splitbrain /
dokuwiki
Complex classes like HTTPClient often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use HTTPClient, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 20 | class HTTPClient { |
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| 21 | //set these if you like |
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| 22 | public $agent; // User agent |
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| 23 | public $http; // HTTP version defaults to 1.0 |
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| 24 | public $timeout; // read timeout (seconds) |
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| 25 | public $cookies; |
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| 26 | public $referer; |
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| 27 | public $max_redirect; |
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| 28 | public $max_bodysize; |
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| 29 | public $max_bodysize_abort = true; // if set, abort if the response body is bigger than max_bodysize |
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| 30 | public $header_regexp; // if set this RE must match against the headers, else abort |
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| 31 | public $headers; |
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| 32 | public $debug; |
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| 33 | public $start = 0.0; // for timings |
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| 34 | public $keep_alive = true; // keep alive rocks |
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| 35 | |||
| 36 | // don't set these, read on error |
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| 37 | public $error; |
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| 38 | public $redirect_count; |
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| 39 | |||
| 40 | // read these after a successful request |
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| 41 | public $status; |
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| 42 | public $resp_body; |
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| 43 | public $resp_headers; |
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| 44 | |||
| 45 | // set these to do basic authentication |
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| 46 | public $user; |
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| 47 | public $pass; |
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| 48 | |||
| 49 | // set these if you need to use a proxy |
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| 50 | public $proxy_host; |
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| 51 | public $proxy_port; |
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| 52 | public $proxy_user; |
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| 53 | public $proxy_pass; |
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| 54 | public $proxy_ssl; //boolean set to true if your proxy needs SSL |
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| 55 | public $proxy_except; // regexp of URLs to exclude from proxy |
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| 56 | |||
| 57 | // list of kept alive connections |
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| 58 | protected static $connections = array(); |
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| 59 | |||
| 60 | // what we use as boundary on multipart/form-data posts |
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| 61 | protected $boundary = '---DokuWikiHTTPClient--4523452351'; |
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| 62 | |||
| 63 | /** |
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| 64 | * Constructor. |
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| 65 | * |
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| 66 | * @author Andreas Gohr <[email protected]> |
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| 67 | */ |
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| 68 | public function __construct(){ |
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| 86 | |||
| 87 | |||
| 88 | /** |
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| 89 | * Simple function to do a GET request |
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| 90 | * |
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| 91 | * Returns the wanted page or false on an error; |
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| 92 | * |
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| 93 | * @param string $url The URL to fetch |
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| 94 | * @param bool $sloppy304 Return body on 304 not modified |
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| 95 | * @return false|string response body, false on error |
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| 96 | * |
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| 97 | * @author Andreas Gohr <[email protected]> |
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| 98 | */ |
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| 99 | public function get($url,$sloppy304=false){ |
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| 105 | |||
| 106 | /** |
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| 107 | * Simple function to do a GET request with given parameters |
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| 108 | * |
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| 109 | * Returns the wanted page or false on an error. |
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| 110 | * |
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| 111 | * This is a convenience wrapper around get(). The given parameters |
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| 112 | * will be correctly encoded and added to the given base URL. |
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| 113 | * |
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| 114 | * @param string $url The URL to fetch |
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| 115 | * @param array $data Associative array of parameters |
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| 116 | * @param bool $sloppy304 Return body on 304 not modified |
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| 117 | * @return false|string response body, false on error |
