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- <?php
- if (!defined('STATUSNET')) {
- exit(1);
- }
- define('MOLLOMPLUGIN_VERSION', '0.1');
- define('MOLLOM_API_VERSION', '1.0');
- define('MOLLOM_ANALYSIS_UNKNOWN' , 0);
- define('MOLLOM_ANALYSIS_HAM' , 1);
- define('MOLLOM_ANALYSIS_SPAM' , 2);
- define('MOLLOM_ANALYSIS_UNSURE' , 3);
- define('MOLLOM_MODE_DISABLED', 0);
- define('MOLLOM_MODE_CAPTCHA' , 1);
- define('MOLLOM_MODE_ANALYSIS', 2);
- define('MOLLOM_FALLBACK_BLOCK' , 0);
- define('MOLLOM_FALLBACK_ACCEPT', 1);
- define('MOLLOM_ERROR' , 1000);
- define('MOLLOM_REFRESH' , 1100);
- define('MOLLOM_REDIRECT', 1200);
- class MollomPlugin extends Plugin
- {
- public $public_key;
- public $private_key;
- public $servers;
- function onStartNoticeSave($notice)
- {
- if ( $this->public_key ) {
-
- $data = array(
- 'post_body' => $notice->content,
- 'author_name' => $profile->nickname,
- 'author_url' => $profile->homepage,
- 'author_id' => $profile->id,
- 'author_ip' => $this->getClientIp(),
- );
- $response = $this->mollom('mollom.checkContent', $data);
- if ($response['spam'] == MOLLOM_ANALYSIS_SPAM) {
-
- throw new ClientException(_m('Spam Detected.'), 400);
- }
- if ($response['spam'] == MOLLOM_ANALYSIS_UNSURE) {
-
- }
- if($response['spam'] == MOLLOM_ANALYSIS_HAM) {
-
- }
- }
- return true;
- }
- function getClientIP() {
- if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
-
- foreach (array('HTTP_X_FORWARDED_FOR', 'CLIENT-IP', 'REMOTE_ADDR') as $k) {
- if (isset($_SERVER[$k])) {
- return $_SERVER[$k];
- }
- }
- }
- return '127.0.0.1';
- }
-
- function mollom($method, $data = array()) {
- if (!extension_loaded('xmlrpc')) {
- if (!dl('xmlrpc.so')) {
- common_log(LOG_ERR, "Can't pingback; xmlrpc extension not available.");
- }
- }
-
- $public_key = $this->public_key;
-
- $servers = $this->servers;
- if ($servers == NULL) {
-
- $servers = $this->xmlrpc('http://xmlrpc.mollom.com/'. MOLLOM_API_VERSION, 'mollom.getServerList', $this->authentication());
-
-
- }
- if (is_array($servers)) {
-
- foreach ($servers as $server) {
- $auth = $this->authentication();
- $data = array_merge($data, $auth);
- $result = $this->xmlrpc($server .'/'. MOLLOM_API_VERSION, $method, $data);
-
- if (isset($data['session_id'])) {
- common_debug("called $method at server $server with session ID '". $data['session_id'] ."'");
- }
- else {
- common_debug("called $method at server $server with no session ID");
- }
- if ($errno = $this->xmlrpc_errno()) {
- common_log(LOG_ERR, sprintf('Error @errno: %s - %s - %s - <pre>%s</pre>', $this->xmlrpc_errno(), $server, $this->xmlrpc_error_msg(), $method, print_r($data, TRUE)));
- if ($errno == MOLLOM_REFRESH) {
-
- $servers = $this->xmlrpc('http://xmlrpc.mollom.com/'. MOLLOM_API_VERSION, 'mollom.getServerList', $this->authentication());
-
-
- }
- else if ($errno == MOLLOM_ERROR) {
- return $result;
- }
- else if ($errno == MOLLOM_REDIRECT) {
-
- }
-
- $this->xmlrpc_error(0);
- }
- else {
- common_debug("Result = " . print_r($result, TRUE));
- return $result;
- }
- }
- }
-
- common_debug("none of the servers worked");
-
-
-
- }
-
- private function authentication() {
- $public_key = $this->public_key;
- $private_key = $this->private_key;
-
- $time = gmdate("Y-m-d\TH:i:s.\\0\\0\\0O", time());
-
- $hash = base64_encode(
- pack("H*", sha1((str_pad($private_key, 64, chr(0x00)) ^ (str_repeat(chr(0x5c), 64))) .
