PowerShell GMail: Get a specific message (format="metadata")

Back to Index

Gets a specific message using format=metadata.

Documentation: https://developers.google.com/gmail/api/v1/reference/users/messages/get

[Reflection.Assembly]::LoadFile("C:\myAssemblies\ChilkatDotNet2.dll")

$rest = New-Object Chilkat.Rest

#   Provide a previously obtained OAuth2 access token.
$oauth2 = New-Object Chilkat.OAuth2
$oauth2.AccessToken = "OAUTH2_ACCESS_TOKEN"
$rest.SetAuthOAuth2($oauth2)

$success = $rest.Connect("www.googleapis.com",443,$true,$true)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

$rest.AddPathParam("messageId","15fc23688c553739")

$rest.AddQueryParam("format","metadata")

$sbJson = New-Object Chilkat.StringBuilder
$success = $rest.FullRequestNoBodySb("GET","/gmail/v1/users/me/messages/messageId",$sbJson)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

if ($rest.ResponseStatusCode -ne 200) {
    $("Received error response code: " + $rest.ResponseStatusCode)
    $("Response body:")
    $($sbJson.GetAsString())
    exit
}

$json = New-Object Chilkat.JsonObject
$json.LoadSb($sbJson)

#  The following code parses the JSON response.
#  A sample JSON response is shown below the sample code.

$id = $json.StringOf("id")
$threadId = $json.StringOf("threadId")
$snippet = $json.StringOf("snippet")
$historyId = $json.StringOf("historyId")
$internalDate = $json.StringOf("internalDate")
$payloadMimeType = $json.StringOf("payload.mimeType")
$sizeEstimate = $json.IntOf("sizeEstimate")
$i = 0
$count_i = $json.SizeOfArray("labelIds")
while ($i -lt $count_i) {
    $json.I = $i
    $strVal = $json.StringOf("labelIds[i]")
    $i = $i + 1
}

$i = 0
$count_i = $json.SizeOfArray("payload.headers")
while ($i -lt $count_i) {
    $json.I = $i
    $name = $json.StringOf("payload.headers[i].name")
    $value = $json.StringOf("payload.headers[i].value")
    $i = $i + 1
}

$("Example Completed.")

Sample JSON Response Body

{
  "id": "15fc23688c553739",
  "threadId": "15fc23688c553739",
  "labelIds": [
    "IMPORTANT",
    "SENT",
    "INBOX"
  ],
  "snippet": "This is a test. \u200b",
  "historyId": "1438",
  "internalDate": "1510791874000",
  "payload": {
    "mimeType": "multipart/mixed",
    "headers": [
      {
        "name": "MIME-Version",
        "value": "1.0"
      },
      {
        "name": "Received",
        "value": "by 10.25.23.105 with HTTP; Wed, 15 Nov 2017 16:24:34 -0800 (PST)"
      },
      {
        "name": "X-Originating-IP",
        "value": "[2601:249:e00:9093:e894:b27f:e5d6:d01d]"
      },
      {
        "name": "Date",
        "value": "Wed, 15 Nov 2017 18:24:34 -0600"
      },
      {
        "name": "Delivered-To",
        "value": "matt@chilkat.io"
      },
      {
        "name": "Message-ID",
        "value": "\u003cCAPhjyBM1qqXS6NVB65W8Zt5-McF03qWSRDjW5am66wTMuard=w@mail.gmail.com\u003e"
      },
      {
        "name": "Subject",
        "value": "Test HTML email with image and attachment."
      },
      {
        "name": "From",
        "value": "Matt Fausey \u003cmatt@chilkat.io\u003e"
      },
      {
        "name": "To",
        "value": "Matt Fausey \u003cmatt@chilkat.io\u003e"
      },
      {
        "name": "Content-Type",
        "value": "multipart/mixed; boundary=\"001a11401a6c097887055e0ea572\""
      }
    ]
  },
  "sizeEstimate": 11716
}