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[Uid] Fix validating nil and max uuid #48831

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Merged
merged 1 commit into from
Dec 30, 2022
Merged

[Uid] Fix validating nil and max uuid #48831

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19 changes: 19 additions & 0 deletions 19 src/Symfony/Component/Uid/Tests/UuidTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,25 @@ public function testIsValid()
$this->assertTrue(UuidV4::isValid(self::A_UUID_V4));
}

public function testIsValidWithNilUuid()
{
$this->assertTrue(Uuid::isValid('00000000-0000-0000-0000-000000000000'));
$this->assertTrue(NilUuid::isValid('00000000-0000-0000-0000-000000000000'));

$this->assertFalse(UuidV1::isValid('00000000-0000-0000-0000-000000000000'));
$this->assertFalse(UuidV4::isValid('00000000-0000-0000-0000-000000000000'));
}

public function testIsValidWithMaxUuid()
{
$this->assertTrue(Uuid::isValid('ffffffff-ffff-ffff-ffff-ffffffffffff'));
$this->assertTrue(Uuid::isValid('FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF'));
$this->assertTrue(Uuid::isValid('fFFFFFFF-ffff-FFFF-FFFF-FFFFffFFFFFF'));

$this->assertFalse(UuidV5::isValid('ffffffff-ffff-ffff-ffff-ffffffffffff'));
$this->assertFalse(UuidV6::isValid('ffffffff-ffff-ffff-ffff-ffffffffffff'));
}

public function testEquals()
{
$uuid1 = new UuidV1(self::A_UUID_V1);
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10 changes: 9 additions & 1 deletion 10 src/Symfony/Component/Uid/Uuid.php
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ public static function fromString(string $uuid): parent
$uuid = substr_replace($uuid, '-', 18, 0);
$uuid = substr_replace($uuid, '-', 23, 0);
} elseif (26 === \strlen($uuid) && Ulid::isValid($uuid)) {
$ulid = new Ulid('00000000000000000000000000');
$ulid = new NilUlid();
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$ulid->uid = strtoupper($uuid);
$uuid = $ulid->toRfc4122();
}
Expand Down Expand Up @@ -117,6 +117,14 @@ final public static function v6(): UuidV6

public static function isValid(string $uuid): bool
{
if (self::NIL === $uuid && \in_array(static::class, [__CLASS__, NilUuid::class], true)) {
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return true;
}

if (__CLASS__ === static::class && 'ffffffff-ffff-ffff-ffff-ffffffffffff' === strtr($uuid, 'F', 'f')) {
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if (self::MAX === strtr($uuid, 'F', 'f') && (\in_array(static::class, [__CLASS__, MaxUuid::class], true))) { on 6.2

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cb97802

return true;
}

if (!preg_match('{^[0-9a-f]{8}(?:-[0-9a-f]{4}){2}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$}Di', $uuid)) {
return false;
}
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