mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-12-15 00:51:18 +01:00
487 lines
13 KiB
PHP
487 lines
13 KiB
PHP
<?php
|
|
/*
|
|
* Are You A Human
|
|
* PHP Integration Library
|
|
*
|
|
* @version 1.1.8
|
|
*
|
|
* - Documentation and latest version
|
|
* http://portal.areyouahuman.com/help
|
|
* - Get an AYAH Publisher Key
|
|
* https://portal.areyouahuman.com
|
|
* - Discussion group
|
|
* http://getsatisfaction.com/areyouahuman
|
|
*
|
|
* Copyright (c) 2013 AYAH LLC -- http://www.areyouahuman.com
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
// Only define the AYAH class if it does not already exist.
|
|
if ( ! class_exists('AYAH')):
|
|
|
|
class AYAH {
|
|
// Set defaults for values that can be specified via the config file or passed in via __construct.
|
|
protected $ayah_publisher_key = '';
|
|
protected $ayah_scoring_key = '';
|
|
protected $ayah_web_service_host = 'ws.areyouahuman.com';
|
|
protected $ayah_debug_mode = FALSE;
|
|
protected $ayah_use_curl = TRUE;
|
|
|
|
protected $session_secret;
|
|
|
|
protected $__valid_construct_params = array('publisher_key', 'scoring_key', 'web_service_host', 'debug_mode', 'use_curl');
|
|
protected $__message_buffer = array();
|
|
protected $__version_number = '1.1.7';
|
|
|
|
/**
|
|
* Constructor
|
|
* If the session secret exists in input, it grabs it
|
|
* @param $params associative array with keys publisher_key, scoring_key, web_service_host
|
|
*
|
|
*/
|
|
public function __construct($params = array())
|
|
{
|
|
// Try to load the ayah_config.php file.
|
|
if ( ! $this->__load_config_file())
|
|
{
|
|
$this->__log("DEBUG", __FUNCTION__, "The ayah_config.php file is missing.");
|
|
}
|
|
|
|
// Get and use any valid parameters that were passed in via the $params array.
|
|
foreach ((array)$this->__valid_construct_params as $partial_variable_name)
|
|
{
|
|
// Build the full variable name...and create an upper case version.
|
|
$variable_name = "ayah_" . $partial_variable_name;
|
|
$uc_variable_name = strtoupper($variable_name);
|
|
|
|
// Check to see if it was passed in via $params.
|
|
if (isset($params[$partial_variable_name]))
|
|
{
|
|
$this->{$variable_name} = $params[$partial_variable_name];
|
|
}
|
|
// Check to see if it was defined in the ayah_config file.
|
|
elseif (defined($uc_variable_name))
|
|
{
|
|
$this->{$variable_name} = constant($uc_variable_name);
|
|
}
|
|
}
|
|
|
|
// Generate some warnings/errors if needed variables are not set.
|
|
if ($this->ayah_publisher_key == "")
|
|
{
|
|
$this->__log("ERROR", __FUNCTION__, "Warning: Publisher key is not defined. This won't work.");
|
|
}
|
|
else
|
|
{
|
|
$this->__log("DEBUG", __FUNCTION__, "Publisher key: '$this->ayah_publisher_key'");
|
|
}
|
|
if ($this->ayah_scoring_key == "")
|
|
{
|
|
$this->__log("ERROR", __FUNCTION__, "Warning: Scoring key is not defined. This won't work.");
|
|
}
|
|
else
|
|
{
|
|
// For security reasons, don't output the scoring key as part of the debug info.
|
|
}
|
|
if ($this->ayah_web_service_host == "")
|
|
{
|
|
$this->__log("ERROR", __FUNCTION__, "Warning: Web service host is not defined. This won't work.");
|
|
}
|
|
else
|
|
{
|
|
$this->__log("DEBUG", __FUNCTION__, "AYAH Webservice host: '$this->ayah_web_service_host'");
|
|
}
|
|
|
|
// If available, set the session secret.
|
|
if(array_key_exists("session_secret", $_REQUEST)) {
|
|
$this->session_secret = $_REQUEST["session_secret"];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the markup for the PlayThru
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getPublisherHTML($config = array())
|
|
{
|
|
// Initialize.
