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File: NNTP.php
<?php /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */ // +----------------------------------------------------------------------+ // | PHP Version 4 | // +----------------------------------------------------------------------+ // | Copyright (c) 1997-2003 The PHP Group | // +----------------------------------------------------------------------+ // | This source file is subject to version 2.0 of the PHP license, | // | that is bundled with this package in the file LICENSE, and is | // | available at through the world-wide-web at | // | http://www.php.net/license/2_02.txt. | // | If you did not receive a copy of the PHP license and are unable to | // | obtain it through the world-wide-web, please send a note to | // | license@php.net so we can mail you a copy immediately. | // +----------------------------------------------------------------------+ // | Authors: Martin Kaltoft <martin@nitro.dk> | // | Tomas V.V.Cox <cox@idecnet.com> | // | Heino H. Gehlsen <heino@gehlsen.dk> | // +----------------------------------------------------------------------+ // $Id: NNTP.php,v 1.30.2.4 2005/01/19 08:39:11 heino Exp $ require_once 'pearMail/Net/NNTP/Protocol/Client.php'; // {{{ constants /* NNTP Authentication modes */ define('NET_NNTP_AUTHORIGINAL', 'original'); define('NET_NNTP_AUTHSIMPLE', 'simple'); define('NET_NNTP_AUTHGENERIC', 'generic'); // Deprecated due to naming define('PEAR_NNTP_AUTHORIGINAL', NET_NNTP_AUTHORIGINAL); define('PEAR_NNTP_AUTHSIMPLE', NET_NNTP_AUTHSIMPLE); define('PEAR_NNTP_AUTHGENERIC', NET_NNTP_AUTHGENERIC); // }}} // {{{ Net_NNTP /** * The Net_NNTP class is an almost 100 % backward compatible * frontend class to the Net_NNTP_Protocol_Client class. * * ATTENTION!!! * This class should NOT be used in new projects. It is meant * as a drop in replacement to the outdated v0.2, and uses * excatly the same protocol implementation as the new * Net_NNTP_Client class, but has a lot of deprecated * methods etc. * * @category Net * @package Net_NNTP * @author Martin Kaltoft <martin@nitro.dk> * @author Tomas V.V.Cox <cox@idecnet.com> * @author Heino H. Gehlsen <heino@gehlsen.dk> * @version $Id: NNTP.php,v 1.30.2.4 2005/01/19 08:39:11 heino Exp $ * @access public * @see Net_NNTP_Client * @since Class available since Release 0.1.0 * @deprecated Class deprecated in Release 0.10.0 */ class Net_NNTP extends Net_NNTP_Protocol_Client { // {{{ properties /** * File pointer of the nntp-connection * * @var * @access public */ var $fp = null; /** * @var int * @access public * @deprecated use last() instead */ var $max; /** * @var int * @access public * @deprecated use last() instead */ var $min; /** * Used for storing information about the currently selected group * * @var array * @access private * @since 0.3 */ var $_currentGroup = null; // }}} // {{{ constructor /** * Constructor */ function Net_NNTP() { parent::Net_NNTP_Protocol_Client(); } // }}} // {{{ connect() /** * Connect to the newsserver. * * The function currently allows automatic authentication via the three last parameters, * but this feature is to be considered depresated (use connectAuthenticated instead) * * In the future, this function will just be inherrited from the parent, * and thus the last three parameters will no longer be used to authenticate. * * @param optional string $host The adress of the NNTP-server to connect to. * @param optional int $port The port to connect to. * @param optional string $user Deprecated! * @param optional string $pass Deprecated! * @param optional string $authmode Deprecated! * * @return mixed (bool) true on success or (object) pear_error on failure * @access public * @see Net_NNTP::quit() * @see Net_NNTP::connectAuthenticated() * @see Net_NNTP::authenticate() */ function connect($host = NET_NNTP_PROTOCOL_CLIENT_DEFAULT_HOST, $port = NET_NNTP_PROTOCOL_CLIENT_DEFAULT_PORT, $user = null, $pass = null, $authmode = NET_NNTP_AUTHORIGINAL) { // Currently this function just 'forwards' to connectAuthenticated(). $R = $this->connectAuthenticated($user, $pass, $host, $port, $authmode); if (PEAR::isError($R)) { return $R; } $this->fp = $this->_socket->fp; return $R; } // }}} // {{{ connectAuthenticated() /** * Connect to the newsserver, and authenticate. If no user/pass is specified, just connect. * * @param optional string $user The user name to authenticate with * @param optional string $pass The password * @param optional string $host The adress of the NNTP-server to connect to. * @param optional int $port The port to connect to. * @param optional string $authmode The authentication mode * * @return mixed (bool) true on success or (object) pear_error on failure * @access public * @since 0.3 * @see Net_NNTP::connect() * @see Net_NNTP::authenticate() * @see Net_NNTP::quit() * @deprecated use connect() and authenticate() instead */ function connectAuthenticated($user = null, $pass = null, $host = NET_NNTP_PROTOCOL_CLIENT_DEFAULT_HOST, $port = NET_NNTP_PROTOCOL_CLIENT_DEFAULT_PORT, $authmode = NET_NNTP_AUTHORIGINAL) { // Until connect() is changed, connect() is called directly from the parent... $R = parent::connect($host, $port); if (PEAR::isError($R)) { return $R; } // Authenticate if username is given if ($user != null) { $R = $this->authenticate($user, $pass, $authmode); if (PEAR::isError($R)) { return $R; } } return true; } // }}} // {{{ quit() /** * Close connection to the newsserver * * @access public * @see Net_NNTP::connect() */ function quit() { return $this->cmdQuit(); } // }}} // {{{ prepareConnection() /** * Connect to the newsserver, and issue a GROUP command * Once connection is prepared, we can only fetch articles from one group * at a time, to fetch from another group, a new connection has to be made. * * This is to avoid the GROUP command for every article, as it is very * ressource intensive on the newsserver especially when used for * groups with many articles. * * @param string $host The adress of the NNTP-server to connect to. * @param optional int $port the port-number to connect to, defaults to 119. * @param string $newsgroup The name of the newsgroup to use. * @param optional string $user The user name to authenticate with * @param optional string $pass The password * @param optional string $authmode The authentication mode * * @return mixed (bool) true on success or (object) pear_error on failure * @access public * * @deprecated Use connect() or connectAuthenticated() instead */ function prepareConnection($host, $port = 119, $newsgroup, $user = null, $pass = null, $authmode = NET_NNTP_AUTHORIGINAL) { /* connect to the server */ $R = $this->connect($host, $port, $user, $pass, $authmode); if (PEAR::isError($R)) { return $R; } /* issue a GROUP command */ $R = $this->selectGroup($newsgroup); if (PEAR::isError($R)) { return $R; } return true; } function prepare_connection($nntpserver, $port = 119, $newsgroup, $user = null, $pass = null, $authmode = NET_NNTP_AUTHORIGINAL) { return $this->prepareConnection($nntpserver, $port, $newsgroup, $user, $pass, $authmode); } // }}} // {{{ authenticate() /** * Auth process (not yet standarized but used any way) * http://www.mibsoftware.com/userkt/nntpext/index.html * * @param string $user The user name * @param optional string $pass The password if needed * @param optional string $mode Authinfo type: original, simple, generic * * @return mixed (bool) true on success or (object) pear_error on failure * @access public * @since 0.3 * @see Net_NNTP::connect() */ function authenticate($user, $pass, $mode = NET_NNTP_AUTHORIGINAL) { // Username is a must... if ($user == null) { return PEAR::throwError('No username supplied', null); } // Use selected authentication method switch ($mode) { case NET_NNTP_AUTHORIGINAL: return $this->cmdAuthinfo($user, $pass); break; case NET_NNTP_AUTHSIMPLE: return $this->cmdAuthinfoSimple($user, $pass); break; case NET_NNTP_AUTHGENERIC: return $this->cmdAuthinfoGeneric($user, $pass); break; default: return PEAR::throwError("The auth mode: '$mode' is unknown", null); } } // }}} // {{{ isConnected() /** * Test whether we are connected or not. * * @return bool true or false * @access public * @see Net_NNTP::connect() * @see Net_NNTP::quit() */ function isConnected() { return parent::isConnected(); } function is_connected() { return $this->isConnected(); } // }}} // {{{ selectGroup() /** * Selects a