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Limit uploaded avatar image-size to 4096x3072 by default (#4353)
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3 changed files with 19 additions and 0 deletions
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@ -402,6 +402,10 @@ SESSION_LIFE_TIME = 86400
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[picture]
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AVATAR_UPLOAD_PATH = data/avatars
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; Max Width and Height of uploaded avatars. This is to limit the amount of RAM
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; used when resizing the image.
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AVATAR_MAX_WIDTH = 4096
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AVATAR_MAX_HEIGHT = 3072
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; Chinese users can choose "duoshuo"
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; or a custom avatar source, like: http://cn.gravatar.com/avatar/
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GRAVATAR_SOURCE = gravatar
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@ -433,6 +433,17 @@ func (u *User) IsPasswordSet() bool {
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// UploadAvatar saves custom avatar for user.
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// FIXME: split uploads to different subdirs in case we have massive users.
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func (u *User) UploadAvatar(data []byte) error {
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imgCfg, _, err := image.DecodeConfig(bytes.NewReader(data))
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if err != nil {
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return fmt.Errorf("DecodeConfig: %v", err)
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}
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if imgCfg.Width > setting.AvatarMaxWidth {
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return fmt.Errorf("Image width is to large: %d > %d", imgCfg.Width, setting.AvatarMaxWidth)
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}
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if imgCfg.Height > setting.AvatarMaxHeight {
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return fmt.Errorf("Image height is to large: %d > %d", imgCfg.Height, setting.AvatarMaxHeight)
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}
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img, _, err := image.Decode(bytes.NewReader(data))
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if err != nil {
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return fmt.Errorf("Decode: %v", err)
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@ -341,6 +341,8 @@ var (
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// Picture settings
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AvatarUploadPath string
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AvatarMaxWidth int
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AvatarMaxHeight int
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GravatarSource string
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GravatarSourceURL *url.URL
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DisableGravatar bool
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@ -1024,6 +1026,8 @@ func NewContext() {
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if !filepath.IsAbs(AvatarUploadPath) {
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AvatarUploadPath = path.Join(AppWorkPath, AvatarUploadPath)
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}
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AvatarMaxWidth = sec.Key("AVATAR_MAX_WIDTH").MustInt(4096)
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AvatarMaxHeight = sec.Key("AVATAR_MAX_HEIGHT").MustInt(3072)
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switch source := sec.Key("GRAVATAR_SOURCE").MustString("gravatar"); source {
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case "duoshuo":
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GravatarSource = "http://gravatar.duoshuo.com/avatar/"
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