hand crafted reverse engineering of Google Chat's protobuf

googlechat-dynamite.proto

syntax = "proto2";


enum UserType {
	HUMAN = 0;
	BOT = 1;
}

message UserId {
	optional string id = 1;
	optional UserType type = 2;
	//optional DYNProtoAppId origin_app_id = 3;
}

//DYNProtoUser
message User {
	optional UserId user_id = 1;
	optional string name = 2;
	optional string avatar_url = 3;
	optional string email = 4;
	optional string first_name = 5;
	optional string last_name = 6;
	optional bool deleted = 7;
	optional bool is_anonymous = 8;
	//optional DYNProtoBotInfo bot_info = 9;
	optional string gender = 10;
	//optional DYNProtoUserAccountState user_account_state = 11;
	//optional DYNProtoUserProfileVisibility user_profile_visibility = 15;
	//optional DYNProtoOrganizationInfo organization_info = 12;
	//optional DYNProtoUserBlockRelationship block_relationship = 13;
	//repeated DYNProtoPhoneNumber phone_number = 14;
}

message UserStatus {
	optional UserId user_id = 1;
	//optional DYNProtoDndSettings dnd_settings = 2;
	optional int64 update_timestamp_usec = 3;
	optional int64 dnd_settings_update_timestamp_usec = 7;
	optional int64 status_timestamp_usec = 4;
	optional bool presence_shared = 5;
	//optional DYNProtoCustomStatus custom_status = 6;
	optional int64 custom_status_update_timestamp_usec = 8;
}

message UserStatusUpdatedEvent {
	optional UserStatus user_status = 1;
}

message GetUserStatusRequest {
	repeated UserId user_ids = 1;
	optional RequestHeader request_header = 100;
}

message GetUserStatusResponse {
	repeated UserStatus user_statuses = 1;
}

message RequestHeader {
	optional int64 trace_id = 1;
	//optional DYNProtoRequestHeader_ClientType client_type = 2;
	optional int64 client_version = 3;
	optional string locale = 4;
	//optional DYNProtoClientFeatureCapabilities client_feature_capabilities = 5;
}

message Member {
	oneof Profile {
		User user = 1;
		//Roster roster = 2;
	}
}

message MemberId {
	oneof Id {
		UserId user_id = 1;
		//RosterId roster_id = 2;
	}
}

message MembershipId {
	optional MemberId member_id = 1;
	optional SpaceId space_id = 2;
	optional GroupId group_id = 3;
}

message MemberProfile {
	optional MembershipId id = 1;
	optional Member member = 2;
}

message GetMembersRequest {
	optional RequestHeader request_header = 100;
	repeated MembershipId membership_ids = 1;
	repeated MemberId member_ids = 2;
}

message GetMembersResponse {
	repeated Member members = 1;
	repeated MemberProfile member_profiles = 2;
}

enum Presence {
  UNDEFINED_PRESENCE = 0;
  ACTIVE = 1;
  INACTIVE = 2;
  UNKNOWN = 3;
  SHARING_DISABLED = 4;
}

message UserPresence {
	optional UserId user_id = 1;
	optional Presence presence = 2;
	optional int64 active_until = 4;
	optional DndState_State dnd_state = 3;
	optional UserStatus user_status = 5;
}

message GetUserPresenceRequest {
	optional RequestHeader request_header = 100
	repeated UserId user_ids = 1;
	optional bool include_active_until = 2;
	optional bool include_user_status = 3;
}

//for oneof
enum MessageParentId_ParentCase {
	PARENT_NOT_SET = 0;
	TOPIC_ID = 4;
}

message MessageParentId {
	optional TopicId topic_id = 4;
	//required DYNProtoMessageParentId_ParentCase parent_case;
}

message MessageId {
	optional MessageParentId parent_id = 1;
	optional string message_id = 2;
}

