egroupware/api/tests/Vfs/StreamWrapperBase.php

577 lines
15 KiB
PHP

<?php
/**
* Base for testing various stream wrappers
*
* This holds some common things so we can re-use them for the various places
*
* @link http://www.egroupware.org
* @author Nathan Gray
* @copyright (c) 2020 Nathan Gray
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
*/
namespace EGroupware\Api\Vfs;
require_once __DIR__ . '/../LoggedInTest.php';
use EGroupware\Api;
use EGroupware\Api\LoggedInTest as LoggedInTest;
use EGroupware\Api\Vfs;
use EGroupware\Stylite\Vfs\Versioning;
abstract class StreamWrapperBase extends LoggedInTest
{
/**
* How much should be logged to the console (stdout)
*
* 0 = Nothing
* 1 = info
* 2 = debug
*/
const LOG_LEVEL = 0;
/**
* @var string If we're just doing a simple test with one file, use this file
*/
protected $test_file = '';
/**
* Keep track of files to remove after
* @var Array
*/
protected $files = Array();
/**
* Keep track of mounts to remove after
*/
protected $mounts = Array();
/**
* Options for searching the Vfs (Vfs::find())
*/
const VFS_OPTIONS = array(
'maxdepth' => 5
);
// User for testing - we share with this user & log in as them for checking
protected $account_id;
// File that should not be available due to permissions
protected $no_access;
// Use a completely new user, so we know it's there and "clean"
protected $account = array(
'account_lid' => 'user_test',
'account_firstname' => 'Access',
'account_lastname' => 'Test',
'account_passwd' => 'passw0rd',
'account_passwd_2' => 'passw0rd',
// Don't let them in Default, any set ACLs will interfere with tests
'account_primary_group' => 'Testers',
'account_groups' => ['Testers']
);
protected function setUp() : void
{
// Check we have basic access
if(!is_readable($GLOBALS['egw_info']['server']['files_dir']))
{
$this->markTestSkipped('No read access to files dir "' .$GLOBALS['egw_info']['server']['files_dir'].'"' );
}
if(!is_writable($GLOBALS['egw_info']['server']['files_dir']))
{
$this->markTestSkipped('No write access to files dir "' .$GLOBALS['egw_info']['server']['files_dir'].'"' );
}
$this->mount();
}
protected function tearDown() : void
{
// Make sure we're on the original user. Failures could cause us to be logged in as someone else
$this->switchUser($GLOBALS['EGW_USER'], $GLOBALS['EGW_PASSWORD']);
$this->mount();
// Need to ask about mounts, or other tests fail
Vfs::mount();
$backup = Vfs::$is_root;
Vfs::$is_root = true;
if(static::LOG_LEVEL > 1)
{
if($this->account_id) error_log($this->getName() . ' user to be removed: ' . $this->account_id);
error_log($this->getName() . ' files for removal:');
error_log(implode("\n",$this->files));
error_log($this->getName() . ' mounts for removal:');
error_log(implode("\n",$this->mounts));
}
// Remove our other test user
if($this->account_id)
{
$GLOBALS['egw']->accounts->delete($this->account_id);
}
// Remove any added files (as root to limit versioning issues)
if(in_array('/',$this->files))
{
$this->fail('Tried to remove root');
}
foreach($this->files as $file)
{
Vfs::unlink($file);
}
// Remove any mounts
foreach($this->mounts as $mount)
{
Vfs::umount($mount);
}
Vfs::$is_root = $backup;
}
/////
/// These tests will be run by every extending class, with
/// the extending class's setUp(). They can be overridden, but
/// we get free tests this way with no copy/paste
/////
/**
* Simple test that we can write something and it's there
* By putting it in the base class, this test gets run for every backend
*/
public function testSimpleReadWrite() : string
{
if(!$this->test_file)
{
$this->markTestSkipped("No test file set - set it in setUp() or overriding test");
}
// Check that the file is not there
$pre_start = Vfs::stat($this->test_file);
$this->assertEquals(null,$pre_start,
"File '$this->test_file' was there before we started, check clean up"
);
// Write
$contents = $this->getName() . "\nJust a test ;)\n";
