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(Visual FoxPro) Add Custom Claims to JWT for Google Service Account OAuth2Demonstrates how add custom claims to the JWT when getting a Google API OAuth2 access token using a JSON service account private key.
LOCAL loFac LOCAL lcJsonKey LOCAL loGAuth LOCAL loMoreClaims LOCAL loTlsSock LOCAL lnSuccess * This example requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. * First load the JSON key into a string. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.FileAccess') loFac = CreateObject('Chilkat.FileAccess') lcJsonKey = loFac.ReadEntireTextFile("qa_data/googleApi/ChilkatTest-ab2ecd52ef98.json","utf-8") IF (loFac.LastMethodSuccess <> 1) THEN ? loFac.LastErrorText RELEASE loFac CANCEL ENDIF * A JSON private key should look like this: * { * "type": "service_account", * "project_id": "chilkattest-1350", * "private_key_id": "fa2e36ee26986eab628b59868af8bec1d1c64c38", * "private_key": "-----BEGIN PRIVATE KEY-----\nMIIEvgIjFa...28N64N2n1E4FYzBZjSdy\n-----END PRIVATE KEY-----\n", * "client_email": "598922945226-00rb0ppfg0sndajo6bhvd4v17jtj2d3a@developer.gserviceaccount.com", * "client_id": "598922945226-00rb0ppfg0snd9jo7bhvd4v17jtj2d3a.apps.googleusercontent.com", * "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/x509/598922945226-00rb0ppfg0sndajo6bhvd4v17jtj2d3a%40developer.gserviceaccount.com" * } * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.AuthGoogle') loGAuth = CreateObject('Chilkat.AuthGoogle') loGAuth.JsonKey = lcJsonKey * Choose a scope. loGAuth.Scope = "https://www.googleapis.com/auth/cloud-platform" * Request an access token that is valid for this many seconds. loGAuth.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.) loGAuth.SubEmailAddress = "" * -------------------------------------------------------------------------------------- * To add custom claims, create JSON containing the claims to be added and call AddClaims. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject') loMoreClaims = CreateObject('Chilkat.JsonObject') loMoreClaims.UpdateString("claimAbc","valueAbc") loMoreClaims.UpdateString("claimXyz","valueXyz") * ... loGAuth.AddClaims(loMoreClaims) * -------------------------------------------------------------------------------------- * 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. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Socket') loTlsSock = CreateObject('Chilkat.Socket') lnSuccess = loTlsSock.Connect("www.googleapis.com",443,1,5000) IF (lnSuccess <> 1) THEN ? loTlsSock.LastErrorText RELEASE loFac RELEASE loGAuth RELEASE loMoreClaims RELEASE loTlsSock CANCEL ENDIF * Send the request to obtain the access token. lnSuccess = loGAuth.ObtainAccessToken(loTlsSock) IF (lnSuccess <> 1) THEN ? loGAuth.LastErrorText RELEASE loFac RELEASE loGAuth RELEASE loMoreClaims RELEASE loTlsSock CANCEL ENDIF * Examine the access token: ? "Access Token: " + loGAuth.AccessToken RELEASE loFac RELEASE loGAuth RELEASE loMoreClaims RELEASE loTlsSock |
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