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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2005 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Installer;
use Joomla\CMS\Adapter\Adapter;
use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filesystem\Folder;
use Joomla\CMS\Filesystem\Path;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Table\Extension;
use Joomla\CMS\Table\Table;
use Joomla\Database\DatabaseAwareInterface;
use Joomla\Database\DatabaseAwareTrait;
use Joomla\Database\DatabaseInterface;
use Joomla\Database\Exception\ExecutionFailureException;
use Joomla\Database\ParameterType;
use Joomla\DI\ContainerAwareInterface;
use Joomla\Filesystem\File;
// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Joomla base installer class
*
* @since 3.1
*/
class Installer extends Adapter implements DatabaseAwareInterface
{
use DatabaseAwareTrait;
/**
* Array of paths needed by the installer
*
* @var array
* @since 3.1
*/
protected $paths = [];
/**
* True if package is an upgrade
*
* @var boolean
* @since 3.1
*/
protected $upgrade = null;
/**
* The manifest trigger class
*
* @var object
* @since 3.1
*/
public $manifestClass = null;
/**
* True if existing files can be overwritten
*
* @var boolean
* @since 3.0.0
*/
protected $overwrite = false;
/**
* Stack of installation steps
* - Used for installation rollback
*
* @var array
* @since 3.1
*/
protected $stepStack = [];
/**
* Extension Table Entry
*
* @var Extension
* @since 3.1
*/
public $extension = null;
/**
* The output from the install/uninstall scripts
*
* @var string
* @since 3.1
* */
public $message = null;
/**
* The installation manifest XML object
*
* @var object
* @since 3.1
*/
public $manifest = null;
/**
* The extension message that appears
*
* @var string
* @since 3.1
*/
protected $extension_message = null;
/**
* The redirect URL if this extension (can be null if no redirect)
*
* @var string
* @since 3.1
*/
protected $redirect_url = null;
/**
* Flag if the uninstall process was triggered by uninstalling a package
*
* @var boolean
* @since 3.7.0
*/
protected $packageUninstall = false;
/**
* Backup extra_query during update_sites rebuild
*
* @var string
* @since 3.9.26
*/
public $extraQuery = '';
/**
* JInstaller instances container.
*
* @var Installer[]
* @since 3.4
*/
protected static $instances;
/**
* A comment marker to indicate that an update SQL query may fail without triggering an update error.
*
* @since 4.2.0
*/
protected const CAN_FAIL_MARKER = '/** CAN FAIL **/';
/**
* The length of the CAN_FAIL_MARKER string
*
* @since 4.2.0
*/
protected const CAN_FAIL_MARKER_LENGTH = 16;
/**
* Constructor
*
* @param string $basepath Base Path of the adapters
* @param string $classprefix Class prefix of adapters
* @param string $adapterfolder Name of folder to append to base path
*
* @since 3.1
*/
public function __construct($basepath = __DIR__, $classprefix = '\\Joomla\\CMS\\Installer\\Adapter', $adapterfolder = 'Adapter')
{
parent::__construct($basepath, $classprefix, $adapterfolder);
$this->extension = Table::getInstance('extension');
}
/**
* Returns the global Installer object, only creating it if it doesn't already exist.
*
* @param string $basepath Base Path of the adapters
* @param string $classprefix Class prefix of adapters
* @param string $adapterfolder Name of folder to append to base path
*
* @return Installer An installer object
*
* @since 3.1
*/
public static function getInstance($basepath = __DIR__, $classprefix = '\\Joomla\\CMS\\Installer\\Adapter', $adapterfolder = 'Adapter')
{
if (!isset(self::$instances[$basepath])) {
self::$instances[$basepath] = new static($basepath, $classprefix, $adapterfolder);
self::$instances[$basepath]->setDatabase(Factory::getContainer()->get(DatabaseInterface::class));
}
return self::$instances[$basepath];
}
/**
* Splits a string of multiple queries into an array of individual queries.
*
* This is different than DatabaseDriver::splitSql. It supports the special CAN FAIL comment
* marker which indicates that a SQL statement could fail without raising an error during the
* installation.
*
* @param string|null $sql Input SQL string with which to split into individual queries.
*
* @return array
*
* @since 4.2.0
*/
public static function splitSql(?string $sql): array
{
if (empty($sql)) {
return [];
}
$start = 0;
$open = false;
$comment = false;
$endString = '';
$end = \strlen($sql);
$queries = [];
$query = '';
for ($i = 0; $i < $end; $i++) {
$current = substr($sql, $i, 1);
$current2 = substr($sql, $i, 2);
$current3 = substr($sql, $i, 3);
$lenEndString = \strlen($endString);
$testEnd = substr($sql, $i, $lenEndString);
if (
$current === '"' || $current === "'" || $current2 === '--'
|| ($current2 === '/*' && $current3 !== '/*!' && $current3 !== '/*+')
|| ($current === '#' && $current3 !== '#__')
|| ($comment && $testEnd === $endString)
) {
// Check if quoted with previous backslash
$n = 2;
while (substr($sql, $i - $n + 1, 1) === '\\' && $n < $i) {
$n++;
}
// Not quoted
if ($n % 2 === 0) {
if ($open) {
if ($testEnd === $endString) {
if ($comment) {
$comment = false;
if ($lenEndString > 1) {
$i += ($lenEndString - 1);
$current = substr($sql, $i, 1);
}
$start = $i + 1;
}
$open = false;
$endString = '';
}
} else {
$open = true;
if ($current2 === '--') {
$endString = "\n";
$comment = true;
} elseif ($current2 === '/*') {
$endString = '*/';
$comment = true;
} elseif ($current === '#') {
$endString = "\n";
$comment = true;
} else {
$endString = $current;
}
if ($comment && $start < $i) {
$query .= substr($sql, $start, $i - $start);
}
}
}
}
if ($comment) {
$start = $i + 1;
}
if (($current === ';' && !$open) || $i === $end - 1) {
if ($current === ';' && !$open && $start <= $i && $start > self::CAN_FAIL_MARKER_LENGTH) {
$possibleMarker = substr($sql, $start - self::CAN_FAIL_MARKER_LENGTH, $i - $start + self::CAN_FAIL_MARKER_LENGTH);
if (strtoupper($possibleMarker) === self::CAN_FAIL_MARKER) {
$start -= self::CAN_FAIL_MARKER_LENGTH;
}
}
if ($start <= $i) {
$query .= substr($sql, $start, $i - $start + 1);
}
$query = trim($query);
if ($query) {
if (($i === $end - 1) && ($current !== ';')) {
$query .= ';';
}
$queries[] = $query;
}
$query = '';
$start = $i + 1;
}
$endComment = false;
}
return $queries;
}
/**
* Get the allow overwrite switch
*
* @return boolean Allow overwrite switch
*
* @since 3.1
*/
public function isOverwrite()
{
return $this->overwrite;
}
/**
* Set the allow overwrite switch
*
* @param boolean $state Overwrite switch state
*
* @return boolean True it state is set, false if it is not
*
* @since 3.1
*/
public function setOverwrite($state = false)
{
$tmp = $this->overwrite;
if ($state) {
$this->overwrite = true;
} else {
$this->overwrite = false;
}
return $tmp;
}
/**
* Get the redirect location
*
* @return string Redirect location (or null)
*
* @since 3.1
*/
public function getRedirectUrl()
{
return $this->redirect_url;
}
/**
* Set the redirect location
*
