mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
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61 lines
3.3 KiB
PHP
61 lines
3.3 KiB
PHP
<?php
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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// If the extra data directory:
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// - doesn't exist already
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// - has an mtime before that of this file
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// - is empty
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// ...extract it again
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if(!file_exists($paths->extra_data_directory) ||
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filemtime(__FILE__) > filemtime($paths->extra_data_directory)
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|| is_directory_empty($paths->extra_data_directory)) {
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$error_message_help = "<p>Have you checked that PHP has write access to the directory that <code>index.php</code> is located in (and all it's contents and subdirectories)? Try <code>sudo chown USERNAME:USERNAME -R path/to/directory</code> and <code>sudo chmod -R 0644 path/to/directory; sudo chmod -R +X path/too/directory</code>, where <code>USERNAME</code> is the username that the PHP process is running under.</p>";
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if(file_exists($paths->extra_data_directory))
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delete_recursive($paths->extra_data_directory, false);
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else {
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if(!mkdir($paths->extra_data_directory, 0700)) {
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http_response_code(503);
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exit(page_renderer::render_minimal("Unpacking error - $settings->sitename", "<p>Oops! It looks like $settings->sitename couldn't create the extra data directory to unpack additional files to.</p>$error_message_help"));
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}
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}
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if(!touch($paths->extra_data_directory)) {
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http_response_code(503);
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exit(page_renderer::render_minimal("Unpacking error - $settings->sitename", "<p>Oops! It looks like $settings->sitename isn't able to change the last modified time of the extra data directory.</p>$error_message_help"));
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}
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$temp_filename = tempnam(sys_get_temp_dir(), "PeppermintExtract");
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$temp_file = fopen($temp_filename, "wb+");
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if($temp_file === false) {
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http_response_code(503);
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exit(page_renderer::render_minimal("Unpacking error - $settings->sitename", "<p>Oops! $settings->sitename wasn't able to create a new temporary file with <code>tempnam()</code>. Perhaps your server is mis-configured?</p>"));
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}
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$source = fopen(__FILE__, "r");
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if($source === false) {
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http_response_code(503);
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exit(page_renderer::render_minimal("Unpacking error - $settings->sitename", "<p>Oops! $settings->sitename wasn't able to open itself (i.e. <code>index.php</code>) for reading. $error_message_help</p>"));
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}
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fseek($source, __COMPILER_HALT_OFFSET__);
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stream_copy_to_stream($source, $temp_file);
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fclose($temp_file);
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$extractor = new ZipArchive();
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if(!class_exists("ZipArchive") || !($extractor instanceof ZipArchive)) {
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if(file_exists($paths->extra_data_directory))
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delete_recursive($paths->extra_data_directory);
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exit(page_renderer::render_minimal("Unpacking error - $settings->sitename", "<p>Oops! $settings->sitename wasn't able to unpack itself because the ZipArchive doesn't exist or is faulty. Please install the PHP zip extension (on apt-based systems it's the <code>php-zip</code> package) and then try again later. You can check that it's installed by inspecting the output of <code>php -m</code>, or running the <a href='https://www.php.net/manual/en/function.phpinfo.php'><code>phpinfo()</code> command</a>."));
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}
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$extractor->open($temp_filename);
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$extractor->extractTo($paths->extra_data_directory);
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$extractor->close();
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unlink($temp_filename);
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unset($error_message_help);
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}
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