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https://github.com/projectsend/projectsend.git
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ignacionelson
6e47d76ba6
Client file sharing, rebuilt from the ground up: a private area per client, resumable uploads, folders, groups and categories, sharing with expiry dates and download limits, comments, file versions, an activity log, a REST API, and sixteen languages. This repository begins here. ProjectSend 2 was developed privately, and that development history is not published — the previous generation remains available, with its own history, at projectsend/legacy. Free software under the GNU General Public License v2, or (at your option) any later version.
69 lines
2.7 KiB
PHP
69 lines
2.7 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Modules\Identity\Ldap;
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use LdapRecord\Connection;
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/**
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* Builds the LdapRecord connection from the stored settings.
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*
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* `configFor()` is a pure function on purpose. v1's worst LDAP bug was a
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* `use_tls` setting with no `ldap_start_tls()` call anywhere behind it —
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* every installation that believed it was encrypted was shipping its bind
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* password in clear, and nothing could have caught that except reading the
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* code. Keeping the mapping as a function of its input means a test can
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* assert "encryption = tls produces use_tls" directly, forever.
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*/
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class LdapConnectionFactory
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{
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/**
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* @return array<string, mixed>
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*/
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public static function configFor(LdapSettings $settings): array
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{
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// Built statement by statement rather than as one literal. The
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// options are keyed by PHP's LDAP_OPT_* integer constants, and both
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// clever ways of assembling them quietly lose entries: array_filter()
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// with no callback drops LDAP_OPT_REFERRALS because its value is 0,
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// and the spread operator renumbers integer keys outright. Either
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// one leaves referrals enabled, which is the Active Directory
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// misbehaviour the option exists to prevent.
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$options = [
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LDAP_OPT_PROTOCOL_VERSION => 3,
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LDAP_OPT_NETWORK_TIMEOUT => 5,
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LDAP_OPT_REFERRALS => 0,
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];
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if ($settings->ca_cert_path !== null && $settings->ca_cert_path !== '') {
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$options[LDAP_OPT_X_TLS_CACERTFILE] = $settings->ca_cert_path;
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}
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return [
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'hosts' => [$settings->host],
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'port' => $settings->port,
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'base_dn' => $settings->base_dn,
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// Empty means an anonymous bind, which some directories allow
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// for the search step.
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'username' => $settings->bind_dn !== '' ? $settings->bind_dn : null,
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'password' => $settings->bind_password !== '' ? $settings->bind_password : null,
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'use_ssl' => $settings->encryption === LdapEncryption::Ssl,
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'use_tls' => $settings->encryption === LdapEncryption::Tls,
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// A directory that stops answering must not hold a PHP-FPM
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// worker for LDAP's 30-second default; see LdapAuthenticator's
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// circuit breaker for the other half of that.
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'timeout' => 5,
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'options' => $options,
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];
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}
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public static function make(LdapSettings $settings): Connection
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{
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// LDAP_OPT_X_TLS_REQUIRE_CERT is deliberately never set, leaving the
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// system default of `demand`. There is no code path here that
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// weakens certificate verification.
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return new Connection(self::configFor($settings));
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}
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}
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