* @param string $newurl New redirect location
*
* @return void
*
* @since 3.1
*/
public function setRedirectUrl($newurl)
{
$this->redirect_url = $newurl;
}
/**
* Get whether this installer is uninstalling extensions which are part of a package
*
* @return boolean
*
* @since 3.7.0
*/
public function isPackageUninstall()
{
return $this->packageUninstall;
}
/**
* Set whether this installer is uninstalling extensions which are part of a package
*
* @param boolean $uninstall True if a package triggered the uninstall, false otherwise
*
* @return void
*
* @since 3.7.0
*/
public function setPackageUninstall($uninstall)
{
$this->packageUninstall = $uninstall;
}
/**
* Get the upgrade switch
*
* @return boolean
*
* @since 3.1
*/
public function isUpgrade()
{
return $this->upgrade;
}
/**
* Set the upgrade switch
*
* @param boolean $state Upgrade switch state
*
* @return boolean True if upgrade, false otherwise
*
* @since 3.1
*/
public function setUpgrade($state = false)
{
$tmp = $this->upgrade;
if ($state) {
$this->upgrade = true;
} else {
$this->upgrade = false;
}
return $tmp;
}
/**
* Get the installation manifest object
*
* @return \SimpleXMLElement Manifest object
*
* @since 3.1
*/
public function getManifest()
{
if (!\is_object($this->manifest)) {
$this->findManifest();
}
return $this->manifest;
}
/**
* Get an installer path by name
*
* @param string $name Path name
* @param string $default Default value
*
* @return string Path
*
* @since 3.1
*/
public function getPath($name, $default = null)
{
return (!empty($this->paths[$name])) ? $this->paths[$name] : $default;
}
/**
* Sets an installer path by name
*
* @param string $name Path name
* @param string $value Path
*
* @return void
*
* @since 3.1
*/
public function setPath($name, $value)
{
$this->paths[$name] = $value;
}
/**
* Pushes a step onto the installer stack for rolling back steps
*
* @param array $step Installer step
*
* @return void
*
* @since 3.1
*/
public function pushStep($step)
{
$this->stepStack[] = $step;
}
/**
* Installation abort method
*
* @param string $msg Abort message from the installer
* @param string $type Package type if defined
*
* @return boolean True if successful
*
* @since 3.1
*/
public function abort($msg = null, $type = null)
{
$retval = true;
$step = array_pop($this->stepStack);
// Raise abort warning
if ($msg) {
Log::add($msg, Log::WARNING, 'jerror');
}
while ($step != null) {
switch ($step['type']) {
case 'file':
// Remove the file
if (is_file($step['path']) && !($stepval = File::delete($step['path']))) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_FILE_FOLDER', $step['path']), Log::WARNING, 'jerror');
}
break;
case 'folder':
// Remove the folder
if (Folder::exists($step['path']) && !($stepval = Folder::delete($step['path']))) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_FILE_FOLDER', $step['path']), Log::WARNING, 'jerror');
}
break;
case 'query':
// Execute the query.
$stepval = $this->parseSQLFiles($step['script']);
break;
case 'extension':
// Get database connector object
$db = $this->getDatabase();
$query = $db->getQuery(true);
$stepId = (int) $step['id'];
// Remove the entry from the #__extensions table
$query->delete($db->quoteName('#__extensions'))
->where($db->quoteName('extension_id') . ' = :step_id')
->bind(':step_id', $stepId, ParameterType::INTEGER);
$db->setQuery($query);
try {
$db->execute();
$stepval = true;
} catch (ExecutionFailureException $e) {
// The database API will have already logged the error it caught, we just need to alert the user to the issue
Log::add(Text::_('JLIB_INSTALLER_ABORT_ERROR_DELETING_EXTENSIONS_RECORD'), Log::WARNING, 'jerror');
$stepval = false;
}
break;
default:
if ($type && \is_object($this->_adapters[$type])) {
// Build the name of the custom rollback method for the type
$method = '_rollback_' . $step['type'];
// Custom rollback method handler
if (method_exists($this->_adapters[$type], $method)) {
$stepval = $this->_adapters[$type]->$method($step);
}
} else {
// Set it to false
$stepval = false;
}
break;
}
// Only set the return value if it is false
if ($stepval === false) {
$retval = false;
}
// Get the next step and continue
$step = array_pop($this->stepStack);
}
return $retval;
}
// Adapter functions
/**
* Package installation method
*
* @param string $path Path to package source folder
*
* @return boolean True if successful
*
* @since 3.1
*/
public function install($path = null)
{
if ($path && Folder::exists($path)) {
$this->setPath('source', $path);
} else {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_NOINSTALLPATH'));
return false;
}
if (!$adapter = $this->setupInstall('install', true)) {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_DETECTMANIFEST'));
return false;
}
if (!\is_object($adapter)) {
return false;
}
// Add the languages from the package itself
if (method_exists($adapter, 'loadLanguage')) {
$adapter->loadLanguage($path);
}
// Fire the onExtensionBeforeInstall event.
PluginHelper::importPlugin('extension');
Factory::getApplication()->triggerEvent(
'onExtensionBeforeInstall',
[
'method' => 'install',
'type' => $this->manifest->attributes()->type,
'manifest' => $this->manifest,
'extension' => 0,
]
);
// Run the install
$result = $adapter->install();
// Make sure Joomla can figure out what has changed
clearstatcache();
// Fire the onExtensionAfterInstall
Factory::getApplication()->triggerEvent(
'onExtensionAfterInstall',
['installer' => clone $this, 'eid' => $result]
);
if ($result !== false) {
// Refresh versionable assets cache
Factory::getApplication()->flushAssets();
return true;
}
return false;
}
/**
* Discovered package installation method
*
* @param integer $eid Extension ID
*
* @return boolean True if successful
*
* @since 3.1
*/
public function discover_install($eid = null)
{
if (!$eid) {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_EXTENSIONNOTVALID'));
return false;
}
if (!$this->extension->load($eid)) {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_LOAD_DETAILS'));
return false;
}
if ($this->extension->state != -1) {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_ALREADYINSTALLED'));
return false;
}
// Load the adapter(s) for the install manifest
$type = $this->extension->type;
$params = ['extension' => $this->extension, 'route' => 'discover_install'];
$adapter = $this->loadAdapter($type, $params);
if (!\is_object($adapter)) {
return false;
}
if (!method_exists($adapter, 'discover_install') || !$adapter->getDiscoverInstallSupported()) {
$this->abort(Text::sprintf('JLIB_INSTALLER_ERROR_DISCOVER_INSTALL_UNSUPPORTED', $type));
return false;
}
// The adapter needs to prepare itself
if (method_exists($adapter, 'prepareDiscoverInstall')) {
try {
$adapter->prepareDiscoverInstall();
} catch (\RuntimeException $e) {
$this->abort($e->getMessage());
return false;
}
}
// Add the languages from the package itself
if (method_exists($adapter, 'loadLanguage')) {
$adapter->loadLanguage();
}
// Fire the onExtensionBeforeInstall event.
