(Ruby) Microsoft Teams OAuth2 Client Credentials Authentication

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Note: This example requires Chilkat v11.0.0 or greater.

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require 'chilkat'

success = false

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

http = Chilkat::CkHttp.new()

# Provide the information needed for Chilkat to automatically fetch the OAuth2.0 
# access token as needed.
# This is the new "Integrated OAuth2 Client Credentials" feature introduced in Chilkat v9.5.0.96.  
jsonOAuthCC = Chilkat::CkJsonObject.new()

# --------------------------------------------------------------------------------------------------------
# You'll need to have registered an app in Azure beforehand.
# 
# Note: Creating a Team requires the following Application permissions:
# Team.Create, Teamwork.Migrate.All, Group.ReadWrite.All**, Directory.ReadWrite.All**
# 
# See How to Create an Azure App Registration for OAuth 2.0 Client Credentials
# --------------------------------------------------------------------------------------------------------

# Use the values from your App Registration in Azure.
jsonOAuthCC.UpdateString("client_id","e1cd2318-xxxx-4916-bfd6-xxxxxxxxxxxx")
jsonOAuthCC.UpdateString("client_secret","K.d8Q~RoJxxxxvCj_u_xxxxxxxxxxxxxxxxxxxxx")

# You'll always use this scope for client credentials, because the allowed actions
# are determined by the App Permissions defined when you registered the app in Azure.
jsonOAuthCC.UpdateString("scope","https://graph.microsoft.com/.default")

# The token endpoint includes your tenant ID.  Use your tenant ID (not the tenant ID shown here).
jsonOAuthCC.UpdateString("token_endpoint","https://login.microsoftonline.com/112d7ed6-71bf-4eba-a866-738364321bfc/oauth2/v2.0/token")

# Provide the OAuth2 information. Chilkat will use this information to automatically fetch the OAuth2 access token as needed,
http.put_AuthToken(jsonOAuthCC.emit())

# ------------------------------------------------------------------------------
# To create a Microsoft Team, we want to send an HTTP request like the following:
# 
# Note: The following is the minimal JSON for a request using Applicaton permissions (i.e. the access token retrieved using the client credentials grant).
# 
# POST https://graph.microsoft.com/v1.0/teams
# Content-Type: application/json
# 
# {
#    "template@odata.bind":"https://graph.microsoft.com/v1.0/teamsTemplates('standard')",
#    "displayName":"My Sample Team",
#    "description":"My Sample Team�s Description",
#    "members":[
#       {
#          "@odata.type":"#microsoft.graph.aadUserConversationMember",
#          "roles":[
#             "owner"
#          ],
#          "user@odata.bind":"https://graph.microsoft.com/v1.0/users('0040b377-61d8-43db-94f5-81374122dc7e')"
#       }
#    ]
# }

json = Chilkat::CkJsonObject.new()
json.UpdateString("\"template@odata.bind\"","https://graph.microsoft.com/v1.0/teamsTemplates('standard')")
json.UpdateString("displayName","My Sample Team")
json.UpdateString("description","My Sample Team�s Description")
json.UpdateString("members[0].\"@odata.type\"","#microsoft.graph.aadUserConversationMember")
json.UpdateString("members[0].roles[0]","owner")
json.UpdateString("members[0].\"user@odata.bind\"","https://graph.microsoft.com/v1.0/users('4ee732c3-322e-4a6b-b729-2fd1eb5c6004')")

json.put_EmitCompact(false)
print json.emit() + "\n";

http.SetRequestHeader("Content-type","application/json")

resp = Chilkat::CkHttpResponse.new()
success = http.HttpJson("POST","https://graph.microsoft.com/v1.0/teams",json,"application/json",resp)
if (success == false)
    print http.lastErrorText() + "\n";
    exit
end

# A successful response is indicated by a 202 response status code and an empty response body.
print "Response Status Code: " + resp.get_StatusCode().to_s() + "\n";
print "Response Body:" + "\n";
print resp.bodyStr() + "\n";

if (resp.get_StatusCode() >= 400)
    print "Response Header:" + "\n";
    print resp.header() + "\n";
    print "Failed." + "\n";
end