WinRT - StreamSocket - Connection closing while reading data via LoadAsync - javascript

I'm trying to send HTTP requests via StreamSocket, but response is truncated with
"failedWinRTError: The object has been closed."
Here is my code:
var count, hostName, raw_request, raw_response, reader, socketProtection, startReader, streamSocket, writer;
streamSocket = new Windows.Networking.Sockets.StreamSocket();
hostName = new Windows.Networking.HostName("www.reddit.com", "80");
raw_response = "";
count = 0;
startReader = function() {
return reader.loadAsync(8 * 1000).done(function(bytesRead) {
raw_response += reader.readString(reader.unconsumedBufferLength);
if (raw_response.indexOf("</html>") > 0) {
return;
} else {
startReader();
}
}, function(error) {
raw_response += reader.readString(reader.unconsumedBufferLength);
window.raw_response = raw_response;
return;
});
};
streamSocket.connectAsync(hostName, "80", 0).done(function(response) {
var string;
reader = new Windows.Storage.Streams.DataReader(streamSocket.inputStream);
reader.inputStreamOptions = 1;
writer = new Windows.Storage.Streams.DataWriter(streamSocket.outputStream);
string = "Hello world";
writer.writeString(raw_request);
return writer.storeAsync().done(function() {
writer.flushAsync();
writer.detachStream();
return startReader();
});
});
I noticed that the beginning of the response is truncated as well.
This is what I get at the beginning of HTTP responses.
/1.1 200 OK
Also strangely... HTTPS requests work perfectly.
Any idea what I'm doing wrong? Thanks :)

Remove http:// from the host name and the second parameter is not needed:
var hostName = new Windows.Networking.HostName("www.reddit.com");
Use this object in ConnectAsync, just hostname and service name parameters are needed:
streamSocket.connectAsync(hostName, "80").done(function (response) {
// ....
}, function (error) {
console.log(error);
});
UPDATE: Ok, if the connection is being closed, probably the server closes it. Are you sending a well formed request? Here is an example:
var raw_request, raw_response, reader, writer;
var streamSocket = new Windows.Networking.Sockets.StreamSocket();
function doRequest() {
var hostName = new Windows.Networking.HostName("www.reddit.com");
streamSocket.connectAsync(hostName, "808").then(function () {
reader = new Windows.Storage.Streams.DataReader(streamSocket.inputStream);
reader.inputStreamOptions = Windows.Storage.Streams.InputStreamOptions.partial;
writer = new Windows.Storage.Streams.DataWriter(streamSocket.outputStream);
raw_request = "GET / HTTP/1.1\r\nHost: www.reddit.com/\r\nConnection: close\r\n\r\n";
writer.writeString(raw_request);
return writer.storeAsync();
}).then(function () {
raw_response = "";
return startReader();
}, function (error) {
console.log(error);
});
}
function startReader() {
return reader.loadAsync(99999999).then(function (bytesRead) {
raw_response += reader.readString(reader.unconsumedBufferLength);
if (bytesRead === 0) {
window.raw_response.value = raw_response;
return;
}
return startReader();
});
};

