mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-11 16:20:16 +01:00
9dc2255a8f
* bun debug * bun trace logging hooks * more tests * fix up some stuffffff * drop the frontend cache until a proper fix is made * go fmt
196 lines
12 KiB
Go
196 lines
12 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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package typeutils
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import (
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"context"
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"net/url"
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"github.com/go-fed/activity/streams/vocab"
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"github.com/sirupsen/logrus"
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"github.com/superseriousbusiness/gotosocial/internal/ap"
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"github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/cache"
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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/gtsmodel"
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)
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const (
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asPublicURI = "https://www.w3.org/ns/activitystreams#Public"
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)
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// TypeConverter is an interface for the common action of converting between apimodule (frontend, serializable) models,
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// internal gts models used in the database, and activitypub models used in federation.
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//
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// It requires access to the database because many of the conversions require pulling out database entries and counting them etc.
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// That said, it *absolutely should not* manipulate database entries in any way, only examine them.
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type TypeConverter interface {
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/*
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INTERNAL (gts) MODEL TO FRONTEND (mastodon) MODEL
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*/
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// AccountToMastoSensitive takes a db model account as a param, and returns a populated mastotype account, or an error
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// if something goes wrong. The returned account should be ready to serialize on an API level, and may have sensitive fields,
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// so serve it only to an authorized user who should have permission to see it.
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AccountToMastoSensitive(ctx context.Context, account *gtsmodel.Account) (*model.Account, error)
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// AccountToMastoPublic takes a db model account as a param, and returns a populated mastotype account, or an error
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// if something goes wrong. The returned account should be ready to serialize on an API level, and may NOT have sensitive fields.
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// In other words, this is the public record that the server has of an account.
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AccountToMastoPublic(ctx context.Context, account *gtsmodel.Account) (*model.Account, error)
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// AccountToMastoBlocked takes a db model account as a param, and returns a mastotype account, or an error if
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// something goes wrong. The returned account will be a bare minimum representation of the account. This function should be used
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// when someone wants to view an account they've blocked.
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AccountToMastoBlocked(ctx context.Context, account *gtsmodel.Account) (*model.Account, error)
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// AppToMastoSensitive takes a db model application as a param, and returns a populated mastotype application, or an error
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// if something goes wrong. The returned application should be ready to serialize on an API level, and may have sensitive fields
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// (such as client id and client secret), so serve it only to an authorized user who should have permission to see it.
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AppToMastoSensitive(ctx context.Context, application *gtsmodel.Application) (*model.Application, error)
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// AppToMastoPublic takes a db model application as a param, and returns a populated mastotype application, or an error
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// if something goes wrong. The returned application should be ready to serialize on an API level, and has sensitive
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// fields sanitized so that it can be served to non-authorized accounts without revealing any private information.
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AppToMastoPublic(ctx context.Context, application *gtsmodel.Application) (*model.Application, error)
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// AttachmentToMasto converts a gts model media attacahment into its mastodon representation for serialization on the API.
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AttachmentToMasto(ctx context.Context, attachment *gtsmodel.MediaAttachment) (model.Attachment, error)
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// MentionToMasto converts a gts model mention into its mastodon (frontend) representation for serialization on the API.
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MentionToMasto(ctx context.Context, m *gtsmodel.Mention) (model.Mention, error)
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// EmojiToMasto converts a gts model emoji into its mastodon (frontend) representation for serialization on the API.
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EmojiToMasto(ctx context.Context, e *gtsmodel.Emoji) (model.Emoji, error)
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// TagToMasto converts a gts model tag into its mastodon (frontend) representation for serialization on the API.
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TagToMasto(ctx context.Context, t *gtsmodel.Tag) (model.Tag, error)
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// StatusToMasto converts a gts model status into its mastodon (frontend) representation for serialization on the API.
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//
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// Requesting account can be nil.
