(PureBasic) Outlook -- List Attachments for a Specific Message

Demonstrates how to list the attachments for a particular email message.

Note: This example requires Chilkat v9.5.0.67 or greater.

This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.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).

    CkHttp::setCkAuthToken(http, "MICROSOFT_GRAPH_ACCESS_TOKEN")

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

    ; Sends:  GET /users/{user_id | userPrincipalName}/messages/{message_id}/attachments
    ; Note: It is also possible to use the literal string "me" for the current logged-on user.
    ; For example: GET /me/messages/{message_id}/attachments

    CkHttp::ckClearUrlVars(http)
    CkHttp::ckSetUrlVar(http,"userPrincipalName","chilkatsoft@outlook.com")

    ; Assume we already have a message ID from previously listing the messages in a folder
    messageId.s = "AAMkADYzZWE3YmZmLWU0YzgtNGNkZC04MGE1LWFiYTFlNTRlY2QwYQBGAAAAAAAu7cUXL5YOTrdsUIw7-v8FBwBUcG0qWqkmQYqWLHQataQxAACnwqJUAABUcG0qWqkmQYqWLHQataQxAACnwrnOAAA="
    CkHttp::ckSetUrlVar(http,"message_id",messageId)

    ; Send the request to list the messages.
    success.i = CkHttp::ckQuickGetSb(http,"https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/messages/{$message_id}/attachments",sbResponse)
    If (success <> 1) AND (CkHttp::ckLastStatus(http) = 0)
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkStringBuilder::ckDispose(sbResponse)
        ProcedureReturn
    EndIf

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

    CkJsonObject::ckLoadSb(json,sbResponse)
    CkJsonObject::setCkEmitCompact(json, 0)

    Debug "Status code = " + Str(CkHttp::ckLastStatus(http))
    If CkHttp::ckLastStatus(http) <> 200
        Debug CkJsonObject::ckEmit(json)
        Debug "Failed."
    EndIf

    CkStringBuilder::ckClear(sbResponse)
    CkJsonObject::ckEmitSb(json,sbResponse)
    CkStringBuilder::ckWriteFile(sbResponse,"qa_output/attachments.txt","utf-8",0)

    Debug "OK"


    CkHttp::ckDispose(http)
    CkStringBuilder::ckDispose(sbResponse)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure