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/*
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 status
import (
"errors"
"fmt"
"net/http"
"github.com/gin-gonic/gin"
"github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// StatusCreatePOSTHandler deals with the creation of new statuses
func (m *Module) StatusCreatePOSTHandler(c *gin.Context) {
l := m.log.WithField("func", "statusCreatePOSTHandler")
authed, err := oauth.Authed(c, true, true, true, true) // posting a status is serious business so we want *everything*
if err != nil {
l.Debugf("couldn't auth: %s", err)
c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
return
}
// First check this user/account is permitted to post new statuses.
// There's no point continuing otherwise.
if authed.User.Disabled || !authed.User.Approved || !authed.Account.SuspendedAt.IsZero() {
l.Debugf("couldn't auth: %s", err)
c.JSON(http.StatusForbidden, gin.H{"error": "account is disabled, not yet approved, or suspended"})
return
}
// extract the status create form from the request context
l.Tracef("parsing request form: %s", c.Request.Form)
form := &model.AdvancedStatusCreateForm{}
if err := c.ShouldBind(form); err != nil || form == nil {
l.Debugf("could not parse form from request: %s", err)
c.JSON(http.StatusBadRequest, gin.H{"error": "missing one or more required form values"})
return
}
// Give the fields on the request form a first pass to make sure the request is superficially valid.
l.Tracef("validating form %+v", form)
if err := validateCreateStatus(form, m.config.StatusesConfig); err != nil {
l.Debugf("error validating form: %s", err)
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
mastoStatus, err := m.processor.StatusCreate(authed, form)
if err != nil {
l.Debugf("error processing status create: %s", err)
c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"})
return
}
c.JSON(http.StatusOK, mastoStatus)
}
func validateCreateStatus(form *model.AdvancedStatusCreateForm, config *config.StatusesConfig) error {
// validate that, structurally, we have a valid status/post
if form.Status == "" && form.MediaIDs == nil && form.Poll == nil {
return errors.New("no status, media, or poll provided")
}
if form.MediaIDs != nil && form.Poll != nil {
return errors.New("can't post media + poll in same status")
}
// validate status
if form.Status != "" {
if len(form.Status) > config.MaxChars {
return fmt.Errorf("status too long, %d characters provided but limit is %d", len(form.Status), config.MaxChars)
}
}
// validate media attachments
if len(form.MediaIDs) > config.MaxMediaFiles {
return fmt.Errorf("too many media files attached to status, %d attached but limit is %d", len(form.MediaIDs), config.MaxMediaFiles)
}
// validate poll
if form.Poll != nil {
if form.Poll.Options == nil {
return errors.New("poll with no options")
}
if len(form.Poll.Options) > config.PollMaxOptions {
return fmt.Errorf("too many poll options provided, %d provided but limit is %d", len(form.Poll.Options), config.PollMaxOptions)
}
for _, p := range form.Poll.Options {
if len(p) > config.PollOptionMaxChars {
return fmt.Errorf("poll option too long, %d characters provided but limit is %d", len(p), config.PollOptionMaxChars)
}
}
}
// validate spoiler text/cw
if form.SpoilerText != "" {
if len(form.SpoilerText) > config.CWMaxChars {
return fmt.Errorf("content-warning/spoilertext too long, %d characters provided but limit is %d", len(form.SpoilerText), config.CWMaxChars)
}
}
// validate post language
if form.Language != "" {
if err := util.ValidateLanguage(form.Language); err != nil {
return err
}
}
return nil
}
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