PlzNavigate: Enforce 'frame-src' CSP on the browser.

content/common/content_security_policy/csp_context.h

 // 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.
 
 #ifndef CONTENT_COMMON_CONTENT_SECURITY_POLICY_CSP_CONTEXT_H_
 #define CONTENT_COMMON_CONTENT_SECURITY_POLICY_CSP_CONTEXT_H_
 
 #include <vector>
 
 #include "content/common/content_export.h"
 #include "content/common/content_security_policy/content_security_policy.h"
 #include "content/common/content_security_policy_header.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 namespace content {
 
+struct CSPViolationParams;
+
 // A CSPContext represents the system on which the Content-Security-Policy are
 // enforced. One must define via its virtual methods how to report violations,
 // how to log messages on the console and what is the set of scheme that bypass
-// the CSP.
-// Its main implementation is in content/browser/frame_host/csp_context_impl.h
+// the CSP. Its main implementation is in
+// content/browser/frame_host/render_frame_host_impl.h
 class CONTENT_EXPORT CSPContext {
  public:
   CSPContext();
   virtual ~CSPContext();
 
-  bool Allow(const std::vector<ContentSecurityPolicy>& policies,
-             CSPDirective::Name directive_name,
-             const GURL& url,
-             bool is_redirect = false);
+  bool IsAllowedByCsp(CSPDirective::Name directive_name,
+                      const GURL& url,
+                      bool is_redirect = false);
 
   void SetSelf(const url::Origin origin);
   bool AllowSelf(const GURL& url);
   bool ProtocolMatchesSelf(const GURL& url);
 
   virtual void LogToConsole(const std::string& message);
-  virtual void ReportViolation(
-      const std::string& directive_text,
-      const std::string& effective_directive,
-      const std::string& message,
-      const GURL& blocked_url,
-      const std::vector<std::string>& report_end_points,
-      const std::string& header,
-      blink::WebContentSecurityPolicyType disposition);
+  virtual void ReportContentSecurityPolicyViolation(
+      const CSPViolationParams& violation_params);
 
-  bool SelfSchemeShouldBypassCSP();
+  bool SelfSchemeShouldBypassCsp();
+
+  void ResetContentSecurityPolicies() { policies_.clear(); }
+  void AddContentSecurityPolicy(const ContentSecurityPolicy& policy) {
+    policies_.push_back(policy);
+  }
 
  private:
   virtual bool SchemeShouldBypassCSP(const base::StringPiece& scheme);
 
   bool has_self_ = false;
   std::string self_scheme_;
   CSPSource self_source_;
 
+  std::vector<ContentSecurityPolicy> policies_;
+
   DISALLOW_COPY_AND_ASSIGN(CSPContext);
 };
 
+// Used in CSPContext::ReportViolation()
+struct CONTENT_EXPORT CSPViolationParams {
+  CSPViolationParams();
+  CSPViolationParams(const std::string& directive,
+                     const std::string& effective_directive,
+                     const std::string& console_message,
+                     const GURL& blocked_url,
+                     const std::vector<std::string>& report_endpoints,
+                     const std::string& header,
+                     const blink::WebContentSecurityPolicyType& disposition,
+                     bool after_redirect);
+  CSPViolationParams(const CSPViolationParams& other);
+  ~CSPViolationParams();
+
+  // The name of the directive that violates the policy. |directive| might be a
+  // directive that serves as a fallback to the |effective_directive|.
+  std::string directive;
+
+  // The name the effective directive that was checked against.
+  std::string effective_directive;
+
+  // The console message to be displayed to the user.
+  std::string console_message;
+
+  // The URL that was blocked by the policy.
+  GURL blocked_url;
+
+  // The set of URI where a JSON-formatted report of the violation should be
+  // sent.
+  std::vector<std::string> report_endpoints;
+
+  // The raw content security policy header that was violated.
+  std::string header;
+
+  // Each policy has an associated disposition, which is either "enforce" or
+  // "report".
+  blink::WebContentSecurityPolicyType disposition;
+
+  // Whether or not the violation happens after a redirect.
+  bool after_redirect;
+};
+
 }  // namespace content
 #endif  // CONTENT_COMMON_CONTENT_SECURITY_POLICY_CSP_CONTEXT_H_