- pack("H*", sha1((str_pad($private_key, 64, chr(0x00)) ^ (str_repeat(chr(0x36), 64))) .
- $time))))
- );
-
-
- $data['public_key'] = $public_key;
- $data['time'] = $time;
- $data['hash'] = $hash;
- return $data;
- }
- function xmlrpc($url) {
-
- $args = func_get_args();
- return call_user_func_array(array('MollomPlugin', '_xmlrpc'), $args);
- }
-
- function xmlrpc_value($data, $type = FALSE) {
- $xmlrpc_value = new stdClass();
- $xmlrpc_value->data = $data;
- if (!$type) {
- $type = $this->xmlrpc_value_calculate_type($xmlrpc_value);
- }
- $xmlrpc_value->type = $type;
- if ($type == 'struct') {
-
- foreach ($xmlrpc_value->data as $key => $value) {
- $xmlrpc_value->data[$key] = $this->xmlrpc_value($value);
- }
- }
- if ($type == 'array') {
- for ($i = 0, $j = count($xmlrpc_value->data); $i < $j; $i++) {
- $xmlrpc_value->data[$i] = $this->xmlrpc_value($xmlrpc_value->data[$i]);
- }
- }
- return $xmlrpc_value;
- }
-
- function xmlrpc_value_calculate_type(&$xmlrpc_value) {
-
- if (is_bool($xmlrpc_value->data)) {
- return 'boolean';
- }
- if (is_double($xmlrpc_value->data)) {
- return 'double';
- }
- if (is_int($xmlrpc_value->data)) {
- return 'int';
- }
- if (is_array($xmlrpc_value->data)) {
-
- return empty($xmlrpc_value->data) || range(0, count($xmlrpc_value->data) - 1) === array_keys($xmlrpc_value->data) ? 'array' : 'struct';
- }
- if (is_object($xmlrpc_value->data)) {
- if ($xmlrpc_value->data->is_date) {
- return 'date';
- }
- if ($xmlrpc_value->data->is_base64) {
- return 'base64';
- }
- $xmlrpc_value->data = get_object_vars($xmlrpc_value->data);
- return 'struct';
- }
-
- return 'string';
- }
-
- function xmlrpc_value_get_xml($xmlrpc_value) {
- switch ($xmlrpc_value->type) {
- case 'boolean':
- return '<boolean>'. (($xmlrpc_value->data) ? '1' : '0') .'</boolean>';
- break;
- case 'int':
- return '<int>'. $xmlrpc_value->data .'</int>';
- break;
- case 'double':
- return '<double>'. $xmlrpc_value->data .'</double>';
- break;
- case 'string':
-
-
- return '<string>'. htmlspecialchars($xmlrpc_value->data) .'</string>';
- break;
- case 'array':
- $return = '<array><data>'."\n";
- foreach ($xmlrpc_value->data as $item) {
- $return .= ' <value>'. $this->xmlrpc_value_get_xml($item) ."</value>\n";
- }
- $return .= '</data></array>';
- return $return;
- break;
- case 'struct':
- $return = '<struct>'."\n";
- foreach ($xmlrpc_value->data as $name => $value) {
- $return .= " <member><name>". htmlentities($name) ."</name><value>";
- $return .= $this->xmlrpc_value_get_xml($value) ."</value></member>\n";
- }
- $return .= '</struct>';
- return $return;
- break;
- case 'date':
- return $this->xmlrpc_date_get_xml($xmlrpc_value->data);
- break;
- case 'base64':
- return $this->xmlrpc_base64_get_xml($xmlrpc_value->data);
- break;
- }
- return FALSE;
- }
-
- function http_request($url, $headers = array(), $method = 'GET', $data = NULL, $retry = 3) {
- global $db_prefix;
- $result = new stdClass();
-
- $uri = parse_url($url);
- if ($uri == FALSE) {
- $result->error = 'unable to parse URL';