news group (issue a GROUP command to the server) * * @param string $newsgroup The newsgroup name * * @return mixed (array) Groups info on success or (object) pear_error on failure * @access public * @see group() * @see count() * @see first() * @see last() */ function selectGroup($newsgroup) { $response_arr = $this->cmdGroup($newsgroup); if (PEAR::isError($response_arr)) { return $response_arr; } $this->_currentGroup = $response_arr; // Deprecated / historical $response_arr['min'] =& $response_arr['first']; $response_arr['max'] =& $response_arr['last']; $this->min =& $response_arr['min']; $this->max =& $response_arr['max']; return $response_arr; } function select_group($newsgroup) { return $this->selectGroup($newsgroup); } // }}} // {{{ getGroups() /** * Fetches a list of all avaible newsgroups * * @return mixed (array) nested array with informations about existing newsgroups on success or (object) pear_error on failure * @access public */ function getGroups() { // Get groups $groups = $this->cmdList(); if (PEAR::isError($groups)) { return $groups; } // Deprecated / historical foreach (array_keys($groups) as $k) { $groups[$k]['posting_allowed'] =& $groups[$k]['posting']; } // Get group descriptions $descriptions = $this->cmdListNewsgroups(); if (PEAR::isError($descriptions)) { return $descriptions; } // Set known descriptions for groups if (count($descriptions) > 0) { foreach ($descriptions as $k=>$v) { $groups[$k]['desc'] = $v; } } return $groups; } function get_groups() { return $this->getGroups(); } // }}} // {{{ getOverview() /** * Fetch message header from message number $first to $last * * The format of the returned array is: * $messages[message_id][header_name] * * @param integer $first first article to fetch * @param integer $last last article to fetch * * @return mixed (array) nested array of message and there headers on success or (object) pear_error on failure * @access public * @see Net_NNTP::getOverviewFormat() * @see Net_NNTP::getReferencesOverview() */ function getOverview($first, $last) { $overview = $this->cmdXOver($first.'-'.$last); if (PEAR::isError($overview)) { return $overview; } return $overview; } function get_overview($first, $last) { $this->getOverview($first, $last); } // }}} // {{{ getOverviewFormat() /** * Returns a list of avaible headers which are send from newsserver to client for every news message * * @return mixed (array) header names on success or (object) pear_error on failure * @access public * @see Net_NNTP::getOverview() */ function getOverviewFormat() { return $this->cmdListOverviewFMT(); } // }}} // {{{ getOverviewFmt() /** * Returns a list of avaible headers which are send from newsserver to client for every news message * * @return mixed (array) header names on success or (object) pear_error on failure * @access public * @deprecated use getOverviewFormat() instead */ function getOverviewFmt() { return $this->getOverviewFormat(); } function get_overview_fmt() { $this->getOverviewFmt(); } // }}} // {{{ getReferencesOverview() /** * Fetch a list of each message's reference header. * * @param integer $first first article to fetch * @param integer $last last article to fetch * * @return mixed (array) nested array of references on success or (object) pear_error on failure * * @return mixed (array) nested array of message and there headers on success or (object) pear_error on failure * @access public * @see Net_NNTP::getOverview() */ function getReferencesOverview($first, $last) { $overview = $this->cmdXROver($first.'-'.$last); if (PEAR::isError($overview)) { return $overview; } return $overview; } // }}} // {{{ post() /** * Post an article to a number of newsgroups. * * (Among the aditional headers you might think of adding could be: * "NNTP-Posting-Host: <ip-of-author>", which should contain the IP-adress * of the author of the post, so the message can be traced back to him. * Or "Organization: <org>" which contain the name of the organization * the post originates from) * * @param string $subject The subject of the post. * @param string $newsgroup The newsgroup to post to. * @param string $from Name + email-adress of sender. * @param string $body The body of the post itself. * @param