public static function install_from_file($version, $revision, $ufile, $ulog)
{
global $DB;
// remove old update files (will be there if a previous update fails)
file_put_contents($ulog, "remove old update folder\n", FILE_APPEND);
core_remove_folder(NAVIGATE_PATH . '/updates/update');
// decompress
file_put_contents($ulog, "create new folder\n", FILE_APPEND);
mkdir(NAVIGATE_PATH . '/updates/update');
$zip = new ZipArchive();
file_put_contents($ulog, "open zip file\n", FILE_APPEND);
if ($zip->open($ufile) === TRUE) {
file_put_contents($ulog, "extract zip file\n", FILE_APPEND);
$zip->extractTo(NAVIGATE_PATH . '/updates/update');
$zip->close();
} else {
file_put_contents($ulog, "zip extraction failed\n", FILE_APPEND);
@unlink($ufile);
core_remove_folder(NAVIGATE_PATH . '/updates/update');
return false;
}
// chmod files (may fail, but not fatal error)
file_put_contents($ulog, "chmod update (may fail in Windows)... ", FILE_APPEND);
$chmod_status = core_chmodr(NAVIGATE_PATH . '/updates/update', 0755);
file_put_contents($ulog, $chmod_status . "\n", FILE_APPEND);
// do file changes
file_put_contents($ulog, "parse file changes\n", FILE_APPEND);
$hgchanges = file_get_contents(NAVIGATE_PATH . '/updates/update/changes.txt');
$hgchanges = explode("\n", $hgchanges);
foreach ($hgchanges as $change) {
file_put_contents($ulog, $change . "\n", FILE_APPEND);
$change = trim($change);
if (empty($change)) {
continue;
}
$change = explode(" ", $change, 2);
// new, removed and modified files
// M = modified
// A = added
// R = removed
// C = clean
// ! = missing (deleted by non-hg command, but still tracked)
// ? = not tracked
// I = ignored
// = origin of the previous file listed as A (added)
$file = str_replace('\\', '/', $change[1]);
//if(substr($file, 0, strlen('plugins/'))=='plugins/') continue;
if (substr($file, 0, strlen('setup/')) == 'setup/') {
continue;
}
switch ($change[0]) {
case 'A':
// added a new file
// added a new file
case 'M':
// modified file
if (!file_exists(NAVIGATE_PATH . '/updates/update/' . $file)) {
file_put_contents($ulog, "file doesn't exist!\n", FILE_APPEND);
return false;
}
@mkdir(dirname(NAVIGATE_PATH . '/' . $file), 0777, true);
if (!@copy(NAVIGATE_PATH . '/updates/update/' . $file, NAVIGATE_PATH . '/' . $file)) {
file_put_contents($ulog, "cannot copy file!\n", FILE_APPEND);
return false;
}
break;
case 'R':
// remove file
@unlink(NAVIGATE_PATH . '/' . $file);
break;
default:
// all other cases
// IGNORE the change, as we are now only getting the modified files
}
}
// process SQL updates
file_put_contents($ulog, "process sql update\n", FILE_APPEND);
if (file_exists(NAVIGATE_PATH . '/updates/update/update.sql')) {
$sql = file_get_contents(NAVIGATE_PATH . '/updates/update/update.sql');
// execute SQL in a transaction
// http://php.net/manual/en/pdo.transactions.php
try {
// can't do it in one step => SQLSTATE[HY000]: General error: 2014
$sql = explode("\n\n", $sql);
//file_put_contents($ulog, "begin transaction\n", FILE_APPEND);
//$DB->beginTransaction();
foreach ($sql as $sqlline) {
$sqlline = trim($sqlline);
if (empty($sqlline)) {
continue;
}
file_put_contents($ulog, "execute sql:\n" . $sqlline . "\n", FILE_APPEND);
if (!$DB->execute($sqlline)) {
file_put_contents($ulog, "execute failed: " . $DB->get_last_error() . "\n", FILE_APPEND);
//throw new Exception($DB->get_last_error());
}
// force commit changes (slower but safer... no --> SQLSTATE[HY000]: General error: 2014)
$DB->disconnect();
$DB->connect();
}
//file_put_contents($ulog, "commit transaction\n", FILE_APPEND);
//$DB->commit();
} catch (Exception $e) {
file_put_contents($ulog, "transaction error: \n" . $e->getMessage() . "\n", FILE_APPEND);
//$DB->rollBack();
return false;
}
} else {
file_put_contents($ulog, "no SQL found\n", FILE_APPEND);
}
// add the update row to know which navigate revision is currently installed
file_put_contents($ulog, "insert new version row on updates\n", FILE_APPEND);
$urow = new update();
$urow->id = 0;
$urow->version = $version;
$urow->revision = $revision;
$urow->date_updated = time();
$urow->status = 'ok';
$urow->changelog = '';
try {
$ok = $urow->insert();
} catch (Exception $e) {
$error = $e->getMessage();
}
if ($error) {
file_put_contents($ulog, "execute insert failed:\n" . $DB->get_last_error() . "\n", FILE_APPEND);
}
if (file_exists(NAVIGATE_PATH . '/updates/update/update-post.php')) {
include_once NAVIGATE_PATH . '/updates/update/update-post.php';
}
file_put_contents($ulog, "update finished!\n", FILE_APPEND);
$urow->changelog = file_get_contents($ulog);
$urow->save();
@unlink($ufile);
update::cache_clean();
return true;
}
/**
* Changes the UNIX permissions of a file or folder and its contents
*
* @param string $path Absolute path to the file or folder to change
* @param string $filemode UNIX permissions code, p.e. 0755
* @return boolean TRUE if no problem found, FALSE otherwise. Note: on Windows systems this function is always FALSE.
*/
function core_chmodr($path, $filemode)
{
if (!is_dir($path)) {
return chmod($path, $filemode);
}
$dh = opendir($path);
while (($file = readdir($dh)) !== false) {
if ($file != '.' && $file != '..') {
$fullpath = $path . '/' . $file;
if (is_link($fullpath)) {
return FALSE;
} else {
if (!is_dir($fullpath) && !chmod($fullpath, $filemode)) {
return FALSE;
} else {
if (!core_chmodr($fullpath, $filemode)) {
return FALSE;
}
}
}
}
}
closedir($dh);
if (chmod($path, $filemode)) {
return TRUE;
} else {
return FALSE;
}
}