/
PixnetLib.php
255 lines (216 loc) · 8.03 KB
/
PixnetLib.php
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<?
if (!defined('PIXNET_LIB_INCLUDED')) {
define('PIXNET_LIB_INCLUDED', true);
class PixnetLib {
const PIXNET_ACCESS_TOKEN_KEY = 'pixnet_access_token';
const PIXNET_REFRESH_TOKEN_KEY = 'pixnet_refresh_token';
const PIXNET_LAST_REFRESHED_AT_KEY = 'pixnet_last_refreshed_at';
const PIXNET_USERNAME_KEY = 'pixnet_username';
const PIXNET_WEBSITE_KEY = 'pixnet_website';
const PIXNET_REDIRECT_TO_KEY = 'pixnet_redirect_to';
const PIXNET_API_ROOT = 'https://emma.pixnet.cc';
const TOKEN_TIMEOUT_LIMIT = 3000; // Service setting is 3600, we refresh it early
static private $_CLIENT_MAPPINGS = array(
array(
'WEBSITE_URL' => 'YOUR WEBSITE ROOT',
'CONSUMER_KEY' => 'YOUR CONSUMER KEY',
'CONSUMER_SECRET' => 'YOUR CONSUMER SECRET',
'CALLBACK_URL' => 'YOUR CALLBACK URL'
)
);
//public method
static public function isSignin() {
$client = self::_get_client();
if ($_SESSION[self::PIXNET_WEBSITE_KEY] && $_SESSION[self::PIXNET_WEBSITE_KEY] != $client['WEBSITE_URL']) {
return FALSE;
}
return $_SESSION[self::PIXNET_ACCESS_TOKEN_KEY];
}
static public function signOut() {
$_SESSION[self::PIXNET_ACCESS_TOKEN_KEY] = '';
$_SESSION[self::PIXNET_REFRESH_TOKEN_KEY] = '';
$_SESSION[self::PIXNET_LAST_REFRESHED_AT_KEY] = '';
$_SESSION[self::PIXNET_USERNAME_KEY] = '';
$_SESSION[self::PIXNET_WEBSITE_KEY] = '';
}
static public function getAuthorizeUrl($redirect_uri = '') {
$client = self::_get_client();
$_SESSION[self::PIXNET_REDIRECT_TO] = $redirect_uri;
$query_string = http_build_query(array(
'redirect_uri' => $client['CALLBACK_URL'],
'client_id' => $client['CONSUMER_KEY'],
'response_type' => 'code'
));
return self::PIXNET_API_ROOT . "/oauth2/authorize?{$query_string}";
}
static public function getAccessToken($code) {
$client = self::_get_client();
$response = self::_call_api('/oauth2/grant', array(
'grant_type' => 'authorization_code',
'code' => $code,
'redirect_uri' => $client['CALLBACK_URL'],
'client_id' => $client['CONSUMER_KEY'],
'client_secret' => $client['CONSUMER_SECRET']
));
$result = json_decode($response);
self::_update_token($result, 'get access token by code', $client['WEBSITE_URL']);
}
static public function callApi($url, $datas) {
if (!self::isSignin()) {
throw new Exception('not signin pixnet yet.');
}
if (self::_is_token_timeout()) {
self::_refresh_token();
}
$datas['access_token'] = $_SESSION[self::PIXNET_ACCESS_TOKEN_KEY];
$datas['format'] = 'json';
if ($_SESSION[self::PIXNET_USERNAME_KEY]) {
$datas['user'] = $_SESSION[self::PIXNET_USERNAME_KEY];
}
$response = self::_call_api($url, $datas);
$decoded_response = json_decode($response);
self::_pixnet_error_handler($decoded_response);
return $decoded_response;
}
// ---------------------------------------------------------------
static public function getUsername() {
if (!$_SESSION[self::PIXNET_USERNAME_KEY]) {
self::_update_username();
}
return $_SESSION[self::PIXNET_USERNAME_KEY];
}
// /blog
static public function getBlog() {
return self::callApi('/blog');
}
// /blog/articles
static public function getBlogArticles($page = 1, $per_page = 100) {
return self::callApi('/blog/articles', array(
'page' => $page,
'per_page' => $per_page,
'trim_user' => 1
));
}
// /blog/article/:id
static public function getBlogArticle($id) {
return self::callApi('/blog/articles/' . $id);
}
// /albu/sets/
