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-rw-r--r--src/se/leap/leapclient/ConfigHelper.java15
-rw-r--r--src/se/leap/leapclient/ConfigurationWizard.java12
-rw-r--r--src/se/leap/leapclient/LeapHttpClient.java8
-rw-r--r--src/se/leap/leapclient/LeapSRPSession.java315
-rw-r--r--src/se/leap/leapclient/ProviderAPI.java145
5 files changed, 480 insertions, 15 deletions
diff --git a/src/se/leap/leapclient/ConfigHelper.java b/src/se/leap/leapclient/ConfigHelper.java
index c2f6c413..11401df5 100644
--- a/src/se/leap/leapclient/ConfigHelper.java
+++ b/src/se/leap/leapclient/ConfigHelper.java
@@ -7,6 +7,7 @@ import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
+import java.math.BigInteger;
import java.io.InputStream;
import java.security.KeyStore;
import java.security.KeyStoreException;
@@ -29,17 +30,31 @@ public class ConfigHelper {
final static String downloadJsonFilesBundleExtra = "downloadJSONFiles";
final static String downloadNewProviderDotJSON = "downloadNewProviderDotJSON";
+ public static final String srpRegister = "srpRegister";
+ final public static String srpAuth = "srpAuth";
+ final public static String resultKey = "result";
final static String provider_key = "provider";
final static String cert_key = "cert";
final static String eip_service_key = "eip";
public static final String PREFERENCES_KEY = "LEAPPreferences";
public static final String user_directory = "leap_android";
public static String provider_key_url = "provider_main_url";
+ final public static String srp_server_url_key = "srp_server_url";
+ final public static String username_key = "username";
+ final public static String password_key = "password";
final public static String eip_service_api_path = "/config/eip-service.json";
+ final public static String NG_1024 =
+ "eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3";
+ final public static BigInteger g = BigInteger.valueOf(2);
+
final public static int CUSTOM_PROVIDER_ADDED = 0;
final public static int CORRECTLY_DOWNLOADED_JSON_FILES = 1;
final public static int INCORRECTLY_DOWNLOADED_JSON_FILES = 2;
+ final public static int SRP_AUTHENTICATION_SUCCESSFUL = 3;
+ final public static int SRP_AUTHENTICATION_FAILED = 4;
+ public static final int SRP_REGISTRATION_SUCCESSFUL = 5;
+ public static final int SRP_REGISTRATION_FAILED = 6;
static void saveSharedPref(String shared_preferences_key, JSONObject content) {
diff --git a/src/se/leap/leapclient/ConfigurationWizard.java b/src/se/leap/leapclient/ConfigurationWizard.java
index 90e74e51..5b93cbbe 100644
--- a/src/se/leap/leapclient/ConfigurationWizard.java
+++ b/src/se/leap/leapclient/ConfigurationWizard.java
@@ -49,8 +49,6 @@ public class ConfigurationWizard extends Activity
* device.
*/
private boolean mTwoPane;
-
- static SharedPreferences shared_preferences;
public ProviderAPIResultReceiver providerAPI_result_receiver;
@@ -59,9 +57,9 @@ public class ConfigurationWizard extends Activity
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_configuration_wizard);
-
+
ConfigHelper.setSharedPreferences(getSharedPreferences(ConfigHelper.PREFERENCES_KEY,MODE_PRIVATE));
-
+
loadPreseededProviders();
if(ConfigHelper.getKeystore() == null) {
@@ -168,6 +166,7 @@ public class ConfigurationWizard extends Activity
provider_API_command.putExtra(ConfigHelper.downloadJsonFilesBundleExtra, method_and_parameters);
provider_API_command.putExtra("receiver", providerAPI_result_receiver);
+
startService(provider_API_command);
}
@@ -195,6 +194,7 @@ public class ConfigurationWizard extends Activity
