electron-oauth-helper/dist/oauth2/helper.js

Easy to use helper library for OAuth1 and OAuth2.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
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};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var url_1 = __importDefault(require("url"));
var querystring_1 = __importDefault(require("querystring"));
var debug_1 = __importDefault(require("debug"));
var utils_1 = require("../utils");
var __1 = require("../");
var debug = debug_1.default("eoh:oauth2");
var createAuthorizeParameters = function (config) {
    var keys = [
        "client_id",
        "redirect_uri",
        "scope",
        "state",
        "response_type",
    ];
    var parameter = Object.assign({}, keys.reduce(function (prev, key) {
        if (typeof config[key] === "string") {
            prev[key] = config[key];
        }
        return prev;
    }, {}));
    return parameter;
};
exports.authorizationCodeFlowTask = function (config, emitter, window, windowOptions) {
    if (windowOptions === void 0) { windowOptions = { userAgent: "" }; }
    return __awaiter(void 0, void 0, void 0, function () {
        var authorizeParameters, authorizeUrl, userAgent, url, query, error, parameters, headers, postdata;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (!window) {
                        return [2 /*return*/, Promise.reject(new Error("window is required"))];
                    }
                    authorizeParameters = createAuthorizeParameters(config);
                    emitter.emit("before-authorize-request", authorizeParameters);
                    authorizeUrl = config.authorize_url + "?" + querystring_1.default.stringify(authorizeParameters);
                    userAgent = windowOptions.userAgent || "";
                    setImmediate(function () {
                        debug("load", authorizeUrl);
                        if (userAgent.length > 0) {
                            window.loadURL(authorizeUrl, {
                                userAgent: userAgent,
                            });
                        }
                        else {
                            window.loadURL(authorizeUrl);
                        }
                    });
                    debug("start authorizationCodeFlowTask");
                    return [4 /*yield*/, utils_1.awaitRedirect(config.redirect_uri, window.webContents.session.webRequest)];
                case 1:
                    url = _a.sent();
                    debug("redirect url: \"" + url + "\"");
                    query = url_1.default.parse(url, true).query;
                    if (!query) {
                        return [2 /*return*/, Promise.reject(new Error("invalid response: " + url))];
                    }
                    if (query.error) {
                        error = new __1.EOHError("Error response: " + query.error);
                        error.query = url;
                        return [2 /*return*/, Promise.reject(error)];
                    }
                    if (!query.code) {
                        return [2 /*return*/, Promise.reject(new Error("missing 'code' response."))];
                    }
                    if (config.state && !query.state) {
                        return [2 /*return*/, Promise.reject(new Error("missing 'state' response."))];
                    }
                    parameters = {
                        client_id: config.client_id,
                        grant_type: "authorization_code",
                        code: query.code,
                        redirect_uri: config.redirect_uri,
                    };
                    if (config.client_secret) {
                        parameters.client_secret = config.client_secret;
                    }
                    if (query.state) {
                        parameters.state = query.state;
                    }
                    headers = {
                        "Content-Type": "application/x-www-form-urlencoded",
                    };
                    emitter.emit("before-access-token-request", parameters, headers);
                    postdata = querystring_1.default.stringify(parameters);
                    return [4 /*yield*/, utils_1.postRequest({
                            url: config.access_token_url,
                            headers: headers,
                        }, postdata)];
                case 2: return [2 /*return*/, _a.sent()];
            }
        });
    });
};
exports.implicitFlowTask = function (config, emitter, window, windowOptions) {
    if (windowOptions === void 0) { windowOptions = { userAgent: "" }; }
    return __awaiter(void 0, void 0, void 0, function () {
        var authorizeParameters, authorizeUrl, userAgent, url, hash;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (!window) {
                        return [2 /*return*/, Promise.reject(new Error("window is required"))];
                    }
                    authorizeParameters = createAuthorizeParameters(config);
                    emitter.emit("before-authorize-request", authorizeParameters);
                    authorizeUrl = config.authorize_url + "?" + querystring_1.default.stringify(authorizeParameters);
                    userAgent = windowOptions.userAgent || "";
                    setImmediate(function () {
                        if (userAgent.length > 0) {
                            window.loadURL(authorizeUrl, {
                                userAgent: userAgent,
                            });
                        }
                        else {
                            window.loadURL(authorizeUrl);
                        }
                    });
                    debug("start implicitFlowTask:", authorizeUrl, config.redirect_uri);
                    return [4 /*yield*/, utils_1.awaitRedirect(config.redirect_uri, window.webContents.session.webRequest)];
                case 1:
                    url = _a.sent();
                    debug("redirect url: \"" + url + "\"");
                    hash = (url_1.default.parse(url, false).hash || "").replace(/^#/, "");
                    if (hash.includes("error=")) {
                        return [2 /*return*/, Promise.reject(new Error("Error response: " + hash))];
                    }
                    return [2 /*return*/, hash];
            }
        });
    });
};
exports.resourceOwnerPasswordCredentialsFlowTask = function (config, emitter) {
    var parameters = utils_1.omit(config, "access_token_url");
    var headers = {
        "Content-Type": "application/x-www-form-urlencoded",
    };
    emitter.emit("before-access-token-request", parameters, headers);
    var postdata = querystring_1.default.stringify(parameters);
    return utils_1.postRequest({ url: config.access_token_url, headers: headers }, postdata);
};
exports.clientCredentialsFlowTask = function (config, emitter) {
    var parameters = utils_1.omit(config, "access_token_url");
    var headers = {
        "Content-Type": "application/x-www-form-urlencoded",
    };
    emitter.emit("before-access-token-request", parameters, headers);
    var postdata = querystring_1.default.stringify(parameters);
    return utils_1.postRequest({ url: config.access_token_url, headers: headers }, postdata);
};
exports.validate = function (config) {
    var type = config.response_type || config.grant_type || "code";
    var requiredKeys = (function () {
        switch (type) {
            case "code":
                return [
                    "client_id",
                    "authorize_url",
                    "access_token_url",
                    "redirect_uri",
                ];
            case "token":
                return ["client_id", "authorize_url", "redirect_uri"];
            case "password":
                return ["access_token_url", "username", "password"];
            case "client_credentials":
                return ["access_token_url"];
            default:
                throw new Error("Unsupported type: " + type);
        }
    })();
    var missing = requiredKeys.find(function (k) { return typeof config[k] !== "string"; });
    if (missing) {
        return new Error(missing + " is required for " + type);
    }
};
exports.needWindowForGrantType = function (config) {
    var type = config.response_type || config.grant_type || "code";
    switch (type) {
        case "code":
        case "token":
            return true;
        case "password":
        case "client_credentials":
            return false;
        default:
            throw new Error("Unsupported type: " + type);
    }
};
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