--- /dev/null
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Plugin to check submitted notices with Mollom
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Mollom is a bayesian spam checker, wrapped into a webservice
+ * This plugin is based on the Drupal Mollom module
+ *
+ * @category Plugin
+ * @package Laconica
+ * @author Brenda Wallace <brenda@cpan.org>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ *
+ */
+
+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);
+
+/**
+ * Plugin to check submitted notices with Mollom
+ *
+ * Mollom is a bayesian spam filter provided by webservice.
+ *
+ * @category Plugin
+ * @package Laconica
+ * @author Brenda Wallace <shiny@cpan.org>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ *
+ * @see Event
+ */
+
+
+
+class MollomPlugin extends Plugin
+{
+ function __construct($url=null) {
+ parent::__construct();
+ }
+
+ function onStartNoticeSave($notice)
+ {
+ error_log(print_r($notice, 1));
+ if (common_config('mollom', 'public_key')) {
+ //Check spam
+ $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(_("Spam Detected"), 400);
+ }
+ if ($response['spam'] == MOLLOM_ANALYSIS_UNSURE) {
+ //if unsure, let through
+ }
+ if($response['spam'] == MOLLOM_ANALYSIS_HAM) {
+ // all good! :-)
+ }
+ }
+
+ return true;
+ }
+
+ function getClientIP() {
+ if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+ // Note: order matters here; use proxy-forwarded stuff first
+ foreach (array('HTTP_X_FORWARDED_FOR', 'CLIENT-IP', 'REMOTE_ADDR') as $k) {
+ if (isset($_SERVER[$k])) {
+ return $_SERVER[$k];
+ }
+ }
+ }
+ return '127.0.0.1';
+ }
+ /**
+ * Call a remote procedure at the Mollom server. This function will
+ * automatically add the information required to authenticate against
+ * Mollom.
+ */
+ function mollom($method, $data = array()) {
+ if (!extension_loaded('xmlrpc')) {
+ if (!dl('xmlrpc.so')) {
+ common_log(LOG_ERR, "Can't pingback; xmlrpc extension not available.");
+ }
+ }
+
+ // Construct the server URL:
+ $public_key = common_config('mollom', 'public_key');
+ // Retrieve the list of Mollom servers from the database:
+ $servers = common_config('mollom', 'servers');
+
+ if ($servers == NULL) {
+ // Retrieve a list of valid Mollom servers from mollom.com:
+ $servers = $this->xmlrpc('http://xmlrpc.mollom.com/'. MOLLOM_API_VERSION, 'mollom.getServerList', $this->authentication());
+
+ // Store the list of servers in the database:
+ // TODO! variable_set('mollom_servers', $servers);
+ }
+
+ if (is_array($servers)) {
+ // Send the request to the first server, if that fails, try the other servers in the list:
+ foreach ($servers as $server) {
+ $auth = $this->authentication();
+ $data = array_merge($data, $auth);
+ $result = $this->xmlrpc($server .'/'. MOLLOM_API_VERSION, $method, $data);
+
+ // Debug output:
+ if (isset($data['session_id'])) {
+ error_log("called $method at server $server with session ID '". $data['session_id'] ."'");
+ }
+ else {
+ error_log("called $method at server $server with no session ID");
+ }
+
+ if ($errno = $this->xmlrpc_errno()) {
+ error_log(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) {
+ // Retrieve a list of valid Mollom servers from mollom.com:
+ $servers = $this->xmlrpc('http://xmlrpc.mollom.com/'. MOLLOM_API_VERSION, 'mollom.getServerList', $this->authentication());
+
+ // Store the updated list of servers in the database:
+ //tODO variable_set('mollom_servers', $servers);
+ }
+ else if ($errno == MOLLOM_ERROR) {
+ return $result;
+ }
+ else if ($errno == MOLLOM_REDIRECT) {
+ // Do nothing, we select the next client automatically.
+ }
+
+ // Reset the XMLRPC error:
+ $this->xmlrpc_error(0); // FIXME: this is crazy.
