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Migrate remaining encrypted-column lookups to the blind index

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Completes the set of queries that matched a freshly encrypted value against a
stored one, which only works while encryption is deterministic. Each keeps its
original comparison and adds an index comparison in the same WHERE, so nothing
changes today.

- passenger sign-in by email, service-staff sign-in, Firebase token lookup
- driver lookup by phone and by national number
- admin ride lookup and ride monitor (both tables)
- nabeh: driver status, user resolution, ride history, complaint submission

transit_org_admins lives in the transit database and has no index column, so
login there falls back to decrypting the small set of active admins and
comparing normalised numbers.

Schema: adds users.email_bidx/phone_bidx and driver.national_bidx with their
indexes.

Verified that every :*_bidx placeholder introduced is actually bound — an
unbound one is a fatal error at request time, not a silent miss.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Hamza-Ayed
2026-07-25 16:36:32 +03:00
co-authored by Claude Opus 5
parent 39b5a7fc7f
commit 8d7e3118b5
14 changed files with 109 additions and 28 deletions
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backend/nabeh/submit_complaint.php
+7 -4
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@@ -64,14 +64,17 @@ global $encryptionHelper;
// ── Resolve user by phone ────────────────────────────────────
$encryptedPhone = $encryptionHelper->encryptData($phone);
$driverRow = $mainDb->prepare("SELECT id, first_name, last_name FROM driver WHERE phone = :p LIMIT 1");
$driverRow->execute([':p' => $encryptedPhone]);
global $blindIndex;
$dBidx = $blindIndex ? $blindIndex->index('driver.phone', $phone) : null;
$pBidx = $blindIndex ? $blindIndex->index('passengers.phone', $phone) : null;
$driverRow = $mainDb->prepare("SELECT id, first_name, last_name FROM driver WHERE phone = :p OR (:bidx IS NOT NULL AND phone_bidx = :bidx) LIMIT 1");
$driverRow->execute([':p' => $encryptedPhone, ':bidx' => $dBidx]);
$driver = $driverRow->fetch(PDO::FETCH_ASSOC);
$passengerRow = null;
if (!$driver) {
$passengerRow = $mainDb->prepare("SELECT id, first_name, last_name FROM passengers WHERE phone = :p LIMIT 1");
$passengerRow->execute([':p' => $encryptedPhone]);
$passengerRow = $mainDb->prepare("SELECT id, first_name, last_name FROM passengers WHERE phone = :p OR (:bidx IS NOT NULL AND phone_bidx = :bidx) LIMIT 1");
$passengerRow->execute([':p' => $encryptedPhone, ':bidx' => $pBidx]);
$passenger = $passengerRow->fetch(PDO::FETCH_ASSOC);
}