|
|
$session_secret = "";
|
|
$fields = array('config' => $config);
|
|
$webservice_url = '/ws/setruntimeoptions/' . $this->ayah_publisher_key;
|
|
|
|
// If necessary, process the config data.
|
|
if ( ! empty($config))
|
|
{
|
|
// Log it.
|
|
$this->__log("DEBUG", __FUNCTION__, "Setting runtime options...config data='".implode(",", $config)."'");
|
|
|
|
// Add the gameid to the options url.
|
|
if (array_key_exists("gameid", $config))
|
|
{
|
|
$webservice_url .= '/' . $config['gameid'];
|
|
}
|
|
}
|
|
|
|
// Call the webservice and get the response.
|
|
$resp = $this->doHttpsPostReturnJSONArray($this->ayah_web_service_host, $webservice_url, $fields);
|
|
if ($resp)
|
|
{
|
|
// Get the session secret from the response.
|
|
$session_secret = $resp->session_secret;
|
|
|
|
// Build the url to the AYAH webservice.
|
|
$url = 'https://'; // The AYAH webservice API requires https.
|
|
$url.= $this->ayah_web_service_host; // Add the host.
|
|
$url.= "/ws/script/"; // Add the path to the API script.
|
|
$url.= urlencode($this->ayah_publisher_key); // Add the encoded publisher key.
|
|
$url.= (empty($session_secret))? "" : "/".$session_secret; // If set, add the session_secret.
|
|
|
|
// Build and return the needed HTML code.
|
|
return "<div id='AYAH'></div><script src='". $url ."' type='text/javascript' language='JavaScript'></script>";
|
|
}
|
|
else
|
|
{
|
|
// Build and log a detailed message.
|
|
$url = "https://".$this->ayah_web_service_host.$webservice_url;
|
|
$message = "Unable to connect to the AYAH webservice server. url='$url'";
|
|
$this->__log("ERROR", __FUNCTION__, $message);
|
|
|
|
// Build and display a helpful message to the site user.
|
|
$style = "padding: 10px; border: 1px solid #EED3D7; background: #F2DEDE; color: #B94A48;";
|
|
$message = "Unable to load the <i>Are You a Human</i> PlayThru™. Please contact the site owner to report the problem.";
|
|
echo "<p style=\"$style\">$message</p>\n";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check whether the user is a human
|
|
* Wrapper for the scoreGame API call
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function scoreResult() {
|
|
$result = false;
|
|
if ($this->session_secret) {
|
|
$fields = array(
|
|
'session_secret' => urlencode($this->session_secret),
|
|
'scoring_key' => $this->ayah_scoring_key
|
|
);
|
|
$resp = $this->doHttpsPostReturnJSONArray($this->ayah_web_service_host, "/ws/scoreGame", $fields);
|
|
if ($resp) {
|
|
$result = ($resp->status_code == 1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->__log("DEBUG", __FUNCTION__, "Unable to score the result. Please check that your ayah_config.php file contains your correct publisher key and scoring key.");
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Records a conversion
|
|
* Called on the goal page that A and B redirect to
|
|
* A/B Testing Specific Function
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function recordConversion() {
|
|
// Build the url to the AYAH webservice..
|
|
$url = 'https://'; // The AYAH webservice API requires https.
|
|
$url.= $this->ayah_web_service_host; // Add the host.
|
|
$url.= "/ws/recordConversion/"; // Add the path to the API script.
|
|
$url.= urlencode($this->ayah_publisher_key); // Add the encoded publisher key.
