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TinyHttp.php
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Mon, Dec 23, 07:13

TinyHttp.php
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<?php
/**
* Based on TinyHttp from https://gist.github.com/618157.
* Copyright 2011, Neuman Vong. BSD License.
*/
class Services_Twilio_TinyHttpException extends ErrorException {}
/**
* An HTTP client that makes requests
*
* :param string $uri: The base uri to use for requests
* :param array $kwargs: An array of additional arguments to pass to the
* library. Accepted arguments are:
*
* - **debug** - Print the HTTP request before making it to Twilio
* - **curlopts** - An array of keys and values that are passed to
* ``curl_setopt_array``.
*
* Here's an example. This is the default HTTP client used by the library.
*
* .. code-block:: php
*
* $_http = new Services_Twilio_TinyHttp(
* "https://api.twilio.com",
* array("curlopts" => array(
* CURLOPT_USERAGENT => self::USER_AGENT,
* CURLOPT_HTTPHEADER => array('Accept-Charset: utf-8'),
* CURLOPT_CAINFO => dirname(__FILE__) . '/cacert.pem',
* ))
* );
*/
class Services_Twilio_TinyHttp {
var $user, $pass, $scheme, $host, $port, $debug, $curlopts;
public function __construct($uri = '', $kwargs = array()) {
foreach (parse_url($uri) as $name => $value) $this->$name = $value;
$this->debug = isset($kwargs['debug']) ? !!$kwargs['debug'] : NULL;
$this->curlopts = isset($kwargs['curlopts']) ? $kwargs['curlopts'] : array();
}
public function __call($name, $args) {
list($res, $req_headers, $req_body) = $args + array(0, array(), '');
$opts = $this->curlopts + array(
CURLOPT_URL => "$this->scheme://$this->host$res",
CURLOPT_HEADER => TRUE,
CURLOPT_RETURNTRANSFER => TRUE,
CURLOPT_INFILESIZE => -1,
CURLOPT_POSTFIELDS => NULL,
CURLOPT_TIMEOUT => 60,
);
foreach ($req_headers as $k => $v) $opts[CURLOPT_HTTPHEADER][] = "$k: $v";
if ($this->port) $opts[CURLOPT_PORT] = $this->port;
if ($this->debug) $opts[CURLINFO_HEADER_OUT] = TRUE;
if ($this->user && $this->pass) $opts[CURLOPT_USERPWD] = "$this->user:$this->pass";
switch ($name) {
case 'get':
$opts[CURLOPT_HTTPGET] = TRUE;
break;
case 'post':
$opts[CURLOPT_POST] = TRUE;
$opts[CURLOPT_POSTFIELDS] = $req_body;
break;
case 'put':
$opts[CURLOPT_PUT] = TRUE;
if (strlen($req_body)) {
if ($buf = fopen('php://memory', 'w+')) {
fwrite($buf, $req_body);
fseek($buf, 0);
$opts[CURLOPT_INFILE] = $buf;
$opts[CURLOPT_INFILESIZE] = strlen($req_body);
} else throw new Services_Twilio_TinyHttpException('unable to open temporary file');
}
break;
case 'head':
$opts[CURLOPT_NOBODY] = TRUE;
break;
default:
$opts[CURLOPT_CUSTOMREQUEST] = strtoupper($name);
break;
}
try {
if ($curl = curl_init()) {
if (curl_setopt_array($curl, $opts)) {
if ($response = curl_exec($curl)) {
$parts = explode("\r\n\r\n", $response, 3);
list($head, $body) = ($parts[0] == 'HTTP/1.1 100 Continue')
? array($parts[1], $parts[2])
: array($parts[0], $parts[1]);
$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($this->debug) {
error_log(
curl_getinfo($curl, CURLINFO_HEADER_OUT) .
$req_body
);
}
$header_lines = explode("\r\n", $head);
array_shift($header_lines);
foreach ($header_lines as $line) {
list($key, $value) = explode(":", $line, 2);
$headers[$key] = trim($value);
}
curl_close($curl);
if (isset($buf) && is_resource($buf)) {
fclose($buf);
}
return array($status, $headers, $body);
} else {
throw new Services_Twilio_TinyHttpException(curl_error($curl));
}
} else throw new Services_Twilio_TinyHttpException(curl_error($curl));
} else throw new Services_Twilio_TinyHttpException('unable to initialize cURL');
} catch (ErrorException $e) {
if (is_resource($curl)) curl_close($curl);
if (isset($buf) && is_resource($buf)) fclose($buf);
throw $e;
}
}
public function authenticate($user, $pass) {
$this->user = $user;
$this->pass = $pass;
}
}

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