feat: Add the support for SWIFT Business Identifier Code (BIC) format

Signed-off-by: codisart <[email protected]>

docs/book/validators/bic.md

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+# Iban Validator
+
+`Laminas\Validator\BusinessIdentifierCode` validates if a given value could be
+a BIC code as defined by ISO 9362:2014. BIC is the abbreviation for "Business
+Identifier Code".
+> The original scope of ISO 9362 was limited to the identification of banks;
+> consequently, the acronym “BIC” was used as an abbreviation for “bank
+> identifier code”. The scope has since been extended, in the first place to
+> cover all types of financial institutions, and in the 2009 edition, to cover
+> non-financial institutions as well.
+>
+> --- [ISO 9362:2014 Banking — Banking telecommunication messages — Business
+> identifier code (BIC)](https://www.iso.org/standard/60390.htm)
+
+## Supported options
+
+There are no additional supported options for the `BusinessIdentifierCode` validator.
+
+## BIC validation
+
+BIC codes should be a string which length should be equal to 8 or 11.
+
+* The 4 first characters can only be letters and it is used to identify a bank or an institution.
+
+* The following 2 characters can only be letters too and it should be a country code assigned within ISO 3166-1 alpha-2. The only exception is the code 'XK' used for the Republic of Kosovo.
+
+* The following 2 characters can be letters or digits. It is used to represent a location (like a city)
+
+* The last 3 characters are optional and can be letters or digits. It can represent a branche office. The code 'XXX' is often used to represent the ain office when the 11 characters code is used.
+
+## Basic usage
+
+```php
+$validator = new Laminas\Validator\BusinessIdentifierCode();
+
+if ($validator->isValid($bicCode)) {
+    // bic appears to be valid
+} else {
+    // bic is invalid; print the reasons
+}
+```

