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Redirect on bad CSRF instead of presenting bad page #14937

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Merged
merged 5 commits into from
Jul 8, 2021
Merged

Redirect on bad CSRF instead of presenting bad page #14937

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2da8f6a
Redirect on bad CSRF instead of presenting bad page
zeripath Mar 9, 2021
734aef9
fix test
zeripath Mar 11, 2021
954c879
Merge remote-tracking branch 'origin/master' into invalid-csrf-redirect
zeripath Mar 11, 2021
f23b496
Merge branch 'main' into invalid-csrf-redirect
6543 Jun 28, 2021
e129316
Merge branch 'main' into invalid-csrf-redirect
6543 Jul 8, 2021
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11 changes: 10 additions & 1 deletion integrations/repo_branch_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import (
"strings"
"testing"

"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/test"

"github.com/stretchr/testify/assert"
Expand Down Expand Up @@ -134,5 +135,13 @@ func TestCreateBranchInvalidCSRF(t *testing.T) {
"_csrf": "fake_csrf",
"new_branch_name": "test",
})
session.MakeRequest(t, req, http.StatusBadRequest)
resp := session.MakeRequest(t, req, http.StatusFound)
loc := resp.Header().Get("Location")
assert.Equal(t, setting.AppSubURL+"/", loc)
resp = session.MakeRequest(t, NewRequest(t, "GET", loc), http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
assert.Equal(t,
"Bad Request: Invalid CSRF token",
strings.TrimSpace(htmlDoc.doc.Find(".ui.message").Text()),
)
}
23 changes: 19 additions & 4 deletions modules/context/csrf.go
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Original file line number Diff line number Diff line change
Expand Up @@ -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"
Expand Down Expand Up @@ -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
}
Expand All @@ -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 + "/")
}
2 changes: 2 additions & 0 deletions options/locale/locale_en-US.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,8 @@ never = Never
[error]
occurred = An error has occurred
report_message = If you are sure this is a Gitea bug, please search for issue on <a href="https://github.com/go-gitea/gitea/issues">GitHub</a> and open new issue if necessary.
missing_csrf = Bad Request: no CSRF token present
invalid_csrf = Bad Request: Invalid CSRF token

[startpage]
app_desc = A painless, self-hosted Git service
Expand Down