Related

How to modify anchor tags in botframework Web chat

We've just started using the bot-framework. For client side we are using the cdn and not react. We have certain links that bot responds with. And we would like to append a url parameter to each link and open the link in the same window. So far this is what my code looks like. Is there a better way to achieve this using the botframework. I know there is cardActionMiddleware which has openUrl cardAction, but we don't have any cards and I am not sure on how to implement that.
var webchatMount = document.getElementById('webchatMount');
function loadChatbot() {
var xhr = new XMLHttpRequest();
xhr.open('GET', "https://webchat.botframework.com/api/tokens", true);
xhr.setRequestHeader('Authorization', 'BotConnector ' + '<secret>');
xhr.send();
xhr.onreadystatechange = function (e) {
if (xhr.readyState == 4 && xhr.status == 200) {
var response = JSON.parse(xhr.responseText);
var store = window.WebChat.createStore({}, function ({ dispatch }) {
return function (next) {
return function (action) {
if (action.type === 'DIRECT_LINE/INCOMING_ACTIVITY') {
var event = new Event('webchatincomingactivity');
event.data = action.payload.activity;
window.dispatchEvent(event);
}
return next(action);
}
}
});
window.WebChat.renderWebChat(
{
directLine: window.WebChat.createDirectLine({ token: response }),
store: store,
},
webchatMount
);
document.querySelector('.webchat__send-box-text-box__input').focus();
window.addEventListener('webchatincomingactivity', ({ data }) => {
setTimeout(function () {
var links = document.querySelectorAll('#webchatMount a');
if (links.length >= 1) {
for (var i = 0; i <= links.length; i++) {
if (links[i] == undefined)
break;
var compare = new RegExp('maindomain');
var href = links[i].getAttribute('href');
var st = getParameterByName('st', href);
if (links[i].hasAttribute('target')) {
links[i].removeAttribute('target');
}
if (compare.test(href)) {
// internal link
// check if it has st=INTRA
if (st) {
console.log(' it has a value');
} else {
links[i].setAttribute('href', insertParam('st', 'INTRA', href));
}
} else {
// external link, do nothing
}
}
}
}, 1000);
});
}
}
}
and here are getParameterByName and insertParam functions.
function getParameterByName(name, url) {
name = name.replace(/[\[\]]/g, '\\$&');
var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, ' '));
}
function insertParam(key, value, url) {
key = encodeURIComponent(key);
value = encodeURIComponent(value);
// kvp looks like ['key1=value1', 'key2=value2', ...]
var kvp = url.split('&');
var i=0;
for(; i<kvp.length; i++){
if (kvp[i].startsWith(key + '=')) {
var pair = kvp[i].split('=');
pair[1] = value;
kvp[i] = pair.join('=');
break;
}
}
if(i >= kvp.length){
kvp[kvp.length] = [key,value].join('=');
}
return kvp.join('&');
}
I am new to botframework webchat so I don't know it very well. I know that the secret should not be used like that, but for know we are testing and would like to get it to work. Any help would be appericiated
Thanks.

Nodejs: Attach Event Listener to Array If contains value

in my project I have four objects (connectors to HW decoders), which are obviously synchronous. And array (queue) of strings which I get to decryption. Is there anyway how to check if the array contains some values from Decoder objects? I think I can do it via EventEmitters, but I don't know how.
Thanks for help
-Update
Incoming value from another server is 64bites string, decoder returns 15 bites value. For communication via serial port I'm using this package SerialPort. I know how to the communication just with one decoder, but don't know how with more (in proper way).
My code for communication with one Decoder.
var SerialPort = require('serialport');
var ports = [];
ports.push( {device: new SerialPort('/dev/cu.usbmodem1411', { autoOpen: false }), enable: true});
ports.push( {device: new SerialPort('/dev/cu.usbmodem1421', { autoOpen: false }), enable: true});
//id: incoming encrypted value
module.exports.decryption = function (id, callback) {
ports[0].enable = false;
var idArray = [];
idArray[0] = id.slice(0, 16);
idArray[1] = id.slice(16, 32);
idArray[2] = id.slice(32, 48);
idArray[3] = id.slice(48, 64);
ports[0].device.open(function (err) {
if (err) {
return console.log('Error opening port: ', err.message);
}
port[0].device.write('d01');
let index = 0;
var buffer = setInterval(function () {
port[0].device.write(idArray[index]);
if (index === idArray.length - 1) clearInterval(buffer);
index++;
}, 1);
});
ports[0].device.on('data', function (data) {
callback( hex2a(data.toString('ascii')));
ports[0].device.close(function (response) {
console.log("device disconnected")
},function (error) { });
ports[0].enable = true;
});
};
function hex2a(hexx) {
var hex = hexx.toString();//force conversion
var str = '';
for (var i = 0; i < hex.length; i += 2)
str += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
return str;
}

