base_16_to_64 ($num)
{
$m = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_';
+ $hex2bin = ['0000', # 0
+ '0001', # 1
+ '0010', # 2
+ '0011', # 3
+ '0100', # 4
+ '0101', # 5
+ '0110', # 6
+ '0111', # 7
+ '1000', # 8
+ '1001', # 9
+ '1010', # a
+ '1011', # b
+ '1100', # c
+ '1101', # d
+ '1110', # e
+ '1111']; # f
$o = '';
$b = '';
$i = 0;
+ # Convert long hex string to bin.
$size = strlen ($num);
for ($i = 0; $i < $size; $i++)
- $b .= base_convert ($num{$i}, 16, 2);
- $size = strlen ($b);
+ $b .= $hex2bin{hexdec ($num{$i})};
+ # Convert long bin to base 64.
+ $size *= 4;
for ($i = $size - 6; $i >= 0; $i -= 6)
$o = $m{bindec (substr ($b, $i, 6))} . $o;
+ # Some few bits remaining ?
if ($i < 0 && $i > -6)
$o = $m{bindec (substr ($b, 0, $i + 6))} . $o;
return $o;
}
}
+function check_errors ()
+{
+ if (file_exists (JIRAFEAU_ROOT . 'install.php')
+ && !file_exists (JIRAFEAU_ROOT . 'lib/config.local.php'))
+ {
+ header('Location: install.php');
+ exit;
+ }
+
+ /* check if the destination dirs are writable */
+ $writable = is_writable (VAR_FILES) && is_writable (VAR_LINKS);
+
+ /* Checking for errors. */
+ if (!is_writable (VAR_FILES))
+ add_error (t('The file directory is not writable!'), VAR_FILES);
+
+ if (!is_writable (VAR_LINKS))
+ add_error (t('The link directory is not writable!'), VAR_LINKS);
+
+ /* Check if the install.php script is still in the directory. */
+ if (file_exists (JIRAFEAU_ROOT . 'install.php'))
+ add_error (t('Installer script still present'),
+ t('Please make sure to delete the installer script ' .
+ '"install.php" before continuing.'));
+}
+
/**
* Read link informations
* @return array containing informations.