$this->assertNotFalse(
file_put_contents(Vfs::PREFIX . $this->test_file, $contents),
"Could not write file $this->test_file"
);
// Check contents are unchanged
$this->assertEquals(
$contents, file_get_contents(Vfs::PREFIX . $this->test_file),
"Read file contents do not match what was written"
);
return $this->test_file;
}
/**
* Simple delete of a file
* By putting it in the base class, this test gets run for every backend
*
* @depends testSimpleReadWrite
*/
public function testDelete($file) : void
{
if(!$this->test_file && !$file)
{
$this->markTestSkipped("No test file set - set it in setUp() or overriding test");
}
// Write
if(!$file)
{
$contents = $this->getName() . "\nJust a test ;)\n";
$this->assertNotFalse(
file_put_contents(Vfs::PREFIX . $this->test_file, $contents),
"Could not write file $this->test_file"
);
$start = Vfs::stat($this->test_file);
$this->assertNotNull(
$start,
"File '$this->test_file' was not what we expected to find after writing"
);
}
else
{
$this->test_file = $file;
}
Vfs::unlink($this->test_file);
$post = Vfs::stat($this->test_file);
$this->assertEquals(null,$post,
"File '$this->test_file' was there after deleting"
);
}
/**
* Check that a user with no permission to a file cannot access the file
*
* @depends testSimpleReadWrite
* @throws Api\Exception\AssertionFailed
*/
public function testNoReadAccess() : void
{
if(!$this->test_file)
{
$this->markTestSkipped("No test file set - set it in setUp() or overriding test");
}
// Check that the file is not there
$pre_start = Vfs::stat($this->test_file);
$this->assertEquals(null,$pre_start,
"File '$this->test_file' was there before we started, check clean up"
);
// Write
$file = $this->test_file;
$contents = $this->getName() . "\nJust a test ;)\n";
$this->assertNotFalse(
file_put_contents(Vfs::PREFIX . $file, $contents),
"Could not write file $file"
);
// Create another user who has no access to our file
$user_b = $this->makeUser();
// Log in as them
$this->switchUser($this->account['account_lid'], $this->account['account_passwd']);
$this->mount();
// Check the file
$this->assertFalse(
Vfs::is_readable($file),
"File '$file' was accessible by another user who had no permission"
);
$this->assertFalse(
file_get_contents(Vfs::PREFIX . $file),
"Read someone else's file with no permission. " . Vfs::PREFIX . $file
);
}
/**
* Check that a user with permission to a file can access the file
*
* @depends testSimpleReadWrite
* @throws Api\Exception\AssertionFailed
*/
public function testWithAccess() : void
{
if(!$this->test_file)
{
$this->markTestSkipped("No test file set - set it in setUp() or overriding test");
}
// Check that the file is not there
$pre_start = Vfs::stat($this->test_file);
$this->assertEquals(null,$pre_start,
"File '$this->test_file' was there before we started, check clean up"
);
// Write
$file = $this->test_file;
$contents = $this->getName() . "\nJust a test ;)\n";
$this->assertNotFalse(
file_put_contents(Vfs::PREFIX . $file, $contents),
"Could not write file $file"
);
$pre = Vfs::stat($this->test_file);
// Check that it's actually there
$this->assertEquals($contents,file_get_contents(Vfs::PREFIX . $file), "Did not write test file");
// Create another user who has no access to our file
$user_b = $this->makeUser();
// Allow access
$this->allowAccess(
$this->getName(false),
$file,
$user_b,
'r'
);
// Log in as them
$this->switchUser($this->account['account_lid'], $this->account['account_passwd']);
$this->mount();
// Check the file
$post = Vfs::stat($file);
$this->assertIsArray($post,
"File '$file' was not accessible by another user who had permission"
);
$this->assertEquals(
$contents,
file_get_contents(Vfs::PREFIX . $file),
"Problem reading contents of someone else's file (".Vfs::PREFIX . "$file) with permission"
);
$this->assertTrue(
Vfs::is_readable($file),
"Vfs says $file is not readable. It should be."
