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Merge pull request #442 from ArthurHoaro/updater

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Introduce the Updater class which
This commit is contained in:
Arthur 2016-02-15 20:36:42 +01:00
commit 854ea37255
8 changed files with 550 additions and 86 deletions
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27
application/Config.php
View file

@ -173,33 +173,6 @@ function load_plugin_parameter_values($plugins, $config)
return $out;
}
/**
* Milestone 0.9 - shaarli/Shaarli#41: options.php is not supported anymore.
* ==> if user is loggedIn, merge its content with config.php, then delete options.php.
*
* @param array $config contains all configuration fields.
* @param bool $isLoggedIn true if user is logged in.
*
* @return void
*/
function mergeDeprecatedConfig($config, $isLoggedIn)
{
$config_file = $config['config']['CONFIG_FILE'];
if (is_file($config['config']['DATADIR'].'/options.php') && $isLoggedIn) {
include $config['config']['DATADIR'].'/options.php';
// Load GLOBALS into config
foreach ($GLOBALS as $key => $value) {
$config[$key] = $value;
}
$config['config']['CONFIG_FILE'] = $config_file;
writeConfig($config, $isLoggedIn);
unlink($config['config']['DATADIR'].'/options.php');
}
}
/**
* Exception used if a mandatory field is missing in given configuration.
*/

10
application/LinkDB.php
View file

@ -260,14 +260,11 @@ private function _readDB()
}
}
// Keep the list of the mapping URLs-->linkdate up-to-date.
$this->_urls = array();
foreach ($this->_links as $link) {
$this->_urls[$link['url']] = $link['linkdate'];
}
// Escape links data
foreach ($this->_links as &$link) {
// Keep the list of the mapping URLs-->linkdate up-to-date.
$this->_urls[$link['url']] = $link['linkdate'];
// Sanitize data fields.
sanitizeLink($link);
// Do not use the redirector for internal links (Shaarli note URL starting with a '?').
if (!empty($this->_redirector) && !startsWith($link['url'], '?')) {
@ -381,6 +378,7 @@ public function days()
}
$linkDays = array_keys($linkDays);
sort($linkDays);
return $linkDays;
}
}

1
application/LinkFilter.php
View file

@ -260,7 +260,6 @@ public function filterDay($day)
* Convert a list of tags (str) to an array. Also
* - handle case sensitivity.
* - accepts spaces commas as separator.
* - remove private tags for loggedout users.
*
* @param string $tags string containing a list of tags.
* @param bool $casesensitive will convert everything to lowercase if false.

