wikibot.classes.php

<?PHP
	/**
	 * @author Cobi Carter
	 **/
	
	/**
	 * This class is designed to provide a simplified interface to cURL which maintains cookies.
	 * @author Cobi
	 **/
	class http {
		private $ch;
		private $uid;
		public $postfollowredirs;
		public $getfollowredirs;

		/**
		 * Our constructor function.  This just does basic cURL initialization.
		 * @return void
		 **/
		function __construct () {
			global $proxyhost, $proxyport, $proxytype;
			$this->ch = curl_init();
			$this->uid = dechex(rand(0,99999999));
			curl_setopt($this->ch,CURLOPT_COOKIEJAR,'/tmp/cluewikibot.cookies.'.$this->uid.'.dat');
			curl_setopt($this->ch,CURLOPT_COOKIEFILE,'/tmp/cluewikibot.cookies.'.$this->uid.'.dat');
			curl_setopt($this->ch,CURLOPT_MAXCONNECTS,100);
			curl_setopt($this->ch,CURLOPT_CLOSEPOLICY,CURLCLOSEPOLICY_LEAST_RECENTLY_USED);
			curl_setopt($this->ch,CURLOPT_USERAGENT,'ClueBot/1.1');
			if (isset($proxyhost) and isset($proxyport) and ($proxyport != null) and ($proxyhost != null)) {
				curl_setopt($this->ch,CURLOPT_PROXYTYPE,isset( $proxytype ) ? $proxytype : CURLPROXY_HTTP);
				curl_setopt($this->ch,CURLOPT_PROXY,$proxyhost);
				curl_setopt($this->ch,CURLOPT_PROXYPORT,$proxyport);
			}
			$this->postfollowredirs = 0;
			$this->getfollowredirs = 1;
		}

		/**
		 * Post to a URL.
		 * @param $url The URL to post to.
		 * @param $data The post-data to post, should be an array of key => value pairs.
		 * @return Data retrieved from the POST request.
		 **/
		function post ($url,$data) {
			$time = microtime(1);
			curl_setopt($this->ch,CURLOPT_URL,$url);
			curl_setopt($this->ch,CURLOPT_FOLLOWLOCATION,$this->postfollowredirs);
			curl_setopt($this->ch,CURLOPT_MAXREDIRS,10);
			curl_setopt($this->ch,CURLOPT_HEADER,0);
			curl_setopt($this->ch,CURLOPT_RETURNTRANSFER,1);
			curl_setopt($this->ch,CURLOPT_TIMEOUT,30);
			curl_setopt($this->ch,CURLOPT_CONNECTTIMEOUT,10);
			curl_setopt($this->ch,CURLOPT_POST,1);
			curl_setopt($this->ch,CURLOPT_POSTFIELDS, $data);
			curl_setopt($this->ch,CURLOPT_HTTPHEADER, array('Expect:'));
			$data = curl_exec($this->ch);
			global $logfd; if (!is_resource($logfd)) $logfd = fopen('php://stderr','w'); fwrite($logfd,'POST: '.$url.' ('.(microtime(1) - $time).' s) ('.strlen($data)." b)\n");
			return $data;
		}

		/**
		 * Get a URL.
		 * @param $url The URL to get.
		 * @return Data retrieved from the GET request.
		 **/
		function get ($url) {
			$time = microtime(1);
			curl_setopt($this->ch,CURLOPT_URL,$url);
			curl_setopt($this->ch,CURLOPT_FOLLOWLOCATION,$this->getfollowredirs);
			curl_setopt($this->ch,CURLOPT_MAXREDIRS,10);
			curl_setopt($this->ch,CURLOPT_HEADER,0);
			curl_setopt($this->ch,CURLOPT_RETURNTRANSFER,1);
			curl_setopt($this->ch,CURLOPT_TIMEOUT,30);
			curl_setopt($this->ch,CURLOPT_CONNECTTIMEOUT,10);
			curl_setopt($this->ch,CURLOPT_HTTPGET,1);
			$data = curl_exec($this->ch);
			global $logfd; if (!is_resource($logfd)) $logfd = fopen('php://stderr','w'); fwrite($logfd,'GET: '.$url.' ('.(microtime(1) - $time).' s) ('.strlen($data)." b)\n");
			return $data;
		}

		/**
		 * Our destructor.  Cleans up cURL and unlinks temporary files.
		 **/
		function __destruct () {
			curl_close($this->ch);
			// @unlink('/tmp/cluewikibot.cookies.'.$this->uid.'.dat');
		}
	}

	/**
	 * This class is a deprecated wrapper class which allows legacy code written for Wikipedia's query.php API to still work with wikipediaapi::.
	 **/
	class wikipediaquery {
		private $http;
		private $api;
		public $queryurl = 'http://en.wikipedia.org/w/query.php'; //Obsolete, but kept for compatibility purposes.