PluginHelper::importPlugin('extension');
Factory::getApplication()->triggerEvent(
'onExtensionBeforeInstall',
[
'method' => 'discover_install',
'type' => $this->extension->get('type'),
'manifest' => null,
'extension' => $this->extension->get('extension_id'),
]
);
// Run the install
$result = $adapter->discover_install();
// Fire the onExtensionAfterInstall
Factory::getApplication()->triggerEvent(
'onExtensionAfterInstall',
['installer' => clone $this, 'eid' => $result]
);
if ($result !== false) {
// Refresh versionable assets cache
Factory::getApplication()->flushAssets();
return true;
}
return false;
}
/**
* Extension discover method
*
* Asks each adapter to find extensions
*
* @return InstallerExtension[]
*
* @since 3.1
*/
public function discover()
{
$results = [];
foreach ($this->getAdapters() as $adapter) {
$instance = $this->loadAdapter($adapter);
// Joomla! 1.5 installation adapter legacy support
if (method_exists($instance, 'discover')) {
$tmp = $instance->discover();
// If its an array and has entries
if (\is_array($tmp) && \count($tmp)) {
// Merge it into the system
$results = array_merge($results, $tmp);
}
}
}
return $results;
}
/**
* Package update method
*
* @param string $path Path to package source folder
*
* @return boolean True if successful
*
* @since 3.1
*/
public function update($path = null)
{
if ($path && Folder::exists($path)) {
$this->setPath('source', $path);
} else {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_NOUPDATEPATH'));
return false;
}
if (!$adapter = $this->setupInstall('update', true)) {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_DETECTMANIFEST'));
return false;
}
if (!\is_object($adapter)) {
return false;
}
// Add the languages from the package itself
if (method_exists($adapter, 'loadLanguage')) {
$adapter->loadLanguage($path);
}
// Fire the onExtensionBeforeUpdate event.
PluginHelper::importPlugin('extension');
Factory::getApplication()->triggerEvent(
'onExtensionBeforeUpdate',
['type' => $this->manifest->attributes()->type, 'manifest' => $this->manifest]
);
// Run the update
$result = $adapter->update();
// Fire the onExtensionAfterUpdate
Factory::getApplication()->triggerEvent(
'onExtensionAfterUpdate',
['installer' => clone $this, 'eid' => $result]
);
if ($result !== false) {
return true;
}
return false;
}
/**
* Package uninstallation method
*
* @param string $type Package type
* @param mixed $identifier Package identifier for adapter
*
* @return boolean True if successful
*
* @since 3.1
*/
public function uninstall($type, $identifier)
{
$params = ['extension' => $this->extension, 'route' => 'uninstall'];
$adapter = $this->loadAdapter($type, $params);
if (!\is_object($adapter)) {
return false;
}
// We don't load languages here, we get the extension adapter to work it out
// Fire the onExtensionBeforeUninstall event.
PluginHelper::importPlugin('extension');
Factory::getApplication()->triggerEvent(
'onExtensionBeforeUninstall',
['eid' => $identifier]
);
// Run the uninstall
$result = $adapter->uninstall($identifier);
// Fire the onExtensionAfterInstall
Factory::getApplication()->triggerEvent(
'onExtensionAfterUninstall',
['installer' => clone $this, 'eid' => $identifier, 'removed' => $result]
);
// Refresh versionable assets cache
Factory::getApplication()->flushAssets();
return $result;
}
/**
* Refreshes the manifest cache stored in #__extensions
*
* @param integer $eid Extension ID
*
* @return boolean
*
* @since 3.1
*/
public function refreshManifestCache($eid)
{
if ($eid) {
if (!$this->extension->load($eid)) {
$this->abort(Text::_('JLIB_INSTALLER_ABORT_LOAD_DETAILS'));
return false;
}
if ($this->extension->state == -1) {
$this->abort(Text::sprintf('JLIB_INSTALLER_ABORT_REFRESH_MANIFEST_CACHE', $this->extension->name));
return false;
}
// Fetch the adapter
$adapter = $this->loadAdapter($this->extension->type);
if (!\is_object($adapter)) {
return false;
}
if (!method_exists($adapter, 'refreshManifestCache')) {
$this->abort(Text::sprintf('JLIB_INSTALLER_ABORT_METHODNOTSUPPORTED_TYPE', $this->extension->type));
return false;
}
$result = $adapter->refreshManifestCache();
if ($result !== false) {
return true;
} else {
return false;
}
}
$this->abort(Text::_('JLIB_INSTALLER_ABORT_REFRESH_MANIFEST_CACHE_VALID'));
return false;
}
// Utility functions
/**
* Prepare for installation: this method sets the installation directory, finds
* and checks the installation file and verifies the installation type.
*
* @param string $route The install route being followed
* @param boolean $returnAdapter Flag to return the instantiated adapter
*
* @return boolean|InstallerAdapter InstallerAdapter object if explicitly requested otherwise boolean
*
* @since 3.1
*/
public function setupInstall($route = 'install', $returnAdapter = false)
{
// We need to find the installation manifest file
if (!$this->findManifest()) {
return false;
}
// Load the adapter(s) for the install manifest
$type = (string) $this->manifest->attributes()->type;
$params = ['route' => $route, 'manifest' => $this->getManifest()];
// Load the adapter
$adapter = $this->loadAdapter($type, $params);
if ($returnAdapter) {
return $adapter;
}
return true;
}
/**
* Backward compatible method to parse through a queries element of the
* installation manifest file and take appropriate action.
*
* @param \SimpleXMLElement $element The XML node to process
*
* @return mixed Number of queries processed or False on error
*
* @since 3.1
*/
public function parseQueries(\SimpleXMLElement $element)
{
// Get the database connector object
$db = & $this->_db;
if (!$element || !\count($element->children())) {
// Either the tag does not exist or has no children therefore we return zero files processed.
return 0;
}
// Get the array of query nodes to process
$queries = $element->children();
if (\count($queries) === 0) {
// No queries to process
return 0;
}
$update_count = 0;
// Process each query in the $queries array (children of $tagName).
foreach ($queries as $query) {
try {
$db->setQuery($query)->execute();
} catch (ExecutionFailureException $e) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_SQL_ERROR', $e->getMessage()), Log::WARNING, 'jerror');
return false;
}
$update_count++;
}
return $update_count;
}
/**
* Method to extract the name of a discreet installation sql file from the installation manifest file.
