1 files changed, 124 insertions, 0 deletions
diff --git a/javatests/com/google/gerrit/acceptance/server/mail/SignedTokenEmailTokenVerifierIT.java b/javatests/com/google/gerrit/acceptance/server/mail/SignedTokenEmailTokenVerifierIT.java
new file mode 100644
index 0000000000..733511228f
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+++ b/javatests/com/google/gerrit/acceptance/server/mail/SignedTokenEmailTokenVerifierIT.java
@@ -0,0 +1,124 @@
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.gerrit.acceptance.server.mail;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.gerrit.testing.GerritJUnit.assertThrows;
+
+import com.google.common.io.BaseEncoding;
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.server.mail.EmailTokenVerifier;
+import com.google.gerrit.server.mail.EmailTokenVerifier.InvalidTokenException;
+import com.google.gerrit.server.mail.SignedTokenEmailTokenVerifier;
+import com.google.gerrit.testing.ConfigSuite;
+import com.google.gwtjsonrpc.server.SignedToken;
+import java.nio.charset.StandardCharsets;
+import org.eclipse.jgit.lib.Config;
+import org.junit.Before;
+import org.junit.Test;
+
+public class SignedTokenEmailTokenVerifierIT extends AbstractDaemonTest {
+  @ConfigSuite.Default
+  public static Config defaultConfig() {
+    Config cfg = new Config();
+    cfg.setString("auth", null, "registerEmailPrivateKey", SignedToken.generateRandomKey());
+    return cfg;
+  }
+
+  private SignedTokenEmailTokenVerifier signedTokenEmailTokenVerifier;
+
+  @Before
+  public void setUp() throws Exception {
+    signedTokenEmailTokenVerifier =
+        server
+            .getTestInjector()
+            .getBinding(SignedTokenEmailTokenVerifier.class)
+            .getProvider()
+            .get();
+  }
+
+  /** Test encode */
+  @Test
+  public void encode() throws Exception {
+    String tokenString = signedTokenEmailTokenVerifier.encode(user.id, user.email);
+    int index = tokenString.indexOf("$");
+    String text = tokenString.substring(index + 1);
+    String textDecoded = new String(BaseEncoding.base64Url().decode(text), StandardCharsets.UTF_8);
+    int pos = textDecoded.indexOf(":");
+    assertThat(textDecoded.substring(0, pos)).isEqualTo(user.id.toString());
+    assertThat(textDecoded.substring(pos + 1)).isEqualTo(user.email);
+  }
+
+  /** Test decode */
+  @Test
+  public void decode() throws Exception {
+    String tokenString = signedTokenEmailTokenVerifier.encode(user.id, user.email);
+    String tokenKey = tokenString.substring(0, tokenString.indexOf("$"));
+    String text = user.id + ":" + user.email;
+    String invalidTokenString =
+        tokenKey + "$" + BaseEncoding.base64Url().encode(text.getBytes(StandardCharsets.UTF_8));
+    EmailTokenVerifier.ParsedToken parsedToken =
+        signedTokenEmailTokenVerifier.decode(invalidTokenString);
+    assertThat(parsedToken.getAccountId()).isEqualTo(user.id);
+    assertThat(parsedToken.getEmailAddress()).isEqualTo(user.email);
+  }
+
+  /** Test token format is wrong(without '$' to split key and text) */
+  @Test
+  public void invalidFormat() throws Exception {
+    InvalidTokenException thrown =
+        assertThrows(
+            InvalidTokenException.class,
+            () -> signedTokenEmailTokenVerifier.decode("Invalid token"));
+    assertThat(thrown)
+        .hasCauseThat()
+        .hasMessageThat()
+        .isEqualTo("Token does not contain character '$'");
+  }
+
+  /** Test input token string is empty or null */
+  @Test
+  public void emptyInput() throws Exception {
+    InvalidTokenException thrownWithNull =
+        assertThrows(InvalidTokenException.class, () -> signedTokenEmailTokenVerifier.decode(null));
+    InvalidTokenException thrownWithEmpty =
+        assertThrows(InvalidTokenException.class, () -> signedTokenEmailTokenVerifier.decode(""));
+    assertThat(thrownWithNull).hasCauseThat().hasMessageThat().isEqualTo("Empty token");
+    assertThat(thrownWithEmpty).hasCauseThat().hasMessageThat().isEqualTo("Empty token");
+  }
+
+  /** Test token format is right but key is an illegal BASE64 string */
+  @Test
+  public void illegalTokenKey() throws Exception {
+    InvalidTokenException thrown =
+        assertThrows(
+            InvalidTokenException.class,
+            () -> signedTokenEmailTokenVerifier.decode("Illegal token key$...."));
+    assertThat(thrown).hasCauseThat().hasMessageThat().isEqualTo("Token length mismatch");
+  }
+
+  /** Test token text not match the required pattern */
+  @Test
+  public void tokenTextPatternMismatch() throws Exception {
+    String tokenString = signedTokenEmailTokenVerifier.encode(user.id, user.email);
+    String tokenKey = tokenString.substring(0, tokenString.indexOf("$"));
+    String pattern = user.id + ":" + user.email;
+    String invalidTokenTextPattern = tokenKey + "$" + pattern.replace(":", "");
+    InvalidTokenException thrown =
+        assertThrows(
+            InvalidTokenException.class,
+            () -> signedTokenEmailTokenVerifier.decode(invalidTokenTextPattern));
+    assertThat(thrown).hasCauseThat().hasMessageThat().isEqualTo("Token text mismatch");
+  }
+}