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| 118 | * |
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| 119 | * @author Andreas Gohr <[email protected]> |
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| 120 | */ |
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| 121 | public function dget($url,$data,$sloppy304=false){ |
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| 130 | |||
| 131 | /** |
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| 132 | * Simple function to do a POST request |
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| 133 | * |
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| 134 | * Returns the resulting page or false on an error; |
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| 135 | * |
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| 136 | * @param string $url The URL to fetch |
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| 137 | * @param array $data Associative array of parameters |
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| 138 | * @return false|string response body, false on error |
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| 139 | * @author Andreas Gohr <[email protected]> |
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| 140 | */ |
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| 141 | public function post($url,$data){ |
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| 146 | |||
| 147 | /** |
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| 148 | * Send an HTTP request |
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| 149 | * |
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| 150 | * This method handles the whole HTTP communication. It respects set proxy settings, |
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| 151 | * builds the request headers, follows redirects and parses the response. |
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| 152 | * |
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| 153 | * Post data should be passed as associative array. When passed as string it will be |
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| 154 | * sent as is. You will need to setup your own Content-Type header then. |
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| 155 | * |
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| 156 | * @param string $url - the complete URL |
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| 157 | * @param mixed $data - the post data either as array or raw data |
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| 158 | * @param string $method - HTTP Method usually GET or POST. |
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| 159 | * @return bool - true on success |
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| 160 | * |
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| 161 | * @author Andreas Goetz <[email protected]> |
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| 162 | * @author Andreas Gohr <[email protected]> |
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| 163 | */ |
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| 164 | public function sendRequest($url,$data='',$method='GET'){ |
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| 165 | $this->start = $this->time(); |
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| 166 | $this->error = ''; |
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| 167 | $this->status = 0; |
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| 168 | $this->resp_body = ''; |
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| 169 | $this->resp_headers = array(); |
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| 170 | |||
| 171 | // don't accept gzip if truncated bodies might occur |
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| 172 | if($this->max_bodysize && |
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| 173 | !$this->max_bodysize_abort && |
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| 174 | $this->headers['Accept-encoding'] == 'gzip'){ |
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| 175 | unset($this->headers['Accept-encoding']); |
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| 176 | } |
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| 177 | |||
| 178 | // parse URL into bits |
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| 179 | $uri = parse_url($url); |
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| 180 | $server = $uri['host']; |
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| 181 | $path = !empty($uri['path']) ? $uri['path'] : '/'; |
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| 182 | $uriPort = !empty($uri['port']) ? $uri['port'] : null; |
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| 183 | if(!empty($uri['query'])) $path .= '?'.$uri['query']; |
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| 184 | if(isset($uri['user'])) $this->user = $uri['user']; |
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| 185 | if(isset($uri['pass'])) $this->pass = $uri['pass']; |
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| 186 | |||
| 187 | // proxy setup |
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| 188 | if($this->useProxyForUrl($url)){ |
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| 189 | $request_url = $url; |
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| 190 | $server = $this->proxy_host; |
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| 191 | $port = $this->proxy_port; |
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| 192 | if (empty($port)) $port = 8080; |
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| 193 | $use_tls = $this->proxy_ssl; |
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| 194 | }else{ |
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| 195 | $request_url = $path; |
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| 196 | $port = $uriPort ?: ($uri['scheme'] == 'https' ? 443 : 80); |
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| 197 | $use_tls = ($uri['scheme'] == 'https'); |
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| 198 | } |
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| 199 | |||
| 200 | // add SSL stream prefix if needed - needs SSL support in PHP |
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| 201 | if($use_tls) { |
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| 202 | if(!in_array('ssl', stream_get_transports())) { |
