| package freemarker.core; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import junit.framework.AssertionFailedError; |
| import junit.framework.TestCase; |
| import freemarker.template.Configuration; |
| import freemarker.template.Template; |
| import freemarker.template.TemplateException; |
| import freemarker.template.utility.ObjectConstructor; |
| |
| public class OptInTemplateClassResolverTest extends TestCase { |
| |
| public OptInTemplateClassResolverTest(String name) { |
| super(name); |
| } |
| |
| private static final Set ALLOWED_CLASSES = new HashSet(); |
| static { |
| ALLOWED_CLASSES.add("java.lang.String"); |
| ALLOWED_CLASSES.add("java.lang.Integer"); |
| } |
| |
| private static final List TRUSTED_TEMPLATES = new ArrayList(); |
| static { |
| TRUSTED_TEMPLATES.add("lib/*"); |
| TRUSTED_TEMPLATES.add("/include/*"); |
| TRUSTED_TEMPLATES.add("trusted.ftl"); |
| } |
| |
| private OptInTemplateClassResolver resolver = new OptInTemplateClassResolver( |
| ALLOWED_CLASSES, TRUSTED_TEMPLATES); |
| |
| private Configuration dummyCfg = new Configuration(); |
| private Template dummyTemp = Template.getPlainTextTemplate("foo.ftl", "", dummyCfg); |
| |
| public void testOptIn() throws TemplateException { |
| assertEquals(String.class, resolver.resolve("java.lang.String", null, dummyTemp)); |
| assertEquals(Integer.class, resolver.resolve("java.lang.Integer", null, dummyTemp)); |
| try { |
| resolver.resolve("java.lang.Long", null, dummyTemp); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| } |
| |
| public void testTrusted() throws TemplateException { |
| assertEquals(Long.class, resolver.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("lib/foo.ftl", "", dummyCfg))); |
| assertEquals(String.class, resolver.resolve("java.lang.String", null, |
| Template.getPlainTextTemplate("lib/foo.ftl", "", dummyCfg))); |
| assertEquals(Long.class, resolver.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("/lib/foo.ftl", "", dummyCfg))); |
| assertEquals(Long.class, resolver.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("include/foo.ftl", "", dummyCfg))); |
| assertEquals(Long.class, resolver.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("trusted.ftl", "", dummyCfg))); |
| assertEquals(Long.class, resolver.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("/trusted.ftl", "", dummyCfg))); |
| try { |
| assertEquals(Long.class, resolver.resolve(ObjectConstructor.class.getName(), null, |
| Template.getPlainTextTemplate("trusted.ftl", "", dummyCfg))); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| } |
| |
| public void testCraftedTrusted() throws TemplateException { |
| testTrusted_checkFails("lib/../foo.ftl"); |
| testTrusted_checkFails("lib\\..\\foo.ftl"); |
| testTrusted_checkFails("lib\\../foo.ftl"); |
| testTrusted_checkFails("lib/..\\foo.ftl"); |
| testTrusted_checkFails("lib/.."); |
| testTrusted_checkFails("lib%2f%2E%2e%5cfoo.ftl"); |
| testTrusted_checkFails("/lib%5C%.%2e%2Efoo.ftl"); |
| |
| try { |
| testTrusted_checkFails("lib/./foo.ftl"); |
| fail(); |
| } catch (AssertionFailedError e) { |
| // good |
| } |
| try { |
| testTrusted_checkFails("lib/foo..ftl"); |
| fail(); |
| } catch (AssertionFailedError e) { |
| // good |
| } |
| try { |
| testTrusted_checkFails("lib/%2e/foo.ftl"); |
| fail(); |
| } catch (AssertionFailedError e) { |
| // good |
| } |
| } |
| |
| public void testTrusted_checkFails(String templateName) { |
| try { |
| resolver.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate(templateName, "", dummyCfg)); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| } |
| |
| public void testSettingParser() throws TemplateException { |
| Configuration cfg = new Configuration(); |
| |
| cfg.setSetting("new_builtin_class_resolver", |
| "trusted_templates: foo.ftl, \"lib/*\""); |
| TemplateClassResolver res = cfg.getNewBuiltinClassResolver(); |
| assertEquals(String.class, res.resolve("java.lang.String", null, |
| Template.getPlainTextTemplate("foo.ftl", "", cfg))); |
| assertEquals(String.class, res.resolve("java.lang.String", null, |
| Template.getPlainTextTemplate("lib/bar.ftl", "", cfg))); |
| try { |
| res.resolve("java.lang.String", null, |
| Template.getPlainTextTemplate("bar.ftl", "", cfg)); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| |
| cfg.setSetting("new_builtin_class_resolver", |
| "allowed_classes: java.lang.String, java.lang.Integer"); |
| res = cfg.getNewBuiltinClassResolver(); |
| assertEquals(String.class, res.resolve("java.lang.String", null, |
| Template.getPlainTextTemplate("foo.ftl", "", cfg))); |
| assertEquals(Integer.class, res.resolve("java.lang.Integer", null, |
| Template.getPlainTextTemplate("foo.ftl", "", cfg))); |
| try { |
| res.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("foo.ftl", "", cfg)); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| |
| cfg.setSetting("new_builtin_class_resolver", |
| "trusted_templates: foo.ftl, 'lib/*', " + |
| "allowed_classes: 'java.lang.String', java.lang.Integer"); |
| res = cfg.getNewBuiltinClassResolver(); |
| assertEquals(String.class, res.resolve("java.lang.String", null, |
| Template.getPlainTextTemplate("x.ftl", "", cfg))); |
| assertEquals(Integer.class, res.resolve("java.lang.Integer", null, |
| Template.getPlainTextTemplate("x.ftl", "", cfg))); |
| try { |
| res.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("x.ftl", "", cfg)); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| assertEquals(Long.class, res.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("foo.ftl", "", cfg))); |
| assertEquals(Long.class, res.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("lib/bar.ftl", "", cfg))); |
| try { |
| res.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("x.ftl", "", cfg)); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| |
| try { |
| cfg.setSetting("new_builtin_class_resolver", "wrong: foo"); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| |
| cfg.setSetting("new_builtin_class_resolver", |
| "\"allowed_classes\" : java.lang.String , " + |
| "'trusted_templates' :\"lib:*\""); |
| res = cfg.getNewBuiltinClassResolver(); |
| assertEquals(String.class, res.resolve("java.lang.String", null, |
| Template.getPlainTextTemplate("x.ftl", "", cfg))); |
| try { |
| res.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("x.ftl", "", cfg)); |
| fail(); |
| } catch (TemplateException e) { |
| // good |
| } |
| assertEquals(Long.class, res.resolve("java.lang.Long", null, |
| Template.getPlainTextTemplate("lib:bar.ftl", "", cfg))); |
| } |
| |
| } |