mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-23 10:42:12 +00:00
226 lines
16 KiB
Go
226 lines
16 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021-2023 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 (
|
|
"context"
|
|
"net/url"
|
|
"sync"
|
|
|
|
"github.com/gorilla/feeds"
|
|
"github.com/superseriousbusiness/activity/streams/vocab"
|
|
"github.com/superseriousbusiness/gotosocial/internal/ap"
|
|
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
|
|
"github.com/superseriousbusiness/gotosocial/internal/db"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
)
|
|
|
|
// 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.
|
|
//
|
|
// It requires access to the database because many of the conversions require pulling out database entries and counting them etc.
|
|
// That said, it *absolutely should not* manipulate database entries in any way, only examine them.
|
|
type TypeConverter interface {
|
|
/*
|
|
INTERNAL (gts) MODEL TO FRONTEND (api) MODEL
|
|
*/
|
|
|
|
// AccountToAPIAccountSensitive takes a db model account as a param, and returns a populated apitype account, or an error
|
|
// if something goes wrong. The returned account should be ready to serialize on an API level, and may have sensitive fields,
|
|
// so serve it only to an authorized user who should have permission to see it.
|
|
AccountToAPIAccountSensitive(ctx context.Context, account *gtsmodel.Account) (*apimodel.Account, error)
|
|
// AccountToAPIAccountPublic takes a db model account as a param, and returns a populated apitype account, or an error
|
|
// if something goes wrong. The returned account should be ready to serialize on an API level, and may NOT have sensitive fields.
|
|
// In other words, this is the public record that the server has of an account.
|
|
AccountToAPIAccountPublic(ctx context.Context, account *gtsmodel.Account) (*apimodel.Account, error)
|
|
// AccountToAPIAccountBlocked takes a db model account as a param, and returns a apitype account, or an error if
|
|
// something goes wrong. The returned account will be a bare minimum representation of the account. This function should be used
|
|
// when someone wants to view an account they've blocked.
|
|
AccountToAPIAccountBlocked(ctx context.Context, account *gtsmodel.Account) (*apimodel.Account, error)
|
|
// AppToAPIAppSensitive takes a db model application as a param, and returns a populated apitype application, or an error
|
|
// if something goes wrong. The returned application should be ready to serialize on an API level, and may have sensitive fields
|
|
// (such as client id and client secret), so serve it only to an authorized user who should have permission to see it.
|
|
AppToAPIAppSensitive(ctx context.Context, application *gtsmodel.Application) (*apimodel.Application, error)
|
|
// AppToAPIAppPublic takes a db model application as a param, and returns a populated apitype application, or an error
|
|
// if something goes wrong. The returned application should be ready to serialize on an API level, and has sensitive
|
|
// fields sanitized so that it can be served to non-authorized accounts without revealing any private information.
|
|
AppToAPIAppPublic(ctx context.Context, application *gtsmodel.Application) (*apimodel.Application, error)
|
|
// AttachmentToAPIAttachment converts a gts model media attacahment into its api representation for serialization on the API.
|
|
AttachmentToAPIAttachment(ctx context.Context, attachment *gtsmodel.MediaAttachment) (apimodel.Attachment, error)
|
|
// MentionToAPIMention converts a gts model mention into its api (frontend) representation for serialization on the API.
|
|
MentionToAPIMention(ctx context.Context, m *gtsmodel.Mention) (apimodel.Mention, error)
|
|
// EmojiToAPIEmoji converts a gts model emoji into its api (frontend) representation for serialization on the API.
|
|
EmojiToAPIEmoji(ctx context.Context, e *gtsmodel.Emoji) (apimodel.Emoji, error)
|
|
// EmojiToAdminAPIEmoji converts a gts model emoji into an API representation with extra admin information.
|
|
EmojiToAdminAPIEmoji(ctx context.Context, e *gtsmodel.Emoji) (*apimodel.AdminEmoji, error)
|
|
// EmojiCategoryToAPIEmojiCategory converts a gts model emoji category into its api (frontend) representation.
|
|
EmojiCategoryToAPIEmojiCategory(ctx context.Context, category *gtsmodel.EmojiCategory) (*apimodel.EmojiCategory, error)
|
|
// TagToAPITag converts a gts model tag into its api (frontend) representation for serialization on the API.
