DexOAuthService: Decode JWTs as UTF-8
Change-Id: I9d90be456d9fb187c8d65b19fb4169608229cd05
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java
index 009ee31..f3841d7 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java
@@ -36,7 +36,9 @@
import com.google.inject.ProvisionException;
import com.google.inject.Singleton;
import java.io.IOException;
+import java.io.UnsupportedEncodingException;
import java.net.URI;
+import java.nio.charset.StandardCharsets;
import java.util.concurrent.ExecutionException;
import org.apache.commons.codec.binary.Base64;
import org.slf4j.Logger;
@@ -76,11 +78,11 @@
.build(new DexApi(rootUrl));
}
- private String parseJwt(String input) {
+ private String parseJwt(String input) throws UnsupportedEncodingException {
String[] parts = input.split("\\.");
Preconditions.checkState(parts.length == 3);
Preconditions.checkNotNull(parts[1]);
- return new String(Base64.decodeBase64(parts[1]));
+ return new String(Base64.decodeBase64(parts[1]), StandardCharsets.UTF_8.name());
}
@Override
@@ -89,8 +91,17 @@
JsonObject tokenObject = tokenJson.getAsJsonObject();
JsonElement id_token = tokenObject.get("id_token");
- JsonElement claimJson =
- JSON.newGson().fromJson(parseJwt(id_token.getAsString()), JsonElement.class);
+ String jwt;
+ try {
+ jwt = parseJwt(id_token.getAsString());
+ } catch (UnsupportedEncodingException e) {
+ throw new IOException(
+ String.format(
+ "%s support is required to interact with JWTs", StandardCharsets.UTF_8.name()),
+ e);
+ }
+
+ JsonElement claimJson = JSON.newGson().fromJson(jwt, JsonElement.class);
// Dex does not support basic profile currently (2017-09), extracting info
// from access token claim