895 lines
31 KiB
PHP
895 lines
31 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Plugin to check submitted notices with Mollom
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Mollom is a bayesian spam checker, wrapped into a webservice
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* This plugin is based on the Drupal Mollom module
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*
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* @category Plugin
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* @package Laconica
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* @author Brenda Wallace <brenda@cpan.org>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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*
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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define('MOLLOMPLUGIN_VERSION', '0.1');
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define('MOLLOM_API_VERSION', '1.0');
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define('MOLLOM_ANALYSIS_UNKNOWN' , 0);
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define('MOLLOM_ANALYSIS_HAM' , 1);
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define('MOLLOM_ANALYSIS_SPAM' , 2);
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define('MOLLOM_ANALYSIS_UNSURE' , 3);
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define('MOLLOM_MODE_DISABLED', 0);
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define('MOLLOM_MODE_CAPTCHA' , 1);
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define('MOLLOM_MODE_ANALYSIS', 2);
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define('MOLLOM_FALLBACK_BLOCK' , 0);
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define('MOLLOM_FALLBACK_ACCEPT', 1);
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define('MOLLOM_ERROR' , 1000);
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define('MOLLOM_REFRESH' , 1100);
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define('MOLLOM_REDIRECT', 1200);
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/**
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* Plugin to check submitted notices with Mollom
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*
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* Mollom is a bayesian spam filter provided by webservice.
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*
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* @category Plugin
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* @package Laconica
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* @author Brenda Wallace <shiny@cpan.org>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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*
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* @see Event
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*/
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class MollomPlugin extends Plugin
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{
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function __construct($url=null) {
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parent::__construct();
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}
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function onStartNoticeSave($notice)
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{
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error_log(print_r($notice, 1));
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if (common_config('mollom', 'public_key')) {
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//Check spam
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$data = array(
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'post_body' => $notice->content,
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'author_name' => $profile->nickname,
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'author_url' => $profile->homepage,
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'author_id' => $profile->id,
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'author_ip' => $this->getClientIp(),
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);
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$response = $this->mollom('mollom.checkContent', $data);
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if ($response['spam'] == MOLLOM_ANALYSIS_SPAM) {
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throw new ClientException(_("Spam Detected"), 400);
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}
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if ($response['spam'] == MOLLOM_ANALYSIS_UNSURE) {
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//if unsure, let through
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}
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if($response['spam'] == MOLLOM_ANALYSIS_HAM) {
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// all good! :-)
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}
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}
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return true;
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}
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function getClientIP() {
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if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
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// Note: order matters here; use proxy-forwarded stuff first
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foreach (array('HTTP_X_FORWARDED_FOR', 'CLIENT-IP', 'REMOTE_ADDR') as $k) {
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if (isset($_SERVER[$k])) {
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return $_SERVER[$k];
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}
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}
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}
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return '127.0.0.1';
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}
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/**
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* Call a remote procedure at the Mollom server. This function will
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* automatically add the information required to authenticate against
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* Mollom.
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*/
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function mollom($method, $data = array()) {
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if (!extension_loaded('xmlrpc')) {
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if (!dl('xmlrpc.so')) {
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common_log(LOG_ERR, "Can't pingback; xmlrpc extension not available.");
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}
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}
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// Construct the server URL:
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$public_key = common_config('mollom', 'public_key');
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// Retrieve the list of Mollom servers from the database:
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$servers = common_config('mollom', 'servers');
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if ($servers == NULL) {
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// Retrieve a list of valid Mollom servers from mollom.com:
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$servers = $this->xmlrpc('http://xmlrpc.mollom.com/'. MOLLOM_API_VERSION, 'mollom.getServerList', $this->authentication());
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// Store the list of servers in the database:
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// TODO! variable_set('mollom_servers', $servers);
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}
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if (is_array($servers)) {
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// Send the request to the first server, if that fails, try the other servers in the list:
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foreach ($servers as $server) {
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$auth = $this->authentication();
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$data = array_merge($data, $auth);
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$result = $this->xmlrpc($server .'/'. MOLLOM_API_VERSION, $method, $data);
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// Debug output:
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if (isset($data['session_id'])) {
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error_log("called $method at server $server with session ID '". $data['session_id'] ."'");
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}
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else {
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error_log("called $method at server $server with no session ID");
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}
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if ($errno = $this->xmlrpc_errno()) {
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error_log(sprintf('Error @errno: %s - %s - %s - <pre>%s</pre>', $this->xmlrpc_errno(), $server, $this->xmlrpc_error_msg(), $method, print_r($data, TRUE)));
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if ($errno == MOLLOM_REFRESH) {
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// Retrieve a list of valid Mollom servers from mollom.com:
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$servers = $this->xmlrpc('http://xmlrpc.mollom.com/'. MOLLOM_API_VERSION, 'mollom.getServerList', $this->authentication());
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// Store the updated list of servers in the database:
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//tODO variable_set('mollom_servers', $servers);
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}
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else if ($errno == MOLLOM_ERROR) {
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return $result;
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}
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else if ($errno == MOLLOM_REDIRECT) {
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// Do nothing, we select the next client automatically.