provider_API_command.putExtra(ConfigHelper.downloadNewProviderDotJSON, method_and_parameters);
provider_API_command.putExtra("receiver", providerAPI_result_receiver);
+
startService(provider_API_command);
}
@@ -207,14 +207,14 @@ public class ConfigurationWizard extends Activity
fragmentManager.beginTransaction()
.replace(R.id.configuration_wizard_layout, providerList, "providerlist")
.commit();
- }
+ }
else if(resultCode == ConfigHelper.CORRECTLY_DOWNLOADED_JSON_FILES) {
setResult(RESULT_OK);
finish();
}
else if(resultCode == ConfigHelper.INCORRECTLY_DOWNLOADED_JSON_FILES) {
setResult(RESULT_CANCELED);
- finish();
+ finish();
}
}
}
diff --git a/src/se/leap/leapclient/LeapHttpClient.java b/src/se/leap/leapclient/LeapHttpClient.java
index 9ee0a95e..51b76b2c 100644
--- a/src/se/leap/leapclient/LeapHttpClient.java
+++ b/src/se/leap/leapclient/LeapHttpClient.java
@@ -15,6 +15,8 @@ import android.content.Context;
public class LeapHttpClient extends DefaultHttpClient {
final Context context;
+
+ private static LeapHttpClient client;
public LeapHttpClient(Context context) {
this.context = context;
@@ -48,4 +50,10 @@ public class LeapHttpClient extends DefaultHttpClient {
throw new AssertionError(e);
}
}
+
+ public static LeapHttpClient getInstance(Context context) {
+ if(client == null)
+ client = new LeapHttpClient(context);
+ return client;
+ }
}
diff --git a/src/se/leap/leapclient/LeapSRPSession.java b/src/se/leap/leapclient/LeapSRPSession.java
new file mode 100644
index 00000000..abdf6b2c
--- /dev/null
+++ b/src/se/leap/leapclient/LeapSRPSession.java
@@ -0,0 +1,315 @@
+package se.leap.leapclient;
+
+import java.io.UnsupportedEncodingException;
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+
+import org.jboss.security.Util;
+import org.jboss.security.srp.SRPClientSession;
+import org.jboss.security.srp.SRPParameters;
+import org.jboss.security.srp.SRPPermission;
+
+public class LeapSRPSession {
+
+ private SRPParameters params;
+ private BigInteger N;
+ private BigInteger g;
+ private BigInteger x;
+ private BigInteger v;
+ private BigInteger a;
+ private BigInteger A;
+ private byte[] K;
+ /** The M1 = H(H(N) xor H(g) | H(U) | s | A | B | K) hash */
+ private MessageDigest clientHash;
+ /** The M2 = H(A | M | K) hash */
+ private MessageDigest serverHash;
+
+ private static int A_LEN;
+
+ /** Creates a new SRP server session object from the username, password
+ verifier,
+ @param username, the user ID
+ @param password, the user clear text password
+ @param params, the SRP parameters for the session
+ */
+ public LeapSRPSession(String username, char[] password, SRPParameters params)
+ {
+ this(username, password, params, null);
+ }
+
+ /** Creates a new SRP server session object from the username, password
+ verifier,
+ @param username, the user ID
+ @param password, the user clear text password
+ @param params, the SRP parameters for the session
+ @param abytes, the random exponent used in the A public key. This must be
+ 8 bytes in length.
+ */
+ public LeapSRPSession(String username, char[] password, SRPParameters params,
+ byte[] abytes) {
+ try {
+ // Initialize the secure random number and message digests
+ Util.init();
+ }
+ catch(NoSuchAlgorithmException e) {
+ }
+
+ this.params = params;
+ this.g = new BigInteger(1, params.g);
+ byte[] N_bytes = Util.trim(params.N);
+ this.N = new BigInteger(1, N_bytes);
+
+ if( abytes != null ) {
+ A_LEN = 8*abytes.length;
+ /* TODO Why did they put this condition?