228
application/Updater.php Normal file
View file

@ -0,0 +1,228 @@
<?php
/**
* Class Updater.
* Used to update stuff when a new Shaarli's version is reached.
* Update methods are ran only once, and the stored in a JSON file.
*/
class Updater
{
/**
* @var array Updates which are already done.
*/
protected $doneUpdates;
/**
* @var array Shaarli's configuration array.
*/
protected $config;
/**
* @var LinkDB instance.
*/
protected $linkDB;
/**
* @var bool True if the user is logged in, false otherwise.
*/
protected $isLoggedIn;
/**
* @var ReflectionMethod[] List of current class methods.
*/
protected $methods;
/**
* Object constructor.
*
* @param array $doneUpdates Updates which are already done.
* @param array $config Shaarli's configuration array.
* @param LinkDB $linkDB LinkDB instance.
* @param boolean $isLoggedIn True if the user is logged in.
*/
public function __construct($doneUpdates, $config, $linkDB, $isLoggedIn)
{
$this->doneUpdates = $doneUpdates;
$this->config = $config;
$this->linkDB = $linkDB;
$this->isLoggedIn = $isLoggedIn;
// Retrieve all update methods.
$class = new ReflectionClass($this);
$this->methods = $class->getMethods();
}
/**
* Run all new updates.
* Update methods have to start with 'updateMethod' and return true (on success).
*
* @return array An array containing ran updates.
*
* @throws UpdaterException If something went wrong.
*/
public function update()
{
$updatesRan = array();
// If the user isn't logged in, exit without updating.
if ($this->isLoggedIn !== true) {
return $updatesRan;
}
if ($this->methods == null) {
throw new UpdaterException('Couldn\'t retrieve Updater class methods.');
}
foreach ($this->methods as $method) {
// Not an update method or already done, pass.
if (! startsWith($method->getName(), 'updateMethod')
|| in_array($method->getName(), $this->doneUpdates)
) {
continue;
}
try {
$method->setAccessible(true);
$res = $method->invoke($this);
// Update method must return true to be considered processed.
if ($res === true) {
$updatesRan[] = $method->getName();
}
} catch (Exception $e) {
throw new UpdaterException($method, $e);
}
}
$this->doneUpdates = array_merge($this->doneUpdates, $updatesRan);
return $updatesRan;
}
/**
* @return array Updates methods already processed.
*/
public function getDoneUpdates()
{
return $this->doneUpdates;
}
/**
* Move deprecated options.php to config.php.
*
* Milestone 0.9 (old versioning) - shaarli/Shaarli#41:
* options.php is not supported anymore.
*/
public function updateMethodMergeDeprecatedConfigFile()
{
$config_file = $this->config['config']['CONFIG_FILE'];
if (is_file($this->config['config']['DATADIR'].'/options.php')) {
include $this->config['config']['DATADIR'].'/options.php';
// Load GLOBALS into config
foreach ($GLOBALS as $key => $value) {
$this->config[$key] = $value;
}
$this->config['config']['CONFIG_FILE'] = $config_file;
writeConfig($this->config, $this->isLoggedIn);
unlink($this->config['config']['DATADIR'].'/options.php');
}
return true;
}
}
/**
* Class UpdaterException.
*/
class UpdaterException extends Exception
{
/**
* @var string Method where the error occurred.
*/
protected $method;
/**
* @var Exception The parent exception.
*/
protected $previous;
/**
* Constructor.
*
* @param string $message Force the error message if set.
* @param string $method Method where the error occurred.
* @param Exception|bool $previous Parent exception.
*/
public function __construct($message = '', $method = '', $previous = false)
{
$this->method = $method;
$this->previous = $previous;
$this->message = $this->buildMessage($message);
}
/**
* Build the exception error message.
*
* @param string $message Optional given error message.
*
* @return string The built error message.
*/
private function buildMessage($message)
{
$out = '';
if (! empty($message)) {
$out .= $message . PHP_EOL;
}
if (! empty($this->method)) {
$out .= 'An error occurred while running the update '. $this->method . PHP_EOL;
}
if (! empty($this->previous)) {
$out .= ' '. $this->previous->getMessage();
}
return $out;
}
}
/**
* Read the updates file, and return already done updates.
*
* @param string $updatesFilepath Updates file path.
*
* @return array Already done update methods.
*/
function read_updates_file($updatesFilepath)
{
if (! empty($updatesFilepath) && is_file($updatesFilepath)) {
$content = file_get_contents($updatesFilepath);
if (! empty($content)) {
return explode(';', $content);
}
}
return array();
}
/**
* Write updates file.
*
* @param string $updatesFilepath Updates file path.
* @param array $updates Updates array to write.
*
* @throws Exception Couldn't write version number.
*/
function write_updates_file($updatesFilepath, $updates)
{
if (empty($updatesFilepath)) {
throw new Exception('Updates file path is not set, can\'t write updates.');
}
$res = file_put_contents($updatesFilepath, implode(';', $updates));
if ($res === false) {
throw new Exception('Unable to write updates in '. $updatesFilepath . '.');
}
}

33
index.php
View file

@ -44,6 +44,9 @@
// Banned IPs
$GLOBALS['config']['IPBANS_FILENAME'] = $GLOBALS['config']['DATADIR'].'/ipbans.php';
// Processed updates file.
$GLOBALS['config']['UPDATES_FILE'] = $GLOBALS['config']['DATADIR'].'/updates.txt';
// Access log
$GLOBALS['config']['LOG_FILE'] = $GLOBALS['config']['DATADIR'].'/log.txt';
@ -64,7 +67,6 @@
// Atom & RSS feed cache directory
$GLOBALS['config']['PAGECACHE'] = 'pagecache';
/*
* Global configuration
*/
@ -163,6 +165,7 @@
require_once 'application/Config.php';
require_once 'application/PluginManager.php';
require_once 'application/Router.php';
require_once 'application/Updater.php';
// Ensure the PHP version is supported
try {
@ -1114,6 +1117,25 @@ function renderPage()
$GLOBALS['redirector']
);
$updater = new Updater(
read_updates_file($GLOBALS['config']['UPDATES_FILE']),
$GLOBALS,
$LINKSDB,
isLoggedIn()
);
try {
$newUpdates = $updater->update();
if (! empty($newUpdates)) {
write_updates_file(
$GLOBALS['config']['UPDATES_FILE'],
$updater->getDoneUpdates()
);
}
}
catch(Exception $e) {
die($e->getMessage());
}
$PAGE = new pageBuilder;
// Determine which page will be rendered.
@ -2519,15 +2541,6 @@ function resizeImage($filepath)
return true;
}
try {
mergeDeprecatedConfig($GLOBALS, isLoggedIn());
} catch(Exception $e) {
error_log(
'ERROR while merging deprecated options.php file.' . PHP_EOL .
$e->getMessage()
);
}
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=genthumbnail')) { genThumbnail(); exit; } // Thumbnail generation/cache does not need the link database.
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=rss')) { showRSS(); exit; }
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=atom')) { showATOM(); exit; }