		/**
		 * This is our constructor.
		 * @return void
		 **/
		function __construct () {
			global $__wp__http;
			if (!isset($__wp__http)) {
				$__wp__http = new http;
			}
			$this->http = &$__wp__http;
			$this->api = new wikipediaapi;
		}

		/**
		 * Reinitializes the queryurl.
		 * @private
		 * @return void
		 **/
		private function checkurl() {
			$this->api->apiurl = str_replace('query.php','api.php',$this->queryurl);
		}

		/**
		 * Gets the content of a page.
		 * @param $page The wikipedia page to fetch.
		 * @return The wikitext for the page.
		 **/
		function getpage ($page) {
			$this->checkurl();
			$ret = $this->api->revisions($page,1,'older',true,null,true,false,false,false);
			return $ret[0]['*'];
		}

		/**
		 * Gets the page id for a page.
		 * @param $page The wikipedia page to get the id for.
		 * @return The page id of the page.
		 **/
		function getpageid ($page) {
			$this->checkurl();
			$ret = $this->api->revisions($page,1,'older',false,null,true,false,false,false);
			return $ret['pageid'];
		}

		/**
		 * Gets the number of contributions a user has.
		 * @param $user The username for which to get the edit count.
		 * @return The number of contributions the user has.
		 **/
		function contribcount ($user) {
			$this->checkurl();
			$ret = $this->api->users($user,1,null,true);
			if ($ret !== false) return $ret[0]['editcount'];
			return false;
		}
	}

	/**
	 * This class is for interacting with Wikipedia's api.php API.
	 **/
	class wikipediaapi {
		private $http;
		private $edittoken;
		private $tokencache;
		private $user, $pass;
		public $apiurl = 'http://en.wikipedia.org/w/api.php';

		/**
		 * This is our constructor.
		 * @return void
		 **/
		function __construct () {
			global $__wp__http;
			if (!isset($__wp__http)) {
				$__wp__http = new http;
			}
			$this->http = &$__wp__http;
		}

		/**
		 * This function takes a username and password and logs you into wikipedia.
		 * @param $user Username to login as.
		 * @param $pass Password that corrisponds to the username.
		 * @return void
		 **/
		function login ($user,$pass) {
			$this->user = $user;
			$this->pass = $pass;
			$x = unserialize($this->http->post($this->apiurl.'?action=login&format=php',array('lgname' => $user, 'lgpassword' => $pass)));
			var_export($x);
			if($x['login']['result'] == 'Success')
				return true;
			if($x['login']['result'] == 'NeedToken') {
				$x = unserialize($this->http->post($this->apiurl.'?action=login&format=php',array('lgname' => $user, 'lgpassword' => $pass, 'lgtoken' => $x['login']['token'])));
				var_export($x);
				if($x['login']['result'] == 'Success')
					return true;
			}
			return false;
		}

		/**
		 * This function returns the edit token.
		 * @return Edit token.
		 **/
		function getedittoken () {
			$tokens = $this->gettokens('Main Page');
			if ($tokens['edittoken'] == '') $tokens = $this->gettokens('Main Page',true);
			$this->edittoken = $tokens['edittoken'];
			return $tokens['edittoken'];
		}

		/**
		 * This function returns the various tokens for a certain page.
		 * @param $title Page to get the tokens for.
		 * @param $flush Optional - internal use only.  Flushes the token cache.
		 * @return An associative array of tokens for the page.
		 **/
		function gettokens ($title,$flush = false) {
			if (!is_array($this->tokencache)) $this->tokencache = array();
			foreach ($this->tokencache as $t => $data) if (time() - $data['timestamp'] > 6*60*60) unset($this->tokencache[$t]);
			if (isset($this->tokencache[$title]) && (!$flush)) {
				return $this->tokencache[$title]['tokens'];
			} else {
				$tokens = array();
				$x = $this->http->get($this->apiurl.'?action=query&format=php&prop=info&intoken=edit|delete|protect|move|block|unblock|email&titles='.urlencode($title));
				$x = unserialize($x);
				foreach ($x['query']['pages'] as $y) {
					$tokens['edittoken'] = $y['edittoken'];
					$tokens['deletetoken'] = $y['deletetoken'];
					$tokens['protecttoken'] = $y['protecttoken'];
					$tokens['movetoken'] = $y['movetoken'];
					$tokens['blocktoken'] = $y['blocktoken'];
					$tokens['unblocktoken'] = $y['unblocktoken'];
					$tokens['emailtoken'] = $y['emailtoken'];
					$this->tokencache[$title] = array(
							'timestamp' => time(),
							'tokens' => $tokens
									 );
					return $tokens;
				}
			}
		}

		/**
		 * This function returns the recent changes for the wiki.
		 * @param $count The number of items to return. (Default 10)
		 * @param $namespace The namespace ID to filter items on. Null for no filtering. (Default null)
		 * @param $dir The direction to pull items.  "older" or "newer".  (Default 'older')
		 * @param $ts The timestamp to start at.  Null for the beginning/end (depending on direction).  (Default null)
		 * @return Associative array of recent changes metadata.
		 **/
		function recentchanges ($count = 10,$namespace = null,$dir = 'older',$ts = null) {
			$append = '';
			if ($ts !== null) { $append .= '&rcstart='.urlencode($ts); }
			$append .= '&rcdir='.urlencode($dir);
			if ($namespace !== null) { $append .= '&rcnamespace='.urlencode($namespace); }
			$x = $this->http->get($this->apiurl.'?action=query&list=recentchanges&rcprop=user|comment|flags|timestamp|title|ids|sizes&format=php&rclimit='.$count.$append);
			$x = unserialize($x);
			return $x['query']['recentchanges'];
		}

