656 lines
23 KiB
JavaScript
656 lines
23 KiB
JavaScript
'use strict';
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module.exports.create = function (xconfx, apiFactories, apiDeps) {
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var PromiseA = apiDeps.Promise;
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var mkdirpAsync = PromiseA.promisify(require('mkdirp'));
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//var express = require('express');
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var express = require('express-lazy');
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var fs = PromiseA.promisifyAll(require('fs'));
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var path = require('path');
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var localCache = { rests: {}, pkgs: {} };
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var promisableRequest = require('./common').promisableRequest;
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var rejectableRequest = require('./common').rejectableRequest;
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var crypto = require('crypto');
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// TODO xconfx.apispath
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xconfx.restPath = path.join(__dirname, '..', '..', 'packages', 'rest');
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xconfx.apiPath = path.join(__dirname, '..', '..', 'packages', 'api');
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xconfx.appApiGrantsPath = path.join(__dirname, '..', '..', 'packages', 'client-api-grants');
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xconfx.appConfigPath = path.join(__dirname, '..', '..', 'var');
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function notConfigured(req, res) {
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var msg = "api package '" + req.pkgId + "' not configured for client uri '" + req.experienceId + "'"
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+ ". To configure it place a new line '" + req.pkgId + "' in the file '/srv/walnut/packages/client-api-grants/" + req.experienceId + "'"
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;
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res.send({ error: { message: msg } });
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}
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/*
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function isThisPkgInstalled(myConf, pkgId) {
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}
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*/
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function isThisClientAllowedToUseThisPkg(myConf, clientUrih, pkgId) {
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var appApiGrantsPath = path.join(myConf.appApiGrantsPath, clientUrih);
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return fs.readFileAsync(appApiGrantsPath, 'utf8').then(function (text) {
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return text.trim().split(/\n/);
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}, function (err) {
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if ('ENOENT' !== err.code) {
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console.error(err);
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}
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return [];
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}).then(function (apis) {
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if (apis.some(function (api) {
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if (api === pkgId) {
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return true;
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}
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})) {
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return true;
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}
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if (clientUrih === ('api.' + xconfx.setupDomain) && 'org.oauth3.consumer' === pkgId) {
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// fallthrough
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return true;
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} else {
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return null;
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}
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});
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}
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function getSitePackageConfig(clientUrih, pkgId) {
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var siteConfigPath = path.join(xconfx.appConfigPath, clientUrih);
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return mkdirpAsync(siteConfigPath).then(function () {
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return fs.readFileAsync(path.join(siteConfigPath, pkgId + '.json'), 'utf8').then(function (text) {
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return JSON.parse(text);
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}).then(function (data) { return data; }, function (/*err*/) { return {}; });
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});
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}
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function getSiteConfig(clientUrih) {
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// TODO test if the requesting package has permission to the root-level site config
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var siteConfigPath = path.join(xconfx.appConfigPath, clientUrih);
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return mkdirpAsync(siteConfigPath).then(function () {
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return fs.readFileAsync(path.join(siteConfigPath, 'config.json'), 'utf8').then(function (text) {
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return JSON.parse(text);
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}).then(function (data) { return data; }, function (/*err*/) { return {}; });
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});
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}
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var modelsCache = {};
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function getSiteStore(clientUrih, pkgId, dir) {
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if (!modelsCache[clientUrih]) {
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modelsCache[clientUrih] = apiFactories.systemSqlFactory.create({
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init: true
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, dbname: clientUrih // '#' is a valid file name character
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});
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}
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// DB scopes:
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// system (global)
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// experience (per domain)
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// api (per api)
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// account (per user account)
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// client (per 3rd party client)
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// scope Experience to db
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// scope Api by table
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// scope Account and Client by column
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return modelsCache[clientUrih].then(function (db) {
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var wrap = require('masterquest-sqlite3');
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return wrap.wrap(db, dir).then(function (models) {
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//modelsCache[clientUrih] = PromiseA.resolve(models);
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return models;
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});
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});
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}
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function accountRequiredById(req, res, next) {
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var promise = req.oauth3.verifyAsync().then(function (/*result*/) {
