Restrict upgrades to explicit allowed version
version.php now contains the previous ownCloud version from which upgrades are allowed. Any other upgrades will show a message that the upgrade/downgrade is not supported.
This commit is contained in:
Vincent Petry
parent
045f8cc971
commit
2b08659f7d
3 changed files with 105 additions and 20 deletions
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@ -211,20 +211,47 @@ class Updater extends BasicEmitter {
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return $success;
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}
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/**
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* Return version from which this version is allowed to upgrade from
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*
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* @return string allowed previous version
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*/
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private function getAllowedPreviousVersion() {
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// this should really be a JSON file
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require \OC::$SERVERROOT . '/version.php';
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return implode('.', $OC_VersionCanBeUpgradedFrom);
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}
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/**
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* Whether an upgrade to a specified version is possible
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* @param string $oldVersion
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* @param string $newVersion
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* @param string $allowedPreviousVersion
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* @return bool
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*/
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public function isUpgradePossible($oldVersion, $newVersion) {
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public function isUpgradePossible($oldVersion, $newVersion, $allowedPreviousVersion) {
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// downgrade is never allowed
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if (version_compare($oldVersion, $newVersion, '>')) {
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return false;
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}
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$oldVersion = explode('.', $oldVersion);
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$newVersion = explode('.', $newVersion);
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if($newVersion[0] > ($oldVersion[0] + 1) || $oldVersion[0] > $newVersion[0]) {
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return false;
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while (count($oldVersion) > 2) {
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array_pop($oldVersion);
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}
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return true;
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while (count($newVersion) > 2) {
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array_pop($newVersion);
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}
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$oldVersion = implode('.', $oldVersion);
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$newVersion = implode('.', $newVersion);
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// either we're updating from an allowed version or the current version
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return (version_compare($allowedPreviousVersion, $oldVersion) === 0
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|| version_compare($newVersion, $oldVersion) === 0);
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}
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/**
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@ -259,8 +286,9 @@ class Updater extends BasicEmitter {
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*/
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private function doUpgrade($currentVersion, $installedVersion) {
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// Stop update if the update is over several major versions
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if (!self::isUpgradePossible($installedVersion, $currentVersion)) {
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throw new \Exception('Updates between multiple major versions are unsupported.');
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$allowedPreviousVersion = $this->getAllowedPreviousVersion();
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if (!self::isUpgradePossible($installedVersion, $currentVersion, $allowedPreviousVersion)) {
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throw new \Exception('Updates between multiple major versions and downgrades are unsupported.');
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}
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// Update .htaccess files
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@ -67,14 +67,68 @@ class UpdaterTest extends \Test\TestCase {
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*/
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public function versionCompatibilityTestData() {
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return [
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['1.0.0.0', '2.2.0', true],
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['1.1.1.1', '2.0.0', true],
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['5.0.3', '4.0.3', false],
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['12.0.3', '13.4.5', true],
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['1', '2', true],
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['2', '2', true],
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['6.0.5', '6.0.6', true],
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['5.0.6', '7.0.4', false],
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['1', '2', '1', true],
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['2', '2', '2', true],
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['6.0.5.0', '6.0.6.0', '5.0', true],
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['5.0.6.0', '7.0.4.0', '6.0', false],
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// allow upgrading within the same major release
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['8.0.0.0', '8.0.0.0', '8.0', true],
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['8.0.0.0', '8.0.0.4', '8.0', true],
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['8.0.0.0', '8.0.1.0', '8.0', true],
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['8.0.0.0', '8.0.2.0', '8.0', true],
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// does not allow downgrading within the same major release
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['8.0.1.0', '8.0.0.0', '8.0', false],
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['8.0.2.0', '8.0.1.0', '8.0', false],
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['8.0.0.4', '8.0.0.0', '8.0', false],
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// allows upgrading within the patch version
