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Wallet-Draining npm Package Impersonates Nodemailer to Hijack Crypto Transactions
Malicious npm package impersonates Nodemailer and drains wallets by hijacking crypto transactions across multiple blockchains.
WebSocket component for Sinatra RocketIO
% gem install sinatra-websocketio
Server Side
require 'sinatra'
require 'sinatra/websocketio'
set :websocketio, :port => 9000
run Sinatra::Application
io = Sinatra::WebSocketIO
io.push :temperature, 35 # to all clients
io.push :light, {:value => 150}, {:to => session_id} # to specific client
Client Side
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="<%= websocketio_js %>"></script>
var io = new WebSocketIO().connect();
io.on("temperature", function(value){
console.log("server temperature : " + value);
}); // => "server temperature : 35"
io.on("light", function(data){
console.log("server light sensor : " + data.value);
}); // => "server light sensor : 150"
Client Side
io.on("connect", function{
io.push("chat", {name: "shokai", message: "hello"}); // client -> server
});
Server Side
io.on :chat do |data, session|
puts "#{data['name']} : #{data['message']} <#{session}>"
end
## => "shokai : hello <12abcde345f6g7h8ijk>"
Client Side
io.on("connect", function(session){
alert("connect!!");
});
io.on("disconnect", function(){
alert("disconnected");
});
Server Side
io.on :connect do |session|
puts "new client <#{session}>"
io.push :hello, "hello!!"
end
io.on :disconnect do |session|
puts "client disconnected <#{session}>"
end
Client Side
io.on("error", function(err){
console.error(err);
});
Server Side
io.on :error do |e|
STDERR.puts e
end
Server Side
event_id = io.on :chat do |data, from|
puts "#{data} - from#{from}"
end
io.removeListener event_id
or
io.removeListener :chat # remove all "chat" listener
Client Side
var event_id = io.on("error", function(err){
console.error("WebSocketIO error : "err);
});
io.removeListener(event_id);
or
io.removeListener("error"); // remove all "error" listener
set :websocketio, :port => 9000
or
% WS_PORT=9000 rackup config.ru
chat app
% gem install bundler
% bundle install
start server
% rake test_server
run test
% rake test
git checkout -b my-new-feature
)git commit -am 'Add some feature'
)git push origin my-new-feature
)FAQs
Unknown package
We found that sinatra-websocketio demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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