"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.BoxCcgAuth = exports.CcgConfig = void 0;
const network_1 = require("../networking/network");
const tokenStorage_1 = require("./tokenStorage");
const authorization_1 = require("../managers/authorization");
const errors_1 = require("./errors");
class CcgConfig {
    /**
     * Box API key used for identifying the application the user is authenticating with */
    clientId;
    /**
     * Box API secret used for making auth requests. */
    clientSecret;
    /**
     * The ID of the Box Developer Edition enterprise. */
    enterpriseId;
    /**
     * The user id to authenticate. This value is not required. But if it is provided, then the user will be auto-authenticated at the time of the first API call. */
    userId;
    /**
     * Object responsible for storing token. If no custom implementation provided,the token will be stored in memory. */
    tokenStorage = new tokenStorage_1.InMemoryTokenStorage({});
    constructor(fields) {
        if (fields.clientId !== undefined) {
            this.clientId = fields.clientId;
        }
        if (fields.clientSecret !== undefined) {
            this.clientSecret = fields.clientSecret;
        }
        if (fields.enterpriseId !== undefined) {
            this.enterpriseId = fields.enterpriseId;
        }
        if (fields.userId !== undefined) {
            this.userId = fields.userId;
        }
        if (fields.tokenStorage !== undefined) {
            this.tokenStorage = fields.tokenStorage;
        }
    }
}
exports.CcgConfig = CcgConfig;
class BoxCcgAuth {
    /**
     * Configuration object of Client Credentials Grant auth. */
    config;
    /**
     * An object responsible for storing token. If no custom implementation provided, the token will be stored in memory. */
    tokenStorage;
    /**
     * The ID of the user or enterprise to authenticate as. If not provided, defaults to the enterprise ID if set, otherwise defaults to the user ID. */
    subjectId;
    /**
     * The type of the subject ID provided. Must be either 'user' or 'enterprise'. */
    subjectType;
    constructor(fields) {
        if (fields.config !== undefined) {
            this.config = fields.config;
        }
        this.tokenStorage = this.config.tokenStorage;
        this.subjectId = !(this.config.userId == void 0)
            ? this.config.userId
            : this.config.enterpriseId;
        this.subjectType = !(this.config.userId == void 0)
            ? 'user'
            : 'enterprise';
    }
    /**
     * Get a new access token using CCG auth
     * @param {NetworkSession} networkSession An object to keep network session state
     * @returns {Promise<AccessToken>}
     */
    async refreshToken(networkSession) {
        const authManager = new authorization_1.AuthorizationManager({
            networkSession: !(networkSession == void 0)
                ? networkSession
                : new network_1.NetworkSession({}),
        });
        const token = await authManager.requestAccessToken({
            grantType: 'client_credentials',
            clientId: this.config.clientId,
            clientSecret: this.config.clientSecret,
            boxSubjectType: this.subjectType,
            boxSubjectId: this.subjectId,
        });
        await this.tokenStorage.store(token);
        return token;
    }
    /**
     * Return a current token or get a new one when not available.
     * @param {NetworkSession} networkSession An object to keep network session state
     * @returns {Promise<AccessToken>}
     */
    async retrieveToken(networkSession) {
        const oldToken = await this.tokenStorage.get();
        if (oldToken == void 0) {
            const newToken = await this.refreshToken(networkSession);
            return newToken;
        }
        return oldToken;
    }
    /**
     * @param {NetworkSession} networkSession
     * @returns {Promise<string>}
     */
    async retrieveAuthorizationHeader(networkSession) {
        const token = await this.retrieveToken(networkSession);
        return ''.concat('Bearer ', token.accessToken);
    }
    /**
     * Create a new BoxCCGAuth instance that uses the provided user ID as the subject ID.
     * May be one of this application's created App User. Depending on the configured User Access Level, may also be any other App User or Managed User in the enterprise.
