Domain block (#76)

* start work on admin domain blocking

* move stuff around + further work on domain blocks

* move + restructure processor

* prep work for deleting account

* tidy

* go fmt

* formatting

* domain blocking more work

* check domain blocks way earlier on

* progress on delete account

* delete more stuff when an account is gone

* and more...

* domain blocky block block

* get individual domain block, delete a block

1 files changed, 96 insertions, 0 deletions

diff --git a/internal/processing/account/account.go b/internal/processing/account/account.go
new file mode 100644
index 000000000..442b6fa9f
--- /dev/null
+++ b/internal/processing/account/account.go
@@ -0,0 +1,96 @@
+/*
+   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 account
+
+import (
+	"mime/multipart"
+
+	"github.com/sirupsen/logrus"
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/federation"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/media"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+	"github.com/superseriousbusiness/gotosocial/internal/typeutils"
+	"github.com/superseriousbusiness/gotosocial/internal/visibility"
+	"github.com/superseriousbusiness/oauth2/v4"
+)
+
+// Processor wraps a bunch of functions for processing account actions.
+type Processor interface {
+	// Create processes the given form for creating a new account, returning an oauth token for that account if successful.
+	Create(applicationToken oauth2.TokenInfo, application *gtsmodel.Application, form *apimodel.AccountCreateRequest) (*apimodel.Token, error)
+	// Delete deletes an account, and all of that account's statuses, media, follows, notifications, etc etc etc.
+	Delete(account *gtsmodel.Account, deletedBy string) error
+	// Get processes the given request for account information.
+	Get(requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Account, error)
+	// Update processes the update of an account with the given form
+	Update(account *gtsmodel.Account, form *apimodel.UpdateCredentialsRequest) (*apimodel.Account, error)
+	// StatusesGet fetches a number of statuses (in time descending order) from the given account, filtered by visibility for
+	// the account given in authed.
+	StatusesGet(requestingAccount *gtsmodel.Account, targetAccountID string, limit int, excludeReplies bool, maxID string, pinned bool, mediaOnly bool) ([]apimodel.Status, gtserror.WithCode)
+	// FollowersGet fetches a list of the target account's followers.
+	FollowersGet(requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode)
+	// FollowingGet fetches a list of the accounts that target account is following.
+	FollowingGet(requestingAccount *gtsmodel.Account, targetAccountID string) ([]apimodel.Account, gtserror.WithCode)
+	// RelationshipGet returns a relationship model describing the relationship of the targetAccount to the Authed account.
+	RelationshipGet(requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode)
+	// FollowCreate handles a follow request to an account, either remote or local.
+	FollowCreate(requestingAccount *gtsmodel.Account, form *apimodel.AccountFollowRequest) (*apimodel.Relationship, gtserror.WithCode)
+	// FollowRemove handles the removal of a follow/follow request to an account, either remote or local.
+	FollowRemove(requestingAccount *gtsmodel.Account, targetAccountID string) (*apimodel.Relationship, gtserror.WithCode)
+	// UpdateHeader does the dirty work of checking the header part of an account update form,
+	// parsing and checking the image, and doing the necessary updates in the database for this to become
+	// the account's new header image.
+	UpdateAvatar(avatar *multipart.FileHeader, accountID string) (*gtsmodel.MediaAttachment, error)
+	// UpdateAvatar does the dirty work of checking the avatar part of an account update form,
+	// parsing and checking the image, and doing the necessary updates in the database for this to become
+	// the account's new avatar image.
+	UpdateHeader(header *multipart.FileHeader, accountID string) (*gtsmodel.MediaAttachment, error)
+}
+
+type processor struct {
+	tc            typeutils.TypeConverter
+	config        *config.Config
+	mediaHandler  media.Handler
+	fromClientAPI chan gtsmodel.FromClientAPI
+	oauthServer   oauth.Server
+	filter        visibility.Filter
+	db            db.DB
+	federator     federation.Federator
+	log           *logrus.Logger
+}
+
+// New returns a new account processor.
+func New(db db.DB, tc typeutils.TypeConverter, mediaHandler media.Handler, oauthServer oauth.Server, fromClientAPI chan gtsmodel.FromClientAPI, federator federation.Federator, config *config.Config, log *logrus.Logger) Processor {
+	return &processor{
+		tc:            tc,
+		config:        config,
+		mediaHandler:  mediaHandler,
+		fromClientAPI: fromClientAPI,
+		oauthServer:   oauthServer,
+		filter:        visibility.NewFilter(db, log),
+		db:            db,
+		federator:     federator,
+		log:           log,
+	}
+}