message.php

flashget43的源代码 一个比较常用的下载程序

<?php
	class Message {
		var $id = null;
		
		var $created = null;

		var $toconnid = null;
		var $touserid = null;
		var $toroomid = null;

		var $command = null;
		var $userid = null;
		var $roomid = null;
		var $txt = null;
		
		var $color = null;
		
		function Message($command, $userid = null, $roomid = null, $txt = null, $color = null) {
			$this->command = $command;
			$this->userid = $userid;
			$this->roomid = $roomid;
			$this->color = htmlColor($color);

			if(isset($txt)) {
				$this->txt = $this->parse($txt);
			}
		}
		
		function parse($txt) {
			if($this->command != 'usrp') {
				$txt = $this->replaceBadWord(htmlspecialchars($txt));
				if($this->command == 'msg') $txt = $this->parseURL($txt);
			}
			return $txt;
		}

		function replaceBadWord($inputString) {
			
			$replace_pairs = array( "&lt;" => " &lt;",
									"&gt;" => "&gt; "
									);
			$inputString = strtr ( $inputString, $replace_pairs);
			
			$pattern = array();
			$replacement = array();
			
			$keys = array_keys($GLOBALS['fc_config']['badWords']);
			for($i = 0; $i <  count($keys); $i++)
			{
				if(is_numeric($keys[$i])) 
				{
					$badword = $GLOBALS['fc_config']['badWords'][$keys[$i]];
					$replacement[$i] = ' '.$GLOBALS['fc_config']['badWordSubstitute'].' ';
				}
				else
				{
					$badword = $keys[$i];
					$replacement[$i] = ' '.$GLOBALS['fc_config']['badWords'][$keys[$i]].' ';
				}
				
				$badword = str_replace('*', '.?', $badword);
				if(substr($badword, 0, 1) != '.') $badword = '(^|\s+)'.$badword;
				if(substr($badword, -1) != '?') $badword = $badword.'($|\s+)';
				$pattern[$i] = '/'.$badword.'/i';
			}
			
			$prev_str = '';
			while(strcmp($prev_str,$inputString) != 0)
			{
				$prev_str = $inputString;
				$inputString = preg_replace($pattern, $replacement, $inputString);
			}
			$replace_pairs = array( " &lt;" => "&lt;",
									"&gt; " => "&gt;"
									);
			$inputString = strtr ( $inputString, $replace_pairs);
			
			return $inputString;
		}
		
		function parseURL($inputString) {
			$replace_pairs = array( "&lt;" => " &lt;",
									"&gt;" => "&gt; "
									);
			$inputString = strtr ( $inputString, $replace_pairs);
			
			$inputTokens = explode(" ", $inputString);
			$input = "";
			foreach( $inputTokens as $token ) 
			{
				//smallest URL assumpted as [e-mail]
				if(strlen($token) > 5) 
				{
					// check for email address
					if (strpos($token, "@") !== false)
					{
						if(strpos($token, 'mailto:') === 0)
							$token = substr($token, 7);
						
						if(ereg("^([0-9,a-z,A-Z]+)([.,_]([0-9,a-z,A-Z]+))*[@]([0-9,a-z,A-Z]+)([.,_,-]([0-9,a-z,A-Z]+))*[.]([0-9,a-z,A-Z]){2}([0-9,a-z,A-Z])?$",$token))
							$token = "<a href=\"mailto:$token\" style=\"color:{$this->color}\"><u>$token</u></a>";
					}

					// check for https://, http://
					else if((($pos = strpos($token, "http://")) !== false) || 
							(($pos = strpos($token, "https://")) !== false)||
							(($pos = strpos($token, "ftp://")) !== false))
					{
						
						$pref = substr($token, 0, $pos);
						$link = substr($token, $pos);
											
						if(strlen($link) > 8) $token = "$pref<a href=\"$link\" target=\"_blank\" style=\"color:{$this->color}\"><u>$link</u></a>";
					}

					// check for www.
					else if(strpos($token, "www.") === 0) {
						$token = "<a href=\"http://$token\" target=\"_blank\" style=\"color:{$this->color}\"><u>$token</u></a>";
					}
				}
				
				$input .= $token." ";
			}
			
			$replace_pairs = array( " &lt;" => "&lt;",
									"&gt; " => "&gt;"
									);
			$input = strtr ( $input, $replace_pairs);
			
			return trim($input);
		}

		function toXML($tzoffset = 0) {
			$xml = "<{$this->command}";
			if($this->id) $xml .= " id=\"{$this->id}\"";
			if($this->touserid) $xml .= " a=\"{$this->touserid}\"";
			if($this->userid) $xml .= " u=\"{$this->userid}\"";
			if($this->roomid) $xml .= " r=\"{$this->roomid}\"";

			if($this->command == 'msgb') {
				$user = ChatServer::getUser($this->userid);
				$xml .= " l=\"{$user['login']}\"";
			}

			if($this->command == 'adu' || $this->command == 'lin') {
				$user = ChatServer::getUser($this->userid);
				$xml .= " rs=\"{$user['roles']}\"";
				//$xml .= " gn=\"{$user['gender']}\"";
				
				$gender = ChatServer::getGender($this->userid);
				$xml .= " gn=\"{$gender}\"";
			}
			
			if($this->created) $xml .= " t=\"" . format_Timestamp($this->created, $tzoffset) . "\"";
			if(isset($this->txt)) {
				$xml .= "><![CDATA[{$this->txt}]]></{$this->command}>";
			} else {
				$xml .= "/>";
			}
		
			return $xml;
		}
	}
?>