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cordova-plugin-onyx

v5.2.1

Published

Cordova plugin to use ONYX

Downloads

94

Readme

This is not free software. This plugin uses the Onyx sofware development kits (SDKs) for Android and iOS. It requires a license agreement with:

Diamond Fortress Technologies, Inc.

cordova-plugin-onyx

This plugin defines a global navigator.onyx object, which provides an API for capturing a fingerprint image, for in-app fingerprint enrollment and verification, and for fingerprint template generation for server side fingerprint authentication.

Although the object is attached to the global scoped navigator, it is not available until after the deviceready event.

document.addEventListener("deviceready", onDeviceReady, false);
function onDeviceReady() {
    console.log(navigator.onyx);
}

Installation

Contact Diamond Fortress Technologies, Inc. and sign a license agreement to obtain a license key.

This requires cordova 5.0+

cordova plugin add cordova-plugin-onyx
meteor add cordova:[email protected]

Additonal steps for iOS

Run the app for a device to build the app. From your meteor project directory

meteor run ios-device

Install the CocoaPod dependencies Open a terminal and navigate to the folder containing the project that was just created. From your meteor project directory

cd .meteor/local/cordova-build/platforms/ios/

pod install

Then open the project .xcworkspace file to run the app on an iOS device from XCode.

Quick Use Example

MeteorJS applications

Create a settings.json file to load at runtime.

{
    "public": {
        "onyxLicense": "xxxx-xxxx-xxxx-x-x"
    }
}

Reference the Onyx license when you execute an Onyx action.

var onyxOptions = {
    onyxLicense = Meteor.settings.public.onyxLicense;
    action = Onyx.ACTION.CAPTURE;
}
navigator.onyx.exec(onyxOptions, onyxSuccessCallback, onyxErrorCallback);

Run the application on a mobile device

meteor run android-device --settings settings.json

API Reference


onyx

onyx.exec(options, successCallback, errorCallback)

Executes onyx with the specified options.

Supported Platforms

  • Android
  • iOS

Kind: static method of [onyx](#module_onyx)

| Param | Type | Description | | --- | --- | --- | | options | [OnyxOptions](#module_onyx.OnyxOptions) | Parameters telling onyx what to execute. | | successCallback | [onSuccess](#module_onyx.onSuccess) | | | errorCallback | [onError](#module_onyx.onError) | |

Example

navigator.onyx.exec(onyxOptions, onyxSuccess, onyxError);

onyx.onError : function

Callback function that provides an error message.

Kind: static typedef of [onyx](#module_onyx)

| Param | Type | Description | | --- | --- | --- | | error | Object | An error object containing an error code and message. |

onyx.onSuccess : function

Callback function that provides the image data.

Kind: static typedef of [onyx](#module_onyx)

| Param | Type | Description | | --- | --- | --- | | onyxResult | [onyx](#module_onyx.OnyxResult) | Object containing the results of the executed action. |

Example

// Display an image of the processed fingerprint
function onyxSuccess(onyxResult) {
    if (onyxResult.action === Onyx.ACTION.CAPTURE) {
        var image = document.getElementById('myImage');
           image.src = onyxResult.processedFingerprintDataUri;    
    }
}

Onyx

Onyx.OnyxOptions : JSON Object

Optional parameters to customize onyx configuration.

