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[10.2.0] Respect 'writable' appdir flag on update #35097

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Merged
PVince81 merged 1 commit into from
Apr 29, 2019
Merged

[10.2.0] Respect 'writable' appdir flag on update #35097

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10 changes: 6 additions & 4 deletions lib/private/Installer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -222,16 +222,18 @@ public static function updateApp($info= [], $isShipped=false) {
$info = self::checkAppsIntegrity($info, $extractDir, $path, $isShipped);

$currentDir = OC_App::getAppPath($info['id']);
if (\is_dir("$currentDir/.git")) {
throw new AppAlreadyInstalledException("App <{$info['id']}> is a git clone - it will not be updated.");
}

$basedir = OC_App::getInstallPath();
$basedir .= '/';
$basedir .= $info['id'];

if ($currentDir !== false && \is_writable($currentDir)) {
if ($currentDir !== false && OC_App::isAppDirWritable($info['id'])) {
$basedir = $currentDir;
}
if (\is_dir("$basedir/.git")) {
throw new AppAlreadyInstalledException("App <{$info['id']}> is a git clone - it will not be updated.");
}

if (\is_dir($basedir)) {
OC_Helper::rmdirr($basedir);
}
Expand Down
16 changes: 15 additions & 1 deletion lib/private/legacy/app.php
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Original file line number Diff line number Diff line change
Expand Up @@ -568,6 +568,20 @@ public static function getAppWebPath($appId) {
*/
public static function isAppDirWritable($appId) {
$path = self::getAppPath($appId);
// Check if the parent directory is marked as writable in config.php
if ($path !== false) {
$appDir = \substr($path, 0, -\strlen("/$appId"));
foreach (OC::$APPSROOTS as $dir) {
if ($dir['path'] !== $appDir) {
continue;
}
if (!isset($dir['writable'])
|| $dir['writable'] !== true
) {
return false;
}
}
}
return ($path !== false) ? \is_writable($path) : false;
}

Expand Down Expand Up @@ -942,6 +956,7 @@ public static function getAppVersions() {
* @return bool
*/
public static function updateApp($appId) {
\OC::$server->getAppManager()->clearAppsCache();
$appPath = self::getAppPath($appId);
if ($appPath === false) {
return false;
Expand All @@ -958,7 +973,6 @@ public static function updateApp($appId) {
}
self::executeRepairSteps($appId, $appData['repair-steps']['post-migration']);
self::setupLiveMigrations($appId, $appData['repair-steps']['live-migration']);
\OC::$server->getAppManager()->clearAppsCache();
// run upgrade code
if (\file_exists($appPath . '/appinfo/update.php')) {
self::loadApp($appId, false);
Expand Down
68 changes: 67 additions & 1 deletion tests/lib/InstallerTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -17,11 +17,12 @@ protected function setUp() {
parent::setUp();

Installer::removeApp(self::$appid);
\OC::$server->getConfig()->deleteAppValues(self::$appid);
}

protected function tearDown() {
Installer::removeApp(self::$appid);

\OC::$server->getConfig()->deleteAppValues(self::$appid);
parent::tearDown();
}

Expand Down Expand Up @@ -89,4 +90,69 @@ public function testUpdateApp() {

$this->assertNotEquals($oldVersionNumber, $newVersionNumber);
}

/**
* Tests that update is installed into writable app dir if the original app dir is not writable
*/
public function testUpdateIntoWritableAppDir() {
$oldAppRoots = \OC::$APPSROOTS;
$relativePath = "/anotherdir";

// Install old version
$pathOfOldTestApp = __DIR__ . '/../data/testapp.zip';
$oldTmp = \OC::$server->getTempManager()->getTemporaryFile('.zip');
\OC_Helper::copyr($pathOfOldTestApp, $oldTmp);
$oldData = [
'path' => $oldTmp,
'source' => 'path',
'appdata' => [
'id' => 'testapp',
'level' => 100,
]
];
$installResult = Installer::installApp($oldData);
$this->assertEquals('testapp', $installResult);
$oldAppPath = \OC_App::getAppPath(self::$appid);

// Mark the first app as dir non-writable and create the second as writable
$firstAppDir = \array_shift(\OC::$APPSROOTS);
$firstAppDir['writable'] = false;

$path = \dirname($firstAppDir['path']) . $relativePath;
\mkdir($path);
\clearstatcache();
\OC::$APPSROOTS = [
$firstAppDir,
[
'path' => $path,
'url' => $relativePath,
'writable' => true
]
];
\OC::$server->getAppManager()->clearAppsCache();

// Update app
$pathOfNewTestApp = __DIR__ . '/../data/testapp2.zip';
$newTmp = \OC::$server->getTempManager()->getTemporaryFile('.zip');
\OC_Helper::copyr($pathOfNewTestApp, $newTmp);

$newData = [
'path' => $newTmp,
'source' => 'path',
'appdata' => [
'id' => 'testapp',
'level' => 100,
]
];
$updateResult = Installer::updateApp($newData);
$this->assertTrue($updateResult);
$newAppPath = \OC_App::getAppPath(self::$appid);

$this->assertNotEquals($oldAppPath, $newAppPath);
$this->assertStringStartsWith($path, $newAppPath);

\OC_Helper::rmdirr($path);
\OC::$APPSROOTS = $oldAppRoots;
\OC::$server->getAppManager()->clearAppsCache();
}
}