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(Classic ASP) Get Google API Access Token using JSON Private KeyDemonstrates how to get a Google API access token using a JSON service account private key.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' 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") set fac = Server.CreateObject("Chilkat.FileAccess") jsonKey = fac.ReadEntireTextFile("qa_data/googleApi/ChilkatTest-ab2ecd52ef98.json","utf-8") If (fac.LastMethodSuccess <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( fac.LastErrorText) & "</pre>" Response.End 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" ' } ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.AuthGoogle") set gAuth = Server.CreateObject("Chilkat.AuthGoogle") gAuth.JsonKey = jsonKey ' Choose a scope. gAuth.Scope = "https://www.googleapis.com/auth/cloud-platform" ' 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. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Socket") set tlsSock = Server.CreateObject("Chilkat.Socket") success = tlsSock.Connect("www.googleapis.com",443,1,5000) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( tlsSock.LastErrorText) & "</pre>" Response.End End If ' Send the request to obtain the access token. success = gAuth.ObtainAccessToken(tlsSock) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( gAuth.LastErrorText) & "</pre>" Response.End End If ' Examine the access token: Response.Write "<pre>" & Server.HTMLEncode( "Access Token: " & gAuth.AccessToken) & "</pre>" %> </body> </html> |
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