125 lines
5.4 KiB
PHP
125 lines
5.4 KiB
PHP
<?php
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg (under the project TAO & TAO2);
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* 2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
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* 2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
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*
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*/
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/**
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* install Shield to block future installation
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*
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* @package tao
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*/
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class tao_install_utils_Shield
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{
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protected $extensions = [];
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protected $accessFiles = [];
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public function __construct(array $extensions)
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{
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$this->extensions = $extensions;
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foreach ($this->extensions as $extension) {
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$file = ROOT_PATH . $extension . '/.htaccess';
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if (file_exists($file)) {
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if (!is_readable($file)) {
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throw new tao_install_utils_Exception("Unable to read .htaccess file of extension '" . $extension . " while Production Mode activation'.");
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}
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$this->accessFiles[] = $file;
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}
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}
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}
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public function disableRewritePattern(array $patterns)
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{
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$globalPattern = '';
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$size = count($patterns) - 1;
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foreach ($patterns as $i => $pattern) {
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$globalPattern .= preg_quote($pattern, '/');
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if ($i < $size) {
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$globalPattern .= '|';
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}
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}
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if (!empty($globalPattern)) {
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foreach ($this->accessFiles as $file) {
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$lines = explode("\n", file_get_contents($file));
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$updated = 0;
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foreach ($lines as $i => $line) {
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if (preg_match("/" . $globalPattern . "/", $line)) {
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$lines[$i] = '#' . $line;
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$updated++;
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}
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}
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if ($updated > 0) {
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if (!is_writable($file)) {
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throw new tao_install_utils_Exception("Unable to write .htaccess file : ${file}.");
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}
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file_put_contents($file, implode("\n", $lines));
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}
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}
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}
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}
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public function protectInstall()
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{
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foreach ($this->extensions as $extension) {
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$installDir = ROOT_PATH . $extension . '/install/';
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if (file_exists($installDir) && is_dir($installDir)) {
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if (!is_writable($installDir) || (file_exists($installDir . '.htaccess' && !is_writable($installDir . '.htaccess')))) {
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throw new tao_install_utils_Exception("Unable to write .htaccess file into : ${installDir}.");
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}
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file_put_contents($installDir . '.htaccess', "Options +FollowSymLinks\n"
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. "<IfModule mod_rewrite.c>\n"
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. "RewriteEngine On\n"
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. "RewriteCond %{REQUEST_URI} !/css/ [NC]\n"
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. "RewriteCond %{REQUEST_URI} !/js/ [NC]\n"
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. "RewriteCond %{REQUEST_URI} !/images/ [NC]\n"
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. "RewriteCond %{REQUEST_URI} !/production.html [NC]\n"
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. "RewriteRule ^.*$ " . ROOT_URL . "tao/install/production.html\n"
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. "</IfModule>");
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}
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}
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}
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public function denyAccessTo($paths)
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{
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foreach ($this->extensions as $extension) {
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foreach ($paths as $path) {
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if (!preg_match("/^\\" . DIRECTORY_SEPARATOR . "/", $path)) {
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$path = DIRECTORY_SEPARATOR . $path;
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}
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$denied = ROOT_PATH . $extension . $path;
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if (file_exists($denied) && is_dir($denied)) {
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$accessFile = $denied . DIRECTORY_SEPARATOR . '.htaccess';
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if (!is_writable($denied) || (file_exists($accessFile && !is_writable($accessFile)))) {
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throw new tao_install_utils_Exception("Unable to write .htaccess file into : ${denied}.");
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}
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file_put_contents($accessFile, "<IfModule mod_rewrite.c>\n"
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. "RewriteEngine On\n"
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. "RewriteRule ^.*$ - [F]\n"
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. "</IfModule>");
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}
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}
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}
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}
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}
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