Kind: static typedef of [onyx](#module_onyx)
Properties

| Name | Type | Default | Platform | Description | | --- | --- | --- | --- | --- | | onyxLicense | string | xxxx-xxxx-xxxx-x-x | Both | Required Your license key for Onyx. | | action | [Action](#module_Onyx.ACTION) | undefined | Both | Required Choose the action for onyx to execute. | | returnRawImage | boolean | false | Both | Indicates if the raw fingerprint image will be returned. | | returnGrayRawImage | boolean | false | iOS | Indicates if the gray raw fingerprint image will be returned.| | returnProcessedImage | boolean | false | Both | Indicates if the processed fingerprint image will be returned. | | returnEnhancedImage | boolean | false | Both | Indicates if the enhanced fingerprint image will be returned. | | returnBlackWhiteProcessedImage | boolean | false | iOS | Indicates if the black and white processed fingerprint image will be returned. | | returnFingerprintTemplate | boolean | false | Both | Indicates if the base64 encoded fingerprint template will be returned. | | returnWSQ | boolean | false | Both | Indicates if the base64 encoded WSQ fingerprint will be returned. | | returnGrayRawWSQ | boolean | false | iOS | Indicates if the base64 encoded gray raw WSQ fingerprint will be returned. | | shouldSegment | boolean | false | Android | Indicates if the fingerprint image should be segmented to remove background noise from the fingerprint image.| | shouldConvertToISOTemplate | boolean | false | Android | Indicates that the fingerprint template should be returned in ISO format.| | imageRotation | number | IMAGE_ROTATION.NONE | Both | Integer value of 90 degrees (0, 90, 180, or 270) to rotate the fingerprint image output. | | fingerDetectMode | number | FINGER_DETECT_MODE.LIVE_FINGER | Both | Integer value of 0 or 1. Determines threshold level of finger coloration for autocapture. | | wholeFingerCrop | boolean | false | Android | Will crop less of the image to return more of the fingerprint. | | useManualCapture | boolean | false | Both | Disables the auto-capture feature. User must tap the screen to trigger capture.| | useOnyxLive | boolean | false | Both | Will send the raw fingerprint image to the Onyx Liveness service to receive a liveness confidence score.| | useFlash | boolean | true | Both | Sets the flash to torch mode to illuminate the finger and help determine alignment with the reticle. | | showLoadingSpinner | boolean | false | Both | Shows a loading spinner while Onyx is doing asynchronous requests before the capture screen is presented.| | reticleOrientation | string | RETICLE_ORIENTATION.LEFT | Both | Sets the direction of the finger reticle on the capture screen. | | reticleAngle | number | 0 | Android | Requires LAYOUT_PREFERENCE.FULLInteger value.Adjusts the angle of the finger reticle. | | reticleScale | number | 1.0 | Android | Float value from 0 to 1.Adjusts the scale of the finger reticle. | | backgroundColorHexString | string | #3698D3 | Both | Hex color value for the background color of the bottom two-thirds of the capture screen.| | showBackButton | boolean | false | Android | Displays a back button on the capture screen.| | backButtonText | string | "Back" | Both | Set text to use for back button (localization).| | showManualCaptureText | boolean | true | Both | Show or hide the manual capture text.| | manualCaptureText | string | "Touch the screen to capture." | Both | Set custom text to use for manual capture (localization). | | infoText | string | undefined | Both | Set custom text to display on the capture screen.| | infoTextColorHexString | string | undefined | Both | Set the color of the text to display on the capture screen. Defaults to black or white depending on the tint of backgroundColorHexString | | base64ImageData | string | undefined | Both | Base64 encoded data string of image to display on the capture screen. | | cropFactor | float | 0.8| Both | Adjusts the zoom level of the fingerprint image. Higher numbers increase the zoom level.| | cropSize | JSON Object{width: number, height: number} | width: 512height: 300 | Both | Sets the dimensions of the fingerprint image. | | layoutPreference | string | LAYOUT_PREFERENCE.UPPER_THIRD | Both | Sets the display of the camera view.| | probe | string | undefined | Both | Required for Onyx.ACTION.MATCHBase64 encoded WSQ data to match against a reference fingerprint template. | | reference | string | undefined | Both | Required for Onyx.ACTION.MATCHBase64 encoded fingerprint template to match against a probe fingerprint template. | | pyramidScales | Array<string> | ["0.8", "1.0", "1.2"] | Both | Optional for Onyx.ACTION.MATCHArray of string representations of float values for image pyramiding during matching. |

