Ruby Sinatra Webservice running on localhost:4567 but not on IP
Following worked for me. ruby app.rb -o 0.0.0.0
sinatra
What is this file config.ru, and what is it for?
config.ru is a Rack configuration file (ru stands for “rackup”). Rack provides a minimal interface between web servers that support Ruby and Ruby frameworks. It’s like a Ruby implementation of a CGI which offers a standard protocol for web servers to execute programs. Rack’s run command here means for requests to the server, make Sinatra::Application … Read more
How to make Sinatra work over HTTPS/SSL?
this seems to do it for me: require ‘sinatra/base’ require ‘webrick’ require ‘webrick/https’ require ‘openssl’ CERT_PATH = ‘/opt/myCA/server/’ webrick_options = { :Port => 8443, :Logger => WEBrick::Log::new($stderr, WEBrick::Log::DEBUG), :DocumentRoot => “/ruby/htdocs”, :SSLEnable => true, :SSLVerifyClient => OpenSSL::SSL::VERIFY_NONE, :SSLCertificate => OpenSSL::X509::Certificate.new( File.open(File.join(CERT_PATH, “my-server.crt”)).read), :SSLPrivateKey => OpenSSL::PKey::RSA.new( File.open(File.join(CERT_PATH, “my-server.key”)).read), :SSLCertName => [ [ “CN”,WEBrick::Utils::getservername ] ] } … Read more
Get client’s IP address in Sinatra?
Sinatra provides a request object, which is the interface to the client request data that you should be using. Using request.ip is the preferred method to find the client’s IP address: get “https://stackoverflow.com/” do “Your IP address is #{request.ip}” end
What is a very simple authentication scheme for Sinatra/Rack
Here is a very simple authentication scheme for Sinatra. I’ll explain how it works below. class App < Sinatra::Base set :sessions => true register do def auth (type) condition do redirect “/login” unless send(“is_#{type}?”) end end end helpers do def is_user? @user != nil end end before do @user = User.get(session[:user_id]) end get “https://stackoverflow.com/” do … Read more
Passing parameters to erb view
just pass the :locals to the erb() in your routes: get ‘/hello/:name’ do erb :hello, :locals => {:name => params[:name]} end and then just use it in the views/hello.erb: Hello <%= name %> (tested on sinatra 1.2.6)
Cannot access local Sinatra server from another computer on same network
There was a recent commit to Sinatra that changed the default listen address to localhost from 0.0.0.0 in development mode due to security concerns. In order to explicitly allow access from the network, you need to either run your app in another mode (e.g. production), or set the bind option to 0.0.0.0. You can do … Read more
How to parse JSON request body in Sinatra just once and expose it to all routes?
Use a sinatra before handler: before do request.body.rewind @request_payload = JSON.parse request.body.read end this will expose it to the current request handler. If you want it exposed to all handlers, put it in a superclass and extend that class in your handlers.
Encoding::UndefinedConversionError
menu.to_s.encode(‘UTF-8’, invalid: :replace, undef: :replace, replace: ‘?’) This worked perfectly, I had to replace some extra characters but there are no more errors.
Set default content_type for Sinatra
Sure, add content_type to the before callback: class MyApp < Sinatra::Base before do content_type ‘application/json’ end … end Sinatra 1.1 introduces pattern-matching before filters: before ‘/admin/*’ do check_logged_in end