Improve avatar uploading / resizing / compressing, remove Fomantic card module (#24653)

Fixes: #8972
Fixes: #24263

And I think it also (partially) fix #24263 (no need to convert) ,
because users could upload any supported image format if it isn't larger
than AVATAR_MAX_ORIGIN_SIZE


The main idea: 

* if the uploaded file size is not larger than AVATAR_MAX_ORIGIN_SIZE,
use the origin
* if the resized size is larger than the origin, use the origin

Screenshots:

JPG:

<details>


![image](70e98bb0-ecb9-4c4e-a89f-4a37d4e37f8e)

</details>

APNG:

<details>


![image](9055135b-5e2d-4152-bd72-596fcb7c6671)


![image](50364caf-f7f6-4241-a289-e485fe4cd582)

</details>

WebP (animated)

<details>


![image](f642eb85-498a-49a5-86bf-0a7b04089ae0)

</details>

The only exception: if a WebP image is larger than MaxOriginSize and it
is animated, then current `webp` package can't decode it, so only in
this case it isn't supported. IMO no need to support such case: why a
user would upload a 1MB animated webp as avatar? crazy .....

---------

Co-authored-by: silverwind <me@silverwind.io>
This commit is contained in:
wxiaoguang 2023-05-14 02:59:11 +08:00 committed by GitHub
parent 9f1d377b87
commit 82224c54e0
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GPG key ID: 4AEE18F83AFDEB23
17 changed files with 304 additions and 1505 deletions

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@ -3,21 +3,23 @@
package setting
// settings
// Avatar settings
var (
// Picture settings
Avatar = struct {
Storage
MaxWidth int
MaxHeight int
MaxFileSize int64
MaxOriginSize int64
RenderedSizeFactor int
}{
MaxWidth: 4096,
MaxHeight: 3072,
MaxHeight: 4096,
MaxFileSize: 1048576,
RenderedSizeFactor: 3,
MaxOriginSize: 262144,
RenderedSizeFactor: 2,
}
GravatarSource string
@ -44,9 +46,10 @@ func loadPictureFrom(rootCfg ConfigProvider) {
Avatar.Storage = getStorage(rootCfg, "avatars", storageType, avatarSec)
Avatar.MaxWidth = sec.Key("AVATAR_MAX_WIDTH").MustInt(4096)
Avatar.MaxHeight = sec.Key("AVATAR_MAX_HEIGHT").MustInt(3072)
Avatar.MaxHeight = sec.Key("AVATAR_MAX_HEIGHT").MustInt(4096)
Avatar.MaxFileSize = sec.Key("AVATAR_MAX_FILE_SIZE").MustInt64(1048576)
Avatar.RenderedSizeFactor = sec.Key("AVATAR_RENDERED_SIZE_FACTOR").MustInt(3)
Avatar.MaxOriginSize = sec.Key("AVATAR_MAX_ORIGIN_SIZE").MustInt64(262144)
Avatar.RenderedSizeFactor = sec.Key("AVATAR_RENDERED_SIZE_FACTOR").MustInt(2)
switch source := sec.Key("GRAVATAR_SOURCE").MustString("gravatar"); source {
case "duoshuo":
@ -94,5 +97,5 @@ func loadRepoAvatarFrom(rootCfg ConfigProvider) {
RepoAvatar.Storage = getStorage(rootCfg, "repo-avatars", storageType, repoAvatarSec)
RepoAvatar.Fallback = sec.Key("REPOSITORY_AVATAR_FALLBACK").MustString("none")
RepoAvatar.FallbackImage = sec.Key("REPOSITORY_AVATAR_FALLBACK_IMAGE").MustString("/assets/img/repo_default.png")
RepoAvatar.FallbackImage = sec.Key("REPOSITORY_AVATAR_FALLBACK_IMAGE").MustString(AppSubURL + "/assets/img/repo_default.png")
}