private DefaultResourceTransformerChain initTransformerChain(ResourceResolverChain resolverChain, ArrayList<ResourceTransformer> transformers) { DefaultResourceTransformerChain chain = new DefaultResourceTransformerChain(resolverChain, null, null); ListIterator<? extends ResourceTransformer> it = transformers.listIterator(transformers.size()); while (it.hasPrevious()) { chain = new DefaultResourceTransformerChain(resolverChain, it.previous(), chain); } return chain; }
private DefaultResourceTransformerChain initTransformerChain(ResourceResolverChain resolverChain, ArrayList<ResourceTransformer> transformers) { DefaultResourceTransformerChain chain = new DefaultResourceTransformerChain(resolverChain, null, null); ListIterator<? extends ResourceTransformer> it = transformers.listIterator(transformers.size()); while (it.hasPrevious()) { chain = new DefaultResourceTransformerChain(resolverChain, it.previous(), chain); } return chain; }
@Override public void afterPropertiesSet() throws Exception { resolveResourceLocations(); if (logger.isWarnEnabled() && CollectionUtils.isEmpty(this.locations)) { logger.warn("Locations list is empty. No resources will be served unless a " + "custom ResourceResolver is configured as an alternative to PathResourceResolver."); } if (this.resourceResolvers.isEmpty()) { this.resourceResolvers.add(new PathResourceResolver()); } initAllowedLocations(); // Initialize immutable resolver and transformer chains this.resolverChain = new DefaultResourceResolverChain(this.resourceResolvers); this.transformerChain = new DefaultResourceTransformerChain(this.resolverChain, this.resourceTransformers); if (this.resourceHttpMessageConverter == null) { this.resourceHttpMessageConverter = new ResourceHttpMessageConverter(); } if (this.resourceRegionHttpMessageConverter == null) { this.resourceRegionHttpMessageConverter = new ResourceRegionHttpMessageConverter(); } this.contentNegotiationStrategy = initContentNegotiationStrategy(); }
@Override public void afterPropertiesSet() throws Exception { resolveResourceLocations(); if (logger.isWarnEnabled() && CollectionUtils.isEmpty(this.locations)) { logger.warn("Locations list is empty. No resources will be served unless a " + "custom ResourceResolver is configured as an alternative to PathResourceResolver."); } if (this.resourceResolvers.isEmpty()) { this.resourceResolvers.add(new PathResourceResolver()); } initAllowedLocations(); // Initialize immutable resolver and transformer chains this.resolverChain = new DefaultResourceResolverChain(this.resourceResolvers); this.transformerChain = new DefaultResourceTransformerChain(this.resolverChain, this.resourceTransformers); if (this.resourceHttpMessageConverter == null) { this.resourceHttpMessageConverter = new ResourceHttpMessageConverter(); } if (this.resourceRegionHttpMessageConverter == null) { this.resourceRegionHttpMessageConverter = new ResourceRegionHttpMessageConverter(); } this.contentNegotiationStrategy = initContentNegotiationStrategy(); }
@Before public void setup() { VersionResourceResolver versionResolver = new VersionResourceResolver(); versionResolver.setStrategyMap(Collections.singletonMap("/**", new ContentVersionStrategy())); PathResourceResolver pathResolver = new PathResourceResolver(); pathResolver.setAllowedLocations(new ClassPathResource("test/", getClass())); List<ResourceResolver> resolvers = new ArrayList<>(); resolvers.add(versionResolver); resolvers.add(pathResolver); ResourceResolverChain resolverChain = new DefaultResourceResolverChain(resolvers); this.chain = new DefaultResourceTransformerChain(resolverChain, Collections.emptyList()); this.transformer = new AppCacheManifestTransformer(); this.transformer.setResourceUrlProvider(createUrlProvider(resolvers)); }
@Test public void transformExtLinksNotAllowed() throws Exception { this.request = new MockHttpServletRequest("GET", "/static/external.css"); List<ResourceTransformer> transformers = Collections.singletonList(new CssLinkResourceTransformer()); ResourceResolverChain mockChain = Mockito.mock(DefaultResourceResolverChain.class); ResourceTransformerChain chain = new DefaultResourceTransformerChain(mockChain, transformers); Resource resource = getResource("external.css"); String expected = "@import url(\"http://example.org/fonts/css\");\n" + "body { background: url(\"file:///home/spring/image.png\") }\n" + "figure { background: url(\"//example.org/style.css\")}"; TransformedResource transformedResource = (TransformedResource) chain.transform(this.request, resource); String result = new String(transformedResource.getByteArray(), StandardCharsets.UTF_8); result = StringUtils.deleteAny(result, "\r"); assertEquals(expected, result); List<Resource> locations = Collections.singletonList(resource); Mockito.verify(mockChain, Mockito.never()).resolveUrlPath("http://example.org/fonts/css", locations); Mockito.verify(mockChain, Mockito.never()).resolveUrlPath("file:///home/spring/image.png", locations); Mockito.verify(mockChain, Mockito.never()).resolveUrlPath("//example.org/style.css", locations); }
@Before public void setUp() { VersionResourceResolver versionResolver = new VersionResourceResolver(); versionResolver.setStrategyMap(Collections.singletonMap("/**", new ContentVersionStrategy())); PathResourceResolver pathResolver = new PathResourceResolver(); pathResolver.setAllowedLocations(new ClassPathResource("test/", getClass())); List<ResourceResolver> resolvers = new ArrayList<>(); resolvers.add(versionResolver); resolvers.add(pathResolver); this.transformerChain = new DefaultResourceTransformerChain(new DefaultResourceResolverChain(resolvers), null); this.transformer = new TestResourceTransformerSupport(); this.transformer.setResourceUrlProvider(createUrlProvider(resolvers)); }
@Before public void setUp() { VersionResourceResolver versionResolver = new VersionResourceResolver(); versionResolver.setStrategyMap(Collections.singletonMap("/**", new ContentVersionStrategy())); PathResourceResolver pathResolver = new PathResourceResolver(); pathResolver.setAllowedLocations(new ClassPathResource("test/", getClass())); List<ResourceResolver> resolvers = new ArrayList<>(); resolvers.add(versionResolver); resolvers.add(new PathResourceResolver()); ResourceUrlProvider resourceUrlProvider = createUrlProvider(resolvers); CssLinkResourceTransformer cssLinkTransformer = new CssLinkResourceTransformer(); cssLinkTransformer.setResourceUrlProvider(resourceUrlProvider); this.transformerChain = new DefaultResourceTransformerChain( new DefaultResourceResolverChain(resolvers), Collections.singletonList(cssLinkTransformer)); }
protected Resource getResource(HttpServletRequest request) throws IOException { String path = (String) request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE); if (path == null) { throw new IllegalStateException("Required request attribute '" + HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE + "' is not set"); } path = processPath(path); if (!StringUtils.hasText(path) || isInvalidPath(path)) { if (logger.isTraceEnabled()) { logger.trace("Ignoring invalid resource path [" + path + "]"); } return null; } if (isInvalidEncodedPath(path)) { if (logger.isTraceEnabled()) { logger.trace("Ignoring invalid resource path with escape sequences [" + path + "]"); } return null; } ResourceResolverChain resolveChain = new DefaultResourceResolverChain(getResourceResolvers()); Resource resource = resolveChain.resolveResource(request, path, getLocations()); if (resource == null || getResourceTransformers().isEmpty()) { return resource; } ResourceTransformerChain transformChain = new DefaultResourceTransformerChain(resolveChain, getResourceTransformers()); resource = transformChain.transform(request, resource); return resource; }