React Native
The /payments
response contains a JWT
, URL
and BIN
.
A SessionId
representing this collection is then used as part of the risk analysis by the issuer.
If you do not provide a collectionReference
, you will see an increased number of challenged
and even authenticationFailure
outcomes.
Device Data Collection (DDC)
The device data process for React Native uses:
- a hidden WebView
- an HTML page responsible for interfacing the HTML/JavaScript layer with the React Native layer
- an iframe, embedded in the HTML page
- a secondary HTML page, loaded via the iframe, and used to kickstart the Device Data Collection
- Install and link the React Native
WebView
component in your application.
# 1. Install dependency npm install react-native-webview # 2. Link dependency using your preferred method react-native link react-native-webview # 3. Ee-install pods cd ios pod install
- Add a hidden
WebView
in your React Native application with the source pointing to the HTML page created in the next step. Also, add an event listener for themessage
event which will be used to catch messages sent from the HTML layer to the React Native layer.
<WebView source={{ uri: 'replace-this-with-the-url-of-the-html-page-that-wraps-the-iframe' }} onMessage={(event) => { // deserialising and extracting JSON data from the event console.info(JSON.parse(event.nativeEvent.data)); }} containerStyle={{ position: 'absolute', width: 0, height: 0 }} />
- Create and host the HTML page which will be used to interface the HTML/JavaScript layer with the React Native layer.
<html lang="en"> <head></head> <body> </body> </html>
- Add a script to the HTML page to relay messages, received by
postMessage()
in the HTML page, to the React Native layer.
<script language="JavaScript"> window.onmessage = (event) => { // for Try: https://centinelapistag.cardinalcommerce.com // for Production: https://centinelapi.cardinalcommerce.com const allowedOrigin = '...'; // Always verify that the message received is from the expected origin if (event.origin !== allowedOrigin) { return; } // the event data must be serialised into a string window.ReactNativeWebView.postMessage(JSON.stringify(event.data)); }; </script>
- Add an iframe to the HTML page and set the
src
attribute to the URL of the page that will POST the DDC form. This URL should contain the following query string parameters:deviceDataCollection.jwt
,deviceDataCollection.bin
anddeviceDataCollection.url
. Those will be used in the DDC form.
<iframe src="replace-this-with-the-url-of-your-page-that-posts-the-ddc-form"></iframe>
- Create and host the secondary HTML page that POSTs the DDC form.
<html> <body> <!-- Using your preferred programming language, set the 'action' attribute with the value of the query string parameter containing the 'deviceDataCollection.url' from the device data initialization response --> <form id="collectionForm" name="devicedata" method="POST" action="https://ddcUrl.example.com"> <!-- Using your preferred programming language, set the 'value' attribute with the value of the query string parameter containing the 'deviceDataCollection.bin' from the device data initialization response --> <input type="hidden" name="Bin" value="555555" /> <!-- Using your preferred programming language, set the 'value' attribute with the value of the query string parameter containing the 'deviceDataCollection.jwt' from the device data initialization response --> <input type="hidden" name="JWT" value="eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJPcmdVbml0SWQiOiJPcmdVbml0IiwiaXNzIjoiYXBpSWQiLCJleHAiOjE1NjI5MjMzNDYsImlhdCI6MTU2MjkyMzQwNiwianRpIjoiYTAzMWVhOGEtN2E0Zi00YTQwLWI1NjMtOTUzMzYzMzVhZGNmIn0.0IK74OIXBxFsxqeOURJz1TFnz14ZTbFJTdTWo9cHUJQ" /> </form> <script> window.onload = function() { document.getElementById('collectionForm').submit(); } </script> </body> </html>
Test device data form
The form below allows you to submit the 3DS device data details provided in the API response. You then receive the sessionId/collectionReference, back in the postMessage, for use in the 3dsDeviceData request. This is useful if using tools such as postman/insomnia to test your integration.
Device Data Collection postMessage
Once the DDC form is submitted and is successfully sent to the card issuer, you are notified via a postMessage event.
For security, verify the sender's identity using the postMessage origin
property as detailed here.
Environment | Origin |
---|---|
Try | https://centinelapistag.cardinalcommerce.com |
Production | https://centinelapi.cardinalcommerce.com |
An example postMessage response:
{ "MessageType": "profile.completed", "SessionId": "0_3XXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXX6b5", "Status": true }
Key | Value |
---|---|
messageType | profile.completed |
SessionId | UUID, not present or undefined |
Status |
|
The DDC call typically takes 1-2 seconds. This depends on the latency between the customer's device, the Cardinal servers and, in part, the type of Device Data Collection performed by the different issuers. The 3DS specification has a maximum response time of 10 seconds.
If no postMessage is provided either retry DDC or send the 3dsDeviceData request without the collectionReference
. We highly recommend providing device data (e.g. browserScreenHeight) in the payment request as well. This will maximize authentication rates in the case of DDC failure.
Full integration example code
# 1. Install dependency npm install react-native-webview # 2. Link dependency using your preferred method react-native link react-native-webview # 3. Ee-install pods cd ios pod install
Continue with the payment
Once device data has been completed post to /3dsDeviceData
to resume the payment
Challenge display and verification
Use the following parameters from the 3dsDeviceData response:
challenge.reference
challenge.url
challenge.jwt
The content within the iframe is from the issuing bank. The bank performs an identity check on your customer.
