(Lianja) OneDrive -- Download Text File to Memory

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Note: This example requires Chilkat v9.5.0.97 or greater.

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

// This example uses the OAuth client credentials flow.
// See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

// Use your client ID, client secret, and tenant ID in the following lines
loJson = createobject("CkJsonObject")
loJson.UpdateString("client_id","2871da2c-8176-4b7f-869b-2311aa82e743")
loJson.UpdateString("client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
loJson.UpdateString("scope","https://graph.microsoft.com/.default")
loJson.UpdateString("token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

loHttp = createobject("CkHttp")
loHttp.AuthToken = loJson.Emit()

// Sends the following GET request:
// GET https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{item-path}:/content

// Make sure to automatically follow redirects
loHttp.FollowRedirects = .T.

// This example will download /Misc/hamlet.xml
loHttp.SetUrlVar("item_path","Misc/hamlet.xml")
loHttp.SetUrlVar("user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104")

loSbXml = createobject("CkStringBuilder")
lcExpectedCharset = "utf-8"
lcUrl = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content"
llSuccess = loHttp.DownloadSb(lcUrl,lcExpectedCharset,loSbXml)
if (loHttp.LastMethodSuccess <> .T.) then
    ? loHttp.LastErrorText
    release loJson
    release loHttp
    release loSbXml
    return
endif

// If the response status code was not 200, then it failed.
if (loHttp.LastStatus <> 200) then
    ? "Response Status Code = " + str(loHttp.LastStatus)
    ? "Failed."
    release loJson
    release loHttp
    release loSbXml
    return
endif

// If we got here, then the file was successfully downloaded.
? "Download from OneDrive successful."
? "The file is contained in sbXml."


release loJson
release loHttp
release loSbXml