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| 203 | $this->status = -200; |
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| 204 | $this->error = 'This PHP version does not support SSL - cannot connect to server'; |
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| 205 | } |
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| 206 | $server = 'ssl://'.$server; |
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| 207 | } |
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| 208 | |||
| 209 | // prepare headers |
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| 210 | $headers = $this->headers; |
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| 211 | $headers['Host'] = $uri['host'] |
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| 212 | . ($uriPort ? ':' . $uriPort : ''); |
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| 213 | $headers['User-Agent'] = $this->agent; |
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| 214 | $headers['Referer'] = $this->referer; |
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| 215 | |||
| 216 | if($method == 'POST'){ |
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| 217 | if(is_array($data)){ |
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| 218 | if (empty($headers['Content-Type'])) { |
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| 219 | $headers['Content-Type'] = null; |
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| 220 | } |
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| 221 | switch ($headers['Content-Type']) { |
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| 222 | case 'multipart/form-data': |
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| 223 | $headers['Content-Type'] = 'multipart/form-data; boundary=' . $this->boundary; |
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| 224 | $data = $this->postMultipartEncode($data); |
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| 225 | break; |
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| 226 | default: |
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| 227 | $headers['Content-Type'] = 'application/x-www-form-urlencoded'; |
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| 228 | $data = $this->postEncode($data); |
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| 229 | } |
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| 230 | } |
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| 231 | }elseif($method == 'GET'){ |
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| 232 | $data = ''; //no data allowed on GET requests |
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| 233 | } |
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| 234 | |||
| 235 | $contentlength = strlen($data); |
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| 236 | if($contentlength) { |
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| 237 | $headers['Content-Length'] = $contentlength; |
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| 238 | } |
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| 239 | |||
| 240 | if($this->user) { |
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| 241 | $headers['Authorization'] = 'Basic '.base64_encode($this->user.':'.$this->pass); |
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| 242 | } |
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| 243 | if($this->proxy_user) { |
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| 244 | $headers['Proxy-Authorization'] = 'Basic '.base64_encode($this->proxy_user.':'.$this->proxy_pass); |
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| 245 | } |
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| 246 | |||
| 247 | // already connected? |
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| 248 | $connectionId = $this->uniqueConnectionId($server,$port); |
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| 249 | $this->debug('connection pool', self::$connections); |
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| 250 | $socket = null; |
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| 251 | if (isset(self::$connections[$connectionId])) { |
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| 252 | $this->debug('reusing connection', $connectionId); |
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| 253 | $socket = self::$connections[$connectionId]; |
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| 254 | } |
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| 255 | if (is_null($socket) || feof($socket)) { |
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| 256 | $this->debug('opening connection', $connectionId); |
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| 257 | // open socket |
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| 258 | $socket = @fsockopen($server,$port,$errno, $errstr, $this->timeout); |
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| 259 | if (!$socket){ |
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| 260 | $this->status = -100; |
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| 261 | $this->error = "Could not connect to $server:$port\n$errstr ($errno)"; |
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| 262 | return false; |
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| 263 | } |
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| 264 | |||
| 265 | // try establish a CONNECT tunnel for SSL |
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| 266 | try { |
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| 267 | if($this->ssltunnel($socket, $request_url)){ |
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| 268 | // no keep alive for tunnels |
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| 269 | $this->keep_alive = false; |
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| 270 | // tunnel is authed already |
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| 271 | if(isset($headers['Proxy-Authentication'])) unset($headers['Proxy-Authentication']); |
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| 272 | } |
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| 273 | } catch (HTTPClientException $e) { |
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| 274 | $this->status = $e->getCode(); |
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| 275 | $this->error = $e->getMessage(); |
