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<?php
function authenticate() {
Header( "WWW-authenticate: basic realm='Test System'");
Header( "HTTP/1.0 401 Unauthorized");
echo "You must enter a valid login ID and password to access this resource\n";
exit;
}
if(!isset($PHP_AUTH_USER) || ($SeenBefore == 1 && !strcmp($OldAuth, $PHP_AUTH_USER)) ) {
authenticate();
}
else {
echo "Welcome: $PHP_AUTH_USER<BR>";
echo "Old: $OldAuth";
echo "<FORM ACTION=\"$PHP_SELF\" METHOD=POST>\n";
echo "<INPUT TYPE=HIDDEN NAME=\"SeenBefore\" VALUE=\"1\">\n";
echo "<INPUT TYPE=HIDDEN NAME=\"OldAuth\" VALUE=\"$PHP_AUTH_USER\">\n";
echo "<INPUT TYPE=Submit VALUE=\"Re Authenticate\">\n";
echo "</FORM>\n";
}
?>
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