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@@ -0,0 +1,464 @@
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+<?php
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+
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+namespace Guzzle\Http\Curl;
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+
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+use Guzzle\Common\Exception\InvalidArgumentException;
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+use Guzzle\Common\Exception\RuntimeException;
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+use Guzzle\Common\Collection;
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+use Guzzle\Http\Message\EntityEnclosingRequest;
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+use Guzzle\Http\Message\RequestInterface;
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+use Guzzle\Parser\ParserRegistry;
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+use Guzzle\Http\Url;
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+
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+/**
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+ * Immutable wrapper for a cURL handle
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+ */
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+class CurlHandle
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+{
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+ const BODY_AS_STRING = 'body_as_string';
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+ const PROGRESS = 'progress';
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+ const DEBUG = 'debug';
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+
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+ /** @var Collection Curl options */
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+ protected $options;
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+
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+ /** @var resource Curl resource handle */
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+ protected $handle;
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+
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+ /** @var int CURLE_* error */
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+ protected $errorNo = CURLE_OK;
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+
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+ /**
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+ * Factory method to create a new curl handle based on an HTTP request.
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+ *
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+ * There are some helpful options you can set to enable specific behavior:
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+ * - debug: Set to true to enable cURL debug functionality to track the actual headers sent over the wire.
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+ * - progress: Set to true to enable progress function callbacks.
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+ *
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+ * @param RequestInterface $request Request
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+ *
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+ * @return CurlHandle
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+ * @throws RuntimeException
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+ */
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+ public static function factory(RequestInterface $request)
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+ {
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+ $requestCurlOptions = $request->getCurlOptions();
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+ $mediator = new RequestMediator($request, $requestCurlOptions->get('emit_io'));
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+ $tempContentLength = null;
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+ $method = $request->getMethod();
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+ $bodyAsString = $requestCurlOptions->get(self::BODY_AS_STRING);
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+
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+ // Prepare url
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+ $url = (string)$request->getUrl();
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+ if(($pos = strpos($url, '#')) !== false ){
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+ // strip fragment from url
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+ $url = substr($url, 0, $pos);
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+ }
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+
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+ // Array of default cURL options.
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+ $curlOptions = array(
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+ CURLOPT_URL => $url,
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+ CURLOPT_CONNECTTIMEOUT => 150,
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+ CURLOPT_RETURNTRANSFER => false,
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+ CURLOPT_HEADER => false,
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+ CURLOPT_PORT => $request->getPort(),
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+ CURLOPT_HTTPHEADER => array(),
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+ CURLOPT_WRITEFUNCTION => array($mediator, 'writeResponseBody'),
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+ CURLOPT_HEADERFUNCTION => array($mediator, 'receiveResponseHeader'),
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+ CURLOPT_HTTP_VERSION => $request->getProtocolVersion() === '1.0'
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+ ? CURL_HTTP_VERSION_1_0 : CURL_HTTP_VERSION_1_1,
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+ // Verifies the authenticity of the peer's certificate
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+ CURLOPT_SSL_VERIFYPEER => 1,
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+ // Certificate must indicate that the server is the server to which you meant to connect
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+ CURLOPT_SSL_VERIFYHOST => 2
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+ );
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+
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+ if (defined('CURLOPT_PROTOCOLS')) {
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+ // Allow only HTTP and HTTPS protocols
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+ $curlOptions[CURLOPT_PROTOCOLS] = CURLPROTO_HTTP | CURLPROTO_HTTPS;
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+ }
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+
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+ // Add CURLOPT_ENCODING if Accept-Encoding header is provided
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+ if ($acceptEncodingHeader = $request->getHeader('Accept-Encoding')) {
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+ $curlOptions[CURLOPT_ENCODING] = (string) $acceptEncodingHeader;
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+ // Let cURL set the Accept-Encoding header, prevents duplicate values
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+ $request->removeHeader('Accept-Encoding');
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+ }
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+
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+ // Enable curl debug information if the 'debug' param was set
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+ if ($requestCurlOptions->get('debug')) {
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+ $curlOptions[CURLOPT_STDERR] = fopen('php://temp', 'r+');
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+ // @codeCoverageIgnoreStart
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+ if (false === $curlOptions[CURLOPT_STDERR]) {
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+ throw new RuntimeException('Unable to create a stream for CURLOPT_STDERR');
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+ }
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+ // @codeCoverageIgnoreEnd
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+ $curlOptions[CURLOPT_VERBOSE] = true;
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+ }
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+
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+ // Specify settings according to the HTTP method
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+ if ($method == 'GET') {
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+ $curlOptions[CURLOPT_HTTPGET] = true;
