diff options
Diffstat (limited to 'internal/api/client/status/statuscreate.go')
-rw-r--r-- | internal/api/client/status/statuscreate.go | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/internal/api/client/status/statuscreate.go b/internal/api/client/status/statuscreate.go new file mode 100644 index 000000000..02080b042 --- /dev/null +++ b/internal/api/client/status/statuscreate.go @@ -0,0 +1,130 @@ +/* + 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 +} |