|
|
TagToAPITag(ctx context.Context, t *gtsmodel.Tag) (apimodel.Tag, error)
|
|
// StatusToAPIStatus converts a gts model status into its api (frontend) representation for serialization on the API.
|
|
//
|
|
// Requesting account can be nil.
|
|
StatusToAPIStatus(ctx context.Context, s *gtsmodel.Status, requestingAccount *gtsmodel.Account) (*apimodel.Status, error)
|
|
// VisToAPIVis converts a gts visibility into its api equivalent
|
|
VisToAPIVis(ctx context.Context, m gtsmodel.Visibility) apimodel.Visibility
|
|
// InstanceToAPIV1Instance converts a gts instance into its api equivalent for serving at /api/v1/instance
|
|
InstanceToAPIV1Instance(ctx context.Context, i *gtsmodel.Instance) (*apimodel.InstanceV1, error)
|
|
// InstanceToAPIV2Instance converts a gts instance into its api equivalent for serving at /api/v2/instance
|
|
InstanceToAPIV2Instance(ctx context.Context, i *gtsmodel.Instance) (*apimodel.InstanceV2, error)
|
|
// RelationshipToAPIRelationship converts a gts relationship into its api equivalent for serving in various places
|
|
RelationshipToAPIRelationship(ctx context.Context, r *gtsmodel.Relationship) (*apimodel.Relationship, error)
|
|
// NotificationToAPINotification converts a gts notification into a api notification
|
|
NotificationToAPINotification(ctx context.Context, n *gtsmodel.Notification) (*apimodel.Notification, error)
|
|
// DomainBlockToAPIDomainBlock converts a gts model domin block into a api domain block, for serving at /api/v1/admin/domain_blocks
|
|
DomainBlockToAPIDomainBlock(ctx context.Context, b *gtsmodel.DomainBlock, export bool) (*apimodel.DomainBlock, error)
|
|
// ReportToAPIReport converts a gts model report into an api model report, for serving at /api/v1/reports
|
|
ReportToAPIReport(ctx context.Context, r *gtsmodel.Report) (*apimodel.Report, error)
|
|
// ReportToAdminAPIReport converts a gts model report into an admin view report, for serving at /api/v1/admin/reports
|
|
ReportToAdminAPIReport(ctx context.Context, r *gtsmodel.Report, requestingAccount *gtsmodel.Account) (*apimodel.AdminReport, error)
|
|
|
|
/*
|
|
INTERNAL (gts) MODEL TO FRONTEND (rss) MODEL
|
|
*/
|
|
|
|
StatusToRSSItem(ctx context.Context, s *gtsmodel.Status) (*feeds.Item, error)
|
|
|
|
/*
|
|
ACTIVITYSTREAMS MODEL TO INTERNAL (gts) MODEL
|
|
*/
|
|
|
|
// ASRepresentationToAccount converts a remote account/person/application representation into a gts model account.
|
|
//
|
|
// If accountDomain is provided then this value will be used as the account's Domain, else the AP ID host.
|
|
ASRepresentationToAccount(ctx context.Context, accountable ap.Accountable, accountDomain string) (*gtsmodel.Account, error)
|
|
// ASStatus converts a remote activitystreams 'status' representation into a gts model status.
|
|
ASStatusToStatus(ctx context.Context, statusable ap.Statusable) (*gtsmodel.Status, error)
|
|
// ASFollowToFollowRequest converts a remote activitystreams `follow` representation into gts model follow request.
|
|
ASFollowToFollowRequest(ctx context.Context, followable ap.Followable) (*gtsmodel.FollowRequest, error)
|
|
// ASFollowToFollowRequest converts a remote activitystreams `follow` representation into gts model follow.
|
|
ASFollowToFollow(ctx context.Context, followable ap.Followable) (*gtsmodel.Follow, error)
|
|
// ASLikeToFave converts a remote activitystreams 'like' representation into a gts model status fave.
|
|
ASLikeToFave(ctx context.Context, likeable ap.Likeable) (*gtsmodel.StatusFave, error)
|
|
// ASBlockToBlock converts a remote activity streams 'block' representation into a gts model block.
