cygouw
119 lines
3.9 KiB
PHP
119 lines
3.9 KiB
PHP
<?php
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require_once __DIR__ . '/config.php';
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header('Access-Control-Allow-Origin: *');
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header('Access-Control-Allow-Methods: POST, OPTIONS');
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header('Access-Control-Allow-Headers: Content-Type');
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header('Access-Control-Allow-Credentials: true');
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if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') exit;
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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jsonResponse(['error' => 'Method tidak didukung'], 405);
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}
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$user = requireRole(['admin', 'surveyor']);
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// ── Validasi file ────────────────────────────
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if (!isset($_FILES['foto']) || $_FILES['foto']['error'] !== UPLOAD_ERR_OK) {
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jsonResponse(['success' => false, 'error' => 'File foto wajib diunggah'], 422);
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}
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$file = $_FILES['foto'];
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// Cek ukuran
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if ($file['size'] > MAX_UPLOAD_SIZE) {
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jsonResponse(['success' => false, 'error' => 'Ukuran file melebihi batas 5MB'], 422);
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}
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// Cek tipe file
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$allowedTypes = ['image/jpeg', 'image/jpg', 'image/png'];
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$finfo = finfo_open(FILEINFO_MIME_TYPE);
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$mimeType = finfo_file($finfo, $file['tmp_name']);
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finfo_close($finfo);
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if (!in_array($mimeType, $allowedTypes)) {
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jsonResponse(['success' => false, 'error' => 'Hanya file JPEG dan PNG yang diizinkan'], 422);
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}
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// ── Buat folder uploads jika belum ada ───────
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if (!is_dir(UPLOAD_DIR)) {
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mkdir(UPLOAD_DIR, 0755, true);
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}
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// ── Generate nama file unik ──────────────────
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$ext = ($mimeType === 'image/png') ? 'png' : 'jpg';
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$filename = date('Ymd_His') . '_' . bin2hex(random_bytes(4)) . '.' . $ext;
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$destPath = UPLOAD_DIR . $filename;
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$webPath = 'uploads/' . $filename;
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// ── Pindahkan file ───────────────────────────
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if (!move_uploaded_file($file['tmp_name'], $destPath)) {
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jsonResponse(['success' => false, 'error' => 'Gagal menyimpan file'], 500);
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}
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// ── Extract EXIF GPS ─────────────────────────
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$lat = null;
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$lng = null;
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$hasGps = false;
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if ($mimeType === 'image/jpeg' || $mimeType === 'image/jpg') {
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$exif = @exif_read_data($destPath, 'GPS', true);
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if ($exif && isset($exif['GPS']['GPSLatitude']) && isset($exif['GPS']['GPSLongitude'])) {
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$lat = exifGpsToDecimal(
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$exif['GPS']['GPSLatitude'],
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$exif['GPS']['GPSLatitudeRef'] ?? 'N'
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);
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$lng = exifGpsToDecimal(
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$exif['GPS']['GPSLongitude'],
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$exif['GPS']['GPSLongitudeRef'] ?? 'E'
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);
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$hasGps = true;
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}
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}
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auditLog(getDB(), $user['id'], 'UPLOAD_FOTO', null, null, null, [
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'filename' => $filename, 'has_gps' => $hasGps
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]);
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jsonResponse([
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'success' => true,
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'foto_path' => $webPath,
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'lat' => $lat,
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'lng' => $lng,
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'has_gps' => $hasGps,
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]);
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// ══════════════════════════════════════════════
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// EXIF GPS Helper
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// ══════════════════════════════════════════════
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/**
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* Konversi EXIF GPS coordinate (DMS) ke desimal
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* @param array $coord Array of 3 fractions [degrees, minutes, seconds]
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* @param string $ref Hemisphere reference (N/S/E/W)
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*/
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function exifGpsToDecimal(array $coord, string $ref): float {
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$degrees = exifFractionToFloat($coord[0]);
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$minutes = exifFractionToFloat($coord[1]);
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$seconds = exifFractionToFloat($coord[2]);
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$decimal = $degrees + ($minutes / 60) + ($seconds / 3600);
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if ($ref === 'S' || $ref === 'W') {
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$decimal *= -1;
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}
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return round($decimal, 8);
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}
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/**
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* Konversi fraction string "num/den" ke float
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*/
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function exifFractionToFloat(string $fraction): float {
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$parts = explode('/', $fraction);
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if (count($parts) === 2 && (float)$parts[1] !== 0.0) {
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return (float)$parts[0] / (float)$parts[1];
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}
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return (float)$parts[0];
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}
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