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var tok = req.oauth3.token;
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var accountId = req.params.accountId || '__NO_ID_GIVEN__';
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var ppid;
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if (tok.sub && tok.sub.split(/,/g).filter(function (ppid) {
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return ppid === accountId;
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}).length) {
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ppid = accountId;
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}
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if (tok.axs && tok.axs.filter(function (acc) {
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return acc.id === accountId || acc.appScopedId === accountId;
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}).length) {
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ppid = accountId;
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}
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if (tok.acx && accountId === (tok.acx.appScopedId || tok.acx.id || tok.acx)) {
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ppid = accountId;
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}
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if (!ppid) {
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return PromiseA.reject(new Error("missing accountId '" + accountId + "' in access token"));
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}
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return req.oauth3.rescope(ppid).then(function (accountIdx) {
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req.oauth3.accountIdx = accountIdx;
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req.oauth3.ppid = ppid;
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req.oauth3.accountHash = crypto.createHash('sha1').update(accountIdx).digest('hex');
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//console.log('[com.daplie.walnut] accountIdx:', accountIdx);
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//console.log('[com.daplie.walnut] ppid:', ppid);
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next();
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});
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});
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rejectableRequest(req, res, promise, "[com.daplie.walnut] attach account by id");
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}
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function accountRequired(req, res, next) {
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// if this already has auth, great
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if (req.oauth3.ppid) {
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next();
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return;
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}
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// being public does not disallow authentication
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if (req.isPublic && !req.oauth3.encodedToken) {
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next();
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return;
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}
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if (!req.oauth3.encodedToken) {
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rejectableRequest(
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req
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, res
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, PromiseA.reject(new Error("this secure resource requires an access token"))
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, "[com.daplie.walnut] required account (not /public)"
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);
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return;
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}
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// verify the auth if it's here
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var promise = req.oauth3.verifyAsync().then(function (/*result*/) {
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var tok = req.oauth3.token;
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var ppid;
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var err;
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if (tok.sub) {
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if (tok.sub.split(/,/g).length > 1) {
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err = new Error("more than one 'sub' specified in token");
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return PromiseA.reject(err);
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}
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ppid = tok.sub;
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}
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else if (tok.axs && tok.axs.length) {
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if (tok.axs.length > 1) {
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err = new Error("more than one 'axs' specified in token (also, update to using 'sub' instead)");
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return PromiseA.reject(err);
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}
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ppid = tok.axs[0].appScopedId || tok.axs[0].id;
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}
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else if (tok.acx) {
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ppid = tok.acx.appScopedId || tok.acx.id || tok.acx;
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}
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if (!ppid) {
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return PromiseA.reject(new Error("could not determine accountId from access token"));
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}
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return req.oauth3.rescope(ppid).then(function (accountIdx) {
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req.oauth3.accountIdx = accountIdx;
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req.oauth3.ppid = ppid;
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req.oauth3.accountHash = crypto.createHash('sha1').update(accountIdx).digest('hex');
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next();
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});
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});
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rejectableRequest(req, res, promise, "[com.daplie.walnut] required account (not /public)");
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}
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function loadRestHelper(myConf, clientUrih, pkgId) {
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var pkgPath = path.join(myConf.restPath, pkgId);
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var pkgLinks = [];
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pkgLinks.push(pkgId);
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// TODO allow recursion, but catch cycles
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return fs.lstatAsync(pkgPath).then(function (stat) {
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if (!stat.isFile()) {
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return;
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}
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return fs.readFileAsync(pkgPath, 'utf8').then(function (text) {
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pkgId = text.trim();
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pkgPath = path.join(myConf.restPath, pkgId);
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});
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}, function () {
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// ignore error
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return;
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}).then(function () {
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// TODO should not require package.json. Should work with files alone.
