(PowerShell) URL Encoding Charset in POST Query Params

Demonstrates how to control the URL encoding charset in POST query params.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# We have the string "MÆRSK".
$nameWin1252Encoded = "M%E6RSK"

$sb = New-Object Chilkat.StringBuilder
$success = $sb.DecodeAndAppend($nameWin1252Encoded,"url","windows-1252")

$http = New-Object Chilkat.Http

# We're setting the session log filename so we can see the exact request sent.
$http.SessionLogFilename = "qa_output/sessionLog.txt"

# First demonstrate a simple application/x-www-form-urlencoded POST

$req = New-Object Chilkat.HttpRequest

# Set the Charset = "utf-8" to cause URL encoding to use utf-8.
$req.Charset = "utf-8"

$req.AddParam("name",$sb.GetAsString())

$req.HttpVerb = "POST"
$req.HttpVerb = "POST"
$req.ContentType = "application/x-www-form-urlencoded"

$resp = New-Object Chilkat.HttpResponse
$success = $http.HttpReq("https://www.chilkatsoft.com/something",$req,$resp)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

# This is the request that is sent:
# Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

# 	POST /something HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: application/x-www-form-urlencoded
# 	Content-Length: 15
# 
# 	name=M%C3%A6RSK

# ---------------------------------------------------------------
# Switch to windows-1252

$req.Charset = "windows-1252"
$req.HttpVerb = "POST"
$req.ContentType = "application/x-www-form-urlencoded"

$success = $http.HttpReq("https://www.chilkatsoft.com/something",$req,$resp)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

# This is the request that is sent:
# Notice that windows-1252 is used in the query param (the letter 'Æ' is %E6)

# 	POST /something HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: application/x-www-form-urlencoded
# 	Content-Length: 12
# 
# 	name=M%E6RSK

# ---------------------------------------------------------------
# Let's do the same with HttpSReq, switching back to utf-8

$req.Path = "/something"
$req.HttpVerb = "POST"
$req.ContentType = "application/x-www-form-urlencoded"

$req.Charset = "utf-8"
$success = $http.HttpSReq("www.chilkatsoft.com",443,$true,$req,$resp)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

# This is the request that is sent:
# Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

# 	POST /something HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: application/x-www-form-urlencoded
# 	Content-Length: 15
# 
# 	name=M%C3%A6RSK

# ---------------------------------------------------------------
# Let's do a PostXml where the query params are in the HTTP request start line, 
# and the Content-Type is text/xml where the body of the request is XML.

$req.Path = "/something"
$req.HttpVerb = "POST"
$req.ContentType = "text/xml"
$success = $req.LoadBodyFromString("<test>123</test>","utf-8")
$req.Charset = "utf-8"

# Remember... our request object still contains the query param added in the above call to AddParam.new HttpResponse resp;
$success = $http.HttpSReq("www.chilkatsoft.com",443,$true,$req,$resp)
if ($success -eq $false) {
    $($http.LastErrorText)
    exit
}

# This is the request that is sent:
# Notice that utf-8 is used in the query param (the letter 'Æ' is %C3%A6)

# 	POST /something?name=M%C3%A6RSK HTTP/1.1
# 	Host: www.chilkatsoft.com
# 	Content-Type: text/xml
# 	Content-Length: 16
# 
# 	<test>123</test>