*
* @param object $element The XML node to process
*
* @return mixed Number of queries processed or False on error
*
* @since 3.1
*/
public function parseSQLFiles($element)
{
if (!$element || !\count($element->children())) {
// The tag does not exist.
return 0;
}
$db = &$this->_db;
$dbDriver = $db->getServerType();
$updateCount = 0;
// Get the name of the sql file to process
foreach ($element->children() as $file) {
$fCharset = strtolower($file->attributes()->charset) === 'utf8' ? 'utf8' : '';
$fDriver = strtolower($file->attributes()->driver);
if ($fDriver === 'mysqli' || $fDriver === 'pdomysql') {
$fDriver = 'mysql';
} elseif ($fDriver === 'pgsql') {
$fDriver = 'postgresql';
}
if ($fCharset !== 'utf8' || $fDriver != $dbDriver) {
continue;
}
$sqlfile = $this->getPath('extension_root') . '/' . trim($file);
// Check that sql files exists before reading. Otherwise raise error for rollback
if (!file_exists($sqlfile)) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_SQL_FILENOTFOUND', $sqlfile), Log::WARNING, 'jerror');
return false;
}
$buffer = file_get_contents($sqlfile);
// Graceful exit and rollback if read not successful
if ($buffer === false) {
Log::add(Text::_('JLIB_INSTALLER_ERROR_SQL_READBUFFER'), Log::WARNING, 'jerror');
return false;
}
// Create an array of queries from the sql file
$queries = self::splitSql($buffer);
if (\count($queries) === 0) {
// No queries to process
continue;
}
// Process each query in the $queries array (split out of sql file).
foreach ($queries as $query) {
$canFail = strlen($query) > self::CAN_FAIL_MARKER_LENGTH + 1 &&
strtoupper(substr($query, -self::CAN_FAIL_MARKER_LENGTH - 1)) === (self::CAN_FAIL_MARKER . ';');
$query = $canFail ? (substr($query, 0, -self::CAN_FAIL_MARKER_LENGTH - 1) . ';') : $query;
try {
$db->setQuery($query)->execute();
} catch (ExecutionFailureException $e) {
if (!$canFail) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_SQL_ERROR', $e->getMessage()), Log::WARNING, 'jerror');
return false;
}
}
$updateCount++;
}
}
return $updateCount;
}
/**
* Set the schema version for an extension by looking at its latest update
*
* @param \SimpleXMLElement $schema Schema Tag
* @param integer $eid Extension ID
*
* @return void
*
* @since 3.1
*/
public function setSchemaVersion(\SimpleXMLElement $schema, $eid)
{
if ($eid && $schema) {
$db = $this->getDatabase();
$schemapaths = $schema->children();
if (!$schemapaths) {
return;
}
if (\count($schemapaths)) {
$dbDriver = $db->getServerType();
$schemapath = '';
foreach ($schemapaths as $entry) {
$attrs = $entry->attributes();
if ($attrs['type'] == $dbDriver) {
$schemapath = $entry;
break;
}
}
if ($schemapath !== '') {
$files = str_replace('.sql', '', Folder::files($this->getPath('extension_root') . '/' . $schemapath, '\.sql$'));
usort($files, 'version_compare');
// Update the database
$query = $db->getQuery(true)
->delete('#__schemas')
->where('extension_id = :extension_id')
->bind(':extension_id', $eid, ParameterType::INTEGER);
$db->setQuery($query);
if ($db->execute()) {
$schemaVersion = end($files);
$query->clear()
->insert($db->quoteName('#__schemas'))
->columns([$db->quoteName('extension_id'), $db->quoteName('version_id')])
->values(':extension_id, :version_id')
->bind(':extension_id', $eid, ParameterType::INTEGER)
->bind(':version_id', $schemaVersion);
$db->setQuery($query);
$db->execute();
}
}
}
}
}
/**
* Method to process the updates for an item
*
* @param \SimpleXMLElement $schema The XML node to process
* @param integer $eid Extension Identifier
*
* @return boolean|int Number of SQL updates executed; false on failure.
*
* @since 3.1
*/
public function parseSchemaUpdates(\SimpleXMLElement $schema, $eid)
{
$updateCount = 0;
// Ensure we have an XML element and a valid extension id
if (!$eid || !$schema) {
return $updateCount;
}
$db = $this->getDatabase();
$schemapaths = $schema->children();
if (!\count($schemapaths)) {
return $updateCount;
}
$dbDriver = $db->getServerType();
$schemapath = '';
foreach ($schemapaths as $entry) {
$attrs = $entry->attributes();
// Assuming that the type is a mandatory attribute but if it is not mandatory then there should be a discussion for it.
$uDriver = strtolower($attrs['type']);
if ($uDriver === 'mysqli' || $uDriver === 'pdomysql') {
$uDriver = 'mysql';
} elseif ($uDriver === 'pgsql') {
$uDriver = 'postgresql';
}
if ($uDriver == $dbDriver) {
$schemapath = $entry;
break;
}
}
if ($schemapath === '') {
return $updateCount;
}
$files = Folder::files($this->getPath('extension_root') . '/' . $schemapath, '\.sql$');
if (empty($files)) {
return $updateCount;
}
Log::add(Text::_('JLIB_INSTALLER_SQL_BEGIN'), Log::INFO, 'Update');
$files = str_replace('.sql', '', $files);
usort($files, 'version_compare');
$query = $db->getQuery(true)
->select('version_id')
->from('#__schemas')
->where('extension_id = :extension_id')
->bind(':extension_id', $eid, ParameterType::INTEGER);
$db->setQuery($query);
$hasVersion = true;
try {
$version = $db->loadResult();
// No version - use initial version.
if (!$version) {
$version = '0.0.0';
$hasVersion = false;
}
} catch (ExecutionFailureException $e) {
$version = '0.0.0';
}
Log::add(Text::sprintf('JLIB_INSTALLER_SQL_BEGIN_SCHEMA', $version), Log::INFO, 'Update');
foreach ($files as $file) {
// Skip over files earlier or equal to the latest schema version recorded for this extension.
if (version_compare($file, $version) <= 0) {
continue;
}
$buffer = file_get_contents(sprintf("%s/%s/%s.sql", $this->getPath('extension_root'), $schemapath, $file));
// Graceful exit and rollback if read not successful
if ($buffer === false) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_SQL_READBUFFER'), Log::WARNING, 'jerror');
return false;
}
// Create an array of queries from the sql file
$queries = self::splitSql($buffer);
// Process each query in the $queries array (split out of sql file).
foreach ($queries as $query) {
$canFail = strlen($query) > self::CAN_FAIL_MARKER_LENGTH + 1 &&
strtoupper(substr($query, -self::CAN_FAIL_MARKER_LENGTH - 1)) === (self::CAN_FAIL_MARKER . ';');
$query = $canFail ? (substr($query, 0, -self::CAN_FAIL_MARKER_LENGTH - 1) . ';') : $query;
$queryString = (string) $query;
$queryString = str_replace(["\r", "\n"], ['', ' '], substr($queryString, 0, 80));
try {
$db->setQuery($query)->execute();
} catch (\RuntimeException $e) {
if (!$canFail) {
$errorMessage = Text::sprintf('JLIB_INSTALLER_ERROR_SQL_ERROR', $e->getMessage());
// Log the error in the update log file
Log::add(Text::sprintf('JLIB_INSTALLER_UPDATE_LOG_QUERY', $file, $queryString), Log::INFO, 'Update');
Log::add($errorMessage, Log::INFO, 'Update');
Log::add(Text::_('JLIB_INSTALLER_SQL_END_NOT_COMPLETE'), Log::INFO, 'Update');
// Show the error message to the user
Log::add($errorMessage, Log::WARNING, 'jerror');
return false;
}
}
Log::add(Text::sprintf('JLIB_INSTALLER_UPDATE_LOG_QUERY', $file, $queryString), Log::INFO, 'Update');
$updateCount++;
}
// Update the schema version for this extension
try {
$this->updateSchemaTable($eid, $file, $hasVersion);
$hasVersion = true;
} catch (ExecutionFailureException $e) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_SQL_ERROR', $e->getMessage()), Log::WARNING, 'jerror');
return false;
}
}
Log::add(Text::_('JLIB_INSTALLER_SQL_END'), Log::INFO, 'Update');
return $updateCount;
}
/**
* Update the schema table with the latest version
*
* @param int $eid Extension ID.
