Add reactive support for Content-Security-Policy security header

2018-08-20 07:36:16 +02:00
parent 29cfc3dd1d
commit 10621a0f2c
4 changed files with 253 additions and 1 deletions
--- a/web/src/test/java/org/springframework/security/web/server/header/ContentSecurityPolicyServerHttpHeadersWriterTests.java
+++ b/web/src/test/java/org/springframework/security/web/server/header/ContentSecurityPolicyServerHttpHeadersWriterTests.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2002-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.web.server.header;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
+import org.springframework.mock.web.server.MockServerWebExchange;
+import org.springframework.web.server.ServerWebExchange;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link ContentSecurityPolicyServerHttpHeadersWriter}.
+ *
+ * @author Vedran Pavic
+ */
+public class ContentSecurityPolicyServerHttpHeadersWriterTests {
+
+	private static final String DEFAULT_POLICY_DIRECTIVES = "default-src 'self'";
+
+	private ServerWebExchange exchange;
+
+	private ContentSecurityPolicyServerHttpHeadersWriter writer;
+
+	@Before
+	public void setup() {
+		this.exchange = MockServerWebExchange.from(MockServerHttpRequest.get("/"));
+		this.writer = new ContentSecurityPolicyServerHttpHeadersWriter();
+	}
+
+	@Test
+	public void writeHeadersWhenUsingDefaultsThenDoesNotWrite() {
+		this.writer.writeHttpHeaders(this.exchange);
+
+		HttpHeaders headers = this.exchange.getResponse().getHeaders();
+		assertThat(headers).isEmpty();
+	}
+
+	@Test
+	public void writeHeadersWhenUsingPolicyThenWritesPolicy() {
+		this.writer.setPolicyDirectives(DEFAULT_POLICY_DIRECTIVES);
+		this.writer.writeHttpHeaders(this.exchange);
+
+		HttpHeaders headers = this.exchange.getResponse().getHeaders();
+		assertThat(headers).hasSize(1);
+		assertThat(headers.get(
+				ContentSecurityPolicyServerHttpHeadersWriter.CONTENT_SECURITY_POLICY))
+						.containsOnly(DEFAULT_POLICY_DIRECTIVES);
+	}
+
+	@Test
+	public void writeHeadersWhenReportPolicyThenWritesReportPolicy() {
+		this.writer.setPolicyDirectives(DEFAULT_POLICY_DIRECTIVES);
+		this.writer.setReportOnly(true);
+		this.writer.writeHttpHeaders(this.exchange);
+
+		HttpHeaders headers = this.exchange.getResponse().getHeaders();
+		assertThat(headers).hasSize(1);
+		assertThat(headers.get(
+				ContentSecurityPolicyServerHttpHeadersWriter.CONTENT_SECURITY_POLICY_REPORT_ONLY))
+						.containsOnly(DEFAULT_POLICY_DIRECTIVES);
+	}
+
+	@Test
+	public void writeHeadersWhenOnlyReportOnlySetThenDoesNotWrite() {
+		this.writer.setReportOnly(true);
+		this.writer.writeHttpHeaders(this.exchange);
+
+		HttpHeaders headers = this.exchange.getResponse().getHeaders();
+		assertThat(headers).isEmpty();
+	}
+
+	@Test
+	public void writeHeadersWhenAlreadyWrittenThenWritesHeader() {
+		String headerValue = "default-src https: 'self'";
+		this.exchange.getResponse().getHeaders().set(
+				ContentSecurityPolicyServerHttpHeadersWriter.CONTENT_SECURITY_POLICY,
+				headerValue);
+		this.writer.writeHttpHeaders(this.exchange);
+
+		HttpHeaders headers = this.exchange.getResponse().getHeaders();
+		assertThat(headers).hasSize(1);
+		assertThat(headers.get(
+				ContentSecurityPolicyServerHttpHeadersWriter.CONTENT_SECURITY_POLICY))
+						.containsOnly(headerValue);
+	}
+
+}