chromium/src/third_party/blink/public/web/web_security_policy.h

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#ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_SECURITY_POLICY_H_
#define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_SECURITY_POLICY_H_

#include "services/network/public/mojom/cors_origin_pattern.mojom-shared.h"
#include "services/network/public/mojom/referrer_policy.mojom-shared.h"
#include "third_party/blink/public/platform/web_common.h"

namespace blink {

class WebString;
class WebURL;

class WebSecurityPolicy {
 public:
  // Registers a URL scheme to be treated as display-isolated. This means
  // that pages cannot display these URLs unless they are from the same
  // scheme. For example, pages in other origin cannot create iframes or
  // hyperlinks to URLs with the scheme.
  BLINK_EXPORT static void RegisterURLSchemeAsDisplayIsolated(const WebString&);

  // Registers a URL scheme that can register a ServiceWorker.
  BLINK_EXPORT static void RegisterURLSchemeAsAllowingServiceWorkers(
      const WebString&);

  // Registers an URL scheme as allowing the not-yet-standardized 'wasm-eval'
  // CSP source directive.
  BLINK_EXPORT static void RegisterURLSchemeAsAllowingWasmEvalCSP(
      const WebString&);

  // Registers an HTTP-like URL scheme that supports the Fetch API.
  BLINK_EXPORT static void RegisterURLSchemeAsSupportingFetchAPI(
      const WebString&);

  // Registers a URL scheme which will always be considered the first-party when
  // loaded in a top-level context.
  BLINK_EXPORT static void RegisterURLSchemeAsFirstPartyWhenTopLevel(
      const WebString&);

  // Registers a URL scheme which will be considered first-party when loaded in
  // a top-level context for child contexts which were loaded over secure
  // schemes.
  BLINK_EXPORT static void
  RegisterURLSchemeAsFirstPartyWhenTopLevelEmbeddingSecure(const WebString&);

  // Support for managing allow/block access lists to origins beyond the
  // same-origin policy. The block list takes priority over the allow list.
  // When an origin matches an entry on both the allow list and block list
  // the entry with the higher priority defines whether access is allowed.
  // In the case where both an allowlist and blocklist rule of the same
  // priority match a request the blocklist rule takes priority.
  // Callers should use
  // network::mojom::CorsOriginAccessMatchPriority::kDefaultPriority as the
  // default priority unless overriding existing entries is explicitly needed.
  BLINK_EXPORT static void AddOriginAccessAllowListEntry(
      const WebURL& source_origin,
      const WebString& destination_protocol,
      const WebString& destination_host,
      const uint16_t destination_port,
      network::mojom::CorsDomainMatchMode domain_match_mode,
      network::mojom::CorsPortMatchMode port_match_mode,
      const network::mojom::CorsOriginAccessMatchPriority priority);
  BLINK_EXPORT static void AddOriginAccessBlockListEntry(
      const WebURL& source_origin,
      const WebString& destination_protocol,
      const WebString& destination_host,
      const uint16_t destination_port,
      network::mojom::CorsDomainMatchMode domain_match_mode,
      network::mojom::CorsPortMatchMode port_match_mode,
      const network::mojom::CorsOriginAccessMatchPriority priority);
  BLINK_EXPORT static void ClearOriginAccessListForOrigin(
      const WebURL& source_origin);
  BLINK_EXPORT static void ClearOriginAccessList();

  // Add a scheme that is always considered a secure context. The caller is
  // responsible for canonicalizing the input.
  BLINK_EXPORT static void AddSchemeToSecureContextSafelist(const WebString&);

  // Returns the referrer modified according to the referrer policy for a
  // navigation to a given URL. If the referrer returned is empty, the
  // referrer header should be omitted.
  BLINK_EXPORT static WebString GenerateReferrerHeader(
      network::mojom::ReferrerPolicy,
      const WebURL&,
      const WebString& referrer);

  // Registers an URL scheme to not allow manipulation of the loaded page
  // by bookmarklets or javascript: URLs typed in the omnibox.
  BLINK_EXPORT static void RegisterURLSchemeAsNotAllowingJavascriptURLs(
      const WebString&);

  // Registers an URL scheme as allowed in referrers.
  BLINK_EXPORT static void RegisterURLSchemeAsAllowedForReferrer(
      const WebString&);

  // Registers an URL scheme as an error page.
  BLINK_EXPORT static void RegisterURLSchemeAsError(const WebString&);

 private:
  WebSecurityPolicy() = delete;
};

}  // namespace blink

#endif