* @param string $version Latest schema version ID.
* @param boolean $update Should I run an update against an existing record or insert a new one?
*
* @return void
*
* @since 4.2.0
*/
protected function updateSchemaTable(int $eid, string $version, bool $update = false): void
{
$db = $this->getDatabase();
$o = (object) [
'extension_id' => $eid,
'version_id' => $version,
];
try {
if ($update) {
$db->updateObject('#__schemas', $o, 'extension_id');
} else {
$db->insertObject('#__schemas', $o);
}
} catch (ExecutionFailureException $e) {
/**
* Safe fallback: delete any existing record and insert afresh.
*
* It is possible that the schema version may be populated after we detected it does not
* exist (or removed after we detected it exists) and before we finish executing the SQL
* update script. This could happen e.g. if the update SQL script messes with it, or if
* another process is also tinkering with the #__schemas table.
*
* The safe fallback below even runs inside a transaction to prevent interference from
* another process.
*/
$db->transactionStart();
$query = $db->getQuery(true)
->delete('#__schemas')
->where('extension_id = :extension_id')
->bind(':extension_id', $eid, ParameterType::INTEGER);
$db->setQuery($query)->execute();
$db->insertObject('#__schemas', $o);
$db->transactionCommit();
}
}
/**
* Method to parse through a files element of the installation manifest and take appropriate
* action.
*
* @param \SimpleXMLElement $element The XML node to process
* @param integer $cid Application ID of application to install to
* @param array $oldFiles List of old files (SimpleXMLElement's)
* @param array $oldMD5 List of old MD5 sums (indexed by filename with value as MD5)
*
* @return boolean True on success
*
* @since 3.1
*/
public function parseFiles(\SimpleXMLElement $element, $cid = 0, $oldFiles = null, $oldMD5 = null)
{
// Get the array of file nodes to process; we checked whether this had children above.
if (!$element || !\count($element->children())) {
// Either the tag does not exist or has no children (hence no files to process) therefore we return zero files processed.
return 0;
}
$copyfiles = [];
// Get the client info
$client = ApplicationHelper::getClientInfo($cid);
/*
* Here we set the folder we are going to remove the files from.
*/
if ($client) {
$pathname = 'extension_' . $client->name;
$destination = $this->getPath($pathname);
} else {
$pathname = 'extension_root';
$destination = $this->getPath($pathname);
}
/*
* Here we set the folder we are going to copy the files from.
*
* Does the element have a folder attribute?
*
* If so this indicates that the files are in a subdirectory of the source
* folder and we should append the folder attribute to the source path when
* copying files.
*/
$folder = (string) $element->attributes()->folder;
if ($folder && file_exists($this->getPath('source') . '/' . $folder)) {
$source = $this->getPath('source') . '/' . $folder;
} else {
$source = $this->getPath('source');
}
// Work out what files have been deleted
if ($oldFiles && ($oldFiles instanceof \SimpleXMLElement)) {
$oldEntries = $oldFiles->children();
if (\count($oldEntries)) {
$deletions = $this->findDeletedFiles($oldEntries, $element->children());
foreach ($deletions['folders'] as $deleted_folder) {
$folder = $destination . '/' . $deleted_folder;
if (Folder::exists($folder) && !Folder::delete($folder)) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_FILE_FOLDER', $folder), Log::WARNING, 'jerror');
}
}
foreach ($deletions['files'] as $deleted_file) {
$file = $destination . '/' . $deleted_file;
if (is_file($file) && !File::delete($file)) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_FILE_FOLDER', $file), Log::WARNING, 'jerror');
}
}
}
}
$path = [];
// Copy the MD5SUMS file if it exists
if (file_exists($source . '/MD5SUMS')) {
$path['src'] = $source . '/MD5SUMS';
$path['dest'] = $destination . '/MD5SUMS';
$path['type'] = 'file';
$copyfiles[] = $path;
}
// Process each file in the $files array (children of $tagName).
foreach ($element->children() as $file) {
$path['src'] = $source . '/' . $file;
$path['dest'] = $destination . '/' . $file;
// Is this path a file or folder?
$path['type'] = $file->getName() === 'folder' ? 'folder' : 'file';
/*
* Before we can add a file to the copyfiles array we need to ensure
* that the folder we are copying our file to exists and if it doesn't,
* we need to create it.
*/
if (basename($path['dest']) !== $path['dest']) {
$newdir = \dirname($path['dest']);
if (!Folder::create($newdir)) {
Log::add(
Text::sprintf(
'JLIB_INSTALLER_ABORT_CREATE_DIRECTORY',
Text::_('JLIB_INSTALLER_INSTALL'),
$newdir
),
Log::WARNING,
'jerror'
);
return false;
}
}
// Add the file to the copyfiles array
$copyfiles[] = $path;
}
return $this->copyFiles($copyfiles);
}
/**
* Method to parse through a languages element of the installation manifest and take appropriate
* action.
*
* @param \SimpleXMLElement $element The XML node to process
* @param integer $cid Application ID of application to install to
*
* @return boolean True on success
*
* @since 3.1
*/
public function parseLanguages(\SimpleXMLElement $element, $cid = 0)
{
// TODO: work out why the below line triggers 'node no longer exists' errors with files
if (!$element || !\count($element->children())) {
// Either the tag does not exist or has no children therefore we return zero files processed.
return 0;
}
$copyfiles = [];
// Get the client info
$client = ApplicationHelper::getClientInfo($cid);
// Here we set the folder we are going to copy the files to.
// 'languages' Files are copied to JPATH_BASE/language/ folder
$destination = $client->path . '/language';
/*
* Here we set the folder we are going to copy the files from.
*
* Does the element have a folder attribute?
*
* If so this indicates that the files are in a subdirectory of the source
* folder and we should append the folder attribute to the source path when
* copying files.
*/
$folder = (string) $element->attributes()->folder;
if ($folder && file_exists($this->getPath('source') . '/' . $folder)) {
$source = $this->getPath('source') . '/' . $folder;
} else {
$source = $this->getPath('source');
}
// Process each file in the $files array (children of $tagName).
foreach ($element->children() as $file) {
/*
* Language files go in a subfolder based on the language code, ie.
* <language tag="en-US">en-US.mycomponent.ini</language>
* would go in the en-US subdirectory of the language folder.
*/
// We will only install language files where a core language pack
// already exists.
if ((string) $file->attributes()->tag !== '') {
$path = [];
$path['src'] = $source . '/' . $file;
if ((string) $file->attributes()->client !== '') {
// Override the client
$langclient = ApplicationHelper::getClientInfo((string) $file->attributes()->client, true);
$path['dest'] = $langclient->path . '/language/' . $file->attributes()->tag . '/' . basename((string) $file);
} else {
// Use the default client
$path['dest'] = $destination . '/' . $file->attributes()->tag . '/' . basename((string) $file);
}
// If the language folder is not present, then the core pack hasn't been installed... ignore
if (!Folder::exists(\dirname($path['dest']))) {
continue;
}
} else {
$path = [];
$path['src'] = $source . '/' . $file;
$path['dest'] = $destination . '/' . $file;
}
/*
* Before we can add a file to the copyfiles array we need to ensure
* that the folder we are copying our file to exists and if it doesn't,
* we need to create it.
