com.uid2.client.TokenRefreshResponse Maven / Gradle / Ivy

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package com.uid2.client;

import com.google.gson.Gson;
import com.google.gson.JsonObject;

import java.time.Instant;

public class TokenRefreshResponse {
    /**
     * @return {@link IdentityTokens#getJsonString()} if this was a successful response ({@link #isSuccess}), otherwise null
     */
    public String getIdentityJsonString() {
        return isSuccess() ? getIdentity().getJsonString() : null;
    }

    /**
     * @return whether this was a successful response
     */
    public boolean isSuccess() {
        return "success".equals(status);
    }

    /**
     * @return whether the user has opted out. See Optout
     */
    public boolean isOptout() {
        return "optout".equals(status);
    }

    /**
     * @return the refreshed IdentityTokens instance if {@link #isSuccess} is true, otherwise null
     */
    public IdentityTokens getIdentity() {
        return refreshedIdentity;
    }

    static JsonObject getBodyAsJson(JsonObject jsonResponse) {
        return jsonResponse.get("body").getAsJsonObject();
    }

    TokenRefreshResponse(String response, Instant timestamp) {
        JsonObject responseJson = new Gson().fromJson(response, JsonObject.class);
        status = responseJson.get("status").getAsString();

        if (isOptout()) {
            return;
        } else if (!isSuccess()) {
            throw new Uid2Exception("Got unexpected token refresh status: " + status);
        }

        refreshedIdentity = IdentityTokens.fromJson(getBodyAsJson(responseJson));
        if (!refreshedIdentity.isRefreshableImpl(timestamp) || refreshedIdentity.hasIdentityExpired(timestamp)) {
            throw new Uid2Exception("Invalid identity in token refresh response: " + response);
        }
    }


    private final String status;
    private IdentityTokens refreshedIdentity;
}