- return $result;
- }
- if (!isset($uri['scheme'])) {
- $result->error = 'missing schema';
- return $result;
- }
- switch ($uri['scheme']) {
- case 'http':
- $port = isset($uri['port']) ? $uri['port'] : 80;
- $host = $uri['host'] . ($port != 80 ? ':'. $port : '');
- $fp = @fsockopen($uri['host'], $port, $errno, $errstr, 15);
- break;
- case 'https':
-
- $port = isset($uri['port']) ? $uri['port'] : 443;
- $host = $uri['host'] . ($port != 443 ? ':'. $port : '');
- $fp = @fsockopen('ssl://'. $uri['host'], $port, $errno, $errstr, 20);
- break;
- default:
- $result->error = 'invalid schema '. $uri['scheme'];
- return $result;
- }
-
- if (!$fp) {
-
-
- $result->code = -$errno;
- $result->error = trim($errstr);
-
-
-
-
-
- return $result;
- }
-
- $path = isset($uri['path']) ? $uri['path'] : '/';
- if (isset($uri['query'])) {
- $path .= '?'. $uri['query'];
- }
-
- $defaults = array(
-
-
-
- 'Host' => "Host: $host",
- 'User-Agent' => 'User-Agent: Drupal (+http://drupal.org/)',
- 'Content-Length' => 'Content-Length: '. strlen($data)
- );
-
- if (isset($uri['user'])) {
- $defaults['Authorization'] = 'Authorization: Basic '. base64_encode($uri['user'] . (!empty($uri['pass']) ? ":". $uri['pass'] : ''));
- }
-
-
-
-
-
-
- if (is_string($db_prefix) && preg_match("/^simpletest\d+$/", $db_prefix, $matches)) {
- $defaults['User-Agent'] = 'User-Agent: ' . $matches[0];
- }
- foreach ($headers as $header => $value) {
- $defaults[$header] = $header .': '. $value;
- }
- $request = $method .' '. $path ." HTTP/1.0\r\n";
- $request .= implode("\r\n", $defaults);
- $request .= "\r\n\r\n";
- $request .= $data;
- $result->request = $request;
- fwrite($fp, $request);
-
- $response = '';
- while (!feof($fp) && $chunk = fread($fp, 1024)) {
- $response .= $chunk;
- }
- fclose($fp);
-
- list($split, $result->data) = explode("\r\n\r\n", $response, 2);
- $split = preg_split("/\r\n|\n|\r/", $split);
- list($protocol, $code, $text) = explode(' ', trim(array_shift($split)), 3);
- $result->headers = array();
-
- while ($line = trim(array_shift($split))) {
- list($header, $value) = explode(':', $line, 2);
- if (isset($result->headers[$header]) && $header == 'Set-Cookie') {
-
-
- $result->headers[$header] .= ','. trim($value);
- }
- else {
- $result->headers[$header] = trim($value);
- }
- }
- $responses = array(
- 100 => 'Continue', 101 => 'Switching Protocols',
- 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content',
- 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 307 => 'Temporary Redirect',
- 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 416 => 'Requested range not satisfiable', 417 => 'Expectation Failed',
- 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported'
- );
-
-
- if (!isset($responses[$code])) {
- $code = floor($code / 100) * 100;
- }
- switch ($code) {
- case 200:
- case 304:
- break;
- case 301:
- case 302:
- case 307:
- $location = $result->headers['Location'];
- if ($retry) {
- $result = drupal_http_request($result->headers['Location'], $headers, $method, $data, --$retry);
