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Redirect on bad CSRF instead of presenting bad page (#14937)

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The current CSRF handler is a bit harsh with bad CSRF tokens on webpages
I think we can be a little kinder and redirect to base page with a flash error

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-07-08 14:57:24 +01:00 • committed by GitHub
parent fc1607b368
commit d06f9ce274
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 31 additions and 5 deletions
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23
modules/context/csrf.go
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@ -22,6 +22,7 @@ import (
"net/http"
"time"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/web/middleware"
"github.com/unknwon/com"
@ -266,7 +267,12 @@ func Validate(ctx *Context, x CSRF) {
-1,
x.GetCookiePath(),
x.GetCookieDomain()) // FIXME: Do we need to set the Secure, httpOnly and SameSite values too?
x.Error(ctx.Resp)
if middleware.IsAPIPath(ctx.Req) {
x.Error(ctx.Resp)
return
}
ctx.Flash.Error(ctx.Tr("error.invalid_csrf"))
ctx.Redirect(setting.AppSubURL + "/")
}
return
}
@ -277,10 +283,19 @@ func Validate(ctx *Context, x CSRF) {
-1,
x.GetCookiePath(),
x.GetCookieDomain()) // FIXME: Do we need to set the Secure, httpOnly and SameSite values too?
x.Error(ctx.Resp)
if middleware.IsAPIPath(ctx.Req) {
x.Error(ctx.Resp)
return
}
ctx.Flash.Error(ctx.Tr("error.invalid_csrf"))
ctx.Redirect(setting.AppSubURL + "/")
}
return
}
http.Error(ctx.Resp, "Bad Request: no CSRF token present", http.StatusBadRequest)
if middleware.IsAPIPath(ctx.Req) {
http.Error(ctx.Resp, "Bad Request: no CSRF token present", http.StatusBadRequest)
return
}
ctx.Flash.Error(ctx.Tr("error.missing_csrf"))
ctx.Redirect(setting.AppSubURL + "/")
}