*/
if (basename($path['dest']) !== $path['dest']) {
$newdir = \dirname($path['dest']);
if (!Folder::create($newdir)) {
Log::add(
Text::sprintf(
'JLIB_INSTALLER_ABORT_CREATE_DIRECTORY',
Text::_('JLIB_INSTALLER_INSTALL'),
$newdir
),
Log::WARNING,
'jerror'
);
return false;
}
}
// Add the file to the copyfiles array
$copyfiles[] = $path;
}
return $this->copyFiles($copyfiles);
}
/**
* Method to parse through a media element of the installation manifest and take appropriate
* action.
*
* @param \SimpleXMLElement $element The XML node to process
* @param integer $cid Application ID of application to install to
*
* @return boolean True on success
*
* @since 3.1
*/
public function parseMedia(\SimpleXMLElement $element, $cid = 0)
{
if (!$element || !\count($element->children())) {
// Either the tag does not exist or has no children therefore we return zero files processed.
return 0;
}
$copyfiles = [];
// Here we set the folder we are going to copy the files to.
// Default 'media' Files are copied to the JPATH_BASE/media folder
$folder = ((string) $element->attributes()->destination) ? '/' . $element->attributes()->destination : null;
$destination = Path::clean(JPATH_ROOT . '/media' . $folder);
// Here we set the folder we are going to copy the files from.
/*
* Does the element have a folder attribute?
* If so this indicates that the files are in a subdirectory of the source
* folder and we should append the folder attribute to the source path when
* copying files.
*/
$folder = (string) $element->attributes()->folder;
if ($folder && file_exists($this->getPath('source') . '/' . $folder)) {
$source = $this->getPath('source') . '/' . $folder;
} else {
$source = $this->getPath('source');
}
// Process each file in the $files array (children of $tagName).
foreach ($element->children() as $file) {
$path = [];
$path['src'] = $source . '/' . $file;
$path['dest'] = $destination . '/' . $file;
// Is this path a file or folder?
$path['type'] = $file->getName() === 'folder' ? 'folder' : 'file';
/*
* Before we can add a file to the copyfiles array we need to ensure
* that the folder we are copying our file to exists and if it doesn't,
* we need to create it.
*/
if (basename($path['dest']) !== $path['dest']) {
$newdir = \dirname($path['dest']);
if (!Folder::create($newdir)) {
Log::add(
Text::sprintf(
'JLIB_INSTALLER_ABORT_CREATE_DIRECTORY',
Text::_('JLIB_INSTALLER_INSTALL'),
$newdir
),
Log::WARNING,
'jerror'
);
return false;
}
}
// Add the file to the copyfiles array
$copyfiles[] = $path;
}
return $this->copyFiles($copyfiles);
}
/**
* Method to parse the parameters of an extension, build the JSON string for its default parameters, and return the JSON string.
*
* @return string JSON string of parameter values
*
* @since 3.1
* @note This method must always return a JSON compliant string
*/
public function getParams()
{
// Validate that we have a fieldset to use
if (!isset($this->manifest->config->fields->fieldset)) {
return '{}';
}
// Getting the fieldset tags
$fieldsets = $this->manifest->config->fields->fieldset;
// Creating the data collection variable:
$ini = [];
// Iterating through the fieldsets:
foreach ($fieldsets as $fieldset) {
if (!\count($fieldset->children())) {
// Either the tag does not exist or has no children therefore we return zero files processed.
return '{}';
}
// Iterating through the fields and collecting the name/default values:
foreach ($fieldset as $field) {
// Check against the null value since otherwise default values like "0"
// cause entire parameters to be skipped.
if (($name = $field->attributes()->name) === null) {
continue;
}
if (($value = $field->attributes()->default) === null) {
continue;
}
$ini[(string) $name] = (string) $value;
}
}
return json_encode($ini);
}
/**
* Copyfiles
*
* Copy files from source directory to the target directory
*
* @param array $files Array with filenames
* @param boolean $overwrite True if existing files can be replaced
*
* @return boolean True on success
*
* @since 3.1
*/
public function copyFiles($files, $overwrite = null)
{
/*
* To allow for manual override on the overwriting flag, we check to see if
* the $overwrite flag was set and is a boolean value. If not, use the object
* allowOverwrite flag.
*/
if ($overwrite === null || !\is_bool($overwrite)) {
$overwrite = $this->overwrite;
}
/*
* $files must be an array of filenames. Verify that it is an array with
* at least one file to copy.
*/
if (\is_array($files) && \count($files) > 0) {
foreach ($files as $file) {
// Get the source and destination paths
$filesource = Path::clean($file['src']);
$filedest = Path::clean($file['dest']);
$filetype = \array_key_exists('type', $file) ? $file['type'] : 'file';
if (!file_exists($filesource)) {
/*
* The source file does not exist. Nothing to copy so set an error
* and return false.
*/
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_NO_FILE', $filesource), Log::WARNING, 'jerror');
return false;
} elseif (($exists = file_exists($filedest)) && !$overwrite) {
// It's okay if the manifest already exists
if ($this->getPath('manifest') === $filesource) {
continue;
}
// The destination file already exists and the overwrite flag is false.
// Set an error and return false.
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_FILE_EXISTS', $filedest), Log::WARNING, 'jerror');
return false;
} else {
// Copy the folder or file to the new location.
if ($filetype === 'folder') {
if (!Folder::copy($filesource, $filedest, null, $overwrite)) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_FAIL_COPY_FOLDER', $filesource, $filedest), Log::WARNING, 'jerror');
return false;
}
$step = ['type' => 'folder', 'path' => $filedest];
} else {
if (!File::copy($filesource, $filedest, null)) {
Log::add(Text::sprintf('JLIB_INSTALLER_ERROR_FAIL_COPY_FILE', $filesource, $filedest), Log::WARNING, 'jerror');
// In 3.2, TinyMCE language handling changed. Display a special notice in case an older language pack is installed.
if (strpos($filedest, 'media/editors/tinymce/jscripts/tiny_mce/langs')) {
Log::add(Text::_('JLIB_INSTALLER_NOT_ERROR'), Log::WARNING, 'jerror');
}
return false;
}
$step = ['type' => 'file', 'path' => $filedest];
}
/*
* Since we copied a file/folder, we want to add it to the installation step stack so that
* in case we have to roll back the installation we can remove the files copied.
