Table of Contents
Data structure

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This entity defines authentication factors entity information structure:

Column	Type	M/O	Purpose
id	uuid	M
user_id	uuid	M	User FK
type	varchar	M
factor	varchar	O	Factor value
is_active	boolean	M
inserted_at	timestamp	M
updateed_at	timestamp	M

...

Store counters parameters for 2FA in `users.priv_settings` as structure :

{
"login_error_counter": 0,
"otp_error_counter": 0
}
Information about blocked directly in entity `users`.

Column Type Purpose
is_blocked boolean
block_reason varchar (255), NULL

OTP

This entity defines OTP (one tome passwords) entity information structure:

Column	Type	M/O	Purpose
id	uuid	M
key	varchar	M	Value of factor (1 active 2FA for user)
code	varchar	M	Value of OTP
status	varchar	M	Status (Dictionary: OTP_STATUS)
code_expired_at	timestamp	M	Timestamp which OTP expired (now() + param from config)
attempts_count	integer	O	Count of trying OTP authorization process
updateed_at	timestamp	M

Dictionary: `OTP_STATUS`

Value	Purpose
NEW	Initial status for newest OTP item. Ready to use in OTP verification process.
VERIFIED	Status for successful OTP verification process
UNVERIFIED	Status for unsuccessful OTP verification process
EXPIRED	Expired after OTP lifetime.
CANCELED	Status for manual admin action.

Transitions

From	Transition	Result
	Created new OTP	status = NEW
status = NEW	Succseful OTP verify	status = VERIFIED
status = NEW	Unsuccseful OTP verify afterexcess of count [param: OTP_ERROR_MAX]	status = UNVERIFIED
status = NEW	[AUTO] Termination process after end of life-time OTP [param: OTP_LIFETIME]	status = EXPIRED
status = NEW	All OTP by `key` in status=`NEW` before creating new OTP	status = CANCELED

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