1 files changed, 102 insertions, 0 deletions
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/mobilebku/MobileBKUFido2Composite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/mobilebku/MobileBKUFido2Composite.java
new file mode 100644
index 00000000..f303d6c3
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/mobilebku/MobileBKUFido2Composite.java
@@ -0,0 +1,102 @@
+package at.asit.pdfover.gui.composites.mobilebku;
+
+import javax.annotation.Nonnull;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.FormLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.commons.Constants;
+import at.asit.pdfover.gui.composites.StateComposite;
+import at.asit.pdfover.gui.utils.SWTUtils;
+import at.asit.pdfover.gui.workflow.states.State;
+import at.asit.webauthn.PublicKeyCredential;
+import at.asit.webauthn.PublicKeyCredentialRequestOptions;
+import at.asit.webauthn.WebAuthN;
+import at.asit.webauthn.exceptions.WebAuthNOperationFailed;
+import at.asit.webauthn.exceptions.WebAuthNUserCancelled;
+import at.asit.webauthn.responsefields.AuthenticatorAssertionResponse;
+
+public class MobileBKUFido2Composite extends StateComposite {
+    private static final Logger log = LoggerFactory.getLogger(MobileBKUFido2Composite.class);
+    
+    private @Nonnull String fido2OptionsString = "";
+
+    private PublicKeyCredential<AuthenticatorAssertionResponse> credential;
+    private boolean userCancel;
+    private boolean userSms;
+
+    private Button btn_authenticate;
+
+    public void initialize(@Nonnull String fido2Options) {
+        this.fido2OptionsString = fido2Options;
+        this.credential = null;
+        this.userCancel = this.userSms = false;
+        this.btn_authenticate.setEnabled(WebAuthN.isAvailable());
+    }
+
+    public boolean isDone() { return ((this.credential != null) || this.userCancel || this.userSms); }
+    public PublicKeyCredential<AuthenticatorAssertionResponse> getResultingCredential() { return this.credential; }
+    public boolean wasUserCancelClicked() { return userCancel; }
+    public boolean wasUserSMSClicked() { return userSms; }
+
+    public MobileBKUFido2Composite(Composite parent, int style, State state) {
+        super(parent, style, state);
+        setLayout(new FormLayout());
+
+        final Composite containerComposite = new Composite(this, SWT.NATIVE);
+        containerComposite.addPaintListener((e) -> {
+            Rectangle clientArea = containerComposite.getClientArea();
+            e.gc.setForeground(Constants.MAINBAR_ACTIVE_BACK_DARK);
+            e.gc.setLineWidth(3);
+            e.gc.setLineStyle(SWT.LINE_SOLID);
+            e.gc.drawRoundRectangle(clientArea.x, clientArea.y,
+                    clientArea.width - 2, clientArea.height - 2, 10, 10);
+        
+		});
+        containerComposite.setLayout(new FormLayout());
+        SWTUtils.anchor(containerComposite).top(50, -120).bottom(50, 120).left(50, -200).right(50, 200);
+
+        ImageData webauthnLogoImg = new ImageData(this.getClass().getResourceAsStream(Constants.RES_IMG_WEBAUTHN));
+        Label webauthnLogo = new Label(containerComposite, SWT.NATIVE);
+        SWTUtils.anchor(webauthnLogo).top(0, 10).right(100, -10).height(50).width(187);
+        webauthnLogo.setImage(new Image(getDisplay(), webauthnLogoImg.scaledTo(187, 50)));
+
+        ImageData fidoLogoImg = new ImageData(this.getClass().getResourceAsStream(Constants.RES_IMG_FIDO2));
+        Label fidoLogo = new Label(containerComposite, SWT.NATIVE);
+        SWTUtils.anchor(fidoLogo).top(webauthnLogo, 10).right(100, -10).height(50).width(81);
+        fidoLogo.setImage(new Image(getDisplay(), fidoLogoImg.scaledTo(81, 50)));
+
+        this.btn_authenticate = new Button(containerComposite, SWT.NATIVE);
+        SWTUtils.anchor(btn_authenticate).top(50, -10).left(0, 90).right(100, -90);
+        SWTUtils.addSelectionListener(btn_authenticate, () -> {
+            SWTUtils.setLocalizedText(btn_authenticate, "common.working");
+            btn_authenticate.setEnabled(false);
+            try {
+                /* let the click process first so we don't steal back focus from the fido2 popup */
+                try { Thread.sleep(10); } catch (InterruptedException e) {}
+                this.credential = PublicKeyCredentialRequestOptions.FromJSONString(this.fido2OptionsString).get("https://service.a-trust.at");
+            } catch (WebAuthNUserCancelled e) {
+                this.userCancel = true;
+            } catch (WebAuthNOperationFailed e) {
+                // TODO
+                log.error("webauthn fail", e);
+            } finally { btn_authenticate.setEnabled(true); reloadResources(); }
+        });
+    }
+
+    @Override protected void checkSubclass() {}
+    @Override public void doLayout() { getShell().setDefaultButton(this.btn_authenticate); }
+
+    @Override
+    public void reloadResources() {
+        SWTUtils.setLocalizedText(btn_authenticate, "mobileBKU.authorize");
+    }
+}