snapshot of https://github.com/go-gitea/gitea.git (main, 2026-09-15; blobs > 131072B omitted)

routers/web/user/avatar.go

@@ -0,0 +1,47 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"time"
+
+	"gitea.dev/models/avatars"
+	user_model "gitea.dev/models/user"
+	"gitea.dev/modules/httpcache"
+	"gitea.dev/services/context"
+)
+
+func cacheableRedirect(ctx *context.Context, location string) {
+	// here we should not use `setting.StaticCacheTime`, it is pretty long (default: 6 hours)
+	// we must make sure the redirection cache time is short enough, otherwise a user won't see the updated avatar in 6 hours
+	// it's OK to make the cache time short, it is only a redirection, and doesn't cost much to make a new request
+	httpcache.SetCacheControlInHeader(ctx.Resp.Header(), &httpcache.CacheControlOptions{MaxAge: 5 * time.Minute})
+	ctx.Redirect(location)
+}
+
+// AvatarByUsernameSize redirect browser to user avatar of requested size
+func AvatarByUsernameSize(ctx *context.Context) {
+	username := ctx.PathParam("username")
+	user := user_model.GetSystemUserByName(username)
+	if user == nil {
+		var err error
+		if user, err = user_model.GetUserByName(ctx, username); err != nil {
+			ctx.NotFoundOrServerError("GetUserByName", user_model.IsErrUserNotExist, err)
+			return
+		}
+	}
+	cacheableRedirect(ctx, user.AvatarLinkWithSize(ctx, ctx.PathParamInt("size")))
+}
+
+// AvatarByEmailHash redirects the browser to the email avatar link
+func AvatarByEmailHash(ctx *context.Context) {
+	hash := ctx.PathParam("hash")
+	email, err := avatars.GetEmailForHash(ctx, hash)
+	if err != nil {
+		ctx.ServerError("invalid avatar hash: "+hash, err)
+		return
+	}
+	size := ctx.FormInt("size")
+	cacheableRedirect(ctx, avatars.GenerateEmailAvatarFinalLink(ctx, email, size))
+}