+ }
+ else {
+ error_log("Result = " . print_r($result, TRUE));
+ return $result;
+ }
+ }
+ }
+
+ // If none of the servers worked, activate the fallback mechanism:
+ error_log("none of the servers worked");
+ // _mollom_fallback();
+
+ // If everything failed, we reset the server list to force Mollom to request a new list:
+ //TODO variable_set('mollom_servers', array());
+ }
+
+ /**
+ * This function generate an array with all the information required to
+ * authenticate against Mollom. To prevent that requests are forged and
+ * that you are impersonated, each request is signed with a hash computed
+ * based on a private key and a timestamp.
+ *
+ * Both the client and the server share the secret key that is used to
+ * create the authentication hash based on a timestamp. They both hash
+ * the timestamp with the secret key, and if the hashes match, the
+ * authenticity of the message has been validated.
+ *
+ * To avoid that someone can intercept a (hash, timestamp)-pair and
+ * use that to impersonate a client, Mollom will reject the request
+ * when the timestamp is more than 15 minutes off.
+ *
+ * Make sure your server's time is synchronized with the world clocks,
+ * and that you don't share your private key with anyone else.
+ */
+ private function authentication() {
+
+ $public_key = common_config('mollom', 'public_key');
+ $private_key = common_config('mollom', 'private_key');
+
+ // Generate a timestamp according to the dateTime format (http://www.w3.org/TR/xmlschema-2/#dateTime):
+ $time = gmdate("Y-m-d\TH:i:s.\\0\\0\\0O", time());
+
+ // Calculate a HMAC-SHA1 according to RFC2104 (http://www.ietf.org/rfc/rfc2104.txt):
+ $hash = base64_encode(
+ pack("H*", sha1((str_pad($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))))
+ );
+
+ // Store everything in an array. Elsewhere in the code, we'll add the
+ // acutal data before we pass it onto the XML-RPC library:
+ $data['public_key'] = $public_key;
+ $data['time'] = $time;
+ $data['hash'] = $hash;
+
+ return $data;
+ }
+
+
+ function xmlrpc($url) {
+ //require_once './includes/xmlrpc.inc';
+ $args = func_get_args();
+ return call_user_func_array(array('MollomPlugin', '_xmlrpc'), $args);
+ }
+
+ /**
+ * Recursively turn a data structure into objects with 'data' and 'type' attributes.
+ *
+ * @param $data
+ * The data structure.
+ * @param $type
+ * Optional type assign to $data.
+ * @return
+ * Object.
+ */
+ function xmlrpc_value($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') {
+ // Turn all the values in the array into new xmlrpc_values
+ 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;
+ }
+
+ /**
+ * Map PHP type to XML-RPC type.
+ *
+ * @param $xmlrpc_value
+ * Variable whose type should be mapped.
+ * @return
+ * XML-RPC type as string.
+ * @see
+ * http://www.xmlrpc.com/spec#scalars
+ */
+ function xmlrpc_value_calculate_type(&$xmlrpc_value) {
+ // http://www.php.net/gettype: Never use gettype() to test for a certain type [...] Instead, use the is_* functions.
+ 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)) {
+ // empty or integer-indexed arrays are 'array', string-indexed arrays 'struct'
+ 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';
+ }
+ // default
+ return 'string';
+ }
+
+/**
+ * Generate XML representing the given value.
+ *
+ * @param $xmlrpc_value
+ * @return
+ * XML representation of value.
+ */
+function xmlrpc_value_get_xml($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>'. $xmlrpc_value->data .'</double>';
+ break;
+ case 'string':
+ // Note: we don't escape apostrophes because of the many blogging clients
+ // that don't support numerical entities (and XML in general) properly.
+ return '<string>'. htmlspecialchars($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;
+}
+
+ /**
+ * Perform an HTTP request.
+ *
+ * This is a flexible and powerful HTTP client implementation. Correctly handles
+ * GET, POST, PUT or any other HTTP requests. Handles redirects.
+ *
+ * @param $url
+ * A string containing a fully qualified URI.
+ * @param $headers
+ * An array containing an HTTP header => value pair.
+ * @param $method
+ * A string defining the HTTP request to use.
+ * @param $data
+ * A string containing data to include in the request.
+ * @param $retry
+ * An integer representing how many times to retry the request in case of a
+ * redirect.
+ * @return
+ * An object containing the HTTP request headers, response code, headers,
+ * data and redirect status.
