64 lines
1.5 KiB
PHP
64 lines
1.5 KiB
PHP
<?php
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session_start();
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require_once __DIR__ . "/db.php";
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header("Content-Type: application/json");
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// Get user token from session or URL
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$userToken = $_GET['token'] ?? null;
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if (!$userToken) {
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http_response_code(403);
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echo json_encode(["error" => "Invalid authentication token: " . htmlspecialchars($userToken)]);
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exit;
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}
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// Connect to the database
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$conn = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME);
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if ($conn->connect_error) {
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http_response_code(500);
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echo json_encode(["error" => "Database connection failed: " . $conn->connect_error]);
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exit;
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}
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// Fetch user ID using token
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$stmt = $conn->prepare("SELECT id, token_expires_at FROM users WHERE auth_token = ?");
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$stmt->bind_param("s", $userToken);
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$stmt->execute();
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$result = $stmt->get_result();
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$user = $result->fetch_assoc();
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if (!$user) {
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http_response_code(403);
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echo json_encode(["error" => "Invalid authentication token."]);
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exit;
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}
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// Check if token is expired
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if (strtotime($user['token_expires_at']) < time()) {
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http_response_code(403);
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echo json_encode(["error" => "Authentication token has expired."]);
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exit;
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}
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$userId = $user['id'];
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// Fetch saved responses
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$stmt = $conn->prepare("SELECT * FROM questionnaire_responses WHERE user_id = ?");
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$stmt->bind_param("i", $userId);
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$stmt->execute();
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$result = $stmt->get_result();
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$response = $result->fetch_assoc();
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if ($response) {
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echo json_encode($response);
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} else {
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echo json_encode(["message" => "No previous responses found."]);
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}
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$conn->close();
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exit;
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?>
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