61 lines
2.0 KiB
PHP
Executable File
61 lines
2.0 KiB
PHP
Executable File
<?php
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// Simple plaintext HTTP and secure HTTPS client example (for illustration purposes only).
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// This shows how an URI parameter can parsed to decide whether to establish
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// a plaintext TCP/IP or secure TLS connection and then send an
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// application level protocol message (HTTP).
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// Real applications should use react/http-client instead!
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//
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// Unlike examples #11 and #12, this example will actually take an optional URI
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// parameter and parse it to connect to the correct default port and use the
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// correct transport protocol.
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//
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// $ php examples/22-http-client.php
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// $ php examples/22-http-client.php https://reactphp.org/
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use React\EventLoop\Factory;
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use React\Socket\ConnectionInterface;
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use React\Socket\Connector;
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use React\Stream\WritableResourceStream;
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require __DIR__ . '/../vendor/autoload.php';
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$uri = isset($argv[1]) ? $argv[1] : 'www.google.com';
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if (strpos($uri, '://') === false) {
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$uri = 'http://' . $uri;
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}
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$parts = parse_url($uri);
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if (!$parts || !isset($parts['scheme'], $parts['host'])) {
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fwrite(STDERR, 'Usage error: required argument <host:port>' . PHP_EOL);
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exit(1);
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}
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$loop = Factory::create();
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$connector = new Connector($loop);
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if (!isset($parts['port'])) {
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$parts['port'] = $parts['scheme'] === 'https' ? 443 : 80;
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}
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$host = $parts['host'];
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if (($parts['scheme'] === 'http' && $parts['port'] !== 80) || ($parts['scheme'] === 'https' && $parts['port'] !== 443)) {
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$host .= ':' . $parts['port'];
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}
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$target = ($parts['scheme'] === 'https' ? 'tls' : 'tcp') . '://' . $parts['host'] . ':' . $parts['port'];
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$resource = isset($parts['path']) ? $parts['path'] : '/';
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if (isset($parts['query'])) {
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$resource .= '?' . $parts['query'];
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}
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$stdout = new WritableResourceStream(STDOUT, $loop);
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$connector->connect($target)->then(function (ConnectionInterface $connection) use ($resource, $host, $stdout) {
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$connection->pipe($stdout);
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$connection->write("GET $resource HTTP/1.0\r\nHost: $host\r\n\r\n");
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}, 'printf');
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$loop->run();
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