38 lines
1.5 KiB
PowerShell
38 lines
1.5 KiB
PowerShell
# internal function to transmit a chunk of text to Discord
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function SendDiscordMessage
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{
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param (
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[string] $message = $(throw "-message is required"),
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[string] $webhook = $(throw "-webhook is required"),
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[string] $botName = $(throw "-botName is required")
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)
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# force utf-8, because that is what Discord needs
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$OutputEncoding = [console]::InputEncoding = [console]::OutputEncoding = New-Object System.Text.UTF8Encoding
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$header = "Content-Type: application/json"
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# convert string into json, escaping the given message
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$message = ConvertTo-Json -InputObject $message
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$botName = ConvertTo-Json -InputObject $botName
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# rewrite json string, because "\u001b[m" needs to "\u001b[0m" instead
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# windows is fine with the missing zero, but Discord needs it
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$message = $message -Replace "\\u001b\[m", "\u001b[0m"
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# remove wrapping quotes around json string, replace with color-enabled block quotes
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$message = '"```ansi\n' + $message.SubString(1, $message.length - 2) + '\n```"'
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# build post data: {"username": "$botName", "content": "$message"}
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$content = "{";
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if ($botName) {
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$content += '"username": ' + $botName + ', ';
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}
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$content += '"content": ' + $message + '}';
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# post data is complex, so we have to pipe it into curl
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# display the resulting id/message returned from Discord
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echo "$content" | curl.exe -s -H "$header" -X "POST" -d "@-" "$webhook" | ConvertFrom-Json | Select-Object -Property id, message
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}
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