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before do
unless %w(/login /signup).include?(request.path_info) or
request.path_info =~ /\.css$/ or
@logged_in_user = User.find_by_id(session["user_id"])
redirect '/login', 303
end
puts "logged in as:#{@logged_in_user.username}" if @logged_in_user
end
get '/login' do
erb :login
end
post '/login' do
if user = User.find_by_username(params[:username]) and
User.hash_pw(user.salt, params[:password]) == user.hashed_password
session["user_id"] = user.id
redirect '/'
else
@login_error = "Incorrect username or password"
erb :login
end
end
post '/signup' do
if params[:username] !~ /^\w+$/
@signup_error = "Username must only contain letters, numbers and underscores."
elsif redis.key?("user:username:#{params[:username]}")
@signup_error = "That username is taken."
elsif params[:username].length < 4
@signup_error = "Username must be at least 4 characters"
elsif params[:password].length < 6
@signup_error = "Password must be at least 6 characters!"
elsif params[:password] != params[:password_confirmation]
@signup_error = "Passwords do not match!"
end
if @signup_error
erb :login
else
user = User.create(params[:username], params[:password])
session["user_id"] = user.id
redirect "/"
end
end
get '/logout' do
session["user_id"] = nil
redirect '/login'
end
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