		/**
		 * This function returns search results from Wikipedia's internal search engine.
		 * @param $search The query string to search for.
		 * @param $limit The number of results to return. (Default 10)
		 * @param $offset The number to start at.  (Default 0)
		 * @param $namespace The namespace ID to filter by.  Null means no filtering.  (Default 0)
		 * @param $what What to search, 'text' or 'title'.  (Default 'text')
		 * @param $redirs Whether or not to list redirects.  (Default false)
		 * @return Associative array of search result metadata.
		 **/
		function search ($search,$limit = 10,$offset = 0,$namespace = 0,$what = 'text',$redirs = false) {
			$append = '';
			if ($limit != null) $append .= '&srlimit='.urlencode($limit);
			if ($offset != null) $append .= '&sroffset='.urlencode($offset);
			if ($namespace != null) $append .= '&srnamespace='.urlencode($namespace);
			if ($what != null) $append .= '&srwhat='.urlencode($what);
			if ($redirs == true) $append .= '&srredirects=1';
			else $append .= '&srredirects=0';
			$x = $this->http->get($this->apiurl.'?action=query&list=search&format=php&srsearch='.urlencode($search).$append);
			$x = unserialize($x);
			return $x['query']['search'];
		}

		/**
		 * Retrieve entries from the WikiLog.
		 * @param $user Username who caused the entry.  Null means anyone.  (Default null)
		 * @param $title Object to which the entry refers.  Null means anything.  (Default null)
		 * @param $limit Number of entries to return.  (Default 50)
		 * @param $type Type of logs.  Null means any type.  (Default null)
		 * @param $start Date to start enumerating logs.  Null means beginning/end depending on $dir.  (Default null)
		 * @param $end Where to stop enumerating logs.  Null means whenever limit is satisfied or there are no more logs.  (Default null)
		 * @param $dir Direction to enumerate logs.  "older" or "newer".  (Default 'older')
		 * @return Associative array of logs metadata.
		 **/
		function logs ($user = null,$title = null,$limit = 50,$type = null,$start = null,$end = null,$dir = 'older') {
			$append = '';
			if ($user != null) $append.= '&leuser='.urlencode($user);
			if ($title != null) $append.= '&letitle='.urlencode($title);
			if ($limit != null) $append.= '&lelimit='.urlencode($limit);
			if ($type != null) $append.= '&letype='.urlencode($type);
			if ($start != null) $append.= '&lestart='.urlencode($start);
			if ($end != null) $append.= '&leend='.urlencode($end);
			if ($dir != null) $append.= '&ledir='.urlencode($dir);
			$x = $this->http->get($this->apiurl.'?action=query&format=php&list=logevents&leprop=ids|title|type|user|timestamp|comment|details'.$append);
			$x = unserialize($x);
			return $x['query']['logevents'];
		}

		/**
		 * Retrieves metadata about a user's contributions.
		 * @param $user Username whose contributions we want to retrieve.
		 * @param $count Number of entries to return.  (Default 50)
		 * @param[in,out] $continue Where to continue enumerating if part of a larger, split request.  This is filled with the next logical continuation value.  (Default null)
		 * @param $dir Which direction to enumerate from, "older" or "newer".  (Default 'older')
		 * @return Associative array of contributions metadata.
		 **/
		function usercontribs ($user,$count = 50,&$continue = null,$dir = 'older') {
			if ($continue != null) {
				$append = '&ucstart='.urlencode($continue);
			} else {
				$append = '';
			}
			$x = $this->http->get($this->apiurl.'?action=query&format=php&list=usercontribs&ucuser='.urlencode($user).'&uclimit='.urlencode($count).'&ucdir='.urlencode($dir).$append);
			$x = unserialize($x);
			$continue = $x['query-continue']['usercontribs']['ucstart'];
			return $x['query']['usercontribs'];
		}

		/**
		 * Returns revision data (meta and/or actual).
		 * @param $page Page for which to return revision data for.
		 * @param $count Number of revisions to return. (Default 1)
		 * @param $dir Direction to start enumerating multiple revisions from, "older" or "newer". (Default 'older')
		 * @param $content Whether to return actual revision content, true or false.  (Default false)
		 * @param $revid Revision ID to start at.  (Default null)
		 * @param $wait Whether or not to wait a few seconds for the specific revision to become available.  (Default true)
		 * @param $getrbtok Whether or not to retrieve a rollback token for the revision.  (Default false)
		 * @param $dieonerror Whether or not to kill the process with an error if an error occurs.  (Default false)
		 * @param $redirects Whether or not to follow redirects.  (Default false)
		 * @return Associative array of revision data.
		 **/
		function revisions ($page,$count = 1,$dir = 'older',$content = false,$revid = null,$wait = true,$getrbtok = false,$dieonerror = true,$redirects = false) {
			$x = $this->http->get($this->apiurl.'?action=query&prop=revisions&titles='.urlencode($page).'&rvlimit='.urlencode($count).'&rvprop=timestamp|ids|user|comment'.(($content)?'|content':'').'&format=php&meta=userinfo&rvdir='.urlencode($dir).(($revid !== null)?'&rvstartid='.urlencode($revid):'').(($getrbtok == true)?'&rvtoken=rollback':'').(($redirects == true)?'&redirects':''));
			$x = unserialize($x);
			if ($revid !== null) {
				$found = false;
				if (!isset($x['query']['pages']) or !is_array($x['query']['pages'])) {
					if ($dieonerror == true) die('No such page.'."\n");
					else return false;
				}
				foreach ($x['query']['pages'] as $data) {
					if (!isset($data['revisions']) or !is_array($data['revisions'])) {
						if ($dieonerror == true) die('No such page.'."\n");
						else return false;
					}
					foreach ($data['revisions'] as $data2) if ($data2['revid'] == $revid) $found = true;
					unset($data,$data2);
					break;
				}

