PSMatrix/public/Get-MatrixRoomMessages.ps1

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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
}