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(Swift 3,4,5...) Firebase JWT User AuthenticationDemonstrates how to authenticate a Firebase REST API call using a JSON service account private key.
func chilkatTest() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // First load the Firebase JSON private key into a string. let fac = CkoFileAccess()! var jsonKey: String? = fac.readEntireTextFile("qa_data/firebase/fish-8abda-firebase-adminsdk-1ys3o-347d70d581.json", charset: "utf-8") if fac.lastMethodSuccess != true { print("\(fac.lastErrorText!)") return } // A JSON private key looks like this: // { // "type": "service_account", // "project_id": "fish-8abda", // "private_key_id": "347e70d5810b92516905d2de12d292c16159375b", // "private_key": "-----BEGIN PRIVATE KEY-----\nMIIEvwIBADANBgkqhkiG9 ... KQRtMB1gBu3KQxgoA==\n-----END PRIVATE KEY-----\n", // "client_email": "firebase-adminsdk-1ys3o@fish-8abda.iam.gserviceaccount.com", // "client_id": "107827947504591332107", // "auth_uri": "https://accounts.google.com/o/oauth2/auth", // "token_uri": "https://accounts.google.com/o/oauth2/token", // "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs", // "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-1ys3o%40fish-8abda.iam.gserviceaccount.com" // } let gAuth = CkoAuthGoogle()! gAuth.jsonKey = jsonKey // Choose a scope. // The scope could be "https://www.googleapis.com/auth/firebase.database" // or // "https://www.googleapis.com/auth/firebase.database https://www.googleapis.com/auth/userinfo.email" gAuth.scope = "https://www.googleapis.com/auth/firebase.database https://www.googleapis.com/auth/userinfo.email" // Request an access token that is valid for this many seconds. gAuth.expireNumSeconds = 3600 // If the application is requesting delegated access: // The email address of the user for which the application is requesting delegated access, // then set the email address here. (Otherwise leave it empty.) gAuth.subEmailAddress = "" // Connect to www.googleapis.com using TLS (TLS 1.2 is the default.) // The Chilkat socket object is used so that the connection can be established // through proxies or an SSH tunnel if desired. let tlsSock = CkoSocket()! var success: Bool = tlsSock.connect("www.googleapis.com", port: 443, ssl: true, maxWaitMs: 5000) if success != true { print("\(tlsSock.lastErrorText!)") return } // Send the request to obtain the access token. success = gAuth.obtainAccessToken(tlsSock) if success != true { print("\(gAuth.lastErrorText!)") return } // Examine the access token: print("Firebase Access Token: \(gAuth.accessToken!)") // Save the token to a file (or wherever desired). This token is valid for 1 hour. fac.writeEntireTextFile("qa_data/tokens/firebaseToken.txt", fileData: gAuth.accessToken, charset: "utf-8", includePreamble: false) } |
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