This commit is contained in:
azett 2024-03-16 18:53:17 +01:00
parent 15e62f7aa9
commit 13aaa4fbce

View File

@ -33,69 +33,65 @@
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
// Error constants
define("AKISMET_SERVER_NOT_FOUND", 0);
define("AKISMET_RESPONSE_FAILED", 1);
define("AKISMET_INVALID_KEY", 2);
// Base class to assist in error handling between Akismet classes
class AkismetObject {
var $errors = array();
var $errors = array();
/**
* Add a new error to the errors array in the object
*
* @param String $name A name (array key) for the error
* @param String $string The error message
* @param String $name
* A name (array key) for the error
* @param String $string
* The error message
* @return void
*/
// Set an error in the object
function setError($name, $message) {
$this->errors[$name] = $message;
$this->errors [$name] = $message;
}
/**
* Return a specific error message from the errors array
*
* @param String $name The name of the error you want
* @param String $name
* The name of the error you want
* @return mixed Returns a String if the error exists, a false boolean if it does not exist
*/
function getError($name) {
if($this->isError($name)) {
return $this->errors[$name];
if ($this->isError($name)) {
return $this->errors [$name];
} else {
return false;
}
}
/**
* Return all errors in the object
*
* @return String[]
*/
function getErrors() {
return (array)$this->errors;
return (array) $this->errors;
}
/**
* Check if a certain error exists
*
* @param String $name The name of the error you want
* @param String $name
* The name of the error you want
* @return boolean
*/
function isError($name) {
return isset($this->errors[$name]);
return isset($this->errors [$name]);
}
/**
* Check if any errors exist
*
@ -105,23 +101,24 @@ class AkismetObject {
return (count($this->errors) > 0);
}
}
// Used by the Akismet class to communicate with the Akismet service
class AkismetHttpClient extends AkismetObject {
var $akismetVersion = '1.1';
var $con;
var $host;
var $port;
var $apiKey;
var $blogUrl;
var $errors = array();
var $akismetVersion = '1.1';
var $con;
var $host;
var $port;
var $apiKey;
var $blogUrl;
var $errors = array();
// Constructor
function __construct($host, $blogUrl, $apiKey, $port = 80) {
@ -131,31 +128,22 @@ class AkismetHttpClient extends AkismetObject {
$this->apiKey = $apiKey;
}
// Use the connection active in $con to get a response from the server and return that response
function getResponse($request, $path, $type = "post", $responseLength = 1160) {
$this->_connect();
if($this->con && !$this->isError(AKISMET_SERVER_NOT_FOUND)) {
$request =
strToUpper($type)." /{$this->akismetVersion}/$path HTTP/1.0\r\n" .
"Host: ".((!empty($this->apiKey)) ? $this->apiKey."." : null)."{$this->host}\r\n" .
"Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n" .
"Content-Length: ".strlen($request)."\r\n" .
"User-Agent: Akismet PHP4 Class\r\n" .
"\r\n" .
$request
;
if ($this->con && !$this->isError(AKISMET_SERVER_NOT_FOUND)) {
$request = strToUpper($type) . " /{$this->akismetVersion}/$path HTTP/1.0\r\n" . "Host: " . ((!empty($this->apiKey)) ? $this->apiKey . "." : null) . "{$this->host}\r\n" . "Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n" . "Content-Length: " . strlen($request) . "\r\n" . "User-Agent: Akismet PHP4 Class\r\n" . "\r\n" . $request;
$response = "";
@fwrite($this->con, $request);
while(!feof($this->con)) {
while (!feof($this->con)) {
$response .= @fgets($this->con, $responseLength);
}
$response = explode("\r\n\r\n", $response, 2);
return $response[1];
return $response [1];
} else {
$this->setError(AKISMET_RESPONSE_FAILED, "The response could not be retrieved.");
}
@ -163,33 +151,30 @@ class AkismetHttpClient extends AkismetObject {
$this->_disconnect();
}
// Connect to the Akismet server and store that connection in the instance variable $con
function _connect() {
if(!($this->con = @fsockopen($this->host, $this->port))) {
if (!($this->con = @fsockopen($this->host, $this->port))) {
$this->setError(AKISMET_SERVER_NOT_FOUND, "Could not connect to akismet server.");
}
}
// Close the connection to the Akismet server
function _disconnect() {
@fclose($this->con);
}
}
// The controlling class. This is the ONLY class the user should instantiate in
// order to use the Akismet service!