				if ($found == false) {
					if ($wait == true) {
						sleep(1);
						return $this->revisions($page,$count,$dir,$content,$revid,false,$getrbtok,$dieonerror);
					} else {
						if ($dieonerror == true) die('Revision error.'."\n");
					}
				}
			}
			foreach ($x['query']['pages'] as $key => $data) {
				$data['revisions']['ns'] = $data['ns'];
				$data['revisions']['title'] = $data['title'];
				$data['revisions']['currentuser'] = $x['query']['userinfo']['name'];
//				$data['revisions']['currentuser'] = $x['query']['userinfo']['currentuser']['name'];
				$data['revisions']['continue'] = $x['query-continue']['revisions']['rvstartid'];
				$data['revisions']['pageid'] = $key;
				return $data['revisions'];
			}
		}

		/**
		 * Enumerates user metadata.
		 * @param $start The username to start enumerating from.  Null means from the beginning.  (Default null)
		 * @param $limit The number of users to enumerate.  (Default 1)
		 * @param $group The usergroup to filter by.  Null means no filtering.  (Default null)
		 * @param $requirestart Whether or not to require that $start be a valid username.  (Default false)
		 * @param[out] $continue This is filled with the name to continue from next query.  (Default null)
		 * @return Associative array of user metadata.
		 **/
		function users ($start = null,$limit = 1,$group = null,$requirestart = false,&$continue = null) {
			$append = '';
			if ($start != null) $append .= '&aufrom='.urlencode($start);
			if ($group != null) $append .= '&augroup='.urlencode($group);
			$x = $this->http->get($this->apiurl.'?action=query&list=allusers&format=php&auprop=blockinfo|editcount|registration|groups&aulimit='.urlencode($limit).$append);
			$x = unserialize($x);
			$continue = $x['query-continue']['allusers']['aufrom'];
			if (($requirestart == true) and ($x['query']['allusers'][0]['name'] != $start)) return false;
			return $x['query']['allusers'];
		}

		/**
		 * Get members of a category.
		 * @param $category Category to enumerate from.
		 * @param $count Number of members to enumerate.  (Default 500)
		 * @param[in,out] $continue Where to continue enumerating from.  This is automatically filled in when run.  (Default null)
		 * @return Associative array of category member metadata.
		 **/
		function categorymembers ($category,$count = 500,&$continue = null) {
			if ($continue != null) {
				$append = '&cmcontinue='.urlencode($continue);
			} else {
				$append = '';
			}
			$category = 'Category:'.str_ireplace('category:','',$category);
			$x = $this->http->get($this->apiurl.'?action=query&list=categorymembers&cmtitle='.urlencode($category).'&format=php&cmlimit='.$count.$append);
			$x = unserialize($x);
			$continue = $x['query-continue']['categorymembers']['cmcontinue'];
			return $x['query']['categorymembers'];
		}

		/**
		 * Enumerate all categories.
		 * @param[in,out] $start Where to start enumerating.  This is updated automatically with the value to continue from.  (Default null)
		 * @param $limit Number of categories to enumerate.  (Default 50)
		 * @param $dir Direction to enumerate in.  'ascending' or 'descending'.  (Default 'ascending')
		 * @param $prefix Only enumerate categories with this prefix.  (Default null)
		 * @return Associative array of category list metadata.
		 **/
		function listcategories (&$start = null,$limit = 50,$dir = 'ascending',$prefix = null) {
			$append = '';
			if ($start != null) $append .= '&acfrom='.urlencode($start);
			if ($limit != null) $append .= '&aclimit='.urlencode($limit);
			if ($dir != null) $append .= '&acdir='.urlencode($dir);
			if ($prefix != null) $append .= '&acprefix='.urlencode($prefix);

			$x = $this->http->get($this->apiurl.'?action=query&list=allcategories&acprop=size&format=php'.$append);
			$x = unserialize($x);

