Dmitry Novotochinov
ca4a3add78
don't stuck for 10 seconds wairing for long-running installKeycardApplet() operation
84 lines
2.9 KiB
Java
84 lines
2.9 KiB
Java
package im.status.ethereum.keycard;
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import android.content.res.AssetManager;
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import android.util.Log;
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import im.status.keycard.globalplatform.GlobalPlatformCommandSet;
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import im.status.keycard.globalplatform.LoadCallback;
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import im.status.keycard.io.APDUException;
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import im.status.keycard.io.CardChannel;
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import org.bouncycastle.util.encoders.Hex;
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import java.io.IOException;
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import java.security.NoSuchAlgorithmException;
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import java.security.spec.InvalidKeySpecException;
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public class Installer {
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private CardChannel plainChannel;
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private AssetManager assets;
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private String capPath;
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private EventEmitter eventEmitter;
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private GlobalPlatformCommandSet cmdSet;
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private static final String TAG = "SmartCardInstaller";
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public Installer(CardChannel channel, AssetManager assets, String capPath, EventEmitter eventEmitter) {
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this.plainChannel = channel;
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this.assets = assets;
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this.capPath = capPath;
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this.eventEmitter = eventEmitter;
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}
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public void start() throws IOException, APDUException, NoSuchAlgorithmException, InvalidKeySpecException {
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Log.i(TAG, "installation started...");
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long startTime = System.currentTimeMillis();
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eventEmitter.emit("keycardInstallationProgress", 0.05);
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Log.i(TAG, "select ISD...");
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cmdSet = new GlobalPlatformCommandSet(this.plainChannel);
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cmdSet.select().checkOK();
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Log.i(TAG, "opening secure channel...");
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cmdSet.openSecureChannel();
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Log.i(TAG, "deleting old version (if present)...");
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cmdSet.deleteKeycardInstancesAndPackage();
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eventEmitter.emit("keycardInstallationProgress", 0.1);
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Log.i(TAG, "loading package...");
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cmdSet.loadKeycardPackage(this.assets.open(this.capPath), new LoadCallback() {
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public void blockLoaded(int loadedBlock, int blockCount) {
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Log.i(TAG, String.format("load %d/%d...", loadedBlock, blockCount));
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eventEmitter.emit("keycardInstallationProgress", 0.1 + (0.6 * loadedBlock / blockCount));
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}
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});
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Log.i(TAG, "installing NDEF applet...");
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cmdSet.installNDEFApplet(Hex.decode("0024d40f12616e64726f69642e636f6d3a706b67696d2e7374617475732e657468657265756d")).checkOK();
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eventEmitter.emit("keycardInstallationProgress", 0.72);
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eventEmitter.emitWithDelay("keycardInstallationProgress", 0.77, 3100);
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eventEmitter.emitWithDelay("keycardInstallationProgress", 0.82, 6200);
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eventEmitter.emitWithDelay("keycardInstallationProgress", 0.85, 8500);
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Log.i(TAG, "installing Keycard applet...");
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cmdSet.installKeycardApplet().checkOK();
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eventEmitter.removeCallbacksAndMessages();
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eventEmitter.emit("keycardInstallationProgress", 0.88);
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long duration = System.currentTimeMillis() - startTime;
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Log.i(TAG, String.format("\n\ninstallation completed in %d seconds", duration / 1000));
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}
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}
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