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[Backport] [Fix] use default avatar for ghost user (fix 500 error) (#9536) #9537

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Dec 30, 2019
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20 changes: 13 additions & 7 deletions routers/user/avatar.go
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ package user

import (
"strconv"
"strings"

"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/context"
Expand All @@ -23,14 +24,19 @@ func Avatar(ctx *context.Context) {

log.Debug("Asked avatar for user %v and size %v", userName, size)

user, err := models.GetUserByName(userName)
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.ServerError("Requested avatar for invalid user", err)
} else {
ctx.ServerError("Retrieving user by name", err)
var user *models.User
if strings.ToLower(userName) != "ghost" {
user, err = models.GetUserByName(userName)
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.ServerError("Requested avatar for invalid user", err)
} else {
ctx.ServerError("Retrieving user by name", err)
}
return
}
return
} else {
user = models.NewGhostUser()
}

ctx.Redirect(user.RealSizedAvatarLink(size))
Expand Down