From dd136858f1ea40ad3c94191d647487fa4f31926c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 routers/web/user/avatar.go | 57 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 routers/web/user/avatar.go

(limited to 'routers/web/user/avatar.go')

diff --git a/routers/web/user/avatar.go b/routers/web/user/avatar.go
new file mode 100644
index 0000000..04f5101
--- /dev/null
+++ b/routers/web/user/avatar.go
@@ -0,0 +1,57 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/models/avatars"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/httpcache"
+	"code.gitea.io/gitea/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(), 5*time.Minute)
+	ctx.Redirect(location)
+}
+
+// AvatarByUserName redirect browser to user avatar of requested size
+func AvatarByUserName(ctx *context.Context) {
+	userName := ctx.Params(":username")
+	size := int(ctx.ParamsInt64(":size"))
+
+	var user *user_model.User
+	if strings.ToLower(userName) != user_model.GhostUserLowerName {
+		var err error
+		if user, err = user_model.GetUserByName(ctx, userName); err != nil {
+			if user_model.IsErrUserNotExist(err) {
+				ctx.NotFound("GetUserByName", err)
+				return
+			}
+			ctx.ServerError("Invalid user: "+userName, err)
+			return
+		}
+	} else {
+		user = user_model.NewGhostUser()
+	}
+
+	cacheableRedirect(ctx, user.AvatarLinkWithSize(ctx, size))
+}
+
+// AvatarByEmailHash redirects the browser to the email avatar link
+func AvatarByEmailHash(ctx *context.Context) {
+	hash := ctx.Params(":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))
+}
-- 
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