message Message {
	optional MessageId id = 1;
	//optional Message_MessageState message_state = 20;
	optional User creator = 2;
	optional int64 create_time = 3;
	optional int64 last_update_time = 4;
	optional int64 delete_time = 8;
	optional int64 last_edit_time = 17;
	optional string text_body = 10;
	//repeated DYNProtoAnnotation annotations = 11;
	//repeated DYNProtoBotResponse bot_responses = 19;
	optional string local_id = 14;
	//repeated DYNProtoAttachment attachments = 15;
	//optional DYNProtoAppProfile app_profile = 16;
	//optional DYNProtoRetentionSettings retention_settings = 18;
	//repeated DYNProtoReaction reactions = 21;
	//repeated DYNProtoCommunalLabelTag communal_labels = 27;
	//repeated DYNProtoPersonalLabelTag personal_labels = 26;
	//optional ?? message_integration_payload = 23;
	//optional DYNProtoMessage_MessagePermission editable_by = 24;
	//optional DYNProtoMessage_MessagePermission deletable_by = 25;
	optional int64 last_reply_time = 5;
	optional int64 last_view_time = 6;
	optional int64 last_mention_time = 7;
	optional int64 num_unread_replies = 9;
	optional Message last_reply = 12;
	optional int64 sort_time = 13;
	optional Message_MessageType message_type = 28;
	//optional DYNProtoAppId origin_app_id = 29;
	//optional DYNProtoMembership creator_membership = 30;
	//optional DYNProtoMessageAttributes attributes = 31;
	//optional ?? tombstone_metadata = 32;
}

enum TypingState {
	UNKNOWN_STATE = 0;
	TYPING = 1;
	STOPPED = 2;
}

message TypingContext {
	oneof Context {
		optional GroupId group_id = 1;
		optional TopicId topic_id = 2;
	}
}

message SetTypingStateRequest {
	optional RequestHeader request_header = 100;
	optional TypingState state = 1;
	optional TypingContext context = 2;
}

message SetTypingStateResponse {
	optional int64 start_timestamp_usec = 1;
}

message DmId {
	optional string dm_id = 1;
}

message SpaceId {
	optional string space_id = 1;
}

message GroupId {
	oneof Id {
		optional SpaceId space_id = 1;
		optional DmId dm_id = 3;
	}
}

message Group {
	optional GroupId group_id = 1;
	optional string name = 2;
	optional User creator = 4;
	optional int64 create_time = 5;
	optional int64 last_modified_time = 6;
	optional int64 sort_time = 7;
	optional int64 revision_time = 13;
	//optional DYNProtoGroupReadState group_read_state = 12;
	optional int64 retention_horizon_time = 14;
	//optional DYNProtoDasherDomainPolicies dasher_domain_policies = 15;
	//optional ?? group_policies = 40;
	//optional DYNProtoRetentionSettings retention_settings = 16;
	optional bool is_flat = 17;
	optional bool interop_enabled = 18;
	optional int64 retention_duration_seconds = 19;
	//optional DYNProtoGroupGuestAccessSettings group_guest_access_settings = 20;
	//optional DYNProtoOrganizationInfo organization_info = 21;
	optional Group_GroupType group_type = 22;
	//optional DYNProtoGroupVisibility visibility = 23;
	//repeated DYNProtoGsuiteIntegration gsuite_integration = 24;
	optional string roster_email = 25;
	//optional DYNProtoGroup_FlatGroup flat_group = 26;
	//optional DYNProtoGroup_ThreadedGroup threaded_group = 27;
	optional string avatar_url = 28;
	//optional DYNProtoGroupIntegrationSettings group_integration_settings = 36;
	//repeated ?? space_integration_payloads = 29;
	//optional DYNProtoAvatarInfo avatar_info = 30;
	//optional ?? attribute_checker_group_type = 33;
	//optional DYNProtoNameUsers name_users = 34;
	//optional ?? space_details = 37;
	//optional DYNProtoGroupSupportLevel group_support_level = 38;
	//optional DYNProtoGroupUnsupportedReason group_unsupported_reason = 39;
	//optional DYNProtoHubGroupProperties hub_group_properties = 41;
	//optional ?? ufr_upgrade_info = 42;
	optional bool typing_indicators_enabled = 43;
	//DYNProtoGroup_ThreadedModelCase - oneof
}

message TopicId {
	optional GroupId group_id = 3;
	optional string topic_id = 2;
}

message Topic {
	optional TopicId id = 1;
	optional int64 sort_time = 2;
	optional int64 create_time_usec = 15;
	repeated Message replies = 7;
	//optional DYNProtoTopicReadState topic_read_state = 11;
	optional bool is_system_message = 12;
	optional DYNProtoRetentionSettings retention_settings = 13;
	optional bool contains_more_unread_replies = 14;
}

message CreateTopicRequest {
	optional RequestHeader request_header = 100;
	optional GroupId group_id = 5;
	optional string text_body = 2;
	//repeated DYNProtoAnnotation annotations = 3;
	//optional DYNProtoRetentionSettings retention_settings = 6;
	optional string local_id = 4;
	optional string topic_and_message_id = 7;
	optional bool history_v2 = 8;
	//optional DYNProtoMessageInfo message_info = 9;
}

