325 lines
12 KiB
PHP
325 lines
12 KiB
PHP
<?php
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ob_start();
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require_once "Assure.php";
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session_start();
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header('Content-Type: application/json');
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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ob_end_clean();
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echo json_encode(['success' => false, 'message' => 'Méthode non autorisée']);
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exit;
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}
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class FacialVerificationAPI {
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private $assure_api;
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private $maxAttempts = 3;
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public function __construct() {
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$this->assure_api = $_SESSION['assure'];
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$this->maxAttempts = $this->assure_api
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? $this->assure_api->get_nbTentativeBiometrie($_SESSION['codeEntite'])
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: 3;
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}
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/**
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* Valide un token de vérification
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*/
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public function validateToken($token) {
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$_SESSION['lienPhoto'] = "";
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try {
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$request = $this->assure_api->valider_token();
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if (!$request) {
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return [
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'success' => false,
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'message' => 'Lien expiré ou invalide'
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];
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}
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$_SESSION['lienPhoto'] = $request['lienPhoto'];
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return [
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'success' => true,
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'message' => 'Token valide',
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'assure' => [
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'nom' => $request['nom'],
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'prenoms' => $request['prenoms']
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]
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];
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} catch (Exception $e) {
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error_log("Erreur validateToken: " . $e->getMessage());
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return [
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'success' => false,
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'message' => 'Erreur serveur'
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];
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}
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}
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/**
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* Compare deux visages avec l'API de reconnaissance faciale
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* Utilisez Azure Face API, AWS Rekognition, ou une solution locale
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*/
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private function compareFaces($referenceImagePath, $capturedImageBase64) {
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/*
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var_dump(
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array(
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"referenceImagePath" => $referenceImagePath,
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"capturedImageBase64" => $capturedImageBase64,
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// "photoAssureCrypte" => $_SESSION['photoAssureCrypte'],
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// "lienPhoto" => $_SESSION['lienPhoto'],
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)
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);
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exit;
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*/
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// Option 2: AWS Rekognition
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return $this->compareWithAWSRekognition($referenceImagePath, $capturedImageBase64);
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}
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/**
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* Comparaison avec AWS Rekognition (Alternative)
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*/
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private function compareWithAWSRekognition($referenceImagePath, $capturedImageBase64) {
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require_once 'vendor/autoload.php';
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try {
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$rekognitionClient = new Aws\Rekognition\RekognitionClient([
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'version' => 'latest',
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'region' => 'us-west-2',
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'credentials' => [
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'key' => 'AKIA2O2PTXQ7XN5OATO3',
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'secret' => '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'
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]
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]);
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$referenceImageData = file_get_contents($referenceImagePath);
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$capturedImageData = base64_decode(explode(',', $capturedImageBase64)[1]);
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$result = $rekognitionClient->compareFaces([
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'SourceImage' => ['Bytes' => $capturedImageData],
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'TargetImage' => ['Bytes' => $referenceImageData],
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'SimilarityThreshold' => 80
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]);
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var_dump($result);
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exit;
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if (empty($result['FaceMatches'])) {
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return [
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'match' => false,
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'confidence' => 0,
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'error' => 'Les visages ne correspondent pas'
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];
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}
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$similarity = $result['FaceMatches'][0]['Similarity'];
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return [
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'match' => $similarity >= 80,
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'confidence' => round($similarity, 2),
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'error' => null
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];
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} catch (Exception $e) {
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error_log("Erreur AWS Rekognition: " . $e->getMessage());
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return [
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'match' => false,
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'confidence' => 0,
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'error' => 'Erreur lors de la vérification faciale'
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];
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}
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}
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/**
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* Enregistre la photo capturée
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*/
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private function saveCapturedImage($assureId, $imageBase64) {
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$uploadDir = 'uploads/facial_verification/';
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if (!file_exists($uploadDir)) {
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mkdir($uploadDir, 0755, true);
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}
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$imageData = explode(',', $imageBase64)[1];
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$imageData = base64_decode($imageData);
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$filename = $uploadDir . $assureId . '_' . time() . '.jpg';
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file_put_contents($filename, $imageData);
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return $filename;
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}
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/**
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* Met à jour le statut de la vérification
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*/
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private function updateVerificationStatus($token, $status, $matchResult = null, $capturedPhotoPath = null) {
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$sql = "UPDATE facial_verification_requests
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SET status = ?,
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verified_at = NOW(),
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match_confidence = ?,
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captured_photo_path = ?,
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attempts = attempts + 1
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WHERE verification_token = ?";
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$stmt = $this->db->prepare($sql);
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$stmt->execute([
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$status,
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$matchResult ? $matchResult['confidence'] : null,
