Updated on 2026-08-14
This commit is contained in:
Tangem
parent
b690338759
commit
f7bd06e040
6 changed files with 297 additions and 23 deletions
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@ -0,0 +1,193 @@
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package com.tangem.data.network.request;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.tangem.domain.wallet.TangemCard;
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import com.tangem.util.Util;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.lang.reflect.Type;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLConnection;
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import java.nio.charset.StandardCharsets;
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import java.sql.Date;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Locale;
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public class VerificationServerProtocol {
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public static class Request
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{
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public Request(CustomCommand command, Class answerClass)
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{
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this.command=command;
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this.answerClass=answerClass;
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}
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public String error;
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public CustomCommand command;
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public CustomAnswer answer;
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public Type answerClass;
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public void doPost(String hostURL) throws IOException {
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URL url = new URL(hostURL+"/"+command.getURL());
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URLConnection con = url.openConnection();
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HttpURLConnection http = (HttpURLConnection) con;
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try {
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http.setConnectTimeout(30000);
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http.setReadTimeout(30000);
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http.setRequestMethod("POST"); // PUT is another valid option
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http.setDoOutput(true);
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String sRequestBody = getGson().toJson(this.command);
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byte[] out = sRequestBody.getBytes(StandardCharsets.UTF_8);
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int length = out.length;
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http.setFixedLengthStreamingMode(length);
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http.setRequestProperty("Content-Type", "application/json");
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http.connect();
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try (OutputStream os = http.getOutputStream()) {
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os.write(out);
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}
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try (InputStream is = http.getInputStream()) {
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try (BufferedReader br = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
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answer = getGson().fromJson(br, answerClass);
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}
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}
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}
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finally {
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http.disconnect();
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}
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}
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}
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static abstract class CustomCommand {
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public abstract String getURL();
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public byte[] toBytes()
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{
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return getGson().toJson(this).getBytes(StandardCharsets.UTF_8);
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}
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@Override
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public String toString() {
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return getGson().toJson(this);
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}
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}
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static class CustomAnswer {
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public String error;
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@Override
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public String toString() {
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return getGson().toJson(this);
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}
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}
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public static class Verify {
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static class RequestItem {
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public String CID;
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public String publicKey;
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}
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static class Command extends CustomCommand {
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public RequestItem[] requests;
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@Override
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public String getURL() {
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return "verify";
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}
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}
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public static class ResultItem {
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public ResultItem(RequestItem request) {
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CID = request.CID;
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}
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public String error;
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public String CID;
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public Boolean passed;
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}
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public static class Answer extends CustomAnswer {
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public ResultItem[] results;
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}
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public static Request prepare(TangemCard card)
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{
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Command c=new Command();
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c.requests=new RequestItem[1];
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c.requests[0]=new RequestItem();
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c.requests[0].CID=Util.bytesToHex(card.getCID());
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c.requests[0].publicKey=Util.bytesToHex(card.getCardPublicKey());
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return new Request(c,Answer.class);
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}
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}
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public static class Validate {
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static class RequestItem {
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public String CID;
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public int counter;
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public String signature;
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}
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static class Command extends CustomCommand {
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public RequestItem[] requests;
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@Override
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public String getURL() {
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return "validate";
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}
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}
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static class ResultItem {
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public ResultItem(RequestItem request) {
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CID = request.CID;
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}
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public String error;
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public String CID;
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public Integer previousCounter;
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public Boolean passed;
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}
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static class Answer extends CustomAnswer {
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public ResultItem[] results;
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}
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public Request prepare(TangemCard card, int ValidationCounter, byte[] ValidationSignature)
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{
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Command c=new Command();
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c.requests=new RequestItem[1];
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c.requests[0].CID= Util.bytesToHex(card.getCID());
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c.requests[0].counter=ValidationCounter;
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c.requests[0].signature=Util.bytesToHex(ValidationSignature);
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return new Request(new Command(),Answer.class);
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}
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}
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public static Date strToDate(String date) throws ParseException {
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SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
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return new Date(formatter.parse(date).getTime());
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}
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public static String dateToStr(Date date) {
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SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd", Locale.US);
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return formatter.format(date);
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}
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public static Gson getGson() {
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return new GsonBuilder().create();
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}
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}
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@ -0,0 +1,42 @@
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package com.tangem.data.network.task;
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import android.os.AsyncTask;
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import com.tangem.data.network.request.VerificationServerProtocol;
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import java.util.ArrayList;
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import java.util.List;
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public class VerificationServerTask extends AsyncTask<VerificationServerProtocol.Request, Void, List<VerificationServerProtocol.Request>> {
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public static final String hostURL ="https://tangem-webapp.appspot.com";
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public VerificationServerTask() {
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}
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protected List<VerificationServerProtocol.Request> doInBackground(VerificationServerProtocol.Request... requests) {
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List<VerificationServerProtocol.Request> result = new ArrayList<>();
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for (int i = 0; i < requests.length; i++) {
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result.add(requests[i]);
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}
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for (VerificationServerProtocol.Request request : result) {
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try {
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request.doPost(hostURL);
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} catch (Exception e) {
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request.error = e.getMessage();
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if( request.error==null || request.error.isEmpty() )
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{
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request.error = e.getClass().getName();
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}
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}
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}
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return result;
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}
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public String getValidationNodeDescription() {
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return hostURL;
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}
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}
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@ -21,16 +21,23 @@ public class ReadCardInfoTask extends Thread {
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private Context mContext;
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private NfcManager mNfcManager;
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private ArrayList<String> lastRead_UnsuccessfullPINs = new ArrayList<>();
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private TangemCard.EncryptionMode lastRead_Encryption = null;
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private String lastRead_UID;
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// this fields are static to optimize process when need enter pin and scan card again
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private static ArrayList<String> lastRead_UnsuccessfullPINs = new ArrayList<>();
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private static TangemCard.EncryptionMode lastRead_Encryption = null;
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private static String lastRead_UID;
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public ReadCardInfoTask(Context context, NfcManager nfcManager, String lastRead_UID, IsoDep isoDep, CardProtocol.Notifications notifications) {
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public static void resetLastReadInfo() {
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lastRead_UID="";
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lastRead_Encryption=null;
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lastRead_UnsuccessfullPINs.clear();
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}
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public ReadCardInfoTask(Context context, NfcManager nfcManager, IsoDep isoDep, CardProtocol.Notifications notifications) {
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mContext = context;
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mIsoDep = isoDep;
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mNotifications = notifications;
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mNfcManager = nfcManager;
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this.lastRead_UID = lastRead_UID;
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// ReadCardInfoTask.lastRead_UID = lastRead_UID;
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}
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@Override
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@ -56,9 +63,7 @@ public class ReadCardInfoTask extends Thread {
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byte[] UID = mIsoDep.getTag().getId();
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String sUID = Util.byteArrayToHexString(UID);
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if (!lastRead_UID.equals(sUID)) {
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lastRead_UID = sUID;
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lastRead_UnsuccessfullPINs.clear();
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lastRead_Encryption = null;
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resetLastReadInfo();
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}
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Log.i(TAG, "[-- Start read card info --]");
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@ -146,6 +151,7 @@ public class ReadCardInfoTask extends Thread {
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}
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} catch (Exception e) {
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e.printStackTrace();
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mNfcManager.notifyReadResult(false);
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}
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}
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