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<?php |
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namespace kalanis\RemoteRequest; |
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use kalanis\RemoteRequest\Connection; |
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use kalanis\RemoteRequest\Interfaces; |
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use kalanis\RemoteRequest\Sockets; |
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/** |
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* Class Helper |
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* @package kalanis\RemoteRequest |
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* Simplified reading from remote machine with a whole power of RemoteRequest and mainly streams underneath |
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* -> throw Curl into /dev/null |
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*/ |
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class Helper |
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{ |
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protected static ?Interfaces\IRRTranslations $lang = null; // translations |
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protected string $link = ''; // target |
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/** @var string|string[]|array<string|int, string|int> */ |
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protected $postContent = ''; // what to say to the target |
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/** @var array<string, string|int|bool|null> */ |
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protected array $connectionParams = [ |
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'timeout' => 30, |
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'maxLength' => 0, |
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'method' => 'get', |
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'multipart' => false, |
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'permanent' => false, |
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'sequence' => 0, |
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'secret' => 0, |
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'seek' => 0, |
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]; |
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/** @var array<string, array<string, string>|string> */ |
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protected array $contextParams = []; |
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/** |
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* @param string $link link to remote source (server, page, ...) |
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* @param string|string[] $postContent array(key=>value) for http or fsp, string otherwise |
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* @param array<string, string|int|bool|null> $connectionParams overwrite default values for connection |
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* @param array<string, array<string, string>|string> $contextParams added to stream context (like skipping ssl checkup) |
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* @throws RequestException |
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* @return string |
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*/ |
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public static function getRemoteContent(string $link, $postContent = '', array $connectionParams = [], array $contextParams = []): string |
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{ |
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$lib = new Helper(); |
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$lib |
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->setLink($link) |
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->setPostContent($postContent) |
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->setConnectionParams($connectionParams) |
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->setContextParams($contextParams) |
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; |
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return $lib->getResponse()->getContent(); |
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} |
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public static function fillLang(?Interfaces\IRRTranslations $lang = null): void |
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{ |
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static::$lang = $lang; |
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} |
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public static function getLang(): Interfaces\IRRTranslations |
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{ |
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if (empty(static::$lang)) { |
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static::$lang = new Translations(); |
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} |
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return static::$lang; |
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} |
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public function setLink(string $link): self |
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{ |
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$this->link = $link; |
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return $this; |
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} |
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/** |
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* @param string|string[]|array<string|int, string|int> $postContent |
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* @return $this |
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*/ |
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public function setPostContent($postContent = ''): self |
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{ |
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$this->postContent = $postContent; |
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return $this; |
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} |
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/** |
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* @param array<string, string|int|bool|null> $params |
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* @return $this |
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*/ |
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public function setConnectionParams(array $params = []): self |
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{ |
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$this->connectionParams = array_merge($this->connectionParams, $params); |
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return $this; |
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} |
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/** |
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* @param array<string, array<string, string>|string> $params |
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* @return $this |
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*/ |
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public function setContextParams(array $params = []): self |
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{ |
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$this->contextParams = $params; |
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return $this; |
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} |
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/** |
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* @throws RequestException |
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* @return Protocols\Dummy\Answer |
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*/ |
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public function getResponse(): Protocols\Dummy\Answer |
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{ |
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static::fillLang(); |
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$parsedLink = parse_url($this->link); |
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if (false === $parsedLink) { |
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throw new RequestException(static::getLang()->rrHelpInvalidLink($this->link)); |
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} |
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$schema = !empty($parsedLink["scheme"]) ? strtolower($parsedLink["scheme"]) : '' ; |
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$libParams = $this->getFilledConnectionParams($schema, $parsedLink); |
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$libQuery = $this->getLibRequest($schema, $parsedLink, $libParams); |
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return $this->getLibResponseProcessor($schema)->setResponse( |
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$this->getLibConnection($libQuery) |
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->setConnectionParams($libParams) |
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->setData($libQuery) |
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->process() |
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->getResponse() |
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); |
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} |
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protected function getLibConnection(Protocols\Dummy\Query $libQuery): Connection\Processor |
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{ |
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return new Connection\Processor($this->getLibSockets($libQuery), static::getLang()); |
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} |
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protected function getLibSockets(Protocols\Dummy\Query $libQuery): ?Sockets\ASocket |
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{ |
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if (!empty($this->contextParams)) { |
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$processing = new Sockets\Stream(static::getLang()); |
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return $processing->setContextOptions($this->contextParams); |
