After OIDC login, if the redirect targets a trust center custom domain, the callback now redirects through a session-transfer endpoint on that domain. The endpoint verifies an HMAC-signed, time-limited token and sets the session cookie on the custom domain before redirecting to the final URL. The continue URL is bound into the signed token payload to prevent open-redirect attacks via parameter tampering. Signed-off-by: Bryan Frimin <bryan@getprobo.com>
74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package authn
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestSignAndVerifySessionTransfer(t *testing.T) {
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t.Parallel()
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secret := "test-secret-key"
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sessionID := "ses_abc123"
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continueURL := "https://custom.example.com/compliance"
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token, err := SignSessionTransfer(sessionID, continueURL, secret)
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require.NoError(t, err)
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require.NotEmpty(t, token)
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claims, err := VerifySessionTransfer(token, secret)
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require.NoError(t, err)
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assert.Equal(t, sessionID, claims.SessionID)
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assert.Equal(t, continueURL, claims.ContinueURL)
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}
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func TestVerifySessionTransfer_WrongSecret(t *testing.T) {
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t.Parallel()
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token, err := SignSessionTransfer("ses_abc123", "https://example.com", "secret-a")
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require.NoError(t, err)
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_, err = VerifySessionTransfer(token, "secret-b")
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assert.ErrorIs(t, err, ErrInvalidSessionTransferToken)
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}
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func TestVerifySessionTransfer_TamperedToken(t *testing.T) {
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t.Parallel()
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token, err := SignSessionTransfer("ses_abc123", "https://example.com", "secret")
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require.NoError(t, err)
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_, err = VerifySessionTransfer(token+"x", "secret")
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assert.ErrorIs(t, err, ErrInvalidSessionTransferToken)
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}
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func TestVerifySessionTransfer_MalformedToken(t *testing.T) {
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t.Parallel()
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_, err := VerifySessionTransfer("not-a-valid-token", "secret")
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assert.ErrorIs(t, err, ErrInvalidSessionTransferToken)
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}
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func TestSignSessionTransfer_EmptySecret(t *testing.T) {
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t.Parallel()
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_, err := SignSessionTransfer("ses_abc123", "https://example.com", "")
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assert.Error(t, err)
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}
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