);
}
////// Handy functions ///////
/**
* Create a test user, returns the account ID
*
* @return int
*/
protected function makeUser(Array $account = []) : int
{
if(count($account) == 0)
{
$account = $this->account;
}
if(($account_id = $GLOBALS['egw']->accounts->name2id($account['account_lid'])))
{
// Delete if there in case something went wrong
$GLOBALS['egw']->accounts->delete($account_id);
}
// It needs its own group too, Default will mess with any ACL tests
if(!$GLOBALS['egw']->accounts->exists($account['account_primary_group']))
{
$group = $this->makeTestGroup();
}
// Execute
$command = new \admin_cmd_edit_user(false, $account);
$command->comment = 'Needed for unit test ' . $this->getName();
$command->run();
$this->account_id = $command->account;
if($group)
{
// Had to create the group, but we don't want current user in it
$remove_group = new \admin_cmd_edit_group('Testers',['account_lid' => 'Testers', 'account_members' => [$this->account_id]]);
$remove_group->run();
}
return $this->account_id;
}
/**
* Make a test group we can put our users in to avoid any ACLs on Default group
*/
protected function makeTestGroup()
{
// Execute
$command = new \admin_cmd_edit_group(false, ['account_lid' => 'Testers', 'account_members' => $GLOBALS['egw_info']['user']['account_id']]);
$command->comment = 'Needed for unit test ' . $this->getName();
$command->run();
return $command->account;
}
/**
* Make a filename that reflects the current test
*/
protected function getFilename($path = null)
{
if(is_null($path)) $path = Vfs::get_home_dir().'/';
if(substr($path,-1,1) !== '/') $path = $path . '/';
$reflect = new \ReflectionClass($this);
return $path . $reflect->getShortName() . '_' . $this->getName() . '.txt';
}
/**
* Mount the needed filesystem
*
* This may be called multiple times for each test as we change users, logout, etc.
*/
abstract protected function mount() : void;
/**
* Allow access to the given file for the given user ID
*
* Using whatever way works best for the mount/streamwrapper being tested, allow the user access
*
* @param string $test_name
* @param string $test_file
* @param int $test_user
* @param string $needed r, w, rw
* @return mixed
*/
abstract protected function allowAccess(string $test_name, string &$test_file, int $test_user, string $needed) : void;
/**
* Mount the app entries into the filesystem
*
* @param string $path
*/
protected function mountLinks($path)
{
Vfs::$is_root = true;
$url = Links\StreamWrapper::PREFIX . '/apps';
$this->assertTrue(
Vfs::mount($url, $path, false, false),
"Unabe to mount $url => $path"
);
Vfs::$is_root = false;
$this->mounts[] = $path;
Vfs::clearstatcache();
Vfs::init_static();
}
/**
* Start versioning for the given path
*
* @param string $path
*/
protected function mountVersioned($path)
{
if (!class_exists('EGroupware\Stylite\Vfs\Versioning\StreamWrapper'))
{
$this->markTestSkipped("No versioning available");
}
if(substr($path, -1) == '/') $path = substr($path, 0, -1);
$backup = Vfs::$is_root;
Vfs::$is_root = true;
$url = Versioning\StreamWrapper::PREFIX.$path;
$this->assertTrue(Vfs::mount($url,$path), "Unable to mount $path as versioned");
Vfs::$is_root = $backup;
$this->mounts[] = $path;
Vfs::clearstatcache();
Vfs::init_static();
Vfs\StreamWrapper::init_static();
}
/**
* Mount a test filesystem path (api/tests/fixtures/Vfs/filesystem_mount)
* at the given VFS path
*
* @param string $path
*/
protected function mountFilesystem($path)
{
// Vfs breaks if path has trailing /
if(substr($path, -1) == '/') $path = substr($path, 0, -1);
$backup = Vfs::$is_root;
Vfs::$is_root = true;
$fs_path = realpath(__DIR__ . '/../fixtures/Vfs/filesystem_mount');
if(!file_exists($fs_path))
{
$this->fail("Missing filesystem test directory 'api/tests/fixtures/Vfs/filesystem_mount'");
}
$url = Filesystem\StreamWrapper::SCHEME.'://default'. $fs_path.
