PowerShell

Dynamics CRM Oauth2 Client Credentials

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Get an OAuth2 access token for Dynamics CRM using client credentials. PowerShell

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

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

$http = New-Object Chilkat.Http

# Pass the client ID/secret using Basic HTTP authentication.
$http.Login = "CLIENT_ID"
$http.Password = "CLIENT_SECRET"
$http.BasicAuth = $true

$req = New-Object Chilkat.HttpRequest
$req.AddParam("client_secret","CLIENT_SECRET")
$req.AddParam("client_id","CLIENT_ID")
$req.AddParam("scope","https://yourdynamicsdomain.crm3.dynamics.com/.default")
$req.AddParam("grant_type","client_credentials")

# Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
$url = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token"
$req.HttpVerb = "POST"
$req.ContentType = "application/x-www-form-urlencoded"

$resp = New-Object Chilkat.HttpResponse
$success = $http.HttpReq($url,$req,$resp)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

$statusCode = $resp.StatusCode
$("Response status code = " + $statusCode)

$json = New-Object Chilkat.JsonObject
$json.Load($resp.BodyStr)

$json.EmitCompact = $false
$($json.Emit())

if ($statusCode -eq 200) {
    $json.WriteFile("qa_data/tokens/dynamicsCrmClientCredentialsToken.json")
    $("Success.")
}
else {
    $("Failed.")
}