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- // Copyright 2014 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 "ash/components/proximity_auth/remote_status_update.h"
- #include "ash/components/multidevice/logging/logging.h"
- namespace {
- // The value of the 'type' status update field.
- const char kStatusUpdateType[] = "status_update";
- // Keys in the serialized RemoteStatusUpdate JSON object.
- const char kType[] = "type";
- const char kUserPresence[] = "user_presence";
- const char kSecureScreenLock[] = "secure_screen_lock";
- const char kTrustAgent[] = "trust_agent";
- // Values in the serialized RemoteStatusUpdate JSON object.
- const char kUserPresent[] = "present";
- const char kUserAbsent[] = "absent";
- const char kUserPresenceUnknown[] = "unknown";
- const char kUserPresenceSecondary[] = "secondary";
- const char kUserPresenceBackground[] = "background";
- const char kSecureScreenLockEnabled[] = "enabled";
- const char kSecureScreenLockDisabled[] = "disabled";
- const char kSecureScreenLockStateUnknown[] = "unknown";
- const char kTrustAgentEnabled[] = "enabled";
- const char kTrustAgentDisabled[] = "disabled";
- const char kTrustAgentUnsupported[] = "unsupported";
- } // namespace
- namespace proximity_auth {
- // static
- std::unique_ptr<RemoteStatusUpdate> RemoteStatusUpdate::Deserialize(
- const base::Value::Dict& serialized_value) {
- const std::string* type = serialized_value.FindString(kType);
- if (!type || *type != kStatusUpdateType) {
- PA_LOG(ERROR) << "Unable to parse remote status update: unexpected type. "
- << "Expected: '" << kStatusUpdateType << "', "
- << "Saw: '" << *type << "'.";
- return nullptr;
- }
- const std::string* user_presence = serialized_value.FindString(kUserPresence);
- const std::string* secure_screen_lock_state =
- serialized_value.FindString(kSecureScreenLock);
- const std::string* trust_agent_state =
- serialized_value.FindString(kTrustAgent);
- if (!user_presence || !secure_screen_lock_state || !trust_agent_state) {
- PA_LOG(ERROR) << "Unable to parse remote status update: missing data value."
- << " Status update:\n"
- << serialized_value;
- return nullptr;
- }
- std::unique_ptr<RemoteStatusUpdate> parsed_update(new RemoteStatusUpdate);
- if (*user_presence == kUserPresent) {
- parsed_update->user_presence = USER_PRESENT;
- } else if (*user_presence == kUserAbsent) {
- parsed_update->user_presence = USER_ABSENT;
- } else if (*user_presence == kUserPresenceUnknown) {
- parsed_update->user_presence = USER_PRESENCE_UNKNOWN;
- } else if (*user_presence == kUserPresenceSecondary) {
- parsed_update->user_presence = USER_PRESENCE_SECONDARY;
- } else if (*user_presence == kUserPresenceBackground) {
- parsed_update->user_presence = USER_PRESENCE_BACKGROUND;
- } else {
- PA_LOG(ERROR)
- << "Unable to parse remote status update: invalid user presence: '"
- << *user_presence << "'.";
- return nullptr;
- }
- if (*secure_screen_lock_state == kSecureScreenLockEnabled) {
- parsed_update->secure_screen_lock_state = SECURE_SCREEN_LOCK_ENABLED;
- } else if (*secure_screen_lock_state == kSecureScreenLockDisabled) {
- parsed_update->secure_screen_lock_state = SECURE_SCREEN_LOCK_DISABLED;
- } else if (*secure_screen_lock_state == kSecureScreenLockStateUnknown) {
- parsed_update->secure_screen_lock_state = SECURE_SCREEN_LOCK_STATE_UNKNOWN;
- } else {
- PA_LOG(ERROR) << "Unable to parse remote status update: invalid secure "
- << "screen lock state: '" << *secure_screen_lock_state
- << "'.";
- return nullptr;
- }
- if (*trust_agent_state == kTrustAgentEnabled) {
- parsed_update->trust_agent_state = TRUST_AGENT_ENABLED;
- } else if (*trust_agent_state == kTrustAgentDisabled) {
- parsed_update->trust_agent_state = TRUST_AGENT_DISABLED;
- } else if (*trust_agent_state == kTrustAgentUnsupported) {
- parsed_update->trust_agent_state = TRUST_AGENT_UNSUPPORTED;
- } else {
- PA_LOG(ERROR) << "Unable to parse remote status update: invalid trust "
- << "agent state: '" << *trust_agent_state << "'.";
- return nullptr;
- }
- return parsed_update;
- }
- } // namespace proximity_auth
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