class.uebimiau_mail.php

极限网络智能办公系统—MYOA26—100％—源程序。

<?php

class uebimiau extends uebimiau_core
{

	var $_current_folder = "";
	var $_system_folders = array
	(
		0 => "inbox",
		1 => "trash",
		2 => "sent"
	);

	function uebimiau( )
	{
		$this->_sid = uniqid( "" );
	}

	function mail_connected( )
	{
		if ( !empty( $this->mail_connection ) )
		{
			$sock_status = @socket_get_status( $this->mail_connection );
			if ( $sock_status['eof'] )
			{
				@fclose( $this->mail_connection );
				return 0;
			}
			return 1;
		}
		return 0;
	}

	function mail_get_line( )
	{
		$buffer = chop( fgets( $this->mail_connection, 1024 ) );
		if ( $this->debug )
		{
			$sendtodebug = true;
			if ( eregi( "^(\\* )", $buffer ) || eregi( "^([A-Za-z0-9]+ (OK|NO|BAD))", $buffer ) || eregi( "^(\\+OK|\\-ERR)", $buffer ) )
			{
				$output = "<- <b>".htmlspecialchars( $buffer )."</b>";
			}
			else
			{
				$sendtodebug = 1 < $this->debug ? false : true;
				$output = htmlspecialchars( $buffer );
			}
			if ( $sendtodebug )
			{
				echo "<font style=\"font-size:12px; font-family: Courier New; background-color: white; color: black;\"> {$output}</font><br>\r\n";
			}
			flush( );
		}
		return $buffer;
	}

	function mail_send_command( $cmd )
	{
		if ( $this->mail_connected( ) )
		{
			$output = eregi( "^(PASS|LOGIN)", $cmd, $regs ) ? $regs[1]." ****" : $cmd;
			if ( $this->mail_protocol == "imap" )
			{
				$cmd = $this->_sid." ".$cmd;
				$output = $this->_sid." ".$output;
			}
			fwrite( $this->mail_connection, "{$cmd}\r\n" );
			if ( $this->debug )
			{
				echo "<font style=\"font-size:12px; font-family: Courier New; background-color: white; color: black;\">-&gt; <em><b>".htmlspecialchars( $output )."</b></em></font><br>\r\n";
				flush( );
			}
			return 1;
		}
		return 0;
	}

	function mail_connect( )
	{
		if ( $this->debug )
		{
			$i = 0;
			for ( ;	$i < 20;	++$i	)
			{
				echo "<!-- buffer sux -->\r\n";
			}
		}
		if ( !$this->mail_connected( ) )
		{
			$this->mail_connection = @fsockopen( $this->mail_server, $this->mail_port, $errno, $errstr, 15 );
			if ( $this->mail_connection )
			{
				$buffer = $this->mail_get_line( );
				if ( $this->mail_protocol == "imap" )
				{
					$regexp = "^([ ]?\\*[ ]?OK)";
				}
				else
				{
					$regexp = "^(\\+OK)";
				}
				if ( ereg( $regexp, $buffer ) )
				{
					return 1;
				}
				else
				{
					return 0;
				}
			}
			return 0;
		}
		else
		{
			return 1;
		}
	}

	function mail_auth( $checkfolders = false )
	{
		if ( $this->mail_connected( ) )
		{
			if ( $this->mail_protocol == "imap" )
			{
				$this->mail_send_command( "LOGIN ".$this->mail_user." ".$this->mail_pass );
				$buffer = $this->mail_get_line( );
				if ( ereg( "^(".$this->_sid." OK)", $buffer ) )
				{
					if ( $checkfolders )
					{
						$this->_check_folders( );
					}
					return 1;
				}
				else
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
			}
			else
			{
				$this->mail_send_command( "USER ".$this->mail_user );
				$buffer = $this->mail_get_line( );
				if ( ereg( "^(\\+OK)", $buffer ) )
				{
					$this->mail_send_command( "PASS ".$this->mail_pass );
					$buffer = $this->mail_get_line( );
					if ( ereg( "^(\\+OK)", $buffer ) )
					{
						if ( $checkfolders )
						{
							$this->_check_folders( );
						}
						return 1;
					}
					else
					{
						$this->mail_error_msg = $buffer;
						return 0;
					}
				}
				else
				{
					return 0;
				}
			}
		}
		return 0;
	}

