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The 'soap' npm package is a SOAP client and server library for Node.js. It allows you to create SOAP clients to consume web services and also create SOAP servers to expose your own web services.
Create a SOAP Client
This feature allows you to create a SOAP client that can consume a SOAP web service. You provide the WSDL URL, and the client can then call the web service methods.
const soap = require('soap');
const url = 'http://example.com/wsdl?wsdl';
soap.createClient(url, function(err, client) {
if (err) throw err;
client.MyFunction({name: 'value'}, function(err, result) {
if (err) throw err;
console.log(result);
});
});
Create a SOAP Server
This feature allows you to create a SOAP server that exposes your own web service. You define the service and its methods, and provide the WSDL file.
const soap = require('soap');
const express = require('express');
const app = express();
const myService = {
MyService: {
MyPort: {
MyFunction: function(args) {
return { name: args.name };
}
}
}
};
const xml = require('fs').readFileSync('myservice.wsdl', 'utf8');
soap.listen(app, '/wsdl', myService, xml);
app.listen(8000);
Handle SOAP Headers
This feature allows you to add custom SOAP headers to your SOAP client requests. This can be useful for authentication or other custom header requirements.
const soap = require('soap');
const url = 'http://example.com/wsdl?wsdl';
soap.createClient(url, function(err, client) {
if (err) throw err;
const soapHeader = { 'MyHeader': 'value' };
client.addSoapHeader(soapHeader);
client.MyFunction({name: 'value'}, function(err, result) {
if (err) throw err;
console.log(result);
});
});
The 'strong-soap' package is another SOAP client and server library for Node.js. It is similar to 'soap' but offers additional features like better WSDL handling and support for more complex SOAP scenarios. It is maintained by the StrongLoop team.
The 'easy-soap-request' package is a lightweight SOAP client for Node.js. It focuses on simplicity and ease of use, making it a good choice for simple SOAP requests. However, it does not offer server-side capabilities like 'soap'.
The 'node-soap-client' package is a minimalistic SOAP client for Node.js. It is designed to be easy to use and integrates well with modern JavaScript features like Promises and async/await. It is a good alternative if you only need client-side functionality.
This module lets you connect to web services using SOAP. It also provides a server that allows you to run your own SOAP services.
Features:
Install with npm:
npm install soap
var soap = require('soap');
var url = 'http://example.com/wsdl?wsdl';
var args = {name: 'value'};
soap.createClient(url, function(err, client) {
client.MyFunction(args, function(err, result) {
console.log(result);
});
});
wsdl is an xml string that defines the service.
var myService = {
MyService: {
MyPort: {
MyFunction: function(args) {
return {
name: args.name
};
}
// This is how to define an asynchronous function.
MyAsyncFunction: function(args, callback) {
// do some work
callback({
name: args.name
})
}
}
}
}
var xml = require('fs').readFileSync('myservice.wsdl', 'utf8'),
server = http.createServer(function(request,response) {
response.end("404: Not Found: "+request.url)
});
server.listen(8000);
soap.listen(server, '/wsdl', myService, xml);
If the log method is defined it will be called with 'received' and 'replied' along with data.
server = soap.listen(...)
server.log = function(type, data) {
// type is 'received' or 'replied'
};
If server.authenticate is not defined no authentation will take place.
server = soap.listen(...)
server.authenticate = function(security) {
var created, nonce, password, user, token;
token = security.UsernameToken, user = token.Username,
password = token.Password, nonce = token.Nonce, created = token.Created;
return user === 'user' && password === soap.passwordDigest(nonce, created, 'password');
};
This is called prior to soap service method If the method is defined and returns false the incoming connection is terminated.
server = soap.listen(...)
server.authorizeConnection = function(req) {
return true; // or false
};
An instance of Client is passed to the soap.createClient callback. It is used to execute methods on the soap service.
client.describe() // returns
{
MyService: {
MyPort: {
MyFunction: {
input: {
name: 'string'
}
}
}
}
}
client.setSecurity(new WSSecurity('username', 'password'))
client.MyFunction({name: 'value'}, function(err, result) {
// result is a javascript object
})
client.MyService.MyPort.MyFunction({name: 'value'}, function(err, result) {
// result is a javascript object
})
soapHeader
Object({rootName: {name: "value"}}) or strict xml-stringname
Unknown parameter (it could just a empty string)namespace
prefix of xml namespacexmlns
URIWSSecurity implements WS-Security. UsernameToken and PasswordText/PasswordDigest is supported. An instance of WSSecurity is passed to Client.setSecurity.
new WSSecurity(username, password, passwordType)
//'PasswordDigest' or 'PasswordText' default is PasswordText
FAQs
A minimal node SOAP client
The npm package soap receives a total of 333,432 weekly downloads. As such, soap popularity was classified as popular.
We found that soap demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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