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	* tidy up timelines a bit + stub out some endpoints * who's faved and who's boosted, reblog notifs * linting * Update progress with new endpoints
		
			
				
	
	
		
			261 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			261 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*
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|    GoToSocial
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|    Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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| 
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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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| 
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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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| 
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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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| 
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| package processing
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| 
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| import (
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| 	"context"
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| 	"net/http"
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| 
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| 	"github.com/sirupsen/logrus"
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| 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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| 	"github.com/superseriousbusiness/gotosocial/internal/blob"
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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/federation"
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| 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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| 	"github.com/superseriousbusiness/gotosocial/internal/media"
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| 	"github.com/superseriousbusiness/gotosocial/internal/oauth"
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| 	"github.com/superseriousbusiness/gotosocial/internal/typeutils"
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| )
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| 
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| // Processor should be passed to api modules (see internal/apimodule/...). It is used for
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| // passing messages back and forth from the client API and the federating interface, via channels.
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| // It also contains logic for filtering which messages should end up where.
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| // It is designed to be used asynchronously: the client API and the federating API should just be able to
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| // fire messages into the processor and not wait for a reply before proceeding with other work. This allows
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| // for clean distribution of messages without slowing down the client API and harming the user experience.
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| type Processor interface {
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| 	// ToClientAPI returns a channel for putting in messages that need to go to the gts client API.
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| 	// ToClientAPI() chan gtsmodel.ToClientAPI
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| 	// FromClientAPI returns a channel for putting messages in that come from the client api going to the processor
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| 	FromClientAPI() chan gtsmodel.FromClientAPI
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| 	// ToFederator returns a channel for putting in messages that need to go to the federator (activitypub).
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| 	// ToFederator() chan gtsmodel.ToFederator
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| 	// FromFederator returns a channel for putting messages in that come from the federator (activitypub) going into the processor
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| 	FromFederator() chan gtsmodel.FromFederator
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| 	// Start starts the Processor, reading from its channels and passing messages back and forth.
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| 	Start() error
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| 	// Stop stops the processor cleanly, finishing handling any remaining messages before closing down.
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| 	Stop() error
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| 
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| 	/*
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| 		CLIENT API-FACING PROCESSING FUNCTIONS
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| 		These functions are intended to be called when the API client needs an immediate (ie., synchronous) reply
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| 		to an HTTP request. As such, they will only do the bare-minimum of work necessary to give a properly
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| 		formed reply. For more intensive (and time-consuming) calls, where you don't require an immediate
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| 		response, pass work to the processor using a channel instead.
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| 	*/
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| 
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| 	// AccountCreate processes the given form for creating a new account, returning an oauth token for that account if successful.
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| 	AccountCreate(authed *oauth.Auth, form *apimodel.AccountCreateRequest) (*apimodel.Token, error)
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| 	// AccountGet processes the given request for account information.
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| 	AccountGet(authed *oauth.Auth, targetAccountID string) (*apimodel.Account, error)
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| 	// AccountUpdate processes the update of an account with the given form
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| 	AccountUpdate(authed *oauth.Auth, form *apimodel.UpdateCredentialsRequest) (*apimodel.Account, error)
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| 	// AccountStatusesGet fetches a number of statuses (in time descending order) from the given account, filtered by visibility for
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| 	// the account given in authed.
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| 	AccountStatusesGet(authed *oauth.Auth, targetAccountID string, limit int, excludeReplies bool, maxID string, pinned bool, mediaOnly bool) ([]apimodel.Status, ErrorWithCode)
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| 	// AccountFollowersGet fetches a list of the target account's followers.
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| 	AccountFollowersGet(authed *oauth.Auth, targetAccountID string) ([]apimodel.Account, ErrorWithCode)
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| 	// AccountFollowingGet fetches a list of the accounts that target account is following.