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}
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// Reset the XMLRPC error:
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$this->xmlrpc_error(0); // FIXME: this is crazy.
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}
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else {
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error_log("Result = " . print_r($result, TRUE));
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return $result;
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}
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}
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}
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// If none of the servers worked, activate the fallback mechanism:
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error_log("none of the servers worked");
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// _mollom_fallback();
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// If everything failed, we reset the server list to force Mollom to request a new list:
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//TODO variable_set('mollom_servers', array());
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}
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/**
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* This function generate an array with all the information required to
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* authenticate against Mollom. To prevent that requests are forged and
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* that you are impersonated, each request is signed with a hash computed
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* based on a private key and a timestamp.
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*
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* Both the client and the server share the secret key that is used to
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* create the authentication hash based on a timestamp. They both hash
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* the timestamp with the secret key, and if the hashes match, the
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* authenticity of the message has been validated.
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*
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* To avoid that someone can intercept a (hash, timestamp)-pair and
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* use that to impersonate a client, Mollom will reject the request
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* when the timestamp is more than 15 minutes off.
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*
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* Make sure your server's time is synchronized with the world clocks,
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* and that you don't share your private key with anyone else.
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*/
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private function authentication() {
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$public_key = common_config('mollom', 'public_key');
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$private_key = common_config('mollom', 'private_key');
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// Generate a timestamp according to the dateTime format (http://www.w3.org/TR/xmlschema-2/#dateTime):
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$time = gmdate("Y-m-d\TH:i:s.\\0\\0\\0O", time());
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// Calculate a HMAC-SHA1 according to RFC2104 (http://www.ietf.org/rfc/rfc2104.txt):
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$hash = base64_encode(
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pack("H*", sha1((str_pad($private_key, 64, chr(0x00)) ^ (str_repeat(chr(0x5c), 64))) .
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pack("H*", sha1((str_pad($private_key, 64, chr(0x00)) ^ (str_repeat(chr(0x36), 64))) .
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$time))))
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);
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// Store everything in an array. Elsewhere in the code, we'll add the
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// acutal data before we pass it onto the XML-RPC library:
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$data['public_key'] = $public_key;
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$data['time'] = $time;
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$data['hash'] = $hash;
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return $data;
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}
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function xmlrpc($url) {
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//require_once './includes/xmlrpc.inc';
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$args = func_get_args();
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return call_user_func_array(array('MollomPlugin', '_xmlrpc'), $args);
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}
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/**
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* Recursively turn a data structure into objects with 'data' and 'type' attributes.
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*
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* @param $data
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* The data structure.
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* @param $type
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* Optional type assign to $data.
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* @return
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* Object.
