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PowerShell Requires Chilkat v11.0.0+

Twitter - Application Only Authentication

Demonstrates how to get a Twitter OAuth2 token for application-only authentication.

This example is deprecated and no longer valid.

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

$success = $false

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

#  Note: Define your Twitter apps at https://apps.twitter.com/

#  We're going to send an HTTPS POST that looks like this:

#  POST /oauth2/token HTTP/1.1
#  Host: api.twitter.com
#  User-Agent: My Twitter App v1.0.23
#  Authorization: Basic eHZ6MWV2RlM0d0VFUFRHRUZQSEJvZzpMOHFxOVBaeVJn
#                       NmllS0dFS2hab2xHQzB2SldMdzhpRUo4OERSZHlPZw==
#  Content-Type: application/x-www-form-urlencoded;charset=UTF-8
#  Content-Length: 29
#  Accept-Encoding: gzip
#  
#  grant_type=client_credentials

#  Update these values with your consumer key and secret (also known as API key and API secret).
$consumerKey = "TWITTER_CONSUMER_KEY"
$consumerSecret = "TWITTER_CONSUMER_SECRET"

$http = New-Object Chilkat.Http

$http.BasicAuth = $true
$http.Login = $consumerKey
$http.Password = $consumerSecret

$req = New-Object Chilkat.HttpRequest
$req.AddParam("grant_type","client_credentials")

$req.HttpVerb = "POST"
$req.ContentType = "application/x-www-form-urlencoded"

$resp = New-Object Chilkat.HttpResponse
$success = $http.HttpReq("https://api.twitter.com/oauth2/token",$req,$resp)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

$("Response Status Code: " + $resp.StatusCode)

if ($resp.StatusCode -ne 200) {
    $("Expected a 200 response status code for success.")
    $($resp.BodyStr)
    exit
}

#  We should get a JSON response like this:

#  {
#      "token_type":"bearer",
#      "access_token":"..."
#  }

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

$("Access token = " + $json.StringOf("access_token"))