	function _check_folders( )
	{
		$userfolder = $this->user_folder;
		$temporary_directory = $this->temp_folder;
		$idle_timeout = $this->timeout;
		if ( !file_exists( $this->user_folder ) && !mkdir( $this->user_folder, 511 ) )
		{
			exit( "<h1><br><br><br><center>{$error_permiss}</center></h1>" );
		}
		$boxes = $this->mail_list_boxes( );
		if ( $this->mail_protocol == "imap" )
		{
			$tmp = $this->_system_folders;
			$i = 0;
			for ( ;	$i < count( $boxes );	++$i	)
			{
				$current_folder = $boxes[$i]['name'];
				if ( in_array( strtolower( $current_folder ), $this->_system_folders ) )
				{
					$current_folder = strtolower( $current_folder );
				}
				while ( list( $index, $value ) = each( $tmp ) )
				{
					if ( strtolower( $current_folder ) == strtolower( $value ) )
					{
						unset( $tmp->$index );
					}
				}
				reset( $tmp );
			}
			while ( list( $index, $value ) = each( $tmp ) )
			{
				$this->mail_create_box( $value );
			}
			$i = 0;
			for ( ;	$i < count( $boxes );	++$i	)
			{
				$current_folder = $boxes[$i]['name'];
				if ( !!in_array( strtolower( $current_folder ), $this->_system_folders ) && file_exists( $this->user_folder.$current_folder ) )
				{
					mkdir( $this->user_folder.$current_folder, 511 );
				}
			}
		}
		$system_folders = array_merge( $this->_system_folders, array( "_attachments", "_infos" ) );
		while ( list( $index, $value ) = each( $tmp ) )
		{
			if ( !file_exists( $this->user_folder.$value ) )
			{
				if ( in_array( strtolower( $value ), $this->_system_folders ) )
				{
					$value = strtolower( $value );
				}
				mkdir( $this->user_folder.$value, 511 );
			}
		}
		$sessiondir = $temporary_directory."_sessions/";
		$all = opendir( $sessiondir );
		while ( $file = readdir( $all ) )
		{
			$thisfile = $sessiondir.$file;
			if ( is_file( $thisfile ) )
			{
				$idle = intval( ( time( ) - @filemtime( $thisfile ) ) / 60 );
				if ( $idle_timeout + 10 < $idle )
				{
					@unlink( $thisfile );
				}
			}
		}
		closedir( $all );
		unset( $all );
	}