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} elseif ($this->connectionParams['permanent']) { |
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return new Sockets\PfSocket(static::getLang()); |
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} elseif ($libQuery instanceof Protocols\Fsp\Query) { |
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return new Sockets\Socket(static::getLang()); |
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} else { |
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return new Sockets\FSocket(static::getLang()); |
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} |
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} |
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/** |
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* @param string $schema |
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* @param array<string, int|string> $parsedLink from parse_url() |
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* @throws RequestException |
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* @return Connection\Params\AParams |
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*/ |
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protected function getFilledConnectionParams(string $schema, $parsedLink): Connection\Params\AParams |
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{ |
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$libParams = $this->getConnectionParams($schema); |
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return $libParams->setTarget( |
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strval($parsedLink["host"]), |
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empty($parsedLink["port"]) ? $libParams->getPort() : intval($parsedLink["port"]), |
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empty($this->connectionParams['timeout']) ? null : floatval($this->connectionParams['timeout']) |
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); |
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} |
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/** |
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* @param string $schema |
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* @throws RequestException |
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* @return Connection\Params\AParams |
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*/ |
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protected function getConnectionParams(string $schema): Connection\Params\AParams |
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{ |
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switch ($schema) { |
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case 'tcp': |
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return new Connection\Params\Tcp(); |
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case 'udp': |
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case 'fsp': |
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return new Connection\Params\Udp(); |
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case 'http': |
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return new Connection\Params\Tcp(); |
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case 'https': |
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return new Connection\Params\Ssl(); |
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case 'file': |
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return new Connection\Params\File(); |
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default: |
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throw new RequestException(static::getLang()->rrHelpInvalidProtocolSchema($schema)); |
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} |
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} |
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/** |
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* @param string $schema |
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* @param array<string, int|string> $parsed from parse_url() |
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* @param Interfaces\ITarget $settings |
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* @throws RequestException |
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* @return Protocols\Dummy\Query |
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*/ |
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protected function getLibRequest(string $schema, array $parsed, Interfaces\ITarget $settings): Protocols\Dummy\Query |
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{ |
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switch ($schema) { |
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case 'tcp': |
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case 'udp': |
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case 'file': |
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$query = new Protocols\Dummy\Query(); |
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$query->maxLength = is_null($this->connectionParams['maxLength']) ? null : intval($this->connectionParams['maxLength']); |
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$query->body = strval($this->postContent); |
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return $query; |
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case 'fsp': |
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$query = new Protocols\Fsp\Query(); |
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return $query |
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->setCommand(intval($this->connectionParams['method'])) |
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->setSequence(intval($this->connectionParams['sequence'])) |
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->setKey(intval($this->connectionParams['secret'])) |
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->setFilePosition(intval($this->connectionParams['seek'])) |
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->setContent(strval($this->postContent)) |
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; |
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case 'http': |
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case 'https': |
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if (isset($parsed['user'])) { |
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$query = new Protocols\Http\Query\AuthBasic(); |
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$query->setCredentials( |
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strval($parsed['user']), |
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isset($parsed['pass']) ? strval($parsed['pass']) : '' |
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); |
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} else { |
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$query = new Protocols\Http\Query(); |
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} |
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$query->maxLength = is_null($this->connectionParams['maxLength']) ? null : intval($this->connectionParams['maxLength']); |
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return $query |
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->setRequestSettings($settings) |
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->setPath($parsed['path'] . (!empty($parsed['query']) ? '?' . $parsed['query'] : '' )) |
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->setMethod($this->getMethod()) |
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->setInline(boolval($this->connectionParams['multipart'])) |
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->addValues(empty($this->postContent) ? [] : (array) $this->postContent) |
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; |
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default: |
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throw new RequestException(static::getLang()->rrHelpInvalidRequestSchema($schema)); |
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} |
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} |
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protected function getMethod(): string |
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{ |
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$method = strtoupper(strval($this->connectionParams['method'])); |
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return (in_array($method, ['GET', 'POST', 'PUT', 'DELETE'])) ? $method : 'GET' ; |
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} |
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/** |
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* @param string $schema |
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* @throws RequestException |
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* @return Protocols\Dummy\Answer |
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*/ |
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protected function getLibResponseProcessor(string $schema): Protocols\Dummy\Answer |
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{ |
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switch ($schema) { |
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case 'tcp': |
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case 'udp': |
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case 'file': |
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return new Protocols\Dummy\Answer(); |
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case 'fsp': |
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return new Protocols\Fsp\Answer(static::getLang()); |
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case 'http': |
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case 'https': |
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return new Protocols\Http\Answer(static::getLang()); |
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default: |
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throw new RequestException(static::getLang()->rrHelpInvalidResponseSchema($schema)); |
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} |
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} |
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} |
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