|
|
ASBlockToBlock(ctx context.Context, blockable ap.Blockable) (*gtsmodel.Block, error)
|
|
// ASAnnounceToStatus converts an activitystreams 'announce' into a status.
|
|
//
|
|
// The returned bool indicates whether this status is new (true) or not new (false).
|
|
//
|
|
// In other words, if the status is already in the database with the ID set on the announceable, then that will be returned,
|
|
// the returned bool will be false, and no further processing is necessary. If the returned bool is true, indicating
|
|
// that this is a new announce, then further processing will be necessary, because the returned status will be bareboned and
|
|
// require further dereferencing.
|
|
//
|
|
// This is useful when multiple users on an instance might receive the same boost, and we only want to process the boost once.
|
|
//
|
|
// NOTE -- this is different from one status being boosted multiple times! In this case, new boosts should indeed be created.
|
|
ASAnnounceToStatus(ctx context.Context, announceable ap.Announceable) (status *gtsmodel.Status, new bool, err error)
|
|
// ASFlagToReport converts a remote activitystreams 'flag' representation into a gts model report.
|
|
ASFlagToReport(ctx context.Context, flaggable ap.Flaggable) (report *gtsmodel.Report, err error)
|
|
|
|
/*
|
|
INTERNAL (gts) MODEL TO ACTIVITYSTREAMS MODEL
|
|
*/
|
|
|
|
// AccountToAS converts a gts model account into an activity streams person, suitable for federation
|
|
AccountToAS(ctx context.Context, a *gtsmodel.Account) (vocab.ActivityStreamsPerson, error)
|
|
// AccountToASMinimal converts a gts model account into an activity streams person, suitable for federation.
|
|
//
|
|
// The returned account will just have the Type, Username, PublicKey, and ID properties set. This is
|
|
// suitable for serving to requesters to whom we want to give as little information as possible because
|
|
// we don't trust them (yet).
|
|
AccountToASMinimal(ctx context.Context, a *gtsmodel.Account) (vocab.ActivityStreamsPerson, error)
|
|
// StatusToAS converts a gts model status into an activity streams note, suitable for federation
|
|
StatusToAS(ctx context.Context, s *gtsmodel.Status) (vocab.ActivityStreamsNote, error)
|
|
// StatusToASDelete converts a gts model status into a Delete of that status, using just the
|
|
// URI of the status as object, and addressing the Delete appropriately.
|
|
StatusToASDelete(ctx context.Context, status *gtsmodel.Status) (vocab.ActivityStreamsDelete, error)
|
|
// FollowToASFollow converts a gts model Follow into an activity streams Follow, suitable for federation
|
|
FollowToAS(ctx context.Context, f *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (vocab.ActivityStreamsFollow, error)
|
|
// MentionToAS converts a gts model mention into an activity streams Mention, suitable for federation
|
|
MentionToAS(ctx context.Context, m *gtsmodel.Mention) (vocab.ActivityStreamsMention, error)
|
|
// EmojiToAS converts a gts emoji into a mastodon ns Emoji, suitable for federation
|
|
EmojiToAS(ctx context.Context, e *gtsmodel.Emoji) (vocab.TootEmoji, error)
|
|
// AttachmentToAS converts a gts model media attachment into an activity streams Attachment, suitable for federation
|
|
AttachmentToAS(ctx context.Context, a *gtsmodel.MediaAttachment) (vocab.ActivityStreamsDocument, error)
|
|
// FaveToAS converts a gts model status fave into an activityStreams LIKE, suitable for federation.
|
|
FaveToAS(ctx context.Context, f *gtsmodel.StatusFave) (vocab.ActivityStreamsLike, error)
|
|
// BoostToAS converts a gts model boost into an activityStreams ANNOUNCE, suitable for federation
|
|
BoostToAS(ctx context.Context, boostWrapperStatus *gtsmodel.Status, boostingAccount *gtsmodel.Account, boostedAccount *gtsmodel.Account) (vocab.ActivityStreamsAnnounce, error)
|
|
// BlockToAS converts a gts model block into an activityStreams BLOCK, suitable for federation.