Example Interface

export interface IOnyxConfiguration {
  action?: string,
  onyxLicense?: string,
  returnRawImage?: boolean,
  returnGrayRawImage?: boolean,
  returnProcessedImage?: boolean,
  returnEnhancedImage?: boolean,
  returnBlackWhiteProcessedImage?: boolean,
  returnFingerprintTemplate?: boolean,
  returnWSQ?: boolean,
  returnGrayRawWSQ?: boolean,
  shouldSegment?: boolean,
  shouldConvertToISOTemplate?: boolean,
  imageRotation?: number,
  fingerDetectMode?: number,
  wholeFingerCrop?: boolean,
  useManualCapture?: boolean,
  useOnyxLive?: boolean,
  useFlash?: boolean,
  showLoadingSpinner?: boolean,
  reticleOrientation?: string,
  reticleAngle?: number,
  reticleScale?: number,
  backgroundColorHexString?: string,
  showBackButton?: boolean,
  showManualCaptureText?: boolean,
  manualCaptureText?: string,
  backButtonText?: string,
  infoText?: string,
  infoTextColorHexString?: string,
  base64ImageData?: string,
  cropFactor?: number,
  cropSize?: { width?: number, height?: number },
  layoutPreference?: string,
  probe?: string,
  reference?: string,
  pyramidScales?: Array<string>
}

Onyx.ACTION : Enum

Kind: static constants for actions of [Onyx](#module_Onyx)
Properties

| Name | Type | Value | Description | | --- | --- | --- | --- | | CAPTURE | string | "capture" | Launches the Onyx Camera to capture a fingerprint and return an [OnyxResult](#module_onyx.OnyxResult) object. Requires OnyxOptions.onyxLicense| | MATCH | string | "match" | Performs on-device matching of the probe and reference fingerprint templates. Requires OnyxOptions.reference and OnyxOptions.probe |

Onyx.RETICLE_ORIENTATION : Enum

Kind: static constants for reticleOrientation of [OnyxOptions](#module_Onyx.OnyxOptions)
Properties

| Name | Type | Value | Description | | --- | --- | --- | --- | | LEFT | string | "LEFT"| defaultFinger reticle on the capture screen will be oriented for a left hand capture. | | RIGHT | string | "RIGHT"| Finger reticle on the capture screen will be oriented for a right hand capture. |

Onyx.LAYOUT_PREFERENCE : Enum

Kind: static constants for layoutPreference of [OnyxOptions](#module_Onyx.OnyxOptions)
Properties

| Name | Type | Value | Description | | --- | --- | --- | --- | | UPPER_THRID | string | "UPPER_THRID" | The camera view will only occupy the top third of the capture screen. | | FULL | string | "FULL" | The camera view will be full screen. |

Onyx.IMAGE_ROTATION : Enum

Kind: static constants for imageRotation of [OnyxOptions](#module_Onyx.OnyxOptions)
Properties

| Name | Type | Value | Description | | --- | --- | --- | --- | | ROTATE_NONE | number | 0| Default Does not rotate the image. | | ROTATE_90_COUNTER_CLOCKWISE | number | 90| Rotates the image 90 degrees counter clockwise. | | ROTATE_180 | number | 180| Rotates the image 180 degrees. | | ROTATE_90_CLOCKWISE | number | 270 | Rotates the image 90 degrees clockwise (270 degrees counter clockwise). |

Onyx.IMAGE_ROTATION : Enum

Kind: static constants for fingerDetectMode of [OnyxOptions](#module_Onyx.OnyxOptions)
Properties

| Name | Type | Value | Description | | --- | --- | --- | --- | | DEAD_FINGER | number | 0 | Color threshold for dead fingers. | | LIVE_FINGER | number | 1 | default Color threshold for live fingers. |

Onyx.OnyxResult : JSON Object

Results return by Onyx.

