Implement ContentSecurityPolicy on the browser-side.

content/common/content_security_policy/csp_source_list_unittest.cc

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/common/content_security_policy/csp_source_list.h"
+#include "content/common/content_security_policy/csp_context.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+namespace {
+
+class CSPContextTest : public CSPContext {
+ public:
+  void AddSchemeToBypassCSP(const std::string& scheme) {
+    scheme_to_bypass_.push_back(scheme);
+  }
+
+  bool SchemeShouldBypassCSP(const base::StringPiece& scheme) override {
+    return std::find(scheme_to_bypass_.begin(), scheme_to_bypass_.end(),
+                     scheme) != scheme_to_bypass_.end();
+  }
+
+ private:
+  std::vector<std::string> scheme_to_bypass_;
+};
+
+// Allow() is an abbreviation of CSPSourceList::Allow(). Useful for writting
+// test expectations on one line.
+bool Allow(const CSPSourceList& source_list,
+           const GURL& url,
+           CSPContext* context,
+           bool is_redirect = false) {
+  return CSPSourceList::Allow(source_list, url, context, is_redirect);
+}
+
+}  // namespace
+
+TEST(CSPSourceListTest, MultipleSource) {
+  CSPContextTest context;
+  context.SetSelf(url::Origin(GURL("http://example.com")));
+  CSPSourceList source_list(
+      false,  // allow_self
+      false,  // allow_star:
+      {CSPSource("", "a.com", false, url::PORT_UNSPECIFIED, false, ""),
+       CSPSource("", "b.com", false, url::PORT_UNSPECIFIED, false, "")});
+  EXPECT_TRUE(Allow(source_list, GURL("http://a.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("http://b.com"), &context));
+  EXPECT_FALSE(Allow(source_list, GURL("http://c.com"), &context));
+}
+
+TEST(CSPSourceList, AllowStar) {
+  CSPContextTest context;
+  context.SetSelf(url::Origin(GURL("http://example.com")));
+  CSPSourceList source_list(false,                      // allow_self
+                            true,                       // allow_star:
+                            std::vector<CSPSource>());  // source_list
+  EXPECT_TRUE(Allow(source_list, GURL("http://not-example.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("https://not-example.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("http-so://not-example.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("https-so://not-example.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("ws://not-example.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("wss://not-example.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("ftp://not-example.com"), &context));
+
+  EXPECT_FALSE(Allow(source_list, GURL("file://not-example.com"), &context));
+  EXPECT_FALSE(Allow(source_list, GURL("applewebdata://a.test"), &context));
+
+  // With a protocol of 'file', '*' allow 'file:'
+  context.SetSelf(url::Origin(GURL("file://example.com")));
+  EXPECT_TRUE(Allow(source_list, GURL("file://not-example.com"), &context));
+  EXPECT_FALSE(Allow(source_list, GURL("applewebdata://a.test"), &context));
+}
+
+TEST(CSPSourceList, AllowSelf) {
+  CSPContextTest context;
+  context.SetSelf(url::Origin(GURL("http://example.com")));
+  CSPSourceList source_list(true,                       // allow_self
+                            false,                      // allow_star:
+                            std::vector<CSPSource>());  // source_list
+  EXPECT_TRUE(Allow(source_list, GURL("http://example.com"), &context));
+  EXPECT_FALSE(Allow(source_list, GURL("http://not-example.com"), &context));
+  EXPECT_TRUE(Allow(source_list, GURL("https://example.com"), &context));
+  EXPECT_FALSE(Allow(source_list, GURL("ws://example.com"), &context));
+}
+
+TEST(CSPSourceList, AllowSelfWithFilesystem) {
+  CSPContextTest context;
+  context.SetSelf(url::Origin(GURL("https://a.test")));
+  CSPSourceList source_list(true,                       // allow_self
+                            false,                      // allow_star:
+                            std::vector<CSPSource>());  // source_list
+
+  GURL filesystem_url("filesystem:https://a.test/file.txt");
+
+  EXPECT_TRUE(Allow(source_list, GURL("https://a.test/"), &context));
+  EXPECT_FALSE(Allow(source_list, filesystem_url, &context));
+
+  // Register 'https' as bypassing CSP, which should trigger the inner URL
+  // behavior.