|
|
|
|
if( isset( $this->session_secret ) ){
|
|
return '<iframe style="border: none;" height="0" width="0" src="' . $url . '"></iframe>';
|
|
} else {
|
|
$this->__log("ERROR", __FUNCTION__, 'AYAH Conversion Error: No Session Secret');
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Do a HTTPS POST, return some JSON decoded as array (Internal function)
|
|
* @param $host hostname
|
|
* @param $path path
|
|
* @param $fields associative array of fields
|
|
* return JSON decoded data structure or empty data structure
|
|
*/
|
|
protected function doHttpsPostReturnJSONArray($hostname, $path, $fields) {
|
|
$result = $this->doHttpsPost($hostname, $path, $fields);
|
|
|
|
if ($result) {
|
|
$result = $this->doJSONArrayDecode($result);
|
|
} else {
|
|
$this->__log("ERROR", __FUNCTION__, "Post to https://$hostname$path returned no result.");
|
|
$result = array();
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
// Internal function; does an HTTPS post
|
|
protected function doHttpsPost($hostname, $path, $fields) {
|
|
$result = "";
|
|
// URLencode the post string
|
|
$fields_string = "";
|
|
foreach($fields as $key=>$value) {
|
|
if (is_array($value)) {
|
|
if ( ! empty($value)) {
|
|
foreach ($value as $k => $v) {
|
|
$fields_string .= $key . '['. $k .']=' . $v . '&';
|
|
}
|
|
} else {
|
|
$fields_string .= $key . '=&';
|
|
}
|
|
} else {
|
|
$fields_string .= $key.'='.$value.'&';
|
|
}
|
|
}
|
|
rtrim($fields_string,'&');
|
|
|
|
// Use cURL?
|
|
if ($this->__use_curl())
|
|
{
|
|
// Build the cURL url.
|
|
$curl_url = "https://" . $hostname . $path;
|
|
|
|
$fp = fopen('curlurl', 'w+');
|
|
fwrite($fp, $curl_url);fclose($fp);
|
|
|
|
|
|
// Log it.
|
|
$this->__log("DEBUG", __FUNCTION__, "Using cURl: url='$curl_url', fields='$fields_string'");
|
|
|
|
// Initialize cURL session.
|
|
if ($ch = curl_init($curl_url))
|
|
{
|
|
// Set the cURL options.
|
|
curl_setopt($ch, CURLOPT_POST, count($fields));
|
|
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
|
|
|
|
// Execute the cURL request.
|
|
$result = curl_exec($ch);
|
|
|
|
// Close the curl session.
|
|
curl_close($ch);
|
|
}
|
|
else
|
|
{
|
|
// Log it.
|
|
$this->__log("DEBUG", __FUNCTION__, "Unable to initialize cURL: url='$curl_url'");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Log it.
|
|
$this->__log("DEBUG", __FUNCTION__, "Using fsockopen(): fields='$fields_string'");
|
|
|
|
// Build a header
|
|
$http_request = "POST $path HTTP/1.1\r\n";
|
|
$http_request .= "Host: $hostname\r\n";
|
|
$http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n";
|
|
$http_request .= "Content-Length: " . strlen($fields_string) . "\r\n";
|
|
$http_request .= "User-Agent: AreYouAHuman/PHP " . $this->get_version_number() . "\r\n";
|
|
$http_request .= "Connection: Close\r\n";
|
|
$http_request .= "\r\n";
|
|
$http_request .= $fields_string ."\r\n";
|
|
|
|
$result = '';
|
|
$errno = $errstr = "";
|
|
$fs = fsockopen("ssl://" . $hostname, 443, $errno, $errstr, 10);
|
|
if( false == $fs ) {
|
|
$this->__log("ERROR", __FUNCTION__, "Could not open socket");
|
|
} else {
|
|
fwrite($fs, $http_request);
|
|
while (!feof($fs)) {
|
|
$result .= fgets($fs, 4096);
|
|
}
|
|
|
|
$result = explode("\r\n\r\n", $result, 2);
|
|
$result = $result[1];
|
|
}
|
|
}
|
|
|
|
// Log the result.
|
|
$this->__log("DEBUG", __FUNCTION__, "result='$result'");
|
|
|
|
// Return the result.
