services/network/public/mojom/network_service.mojom

// 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.

module network.mojom;

import "mojo/public/mojom/base/file.mojom";
import "mojo/public/mojom/base/file_path.mojom";
import "mojo/public/mojom/base/memory_pressure_level.mojom";
import "mojo/public/mojom/base/read_only_buffer.mojom";
import "mojo/public/mojom/base/string16.mojom";
import "mojo/public/mojom/base/time.mojom";
import "mojo/public/mojom/base/unguessable_token.mojom";
import "mojo/public/mojom/base/values.mojom";
import "services/network/public/mojom/cookie_manager.mojom";
import "services/network/public/mojom/host_resolver.mojom";
import "services/network/public/mojom/http_raw_headers.mojom";
import "services/network/public/mojom/mutable_network_traffic_annotation_tag.mojom";
import "services/network/public/mojom/net_log.mojom";
import "services/network/public/mojom/network_change_manager.mojom";
import "services/network/public/mojom/network_context.mojom";
import "services/network/public/mojom/network_interface.mojom";
import "services/network/public/mojom/network_param.mojom";
import "services/network/public/mojom/network_quality_estimator_manager.mojom";
import "services/network/public/mojom/network_service_test.mojom";
import "services/network/public/mojom/trust_tokens.mojom";
import "services/network/public/mojom/url_loader.mojom";
import "services/network/public/mojom/url_loader_factory.mojom";
import "services/network/public/mojom/url_response_head.mojom";
import "services/network/public/mojom/client_security_state.mojom";
import "url/mojom/origin.mojom";
import "url/mojom/url.mojom";

[EnableIf=is_android]
import "mojo/public/mojom/base/application_state.mojom";

struct LoadInfo {
  int32 process_id;
  int32 routing_id;
  string host;
  uint32 load_state;  // net::LoadState enum
  mojo_base.mojom.String16 state_param;
  uint64 upload_position;
  uint64 upload_size;
};

// Implemented by the browser process. The network service sends messages to
// the browser process over this interface.
interface NetworkServiceClient {
  // Called periodically to update the client about progress of the current
  // loads. To avoid flooding the client, it has to ack the update before it can
  // receive the next update.
  OnLoadingStateUpdate(array<LoadInfo> infos) => ();

  // Called on every request completion to update the network traffic annotation
  // ID, and the total bytes received and sent.
  // |network_traffic_annotation_id_hash| represents the hash of unique tag that
  // identifies the annotation of the request.
  OnDataUseUpdate(int32 network_traffic_annotation_id_hash, int64 recv_bytes,
                  int64 sent_bytes);

  // Called to send raw header information and information about excluded
  // cookies. Only called when |devtool_request_id| is available to the
  // URLLoader.
  OnRawRequest(
    int32 process_id,
    int32 routing_id,
    string devtool_request_id,
    array<CookieWithAccessResult> cookies_with_access_result,
    array<HttpRawHeaderPair> headers,
    ClientSecurityState? client_security_state);

  // Called to send information about the cookies blocked from storage from a
  // received response. Only called when |devtool_request_id| is available to
  // the URLLoader.
  OnRawResponse(
    int32 process_id,
    int32 routing_id,
    string devtool_request_id,
    array<CookieAndLineWithAccessResult> cookies_with_access_result,
    array<HttpRawHeaderPair> headers,
    string? raw_response_headers);

  // Called to send the CORS preflight request information. Only called when
  // |devtool_request_id| is available on the original request.
  OnCorsPreflightRequest(
    int32 process_id,
    int32 render_frame_id,
    mojo_base.mojom.UnguessableToken devtool_request_id,
    URLRequest request,
    url.mojom.Url initiator_url,
    string initiator_devtool_request_id);

  // Called to send the CORS preflight response information. Only called when
  // |devtool_request_id| is available on the original request.
  OnCorsPreflightResponse(
    int32 process_id,
    int32 render_frame_id,
    mojo_base.mojom.UnguessableToken devtool_request_id,
    url.mojom.Url url,
    URLResponseHead head);

  // Called to send the CORS preflight completion status. Only called when
  // |devtool_request_id| is available on the original request.
  OnCorsPreflightRequestCompleted(
    int32 process_id,
    int32 render_frame_id,
    mojo_base.mojom.UnguessableToken devtool_request_id,
    URLLoaderCompletionStatus status);

  // Called to send the result of a successful or failed Trust Token
  // operation. Only called when |devtools_request_id| is available on the
  // original request.
  OnTrustTokenOperationDone(
    int32 process_id,
    int32 routing_id,
    string devtool_request_id,
    TrustTokenOperationResult result);
};