+ if( 8*abytes.length != A_LEN )
+ throw new IllegalArgumentException("The abytes param must be "
+ +(A_LEN/8)+" in length, abytes.length="+abytes.length);
+ */
+ this.a = new BigInteger(abytes);
+ }
+
+ // Calculate x = H(s | H(U | ':' | password))
+ byte[] salt_bytes = Util.trim(params.s);
+ byte[] xb = calculatePasswordHash(username, password, salt_bytes);
+ this.x = new BigInteger(1, xb);
+
+ // Calculate v = kg^x mod N
+ String k_string = "bf66c44a428916cad64aa7c679f3fd897ad4c375e9bbb4cbf2f5de241d618ef0";
+ this.v = calculateV(k_string);
+ //String v_string = v.toString(16);
+
+ serverHash = newDigest();
+ clientHash = newDigest();
+
+ // H(N)
+ byte[] digest_of_n = newDigest().digest(N_bytes);
+
+ // H(g)
+ byte[] digest_of_g = newDigest().digest(params.g);
+
+ // clientHash = H(N) xor H(g)
+ byte[] xor_digest = xor(digest_of_n, digest_of_g, digest_of_g.length);
+ //String hxg_string = new BigInteger(1, xor_digest).toString(16);
+ clientHash.update(xor_digest);
+
+ // clientHash = H(N) xor H(g) | H(U)
+ byte[] username_digest = newDigest().digest(Util.trim(username.getBytes()));
+ username_digest = Util.trim(username_digest);
+ //String username_digest_string = new BigInteger(1, username_digest).toString(16);
+ clientHash.update(username_digest);
+
+ // clientHash = H(N) xor H(g) | H(U) | s
+ //String salt_string = new BigInteger(1, salt_bytes).toString(16);
+ clientHash.update(salt_bytes);
+
+ K = null;
+ }
+
+ /**
+ * Calculates the parameter x of the SRP-6a algorithm.
+ * @param username
+ * @param password
+ * @param salt the salt of the user
+ * @return x
+ */
+ public byte[] calculatePasswordHash(String username, char[] password, byte[] salt)
+ {
+ // Calculate x = H(s | H(U | ':' | password))
+ MessageDigest x_digest = newDigest();
+
+ // Try to convert the username to a byte[] using UTF-8
+ byte[] user = null;
+ byte[] colon = {};
+ try {
+ user = Util.trim(username.getBytes("UTF-8"));
+ colon = Util.trim(":".getBytes("UTF-8"));
+ }
+ catch(UnsupportedEncodingException e) {
+ // Use the default platform encoding
+ user = Util.trim(username.getBytes());
+ colon = Util.trim(":".getBytes());
+ }
+
+ byte[] passBytes = new byte[2*password.length];
+ int passBytesLength = 0;
+ for(int p = 0; p < password.length; p++) {
+ int c = (password[p] & 0x00FFFF);
+ // The low byte of the char
+ byte b0 = (byte) (c & 0x0000FF);
+ // The high byte of the char
+ byte b1 = (byte) ((c & 0x00FF00) >> 8);
+ passBytes[passBytesLength ++] = b0;
+ // Only encode the high byte if c is a multi-byte char
+ if( c > 255 )
+ passBytes[passBytesLength ++] = b1;
+ }
+
+ // Build the hash
+ x_digest.update(user);
+ x_digest.update(colon);
+ x_digest.update(passBytes, 0, passBytesLength);
+ byte[] h = x_digest.digest();
+ //h = Util.trim(h);
+
+ x_digest.reset();
+ x_digest.update(salt);
+ x_digest.update(h);
+ byte[] x_digest_bytes = Util.trim(x_digest.digest());
+
+ return x_digest_bytes;
+ }
+
+ /**
+ * Calculates the parameter V of the SRP-6a algorithm.
+ * @param k_string constant k predefined by the SRP server implementation.
+ * @return the value of V
+ */
+ private BigInteger calculateV(String k_string) {
+ BigInteger k = new BigInteger(k_string, 16);
+ return k.multiply(g.modPow(x, N)); // g^x % N
+ }
+
+ public byte[] xor(byte[] b1, byte[] b2, int length)
+ {
+ //TODO Check if length matters in the order, when b2 is smaller than b1 or viceversa
+ byte[] xor_digest = new BigInteger(1, b1).xor(new BigInteger(1, b2)).toByteArray();
+ return Util.trim(xor_digest);
+ }
+
+ /**
+ * @returns The exponential residue (parameter A) to be sent to the server.
+ */
+ public byte[] exponential() {
+ byte[] Abytes = null;
+ if(A == null) {
+ /* If the random component of A has not been specified use a random
+ number */
+ if( a == null ) {
+ BigInteger one = BigInteger.ONE;
+ do {
+ a = new BigInteger(A_LEN, Util.getPRNG());
+ } while(a.compareTo(one) <= 0);
+ }
+ A = g.modPow(a, N);
+ Abytes = Util.trim(A.toByteArray());
+ //String Abytes_string = new BigInteger(1, Abytes).toString(16);
+
+ // clientHash = H(N) xor H(g) | H(U) | A
+ clientHash.update(Abytes);
+
+ // serverHash = A
+ serverHash.update(Abytes);
+ }
+ return Abytes;
+ }
+
+ /**
+ * Calculates the parameter M1, to be sent to the SRP server.
