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Merge pull request #15 from DavidePrincipi/subscription
Refactor for Porthos multi-tenant configuration nethesis/dev#5641
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,103 @@ | ||
| <?php | ||
|
|
||
| include("lib.php"); | ||
| /* | ||
| * Copyright (C) 2019 Nethesis S.r.l. | ||
| * http://www.nethesis.it - [email protected] | ||
| * | ||
| * This script is part of Dartagnan. | ||
| * | ||
| * Dartagnan is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, | ||
| * or any later version. | ||
| * | ||
| * Dartagnan 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 | ||
| * along with Dartagnan. If not, see COPYING. | ||
| */ | ||
|
|
||
| if ( ! isset($_SERVER['PHP_AUTH_USER'])) { | ||
| header('WWW-Authenticate: Basic realm="subscription"'); | ||
| header('HTTP/1.1 401 Unauthorized'); | ||
| echo "Provide system subscription credentials\n"; | ||
| exit; | ||
| require_once("lib.php"); | ||
| require_once("config-" . $_SERVER['PORTHOS_SITE'] . ".php"); | ||
|
|
||
| $uri = parse_uri($_SERVER['DOCUMENT_URI']); | ||
|
|
||
| if ( isset($_SERVER['HTTPS']) && ! $uri['system_id'] && ! isset($_SERVER['PHP_AUTH_USER'])) { | ||
| exit_basic_auth_required(); | ||
| } else { | ||
| if($uri['system_id']) { | ||
| // override PHP authentication with system_id token: | ||
| $_SERVER['PHP_AUTH_USER'] = $uri['system_id']; | ||
| $_SERVER['PHP_AUTH_PW'] = $uri['system_id']; | ||
| } | ||
| } | ||
|
|
||
| // Disable the Content-Type header in PHP, so that nginx x-accel can add its own | ||
| ini_set('default_mimetype', FALSE); | ||
|
|
||
| $access = get_access_descriptor($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']); | ||
| // Mask any repo/version/arch that does not belong to the site: | ||
| if(! in_array($uri['repo'], $config['repositories']) | ||
| || ! in_array($uri['version'], $config['versions']) | ||
| || ! in_array($uri['arch'], $config['arches'])) { | ||
| exit_http(404); | ||
| } | ||
|
|
||
| if($access['tier_id'] === FALSE) { | ||
| if(! isset($_SERVER['PHP_AUTH_USER']) || ! isset($_SERVER['PHP_AUTH_PW'])) { | ||
| exit_http(403); | ||
| } elseif ($access['tier_id'] === '' || $access['secret'] != $_SERVER['PHP_AUTH_PW']) { | ||
| } | ||
|
|
||
| $access = get_access_descriptor($_SERVER['PHP_AUTH_USER']); | ||
| $valid_credentials = $_SERVER['PHP_AUTH_PW'] === $access['secret']; | ||
| if($config['legacy_auth']) { | ||
| $valid_credentials = $valid_credentials || $_SERVER['PHP_AUTH_USER'] === $_SERVER['PHP_AUTH_PW']; | ||
| } | ||
| $has_access_disabled = ! is_numeric($access['tier_id']); | ||
| if ($has_access_disabled || ! $valid_credentials) { | ||
| exit_http(403); | ||
| } else { | ||
| if(basename($_SERVER['DOCUMENT_URI']) == 'repomd.xml') { | ||
| header('Cache-Control: private'); | ||
| } | ||
|
|
||
| if($access['tier_id'] < 0) { | ||
| $hash = 0; | ||
| foreach(str_split($_SERVER['PHP_AUTH_USER']) as $c) { | ||
| $hash += ord($c); | ||
| } | ||
| return_file('/t' . $access['tier_id'] . $_SERVER['DOCUMENT_URI']); | ||
| $hash = $hash % 256; | ||
| if($hash < 12) { // 5% | ||
| $tier_id = 0; | ||
| } elseif($hash < 38) { // 15% | ||
| $tier_id = 1; | ||
| } elseif($hash < 76) { // 30% | ||
| $tier_id = 2; | ||
| } else { // 50% | ||
| $tier_id = 3; | ||
| } | ||
| $tier_id += $config['tier_id_base']; | ||
| } else { | ||
| $tier_id = intval($access['tier_id']); | ||
| } | ||
|
|
||
| if(basename($uri['rest']) == 'repomd.xml') { | ||
| header('Cache-Control: private'); | ||
| application_log(json_encode(array( | ||
| 'application' => 'porthos-' . $_SERVER['PORTHOS_SITE'], | ||
| 'connection' => $_SERVER['CONNECTION'] ?: '', | ||
| 'msg_type' => 'repomdxml-auth', | ||
| 'msg_severity' => 'notice', | ||
| 'server_id' => $_SERVER['PHP_AUTH_USER'], | ||
| 'repo' => $uri['repo'], | ||
| 'version' => $uri['version'], | ||
| 'arch' => $uri['arch'], | ||
| 'tier_id' => $uri['prefix'] == 'autoupdate' ? NULL : $tier_id, | ||
| 'tier_auto' => isset($hash), | ||
| 'tls' => isset($_SERVER['HTTPS']), | ||
| ))); | ||
| } | ||
|
|
||
| if($uri['prefix'] == 'autoupdate') { | ||
| return_file('/T' . $tier_id . $uri['full_path']); | ||
| } else { | ||
| return_file('/head' . $uri['full_path']); | ||
| } |
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