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| 276 | fclose($socket); |
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| 277 | return false; |
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| 278 | } |
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| 279 | |||
| 280 | // keep alive? |
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| 281 | if ($this->keep_alive) { |
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| 282 | self::$connections[$connectionId] = $socket; |
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| 283 | } else { |
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| 284 | unset(self::$connections[$connectionId]); |
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| 285 | } |
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| 286 | } |
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| 287 | |||
| 288 | if ($this->keep_alive && !$this->useProxyForUrl($request_url)) { |
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| 289 | // RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive |
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| 290 | // connection token to a proxy server. We still do keep the connection the |
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| 291 | // proxy alive (well except for CONNECT tunnels) |
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| 292 | $headers['Connection'] = 'Keep-Alive'; |
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| 293 | } else { |
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| 294 | $headers['Connection'] = 'Close'; |
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| 295 | } |
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| 296 | |||
| 297 | try { |
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| 298 | //set non-blocking |
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| 299 | stream_set_blocking($socket, 0); |
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| 300 | |||
| 301 | // build request |
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| 302 | $request = "$method $request_url HTTP/".$this->http.HTTP_NL; |
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| 303 | $request .= $this->buildHeaders($headers); |
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| 304 | $request .= $this->getCookies(); |
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| 305 | $request .= HTTP_NL; |
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| 306 | $request .= $data; |
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| 307 | |||
| 308 | $this->debug('request',$request); |
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| 309 | $this->sendData($socket, $request, 'request'); |
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| 310 | |||
| 311 | // read headers from socket |
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| 312 | $r_headers = ''; |
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| 313 | do{ |
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| 314 | $r_line = $this->readLine($socket, 'headers'); |
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| 315 | $r_headers .= $r_line; |
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| 316 | }while($r_line != "\r\n" && $r_line != "\n"); |
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| 317 | |||
| 318 | $this->debug('response headers',$r_headers); |
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| 319 | |||
| 320 | // check if expected body size exceeds allowance |
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| 321 | if($this->max_bodysize && preg_match('/\r?\nContent-Length:\s*(\d+)\r?\n/i',$r_headers,$match)){ |
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| 322 | if($match[1] > $this->max_bodysize){ |
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| 323 | if ($this->max_bodysize_abort) |
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| 324 | throw new HTTPClientException('Reported content length exceeds allowed response size'); |
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| 325 | else |
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| 326 | $this->error = 'Reported content length exceeds allowed response size'; |
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| 327 | } |
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| 328 | } |
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| 329 | |||
| 330 | // get Status |
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| 331 | if (!preg_match('/^HTTP\/(\d\.\d)\s*(\d+).*?\n/s', $r_headers, $m)) |
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| 332 | throw new HTTPClientException('Server returned bad answer '.$r_headers); |
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| 333 | |||
| 334 | $this->status = $m[2]; |
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| 335 | |||
| 336 | // handle headers and cookies |
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| 337 | $this->resp_headers = $this->parseHeaders($r_headers); |
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| 338 | if(isset($this->resp_headers['set-cookie'])){ |
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| 339 | foreach ((array) $this->resp_headers['set-cookie'] as $cookie){ |
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| 340 | list($cookie) = explode(';',$cookie,2); |
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| 341 | list($key,$val) = explode('=',$cookie,2); |
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| 342 | $key = trim($key); |
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| 343 | if($val == 'deleted'){ |
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| 344 | if(isset($this->cookies[$key])){ |
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| 345 | unset($this->cookies[$key]); |
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| 346 | } |
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| 347 | }elseif($key){ |
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| 348 | $this->cookies[$key] = $val; |
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| 349 | } |
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| 350 | } |
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| 351 | } |
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| 352 | |||
| 353 | $this->debug('Object headers',$this->resp_headers); |
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| 354 | |||