+ * It also updates hashes of client and server for further calculations in other methods.
+ * @param Bbytes the parameter received from the server, in bytes
+ * @return the parameter M1
+ * @throws NoSuchAlgorithmException
+ */
+ public byte[] response(byte[] Bbytes) throws NoSuchAlgorithmException {
+ // clientHash = H(N) xor H(g) | H(U) | s | A | B
+ Bbytes = Util.trim(Bbytes);
+ //String Bbytes_string = new BigInteger(1, Bbytes).toString(16);
+ clientHash.update(Bbytes);
+
+ // Calculate S = (B - kg^x) ^ (a + u * x) % N
+ BigInteger S = calculateS(Bbytes);
+ byte[] S_bytes = Util.trim(S.toByteArray());
+ //String S_bytes_string = new BigInteger(1, S_bytes).toString(16);
+
+ // K = SessionHash(S)
+ String hash_algorithm = params.hashAlgorithm;
+ MessageDigest sessionDigest = MessageDigest.getInstance(hash_algorithm);
+ K = sessionDigest.digest(S_bytes);
+ //K = Util.trim(K);
+ //String K_bytes_string = new BigInteger(1, K).toString(16);
+
+ // clientHash = H(N) xor H(g) | H(U) | A | B | K
+ clientHash.update(K);
+ byte[] M1 = clientHash.digest();
+
+ // serverHash = Astr + M + K
+ serverHash.update(M1);
+ serverHash.update(K);
+ return M1;
+ }
+
+ /**
+ * It calculates the parameter S used by response() to obtain session hash K.
+ * @param Bbytes the parameter received from the server, in bytes
+ * @return the parameter S
+ */
+ private BigInteger calculateS(byte[] Bbytes) {
+ byte[] Abytes = Util.trim(A.toByteArray());
+ byte[] u_bytes = getU(Abytes, Bbytes);
+ //ub = Util.trim(ub);
+
+ BigInteger B = new BigInteger(1, Bbytes);
+ BigInteger u = new BigInteger(1, u_bytes);
+ //String u_string = u.toString(16);
+
+ BigInteger B_minus_v = B.subtract(v);
+ BigInteger a_ux = a.add(u.multiply(x));
+ //String a_ux_string = a_ux.toString(16);
+ BigInteger S = B_minus_v.modPow(a_ux, N);
+
+ return S;
+ }
+
+ /**
+ * It calculates the parameter u used by calculateS to obtain S.
+ * @param Abytes the exponential residue sent to the server
+ * @param Bbytes the parameter received from the server, in bytes
+ * @return
+ */
+ public byte[] getU(byte[] Abytes, byte[] Bbytes) {
+ MessageDigest u_digest = newDigest();
+ u_digest.update(Abytes);
+ u_digest.update(Bbytes);
+ return new BigInteger(1, u_digest.digest()).toByteArray();
+ }
+
+ /**
+ * @param M2 The server's response to the client's challenge
+ * @returns True if and only if the server's response was correct.
+ */
+ public boolean verify(byte[] M2)
+ {
+ // M2 = H(A | M1 | K)
+ byte[] myM2 = serverHash.digest();
+ boolean valid = Arrays.equals(M2, myM2);
+ return valid;
+ }
+
+ /** Returns the negotiated session K, K = SHA_Interleave(S)
+ @return the private session K byte[]
+ @throws SecurityException - if the current thread does not have an
+ getSessionKey SRPPermission.
+ */
+ public byte[] getSessionKey() throws SecurityException
+ {
+ return K;
+ }
+
+
+ /**
+ * @return a new SHA-256 digest.
