--- /dev/null
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+class Twig_Tests_Extension_SandboxTest extends PHPUnit_Framework_TestCase
+{
+ protected static $params;
+ protected static $templates;
+
+ protected function setUp()
+ {
+ self::$params = array(
+ 'name' => 'Fabien',
+ 'obj' => new FooObject(),
+ 'arr' => array('obj' => new FooObject()),
+ );
+
+ self::$templates = array(
+ '1_basic1' => '{{ obj.foo }}',
+ '1_basic2' => '{{ name|upper }}',
+ '1_basic3' => '{% if name %}foo{% endif %}',
+ '1_basic4' => '{{ obj.bar }}',
+ '1_basic5' => '{{ obj }}',
+ '1_basic6' => '{{ arr.obj }}',
+ '1_basic7' => '{{ cycle(["foo","bar"], 1) }}',
+ '1_basic8' => '{{ obj.getfoobar }}{{ obj.getFooBar }}',
+ '1_basic9' => '{{ obj.foobar }}{{ obj.fooBar }}',
+ '1_basic' => '{% if obj.foo %}{{ obj.foo|upper }}{% endif %}',
+ '1_layout' => '{% block content %}{% endblock %}',
+ '1_child' => "{% extends \"1_layout\" %}\n{% block content %}\n{{ \"a\"|json_encode }}\n{% endblock %}",
+ '1_include' => '{{ include("1_basic1", sandboxed=true) }}',
+ );
+ }
+
+ /**
+ * @expectedException Twig_Sandbox_SecurityError
+ * @expectedExceptionMessage Filter "json_encode" is not allowed in "1_child" at line 3.
+ */
+ public function testSandboxWithInheritance()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array('block'));
+ $twig->loadTemplate('1_child')->render(array());
+ }
+
+ public function testSandboxGloballySet()
+ {
+ $twig = $this->getEnvironment(false, array(), self::$templates);
+ $this->assertEquals('FOO', $twig->loadTemplate('1_basic')->render(self::$params), 'Sandbox does nothing if it is disabled globally');
+ }
+
+ public function testSandboxUnallowedMethodAccessor()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('1_basic1')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception if an unallowed method is called');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedMethodError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedMethodError');
+ $this->assertEquals('FooObject', $e->getClassName(), 'Exception should be raised on the "FooObject" class');
+ $this->assertEquals('foo', $e->getMethodName(), 'Exception should be raised on the "foo" method');
+ }
+ }
+
+ public function testSandboxUnallowedFilter()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('1_basic2')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception if an unallowed filter is called');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedFilterError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedFilterError');
+ $this->assertEquals('upper', $e->getFilterName(), 'Exception should be raised on the "upper" filter');
+ }
+ }
+
+ public function testSandboxUnallowedTag()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('1_basic3')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception if an unallowed tag is used in the template');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedTagError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedTagError');
+ $this->assertEquals('if', $e->getTagName(), 'Exception should be raised on the "if" tag');
+ }
+ }
+
+ public function testSandboxUnallowedProperty()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('1_basic4')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception if an unallowed property is called in the template');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedPropertyError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedPropertyError');
+ $this->assertEquals('FooObject', $e->getClassName(), 'Exception should be raised on the "FooObject" class');
+ $this->assertEquals('bar', $e->getPropertyName(), 'Exception should be raised on the "bar" property');
+ }
+ }
+
+ public function testSandboxUnallowedToString()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('1_basic5')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception if an unallowed method (__toString()) is called in the template');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedMethodError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedMethodError');
+ $this->assertEquals('FooObject', $e->getClassName(), 'Exception should be raised on the "FooObject" class');
+ $this->assertEquals('__tostring', $e->getMethodName(), 'Exception should be raised on the "__toString" method');
+ }
+ }
+
+ public function testSandboxUnallowedToStringArray()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('1_basic6')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception if an unallowed method (__toString()) is called in the template');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedMethodError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedMethodError');
+ $this->assertEquals('FooObject', $e->getClassName(), 'Exception should be raised on the "FooObject" class');
+ $this->assertEquals('__tostring', $e->getMethodName(), 'Exception should be raised on the "__toString" method');
+ }
+ }
+
+ public function testSandboxUnallowedFunction()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('1_basic7')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception if an unallowed function is called in the template');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedFunctionError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedFunctionError');
+ $this->assertEquals('cycle', $e->getFunctionName(), 'Exception should be raised on the "cycle" function');
+ }
+ }
+
+ public function testSandboxAllowMethodFoo()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array(), array(), array('FooObject' => 'foo'));
+ FooObject::reset();
+ $this->assertEquals('foo', $twig->loadTemplate('1_basic1')->render(self::$params), 'Sandbox allow some methods');
+ $this->assertEquals(1, FooObject::$called['foo'], 'Sandbox only calls method once');
