gotosocial/internal/api/client/instance/instancepatch.go

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/*
GoToSocial
Copyright (C) 2021-2023 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 instance
import (
"errors"
"fmt"
"net/http"
"github.com/gin-gonic/gin"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
)
// InstanceUpdatePATCHHandler swagger:operation PATCH /api/v1/instance instanceUpdate
//
// Update your instance information and/or upload a new avatar/header for the instance.
//
// This requires admin permissions on the instance.
//
// ---
// tags:
// - instance
//
// consumes:
// - multipart/form-data
//
// produces:
// - application/json
//
// parameters:
// -
// name: title
// in: formData
// description: Title to use for the instance.
// type: string
// maximum: 40
// allowEmptyValue: true
// -
// name: contact_username
// in: formData
// description: >-
// Username of the contact account.
// This must be the username of an instance admin.
// type: string
// allowEmptyValue: true
// -
// name: contact_email
// in: formData
// description: Email address to use as the instance contact.
// type: string
// allowEmptyValue: true
// -
// name: short_description
// in: formData
// description: Short description of the instance.
// type: string
// maximum: 500
// allowEmptyValue: true
// -
// name: description
// in: formData
// description: Longer description of the instance.
// type: string
// maximum: 5000
// allowEmptyValue: true
// -
// name: terms
// in: formData
// description: Terms and conditions of the instance.
// type: string
// maximum: 5000
// allowEmptyValue: true
// -
// name: thumbnail
// in: formData
// description: Thumbnail image to use for the instance.
// type: file
// -
// name: thumbnail_description
// in: formData
// description: Image description of the submitted instance thumbnail.
// type: string
// -
// name: header
// in: formData
// description: Header image to use for the instance.
// type: file
//
// security:
// - OAuth2 Bearer:
// - admin
//
// responses:
// '200':
// description: "The newly updated instance."
// schema:
// "$ref": "#/definitions/instance"
// '400':
// description: bad request
// '401':
// description: unauthorized
// '403':
// description: forbidden
// '404':
// description: not found
// '406':
// description: not acceptable
// '500':
// description: internal server error
func (m *Module) InstanceUpdatePATCHHandler(c *gin.Context) {
authed, err := oauth.Authed(c, true, true, true, true)
if err != nil {
apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGet)
return
}
if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGet)
return
}
if !*authed.User.Admin {
err := errors.New("user is not an admin so cannot update instance settings")
apiutil.ErrorHandler(c, gtserror.NewErrorForbidden(err, err.Error()), m.processor.InstanceGet)
return
}
form := &apimodel.InstanceSettingsUpdateRequest{}
if err := c.ShouldBind(&form); err != nil {
apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
return
}
if err := validateInstanceUpdate(form); err != nil {
apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
return
}
i, errWithCode := m.processor.InstancePatch(c.Request.Context(), form)
if errWithCode != nil {
apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGet)
return
}
c.JSON(http.StatusOK, i)
}
func validateInstanceUpdate(form *apimodel.InstanceSettingsUpdateRequest) error {
if form.Title == nil &&
form.ContactUsername == nil &&
form.ContactEmail == nil &&
form.ShortDescription == nil &&
form.Description == nil &&
form.Terms == nil &&
form.Avatar == nil &&
form.AvatarDescription == nil &&
form.Header == nil {
return errors.New("empty form submitted")
}
maxImageSize := config.GetMediaImageMaxSize()
maxDescriptionChars := config.GetMediaDescriptionMaxChars()
// validate avatar if present
if form.Avatar != nil {
if size := form.Avatar.Size; size > int64(maxImageSize) {
return fmt.Errorf("file size limit exceeded: limit is %d bytes but desired instance avatar was %d bytes", maxImageSize, size)
}
if form.AvatarDescription != nil {
if length := len([]rune(*form.AvatarDescription)); length > maxDescriptionChars {
return fmt.Errorf("avatar description length must be less than %d characters (inclusive), but provided avatar description was %d chars", maxDescriptionChars, length)
}
}
}
return nil
}