Chilkat Online Tools

Xojo / Microsoft Graph / Get email headers

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

Dim http As New Chilkat.Http
Dim success As Boolean

Dim queryParams As New Chilkat.JsonObject
success = queryParams.UpdateString("$select","internetMessageHeaders")
success = queryParams.UpdateInt("$top",1)

// Adds the "Authorization: Bearer <access_token>" header.
http.AuthToken = "<access_token>"
http.SetRequestHeader "Content-Type","application/json"

Dim resp As Chilkat.HttpResponse
resp = http.QuickRequestParams("GET","https://graph.microsoft.com/v1.0/me/messages",queryParams)
If (http.LastMethodSuccess = False) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

System.DebugLog(Str(resp.StatusCode))
System.DebugLog(resp.BodyStr)

Curl Command

curl -G -d "$select=internetMessageHeaders"
	-d "$top=1"
	-H "Authorization: Bearer <access_token>"
	-H "Content-Type: application/json"
https://graph.microsoft.com/v1.0/me/messages

Postman Collection Item JSON

{
  "name": "Get email headers",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          "try {\r",
          "    if (responseBody.indexOf(\"InvalidAuthenticationToken\") !== -1)\r",
          "    {\r",
          "        console.log(\"You need to run *On behalf of a User | Get User Access Token* request first.\");\r",
          "    }\r",
          "    else\r",
          "    {\r",
          "        if (pm.response.status === \"Forbidden\")\r",
          "        {\r",
          "            console.log(\"You need to add user delegated permissions in your application to at least *MailboxSettings.Read* in portal.azure.com and then consent as user or Grant admin consent in portal. And re-run *On behalf of a User | Get User Access Token* request to update access token. \");\r",
          "        }\r",
          "    }\r",
          "}\r",
          "catch (e) {\r",
          "    console.log(e);\r",
          "}\r",
          ""
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Content-Type",
        "type": "text",
        "value": "application/json"
      }
    ],
    "url": {
      "raw": "https://graph.microsoft.com/v1.0/me/messages?$select=internetMessageHeaders&$top=1",
      "protocol": "https",
      "host": [
        "graph",
        "microsoft",
        "com"
      ],
      "path": [
        "v1.0",
        "me",
        "messages"
      ],
      "query": [
        {
          "key": "$select",
          "value": "internetMessageHeaders"
        },
        {
          "key": "$top",
          "value": "1"
        }
      ]
    }
  },
  "response": [
  ]
}