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fix(security): redact replication-slot diagnostics #262

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fix(security): redact replication-slot diagnostics #262

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7 changes: 5 additions & 2 deletions cdc-service/src/test/java/com/xtrmetl/cdc/service/ReplicationSlotProbeTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -51,14 +51,17 @@ void reportsNotFoundWhenEmpty() {
}

@Test
void failOpenOnDataAccessError() {
void failOpenOnDataAccessErrorWithoutExposingDiagnostic() {
JdbcTemplate jdbc = mock(JdbcTemplate.class);
String sensitiveDiagnostic = "jdbc:postgresql://private-db:5432/app?user=etl&password=secret-value";
when(jdbc.queryForList(anyString(), eq("xtrmetl_slot")))
.thenThrow(new DataAccessResourceFailureException("down"));
.thenThrow(new DataAccessResourceFailureException(sensitiveDiagnostic));

Map<String, Object> result = new ReplicationSlotProbe(jdbc).probeSlot("xtrmetl_slot");

assertFalse((Boolean) result.get("available"));
assertEquals("query_failed", result.get("error"));
assertEquals("Replication slot query failed", result.get("message"));
assertFalse(result.values().stream().map(String::valueOf).anyMatch(value -> value.contains(sensitiveDiagnostic)));
}
}
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