function decode($data, $decode_parms)
{
$data = decompress($data);
$predictor = 1;
if ($decode_parms) {
$predictor = $decode_parms['/Predictor'];
}
if (!$predictor) {
$predictor = 1;
}
if ($predictor != 1) {
$columns = $decode_parms['/Columns'];
if ($predictor >= 10 && $predictor <= 15) {
$output = '';
$rowlength = $columns + 1;
assert(strlen($data) % $rowlength == 0);
$prev_rowdata = array_fill(0, $rowlength, 0);
for ($row = 0; $row < strlen($data) / $rowlength; $row++) {
$rowdata = array();
$k = 0;
for ($j = $row * $rowlength; $j < ($row + 1) * $rowlength; $j++) {
$rowdata[$k] = ord($data[$j]);
$k += 1;
}
$filter_byte = $rowdata[0];
if ($filter_byte == 0) {
} else {
if ($filter_byte == 1) {
for ($j = 2; $j < $rowlength; $j++) {
$rowdata[$j] = ($rowdata[$j] + $rowdata[$j - 1]) % 256;
}
} else {
if ($filter_byte == 2) {
for ($j = 1; $j < $rowlength; $j++) {
$rowdata[$j] = ($rowdata[$j] + $prev_rowdata[$j]) % 256;
}
} else {
die("Error reading PDF: unsupported PNG filter {$filter_byte}.");
}
}
}
$prev_rowdata = $rowdata;
for ($j = 1; $j < count($rowdata); $j++) {
$output .= chr($rowdata[$j]);
}
}
$data = $output;
} else {
die("Error reading PDF: unsupported flatedecode predictor {$predictor}.");
}
}
return $data;
}
/**
* Checks an extension with a given MD5 checksum file.
*
* @param string $path Path to md5 file
* @param array $extensionPaths Indexed array: First folder in md5 file path as key - extension path as value
*
* @return array Array of errors
*/
function checkMD5File($path, $extensionPaths)
{
jimport('joomla.filesystem.file');
$lines = explode("\n", JFile::read($path));
$errors = array();
$errors[0] = 0;
//counter..
foreach ($lines as $line) {
if (!trim($line)) {
continue;
}
list($md5, $subPath) = explode(' ', $line);
$pos = strpos($subPath, '@');
$path = $subPath;
$file = '';
if ($pos !== false) {
$compressed = substr($subPath, 0, $pos);
$file = substr($subPath, $pos + 1);
$path = decompress($compressed) . '/' . $file;
}
$parts = explode(DS, $path);
if (!array_key_exists($parts[0], $extensionPaths)) {
continue;
}
$path = $extensionPaths[$parts[0]] . DS . substr($path, strlen($parts[0]) + 1);
echo JDEBUG ? $path . '...' : '';
$errors[0]++;
if (!JFile::exists($path)) {
$errors[] = JText::sprintf('File not found: %s', $path);
echo JDEBUG ? 'not found<br />' : '';
continue;
}
if (md5_file($path) != $md5) {
$errors[] = sprintf(jgettext('MD5 check failed on file: %s'), $path);
echo JDEBUG ? 'md5 check failed<br />' : '';
continue;
}
echo JDEBUG ? 'OK<br />' : '';
}
//foreach
return $errors;
}
$counter++;
touch($dest, $preserveTimestamp);
}
} elseif ($massType == 'copy') {
$dest = $massPath . basename($path);
if (is_dir($path)) {
if (copys($path, $dest) > 0) {
$counter++;
}
} elseif (is_file($path)) {
if (copy($path, $dest)) {
$counter++;
}
}
} elseif ($massType == 'untar' || $massType == 'untargz' || $massType == 'unzip') {
if (decompress($massType, $path, $massValue)) {
$counter++;
return $counter;
}
} elseif (!empty($massValue)) {
if ($massType == 'chmod') {
if (chmod($path, octdec($massValue))) {
$counter++;
}
} elseif ($massType == 'chown') {
if (chown($path, $massValue)) {
$counter++;
}
} elseif ($massType == 'touch') {
if (touch($path, strtotime($massValue))) {
$counter++;
function zipAndFolders()
{
if (isset($_POST['debug'])) {
error_log(__FUNCTION__, 3, "error.txt");
}
//if we've already downloaded and extracted, don't do it twice
if (!file_exists('core') && file_exists("webstore.zip")) {
if (isset($_POST['debug'])) {
error_log("decompressing webstore.zip", 3, "error.txt");
}
decompress("webstore.zip");
if (isset($_POST['debug'])) {
error_log("removing webstore.zip", 3, "error.txt");
}
if (!isset($_POST['debug'])) {
@unlink("webstore.zip");
}
}
// Verify the cache folders exist and if not, create them
// These may fail if cache isn't yet writable, so we ignore errors
// and will get them again after fixing cache
if (!file_exists('assets')) {
@mkdir('assets');
}
if (!file_exists('runtime')) {
@mkdir('runtime');
}
if (!file_exists('runtime/cache')) {
@mkdir('runtime/cache');
}
if (!file_exists('themes')) {
@mkdir('themes');
}
}
if (!db_truncate_table($table)) {
$success = 2;
}
$table_cleared[$prefix . $table] = true;
set_time_limit(60);
}
$row = substr($string, $sep + strlen(TABLE_SEPARATOR));
$row = unserialize($row);
$items = '';
$values = '';
foreach ($row as $key => $element) {
if (array_search($key, $tables[$prefix . $table]) === false) {
$missing_element[] = $table . '->' . $key;
} else {
if (!empty($element)) {
$element = decompress($element);
}
$items .= '`' . $key . '`,';
if (is_null($element)) {
$values .= 'NULL,';
} else {
$values .= db_quote($element) . ',';
}
}
}
if (!empty($items)) {
if ($table != 'options' || strpos($values, 'zenphoto_release') === false) {
$items = substr($items, 0, -1);
$values = substr($values, 0, -1);
$sql = 'INSERT INTO ' . prefix($table) . ' (' . $items . ') VALUES (' . $values . ')';
if (!query($sql, false)) {
}
if (isset($_POST['newdirperms'])) {
$new_dir_perms_on = TRUE;
$new_dir_perms = $_POST['cmodmodedirs'];
$new_dir_perms = preg_replace('/[^0-7]*/', '', $new_dir_perms);
$new_dir_perms = substr($new_dir_perms, 0, 3);
} else {
$new_dir_perms_on = FALSE;
}
if (isset($_POST['overwrite'])) {
$fileoverwrite = TRUE;
} else {
$fileoverwrite = FALSE;
}
}
$path_result = decompress($site_root, $selarchive);
_gettpl('decompress');
break;
default:
$conf['step_id'] = 'testserver';
_gettpl('welcome');
}
function pattern($matches)
{
global $conf;
return $conf[$matches[1]];
}
function _gettpl($install_step)
{
global $conf, $used_langs, $site_root, $path_result, $this_script_dir;
switch ($install_step) {