+ */
+ function http_request($url, $headers = array(), $method = 'GET', $data = NULL, $retry = 3) {
+ global $db_prefix;
+
+ $result = new stdClass();
+
+ // Parse the URL and make sure we can handle the schema.
+ $uri = parse_url($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':
+ // Note: Only works for PHP 4.3 compiled with OpenSSL.
+ $port = isset($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 $result;
+ }
+
+ // Make sure the socket opened properly.
+ if (!$fp) {
+ // When a network error occurs, we use a negative number so it does not
+ // clash with the HTTP status codes.
+ $result->code = -$errno;
+ $result->error = trim($errstr);
+
+ // Mark that this request failed. This will trigger a check of the web
+ // server's ability to make outgoing HTTP requests the next time that
+ // requirements checking is performed.
+ // @see system_requirements()
+ //TODO variable_set('drupal_http_request_fails', TRUE);
+
+ return $result;
+ }
+
+ // Construct the path to act on.
+ $path = isset($uri['path']) ? $uri['path'] : '/';
+ if (isset($uri['query'])) {
+ $path .= '?'. $uri['query'];
+ }
+
+ // Create HTTP request.
+ $defaults = array(
+ // RFC 2616: "non-standard ports MUST, default ports MAY be included".
+ // We don't add the port to prevent from breaking rewrite rules checking the
+ // host that do not take into account the port number.
+ 'Host' => "Host: $host",
+ 'User-Agent' => 'User-Agent: Drupal (+http://drupal.org/)',
+ 'Content-Length' => 'Content-Length: '. strlen($data)
+ );
+
+ // If the server url has a user then attempt to use basic authentication
+ if (isset($uri['user'])) {
+ $defaults['Authorization'] = 'Authorization: Basic '. base64_encode($uri['user'] . (!empty($uri['pass']) ? ":". $uri['pass'] : ''));
+ }
+
+ // If the database prefix is being used by SimpleTest to run the tests in a copied
+ // database then set the user-agent header to the database prefix so that any
+ // calls to other Drupal pages will run the SimpleTest prefixed database. The
+ // user-agent is used to ensure that multiple testing sessions running at the
+ // same time won't interfere with each other as they would if the database
+ // prefix were stored statically in a file or database variable.
+ if (is_string($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);
+
+ // Fetch response.
+ $response = '';
+ while (!feof($fp) && $chunk = fread($fp, 1024)) {
+ $response .= $chunk;
+ }
+ fclose($fp);
+
+ // Parse response.
+ 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);
+ $result->headers = array();
+
+ // Parse headers.
+ while ($line = trim(array_shift($split))) {
+ list($header, $value) = explode(':', $line, 2);
+ if (isset($result->headers[$header]) && $header == 'Set-Cookie') {
+ // RFC 2109: the Set-Cookie response header comprises the token Set-
+ // Cookie:, followed by a comma-separated list of one or more cookies.
+ $result->headers[$header] .= ','. trim($value);
+ }
+ else {
+ $result->headers[$header] = trim($value);
+ }
+ }
+
+ $responses = array(
+ 100 => 'Continue', 101 => 'Switching Protocols',
+ 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content',
+ 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 307 => 'Temporary Redirect',
+ 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 416 => 'Requested range not satisfiable', 417 => 'Expectation Failed',
+ 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported'
+ );
+ // RFC 2616 states that all unknown HTTP codes must be treated the same as the
+ // base code in their class.
+ if (!isset($responses[$code])) {
+ $code = floor($code / 100) * 100;
+ }
+
+ switch ($code) {
+ case 200: // OK
+ case 304: // Not modified
+ break;
+ case 301: // Moved permanently
+ case 302: // Moved temporarily
+ case 307: // Moved temporarily
+ $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;
+ }
+
+ /**
+ * Construct an object representing an XML-RPC message.
+ *
+ * @param $message
+ * String containing XML as defined at http://www.xmlrpc.com/spec
+ * @return
+ * Object
+ */
+ function xmlrpc_message($message) {
+ $xmlrpc_message = new stdClass();
+ $xmlrpc_message->array_structs = array(); // The stack used to keep track of the current array/struct
+ $xmlrpc_message->array_structs_types = array(); // The stack used to keep track of if things are structs or array
+ $xmlrpc_message->current_struct_name = array(); // A stack as well
+ $xmlrpc_message->message = $message;
+ return $xmlrpc_message;
+ }
+
+ /**
+ * Parse an XML-RPC message. If parsing fails, the faultCode and faultString
+ * will be added to the message object.
