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(PowerBuilder) 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.
integer li_rc oleobject loo_Fac string ls_JsonKey oleobject loo_GAuth oleobject loo_MoreClaims oleobject loo_TlsSock integer li_Success // 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. loo_Fac = create oleobject li_rc = loo_Fac.ConnectToNewObject("Chilkat_9_5_0.FileAccess") if li_rc < 0 then destroy loo_Fac MessageBox("Error","Connecting to COM object failed") return end if ls_JsonKey = loo_Fac.ReadEntireTextFile("qa_data/googleApi/ChilkatTest-ab2ecd52ef98.json","utf-8") if loo_Fac.LastMethodSuccess <> 1 then Write-Debug loo_Fac.LastErrorText destroy loo_Fac return end if // 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" // } loo_GAuth = create oleobject li_rc = loo_GAuth.ConnectToNewObject("Chilkat_9_5_0.AuthGoogle") loo_GAuth.JsonKey = ls_JsonKey // Choose a scope. loo_GAuth.Scope = "https://www.googleapis.com/auth/cloud-platform" // Request an access token that is valid for this many seconds. loo_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.) loo_GAuth.SubEmailAddress = "" // -------------------------------------------------------------------------------------- // To add custom claims, create JSON containing the claims to be added and call AddClaims. loo_MoreClaims = create oleobject li_rc = loo_MoreClaims.ConnectToNewObject("Chilkat_9_5_0.JsonObject") loo_MoreClaims.UpdateString("claimAbc","valueAbc") loo_MoreClaims.UpdateString("claimXyz","valueXyz") // ... loo_GAuth.AddClaims(loo_MoreClaims) // -------------------------------------------------------------------------------------- // 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. loo_TlsSock = create oleobject li_rc = loo_TlsSock.ConnectToNewObject("Chilkat_9_5_0.Socket") li_Success = loo_TlsSock.Connect("www.googleapis.com",443,1,5000) if li_Success <> 1 then Write-Debug loo_TlsSock.LastErrorText destroy loo_Fac destroy loo_GAuth destroy loo_MoreClaims destroy loo_TlsSock return end if // Send the request to obtain the access token. li_Success = loo_GAuth.ObtainAccessToken(loo_TlsSock) if li_Success <> 1 then Write-Debug loo_GAuth.LastErrorText destroy loo_Fac destroy loo_GAuth destroy loo_MoreClaims destroy loo_TlsSock return end if // Examine the access token: Write-Debug "Access Token: " + loo_GAuth.AccessToken destroy loo_Fac destroy loo_GAuth destroy loo_MoreClaims destroy loo_TlsSock |
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