class Akismet extends AkismetObject {
var $apiPort = 80;
var $akismetServer = 'rest.akismet.com';
var $akismetVersion = '1.1';
var $http;
var $ignore = array(
@ -209,18 +194,22 @@ class Akismet extends AkismetObject {
);
var $blogUrl = "";
var $apiKey = "";
var $comment = array();
var $apiKey = "";
var $comment = array();
/**
* Constructor
*
* Set instance variables, connect to Akismet, and check API key
*
* @param String $blogUrl The URL to your own blog
* @param String $apiKey Your wordpress API key
* @param String[] $comment A formatted comment array to be examined by the Akismet service
* @param String $blogUrl
* The URL to your own blog
* @param String $apiKey
* Your wordpress API key
* @param String[] $comment
* A formatted comment array to be examined by the Akismet service
* @return Akismet
*/
function __construct($blogUrl, $apiKey, $comment = array()) {
@ -230,17 +219,16 @@ class Akismet extends AkismetObject {
// Connect to the Akismet server and populate errors if they exist
$this->http = new AkismetHttpClient($this->akismetServer, $blogUrl, $apiKey);
if($this->http->errorsExist()) {
if ($this->http->errorsExist()) {
$this->errors = array_merge($this->errors, $this->http->getErrors());
}
// Check if the API key is valid
if(!$this->_isValidApiKey($apiKey)) {
if (!$this->_isValidApiKey($apiKey)) {
$this->setError(AKISMET_INVALID_KEY, "Your Akismet API key is not valid.");
}
}
/**
* Query the Akismet and determine if the comment is spam or not
*
@ -252,7 +240,6 @@ class Akismet extends AkismetObject {
return ($response == "true");
}
/**
* Submit this comment as an unchecked spam to the Akismet server
*
@ -262,7 +249,6 @@ class Akismet extends AkismetObject {
$this->http->getResponse($this->_getQueryString(), 'submit-spam');
}
/**
* Submit a false-positive comment as "ham" to the Akismet server
*
@ -272,7 +258,6 @@ class Akismet extends AkismetObject {
$this->http->getResponse($this->_getQueryString(), 'submit-ham');
}
/**
* Manually set the comment value of the instantiated object.
*
@ -281,13 +266,12 @@ class Akismet extends AkismetObject {
*/
function setComment($comment) {
$this->comment = $comment;
if(!empty($comment)) {
if (!empty($comment)) {
$this->_formatCommentArray();
$this->_fillCommentValues();
}
}
/**
* Returns the current value of the object's comment array.
*
@ -297,21 +281,20 @@ class Akismet extends AkismetObject {
return $this->comment;
}
/**
* Check with the Akismet server to determine if the API key is valid
*
* @access Protected
* @param String $key The Wordpress API key passed from the constructor argument
* @param String $key
* The Wordpress API key passed from the constructor argument
* @return boolean
*/
function _isValidApiKey($key) {
$keyCheck = $this->http->getResponse("key=".$this->apiKey."&blog=".$this->blogUrl, 'verify-key');
$keyCheck = $this->http->getResponse("key=" . $this->apiKey . "&blog=" . $this->blogUrl, 'verify-key');
return ($keyCheck == "valid");
}
/**
* Format the comment array in accordance to the Akismet API
*
@ -327,36 +310,34 @@ class Akismet extends AkismetObject {
'body' => 'comment_content'
);
foreach($format as $short => $long) {
if(isset($this->comment[$short])) {
$this->comment[$long] = $this->comment[$short];
unset($this->comment[$short]);
foreach ($format as $short => $long) {
if (isset($this->comment [$short])) {
$this->comment [$long] = $this->comment [$short];
unset($this->comment [$short]);
}
}
}
/**
* Fill any values not provided by the developer with available values.
*
* @return void
*/
function _fillCommentValues() {
if(!isset($this->comment['user_ip'])) {
$this->comment['user_ip'] = ($_SERVER['REMOTE_ADDR'] != getenv('SERVER_ADDR')) ? $_SERVER['REMOTE_ADDR'] : getenv('HTTP_X_FORWARDED_FOR');
if (!isset($this->comment ['user_ip'])) {
$this->comment ['user_ip'] = ($_SERVER ['REMOTE_ADDR'] != getenv('SERVER_ADDR')) ? $_SERVER ['REMOTE_ADDR'] : getenv('HTTP_X_FORWARDED_FOR');
}
if(!isset($this->comment['user_agent'])) {
$this->comment['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
if (!isset($this->comment ['user_agent'])) {
$this->comment ['user_agent'] = $_SERVER ['HTTP_USER_AGENT'];
}
if(!isset($this->comment['referrer'])) {
$this->comment['referrer'] = $_SERVER['HTTP_REFERER'];
if (!isset($this->comment ['referrer'])) {
$this->comment ['referrer'] = $_SERVER ['HTTP_REFERER'];
}
if(!isset($this->comment['blog'])) {
$this->comment['blog'] = $this->blogUrl;
if (!isset($this->comment ['blog'])) {
$this->comment ['blog'] = $this->blogUrl;
}
}
/**
* Build a query string for use with HTTP requests
*
@ -364,25 +345,25 @@ class Akismet extends AkismetObject {
* @return String
*/
function _getQueryString() {
foreach($_SERVER as $key => $value) {
if(!in_array($key, $this->ignore)) {
if($key == 'REMOTE_ADDR') {
$this->comment[$key] = $this->comment['user_ip'];
foreach ($_SERVER as $key => $value) {
if (!in_array($key, $this->ignore)) {
if ($key == 'REMOTE_ADDR') {
$this->comment [$key] = $this->comment ['user_ip'];
} else {
$this->comment[$key] = $value;
$this->comment [$key] = $value;
}
}
}
$query_string = '';
foreach($this->comment as $key => $data) {
foreach ($this->comment as $key => $data) {
$data = isset($data) ? $data : ''; // make sure $data is a string
$query_string .= $key . '=' . urlencode(stripslashes($data)) . '&';
}
return $query_string;
}
}
?>