Commit 165c219

@@ -5,6 +5,7 @@ require "bundler/inline"
 gemfile do
   source "https://rubygems.org"
 
+  gem "bcrypt", "~> 3.1"
   gem "declarative_policy", "~> 1.0"
   gem "erb", "~> 4.0"
   gem "globalid", "~> 1.0"
@@ -44,15 +45,29 @@ end
 
 module Authn
   class User
+    include ::BCrypt
+
     class << self
+      def all
+        @all ||= 10.times.map do |n|
+          new(
+            id: SecureRandom.uuid,
+            username: "username#{n}",
+            email: "username#{n}@example.org",
+            password_digest: password_digest = ::BCrypt::Password.create("password#{n}")
+          )
+        end
+      end
+
       def find_by_username(username)
-        User.new(id: SecureRandom.uuid, username: username, email: "#{username}@example.com")
+        all.find do |user|
+          user[:username] == username
+        end
       end
 
       def find_by_credentials(params = {})
         user = find_by_username(params["username"])
-        return user if user.valid_password?(params["password"])
-
+        user&.valid_password?(params["password"]) ? user : nil
       end
     end
 
@@ -60,27 +75,30 @@ module Authn
       @attributes = attributes
     end
 
+    def [](attribute)
+      @attributes.fetch(attribute.to_sym)
+    end
+
     def name_id_for(name_id_format)
       if name_id_format == Saml::Kit::Namespaces::EMAIL_ADDRESS
-        @attributes[:email]
+        self[:email]
       else
-        @attributes[:id]
+        self[:id]
       end
     end
 
     def create_access_token
-      ::Authz::JWT.new(sub: @attributes[:id], iat: Time.now.to_i)
+      ::Authz::JWT.new(sub: self[:id], iat: Time.now.to_i)
     end
 
     def assertion_attributes_for(request)
       {
-        email: @attributes[:email],
+        email: self[:email],
       }
     end
 
     def valid_password?(entered_password)
-      # TODO:: BCrypt hash secure compare
-      true
+      ::BCrypt::Password.new(self[:password_digest]) == entered_password
     end
   end