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| 	AccountFollowingGet(authed *oauth.Auth, targetAccountID string) ([]apimodel.Account, ErrorWithCode)
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| 	// AccountRelationshipGet returns a relationship model describing the relationship of the targetAccount to the Authed account.
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| 	AccountRelationshipGet(authed *oauth.Auth, targetAccountID string) (*apimodel.Relationship, ErrorWithCode)
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| 	// AccountFollowCreate handles a follow request to an account, either remote or local.
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| 	AccountFollowCreate(authed *oauth.Auth, form *apimodel.AccountFollowRequest) (*apimodel.Relationship, ErrorWithCode)
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| 	// AccountFollowRemove handles the removal of a follow/follow request to an account, either remote or local.
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| 	AccountFollowRemove(authed *oauth.Auth, targetAccountID string) (*apimodel.Relationship, ErrorWithCode)
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| 
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| 	// AdminEmojiCreate handles the creation of a new instance emoji by an admin, using the given form.
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| 	AdminEmojiCreate(authed *oauth.Auth, form *apimodel.EmojiCreateRequest) (*apimodel.Emoji, error)
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| 
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| 	// AppCreate processes the creation of a new API application
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| 	AppCreate(authed *oauth.Auth, form *apimodel.ApplicationCreateRequest) (*apimodel.Application, error)
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| 
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| 	// FileGet handles the fetching of a media attachment file via the fileserver.
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| 	FileGet(authed *oauth.Auth, form *apimodel.GetContentRequestForm) (*apimodel.Content, error)
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| 
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| 	// FollowRequestsGet handles the getting of the authed account's incoming follow requests
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| 	FollowRequestsGet(auth *oauth.Auth) ([]apimodel.Account, ErrorWithCode)
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| 	// FollowRequestAccept handles the acceptance of a follow request from the given account ID
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| 	FollowRequestAccept(auth *oauth.Auth, accountID string) (*apimodel.Relationship, ErrorWithCode)
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| 
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| 	// InstanceGet retrieves instance information for serving at api/v1/instance
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| 	InstanceGet(domain string) (*apimodel.Instance, ErrorWithCode)
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| 
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| 	// MediaCreate handles the creation of a media attachment, using the given form.
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| 	MediaCreate(authed *oauth.Auth, form *apimodel.AttachmentRequest) (*apimodel.Attachment, error)
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| 	// MediaGet handles the GET of a media attachment with the given ID
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| 	MediaGet(authed *oauth.Auth, attachmentID string) (*apimodel.Attachment, ErrorWithCode)
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| 	// MediaUpdate handles the PUT of a media attachment with the given ID and form
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| 	MediaUpdate(authed *oauth.Auth, attachmentID string, form *apimodel.AttachmentUpdateRequest) (*apimodel.Attachment, ErrorWithCode)
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| 
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| 	// NotificationsGet
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| 	NotificationsGet(authed *oauth.Auth, limit int, maxID string, sinceID string) ([]*apimodel.Notification, ErrorWithCode)
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| 
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| 	// SearchGet performs a search with the given params, resolving/dereferencing remotely as desired
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| 	SearchGet(authed *oauth.Auth, searchQuery *apimodel.SearchQuery) (*apimodel.SearchResult, ErrorWithCode)
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| 
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| 	// StatusCreate processes the given form to create a new status, returning the api model representation of that status if it's OK.
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| 	StatusCreate(authed *oauth.Auth, form *apimodel.AdvancedStatusCreateForm) (*apimodel.Status, error)
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| 	// StatusDelete processes the delete of a given status, returning the deleted status if the delete goes through.
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| 	StatusDelete(authed *oauth.Auth, targetStatusID string) (*apimodel.Status, error)
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| 	// StatusFave processes the faving of a given status, returning the updated status if the fave goes through.
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| 	StatusFave(authed *oauth.Auth, targetStatusID string) (*apimodel.Status, error)
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| 	// StatusBoost processes the boost/reblog of a given status, returning the newly-created boost if all is well.