static public function getAlbumSets($page = 1, $per_page = 100) {
return self::callApi('/album/sets/', array(
'page' => $page,
'per_page' => $per_page,
'trim_user' => 1
));
}
// /album/sets/:id/elements
static public function getAlbumSetElements($set_id, $page = 1, $per_page = 100) {
return self::callApi("/album/sets/{$set_id}/elements", array(
'type' => 'pic',
'with_detail' => 1,
'page' => $page,
'per_page' => $per_page,
'trim_user' => 1
));
}
// ---------------------------------------------------------------
//private method
private function _refresh_token() {
$client = self::_get_client();
$response = self::_call_api('/oauth2/grant', array(
'grant_type' => 'refresh_token',
'refresh_token' => $_SESSION[self::PIXNET_REFRESH_TOKEN_KEY],
'client_id' => $client['CONSUMER_KEY'],
'client_secret' => $client['CONSUMER_SECRET']
));
$result = json_decode($response);
self::_update_token($result, 'refresh token', $client['WEBSITE_URL']);
}
private function _update_token($result, $update_type = '', $website_url = '') {
self::_pixnet_error_handler($result);
if ($result->access_token) {
$_SESSION[self::PIXNET_ACCESS_TOKEN_KEY] = $result->access_token;
if ($result->refresh_token) {
$_SESSION[self::PIXNET_REFRESH_TOKEN_KEY] = $result->refresh_token;
}
$_SESSION[self::PIXNET_LAST_REFRESHED_AT_KEY] = time();
if ($website_url) {
$_SESSION[self::PIXNET_WEBSITE_KEY] = $website_url;
}
self::_update_username();
return TRUE;
} else {
self::_pixnet_error_handler($result);
throw new Exception("[PIXNET] {$update_type} fail, unknown error.");
return FALSE;
}
}
private function _is_token_timeout() {
if (!$_SESSION[self::PIXNET_LAST_REFRESHED_AT_KEY]) {
return TRUE;
}
$now = time();
if (($now - self::TOKEN_TIMEOUT_LIMIT) > $_SESSION[self::PIXNET_LAST_REFRESHED_AT_KEY]) {
return TRUE;
}
return FALSE;
}
private function _update_username() {
if (!self::isSignin()) {
return;
}
$result = self::callApi('/account');
if ($result->account->name) {
$_SESSION[self::PIXNET_USERNAME_KEY] = $result->account->name;
}
}
private function _pixnet_error_handler($result) {
if ($result->error) {
$error = $result->error;
$error_description = $result->error_description;
if (!$error_description) {
//try message
$error_description = $result->message;
}
$error_msg = "[PIXNET] error: {$error}, error_description: {$error_description}";
throw new Exception($error_msg);
}
}
private function _call_api($url, $datas, $method = 'GET') {
//set curl parameters.
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, self::PIXNET_API_ROOT. $url);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
//turn off the server and peer verification (TrustManager Concept)
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
if ($datas) {
if ($method == 'GET') {
curl_setopt($ch, CURLOPT_URL, self::PIXNET_API_ROOT . "{$url}?" . http_build_query($datas));
} else if ($method == 'POST') {
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $datas);
}
}
$http_response = curl_exec($ch);
curl_close($ch);
return $http_response;
}
private function _get_client() {
if(isset($HTTP_SERVER_VARS[HTTPS])){
$_FULL_URL = 'https://' . $_SERVER[HTTP_HOST];
} else {
$_FULL_URL = 'http://' . $_SERVER[HTTP_HOST];
}
foreach (self::$_CLIENT_MAPPINGS as $client) {
if ($_FULL_URL == $client['WEBSITE_URL']) {
return $client;
}
}
//can't match any client data, will try to use the first client
return self::$_CLIENT_MAPPINGS[0];
}
}//end class
}//end defined
?>