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$capturedPhotoPath,
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$token
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]);
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}
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/**
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* Crée une session d'autorisation pour l'accès aux prestations
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*/
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private function createAuthorizationSession($assureId, $verificationRequestId) {
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$sessionToken = bin2hex(random_bytes(32));
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$expiresAt = date('Y-m-d H:i:s', time() + 3600);
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$sql = "INSERT INTO prestation_authorization_sessions
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(idBeneficiaire, verification_request_id, session_token, expires_at, status)
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VALUES (?, ?, ?, ?, 'active')";
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$stmt = $this->db->prepare($sql);
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$stmt->execute([$assureId, $verificationRequestId, $sessionToken, $expiresAt]);
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return $sessionToken;
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}
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/**
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* Vérifie le visage capturé
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*/
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public function verifyFace($token, $capturedImageBase64) {
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try {
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// 1. Récupérer les infos de la demande
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$request = $this->assure_api->valider_token();
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// var_dump($request);
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if (!$request) {
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return [
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'success' => false,
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'match' => false,
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'message' => 'Demande expirée ou invalide'
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];
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}
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// 2. Vérifier le nombre de tentatives
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if ($request['attempts'] >= $this->maxAttempts) {
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$this->updateVerificationStatus($token, 'failed');
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return [
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'success' => false,
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'match' => false,
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'message' => 'Nombre maximum de tentatives atteint'
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];
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}
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// 3. Enregistrer la photo capturée
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$capturedPhotoPath = $this->saveCapturedImage($request['idBeneficiaire'], $capturedImageBase64);
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// 4. Comparer les visages
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$comparisonResult = $this->compareFaces(
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$_SESSION['photoAssureCrypte'],
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$capturedImageBase64
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);
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if ($comparisonResult['error']) {
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$this->updateVerificationStatus($token, 'error', $comparisonResult, $capturedPhotoPath);
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return [
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'success' => false,
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'match' => false,
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'message' => $comparisonResult['error'],
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'attempts_remaining'=> $this->maxAttempts - ($request['attempts'] + 1)
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];
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}
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// 5. Seuil de confiance minimum (80%)
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$confidenceThreshold = 80;
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$isMatch = $comparisonResult['match'] && $comparisonResult['confidence'] >= $confidenceThreshold;
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if ($isMatch) {
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$this->updateVerificationStatus($token, 'verified', $comparisonResult, $capturedPhotoPath);
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$sessionToken = $this->createAuthorizationSession($request['idBeneficiaire'], $request['id']);
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return [
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'success' => true,
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'match' => true,
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'confidence' => $comparisonResult['confidence'],
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'message' => 'Identité vérifiée avec succès',
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'session_token' => $sessionToken,
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'redirect_url' => 'saisie_prestations.php?token=' . $sessionToken
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];
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} else {
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$attemptsRemaining = $this->maxAttempts - ($request['attempts'] + 1);
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if ($attemptsRemaining > 0) {
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$this->updateVerificationStatus($token, 'pending', $comparisonResult, $capturedPhotoPath);
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return [
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'success' => false,
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'match' => false,
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'confidence' => $comparisonResult['confidence'],
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'message' => 'Votre visage ne correspond pas',
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'attempts_remaining' => $attemptsRemaining
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];
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} else {
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$this->updateVerificationStatus($token, 'failed', $comparisonResult, $capturedPhotoPath);
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return [
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'success' => false,
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'match' => false,
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'confidence' => $comparisonResult['confidence'],
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'message' => 'Vérification échouée. Nombre maximum de tentatives atteint.',
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'attempts_remaining' => 0
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];
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}
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}
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} catch (Exception $e) {
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error_log("Erreur verifyFace: " . $e->getMessage());
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return [
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'success' => false,
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'match' => false,
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'message' => 'Erreur lors de la vérification: ' . $e->getMessage()
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];
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}
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}
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}
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// Traiter la requête
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$input = json_decode(file_get_contents('php://input'), true);
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$action = $input['action'] ?? null;
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$api = new FacialVerificationAPI();
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switch ($action) {
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case 'validate_token':
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$token = $input['token'] ?? null;
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if (!$token) {
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echo json_encode(['success' => false, 'message' => 'Token requis']);
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exit;
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}
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echo json_encode($api->validateToken($token));
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break;
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case 'verify_face':
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$token = $input['token'] ?? null;
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$image = $input['image'] ?? null;
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if (!$token || !$image) {
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echo json_encode(['success' => false, 'message' => 'Token et image requis']);
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exit;
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}
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echo json_encode($api->verifyFace($token, $image));
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break;
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default:
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echo json_encode(['success' => false, 'message' => 'Action invalide']);
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}
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} else {
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// echo json_encode(['success' => false, 'message' => 'Méthode non autorisée']);
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ob_end_clean(); // ✅ vide le buffer avant d'envoyer le JSON
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echo json_encode(['success' => false, 'message' => 'Méthode non autorisée']);
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} |