gotosocial/internal/api/client/statuses/statuscreate.go
Vyr Cossont 0f812746b7
[feature] Allow full BCP 47 in language inputs (#2067)
* Allow full BCP 47 in language inputs

Fixes #2066

* Fuse validation and normalization for languages

* Remove outdated comment line

* Move post language canonicalization test
2023-08-07 10:25:54 +02:00

175 lines
5.5 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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 statuses
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"
"github.com/superseriousbusiness/gotosocial/internal/validate"
)
// StatusCreatePOSTHandler swagger:operation POST /api/v1/statuses statusCreate
//
// Create a new status.
//
// The parameters can also be given in the body of the request, as JSON, if the content-type is set to 'application/json'.
// The parameters can also be given in the body of the request, as XML, if the content-type is set to 'application/xml'.
//
// ---
// tags:
// - statuses
//
// consumes:
// - application/json
// - application/xml
// - application/x-www-form-urlencoded
//
// produces:
// - application/json
//
// security:
// - OAuth2 Bearer:
// - write:statuses
//
// responses:
// '200':
// description: "The newly created status."
// schema:
// "$ref": "#/definitions/status"
// '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) StatusCreatePOSTHandler(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.InstanceGetV1)
return
}
if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGetV1)
return
}
form := &apimodel.AdvancedStatusCreateForm{}
if err := c.ShouldBind(form); err != nil {
apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1)
return
}
// DO NOT COMMIT THIS UNCOMMENTED, IT WILL CAUSE MASS CHAOS.
// this is being left in as an ode to kim's shitposting.
//
// user := authed.Account.DisplayName
// if user == "" {
// user = authed.Account.Username
// }
// form.Status += "\n\nsent from " + user + "'s iphone\n"
if err := validateNormalizeCreateStatus(form); err != nil {
apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1)
return
}
apiStatus, errWithCode := m.processor.Status().Create(c.Request.Context(), authed.Account, authed.Application, form)
if errWithCode != nil {
apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
return
}
c.JSON(http.StatusOK, apiStatus)
}
// validateNormalizeCreateStatus checks the form for disallowed combinations of attachments and overlength inputs.
// Side effect: normalizes the post's language tag.
func validateNormalizeCreateStatus(form *apimodel.AdvancedStatusCreateForm) error {
hasStatus := form.Status != ""
hasMedia := len(form.MediaIDs) != 0
hasPoll := form.Poll != nil
if !hasStatus && !hasMedia && !hasPoll {
return errors.New("no status, media, or poll provided")
}
if hasMedia && hasPoll {
return errors.New("can't post media + poll in same status")
}
maxChars := config.GetStatusesMaxChars()
maxMediaFiles := config.GetStatusesMediaMaxFiles()
maxPollOptions := config.GetStatusesPollMaxOptions()
maxPollChars := config.GetStatusesPollOptionMaxChars()
maxCwChars := config.GetStatusesCWMaxChars()
if form.Status != "" {
if length := len([]rune(form.Status)); length > maxChars {
return fmt.Errorf("status too long, %d characters provided but limit is %d", length, maxChars)
}
}
if len(form.MediaIDs) > maxMediaFiles {
return fmt.Errorf("too many media files attached to status, %d attached but limit is %d", len(form.MediaIDs), maxMediaFiles)
}
if form.Poll != nil {
if form.Poll.Options == nil {
return errors.New("poll with no options")
}
if len(form.Poll.Options) > maxPollOptions {
return fmt.Errorf("too many poll options provided, %d provided but limit is %d", len(form.Poll.Options), maxPollOptions)
}
for _, p := range form.Poll.Options {
if length := len([]rune(p)); length > maxPollChars {
return fmt.Errorf("poll option too long, %d characters provided but limit is %d", length, maxPollChars)
}
}
}
if form.SpoilerText != "" {
if length := len([]rune(form.SpoilerText)); length > maxCwChars {
return fmt.Errorf("content-warning/spoilertext too long, %d characters provided but limit is %d", length, maxCwChars)
}
}
if form.Language != "" {
language, err := validate.Language(form.Language)
if err != nil {
return err
}
form.Language = language
}
return nil
}