*/
if (!$exists) {
$this->stepStack[] = $step;
}
}
}
} else {
// The $files variable was either not an array or an empty array
return false;
}
return \count($files);
}
/**
* Method to parse through a files element of the installation manifest and remove
* the files that were installed
*
* @param object $element The XML node to process
* @param integer $cid Application ID of application to remove from
*
* @return boolean True on success
*
* @since 3.1
*/
public function removeFiles($element, $cid = 0)
{
if (!$element || !\count($element->children())) {
// Either the tag does not exist or has no children therefore we return zero files processed.
return true;
}
$retval = true;
// Get the client info if we're using a specific client
if ($cid > -1) {
$client = ApplicationHelper::getClientInfo($cid);
} else {
$client = null;
}
// Get the array of file nodes to process
$files = $element->children();
if (\count($files) === 0) {
// No files to process
return true;
}
$folder = '';
/*
* Here we set the folder we are going to remove the files from. There are a few
* special cases that need to be considered for certain reserved tags.
*/
switch ($element->getName()) {
case 'media':
if ((string) $element->attributes()->destination) {
$folder = (string) $element->attributes()->destination;
} else {
$folder = '';
}
$source = $client->path . '/media/' . $folder;
break;
case 'languages':
$lang_client = (string) $element->attributes()->client;
if ($lang_client) {
$client = ApplicationHelper::getClientInfo($lang_client, true);
$source = $client->path . '/language';
} else {
if ($client) {
$source = $client->path . '/language';
} else {
$source = '';
}
}
break;
default:
if ($client) {
$pathname = 'extension_' . $client->name;
$source = $this->getPath($pathname);
} else {
$pathname = 'extension_root';
$source = $this->getPath($pathname);
}
break;
}
// Process each file in the $files array (children of $tagName).
foreach ($files as $file) {
/*
* If the file is a language, we must handle it differently. Language files
* go in a subdirectory based on the language code, ie.
* <language tag="en_US">en_US.mycomponent.ini</language>
* would go in the en_US subdirectory of the languages directory.
*/
if ($file->getName() === 'language' && (string) $file->attributes()->tag !== '') {
if ($source) {
$path = $source . '/' . $file->attributes()->tag . '/' . basename((string) $file);
} else {
$target_client = ApplicationHelper::getClientInfo((string) $file->attributes()->client, true);
$path = $target_client->path . '/language/' . $file->attributes()->tag . '/' . basename((string) $file);
}
// If the language folder is not present, then the core pack hasn't been installed... ignore
if (!Folder::exists(\dirname($path))) {
continue;
}
} else {
$path = $source . '/' . $file;
}
// Actually delete the files/folders
if (is_dir($path)) {
$val = Folder::delete($path);
} else {
$val = File::delete($path);
}
if ($val === false) {
Log::add('Failed to delete ' . $path, Log::WARNING, 'jerror');
$retval = false;
}
}
if (!empty($folder)) {
Folder::delete($source);
}
return $retval;
}
/**
* Copies the installation manifest file to the extension folder in the given client
*
* @param integer $cid Where to copy the installfile [optional: defaults to 1 (admin)]
*
* @return boolean True on success, False on error
*
* @since 3.1
*/
public function copyManifest($cid = 1)
{
// Get the client info
$client = ApplicationHelper::getClientInfo($cid);
$path = ['src' => $this->getPath('manifest')];
if ($client) {
$pathname = 'extension_' . $client->name;
$path['dest'] = $this->getPath($pathname) . '/' . basename($this->getPath('manifest'));
} else {
$pathname = 'extension_root';
$path['dest'] = $this->getPath($pathname) . '/' . basename($this->getPath('manifest'));
}
return $this->copyFiles([$path], true);
}
/**
* Tries to find the package manifest file
*
* @return boolean True on success, False on error
*
* @since 3.1
*/
public function findManifest()
{
// Do nothing if folder does not exist for some reason
if (!Folder::exists($this->getPath('source'))) {
return false;
}
// Main folder manifests (higher priority)
$parentXmlfiles = Folder::files($this->getPath('source'), '.xml$', false, true);
// Search for children manifests (lower priority)
$allXmlFiles = Folder::files($this->getPath('source'), '.xml$', 1, true);
// Create an unique array of files ordered by priority
$xmlfiles = array_unique(array_merge($parentXmlfiles, $allXmlFiles));
// If at least one XML file exists
if (!empty($xmlfiles)) {
foreach ($xmlfiles as $file) {
// Is it a valid Joomla installation manifest file?
$manifest = $this->isManifest($file);
if ($manifest !== null) {
// If the root method attribute is set to upgrade, allow file overwrite
if ((string) $manifest->attributes()->method === 'upgrade') {
$this->upgrade = true;
$this->overwrite = true;
}
// If the overwrite option is set, allow file overwriting
if ((string) $manifest->attributes()->overwrite === 'true') {
$this->overwrite = true;
}
// Set the manifest object and path
$this->manifest = $manifest;
$this->setPath('manifest', $file);
// Set the installation source path to that of the manifest file
$this->setPath('source', \dirname($file));
return true;
}
}
// None of the XML files found were valid install files
Log::add(Text::_('JLIB_INSTALLER_ERROR_NOTFINDJOOMLAXMLSETUPFILE'), Log::WARNING, 'jerror');
return false;
} else {
// No XML files were found in the install folder
Log::add(Text::_('JLIB_INSTALLER_ERROR_NOTFINDXMLSETUPFILE'), Log::WARNING, 'jerror');
return false;
}
}
/**
* Is the XML file a valid Joomla installation manifest file.
*
* @param string $file An xmlfile path to check
*
* @return \SimpleXMLElement|null A \SimpleXMLElement, or null if the file failed to parse
*
* @since 3.1
*/
public function isManifest($file)
{
$xml = simplexml_load_file($file);
// If we cannot load the XML file return null
if (!$xml) {
return;
}
// Check for a valid XML root tag.
if ($xml->getName() !== 'extension') {
return;
}
// Valid manifest file return the object
return $xml;
}
/**
* Generates a manifest cache
*
* @return string serialised manifest data
*
* @since 3.1
*/
public function generateManifestCache()
{
return json_encode(self::parseXMLInstallFile($this->getPath('manifest')));
}
/**
* Cleans up discovered extensions if they're being installed some other way
*
* @param string $type The type of extension (component, etc)
* @param string $element Unique element identifier (e.g. com_content)
* @param string $folder The folder of the extension (plugins; e.g. system)
* @param integer $client The client application (administrator or site)
*
* @return object Result of query
*
* @since 3.1
*/
public function cleanDiscoveredExtension($type, $element, $folder = '', $client = 0)
{
$db = $this->getDatabase();
$query = $db->getQuery(true)
->delete($db->quoteName('#__extensions'))
->where('type = :type')
->where('element = :element')
->where('folder = :folder')
->where('client_id = :client_id')
->where('state = -1')
->bind(':type', $type)
->bind(':element', $element)
->bind(':folder', $folder)
->bind(':client_id', $client, ParameterType::INTEGER);
$db->setQuery($query);
return $db->execute();
}
/**
* Compares two "files" entries to find deleted files/folders
*
* @param array $oldFiles An array of \SimpleXMLElement objects that are the old files
* @param array $newFiles An array of \SimpleXMLElement objects that are the new files
*
* @return array An array with the delete files and folders in findDeletedFiles[files] and findDeletedFiles[folders] respectively
*
* @since 3.1
*/
public function findDeletedFiles($oldFiles, $newFiles)
{
// The magic find deleted files function!
