TCL 1, PHP 0
Ok, I am frustrated.. here is my code and this portion has to be done in
PHP. I have a frame that can only be accessed if 1 of 2 things occur:
1) if $HTTP_REFERER has a specific value
2) if your nickname passed in the query string is found in the existing
nicknames.txt file found in /chat/nicknames.txt
Here is the code:
<?
// Security measure to prevent bookmarking of page unless nickname exists
in nicknames.txt
$contents = "";
if (!preg_match("/\bchat_process_nickname\b/i", $HTTP_REFERER)) {
$canAccessChatroom = 1;
if (strlen($nickname) < 2) $canAccessChatroom = 0;
if (!file_exists($DOCUMENT_ROOT . "/chat/nicknames.txt"))
$canAccessChatroom = 0;
if ($canAccessChatroom == 1) {
$fileID = fopen($DOCUMENT_ROOT. "/chat/nicknames.txt", r) or die ("could
not open file");
if (!$fileID) {
$canAccessChatroom = 0;
} else {
$contents = fread($fileID);
fclose($fileID);
}
}
if ($canAccessChatroom == 1 && strlen($contents) == 0) $canAccessChatroom
= 0;
if ($canAccessChatroom == 1 && !preg_match("/[a-zA-Z0-9_\-]+/",
$contents)) $canAccessChatroom == 0;
if ($canAccessChatroom == 1) {
if (!preg_match("/\b$nickname\b/i", $contents)) $canAccessChatroom == 0;
}
if ($canAccessChatroom == 0) {
echo "<meta http-equiv=Refresh content='1;URL=http://"; . $SERVER_NAME .
"/chat/chat_login.php'>\n";
echo "<script>\n<!--\n location.href='http://"; . $SERVER_NAME .
"/chat/chat_login.php';\n\/\/-->\n</script>\n";
}
}
?>
No matter what I do, however, the file cannot be accessed if it exists and
causes damage galore. Can anyone out there help me figure out what I did
wrong; I'm completely stumped and may have to rewrite this portion of the
chatroom in TCL, all of my TCL scripts have had NO problems whatsoever
accessing the txt files.
Phil
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