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test(session): ensure token tampering test always modifies token #64

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Merged
hmmftg merged 1 commit into from
Oct 3, 2026
Merged

test(session): ensure token tampering test always modifies token #64

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9 changes: 7 additions & 2 deletions v2/session/session_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -592,8 +592,13 @@ func TestCookieStore_EncryptionTamperedToken(t *testing.T) {
t.Fatalf("Save: %v", err)
}

// Tamper with the token by flipping a character.
tampered := token[:len(token)-5] + "X" + token[len(token)-4:]
// Tamper with the token by replacing a character. The replacement must
// differ from the original character, otherwise the token is unchanged.
replacement := "X"
if token[len(token)-5] == 'X' {
replacement = "Y"
}
tampered := token[:len(token)-5] + replacement + token[len(token)-4:]
_, err = store.Load(context.Background(), tampered)
if err == nil {
t.Fatal("expected error loading tampered encrypted token")
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