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Lianja Requires Chilkat v11.0.0+

Azure OAuth2 Client Credentials Grant Flow

See more OAuth2 Examples

Demonstrates how to get an OAuth2 access token for an Azure Registered App using the Client Credentials Grant Flow.

Note: Your Azure app must be registered as a single-tenant app to use client credentials.

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Lianja
llSuccess = .F.

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

loHttp = createobject("CkHttp")

loReq = createobject("CkHttpRequest")
loReq.AddParam("client_secret","CLIENT_SECRET")
loReq.AddParam("client_id","CLIENT_ID")

//  See Understanding Scopes in Azure OAuth2 Client Credentials Flow
loReq.AddParam("scope","https://graph.microsoft.com/.default")

loReq.AddParam("grant_type","client_credentials")

//  Note: Your Azure app must be registered as a single-tenant app to use client credentials.
//  Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
lcUrl = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token"

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

loResp = createobject("CkHttpResponse")
llSuccess = loHttp.HttpReq(lcUrl,loReq,loResp)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    release loResp
    return
endif

lnStatusCode = loResp.StatusCode
? "Response status code = " + str(lnStatusCode)

loJson = createobject("CkJsonObject")
loJson.Load(loResp.BodyStr)

loJson.EmitCompact = .F.
? loJson.Emit()

//  Sample successful output:

//  {
//    "token_type": "Bearer",
//    "expires_in": 3599,
//    "ext_expires_in": 3599,
//    "access_token": "eyJ0eX...K0jOERg"
//  }

if (lnStatusCode = 200) then
    loJson.WriteFile("qa_data/tokens/azureClientCredentialsToken.json")
    ? "Success."
else
    ? "Failed."
endif



release loHttp
release loReq
release loResp
release loJson