'?user='.$GLOBALS['egw_info']['user']['account_id'].'&group=Default&mode=775';
$this->assertTrue(Vfs::mount($url,$path), "Unable to mount $url to $path");
Vfs::$is_root = $backup;
$this->mounts[] = $path;
Vfs::clearstatcache();
Vfs::init_static();
Vfs\StreamWrapper::init_static();
}
/**
* Merge a test filesystem path (api/tests/fixtures/Vfs/filesystem_mount)
* with the given VFS path
*
* @param string $path
*/
protected function mountMerge($path)
{
// Vfs breaks if path has trailing /
if(substr($path, -1) == '/') $path = substr($path, 0, -1);
$backup = Vfs::$is_root;
Vfs::$is_root = true;
// I guess merge needs the dir in SQLFS first
if(!Vfs::is_dir($path)) Vfs::mkdir($path);
Vfs::chmod($path, 0750);
Vfs::chown($path, $GLOBALS['egw_info']['user']['account_id']);
$url = \EGroupware\Stylite\Vfs\Merge\StreamWrapper::SCHEME.'://default'.$path.'?merge=' . realpath(__DIR__ . '/../fixtures/Vfs/filesystem_mount');
$this->assertTrue(Vfs::mount($url,$path), "Unable to mount $url to $path");
Vfs::$is_root = $backup;
$this->mounts[] = $path;
Vfs::clearstatcache();
Vfs::init_static();
Vfs\StreamWrapper::init_static();
}
/**
* Add some files to the given path so there's something to find.
*
* @param string $path
*
* @return array of paths
*/
protected function addFiles($path, $content = false)
{
if(substr($path, -1) != '/')
{
$path .= '/';
}
if(!$content)
{
$content = 'Test for ' . $this->getName() ."\n". Api\DateTime::to();
}
$files = array();
// Plain file
$files[] = $file = $path.'test_file.txt';
$this->assertTrue(
file_put_contents(Vfs::PREFIX.$file, $content) !== FALSE,
'Unable to write test file "' . Vfs::PREFIX . $file .'" - check file permissions for CLI user'
);
// Subdirectory
$files[] = $dir = $path.'sub_dir/';
if(Vfs::is_dir($dir))
{
Vfs::remove($dir);
}
$this->assertTrue(
Vfs::mkdir($dir),
'Unable to create subdirectory ' . $dir
);
// File in a subdirectory
$files[] = $file = $dir.'subdir_test_file.txt';
$this->assertTrue(
file_put_contents(Vfs::PREFIX.$file, $content) !== FALSE,
'Unable to write test file "' . Vfs::PREFIX . $file .'" - check file permissions for CLI user'
);
// Symlinked file
/* We don't test these because they don't work - the target will always
* be outside the share root
// Always says its empty
$files[] = $symlink = $path.'symlink.txt';
if(Vfs::file_exists($symlink)) Vfs::remove($symlink);
$this->assertTrue(
Vfs::symlink($file, $symlink),
"Unable to create symlink $symlink => $file"
);
// Symlinked dir
$files[] = $symlinked_dir = $path.'sym_dir/';
$this->assertTrue(
Vfs::symlink($dir, $symlinked_dir),
'Unable to create symlinked directory ' . $symlinked_dir
);
*/
return $files;
}
}