Install

via composer

composer require twofas/sdk : "3.*"

Documentation

Creating client

$twoFAS = new \TwoFAS\Api\TwoFAS('login', 'api_key');

All methods

All methods can throw following exceptions:

Unsuccessful

• AuthorizationException in case of invalid credentials

Exception 'TwoFAS\Api\Exception\AuthorizationException'
with message 'Invalid credentials'

• Exception in case of unspecified type of exception

Exception 'TwoFAS\Api\Exception\Exception'
with message 'Unsupported response'

Additional exceptions are described for each method

Methods

formatNumber

Used for checking if number is valid and to unify format. You can store unified number in DB to prevent creation of multiple users with same phone number.

Parameters

Name	Type	Description
$phoneNumber	string	Phone number in any format

Example

$formatted = $twoFAS->formatNumber('5123631111');

Response

Successful

Returns TwoFAS\Api\FormattedNumber object

Unsuccessful

Method can throw additional exceptions:

• InvalidNumberException if you passed phone number that cannot be parsed

Exception 'TwoFAS\Api\Exception\InvalidNumberException'
with message 'Invalid number'

requestAuthViaSms

Used for requesting authentication on user via SMS. Store authentication id for later use.

Parameters

Name	Type	Description
$phoneNumber	string	Phone number in any format

Example

$authentication = $twoFAS->requestAuthViaSms('5123631111');

Response

Successful

Returns TwoFAS\Api\Authentication object

Unsuccessful

Method can throw additional exceptions:

• AuthenticationsLimitationException if you make too many authentications in one hour (affects only development keys and phone based authentication types)

Exception 'TwoFAS\Api\Exception\AuthenticationsLimitationException'
with message 'Too many requests'

• ChannelNotActiveException if channel which is used to make authentication is not active

Exception 'TwoFAS\Api\Exception\ChannelNotActiveException'
with message 'Channel is not active'

• CountryIsBlockedException if number which is used to make authentication belongs to blocked country within integration

Exception 'TwoFAS\Api\Exception\CountryIsBlockedException'
with message 'Authorization request cannot be made due to blocked country'

• InvalidDateException in case of invalid date. Should only be expected when used outside of SDK.

Exception 'TwoFAS\Api\Exception\InvalidDateException'
with message ''

• InvalidNumberException if you passed phone number that cannot be parsed

Exception 'TwoFAS\Api\Exception\InvalidNumberException'
with message 'Invalid number'

• NumbersLimitationException if number which is used to make authentication is not on development key whitelist

Exception 'TwoFAS\Api\Exception\NumbersLimitationException'
with message 'Development keys can only send to white list'

• PaymentException if you used a method that requires payment and you cannot be charged

Exception 'TwoFAS\Api\Exception\PaymentException'
with message 'Payment required'

• SmsToLandlineException if you're trying to send sms to landline which doesn't support it

Exception 'TwoFAS\Api\Exception\SmsToLandlineException'
with message 'Cannot send sms to landline'

SmsToLandlineException extends InvalidNumberException

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

requestAuthViaCall

Used for requesting authentication on user via CALL. Store authentication id for later use.

Parameters

Name	Type	Description
$phoneNumber	string	Phone number in any format

Example

$authentication = $twoFAS->requestAuthViaCall('5123631111');

Response

Successful

Returns TwoFAS\Api\Authentication object

Unsuccessful

Method can throw additional exceptions:

• AuthenticationsLimitationException if you make too many authentications in one hour (affects only development keys and phone based authentication types)

Exception 'TwoFAS\Api\Exception\AuthenticationsLimitationException'
with message 'Too many requests'

• ChannelNotActiveException if channel which is used to make authentication is not active

Exception 'TwoFAS\Api\Exception\ChannelNotActiveException'
with message 'Channel is not active'

• CountryIsBlockedException if number which is used to make authentication belongs to blocked country within integration

Exception 'TwoFAS\Api\Exception\CountryIsBlockedException'
with message 'Authorization request cannot be made due to blocked country'

• InvalidDateException in case of invalid date. Should only be expected when used outside of SDK.