			$start = $x['query-continue']['allcategories']['acfrom'];

			return $x['query']['allcategories'];
		}

		/**
		 * Enumerate all backlinks to a page.
		 * @param $page Page to search for backlinks to.
		 * @param $count Number of backlinks to list.  (Default 500)
		 * @param[in,out] $continue Where to start enumerating from.  This is automatically filled in.  (Default null)
		 * @param $filter Whether or not to include redirects.  Acceptible values are 'all', 'redirects', and 'nonredirects'.  (Default null)
		 * @return Associative array of backlink metadata.
		 **/
		function backlinks ($page,$count = 500,&$continue = null,$filter = null) {
			if ($continue != null) {
				$append = '&blcontinue='.urlencode($continue);
			} else {
				$append = '';
			}
			if ($filter != null) {
				$append .= '&blfilterredir='.urlencode($filter);
			}

			$x = $this->http->get($this->apiurl.'?action=query&list=backlinks&bltitle='.urlencode($page).'&format=php&bllimit='.$count.$append);
			$x = unserialize($x);
			$continue = $x['query-continue']['backlinks']['blcontinue'];
			return $x['query']['backlinks'];
		}

		/**
		 * Gets a list of transcludes embedded in a page.
		 * @param $page Page to look for transcludes in.
		 * @param $count Number of transcludes to list.  (Default 500)
		 * @param[in,out] $continue Where to start enumerating from.  This is automatically filled in.  (Default null)
		 * @return Associative array of transclude metadata.
		 **/
		function embeddedin ($page,$count = 500,&$continue = null) {
			if ($continue != null) {
				$append = '&eicontinue='.urlencode($continue);
			} else {
				$append = '';
			}
			$x = $this->http->get($this->apiurl.'?action=query&list=embeddedin&eititle='.urlencode($page).'&format=php&eilimit='.$count.$append);
			$x = unserialize($x);
			$continue = $x['query-continue']['embeddedin']['eicontinue'];
			return $x['query']['embeddedin'];
		}

		/**
		 * Gets a list of pages with a common prefix.
		 * @param $prefix Common prefix to search for.
		 * @param $namespace Numeric namespace to filter on.  (Default 0)
		 * @param $count Number of pages to list.  (Default 500)
		 * @param[in,out] $continue Where to start enumerating from.  This is automatically filled in.  (Default null)
		 * @return Associative array of page metadata.
		 **/
		function listprefix ($prefix,$namespace = 0,$count = 500,&$continue = null) {
			$append = '&apnamespace='.urlencode($namespace);
			if ($continue != null) {
				$append .= '&apfrom='.urlencode($continue);
			}
			$x = $this->http->get($this->apiurl.'?action=query&list=allpages&apprefix='.urlencode($prefix).'&format=php&aplimit='.$count.$append);
			$x = unserialize($x);
			$continue = $x['query-continue']['allpages']['apfrom'];
			return $x['query']['allpages'];
		}

		/**
		 * Edits a page.
		 * @param $page Page name to edit.
		 * @param $data Data to post to page.
		 * @param $summary Edit summary to use.
		 * @param $minor Whether or not to mark edit as minor.  (Default false)
		 * @param $bot Whether or not to mark edit as a bot edit.  (Default true)
		 * @param $wpStarttime Time in MW TS format of beginning of edit.  (Default now)
		 * @param $wpEdittime Time in MW TS format of last edit to that page.  (Default correct)
		 * @return boolean True on success, false on failure.
		 **/
		function edit ($page,$data,$summary = '',$minor = false,$bot = true,$wpStarttime = null,$wpEdittime = null,$checkrun = true) {
			global $run, $user;

			$wpq = new wikipediaquery; $wpq->queryurl = str_replace('api.php','query.php',$this->apiurl);

			if ($checkrun == true)
				if (!preg_match('/(yes|enable|true)/iS',((isset($run))?$run:$wpq->getpage('User:'.$user.'/Run'))))
					return false; /* Check /Run page */

			$params = Array(
				'action' => 'edit',
				'format' => 'php',
				'assert' => 'bot',
				'title' => $page,
				'text' => $data,
				'token' => $this->getedittoken(),
				'summary' => $summary,
				($minor?'minor':'notminor') => '1',
				($bot?'bot':'notbot') => '1'
			);

			if ($wpStarttime !== null) $params['starttimestamp'] = $wpStarttime;
			if ($wpEdittime !== null) $params['basetimestamp'] = $wpEdittime;

			$x = $this->http->post($this->apiurl,$params);
			$x = unserialize($x);
			var_export($x);
			if ($x['edit']['result'] == 'Success') return true;
			if ($x['error']['code'] == 'badtoken') {
				$this->gettokens('Main Page',true);
				if( $this->getedittoken() == '' ) {
					if($this->login($this->user,$this->pass))
						$this->gettokens('Main Page',true);
					else {
						echo "\n\n" . 'Bah!  Could not login!' . "\n\n";
						return false;
					}
				}
				return $this->edit($page,$data,$summary,$minor,$bot,$wpStarttime,$wpEdittime,$checkrun);
			}
			else return false;
		}

		/**
		 * Moves a page.
		 * @param $old Name of page to move.
		 * @param $new New page title.
		 * @param $reason Move summary to use.
		 * @return void
		 **/
		function move ($old,$new,$reason) {
			$tokens = $this->gettokens($old);
			$params = array(
				'action' => 'move',
				'format' => 'php',
				'from' => $old,
				'to' => $new,
				'token' => $tokens['movetoken'],
				'reason' => $reason
			);

