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Add an endpoint for getting the current state of feature flags.

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This commit is contained in:
Jon Chambers
2020-08-27 12:25:25 -04:00
committed by Jon Chambers
parent acf52ad8a3
commit 32b18c9509
3 changed files with 52 additions and 1 deletions
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15
service/src/main/java/org/whispersystems/textsecuregcm/controllers/FeatureFlagsController.java
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@@ -6,15 +6,19 @@ import org.whispersystems.textsecuregcm.storage.FeatureFlagsManager;
import javax.ws.rs.DELETE;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@Path("/v1/featureflag")
@@ -28,6 +32,17 @@ public class FeatureFlagsController {
this.authorizedTokens = authorizedTokens.stream().map(token -> token.getBytes(StandardCharsets.UTF_8)).collect(Collectors.toList());
}
@Timed
@GET
@Produces(MediaType.APPLICATION_JSON)
public Map<String, Boolean> get(@HeaderParam("Token") final String token) {
if (!isAuthorized(token)) {
throw new WebApplicationException(Response.Status.UNAUTHORIZED);
}
return featureFlagsManager.getAllFlags();
}
@Timed
@PUT
@Path("/{featureFlag}")

6
service/src/main/java/org/whispersystems/textsecuregcm/storage/FeatureFlagsManager.java
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@@ -67,11 +67,15 @@ public class FeatureFlagsManager implements Managed {
refreshFeatureFlags();
}
public Map<String, Boolean> getAllFlags() {
return featureFlags.get();
}
@VisibleForTesting
void refreshFeatureFlags() {
final Map<String, Boolean> refreshedFeatureFlags = featureFlagDatabase.getFeatureFlags();
featureFlags.set(refreshedFeatureFlags);
featureFlags.set(Collections.unmodifiableMap(refreshedFeatureFlags));
for (final Map.Entry<String, Boolean> entry : refreshedFeatureFlags.entrySet()) {
final String featureFlag = entry.getKey();