X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/6cb867cbebec69a7652fec0b9e6cb2860e99bcbf..7f64a9812ca5bb10e8f57cacf3d22b904bd200b4:/lib/src/main/java/org/asamk/signal/manager/ProvisioningManager.java

diff --git a/lib/src/main/java/org/asamk/signal/manager/ProvisioningManager.java b/lib/src/main/java/org/asamk/signal/manager/ProvisioningManager.java
index e813340e..80c214f7 100644
--- a/lib/src/main/java/org/asamk/signal/manager/ProvisioningManager.java
+++ b/lib/src/main/java/org/asamk/signal/manager/ProvisioningManager.java
@@ -20,6 +20,7 @@ import org.asamk.signal.manager.config.ServiceConfig;
 import org.asamk.signal.manager.config.ServiceEnvironment;
 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
 import org.asamk.signal.manager.storage.SignalAccount;
+import org.asamk.signal.manager.storage.identities.TrustNewIdentity;
 import org.asamk.signal.manager.util.KeyUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -29,9 +30,8 @@ import org.whispersystems.signalservice.api.SignalServiceAccountManager;
 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
+import org.whispersystems.signalservice.api.push.exceptions.AuthorizationFailedException;
 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
-import org.whispersystems.signalservice.api.util.SleepTimer;
-import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
 
 import java.io.File;
@@ -60,7 +60,6 @@ public class ProvisioningManager {
         tempIdentityKey = KeyUtils.generateIdentityKeyPair();
         registrationId = KeyHelper.generateRegistrationId(false);
         password = KeyUtils.createPassword();
-        final SleepTimer timer = new UptimeSleepTimer();
         GroupsV2Operations groupsV2Operations;
         try {
             groupsV2Operations = new GroupsV2Operations(ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration()));
@@ -71,8 +70,7 @@ public class ProvisioningManager {
                 new DynamicCredentialsProvider(null, null, password, SignalServiceAddress.DEFAULT_DEVICE_ID),
                 userAgent,
                 groupsV2Operations,
-                ServiceConfig.AUTOMATIC_NETWORK_RETRY,
-                timer);
+                ServiceConfig.AUTOMATIC_NETWORK_RETRY);
     }
 
     public static ProvisioningManager init(
@@ -95,7 +93,9 @@ public class ProvisioningManager {
         var ret = accountManager.getNewDeviceRegistration(tempIdentityKey);
         var number = ret.getNumber();
 
-        if (SignalAccount.userExists(pathConfig.getDataPath(), number)) {
+        logger.info("Received link information from {}, linking in progress ...", number);
+
+        if (SignalAccount.userExists(pathConfig.getDataPath(), number) && !canRelinkExistingAccount(number)) {
             throw new UserAlreadyExists(number, SignalAccount.getFileName(pathConfig.getDataPath(), number));
         }
 
@@ -114,7 +114,7 @@ public class ProvisioningManager {
 
         SignalAccount account = null;
         try {
-            account = SignalAccount.createLinkedAccount(pathConfig.getDataPath(),
+            account = SignalAccount.createOrUpdateLinkedAccount(pathConfig.getDataPath(),
                     number,
                     ret.getUuid(),
                     password,
@@ -122,7 +122,8 @@ public class ProvisioningManager {
                     deviceId,
                     ret.getIdentity(),
                     registrationId,
-                    profileKey);
+                    profileKey,
+                    TrustNewIdentity.ON_FIRST_USE);
 
             Manager m = null;
             try {
@@ -131,7 +132,7 @@ public class ProvisioningManager {
                 try {
                     m.refreshPreKeys();
                 } catch (Exception e) {
-                    logger.error("Failed to refresh prekeys.");
+                    logger.error("Failed to check new account state.");
                     throw e;
                 }
 
@@ -158,4 +159,31 @@ public class ProvisioningManager {
             }
         }
     }
+
+    private boolean canRelinkExistingAccount(final String number) throws IOException {
+        final SignalAccount signalAccount;
+        try {
+            signalAccount = SignalAccount.load(pathConfig.getDataPath(), number, false, TrustNewIdentity.ON_FIRST_USE);
+        } catch (IOException e) {
+            logger.debug("Account in use or failed to load.", e);
+            return false;
+        }
+
+        try (signalAccount) {
+            if (signalAccount.isMasterDevice()) {
+                logger.debug("Account is a master device.");
+                return false;
+            }
+
+            final var m = new Manager(signalAccount, pathConfig, serviceEnvironmentConfig, userAgent);
+            try (m) {
+                m.checkAccountState();
+            } catch (AuthorizationFailedException ignored) {
+                return true;
+            }
+
+            logger.debug("Account is still successfully linked.");
+            return false;
+        }
+    }
 }