Feature/port 2fa features #44

Job	Run time
Coding Standard & Static Analysis	34s
testsuite (8.2, sqlite)	17s
testsuite (8.3, mysql)	38s
testsuite (8.1, sqlite)	16s
testsuite (8.2, mysql)	30s
testsuite (8.1, mysql)	30s
testsuite (8.3, sqlite)	50s
testsuite (8.3, pgsql)	22s
testsuite (8.2, pgsql)	22s
testsuite (8.1, pgsql)	27s
	4m 46s

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