Face Login
Face Login
Prerequisites
- User has to be an approved customer by doing a complete onboarding flow.
Initialize IncdOnboarding SDK
Add the following line of code to your AppDelegate
class:
IncdOnboardingManager.shared.initIncdOnboarding(url: url, apiKey: apiKey)
url
and apiKey
will be provided to you by Incode.
If you're running the app on a simulator, please set the testMode
parameter to true.
1:N Face Login - Identify a user
1:N Face login is suitable if you would like to identify a user by doing a face scan.
This will do a face match comparison across your whole user database and check if the face corresponds to any of the approved users. In case system detects a couple of similar faces it will peform step-up authenication, so that user can confirm the identity by entering requested code.
To execute 1:N Face Login call startFaceLogin
method:
IncdOnboardingManager.shared.presentingViewController = self
IncdOnboardingManager.shared.startFaceLogin() { result in
guard let loginResult = result.faceLoginResult else {
// Some error occured
print(result.error)
return
}
if loginResult.success == true {
// Face auth successful
let customerUUID = loginResult.customerUUID
let token = loginResult.token
let interviewId = loginResult.interviewId
} else {
if result.spoofAttempt == true {
// Liveness failed
} else {
// User's face not found
}
}
}
1:1 Face Login - Verify Face for a specific user
1:1 Face Login is suitable if you want do a Face authentication for a specific user that is already pre-authorized, meaning you already have his customer UUID and want to only know if this exact person is trying to authenticate.
IncdOnboardingManager.shared.presentingViewController = self
IncdOnboardingManager.shared.startFaceLogin(customerUUID: "YOUR_CUSTOMER_ID") { result in
guard let loginResult = result.faceLoginResult else {
// Some error occured
print(result.error)
return
}
if loginResult.success == true {
// Face auth successful
let customerUUID = loginResult.customerUUID
let token = loginResult.token
let interviewId = loginResult.interviewId
} else {
if result.spoofAttempt == true {
// Liveness failed
} else {
// User's face not found
}
}
}
Face Login result
Resulting SelfieScanResult
object will have:
faceLoginResult
-FaceLoginResult
object that contains:success
- True if face login was successful, false otherwise.customerUUID
- Customer UUID of the matched user, nil otherwise.token
- Customer token of the matched user, nil oterhwise.interviewId
- Session interviewId from which the user got approved.interviewToken
- Session interviewToken which was used during user approval.transactionId
- Transaction ID of the face login attempt.
spoofAttempt
- Specifies if it was a spoof attempt or notimage
- Selfie image taken during Selfie scan steperror
-SelfieScanError
that describes the error that happened during face login
Login parametrization
By default Face Login will do a liveness check and face match on the server, and we highly suggest switching to on-device liveness check and face match in order to improve the speed of Face Login and reduce network traffic, which is particulary important for devices that can have unstable network connection.
To switch to on-device liveness check please specify FaceAuthMode.hybrid
via faceAuthMode
param of the startFaceLogin
method:
IncdOnboardingManager.shared.presentingViewController = self
IncdOnboardingManager.shared.startFaceLogin(faceAuthMode: .hybrid) { result in
...
}
To switch to both on-device liveness check and face match please specify FaceAuthMode.local
via faceAuthMode
param of the startFaceLogin
method:
IncdOnboardingManager.shared.presentingViewController = self
IncdOnboardingManager.shared.startFaceLogin(faceAuthMode: .local) { result in
...
}
NOTE: FaceAuthMode.hybrid
and FaceAuthMode.local
require specific Onboarding SDK frameworks with FaceAuth models included. If using cocoapods specify l
variant, ie. 5.5.0-d-l
.
Other parameters:
showTutorials
: Show tutorials how to capture selfie before the actual scan.true
by default.faceAuthModeFallback
- Specifytrue
if you would want to do aFaceAuthMode.server
face login in caseFaceAuthMode.local
couldn't be performed due to missing face template on the device. This is applied only to 1:1 Face login.lensesCheck
: Set to false if you would like to disable lenses detection during selfie scan.true
by default.faceMaskCheck
: Specifytrue
to enable face mask check detection during face capture.false
by default.brightnessThreshold
: Adjust minimum requirements for a well lit face during capture. Increasing the value will be more restrictive and require better lighting conditions, decreasing the value will lossen requirements and allow capturing while being in a darker environment. Set 0 to ignore this setting. 50 by default.logAuthenticationEnabled
: Specifyfalse
to disable sending liveness statistics after a login attempt.true
by default.customLogo
: Specify a custom logo to display during face capture step. If not specified use default logo.
Manipulating locally stored identities
To be able to authenticate multiple users using 1:N and FaceAuhtMode.local
mode you'll need to add these users to the local database. This section will describe which methods you can use to perform CRUD operations with locally stored identities.
Add Face
To add a single identity to the local dabtase, use addFace
method and provide a FaceInfo
object, that contains:
faceTemplate
: String -> biometric representation of a user's facecustomerUUID
: String -> unique customer identifer in Incode's databasetemplateId
: String -> unique identifier of a biometric representation of a user's face in Incode's database
let face = FaceInfo(faceTemplate: template,
customerUUID: uuid,
templateId: templateId)
IncdOnboardingManager.shared.addFace(face)
Remove Face
To remove a single identity from the local database use removeFace
method and provide a customerUUID
:
IncdOnboardingManager.shared.removeFace(customerUUID: customerUUID)
Get faces
To fetch all currently stored identities use getFaces
method.
var identities: [FaceInfo] = IncdOnboardingManager.shared.getFaces()
Set multiple faces
To add multiple identities at once you can use setFaces
method and provide a list of FaceInfo
objects, but keep in mind it will firstly wipe out all currently stored identities.
IncdOnboardingManager.shared.setFaces(faceInfoList)
Clear face database
To clear local database use setFaces
method and provide empty FaceInfo
list of objects.
IncdOnboardingManager.shared.setFaces([])
Updated 6 months ago