message CreateTopicResponse {
	optional Topic topic = 1;
	//optional DYNProtoWriteRevision group_revision = 2;
	//optional DYNProtoReadRevision current_group_revision = 3;
}

message ListTopicsResponse {
	repeated Topic topics = 1;
	//optional DYNProtoReadRevision user_revision = 2
	//optional DYNProtoReadRevision group_revision = 3
	optional bool contains_first_topic = 4;
	optional bool contains_last_topic = 5;
	//optional DYNProtoReadReceiptSet read_receipt_set
}

message ListTopicsRequest {
	optional RequestHeader request_header = 100;
	optional GroupId group_id = 8;
	optional int32 page_size_for_topics = 2;
	optional int32 page_size_for_unread_replies = 6;
	optional int32 page_size_for_read_replies = 7;
	optional int32 page_size_for_replies = 3;
	//optional DYNProtoListTopicsRequest_Filter filter = 4;
	//repeated DYNProtoListTopicsRequest_FetchOptions fetch_options = 5;
	//optional DYNProtoReferenceRevision user_not_older_than = 9;
	//optional DYNProtoReferenceRevision group_not_older_than = 10;
	//optional DYNProtoListTopicsRequest_SortOption sort_option = 11;
}

message MessageEvent {
	optional Message message = 1;
	optional int64 last_message_in_topic_time = 4;
	optional int64 prev_revision_time = 5;
	optional bool is_head_message = 6;
}

message TypingStateChangedEvent {
	optional TypingState state = 1;
	optional UserId user_id = 2;
	optional TypingContext context = 3;
	optional int64 start_timestamp_usec = 4;
}

enum Event_EventType {
	
  UNKNOWN = 0;
  USER_ADDED_TO_GROUP = 1;
  USER_REMOVED_FROM_GROUP = 2;
  GROUP_VIEWED = 3;
  TOPIC_VIEWED = 4;
  GROUP_UPDATED = 5
  MESSAGE_POSTED = 6
  MESSAGE_UPDATED = 7
  MESSAGE_DELETED = 8
  TOPIC_MUTE_CHANGED = 9
  USER_SETTINGS_CHANGED = 10
  GROUP_STARRED = 11
  WEB_PUSH_NOTIFICATION = 12
  GROUP_UNREAD_SUBSCRIBED_TOPIC_COUNT_UPDATED = 13
  INVITE_COUNT_UPDATED = 14
  MEMBERSHIP_CHANGED = 15
  GROUP_HIDE_CHANGED = 16
  DRIVE_ACL_FIX_PROCESSED = 17
  GROUP_NOTIFICATION_SETTINGS_UPDATED = 18
  RETENTION_SETTINGS_UPDATED = 19
  TOPIC_CREATED = 20
  ON_HOLD_MESSAGE_POSTED = 21
  ON_HOLD_MESSAGE_UPDATED = 22
  ON_HOLD_MESSAGE_PUBLISHED = 23
  MESSAGE_REACTED = 24
  USER_STATUS_UPDATED_EVENT = 25
  GROUP_RETENTION_SETTINGS_UPDATED = 26
  USER_WORKING_HOURS_UPDATED_EVENT = 27
  MESSAGE_SMART_REPLIES = 28
  TYPING_STATE_CHANGED = 29
  GROUP_DELETED = 30
  BLOCK_STATE_CHANGED = 31
  CLEAR_HISTORY = 32
  SESSION_READY = 33
  GROUP_SORT_TIMESTAMP_CHANGED = 34
  GSUITE_INTEGRATION_UPDATED = 35
  READ_RECEIPT_CHANGED = 36
  MARK_AS_UNREAD = 37
  GROUP_NO_OP = 38
  INVALIDATE_GROUP_CACHE = 39
  USER_NO_OP = 40
  INVALIDATE_USER_CACHE = 41
  USER_DENORMALIZED_GROUP_UPDATED = 42
  USER_PRESENCE_SHARED_UPDATED_EVENT = 43
  NOTIFICATIONS_CARD_UPDATED = 44
  USER_HUB_AVAILABILITY_UPDATED_EVENT = 45
  USER_OWNERSHIP_UPDATED = 46
  SHARED_DRIVE_CREATE_SCHEDULED = 47
  SHARED_DRIVE_UPDATED = 48
  MESSAGE_PERSONAL_LABEL_UPDATED = 49
  USER_QUOTA_EXCEEDED = 50
}


