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Ignore port for OAuth2 loopback redirect URIs (#21293) (#21373)

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Backport #21293

Following https://datatracker.ietf.org/doc/html/rfc8252#section-7.3

Fixes #21285
This commit is contained in:
M Hickford 2022-10-08 02:52:35 +01:00 committed by GitHub
parent 0495544b8a
commit 672d54fafa
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2 changed files with 33 additions and 0 deletions
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13
models/auth/oauth2.go
View file

@ -10,6 +10,7 @@ import (
"encoding/base32"
"encoding/base64"
"fmt"
"net"
"net/url"
"strings"
@ -56,6 +57,18 @@ func (app *OAuth2Application) PrimaryRedirectURI() string {
// ContainsRedirectURI checks if redirectURI is allowed for app
func (app *OAuth2Application) ContainsRedirectURI(redirectURI string) bool {
uri, err := url.Parse(redirectURI)
// ignore port for http loopback uris following https://datatracker.ietf.org/doc/html/rfc8252#section-7.3
if err == nil && uri.Scheme == "http" && uri.Port() != "" {
ip := net.ParseIP(uri.Hostname())
if ip != nil && ip.IsLoopback() {
// strip port
uri.Host = uri.Hostname()
if util.IsStringInSlice(uri.String(), app.RedirectURIs, true) {
return true
}
}
}
return util.IsStringInSlice(redirectURI, app.RedirectURIs, true)
}

20
models/auth/oauth2_test.go
View file

@ -42,6 +42,26 @@ func TestOAuth2Application_ContainsRedirectURI(t *testing.T) {
assert.False(t, app.ContainsRedirectURI("d"))
}
func TestOAuth2Application_ContainsRedirectURI_WithPort(t *testing.T) {
app := &OAuth2Application{
RedirectURIs: []string{"http://127.0.0.1/", "http://::1/", "http://192.168.0.1/", "http://intranet/", "https://127.0.0.1/"},
}
// http loopback uris should ignore port
// https://datatracker.ietf.org/doc/html/rfc8252#section-7.3
assert.True(t, app.ContainsRedirectURI("http://127.0.0.1:3456/"))
assert.True(t, app.ContainsRedirectURI("http://127.0.0.1/"))
assert.True(t, app.ContainsRedirectURI("http://[::1]:3456/"))
// not http
assert.False(t, app.ContainsRedirectURI("https://127.0.0.1:3456/"))
// not loopback
assert.False(t, app.ContainsRedirectURI("http://192.168.0.1:9954/"))
assert.False(t, app.ContainsRedirectURI("http://intranet:3456/"))
// unparseable
assert.False(t, app.ContainsRedirectURI(":"))
}
func TestOAuth2Application_ValidateClientSecret(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
app := unittest.AssertExistsAndLoadBean(t, &OAuth2Application{ID: 1}).(*OAuth2Application)