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+ } elseif ($method == 'HEAD') {
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+ $curlOptions[CURLOPT_NOBODY] = true;
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+ // HEAD requests do not use a write function
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+ unset($curlOptions[CURLOPT_WRITEFUNCTION]);
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+ } elseif (!($request instanceof EntityEnclosingRequest)) {
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+ $curlOptions[CURLOPT_CUSTOMREQUEST] = $method;
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+ } else {
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+
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+ $curlOptions[CURLOPT_CUSTOMREQUEST] = $method;
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+
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+ // Handle sending raw bodies in a request
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+ if ($request->getBody()) {
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+ // You can send the body as a string using curl's CURLOPT_POSTFIELDS
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+ if ($bodyAsString) {
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+ $curlOptions[CURLOPT_POSTFIELDS] = (string) $request->getBody();
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+ // Allow curl to add the Content-Length for us to account for the times when
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+ // POST redirects are followed by GET requests
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+ if ($tempContentLength = $request->getHeader('Content-Length')) {
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+ $tempContentLength = (int) (string) $tempContentLength;
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+ }
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+ // Remove the curl generated Content-Type header if none was set manually
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+ if (!$request->hasHeader('Content-Type')) {
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+ $curlOptions[CURLOPT_HTTPHEADER][] = 'Content-Type:';
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+ }
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+ } else {
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+ $curlOptions[CURLOPT_UPLOAD] = true;
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+ // Let cURL handle setting the Content-Length header
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+ if ($tempContentLength = $request->getHeader('Content-Length')) {
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+ $tempContentLength = (int) (string) $tempContentLength;
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+ $curlOptions[CURLOPT_INFILESIZE] = $tempContentLength;
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+ }
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+ // Add a callback for curl to read data to send with the request only if a body was specified
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+ $curlOptions[CURLOPT_READFUNCTION] = array($mediator, 'readRequestBody');
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+ // Attempt to seek to the start of the stream
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+ $request->getBody()->seek(0);
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+ }
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+
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+ } else {
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+
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+ // Special handling for POST specific fields and files
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+ $postFields = false;
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+ if (count($request->getPostFiles())) {
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+ $postFields = $request->getPostFields()->useUrlEncoding(false)->urlEncode();
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+ foreach ($request->getPostFiles() as $key => $data) {
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+ $prefixKeys = count($data) > 1;
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+ foreach ($data as $index => $file) {
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+ // Allow multiple files in the same key
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+ $fieldKey = $prefixKeys ? "{$key}[{$index}]" : $key;
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+ $postFields[$fieldKey] = $file->getCurlValue();
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+ }
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+ }
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+ } elseif (count($request->getPostFields())) {
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+ $postFields = (string) $request->getPostFields()->useUrlEncoding(true);
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+ }
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+
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+ if ($postFields !== false) {
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+ if ($method == 'POST') {
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+ unset($curlOptions[CURLOPT_CUSTOMREQUEST]);
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+ $curlOptions[CURLOPT_POST] = true;
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+ }
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+ $curlOptions[CURLOPT_POSTFIELDS] = $postFields;
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+ $request->removeHeader('Content-Length');
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+ }
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+ }
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+
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+ // If the Expect header is not present, prevent curl from adding it
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+ if (!$request->hasHeader('Expect')) {
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+ $curlOptions[CURLOPT_HTTPHEADER][] = 'Expect:';
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+ }
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+ }
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+
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+ // If a Content-Length header was specified but we want to allow curl to set one for us
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+ if (null !== $tempContentLength) {
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+ $request->removeHeader('Content-Length');
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+ }
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+
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+ // Set custom cURL options
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+ foreach ($requestCurlOptions->toArray() as $key => $value) {
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+ if (is_numeric($key)) {
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+ $curlOptions[$key] = $value;
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+ }
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+ }
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+
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+ // Do not set an Accept header by default
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+ if (!isset($curlOptions[CURLOPT_ENCODING])) {
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+ $curlOptions[CURLOPT_HTTPHEADER][] = 'Accept:';
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+ }
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+
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+ // Add any custom headers to the request. Empty headers will cause curl to not send the header at all.
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+ foreach ($request->getHeaderLines() as $line) {
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+ $curlOptions[CURLOPT_HTTPHEADER][] = $line;
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+ }
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+
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+ // Add the content-length header back if it was temporarily removed
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+ if (null !== $tempContentLength) {
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+ $request->setHeader('Content-Length', $tempContentLength);
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+ }
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+
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+ // Apply the options to a new cURL handle.