Cloud code skipping section of code

I never learnt javascript so please bear with me.
I have a cloud function that does all but the indicated section (>>):
Parse.Cloud.define("acceptRequest", function(request, response) {
var user = request.user;
var requestUser;
var requestObject;
var requestId = request.params.objectId;
var query = new Parse.Query(GameRequests);
query.get(requestId,{
//Get GameRequest Object - requestObject
success: function (object) {
var requestObject = object;
var sender = requestObject.get("from");
var senderId = sender[0];
var query = new Parse.Query(Parse.User);
query.get(senderId, {
//From GameRequest Object data, find sender of request "requestUser"
success: function (userObject) {
var requestUser = userObject;
var requestUserList = requestUser.get("SENTrequests")
var requestIndex = requestUserList.indexOf(requestId);
if (requestIndex > -1) {
requestUserList.splice(requestIndex, 1);
requestUser.set("SENTrequests",requestUserList);
if (requestUserList.length = 1) {
user.unset("SENTrequests");
}
}
var userList = user.get("RCDrequests");
var userIndex = userList.indexOf(requestId);
if (userIndex > -1) {
userList.splice(userIndex, 1);
user.set("RCDrequests",userList);
if (userList.length = 1) {
user.unset("RCDrequests");
}
}
requestObject.destroy({
success: function(requestObject) {
requestUser.add("partners",user.id);
user.add("partners",requestUser.id);
var firstmsg = new GameMessage();
var secondmsg = new GameMessage();
firstmsg.set("sender", user.id);
firstmsg.set("receiver", requestUser.id);
firstmsg.set("sent", 0);
firstmsg.set("received", 0);
firstmsg.set("receiverName", requestUser.getUsername());
secondmsg.set("sender", requestUser.id);
secondmsg.set("receiver", user.id);
secondmsg.set("sent", 0);
secondmsg.set("received", 0);
secondmsg.set("receiverName", user.getUsername());
Parse.Object.saveAll([requestUser, user, firstmsg, secondmsg], { useMasterKey: true },{
>> success: function() {
>> console.log("Saving messages again");
>> firstmsg.set("otherside", secondmsg.id);
>> secondmsg.set("otherside", firstmsg.id);
>>
>> Parse.Object.saveAll([firstmsg, secondmsg]);
},
error: function(error) {
}
});
response.success("Successful");
},
error: function(requestObject, error){
}
});
},
error: function (userObject,error) {
}
});
},
error: function (object,error) {
response.error("Error");
}
});
});
It is supposed to save the two messages' objectIds so each has a reference to the other.
What is causing this problem and how can I fix it?
Thank you
I think your sending your response.success("Successful") before the save has been completed. Move your response to the success handler of the save.
You should take a look at promises section. You will not need the deep nested functions you have currently.