+ */
+ public MessageDigest newDigest()
+ {
+ MessageDigest md = null;
+ try {
+ md = MessageDigest.getInstance("SHA-256");
+ } catch (NoSuchAlgorithmException e) {
+ e.printStackTrace();
+ }
+ return md;
+ }
+}
diff --git a/src/se/leap/leapclient/ProviderAPI.java b/src/se/leap/leapclient/ProviderAPI.java
index afbf1c01..6b09eb9d 100644
--- a/src/se/leap/leapclient/ProviderAPI.java
+++ b/src/se/leap/leapclient/ProviderAPI.java
@@ -1,16 +1,25 @@
package se.leap.leapclient;
import java.io.IOException;
+import java.math.BigInteger;
+import java.security.NoSuchAlgorithmException;
+import java.util.List;
import java.net.MalformedURLException;
import java.net.URL;
-import java.security.Provider;
-import java.security.Security;
import java.util.Scanner;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
+import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.client.protocol.ClientContext;
+import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.protocol.BasicHttpContext;
+import org.apache.http.protocol.HttpContext;
+import org.jboss.security.srp.SRPParameters;
import org.json.JSONException;
import org.json.JSONObject;
@@ -27,25 +36,143 @@ public class ProviderAPI extends IntentService {
public ProviderAPI() {
super("ProviderAPI");
Log.v("ClassName", "Provider API");
- // TODO Auto-generated constructor stub
}
@Override
protected void onHandleIntent(Intent task_for) {
final ResultReceiver receiver = task_for.getParcelableExtra("receiver");
+
Bundle task;
if((task = task_for.getBundleExtra(ConfigHelper.downloadJsonFilesBundleExtra)) != null) {
+ if(!downloadJsonFiles(task))
+ receiver.send(ConfigHelper.INCORRECTLY_DOWNLOADED_JSON_FILES, Bundle.EMPTY);
+ else
+ receiver.send(ConfigHelper.CORRECTLY_DOWNLOADED_JSON_FILES, Bundle.EMPTY);
if(downloadJsonFilesBundleExtra(task))
receiver.send(ConfigHelper.CORRECTLY_DOWNLOADED_JSON_FILES, Bundle.EMPTY);
else
receiver.send(ConfigHelper.INCORRECTLY_DOWNLOADED_JSON_FILES, Bundle.EMPTY);
}
- else if ((task = task_for.getBundleExtra(ConfigHelper.downloadNewProviderDotJSON)) != null) {
- if(downloadNewProviderDotJSON(task))
- receiver.send(ConfigHelper.CUSTOM_PROVIDER_ADDED, Bundle.EMPTY);
- else
- receiver.send(ConfigHelper.INCORRECTLY_DOWNLOADED_JSON_FILES, Bundle.EMPTY);
+ }
+
+ private boolean downloadJsonFiles(Bundle task) {
+ String cert_url = (String) task.get(ConfigHelper.cert_key);
+ String eip_service_json_url = (String) task.get(ConfigHelper.eip_service_key);
+ try {
+ String cert_string = getStringFromProvider(cert_url);
+ JSONObject cert_json = new JSONObject("{ \"certificate\" : \"" + cert_string + "\"}");
+ ConfigHelper.saveSharedPref(ConfigHelper.cert_key, cert_json);
+ JSONObject eip_service_json = getJSONFromProvider(eip_service_json_url);
+ ConfigHelper.saveSharedPref(ConfigHelper.eip_service_key, eip_service_json);
+ return true;
+ } catch (IOException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ } catch (JSONException e) {
+ ConfigHelper.rescueJSONException(e);
+ return false;
+ } catch(Exception e) {
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ private boolean registerWithSRP(Bundle task) {
+ String username = (String) task.get(ConfigHelper.username_key);
+ String password = (String) task.get(ConfigHelper.password_key);
+ String authentication_server = (String) task.get(ConfigHelper.srp_server_url_key);
+
+ BigInteger ng_1024 = new BigInteger(ConfigHelper.NG_1024, 16);
+ BigInteger salt = ng_1024.probablePrime(1024, null);
+ byte[] salt_in_bytes = salt.toByteArray();
+
+ return false;
+ }
+
+ private boolean authenticateBySRP(Bundle task) {
+ String username = (String) task.get(ConfigHelper.username_key);
+ String password = (String) task.get(ConfigHelper.password_key);
+ String authentication_server = (String) task.get(ConfigHelper.srp_server_url_key);
+
+ String salt = "abcd";
+
+ SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), new BigInteger("2").toByteArray(), new BigInteger(salt, 16).toByteArray(), "SHA-256");
