Node.js

URL Encoding Charset in POST Query Params

See more HTTP Examples

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

NODEJS_PRELUDE

function chilkatExample() {

    var 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".
    var nameWin1252Encoded = "M%E6RSK";

    var sb = new chilkat.StringBuilder();
    success = sb.DecodeAndAppend(nameWin1252Encoded,"url","windows-1252");

    var http = new 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

    var req = new 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.ContentType = "application/x-www-form-urlencoded";

    var resp = new chilkat.HttpResponse();
    success = http.HttpReq("https://www.chilkatsoft.com/something",req,resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    // 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 == false) {
        console.log(http.LastErrorText);
        return;
    }

    // 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 == false) {
        console.log(http.LastErrorText);
        return;
    }

    // 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 POST with XML body 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.
    success = http.HttpSReq("www.chilkatsoft.com",443,true,req,resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    // 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>

}

chilkatExample();