Exception 'TwoFAS\Api\Exception\InvalidDateException'
with message ''

• InvalidNumberException if you passed phone number that cannot be parsed

Exception 'TwoFAS\Api\Exception\InvalidNumberException'
with message 'Invalid number'

• NumbersLimitationException if number which is used to make authentication is not on development key whitelist

Exception 'TwoFAS\Api\Exception\NumbersLimitationException'
with message 'Development keys can only send to white list'

• PaymentException if you used a method that requires payment and you cannot be charged

Exception 'TwoFAS\Api\Exception\PaymentException'
with message 'Payment required'

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

requestAuthViaEmail

Used for requesting authentication on user via email. Store authentication id for later use.

Parameters

Name	Type	Description
$email	string	Email address

Example

$authentication = $twoFAS->requestAuthViaEmail('[email protected]');

Response

Successful

Returns TwoFAS\Api\Authentication object

Unsuccessful

Method can throw additional exceptions:

• ChannelNotActiveException if channel which is used to make authentication is not active

Exception 'TwoFAS\Api\Exception\ChannelNotActiveException'
with message 'Channel is not active'

• InvalidDateException in case of invalid date. Should only be expected when used outside of SDK.

Exception 'TwoFAS\Api\Exception\InvalidDateException'
with message ''

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

requestAuthViaTotp

Used for requesting authentication on user via TOTP (Time-based One-time Password Algorithm). Store authentication id for later use.

Parameters

Name	Type	Description
$secret	string	Totp secret in 16 base32 characters
$mobileSecret	string or null	Secret used for push notifications

Example

$authentication = $twoFAS->requestAuthViaTotp('JBSWY3DPEHPK3PXP');

Response

Successful

Returns TwoFAS\Api\Authentication object

Unsuccessful

Method can throw additional exceptions:

• ChannelNotActiveException if channel which is used to make authentication is not active

Exception 'TwoFAS\Api\Exception\ChannelNotActiveException'
with message 'Channel is not active'

• InvalidDateException in case of invalid date. Should only be expected when used outside of SDK.

Exception 'TwoFAS\Api\Exception\InvalidDateException'
with message ''

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

requestAuth

Used for requesting authentication on integration user. This method merge all previous authenticate methods. Store authentication id for later use.

Parameters

Name	Type	Description
$keyStorage	KeyStorage	Your class to keep Key used in encrypt/decrypt data
$userId	string	Id of integration user who wants to authenticate

Example

$authentication = $twoFAS->requestAuth($keyStorage, '5788b5e5002f0');

Response

Successful

Returns TwoFAS\Api\Authentication object

Unsuccessful

Method can throw additional exceptions:

• AuthenticationsLimitationException if you make too many authentications in one hour (affects only development keys and phone based authentication types)

Exception 'TwoFAS\Api\Exception\AuthenticationsLimitationException'
with message 'Too many requests'

• ChannelNotActiveException if channel which is used to make authentication is not active

Exception 'TwoFAS\Api\Exception\ChannelNotActiveException'
with message 'Channel is not active'

• CountryIsBlockedException if number which is used to make authentication belongs to blocked country within integration

Exception 'TwoFAS\Api\Exception\CountryIsBlockedException'
with message 'Authorization request cannot be made due to blocked country'

• IntegrationUserHasNoActiveMethodException if integration user haven't got active authenticate method

Exception 'TwoFAS\Api\Exception\IntegrationUserHasNoActiveMethodException'
with message 'No active method'

• IntegrationUserNotFoundException if there is no integration user with requested id

Exception 'TwoFAS\Api\Exception\IntegrationUserNotFoundException'
with message 'Integration user not found'

• InvalidDateException in case of invalid date. Should only be expected when used outside of SDK.

Exception 'TwoFAS\Api\Exception\InvalidDateException'
with message ''

• InvalidNumberException if you passed phone number that cannot be parsed

Exception 'TwoFAS\Api\Exception\InvalidNumberException'
with message 'Invalid number'

• NumbersLimitationException if number which is used to make authentication is not on development key whitelist

Exception 'TwoFAS\Api\Exception\NumbersLimitationException'
with message 'Development keys can only send to white list'

• PaymentException if you used a method that requires payment and you cannot be charged

Exception 'TwoFAS\Api\Exception\PaymentException'
with message 'Payment required'

• SmsToLandlineException if you're trying to send sms to landline which doesn't support it

Exception 'TwoFAS\Api\Exception\SmsToLandlineException'
with message 'Cannot send sms to landline'

SmsToLandlineException extends InvalidNumberException

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

checkCode

Used for validating code entered by user.

