Limit uploaded avatar image-size to 4096x3072 by default (#4353)

This commit is contained in:
Kim "BKC" Carlbäcker 2018-07-03 05:56:32 +02:00 committed by Lauris BH
parent 69796ddd64
commit cbee921c28
3 changed files with 19 additions and 0 deletions

View File

@ -402,6 +402,10 @@ SESSION_LIFE_TIME = 86400
[picture]
AVATAR_UPLOAD_PATH = data/avatars
; Max Width and Height of uploaded avatars. This is to limit the amount of RAM
; used when resizing the image.
AVATAR_MAX_WIDTH = 4096
AVATAR_MAX_HEIGHT = 3072
; Chinese users can choose "duoshuo"
; or a custom avatar source, like: http://cn.gravatar.com/avatar/
GRAVATAR_SOURCE = gravatar

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@ -433,6 +433,17 @@ func (u *User) IsPasswordSet() bool {
// UploadAvatar saves custom avatar for user.
// FIXME: split uploads to different subdirs in case we have massive users.
func (u *User) UploadAvatar(data []byte) error {
imgCfg, _, err := image.DecodeConfig(bytes.NewReader(data))
if err != nil {
return fmt.Errorf("DecodeConfig: %v", err)
}
if imgCfg.Width > setting.AvatarMaxWidth {
return fmt.Errorf("Image width is to large: %d > %d", imgCfg.Width, setting.AvatarMaxWidth)
}
if imgCfg.Height > setting.AvatarMaxHeight {
return fmt.Errorf("Image height is to large: %d > %d", imgCfg.Height, setting.AvatarMaxHeight)
}
img, _, err := image.Decode(bytes.NewReader(data))
if err != nil {
return fmt.Errorf("Decode: %v", err)

View File

@ -341,6 +341,8 @@ var (
// Picture settings
AvatarUploadPath string
AvatarMaxWidth int
AvatarMaxHeight int
GravatarSource string
GravatarSourceURL *url.URL
DisableGravatar bool
@ -1024,6 +1026,8 @@ func NewContext() {
if !filepath.IsAbs(AvatarUploadPath) {
AvatarUploadPath = path.Join(AppWorkPath, AvatarUploadPath)
}
AvatarMaxWidth = sec.Key("AVATAR_MAX_WIDTH").MustInt(4096)
AvatarMaxHeight = sec.Key("AVATAR_MAX_HEIGHT").MustInt(3072)
switch source := sec.Key("GRAVATAR_SOURCE").MustString("gravatar"); source {
case "duoshuo":
GravatarSource = "http://gravatar.duoshuo.com/avatar/"