+ //SRPClientSession client = new SRPClientSession(username, password.toCharArray(), params);
+ LeapSRPSession client = new LeapSRPSession(username, password.toCharArray(), params);
+ byte[] A = client.exponential();
+ try {
+ JSONObject saltAndB = sendAToSRPServer(authentication_server, username, new BigInteger(A).toString(16));
+ if(saltAndB.length() > 0) {
+ byte[] B = saltAndB.getString("B").getBytes();
+ salt = saltAndB.getString("salt");
+ params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), new BigInteger("2").toByteArray(), new BigInteger(salt, 16).toByteArray(), "SHA-256");
+ //client = new SRPClientSession(username, password.toCharArray(), params);
+ client = new LeapSRPSession(username, password.toCharArray(), params);
+ A = client.exponential();
+ saltAndB = sendAToSRPServer(authentication_server, username, new BigInteger(A).toString(16));
+ String Bhex = saltAndB.getString("B");
+ byte[] M1 = client.response(new BigInteger(Bhex, 16).toByteArray());
+ byte[] M2 = sendM1ToSRPServer(authentication_server, username, M1);
+ if( client.verify(M2) == false )
+ throw new SecurityException("Failed to validate server reply");
+ return true;
+ }
+ else return false;
+ } catch (ClientProtocolException e1) {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ return false;
+ } catch (IOException e1) {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ return false;
+ } catch (JSONException e1) {
+ // TODO Auto-generated catch block
+ e1.printStackTrace();
+ return false;
+ } catch (NoSuchAlgorithmException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ return false;
+ }
+ }
+
+ private JSONObject sendAToSRPServer(String server_url, String username, String clientA) throws ClientProtocolException, IOException, JSONException {
+ DefaultHttpClient client = LeapHttpClient.getInstance(getApplicationContext());
+ String parameter_chain = "A" + "=" + clientA + "&" + "login" + "=" + username;
+ HttpPost post = new HttpPost(server_url + "/sessions.json" + "?" + parameter_chain);
+
+ HttpResponse getResponse = client.execute(post);
+ HttpEntity responseEntity = getResponse.getEntity();
+ String plain_response = new Scanner(responseEntity.getContent()).useDelimiter("\\A").next();
+ JSONObject json_response = new JSONObject(plain_response);
+ if(!json_response.isNull("errors") || json_response.has("errors")) {
+ return new JSONObject();
}
+ List<Cookie> cookies = client.getCookieStore().getCookies();
+ if(!cookies.isEmpty()) {
+ String session_id = cookies.get(0).getValue();
+ }
+ return json_response;
+ }
+
+ private byte[] sendM1ToSRPServer(String server_url, String username, byte[] m1) throws ClientProtocolException, IOException, JSONException {
+ DefaultHttpClient client = LeapHttpClient.getInstance(getApplicationContext());
+ String parameter_chain = "client_auth" + "=" + new BigInteger(m1).toString(16);
+ HttpPut put = new HttpPut(server_url + "/sessions/" + username +".json" + "?" + parameter_chain);
+ HttpContext localContext = new BasicHttpContext();
+ localContext.setAttribute(ClientContext.COOKIE_STORE, client.getCookieStore());
+
+ HttpResponse getResponse = client.execute(put, localContext);
+ HttpEntity responseEntity = getResponse.getEntity();
+ String plain_response = new Scanner(responseEntity.getContent()).useDelimiter("\\A").next();
+ JSONObject json_response = new JSONObject(plain_response);
+ if(!json_response.isNull("errors") || json_response.has("errors")) {
+ return new byte[0];
+ }
+
+ return json_response.getString("M2").getBytes();
}
private boolean downloadNewProviderDotJSON(Bundle task) {
@@ -131,7 +258,7 @@ public class ProviderAPI extends IntentService {
String json_file_content = "";
- DefaultHttpClient client = new LeapHttpClient(getApplicationContext());
+ DefaultHttpClient client = LeapHttpClient.getInstance(getApplicationContext());
HttpGet get = new HttpGet(string_url);
// Execute the GET call and obtain the response
HttpResponse getResponse = client.execute(get);