Node.js-Firebase服务帐户私钥将无法解析 [英] Node.js -Firebase Service Account Private Key won't parse

问题描述

我在我的app.js文件中使用.env变量来访问密钥.一切正常，直到我下载了新的Firebase Service Account Private Key.当我用新值替换旧值时，我无法再访问键，因为在terminal中，当我运行node app.js时，我不断收到错误消息:

/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/auth/credential.js:129 引发新的错误_1.FirebaseAppError(错误_1.AppErrorCodes.INVALID_CREDENTIAL， '无法解析私钥:'+错误)； ^

错误:无法解析私钥:错误:无效的PEM格式 信息. 在FirebaseAppError.FirebaseError [作为构造函数](/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/utils/error.js:39:28) 在FirebaseAppError.PrefixedFirebaseError [作为构造函数](/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/utils/error.js:85:28) 在新的FirebaseAppError(/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/utils/error.js:119:28) 在新证书上(/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/auth/credential.js:129:19) 在新的CertCredential(/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/auth/credential.js:192:64) 在Object.cert(/Users/Cpu/Desktop/.....) 在对象. (/Users/Cpu/Desktop/...../app.js:14:32) 在Module._compile(module.js:571:32) 在Object.Module._extensions..js(module.js:580:10) 在Module.load(module.js:488:32)在FirebaseAppError.FirebaseError [作为构造函数] npm ERR！代码ELIFECYCLE npm ERR！ errno 1

我所做的就是c + p新的Private Key，然后将其添加并保存.env文件，将其推送到heroku，它不再起作用.我什至下载了一个新的Private Key，但还是发生了同样的问题.

新旧私钥

// old Private Key
-----BEGIN PRIVATE KEY-----\nbbbbbbbb\n-----END PRIVATE KEY-----\n

// new Private Key
-----BEGIN PRIVATE KEY-----\nzzzzzzzz\n-----END PRIVATE KEY-----\n

.env文件:

FIREBASE_PROJECT_ID=wwwwwwww
FIREBASE_CLIENT_EMAIL=xxxxxxxx
FIREBASE_DATABASE_URL=yyyyyyyy
FIREBASE_PRIVATE_KEY=-----BEGIN PRIVATE KEY-----\nzzzzzzzz\n-----END PRIVATE KEY-----\n

app.js文件:

const dotenv = require('dotenv');
dotenv.load();

var admin = require("firebase-admin");
admin.initializeApp({
  credential: admin.credential.cert({
      projectId: process.env.FIREBASE_PROJECT_ID,   // I get no error here
      clientEmail: process.env.FIREBASE_CLIENT_EMAIL,   // I get no error here
      privateKey: process.env.FIREBASE_PRIVATE_KEY   // I get error HERE
  }),
  databaseURL: process.env.FIREBASE_DATABASE_URL
});

如何解决此问题?

解决方案

问题是因为我在.env文件中使用了dotenv变量，而FIREBASE_PRIVATE_KEY在其中包含了转义字符:\n. >

我必须遵循此答案，并在其末尾附加.replace(/\\n/g, '\n')来进行解析:

privateKey: process.env.FIREBASE_PRIVATE_KEY.replace(/\\n/g, '\n')

所以现在代码如下:

admin.initializeApp({
  credential: admin.credential.cert({
      projectId: process.env.FIREBASE_PROJECT_ID, // I get no error here
      clientEmail: process.env.FIREBASE_CLIENT_EMAIL, // I get no error here
      privateKey: process.env.FIREBASE_PRIVATE_KEY.replace(/\\n/g, '\n') // NOW THIS WORKS!!!
  }),
  databaseURL: process.env.FIREBASE_DATABASE_URL
});

I use .env variables in my app.js file to access the keys. Everything was working fine until I downloaded a new Firebase Service Account Private Key. When I replaced the old value with the new value I can no longer access the key because in terminal when I run node app.js I keep getting an error message:

/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/auth/credential.js:129 throw new error_1.FirebaseAppError(error_1.AppErrorCodes.INVALID_CREDENTIAL, 'Failed to parse private key: ' + error); ^

Error: Failed to parse private key: Error: Invalid PEM formatted message. at FirebaseAppError.FirebaseError [as constructor] (/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/utils/error.js:39:28) at FirebaseAppError.PrefixedFirebaseError [as constructor] (/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/utils/error.js:85:28) at new FirebaseAppError (/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/utils/error.js:119:28) at new Certificate (/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/auth/credential.js:129:19) at new CertCredential (/Users/Cpu/Desktop/...../node_modules/firebase-admin/lib/auth/credential.js:192:64) at Object.cert (/Users/Cpu/Desktop/.....) at Object. (/Users/Cpu/Desktop/...../app.js:14:32) at Module._compile (module.js:571:32) at Object.Module._extensions..js (module.js:580:10) at Module.load (module.js:488:32) at FirebaseAppError.FirebaseError [as constructor] npm ERR! code ELIFECYCLE npm ERR! errno 1

All I did was c+p the new Private Key and then added it and saved the .env file, pushed to heroku, and it's no longer working. I even downloaded a new Private Key but the same problem occurs.

The old and new Private Keys

// old Private Key
-----BEGIN PRIVATE KEY-----\nbbbbbbbb\n-----END PRIVATE KEY-----\n

// new Private Key
-----BEGIN PRIVATE KEY-----\nzzzzzzzz\n-----END PRIVATE KEY-----\n

The .env file:

FIREBASE_PROJECT_ID=wwwwwwww
FIREBASE_CLIENT_EMAIL=xxxxxxxx
FIREBASE_DATABASE_URL=yyyyyyyy
FIREBASE_PRIVATE_KEY=-----BEGIN PRIVATE KEY-----\nzzzzzzzz\n-----END PRIVATE KEY-----\n

The app.js file:

const dotenv = require('dotenv');
dotenv.load();

var admin = require("firebase-admin");
admin.initializeApp({
  credential: admin.credential.cert({
      projectId: process.env.FIREBASE_PROJECT_ID,   // I get no error here
      clientEmail: process.env.FIREBASE_CLIENT_EMAIL,   // I get no error here
      privateKey: process.env.FIREBASE_PRIVATE_KEY   // I get error HERE
  }),
  databaseURL: process.env.FIREBASE_DATABASE_URL
});

How can I fix this issue?

解决方案

The problem was since I used dotenv variables inside the .env file the FIREBASE_PRIVATE_KEY had escaping characters: \n inside of it.

I had to follow this answer and append .replace(/\\n/g, '\n') to the end of it to parse it:

privateKey: process.env.FIREBASE_PRIVATE_KEY.replace(/\\n/g, '\n')

So now the code looks like:

admin.initializeApp({
  credential: admin.credential.cert({
      projectId: process.env.FIREBASE_PROJECT_ID, // I get no error here
      clientEmail: process.env.FIREBASE_CLIENT_EMAIL, // I get no error here
      privateKey: process.env.FIREBASE_PRIVATE_KEY.replace(/\\n/g, '\n') // NOW THIS WORKS!!!
  }),
  databaseURL: process.env.FIREBASE_DATABASE_URL
});

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