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StatusToMasto(ctx context.Context, s *gtsmodel.Status, requestingAccount *gtsmodel.Account) (*model.Status, error)
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// VisToMasto converts a gts visibility into its mastodon equivalent
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VisToMasto(ctx context.Context, m gtsmodel.Visibility) model.Visibility
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// InstanceToMasto converts a gts instance into its mastodon equivalent for serving at /api/v1/instance
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InstanceToMasto(ctx context.Context, i *gtsmodel.Instance) (*model.Instance, error)
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// RelationshipToMasto converts a gts relationship into its mastodon equivalent for serving in various places
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RelationshipToMasto(ctx context.Context, r *gtsmodel.Relationship) (*model.Relationship, error)
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// NotificationToMasto converts a gts notification into a mastodon notification
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NotificationToMasto(ctx context.Context, n *gtsmodel.Notification) (*model.Notification, error)
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// DomainBlockTomasto converts a gts model domin block into a mastodon domain block, for serving at /api/v1/admin/domain_blocks
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DomainBlockToMasto(ctx context.Context, b *gtsmodel.DomainBlock, export bool) (*model.DomainBlock, error)
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/*
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FRONTEND (mastodon) MODEL TO INTERNAL (gts) MODEL
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*/
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// MastoVisToVis converts a mastodon visibility into its gts equivalent.
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MastoVisToVis(m model.Visibility) gtsmodel.Visibility
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/*
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ACTIVITYSTREAMS MODEL TO INTERNAL (gts) MODEL
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*/
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// ASPersonToAccount converts a remote account/person/application representation into a gts model account.
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//
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// If update is false, and the account is already known in the database, then the existing account entry will be returned.
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// If update is true, then even if the account is already known, all fields in the accountable will be parsed and a new *gtsmodel.Account
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// will be generated. This is useful when one needs to force refresh of an account, eg., during an Update of a Profile.
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ASRepresentationToAccount(ctx context.Context, accountable ap.Accountable, update bool) (*gtsmodel.Account, error)
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// ASStatus converts a remote activitystreams 'status' representation into a gts model status.
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ASStatusToStatus(ctx context.Context, statusable ap.Statusable) (*gtsmodel.Status, error)
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// ASFollowToFollowRequest converts a remote activitystreams `follow` representation into gts model follow request.
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ASFollowToFollowRequest(ctx context.Context, followable ap.Followable) (*gtsmodel.FollowRequest, error)
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// ASFollowToFollowRequest converts a remote activitystreams `follow` representation into gts model follow.
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ASFollowToFollow(ctx context.Context, followable ap.Followable) (*gtsmodel.Follow, error)
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// ASLikeToFave converts a remote activitystreams 'like' representation into a gts model status fave.
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ASLikeToFave(ctx context.Context, likeable ap.Likeable) (*gtsmodel.StatusFave, error)
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// ASBlockToBlock converts a remote activity streams 'block' representation into a gts model block.
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ASBlockToBlock(ctx context.Context, blockable ap.Blockable) (*gtsmodel.Block, error)
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// ASAnnounceToStatus converts an activitystreams 'announce' into a status.
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//
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// The returned bool indicates whether this status is new (true) or not new (false).
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//
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// In other words, if the status is already in the database with the ID set on the announceable, then that will be returned,
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// the returned bool will be false, and no further processing is necessary. If the returned bool is true, indicating
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// that this is a new announce, then further processing will be necessary, because the returned status will be bareboned and
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// require further dereferencing.
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//
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// This is useful when multiple users on an instance might receive the same boost, and we only want to process the boost once.
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//
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// NOTE -- this is different from one status being boosted multiple times! In this case, new boosts should indeed be created.
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ASAnnounceToStatus(ctx context.Context, announceable ap.Announceable) (status *gtsmodel.Status, new bool, err error)
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/*
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INTERNAL (gts) MODEL TO ACTIVITYSTREAMS MODEL
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*/
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// AccountToAS converts a gts model account into an activity streams person, suitable for federation
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AccountToAS(ctx context.Context, a *gtsmodel.Account) (vocab.ActivityStreamsPerson, error)
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// AccountToASMinimal converts a gts model account into an activity streams person, suitable for federation.