message EventBody {
	oneof Type {
		//GroupViewedEvent group_viewed = 3;
		//TopicViewedEvent topic_viewed = 4;
		//GroupUpdatedEvent group_updated = 5;
		MessageEvent message_posted = 6;
		//TopicMuteChangedEvent topic_mute_changed = 7;
		//UserSettingsChangedEvent user_settings_changed = 8;
		//GroupStarredEvent group_starred = 9;
		//WebPushNotificationEvent web_push_notification = 10;
		//GroupUnreadSubscribedTopicCountUpdatedEvent group_unread_subscribed_topic_count_updated_event = 11;
		//InviteCountUpdatedEvent invite_count_updated = 13;
		//MembershipChangedEvent membership_changed = 14;
		//GroupHideChangedEvent group_hide_changed = 15;
		//DriveAclFixProcessedEvent drive_acl_fix_processed = 16;
		//GroupNotificationSettingsUpdatedEvent group_notification_settings_updated = 17;
		//MessageDeletedEvent message_deleted = 18;
		//RetentionSettingsUpdatedEvent retention_settings_updated = 19;
		//TopicCreatedEvent topic_created = 21;
		//MessageReactionEvent message_reaction = 22;
		//UserStatusUpdatedEvent user_status_updated_event = 23;
		//WorkingHoursSettingsUpdatedEvent working_hours_settings_updated_event = 24;
		//MessageSmartRepliesEvent message_smart_replies_event = 25;
		TypingStateChangedEvent typing_state_changed_event = 26;
		//GroupDeletedEvent group_deleted_event = 27;
		//BlockStateChangedEvent block_state_changed_event = 28;
		//ClearHistoryEvent clear_history_event = 29;
		//GroupSortTimestampChangedEvent group_sort_timestamp_changed_event = 30;
		//MarkAsUnreadEvent mark_as_unread_event = 32;
		//ReadReceiptChangedEvent read_receipt_changed = 33;
		//GroupNoOpEvent group_no_op_event = 34;
		//UserNoOpEvent user_no_op_event = 35;
		//UserDenormalizedGroupUpdatedEvent user_denormalized_group_updated_event = 36;
		//NotificationsCardEvent notifications_card_event = 37;
		//?? user_hub_availability_event = 38;
		//PresenceSharedUpdatedEvent presence_shared_updated_event = 39;
		//UserOwnershipUpdatedEvent user_ownership_updated_event = 40;
		//SharedDriveCreateScheduledEvent shared_drive_create_scheduled_event = 41;
		//SharedDriveUpdatedEvent shared_drive_updated_event = 42;
		//MessagePersonalLabelUpdatedEvent message_personal_label_updated = 43;
	}

	optional Event_EventType event_type = 12;
	optional int64 trace_id = 20;
}

message Event {
	optional GroupId group_id = 1;
	optional Event_EventType type = 3;
	optional EventBody body = 4;
	optional UserId user_id = 5;
	//oneof RevisionType {
		//WriteRevision user_revision = 6;
		//WriteRevision group_revision = 7;
	//}
	repeated EventBody bodies = 8;
}

enum DndState_State {
	UNKNOWN = 0;
	AVAILABLE = 1;
	DND = 2;
}

enum Group_GroupType {
	GROUP_TYPE_UNSPECIFIED = 0;
	ROOM = 1;
	HUMAN_DM = 2;
	BOT_DM = 3;
}

enum ListTopicsRequest_FetchOptions {
	USER = 1;
	TOTAL_MESSAGE_COUNTS = 2;
	READ_RECEIPTS	= 3;
}

enum Message_MessageState {
	UNKNOWN = 0;
	GROUP_VISIBLE = 1;
	ON_HOLD = 2;
}

enum Message_MessageType {
	MESSAGE_TYPE_UNSPECIFIED = 0;
	USER_MESSAGE = 1;
	SYSTEM_MESSAGE = 2;
}

enum Platform {
	UNDEFINED_PLATFORM = 0;
	WEB = 1;
	MOBILE = 2;
	DRONE = 3;
	INTEROP_PRESENCE = 4;
	CLASSIC_DESKTOP = 5;
	CLASSIC_PHONE = 6;
	CLASSIC_UNKNOWN = 7;
	WEB_GMAIL = 8;
}

