EExcel 丞燕快速查詢2

EExcel 丞燕快速查詢2
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ruby sinatra admin login rack--two way

1.

http://www.sinatrarb.com/faq.html

require 'sinatra'

helpers do
  def protected!
    return if authorized?
    headers['WWW-Authenticate'] = 'Basic realm="Restricted Area"'
    halt 401, "Not authorized\n"
  end

  def authorized?
    @auth ||=  Rack::Auth::Basic::Request.new(request.env)
    @auth.provided? and @auth.basic? and @auth.credentials and @auth.credentials == ['admin', 'admin']
  end
end

get '/' do
  "Everybody can see this page"
end

get '/protected' do
  protected!
  "Welcome, authenticated client"
end



2.
http://www.highdots.com/forums/ruby-rails-talk/logging-out-rake-auth-basic-284054.html


LOGIN FORM (GET LOGIN METHOD)

<form method="post" action="/login">
<p><label>Username</label><input name="post[username]" /></p>
<p><label>Password</label><input name="post[password]" 
type="password"/></p>
<p><button type="submit">Login</button></p>
</form>


POST LOGIN METHOD

post '/login' do

if authenticate(params["post"]["username"], Digest::MD5.hexdigest(params["post"]["password"]))
    session[:user] = params["post"]["username"]
    flash[:notice] = "Login succeeded!"
    redirect '/admin'
else
    flash[:error] = "Login failed!"
    redirect '/login'
end

end


HELPER METHODS

# Authentication is hard-coded as there will only 1-3 users
def authenticate(username, password)

    if username == 'admin' and password == '[admin_password_in_MD5]'
        return true
    else
        return false
    end

end

# Protect pages
def login_required
    if session[:user]
        return true
    else
        redirect '/login'
        return false
    end
end

# Get the username of the logged in user
def current_user
    if session[:user]
        session[:user]
    end
end

# Verify if a user is logged in
def logged_in?
    !!session[:user]
end