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//
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// The returned account will just have the Type, Username, PublicKey, and ID properties set. This is
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// suitable for serving to requesters to whom we want to give as little information as possible because
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// we don't trust them (yet).
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AccountToASMinimal(ctx context.Context, a *gtsmodel.Account) (vocab.ActivityStreamsPerson, error)
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// StatusToAS converts a gts model status into an activity streams note, suitable for federation
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StatusToAS(ctx context.Context, s *gtsmodel.Status) (vocab.ActivityStreamsNote, error)
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// FollowToASFollow converts a gts model Follow into an activity streams Follow, suitable for federation
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FollowToAS(ctx context.Context, f *gtsmodel.Follow, originAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (vocab.ActivityStreamsFollow, error)
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// MentionToAS converts a gts model mention into an activity streams Mention, suitable for federation
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MentionToAS(ctx context.Context, m *gtsmodel.Mention) (vocab.ActivityStreamsMention, error)
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// AttachmentToAS converts a gts model media attachment into an activity streams Attachment, suitable for federation
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AttachmentToAS(ctx context.Context, a *gtsmodel.MediaAttachment) (vocab.ActivityStreamsDocument, error)
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// FaveToAS converts a gts model status fave into an activityStreams LIKE, suitable for federation.
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FaveToAS(ctx context.Context, f *gtsmodel.StatusFave) (vocab.ActivityStreamsLike, error)
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// BoostToAS converts a gts model boost into an activityStreams ANNOUNCE, suitable for federation
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BoostToAS(ctx context.Context, boostWrapperStatus *gtsmodel.Status, boostingAccount *gtsmodel.Account, boostedAccount *gtsmodel.Account) (vocab.ActivityStreamsAnnounce, error)
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// BlockToAS converts a gts model block into an activityStreams BLOCK, suitable for federation.
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BlockToAS(ctx context.Context, block *gtsmodel.Block) (vocab.ActivityStreamsBlock, error)
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// StatusToASRepliesCollection converts a gts model status into an activityStreams REPLIES collection.
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StatusToASRepliesCollection(ctx context.Context, status *gtsmodel.Status, onlyOtherAccounts bool) (vocab.ActivityStreamsCollection, error)
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// StatusURIsToASRepliesPage returns a collection page with appropriate next/part of pagination.
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StatusURIsToASRepliesPage(ctx context.Context, status *gtsmodel.Status, onlyOtherAccounts bool, minID string, replies map[string]*url.URL) (vocab.ActivityStreamsCollectionPage, error)
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/*
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INTERNAL (gts) MODEL TO INTERNAL MODEL
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*/
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// FollowRequestToFollow just converts a follow request into a follow, that's it! No bells and whistles.
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FollowRequestToFollow(ctx context.Context, f *gtsmodel.FollowRequest) *gtsmodel.Follow
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// StatusToBoost wraps the given status into a boosting status.
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StatusToBoost(ctx context.Context, s *gtsmodel.Status, boostingAccount *gtsmodel.Account) (*gtsmodel.Status, error)
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/*
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WRAPPER CONVENIENCE FUNCTIONS
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*/
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// WrapPersonInUpdate
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WrapPersonInUpdate(person vocab.ActivityStreamsPerson, originAccount *gtsmodel.Account) (vocab.ActivityStreamsUpdate, error)
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}
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type converter struct {
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config *config.Config
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db db.DB
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log *logrus.Logger
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asCache cache.Cache
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}
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// NewConverter returns a new Converter
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func NewConverter(config *config.Config, db db.DB, log *logrus.Logger) TypeConverter {
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return &converter{
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config: config,
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db: db,
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log: log,
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asCache: cache.New(),
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}
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}
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