From fbd2bcbf378e9361ea8c9974cab70df37785bb8e Mon Sep 17 00:00:00 2001
From: Julio Spader <jcspader+github@hotmail.com>
Date: Mon, 8 Oct 2018 10:48:53 -0300
Subject: [PATCH] Additional: Included validation rule for CNPJ from Brazil

---
 src/additional/cnpjBR.js           | 69 ++++++++++++++++++++++++++++++
 src/localization/messages_pt_BR.js |  3 +-
 test/methods.js                    | 20 +++++++++
 3 files changed, 91 insertions(+), 1 deletion(-)
 create mode 100644 src/additional/cnpjBR.js

diff --git a/src/additional/cnpjBR.js b/src/additional/cnpjBR.js
new file mode 100644
index 000000000..41834380e
--- /dev/null
+++ b/src/additional/cnpjBR.js
@@ -0,0 +1,69 @@
+/*
+ * Brazillian value number (Cadastrado de Pessoas Juridica).
+ * value numbers have 14 digits in total: 12 numbers followed by 2 check numbers that are being used for validation.
+ */
+$.validator.addMethod( "cnpjBR", function( value ) {
+
+	// Removing no number
+	value = value.replace( /[^\d]+/g, "" );
+
+	// Checking value to have 14 digits only
+	if ( value.length !== 14 ) {
+		return false;
+	}
+
+	// Elimina values invalidos conhecidos
+	if ( value === "00000000000000" ||
+		value === "11111111111111" ||
+		value === "22222222222222" ||
+		value === "33333333333333" ||
+		value === "44444444444444" ||
+		value === "55555555555555" ||
+		value === "66666666666666" ||
+		value === "77777777777777" ||
+		value === "88888888888888" ||
+		value === "99999999999999" ) {
+		return false;
+	}
+
+	// Valida DVs
+	var tamanho = ( value.length - 2 );
+	var numeros = value.substring( 0, tamanho );
+	var digitos = value.substring( tamanho );
+	var soma = 0;
+	var pos = tamanho - 7;
+
+	for ( var i = tamanho; i >= 1; i-- ) {
+		soma += numeros.charAt( tamanho - i ) * pos--;
+		if ( pos < 2 ) {
+			pos = 9;
+		}
+	}
+
+	var resultado = soma % 11 < 2 ? 0 : 11 - soma % 11;
+
+	if ( resultado !== parseInt( digitos.charAt( 0 ), 10 ) ) {
+		return false;
+	}
+
+	tamanho = tamanho + 1;
+	numeros = value.substring( 0, tamanho );
+	soma = 0;
+	pos = tamanho - 7;
+
+	for ( var il = tamanho; il >= 1; il-- ) {
+		soma += numeros.charAt( tamanho - il ) * pos--;
+		if ( pos < 2 ) {
+			pos = 9;
+		}
+	}
+
+	resultado = soma % 11 < 2 ? 0 : 11 - soma % 11;
+
+	if ( resultado !== parseInt( digitos.charAt( 1 ), 10 ) ) {
+		return false;
+	}
+
+	return true;
+
+}, "Please specify a CNPJ value number" );
diff --git a/src/localization/messages_pt_BR.js b/src/localization/messages_pt_BR.js
index 4f9effad8..cfd018de8 100644
--- a/src/localization/messages_pt_BR.js
+++ b/src/localization/messages_pt_BR.js
@@ -74,5 +74,6 @@ $.extend( $.validator.messages, {
 	ziprange: "O c&oacute;digo postal deve estar entre 902xx-xxxx e 905xx-xxxx",
 	cpfBR: "Por favor, forne&ccedil;a um CPF v&aacute;lido.",
 	nisBR: "Por favor, forne&ccedil;a um NIS/PIS v&aacute;lido",
-	cnhBR: "Por favor, forne&ccedil;a um CNH v&aacute;lido."
+	cnhBR: "Por favor, forne&ccedil;a um CNH v&aacute;lido.",
+	cnpjBR: "Por favor, forne&ccedil;a um CNPJ v&aacute;lido."
 } );
diff --git a/test/methods.js b/test/methods.js
index ad2662c7e..f7a193536 100644
--- a/test/methods.js
+++ b/test/methods.js
@@ -1717,6 +1717,26 @@ QUnit.test( "cpfBR", function( assert ) {
 	assert.ok( !method( "11144477737" ), "Invalid CPF Number: 2nd check number failed" );
 } );
 
+QUnit.test( "cnpjBR", function( assert ) {
+	var method = methodTest( "cnpjBR" );
+	assert.ok( method( "18517604000175" ), "Valid CNPJ Number" );
+	assert.ok( method( "18.517.604/0001-75" ), "Valid CNPJ Number" );
+	assert.ok( method( "06994660000111" ), "Valid CNPJ Number" );
+	assert.ok( method( "06.994.660/0001-11" ), "Valid CNPJ Number" );
+	assert.ok( !method( "00000000000000" ), "Invalid CNPJ Number: dump data" );
+	assert.ok( !method( "11111111111111" ), "Invalid CNPJ Number: dump data" );
+	assert.ok( !method( "22222222222222" ), "Invalid CNPJ Number: dump data" );
+	assert.ok( !method( "99999999999999" ), "Invalid CNPJ Number: dump data" );
+	assert.ok( !method( "8517604000175" ), "Invalid CNPJ Number: < 14 digits" );
+	assert.ok( !method( "8.517.604/0001-75" ), "Invalid CNPJ Number: < 14 digits" );
+	assert.ok( !method( "1185176040001750" ), "Invalid CNPJ Number: > 14 digits" );
+	assert.ok( !method( "18.517.604/0001-750" ), "Invalid CNPJ Number: > 14 digits" );
+	assert.ok( !method( "18517604000174" ), "Invalid CNPJ Number" );
+	assert.ok( !method( "18.517.604/0001-74" ), "Invalid CNPJ Number" );
+	assert.ok( !method( "06994660000211" ), "Invalid CNPJ Number" );
+	assert.ok( !method( "06.994.660/0002-11" ), "Invalid CNPJ Number" );
+} );
+
 QUnit.test( "nisBR", function( assert ) {
 	var method = methodTest( "nisBR" );
 	assert.ok( method( "10757995753" ), "Valid NIS/PIS Number" );