function Get-MatrixRoomMessages { param( [Parameter(Mandatory)] [string]$ServerUrl, [Parameter(Mandatory)] [SecureString]$AccessToken, [Parameter(Mandatory)] [string]$UserId, [Parameter(Mandatory)] [string]$RoomId, [Parameter(Mandatory = $false)] [int]$Limit = 50 ) Write-Debug "URL: $url" $headers = Get-MatrixAuthHeaders -AccessToken $AccessToken try { $filterUrl = New-MatrixUrl -ServerUrl $ServerUrl -ApiPath "_matrix/client/v3/user/$UserId/filter" $filter = [PSCustomObject]@{ room = @{ rooms = @( $RoomId ) timeline = @{ limit = $Limit rooms = @( $RoomId ) types = @( "m.room.message" ) } } } | ConvertTo-Json -Depth 3 $filterRes = Invoke-RestMethod -Uri $filterUrl -Method "POST" -Headers $headers -Body $filter } catch { Write-Error $_ return } try { $filterId = $filterRes.filter_id $url = New-MatrixUrl -ServerUrl $ServerUrl ` -ApiPath ("_matrix/client/v3/sync" ` + "?filter=$filterId" ` + "&full_state=true&set_presence=offline") $res = Invoke-RestMethod -Uri $url -Headers $headers } catch { Write-Error $_ return } $events = $res.rooms.join.($RoomId).timeline.events $formattedEvents = @() $events | ForEach-Object { $formattedEvent = [PSCustomObject]@{ EventID = $_.event_id Sender = $_.sender Body = $_.content.body Format = $_.content.format FormattedBody = $_.content.formatted_body MsgType = $_.content.msgtype } $formattedEvent.PSObject.TypeNames.Insert(0, 'MatrixMessage') $formattedEvents += $formattedEvent } return $formattedEvents }