refactor(deployment): Remove WireGuard VPN dependency and restore public service access
Remove WireGuard integration from production deployment to simplify infrastructure: - Remove docker-compose-direct-access.yml (VPN-bound services) - Remove VPN-only middlewares from Grafana, Prometheus, Portainer - Remove WireGuard middleware definitions from Traefik - Remove WireGuard IPs (10.8.0.0/24) from Traefik forwarded headers All monitoring services now publicly accessible via subdomains: - grafana.michaelschiemer.de (with Grafana native auth) - prometheus.michaelschiemer.de (with Basic Auth) - portainer.michaelschiemer.de (with Portainer native auth) All services use Let's Encrypt SSL certificates via Traefik.
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141
tests/debug/test-data-placement-order.php
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141
tests/debug/test-data-placement-order.php
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<?php
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declare(strict_types=1);
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require_once __DIR__ . '/../../vendor/autoload.php';
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use App\Framework\QrCode\QrCodeGenerator;
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use App\Framework\QrCode\ValueObjects\ErrorCorrectionLevel;
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use App\Framework\QrCode\ValueObjects\QrCodeConfig;
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use App\Framework\QrCode\ValueObjects\QrCodeVersion;
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use App\Framework\QrCode\ValueObjects\EncodingMode;
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echo "=== Data Placement Order Verification ===\n\n";
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// Test with simple data first
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$testData = 'HELLO WORLD';
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$config = new QrCodeConfig(
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version: QrCodeVersion::fromNumber(1),
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errorCorrectionLevel: ErrorCorrectionLevel::M,
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encodingMode: EncodingMode::BYTE
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);
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echo "Test data: '{$testData}'\n";
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echo "Expected: Should decode to 'HELLO WORLD'\n\n";
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$matrix = QrCodeGenerator::generate($testData, $config);
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$size = $matrix->getSize();
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// Simulate reading data bits back in placement order
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echo "Reading data bits from matrix (unmasking first)...\n";
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// First, we need to know which mask was used
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// Extract format info to determine mask
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$formatCols = [0, 1, 2, 3, 4, 5, 7, 8, $size - 1, $size - 2, $size - 3, $size - 4, $size - 5, $size - 6, $size - 7];
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$formatH = '';
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foreach ($formatCols as $col) {
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$formatH .= $matrix->getModuleAt(8, $col)->isDark() ? '1' : '0';
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}
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$xorMask = "101010000010010";
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$unmasked = '';
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for ($i = 0; $i < 15; $i++) {
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$unmasked .= (int)$formatH[$i] ^ (int)$xorMask[$i];
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}
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$maskBits = substr($unmasked, 2, 3);
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$maskPattern = bindec($maskBits);
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echo "Detected mask pattern: {$maskPattern}\n\n";
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// Now read data bits in placement order and unmask them
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use App\Framework\QrCode\Masking\MaskPattern as MaskPatternEnum;
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$mask = match($maskPattern) {
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0 => MaskPatternEnum::PATTERN_0,
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1 => MaskPatternEnum::PATTERN_1,
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2 => MaskPatternEnum::PATTERN_2,
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3 => MaskPatternEnum::PATTERN_3,
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4 => MaskPatternEnum::PATTERN_4,
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5 => MaskPatternEnum::PATTERN_5,
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6 => MaskPatternEnum::PATTERN_6,
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7 => MaskPatternEnum::PATTERN_7,
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};
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$dataBits = [];
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$bitIndex = 0;
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// Read in same order as placement
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for ($col = $size - 1; $col >= 1; $col -= 2) {
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if ($col === 6) {
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$col--;
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}
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$upward = ((int) (($size - 1 - $col) / 2) % 2) === 0;
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for ($i = 0; $i < $size; $i++) {
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$row = $upward ? ($size - 1 - $i) : $i;
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for ($c = 0; $c < 2; $c++) {
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$currentCol = $col - $c;
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// Skip function patterns
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if (($row <= 8 && $currentCol <= 8) ||
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($row <= 7 && $currentCol >= $size - 8) ||
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($row >= $size - 8 && $currentCol <= 7) ||
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$row === 6 || $currentCol === 6 ||
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($row === 8 && (($currentCol >= 0 && $currentCol <= 5) || $currentCol === 7 || $currentCol === 8 || $currentCol >= $size - 8)) ||
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($currentCol === 8 && (($row >= 0 && $row <= 5) || $row === 7 || $row === 8 || $row >= $size - 7)) ||
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($row === 13 && $currentCol === 8)) {
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continue;
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}
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// Read bit
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$maskedBit = $matrix->getModuleAt($row, $currentCol)->isDark() ? 1 : 0;
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// Unmask
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$unmaskedBit = $mask->shouldInvert($row, $currentCol) ? (1 - $maskedBit) : $maskedBit;
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$dataBits[] = $unmaskedBit;
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$bitIndex++;
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}
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}
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}
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echo "Read {$bitIndex} data bits\n";
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// Convert bits to codewords
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$codewords = [];
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for ($i = 0; $i < count($dataBits); $i += 8) {
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if ($i + 8 <= count($dataBits)) {
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$byte = '';
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for ($j = 0; $j < 8; $j++) {
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$byte .= (string)$dataBits[$i + $j];
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}
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$codewords[] = bindec($byte);
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}
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}
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echo "Extracted " . count($codewords) . " codewords\n";
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echo "First 10 codewords: " . implode(', ', array_slice($codewords, 0, 10)) . "\n\n";
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// Try to decode first few bytes
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echo "=== Decoding Attempt ===\n";
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if (count($codewords) >= 3) {
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// First byte should be mode indicator (0100 = 4)
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$mode = $codewords[0];
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echo "Mode indicator: {$mode} (expected: 4 for byte mode)\n";
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// Second byte should be character count
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$charCount = $codewords[1];
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echo "Character count: {$charCount} (expected: " . strlen($testData) . ")\n";
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// Next bytes should be data
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echo "First data bytes: ";
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for ($i = 2; $i < min(2 + strlen($testData), count($codewords)); $i++) {
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echo chr($codewords[$i]);
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}
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echo "\n";
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}
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