Gettings response (headers and body) in firefox extension

I'm trying to implement a feature that will give me the response text and (all the) response headers of each http request in the browser,
I've read a bit here: http://www.softwareishard.com/blog/firebug/nsitraceablechannel-intercept-http-traffic/
I had no idea how to extract the response from the TracingListener object. Anyone dealt with that before?? thanks!
My code:
const Cc = Components.classes;
const Ci = Components.interfaces;
// Helper function for XPCOM instanciation (from Firebug)
function CCIN(cName, ifaceName) {
return Cc[cName].createInstance(Ci[ifaceName]);
}
// get the observer service and register for the two coookie topics.
var observerService = Components.classes["#mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
// Copy response listener implementation.
function TracingListener() {
this.originalListener = null;
this.receivedData = []; // array for incoming data.
}
TracingListener.prototype =
{
originalListener: null,
receivedData: null, // array for incoming data.
onDataAvailable: function(request, context, inputStream, offset, count)
{
var binaryInputStream = CCIN("#mozilla.org/binaryinputstream;1",
"nsIBinaryInputStream");
var storageStream = CCIN("#mozilla.org/storagestream;1", "nsIStorageStream");
binaryInputStream.setInputStream(inputStream);
storageStream.init(8192, count, null);
var binaryOutputStream = CCIN("#mozilla.org/binaryoutputstream;1",
"nsIBinaryOutputStream");
binaryOutputStream.setOutputStream(storageStream.getOutputStream(0));
// Copy received data as they come.
var data = binaryInputStream.readBytes(count);
this.receivedData.push(data);
binaryOutputStream.writeBytes(data, count);
this.originalListener.onDataAvailable(request, context,storageStream.newInputStream(0), offset, count);
},
onStartRequest: function(request, context) {
this.originalListener.onStartRequest(request, context);
},
onStopRequest: function(request, context, statusCode)
{
try {
if (request.originalURI && piratequesting.baseURL == request.originalURI.prePath && request.originalURI.path.indexOf("/index.php?ajax=") == 0) {
dump("\nProcessing: " + request.originalURI.spec + "\n");
var date = request.getResponseHeader("Date");
var responseSource = this.receivedData.join();
dump("\nResponse: " + responseSource + "\n");
piratequesting.ProcessRawResponse(request.originalURI.spec, responseSource, date);
}
} catch(e) { dumpError(e);}
this.originalListener.onStopRequest(request, context, statusCode);
},
QueryInterface: function (aIID) {
if (aIID.equals(Ci.nsIStreamListener) ||
aIID.equals(Ci.nsISupports)) {
return this;
}
throw Components.results.NS_NOINTERFACE;
}
}
// create an nsIObserver implementor
var listener = {
observe : function(aSubject, aTopic, aData) {
// Make sure it is our connection first.
//if (aSubject == gChannel) {
var httpChannel = aSubject.QueryInterface(Components.interfaces.nsIHttpChannel);
if (aTopic == "http-on-modify-request") {
// ...
httpChannel.setRequestHeader("X-Hello", "World", false);
} else if (aTopic == "http-on-examine-response") {
// ...
//alert(JSON.stringify(aData));
var newListener = new TracingListener();
aSubject.QueryInterface(Ci.nsITraceableChannel);
newListener.originalListener = aSubject.setNewListener(newListener);
alert(httpChannel.getResponseHeader("Location"));
//alert(httpChannel.getAllResponseHeaders());
}
//}
},
QueryInterface : function(aIID) {
if (aIID.equals(Components.interfaces.nsISupports) ||
aIID.equals(Components.interfaces.nsIObserver))
return this;
throw Components.results.NS_NOINTERFACE;
}
};
observerService.addObserver(listener, "http-on-modify-request", false);
observerService.addObserver(listener, "http-on-examine-response", false);