			$x = $this->http->post($this->apiurl,$params);
			$x = unserialize($x);
			var_export($x);
		}

		/**
		 * Rollback an edit.
		 * @param $title Title of page to rollback.
		 * @param $user Username of last edit to the page to rollback.
		 * @param $reason Edit summary to use for rollback.
		 * @param $token Rollback token.  If not given, it will be fetched.  (Default null)
		 * @return void
		 **/
		function rollback ($title,$user,$reason,$token = null) {
			if (($token == null) or ($token == '')) {
				$token = $this->revisions($title,1,'older',false,null,true,true);
				print_r($token);
				if ($token[0]['user'] == $user) {
					$token = $token[0]['rollbacktoken'];
				} else {
					return false;
				}
			}
			$params = array(
				'action' => 'rollback',
				'format' => 'php',
				'title' => $title,
				'user' => $user,
				'summary' => $reason,
				'token' => $token,
				'markbot' => 0
			);

			echo 'Posting to API: ';
			var_export($params);
			
			$x = $this->http->post($this->apiurl,$params);
			$x = unserialize($x);
			var_export($x);
			return ( isset($x['rollback']['summary']) and isset( $x[ 'rollback' ][ 'revid' ] ) and $x[ 'rollback' ][ 'revid' ] )
				? true
				: false;
		}
	}

	/**
	 * This class is for interacting with Wikipedia's browser interface, index.php.
	 * Many of these functions are deprecated.
	 **/
	class wikipediaindex {
		private $http;
		public $indexurl = 'http://en.wikipedia.org/w/index.php';
		private $postinterval = 0;
		private $lastpost;
		private $edittoken;

		/**
		 * This is our constructor.
		 * @return void
		 **/
		function __construct () {
			global $__wp__http;
			if (!isset($__wp__http)) {
				$__wp__http = new http;
			}
			$this->http = &$__wp__http;
		}

		/**
		 * Post data to a page, nicely.
		 * @param $page Page title.
		 * @param $data Data to post to page.
		 * @param $summery Edit summary.  (Default '')
		 * @param $minor Whether to mark edit as minor.  (Default false)
		 * @param $rv Revision data.  If not given, it will be fetched.  (Default null)
		 * @param $bot Whether to mark edit as bot.  (Default true)
		 * @return HTML data from the page.
		 * @deprecated
		 * @see wikipediaapi::edit
		 **/
		function post ($page,$data,$summery = '',$minor = false,$rv = null,$bot = true) {
			global $user;
			global $maxlag;
			global $irc;
			global $irctechchannel;
			global $run;
			global $maxlagkeepgoing;

			$wpq = new wikipediaquery; $wpq->queryurl = str_replace('index.php','query.php',$this->indexurl);
			$wpapi = new wikipediaapi; $wpapi->apiurl = str_replace('index.php','api.php',$this->indexurl);

			if ((!$this->edittoken) or ($this->edittoken == '')) $this->edittoken = $wpapi->getedittoken();
			if ($rv == null) $rv = $wpapi->revisions($page,1,'older',true);
			if (!$rv[0]['*']) $rv[0]['*'] = $wpq->getpage($page);

			//Fake the edit form.
			$now = gmdate('YmdHis', time());
			$token = htmlspecialchars($this->edittoken);
			$tmp = date_parse($rv[0]['timestamp']);
			$edittime = gmdate('YmdHis', gmmktime($tmp['hour'],$tmp['minute'],$tmp['second'],$tmp['month'],$tmp['day'],$tmp['year']));
			$html = "<input type='hidden' value=\"{$now}\" name=\"wpStarttime\" />\n";
			$html.= "<input type='hidden' value=\"{$edittime}\" name=\"wpEdittime\" />\n";
			$html.= "<input type='hidden' value=\"{$token}\" name=\"wpEditToken\" />\n";
			$html.= '<input name="wpAutoSummary" type="hidden" value="'.md5('').'" />'."\n";

			if (preg_match('/'.preg_quote('{{nobots}}','/').'/iS',$rv[0]['*'])) { return false; }		/* Honor the bots flags */
			if (preg_match('/'.preg_quote('{{bots|allow=none}}','/').'/iS',$rv[0]['*'])) { return false; }
			if (preg_match('/'.preg_quote('{{bots|deny=all}}','/').'/iS',$rv[0]['*'])) { return false; }
			if (preg_match('/'.preg_quote('{{bots|deny=','/').'(.*)'.preg_quote('}}','/').'/iS',$rv[0]['*'],$m)) { if (in_array(explode(',',$m[1]),$user)) { return false; } } /* /Honor the bots flags */
			if (!preg_match('/'.preg_quote($user,'/').'/iS',$rv['currentuser'])) { return false; } /* We need to be logged in */
//			if (preg_match('/'.preg_quote('You have new messages','/').'/iS',$rv[0]['*'])) { return false; } /* Check talk page */
			if (!preg_match('/(yes|enable|true)/iS',((isset($run))?$run:$wpq->getpage('User:'.$user.'/Run')))) { return false; } /* Check /Run page */