|
|
return $result;
|
|
}
|
|
|
|
// Internal function: does a JSON decode of the string
|
|
protected function doJSONArrayDecode($string) {
|
|
$result = array();
|
|
|
|
if (function_exists("json_decode")) {
|
|
try {
|
|
$result = json_decode( $string);
|
|
} catch (Exception $e) {
|
|
$this->__log("ERROR", __FUNCTION__, "Exception when calling json_decode: " . $e->getMessage());
|
|
$result = null;
|
|
}
|
|
} elseif (file_Exists("json.php")) {
|
|
require_once('json.php');
|
|
$json = new Services_JSON();
|
|
$result = $json->decode($string);
|
|
|
|
if (!is_array($result)) {
|
|
$this->__log("ERROR", __FUNCTION__, "Expected array; got something else: $result");
|
|
$result = array();
|
|
}
|
|
} else {
|
|
$this->__log("ERROR", __FUNCTION__, "No JSON decode function available.");
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Get the current debug mode (TRUE or FALSE)
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function debug_mode($mode=null)
|
|
{
|
|
// Set it if the mode is passed.
|
|
if (null !== $mode)
|
|
{
|
|
// Save it.
|
|
$this->ayah_debug_mode = $mode;
|
|
|
|
// Display a message if debug_mode is TRUE.
|
|
if ($mode)
|
|
{
|
|
$version_number = $this->get_version_number();
|
|
$this->__log("DEBUG", "", "Debug mode is now on. (ayah.php version=$version_number)");
|
|
|
|
// Flush the buffer.
|
|
$this->__flush_message_buffer();
|
|
}
|
|
}
|
|
|
|
// If necessary, set the default.
|
|
if ( ! isset($this->ayah_debug_mode) or (null == $this->ayah_debug_mode)) $this->ayah_debug_mode = FALSE;
|
|
|
|
// Return TRUE or FALSE.
|
|
return ($this->ayah_debug_mode)? TRUE : FALSE;
|
|
}
|
|
|
|
/**
|
|
* Get the current version number
|
|
*
|
|
* @return string
|
|
*/
|
|
public function get_version_number()
|
|
{
|
|
return (isset($this->__version_number))? $this->__version_number : FALSE;
|
|
}
|
|
|
|
/**
|
|
* Determine whether or not cURL is available to use.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
private function __use_curl()
|
|
{
|
|
if (FALSE === $this->ayah_use_curl)
|
|
{
|
|
return FALSE;
|
|
}
|
|
elseif (function_exists('curl_init') and function_exists('curl_exec'))
|
|
{
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Load the config file.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
private function __load_config_file()
|
|
{
|
|
// Initialize.
|
|
$name = 'ayah_config.php';
|
|
$locations = array(
|
|
'./',
|
|
dirname(__FILE__)."/",
|
|
);
|
|
|
|
// Look for the config file in each location.
|
|
foreach ($locations as $location)
|
|
{
|
|
if (file_exists($location.$name))
|
|
{
|
|
require_once($location.$name);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
// Could not find the config file.
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Log a message
|
|
*
|
|
* @return null
|
|
*/
|
|
protected function __log($type, $function, $message)
|
|
{
|
|
// Add a prefix to the message.
|
|
$message = __CLASS__ . "::$function: " . $message;
|
|
|
|
// Is it an error message?
|
|
if (FALSE !== stripos($type, "error"))
|
|
{
|
|
error_log($message);
|
|
}
|
|
|
|
// Build the full message.
|
|
$message_style = "padding: 10px; border: 1px solid #EED3D7; background: #F2DEDE; color: #B94A48;";
|
|
$full_message = "<p style=\"$message_style\"><strong>$type:</strong> $message</p>\n";
|
|
|
|
// Output to the screen too?
|
|
if ($this->debug_mode())
|
|
{
|
|
echo "$full_message";
|
|
}
|
|
else
|
|
{
|
|
// Add the message to the buffer in case we need it later.
|
|
$this->__message_buffer[] = $full_message;
|
|
}
|
|
}
|
|
|
|
private function __flush_message_buffer()
|
|
{
|
|
// Flush the buffer.
|
|
if ( ! empty($this->__message_buffer))
|
|
{
|
|
foreach ($this->__message_buffer as $buffered_message)
|
|
{
|
|
// Print the buffered message.
|
|
echo "$buffered_message";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
endif; // if ( ! class_exists('AYAH')):
|