+  context.AddSchemeToBypassCSP("https");
+
+  EXPECT_TRUE(Allow(source_list, GURL("https://a.test/"), &context));
+  EXPECT_TRUE(Allow(source_list, filesystem_url, &context));
+}
+
+TEST(CSPSourceList, BlobDisallowedWhenBypassingSelfScheme) {
+  CSPContextTest context;
+  context.SetSelf(url::Origin(GURL("https://a.test")));
+  CSPSource blob(
+      CSPSource("blob", "", false, url::PORT_UNSPECIFIED, false, ""));
+  CSPSourceList source_list(true,     // allow_self
+                            false,    // allow_star:
+                            {blob});  // source_list
+
+  GURL blob_url_self("blob:https://a.test/1be95204-93d6-4GUID");
+  GURL blob_url_not_self("blob:https://b.test/1be95204-93d6-4GUID");
+
+  EXPECT_TRUE(Allow(source_list, blob_url_self, &context));
+  EXPECT_TRUE(Allow(source_list, blob_url_not_self, &context));
+
+  // Register 'https' as bypassing CSP, which should trigger the inner URL
+  // behavior.
+  context.AddSchemeToBypassCSP("https");
+
+  EXPECT_TRUE(Allow(source_list, blob_url_self, &context));
+  // TODO(arthursonzogni, mkwst): This should be true
+  // see http://crbug.com/692046
+  EXPECT_FALSE(Allow(source_list, blob_url_not_self, &context));
+}
+
+TEST(CSPSourceList, FilesystemDisallowedWhenBypassingSelfScheme) {
+  CSPContextTest context;
+  context.SetSelf(url::Origin(GURL("https://a.test")));
+  CSPSource filesystem(
+      CSPSource("filesystem", "", false, url::PORT_UNSPECIFIED, false, ""));
+  CSPSourceList source_list(true,           // allow_self
+                            false,          // allow_star:
+                            {filesystem});  // source_list
+
+  GURL filesystem_url_self("filesystem:https://a.test/file.txt");
+  GURL filesystem_url_not_self("filesystem:https://b.test/file.txt");
+
+  EXPECT_TRUE(Allow(source_list, filesystem_url_self, &context));
+  EXPECT_TRUE(Allow(source_list, filesystem_url_not_self, &context));
+
+  // Register 'https' as bypassing CSP, which should trigger the inner URL
+  // behavior.
+  context.AddSchemeToBypassCSP("https");
+
+  EXPECT_TRUE(Allow(source_list, filesystem_url_self, &context));
+  // TODO(arthursonzogni, mkwst): This should be true
+  // see http://crbug.com/692046
+  EXPECT_FALSE(Allow(source_list, filesystem_url_not_self, &context));
+}
+
+TEST(CSPSourceList, AllowSelfWithUnspecifiedPort) {
+  CSPContext context;
+  context.SetSelf(url::Origin(GURL("chrome://print")));
+  CSPSourceList source_list(true,                       // allow_self
+                            false,                      // allow_star:
+                            std::vector<CSPSource>());  // source_list
+
+  EXPECT_TRUE(Allow(
+      source_list,
+      GURL("chrome://print/pdf_preview.html?chrome://print/1/0/print.pdf"),
+      &context));
+}
+
+TEST(CSPSourceList, AllowNone) {
+  CSPContextTest context;
+  context.SetSelf(url::Origin(GURL("http://example.com")));
+  CSPSourceList source_list(false,                      // allow_self
+                            false,                      // allow_star:
+                            std::vector<CSPSource>());  // source_list
+  EXPECT_FALSE(Allow(source_list, GURL("http://example.com"), &context));
+  EXPECT_FALSE(Allow(source_list, GURL("https://example.test/"), &context));
+}
+
+}  // namespace content