v1.2.5.406

rainloop/v/1.2.5.406/app/libraries/Buzz/Client/AbstractCurl.php

@@ -0,0 +1,201 @@
+<?php
+
+namespace Buzz\Client;
+
+use Buzz\Message\Form\FormRequestInterface;
+use Buzz\Message\Form\FormUploadInterface;
+use Buzz\Message\MessageInterface;
+use Buzz\Message\RequestInterface;
+use Buzz\Exception\ClientException;
+
+/**
+ * Base client class with helpers for working with cURL.
+ */
+abstract class AbstractCurl extends AbstractClient
+{
+    protected $options = array();
+
+    public function __construct()
+    {
+        if (defined('CURLOPT_PROTOCOLS')) {
+            $this->options = array(
+                CURLOPT_PROTOCOLS => CURLPROTO_HTTP | CURLPROTO_HTTPS,
+                CURLOPT_REDIR_PROTOCOLS => CURLPROTO_HTTP | CURLPROTO_HTTPS,
+            );
+        }
+    }
+
+    /**
+     * Creates a new cURL resource.
+     *
+     * @see curl_init()
+     *
+     * @return resource A new cURL resource
+     */
+    protected static function createCurlHandle()
+    {
+        if (false === $curl = curl_init()) {
+            throw new ClientException('Unable to create a new cURL handle');
+        }
+
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($curl, CURLOPT_HEADER, true);
+
+        return $curl;
+    }
+
+    /**
+     * Populates a response object.
+     *
+     * @param resource         $curl     A cURL resource
+     * @param string           $raw      The raw response string
+     * @param MessageInterface $response The response object
+     */
+    protected static function populateResponse($curl, $raw, MessageInterface $response)
+    {
+        $pos = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
+
+        $response->setHeaders(static::getLastHeaders(rtrim(substr($raw, 0, $pos))));
+        $response->setContent(substr($raw, $pos));
+    }
+
+    /**
+     * Sets options on a cURL resource based on a request.
+     */
+    private static function setOptionsFromRequest($curl, RequestInterface $request)
+    {
+        $options = array(
+            CURLOPT_CUSTOMREQUEST => $request->getMethod(),
+            CURLOPT_URL           => $request->getHost().$request->getResource(),
+            CURLOPT_HTTPHEADER    => $request->getHeaders(),
+        );
+
+        switch ($request->getMethod()) {
+            case RequestInterface::METHOD_HEAD:
+                $options[CURLOPT_NOBODY] = true;
+                break;
+
+            case RequestInterface::METHOD_GET:
+                $options[CURLOPT_HTTPGET] = true;
+                break;
+
+            case RequestInterface::METHOD_POST:
+            case RequestInterface::METHOD_PUT:
+            case RequestInterface::METHOD_DELETE:
+            case RequestInterface::METHOD_PATCH:
+                $options[CURLOPT_POSTFIELDS] = $fields = static::getPostFields($request);
+
+                // remove the content-type header
+                if (is_array($fields)) {
+                    $options[CURLOPT_HTTPHEADER] = array_filter($options[CURLOPT_HTTPHEADER], function($header) {
+                        return 0 !== stripos($header, 'Content-Type: ');
+                    });
+                }
+
+                break;
+        }
+
+        curl_setopt_array($curl, $options);
+    }
+
+    /**
+     * Returns a value for the CURLOPT_POSTFIELDS option.
+     *
+     * @return string|array A post fields value
+     */
+    private static function getPostFields(RequestInterface $request)
+    {
+        if (!$request instanceof FormRequestInterface) {
+            return $request->getContent();
+        }
+
+        $fields = $request->getFields();
+        $multipart = false;
+
+        foreach ($fields as $name => $value) {
+            if ($value instanceof FormUploadInterface) {
+                $multipart = true;
+
+                if ($file = $value->getFile()) {
+                    // replace value with upload string
+                    $fields[$name] = '@'.$file;
+
+                    if ($contentType = $value->getContentType()) {
+                        $fields[$name] .= ';type='.$contentType;
+                    }
+                } else {
+                    return $request->getContent();
+                }
+            }
+        }
+
+        return $multipart ? $fields : http_build_query($fields);
+    }
+
+    /**
+     * A helper for getting the last set of headers.
+     *
+     * @param string $raw A string of many header chunks
+     *
+     * @return array An array of header lines
+     */
+    private static function getLastHeaders($raw)
+    {
+        $headers = array();
+        foreach (preg_split('/(\\r?\\n)/', $raw) as $header) {
+            if ($header) {
+                $headers[] = $header;
+            } else {
+                $headers = array();
+            }
+        }
+
+        return $headers;
+    }
+
+    /**
+     * Stashes a cURL option to be set on send, when the resource is created.
+     *
+     * If the supplied value it set to null the option will be removed.
+     *
+     * @param integer $option The option
+     * @param mixed   $value  The value
+     *
+     * @see curl_setopt()
+     */
+    public function setOption($option, $value)
+    {
+        if (null === $value) {
+            unset($this->options[$option]);
+        } else {
+            $this->options[$option] = $value;
+        }
+    }
+
+    /**
+     * Prepares a cURL resource to send a request.
+     */
+    protected function prepare($curl, RequestInterface $request, array $options = array())
+    {
+        static::setOptionsFromRequest($curl, $request);
+
+        // apply settings from client
+        if ($this->getTimeout() < 1) {
+            curl_setopt($curl, CURLOPT_TIMEOUT_MS, $this->getTimeout() * 1000);
+        } else {
+            curl_setopt($curl, CURLOPT_TIMEOUT, $this->getTimeout());
+        }
+
+        if ($this->proxy) {
+            curl_setopt($curl, CURLOPT_PROXY, $this->proxy);
+        }
+
+        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 0 < $this->getMaxRedirects());
+        curl_setopt($curl, CURLOPT_MAXREDIRS, $this->getMaxRedirects());
+        curl_setopt($curl, CURLOPT_FAILONERROR, !$this->getIgnoreErrors());
+        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->getVerifyPeer());
+
+        // apply additional options
+        curl_setopt_array($curl, $options + $this->options);
+    }
+}