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return fs.readFileAsync(path.join(pkgPath, 'package.json'), 'utf8').then(function (text) {
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var pkg = JSON.parse(text);
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var pkgDeps = {};
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var myApp;
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if (pkg.walnut) {
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pkgPath = path.join(pkgPath, pkg.walnut);
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}
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Object.keys(apiDeps).forEach(function (key) {
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pkgDeps[key] = apiDeps[key];
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});
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Object.keys(apiFactories).forEach(function (key) {
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pkgDeps[key] = apiFactories[key];
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});
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// TODO pull db stuff from package.json somehow and pass allowed data models as deps
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//
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// how can we tell which of these would be correct?
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// deps.memstore = apiFactories.memstoreFactory.create(pkgId);
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// deps.memstore = apiFactories.memstoreFactory.create(req.experienceId);
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// deps.memstore = apiFactories.memstoreFactory.create(req.experienceId + pkgId);
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// let's go with this one for now and the api can choose to scope or not to scope
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pkgDeps.memstore = apiFactories.memstoreFactory.create(pkgId);
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console.log('DEBUG pkgPath', pkgPath);
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myApp = express();
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myApp.handlePromise = promisableRequest;
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myApp.handleRejection = rejectableRequest;
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myApp.grantsRequired = function (grants) {
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if (!Array.isArray(grants)) {
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throw new Error("Usage: app.grantsRequired([ 'name|altname|altname2', 'othergrant' ])");
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}
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if (!grants.length) {
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return function (req, res, next) {
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next();
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};
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}
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return function (req, res, next) {
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var tokenScopes;
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if (!(req.oauth3 || req.oauth3.token)) {
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// TODO some error generator for standard messages
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res.send({ error: { message: "You must be logged in", code: "E_NO_AUTHN" } });
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return;
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}
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if ('string' !== typeof req.oauth3.token.scp) {
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res.send({ error: { message: "Token must contain a grants string in 'scp'", code: "E_NO_GRANTS" } });
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return;
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}
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tokenScopes = req.oauth3.token.scp.split(/[,\s]+/mg);
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if (-1 !== tokenScopes.indexOf('*')) {
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// has full account access
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next();
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return;
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}
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// every grant in the array must be present
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if (!grants.every(function (grant) {
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var scopes = grant.split(/\|/g);
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return scopes.some(function (scp) {
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return tokenScopes.some(function (s) {
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return scp === s;
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});
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});
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})) {
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res.send({ error: { message: "Token does not contain valid grants: '" + grants + "'", code: "E_NO_GRANTS" } });
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return;
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}
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next();
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};
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};
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var _getOauth3Controllers = pkgDeps.getOauth3Controllers = require('oauthcommon/example-oauthmodels').create(
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{ sqlite3Sock: xconfx.sqlite3Sock, ipcKey: xconfx.ipcKey }
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).getControllers;
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//require('oauthcommon').inject(packagedApi._getOauth3Controllers, packagedApi._api, pkgConf, pkgDeps);
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require('oauthcommon').inject(_getOauth3Controllers, myApp/*, pkgConf, pkgDeps*/);
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// TODO delete these caches when config changes
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var _stripe;
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var _stripe_test;
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var _mandrill;
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var _mailchimp;
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var _twilio;
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myApp.use('/', function preHandler(req, res, next) {
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return getSiteConfig(clientUrih).then(function (siteConfig) {
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Object.defineProperty(req, 'getSiteMailer', {
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enumerable: true
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, configurable: false
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, writable: false
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, value: function getSiteMailerProp() {
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var nodemailer = require('nodemailer');
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var transport = require('nodemailer-mailgun-transport');
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//var mailconf = require('../../../com.daplie.mailer/config.mailgun');
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var mailconf = siteConfig['mailgun.org'];
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var mailer = PromiseA.promisifyAll(nodemailer.createTransport(transport(mailconf)));
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return mailer;
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}
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});
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Object.defineProperty(req, 'getSiteConfig', {
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enumerable: true
