193 lines
7.4 KiB
Go
193 lines
7.4 KiB
Go
/*
|
|
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 media
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/superseriousbusiness/gotosocial/internal/config"
|
|
mastotypes "github.com/superseriousbusiness/gotosocial/internal/mastotypes/mastomodel"
|
|
"github.com/superseriousbusiness/gotosocial/internal/oauth"
|
|
)
|
|
|
|
func (m *MediaModule) MediaCreatePOSTHandler(c *gin.Context) {
|
|
l := m.log.WithField("func", "statusCreatePOSTHandler")
|
|
authed, err := oauth.MustAuth(c, true, true, true, true) // posting new media 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 create media
|
|
// 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 media create form from the request context
|
|
l.Tracef("parsing request form: %s", c.Request.Form)
|
|
form := &mastotypes.AttachmentRequest{}
|
|
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 := validateCreateMedia(form, m.config.MediaConfig); err != nil {
|
|
l.Debugf("error validating form: %s", err)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
|
|
return
|
|
}
|
|
|
|
// open the attachment and extract the bytes from it
|
|
f, err := form.File.Open()
|
|
if err != nil {
|
|
l.Debugf("error opening attachment: %s", err)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("could not open provided attachment: %s", err)})
|
|
return
|
|
}
|
|
buf := new(bytes.Buffer)
|
|
size, err := io.Copy(buf, f)
|
|
if err != nil {
|
|
l.Debugf("error reading attachment: %s", err)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("could not read provided attachment: %s", err)})
|
|
return
|
|
}
|
|
if size == 0 {
|
|
l.Debug("could not read provided attachment: size 0 bytes")
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": "could not read provided attachment: size 0 bytes"})
|
|
return
|
|
}
|
|
|
|
// allow the mediaHandler to work its magic of processing the attachment bytes, and putting them in whatever storage backend we're using
|
|
attachment, err := m.mediaHandler.ProcessLocalAttachment(buf.Bytes(), authed.Account.ID)
|
|
if err != nil {
|
|
l.Debugf("error reading attachment: %s", err)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("could not process attachment: %s", err)})
|
|
return
|
|
}
|
|
|
|
// now we need to add extra fields that the attachment processor doesn't know (from the form)
|
|
// TODO: handle this inside mediaHandler.ProcessAttachment (just pass more params to it)
|
|
|
|
// first description
|
|
attachment.Description = form.Description
|
|
|
|
// now parse the focus parameter
|
|
// TODO: tidy this up into a separate function and just return an error so all the c.JSON and return calls are obviated
|
|
var focusx, focusy float32
|
|
if form.Focus != "" {
|
|
spl := strings.Split(form.Focus, ",")
|
|
if len(spl) != 2 {
|
|
l.Debugf("improperly formatted focus %s", form.Focus)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("improperly formatted focus %s", form.Focus)})
|
|
return
|
|
}
|
|
xStr := spl[0]
|
|
yStr := spl[1]
|
|
if xStr == "" || yStr == "" {
|
|
l.Debugf("improperly formatted focus %s", form.Focus)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("improperly formatted focus %s", form.Focus)})
|
|
return
|
|
}
|
|
fx, err := strconv.ParseFloat(xStr, 32)
|
|
if err != nil {
|
|
l.Debugf("improperly formatted focus %s: %s", form.Focus, err)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("improperly formatted focus %s", form.Focus)})
|
|
return
|
|
}
|
|
if fx > 1 || fx < -1 {
|
|
l.Debugf("improperly formatted focus %s", form.Focus)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("improperly formatted focus %s", form.Focus)})
|
|
return
|
|
}
|
|
focusx = float32(fx)
|
|
fy, err := strconv.ParseFloat(yStr, 32)
|
|
if err != nil {
|
|
l.Debugf("improperly formatted focus %s: %s", form.Focus, err)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("improperly formatted focus %s", form.Focus)})
|
|
return
|
|
}
|
|
if fy > 1 || fy < -1 {
|
|
l.Debugf("improperly formatted focus %s", form.Focus)
|
|
c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("improperly formatted focus %s", form.Focus)})
|
|
return
|
|
}
|
|
focusy = float32(fy)
|
|
}
|
|
attachment.FileMeta.Focus.X = focusx
|
|
attachment.FileMeta.Focus.Y = focusy
|
|
|
|
// prepare the frontend representation now -- if there are any errors here at least we can bail without
|
|
// having already put something in the database and then having to clean it up again (eugh)
|
|
mastoAttachment, err := m.mastoConverter.AttachmentToMasto(attachment)
|
|
if err != nil {
|
|
l.Debugf("error parsing media attachment to frontend type: %s", err)
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("error parsing media attachment to frontend type: %s", err)})
|
|
return
|
|
}
|
|
|
|
// now we can confidently put the attachment in the database
|
|
if err := m.db.Put(attachment); err != nil {
|
|
l.Debugf("error storing media attachment in db: %s", err)
|
|
c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("error storing media attachment in db: %s", err)})
|
|
return
|
|
}
|
|
|
|
// and return its frontend representation
|
|
c.JSON(http.StatusAccepted, mastoAttachment)
|
|
}
|
|
|
|
func validateCreateMedia(form *mastotypes.AttachmentRequest, config *config.MediaConfig) error {
|
|
// check there actually is a file attached and it's not size 0
|
|
if form.File == nil || form.File.Size == 0 {
|
|
return errors.New("no attachment given")
|
|
}
|
|
|
|
// a very superficial check to see if no size limits are exceeded
|
|
// we still don't actually know which media types we're dealing with but the other handlers will go into more detail there
|
|
maxSize := config.MaxVideoSize
|
|
if config.MaxImageSize > maxSize {
|
|
maxSize = config.MaxImageSize
|
|
}
|
|
if form.File.Size > int64(maxSize) {
|
|
return fmt.Errorf("file size limit exceeded: limit is %d bytes but attachment was %d bytes", maxSize, form.File.Size)
|
|
}
|
|
|
|
if len(form.Description) < config.MinDescriptionChars || len(form.Description) > config.MaxDescriptionChars {
|
|
return fmt.Errorf("image description length must be between %d and %d characters (inclusive), but provided image description was %d chars", config.MinDescriptionChars, config.MaxDescriptionChars, len(form.Description))
|
|
}
|
|
|
|
// TODO: validate focus here
|
|
|
|
return nil
|
|
}
|