			$x = $this->forcepost($page,$data,$summery,$minor,$html,$maxlag,$maxlagkeepgoing,$bot); /* Go ahead and post. */
			$this->lastpost = time();
			return $x;
		}

		/**
		 * Post data to a page.
		 * @param $page Page title.
		 * @param $data Data to post to page.
		 * @param $summery Edit summary.  (Default '')
		 * @param $minor Whether to mark edit as minor.  (Default false)
		 * @param $edithtml HTML from the edit form.  If not given, it will be fetched.  (Default null)
		 * @param $maxlag Maxlag for posting.  (Default null)
		 * @param $mlkg Whether to keep going after encountering a maxlag error and sleeping or not.  (Default null)
		 * @param $bot Whether to mark edit as bot.  (Default true)
		 * @return HTML data from the page.
		 * @deprecated
		 * @see wikipediaapi::edit
		 **/
		function forcepost ($page,$data,$summery = '',$minor = false,$edithtml = null,$maxlag = null,$mlkg = null,$bot = true) {
			$post['wpSection'] = '';
			$post['wpScrolltop'] = '';
			if ($minor == true) { $post['wpMinoredit'] = 1; }
			$post['wpTextbox1'] = $data;
			$post['wpSummary'] = $summery;
			if ($edithtml == null) {
				$html = $this->http->get($this->indexurl.'?title='.urlencode($page).'&action=edit');
			} else {
				$html = $edithtml;
			}
			preg_match('|\<input type\=\\\'hidden\\\' value\=\"(.*)\" name\=\"wpStarttime\" /\>|U',$html,$m);
			$post['wpStarttime'] = $m[1];
			preg_match('|\<input type\=\\\'hidden\\\' value\=\"(.*)\" name\=\"wpEdittime\" /\>|U',$html,$m);
			$post['wpEdittime'] = $m[1];
			preg_match('|\<input type\=\\\'hidden\\\' value\=\"(.*)\" name\=\"wpEditToken\" /\>|U',$html,$m);
			$post['wpEditToken'] = $m[1];
			preg_match('|\<input name\=\"wpAutoSummary\" type\=\"hidden\" value\=\"(.*)\" /\>|U',$html,$m);
			$post['wpAutoSummary'] = $m[1];
			if ($maxlag != null) {
				$x = $this->http->post($this->indexurl.'?title='.urlencode($page).'&action=submit&maxlag='.urlencode($maxlag).'&bot='.(($bot == true)?'1':'0'),$post);
				if (preg_match('/Waiting for ([^ ]*): ([0-9.-]+) seconds lagged/S',$x,$lagged)) {
					global $irc;
					if (is_resource($irc)) {
						global $irctechchannel;
						foreach(explode(',',$irctechchannel) as $y) {
							fwrite($irc,'PRIVMSG '.$y.' :'.$lagged[1].' is lagged out by '.$lagged[2].' seconds. ('.$lagged[0].')'."\n");
						}
					}
					sleep(10);
					if ($mlkg != true) { return false; }
					else { $x = $this->http->post($this->indexurl.'?title='.urlencode($page).'&action=submit&bot='.(($bot == true)?'1':'0'),$post); }
				}
				return $x;
			} else {
				return $this->http->post($this->indexurl.'?title='.urlencode($page).'&action=submit&bot='.(($bot == true)?'1':'0'),$post);
			}
		}

		/**
		 * Get a diff.
		 * @param $title Page title to get the diff of.
		 * @param $oldid Old revision ID.
		 * @param $id New revision ID.
		 * @param $wait Whether or not to wait for the diff to become available.  (Default true)
		 * @return Array of added data, removed data, and a rollback token if one was fetchable.
		 **/
		function diff ($title,$oldid,$id,$wait = true) {
			$deleted = '';
			$added = '';

			$html = $this->http->get($this->indexurl.'?title='.urlencode($title).'&action=render&diff='.urlencode($id).'&oldid='.urlencode($oldid).'&diffonly=1');

			if (preg_match_all('/\&amp\;(oldid\=)(\d*)\\\'\>(Revision as of|Current revision as of)/USs', $html, $m, PREG_SET_ORDER)) {
				//print_r($m);
				if ((($oldid != $m[0][2]) and (is_numeric($oldid))) or (($id != $m[1][2]) and (is_numeric($id)))) {
					if ($wait == true) {
						sleep(1);
						return $this->diff($title,$oldid,$id,false);
					} else {
						echo 'OLDID as detected: '.$m[0][2].' Wanted: '.$oldid."\n";
						echo 'NEWID as detected: '.$m[1][2].' Wanted: '.$id."\n";
						echo $html;
						die('Revision error.'."\n");
					}
				}
			}
			
			if (preg_match_all('/\<td class\=(\"|\\\')diff-addedline\1\>\<div\>(.*)\<\/div\>\<\/td\>/USs', $html, $m, PREG_SET_ORDER)) {
				//print_r($m);
				foreach ($m as $x) {
					$added .= htmlspecialchars_decode(strip_tags($x[2]))."\n";
				}
			}

			if (preg_match_all('/\<td class\=(\"|\\\')diff-deletedline\1\>\<div\>(.*)\<\/div\>\<\/td\>/USs', $html, $m, PREG_SET_ORDER)) {
				//print_r($m);
				foreach ($m as $x) {
					$deleted .= htmlspecialchars_decode(strip_tags($x[2]))."\n";
				}
			}

