46 lines
1.0 KiB
PHP
46 lines
1.0 KiB
PHP
<?php
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namespace Http\Client\Common\Plugin;
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use Http\Client\Common\Plugin;
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use Psr\Http\Message\RequestInterface;
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/**
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* Append headers to the request.
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*
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* If the header already exists the value will be appended to the current value.
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*
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* This only makes sense for headers that can have multiple values like 'Forwarded'
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*
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* @see https://en.wikipedia.org/wiki/List_of_HTTP_header_fields
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*
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* @author Soufiane Ghzal <sghzal@gmail.com>
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*/
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final class HeaderAppendPlugin implements Plugin
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{
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/**
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* @var array
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*/
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private $headers = [];
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/**
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* @param array $headers Hashmap of header name to header value
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*/
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public function __construct(array $headers)
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{
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$this->headers = $headers;
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}
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/**
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* {@inheritdoc}
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*/
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public function handleRequest(RequestInterface $request, callable $next, callable $first)
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{
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foreach ($this->headers as $header => $headerValue) {
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$request = $request->withAddedHeader($header, $headerValue);
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}
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return $next($request);
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}
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}
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