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, configurable: false
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, writable: false
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, value: function getSiteConfigProp(section) {
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return PromiseA.resolve((siteConfig || {})[section]);
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}
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});
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Object.defineProperty(req, 'getSitePackageConfig', {
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enumerable: true
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, configurable: false
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, writable: false
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, value: function getSitePackageConfigProp() {
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return getSitePackageConfig(clientUrih, pkgId);
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}
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});
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Object.defineProperty(req, 'getSiteStore', {
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enumerable: true
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, configurable: false
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, writable: false
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, value: function getSiteStoreProp() {
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var restPath = path.join(myConf.restPath, pkgId);
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var apiPath = path.join(myConf.apiPath, pkgId);
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var dir;
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// TODO usage package.json as a falback if the standard location is not used
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try {
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dir = require(path.join(apiPath, 'models.js'));
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} catch(e) {
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dir = require(path.join(restPath, 'models.js'));
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}
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return getSiteStore(clientUrih, pkgId, dir);
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}
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});
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/*
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Object.defineProperty(req, 'getSitePayments', {
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enumerable: true
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, configurable: false
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, writable: false
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, value: function getSitePaymentsProp() {
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}
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});
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*/
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// TODO allow third-party clients stripe ids destination
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// https://stripe.com/docs/connect/payments-fees
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Object.defineProperty(req, 'Stripe', {
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enumerable: true
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, configurable: false
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, get: function () {
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_stripe = _stripe || require('stripe')(siteConfig['stripe.com'].live.secret);
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return _stripe;
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}
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});
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Object.defineProperty(req, 'StripeTest', {
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enumerable: true
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, configurable: false
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, get: function () {
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_stripe_test = _stripe_test || require('stripe')(siteConfig['stripe.com'].test.secret);
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return _stripe_test;
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}
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});
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Object.defineProperty(req, 'Mandrill', {
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enumerable: true
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, configurable: false
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, get: function () {
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if (!_mandrill) {
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var Mandrill = require('mandrill-api/mandrill');
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_mandrill = new Mandrill.Mandrill(siteConfig['mandrill.com'].apiKey);
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_mandrill.messages.sendTemplateAsync = function (opts) {
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return new PromiseA(function (resolve, reject) {
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_mandrill.messages.sendTemplate(opts, resolve, reject);
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});
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};
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}
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return _mandrill;
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}
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});
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Object.defineProperty(req, 'Mailchimp', {
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enumerable: true
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, configurable: false
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, get: function () {
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var Mailchimp = require('mailchimp-api-v3');
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_mailchimp = _mailchimp || new Mailchimp(siteConfig['mailchimp.com'].apiKey);
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return _mailchimp;
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}
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});
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if (xconfx.debug) { console.log('[api.js] twilio added'); }
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var Twilio = require('twilio');
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function twilioTel(/*opts*/) {
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if (_twilio) {
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return _twilio;
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}
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_twilio = new Twilio.RestClient(
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siteConfig['twilio.com'].live.id
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, siteConfig['twilio.com'].live.auth
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);
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return apiDeps.Promise.resolve(_twilio);
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}
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// Twilio Parameters are often 26 long
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var bodyParserTwilio = require('body-parser').urlencoded({ limit: '4kb', parameterLimit: 100, extended: false });
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var caps = {
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'twilio@daplie.com': twilioTel
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, 'com.daplie.tel.twilio': twilioTel // deprecated
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, 'twilio.urlencoded@daplie.com': function (req, res, next) {
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// TODO null for res and Promise instead of next?