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['8.0.0.0', '8.0.0.1', '8.0', true],
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['8.0.0.0', '8.0.0.2', '8.0', true],
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// does not allow downgrading within the same major release
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['8.0.0.1', '8.0.0.0', '8.0', false],
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['8.0.0.2', '8.0.0.0', '8.0', false],
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// allow upgrading to the next major release
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['8.0.0.0', '8.1.0.0', '8.0', true],
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['8.0.0.0', '8.1.1.0', '8.0', true],
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['8.0.0.0', '8.1.1.5', '8.0', true],
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['8.0.0.2', '8.1.1.5', '8.0', true],
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['8.1.0.0', '8.2.0.0', '8.1', true],
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['8.1.0.2', '8.2.0.4', '8.1', true],
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['8.1.0.5', '8.2.0.1', '8.1', true],
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['8.1.0.0', '8.2.1.0', '8.1', true],
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['8.1.0.2', '8.2.1.5', '8.1', true],
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['8.1.0.5', '8.2.1.1', '8.1', true],
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// does not allow downgrading to the previous major release
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['8.1.0.0', '8.0.0.0', '7.0', false],
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['8.1.1.0', '8.0.0.0', '7.0', false],
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// does not allow skipping major releases
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['8.0.0.0', '8.2.0.0', '8.1', false],
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['8.0.0.0', '8.2.1.0', '8.1', false],
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['8.0.0.0', '9.0.1.0', '8.2', false],
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['8.0.0.0', '10.0.0.0', '9.3', false],
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// allows updating to the next major release
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['8.2.0.0', '9.0.0.0', '8.2', true],
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['8.2.0.0', '9.0.0.0', '8.2', true],
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['8.2.0.0', '9.0.1.0', '8.2', true],
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['8.2.0.0', '9.0.1.1', '8.2', true],
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['8.2.0.2', '9.0.1.1', '8.2', true],
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['8.2.2.0', '9.0.1.0', '8.2', true],
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['8.2.2.2', '9.0.1.1', '8.2', true],
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['9.0.0.0', '9.1.0.0', '9.0', true],
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['9.0.0.0', '9.1.0.2', '9.0', true],
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['9.0.0.2', '9.1.0.1', '9.0', true],
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['9.1.0.0', '9.2.0.0', '9.1', true],
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['9.2.0.0', '9.3.0.0', '9.2', true],
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['9.3.0.0', '10.0.0.0', '9.3', true],
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// does not allow updating to the next major release (first number)
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['9.0.0.0', '8.2.0.0', '8.1', false],
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// other cases
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['8.0.0.0', '8.1.5.0', '8.0', true],
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['8.2.0.0', '9.0.0.0', '8.2', true],
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['8.2.0.0', '9.1.0.0', '9.0', false],
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['9.0.0.0', '8.1.0.0', '8.0', false],
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['9.0.0.0', '8.0.0.0', '7.0', false],
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['9.1.0.0', '8.0.0.0', '7.0', false],
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['8.2.0.0', '8.1.0.0', '8.0', false],
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];
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}
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@ -106,9 +160,9 @@ class UpdaterTest extends \Test\TestCase {
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* @param string $newVersion
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* @param bool $result
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*/
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public function testIsUpgradePossible($oldVersion, $newVersion, $result) {
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public function testIsUpgradePossible($oldVersion, $newVersion, $allowedVersion, $result) {
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$updater = new Updater($this->httpHelper, $this->config);
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$this->assertSame($result, $updater->isUpgradePossible($oldVersion, $newVersion));
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$this->assertSame($result, $updater->isUpgradePossible($oldVersion, $newVersion, $allowedVersion));
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}
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public function testCheckInCache() {
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11
version.php
11
version.php
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@ -2,6 +2,7 @@
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/**
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* @author Frank Karlitschek <frank@owncloud.org>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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@ -22,14 +23,16 @@
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// We only can count up. The 4. digit is only for the internal patchlevel to trigger DB upgrades
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// between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
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// when updating major/minor version number.
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$OC_Version=array(8, 2, 0, 4);
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$OC_Version = [8, 2, 0, 4];
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// The human readable string
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$OC_VersionString='8.2 pre alpha';
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$OC_VersionString = '8.2 pre alpha';
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$OC_VersionCanBeUpgradedFrom = [8, 1];
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// The ownCloud channel
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$OC_Channel='git';
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$OC_Channel = 'git';
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// The build number
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$OC_Build='';
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$OC_Build = '';
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