, err := url.Parse(f.GTSTargetAccount.URI)
if err != nil {
return nil, fmt.Errorf("FaveToAS: error parsing uri %s: %s", f.GTSTargetAccount.URI, err)
}
toProp.AppendIRI(toIRI)
like.SetActivityStreamsTo(toProp)
return like, nil
}
func (c *converter) BoostToAS(boostWrapperStatus *gtsmodel.Status, boostingAccount *gtsmodel.Account, boostedAccount *gtsmodel.Account) (vocab.ActivityStreamsAnnounce, error) {
// the boosted status is probably pinned to the boostWrapperStatus but double check to make sure
if boostWrapperStatus.GTSBoostedStatus == nil {
b := &gtsmodel.Status{}
if err := c.db.GetByID(boostWrapperStatus.BoostOfID, b); err != nil {
return nil, fmt.Errorf("BoostToAS: error getting status with ID %s from the db: %s", boostWrapperStatus.BoostOfID, err)
}
boostWrapperStatus = b
}
// create the announce
announce := streams.NewActivityStreamsAnnounce()
// set the actor
boosterURI, err := url.Parse(boostingAccount.URI)
if err != nil {
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", boostingAccount.URI, err)
}
actorProp := streams.NewActivityStreamsActorProperty()
actorProp.AppendIRI(boosterURI)
announce.SetActivityStreamsActor(actorProp)
// set the ID
boostIDURI, err := url.Parse(boostWrapperStatus.URI)
if err != nil {
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", boostWrapperStatus.URI, err)
}
idProp := streams.NewJSONLDIdProperty()
idProp.SetIRI(boostIDURI)
announce.SetJSONLDId(idProp)
// set the object
boostedStatusURI, err := url.Parse(boostWrapperStatus.GTSBoostedStatus.URI)
if err != nil {
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", boostWrapperStatus.GTSBoostedStatus.URI, err)
}
objectProp := streams.NewActivityStreamsObjectProperty()
objectProp.AppendIRI(boostedStatusURI)
announce.SetActivityStreamsObject(objectProp)
// set the published time
publishedProp := streams.NewActivityStreamsPublishedProperty()
publishedProp.Set(boostWrapperStatus.CreatedAt)
announce.SetActivityStreamsPublished(publishedProp)
// set the to
followersURI, err := url.Parse(boostingAccount.FollowersURI)
if err != nil {
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", boostingAccount.FollowersURI, err)
}
toProp := streams.NewActivityStreamsToProperty()
toProp.AppendIRI(followersURI)
announce.SetActivityStreamsTo(toProp)
// set the cc
boostedURI, err := url.Parse(boostedAccount.URI)
if err != nil {
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", boostedAccount.URI, err)
}
publicURI, err := url.Parse(asPublicURI)
if err != nil {
return nil, fmt.Errorf("BoostToAS: error parsing uri %s: %s", asPublicURI, err)
}
ccProp := streams.NewActivityStreamsCcProperty()
ccProp.AppendIRI(boostedURI)
ccProp.AppendIRI(publicURI)
announce.SetActivityStreamsCc(ccProp)
return announce, nil
}