Public/Get-GSGmailMessageInfo.ps1
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function Get-GSGmailMessageInfo { [cmdletbinding(DefaultParameterSetName="Format")] Param ( [parameter(Mandatory=$false)] [string] $User=$Script:PSGSuite.AdminEmail, [parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$True)] [Alias('id')] [String[]] $MessageID, [parameter(Mandatory=$false,ParameterSetName="ParseMessage")] [switch] $ParseMessage, [parameter(Mandatory=$false,ParameterSetName="ParseMessage")] [ValidateScript({Test-Path $_})] [string] $AttachmentOutputPath, [parameter(Mandatory=$false,ParameterSetName="Format")] [ValidateSet("Full","Metadata","Minimal","Raw")] [string] $Format="Full", [parameter(Mandatory=$false)] [String] $AccessToken, [parameter(Mandatory=$false)] [ValidateNotNullOrEmpty()] [String] $P12KeyPath = $Script:PSGSuite.P12KeyPath, [parameter(Mandatory=$false)] [ValidateNotNullOrEmpty()] [String] $AppEmail = $Script:PSGSuite.AppEmail ) Begin { if (!$AccessToken) { $AccessToken = Get-GSToken -P12KeyPath $P12KeyPath -Scopes "https://mail.google.com/" -AppEmail $AppEmail -AdminEmail $User } $header = @{ Authorization="Bearer $AccessToken" } if ($ParseMessage) { $Format = "Raw" } if ($AttachmentOutputPath) { [System.Reflection.Assembly]::LoadWithPartialName('System.IO') | Out-Null } $response = @() } Process { $URI = "https://www.googleapis.com/gmail/v1/users/$User/messages/$($MessageID)?format=$Format" try { $result = Invoke-RestMethod -Method Get -Uri $URI -Headers $header if ($ParseMessage) { $converted = Read-MimeMessage -String $(Convert-Base64 -From WebSafeBase64String -To NormalString -String $result.raw) $response += $converted if ($AttachmentOutputPath) { $attachments = $det.BodyParts | ? {![string]::IsNullOrEmpty($_.FileName)} foreach ($att in $attachments) { $fileName = "$AttachmentOutputPath\$($att.FileName)" $stream = [IO.File]::Create($fileName) $att.ContentObject.DecodeTo($stream) } } } else { $response += $result } } catch { try { $result = $_.Exception.Response.GetResponseStream() $reader = New-Object System.IO.StreamReader($result) $reader.BaseStream.Position = 0 $reader.DiscardBufferedData() $resp = $reader.ReadToEnd() $response = $resp | ConvertFrom-Json | Select-Object @{N="Error";E={$Error[0]}},@{N="Code";E={$_.error.Code}},@{N="Message";E={$_.error.Message}},@{N="Domain";E={$_.error.errors.domain}},@{N="Reason";E={$_.error.errors.reason}} Write-Error "$(Get-HTTPStatus -Code $response.Code): $($response.Domain) / $($response.Message) / $($response.Reason)" return } catch { Write-Error $resp return } } } End { return $response } } |