Parameters

Name	Type	Description
$collection	AuthenticationCollection	Collection of authentication ids
$code	string	Code provided by user

AuthenticationCollection

Example

$checkCode = $twoFAS->checkCode($collection, '123456');

if ($checkCode->accepted()) {

}

Response

Successful

Returns instance of TwoFAS\Api\Code\Code interface

checkBackupCode

Used for validating backup code entered by user.

Backup code is expected to be 12 non-omitted characters. Non-omitted characters consists of subsets:

• letters: abcdefghjkmnpqrstuvwxyz
• numbers: 23456789

You can send code with or without - separators, code is not case-sensitive.

Parameters

Name	Type	Description
$user	IntegrationUser	User that wants to use backup code
$collection	AuthenticationCollection	Collection of authentication ids
$code	string	Code provided by user

AuthenticationCollection

Example

try {
    
    $checkCode = $twoFAS->checkBackupCode($user, $collection, 'aaaa-bbbb-cccc');
    
    if ($checkCode->accepted()) {
    
    }
    
} catch (ValidationException $e) {
    
}

Response

Successful

Returns instance of TwoFAS\Api\Code\Code interface

Unsuccessful

Method can throw additional exceptions:

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

getIntegrationUser

Used for get integration user from 2fas.

Parameters

Name	Type	Description
$keyStorage	KeyStorage	Your class to keep Key used in encrypt/decrypt data
$userId	string	Id of integration user who wants to get

Example

$user = $twoFAS->addIntegrationUser($keyStorage, '5788b5e5002f0');

Response

Successful

Returns TwoFAS\Api\IntegrationUser object

Unsuccessful

Method can throw additional exceptions:

• IntegrationUserNotFoundException if there is no integration user with requested id

Exception 'TwoFAS\Api\Exception\IntegrationUserNotFoundException'
with message 'Integration user not found'

getIntegrationUserByExternalId

Used for get integration user from 2fas by your own id.

Parameters

Name	Type	Description
$keyStorage	KeyStorage	Your class to keep Key used in encrypt/decrypt data
$userExternalId	string	External id of integration user who wants to get

Example

$user = $twoFAS->getIntegrationUserByExternalId($keyStorage, '468');

Response

Successful

Returns TwoFAS\Api\IntegrationUser object

Unsuccessful

Method can throw additional exceptions:

• IntegrationUserNotFoundException if there is no integration user with requested id

Exception 'TwoFAS\Api\Exception\IntegrationUserNotFoundException'
with message 'Integration user not found'

addIntegrationUser

Used for add integration user to 2fas.

Parameters

Name	Type	Description
$keyStorage	KeyStorage	Your class to keep Key used in encrypt/decrypt data
$user	IntegrationUser	User who want to add to 2fas

Example

$user = new IntegrationUser();
$user
    ->setActiveMethod('totp')
    ->setTotpSecret('...')
    //...
$user = $twoFAS->addIntegrationUser($keyStorage, $user);

Response

Successful

Returns TwoFAS\Api\IntegrationUser object

Unsuccessful

Method can throw additional exceptions:

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

updateIntegrationUser

Used for update integration user in 2fas.

Parameters

Name	Type	Description
$keyStorage	KeyStorage	Your class to keep Key used in encrypt/decrypt data
$user	IntegrationUser	User who want to update in 2fas

Example

$user = $twoFAS->getIntegrationUserByExternalId($keyStorage, '468');
$user
    ->setActiveMethod('totp')
    ->setTotpSecret('...')
    //...
$user = $twoFAS->updateIntegrationUser($keyStorage, $user);

Response

Successful

Returns TwoFAS\Api\IntegrationUser object

Unsuccessful

Method can throw additional exceptions:

• IntegrationUserNotFoundException if there is no integration user with requested id

Exception 'TwoFAS\Api\Exception\IntegrationUserNotFoundException'
with message 'Integration user not found'

• ValidationException if you send invalid data in request more

Exception 'TwoFAS\Api\Exception\ValidationException'
with message 'Validation exception'

deleteIntegrationUser

Used for delete integration user from 2fas.