| 355 | // check server status code to follow redirect |
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| 356 | if($this->status == 301 || $this->status == 302 ){ |
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| 357 | if (empty($this->resp_headers['location'])){ |
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| 358 | throw new HTTPClientException('Redirect but no Location Header found'); |
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| 359 | }elseif($this->redirect_count == $this->max_redirect){ |
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| 360 | throw new HTTPClientException('Maximum number of redirects exceeded'); |
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| 361 | }else{ |
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| 362 | // close the connection because we don't handle content retrieval here |
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| 363 | // that's the easiest way to clean up the connection |
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| 364 | fclose($socket); |
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| 365 | unset(self::$connections[$connectionId]); |
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| 366 | |||
| 367 | $this->redirect_count++; |
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| 368 | $this->referer = $url; |
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| 369 | // handle non-RFC-compliant relative redirects |
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| 370 | if (!preg_match('/^http/i', $this->resp_headers['location'])){ |
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| 371 | if($this->resp_headers['location'][0] != '/'){ |
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| 372 | $this->resp_headers['location'] = $uri['scheme'].'://'.$uri['host'].':'.$uriPort. |
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| 373 | dirname($path).'/'.$this->resp_headers['location']; |
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| 374 | }else{ |
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| 375 | $this->resp_headers['location'] = $uri['scheme'].'://'.$uri['host'].':'.$uriPort. |
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| 376 | $this->resp_headers['location']; |
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| 377 | } |
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| 378 | } |
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| 379 | // perform redirected request, always via GET (required by RFC) |
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| 380 | return $this->sendRequest($this->resp_headers['location'],array(),'GET'); |
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| 381 | } |
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| 382 | } |
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| 383 | |||
| 384 | // check if headers are as expected |
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| 385 | if($this->header_regexp && !preg_match($this->header_regexp,$r_headers)) |
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| 386 | throw new HTTPClientException('The received headers did not match the given regexp'); |
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| 387 | |||
| 388 | //read body (with chunked encoding if needed) |
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| 389 | $r_body = ''; |
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| 390 | if( |
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| 391 | ( |
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| 392 | isset($this->resp_headers['transfer-encoding']) && |
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| 393 | $this->resp_headers['transfer-encoding'] == 'chunked' |
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| 394 | ) || ( |
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| 395 | isset($this->resp_headers['transfer-coding']) && |
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| 396 | $this->resp_headers['transfer-coding'] == 'chunked' |
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| 397 | ) |
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| 398 | ) { |
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| 399 | $abort = false; |
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| 400 | do { |
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| 401 | $chunk_size = ''; |
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| 402 | while (preg_match('/^[a-zA-Z0-9]?$/',$byte=$this->readData($socket,1,'chunk'))){ |
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| 403 | // read chunksize until \r |
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| 404 | $chunk_size .= $byte; |
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| 405 | if (strlen($chunk_size) > 128) // set an abritrary limit on the size of chunks |
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| 406 | throw new HTTPClientException('Allowed response size exceeded'); |
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| 407 | } |
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| 408 | $this->readLine($socket, 'chunk'); // readtrailing \n |
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| 409 | $chunk_size = hexdec($chunk_size); |
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| 410 | |||
| 411 | if($this->max_bodysize && $chunk_size+strlen($r_body) > $this->max_bodysize){ |
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| 412 | if ($this->max_bodysize_abort) |
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| 413 | throw new HTTPClientException('Allowed response size exceeded'); |
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| 414 | $this->error = 'Allowed response size exceeded'; |
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| 415 | $chunk_size = $this->max_bodysize - strlen($r_body); |
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| 416 | $abort = true; |
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| 417 | } |
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| 418 | |||
| 419 | if ($chunk_size > 0) { |
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| 420 | $r_body .= $this->readData($socket, $chunk_size, 'chunk'); |
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| 421 | $this->readData($socket, 2, 'chunk'); // read trailing \r\n |
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| 422 | } |