+ *
+ * @param $xmlrpc_message
+ * Object generated by xmlrpc_message()
+ * @return
+ * TRUE if parsing succeeded; FALSE otherwise
+ */
+ function xmlrpc_message_parse(&$xmlrpc_message) {
+ // First remove the XML declaration
+ $xmlrpc_message->message = preg_replace('/<\?xml(.*)?\?'.'>/', '', $xmlrpc_message->message);
+ if (trim($xmlrpc_message->message) == '') {
+ return FALSE;
+ }
+ $xmlrpc_message->_parser = xml_parser_create();
+ // Set XML parser to take the case of tags into account.
+ xml_parser_set_option($xmlrpc_message->_parser, XML_OPTION_CASE_FOLDING, FALSE);
+ // Set XML parser callback functions
+ 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);
+ // Grab the error messages, if any
+ $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;
+ }
+
+ /**
+ * Store a copy of the $xmlrpc_message object temporarily.
+ *
+ * @param $value
+ * Object
+ * @return
+ * The most recently stored $xmlrpc_message
+ */
+ function xmlrpc_message_set($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;
+ // Deal with stacks of arrays and structs
+ 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 = $iso->getTimestamp();
+ $value_flag = TRUE;
+ break;
+ case 'value':
+ // If no type is indicated, the type is string
+ // We take special care for empty values
+ if (trim($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;
+ // Deal with stacks of arrays and structs
+ 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) {
+ // Add value to struct or array
+ if ($xmlrpc_message->array_structs_types[count($xmlrpc_message->array_structs_types)-1] == 'struct') {
+ // Add to 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 {
+ // Add to array
+ $xmlrpc_message->array_structs [count($xmlrpc_message->array_structs )-1][] = $value;
+ }
+ }
+ else {
+ // Just add as a parameter
+ $xmlrpc_message->params[] = $value;
+ }
+ }
+ if (!in_array($tag, array("data", "struct", "member"))) {
+ $xmlrpc_message->current_tag_contents = '';
+ }
+ $this->xmlrpc_message_set($xmlrpc_message);
+ }
+
+ /**
+ * Construct an object representing an XML-RPC request
+ *
+ * @param $method
+ * The name of the method to be called
+ * @param $args
+ * An array of parameters to send with the method.
+ * @return
+ * Object
+ */
+ function xmlrpc_request($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;
+ // $time can be a PHP timestamp or an ISO one
+ if (is_numeric($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>';
+ }
+
+ /**
+ * Execute an XML remote procedural call. This is private function; call xmlrpc()
+ * in common.inc instead of this function.
+ *
+ * @return
+ * A $xmlrpc_message object if the call succeeded; FALSE if the call failed
+ */
+ 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);
+ // Now parse what we've got back
+ if (!$this->xmlrpc_message_parse($message)) {
+ // XML error
+ $this->xmlrpc_error(-32700, t('Parse error. Not well formed'));
+ return FALSE;
+ }
+ // Is the message a fault?
+ if ($message->messagetype == 'fault') {
+ $this->xmlrpc_error($message->fault_code, $message->fault_string);
+ return FALSE;
+ }
+ // Message must be OK
+ return $message->params[0];
+ }
+
+ /**
+ * Returns the last XML-RPC client error number
+ */
+ function xmlrpc_errno() {
+ $error = $this->xmlrpc_error();
+ return ($error != NULL ? $error->code : NULL);
+ }
+
+ /**
+ * Returns the last XML-RPC client error message
+ */
+ function xmlrpc_error_msg() {
+ $error = xmlrpc_error();
+ return ($error != NULL ? $error->message : NULL);
+ }
+
+ /**
+ * Clears any previous error.
+ */
+ function xmlrpc_clear_error() {
+ $this->xmlrpc_error(NULL, NULL, TRUE);
+ }
+
+}
projects / quix0rs-gnu-social.git / commitdiff