Optional MD field
Pass data specific to your checkout session and it will be echoed back in the challenge.returnUrl
originally provided in the payment request. This could, for example, be a checkout sessionId. Any value provided must be URL encoded with a maximum of 1024 characters.
Challenge display
The challenge display for React Native uses:
- a WebView
- a mobile-friendly HTML page
- a fullscreen iframe, embedded in the mobile-friendly HTML page, used to display the challenge page to the end user
- a secondary HTML page, loaded via the iframe, and used to kickstart the challenge display
- Install and link the React Native
WebView
component in your application.
# 1. Install dependency npm install react-native-webview # 2. Link dependency using your preferred method react-native link react-native-webview # 3. Ee-install pods cd ios pod install
- Add a WebView in your React Native application with the source pointing to the HTML page created in the next step.
<WebView source={{ uri: 'replace-this-with-the-url-of-the-mobile-friendly-page' }} />
- Create and host the mobile-friendly HTML page.
<html lang="en"> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body style="margin: 0"> </body> </html>
- Add a fullscreen iframe to the HTML page and set the
src
attribute to the URL of the page that will POST the challenge form.
<iframe src="replace-this-with-the-url-of-your-page-that-posts-the-challenge-form" width="100%" height="100%" style="height: 100%; width: 100%; border-width: 0"> </iframe>
- Create and host the secondary HTML page that POSTs the challenge form.
<html> <head> </head> <body> <!-- Using your preferred programming language, set the 'action' attribute with the value of the query string parameter containing the 'challenge.url' from the authentication response --> <form id="challengeForm" method= "POST" action="https://challengeUrl.example.com"> <!-- Using your preferred programming language, set the 'value' attribute with the value of the query string parameter containing the 'challenge.jwt' from the authentication response --> <input type = "hidden" name= "JWT" value= "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI1NDQzOGIzYS1iYjUzLTEyY2QtODY0My0xNTM2YmU3M2ZmMzUiLCJpYXQiOiIzODU2NzI5NDgyIiwiaXNzIjoiNWJkOWUwZTQ0NDRkY2UxNTM0MjhjOTQwIiwiT3JnVW5pdElkIjoiNWJkOWI1NWU0NDQ0NzYxYWMwYWYxYzgwIiwiUmV0dXJuVXJsIjoiaHR0cDovL21lcmNoYW50LmV4YW1wbGUuY29tL3RocmVlZHNjaGFsbGVuZ2Vjb21wbGV0ZSIsIlBheWxvYWQiOnsiQUNTVXJsIjoiaHR0cHM6Ly9hY3MuZXhhbXBsZS5jb20vM2RzMi9jaGFsbGVuZ2U_aWQ9MTIzNDU2Nzg5IiwiUGF5bG9hZCI6IlZHaHBjeUJwY3lCaElHSmhjMlVnTmpRZ1pXNWpiMlJsWkNCbGVHRnRjR3hsSUc5bUlHRWdNMFJUSUNKd1lYbHNiMkZrSWc9PSIsIlRyYW5zYWN0aW9uSWQiOiJzUk1QV0NRb1FyRWlWeGVoVG51MCJ9LCJPYmplY3RpZnlQYXlsb2FkIjp0cnVlfQ.3Dqjr5MuEC9AG7uvsJCft94-d70NmgR94zIeru8fAYE" /> <!-- Optional field (max 1024 characters) for you to pass url parameters in the challenge form that will be included/echoed in the response url (`challenge.returnUrl`) after the challenge is complete --> <input type="hidden" name="MD" value="merchantSessionId=1234567890" /> </form> <script> window.onload = function() { // Auto submit form on page load document.getElementById('challengeForm').submit(); } </script> </body> </html>
In addition, after the challenge is completed, if you wish to relay a message, you have sent by postMessage()
to your mobile-friendly page, to the React Native layer:
- Use the following JavaScript in your mobile-friendly page to relay the message to React Native.
<script language="JavaScript"> window.onmessage = (event) => { // Always verify that the message received is from the expected origin if (event.origin !== '...') { return; } // the function below uses a tring, so if you wish to send JSON // make sure to serialise it using JSON.stringify() window.ReactNativeWebView.postMessage(event.data); }; </script>
- Add an event listener for the
message
event on yourWebView
.
<WebView source={{ uri: 'replace-this-with-the-url-of-the-mobile-friendly-page' }} onMessage={(event) => { // extracting data (string) from the event console.info(event.nativeEvent.data); }} />
Test challenge form
The form below allows you to submit the 3DS challenge details provided in the API response and display the issuer challenge. This is useful if using tools such as postman/insomnia to test your integration.
Full integration example code
# 1. Install dependency npm install react-native-webview # 2. Link dependency using your preferred method react-native link react-native-webview # 3. Ee-install pods cd ios pod install
Continue with the payment
Once the challenge form has been completed, POST to /3dsChallenges
to resume the payment
If everything is fine the payment will proceed. You could receive the following two outcomes if the authentication has failed or a downstream error means the authentication details were not returned (unavailable).
{ "transactionReference": "05651339-d94e-4fdd-82e9-a41d3df47c7d", "outcome": "3dsAuthenticationFailed", "authentication": { "version": "2.1.0", "eci": "07", "transactionId": "ec89944d-c5b1-4d4b-b39a-a2dc80dd5565" } }
Outcome details
In the final payment response a summary of the 3DS authentication is included.
... "threeDS": { "outcome": "authenticated", "issuerResponse": "frictionless" } ...