(VBScript) Zoom API - Create JWT to Authenticate API Requests

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Creates a JWT for the Zoom API.

For more information, see https://marketplace.zoom.us/docs/api-reference/using-zoom-apis#using-jwt

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' Use your API key and secret here...
apiKey = "o9rw6Gq0RnqlkfaSqtCMOA"
apiSecret = "UslmE23Kjh7at9z3If1xAHEyLmPDNxvxQrjR"

' Create a JWT to authenticate Zoom API requests.
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Jwt")
set jwt = CreateObject("Chilkat.Jwt")

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set jose = CreateObject("Chilkat.JsonObject")
success = jose.UpdateString("alg","HS256")
success = jose.UpdateString("typ","JWT")

' Build claims to look like this:
' {"aud":null,"iss":"o9rw6Gq0RnqlkfaSqtCMOA","exp":1627651762,"iat":1627646363}
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set claims = CreateObject("Chilkat.JsonObject")
success = claims.UpdateString("iss",apiKey)
success = claims.UpdateNull("aud")

' Set the timestamp of when the JWT was created to now.
curDateTime = jwt.GenNumericDate(0)
success = claims.AddIntAt(-1,"iat",curDateTime)

' Set the timestamp defining an expiration time (end time) for the token
' to be now + 1 month(3600 * 24 * 30 seconds)
oneMonth = 3600 * 24 * 30
success = claims.AddIntAt(-1,"exp",curDateTime + oneMonth)

' Produce the smallest possible JWT:
jwt.AutoCompact = 1

strJwt = jwt.CreateJwt(jose.Emit(),claims.Emit(),apiSecret)

outFile.WriteLine(strJwt)

' Let's test the JWT to by sending the following request:

' curl --request GET \
'   --url 'https://api.zoom.us/v2/users?status=active&page_size=30&page_number=1' \
'   --header 'authorization: Bearer { your_token }' \
'   --header 'content-type: application/json

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Http")
set http = CreateObject("Chilkat.Http")

' Implements the following CURL command:

' curl --request GET \
'   --url 'https://api.zoom.us/v2/users?status=active&page_size=30&page_number=1' \
'   --header 'authorization: Bearer { your_token }' \
'   --header 'content-type: application/json

' Use the following online tool to generate HTTP code from a CURL command
' Convert a cURL Command to HTTP Source Code

http.SetRequestHeader "content-type","application/json"
' Adds the "Authorization: Bearer { your_token }" header.
http.AuthToken = strJwt

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbResponseBody = CreateObject("Chilkat.StringBuilder")
success = http.QuickGetSb("https://api.zoom.us/v2/users?status=active&page_size=30&page_number=1",sbResponseBody)
If (success = 0) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set jResp = CreateObject("Chilkat.JsonObject")
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = 0

outFile.WriteLine("Response Body:")
outFile.WriteLine(jResp.Emit())

respStatusCode = http.LastStatus
outFile.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    outFile.WriteLine("Response Header:")
    outFile.WriteLine(http.LastHeader)
    outFile.WriteLine("Failed.")
    WScript.Quit
End If

' Sample output:

' {
'   "page_count": 1,
'   "page_number": 1,
'   "page_size": 30,
'   "total_records": 1,
'   "users": [
'     {
'       "id": "s8uAiMJiRmS_-eu1yOhKlg",
'       "first_name": "Joe",
'       "last_name": "Example",
'       "email": "joe@example.com",
'       "type": 1,
'       "pmi": 5224934114,
'       "timezone": "America/Chicago",
'       "verified": 1,
'       "created_at": "2021-07-30T11:56:37Z",
'       "last_login_time": "2021-07-30T11:56:37Z",
'       "language": "en-US",
'       "phone_number": "",
'       "status": "active",
'       "role_id": "0"
'     }
'   ]
' }

' Sample code for parsing the JSON response...
' Use the following online tool to generate parsing code from sample JSON:
' Generate Parsing Code from JSON

page_count = jResp.IntOf("page_count")
page_number = jResp.IntOf("page_number")
page_size = jResp.IntOf("page_size")
total_records = jResp.IntOf("total_records")
i = 0
count_i = jResp.SizeOfArray("users")
Do While i < count_i
    jResp.I = i
    id = jResp.StringOf("users[i].id")
    first_name = jResp.StringOf("users[i].first_name")
    last_name = jResp.StringOf("users[i].last_name")
    email = jResp.StringOf("users[i].email")
    v_type = jResp.IntOf("users[i].type")
    pmi = jResp.IntOf("users[i].pmi")
    timezone = jResp.StringOf("users[i].timezone")
    verified = jResp.IntOf("users[i].verified")
    created_at = jResp.StringOf("users[i].created_at")
    last_login_time = jResp.StringOf("users[i].last_login_time")
    language = jResp.StringOf("users[i].language")
    phone_number = jResp.StringOf("users[i].phone_number")
    status = jResp.StringOf("users[i].status")
    role_id = jResp.StringOf("users[i].role_id")
    i = i + 1
Loop

outFile.Close