optional string $aditional Aditional headers to send. * * @return mixed (string) server response on success or (object) pear_error on failure * @access public */ function post($subject, $newsgroup, $from, $body, $aditional = '') { return $this->cmdPost($newsgroup, $subject, $body, $from, $aditional); } // }}} // {{{ getArticleRaw() /** * Get an article (raw data) * * @param mixed $article Either the message-id or the message-number on the server of the article to fetch. * @param bool $implode When true the result array is imploded to a string, defaults to true. * * @return mixed (array/string) The headers on success or (object) pear_error on failure * @access public * @since 0.3 * @see getHeaderRaw() * @see getBodyRaw() */ function getArticleRaw($article, $implode = true) { $data = $this->cmdArticle($article); if (PEAR::isError($data)) { return $data; } if ($implode == true) { $data = implode("\r\n", $data); } return $data; } // }}} // {{{ getArticle() /** * Get an article (deprecated) * * @param mixed $article Either the message-id or the message-number on the server of the article to fetch. * * @return mixed (string) The headers on success or (object) pear_error on failure * @access public * @deprecated Use getArticleRaw() instead */ function getArticle($article) { return $this->getArticleRaw($article); } function get_article($article) { return $this->getArticle($article); } // }}} // {{{ getHeaderRaw() /** * Get the headers of an article (raw data) * * @param mixed $article Either the (string) message-id or the (int) message-number on the server of the article to fetch. * @param bool $implode When true the result array is imploded to a string, defaults to true. * * @return mixed (array/string) headers on success or (object) pear_error on failure * @access public * @since 0.3 * @see getArticleRaw() * @see getBodyRaw() */ function getHeaderRaw($article, $implode = true) { $data = $this->cmdHead($article); if (PEAR::isError($data)) { return $data; } if ($implode == true) { $data = implode("\r\n", $data); } return $data; } // }}} // {{{ getHeaders() /** * Get the headers of an article (deprecated) * * @param mixed $article Either the (string) message-id or the (int) message-number on the server of the article to fetch. * * @return mixed (string) headers on success or (object) pear_error on failure * @access public * @deprecated Use getHeaderRaw() instead */ function getHeaders($article) { return $this->getHeaderRaw($article); } function get_headers($article) { return $this->getHeaders($article); } // }}} // {{{ getBodyRaw() /** * Get the body of an article (raw data) * * @param mixed $article Either the message-id or the message-number on the server of the article to fetch. * @param bool $implode When true the result array is imploded to a string, defaults to true. * * @return mixed (array/string) headers on success or (object) pear_error on failure * @access public * @since 0.3 * @see getHeaderRaw() * @see getArticleRaw() */ function getBodyRaw($article, $implode = true) { $data = $this->cmdBody($article); if (PEAR::isError($data)) { return $data; } if ($implode == true) { $data = implode("\r\n", $data); } return $data; } // }}} // {{{ getBody() /** * Get the body of an article (deprecated) * * @param mixed $article Either the message-id or the message-number on the server of the article to fetch. * * @return mixed (string) headers on success or (object) pear_error on failure * @access public * @deprecated Use getBodyRaw() instead */ function getBody($article) { return $this->getBodyRaw($article); } function get_body($article) { return $this->getBody($article); } // }}} // {{{ getDate() /** * Get the NNTP-server's internal date * * Get the date from the newsserver format of returned date: * * @param optional int $format * - 0: $date - timestamp * - 1: $date['y'] - year * $date['m'] - month * $date['d'] - day * * @return mixed (mixed) date on success or (object) pear_error on failure * @access public * @since 0.3 */ function getDate($format = 1) { $date = $this->cmdDate(); if (PEAR::isError($date)) { return $date; } switch ($format) { case 1: return array('y' => substr($date, 0, 4), 'm' => substr($date, 4, 2), 