320 lines
9.2 KiB
PHP
320 lines
9.2 KiB
PHP
<?php
|
|
/**
|
|
* @author Bernhard Posselt <dev@bernhard-posselt.com>
|
|
* @author Joas Schilling <nickvergessen@owncloud.com>
|
|
* @author Lukas Reschke <lukas@owncloud.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
*
|
|
* @copyright Copyright (c) 2016, 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;
|
|
/** @var array */
|
|
private $appInfo;
|
|
|
|
/**
|
|
* @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(array $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)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Truncates both versions to the lowest common version, e.g.
|
|
* 5.1.2.3 and 5.1 will be turned into 5.1 and 5.1,
|
|
* 5.2.6.5 and 5.1 will be turned into 5.2 and 5.1
|
|
* @param string $first
|
|
* @param string $second
|
|
* @return string[] first element is the first version, second element is the
|
|
* second version
|
|
*/
|
|
private function normalizeVersions($first, $second) {
|
|
$first = explode('.', $first);
|
|
$second = explode('.', $second);
|
|
|
|
// get both arrays to the same minimum size
|
|
$length = min(count($second), count($first));
|
|
$first = array_slice($first, 0, $length);
|
|
$second = array_slice($second, 0, $length);
|
|
|
|
return [implode('.', $first), implode('.', $second)];
|
|
}
|
|
|
|
/**
|
|
* Parameters will be normalized and then passed into version_compare
|
|
* in the same order they are specified in the method header
|
|
* @param string $first
|
|
* @param string $second
|
|
* @param string $operator
|
|
* @return bool result similar to version_compare
|
|
*/
|
|
private function compare($first, $second, $operator) {
|
|
// we cant normalize versions if one of the given parameters is not a
|
|
// version string but null. In case one parameter is null normalization
|
|
// will therefore be skipped
|
|
if ($first !== null && $second !== null) {
|
|
list($first, $second) = $this->normalizeVersions($first, $second);
|
|
}
|
|
|
|
return version_compare($first, $second, $operator);
|
|
}
|
|
|
|
/**
|
|
* Checks if a version is bigger than another version
|
|
* @param string $first
|
|
* @param string $second
|
|
* @return bool true if the first version is bigger than the second
|
|
*/
|
|
private function compareBigger($first, $second) {
|
|
return $this->compare($first, $second, '>');
|
|
}
|
|
|
|
/**
|
|
* Checks if a version is smaller than another version
|
|
* @param string $first
|
|
* @param string $second
|
|
* @return bool true if the first version is smaller than the second
|
|
*/
|
|
private function compareSmaller($first, $second) {
|
|
return $this->compare($first, $second, '<');
|
|
}
|
|
|
|
/**
|
|
* @param array $dependencies
|
|
* @return array
|
|
*/
|
|
private function analyzePhpVersion(array $dependencies) {
|
|
$missing = [];
|
|
if (isset($dependencies['php']['@attributes']['min-version'])) {
|
|
$minVersion = $dependencies['php']['@attributes']['min-version'];
|
|
if ($this->compareSmaller($this->platform->getPhpVersion(), $minVersion)) {
|
|
$missing[] = (string)$this->l->t('PHP %s or higher is required.', $minVersion);
|
|
}
|
|
}
|
|
if (isset($dependencies['php']['@attributes']['max-version'])) {
|
|
$maxVersion = $dependencies['php']['@attributes']['max-version'];
|
|
if ($this->compareBigger($this->platform->getPhpVersion(), $maxVersion)) {
|
|
$missing[] = (string)$this->l->t('PHP with a version lower than %s is required.', $maxVersion);
|
|
}
|
|
}
|
|
return $missing;
|
|
}
|
|
|
|
/**
|
|
* @param array $dependencies
|
|
* @return array
|
|
*/
|
|
private function analyzeDatabases(array $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;
|
|
}
|
|
|
|
/**
|
|
* @param array $dependencies
|
|
* @return array
|
|
*/
|
|
private function analyzeCommands(array $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;
|
|
}
|
|
|
|
/**
|
|
* @param array $dependencies
|
|
* @return array
|
|
*/
|
|
private function analyzeLibraries(array $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 = $lib['@attributes']['min-version'];
|
|
if ($this->compareSmaller($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 = $lib['@attributes']['max-version'];
|
|
if ($this->compareBigger($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;
|
|
}
|
|
|
|
/**
|
|
* @param array $dependencies
|
|
* @return array
|
|
*/
|
|
private function analyzeOS(array $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;
|
|
}
|
|
|
|
/**
|
|
* @param array $dependencies
|
|
* @param array $appInfo
|
|
* @return array
|
|
*/
|
|
private function analyzeOC(array $dependencies, array $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 ($this->compareSmaller($this->platform->getOcVersion(), $minVersion)) {
|
|
$missing[] = (string)$this->l->t('ownCloud %s or higher is required.', $minVersion);
|
|
}
|
|
}
|
|
if (!is_null($maxVersion)) {
|
|
if ($this->compareBigger($this->platform->getOcVersion(), $maxVersion)) {
|
|
$missing[] = (string)$this->l->t('ownCloud %s or lower is required.', $maxVersion);
|
|
}
|
|
}
|
|
return $missing;
|
|
}
|
|
|
|
/**
|
|
* @param $element
|
|
* @return mixed
|
|
*/
|
|
private function getValue($element) {
|
|
if (isset($element['@value']))
|
|
return $element['@value'];
|
|
return (string)$element;
|
|
}
|
|
}
|