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return bodyParserTwilio(req, res, function () {
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var signature = req.headers['x-twilio-signature'];
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var auth = siteConfig['twilio.com'].live.auth;
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var fullUrl = 'https://' + req.headers.host + req._walnutOriginalUrl;
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var validSig = Twilio.validateRequest(auth, signature, fullUrl, req.body);
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/*
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console.log('Twilio Signature Check');
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console.log('auth', auth);
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console.log('sig', signature);
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console.log('fullUrl', fullUrl);
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console.log(req.body);
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console.log('valid', validSig);
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*/
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if (!validSig) {
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res.statusCode = 401;
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res.setHeader('Content-Type', 'text/xml');
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res.end('<Error>Invalid signature. Are you even Twilio?</Error>');
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return;
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}
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// TODO session via db req.body.CallId req.body.smsId
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next();
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});
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}
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};
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req.getSiteCapability = function (capname, opts, b, c) {
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if (caps[capname]) {
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return caps[capname](opts, b, c);
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}
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return apiDeps.Promise.reject(
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new Error("['" + req.clientApiUri + '/' + pkgId + "'] "
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+ "capability '" + capname + "' not implemented")
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);
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};
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req._walnutOriginalUrl = req.url;
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// "/path/api/com.example/hello".replace(/.*\/api\//, '').replace(/([^\/]*\/+)/, '/') => '/hello'
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req.url = req.url.replace(/\/api\//, '').replace(/.*\/api\//, '').replace(/([^\/]*\/+)/, '/');
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next();
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});
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});
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myApp.use('/public', function preHandler(req, res, next) {
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// TODO authenticate or use guest user
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req.isPublic = true;
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next();
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});
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myApp.use('/accounts/:accountId', accountRequiredById);
|
|
myApp.use('/acl', accountRequired);
|
|
|
|
//
|
|
// TODO handle /accounts/:accountId
|
|
//
|
|
return PromiseA.resolve(require(pkgPath).create({
|
|
etcpath: xconfx.etcpath
|
|
}/*pkgConf*/, pkgDeps/*pkgDeps*/, myApp/*myApp*/)).then(function (handler) {
|
|
|
|
myApp.use('/', function postHandler(req, res, next) {
|
|
req.url = req._walnutOriginalUrl;
|
|
next();
|
|
});
|
|
|
|
localCache.pkgs[pkgId] = { pkgId: pkgId, pkg: pkg, handler: handler || myApp, createdAt: Date.now() };
|
|
pkgLinks.forEach(function (pkgLink) {
|
|
localCache.pkgs[pkgLink] = localCache.pkgs[pkgId];
|
|
});
|
|
return localCache.pkgs[pkgId];
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
// Read packages/apis/sub.sld.tld (forward dns) to find list of apis as tld.sld.sub (reverse dns)
|
|
// TODO packages/allowed_apis/sub.sld.tld (?)
|
|
// TODO auto-register org.oauth3.consumer for primaryDomain (and all sites?)
|
|
function loadRestHandler(myConf, clientUrih, pkgId) {
|
|
return PromiseA.resolve().then(function () {
|
|
if (!localCache.pkgs[pkgId]) {
|
|
return loadRestHelper(myConf, clientUrih, pkgId);
|
|
}
|
|
|
|
return localCache.pkgs[pkgId];
|
|
// TODO expire require cache
|
|
/*
|
|
if (Date.now() - localCache.pkgs[pkgId].createdAt < (5 * 60 * 1000)) {
|
|
return;
|
|
}
|
|
*/
|
|
}, function (/*err*/) {
|
|
// TODO what kind of errors might we want to handle?