	function mail_retr_msg( $msg, $check = 1 )
	{
		global $mail_use_top;
		global $appname;
		global $appversion;
		global $error_retrieving;
		$msgheader = $msg['header'];
		if ( $this->mail_protocol == "imap" )
		{
			if ( $check )
			{
				if ( strtolower( $this->_current_folder ) != strtolower( $msg['folder'] ) )
				{
					$boxinfo = $this->mail_select_box( $msg['folder'] );
				}
				$this->mail_send_command( "FETCH ".$msg['id'].":".$msg['id']." BODY.PEEK[HEADER.FIELDS (Message-Id)]" );
				$buffer = $this->mail_get_line( );
				if ( eregi( "^(".$this->_sid." (NO|BAD))", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				while ( !eregi( "^(".$this->_sid." OK)", $buffer ) )
				{
					if ( eregi( "message-id: (.*)", $buffer, $regs ) )
					{
						$current_id = ereg_replace( "<(.*)>", "\\1", $regs[1] );
					}
					$buffer = $this->mail_get_line( );
				}
				if ( base64_encode( $current_id ) != base64_encode( $msg['message-id'] ) )
				{
					$this->mail_error_msg = $error_retrieving;
					return 0;
				}
			}
			if ( file_exists( $msg['localname'] ) )
			{
				$msgcontent = $this->_read_file( $msg['localname'] );
			}
			else
			{
				$this->mail_send_command( "FETCH ".$msg['id'].":".$msg['id']." BODY[TEXT]" );
				$buffer = $this->mail_get_line( );
				if ( eregi( "^(".$this->_sid." (NO|BAD))", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				if ( ereg( "\\{(.*)\\}", $buffer, $regs ) )
				{
					$bytes = $regs[1];
				}
				$buffer = $this->mail_get_line( );
				while ( !eregi( "^(".$this->_sid." OK)", $buffer ) )
				{
					if ( !eregi( "[ ]?\\*[ ]?[0-9]+[ ]?FETCH", $buffer ) )
					{
						$msgbody .= "{$buffer}\r\n";
					}
					$buffer = $this->mail_get_line( );
				}
				$pos = strrpos( $msgbody, ")" );
				if ( !( $pos === false ) )
				{
					$msgbody = substr( $msgbody, 0, $pos );
				}
				$msgcontent = "{$msgheader}\r\n\r\n{$msgbody}";
				$this->_save_file( $msg['localname'], $msgcontent );
			}
		}
		else
		{
			if ( $check && strtolower( $msg['folder'] ) == "inbox" )
			{
				$this->mail_send_command( "TOP ".$msg['id']." 0" );
				$buffer = $this->mail_get_line( );
				if ( !ereg( "^(\\+OK)", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				unset( $header );
				while ( !feof( $this->mail_connection ) )
				{
					$buffer = $this->mail_get_line( );
					if ( trim( $buffer ) == "." )
					{
					}
					else
					{
						$header .= "{$buffer}\r\n";
					}
				}
				$mail_info = $this->get_mail_info( $header );
				if ( base64_encode( $mail_info['message-id'] ) != base64_encode( $msg['message-id'] ) )
				{
					$this->mail_error_msg = $error_retrieving;
					return 0;
				}
			}
			if ( file_exists( $msg['localname'] ) )
			{
				$msgcontent = $this->_read_file( $msg['localname'] );
			}
			else if ( strtolower( $msg['folder'] ) == "inbox" )
			{
				$command = $mail_use_top ? "TOP ".$msg['id']." ".$msg['size'] : "RETR ".$msg['id'];
				$this->mail_send_command( $command );
				$buffer = $this->mail_get_line( );
				if ( !ereg( "^(\\+OK)", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				$last_buffer = 0;
				while ( !feof( $this->mail_connection ) )
				{
					$buffer = ereg_replace( "(\n|\r)", "", $this->mail_get_line( ) );
					if ( trim( $buffer ) == "." )
					{
					}
					else
					{
						if ( $body_started )
						{
							$msgbody .= "{$buffer}\r\n";
						}
						if ( !$body_started && trim( $buffer ) == "" )
						{
							$body_started = true;
						}
					}
				}
				$msgcontent = "{$msgheader}\r\n\r\n{$msgbody}";
				$this->_save_file( $msg['localname'], $msgcontent );
			}
		}
		return $msgcontent;
	}