// Values for configuring HTTP authentication that can only be set once.
struct HttpAuthStaticParams {
  // List of supported auth schemes. Unrecognized schemes are ignored.
  // The default value of this field (an empty list) does not match default
  // behavior of NetworkService when no HttpAuthStaticParams is specified.
  array<string> supported_schemes;

  // File name the GSSAPI library to load. Only supported on platforms where an
  // external GSSAPI library is necessary for Kerberos/SPNEGO support. See the
  // |use_external_gssapi| variable definition in //net/BUILD.gn for details on
  // platforms where this setting is applicable.
  string gssapi_library_name;
};

// Values for configurating HTTP authentication that can be changed as needed.
struct HttpAuthDynamicParams {
  // Comma / semi-colon delimited allowlist of server origins which the network
  // service may send the default credentials for NTLM or Negotiate
  // authentication.
  string server_allowlist;

  // Comma / semi-colon delimited allowlist of server origins for which Kerberos
  // delegation is allowed for NTLM or Negotiate authentication.
  string delegate_allowlist;

  // True if OK-AS-DELEGATE flag from KDC should be used to allow delegation for
  // Negotiate authentication along with delegate_allowlist;
  bool delegate_by_kdc_policy = false;

  // True if canonical hostnames should be resolved when using Negotiate.
  bool negotiate_disable_cname_lookup = false;

  // True if Negotiate SPNs (service principal names) should include ports
  // when the port isn't a standard port (80 or 443).
  bool enable_negotiate_port = false;

  // Whether NTLM V2 is enabled on POSIX platforms. No effect elsewhere.
  bool ntlm_v2_enabled = true;

  // The AccountManager AccountManagerget.AccountsByTypeAndFeatures on Android
  // when using Negotiate authentication.
  string android_negotiate_account_type;

  // Indicates whether the GSSAPI library should be loaded. Only supported on
  // Chrome OS.
  bool allow_gssapi_library_load = true;

  // True if Basic authentication challenges should be allowed for non-secure
  // HTTP responses.
  bool basic_over_http_enabled = true;
};

// Values for configuring OSCrypt.
[EnableIf=needs_crypt_config]
struct CryptConfig {
  // Force OSCrypt to use a specific linux password store.
  string store;

  // The product name to use for permission prompts.
  string product_name;

  // Controls whether preference on using or ignoring backends is used.
  bool should_use_preference;

  // Preferences are stored in a separate file in the user data directory.
  mojo_base.mojom.FilePath user_data_path;
};

// Represents the value of a single environment variable.
struct EnvironmentVariable {
  string name;
  string value;
};

// Parameters needed to initialize the network service.
struct NetworkServiceParams {
  ConnectionType initial_connection_type = CONNECTION_UNKNOWN;
  ConnectionSubtype initial_connection_subtype = SUBTYPE_UNKNOWN;

  // A set of environment variables that should be set in the network
  // service when starting up.
  array<EnvironmentVariable> environment;
};

// Information about how logging should be configured.
// Corresponds to logging::LoggingSettings.
[EnableIf=is_chromeos]
struct LoggingSettings {
  uint32 logging_dest;
  handle<platform> log_file_descriptor;
};

// Implemented by the network service. The browser process sends messages to
// the network service over this interface.
//
// This is a trusted interface that only the browser process should have access
// to. It must not be sent to any untrusted process like a renderer process.
interface NetworkService {
  // Sets client used by all |NetworkContext|s creating by |NetworkService|.
  // Pending requests may hang if the |client| pipe is closed before they
  // complete.
  SetClient(pending_remote<NetworkServiceClient> client,
            NetworkServiceParams params);

  // Reinitializes the Network Service's logging with the given settings. This
  // is needed on Chrome OS, which switches to a log file in the user's home
  // directory once they log in.
  [EnableIf=is_chromeos]
  ReinitializeLogging(LoggingSettings settings);

  // Starts observing the NetLog event stream and writing entries to |file|.
  // |constants| is a legend used for decoding constant values in the log; it
  // will be merged with the |GetNetConstants()| dictionary before being passed
  // through to the FileObserver. (See |FileNetLogObserver::CreateBounded()|
  // for more details). Most clients will just be adding a dictionary under
  // the key "clientInfo".
  StartNetLog(mojo_base.mojom.File file,
              NetLogCaptureMode capture_mode,
              mojo_base.mojom.DictionaryValue constants);

