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Merge pull request #11 from processout/token
Add support for makeCardToken method + WebViews challenges
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168 changes: 168 additions & 0 deletions
168
processout-sdk/src/main/java/com/processout/processout_sdk/CustomerActionHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| package com.processout.processout_sdk; | ||
|
|
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| import android.app.Activity; | ||
| import android.content.Context; | ||
| import android.os.Handler; | ||
| import android.util.Base64; | ||
| import android.view.ViewGroup; | ||
| import android.webkit.WebResourceRequest; | ||
| import android.webkit.WebView; | ||
| import android.webkit.WebViewClient; | ||
| import android.widget.FrameLayout; | ||
|
|
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| import com.google.gson.Gson; | ||
| import com.processout.processout_sdk.POWebViews.ProcessOutWebView; | ||
| import com.processout.processout_sdk.POWebViews.WebViewCallback; | ||
| import com.processout.processout_sdk.ProcessOutExceptions.ProcessOutException; | ||
| import com.processout.processout_sdk.ProcessOutExceptions.ProcessOutWebException; | ||
|
|
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| import java.util.HashMap; | ||
| import java.util.concurrent.TimeUnit; | ||
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| class CustomerActionHandler { | ||
| private ThreeDSHandler handler; | ||
| private Context with; | ||
| private CustomerActionCallback callback; | ||
| private Gson gson = new Gson(); | ||
| private ProcessOutWebView processOutWebView; | ||
|
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| private final String ThreeDS2ChallengeSuccess = "gway_req_eyJib2R5Ijoie1widHJhbnNTdGF0dXNcIjpcIllcIn0ifQ=="; | ||
| private final String ThreeDS2ChallengeError = "gway_req_eyJib2R5Ijoie1widHJhbnNTdGF0dXNcIjpcIk5cIn0ifQ=="; | ||
|
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| public interface CustomerActionCallback { | ||
| void shouldContinue(String source); | ||
| } | ||
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| CustomerActionHandler(ThreeDSHandler handler, ProcessOutWebView processOutWebView, Context with, final CustomerActionCallback callback) { | ||
| this.handler = handler; | ||
| this.with = with; | ||
| this.callback = callback; | ||
| this.processOutWebView = processOutWebView; | ||
| } | ||
|
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| void handleCustomerAction(CustomerAction customerAction) { | ||
| switch (customerAction.getType()) { | ||
| case FINGERPRINT_MOBILE: | ||
| DirectoryServerData directoryServerData = gson.fromJson( | ||
| new String(Base64.decode(customerAction.getValue().getBytes(), Base64.NO_WRAP)), DirectoryServerData.class); | ||
| handler.doFingerprint(directoryServerData, new ThreeDSHandler.DoFingerprintCallback() { | ||
| @Override | ||
| public void continueCallback(ThreeDSFingerprintResponse request) { | ||
| MiscGatewayRequest gwayRequest = new MiscGatewayRequest(gson.toJson(request, ThreeDSFingerprintResponse.class)); | ||
| String jsonRequest = Base64.encodeToString(gson.toJson(gwayRequest, MiscGatewayRequest.class).getBytes(), Base64.NO_WRAP); | ||
| callback.shouldContinue("gway_req_" + jsonRequest); | ||
| } | ||
| }); | ||
| break; | ||
| case CHALLENGE_MOBILE: | ||
| AuthenticationChallengeData authentificationData = gson.fromJson | ||
| (new String(Base64.decode(customerAction.getValue().getBytes(), Base64.NO_WRAP)), AuthenticationChallengeData.class); | ||
| handler.doChallenge(authentificationData, new ThreeDSHandler.DoChallengeCallback() { | ||
| @Override | ||
| public void success() { | ||
| callback.shouldContinue(ThreeDS2ChallengeSuccess); | ||
| } | ||
|
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| @Override | ||
| public void error() { | ||
| callback.shouldContinue(ThreeDS2ChallengeError); | ||
| } | ||
| }); | ||
| break; | ||
| case REDIRECT: | ||
| case URL: | ||
| processOutWebView.setCallback(new WebViewCallback() { | ||
| @Override | ||
| public void onResult(String token) { | ||
| callback.shouldContinue(token); | ||
| } | ||
|
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| @Override | ||
| public void onAuthenticationError() { | ||
| handler.onError(new ProcessOutWebException("Web authentication failed")); | ||