42
tests/ConfigTest.php
View file

@ -133,48 +133,6 @@ public function testWriteConfigLoggedOutWithFile()
writeConfig(self::$configFields, false);
}
/**
* Test mergeDeprecatedConfig while being logged in:
* 1. init a config file.
* 2. init a options.php file with update value.
* 3. merge.
* 4. check updated value in config file.
*/
public function testMergeDeprecatedConfig()
{
// init
writeConfig(self::$configFields, true);
$configCopy = self::$configFields;
$invert = !$configCopy['privateLinkByDefault'];
$configCopy['privateLinkByDefault'] = $invert;
// Use writeConfig to create a options.php
$configCopy['config']['CONFIG_FILE'] = 'tests/options.php';
writeConfig($configCopy, true);
$this->assertTrue(is_file($configCopy['config']['CONFIG_FILE']));
// merge configs
mergeDeprecatedConfig(self::$configFields, true);
// make sure updated field is changed
include self::$configFields['config']['CONFIG_FILE'];
$this->assertEquals($invert, $GLOBALS['privateLinkByDefault']);
$this->assertFalse(is_file($configCopy['config']['CONFIG_FILE']));
}
/**
* Test mergeDeprecatedConfig while being logged in without options file.
*/
public function testMergeDeprecatedConfigNoFile()
{
writeConfig(self::$configFields, true);
mergeDeprecatedConfig(self::$configFields, true);
include self::$configFields['config']['CONFIG_FILE'];
$this->assertEquals(self::$configFields['login'], $GLOBALS['login']);
}
/**
* Test save_plugin_config with valid data.
*

68
tests/Updater/DummyUpdater.php Normal file
View file

@ -0,0 +1,68 @@
<?php
require_once 'application/Updater.php';
/**
* Class DummyUpdater.
* Extends Updater to add update method designed for unit tests.
*/
class DummyUpdater extends Updater
{
/**
* Object constructor.
*
* @param array $doneUpdates Updates which are already done.
* @param array $config Shaarli's configuration array.
* @param LinkDB $linkDB LinkDB instance.
* @param boolean $isLoggedIn True if the user is logged in.
*/
public function __construct($doneUpdates, $config, $linkDB, $isLoggedIn)
{
parent::__construct($doneUpdates, $config, $linkDB, $isLoggedIn);
// Retrieve all update methods.
// For unit test, only retrieve final methods,
$class = new ReflectionClass($this);
$this->methods = $class->getMethods(ReflectionMethod::IS_FINAL);
}
/**
* Update method 1.
*
* @return bool true.
*/
private final function updateMethodDummy1()
{
return true;
}
/**
* Update method 2.
*
* @return bool true.
*/
private final function updateMethodDummy2()
{
return true;
}
/**
* Update method 3.
*
* @return bool true.
*/
private final function updateMethodDummy3()
{
return true;
}
/**
* Update method 4, raise an exception.
*
* @throws Exception error.
*/
private final function updateMethodException()
{
throw new Exception('whatever');
}
}