  // Attaches an external source of NetLog events. Control events will be sent
  // to the |proxy_source| pipe indicating when netlogging is active, the
  // NetLog events should be sent to the |proxy_sink| pipe, and must use a
  // non-conflicting source id space.
  AttachNetLogProxy(pending_remote<NetLogProxySource> proxy_source,
                    pending_receiver<NetLogProxySink> proxy_sink);

  // Starts logging SSL key material to the |file|. This must be called before
  // any SSL connections are made. (See |SSLClientSocket::SetSSLKeyLogger()|
  // for more details).
  SetSSLKeyLogFile(mojo_base.mojom.File file);

  // Creates a new network context with the given parameters.
  CreateNetworkContext(pending_receiver<NetworkContext> context,
                       NetworkContextParams params);

  // Configures whether the built-in stub host resolver is used in preference
  // over getaddrinfo. When enabled, the stub resolver will attempt to use the
  // system's DNS settings to do DNS lookups itself. See
  // https://tools.ietf.org/html/rfc1034#section-5.3.1 for definition of a stub
  // resolver.
  //
  // |dns_over_https_servers| is an optional list of DNS over HTTPS servers.
  // DnsTransactions will by default follow the behavior of |secure_dns_mode|.
  // In SECURE mode, only DoH lookups will be performed. In AUTOMATIC mode,
  // DoH lookups to available servers will be performed first, and insecure
  // lookups will be used as a fallback. In OFF mode, only insecure lookups will
  // be performed. When insecure lookups are performed, they will be sent by
  // the async resolver first if |insecure_dns_client_enabled| is true and
  // then by the system resolver as a fallback.
  //
  // DNS over HTTPS will use the primary NetworkContext, so can only be enabled
  // after the primary network context has been created. Other than that
  // limitation, this method can be called at any time to change DNS
  // configuration, though calling it will fail any DNS lookups that have
  // already been started.
  ConfigureStubHostResolver(bool insecure_dns_client_enabled,
                            SecureDnsMode secure_dns_mode,
                            array<DnsOverHttpsServer>? dns_over_https_servers);

  // Disables QUIC for the NetworkService. Affects all existing NetworkContexts,
  // and all new ones that are created. Once called, QUIC cannot be re-enabled.
  DisableQuic();

  // Configures HTTP authentication for all NetworkContexts created using the
  // NetworkService. May only be called at most once, and may only be called
  // before any NetworkContexts are created.
  //
  // If this method is not invoked, default values will be used (which currently
  // allow all supported schemes on the current platform).
  SetUpHttpAuth(HttpAuthStaticParams http_auth_static_params);

  // Sets global auth params. Unlike SetUpAuth(), may be called multiple times,
  // at any point in time. Affects all NetworkContexts, both already existing
  // one and subsequently created ones.
  ConfigureHttpAuthPrefs(HttpAuthDynamicParams http_auth_dynamic_params);

  // Specifies whether requests for raw headers coming through URLLoaderFactory
  // associated with the specified process will be granted. Only raw headers
  // for requests with URLs matching a listed origin will be reported (this
  // permission has no effect on the network request itself).
  // The list overwrites the list set for given process with a previous call
  // to this method.
  // Granting a permission increases risks in case the child process becomes
  // compromised, so this should be done only in specific cases
  // (e.g. DevTools attached).
  SetRawHeadersAccess(int32 process_id, array<url.mojom.Origin> origins);

  // Sets the maximum number of connections for a proxy server.
  //   * Negative values will set the default proxy connection limit (32)
  //   * Values larger than 99 will saturate to 99.
  //   * Values smaller than 6 will saturate to 6.
  SetMaxConnectionsPerProxy(int32 max_connections);

  // Gets the NetworkChangeManager.
  GetNetworkChangeManager(
      pending_receiver<NetworkChangeManager> network_change_manager);

  // Gets the NetworkQualityEstimatorManager.
  GetNetworkQualityEstimatorManager(
      pending_receiver<NetworkQualityEstimatorManager> receiver);

  // Gets the DnsConfigChangeManager.
  GetDnsConfigChangeManager(
      pending_receiver<DnsConfigChangeManager> receiver);

  // Gets the accumulated network usage since the start/restart of the service.
  GetTotalNetworkUsages() => (array<NetworkUsage> total_network_usages);

  // Gets list of network interfaces.
  // The |policy| parameter is a flag that specifies whether to include/exclude
  // network interfaces. Corresponds to enum net::HostAddressSelectionPolicy.
  GetNetworkList(uint32 policy) => (array<NetworkInterface>? networks);

