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Pocket.php
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<?php
/**
* php-Pocket
*
* A PHP library for interfacing with Pocket (getpocket.com)
*
* @package pocket-api-php
* @author Dan Chen
* @license MIT License
*/
class Pocket {
/**
* The maximum number of seconds to wait for the Pocket API to respond
*
* @var int
*/
const CURL_TIMEOUT = 15;
/**
* The number of seconds to wait while trying to connect to the Pocket API
*
* @var int
*/
const CURL_CONNECTTIMEOUT = 5;
/**
* The User Agent string for the HTTP request
*
* @var string
*/
const CURL_USERAGENT = 'php-pocket 0.2';
private $_config = array(
'apiUrl' => 'https://getpocket.com/v3',
'consumerKey' => null,
'accessToken' => null,
'debug' => false
);
private static $_statusCodes = array(
400 => 'Invalid request, please make sure you follow the documentation for proper syntax',
401 => 'Problem authenticating the user',
403 => 'User was authenticated, but access denied due to lack of permission or rate limiting',
503 => 'Pocket\'s sync server is down for scheduled maintenance'
);
/**
* Constructor
*
* @param array $settings Array of settings with consumerKey being required
* - consumerKey : required
* - accessToken : optional
* - apiUrl : optional
* - debug : optional
*
* @return void
*/
public function __construct($settings) {
foreach ($settings as $setting => $value) {
if (!array_key_exists($setting, $this->_config)) {
throw new PocketException('Error unknown configuration setting: ' . $setting);
}
$this->_config[$setting] = $value;
}
if ($this->_config['consumerKey'] == null) {
throw new PocketException('Error: Application Consumer Key not provided');
}
}
public function setAccessToken($accessToken) {
$this->_config['accessToken'] = $accessToken;
}
public function requestToken($redirectUri, $state = false) {
$params = array();
$params['redirect_uri'] = $redirectUri;
if ($state != false) {
$params['state'] = $state;
}
$result = $this->_request('/oauth/request', $params);
$query = array(
'request_token' => $result['code'],
'redirect_uri' => $redirectUri
);
$query['redirect_uri'] = 'https://getpocket.com/auth/authorize?' . http_build_query($query);
return $query;
}
public function convertToken($token) {
$params = array();
$params['code'] = $token;
$result = $this->_request('/oauth/authorize', $params);
return $result;
}
/**
* Retrieve a user’s list of items with optional filters
*
* @param array $params List of parameters (optional)
* @param bool $accessToken The user's access token (optional)
*
* @return array Response from Pocket
* @throws PocketException
*/
public function retrieve($params = array(), $accessToken = true) {
return $this->_request('/get', $params, $accessToken);
}
/**
* Sets the persistent storage handler
*
* @param array $params List of parameters
* @param bool $accessToken The user's access token (optional)
*
* @return array Response from Pocket
* @throws PocketException
*/
public function add($params = array(), $accessToken = true) {
return $this->_request('/add', $params, $accessToken);
}
/**
* Private method that makes the HTTP call to Pocket using cURL
*
* @return array Response from Pocket
* @throws PocketException
*/
private function _request($method, $params = null, $accessToken = false) {
$url = $this->_config['apiUrl'] . $method;
if (!$params) {
$params = array();
}
$params['consumer_key'] = $this->_config['consumerKey'];
if ($accessToken === true) {
$params['access_token'] = $this->_config['accessToken'];
} else if ($accessToken !== false) {
$params['access_token'] = $accessToken;
}
$params = json_encode($params);
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_POST, true);
curl_setopt($c, CURLOPT_POSTFIELDS, $params);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
curl_setopt($c, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($c, CURLOPT_HEADER, $this->_config['debug']);
curl_setopt($c, CURLINFO_HEADER_OUT, true);
curl_setopt($c, CURLOPT_HTTPHEADER, array('Content-Type: application/json', 'X-Accept: application/json'));
curl_setopt($c, CURLOPT_USERAGENT, self::CURL_USERAGENT);
curl_setopt($c, CURLOPT_CONNECTTIMEOUT, self::CURL_CONNECTTIMEOUT);
curl_setopt($c, CURLOPT_TIMEOUT, self::CURL_TIMEOUT);
if ($this->_config['debug'] === true) {
curl_setopt($c, CURLINFO_HEADER_OUT, true);
}
$response = curl_exec($c);
$status = curl_getinfo($c, CURLINFO_HTTP_CODE);
if ($status != 200) {
if (isset(self::$_statusCodes[$status])) {
throw new PocketException('Error: ' . self::$_statusCodes[$status], $status);
}
}
if ($this->_config['debug'] === true) {
$headerSize = curl_getinfo($c, CURLINFO_HEADER_SIZE);
$header = substr($response, 0, $headerSize);
$response = substr($response, $headerSize);
echo "cURL Header:\n";
print_r(curl_getinfo($c, CURLINFO_HEADER_OUT));
echo "\n\nPOST Body:\n";
print_r($params);
echo "\n\nResponse Header:\n";
print_r($header);
echo "\n\nResponse Body:\n";
print_r($response);
}
curl_close($c);
$result = json_decode($response, true);
if (!$result) {
throw new PocketException('Error could not parse response: ' . var_export($response));
}
return $result;
}
}
class PocketException extends Exception {
// TODO
}