Merge pull request #1086 from virtualtam/refactor/login

Refactor user login and session management

1 files changed, 273 insertions, 0 deletions

diff --git a/tests/security/SessionManagerTest.php b/tests/security/SessionManagerTest.php
new file mode 100644
index 00000000..9bd868f8
--- /dev/null
+++ b/tests/security/SessionManagerTest.php
@@ -0,0 +1,273 @@
+<?php
+require_once 'tests/utils/FakeConfigManager.php';
+
+// Initialize reference data _before_ PHPUnit starts a session
+require_once 'tests/utils/ReferenceSessionIdHashes.php';
+ReferenceSessionIdHashes::genAllHashes();
+
+use \Shaarli\Security\SessionManager;
+use \PHPUnit\Framework\TestCase;
+
+
+/**
+ * Test coverage for SessionManager
+ */
+class SessionManagerTest extends TestCase
+{
+    /** @var array Session ID hashes */
+    protected static $sidHashes = null;
+
+    /** @var \FakeConfigManager ConfigManager substitute for testing */
+    protected $conf = null;
+
+    /** @var array $_SESSION array for testing */
+    protected $session = [];
+
+    /** @var SessionManager Server-side session management abstraction */
+    protected $sessionManager = null;
+
+    /**
+     * Assign reference data
+     */
+    public static function setUpBeforeClass()
+    {
+        self::$sidHashes = ReferenceSessionIdHashes::getHashes();
+    }
+
+    /**
+     * Initialize or reset test resources
+     */
+    public function setUp()
+    {
+        $this->conf = new FakeConfigManager([
+            'credentials.login' => 'johndoe',
+            'credentials.salt' => 'salt',
+            'security.session_protection_disabled' => false,
+        ]);
+        $this->session = [];
+        $this->sessionManager = new SessionManager($this->session, $this->conf);
+    }
+
+    /**
+     * Generate a session token
+     */
+    public function testGenerateToken()
+    {
+        $token = $this->sessionManager->generateToken();
+
+        $this->assertEquals(1, $this->session['tokens'][$token]);
+        $this->assertEquals(40, strlen($token));
+    }
+
+    /**
+     * Check a session token
+     */
+    public function testCheckToken()
+    {
+        $token = '4dccc3a45ad9d03e5542b90c37d8db6d10f2b38b';
+        $session = [
+            'tokens' => [
+                $token => 1,
+            ],
+        ];
+        $sessionManager = new SessionManager($session, $this->conf);
+
+        // check and destroy the token
+        $this->assertTrue($sessionManager->checkToken($token));
+        $this->assertFalse(isset($session['tokens'][$token]));
+
+        // ensure the token has been destroyed
+        $this->assertFalse($sessionManager->checkToken($token));
+    }
+
+    /**
+     * Generate and check a session token
+     */
+    public function testGenerateAndCheckToken()
+    {
+        $token = $this->sessionManager->generateToken();
+
+        // ensure a token has been generated
+        $this->assertEquals(1, $this->session['tokens'][$token]);
+        $this->assertEquals(40, strlen($token));
+
+        // check and destroy the token
+        $this->assertTrue($this->sessionManager->checkToken($token));
+        $this->assertFalse(isset($this->session['tokens'][$token]));
+
+        // ensure the token has been destroyed
+        $this->assertFalse($this->sessionManager->checkToken($token));
+    }
+
+    /**
+     * Check an invalid session token
+     */
+    public function testCheckInvalidToken()
+    {
+        $this->assertFalse($this->sessionManager->checkToken('4dccc3a45ad9d03e5542b90c37d8db6d10f2b38b'));
+    }
+
+    /**
+     * Test SessionManager::checkId with a valid ID - TEST ALL THE HASHES!
+     *
+     * This tests extensively covers all hash algorithms / bit representations
+     */
+    public function testIsAnyHashSessionIdValid()
+    {
+        foreach (self::$sidHashes as $algo => $bpcs) {
+            foreach ($bpcs as $bpc => $hash) {
+                $this->assertTrue(SessionManager::checkId($hash));
+            }
+        }
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-1 hashes
+     */
+    public function testIsSha1SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(sha1('shaarli')));
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-256 hashes
+     */