227
tests/Updater/UpdaterTest.php Normal file
View file

@ -0,0 +1,227 @@
<?php
require_once 'tests/Updater/DummyUpdater.php';
/**
* Class UpdaterTest.
* Runs unit tests against the Updater class.
*/
class UpdaterTest extends PHPUnit_Framework_TestCase
{
/**
* @var array Configuration input set.
*/
private static $configFields;
/**
* Executed before each test.
*/
public function setUp()
{
self::$configFields = array(
'login' => 'login',
'hash' => 'hash',
'salt' => 'salt',
'timezone' => 'Europe/Paris',
'title' => 'title',
'titleLink' => 'titleLink',
'redirector' => '',
'disablesessionprotection' => false,
'privateLinkByDefault' => false,
'config' => array(
'CONFIG_FILE' => 'tests/Updater/config.php',
'DATADIR' => 'tests/Updater',
'config1' => 'config1data',
'config2' => 'config2data',
)
);
}
/**
* Executed after each test.
*
* @return void
*/
public function tearDown()
{
if (is_file(self::$configFields['config']['CONFIG_FILE'])) {
unlink(self::$configFields['config']['CONFIG_FILE']);
}
if (is_file(self::$configFields['config']['DATADIR'] . '/options.php')) {
unlink(self::$configFields['config']['DATADIR'] . '/options.php');
}
if (is_file(self::$configFields['config']['DATADIR'] . '/updates.json')) {
unlink(self::$configFields['config']['DATADIR'] . '/updates.json');
}
}
/**
* Test read_updates_file with an empty/missing file.
*/
public function testReadEmptyUpdatesFile()
{
$this->assertEquals(array(), read_updates_file(''));
$updatesFile = self::$configFields['config']['DATADIR'] . '/updates.json';
touch($updatesFile);
$this->assertEquals(array(), read_updates_file($updatesFile));
}
/**
* Test read/write updates file.
*/
public function testReadWriteUpdatesFile()
{
$updatesFile = self::$configFields['config']['DATADIR'] . '/updates.json';
$updatesMethods = array('m1', 'm2', 'm3');
write_updates_file($updatesFile, $updatesMethods);
$readMethods = read_updates_file($updatesFile);
$this->assertEquals($readMethods, $updatesMethods);
// Update
$updatesMethods[] = 'm4';
write_updates_file($updatesFile, $updatesMethods);
$readMethods = read_updates_file($updatesFile);
$this->assertEquals($readMethods, $updatesMethods);
}
/**
* Test errors in write_updates_file(): empty updates file.
*
* @expectedException Exception
* @expectedExceptionMessageRegExp /Updates file path is not set(.*)/
*/
public function testWriteEmptyUpdatesFile()
{
write_updates_file('', array('test'));
}
/**
* Test errors in write_updates_file(): not writable updates file.
*
* @expectedException Exception
* @expectedExceptionMessageRegExp /Unable to write(.*)/
*/
public function testWriteUpdatesFileNotWritable()
{
$updatesFile = self::$configFields['config']['DATADIR'] . '/updates.json';
touch($updatesFile);
chmod($updatesFile, 0444);
@write_updates_file($updatesFile, array('test'));
}
/**
* Test the update() method, with no update to run.
* 1. Everything already run.
* 2. User is logged out.
*/
public function testNoUpdates()
{
$updates = array(
'updateMethodDummy1',
'updateMethodDummy2',
'updateMethodDummy3',
'updateMethodException',
);
$updater = new DummyUpdater($updates, array(), array(), true);
$this->assertEquals(array(), $updater->update());
$updater = new DummyUpdater(array(), array(), array(), false);
$this->assertEquals(array(), $updater->update());
}
/**
* Test the update() method, with all updates to run (except the failing one).
*/
public function testUpdatesFirstTime()
{
$updates = array('updateMethodException',);
$expectedUpdates = array(
'updateMethodDummy1',
'updateMethodDummy2',
'updateMethodDummy3',
);
$updater = new DummyUpdater($updates, array(), array(), true);
$this->assertEquals($expectedUpdates, $updater->update());
}
/**
* Test the update() method, only one update to run.
*/
public function testOneUpdate()
{
$updates = array(
'updateMethodDummy1',
'updateMethodDummy3',
'updateMethodException',
);
$expectedUpdate = array('updateMethodDummy2');
$updater = new DummyUpdater($updates, array(), array(), true);
$this->assertEquals($expectedUpdate, $updater->update());
}
/**
* Test Update failed.
*
* @expectedException UpdaterException
*/
public function testUpdateFailed()
{
$updates = array(
'updateMethodDummy1',
'updateMethodDummy2',
'updateMethodDummy3',
);
$updater = new DummyUpdater($updates, array(), array(), true);
$updater->update();
}
/**
* Test update mergeDeprecatedConfig:
* 1. init a config file.
* 2. init a options.php file with update value.
* 3. merge.
* 4. check updated value in config file.
*/
public function testUpdateMergeDeprecatedConfig()
{
// init
writeConfig(self::$configFields, true);
$configCopy = self::$configFields;
$invert = !$configCopy['privateLinkByDefault'];
$configCopy['privateLinkByDefault'] = $invert;
// Use writeConfig to create a options.php
$configCopy['config']['CONFIG_FILE'] = 'tests/Updater/options.php';
writeConfig($configCopy, true);
$this->assertTrue(is_file($configCopy['config']['CONFIG_FILE']));
// merge configs
$updater = new Updater(array(), self::$configFields, array(), true);
$updater->updateMethodMergeDeprecatedConfigFile();
// make sure updated field is changed
include self::$configFields['config']['CONFIG_FILE'];
$this->assertEquals($invert, $GLOBALS['privateLinkByDefault']);
$this->assertFalse(is_file($configCopy['config']['CONFIG_FILE']));
}
/**
* Test mergeDeprecatedConfig in without options file.
*/
public function testMergeDeprecatedConfigNoFile()
{
writeConfig(self::$configFields, true);
$updater = new Updater(array(), self::$configFields, array(), true);
$updater->updateMethodMergeDeprecatedConfigFile();
include self::$configFields['config']['CONFIG_FILE'];
$this->assertEquals(self::$configFields['login'], $GLOBALS['login']);
}
}