  // Updates the CRLSet used in the verification of certificates. CRLSets that
  // cannot be parsed using net::CRLSet::Parse will be ignored, as will older
  // CRLSets (where older is determined by the sequence number). All Network
  // Contexts created by the Network Service, including those created after
  // this call, will use the same CRLSet.
  UpdateCRLSet(mojo_base.mojom.ReadOnlyBuffer crl_set) => ();

  // Updates the configuration used for determining if a site should have legacy
  // TLS warnings suppressed. Configs that cannot be parsed as a
  // LegacyTLSExperimentConfig (protobuf) will be ignored.
  UpdateLegacyTLSConfig(mojo_base.mojom.ReadOnlyBuffer config) => ();

  // Notification that the certificate database has been modified.
  OnCertDBChanged();

  // Sets up OSCrypt for the network service process. Must be called before
  // encrypted cookies can be read or set.
  [EnableIf=needs_crypt_config]
  SetCryptConfig(CryptConfig crypt_config);

  // Send the encryption key to the network service to use for AES encryption.
  [EnableIf=is_mac]
  SetEncryptionKey(string encryption_key);

  // Send the encryption key to the network service to use for AES encryption.
  [EnableIf=is_win]
  SetEncryptionKey(string encryption_key);

  // Notifies |request_initiator_origin_lock| enforcement code that |process_id|
  // is proxying requests on behalf of a plugin from
  // |allowed_request_initiator| origin.
  //
  // TODO(lukasza, kmoon): https://crbug.com/702993: Remove the code here once
  // PDF support doesn't depend on PPAPI anymore.
  AddAllowedRequestInitiatorForPlugin(
      int32 process_id,
      url.mojom.Origin allowed_request_initiator);

  // Reverts AddAllowedRequestInitiatorForPlugin.
  RemoveSecurityExceptionsForPlugin(int32 process_id);

  // Called when the system is low on memory.
  OnMemoryPressure(mojo_base.mojom.MemoryPressureLevel memory_pressure_level);

  // Called when there is a change in the current count of peer to peer
  // connections that may require low latency.
  OnPeerToPeerConnectionsCountChange(uint32 count);

  // Called on state changes of the Android application.
  [EnableIf=is_android]
  OnApplicationStateChange(mojo_base.mojom.ApplicationState state);

  // Sets the given environment variables in the network service's process.
  // This method won't modify variables that aren't present in the
  // |environment| array.
  SetEnvironment(array<EnvironmentVariable> environment);

  // Sets Trust Tokens key commitment state. |raw_commitments| is the
  // JSON-encoded string representation of a collection of issuers' key
  // commitments according to the format specified, for now, in the Trust
  // Tokens design doc:
  // https://docs.google.com/document/d/1TNnya6B8pyomDK2F1R9CL3dY10OAmqWlnCxsWyOBDVQ/edit#heading=h.z52drgpfgulz.
  SetTrustTokenKeyCommitments(string raw_commitments) => ();

  // Clears the SCT auditing cache.
  [EnableIf=is_ct_supported]
  ClearSCTAuditingCache();

  // Configures SCT auditing.
  // This allows the embedder to specify whether SCT auditing should be enabled,
  // what sampling rate to use on reports, and which URLLoaderFactory to use for
  // sending reports.
  // TODO(cthomp): Document what happens if the URLLoaderFactory is destroyed.
  [EnableIf=is_ct_supported]
  ConfigureSCTAuditing(bool enabled,
                       double sampling_rate,
                       url.mojom.Url report_uri,
                       MutableNetworkTrafficAnnotationTag traffic_annotation,
                       pending_remote<network.mojom.URLLoaderFactory> factory);

  // Calls base::debug::DumpWithoutCrashing for the network process.
  // TODO(http://crbug.com/934317): Remove this once done debugging renderer
  // hangs.
  [EnableIf=is_android]
  DumpWithoutCrashing(mojo_base.mojom.Time dump_request_time);

  // Binds the test service's testing interface. Available only in some test
  // environments.
  BindTestInterface(pending_receiver<NetworkServiceTest> receiver);

  // Sets the preloaded First-Party Sets data. |raw_sets| is the JSON-encoded
  // string representation of a collection of set declarations according to the
  // format specified in this document:
  // https://github.com/privacycg/first-party-sets
  // Note that by setting the preloaded First-Party Sets, any previous notion of
  // preloaded First-Party Sets is cleared. This method can be partially
  // successful in the event of malformed input (which also clears previously-
  // known First-Party Sets), but does nothing if given non-JSON input or JSON
  // which is not a dictionary.
  SetPreloadedFirstPartySets(string raw_sets);
};