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(PowerBuilder) Get Google API Access Token using P12 Service Account KeyDemonstrates how to get a Google API access token using a P12 service account key.
integer li_rc oleobject loo_Pfx integer li_Success oleobject loo_GAuth string ls_Iss string ls_Scope string ls_Oauth_sub integer li_NumSec oleobject loo_TlsSock // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // -------------------------------------------------------------------------------- // For a step-by-step guide for setting up your Google Workspace service account, // see Setup Google Workspace Account for Sending SMTP GMail from a Service Account // -------------------------------------------------------------------------------- // First load the PKCS12 (.p12 / .pfx) into a PFX object. loo_Pfx = create oleobject li_rc = loo_Pfx.ConnectToNewObject("Chilkat.Pfx") if li_rc < 0 then destroy loo_Pfx MessageBox("Error","Connecting to COM object failed") return end if li_Success = loo_Pfx.LoadPfxFile("qa_data/pfx/chilkat25-cbd7b42afbd8.p12","notasecret") if li_Success <> 1 then Write-Debug loo_Pfx.LastErrorText destroy loo_Pfx return end if loo_GAuth = create oleobject li_rc = loo_GAuth.ConnectToNewObject("Chilkat.AuthGoogle") li_Success = loo_GAuth.SetP12(loo_Pfx) // The ISS is your service account email address ending in gserviceaccount.com. ls_Iss = "chilkatsvc@chilkat25.iam.gserviceaccount.com" // The scope is always the following string: ls_Scope = "https://mail.google.com/" // The sub is your company email address ls_Oauth_sub = "info@chilkat.xyz" // The access token is valid for this number of seconds. li_NumSec = 3600 loo_GAuth.EmailAddress = ls_Iss loo_GAuth.Scope = ls_Scope loo_GAuth.ExpireNumSeconds = li_NumSec loo_GAuth.SubEmailAddress = ls_Oauth_sub // Connect to www.googleapis.com loo_TlsSock = create oleobject li_rc = loo_TlsSock.ConnectToNewObject("Chilkat.Socket") li_Success = loo_TlsSock.Connect("www.googleapis.com",443,1,5000) if li_Success <> 1 then Write-Debug loo_TlsSock.LastErrorText destroy loo_Pfx destroy loo_GAuth 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_Pfx destroy loo_GAuth destroy loo_TlsSock return end if // Examine the access token: Write-Debug "Access Token: " + loo_GAuth.AccessToken destroy loo_Pfx destroy loo_GAuth destroy loo_TlsSock |
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