|
楼主 |
发表于 2015-6-11 10:37:50
|
显示全部楼层
RE: Using PHP to read email in a POP3 mailbox (2-2)
function last ( $type = "count", $fp )
{
// Returns the highest msg number in the mailbox.
// returns -1 on error, 0+ on success, if type != count
// results in a popstat() call (2 element array returned)
$last = -1;
$reply = send_cmd("STAT", $fp);
if(!is_ok($reply))
{
$error = "POP3 last: error [$reply]";
return $last;
}
$Vars = explode(" ",$reply);
$count = $Vars[1];
$size = $Vars[2];
settype($count,"integer");
settype($size,"integer");
if($type != "count")
{
return array($count,$size);
}
return $count;
}// end function
function resets($fp)
{
// Resets the status of the remote server. This includes
// resetting the status of ALL msgs to not be deleted.
// This method automatically closes the connection to the server.
$reply = $send_cmd("RSET", $fp);
if(!is_ok($reply))
{
// The POP3 RSET command -never- gives a -ERR
// response - if it ever does, something truely
// wild is going on.
$error = "POP3 reset: Error [$reply]";
}
quit($fp);
return true;
}// end function
function send_cmd ( $cmd, $fp )
{
// Sends a user defined command string to the
// POP server and returns the results. Useful for
// non-compliant or custom POP servers.
// Do NOT include the \r\n as part of your command
// string - it will be appended automatically.
// The return value is a standard fgets() call, which
// will read up to $buffer bytes of data, until it
// encounters a new line, or EOF, whichever happens first.
// This method works best if $cmd responds with only
// one line of data.
global $buffer;
if(!isset($fp))
{
$error = "POP3 send_cmd: No connection to server";
return false;
}
if(empty($cmd))
{
$error = "POP3 send_cmd: Empty command string";
return "";
}
$buffer = $buffer;
update_timer();
fwrite($fp,"$cmd\r\n");
$reply = fgets($fp,$buffer);
$reply = strip_clf($reply);
return $reply;
}// end function
function quit($fp)
{
// Closes the connection to the POP3 server, deleting
// any msgs marked as deleted.
global $buffer;
$cmd = "QUIT";
fwrite($fp,"$cmd\r\n");
$reply = fgets($fp,$buffer);
$reply = strip_clf($reply);
fclose($fp);
return true;
}// end function
function is_ok ($cmd = "")
{
// Return true or false on +OK or -ERR
if(empty($cmd)) { return false; }
if ( ereg ("^\+OK", $cmd ) ) { return true; }
return false;
}// end function
function strip_clf ($text = "")
{
// Strips \r\n from server responses
if(empty($text)) { return $text; }
$stripped = ereg_replace("\r","",$text);
$stripped = ereg_replace("\n","",$stripped);
return $stripped;
}// end function
function parse_banner ( $server_text )
{
$outside = true;
$banner = "";
$length = strlen($server_text);
for($count =0; $count < $length; $count++)
{
$digit = substr($server_text,$count,1);
if(!empty($digit))
{
if( (!$outside) and ($digit != '<') and ($digit != '>') )
{
$banner .= $digit;
}
if ($digit == '<')
{
$outside = false;
}
if($digit == '>')
{
$outside = true;
}
}
}
$banner = strip_clf($banner); // Just in case
return "<$banner>";
}// end function
function popstat ()
{
// Returns an array of 2 elements. The number of undeleted
// msgs in the mailbox, and the size of the mbox in octets.
$PopArray = last("array");
if($PopArray == -1) { return false; }
if( (!$PopArray) or (empty($PopArray)) )
{
return false;
}
return $PopArray;
}// end function
function uidl ($msgNum = "", $fp)
{
// Returns the UIDL of the msg specified. If called with
// no arguments, returns an associative array where each
// undeleted msg num is a key, and the msg's uidl is the element
// Array element 0 will contain the total number of msgs
global $buffer, $Count;
if(!empty($msgNum))
{
$cmd = "UIDL $msgNum";
$reply = send_cmd($cmd);
if(!is_ok($reply))
{
$error = "POP3 uidl: Error [$reply]";
return false;
}
list ($ok,$num,$myUidl) = explode(" ",$reply);
return $myUidl;
}
else
{
//update_timer();
$UIDLArray = array();
$Total = $Count;
$UIDLArray[0] = $Total;
if ($Total < 1)
{
return $UIDLArray;
}
$cmd = "UIDL";
fwrite($fp, "UIDL\r\n");
$reply = fgets($fp, $buffer);
$reply = strip_clf($reply);
if(!is_ok($reply))
{
$error = "POP3 uidl: Error [$reply]";
return false;
}
$line = "";
$count = 1;
$line = fgets($fp,$buffer);
while ( !ereg("^\.\r\n",$line))
{
if(ereg("^\.\r\n",$line))
{
break;
}
list ($msg,$msgUidl) = explode(" ",$line);
$msgUidl = strip_clf($msgUidl);
if($count == $msg)
{
$UIDLArray[$msg] = $msgUidl;
}
else
{
$UIDLArray[$count] = "deleted";
}
$count++;
$line = fgets($fp,$buffer);
}
}
return $UIDLArray;
}// end function
function delete ($msgNum = "", $fp)
{
// Flags a specified msg as deleted. The msg will not
// be deleted until a quit() method is called.
if(empty($msgNum))
{
$error = "POP3 delete: No msg number submitted";
return false;
}
$reply = send_cmd("DELE $msgNum", $fp);
if(!is_ok($reply))
{
$error = "POP3 delete: Command failed [$reply]";
return false;
}
return true;
}// end function
function conn($sql, $db_account='')
{
/*
add code to decide what server/db to tag when inserting the data
include("../includes/portal.php");
*/
$host = $db_account['host'];
$user = $db_account['login'];
$pass = $db_account['pwd'];
$db = $db_account['db'];
//echo "commnecing connection to local db<br>";
//echo "mysql_connect($host, $user, $pass)";
ob_flush();
//$conn = mysql_connect($host, $user, $pass) or die("Can't connect because ". mysql_error());
if (!($conn=mysql_connect($host, $user, $pass))) {
printf("error connecting to DB by user = $user and pwd=$pass");
exit;
}
$db3 = mysql_select_db($db, $conn);// or die("Unable to connect to local database");
$result = mysql_query($sql);// or die ("Can't connect because ".
mysql_error()."<br>$sql");
return $result;
}//end function
function update_timer()
{
global $timeout;
set_time_limit($timeout);
}
?>
|
|