src/BusinessIdentifierCode.php

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+<?php
+/**
+ * @see       https://github.com/laminas/laminas-validator for the canonical source repository
+ * @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
+ * @license   https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
+ */
+
+namespace Laminas\Validator;
+
+use Laminas\Stdlib\ArrayUtils;
+use Traversable;
+
+class BusinessIdentifierCode extends AbstractValidator
+{
+    const INVALID = 'valueNotBic';
+    const NOT_STRING = 'valueNotString';
+    const NOT_VALID_COUNTRY = 'valueNotCountry';
+
+    /**
+     * @var array
+     */
+    protected $messageTemplates = [
+        self::NOT_STRING => 'Invalid type given; string expected',
+        self::INVALID => 'Invalid BIC format',
+        self::NOT_VALID_COUNTRY => 'Invalid country code',
+    ];
+
+    private const REGEX_BIC = '/^[A-Za-z]{4}([A-Za-z]{2})[0-9A-Za-z]{2}([0-9A-Za-z]{3})?$/';
+
+    /**
+     * @var array<ISO 3166-1 alpha-2>
+     */
+    private const ISO_COUNTRIES = [
+        'AD', 'AE', 'AF', 'AG', 'AI', 'AL', 'AM', 'AO', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AW', 'AX', 'AZ', 'BA', 'BB',
+        'BD', 'BE', 'BF', 'BG', 'BH', 'BI', 'BJ', 'BL', 'BM', 'BN', 'BO', 'BQ', 'BQ', 'BR', 'BS', 'BT', 'BV', 'BW',
+        'BY', 'BZ', 'CA', 'CC', 'CD', 'CF', 'CG', 'CH', 'CI', 'CK', 'CL', 'CM', 'CN', 'CO', 'CR', 'CU', 'CV', 'CW',
+        'CX', 'CY', 'CZ', 'DE', 'DJ', 'DK', 'DM', 'DO', 'DZ', 'EC', 'EE', 'EG', 'EH', 'ER', 'ES', 'ET', 'FI', 'FJ',
+        'FK', 'FM', 'FO', 'FR', 'GA', 'GB', 'GD', 'GE', 'GF', 'GG', 'GH', 'GI', 'GL', 'GM', 'GN', 'GP', 'GQ', 'GR',
+        'GS', 'GT', 'GU', 'GW', 'GY', 'HK', 'HM', 'HN', 'HR', 'HT', 'HU', 'ID', 'IE', 'IL', 'IM', 'IN', 'IO', 'IQ',
+        'IR', 'IS', 'IT', 'JE', 'JM', 'JO', 'JP', 'KE', 'KG', 'KH', 'KI', 'KM', 'KN', 'KP', 'KR', 'KW', 'KY', 'KZ',
+        'LA', 'LB', 'LC', 'LI', 'LK', 'LR', 'LS', 'LT', 'LU', 'LV', 'LY', 'MA', 'MC', 'MD', 'ME', 'MF', 'MG', 'MH',
+        'MK', 'ML', 'MM', 'MN', 'MO', 'MP', 'MQ', 'MR', 'MS', 'MT', 'MU', 'MV', 'MW', 'MX', 'MY', 'MZ', 'NA', 'NC',
+        'NE', 'NF', 'NG', 'NI', 'NL', 'NO', 'NP', 'NR', 'NU', 'NZ', 'OM', 'PA', 'PE', 'PF', 'PG', 'PH', 'PK', 'PL',
+        'PM', 'PN', 'PR', 'PS', 'PT', 'PW', 'PY', 'QA', 'RE', 'RO', 'RS', 'RU', 'RW', 'SA', 'SB', 'SC', 'SD', 'SE',
+        'SG', 'SH', 'SI', 'SJ', 'SK', 'SL', 'SM', 'SN', 'SO', 'SR', 'SS', 'ST', 'SV', 'SX', 'SY', 'SZ', 'TC', 'TD',
+        'TF', 'TG', 'TH', 'TJ', 'TK', 'TL', 'TM', 'TN', 'TO', 'TR', 'TT', 'TV', 'TW', 'TZ', 'UA', 'UG', 'UM', 'US',
+        'UY', 'UZ', 'VA', 'VC', 'VE', 'VG', 'VI', 'VN', 'VU', 'WF', 'WS', 'YE', 'YT', 'ZA', 'ZM', 'ZW',
+    ];
+
+    private const KOSOVO_EXCEPTION = 'XK';
+
+    /**
+     * @inheritDoc
+     */
+    public function isValid($value)
+    {
+        if (! is_string($value)) {
+            $this->error(self::NOT_STRING);
+            return false;
+        }
+
+        if (empty($value)
+            || !preg_match(self::REGEX_BIC, $value, $matches)
+        ) {
+            $this->error(self::INVALID);
+            return false;
+        }
+
+        if (!$this->isSwiftValidCountry($matches[1])) {
+            $this->error(self::NOT_VALID_COUNTRY);
+            return false;
+        }
+
+        return true;
+    }
+
+    private function isSwiftValidCountry(string $countryCode) : bool
+    {
+        return in_array($countryCode, self::ISO_COUNTRIES)
+            || $countryCode === self::KOSOVO_EXCEPTION;
+    }
+}

