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Adiciona validação de CNPJ alfanumérico #156

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Adiciona validação de CNPJ alfanumérico #156

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69 changes: 50 additions & 19 deletions src/validator-docs/Rules/Cnpj.php
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Original file line number Diff line number Diff line change
Expand Up @@ -4,39 +4,70 @@

namespace geekcom\ValidatorDocs\Rules;

use function mb_strlen;
use function preg_match;

final class Cnpj extends Sanitization
{
private const CNPJ_BASE_LENGTH = 12;
private const REGEX_CNPJ_BASE = '/^[A-Z\d]{12}$/';
private const REGEX_CNPJ_FULL = '/^[A-Z\d]{12}\d{2}$/';
private const ASCII_ZERO = 48; // '0' in ASCII
private const ZEROED_CNPJ = '00000000000000';

// Weights from right to left: 2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5 (for DV1)
// and 2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5, 6 (for DV2)
private const DV1_WEIGHTS = [5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
private const DV2_WEIGHTS = [6, 5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2];

public function validateCnpj($attribute, $value): bool
{
$c = $this->sanitize($value);
$cnpjClean = strtoupper($this->sanitizeCNPJAlphanumeric($value));
if ($cnpjClean !== self::ZEROED_CNPJ && preg_match(self::REGEX_CNPJ_FULL, $cnpjClean)) {
$providedDV = substr($cnpjClean, self::CNPJ_BASE_LENGTH);
$calculatedDV = $this->calculateCNPJCheckDigits(substr($cnpjClean, 0, self::CNPJ_BASE_LENGTH));

if (mb_strlen($c) != 14 || preg_match("/^{$c[0]}{14}$/", $c)) {
return false;
return $providedDV === $calculatedDV;
}

$b = [6, 5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
return false;
}

for (
$i = 0, $n = 0; $i < 12; $n += $c[$i] * $b[++$i]
) {
}
/**
* Calculate CNPJ check digits (DV) using the new alphanumeric rules.
*/
public function calculateCNPJCheckDigits($cnpj): string
{
$cnpjClean = strtoupper($this->sanitizeCNPJAlphanumeric($cnpj));
if (preg_match(self::REGEX_CNPJ_BASE, $cnpjClean) && substr(self::ZEROED_CNPJ, 0, strlen($cnpjClean)) !== $cnpjClean) {
// Calculate DV1
$sumDV1 = 0;
for ($i = 0; $i < self::CNPJ_BASE_LENGTH; $i++) {
$charValue = ord($cnpjClean[$i]) - self::ASCII_ZERO;
$sumDV1 += $charValue * self::DV1_WEIGHTS[$i];
}

if ($c[12] != ((($n %= 11) < 2) ? 0 : 11 - $n)) {
return false;
}
$remainder1 = $sumDV1 % 11;
$dv1 = ($remainder1 < 2) ? 0 : 11 - $remainder1;

for (
$i = 0, $n = 0; $i <= 12; $n += $c[$i] * $b[$i++]
) {
}
// Calculate DV2 (includes DV1 at the end)
$sumDV2 = 0;
for ($i = 0; $i < self::CNPJ_BASE_LENGTH; $i++) {
$charValue = ord($cnpjClean[$i]) - self::ASCII_ZERO;
$sumDV2 += $charValue * self::DV2_WEIGHTS[$i];
}
$sumDV2 += $dv1 * self::DV2_WEIGHTS[self::CNPJ_BASE_LENGTH];

$remainder2 = $sumDV2 % 11;
$dv2 = ($remainder2 < 2) ? 0 : 11 - $remainder2;

if ($c[13] != ((($n %= 11) < 2) ? 0 : 11 - $n)) {
return false;
return "{$dv1}{$dv2}";
}

return true;
throw new \InvalidArgumentException('Invalid CNPJ');
}

private function sanitizeCNPJAlphanumeric(string $value): string
{
return preg_replace('/[.\-\/]/', '', strtoupper(trim($value)));
}
}
39 changes: 26 additions & 13 deletions tests/TestValidator.php
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Original file line number Diff line number Diff line change
Expand Up @@ -24,22 +24,35 @@ public function cpf()
$this->assertTrue($incorrect->fails());
}

/** @test **/
public function cnpj()
/**
* @test
* @dataProvider cnpjDataProvider
**/
public function cnpj(string $cnpj, bool $expected): void
{
$correct = Validator::make(
['certo' => '53.084.587/0001-20'],
['certo' => 'cnpj']
);

$incorrect = Validator::make(
['errado' => '51.084.587/0001-20'],
['errado' => 'cnpj']
);
$valid = Validator::make(['cnpj_attribute' => $cnpj], ['cnpj_attribute' => 'cnpj'])->passes();

$this->assertTrue($correct->passes());
$this->assertSame($expected, $valid);
}

$this->assertTrue($incorrect->fails());
public function cnpjDataProvider(): array
{
return [
'Alphanumeric CNPJ with dots and dashes 1' => ['T6.JSP.XPS/0001-11', true],
'Alphanumeric CNPJ with dots and dashes 2' => ['T6.JSP.XPS/J84K-69', true],
'Alphanumeric CNPJ with dots and dashes 3' => ['D2.M97.AA0/0001-63', true],
'Alphanumeric CNPJ with dots and dashes 4' => ['W9.7VY.JMY/0001-81', true],
'Alphanumeric CNPJ clean 1' => ['E5SGVHX9000190', true],
'Alphanumeric CNPJ clean 2' => ['E5SGVHX960LR53', true],
'Alphanumeric CNPJ clean 3' => ['12ABC34501DE35', true],
'Numeric CNPJ with dots and dashes 1' => ['32.332.643/0001-29', true],
'Numeric CNPJ with dots and dashes 2' => ['32.332.643/3060-40', true],
'Numeric CNPJ clean 1' => ['38725833000192', true],
'Numeric CNPJ clean 2' => ['38725833223060', true],
'Invalid CNPJ' => ['12.345.678/0001-00', false],
'Zeroed CNPJ' => ['00.000.000/0000-00', false],
'CNPJ with invalid characters' => ['32.332.643/0001-9!', false],
];
}

/** @test **/
Expand Down