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| 423 | } while ($chunk_size && !$abort); |
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| 424 | }elseif(isset($this->resp_headers['content-length']) && !isset($this->resp_headers['transfer-encoding'])){ |
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| 425 | /* RFC 2616 |
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| 426 | * If a message is received with both a Transfer-Encoding header field and a Content-Length |
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| 427 | * header field, the latter MUST be ignored. |
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| 428 | */ |
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| 429 | |||
| 430 | // read up to the content-length or max_bodysize |
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| 431 | // for keep alive we need to read the whole message to clean up the socket for the next read |
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| 432 | if( |
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| 433 | !$this->keep_alive && |
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| 434 | $this->max_bodysize && |
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| 435 | $this->max_bodysize < $this->resp_headers['content-length'] |
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| 436 | ) { |
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| 437 | $length = $this->max_bodysize + 1; |
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| 438 | }else{ |
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| 439 | $length = $this->resp_headers['content-length']; |
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| 440 | } |
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| 441 | |||
| 442 | $r_body = $this->readData($socket, $length, 'response (content-length limited)', true); |
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| 443 | }elseif( !isset($this->resp_headers['transfer-encoding']) && $this->max_bodysize && !$this->keep_alive){ |
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| 444 | $r_body = $this->readData($socket, $this->max_bodysize+1, 'response (content-length limited)', true); |
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| 445 | } elseif ((int)$this->status === 204) { |
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| 446 | // request has no content |
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| 447 | } else{ |
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| 448 | // read entire socket |
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| 449 | while (!feof($socket)) { |
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| 450 | $r_body .= $this->readData($socket, 4096, 'response (unlimited)', true); |
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| 451 | } |
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| 452 | } |
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| 453 | |||
| 454 | // recheck body size, we might have read max_bodysize+1 or even the whole body, so we abort late here |
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| 455 | if($this->max_bodysize){ |
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| 456 | if(strlen($r_body) > $this->max_bodysize){ |
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| 457 | if ($this->max_bodysize_abort) { |
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| 458 | throw new HTTPClientException('Allowed response size exceeded'); |
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| 459 | } else { |
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| 460 | $this->error = 'Allowed response size exceeded'; |
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| 461 | } |
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| 462 | } |
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| 463 | } |
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| 464 | |||
| 465 | } catch (HTTPClientException $err) { |
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| 466 | $this->error = $err->getMessage(); |
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| 467 | if ($err->getCode()) |
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| 468 | $this->status = $err->getCode(); |
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| 469 | unset(self::$connections[$connectionId]); |
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| 470 | fclose($socket); |
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| 471 | return false; |
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| 472 | } |
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| 473 | |||
| 474 | if (!$this->keep_alive || |
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| 475 | (isset($this->resp_headers['connection']) && $this->resp_headers['connection'] == 'Close')) { |
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| 476 | // close socket |
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| 477 | fclose($socket); |
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| 478 | unset(self::$connections[$connectionId]); |
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| 479 | } |
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| 480 | |||
| 481 | // decode gzip if needed |
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| 482 | if(isset($this->resp_headers['content-encoding']) && |
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| 483 | $this->resp_headers['content-encoding'] == 'gzip' && |
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| 484 | strlen($r_body) > 10 && substr($r_body,0,3)=="\x1f\x8b\x08"){ |
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| 485 | $this->resp_body = @gzinflate(substr($r_body, 10)); |
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| 486 | if($this->resp_body === false){ |
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| 487 | $this->error = 'Failed to decompress gzip encoded content'; |
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| 488 | $this->resp_body = $r_body; |
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| 489 | } |
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| 490 | }else{ |
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| 491 | $this->resp_body = $r_body; |
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| 492 | } |
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| 493 | |||
| 494 | $this->debug('response body',$this->resp_body); |
