Created
May 3, 2014 20:06
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HTTP Request Class to rebuild RAW request from $_SERVER
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/** | |
* Access the HTTP Request | |
* | |
* Found on http://www.daniweb.com/web-development/php/code/216846/get-http-request-headers-and-body | |
*/ | |
class http_request { | |
/** additional HTTP headers not prefixed with HTTP_ in $_SERVER superglobal */ | |
public $add_headers = array('CONTENT_TYPE', 'CONTENT_LENGTH'); | |
/** | |
* Construtor | |
* Retrieve HTTP Body | |
* @param Array Additional Headers to retrieve | |
*/ | |
function __construct($add_headers = false) { | |
$this->retrieve_headers($add_headers); | |
$this->body = @file_get_contents('php://input'); | |
} | |
/** | |
* Retrieve the HTTP request headers from the $_SERVER superglobal | |
* @param Array Additional Headers to retrieve | |
*/ | |
function retrieve_headers($add_headers = false) { | |
if ($add_headers) { | |
$this->add_headers = array_merge($this->add_headers, $add_headers); | |
} | |
if (isset($_SERVER['HTTP_METHOD'])) { | |
$this->method = $_SERVER['HTTP_METHOD']; | |
unset($_SERVER['HTTP_METHOD']); | |
} else { | |
$this->method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : false; | |
} | |
$this->protocol = isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : false; | |
$this->request_method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : false; | |
$this->headers = array(); | |
foreach($_SERVER as $i=>$val) { | |
if (strpos($i, 'HTTP_') === 0 || in_array($i, $this->add_headers)) { | |
$name = str_replace(array('HTTP_', '_'), array('', '-'), $i); | |
$this->headers[$name] = $val; | |
} | |
} | |
} | |
/** | |
* Retrieve HTTP Method | |
*/ | |
function method() { | |
return $this->method; | |
} | |
/** | |
* Retrieve HTTP Body | |
*/ | |
function body() { | |
return $this->body; | |
} | |
/** | |
* Retrieve an HTTP Header | |
* @param string Case-Insensitive HTTP Header Name (eg: "User-Agent") | |
*/ | |
function header($name) { | |
$name = strtoupper($name); | |
return isset($this->headers[$name]) ? $this->headers[$name] : false; | |
} | |
/** | |
* Retrieve all HTTP Headers | |
* @return array HTTP Headers | |
*/ | |
function headers() { | |
return $this->headers; | |
} | |
/** | |
* Return Raw HTTP Request (note: This is incomplete) | |
* @param bool ReBuild the Raw HTTP Request | |
*/ | |
function raw($refresh = false) { | |
if (isset($this->raw) && !$refresh) { | |
return $this->raw; // return cached | |
} | |
$headers = $this->headers(); | |
$this->raw = "{$this->method} {$_SERVER['REQUEST_URI']} {$this->protocol}\r\n"; | |
foreach($headers as $i=>$header) { | |
$this->raw .= "$i: $header\r\n"; | |
} | |
$this->raw .= "\r\n{$this->body}"; | |
return $this->raw; | |
} | |
} | |
/** | |
* Example Usage | |
* Echos the HTTP Request back to the client/browser | |
*/ | |
$http_request = new http_request(); | |
$resp = $http_request->raw(); | |
echo nl2br($resp); | |
/* Result (less <br> tags) | |
GET / HTTP/1.1 | |
HOST: localhost:80 | |
USER-AGENT: Mozilla/5.0 ... | |
ACCEPT: text/html,application/xhtml+xml,application/xml;... | |
ACCEPT-LANGUAGE: en-US,en;q=0.5 | |
ACCEPT-ENCODING: gzip, deflate | |
DNT: 1 | |
COOKIE: PHPSESSID=... | |
CONNECTION: keep-alive | |
*/ |
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