Created
April 14, 2017 18:24
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Trying to respond to a Slack PM with a response including buttons
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Function Invoke-ExampleSlackBot { | |
[cmdletbinding()] | |
Param( | |
[Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true)] | |
[ValidateNotNullOrEmpty()] | |
[string]$BotName, | |
[Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true)] | |
[ValidateNotNullOrEmpty()] | |
[securestring]$Token = $(Read-Host -Prompt "API Key" -AsSecureString) | |
) | |
$ClearToken = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto( | |
[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR( | |
$Token | |
) | |
) | |
#Web API call starts the session and gets a websocket URL to use. | |
$RTMSession = Invoke-RestMethod -Uri https://slack.com/api/rtm.start -Body @{token="$ClearToken"} | |
Write-Verbose "I am $($RTMSession.self.name)" | |
Try{ | |
Do{ | |
$WS = New-Object System.Net.WebSockets.ClientWebSocket | |
$CT = New-Object System.Threading.CancellationToken | |
$Conn = $WS.ConnectAsync($RTMSession.URL, $CT) | |
While (!$Conn.IsCompleted) { Start-Sleep -Milliseconds 100 } | |
Write-Verbose "Connected to $($RTMSession.URL)" | |
$Size = 1024 | |
$Array = [byte[]] @(,0) * $Size | |
$Recv = New-Object System.ArraySegment[byte] -ArgumentList @(,$Array) | |
While ($WS.State -eq 'Open') { | |
$RTM = "" | |
Do { | |
$Conn = $WS.ReceiveAsync($Recv, $CT) | |
While (!$Conn.IsCompleted) { Start-Sleep -Milliseconds 100 } | |
$Recv.Array[0..($Conn.Result.Count - 1)] | ForEach-Object { $RTM = $RTM + [char]$_ } | |
} Until ($Conn.Result.Count -lt $Size) | |
Write-Verbose "$RTM" | |
If ($RTM){ | |
$RTM = ($RTM | convertfrom-json) | |
Switch ($RTM){ | |
{($_.type -eq 'message') -and (!$_.reply_to)} { | |
If ( ($_.text -Match "<@$($RTMSession.self.id)>") -or $_.channel.StartsWith('D') ){ | |
#A message was sent to the bot | |
$MessageCommand = @{ | |
BotName = $BotName | |
Message = "$($_.text)".ToLower() | |
Channel = $RTM.Channel | |
} | |
if ($MessageCommand.Message){ | |
$ID = (get-date).ticks | |
$Timeout = 30 | |
$Prop = @{ | |
'id' = $ID; | |
'type' = 'message'; | |
'text' = 'Would you like to play a game?'; | |
'channel' = $MessageCommand.Channel | |
'attachments' = @( | |
@{ | |
"text" = "Choose a game to play" | |
"fallback" = "You are unable to choose a game" | |
"callback_id" = "wopr_game" | |
"color" = "#3AA3E3" | |
"attachment_type" = "default" | |
"actions" = @( | |
@{ | |
"name" = "game" | |
"text" = "Chess" | |
"type" = "button" | |
"value" = "chess" | |
}, | |
@{ | |
"name" = "game" | |
"text" = "Falken's Maze" | |
"type" = "button" | |
"value" = "maze" | |
}, | |
@{ | |
"name" = "game" | |
"text" = "Thermonuclear War" | |
"style" = "danger" | |
"type" = "button" | |
"value" = "war" | |
"confirm" = @{ | |
"title" = "Are you sure?" | |
"text" = "Wouldn't you prefer a good game of chess?" | |
"ok_text" = "Yes" | |
"dismiss_text" = "No" | |
} | |
} | |
) | |
} | |
) | |
} | |
$Msg = (New-Object –TypeName PSObject –Prop $Prop) | ConvertTo-Json -Depth 5 | |
$Array = @() | |
$Msg.ToCharArray() | ForEach-Object { $Array = $Array + [byte]$_ } | |
Write-Verbose $msg | |
$Msg = New-Object System.ArraySegment[byte] -ArgumentList @(,$Array) | |
Write-Verbose $msg | |
$Conn = $WS.SendAsync($Msg, [System.Net.WebSockets.WebSocketMessageType]::Text, [System.Boolean]::TrueString, $CT) | |
$ConnStart = Get-Date | |
While (!$Conn.IsCompleted) { | |
$TimeTaken = ((get-date) - $ConnStart).Seconds | |
If ($TimeTaken -gt $Timeout) { | |
Write-Verbose -Level Error "Message $ID took longer than $Timeout seconds and may not have been sent." | |
Return | |
} | |
Start-Sleep -Milliseconds 100 | |
} | |
} | |
}Else{ | |
Write-Verbose "Message ignored as it wasn't sent to @$($RTMSession.self.name) or in a DM channel" | |
} | |
} | |
{$_.type -eq 'reconnect_url'} { $RTMSession.URL = $RTM.url } | |
default { Write-Verbose "No action specified for $($RTM.type) event" } | |
} | |
} | |
} | |
} Until (!$Conn) | |
}Finally{ | |
If ($WS) { | |
Write-Verbose "Closing websocket" | |
$WS.Dispose() | |
} | |
} | |
} | |
Invoke-ExampleSlackBot -BotName ProtobotSlack |
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