(PureBasic) OneDrive -- Download Text File to Memory

Downloads a text file (such as XML, JSON, plain-text, HTML, etc.) into a StringBuilder object.

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkStringBuilder.pb"
IncludeFile "CkHttp.pb"

Procedure ChilkatExample()

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

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Use your previously obtained access token here:
    ; See the following examples for getting an access token:
    ;    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
    ;    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
    ;    Refresh Access Token (Azure AD v2.0 Endpoint).
    ;    Refresh Access Token (Azure AD Endpoint).

    ; (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
    CkHttp::setCkAuthToken(http, "MICROSOFT_GRAPH_ACCESS_TOKEN")

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

    ; Make sure to automatically follow redirects
    CkHttp::setCkFollowRedirects(http, 1)

    ; This example will download /Misc/hamlet.xml
    CkHttp::ckSetUrlVar(http,"item_path","Misc/hamlet.xml")

    sbXml.i = CkStringBuilder::ckCreate()
    If sbXml.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    expectedCharset.s = "utf-8"
    url.s = "https://graph.microsoft.com/v1.0/me/drive/root:/{$item_path}:/content"
    success.i = CkHttp::ckDownloadSb(http,url,expectedCharset,sbXml)
    If CkHttp::ckLastMethodSuccess(http) <> 1
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkStringBuilder::ckDispose(sbXml)
        ProcedureReturn
    EndIf

    ; If the response status code was not 200, then it failed.
    If CkHttp::ckLastStatus(http) <> 200
        Debug "Response Status Code = " + Str(CkHttp::ckLastStatus(http))
        Debug "Failed."
        CkHttp::ckDispose(http)
        CkStringBuilder::ckDispose(sbXml)
        ProcedureReturn
    EndIf

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


    CkHttp::ckDispose(http)
    CkStringBuilder::ckDispose(sbXml)


    ProcedureReturn
EndProcedure