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| 	StatusBoost(authed *oauth.Auth, targetStatusID string) (*apimodel.Status, ErrorWithCode)
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| 	// StatusBoostedBy returns a slice of accounts that have boosted the given status, filtered according to privacy settings.
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| 	StatusBoostedBy(authed *oauth.Auth, targetStatusID string) ([]*apimodel.Account, ErrorWithCode)
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| 	// StatusFavedBy returns a slice of accounts that have liked the given status, filtered according to privacy settings.
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| 	StatusFavedBy(authed *oauth.Auth, targetStatusID string) ([]*apimodel.Account, error)
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| 	// StatusGet gets the given status, taking account of privacy settings and blocks etc.
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| 	StatusGet(authed *oauth.Auth, targetStatusID string) (*apimodel.Status, error)
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| 	// StatusUnfave processes the unfaving of a given status, returning the updated status if the fave goes through.
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| 	StatusUnfave(authed *oauth.Auth, targetStatusID string) (*apimodel.Status, error)
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| 	// StatusGetContext returns the context (previous and following posts) from the given status ID
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| 	StatusGetContext(authed *oauth.Auth, targetStatusID string) (*apimodel.Context, ErrorWithCode)
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| 
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| 	// HomeTimelineGet returns statuses from the home timeline, with the given filters/parameters.
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| 	HomeTimelineGet(authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) ([]apimodel.Status, ErrorWithCode)
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| 	// PublicTimelineGet returns statuses from the public/local timeline, with the given filters/parameters.
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| 	PublicTimelineGet(authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) ([]apimodel.Status, ErrorWithCode)
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| 
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| 	/*
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| 		FEDERATION API-FACING PROCESSING FUNCTIONS
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| 		These functions are intended to be called when the federating client needs an immediate (ie., synchronous) reply
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| 		to an HTTP request. As such, they will only do the bare-minimum of work necessary to give a properly
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| 		formed reply. For more intensive (and time-consuming) calls, where you don't require an immediate
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| 		response, pass work to the processor using a channel instead.
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| 	*/
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| 
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| 	// GetFediUser handles the getting of a fedi/activitypub representation of a user/account, performing appropriate authentication
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| 	// before returning a JSON serializable interface to the caller.
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| 	GetFediUser(requestedUsername string, request *http.Request) (interface{}, ErrorWithCode)
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| 
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| 	// GetFediFollowers handles the getting of a fedi/activitypub representation of a user/account's followers, performing appropriate
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| 	// authentication before returning a JSON serializable interface to the caller.
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| 	GetFediFollowers(requestedUsername string, request *http.Request) (interface{}, ErrorWithCode)
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| 
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| 	// GetFediFollowing handles the getting of a fedi/activitypub representation of a user/account's following, performing appropriate
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| 	// authentication before returning a JSON serializable interface to the caller.
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| 	GetFediFollowing(requestedUsername string, request *http.Request) (interface{}, ErrorWithCode)
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| 
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| 	// GetFediStatus handles the getting of a fedi/activitypub representation of a particular status, performing appropriate
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| 	// authentication before returning a JSON serializable interface to the caller.
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| 	GetFediStatus(requestedUsername string, requestedStatusID string, request *http.Request) (interface{}, ErrorWithCode)
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| 
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| 	// GetWebfingerAccount handles the GET for a webfinger resource. Most commonly, it will be used for returning account lookups.
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| 	GetWebfingerAccount(requestedUsername string, request *http.Request) (*apimodel.WebfingerAccountResponse, ErrorWithCode)
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| 
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| 	// InboxPost handles POST requests to a user's inbox for new activitypub messages.
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| 	//
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| 	// InboxPost returns true if the request was handled as an ActivityPub POST to an actor's inbox.
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| 	// If false, the request was not an ActivityPub request and may still be handled by the caller in another way, such as serving a web page.