Kind: Return type of [onyx.onSuccess](#module_onyx.onSuccess)
Properties

| Name | Type | Description | | --- | --- | --- | | action | string | The Onyx.ACTION that was specified in the OnyxOptions | | rawFingerprintDataUri | string | DataUri prefixed, base64 encoded string representation of the raw fingerprint image. | | grayRawFingerprintDataUri | string | DataUri prefixed, base64 encoded string representation of the gray raw fingerprint image. | | processedFingerprintDataUri | string | DataUri prefixed, base64 encoded string representation of the processed fingerprint image. | | enhancedFingerprintDataUri | string | DataUri prefixed, base64 encoded string representation of the enhanced fingerprint image. | | blackWhiteProcessedFingerprintDataUri | string | DataUri prefixed, base64 encoded string representation of the black and white processed fingerprint image. | | base64EncodedWsqBytes | string | Base64 encoded bytes of the WSQ fingerprint image. | | base64EncodedGrayRawWsqBytes | string | Base64 encoded bytes of the gray raw WSQ fingerprint image. | | base64EncodedFingerprintTemplate | string | Base64 encoded bytes of the fingerprint template. | | captureMetrics | [Onyx.CaptureMetrics](#module_Onyx.CaptureMetrics) | JSON Object containing the capture metrics. | | isVerified | boolean | Indicates if the proble fingerprint template matched the reference fingerprint template | | matchScore | number | Match score of the compared probe and reference fingerprint templates. |

Example Interface

export interface IOnyxResult {
    action?: string,
    rawFingerprintDataUri?: string,
    grayRawFingerprintDataUri?: string,
    processedFingerprintDataUri?: string,
    enhancedFingerprintDataUri?: string,
    blackWhiteProcessedFingerprintDataUri?: string,
    base64EncodedFingerprintTemplate?: string,
    base64EncodedWsqBytes?: string,
    base64EncodedGrayRawWsqBytes?: string,
    captureMetrics?: {
        nfiqMetrics?: {
            nfiqScore?: number,
            mlpScore?: number
        },
        livenessConfidence?: number,
        focusQuality?: number,
        distanceToCenter?: number,
        fillProperties?: {
            heightRatio?: number,
            overlapRatio?: number
        }
    },
    isVerified?: boolean,
    matchScore?: number
}

Onyx.CaptureMetrics : JSON Object

Kind: static typedef for [Onyx](#module_Onyx)
Properties

| Name | Type | Description | | --- | --- | --- | | nfiqMetrics | [Onyx.NfiqMetrics](#module_Onyx.NfiqMetrics) | JSON Object containing the NFIQ Metrics of nfiqScore and mlpScore. | | livenessConfidence | number | Float value 0 - 1 indicating the percent confidence that the image captured was a real live fingerprint. Greater than 0.5 (50%) would suggest the finger was more real than fake. Less than 0.5 (50%) would suggest the finger was more fake than real. | | focusQuality | number | | | distanceToCenter | number | | | fillProperties | [Onyx.FillProperties](#module_Onyx.FillProperties) | Android onlyJSON Object containg the fill properties of heightRatio and overlapRatio. |

Onyx.NfiqMetrics : JSON Object

Kind: static typedef for [Onyx](#module_Onyx)
Properties

| Name | Type | Description | | --- | --- | --- | | nfiqScore | number | NIST Fingerprint Image Quality. Integer value 1 - 5. A value of 5 being the lowest quality fingerprint image and should not be used for matching or saved as a biometric enrollment. | | mlpScore | number | Multi-Layer Perceptrons (MLP) Score is a float value from 0 - 1 describing the percent certainty of the NFIQ Score.|

Onyx.FillProperties : JSON Object

Kind: static typedef for [Onyx](#module_Onyx)
Properties

| Name | Type | Description | | --- | --- | --- | | heightRatio | number | | | overlapRatio | number | |