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// 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/context"
"code.gitea.io/gitea/modules/httpcache"
)
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.AddCacheControlToHeader(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) != "ghost" {
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(size))
}
// AvatarByEmailHash redirects the browser to the email avatar link
func AvatarByEmailHash(ctx *context.Context) {
hash := ctx.Params(":hash")
email, err := avatars.GetEmailForHash(hash)
if err != nil {
ctx.ServerError("invalid avatar hash: "+hash, err)
return
}
size := ctx.FormInt("size")
cacheableRedirect(ctx, avatars.GenerateEmailAvatarFinalLink(email, size))
}
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