+    public function testIsSha256SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(hash('sha256', 'shaarli')));
+    }
+
+    /**
+     * Test checkId with a valid ID - SHA-512 hashes
+     */
+    public function testIsSha512SessionIdValid()
+    {
+        $this->assertTrue(SessionManager::checkId(hash('sha512', 'shaarli')));
+    }
+
+    /**
+     * Test checkId with invalid IDs.
+     */
+    public function testIsSessionIdInvalid()
+    {
+        $this->assertFalse(SessionManager::checkId(''));
+        $this->assertFalse(SessionManager::checkId([]));
+        $this->assertFalse(
+            SessionManager::checkId('c0ZqcWF3VFE2NmJBdm1HMVQ0ZHJ3UmZPbTFsNGhkNHI=')
+        );
+    }
+
+    /**
+     * Store login information after a successful login
+     */
+    public function testStoreLoginInfo()
+    {
+        $this->sessionManager->storeLoginInfo('ip_id');
+
+        $this->assertGreaterThan(time(), $this->session['expires_on']);
+        $this->assertEquals('ip_id', $this->session['ip']);
+        $this->assertEquals('johndoe', $this->session['username']);
+    }
+
+    /**
+     * Extend a server-side session by SessionManager::$SHORT_TIMEOUT
+     */
+    public function testExtendSession()
+    {
+        $this->sessionManager->extendSession();
+
+        $this->assertGreaterThan(time(), $this->session['expires_on']);
+        $this->assertLessThanOrEqual(
+            time() + SessionManager::$SHORT_TIMEOUT,
+            $this->session['expires_on']
+        );
+    }
+
+    /**
+     * Extend a server-side session by SessionManager::$LONG_TIMEOUT
+     */
+    public function testExtendSessionStaySignedIn()
+    {
+        $this->sessionManager->setStaySignedIn(true);
+        $this->sessionManager->extendSession();
+
+        $this->assertGreaterThan(time(), $this->session['expires_on']);
+        $this->assertGreaterThan(
+            time() + SessionManager::$LONG_TIMEOUT - 10,
+            $this->session['expires_on']
+        );
+        $this->assertLessThanOrEqual(
+            time() + SessionManager::$LONG_TIMEOUT,
+            $this->session['expires_on']
+        );
+    }
+
+    /**
+     * Unset session variables after logging out
+     */
+    public function testLogout()
+    {
+        $this->session = [
+            'ip' => 'ip_id',
+            'expires_on' => time() + 1000,
+            'username' => 'johndoe',
+            'visibility' => 'public',
+            'untaggedonly' => false,
+        ];
+        $this->sessionManager->logout();
+
+        $this->assertFalse(isset($this->session['ip']));
+        $this->assertFalse(isset($this->session['expires_on']));
+        $this->assertFalse(isset($this->session['username']));
+        $this->assertFalse(isset($this->session['visibility']));
+        $this->assertFalse(isset($this->session['untaggedonly']));
+    }
+
+    /**
+     * The session is active and expiration time has been reached
+     */
+    public function testHasExpiredTimeElapsed()
+    {
+        $this->session['expires_on'] = time() - 10;
+
+        $this->assertTrue($this->sessionManager->hasSessionExpired());
+    }
+
+    /**
+     * The session is active and expiration time has not been reached
+     */
+    public function testHasNotExpired()
+    {
+        $this->session['expires_on'] = time() + 1000;
+
+        $this->assertFalse($this->sessionManager->hasSessionExpired());
+    }
+
+    /**
+     * Session hijacking protection is disabled, we assume the IP has not changed
+     */
+    public function testHasClientIpChangedNoSessionProtection()
+    {
+        $this->conf->set('security.session_protection_disabled', true);
+
+        $this->assertFalse($this->sessionManager->hasClientIpChanged(''));
+    }
+
+    /**
+     * The client IP identifier has not changed
+     */
+    public function testHasClientIpChangedNope()
+    {
+        $this->session['ip'] = 'ip_id';
+        $this->assertFalse($this->sessionManager->hasClientIpChanged('ip_id'));
+    }
+
+    /**
+     * The client IP identifier has changed
+     */
+    public function testHasClientIpChanged()
+    {
+        $this->session['ip'] = 'ip_id_one';
+        $this->assertTrue($this->sessionManager->hasClientIpChanged('ip_id_two'));
+    }
+}