function havelock_query($url, array $req = array())
{
// our curl handle (initialize if required)
$ch = crypto_curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; Havelock PHP client; ' . php_uname('s') . '; PHP/' . phpversion() . ')');
curl_setopt($ch, CURLOPT_URL, crypto_wrap_url($url));
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
// run the query
$res = curl_exec($ch);
if ($res === false) {
throw new ExternalAPIException('Could not get reply: ' . curl_error($ch));
}
if ($res === "Access denied") {
throw new ExternalAPIException("API response: Access denied");
}
$temp = json_decode($res, true);
if (is_array($temp) && !$temp) {
throw new ExternalAPIException("Havelock API returned an empty array");
}
$dec = crypto_json_decode($res);
if (isset($dec['message'])) {
throw new ExternalAPIException(htmlspecialchars($dec['message']));
}
return $dec;
}
function xchange796_query($appid, $apikey, $secretkey, $url)
{
// from https://796.com/wiki.html
$timestamp = time();
$params = array('appid' => $appid, 'apikey' => $apikey, 'secretkey' => $secretkey, 'timestamp' => $timestamp);
ksort($params);
// "be careful that the sequence is quite important"
$param_uri = http_build_query($params, '', '&');
$sig = base64_encode(hash_hmac('sha1', $param_uri, $secretkey));
$token_url = url_add("https://796.com/oauth/token", array('appid' => $appid, 'timestamp' => $timestamp, 'apikey' => $apikey, 'secretkey' => $secretkey, 'sig' => $sig));
// our curl handle (initialize if required)
$ch = crypto_curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; 796 PHP client; ' . php_uname('s') . '; PHP/' . phpversion() . ')');
curl_setopt($ch, CURLOPT_URL, crypto_wrap_url($token_url));
// curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
// run the query
$res = curl_exec($ch);
if ($res === false) {
throw new ExternalAPIException('Could not get reply: ' . curl_error($ch));
}
$dec = crypto_json_decode($res, "in authentication");
if (isset($dec['errno']) && $dec['errno']) {
throw new ExternalAPIException("Could not get OAuth Token: " . htmlspecialchars($dec['msg']));
}
if (!isset($dec['data']['access_token'])) {
throw new ExternalAPIException("No access token provided");
}
$token = $dec['data']['access_token'];
crypto_log("Obtained OAuth token");
// now, call the given URL
// 796 has a bug where the token can't be urlencoded again, so we can't use url_add() (though we should)
$destination_url = $url . "?access_token=" . $token;
// our curl handle (initialize if required)
$ch = crypto_curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; 796 PHP client; ' . php_uname('s') . '; PHP/' . phpversion() . ')');
curl_setopt($ch, CURLOPT_URL, crypto_wrap_url($destination_url));
// curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
// run the query
$res = curl_exec($ch);
if ($res === false) {
throw new ExternalAPIException('Could not get reply: ' . curl_error($ch));
}
$dec = crypto_json_decode($res, "in request");
if (isset($dec['errno']) && $dec['errno']) {
throw new ExternalAPIException("Error in reply: " . htmlspecialchars($dec['msg']));
}
if (!isset($dec['data'])) {
throw new ExternalAPIException("No data in reply");
}
return $dec['data'];
}
/**
* Wraps {@link #file_get_contents()} with timeout information etc.
* May throw a {@link ExternalAPIException} if something unexpected occured.
*/
function crypto_get_contents($url, $options = array())
{
\Openclerk\Events::trigger('curl_start', $url);
// normally file_get_contents is OK, but if URLs are down etc, the timeout has no value and we can just stall here forever
// this also means we don't have to enable OpenSSL on windows for file_get_contents('https://...'), which is just a bit of a mess
$ch = crypto_curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; Openclerk PHP client; ' . php_uname('s') . '; PHP/' . phpversion() . ')');
curl_setopt($ch, CURLOPT_URL, $url);
// curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
// curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_ENCODING, "gzip,deflate");
// enable gzip decompression if necessary
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
foreach ($options as $key => $value) {
curl_setopt($ch, $key, $value);
}
// run the query
$res = curl_exec($ch);
\Openclerk\Events::trigger('curl_end', $url);
if ($res === false) {
throw new ExternalAPIException('Could not get reply: ' . curl_error($ch));
}
crypto_check_response($res);
return $res;
}