Parameters

Name	Type	Description
$userId	string	Id of integration user who wants to delete

Example

$user = $twoFAS->deleteIntegrationUser('5788b5e5002f0');

Response

Successful

Returns boolean (true)

Unsuccessful

Method can throw additional exceptions:

• IntegrationUserNotFoundException if there is no integration user with requested id

Exception 'TwoFAS\Api\Exception\IntegrationUserNotFoundException'
with message 'Integration user not found'

regenerateBackupCodes

Used for generating new backup codes for Integration Users

Parameters

Name	Type	Description
$user	IntegrationUser	User who want to get new backup codes

Example

$backupCodes = $twoFAS->regenerateBackupCodes($user);

Response

Successful

Returns TwoFAS\Api\BackupCodesCollection object

getStatistics

Used for displaying Statistics.

Example

$statistics = $twoFAS->getStatistics();

if ($statistics->getTotal() > 10) {

}

Response

Successful

Returns Statistics.

Helpers

QrCodeGenerator

QrCodeGenerator object generates base64 encoded image of QR code, that can be easily displayed for user to scan it with smartphone.

Methods

Name	Type	Description
generateBase64($text)	string	Returns base64 encoded image

Usage

$qrGen = new QrCodeGenerator(QrClientFactory::getInstance());
$qrCode = $qrGen->generateBase64($userSecret);

Dates

Dates object helps converting API date to DateTime object with correct time and timezone.

Methods

Name	Type	Description
convertUTCFormatToLocal($date)	DateTime	Converts date format to DateTime

Usage

$date     = '2017-01-18 14:21:51';
$dateTime = Dates::convertUTCFormatToLocal($date);

Objects

IntegrationUser

IntegrationUser object is returned by getIntegrationUser method.

It is an Entity with methods:

Methods

Name	Type	Description
getId()	string	id
getExternalId()	string	external id
getActiveMethod()	string	active method
getPhoneNumber()	string	phone number
getTotpSecret()	string	totp secret
getEmail()	string	email
getMobileSecret()	string	mobile secret
getBackupCodesCount()	string	backup codes count
hasMobileUser()	bool	mobile user state

Usage

$user->getId();
$user->getPhoneNumber();
//...

FormattedNumber

FormattedNumber object is returned by formatNumber method.

It is a Value Object with one method:

Methods

Name	Type	Description
phoneNumber()	string	Formatted phone number

Usage

$formattedNumber->phoneNumber();

Code interface

Code object is returned by checkCode method.

It is a Value Object with three methods:

Methods

Name	Type	Description
authentications()	array	Array of authentication ids
accepted()	boolean	Result of code checking
canRetry()	boolean	Ability to use same ids again

Usage

$code->accepted();
$code->authentications();
$code->canRetry();

Authentication

Authentication object is returned by:

• requestAuth
• requestAuthViaSms
• requestAuthViaCall
• requestAuthViaEmail
• requestAuthViaTotp

It is an Entity with methods:

Methods

Name	Type	Description
id()	string	Authentication id
createdAt()	DateTime	Date of creation (in local timezone)
validTo()	DateTime	Date of end of validity (in local timezone)
isValid()	bool	Validity date check

Usage

$authentication->id();
$authentication->createdAt();
$authentication->validTo();
$authentication->isValid();

Authentication Collection

Authentication Collection object is required by checkCode method.

Methods

Name	Type	Description
add($authentication)	void	Adds Authentication to collection
getIds()	array	Returns array of authentications ids

Usage

$authenticationCollection->add($authentication);

BackupCode

BackupCode object is returned in collection by:

• regenerateBackupCodes

It is an Entity with method:

Methods

Name	Type	Description
code()	string	code

Usage

$backupCode->code();

Backup Codes Collection

Backup Codes Collection object is a result of regenerateBackupCodes method.

Methods

Name	Type	Description
add($code)	void	Adds BackupCode to collection
getCodes()	array	Returns array of backup codes

Usage

$codesArray = $backupCodesCollection->getCodes();

Statistics

Statistics object is returned by:

• getStatistics

It is an Entity with methods:

Methods

Name	Type	Description
getAll()	string	array of all available statistics
getTotal()	string	count of users

Usage

$statistics->getTotal();

More about exceptions

more ValidationException

Validation exceptions may contain multiple keys and rules. For simplicity of integrating this exception has few methods:

Methods

Name	Type	Description
getErrors()	array	Returns all errors as constants
getError($key)	array or null	Returns all failing rules for key (as constants), or null if key passes validation
getBareError($key)	array or null	Returns all failing rules for key (as bare strings), or null if key passes validation
hasKey($key)	boolean	Check if certain field failed validation
hasError($key, $rule)	boolean	Check if certain key failed specified rule