nextcloud/lib/private/app/dependencyanalyzer.php

229 lines
6.7 KiB
PHP

<?php
/**
* @author Joas Schilling <nickvergessen@gmx.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\App;
use OCP\IL10N;
class DependencyAnalyzer {
/** @var Platform */
private $platform;
/** @var \OCP\IL10N */
private $l;
/**
* @param Platform $platform
* @param \OCP\IL10N $l
*/
function __construct(Platform $platform, IL10N $l) {
$this->platform = $platform;
$this->l = $l;
}
/**
* @param array $app
* @returns array of missing dependencies
*/
public function analyze($app) {
$this->appInfo = $app;
if (isset($app['dependencies'])) {
$dependencies = $app['dependencies'];
} else {
$dependencies = [];
}
return array_merge(
$this->analyzePhpVersion($dependencies),
$this->analyzeDatabases($dependencies),
$this->analyzeCommands($dependencies),
$this->analyzeLibraries($dependencies),
$this->analyzeOS($dependencies),
$this->analyzeOC($dependencies, $app));
}
private function analyzePhpVersion($dependencies) {
$missing = [];
if (isset($dependencies['php']['@attributes']['min-version'])) {
$minVersion = $dependencies['php']['@attributes']['min-version'];
if (version_compare($this->platform->getPhpVersion(), $minVersion, '<')) {
$missing[] = (string)$this->l->t('PHP %s or higher is required.', $minVersion);
}
}
if (isset($dependencies['php']['@attributes']['max-version'])) {
$maxVersion = $dependencies['php']['@attributes']['max-version'];
if (version_compare($this->platform->getPhpVersion(), $maxVersion, '>')) {
$missing[] = (string)$this->l->t('PHP with a version lower than %s is required.', $maxVersion);
}
}
return $missing;
}
private function analyzeDatabases($dependencies) {
$missing = [];
if (!isset($dependencies['database'])) {
return $missing;
}
$supportedDatabases = $dependencies['database'];
if (empty($supportedDatabases)) {
return $missing;
}
if (!is_array($supportedDatabases)) {
$supportedDatabases = array($supportedDatabases);
}
$supportedDatabases = array_map(function ($db) {
return $this->getValue($db);
}, $supportedDatabases);
$currentDatabase = $this->platform->getDatabase();
if (!in_array($currentDatabase, $supportedDatabases)) {
$missing[] = (string)$this->l->t('Following databases are supported: %s', join(', ', $supportedDatabases));
}
return $missing;
}
private function analyzeCommands($dependencies) {
$missing = [];
if (!isset($dependencies['command'])) {
return $missing;
}
$commands = $dependencies['command'];
if (!is_array($commands)) {
$commands = array($commands);
}
$os = $this->platform->getOS();
foreach ($commands as $command) {
if (isset($command['@attributes']['os']) && $command['@attributes']['os'] !== $os) {
continue;
}
$commandName = $this->getValue($command);
if (!$this->platform->isCommandKnown($commandName)) {
$missing[] = (string)$this->l->t('The command line tool %s could not be found', $commandName);
}
}
return $missing;
}
private function analyzeLibraries($dependencies) {
$missing = [];
if (!isset($dependencies['lib'])) {
return $missing;
}
$libs = $dependencies['lib'];
if (!is_array($libs)) {
$libs = array($libs);
}
foreach ($libs as $lib) {
$libName = $this->getValue($lib);
$libVersion = $this->platform->getLibraryVersion($libName);
if (is_null($libVersion)) {
$missing[] = (string)$this->l->t('The library %s is not available.', $libName);
continue;
}
if (is_array($lib)) {
if (isset($lib['@attributes']['min-version'])) {
$minVersion = $lib['@attributes']['min-version'];
if (version_compare($libVersion, $minVersion, '<')) {
$missing[] = (string)$this->l->t('Library %s with a version higher than %s is required - available version %s.',
array($libName, $minVersion, $libVersion));
}
}
if (isset($lib['@attributes']['max-version'])) {
$maxVersion = $lib['@attributes']['max-version'];
if (version_compare($libVersion, $maxVersion, '>')) {
$missing[] = (string)$this->l->t('Library %s with a version lower than %s is required - available version %s.',
array($libName, $maxVersion, $libVersion));
}
}
}
}
return $missing;
}
private function analyzeOS($dependencies) {
$missing = [];
if (!isset($dependencies['os'])) {
return $missing;
}
$oss = $dependencies['os'];
if (empty($oss)) {
return $missing;
}
if (is_array($oss)) {
$oss = array_map(function ($os) {
return $this->getValue($os);
}, $oss);
} else {
$oss = array($oss);
}
$currentOS = $this->platform->getOS();
if (!in_array($currentOS, $oss)) {
$missing[] = (string)$this->l->t('Following platforms are supported: %s', join(', ', $oss));
}
return $missing;
}
private function analyzeOC($dependencies, $appInfo) {
$missing = [];
$minVersion = null;
if (isset($dependencies['owncloud']['@attributes']['min-version'])) {
$minVersion = $dependencies['owncloud']['@attributes']['min-version'];
} elseif (isset($appInfo['requiremin'])) {
$minVersion = $appInfo['requiremin'];
} elseif (isset($appInfo['require'])) {
$minVersion = $appInfo['require'];
}
$maxVersion = null;
if (isset($dependencies['owncloud']['@attributes']['max-version'])) {
$maxVersion = $dependencies['owncloud']['@attributes']['max-version'];
} elseif (isset($appInfo['requiremax'])) {
$maxVersion = $appInfo['requiremax'];
}
if (!is_null($minVersion)) {
if (version_compare($this->platform->getOcVersion(), $minVersion, '<')) {
$missing[] = (string)$this->l->t('ownCloud %s or higher is required.', $minVersion);
}
}
if (!is_null($maxVersion)) {
if (version_compare($this->platform->getOcVersion(), $maxVersion, '>')) {
$missing[] = (string)$this->l->t('ownCloud with a version lower than %s is required.', $maxVersion);
}
}
return $missing;
}
/**
* @param $element
* @return mixed
*/
private function getValue($element) {
if (isset($element['@value']))
return $element['@value'];
return (string)$element;
}
}