NS_ERROR_FAILURE

I'm trying to implement the basic XHR listener as described on "Ashita" however, when loading firefox with the extension I recieve this error on whenever a page tries to load which prevents anything from loading: Error: uncaught exception: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIBinaryInputStream.readBytes]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: chrome://xhrlogger/content/overlay.js :: anonymous :: line 68" data: no]
My overlay.js is:
if (typeof Cc == "undefined") {
var Cc = Components.classes;
}
if (typeof Ci == "undefined") {
var Ci = Components.interfaces;
}
if (typeof CCIN == "undefined") {
function CCIN(cName, ifaceName){
return Cc[cName].createInstance(Ci[ifaceName]);
}
}
if (typeof CCSV == "undefined") {
function CCSV(cName, ifaceName){
if (Cc[cName])
// if fbs fails to load, the error can be _CC[cName] has no properties
return Cc[cName].getService(Ci[ifaceName]);
else
dump("CCSV fails for cName:" + cName);
};
}
var httpRequestObserver = {
observe: function(request, aTopic, aData){
if (aTopic == "http-on-examine-response") {
var newListener = new TracingListener();
request.QueryInterface(Ci.nsITraceableChannel);
newListener.originalListener = request.setNewListener(newListener);
}
},
QueryInterface: function(aIID){
if (aIID.equals(Ci.nsIObserver) ||
aIID.equals(Ci.nsISupports)) {
return this;
}
throw Components.results.NS_NOINTERFACE;
},
};
function TracingListener() {
this.receivedData = []; //initialize the array
}
TracingListener.prototype =
{
originalListener: null,
receivedData: null, //will be an array for incoming data.
onDataAvailable: function(request, context, inputStream, offset, count) {
var binaryInputStream = CCIN("#mozilla.org/binaryinputstream;1",
"nsIBinaryInputStream");
binaryInputStream.setInputStream(inputStream);
var storageStream = CCIN("#mozilla.org/storagestream;1",
"nsIStorageStream");
//8192 is the segment size in bytes, count is the maximum size of the stream in bytes
storageStream.init(8192, count, null);
var binaryOutputStream = CCIN("#mozilla.org/binaryoutputstream;1",
"nsIBinaryOutputStream");
binaryOutputStream.setOutputStream(storageStream.getOutputStream(0));
// Copy received data as they come.
var data = binaryInputStream.readBytes(count);
this.receivedData.push(data);
binaryOutputStream.writeBytes(data, count);
//Pass it on down the chain
this.originalListener.onDataAvailable(request, context, inputStream, offset, count);
},
onStartRequest: function(request, context) {
this.originalListener.onStartRequest(request, context);
},
onStopRequest: function(request, context, statusCode) {
try
{
//QueryInterface into HttpChannel to access originalURI and requestMethod properties
request.QueryInterface(Ci.nsIHttpChannel);
var data = null;
if (request.requestMethod.toLowerCase() == "post")
{
var postText = this.readPostTextFromRequest(request, context);
if (postText)
data = ((String)(postText)).parseQuery();
}
//Combine the response into a single string
var responseSource = this.receivedData.join('');
//fix leading spaces bug
//(FM occasionally adds spaces to the beginning of their ajax responses...
//which breaks the XML)
responseSource = responseSource.replace(/^\s+(\S[\s\S]+)/, "$1");
//gets the date from the response headers on the request.
//For PirateQuesting this was preferred over the date on the user's machine
var date = Date.parse(request.getResponseHeader("Date"));
//Again a PQ specific function call, but left as an example.
//This just passes a string URL, the text of the response,
//the date, and the data in the POST request (if applicable)
/* piratequesting.ProcessRawResponse(request.originalURI.spec,
responseSource,
date,
data); */
dump(date);
dump(data);
dump(responseSource);
}
catch (e)
{
//standard function to dump a formatted version of the error to console
dump(e);
}
this.originalListener.onStopRequest(request, context, statusCode);
},
readPostTextFromRequest : function(request, context) {
try
{
var is = request.QueryInterface(Ci.nsIUploadChannel).uploadStream;
if (is)
{
var ss = is.QueryInterface(Ci.nsISeekableStream);
var prevOffset;
if (ss)
{
prevOffset = ss.tell();
ss.seek(Ci.nsISeekableStream.NS_SEEK_SET, 0);
}
// Read data from the stream..
var charset = "UTF-8";
var text = this.readFromStream(is, charset, true);
if (ss && prevOffset == 0)
ss.seek(Ci.nsISeekableStream.NS_SEEK_SET, 0);
return text;
}
else {
dump("Failed to Query Interface for upload stream.\n");
}
}
catch(exc)
{
dump(exc);
}
return null;
},
QueryInterface: function (aIID) {
if (aIID.equals(Ci.nsIStreamListener) ||
aIID.equals(Ci.nsISupports)) {
return this;
}
throw Components.results.NS_NOINTERFACE;
},
readFromStream : function(stream, charset, noClose) {
var sis = CCSV("#mozilla.org/binaryinputstream;1",
"nsIBinaryInputStream");
sis.setInputStream(stream);
var segments = [];
for (var count = stream.available(); count; count = stream.available())
segments.push(sis.readBytes(count));
if (!noClose)
sis.close();
var text = segments.join("");
return text;
}
}
var observerService = Cc["#mozilla.org/observer-service;1"]
.getService(Ci.nsIObserverService);
observerService.addObserver(httpRequestObserver,
"http-on-examine-response", false);
dump("WTFBBQ");
Any help would be most appreciated.
Mine seems to work fine with less code. Try replacing your onDataAvailable function code with:
var binaryInputStream = Components.classes["#mozilla.org/binaryinputstream;1"].createInstance(Components.interfaces.nsIBinaryInputStream);
binaryInputStream.setInputStream(inputStream);
this.receivedData.push(binaryInputStream.readBytes(count));

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