Edit File by line

<?php

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class Alti_ProtectUploads_Admin

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{

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private $plugin_name;

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private $version;

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private $messages = array();

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public function __construct($plugin_name, $version)

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{

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$this->plugin_name = $plugin_name;

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$this->version = $version;

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}

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public function get_plugin_name()

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{

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return $this->plugin_name;

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}

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public function add_submenu_page()

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{

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add_submenu_page('upload.php', $this->plugin_name, 'Protect Uploads ', 'manage_options', $this->plugin_name . '-settings-page', array($this, 'render_settings_page'));

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}

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public function render_settings_page()

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{

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require plugin_dir_path(__FILE__) . 'views/' . $this->plugin_name . '-admin-settings-page.php';

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}

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public function enqueue_styles()

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{

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wp_enqueue_style($this->plugin_name, plugin_dir_url(__FILE__) . 'assets/css/protect-uploads-admin.css', array(), $this->version, 'all');

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}

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public function add_settings_link($links)

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{

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$settings_link = '<a href="upload.php?page=' . $this->plugin_name . '-settings-page">' . __('Settings') . '</a>';

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array_unshift($links, $settings_link);

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return $links;

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}

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public function get_uploads_dir()

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{

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$uploads_dir = wp_upload_dir();

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return $uploads_dir['basedir'];

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}

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public function get_uploads_url()

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{

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$uploads_dir = wp_upload_dir();

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return $uploads_dir['baseurl'];

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}

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public function get_uploads_subdirectories()

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{

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$directories = scandir(self::get_uploads_dir());

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$subs = array(self::get_uploads_dir());

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foreach ($directories as $directory) {

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if (is_dir(self::get_uploads_dir() . '/' . $directory) && !preg_match('/^\.*$/', $directory)) {

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$subs[] = self::get_uploads_dir() . '/' . $directory;

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$subDirectories = scandir(self::get_uploads_dir() . '/' . $directory);

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foreach ($subDirectories as $subDirectory) {

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if (is_dir(self::get_uploads_dir() . '/' . $directory . '/' . $subDirectory) && !preg_match('/^\.*$/', $subDirectory)) $subs[] = self::get_uploads_dir() . '/' . $directory . '/' . $subDirectory;

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}

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}

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}

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return $subs;

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}

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public function save_form($form)

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{

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if ($form['protection'] == 'index_php') {

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$this->create_index();

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}

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if ($form['protection'] == 'htaccess') {

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$this->create_htaccess();

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}

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if ($form['protection'] == 'remove') {

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$this->remove_index();

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$this->remove_htaccess();

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}

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}

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// used to check if the current htaccess has been generated by the plugin

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public function get_htaccess_identifier()

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{

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return "[plugin_name=" . $this->plugin_name . "]";

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}

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public function create_index()

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{

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// check if index php does not exists

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if (self::check_protective_file('index.php') === false) {

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$indexContent = "<?php // Silence is golden \n // " . self::get_htaccess_identifier() . " \n // https://www.alticreation.com/en/protect-uploads/ \n // date:" . date('d/m/Y') . "\n // .";

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$i = 0;

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foreach (self::get_uploads_subdirectories() as $subDirectory) {

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if (!file_put_contents($subDirectory . '/' . 'index.php', $indexContent)) {

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self::register_message('Impossible to create or modified the index.php file in ' . $subDirectory, 'error');

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} else {

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$i++;

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}

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}

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if ($i == count(self::get_uploads_subdirectories())) {

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self::register_message('The index.php file has been created in main folder and subfolders (two levels max).');

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}

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}

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// if index php already exists

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else {

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self::register_message('The index.php file already exists', 'error');

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}

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}

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public function create_htaccess()

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{

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// Content for htaccess file

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$date = date('Y-m-d H:i.s');

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$phpv = phpversion();

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$htaccessContent = "\n# BEGIN " . $this->get_plugin_name() . " Plugin\n";

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$htaccessContent .= "\tOptions -Indexes\n";

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$htaccessContent .= "# [date={$date}] [php={$phpv}] " . self::get_htaccess_identifier() . " [version={$this->version}]\n";

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$htaccessContent .= "# END " . $this->get_plugin_name() . " Plugin\n";

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// if htaccess does NOT exist yet

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if (self::check_protective_file('.htaccess') === false) {

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// try to create and save the new htaccess file

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if (!file_put_contents(self::get_uploads_dir() . '/' . '.htaccess', $htaccessContent)) {

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self::register_message('Impossible to create or modified the htaccess file.', 'error');

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} else {

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self::register_message('The htaccess file has been created.');

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}

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}

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else {

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// if content added to existing htaccess

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if (file_put_contents(self::get_uploads_dir() . '/.htaccess', $htaccessContent, FILE_APPEND | LOCK_EX)) {

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self::register_message('The htaccess file has been updated.');

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} else {

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self::register_message('The existing htaccess file couldn\'t be updated. Please check file permissions.', 'error');