	function mail_delete_msg( $msg, $send_to_trash = 1, $save_only_read = 0 )
	{
		$read = ereg( "\\SEEN", $msg['flags'] ) ? 1 : 0;
		if ( $this->mail_protocol == "imap" )
		{
			if ( strtolower( $this->_current_folder ) != strtolower( $msg['folder'] ) )
			{
				$boxinfo = $this->mail_select_box( $msg['folder'] );
			}
			$this->mail_send_command( "FETCH ".$msg['id'].":".$msg['id']." BODY.PEEK[HEADER.FIELDS (Message-Id)]" );
			$buffer = $this->mail_get_line( );
			if ( eregi( "^(".$this->_sid." (NO|BAD))", $buffer ) )
			{
				$this->mail_error_msg = $buffer;
				return 0;
			}
			while ( !eregi( "^(".$this->_sid." OK)", $buffer ) )
			{
				if ( eregi( "message-id: (.*)", $buffer, $regs ) )
				{
					$current_id = ereg_replace( "<(.*)>", "\\1", $regs[1] );
				}
				$buffer = $this->mail_get_line( );
			}
			if ( base64_encode( $current_id ) != base64_encode( $msg['message-id'] ) )
			{
				$this->mail_error_msg = $error_retrieving;
				return 0;
			}
			if ( $send_to_trash && strtoupper( $msg['folder'] ) != "TRASH" && ( !$save_only_read || $save_only_read && $read ) )
			{
				$this->mail_send_command( "COPY ".$msg['id'].":".$msg['id']." \"trash\"" );
				$buffer = $this->mail_get_line( );
				if ( !eregi( "^(".$this->_sid." OK)", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				if ( file_exists( $msg['localname'] ) )
				{
					$currentname = $msg['localname'];
					$basename = basename( $currentname );
					$newfilename = $this->user_folder."trash/{$basename}";
					copy( $currentname, $newfilename );
					unlink( $currentname );
				}
			}
			$this->mail_set_flag( $msg, "\\DELETED", "+" );
			$this->_require_expunge = true;
			return 1;
		}
		else
		{
			if ( strtoupper( $msg['folder'] ) == "INBOX" )
			{
				$this->mail_send_command( "TOP ".$msg['id']." 0" );
				$buffer = $this->mail_get_line( );
				if ( !ereg( "^(\\+OK)", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				unset( $header );
				while ( !feof( $this->mail_connection ) )
				{
					$buffer = $this->mail_get_line( );
					if ( trim( $buffer ) == "." )
					{
					}
					else
					{
						$header .= "{$buffer}\r\n";
					}
				}
				$mail_info = $this->get_mail_info( $header );
				if ( base64_encode( $mail_info['message-id'] ) != base64_encode( $msg['message-id'] ) )
				{
					$this->mail_error_msg = $error_retrieving;
					return 0;
				}
				if ( !file_exists( $msg['localname'] ) )
				{
					if ( !$this->mail_retr_msg( $msg, 0 ) )
					{
						return 0;
					}
					$this->mail_set_flag( $msg, "\\SEEN", "-" );
				}
				$this->mail_send_command( "DELE ".$msg['id'] );
				$buffer = $this->mail_get_line( );
				if ( !ereg( "^(\\+OK)", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
			}
			if ( $send_to_trash && strtoupper( $msg['folder'] ) != "TRASH" && ( !$save_only_read || $save_only_read && $read ) )
			{
				if ( file_exists( $msg['localname'] ) )
				{
					$currentname = $msg['localname'];
					$basename = basename( $currentname );
					$newfilename = $this->user_folder."trash/{$basename}";
					copy( $currentname, $newfilename );
					unlink( $currentname );
				}
			}
			else
			{
				unlink( $msg['localname'] );
			}
		}
		return 1;
	}

	function mail_move_msg( $msg, $tofolder )
	{
		if ( $this->mail_protocol == "imap" )
		{
			if ( strtolower( $tofolder ) != strtolower( $msg['folder'] ) )
			{
				if ( strtolower( $this->_current_folder ) != strtolower( $msg['folder'] ) )
				{
					$boxinfo = $this->mail_select_box( $msg['folder'] );
				}
				$this->mail_send_command( "FETCH ".$msg['id'].":".$msg['id']." BODY.PEEK[HEADER.FIELDS (Message-Id)]" );
				$buffer = $this->mail_get_line( );
				if ( eregi( "^(".$this->_sid." (NO|BAD))", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				while ( !eregi( "^(".$this->_sid." OK)", $buffer ) )
				{
					if ( eregi( "message-id: (.*)", $buffer, $regs ) )
					{
						$current_id = ereg_replace( "<(.*)>", "\\1", $regs[1] );
					}
					$buffer = $this->mail_get_line( );
				}
				if ( base64_encode( $current_id ) != base64_encode( $msg['message-id'] ) )
				{
					$this->mail_error_msg = $error_retrieving;
					return 0;
				}
				$this->mail_send_command( "COPY ".$msg['id'].":".$msg['id']." \"{$tofolder}\"" );
				$buffer = $this->mail_get_line( );
				if ( !eregi( "^(".$this->_sid." OK)", $buffer ) )
				{
					$this->mail_error_msg = $buffer;
					return 0;
				}
				if ( file_exists( $msg['localname'] ) )
				{