- $result->redirect_code = $result->code;
- }
- $result->redirect_url = $location;
- break;
- default:
- $result->error = $text;
- }
- $result->code = $code;
- return $result;
- }
-
- function xmlrpc_message($message) {
- $xmlrpc_message = new stdClass();
- $xmlrpc_message->array_structs = array();
- $xmlrpc_message->array_structs_types = array();
- $xmlrpc_message->current_struct_name = array();
- $xmlrpc_message->message = $message;
- return $xmlrpc_message;
- }
-
- function xmlrpc_message_parse(&$xmlrpc_message) {
-
- $xmlrpc_message->message = preg_replace('/<\?xml(.*)?\?'.'>/', '', $xmlrpc_message->message);
- if (trim($xmlrpc_message->message) == '') {
- return FALSE;
- }
- $xmlrpc_message->_parser = xml_parser_create();
-
- xml_parser_set_option($xmlrpc_message->_parser, XML_OPTION_CASE_FOLDING, FALSE);
-
- xml_set_element_handler($xmlrpc_message->_parser, array('MollomPlugin', 'xmlrpc_message_tag_open'), array('MollomPlugin', 'xmlrpc_message_tag_close'));
- xml_set_character_data_handler($xmlrpc_message->_parser, array('MollomPlugin', 'xmlrpc_message_cdata'));
- $this->xmlrpc_message_set($xmlrpc_message);
- if (!xml_parse($xmlrpc_message->_parser, $xmlrpc_message->message)) {
- return FALSE;
- }
- xml_parser_free($xmlrpc_message->_parser);
-
- $xmlrpc_message = $this->xmlrpc_message_get();
- if ($xmlrpc_message->messagetype == 'fault') {
- $xmlrpc_message->fault_code = $xmlrpc_message->params[0]['faultCode'];
- $xmlrpc_message->fault_string = $xmlrpc_message->params[0]['faultString'];
- }
- return TRUE;
- }
-
- function xmlrpc_message_set($value = NULL) {
- static $xmlrpc_message;
- if ($value) {
- $xmlrpc_message = $value;
- }
- return $xmlrpc_message;
- }
- function xmlrpc_message_get() {
- return $this->xmlrpc_message_set();
- }
- function xmlrpc_message_tag_open($parser, $tag, $attr) {
- $xmlrpc_message = $this->xmlrpc_message_get();
- $xmlrpc_message->current_tag_contents = '';
- $xmlrpc_message->last_open = $tag;
- switch ($tag) {
- case 'methodCall':
- case 'methodResponse':
- case 'fault':
- $xmlrpc_message->messagetype = $tag;
- break;
-
- case 'data':
- $xmlrpc_message->array_structs_types[] = 'array';
- $xmlrpc_message->array_structs[] = array();
- break;
- case 'struct':
- $xmlrpc_message->array_structs_types[] = 'struct';
- $xmlrpc_message->array_structs[] = array();
- break;
- }
- $this->xmlrpc_message_set($xmlrpc_message);
- }
- function xmlrpc_message_cdata($parser, $cdata) {
- $xmlrpc_message = $this->xmlrpc_message_get();
- $xmlrpc_message->current_tag_contents .= $cdata;
- $this->xmlrpc_message_set($xmlrpc_message);
- }
- function xmlrpc_message_tag_close($parser, $tag) {
- $xmlrpc_message = $this->xmlrpc_message_get();
- $value_flag = FALSE;
- switch ($tag) {
- case 'int':
- case 'i4':
- $value = (int)trim($xmlrpc_message->current_tag_contents);
- $value_flag = TRUE;
- break;
- case 'double':
- $value = (double)trim($xmlrpc_message->current_tag_contents);
- $value_flag = TRUE;
- break;