// The files that are new
$files = [];
// The folders that are new
$folders = [];
// The folders of the files that are new
$containers = [];
// A list of files to delete
$files_deleted = [];
// A list of folders to delete
$folders_deleted = [];
foreach ($newFiles as $file) {
switch ($file->getName()) {
case 'folder':
// Add any folders to the list
$folders[] = (string) $file;
break;
case 'file':
default:
// Add any files to the list
$files[] = (string) $file;
// Now handle the folder part of the file to ensure we get any containers
// Break up the parts of the directory
$container_parts = explode('/', \dirname((string) $file));
// Make sure this is clean and empty
$container = '';
foreach ($container_parts as $part) {
// Iterate through each part
// Add a slash if its not empty
if (!empty($container)) {
$container .= '/';
}
// Append the folder part
$container .= $part;
if (!\in_array($container, $containers)) {
// Add the container if it doesn't already exist
$containers[] = $container;
}
}
break;
}
}
foreach ($oldFiles as $file) {
switch ($file->getName()) {
case 'folder':
if (!\in_array((string) $file, $folders)) {
// See whether the folder exists in the new list
if (!\in_array((string) $file, $containers)) {
// Check if the folder exists as a container in the new list
// If it's not in the new list or a container then delete it
$folders_deleted[] = (string) $file;
}
}
break;
case 'file':
default:
if (!\in_array((string) $file, $files)) {
// Look if the file exists in the new list
if (!\in_array(\dirname((string) $file), $folders)) {
// Look if the file is now potentially in a folder
$files_deleted[] = (string) $file;
}
}
break;
}
}
return ['files' => $files_deleted, 'folders' => $folders_deleted];
}
/**
* Loads an MD5SUMS file into an associative array
*
* @param string $filename Filename to load
*
* @return array Associative array with filenames as the index and the MD5 as the value
*
* @since 3.1
*/
public function loadMD5Sum($filename)
{
if (!file_exists($filename)) {
// Bail if the file doesn't exist
return false;
}
$data = file($filename, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
$retval = [];
foreach ($data as $row) {
// Split up the data
$results = explode(' ', $row);
// Cull any potential prefix
$results[1] = str_replace('./', '', $results[1]);
// Throw into the array
$retval[$results[1]] = $results[0];
}
return $retval;
}
/**
* Parse a XML install manifest file.
*
* XML Root tag should be 'install' except for languages which use meta file.
*
* @param string $path Full path to XML file.
*
* @return array XML metadata.
*
* @since 3.0.0
*/
public static function parseXMLInstallFile($path)
{
// Check if xml file exists.
if (!file_exists($path)) {
return false;
}
// Read the file to see if it's a valid component XML file
$xml = simplexml_load_file($path);
if (!$xml) {
return false;
}
// Check for a valid XML root tag.
// Extensions use 'extension' as the root tag. Languages use 'metafile' instead
$name = $xml->getName();
if ($name !== 'extension' && $name !== 'metafile') {
unset($xml);
return false;
}
$data = [];
$data['name'] = (string) $xml->name;
// Check if we're a language. If so use metafile.
$data['type'] = $xml->getName() === 'metafile' ? 'language' : (string) $xml->attributes()->type;
$data['creationDate'] = ((string) $xml->creationDate) ?: Text::_('JLIB_UNKNOWN');
$data['author'] = ((string) $xml->author) ?: Text::_('JLIB_UNKNOWN');
$data['copyright'] = (string) $xml->copyright;
$data['authorEmail'] = (string) $xml->authorEmail;
$data['authorUrl'] = (string) $xml->authorUrl;
$data['version'] = (string) $xml->version;
$data['description'] = (string) $xml->description;
$data['group'] = (string) $xml->group;
// Child template specific fields.
if (isset($xml->inheritable)) {
$data['inheritable'] = (string) $xml->inheritable === '0' ? false : true;
}
// Child template specific fields.
if (isset($xml->namespace) && (string) $xml->namespace !== '') {
$data['namespace'] = (string) $xml->namespace;
}
if (isset($xml->parent) && (string) $xml->parent !== '') {
$data['parent'] = (string) $xml->parent;
}
if ($xml->files && \count($xml->files->children())) {
$filename = basename($path);
$data['filename'] = File::stripExt($filename);
foreach ($xml->files->children() as $oneFile) {
if ((string) $oneFile->attributes()->plugin) {
$data['filename'] = (string) $oneFile->attributes()->plugin;
break;
}
}
}
return $data;
}
/**
* Gets a list of available install adapters.
*
* @param array $options An array of options to inject into the adapter
* @param array $custom Array of custom install adapters
*
* @return string[] An array of the class names of available install adapters.
*
* @since 3.4
*/
public function getAdapters($options = [], array $custom = [])
{
$files = new \DirectoryIterator($this->_basepath . '/' . $this->_adapterfolder);
$adapters = [];
// Process the core adapters
foreach ($files as $file) {
$fileName = $file->getFilename();
// Only load for php files.
if (!$file->isFile() || $file->getExtension() !== 'php') {
continue;
}
// Derive the class name from the filename.
$name = str_ireplace('.php', '', trim($fileName));
$name = str_ireplace('adapter', '', trim($name));
$class = rtrim($this->_classprefix, '\\') . '\\' . ucfirst($name) . 'Adapter';
if (!class_exists($class)) {
// Not namespaced
$class = $this->_classprefix . ucfirst($name);
}
// Core adapters should autoload based on classname, keep this fallback just in case
if (!class_exists($class)) {
// Try to load the adapter object
\JLoader::register($class, $this->_basepath . '/' . $this->_adapterfolder . '/' . $fileName);
if (!class_exists($class)) {
// Skip to next one
continue;
}
}
$adapters[] = $name;
}
// Add any custom adapters if specified
if (\count($custom) >= 1) {
foreach ($custom as $adapter) {
// Setup the class name
// TODO - Can we abstract this to not depend on the Joomla class namespace without PHP namespaces?
$class = $this->_classprefix . ucfirst(trim($adapter));
// If the class doesn't exist we have nothing left to do but look at the next type. We did our best.
if (!class_exists($class)) {
continue;
}
$adapters[] = str_ireplace('.php', '', $fileName);
}
}
return $adapters;
}
/**
* Method to load an adapter instance
*
* @param string $adapter Adapter name
* @param array $options Adapter options
*
* @return InstallerAdapter
*
* @since 3.4
* @throws \InvalidArgumentException
*/
public function loadAdapter($adapter, $options = [])
{
$class = rtrim($this->_classprefix, '\\') . '\\' . ucfirst($adapter) . 'Adapter';
if (!class_exists($class)) {
// Not namespaced
$class = $this->_classprefix . ucfirst($adapter);
}
if (!class_exists($class)) {
throw new \InvalidArgumentException(sprintf('The %s install adapter does not exist.', $adapter));
}
// Ensure the adapter type is part of the options array
$options['type'] = $adapter;
// Check for a possible service from the container otherwise manually instantiate the class
if (Factory::getContainer()->has($class)) {
return Factory::getContainer()->get($class);
}
$adapter = new $class($this, $this->getDatabase(), $options);
if ($adapter instanceof ContainerAwareInterface) {
$adapter->setContainer(Factory::getContainer());
}
return $adapter;
}
}