'd' => substr($date, 6, 2)); break; case 0: default: return $date; break; } } // }}} // {{{ date() /** * @return mixed (array) date on success or (object) pear_error on failure * @access public * * @deprecated Use getDate() instead */ function date() { return $this->getDate(); } // }}} // {{{ count() /** * Number of articles in currently selected group * * @return integer count * @access public * @since 0.3 * @see Net_NNTP::selectGroup() * @see Net_NNTP::group() * @see Net_NNTP::first() * @see Net_NNTP::last() */ function count() { return $this->_currentGroup['count']; } // }}} // {{{ last() /** * Maximum article number in current group * * @return integer maximum * @access public * @since 0.3 * @see Net_NNTP::selectGroup() * @see Net_NNTP::group() * @see Net_NNTP::first() * @see Net_NNTP::count() */ function last() { return $this->_currentGroup['last']; } // }}} // {{{ max() /** * @return integer maximum * @access public * * @deprecated Use last() instead */ function max() { return $this->last(); } // }}} // {{{ first() /** * Minimum article number in current group * * @return integer minimum * @access public * @since 0.3 * @see Net_NNTP::selectGroup() * @see Net_NNTP::group() * @see Net_NNTP::last() * @see Net_NNTP::count() */ function first() { return $this->_currentGroup['first']; } // }}} // {{{ min() /** * @return integer minimum * @access public * * @deprecated Use first() instead */ function min() { return $this->first(); } // }}} // {{{ group() /** * Currently selected group * * @return string group * @access public * @since 0.3 * @see Net_NNTP::selectGroup() * @see Net_NNTP::first() * @see Net_NNTP::last() * @see Net_NNTP::count() */ function group() { return $this->_currentGroup['group']; } // }}} // {{{ splitHeaders() /** * Get the headers of an article from the currently open connection, and parse them into a keyed array. * * @param mixed $article Either the (string) message-id or the (int) message-number on the server of the article to fetch. * * @return mixed (array) Assoc array with headers names as key on success or (object) pear_error on failure * @access public */ function splitHeaders($article) { // Retrieve headers $headers = $this->getHeaderRaw($article, false); if (PEAR::isError($headers)) { return PEAR::throwError($headers); } $return = array(); // Loop through all header field lines foreach ($headers as $field) { // Separate header name and value if (!preg_match('/([\S]+)\:\s*(.*)\s*/', $field, $matches)) { // Fail... } $name = $matches[1]; $value = $matches[2]; unset($matches); // Add header to $return array if (isset($return[$name]) AND is_array($return[$name])) { // The header name has already been used at least two times. $return[$name][] = $value; } elseif (isset($return[$name])) { // The header name has already been used one time -> change to nedted values. $return[$name] = array($return[$name], $value); } else { // The header name has not used until now. $return[$name] = $value; } } return $return; } function split_headers($article) { return $this->splitHeaders($article); } // }}} // {{{ responseCode() /** * returns the response code of a newsserver command * * @param string $response newsserver answer * * @return integer response code * @access public * * @deprecated */ function responseCode($response) { $parts = explode(' ', ltrim($response), 2); return (int) $parts[0]; } // }}} // {{{ _getData() /** * Get data until a line with only a '.' in it is read and return data. * * @return mixed (string) data on success or (object) pear_error on failure * @access private * * @deprecated Use _getTextResponse() instead */ function _getData() { return $this->_getTextResponse(); } function get_data() { return $this->_getData(); } // }}} // {{{ command() /** * Issue a command to the NNTP server * * @param string $cmd The command to launch, ie: "ARTICLE 1004853" * * @return mixed (int) response code on success or (object) pear_error on failure * @access public */ function command($cmd) { $code = $this->_sendCommand($cmd); if (PEAR::isError($code)) { return PEAR::throwError($code); } return $code.' '.$this->currentStatusResponse()."\r\n"; } // }}} } // }}} ?>
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