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, 199 insertions, 0 deletions

diff --git a/internal/processing/account/update.go b/internal/processing/account/update.go
new file mode 100644
index 000000000..830fec60a
--- /dev/null
+++ b/internal/processing/account/update.go
@@ -0,0 +1,199 @@
+/*
+   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 (
+	"bytes"
+	"errors"
+	"fmt"
+	"io"
+	"mime/multipart"
+
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/media"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+func (p *processor) Update(account *gtsmodel.Account, form *apimodel.UpdateCredentialsRequest) (*apimodel.Account, error) {
+	l := p.log.WithField("func", "AccountUpdate")
+
+	if form.Discoverable != nil {
+		if err := p.db.UpdateOneByID(account.ID, "discoverable", *form.Discoverable, &gtsmodel.Account{}); err != nil {
+			return nil, fmt.Errorf("error updating discoverable: %s", err)
+		}
+	}
+
+	if form.Bot != nil {
+		if err := p.db.UpdateOneByID(account.ID, "bot", *form.Bot, &gtsmodel.Account{}); err != nil {
+			return nil, fmt.Errorf("error updating bot: %s", err)
+		}
+	}
+
+	if form.DisplayName != nil {
+		if err := util.ValidateDisplayName(*form.DisplayName); err != nil {
+			return nil, err
+		}
+		if err := p.db.UpdateOneByID(account.ID, "display_name", *form.DisplayName, &gtsmodel.Account{}); err != nil {
+			return nil, err
+		}
+	}
+
+	if form.Note != nil {
+		if err := util.ValidateNote(*form.Note); err != nil {
+			return nil, err
+		}
+		if err := p.db.UpdateOneByID(account.ID, "note", *form.Note, &gtsmodel.Account{}); err != nil {
+			return nil, err
+		}
+	}
+
+	if form.Avatar != nil && form.Avatar.Size != 0 {
+		avatarInfo, err := p.UpdateAvatar(form.Avatar, account.ID)
+		if err != nil {
+			return nil, err
+		}
+		l.Tracef("new avatar info for account %s is %+v", account.ID, avatarInfo)
+	}
+
+	if form.Header != nil && form.Header.Size != 0 {
+		headerInfo, err := p.UpdateHeader(form.Header, account.ID)
+		if err != nil {
+			return nil, err
+		}
+		l.Tracef("new header info for account %s is %+v", account.ID, headerInfo)
+	}
+
+	if form.Locked != nil {
+		if err := p.db.UpdateOneByID(account.ID, "locked", *form.Locked, &gtsmodel.Account{}); err != nil {
+			return nil, err
+		}
+	}
+
+	if form.Source != nil {
+		if form.Source.Language != nil {
+			if err := util.ValidateLanguage(*form.Source.Language); err != nil {
+				return nil, err
+			}
+			if err := p.db.UpdateOneByID(account.ID, "language", *form.Source.Language, &gtsmodel.Account{}); err != nil {
+				return nil, err
+			}
+		}
+
+		if form.Source.Sensitive != nil {
+			if err := p.db.UpdateOneByID(account.ID, "locked", *form.Locked, &gtsmodel.Account{}); err != nil {
+				return nil, err
+			}
+		}
+
+		if form.Source.Privacy != nil {
+			if err := util.ValidatePrivacy(*form.Source.Privacy); err != nil {
+				return nil, err
+			}
+			if err := p.db.UpdateOneByID(account.ID, "privacy", *form.Source.Privacy, &gtsmodel.Account{}); err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	// fetch the account with all updated values set
+	updatedAccount := &gtsmodel.Account{}
+	if err := p.db.GetByID(account.ID, updatedAccount); err != nil {
+		return nil, fmt.Errorf("could not fetch updated account %s: %s", account.ID, err)
+	}
+
+	p.fromClientAPI <- gtsmodel.FromClientAPI{
+		APObjectType:   gtsmodel.ActivityStreamsProfile,
+		APActivityType: gtsmodel.ActivityStreamsUpdate,
+		GTSModel:       updatedAccount,
+		OriginAccount:  updatedAccount,
+	}
+
+	acctSensitive, err := p.tc.AccountToMastoSensitive(updatedAccount)
+	if err != nil {
+		return nil, fmt.Errorf("could not convert account into mastosensitive account: %s", err)
+	}
+	return acctSensitive, nil
+}
+
+// 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.
+func (p *processor) UpdateAvatar(avatar *multipart.FileHeader, accountID string) (*gtsmodel.MediaAttachment, error) {
+	var err error
+	if int(avatar.Size) > p.config.MediaConfig.MaxImageSize {
+		err = fmt.Errorf("avatar with size %d exceeded max image size of %d bytes", avatar.Size, p.config.MediaConfig.MaxImageSize)
+		return nil, err
+	}
+	f, err := avatar.Open()
+	if err != nil {
+		return nil, fmt.Errorf("could not read provided avatar: %s", err)
+	}
+
+	// extract the bytes
+	buf := new(bytes.Buffer)
+	size, err := io.Copy(buf, f)
+	if err != nil {
+		return nil, fmt.Errorf("could not read provided avatar: %s", err)
+	}
+	if size == 0 {
+		return nil, errors.New("could not read provided avatar: size 0 bytes")
+	}
+
+	// do the setting
+	avatarInfo, err := p.mediaHandler.ProcessHeaderOrAvatar(buf.Bytes(), accountID, media.Avatar, "")
+	if err != nil {
+		return nil, fmt.Errorf("error processing avatar: %s", err)
+	}
+
+	return avatarInfo, f.Close()
+}
+
+// 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.
+func (p *processor) UpdateHeader(header *multipart.FileHeader, accountID string) (*gtsmodel.MediaAttachment, error) {
+	var err error
+	if int(header.Size) > p.config.MediaConfig.MaxImageSize {
+		err = fmt.Errorf("header with size %d exceeded max image size of %d bytes", header.Size, p.config.MediaConfig.MaxImageSize)
+		return nil, err
+	}
+	f, err := header.Open()
+	if err != nil {
+		return nil, fmt.Errorf("could not read provided header: %s", err)
+	}
+
+	// extract the bytes
+	buf := new(bytes.Buffer)
+	size, err := io.Copy(buf, f)
+	if err != nil {
+		return nil, fmt.Errorf("could not read provided header: %s", err)
+	}
+	if size == 0 {
+		return nil, errors.New("could not read provided header: size 0 bytes")
+	}
+
+	// do the setting
+	headerInfo, err := p.mediaHandler.ProcessHeaderOrAvatar(buf.Bytes(), accountID, media.Header, "")
+	if err != nil {
+		return nil, fmt.Errorf("error processing header: %s", err)
+	}
+
+	return headerInfo, f.Close()
+}