- case 'string':
- $value = $xmlrpc_message->current_tag_contents;
- $value_flag = TRUE;
- break;
- case 'dateTime.iso8601':
- $value = xmlrpc_date(trim($xmlrpc_message->current_tag_contents));
-
- $value_flag = TRUE;
- break;
- case 'value':
-
-
- if (trim($xmlrpc_message->current_tag_contents) != '' || (isset($xmlrpc_message->last_open) && ($xmlrpc_message->last_open == 'value'))) {
- $value = (string)$xmlrpc_message->current_tag_contents;
- $value_flag = TRUE;
- }
- unset($xmlrpc_message->last_open);
- break;
- case 'boolean':
- $value = (boolean)trim($xmlrpc_message->current_tag_contents);
- $value_flag = TRUE;
- break;
- case 'base64':
- $value = base64_decode(trim($xmlrpc_message->current_tag_contents));
- $value_flag = TRUE;
- break;
-
- case 'data':
- case 'struct':
- $value = array_pop($xmlrpc_message->array_structs );
- array_pop($xmlrpc_message->array_structs_types);
- $value_flag = TRUE;
- break;
- case 'member':
- array_pop($xmlrpc_message->current_struct_name);
- break;
- case 'name':
- $xmlrpc_message->current_struct_name[] = trim($xmlrpc_message->current_tag_contents);
- break;
- case 'methodName':
- $xmlrpc_message->methodname = trim($xmlrpc_message->current_tag_contents);
- break;
- }
- if ($value_flag) {
- if (count($xmlrpc_message->array_structs ) > 0) {
-
- if ($xmlrpc_message->array_structs_types[count($xmlrpc_message->array_structs_types)-1] == 'struct') {
-
- $xmlrpc_message->array_structs [count($xmlrpc_message->array_structs )-1][$xmlrpc_message->current_struct_name[count($xmlrpc_message->current_struct_name)-1]] = $value;
- }
- else {
-
- $xmlrpc_message->array_structs [count($xmlrpc_message->array_structs )-1][] = $value;
- }
- }
- else {
-
- $xmlrpc_message->params[] = $value;
- }
- }
- if (!in_array($tag, array("data", "struct", "member"))) {
- $xmlrpc_message->current_tag_contents = '';
- }
- $this->xmlrpc_message_set($xmlrpc_message);
- }
-
- function xmlrpc_request($method, $args) {
- $xmlrpc_request = new stdClass();
- $xmlrpc_request->method = $method;
- $xmlrpc_request->args = $args;
- $xmlrpc_request->xml = <<<EOD
- <?xml version="1.0"?>
- <methodCall>
- <methodName>{$xmlrpc_request->method}</methodName>
- <params>
- EOD;
- foreach ($xmlrpc_request->args as $arg) {
- $xmlrpc_request->xml .= '<param><value>';
- $v = $this->xmlrpc_value($arg);
- $xmlrpc_request->xml .= $this->xmlrpc_value_get_xml($v);
- $xmlrpc_request->xml .= "</value></param>\n";
- }
- $xmlrpc_request->xml .= '</params></methodCall>';
- return $xmlrpc_request;
- }
- function xmlrpc_error($code = NULL, $message = NULL, $reset = FALSE) {
- static $xmlrpc_error;
- if (isset($code)) {
- $xmlrpc_error = new stdClass();
- $xmlrpc_error->is_error = TRUE;
- $xmlrpc_error->code = $code;
- $xmlrpc_error->message = $message;
- }
- elseif ($reset) {
- $xmlrpc_error = NULL;
- }
- return $xmlrpc_error;
- }
- function xmlrpc_error_get_xml($xmlrpc_error) {
- return <<<EOD
- <methodResponse>
- <fault>
- <value>
- <struct>
- <member>
- <name>faultCode</name>
