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<?php |
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/** |
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* Copyright (c) 2018 Justin Kuenzel (jukusoft.com) |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/** |
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* Project: JuKuCMS |
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* License: Apache 2.0 license |
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* User: Justin |
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* Date: 08.04.2018 |
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* Time: 14:45 |
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*/ |
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class PluginInstaller { |
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//plugin to install / deinstall |
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protected $plugin = null; |
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public function __construct(Plugin $plugin) { |
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$this->plugin = $plugin; |
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} |
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/** |
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* check php version, php extensions and so on |
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* |
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* @return mixed true, if all required plugins are available, or an array with missing |
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*/ |
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public function checkRequirements (bool $dontCheckPlugins = false) { |
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//get require |
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$require_array = $this->plugin->getRequiredPlugins(); |
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//get package list |
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require(STORE_PATH . "package_list.php"); |
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$missing_plugins = array(); |
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//iterate through all requirements |
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foreach ($require_array as $requirement=>$version) { |
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if ($requirement === "php") { |
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//TODO: check php version |
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} else if (PHPUtils::startsWith($requirement, "ext-")) { |
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//check php extension |
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} else if (PHPUtils::startsWith($requirement, "package-")) { |
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//TODO: check if package is installed |
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$package = str_replace("package-", "", $requirement); |
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//packages doesnt supports specific version |
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if (!isset($package_list[$package])) { |
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$missing_plugins[] = $requirement; |
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} |
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} else if ($requirement === "core") { |
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//TODO: check core version |
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if ($version === "*") { |
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//we dont have to check version |
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} else { |
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//get current version |
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$array = explode(" ", Version::current()->getVersion()); |
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$current_core_version = $array[0]; |
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//check version |
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if (!$this->checkVersion($version, $current_core_version)) { |
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$missing_plugins[] = "core"; |
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} |
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} |
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} else { |
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if (!$dontCheckPlugins) { |
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continue; |
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} |
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//TODO: check installed plugins |
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} |
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} |
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if (empty($missing_plugins)) { |
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return true; |
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} else { |
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return $missing_plugins; |
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} |
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} |
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protected function checkVersion (string $expected_version, $current_version) : bool { |
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//check version |
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if (is_numeric($expected_version)) { |
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//a specific version is required |
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if ($current_version !== $expected_version) { |
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return false; |
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} else { |
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return true; |
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} |
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} else if ($expected_version === "*") { |
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//every version is allowed |
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return true; |
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} else { |
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//parse version string |
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$operator_length = 0; |
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for ($i = 0; $i < strlen($expected_version); $i++) { |
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if (!is_numeric($expected_version[$i])) { |
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$operator_length++; |
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} else { |
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break; |
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} |
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} |
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//get operator and version |
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$operator = substr($expected_version, 0, $operator_length); |
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$version = substr($expected_version, $operator_length); |
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if (!empty($operator_length)) { |
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return version_compare($current_version, $expected_version, $operator); |
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} else { |
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return version_compare($current_version, $expected_version); |
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} |
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} |
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} |
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} |
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?> |
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JuKu /
JuKuCMS
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