|
|
return null;
|
|
}).then(function (restPkg) {
|
|
return restPkg;
|
|
});
|
|
}
|
|
|
|
var CORS = require('connect-cors');
|
|
var cors = CORS({ credentials: true, headers: [
|
|
'X-Requested-With'
|
|
, 'X-HTTP-Method-Override'
|
|
, 'Content-Type'
|
|
, 'Accept'
|
|
, 'Authorization'
|
|
], methods: [ "GET", "POST", "PATCH", "PUT", "DELETE" ] });
|
|
var staleAfter = (5 * 60 * 1000);
|
|
|
|
return function (req, res, next) {
|
|
cors(req, res, function () {
|
|
if (xconfx.debug) { console.log('[api.js] post cors'); }
|
|
|
|
// Canonical client names
|
|
// example.com should use api.example.com/api for all requests
|
|
// sub.example.com/api should resolve to sub.example.com
|
|
// example.com/subpath/api should resolve to example.com#subapp
|
|
// sub.example.com/subpath/api should resolve to sub.example.com#subapp
|
|
var clientUrih = req.hostname.replace(/^api\./, '') + req.url.replace(/\/api\/.*/, '/').replace(/\/+/g, '#').replace(/#$/, '');
|
|
var clientApiUri = req.hostname + req.url.replace(/\/api\/.*/, '/').replace(/\/$/, '');
|
|
// Canonical package names
|
|
// '/api/com.daplie.hello/hello' should resolve to 'com.daplie.hello'
|
|
// '/subapp/api/com.daplie.hello/hello' should also 'com.daplie.hello'
|
|
// '/subapp/api/com.daplie.hello/' may exist... must be a small api
|
|
var pkgId = req.url.replace(/.*\/api\//, '').replace(/^\//, '').replace(/\/.*/, '');
|
|
var now = Date.now();
|
|
var hasBeenHandled = false;
|
|
|
|
// Existing (Deprecated)
|
|
Object.defineProperty(req, 'apiUrlPrefix', {
|
|
enumerable: true
|
|
, configurable: false
|
|
, writable: false
|
|
, value: 'https://' + clientApiUri + '/' + pkgId
|
|
});
|
|
Object.defineProperty(req, 'experienceId', {
|
|
enumerable: true
|
|
, configurable: false
|
|
, writable: false
|
|
, value: clientUrih
|
|
});
|
|
Object.defineProperty(req, 'clientApiUri', {
|
|
enumerable: true
|
|
, configurable: false
|
|
, writable: false
|
|
, value: clientApiUri
|
|
});
|
|
Object.defineProperty(req, 'apiId', {
|
|
enumerable: true
|
|
, configurable: false
|
|
, writable: false
|
|
, value: pkgId
|
|
});
|
|
|
|
// New
|
|
Object.defineProperty(req, 'clientUrih', {
|
|
enumerable: true
|
|
, configurable: false
|
|
, writable: false
|
|
// TODO this identifier may need to be non-deterministic as to transfer if a domain name changes but is still the "same" app
|
|
// (i.e. a company name change. maybe auto vs manual register - just like oauth3?)
|
|
// NOTE: probably best to alias the name logically
|
|
, value: clientUrih
|
|
});
|
|
Object.defineProperty(req, 'pkgId', {
|
|
enumerable: true
|
|
, configurable: false
|
|
, writable: false
|
|
, value: pkgId
|
|
});
|
|
|
|
// TODO cache permission (although the FS is already cached, NBD)
|
|
var promise = isThisClientAllowedToUseThisPkg(xconfx, clientUrih, pkgId).then(function (yes) {
|
|
if (!yes) {
|
|
notConfigured(req, res);
|
|
return null;
|
|
}
|
|
|
|
if (localCache.rests[pkgId]) {
|
|
localCache.rests[pkgId].handler(req, res, next);
|
|
hasBeenHandled = true;
|
|
|
|
if (now - localCache.rests[pkgId].createdAt > staleAfter) {
|
|
localCache.rests[pkgId] = null;
|
|
}
|
|
}
|
|
|
|
if (!localCache.rests[pkgId]) {
|
|
//return doesThisPkgExist
|
|
|
|
return loadRestHandler(xconfx, clientUrih, pkgId).then(function (myHandler) {
|
|
if (!myHandler) {
|
|
notConfigured(req, res);
|
|
return;
|
|
}
|
|
|
|
localCache.rests[pkgId] = { handler: myHandler.handler, createdAt: now };
|
|
if (!hasBeenHandled) {
|
|
myHandler.handler(req, res, next);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
rejectableRequest(req, res, promise, "[com.daplie.walnut] load api package");
|
|
});
|
|
};
|
|
};
|