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*/
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function xmlrpc_value($data, $type = FALSE) {
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$xmlrpc_value = new stdClass();
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$xmlrpc_value->data = $data;
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if (!$type) {
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$type = $this->xmlrpc_value_calculate_type($xmlrpc_value);
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}
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$xmlrpc_value->type = $type;
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if ($type == 'struct') {
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// Turn all the values in the array into new xmlrpc_values
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foreach ($xmlrpc_value->data as $key => $value) {
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$xmlrpc_value->data[$key] = $this->xmlrpc_value($value);
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}
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}
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if ($type == 'array') {
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for ($i = 0, $j = count($xmlrpc_value->data); $i < $j; $i++) {
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$xmlrpc_value->data[$i] = $this->xmlrpc_value($xmlrpc_value->data[$i]);
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}
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}
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return $xmlrpc_value;
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}
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/**
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* Map PHP type to XML-RPC type.
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*
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* @param $xmlrpc_value
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* Variable whose type should be mapped.
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* @return
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* XML-RPC type as string.
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* @see
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* http://www.xmlrpc.com/spec#scalars
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*/
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function xmlrpc_value_calculate_type(&$xmlrpc_value) {
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// http://www.php.net/gettype: Never use gettype() to test for a certain type [...] Instead, use the is_* functions.
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if (is_bool($xmlrpc_value->data)) {
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return 'boolean';
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}
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if (is_double($xmlrpc_value->data)) {
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return 'double';
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}
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if (is_int($xmlrpc_value->data)) {
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return 'int';
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}
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if (is_array($xmlrpc_value->data)) {
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// empty or integer-indexed arrays are 'array', string-indexed arrays 'struct'
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return empty($xmlrpc_value->data) || range(0, count($xmlrpc_value->data) - 1) === array_keys($xmlrpc_value->data) ? 'array' : 'struct';
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}
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if (is_object($xmlrpc_value->data)) {
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if ($xmlrpc_value->data->is_date) {
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return 'date';
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}
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if ($xmlrpc_value->data->is_base64) {
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return 'base64';
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}
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$xmlrpc_value->data = get_object_vars($xmlrpc_value->data);
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return 'struct';
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}
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// default
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return 'string';
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}
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/**
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* Generate XML representing the given value.
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*
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* @param $xmlrpc_value
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* @return
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* XML representation of value.
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*/
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function xmlrpc_value_get_xml($xmlrpc_value) {
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switch ($xmlrpc_value->type) {
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case 'boolean':
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return '<boolean>'. (($xmlrpc_value->data) ? '1' : '0') .'</boolean>';
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break;
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case 'int':
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return '<int>'. $xmlrpc_value->data .'</int>';
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break;
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case 'double':
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return '<double>'. $xmlrpc_value->data .'</double>';
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break;
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case 'string':
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// Note: we don't escape apostrophes because of the many blogging clients
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// that don't support numerical entities (and XML in general) properly.
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return '<string>'. htmlspecialchars($xmlrpc_value->data) .'</string>';
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break;
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case 'array':
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$return = '<array><data>'."\n";
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foreach ($xmlrpc_value->data as $item) {
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$return .= ' <value>'. $this->xmlrpc_value_get_xml($item) ."</value>\n";
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}
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$return .= '</data></array>';
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return $return;
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break;
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case 'struct':
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$return = '<struct>'."\n";
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foreach ($xmlrpc_value->data as $name => $value) {
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$return .= " <member><name>". htmlentities($name) ."</name><value>";
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$return .= $this->xmlrpc_value_get_xml($value) ."</value></member>\n";
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}
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$return .= '</struct>';
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return $return;
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break;
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case 'date':
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return $this->xmlrpc_date_get_xml($xmlrpc_value->data);
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break;
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case 'base64':
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return $this->xmlrpc_base64_get_xml($xmlrpc_value->data);
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break;
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}
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return FALSE;
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}
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/**
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* Perform an HTTP request.
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*
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* This is a flexible and powerful HTTP client implementation. Correctly handles
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* GET, POST, PUT or any other HTTP requests. Handles redirects.
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*
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* @param $url
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* A string containing a fully qualified URI.
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* @param $headers
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* An array containing an HTTP header => value pair.
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* @param $method
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* A string defining the HTTP request to use.
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* @param $data
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* A string containing data to include in the request.
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* @param $retry
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* An integer representing how many times to retry the request in case of a
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* redirect.
