User password change (#280)

* start passwordChangeHandler

* add user scope

* add user module / api path

* add password change request

* make comment clearer

* add user to processor

* required true

* add processor call to handler

* don't pass tc or channel

* change password func + tests

* add some first docs about password management

* update swagger docs

* add api tests

* go fmt

* test fixes

1 files changed, 48 insertions, 0 deletions

diff --git a/internal/processing/user/user.go b/internal/processing/user/user.go
new file mode 100644
index 000000000..c572becc2
--- /dev/null
+++ b/internal/processing/user/user.go
@@ -0,0 +1,48 @@
+/*
+   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 user
+
+import (
+	"context"
+
+	"github.com/superseriousbusiness/gotosocial/internal/config"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+)
+
+// Processor wraps a bunch of functions for processing user-level actions.
+type Processor interface {
+	// ChangePassword changes the specified user's password from old => new,
+	// or returns an error if the new password is too weak, or the old password is incorrect.
+	ChangePassword(ctx context.Context, user *gtsmodel.User, oldPassword string, newPassword string) gtserror.WithCode
+}
+
+type processor struct {
+	config *config.Config
+	db     db.DB
+}
+
+// New returns a new user processor
+func New(db db.DB, config *config.Config) Processor {
+	return &processor{
+		config: config,
+		db:     db,
+	}
+}