Initial commit

Author: atskimura

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+firebase-debug.log*
+
+# Firebase cache
+.firebase/
+
+# Firebase config
+
+# Uncomment this if you'd like others to create their own Firebase project.
+# For a team working on the same Firebase project(s), it is recommended to leave
+# it commented so all members can deploy to the same project(s) in .firebaserc.
+.firebaserc
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env

LICENSE

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+MIT License
+
+Copyright (c) 2020 Atsuhiko Kimura <atskimura@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# JSforce AJAX Proxy for Cloud Functions
+
+In this project, [JSforce AJAX Proxy](https://github.com/jsforce/jsforce-ajax-proxy) runs in Cloud Functions.
+
+There is the follwoing change from JSforce AJAX Proxy. Therefore, I do not use JSforce AJAX Proxy directly. 
+
+* Added `Sforce-Call-Options` in `Access-Control-Allow-Headers`
+
+## Usage
+
+```
+$ cd functions
+$ firebase use <project_id>
+$ firebase functions:config:set proxy.region="asia-northeast1" proxy.allowed_origin="<origin>"
+$ firebase deploy --only functions
+```

firebase.json

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+{
+ "functions": {
+ "predeploy": [
+ "npm --prefix \"$RESOURCE_DIR\" run lint"
+ ]
+ }
+}

functions/.eslintrc.json

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+{
+ "parserOptions": {
+ // Required for certain syntax usages
+ "ecmaVersion": 2017
+ },
+ "plugins": [
+ "promise"
+ ],
+ "extends": "eslint:recommended",
+ "rules": {
+ // Removed rule "disallow the use of console" from recommended eslint rules
+ "no-console": "off",
+
+ // Removed rule "disallow multiple spaces in regular expressions" from recommended eslint rules
+ "no-regex-spaces": "off",
+
+ // Removed rule "disallow the use of debugger" from recommended eslint rules
+ "no-debugger": "off",
+
+ // Removed rule "disallow unused variables" from recommended eslint rules
+ "no-unused-vars": "off",
+
+ // Removed rule "disallow mixed spaces and tabs for indentation" from recommended eslint rules
+ "no-mixed-spaces-and-tabs": "off",
+
+ // Removed rule "disallow the use of undeclared variables unless mentioned in /*global */ comments" from recommended eslint rules
+ "no-undef": "off",
+
+ // Warn against template literal placeholder syntax in regular strings
+ "no-template-curly-in-string": 1,
+
+ // Warn if return statements do not either always or never specify values
+ "consistent-return": 1,
+
+ // Warn if no return statements in callbacks of array methods
+ "array-callback-return": 1,
+
+ // Require the use of === and !==
+ "eqeqeq": 2,
+
+ // Disallow the use of alert, confirm, and prompt
+ "no-alert": 2,
+
+ // Disallow the use of arguments.caller or arguments.callee
+ "no-caller": 2,
+
+ // Disallow null comparisons without type-checking operators
+ "no-eq-null": 2,
+
+ // Disallow the use of eval()
+ "no-eval": 2,
+
+ // Warn against extending native types
+ "no-extend-native": 1,
+
+ // Warn against unnecessary calls to .bind()
+ "no-extra-bind": 1,
+
+ // Warn against unnecessary labels 
+ "no-extra-label": 1,
+
+ // Disallow leading or trailing decimal points in numeric literals
+ "no-floating-decimal": 2,
+
+ // Warn against shorthand type conversions
+ "no-implicit-coercion": 1,
+
+ // Warn against function declarations and expressions inside loop statements
+ "no-loop-func": 1,
+
+ // Disallow new operators with the Function object
+ "no-new-func": 2,
+
+ // Warn against new operators with the String, Number, and Boolean objects
+ "no-new-wrappers": 1,
+
+ // Disallow throwing literals as exceptions
+ "no-throw-literal": 2,
+
+ // Require using Error objects as Promise rejection reasons
+ "prefer-promise-reject-errors": 2,
+
+ // Enforce “for” loop update clause moving the counter in the right direction
+ "for-direction": 2,
+
+ // Enforce return statements in getters
+ "getter-return": 2,
+
+ // Disallow await inside of loops
+ "no-await-in-loop": 2,
+
+ // Disallow comparing against -0
+ "no-compare-neg-zero": 2,
+
+ // Warn against catch clause parameters from shadowing variables in the outer scope
+ "no-catch-shadow": 1,
+
+ // Disallow identifiers from shadowing restricted names
+ "no-shadow-restricted-names": 2,
+
+ // Enforce return statements in callbacks of array methods
+ "callback-return": 2,
+
+ // Require error handling in callbacks
+ "handle-callback-err": 2,
+
+ // Warn against string concatenation with __dirname and __filename
+ "no-path-concat": 1,
+
+ // Prefer using arrow functions for callbacks
+ "prefer-arrow-callback": 1,
+
+ // Return inside each then() to create readable and reusable Promise chains.
+ // Forces developers to return console logs and http calls in promises. 
+ "promise/always-return": 2,
+
+ //Enforces the use of catch() on un-returned promises
+ "promise/catch-or-return": 2,
+
+ // Warn against nested then() or catch() statements
+ "promise/no-nesting": 1
+ }
+}

functions/.gitignore

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+node_modules/

functions/index.js

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+const functions = require('firebase-functions');
+
+const express = require('express');
+const jsforceAjaxProxy = require('./proxy');
+const app = express();
+
+const region = functions.config().proxy.region || 'us-central1';
+const allowedOrigin = functions.config().proxy.allowedOrigin;
+
+app.all('/?*', jsforceAjaxProxy({
+ enableCORS: true,
+ allowedOrigin
+}));
+
+exports.proxy = functions.region(region).https.onRequest(app);