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* @return
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* An object containing the HTTP request headers, response code, headers,
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* data and redirect status.
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*/
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function http_request($url, $headers = array(), $method = 'GET', $data = NULL, $retry = 3) {
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global $db_prefix;
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$result = new stdClass();
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// Parse the URL and make sure we can handle the schema.
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$uri = parse_url($url);
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if ($uri == FALSE) {
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$result->error = 'unable to parse URL';
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return $result;
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}
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if (!isset($uri['scheme'])) {
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$result->error = 'missing schema';
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return $result;
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}
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switch ($uri['scheme']) {
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case 'http':
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$port = isset($uri['port']) ? $uri['port'] : 80;
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$host = $uri['host'] . ($port != 80 ? ':'. $port : '');
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$fp = @fsockopen($uri['host'], $port, $errno, $errstr, 15);
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break;
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case 'https':
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// Note: Only works for PHP 4.3 compiled with OpenSSL.
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$port = isset($uri['port']) ? $uri['port'] : 443;
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$host = $uri['host'] . ($port != 443 ? ':'. $port : '');
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$fp = @fsockopen('ssl://'. $uri['host'], $port, $errno, $errstr, 20);
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break;
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default:
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$result->error = 'invalid schema '. $uri['scheme'];
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return $result;
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}
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// Make sure the socket opened properly.
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if (!$fp) {
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// When a network error occurs, we use a negative number so it does not
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// clash with the HTTP status codes.
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$result->code = -$errno;
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$result->error = trim($errstr);
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// Mark that this request failed. This will trigger a check of the web
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// server's ability to make outgoing HTTP requests the next time that
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// requirements checking is performed.
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// @see system_requirements()
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//TODO variable_set('drupal_http_request_fails', TRUE);
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return $result;
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}
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|
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// Construct the path to act on.
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$path = isset($uri['path']) ? $uri['path'] : '/';
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if (isset($uri['query'])) {
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$path .= '?'. $uri['query'];
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}
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// Create HTTP request.
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$defaults = array(
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// RFC 2616: "non-standard ports MUST, default ports MAY be included".
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// We don't add the port to prevent from breaking rewrite rules checking the
|
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// host that do not take into account the port number.
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'Host' => "Host: $host",
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'User-Agent' => 'User-Agent: Drupal (+http://drupal.org/)',
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'Content-Length' => 'Content-Length: '. strlen($data)
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);
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// If the server url has a user then attempt to use basic authentication
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if (isset($uri['user'])) {
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$defaults['Authorization'] = 'Authorization: Basic '. base64_encode($uri['user'] . (!empty($uri['pass']) ? ":". $uri['pass'] : ''));
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}
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// If the database prefix is being used by SimpleTest to run the tests in a copied
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|
// database then set the user-agent header to the database prefix so that any
|
|
// calls to other Drupal pages will run the SimpleTest prefixed database. The
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// user-agent is used to ensure that multiple testing sessions running at the
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// same time won't interfere with each other as they would if the database
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// prefix were stored statically in a file or database variable.
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if (is_string($db_prefix) && preg_match("/^simpletest\d+$/", $db_prefix, $matches)) {
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$defaults['User-Agent'] = 'User-Agent: ' . $matches[0];
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}
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foreach ($headers as $header => $value) {
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$defaults[$header] = $header .': '. $value;
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}
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$request = $method .' '. $path ." HTTP/1.0\r\n";
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$request .= implode("\r\n", $defaults);
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$request .= "\r\n\r\n";
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$request .= $data;
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$result->request = $request;
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fwrite($fp, $request);
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|
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// Fetch response.
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$response = '';
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while (!feof($fp) && $chunk = fread($fp, 1024)) {
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$response .= $chunk;
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}
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fclose($fp);
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|
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// Parse response.
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list($split, $result->data) = explode("\r\n\r\n", $response, 2);
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$split = preg_split("/\r\n|\n|\r/", $split);
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list($protocol, $code, $text) = explode(' ', trim(array_shift($split)), 3);
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$result->headers = array();
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|
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// Parse headers.
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|
while ($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);
|
|
}
|
|
|
|
}
|