Curl2PS

0.0.2

Curl2PS.psm1

Function ConvertTo-IRM {
    [cmdletbinding()]
    param (
        [curlcommand]$CurlCommand,
        [switch]$String
    )
    if($String.IsPresent){
        $CurlCommand.ToIRM()
    } else {
        $CurlCommand.ToIRMSplat()
    }
}
Function Get-CurlCommand {
    param (
        [ValidateScript({$_.ToLower() -match '^curl '})]
        [string]$CurlString
    )
    [curlcommand]::new($CurlString)
}
Function Get-URLData {
    Param(
        [Parameter(Mandatory=$true)]
        [String]$Url,
    
        [Switch]
        $IsValidURL
    )
    [url]::new($Url)
} 
    
Function ConvertTo-HtString {
    param (
        [hashtable]$InputObject
    )
    $strKeys = @()
    foreach ($key in $InputObject.Keys){
        $strKeys += " '$key' = '$($InputObject[$key])'"
    }
    $str = "@{`n" + ($strKeys -join "`n") + "`n}"
    $str
}
Class CurlCommand {
    [string]$RawCommand
    [string]$Body
    [URL]$URL
    [string]$Method
    [hashtable]$Headers = @{}
    [bool]$Verbose = $false

    CurlCommand(
        [string]$curlString
    ){
        if ($curlString -match "`r`n") {
            $arr = $curlString -split "`r`n"
            $curlString = ($arr | foreach-object {$_.TrimEnd('\').TrimEnd(' ')}) -join ' '
        }
        $this.RawCommand = $curlString
        # Set the default method in case one isn't set later
        $this.Method = 'Get'
        
        $tmpurl = [url]::new($curlString)
        if ($tmpurl){
            $this.URL = $tmpurl
        } else {
            # No URL present, error
        }

        if ($tmpurl.FullUrl -match 'https?:\/\/(?<up>[^@]+)@'){
            $encodedAuth = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($Matches.up))
            $urlNoAuth = $tmpurl.FullUrl -replace "$($matches.up)@",''
            $this.URL = [url]::new($urlNoAuth)
            $this.Headers['Authorization'] = "Basic $encodedAuth"
        }

        # Remove url from string
        $escapedUrl = [regex]::Escape($tmpurl)
        $workingStr = $CurlString -replace '^curl\s+','' -replace "['`"]?$escapedUrl['`"]?",''

        # Find all parameters
        While ($workingStr -match '^(?<param>\-{1,2}[^\s]+)'){
            $parameterName = $Matches.param
            
            # Match parameter value
            # Don't match quotes except for excaped quotes: \"
            $escapedParamName = [regex]::Escape($parameterName)
            $workingStr -match "$escapedParamName (?<paramValueQuotes>`'(?<paramValue>[^']+)`'|`"(?<paramValue>((\\`")|[^`"])+)`"|(?<paramValue>[^\-][^\s]+))" | Out-Null
    
            # Do things based on what parameter it is
            switch ($parameterName.Trim('-')){
                {'H','header' -contains $_} {
                    # Headers
                    $split = ($Matches.paramValue.Split(':') -replace '\\"','"')
                    $this.headers[($split[0].Trim())] = (($split[1..$($split.count)] -join ':').Trim())
                }
                {'X','request' -contains $_} {
                    # Request type
                    $this.Method = $matches.paramValue.Trim()
                }
                {'v','verbose' -contains $_} {
                    # Verbosity
                    $this.Verbose = $true
                }
                {'d','data' -contains $_} {
                    # Body
                    $this.body = $matches.paramValue.Trim() -replace '\\"','"'
                }
                default {
                    # Unknown
                    Write-Verbose "unknown: $($matches[0])"
                }
            }
    
            # Remove the param name and value from the workingStr
            $escapedMatch = [regex]::Escape($Matches[0])
            $workingStr = ($workingStr -replace $escapedMatch,'').Trim()
        }
    }

    [string] ToString(){
        return $this.RawCommand
    }

    [string] ToIRM(){
        $outString = 'Invoke-RestMethod'
        $outString += " -Uri $($this.URL.ToString())"
        $outString += " -Method $($this.Method)"
        if ($this.Body.Length -gt 0){
            $outString += " -Body '$($this.Body)'"
        }
        if ($this.Headers.Keys){
            #$outString += " -Headers ('$($this.Headers | ConvertTo-Json -Compress)' | ConvertFrom-Json)"
            $outString += " -Headers $(ConvertTo-HtString $this.Headers)"
        }
        return $outString
    }

    [hashtable] ToIRMSplat(){
        $out = @{}
        $out['Uri'] = $this.URL.ToString()
        $out['Method'] = $this.Method
        if ($this.Body.Length -gt 0){
            $out['Body'] = $this.Body
        }
        if ($this.Headers.Keys){
            $out['Headers'] = $this.Headers
        }
        return $out
    }
}


#$curlString = 'curl -H "X-Auth-Key: 61e5f04ca1794253ed17e6bb986c1702" -H "X-Auth-Workspace: demo.example@actualreports.com" -H "X-Auth-Signature: " -H "Content-Type: application/json" -H "Accept: application/json" -X GET https://us1.pdfgeneratorapi.com/api/v3/templates'
Class URL {
    [string]$FullUrl
    [string]$BaseUrl
    [string]$DomainName
    [string]$Extension
    [string]$BaseName
    [string]$Path
    [string]$Protocol
    [string]$QueryString
    [string]$Fragment
        
    URL (
        [string]$urlString
    ){
        $Regex = "(?'FullUrl'(?'BaseUrl'(?'Protocol'https?):\/\/(?'DomainName'(?:www\.)?(?'BaseName'[a-zA-Z0-9@:%_\+~#=-]{2,256})(?'Extension'\.[a-zA-Z]{2,6}\b)?)?)(?'Path'[-a-zA-Z0-9@:%_\+.~#&\/\/=,]+)?)(?'QueryString'\?[a-zA-Z0-9@:%_\+.~?&\/\/=]*)?(?'Fragment'#[a-zA-Z0-9@:%_\+.~#&\/\/=]*)?"
        $null = $urlString -match $Regex
        If($Matches){
            $this.FullUrl = $Matches.FullUrl
            $this.BaseUrl = $Matches.BaseUrl
            $this.DomainName = $Matches.DomainName
            $this.Extension = $Matches.Extension
            $this.BaseName = $Matches.BaseName
            $this.Path = $Matches.Path
            $this.Protocol = $Matches.Protocol
            $this.QueryString = $Matches.QueryString
            $this.Fragment = $Matches.Fragment
        }
    }

    [string] ToString(){
        return $this.FullUrl
    }
}