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<?php |
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namespace Spatie\SslCertificate; |
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use Carbon\Carbon; |
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use Spatie\Macroable\Macroable; |
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class SslCertificate |
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{ |
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use Macroable; |
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/** @var array */ |
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protected $rawCertificateFields = []; |
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/** @var string */ |
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protected $fingerprint = ''; |
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/** @var string */ |
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private $fingerprintSha256 = ''; |
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/** @var string */ |
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private $remoteAddress = ''; |
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public static function download(): Downloader |
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{ |
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return new Downloader(); |
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} |
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public static function createForHostName(string $url, int $timeout = 30): self |
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{ |
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return Downloader::downloadCertificateFromUrl($url, $timeout); |
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} |
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public static function createFromFile(string $pathToCertificate): self |
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{ |
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return $this->createFromString(file_get_contents($pathToCertificate)); |
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} |
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View Code Duplication |
public static function createFromString(string $certificatePem): self |
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{ |
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$certificateFields = openssl_x509_parse($certificatePem); |
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$fingerprint = openssl_x509_fingerprint($certificatePem); |
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$fingerprintSha256 = openssl_x509_fingerprint($certificatePem, 'sha256'); |
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return new self( |
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$certificateFields, |
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$fingerprint, |
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$fingerprintSha256 |
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); |
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} |
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public function __construct( |
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array $rawCertificateFields, |
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string $fingerprint = '', |
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string $fingerprintSha256 = '', |
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string $remoteAddress = '' |
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) { |
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$this->rawCertificateFields = $rawCertificateFields; |
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$this->fingerprint = $fingerprint; |
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$this->fingerprintSha256 = $fingerprintSha256; |
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$this->remoteAddress = $remoteAddress; |
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} |
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public function getRawCertificateFields(): array |
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{ |
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return $this->rawCertificateFields; |
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} |
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public function getIssuer(): string |
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{ |
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return $this->rawCertificateFields['issuer']['CN'] ?? ''; |
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} |
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public function getDomain(): string |
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{ |
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if (! array_key_exists('CN', $this->rawCertificateFields['subject'])) { |
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return ''; |
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} |
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if (is_string($this->rawCertificateFields['subject']['CN'])) { |
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return $this->rawCertificateFields['subject']['CN']; |
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} |
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if (is_array($this->rawCertificateFields['subject']['CN'])) { |
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return $this->rawCertificateFields['subject']['CN'][0]; |
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} |
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return ''; |
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} |
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public function getSignatureAlgorithm(): string |
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{ |
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return $this->rawCertificateFields['signatureTypeSN'] ?? ''; |
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} |
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public function getOrganization(): string |
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{ |
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return $this->rawCertificateFields['subject']['O'] ?? ''; |
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} |
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public function getFingerprint(): string |
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{ |
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return $this->fingerprint; |
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} |
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/** |
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* @return string |
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*/ |
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public function getFingerprintSha256(): string |
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{ |
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return $this->fingerprintSha256; |
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} |
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public function getAdditionalDomains(): array |
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{ |
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$additionalDomains = explode(', ', $this->rawCertificateFields['extensions']['subjectAltName'] ?? ''); |
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return array_map(function (string $domain) { |
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return str_replace('DNS:', '', $domain); |
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}, $additionalDomains); |
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} |
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public function validFromDate(): Carbon |
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{ |
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return Carbon::createFromTimestampUTC($this->rawCertificateFields['validFrom_time_t']); |
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} |
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public function expirationDate(): Carbon |
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{ |
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return Carbon::createFromTimestampUTC($this->rawCertificateFields['validTo_time_t']); |
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} |
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public function lifespanInDays(): int |
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{ |
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return $this->validFromDate()->diffInDays($this->expirationDate()); |
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} |
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public function isExpired(): bool |
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{ |
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return $this->expirationDate()->isPast(); |
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} |
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public function isValid(string $url = null) |
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{ |
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if (! Carbon::now()->between($this->validFromDate(), $this->expirationDate())) { |
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return false; |
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} |
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if (! empty($url)) { |
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return $this->appliesToUrl($url ?? $this->getDomain()); |
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} |
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return true; |
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} |
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public function isSelfSigned(): bool |
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{ |
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return $this->getIssuer() === $this->getDomain(); |
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} |
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public function usesSha1Hash(): bool |
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{ |
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$certificateFields = $this->getRawCertificateFields(); |
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if ($certificateFields['signatureTypeSN'] === 'RSA-SHA1') { |
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return true; |
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} |
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if ($certificateFields['signatureTypeLN'] === 'sha1WithRSAEncryption') { |
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return true; |
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} |
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return false; |
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} |
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public function isValidUntil(Carbon $carbon, string $url = null): bool |
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{ |
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if ($this->expirationDate()->lte($carbon)) { |
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return false; |
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} |
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return $this->isValid($url); |
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} |
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public function daysUntilExpirationDate(): int |
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{ |
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$endDate = $this->expirationDate(); |
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$interval = Carbon::now()->diff($endDate); |
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return (int) $interval->format('%r%a'); |
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} |
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public function getDomains(): array |
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{ |
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$allDomains = $this->getAdditionalDomains(); |
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$allDomains[] = $this->getDomain(); |
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$uniqueDomains = array_unique($allDomains); |
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return array_values(array_filter($uniqueDomains)); |
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} |
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public function appliesToUrl(string $url): bool |
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{ |
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if (filter_var($url, FILTER_VALIDATE_IP)) { |
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$host = $url; |
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} else { |
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$host = (new Url($url))->getHostName(); |
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} |
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$certificateHosts = $this->getDomains(); |
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foreach ($certificateHosts as $certificateHost) { |
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$certificateHost = str_replace('ip address:', '', strtolower($certificateHost)); |
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if ($host === $certificateHost) { |
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return true; |
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} |
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if ($this->wildcardHostCoversHost($certificateHost, $host)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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protected function wildcardHostCoversHost(string $wildcardHost, string $host): bool |
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{ |
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if ($host === $wildcardHost) { |
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return true; |
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} |
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if (! starts_with($wildcardHost, '*')) { |
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return false; |
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} |
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if (substr_count($wildcardHost, '.') < substr_count($host, '.')) { |
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return false; |
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} |
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$wildcardHostWithoutWildcard = substr($wildcardHost, 1); |
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$hostWithDottedPrefix = ".{$host}"; |
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return ends_with($hostWithDottedPrefix, $wildcardHostWithoutWildcard); |
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} |
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public function getRawCertificateFieldsJson(): string |
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{ |
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return json_encode($this->getRawCertificateFields()); |
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} |
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public function getHash(): string |
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{ |
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return md5($this->getRawCertificateFieldsJson()); |
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} |
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public function getRemoteAddress(): string |
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{ |
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return $this->remoteAddress; |
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} |
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public function __toString(): string |
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{ |
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return $this->getRawCertificateFieldsJson(); |
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} |
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public function containsDomain(string $domain): bool |
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{ |
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$certificateHosts = $this->getDomains(); |
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foreach ($certificateHosts as $certificateHost) { |
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if ($certificateHost == $domain) { |
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return true; |
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} |
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if (ends_with($domain, '.'.$certificateHost)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public function isPreCertificate(): bool |
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{ |
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if (! array_key_exists('extensions', $this->rawCertificateFields)) { |
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return false; |
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} |
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if (! array_key_exists('ct_precert_poison', $this->rawCertificateFields['extensions'])) { |
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return false; |
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} |
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return true; |
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} |
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} |
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.