- <value><int>{$xmlrpc_error->code}</int></value>
- </member>
- <member>
- <name>faultString</name>
- <value><string>{$xmlrpc_error->message}</string></value>
- </member>
- </struct>
- </value>
- </fault>
- </methodResponse>
- EOD;
- }
- function xmlrpc_date($time) {
- $xmlrpc_date = new stdClass();
- $xmlrpc_date->is_date = TRUE;
-
- if (is_numeric($time)) {
- $xmlrpc_date->year = gmdate('Y', $time);
- $xmlrpc_date->month = gmdate('m', $time);
- $xmlrpc_date->day = gmdate('d', $time);
- $xmlrpc_date->hour = gmdate('H', $time);
- $xmlrpc_date->minute = gmdate('i', $time);
- $xmlrpc_date->second = gmdate('s', $time);
- $xmlrpc_date->iso8601 = gmdate('Ymd\TH:i:s', $time);
- }
- else {
- $xmlrpc_date->iso8601 = $time;
- $time = str_replace(array('-', ':'), '', $time);
- $xmlrpc_date->year = substr($time, 0, 4);
- $xmlrpc_date->month = substr($time, 4, 2);
- $xmlrpc_date->day = substr($time, 6, 2);
- $xmlrpc_date->hour = substr($time, 9, 2);
- $xmlrpc_date->minute = substr($time, 11, 2);
- $xmlrpc_date->second = substr($time, 13, 2);
- }
- return $xmlrpc_date;
- }
- function xmlrpc_date_get_xml($xmlrpc_date) {
- return '<dateTime.iso8601>'. $xmlrpc_date->year . $xmlrpc_date->month . $xmlrpc_date->day .'T'. $xmlrpc_date->hour .':'. $xmlrpc_date->minute .':'. $xmlrpc_date->second .'</dateTime.iso8601>';
- }
- function xmlrpc_base64($data) {
- $xmlrpc_base64 = new stdClass();
- $xmlrpc_base64->is_base64 = TRUE;
- $xmlrpc_base64->data = $data;
- return $xmlrpc_base64;
- }
- function xmlrpc_base64_get_xml($xmlrpc_base64) {
- return '<base64>'. base64_encode($xmlrpc_base64->data) .'</base64>';
- }
-
- function _xmlrpc() {
- $args = func_get_args();
- $url = array_shift($args);
- $this->xmlrpc_clear_error();
- if (is_array($args[0])) {
- $method = 'system.multicall';
- $multicall_args = array();
- foreach ($args[0] as $call) {
- $multicall_args[] = array('methodName' => array_shift($call), 'params' => $call);
- }
- $args = array($multicall_args);
- }
- else {
- $method = array_shift($args);
- }
- $xmlrpc_request = $this->xmlrpc_request($method, $args);
- $result = $this->http_request($url, array("Content-Type" => "text/xml"), 'POST', $xmlrpc_request->xml);
- if ($result->code != 200) {
- $this->xmlrpc_error($result->code, $result->error);
- return FALSE;
- }
- $message = $this->xmlrpc_message($result->data);
-
- if (!$this->xmlrpc_message_parse($message)) {
-
- $this->xmlrpc_error(-32700, t('Parse error. Not well formed'));
- return FALSE;
- }
-
- if ($message->messagetype == 'fault') {
- $this->xmlrpc_error($message->fault_code, $message->fault_string);
- return FALSE;
- }
-
- return $message->params[0];
- }
-
- function xmlrpc_errno() {
- $error = $this->xmlrpc_error();
- return ($error != NULL ? $error->code : NULL);
- }
-
- function xmlrpc_error_msg() {
- $error = xmlrpc_error();
- return ($error != NULL ? $error->message : NULL);
- }
-
- function xmlrpc_clear_error() {
- $this->xmlrpc_error(NULL, NULL, TRUE);
- }
- }
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