| } | ||
| }); | ||
| handler.doPresentWebView(processOutWebView); | ||
| processOutWebView.loadUrl(customerAction.getValue()); | ||
| break; | ||
| case FINGERPRINT: | ||
| FrameLayout rootLayout = ((Activity) (with)).findViewById(android.R.id.content); | ||
|
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| // Building the possibly needed webView | ||
| final WebView FingerprintWebView = new WebView(this.with); | ||
| FingerprintWebView.getSettings().setUserAgentString("ProcessOut Android-Webview/" + ProcessOut.SDK_VERSION); | ||
| FingerprintWebView.getSettings().setJavaScriptEnabled(true); // enable javascript | ||
|
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| // Defining fallback request in case the fingerprint times out or is unavailable | ||
| final MiscGatewayRequest fallbackGwayRequest = new MiscGatewayRequest("{\"threeDS2FingerprintTimeout\":true}"); | ||
| fallbackGwayRequest.setURL(customerAction.getValue()); | ||
| HashMap<String, String> fallbackHeaders = new HashMap<String, String>(); | ||
| fallbackHeaders.put("Content-Type", "application/json"); | ||
| fallbackGwayRequest.setHeaders(fallbackHeaders); | ||
|
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| // Setup the timeout handler | ||
| final Handler timeOutHandler = new android.os.Handler(); | ||
| // Configuring the action on timeout | ||
| final Runnable fingerprintTimeoutClearer = new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| // Destroying the webview | ||
| destroyWebView(FingerprintWebView); | ||
| callback.shouldContinue(fallbackGwayRequest.generateToken()); | ||
| } | ||
| }; | ||
|
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| // Catch webview URL redirects | ||
| FingerprintWebView.setWebViewClient(new WebViewClient() { | ||
| @Override | ||
| public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) { | ||
| // Check if the current Android version is supporte | ||
| String token = null; | ||
|
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| // We cancel the timeout handler | ||
| timeOutHandler.removeCallbacks(fingerprintTimeoutClearer); | ||
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| if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) { | ||
| token = request.getUrl().getQueryParameter("token"); | ||
| } | ||
| if (token == null) { | ||
| // Android version not supported for fingerprinting | ||
| token = fallbackGwayRequest.generateToken(); | ||
| } | ||
| callback.shouldContinue(token); | ||
| return super.shouldOverrideUrlLoading(view, request); | ||
| } | ||
| }); | ||
|
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| // Start the timeout | ||
| timeOutHandler.postDelayed(fingerprintTimeoutClearer, TimeUnit.SECONDS.toMillis(10)); | ||
|
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| // Load the fingerprint URL | ||
| FingerprintWebView.loadUrl(customerAction.getValue()); | ||
|
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| // Add the webview to content | ||
| if (with instanceof Activity) { | ||
| // We perform the fingerprint by displaying the hidden webview | ||
| rootLayout.addView(FingerprintWebView); | ||
| } else { | ||
| // We can't instantiate the webview so fallback to default fingerprinting value | ||
| timeOutHandler.removeCallbacks(fingerprintTimeoutClearer); | ||
| callback.shouldContinue(fallbackGwayRequest.generateToken()); | ||
| } | ||
| break; | ||
| default: | ||
| handler.onError(new ProcessOutException("Unhandled threeDS action:" + customerAction.getType().name())); | ||
| break; | ||
| } | ||
| } | ||
|
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| private void destroyWebView(WebView webView) { | ||
| // Preparing the webview removal | ||
| ((ViewGroup) webView.getParent()).removeView(webView); | ||
| webView.removeAllViews(); | ||
| webView.clearHistory(); | ||
| webView.clearCache(true); | ||
| webView.onPause(); | ||
| webView.destroy(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -6,5 +6,6 @@ | |
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| public interface CvcUpdateCallback { | ||
| public void onSuccess(); | ||
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| public void onError(Exception error); | ||
| } | ||
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21 changes: 21 additions & 0 deletions
21
