view mod_json_streams/strophe.jsonstreams.js @ 5255:001c8fdc91a4

mod_http_oauth2: Add support for the "openid" scope This "openid" scope is there to signal access to the userinfo endpoint, which is needed for OIDC support. We don't actually check this later because the userinfo endpoint only returns info embedded in the token itself, but in the future we may want to check this more carefully.
author Kim Alvefur <zash@zash.se>
date Thu, 16 Mar 2023 17:06:35 +0100
parents 7dbde05b48a9
children
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/* jsonstreams plugin
**
** This plugin upgrades Strophe to support XEP-0295: JSON Encodings for XMPP
**
*/

Strophe.addConnectionPlugin('jsonstreams', {
    init: function (conn) {

        var parseXMLString = function(xmlStr) {
			var xmlDoc = null;
			if (window.ActiveXObject) {
				xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
				xmlDoc.async=false;
				xmlDoc.loadXML(xmlStr);
			} else {
				var parser = new DOMParser();
				xmlDoc = parser.parseFromString(xmlStr, "text/xml");
			}
			return xmlDoc;
        }

        // replace Strophe.Request._newXHR with new jsonstreams version
        // if JSON is detected
        if (window.JSON) {
        	var _newXHR = Strophe.Request.prototype._newXHR;
            Strophe.Request.prototype._newXHR = function () {
            	var _xhr = _newXHR.apply(this, arguments);
                var xhr = {
                	readyState: 0,
                	responseText: null,
                	responseXML: null,
                	status: null,
                	open: function(a, b, c) { return _xhr.open(a, b, c) },
                	abort: function() { _xhr.abort(); },
                	send: function(data) {
                		data = JSON.stringify({"s":data});
                		return _xhr.send(data);
                	}
                };
                var req = this;
                xhr.onreadystatechange = this.func.bind(null, this);
                _xhr.onreadystatechange = function() {
                	xhr.readyState = _xhr.readyState;
                	if (xhr.readyState != 4) {
                		xhr.status = 0;
                		xhr.responseText = "";
                		xhr.responseXML = null;
                	} else {
	                	xhr.status = _xhr.status;
	               		xhr.responseText = _xhr.responseText;
	               		xhr.responseXML = _xhr.responseXML;
	                	if (_xhr.responseText && !(_xhr.responseXML
	                			&& _xhr.responseXML.documentElement
	                			&& _xhr.responseXML.documentElement.tagName != "parsererror")) {
	                		var data = JSON.parse(_xhr.responseText);
	                		if (data && data.s) {
	                			xhr.responseText = data.s;
	                			xhr.responseXML = parseXMLString(data.s);
	                		}
	                	}
	                }
                	if ("function" == typeof xhr.onreadystatechange) { xhr.onreadystatechange(req); }
                }
                return xhr;
            };
        } else {
            Strophe.error("jsonstreams plugin loaded, but JSON not found." +
                          "  Falling back to native XHR implementation.");
        }
    }
});