Erste Version

.gitignore

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+*.sw?

Gemfile

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+# A sample Gemfile
+source "http://rubygems.org"
+
+# gem "rails"
+
+gem "sinatra"
+gem "sinatra-reloader"
+gem "dm-core"
+gem "dm-migrations"
+gem "dm-sqlite-adapter"

Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    addressable (2.2.5)
+    backports (2.1.0)
+    data_objects (0.10.5)
+      addressable (~> 2.1)
+    dm-core (1.1.0)
+      addressable (~> 2.2.4)
+    dm-do-adapter (1.1.0)
+      data_objects (~> 0.10.2)
+      dm-core (~> 1.1.0)
+    dm-migrations (1.1.0)
+      dm-core (~> 1.1.0)
+    dm-sqlite-adapter (1.1.0)
+      dm-do-adapter (~> 1.1.0)
+      do_sqlite3 (~> 0.10.2)
+    do_sqlite3 (0.10.5)
+      data_objects (= 0.10.5)
+    monkey-lib (0.5.4)
+      backports
+    rack (1.2.2)
+    sinatra (1.2.6)
+      rack (~> 1.1)
+      tilt (< 2.0, >= 1.2.2)
+    sinatra-advanced-routes (0.5.1)
+      monkey-lib (~> 0.5.0)
+      sinatra (~> 1.0)
+      sinatra-sugar (~> 0.5.0)
+    sinatra-reloader (0.5.0)
+      sinatra (~> 1.0)
+      sinatra-advanced-routes (~> 0.5.0)
+    sinatra-sugar (0.5.1)
+      monkey-lib (~> 0.5.0)
+      sinatra (~> 1.0)
+    tilt (1.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  dm-core
+  dm-migrations
+  dm-sqlite-adapter
+  sinatra
+  sinatra-reloader

app.rb

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+require "digest/sha1"
+
+require "./helpers/login.rb"
+require "./models/user.rb"
+require "./config/db.rb"

config.ru

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+require "rubygems"
+require "bundler"
+
+Bundler.require
+require "sinatra/reloader" if development?
+
+
+require "./app.rb"
+
+run Sinatra::Application

config/db.rb

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+DataMapper.setup(:default, "sqlite3:db/data.db")
+DataMapper.auto_upgrade!

helpers/login.rb

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+helpers do  
+
+  def logged_in?
+    session[:user_id]
+  end
+
+  def log_in(params)
+    user = User.authenticate(params)
+    user ? session[:user_id] = user.id : false
+  end
+
+  def log_out
+    session[:user_id] = nil
+  end
+
+  def current_user
+    if logged_in?
+      User.get(session[:user_id])
+    else
+      nil
+    end
+  end
+
+end

models/user.rb

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+class User
+  include DataMapper::Resource
+
+  property :id, Serial
+  property :email, String
+  property :password_hash, String
+
+  def self.authenticate(params)
+    User.first(:email => params[:email], :password_hash => encode(params[:password]))
+  end
+
+  def password=(pw)
+    self.password_hash = encode(pw)
+  end
+
+  private
+
+  def self.encode(str)
+    Digest::SHA1.hexdigest(str)
+  end
+end