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}

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}

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}

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public function remove_index()

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{

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$i = 0;

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foreach (self::get_uploads_subdirectories() as $subDirectory) {

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if (file_exists($subDirectory . '/index.php')) {

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unlink($subDirectory . '/index.php');

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$i++;

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}

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}

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if ($i == count(self::get_uploads_subdirectories())) {

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self::register_message('The index.php file(s) have(has) been deleted.');

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}

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}

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public function remove_htaccess()

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{

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if (file_exists(self::get_uploads_dir() . '/.htaccess')) {

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$htaccessContent = file_get_contents(self::get_uploads_dir() . '/.htaccess');

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$htaccessContent = preg_replace('/(# BEGIN protect-uploads Plugin)(.*?)(# END protect-uploads Plugin)/is', '', $htaccessContent);

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file_put_contents(self::get_uploads_dir() . '/.htaccess', $htaccessContent, LOCK_EX);

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// if htaccess is empty, we remove it.

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if (strlen(preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "", file_get_contents(self::get_uploads_dir() . '/.htaccess'))) == 0) {

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unlink(self::get_uploads_dir() . '/.htaccess');

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}

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self::register_message('The htaccess file has been updated.');

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}

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}

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public function get_protective_files_array()

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{

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$uploads_files = ['index.php', 'index.html', '.htaccess'];

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$response = [];

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foreach ($uploads_files as $file) {

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if (file_exists(self::get_uploads_dir() . '/' . $file)) {

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$response[] = $file;

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}

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}

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return $response;

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}

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public function check_protective_file($file)

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{

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if (in_array($file, self::get_protective_files_array())) {

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return true;

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} else {

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return false;

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}

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}

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public function get_uploads_root_response_code()

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{

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$uploads_headers = get_headers(self::get_uploads_url() . '/');

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$response = null;

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if (is_array($uploads_headers)) {

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if (preg_match('/200/', $uploads_headers[0])) $response = 200;

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if (preg_match('/403/', $uploads_headers[0])) $response = 403;

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}

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return $response;

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}

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public function get_htaccess_content()

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{

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return file_get_contents(self::get_uploads_dir() . '/.htaccess');

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}

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public function check_htaccess_is_self_generated()

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{

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if (self::check_protective_file('.htaccess') && preg_match('/' . self::get_htaccess_identifier() . '/', self::get_htaccess_content())) {

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return true;

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} else {

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return false;

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}

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}

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// heart? <3

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public function check_uploads_is_protected()

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{

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foreach (self::get_protective_files_array() as $file) {

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if ($file === 'index.html') {

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return true;

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break;

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}

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if ($file === 'index.php') {

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return true;

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break;

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}

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if ($file === '.htaccess' && self::get_uploads_root_response_code() === 200) {

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return false;

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break;

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}

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}

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if (self::get_uploads_root_response_code() === 403) {

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return true;

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}

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else {

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return false;

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}

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}

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public function check_protective_file_removable() {

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if( self::check_protective_file('index.html') ) {

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return false;

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}

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elseif( self::check_protective_file('.htaccess') === false && self::get_uploads_root_response_code() === 403 ) {

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return false;

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}

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else {

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return true;

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}

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}

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public function get_uploads_protection_message_array()

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{

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$response = [];

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foreach (self::get_protective_files_array() as $file) {

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if ($file === '.htaccess' && self::get_uploads_root_response_code() === 403) {

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$response[] = ' ' . __('.htaccess file is present and access to uploads directory returns 403 code.', $this->plugin_name);

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}

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if ($file === 'index.php') {

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$response[] = ' ' . __('index.php file is present.', $this->plugin_name);

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}

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if ($file === 'index.html') {

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$response[] = ' ' . __('index.html file is present.', $this->plugin_name);

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}

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}

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if (self::check_protective_file('.htaccess') === true && self::get_uploads_root_response_code() === 200) {

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$response[] = ' ' . __('.htaccess file is present but not protecting uploads directory.', $this->plugin_name);

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}

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if (self::check_protective_file('.htaccess') === false && self::get_uploads_root_response_code() === 403) {

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$response[] = ' ' . __('Access to uploads directory is protected (403) with a global .htaccess or another global declaration.', $this->plugin_name);

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}

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return $response;

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}

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public function check_apache()

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{

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if (!function_exists('apache_get_modules')) {

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self::register_message('The Protect Uploads plugin cannot work without Apache. Yourself or your web host has to activate this module.');

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}

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}

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public function register_message($message, $type = 'updated', $id = 0)

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{

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$this->messages['apache'][] = array(

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'message' => __($message, $this->plugin_name),

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'type' => $type,

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'id' => $id

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);

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}

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public function display_messages()

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{

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foreach ($this->messages as $name => $messages) {

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foreach ($messages as $message) {

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return '<div id="message" class="' . $message['type'] . '">' . $message['message'] . '</div>';

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}

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}

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}

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}

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