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PHP modern & secure

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Who is this guy? Ben Edmunds @benedmunds http://benedmunds.com

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Who is this guy? Ben Edmunds Open Source Author PHP Town Hall Podcast CTO at Mindfulware

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Welcome to the Future

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Welcome to the Future Exceptions Namespaces Closures

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Welcome to the Future Statics PDO Short Arrays Security

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Legit Tools

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Legit Tools Built-in Server Unit Testing Composer

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Welcome to the Future

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Great Scott!

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Exceptions

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Exceptions try { //your code goes here } catch (Exception $e) { die($e->getMessage()); }

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Exceptions try { //your code goes here } catch (Exception $e) { die($e->getMessage()); }

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Closures

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Closures Route::get(‘/', function(){ return View::make(‘index'); });

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Closures Route::get(‘/', function(){ return View::make(‘index'); });

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Namespaces

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Namespaces namespace Illuminate\Console; class Command { //…

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Namespaces use Illuminate\Console\Command; namespace Illuminate\Console; class Command { //…

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Namespaces use Illuminate\Console\Command; namespace Illuminate\Console; class Command { //…

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Statics

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Statics Class Route { public static function get() { //… }

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Statics Route::get(); Class Route { public static function get() { //… }

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Statics Route::get(); Class Route { public static function get() { //… }

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Statics NO $this $var = self::varAtDeﬁnition; $var = static::varAtExec;

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Short Array Syntax

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Short Array Syntax $array = array( 0 => ‘value1’, 1 => ‘value2’, );

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Short Array Syntax $array = [ 0 => ‘value1’, 1 => ‘value2’, ];

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Short Array Syntax $array = [ 0 => ‘value1’, 1 => ‘value2’, ];

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Traits

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Traits // grouping without // strict inheritance trait baseUser { function getName() { return ‘Jon Snow’; } }

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Traits class adminUser { use baseUser; }

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Traits $adminUser = new adminUser; echo $adminUser->getName(); //output = ‘Jon Snow’

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PDO

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PDO Cross System

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PDO Cross System MS SQL MySQL Oracle PostgreSQL SQLite CUBRID Firebird Informix ODBC & DB2 4D

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PDO Cross System Safe Binding

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PDO $stmt = $db->prepare(‘ SELECT * FROM users WHERE id=:id ’); $stmt->bindParam(‘:id’, $id); $stmt->execute();

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Security

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Security SQL Injection HTTPS Password Hashing

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Security Authentication Safe Defaults XSS & CSRF

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Security //escaping input $stmt->bindParam(‘:id’, $id);

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Security //escaping input $stmt->bindParam(‘:id’, $id); //escaping output htmlentities($_POST[‘name’], ENT_QUOTES, ‘UTF-8’);

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Security HTTPS / SSL Encrypts traﬃc across the wire Trusted sender and receiver Required by OAUTH 2

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Security //authentication - access control if (!$user->inGroup(‘admin’)) { return ‘ERROR YO’; }

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Security //authentication - brute force if ($user->loginAttempts > 5) { return ‘CAUGHT YA’; }

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Security //safe password hashing password_hash($_POST['pass']);

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Security //safe password hashing password_hash($_POST['pass']); //password veriﬁcation password_verify($_POST['pass'], $u->pass);

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Security //safe defaults class Your Controller { protected $var1 = ‘default value’; function __construct() { … } }

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Security //safe defaults $something = false; foreach ($array as $k => $v) { $something = $v->foo; if ($something == ‘bar’) { … } }

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Security //Non-Persistent XSS http://www.yourSite.com/ ?page_num=2&per_page=50 Send the link to someone, boom

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Security //Persistent XSS Same idea, except with data that is saved to the server and re-displayed

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Security //XSS Protection

Title

Hello

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Security //Cross Site Request Forgery //(CSRF) http://yourSite.com/ users/12/delete

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Security //CSRF Protection POST / PUT / UPDATE / DELETE behind forms with one-time use tokens

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Security //CSRF Protection function generateCsrf() { $token = mcrypt_create_iv( 16, MCRYPT_DEV_URANDOM); Session::ﬂash('csrfToken', $token); return $token; }

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Security //CSRF Protection if ( $_POST['token'] == Session::get(‘csrfToken') ) { … }

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Legit Tools

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Built-in Web Server

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Built-in Server $ php -S localhost:8000 PHP 5.4.0 Development Server started… Listening on localhost:8000 Document root is /home/ben/htdocs Press Ctrl-C to quit

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Composer

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Another Package Manager!?

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Composer Sane Package Management

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Composer Autoloading

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Composer PEAR, ha! packagist.org

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Composer / composer.json { "require": { "stripe/stripe-php": "dev-master", "twilio/sdk": "dev-master" } }

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Composer $ php composer.phar update $ php composer.phar install

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Composer $client = new Services_Twilio($sid, $tkn); $client->account ->messages ->sendMessage(…)

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Unit Testing

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Unit Testing PHPUnit Behat Mink Selenium CodeCeption PHPSpec

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Unit Testing class ApiAuthTest extends PHPUnit_Framework_TestCase { public function testVerify() { $auth = new apiAuth(); $this->assertTrue($auth->verify());

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Unit Testing class ApiAuthTest extends PHPUnit_Framework_TestCase { public function testVerify() { $auth = new apiAuth(); $this->assertTrue($auth->verify());

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Unit Testing $ phpunit tests PHPUnit 3.3.17 by Sebastian Bergmann. Time: 0.01 seconds OK (1 tests, 1 assertions)

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Resources

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Resources PHP.net

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Resources Modern Frameworks Laravel Symfony2 Fuel PHP SlimPHP 2 Aura for PHP Silex

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Resources leanpub.com/ phptherightway PHPtheRightWay.com

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Resources BuildSecurePHPapps.com Coupon Code: zendcon 20% oﬀ / 5$ oﬀ http://buildsecurephpapps.com/?coupon=zendcon

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Q/A TIME! Ben Edmunds @benedmunds http://benedmunds.com http://buildsecurephpapps.com/?coupon=zendcon http://joind.in/15620