meteor-soap

soap npm module wrapped for meteor. Both SOAP client and SOAP server are usable, although server is not thoroughly tested.

Exposed API

API is mostly the same, but has no callback argument since it's synchronous and throw's errors. Please correspond to original documentation

node-soap isn't packaged for browser usage and thus, meteor-soap is avalible only server-side.

Package

Soap.createClient(url[, options]) - create a new SOAP client from a WSDL url. Also supports a local filesystem path.

Returns SOAP Client instance

var url = 'http://example.com/wsdl?wsdl';
var args = {name: 'value'};

try {
  var client = Soap.createClient(url);
  var result = client.MyFunction(args);

  console.log(result);
}
catch (err) {
  if(err.error === 'soap-creation') {
    console.log('SOAP Client creation failed');
  }
  else if (err.error === 'soap-method') {
    console.log('SOAP Method call failed');
  }

}

Soap.listen(path, services, wsdl) - create a new SOAP server that listens on path and provides services.

:warning: New feature, use at your own risk.

Returns SOAP server instance.

var service = {
    MyService: {
      MyServicePort: {
        MyOperation: function(args) {
          if(!args.Request) {
            throw { Fault: {
                Code: {
                  Value: "soap:Sender",
                  Subcode: { value: "rpc:BadArguments" }
                },
                Reason: { Text: "Processing Error" }
              } };
          }

          return { Response: args.Request };
        }
      }
    }
  };

var wsdl = Assets.getText('wsdl.xml');
var soapServer = Soap.listen('/soap', service, wsdl);

Soap.SecurityProtocol

Where SecurityProtocol is one of

• BasicAuthSecurity
• WSSecurity
• ClientSSLSecurity
• BearerSecurity

Used in calls to Client.setSecurity

SOAP Client

An instance of SOAP Client is returned from Soap.createClient. It is used to execute methods on the soap service.

Client.describe() - description of services, ports and methods as a JavaScript object

  client.describe() // returns
    {
      MyService: {
        MyPort: {
          MyFunction: {
            input: {
              name: 'string'
            }
          }
        }
      }
    }

Client.setSecurity(security) - use the specified security protocol

  client.setSecurity(new Soap.BasicAuthSecurity('username', 'password'));

Client.method(args) - call method on the SOAP service.

  var result = client.MyFunction({name: 'value'});

Client.service.port.method(args, options) - call a method using a specific service and port

  var result = client.MyService.MyPort.MyFunction({name: 'value'});

SOAP Server

An instance of SOAP Server is returned from Soap.listen.

Server logging

If the log method is defined it will be called with 'received' and 'replied' along with data.

  server.log = function(type, data) {
    // type is 'received' or 'replied'
  };

Server Events

Server instances emit the following events:

• request - Emitted for every received messages. The signature of the callback is function(request, methodName).
• headers - Emitted when the SOAP Headers are not empty. The signature of the callback is function(headers, methodName).

The sequence order of the calls is request, headers and then the dedicated service method.

SOAP Fault

A service method can reply with a SOAP Fault to a client by throwing an object with a Fault property.

  throw {
    Fault: {
      Code: {
        Value: "soap:Sender",
        Subcode: { value: "rpc:BadArguments" }
      },
      Reason: { Text: "Processing Error" }
    }
  };

SOAP Headers

A service method can look at the SOAP headers by providing a 3rd arguments.

  {
      HeadersAwareFunction: function(args, cb, headers) {
          return {
              name: headers.Token
          };
      }
  }

It is also possible to subscribe to the 'headers' event. The event is triggered before the service method is called, and only when the SOAP Headers are not empty.

  server.on('headers', function(headers, methodName) {
    // It is possible to change the value of the headers
    // before they are handed to the service method.
    // It is also possible to throw a SOAP Fault
  });

First parameter is the Headers object; second parameter is the name of the SOAP method that will called (in case you need to handle the headers differently based on the method).

server security example using PasswordDigest

If server.authenticate is not defined no authentation will take place.

  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');
  };

server connection authorization

This is called prior to soap service method If the method is defined and returns false the incoming connection is terminated.

  server.authorizeConnection = function(req) {
    return true; // or false
  };