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<?php |
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declare(strict_types=1); |
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namespace Shlinkio\Shlink\Core\Entity; |
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use Cake\Chronos\Chronos; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\Common\Collections\Collection; |
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use Laminas\Diactoros\Uri; |
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use Shlinkio\Shlink\Common\Entity\AbstractEntity; |
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use Shlinkio\Shlink\Core\Exception\ShortCodeCannotBeRegeneratedException; |
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use Shlinkio\Shlink\Core\Model\ShortUrlEdit; |
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use Shlinkio\Shlink\Core\Model\ShortUrlMeta; |
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use Shlinkio\Shlink\Core\ShortUrl\Resolver\ShortUrlRelationResolverInterface; |
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use Shlinkio\Shlink\Core\ShortUrl\Resolver\SimpleShortUrlRelationResolver; |
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use Shlinkio\Shlink\Core\Validation\ShortUrlMetaInputFilter; |
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use Shlinkio\Shlink\Importer\Model\ImportedShlinkUrl; |
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use Shlinkio\Shlink\Rest\Entity\ApiKey; |
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use function count; |
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use function Shlinkio\Shlink\Core\generateRandomShortCode; |
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class ShortUrl extends AbstractEntity |
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{ |
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private string $longUrl; |
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private string $shortCode; |
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private Chronos $dateCreated; |
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/** @var Collection|Visit[] */ |
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private Collection $visits; |
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/** @var Collection|Tag[] */ |
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private Collection $tags; |
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private ?Chronos $validSince = null; |
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private ?Chronos $validUntil = null; |
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private ?int $maxVisits = null; |
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private ?Domain $domain = null; |
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private bool $customSlugWasProvided; |
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private int $shortCodeLength; |
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private ?string $importSource = null; |
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private ?string $importOriginalShortCode = null; |
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private ?ApiKey $authorApiKey = null; |
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public function __construct( |
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string $longUrl, |
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?ShortUrlMeta $meta = null, |
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?ShortUrlRelationResolverInterface $relationResolver = null |
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) { |
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$meta = $meta ?? ShortUrlMeta::createEmpty(); |
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$relationResolver = $relationResolver ?? new SimpleShortUrlRelationResolver(); |
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$this->longUrl = $longUrl; |
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$this->dateCreated = Chronos::now(); |
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$this->visits = new ArrayCollection(); |
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$this->tags = new ArrayCollection(); |
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$this->validSince = $meta->getValidSince(); |
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$this->validUntil = $meta->getValidUntil(); |
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$this->maxVisits = $meta->getMaxVisits(); |
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$this->customSlugWasProvided = $meta->hasCustomSlug(); |
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$this->shortCodeLength = $meta->getShortCodeLength(); |
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$this->shortCode = $meta->getCustomSlug() ?? generateRandomShortCode($this->shortCodeLength); |
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$this->domain = $relationResolver->resolveDomain($meta->getDomain()); |
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$this->authorApiKey = $relationResolver->resolveApiKey($meta->getApiKey()); |
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} |
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public static function fromImport( |
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ImportedShlinkUrl $url, |
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bool $importShortCode, |
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?ShortUrlRelationResolverInterface $relationResolver = null |
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): self { |
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$meta = [ |
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ShortUrlMetaInputFilter::DOMAIN => $url->domain(), |
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ShortUrlMetaInputFilter::VALIDATE_URL => false, |
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]; |
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if ($importShortCode) { |
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$meta[ShortUrlMetaInputFilter::CUSTOM_SLUG] = $url->shortCode(); |
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} |
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$instance = new self($url->longUrl(), ShortUrlMeta::fromRawData($meta), $relationResolver); |
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$instance->importSource = $url->source(); |
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$instance->importOriginalShortCode = $url->shortCode(); |
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$instance->dateCreated = Chronos::instance($url->createdAt()); |
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return $instance; |
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} |
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public function getLongUrl(): string |
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{ |
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return $this->longUrl; |
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} |
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public function getShortCode(): string |
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{ |
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return $this->shortCode; |
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} |
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public function getDateCreated(): Chronos |
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{ |
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return $this->dateCreated; |
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} |
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public function getDomain(): ?Domain |
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{ |
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return $this->domain; |
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} |
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/** |
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* @return Collection|Tag[] |
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*/ |
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public function getTags(): Collection |
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{ |
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return $this->tags; |
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} |
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/** |
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* @param Collection|Tag[] $tags |
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*/ |
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public function setTags(Collection $tags): self |
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{ |
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$this->tags = $tags; |
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return $this; |
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} |
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public function update(ShortUrlEdit $shortUrlEdit): void |
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{ |
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if ($shortUrlEdit->hasValidSince()) { |
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$this->validSince = $shortUrlEdit->validSince(); |
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} |
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if ($shortUrlEdit->hasValidUntil()) { |
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$this->validUntil = $shortUrlEdit->validUntil(); |
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} |
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if ($shortUrlEdit->hasMaxVisits()) { |
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$this->maxVisits = $shortUrlEdit->maxVisits(); |
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} |
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if ($shortUrlEdit->hasLongUrl()) { |
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$this->longUrl = $shortUrlEdit->longUrl(); |
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} |
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} |
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/** |
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* @throws ShortCodeCannotBeRegeneratedException |
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*/ |
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public function regenerateShortCode(): void |
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{ |
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// In ShortUrls where a custom slug was provided, throw error, unless it is an imported one |
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if ($this->customSlugWasProvided && $this->importSource === null) { |
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throw ShortCodeCannotBeRegeneratedException::forShortUrlWithCustomSlug(); |
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} |
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// The short code can be regenerated only on ShortUrl which have not been persisted yet |
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if ($this->id !== null) { |
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throw ShortCodeCannotBeRegeneratedException::forShortUrlAlreadyPersisted(); |
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} |
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$this->shortCode = generateRandomShortCode($this->shortCodeLength); |
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} |
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public function getValidSince(): ?Chronos |
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{ |
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return $this->validSince; |
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} |
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public function getValidUntil(): ?Chronos |
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{ |
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return $this->validUntil; |
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} |
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public function getVisitsCount(): int |
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{ |
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return count($this->visits); |
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} |
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/** |
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* @param Collection|Visit[] $visits |
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* @internal |
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*/ |
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public function setVisits(Collection $visits): self |
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{ |
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$this->visits = $visits; |
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return $this; |
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} |
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public function getMaxVisits(): ?int |
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{ |
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return $this->maxVisits; |
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} |
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public function isEnabled(): bool |
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{ |
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$maxVisitsReached = $this->maxVisits !== null && $this->getVisitsCount() >= $this->maxVisits; |
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if ($maxVisitsReached) { |
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return false; |
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} |
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$now = Chronos::now(); |
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$beforeValidSince = $this->validSince !== null && $this->validSince->gt($now); |
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if ($beforeValidSince) { |
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return false; |
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} |
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$afterValidUntil = $this->validUntil !== null && $this->validUntil->lt($now); |
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if ($afterValidUntil) { |
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return false; |
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} |
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return true; |
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} |
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public function toString(array $domainConfig): string |
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{ |
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return (string) (new Uri())->withPath($this->shortCode) |
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->withScheme($domainConfig['schema'] ?? 'http') |
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->withHost($this->resolveDomain($domainConfig['hostname'] ?? '')); |
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} |
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private function resolveDomain(string $fallback = ''): string |
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{ |
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if ($this->domain === null) { |
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return $fallback; |
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} |
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return $this->domain->getAuthority(); |
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} |
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} |
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