processout-sdk/src/main/java/com/processout/processout_sdk/POWebViews/CardTokenWebView.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| package com.processout.processout_sdk.POWebViews; | ||
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| import android.content.Context; | ||
| import android.net.Uri; | ||
|
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| public class CardTokenWebView extends ProcessOutWebView { | ||
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| public CardTokenWebView(Context context) { | ||
| super(context); | ||
| } | ||
|
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| @Override | ||
| void onRedirect(Uri uri) { | ||
| // Configuring the webview | ||
| String token = uri.getQueryParameter("token"); | ||
| if (token != null) { | ||
| // Destroying the webview | ||
| callback.onResult(token); | ||
| } | ||
| } | ||
| } |
25 changes: 25 additions & 0 deletions
25
processout-sdk/src/main/java/com/processout/processout_sdk/POWebViews/PaymentWebView.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package com.processout.processout_sdk.POWebViews; | ||
|
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| import android.content.Context; | ||
| import android.net.Uri; | ||
|
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| public class PaymentWebView extends ProcessOutWebView { | ||
|
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| public PaymentWebView(Context context) { | ||
| super(context); | ||
| } | ||
|
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| @Override | ||
| void onRedirect(Uri uri) { | ||
| // Configuring the webview | ||
| String token = uri.getQueryParameter("token"); | ||
|
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| if (token != null) { | ||
| // Destroying the webview | ||
| callback.onResult(token); | ||
| return; | ||
| } | ||
|
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| callback.onAuthenticationError(); | ||
| } | ||
| } |
38 changes: 38 additions & 0 deletions
38
processout-sdk/src/main/java/com/processout/processout_sdk/POWebViews/ProcessOutWebView.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package com.processout.processout_sdk.POWebViews; | ||
|
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| import android.content.Context; | ||
| import android.graphics.Bitmap; | ||
| import android.net.Uri; | ||
| import android.webkit.WebView; | ||
| import android.webkit.WebViewClient; | ||
|
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| import com.processout.processout_sdk.ProcessOut; | ||
|
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| public abstract class ProcessOutWebView extends WebView { | ||
|
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| final private String REDIRECT_URL_PATTERN = "https:\\/\\/checkout\\.processout\\.(ninja|com)\\/helpers\\/mobile-processout-webview-landing.*"; | ||
| protected WebViewCallback callback; | ||
|
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| public ProcessOutWebView(Context context) { | ||
| super(context); | ||
| this.getSettings().setUserAgentString("ProcessOut Android-Webview/" + ProcessOut.SDK_VERSION); | ||
| this.getSettings().setJavaScriptEnabled(true); // enable javascript | ||
|
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| // Catch URL loading | ||
| final ProcessOutWebView instance = this; | ||
| setWebViewClient(new WebViewClient() { | ||
| @Override | ||
| public void onPageStarted(WebView view, String url, Bitmap favicon) { | ||
| if (url.matches(REDIRECT_URL_PATTERN)) | ||
| instance.onRedirect(Uri.parse(url)); | ||
| super.onPageStarted(view, url, favicon); | ||
| } | ||
| }); | ||
| } | ||
|
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| public void setCallback(WebViewCallback callback) { | ||
| this.callback = callback; | ||
| } | ||
|
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| abstract void onRedirect(Uri uri); | ||
| } |
7 changes: 7 additions & 0 deletions
7
processout-sdk/src/main/java/com/processout/processout_sdk/POWebViews/WebViewCallback.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package com.processout.processout_sdk.POWebViews; | ||
|
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| public interface WebViewCallback { | ||
| void onResult(String token); | ||
|
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| void onAuthenticationError(); | ||
| } |
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