VBScript GMail: Parse GMail REST API Error Response

Back to Index

Gets the current user's Gmail profile, but shows an error response and how to parse it..

Documentation: https://developers.google.com/gmail/api/v1/reference/users/getProfile

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

set rest = CreateObject("Chilkat_9_5_0.Rest")

'   Provide a previously obtained OAuth2 access token.
set oauth2 = CreateObject("Chilkat_9_5_0.OAuth2")
oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
success = rest.SetAuthOAuth2(oauth2)

success = rest.Connect("www.googleapis.com",443,1,1)
If (success <> 1) Then
    outFile.WriteLine(rest.LastErrorText)
    WScript.Quit
End If

success = rest.AddPathParam("userId","matt@chilkat.io")

set sbJson = CreateObject("Chilkat_9_5_0.StringBuilder")
success = rest.FullRequestNoBodySb("GET","/gmail/v1/users/userId/profile",sbJson)
If (success <> 1) Then
    outFile.WriteLine(rest.LastErrorText)
    WScript.Quit
End If

If (rest.ResponseStatusCode <> 200) Then
    outFile.WriteLine("Received error response code: " & rest.ResponseStatusCode)
    outFile.WriteLine("Response body:")
    outFile.WriteLine(sbJson.GetAsString())
    WScript.Quit
End If

set json = CreateObject("Chilkat_9_5_0.JsonObject")
success = json.LoadSb(sbJson)

'  The following code parses the JSON response.
'  A sample JSON response is shown below the sample code.

errorCode = json.IntOf("error.code")
errorMessage = json.StringOf("error.message")
i = 0
count_i = json.SizeOfArray("error.errors")
Do While i < count_i
    json.I = i
    domain = json.StringOf("error.errors[i].domain")
    reason = json.StringOf("error.errors[i].reason")
    message = json.StringOf("error.errors[i].message")
    extendedHelp = json.StringOf("error.errors[i].extendedHelp")
    i = i + 1
Loop

outFile.WriteLine("Example Completed.")

outFile.Close

Sample JSON Response Body

{
 "error": {
  "errors": [
   {
    "domain": "usageLimits",
    "reason": "accessNotConfigured",
    "message": "Access Not Configured. Gmail API has not been used in project 377697329735 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/gmail.googleapis.com/overview?project=377697329735 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.",
    "extendedHelp": "https://console.developers.google.com/apis/api/gmail.googleapis.com/overview?project=377697329735"
   }
  ],
  "code": 403,
  "message": "Access Not Configured. Gmail API has not been used in project 377697329735 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/gmail.googleapis.com/overview?project=377697329735 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry."
 }
}