From 6c6b33caccb9cecb99bc56045d0139c60f851a33 Mon Sep 17 00:00:00 2001
From: Clemens Schwaighofer <clemens.schwaighofer@egplusww.com>
Date: Mon, 2 Dec 2024 15:54:35 +0900
Subject: [PATCH] add uuidv4 verify method

---
 src/Convert/Color/Coordinates/HSB.php         |  2 +-
 src/Convert/Color/Coordinates/HSL.php         |  2 +-
 src/Create/Uids.php                           | 34 ++++++++-----------
 .../phpunit/Create/CoreLibsCreateUidsTest.php | 18 ++++++----
 4 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/src/Convert/Color/Coordinates/HSB.php b/src/Convert/Color/Coordinates/HSB.php
index 1b15bd9..09bd57e 100644
--- a/src/Convert/Color/Coordinates/HSB.php
+++ b/src/Convert/Color/Coordinates/HSB.php
@@ -26,7 +26,7 @@ class HSB implements Interface\CoordinatesInterface
 	private float $B = 0.0;
 
 	/** @var string color space: either ok or cie */
-	private string $colorspace = '';
+	private string $colorspace = ''; /** @phpstan-ignore-line */
 
 	/**
 	 * HSB (HSV) color coordinates
diff --git a/src/Convert/Color/Coordinates/HSL.php b/src/Convert/Color/Coordinates/HSL.php
index 1adbe5c..5fbcf29 100644
--- a/src/Convert/Color/Coordinates/HSL.php
+++ b/src/Convert/Color/Coordinates/HSL.php
@@ -25,7 +25,7 @@ class HSL implements Interface\CoordinatesInterface
 	/** @var float lightness (luminance) */
 	private float $L = 0.0;
 
-	/** @var string color space: either ok or cie */
+	/** @var string color space: either sRGB */
 	private string $colorspace = '';
 
 	/**
diff --git a/src/Create/Uids.php b/src/Create/Uids.php
index 4233979..09bdc86 100644
--- a/src/Create/Uids.php
+++ b/src/Create/Uids.php
@@ -56,26 +56,6 @@ class Uids
 	 */
 	public static function uuidv4(): string
 	{
-		/* return sprintf(
-			'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
-			// 32 bits for "time_low"
-			mt_rand(0, 0xffff),
-			mt_rand(0, 0xffff),
-			// 16 bits for "time_mid"
-			mt_rand(0, 0xffff),
-			// 16 bits for "time_hi_and_version",
-			// four most significant bits holds version number 4
-			mt_rand(0, 0x0fff) | 0x4000,
-			// 16 bits, 8 bits for "clk_seq_hi_res",
-			// 8 bits for "clk_seq_low",
-			// two most significant bits holds zero and one for variant DCE1.1
-			mt_rand(0, 0x3fff) | 0x8000,
-			// 48 bits for "node"
-			mt_rand(0, 0xffff),
-			mt_rand(0, 0xffff),
-			mt_rand(0, 0xffff)
-		); */
-
 		$data = random_bytes(16);
 		assert(strlen($data) == 16);
 
@@ -93,6 +73,20 @@ class Uids
 		return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
 	}
 
+	/**
+	 * regex validate uuid v4
+	 *
+	 * @param  string $uuidv4
+	 * @return bool
+	 */
+	public static function validateUuuidv4(string $uuidv4): bool
+	{
+		if (!preg_match("/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/", $uuidv4)) {
+			return false;
+		}
+		return true;
+	}
+
 	/**
 	 * creates a uniq id based on lengths
 	 *
diff --git a/test/phpunit/Create/CoreLibsCreateUidsTest.php b/test/phpunit/Create/CoreLibsCreateUidsTest.php
index 3612ee8..308d964 100644
--- a/test/phpunit/Create/CoreLibsCreateUidsTest.php
+++ b/test/phpunit/Create/CoreLibsCreateUidsTest.php
@@ -121,6 +121,7 @@ final class CoreLibsCreateUidsTest extends TestCase
 	 * must match 7e78fe0d-59b8-4637-af7f-e88d221a7d1e
 	 *
 	 * @covers ::uuidv4
+	 * @covers ::validateUuidv4
 	 * @testdox uuidv4 check that return is matching regex [$_dataName]
 	 *
 	 * @return void
@@ -129,13 +130,18 @@ final class CoreLibsCreateUidsTest extends TestCase
 	{
 		$uuid = \CoreLibs\Create\Uids::uuidv4();
 		$this->assertMatchesRegularExpression(
-			'/^[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}$/',
-			$uuid
+			'/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/',
+			$uuid,
+			'Failed regex check'
+		);
+		$this->assertTrue(
+			\CoreLibs\Create\Uids::validateUuuidv4($uuid),
+			'Failed validate regex method'
+		);
+		$this->assertFalse(
+			\CoreLibs\Create\Uids::validateUuuidv4('not-a-uuidv4'),
+			'Failed wrong uuid validated as true'
 		);
-		// $this->assertStringMatchesFormat(
-		// 	'%4s%4s-%4s-%4s-%4s-%4s%4s%4s',
-		// 	$uuid
-		// );
 	}
 
 	/**