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| 	//
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| 	// If the error is nil, then the ResponseWriter's headers and response has already been written. If a non-nil error is returned, then no response has been written.
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| 	//
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| 	// If the Actor was constructed with the Federated Protocol enabled, side effects will occur.
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| 	//
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| 	// If the Federated Protocol is not enabled, writes the http.StatusMethodNotAllowed status code in the response. No side effects occur.
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| 	InboxPost(ctx context.Context, w http.ResponseWriter, r *http.Request) (bool, error)
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| }
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| 
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| // processor just implements the Processor interface
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| type processor struct {
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| 	// federator     pub.FederatingActor
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| 	// toClientAPI   chan gtsmodel.ToClientAPI
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| 	fromClientAPI chan gtsmodel.FromClientAPI
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| 	// toFederator   chan gtsmodel.ToFederator
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| 	fromFederator chan gtsmodel.FromFederator
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| 	federator     federation.Federator
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| 	stop          chan interface{}
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| 	log           *logrus.Logger
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| 	config        *config.Config
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| 	tc            typeutils.TypeConverter
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| 	oauthServer   oauth.Server
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| 	mediaHandler  media.Handler
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| 	storage       blob.Storage
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| 	db            db.DB
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| }
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| 
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| // NewProcessor returns a new Processor that uses the given federator and logger
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| func NewProcessor(config *config.Config, tc typeutils.TypeConverter, federator federation.Federator, oauthServer oauth.Server, mediaHandler media.Handler, storage blob.Storage, db db.DB, log *logrus.Logger) Processor {
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| 	return &processor{
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| 		// toClientAPI:   make(chan gtsmodel.ToClientAPI, 100),
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| 		fromClientAPI: make(chan gtsmodel.FromClientAPI, 100),
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| 		// toFederator:   make(chan gtsmodel.ToFederator, 100),
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| 		fromFederator: make(chan gtsmodel.FromFederator, 100),
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| 		federator:     federator,
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| 		stop:          make(chan interface{}),
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| 		log:           log,
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| 		config:        config,
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| 		tc:            tc,
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| 		oauthServer:   oauthServer,
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| 		mediaHandler:  mediaHandler,
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| 		storage:       storage,
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| 		db:            db,
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| 	}
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| }
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| 
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| // func (p *processor) ToClientAPI() chan gtsmodel.ToClientAPI {
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| // 	return p.toClientAPI
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| // }
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| 
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| func (p *processor) FromClientAPI() chan gtsmodel.FromClientAPI {
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| 	return p.fromClientAPI
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| }
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| 
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| // func (p *processor) ToFederator() chan gtsmodel.ToFederator {
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| // 	return p.toFederator
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| // }
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| 
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| func (p *processor) FromFederator() chan gtsmodel.FromFederator {
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| 	return p.fromFederator
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| }
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| 
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| // Start starts the Processor, reading from its channels and passing messages back and forth.
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| func (p *processor) Start() error {
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| 	go func() {
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| 	DistLoop:
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| 		for {
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| 			select {
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| 			case clientMsg := <-p.fromClientAPI:
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| 				p.log.Infof("received message FROM client API: %+v", clientMsg)
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| 				if err := p.processFromClientAPI(clientMsg); err != nil {
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| 					p.log.Error(err)
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| 				}
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| 			case federatorMsg := <-p.fromFederator:
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| 				p.log.Infof("received message FROM federator: %+v", federatorMsg)
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| 				if err := p.processFromFederator(federatorMsg); err != nil {
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| 					p.log.Error(err)
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| 				}
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| 			case <-p.stop:
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| 				break DistLoop
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| 			}
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| 		}
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| 	}()
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| 	return nil
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| }
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| 
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| // Stop stops the processor cleanly, finishing handling any remaining messages before closing down.
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| // TODO: empty message buffer properly before stopping otherwise we'll lose federating messages.
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| func (p *processor) Stop() error {
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| 	close(p.stop)
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| 	return nil
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| }
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