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<?php |
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/** |
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* Plasma Driver MySQL component |
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* Copyright 2018 PlasmaPHP, All Rights Reserved |
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* |
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* Website: https://github.com/PlasmaPHP |
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* License: https://github.com/PlasmaPHP/driver-mysql/blob/master/LICENSE |
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*/ |
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namespace Plasma\Drivers\MySQL\Messages; |
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/** |
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* Represents a Local In File Data Message. |
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* @internal |
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*/ |
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class LocalInFileRequestMessage implements \Plasma\Drivers\MySQL\Messages\MessageInterface { |
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/** |
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* @var \Plasma\Drivers\MySQL\ProtocolParser |
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*/ |
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protected $parser; |
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/** |
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* Constructor. |
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* @param \Plasma\Drivers\MySQL\ProtocolParser $parser |
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*/ |
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function __construct(\Plasma\Drivers\MySQL\ProtocolParser $parser) { |
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$this->parser = $parser; |
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} |
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/** |
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* Get the identifier for the packet. |
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* @return string |
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*/ |
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static function getID(): string { |
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return "\xFB"; |
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} |
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/** |
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* Parses the message, once the complete string has been received. |
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* Returns false if not enough data has been received, or the remaining buffer. |
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* @param \Plasma\BinaryBuffer $buffer |
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* @return bool |
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* @throws \Plasma\Drivers\MySQL\Messages\ParseException |
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*/ |
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function parseMessage(\Plasma\BinaryBuffer $buffer): bool { |
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$filesystem = \Plasma\Drivers\MySQL\DriverFactory::getFilesystem(); |
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if($filesystem !== null) { |
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$filesystem->file($buffer->getContents())->getContents()->otherwise(function () { |
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return ''; |
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})->then(function (string $content) { |
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$this->sendFile($content); |
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}); |
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} else { |
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if(\file_exists($buffer->getContents())) { |
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$this->sendFile(\file_get_contents($buffer->getContents())); |
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} else { |
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$this->sendFile(''); |
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} |
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} |
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return true; |
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} |
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/** |
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* Get the parser which created this message. |
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* @return \Plasma\Drivers\MySQL\ProtocolParser |
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*/ |
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function getParser(): \Plasma\Drivers\MySQL\ProtocolParser { |
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return $this->parser; |
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} |
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/** |
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* Sets the parser state, if necessary. If not, return `-1`. |
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* @return int |
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*/ |
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function setParserState(): int { |
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return -1; |
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} |
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/** |
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* Sends the contents to the server. |
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* @param string $contents |
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*/ |
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protected function sendFile(string $content) { |
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$maxSize = \Plasma\Drivers\MySQL\ProtocolParser::CLIENT_MAX_PACKET_SIZE; |
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for($size = \strlen($content); $size > 0; $size -= $maxSize) { |
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$partial = \substr($content, 0, $maxSize); |
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$content = \substr($content, $maxSize); |
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$this->parser->sendPacket($partial); |
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$partial = ''; |
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} |
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$this->parser->sendPacket(''); |
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} |
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} |
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PlasmaPHP /
driver-mysql
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