enum InviteType_Type {
	UNKNOWN = 0;
	AT_MENTION = 1;
	DIRECT_ADD = 2;
}

enum AnnotationType {
	UNKNOWN = 0;
	URL = 1;
	DRIVE_FILE = 2;
	DRIVE_DOC = 3;
	DRIVE_SHEET = 4;
	DRIVE_SLIDE = 5;
	USER_MENTION = 6;
	VIDEO = 7;
	FORMAT_DATA = 8;
	IMAGE = 9;
	PDF = 10;
	VIDEO_CALL = 11;
	MEMBERSHIP_CHANGED = 12;
	UPLOAD_METADATA = 13;
	ROOM_UPDATED = 14;
	INVITATION = 15;
	SLASH_COMMAND = 16;
	GSUITE_INTEGRATION = 17;
	DRIVE_FORM = 18;
	GROUP_RETENTION_SETTINGS_UPDATED = 19;
	BABEL_PLACEHOLDER = 20;
	READ_RECEIPTS_SETTINGS_UPDATED = 21;
	INCOMING_WEBHOOK_CHANGED = 22;
	INTEGRATION_CONFIG_UPDATED = 23;
	CONSENTED_APP_UNFURL = 24;
}

enum FormatMetadata_FormatType {
	TYPE_UNSPECIFIED = 0;
	BOLD = 1;
	ITALIC = 2;
	STRIKE = 3;
	SOURCE_CODE = 4;
	MONOSPACE = 5;
	HIDDEN = 6;
	MONOSPACE_BLOCK = 7;
	UNDERLINE = 8;
	FONT_COLOR = 9;
	BULLETED_LIST = 10;
	BULLETED_LIST_ITEM = 11;
	CLIENT_HIDDEN = 12;
}

enum MembershipChangedMetadata_Type {
	TYPE_UNSPECIFIED = 0;
	INVITED = 1;
	JOINED = 2;
	ADDED = 3;
	REMOVED = 4;
	LEFT = 5;
	BOT_ADDED = 6;
	BOT_REMOVED = 7;
	KICKED_DUE_TO_OTR_CONFLICT = 8;
	ROLE_UPDATED = 9;
}

enum UserMentionMetadata_Type {
	TYPE_UNSPECIFIED = 0;
	INVITE = 1;
	UNINVITE = 2;
	MENTION = 3;
	MENTION_ALL = 4;
	FAILED_TO_ADD = 5;
}

enum SlashCommandMetadata_Type {
	TYPE_UNSPECIFIED = 0;
	ADD = 1;
	INVOKE = 2;
	FAILED_TO_ADD = 3;
}

enum GroupVisibility_VisibilityState {
	UNKNOWN = 0;
	PRIVATE = 1;
	PUBLIC = 2;
}

enum CallStatus {
	UNKNOWN_CALL_STATUS = 0;
	ACTIVE_CALL = 1;
	ENDED_CALL = 2;
}

enum RingStatus {
	UNKNOWN_RING_STATUS = 0;
	RINGING = 1;
	JOINED = 2;
	MISSED = 3;
}


enum UserAccountState {
	UNKNOWN = 0;
	ENABLED = 1;
	DISABLED = 2;
	DELETED = 3;
	TEMPORARY_UNAVAILABLE = 4;
}

enum RequestHeader_ClientType {
	UNKNOWN = 0;
	ANDROID = 1;
	IOS = 2;
	WEB = 3;
	CLASSIC_INTEROP = 4;
	INTERNAL_TESTING = 5;
	WEB_DESKTOP = 6;
	WEB_GMAIL = 7;
}

enum MembershipRole {
	ROLE_UNKNOWN = 0;
	ROLE_NONE = 1;
	ROLE_INVITEE = 2;
	ROLE_MEMBER = 3;
	ROLE_OWNER = 4;
}




enum AppType {
	APP_TYPE_UNSPECIFIED = 0;
	APP = 1;
	GSUITE_APP = 2;
	INCOMING_WEBHOOK = 3;
}

enum MembershipState {
	MEMBER_UNKNOWN = 0;
	MEMBER_INVITED = 1;
	MEMBER_JOINED = 2;
	MEMBER_NOT_A_MEMBER = 3;
	MEMBER_FAILED = 4;
}

I'm using this protobuf in the Pidgin GoogleChat plugin so will be keeping a more up-to-date protobuf format there at https://github.com/EionRobb/purple-googlechat/blob/master/googlechat.proto