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| 495 | $this->redirect_count = 0; |
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| 496 | return true; |
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| 497 | } |
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| 498 | |||
| 499 | /** |
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| 500 | * Tries to establish a CONNECT tunnel via Proxy |
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| 501 | * |
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| 502 | * Protocol, Servername and Port will be stripped from the request URL when a successful CONNECT happened |
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| 503 | * |
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| 504 | * @param resource &$socket |
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| 505 | * @param string &$requesturl |
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| 506 | * @throws HTTPClientException when a tunnel is needed but could not be established |
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| 507 | * @return bool true if a tunnel was established |
||
| 508 | */ |
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| 509 | protected function ssltunnel(&$socket, &$requesturl){ |
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| 560 | |||
| 561 | /** |
||
| 562 | * Safely write data to a socket |
||
| 563 | * |
||
| 564 | * @param resource $socket An open socket handle |
||
| 565 | * @param string $data The data to write |
||
| 566 | * @param string $message Description of what is being read |
||
| 567 | * @throws HTTPClientException |
||
| 568 | * |
||
| 569 | * @author Tom N Harris <[email protected]> |
||
| 570 | */ |
||
| 571 | protected function sendData($socket, $data, $message) { |
||
| 600 | |||
| 601 | /** |
||
| 602 | * Safely read data from a socket |
||
| 603 | * |
||
| 604 | * Reads up to a given number of bytes or throws an exception if the |
||
| 605 | * response times out or ends prematurely. |
||
| 606 | * |
||
| 607 | * @param resource $socket An open socket handle in non-blocking mode |
||
| 608 | * @param int $nbytes Number of bytes to read |
||
| 609 | * @param string $message Description of what is being read |
||
| 610 | * @param bool $ignore_eof End-of-file is not an error if this is set |
||
| 611 | * @throws HTTPClientException |
||
| 612 | * @return string |
||
| 613 | * |
||
| 614 | * @author Tom N Harris <[email protected]> |
||
| 615 | */ |
||
| 616 | protected function readData($socket, $nbytes, $message, $ignore_eof = false) { |
||
| 653 | |||
| 654 | /** |
||
| 655 | * Safely read a \n-terminated line from a socket |
||
| 656 | * |
||
| 657 | * Always returns a complete line, including the terminating \n. |
||
| 658 | * |
||
| 659 | * @param resource $socket An open socket handle in non-blocking mode |
||
| 660 | * @param string $message Description of what is being read |
||
| 661 | * @throws HTTPClientException |
||
| 662 | * @return string |
||
| 663 | * |
||
| 664 | * @author Tom N Harris <[email protected]> |
||
| 665 | */ |
||
| 666 | protected function readLine($socket, $message) { |
||
| 691 | |||
| 692 | /** |
||
| 693 | * print debug info |
||
| 694 | * |
||
| 695 | * Uses _debug_text or _debug_html depending on the SAPI name |
||
| 696 | * |
||
| 697 | * @author Andreas Gohr <[email protected]> |
||
| 698 | * |
||
| 699 | * @param string $info |
||
| 700 | * @param mixed $var |
||
| 701 | */ |
||
| 702 | protected function debug($info,$var=null){ |
||
| 710 | |||
| 711 | /** |
||
| 712 | * print debug info as HTML |
||
| 713 | * |
||
| 714 | * @param string $info |
||
| 715 | * @param mixed $var |
||
| 716 | */ |
||
| 717 | protected function debugHtml($info, $var=null){ |
||
| 727 | |||
| 728 | /** |
||
| 729 | * prints debug info as plain text |
||
| 730 | * |
||
| 731 | * @param string $info |
||
| 732 | * @param mixed $var |
||
| 733 | */ |
||
| 734 | protected function debugText($info, $var=null){ |
||
| 739 | |||
| 740 | /** |
||
| 741 | * Return current timestamp in microsecond resolution |
||
| 742 | * |
||
| 743 | * @return float |
||
| 744 | */ |
||
| 745 | protected static function time(){ |
||
| 749 | |||
| 750 | /** |
||
| 751 | * convert given header string to Header array |
||
| 752 | * |
||
| 753 | * All Keys are lowercased. |
||
| 754 | * |
||
| 755 | * @author Andreas Gohr <[email protected]> |
||
| 756 | * |
||
| 757 | * @param string $string |
||
| 758 | * @return array |
||
| 759 | */ |
||
| 760 | protected function parseHeaders($string){ |
||
| 782 | |||
| 783 | /** |
||
| 784 | * convert given header array to header string |
||
| 785 | * |
||
| 786 | * @author Andreas Gohr <[email protected]> |
||
| 787 | * |
||
| 788 | * @param array $headers |
||
| 789 | * @return string |
||
| 790 | */ |
||
| 791 | protected function buildHeaders($headers){ |
||
| 799 | |||
| 800 | /** |
||
| 801 | * get cookies as http header string |
||
| 802 | * |
||
| 803 | * @author Andreas Goetz <[email protected]> |
||
| 804 | * |
||
| 805 | * @return string |
||
| 806 | */ |
||
| 807 | protected function getCookies(){ |
||
| 816 | |||
| 817 | /** |
||
| 818 | * Encode data for posting |
||
| 819 | * |
||
| 820 | * @author Andreas Gohr <[email protected]> |
||
| 821 | * |
||
| 822 | * @param array $data |
||
| 823 | * @return string |
||
| 824 | */ |
||
| 825 | protected function postEncode($data){ |
||
| 828 | |||
| 829 | /** |
||
| 830 | * Encode data for posting using multipart encoding |
||
| 831 | * |
||
| 832 | * @fixme use of urlencode might be wrong here |
||
| 833 | * @author Andreas Gohr <[email protected]> |
||
| 834 | * |
||
| 835 | * @param array $data |
||
| 836 | * @return string |
||
| 837 | */ |
||
| 838 | protected function postMultipartEncode($data){ |
||
| 861 | |||
| 862 | /** |
||
| 863 | * Generates a unique identifier for a connection. |
||
| 864 | * |
||
| 865 | * @param string $server |
||
| 866 | * @param string $port |
||
| 867 | * @return string unique identifier |
||
| 868 | */ |
||
| 869 | protected function uniqueConnectionId($server, $port) { |
||
| 872 | |||
| 873 | /** |
||
| 874 | * Should the Proxy be used for the given URL? |
||
| 875 | * |
||
| 876 | * Checks the exceptions |
||
| 877 | * |
||
| 878 | * @param string $url |
||
| 879 | * @return bool |
||
| 880 | */ |
||
| 881 | protected function useProxyForUrl($url) { |
||
| 884 | } |
||
| 885 |