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+ $handle = curl_init();
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+
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+ // Enable the progress function if the 'progress' param was set
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+ if ($requestCurlOptions->get('progress')) {
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+ // Wrap the function in a function that provides the curl handle to the mediator's progress function
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+ // Using this rather than injecting the handle into the mediator prevents a circular reference
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+ $curlOptions[CURLOPT_PROGRESSFUNCTION] = function () use ($mediator, $handle) {
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+ $args = func_get_args();
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+ $args[] = $handle;
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+
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+ // PHP 5.5 pushed the handle onto the start of the args
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+ if (is_resource($args[0])) {
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+ array_shift($args);
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+ }
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+
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+ call_user_func_array(array($mediator, 'progress'), $args);
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+ };
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+ $curlOptions[CURLOPT_NOPROGRESS] = false;
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+ }
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+
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+ curl_setopt_array($handle, $curlOptions);
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+
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+ return new static($handle, $curlOptions);
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+ }
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+
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+ /**
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+ * Construct a new CurlHandle object that wraps a cURL handle
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+ *
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+ * @param resource $handle Configured cURL handle resource
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+ * @param Collection|array $options Curl options to use with the handle
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+ *
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+ * @throws InvalidArgumentException
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+ */
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+ public function __construct($handle, $options)
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+ {
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+ if (!is_resource($handle)) {
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+ throw new InvalidArgumentException('Invalid handle provided');
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+ }
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+ if (is_array($options)) {
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+ $this->options = new Collection($options);
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+ } elseif ($options instanceof Collection) {
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+ $this->options = $options;
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+ } else {
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+ throw new InvalidArgumentException('Expected array or Collection');
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+ }
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+ $this->handle = $handle;
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+ }
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+
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+ /**
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+ * Destructor
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+ */
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+ public function __destruct()
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+ {
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+ $this->close();
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+ }
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+
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+ /**
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+ * Close the curl handle
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+ */
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+ public function close()
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+ {
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+ if (is_resource($this->handle)) {
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+ curl_close($this->handle);
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+ }
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+ $this->handle = null;
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+ }
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+
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+ /**
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+ * Check if the handle is available and still OK
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+ *
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+ * @return bool
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+ */
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+ public function isAvailable()
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+ {
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+ return is_resource($this->handle);
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+ }
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+
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+ /**
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+ * Get the last error that occurred on the cURL handle
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+ *
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+ * @return string
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+ */
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+ public function getError()
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+ {
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+ return $this->isAvailable() ? curl_error($this->handle) : '';
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+ }
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+
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+ /**
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+ * Get the last error number that occurred on the cURL handle
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+ *
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+ * @return int
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+ */
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+ public function getErrorNo()
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+ {
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+ if ($this->errorNo) {
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+ return $this->errorNo;
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+ }
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+
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+ return $this->isAvailable() ? curl_errno($this->handle) : CURLE_OK;
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+ }
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+
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+ /**
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+ * Set the curl error number
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+ *
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+ * @param int $error Error number to set
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+ *
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+ * @return CurlHandle
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+ */
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+ public function setErrorNo($error)
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+ {
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+ $this->errorNo = $error;
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+
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+ return $this;
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+ }
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+
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+ /**
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+ * Get cURL curl_getinfo data
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+ *
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+ * @param int $option Option to retrieve. Pass null to retrieve all data as an array.
