caddy-log-converter/source/CaddyLog-To-AccessLog.ps1

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2023-04-06 18:24:09 +00:00
param (
[Parameter(Mandatory = $false)][string] $inFile,
[Parameter(Mandatory = $false)][string] $outFile,
[Parameter(Mandatory = $false)][int] $lines = 0
)
if ([string]::IsNullOrWhiteSpace($inFile)) {
$inFile = [System.Environment]::GetEnvironmentVariable("INFILE")
}
if ([string]::IsNullOrWhiteSpace($outFile)) {
$outFile = [System.Environment]::GetEnvironmentVariable("OUTFILE")
}
$baseDate = (New-Object System.DateTime -ArgumentList @(1970, 1, 1, 0, 0, 0, [DateTimeKind]::Utc)).ToLocalTime()
$builder = New-Object System.Text.StringBuilder
$outputStream = [IO.File]::Open($outFile, [IO.FileMode]::Append, [IO.FileAccess]::Write, [IO.FileShare]::Read)
$outputWriter = New-Object -TypeName System.IO.StreamWriter -ArgumentList @($outputStream, [Text.Encoding]::UTF8)
Get-Content -Tail $lines -Wait -Path $inFile | ForEach-Object {
$l = ConvertFrom-Json -InputObject $_
$r = $l.request;
$ua = $r.headers.'User-Agent'
$null = $builder.Clear()
$null = $builder.Append($r.remote_ip)
$null = $builder.Append(" - [")
$null = $builder.Append($baseDate.AddSeconds($l.ts).ToString("yyyy-MM-dd HH:mm:ss.fff"))
$null = $builder.Append("] """)
$null = $builder.Append($r.host)
$null = $builder.Append(""" ")
$null = $builder.Append($r.method)
$null = $builder.Append(" ")
$null = $builder.Append($r.uri)
$null = $builder.Append(" ")
$null = $builder.Append($r.proto)
$null = $builder.Append(" ")
$null = $builder.Append($l.status)
$null = $builder.Append(" ")
$null = $builder.Append($l.size)
$null = $builder.Append(" """)
$null = $builder.Append($r.headers.Referer)
$null = $builder.Append(""" """)
$null = $builder.Append("$ua")
$null = $builder.Append("""")
$commonLog = $builder.ToString()
Write-Output $commonLog
$outputWriter.WriteLine($commonLog)
$outputWriter.Flush()
#[system.string]::Join(
# " ",
# @(
# "$($r.remote_ip) - [$($baseDate.AddSeconds($l.ts).ToString("yyyy-MM-dd HH:mm:ss.fff"))]",
# """$($r.host)""",
# $r.method,
# $r.uri,
# $r.proto,
# $l.status,
# $l.size,
# """$($r.headers.Referer)""",
# """$ua"""
# ))
}