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Add Cache-Control to avatar redirects (#16973)

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* Add Cache-Control to avatar redirects

This does seem to do the trick to make the Avatar redirects cachable
in Chrome.

In Firefox, it does not seem to work, thought and I found no way to
suppress the requests to the original URLs, I even tried setting an
Etag to no avail.

Related discussion in https://github.com/go-gitea/gitea/issues/16964.

Co-authored-by: zeripath <art27@cantab.net>
This commit is contained in:
silverwind 2021-09-06 23:05:44 +02:00 committed by GitHub
parent cf6d398485
commit 9fa6bdb64e
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1 changed files with 9 additions and 3 deletions
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12
routers/web/user/avatar.go
View file

@ -13,10 +13,16 @@ import (
"code.gitea.io/gitea/models" "code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/context" "code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/httpcache"
"code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/setting"
) )
func cacheableRedirect(ctx *context.Context, location string) {
ctx.Resp.Header().Set("Cache-Control", httpcache.GetCacheControl())
ctx.Redirect(location)
}
// Avatar redirect browser to user avatar of requested size // Avatar redirect browser to user avatar of requested size
func Avatar(ctx *context.Context) { func Avatar(ctx *context.Context) {
userName := ctx.Params(":username") userName := ctx.Params(":username")
@ -43,7 +49,7 @@ func Avatar(ctx *context.Context) {
user = models.NewGhostUser() user = models.NewGhostUser()
} }
ctx.Redirect(user.RealSizedAvatarLink(size)) cacheableRedirect(ctx, user.RealSizedAvatarLink(size))
} }
// AvatarByEmailHash redirects the browser to the appropriate Avatar link // AvatarByEmailHash redirects the browser to the appropriate Avatar link
@ -63,7 +69,7 @@ func AvatarByEmailHash(ctx *context.Context) {
return return
} }
if len(email) == 0 { if len(email) == 0 {
ctx.Redirect(models.DefaultAvatarLink()) cacheableRedirect(ctx, models.DefaultAvatarLink())
return return
} }
size := ctx.FormInt("size") size := ctx.FormInt("size")
@ -94,5 +100,5 @@ func AvatarByEmailHash(ctx *context.Context) {
} }
} }
ctx.Redirect(models.MakeFinalAvatarURL(avatarURL, size)) cacheableRedirect(ctx, models.MakeFinalAvatarURL(avatarURL, size))
} }