|
|
BlockToAS(ctx context.Context, block *gtsmodel.Block) (vocab.ActivityStreamsBlock, error)
|
|
// StatusToASRepliesCollection converts a gts model status into an activityStreams REPLIES collection.
|
|
StatusToASRepliesCollection(ctx context.Context, status *gtsmodel.Status, onlyOtherAccounts bool) (vocab.ActivityStreamsCollection, error)
|
|
// StatusURIsToASRepliesPage returns a collection page with appropriate next/part of pagination.
|
|
StatusURIsToASRepliesPage(ctx context.Context, status *gtsmodel.Status, onlyOtherAccounts bool, minID string, replies map[string]*url.URL) (vocab.ActivityStreamsCollectionPage, error)
|
|
// OutboxToASCollection returns an ordered collection with appropriate id, next, and last fields.
|
|
// The returned collection won't have any actual entries; just links to where entries can be obtained.
|
|
OutboxToASCollection(ctx context.Context, outboxID string) (vocab.ActivityStreamsOrderedCollection, error)
|
|
// StatusesToASOutboxPage returns an ordered collection page using the given statuses and parameters as contents.
|
|
//
|
|
// The maxID and minID should be the parameters that were passed to the database to obtain the given statuses.
|
|
// These will be used to create the 'id' field of the collection.
|
|
//
|
|
// OutboxID is used to create the 'partOf' field in the collection.
|
|
//
|
|
// Appropriate 'next' and 'prev' fields will be created based on the highest and lowest IDs present in the statuses slice.
|
|
StatusesToASOutboxPage(ctx context.Context, outboxID string, maxID string, minID string, statuses []*gtsmodel.Status) (vocab.ActivityStreamsOrderedCollectionPage, error)
|
|
// StatusesToASFeaturedCollection converts a slice of statuses into an ordered collection
|
|
// of URIs, suitable for serializing and serving via the activitypub API.
|
|
StatusesToASFeaturedCollection(ctx context.Context, featuredCollectionID string, statuses []*gtsmodel.Status) (vocab.ActivityStreamsOrderedCollection, error)
|
|
// ReportToASFlag converts a gts model report into an activitystreams FLAG, suitable for federation.
|
|
ReportToASFlag(ctx context.Context, r *gtsmodel.Report) (vocab.ActivityStreamsFlag, error)
|
|
|
|
/*
|
|
INTERNAL (gts) MODEL TO INTERNAL MODEL
|
|
*/
|
|
|
|
// FollowRequestToFollow just converts a follow request into a follow, that's it! No bells and whistles.
|
|
FollowRequestToFollow(ctx context.Context, f *gtsmodel.FollowRequest) *gtsmodel.Follow
|
|
// StatusToBoost wraps the given status into a boosting status.
|
|
StatusToBoost(ctx context.Context, s *gtsmodel.Status, boostingAccount *gtsmodel.Account) (*gtsmodel.Status, error)
|
|
|
|
/*
|
|
WRAPPER CONVENIENCE FUNCTIONS
|
|
*/
|
|
|
|
// WrapPersonInUpdate
|
|
WrapPersonInUpdate(person vocab.ActivityStreamsPerson, originAccount *gtsmodel.Account) (vocab.ActivityStreamsUpdate, error)
|
|
// WrapNoteInCreate wraps a Note with a Create activity.
|
|
//
|
|
// If objectIRIOnly is set to true, then the function won't put the *entire* note in the Object field of the Create,
|
|
// but just the AP URI of the note. This is useful in cases where you want to give a remote server something to dereference,
|
|
// and still have control over whether or not they're allowed to actually see the contents.
|
|
WrapNoteInCreate(note vocab.ActivityStreamsNote, objectIRIOnly bool) (vocab.ActivityStreamsCreate, error)
|
|
}
|
|
|
|
type converter struct {
|
|
db db.DB
|
|
defaultAvatars []string
|
|
randAvatars sync.Map
|
|
}
|
|
|
|
// NewConverter returns a new Converter
|
|
func NewConverter(db db.DB) TypeConverter {
|
|
return &converter{
|
|
db: db,
|
|
defaultAvatars: populateDefaultAvatars(),
|
|
}
|
|
}
|