     * <https://developer.box.com/en/guides/applications/>
     * <https://developer.box.com/en/guides/authentication/select/>
     * @param {string} userId The id of the user to authenticate
     * @param {TokenStorage} tokenStorage Object responsible for storing token in newly created BoxCCGAuth. If no custom implementation provided, the token will be stored in memory.
     * @returns {BoxCcgAuth}
     */
    withUserSubject(userId, tokenStorage = new tokenStorage_1.InMemoryTokenStorage({})) {
        const newConfig = new CcgConfig({
            clientId: this.config.clientId,
            clientSecret: this.config.clientSecret,
            enterpriseId: this.config.enterpriseId,
            userId: userId,
            tokenStorage: tokenStorage,
        });
        return new BoxCcgAuth({ config: newConfig });
    }
    /**
     * Create a new BoxCCGAuth instance that uses the provided enterprise ID as the subject ID.
     * @param {string} enterpriseId The id of the enterprise to authenticate
     * @param {TokenStorage} tokenStorage Object responsible for storing token in newly created BoxCCGAuth. If no custom implementation provided, the token will be stored in memory.
     * @returns {BoxCcgAuth}
     */
    withEnterpriseSubject(enterpriseId, tokenStorage = new tokenStorage_1.InMemoryTokenStorage({})) {
        const newConfig = new CcgConfig({
            clientId: this.config.clientId,
            clientSecret: this.config.clientSecret,
            enterpriseId: enterpriseId,
            userId: void 0,
            tokenStorage: tokenStorage,
        });
        return new BoxCcgAuth({ config: newConfig });
    }
    /**
     * Downscope access token to the provided scopes. Returning a new access token with the provided scopes, with the original access token unchanged.
     * @param {readonly string[]} scopes The scope(s) to apply to the resulting token.
     * @param {string} resource The file or folder to get a downscoped token for. If None and shared_link None, the resulting token will not be scoped down to just a single item. The resource should be a full URL to an item, e.g. https://api.box.com/2.0/files/123456.
     * @param {string} sharedLink The shared link to get a downscoped token for. If None and item None, the resulting token will not be scoped down to just a single item.
     * @param {NetworkSession} networkSession An object to keep network session state
     * @returns {Promise<AccessToken>}
     */
    async downscopeToken(scopes, resource, sharedLink, networkSession) {
        const token = await this.retrieveToken(networkSession);
        if (token == void 0) {
            throw new errors_1.BoxSdkError({
                message: 'No access token is available. Make an API call to retrieve a token before calling this method.',
            });
        }
        const authManager = new authorization_1.AuthorizationManager({
            networkSession: !(networkSession == void 0)
                ? networkSession
                : new network_1.NetworkSession({}),
        });
        const downscopedToken = await authManager.requestAccessToken({
            grantType: 'urn:ietf:params:oauth:grant-type:token-exchange',
            subjectToken: token.accessToken,
            subjectTokenType: 'urn:ietf:params:oauth:token-type:access_token',
            scope: scopes.join(' '),
            resource: resource,
            boxSharedLink: sharedLink,
        });
        return downscopedToken;
    }
    /**
     * Revoke the current access token and remove it from token storage.
     * @param {NetworkSession} networkSession An object to keep network session state
     * @returns {Promise<undefined>}
     */
    async revokeToken(networkSession) {
        const oldToken = await this.tokenStorage.get();
        if (oldToken == void 0) {
            return void 0;
        }
        const authManager = new authorization_1.AuthorizationManager({
            networkSession: !(networkSession == void 0)
                ? networkSession
                : new network_1.NetworkSession({}),
        });
        await authManager.revokeAccessToken({
            clientId: this.config.clientId,
            clientSecret: this.config.clientSecret,
            token: oldToken.accessToken,
        });
        await this.tokenStorage.clear();
        return void 0;
    }
}
exports.BoxCcgAuth = BoxCcgAuth;
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