Support for configured test devices with hardcoded verification.

Closes #40

// FREEBIE

src/main/java/org/whispersystems/textsecuregcm/WhisperServerConfiguration.java

@@ -25,12 +25,18 @@ import org.whispersystems.textsecuregcm.configuration.RateLimitsConfiguration;
 import org.whispersystems.textsecuregcm.configuration.RedPhoneConfiguration;
 import org.whispersystems.textsecuregcm.configuration.RedisConfiguration;
 import org.whispersystems.textsecuregcm.configuration.S3Configuration;
+import org.whispersystems.textsecuregcm.configuration.TestDeviceConfiguration;
 import org.whispersystems.textsecuregcm.configuration.TwilioConfiguration;
 import org.whispersystems.textsecuregcm.configuration.WebsocketConfiguration;
 
 import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
 
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
 import io.dropwizard.Configuration;
 import io.dropwizard.client.JerseyClientConfiguration;
 import io.dropwizard.db.DataSourceFactory;
@@ -70,6 +76,10 @@ public class WhisperServerConfiguration extends Configuration {
   @JsonProperty
   private DataSourceFactory messageStore;
 
+  @Valid
+  @NotNull
+  @JsonProperty
+  private List<TestDeviceConfiguration> testDevices = new LinkedList<>();
 
   @Valid
   @JsonProperty
@@ -157,4 +167,15 @@ public class WhisperServerConfiguration extends Configuration {
   public RedPhoneConfiguration getRedphoneConfiguration() {
     return redphone;
   }
+
+  public Map<String, Integer> getTestDevices() {
+    Map<String, Integer> results = new HashMap<>();
+
+    for (TestDeviceConfiguration testDeviceConfiguration : testDevices) {
+      results.put(testDeviceConfiguration.getNumber(),
+                  testDeviceConfiguration.getCode());
+    }
+
+    return results;
+  }
 }

src/main/java/org/whispersystems/textsecuregcm/WhisperServerService.java

@@ -192,7 +192,7 @@ public class WhisperServerService extends Application<WhisperServerConfiguration
                                                                deviceAuthenticator,
                                                                Device.class, "WhisperServer"));
 
-    environment.jersey().register(new AccountController(pendingAccountsManager, accountsManager, rateLimiters, smsSender, messagesManager, new TimeProvider(), authorizationKey));
+    environment.jersey().register(new AccountController(pendingAccountsManager, accountsManager, rateLimiters, smsSender, messagesManager, new TimeProvider(), authorizationKey, config.getTestDevices()));
     environment.jersey().register(new DeviceController(pendingDevicesManager, accountsManager, rateLimiters));
     environment.jersey().register(new DirectoryController(rateLimiters, directory));
     environment.jersey().register(new FederationControllerV1(accountsManager, attachmentController, messageController, keysControllerV1));

src/main/java/org/whispersystems/textsecuregcm/configuration/TestDeviceConfiguration.java

@@ -0,0 +1,25 @@
+package org.whispersystems.textsecuregcm.configuration;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.hibernate.validator.constraints.NotEmpty;
+
+import javax.validation.constraints.NotNull;
+
+public class TestDeviceConfiguration {
+
+  @JsonProperty
+  @NotEmpty
+  private String number;
+
+  @JsonProperty
+  @NotNull
+  private int code;
+
+  public String getNumber() {
+    return number;
+  }
+
+  public int getCode() {
+    return code;
+  }
+}

src/main/java/org/whispersystems/textsecuregcm/controllers/AccountController.java

@@ -56,6 +56,7 @@ import javax.ws.rs.core.Response;
 import java.io.IOException;
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
+import java.util.Map;
 
 import io.dropwizard.auth.Auth;
 
@@ -71,6 +72,7 @@ public class AccountController {
   private final MessagesManager        messagesManager;
   private final TimeProvider           timeProvider;
   private final Optional<byte[]>       authorizationKey;
+  private final Map<String, Integer>   testDevices;
 
   public AccountController(PendingAccountsManager pendingAccounts,
                            AccountsManager accounts,
@@ -78,7 +80,8 @@ public class AccountController {
                            SmsSender smsSenderFactory,
                            MessagesManager messagesManager,
                            TimeProvider timeProvider,
-                           Optional<byte[]> authorizationKey)
+                           Optional<byte[]> authorizationKey,
+                           Map<String, Integer> testDevices)
   {
     this.pendingAccounts  = pendingAccounts;
     this.accounts         = accounts;
@@ -87,6 +90,7 @@ public class AccountController {
     this.messagesManager  = messagesManager;
     this.timeProvider     = timeProvider;
     this.authorizationKey = authorizationKey;
+    this.testDevices      = testDevices;
   }
 
   @Timed
@@ -112,10 +116,12 @@ public class AccountController {
         throw new WebApplicationException(Response.status(422).build());
     }
 
-    VerificationCode verificationCode = generateVerificationCode();
+    VerificationCode verificationCode = generateVerificationCode(number);
     pendingAccounts.store(number, verificationCode.getVerificationCode());
 
-    if (transport.equals("sms")) {
+    if (testDevices.containsKey(number)) {
+      // noop
+    } else if (transport.equals("sms")) {
       smsSender.deliverSmsVerification(number, verificationCode.getVerificationCodeDisplay());
     } else if (transport.equals("voice")) {
       smsSender.deliverVoxVerification(number, verificationCode.getVerificationCodeSpeech());
@@ -289,8 +295,12 @@ public class AccountController {
     logger.debug("Stored device...");
   }
 
-  @VisibleForTesting protected VerificationCode generateVerificationCode() {
+  @VisibleForTesting protected VerificationCode generateVerificationCode(String number) {
     try {
+      if (testDevices.containsKey(number)) {
+        return new VerificationCode(testDevices.get(number));
+      }
+
       SecureRandom random = SecureRandom.getInstance("SHA1PRNG");
       int randomInt       = 100000 + random.nextInt(900000);
       return new VerificationCode(randomInt);

src/test/java/org/whispersystems/textsecuregcm/tests/controllers/AccountControllerTest.java

@@ -22,6 +22,8 @@ import org.whispersystems.textsecuregcm.tests.util.AuthHelper;
 
 import javax.ws.rs.core.MediaType;
 
+import java.util.HashMap;
+
 import io.dropwizard.testing.junit.ResourceTestRule;
 import static org.fest.assertions.api.Assertions.assertThat;
 import static org.mockito.Matchers.anyString;
@@ -49,7 +51,8 @@ public class AccountControllerTest {
                                                                                                smsSender,
                                                                                                storedMessages,
                                                                                                timeProvider,
-                                                                                               Optional.of(authorizationKey)))
+                                                                                               Optional.of(authorizationKey),
+                                                                                               new HashMap<String, Integer>()))
                                                             .build();