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e45ffda55a
Summary: - For context, see T547. This is the last (maybe?) in a series of diffs that moves us off raw sha1() calls in order to make it easier to audit the codebase for correct use of hash functions. - This breaks CSRF tokens. Any open forms will generate an error when submitted, so maybe upgrade off-peak. - We now generate HMAC mail keys but accept MAC or HMAC. In a few months, we can remove the MAC version. - The only remaining callsite is Conduit. We can't use HMAC since Arcanist would need to know the key. {T550} provides a better solution to this, anyway. Test Plan: - Verified CSRF tokens generate properly. - Manually changed CSRF to an incorrect value and got an error. - Verified mail generates with a new mail hash. - Verified Phabricator accepts both old and new mail hashes. - Verified Phabricator rejects bad mail hashes. - Checked user log, things look OK. Reviewers: btrahan, jungejason, benmathews Reviewed By: btrahan CC: aran, epriestley, btrahan Maniphest Tasks: T547 Differential Revision: 1237
31 lines
916 B
PHP
31 lines
916 B
PHP
<?php
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/*
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* Copyright 2011 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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final class PhabricatorHash {
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public static function digest($string) {
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$key = PhabricatorEnv::getEnvConfig('security.hmac-key');
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if (!$key) {
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throw new Exception(
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"Set a 'security.hmac-key' in your Phabricator configuration!");
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}
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return hash_hmac('sha1', $string, $key);
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}
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}
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