+<?php
+namespace Shaarli;
+
+require_once 'tests/utils/FakeConfigManager.php';
+use \PHPUnit\Framework\TestCase;
+
+/**
+ * Test coverage for LoginManager
+ */
+class LoginManagerTest extends TestCase
+{
+ protected $configManager = null;
+ protected $loginManager = null;
+ protected $banFile = 'sandbox/ipbans.php';
+ protected $logFile = 'sandbox/shaarli.log';
+ protected $globals = [];
+ protected $ipAddr = '127.0.0.1';
+ protected $server = [];
+ protected $trustedProxy = '10.1.1.100';
+
+ /**
+ * Prepare or reset test resources
+ */
+ public function setUp()
+ {
+ if (file_exists($this->banFile)) {
+ unlink($this->banFile);
+ }
+
+ $this->configManager = new \FakeConfigManager([
+ 'resource.ban_file' => $this->banFile,
+ 'resource.log' => $this->logFile,
+ 'security.ban_after' => 4,
+ 'security.ban_duration' => 3600,
+ 'security.trusted_proxies' => [$this->trustedProxy],
+ ]);
+
+ $this->globals = &$GLOBALS;
+ unset($this->globals['IPBANS']);
+
+ $this->loginManager = new LoginManager($this->globals, $this->configManager);
+ $this->server['REMOTE_ADDR'] = $this->ipAddr;
+ }
+
+ /**
+ * Wipe test resources
+ */
+ public function tearDown()
+ {
+ unset($this->globals['IPBANS']);
+ }
+
+ /**
+ * Instantiate a LoginManager and load ban records
+ */
+ public function testReadBanFile()
+ {
+ file_put_contents(
+ $this->banFile,
+ "<?php\n\$GLOBALS['IPBANS']=array('FAILURES' => array('127.0.0.1' => 99));\n?>"
+ );
+ new LoginManager($this->globals, $this->configManager);
+ $this->assertEquals(99, $this->globals['IPBANS']['FAILURES']['127.0.0.1']);
+ }
+
+ /**
+ * Record a failed login attempt
+ */
+ public function testHandleFailedLogin()
+ {
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(1, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(2, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ }
+
+ /**
+ * Record a failed login attempt - IP behind a trusted proxy
+ */
+ public function testHandleFailedLoginBehindTrustedProxy()
+ {
+ $server = [
+ 'REMOTE_ADDR' => $this->trustedProxy,
+ 'HTTP_X_FORWARDED_FOR' => $this->ipAddr,
+ ];
+ $this->loginManager->handleFailedLogin($server);
+ $this->assertEquals(1, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+
+ $this->loginManager->handleFailedLogin($server);
+ $this->assertEquals(2, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ }
+
+ /**
+ * Record a failed login attempt - IP behind a trusted proxy but not forwarded
+ */
+ public function testHandleFailedLoginBehindTrustedProxyNoIp()
+ {
+ $server = [
+ 'REMOTE_ADDR' => $this->trustedProxy,
+ ];
+ $this->loginManager->handleFailedLogin($server);
+ $this->assertFalse(isset($this->globals['IPBANS']['FAILURES'][$this->ipAddr]));
+
+ $this->loginManager->handleFailedLogin($server);
+ $this->assertFalse(isset($this->globals['IPBANS']['FAILURES'][$this->ipAddr]));
+ }
+
+ /**
+ * Record a failed login attempt and ban the IP after too many failures
+ */
+ public function testHandleFailedLoginBanIp()
+ {
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(1, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(2, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(3, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(4, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ $this->assertFalse($this->loginManager->canLogin($this->server));
+
+ // handleFailedLogin is not supposed to be called at this point:
+ // - no login form should be displayed once an IP has been banned
+ // - yet this could happen when using custom templates / scripts
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(5, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ $this->assertFalse($this->loginManager->canLogin($this->server));
+ }
+
+ /**
+ * Nothing to do
+ */
+ public function testHandleSuccessfulLogin()
+ {
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+
+ $this->loginManager->handleSuccessfulLogin($this->server);
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+ }
+
+ /**
+ * Erase failure records after successfully logging in from this IP
+ */
+ public function testHandleSuccessfulLoginAfterFailure()
+ {
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->loginManager->handleFailedLogin($this->server);
+ $this->assertEquals(2, $this->globals['IPBANS']['FAILURES'][$this->ipAddr]);
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+
+ $this->loginManager->handleSuccessfulLogin($this->server);
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+ $this->assertFalse(isset($this->globals['IPBANS']['FAILURES'][$this->ipAddr]));
+ $this->assertFalse(isset($this->globals['IPBANS']['BANS'][$this->ipAddr]));
+ }
+
+ /**
+ * The IP is not banned
+ */
+ public function testCanLoginIpNotBanned()
+ {
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+ }
+
+ /**
+ * The IP is banned
+ */
+ public function testCanLoginIpBanned()
+ {
+ // ban the IP for an hour
+ $this->globals['IPBANS']['FAILURES'][$this->ipAddr] = 10;
+ $this->globals['IPBANS']['BANS'][$this->ipAddr] = time() + 3600;
+
+ $this->assertFalse($this->loginManager->canLogin($this->server));
+ }
+
+ /**
+ * The IP is banned, and the ban duration is over
+ */
+ public function testCanLoginIpBanExpired()
+ {
+ // ban the IP for an hour
+ $this->globals['IPBANS']['FAILURES'][$this->ipAddr] = 10;
+ $this->globals['IPBANS']['BANS'][$this->ipAddr] = time() + 3600;
+ $this->assertFalse($this->loginManager->canLogin($this->server));
+
+ // lift the ban
+ $this->globals['IPBANS']['BANS'][$this->ipAddr] = time() - 3600;
+ $this->assertTrue($this->loginManager->canLogin($this->server));
+ }
+}