			//echo $added."\n".$deleted."\n";

			if (preg_match('/action\=rollback\&amp\;from\=.*\&amp\;token\=(.*)\"/US', $html, $m)) {
				$rbtoken = $m[1];
				$rbtoken = urldecode($rbtoken);
//				echo 'rbtoken: '.$rbtoken.' -- '; print_r($m); echo "\n\n";
				return array($added,$deleted,$rbtoken);
			}

			return array($added,$deleted);
		}

		/**
		 * Rollback an edit.
		 * @param $title Page title to rollback.
		 * @param $user Username of last edit to the page to rollback.
		 * @param $reason Reason to rollback.  If null, default is generated.  (Default null)
		 * @param $token Rollback token to use.  If null, it is fetched.  (Default null)
		 * @param $bot Whether or not to mark as bot.  (Default true)
		 * @return HTML or false if failure.
		 * @deprecated
		 * @see wikipediaapi::rollback
		 **/
		function rollback ($title,$user,$reason = null,$token = null,$bot = true) {
			if (($token == null) or (!$token)) {
				$wpapi = new wikipediaapi; $wpapi->apiurl = str_replace('index.php','api.php',$this->indexurl);
				$token = $wpapi->revisions($title,1,'older',false,null,true,true);				
				if ($token[0]['user'] == $user) {
//					echo 'Token: '; print_r($token); echo "\n\n";
					$token = $token[0]['rollbacktoken'];
				} else {
					return false;
				}
			}
			$x = $this->http->get($this->indexurl.'?title='.urlencode($title).'&action=rollback&from='.urlencode($user).'&token='.urlencode($token).(($reason != null)?'&summary='.urlencode($reason):'').'&bot='.(($bot == true)?'1':'0'));
			global $logfd; if (!is_resource($logfd)) $logfd = fopen('php://stderr','w'); fwrite($logfd,'Rollback return: '.$x."\n");
			if (!preg_match('/action complete/iS',$x)) return false;
			return $x;
		}

		/**
		 * Move a page.
		 * @param $old Page title to move.
		 * @param $new New title to move to.
		 * @param $reason Move page summary.
		 * @return HTML page.
		 * @deprecated
		 * @see wikipediaapi::move
		 **/
		function move ($old,$new,$reason) {
			$wpapi = new wikipediaapi; $wpapi->apiurl = str_replace('index.php','api.php',$this->indexurl);
			if ((!$this->edittoken) or ($this->edittoken == '')) $this->edittoken = $wpapi->getedittoken();

			$token = htmlspecialchars($this->edittoken);

			$post = array
				(
					'wpOldTitle'	=> $old,
					'wpNewTitle'	=> $new,
					'wpReason'	=> $reason,
					'wpWatch'	=> '0',
					'wpEditToken'	=> $token,
					'wpMove'	=> 'Move page'
				);
			return $this->http->post($this->indexurl.'?title=Special:Movepage&action=submit',$post);
		}

		/**
		 * Uploads a file.
		 * @param $page Name of page on the wiki to upload as.
		 * @param $file Name of local file to upload.
		 * @param $desc Content of the file description page.
		 * @return HTML content.
		 **/
		function upload ($page,$file,$desc) {
			$post = array
				(
					'wpUploadFile'		=> '@'.$file,
					'wpSourceType'		=> 'file',
					'wpDestFile'		=> $page,
					'wpUploadDescription'	=> $desc,
					'wpLicense'		=> '',
					'wpWatchthis'		=> '0',
					'wpIgnoreWarning'	=> '1',
					'wpUpload'		=> 'Upload file'
				);
			return $this->http->post($this->indexurl.'?title=Special:Upload&action=submit',$post);
		}

		/**
		 * Check if a user has email enabled.
		 * @param $user Username to check whether or not the user has email enabled.
		 * @return True or false depending on whether or not the user has email enabled.
		 **/
		function hasemail ($user) {
			$tmp = $this->http->get($this->indexurl.'?title=Special:EmailUser&target='.urlencode($user));
			if (stripos($tmp,"No e-mail address") !== false) return false;
			return true;
		}

		/**
		 * Sends an email to a user.
		 * @param $user Username to send email to.
		 * @param $subject Subject of email to send.
		 * @param $body Body of email to send.
		 * @return HTML content.
		 **/
		function email ($user,$subject,$body) {
			$wpapi = new wikipediaapi; $wpapi->apiurl = str_replace('index.php','api.php',$this->indexurl);
			if ((!$this->edittoken) or ($this->edittoken == '')) $this->edittoken = $wpapi->getedittoken();

			$post = array
				(
					'wpSubject'	=> $subject,
					'wpText'	=> $body,
					'wpCCMe'	=> 0,
					'wpSend'	=> 'Send',
					'wpEditToken'	=> $this->edittoken
				);

			return $this->http->post($this->indexurl.'?title=Special:EmailUser&target='.urlencode($user).'&action=submit',$post);
		}
	}
?>