Файловый менеджер

Файловый менеджер - Редактировать - /home/lmsyaran/public_html/joomla5/libraries/vendor/php-tuf/php-tuf/src/Metadata/MetadataBase.php

Назад
<?php namespace Tuf\Metadata; use Symfony\Component\Validator\Constraints\All; use Symfony\Component\Validator\Constraints\Callback; use Symfony\Component\Validator\Constraints\Collection; use Symfony\Component\Validator\Constraints\Count; use Symfony\Component\Validator\Constraints\DateTime; use Symfony\Component\Validator\Constraints\EqualTo; use Symfony\Component\Validator\Constraints\NotBlank; use Symfony\Component\Validator\Constraints\Regex; use Symfony\Component\Validator\Constraints\Required; use Symfony\Component\Validator\Constraints\Type; use Symfony\Component\Validator\Context\ExecutionContextInterface; use Tuf\CanonicalJsonTrait; use Tuf\Exception\FormatException; /** * Base class for metadata. / abstract class MetadataBase { use CanonicalJsonTrait; use ConstraintsTrait; /* * Metadata type. * * @var string / protected const TYPE = ''; /* * Whether the metadata has been verified and should be considered trusted. * * @var bool / private bool $isTrusted = false; /* * MetadataBase constructor. * * @param array $metadata * The data. * @param string $sourceJson * The source JSON. / public function __construct(protected array $metadata, protected string $sourceJson) { } /* * Returns a canonical JSON representation of this metadata object. * * @return string * The canonical JSON representation of this object. / public function toCanonicalJson(): string { return static::encodeJson($this->getSigned()); } /* * Gets the original JSON source. * * @return string * The JSON source. / public function getSource(): string { return $this->sourceJson; } /* * Create an instance and also validate the decoded JSON. * * @param string $json * A JSON string representing TUF metadata. * * @return static * The new instance. * * @throws \Tuf\Exception\MetadataException * Thrown if validation fails. / public static function createFromJson(string $json): static { $data = json_decode($json, true, 512, JSON_THROW_ON_ERROR); static::validate($data, new Collection(static::getConstraints())); return new static($data, $json); } /* * Gets the constraints for top-level metadata. * * @return \Symfony\Component\Validator\Constraint[] * Array of constraints. / protected static function getConstraints(): array { return [ 'signatures' => new Required([ new Type('array'), new Count(['min' => 1]), new All([ new Collection([ 'keyid' => [ new NotBlank(), new Type('string'), ], 'sig' => [ new NotBlank(), new Type('string'), ], ]), ]), new Callback([static::class, 'validateKeyIds']), ]), 'signed' => new Required([ new Collection(static::getSignedCollectionOptions()), ]), ]; } /* * Validates that all signature key IDs are unique. * * @todo Use Symfony's Unique constraint for this when at least Symfony * 6.1 is required in https://github.com/php-tuf/php-tuf/issues/317. * * @param mixed $signatures * The value to be validated. * @param \Symfony\Component\Validator\Context\ExecutionContextInterface $context * The validation context. / public static function validateKeyIds(mixed $signatures, ExecutionContextInterface $context): void { if (!is_array($signatures)) { return; } $keyIds = array_column($signatures, 'keyid'); if ($keyIds !== array_unique($keyIds)) { $context->addViolation('Key IDs must be unique.'); } } /* * Gets options for the 'signed' metadata property. * * @return array * An options array as expected by * \Symfony\Component\Validator\Constraints\Collection::__construct(). / protected static function getSignedCollectionOptions(): array { return [ 'fields' => [ '_type' => [ new EqualTo(static::TYPE), new Type('string'), ], 'expires' => new DateTime(['value' => \DateTimeInterface::ISO8601]), // We only expect to work with major version 1. 'spec_version' => [ new NotBlank(), new Type(['type' => 'string']), new Regex(['pattern' => '/^1(\.[0-9]+){1,2}$/']), ], ] + static::getVersionConstraints(), 'allowExtraFields' => true, ]; } /* * Get signed. * * @return array * The "signed" section of the data. / public function getSigned(): array { return $this->metadata['signed']; } /* * Get version. * * @return integer * The version. / public function getVersion(): int { return $this->getSigned()['version']; } /* * Get the expiration date of this metadata. * * @return \DateTimeImmutable * The date and time that this metadata expires. * * @throws \Tuf\Exception\FormatException * If the expiration date and time cannot be parsed. / public function getExpires(): \DateTimeImmutable { $timestamp = $this->getSigned()['expires']; return \DateTimeImmutable::createFromFormat("Y-m-d\TH:i:sT", $timestamp) ?: throw new FormatException($timestamp, "Could not be interpreted as a DateTime"); } /* * Get signatures. * * @return array * The "signatures" section of the data. / public function getSignatures(): array { return $this->metadata['signatures']; } /* * Get the metadata type. * * @return string * The type. / public function getType(): string { return $this->getSigned()['_type']; } /* * Gets the role for the metadata. * * @return string * The type. / public function getRole(): string { // For most metadata types the 'type' and the 'role' are the same. // Metadata types that need to specify a different role should override // this method. return $this->getType(); } /* * Sets the metadata as trusted. * * @return $this / public function trust(): static { $this->isTrusted = true; return $this; } /* * Ensures that the metadata is trusted or the caller explicitly expects untrusted metadata. * * @param boolean $allowUntrustedAccess * Whether this method should access even if the metadata is not trusted. * * @return void */ public function ensureIsTrusted(bool $allowUntrustedAccess = false): void { if (!$allowUntrustedAccess && !$this->isTrusted) { throw new \RuntimeException("Cannot use untrusted '{$this->getRole()}'. metadata."); } } }

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