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+ *
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|
|
+ * @return array|mixed
|
|
|
|
|
+ */
|
|
|
|
|
+ public function getInfo($option = null)
|
|
|
|
|
+ {
|
|
|
|
|
+ if (!is_resource($this->handle)) {
|
|
|
|
|
+ return null;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ if (null !== $option) {
|
|
|
|
|
+ return curl_getinfo($this->handle, $option) ?: null;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ return curl_getinfo($this->handle) ?: array();
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * Get the stderr output
|
|
|
|
|
+ *
|
|
|
|
|
+ * @param bool $asResource Set to TRUE to get an fopen resource
|
|
|
|
|
+ *
|
|
|
|
|
+ * @return string|resource|null
|
|
|
|
|
+ */
|
|
|
|
|
+ public function getStderr($asResource = false)
|
|
|
|
|
+ {
|
|
|
|
|
+ $stderr = $this->getOptions()->get(CURLOPT_STDERR);
|
|
|
|
|
+ if (!$stderr) {
|
|
|
|
|
+ return null;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ if ($asResource) {
|
|
|
|
|
+ return $stderr;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ fseek($stderr, 0);
|
|
|
|
|
+ $e = stream_get_contents($stderr);
|
|
|
|
|
+ fseek($stderr, 0, SEEK_END);
|
|
|
|
|
+
|
|
|
|
|
+ return $e;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * Get the URL that this handle is connecting to
|
|
|
|
|
+ *
|
|
|
|
|
+ * @return Url
|
|
|
|
|
+ */
|
|
|
|
|
+ public function getUrl()
|
|
|
|
|
+ {
|
|
|
|
|
+ return Url::factory($this->options->get(CURLOPT_URL));
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * Get the wrapped curl handle
|
|
|
|
|
+ *
|
|
|
|
|
+ * @return resource|null Returns the cURL handle or null if it was closed
|
|
|
|
|
+ */
|
|
|
|
|
+ public function getHandle()
|
|
|
|
|
+ {
|
|
|
|
|
+ return $this->isAvailable() ? $this->handle : null;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * Get the cURL setopt options of the handle. Changing values in the return object will have no effect on the curl
|
|
|
|
|
+ * handle after it is created.
|
|
|
|
|
+ *
|
|
|
|
|
+ * @return Collection
|
|
|
|
|
+ */
|
|
|
|
|
+ public function getOptions()
|
|
|
|
|
+ {
|
|
|
|
|
+ return $this->options;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * Update a request based on the log messages of the CurlHandle
|
|
|
|
|
+ *
|
|
|
|
|
+ * @param RequestInterface $request Request to update
|
|
|
|
|
+ */
|
|
|
|
|
+ public function updateRequestFromTransfer(RequestInterface $request)
|
|
|
|
|
+ {
|
|
|
|
|
+ if (!$request->getResponse()) {
|
|
|
|
|
+ return;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ // Update the transfer stats of the response
|
|
|
|
|
+ $request->getResponse()->setInfo($this->getInfo());
|
|
|
|
|
+
|
|
|
|
|
+ if (!$log = $this->getStderr(true)) {
|
|
|
|
|
+ return;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ // Parse the cURL stderr output for outgoing requests
|
|
|
|
|
+ $headers = '';
|
|
|
|
|
+ fseek($log, 0);
|
|
|
|
|
+ while (($line = fgets($log)) !== false) {
|
|
|
|
|
+ if ($line && $line[0] == '>') {
|
|
|
|
|
+ $headers = substr(trim($line), 2) . "\r\n";
|
|
|
|
|
+ while (($line = fgets($log)) !== false) {
|
|
|
|
|
+ if ($line[0] == '*' || $line[0] == '<') {
|
|
|
|
|
+ break;
|
|
|
|
|
+ } else {
|
|
|
|
|
+ $headers .= trim($line) . "\r\n";
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ // Add request headers to the request exactly as they were sent
|
|
|
|
|
+ if ($headers) {
|
|
|
|
|
+ $parsed = ParserRegistry::getInstance()->getParser('message')->parseRequest($headers);
|
|
|
|
|
+ if (!empty($parsed['headers'])) {
|
|
|
|
|
+ $request->setHeaders(array());
|
|
|
|
|
+ foreach ($parsed['headers'] as $name => $value) {
|
|
|
|
|
+ $request->setHeader($name, $value);
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+ if (!empty($parsed['version'])) {
|
|
|
|
|
+ $request->setProtocolVersion($parsed['version']);
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ /**
|
|
|
|
|
+ * Parse the config and replace curl.* configurators into the constant based values so it can be used elsewhere
|
|
|
|
|
+ *
|
|
|
|
|
+ * @param array|Collection $config The configuration we want to parse
|
|
|
|
|
+ *
|
|
|
|
|
+ * @return array
|
|
|
|
|
+ */
|
|
|
|
|
+ public static function parseCurlConfig($config)
|
|
|
|
|
+ {
|
|
|
|
|
+ $curlOptions = array();
|
|
|
|
|
+ foreach ($config as $key => $value) {
|
|
|
|
|
+ if (is_string($key) && defined($key)) {
|
|
|
|
|
+ // Convert constants represented as string to constant int values
|
|
|
|
|
+ $key = constant($key);
|
|
|
|
|
+ }
|
|
|
|
|
+ if (is_string($value) && defined($value)) {
|
|
|
|
|
+ $value = constant($value);
|
|
|
|
|
+ }
|
|
|
|
|
+ $curlOptions[$key] = $value;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ return $curlOptions;
|
|
|
|
|
+ }
|
|
|
|
|
+}
|