+ }
+
+ public function testSandboxAllowMethodToString()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array(), array(), array('FooObject' => '__toString'));
+ FooObject::reset();
+ $this->assertEquals('foo', $twig->loadTemplate('1_basic5')->render(self::$params), 'Sandbox allow some methods');
+ $this->assertEquals(1, FooObject::$called['__toString'], 'Sandbox only calls method once');
+ }
+
+ public function testSandboxAllowMethodToStringDisabled()
+ {
+ $twig = $this->getEnvironment(false, array(), self::$templates);
+ FooObject::reset();
+ $this->assertEquals('foo', $twig->loadTemplate('1_basic5')->render(self::$params), 'Sandbox allows __toString when sandbox disabled');
+ $this->assertEquals(1, FooObject::$called['__toString'], 'Sandbox only calls method once');
+ }
+
+ public function testSandboxAllowFilter()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array(), array('upper'));
+ $this->assertEquals('FABIEN', $twig->loadTemplate('1_basic2')->render(self::$params), 'Sandbox allow some filters');
+ }
+
+ public function testSandboxAllowTag()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array('if'));
+ $this->assertEquals('foo', $twig->loadTemplate('1_basic3')->render(self::$params), 'Sandbox allow some tags');
+ }
+
+ public function testSandboxAllowProperty()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array(), array(), array(), array('FooObject' => 'bar'));
+ $this->assertEquals('bar', $twig->loadTemplate('1_basic4')->render(self::$params), 'Sandbox allow some properties');
+ }
+
+ public function testSandboxAllowFunction()
+ {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array(), array(), array(), array(), array('cycle'));
+ $this->assertEquals('bar', $twig->loadTemplate('1_basic7')->render(self::$params), 'Sandbox allow some functions');
+ }
+
+ public function testSandboxAllowFunctionsCaseInsensitive()
+ {
+ foreach (array('getfoobar', 'getFoobar', 'getFooBar') as $name) {
+ $twig = $this->getEnvironment(true, array(), self::$templates, array(), array(), array('FooObject' => $name));
+ FooObject::reset();
+ $this->assertEquals('foobarfoobar', $twig->loadTemplate('1_basic8')->render(self::$params), 'Sandbox allow methods in a case-insensitive way');
+ $this->assertEquals(2, FooObject::$called['getFooBar'], 'Sandbox only calls method once');
+
+ $this->assertEquals('foobarfoobar', $twig->loadTemplate('1_basic9')->render(self::$params), 'Sandbox allow methods via shortcut names (ie. without get/set)');
+ }
+ }
+
+ public function testSandboxLocallySetForAnInclude()
+ {
+ self::$templates = array(
+ '2_basic' => '{{ obj.foo }}{% include "2_included" %}{{ obj.foo }}',
+ '2_included' => '{% if obj.foo %}{{ obj.foo|upper }}{% endif %}',
+ );
+
+ $twig = $this->getEnvironment(false, array(), self::$templates);
+ $this->assertEquals('fooFOOfoo', $twig->loadTemplate('2_basic')->render(self::$params), 'Sandbox does nothing if disabled globally and sandboxed not used for the include');
+
+ self::$templates = array(
+ '3_basic' => '{{ obj.foo }}{% sandbox %}{% include "3_included" %}{% endsandbox %}{{ obj.foo }}',
+ '3_included' => '{% if obj.foo %}{{ obj.foo|upper }}{% endif %}',
+ );
+
+ $twig = $this->getEnvironment(true, array(), self::$templates);
+ try {
+ $twig->loadTemplate('3_basic')->render(self::$params);
+ $this->fail('Sandbox throws a SecurityError exception when the included file is sandboxed');
+ } catch (Twig_Sandbox_SecurityError $e) {
+ $this->assertInstanceOf('Twig_Sandbox_SecurityNotAllowedTagError', $e, 'Exception should be an instance of Twig_Sandbox_SecurityNotAllowedTagError');
+ $this->assertEquals('sandbox', $e->getTagName());
+ }
+ }
+
+ public function testMacrosInASandbox()
+ {
+ $twig = $this->getEnvironment(true, array('autoescape' => 'html'), array('index' => <<<EOF
+{%- import _self as macros %}
+
+{%- macro test(text) %}<p>{{ text }}</p>{% endmacro %}
+
+{{- macros.test('username') }}
+EOF
+ ), array('macro', 'import'), array('escape'));
+
+ $this->assertEquals('<p>username</p>', $twig->loadTemplate('index')->render(array()));
+ }
+
+ public function testSandboxDisabledAfterIncludeFunctionError()
+ {
+ $twig = $this->getEnvironment(false, array(), self::$templates);
+
+ $e = null;
+ try {
+ $twig->loadTemplate('1_include')->render(self::$params);
+ } catch (Throwable $e) {
+ } catch (Exception $e) {
+ }
+ if ($e === null) {
+ $this->fail('An exception should be thrown for this test to be valid.');
+ }
+
+ $this->assertFalse($twig->getExtension('Twig_Extension_Sandbox')->isSandboxed(), 'Sandboxed include() function call should not leave Sandbox enabled when an error occurs.');
+ }
+
+ protected function getEnvironment($sandboxed, $options, $templates, $tags = array(), $filters = array(), $methods = array(), $properties = array(), $functions = array())
+ {
+ $loader = new Twig_Loader_Array($templates);
+ $twig = new Twig_Environment($loader, array_merge(array('debug' => true, 'cache' => false, 'autoescape' => false), $options));
+ $policy = new Twig_Sandbox_SecurityPolicy($tags, $filters, $methods, $properties, $functions);
+ $twig->addExtension(new Twig_Extension_Sandbox($policy, $sandboxed));
+
+ return $twig;
+ }
+}
+
+class FooObject
+{
+ public static $called = array('__toString' => 0, 'foo' => 0, 'getFooBar' => 0);
+
+ public $bar = 'bar';
+
+ public static function reset()
+ {
+ self::$called = array('__toString' => 0, 'foo' => 0, 'getFooBar' => 0);
+ }
+
+ public function __toString()
+ {
+ ++self::$called['__toString'];
+
+ return 'foo';
+ }
+
+ public function foo()
+ {
+ ++self::$called['foo'];
+
+ return 'foo';
+ }
+
+ public function getFooBar()
+ {
+ ++self::$called['getFooBar'];
+
+ return 'foobar';
+ }
+}
projects / yaffs-website / blobdiff