test/BusinessIdentifierCodeTest.php

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+<?php
+/**
+ * @see       https://github.com/laminas/laminas-validator for the canonical source repository
+ * @copyright https://github.com/laminas/laminas-validator/blob/master/COPYRIGHT.md
+ * @license   https://github.com/laminas/laminas-validator/blob/master/LICENSE.md New BSD License
+ */
+
+namespace LaminasTest\Validator;
+
+use PHPUnit\Framework\TestCase;
+use Laminas\Validator\BusinessIdentifierCode;
+
+/**
+ * \Laminas\BusinessIdentifierCode
+ *
+ * @group      Laminas_Validator
+ */
+class BusinessIdentifierCodeTest extends TestCase
+{
+    public function successProvider()
+    {
+        return [
+            'BANQUE ATLANTIQUE COTE D\'IVOIRE, ABIDJAN, Cote d\'Ivoire' => ['ATCICIAB'],
+            'BANQUE NATIONALE DU CANADA, MONTREAL, Canada' => ['BNDCCAMMINT'],
+            'BDO UNIBANK, INC., MANILA, Philippines' => ['BNORPHMM'],
+            'FEDERATION DES CAISSES DESJARDINS DU QUEBEC, LEVIS, Canada ' => ['CCDQCAMM'],
+            'COMMERZBANK AG, FRANKFURT AM MAIN, Germany' => ['COBADEFF'],
+            'DANSKE BANK A/S, COPENHAGEN, Denmark' => ['DABADKKK'],
+            'DEUTSCHE BANK AG, FRANKFURT AM MAIN, Germany ' => ['DEUTDEFF'],
+            'DEUTSCHE BANK AG, BAD HOMBURG, Germany' => ['DEUTDEFF500'],
+            'DB PRIVAT-UND FIRMENKUNDENBANK, DUSSELDORF, Germany' => ['DEUTDEDBDUE'],
+            'DAH SING BANK (CHINA) LIMITED, SHANGHAI, China ' => ['DSBACNBXSHA'],
+            'FINANCIERE DES PAIEMENTS ELECTRONIQUES, CHARENTON LE PONT, France' => ['FPELFR21XXX'],
+            'BNP PARIBAS FORTIS, BRUSSELS, Belgium ' => ['GEBABEBB'],
+            'PROCREDIT BANK SH.A KOSOVO, HEAD QUARTER, PRISTINA, Kosovo' => ['MBKOXKPRXXX'],
+            'NEDBANK LIMITED, JOHANNESBURG, South Africa' => ['NEDSZAJJ'],
+            'NEDBANK LIMITED, JOHANNESBURG, South Africa (primary office)' => ['NEDSZAJJXXX'],
+            'LA BANQUE POSTALE, MONTPELLIER, France' => ['PSSTFRPPMON'],
+            'LA BANQUE POSTALE, NANTES, France' => ['PSSTFRPPNTE'],
+            'UNICREDIT S.P.A., MILANO, Italy ' => ['UNCRITMM'],
+        ];
+    }
+
+    /**
+     * @dataProvider successProvider
+     */
+    public function testValidateSuccess($code)
+    {
+        $validator = new BusinessIdentifierCode();
+        self::assertTrue($validator->isValid($code));
+    }
+
+    public function NotAStringProvider()
+    {
+        return [
+            'number' => [123],
+            'array'  => [['DEUTDEFF']],
+            'object' => [new \stdClass()],
+        ];
+    }
+
+    /**
+     * @dataProvider NotAStringProvider
+     */
+    public function testNotAStringFailure($code)
+    {
+        $validator = new BusinessIdentifierCode();
+        self::assertFalse($validator->isValid($code));
+        self::assertCount(1, $validator->getMessages());
+        self::assertSame('Invalid type given; string expected', $validator->getMessages()['valueNotString']);
+    }
+
+    public function NotBicFormatProvider()
+    {
+        return [
+            'too short' => ['SHORT'],
+            'too long' => ['SOLOOOOOOOOOOOOOOOOOOONG'],
+            'use numbers for country code' => ['DEUT12AA'],
+        ];
+    }
+
+    /**
+     * @dataProvider NotBicFormatProvider
+     */
+    public function testNotBicFormatFailure($code)
+    {
+        $validator = new BusinessIdentifierCode();
+        self::assertFalse($validator->isValid($code));
+        self::assertCount(1, $validator->getMessages());
+        self::assertSame('Invalid BIC format', $validator->getMessages()['valueNotBic']);
+    }
+
+    public function NotSwiftCountryCodeProvider()
+    {
+        return [
+            'AA is not a assigned code' => ['DEUTAAFF'],
+            'UK is not the iso code for the united kingdom' => ['ABCDUKFF'],
+        ];
+    }
+
+    /**
+     * @dataProvider NotSwiftCountryCodeProvider
+     */
+    public function testNotSwiftCountryCodeFailure($code)
+    {
+        $validator = new BusinessIdentifierCode();
+        self::assertFalse($validator->isValid($code));
+        self::assertCount(1, $validator->getMessages());
+        self::assertSame('Invalid country code', $validator->getMessages()['valueNotCountry']);
+    }
+}