Adding direct door access commands and interface

app/controllers/application_controller.rb

@@ -7,6 +7,7 @@ class ApplicationController < ActionController::Base
     else
       flash[:alert] = "Nothing to see here!"
     end
+    Rails.logger.warn "----------\r\nWARNING: AccessDenied Exception: #{exception.inspect} User: #{current_user.inspect}\r\n----------"
     redirect_to root_url
   end
 

app/controllers/space_api_controller.rb

@@ -1,6 +1,8 @@
 class SpaceApiController < ApplicationController
-  authorize_resource :except => :index
-  before_filter :authenticate_user!, :except => :index
+  # Individually remove authorizing stuff since there is no SpaceApi model
+  authorize_resource :except => [:index, :access, :access_post]
+  # User auth here happens via params, instead of form.
+  before_filter :authenticate_user!, :except => [:index, :access, :access_post]
 
   def index
     @json = JSON.parse(Setting.space_api_json_template)
@@ -21,11 +23,74 @@ class SpaceApiController < ApplicationController
     respond_to do |format|
       format.html
       format.json { 
-        response.headers['Access-Control-Allow-Origin'] = '*'
         response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
         render :json => @json
       }
     end
   end
 
+  def access
+    @status = DoorLog.show_status
+
+    # Nothing, just render form
+    unless user_signed_in?
+      @output =  "Invalid email or password. Please login with your Members DB email and password below."
+    else
+      unless can? :access_doors_remotely, :door_access
+        @output =  "Sorry, your account isn't able to control doors remotely."
+      end
+    end
+  end
+
+  def access_post
+    @output = ""
+
+    #if params['cmd'] == "check-login" then
+    #  if users[params['user']] && users[params['user']]['pass'].to_s == (Digest::SHA2.new(bitlen=512) << params['pass']).to_s then
+    #    @output +=  '{ "login": "okay" }'
+    #  else
+    #    @output +=  '{ "login": "fail" }'
+    #  end
+    # 
+    #  exit
+    #end
+    
+    # Stop unless signed in already, OR if the supplied user/pass params are good.
+    unless current_user || check_auth(params['user'],params['pass'])
+      @output +=  "Invalid email or password."
+    else
+      # Stop unless the user can access the door system
+      unless can? :access_doors_remotely, :door_access
+        @output += "Sorry, your account isn't able to control doors remotely. Ask an admin if this is incorrect."
+        Rails.logger.warn "----------\r\nWARNING: DOOR ACCESS ATTEMPT DENIED. USER #{current_user.inspect}\r\n----------"
+      else
+        # Stop unless we've got a command to run
+        unless params['cmd']
+          @output += "No command specified."
+        else 
+          # Log the access
+          Rails.logger.info "Door access: user #{current_user.inspect}"
+          DoorLog.create!({:key => "rem_"+DoorLog.parse_command(params['cmd'])[:url_param], :data => current_user.id})
+
+          # Execute the access
+          @output += DoorLog.execute_command(params['cmd'])
+        end 
+      end
+    end
+
+    # Render the form again
+    render :access
+  end
+
+  def check_auth(email,password)
+    resource = User.find_by_email(email)
+    if resource && resource.valid_password?(password)
+      resource.remember_me = true
+      sign_in :user, resource
+      return true
+    else
+      return false
+    end
+  end
+
 end

app/models/ability.rb

@@ -17,6 +17,10 @@ class Ability
       can [:read,:new_member_report], User, :id => user.id #TODO: why can users update themselves? Maybe because Devise doesn't check users/edit?
       can :read, UserCertification, :user_id => user.id
 
+      if user.card_access_enabled
+        can :access_doors_remotely, :door_access
+      end
+
       # Instructors can manage certs and see users
       if user.instructor? 
         can :manage, Certification
@@ -39,8 +43,6 @@ class Ability
 
       # Admins can manage all
       if user.admin?
-Rails.logger.info user.inspect
-Rails.logger.info "IS ADMIN"
         can :manage, :all
       end
 

app/models/door_log.rb

@@ -2,6 +2,90 @@ class DoorLog < ActiveRecord::Base
   attr_accessible :data, :key
   require 'open-uri'
 
+  def self.execute_command(command)
+    output = ""
+    # load config values
+    door_access_url = APP_CONFIG['door_access_url']
+    door_access_password = APP_CONFIG['door_access_password']
+
+    #login
+    source = open("#{door_access_url}?e=#{door_access_password}").read
+    results = source.scan(/ok/)
+
+    #only continue if we've got an OK login
+    if(results.size > 0) then
+      # Parse the command and result
+      parsing = parse_command(command)
+      output += parsing[:output]
+      url_param = parsing[:url_param]
+
+      # Execute the command
+      open("#{door_access_url}?#{url_param}")
+
+      self.download_status # Update the status cache
+    else
+      output +=  'Failed to connect to door system.'
+    end
+
+    #logout
+    open("#{door_access_url}?e=0000")
+
+    return output
+  end
+
+  def self.parse_command(command)
+    output = ""
+    url_param = ""
+      # @commands = [
+      #   ["Unlock all doors","unlock"],
+      #   ["Unlock Front door","unlock-front"],
+      #   ["Unlock Rear door","unlock-rear"],
+      #   ["Lock all doors","lock"],
+      #   ["Lock Front door","lock-front"],
+      #   ["Lock Rear door","lock-rear"],
+      #   ["Open Front door","open-front"],
+      #   ["Open Rear door","open-rear"],
+      #   ["Arm alarm","arm"],
+      #   ["Disarm alarm","disarm"]
+      # ]
+    case command
+      when "open-front"
+        output +=  "Front door opened."
+        url_param = "o1"
+      when "open-rear"
+        output +=  "Rear door opened."
+        url_param = "o2"
+      when "u", "unlock"
+        output +=  "Doors unlocked, remember to re-lock them."
+        url_param = "u"
+      when "u1", "unlock-front"
+        output +=  "Front Door unlocked, remember to re-lock it."
+        url_param = "u=1"
+      when "u2", "unlock-rear"
+        output +=  "Rear Door unlocked, remember to re-lock it."
+        url_param = "u=2"
+      when "lock", "l"
+        output +=  "Doors locked."
+        url_param = "l"
+      when "lock-front", "l1"
+        output +=  "Front Door locked."
+        url_param = "l=1"
+      when "lock-rear", "l2"
+        output +=  "Rear Door locked."
+        url_param = "l=2"
+      when "arm"
+        output +=  "Armed."
+        url_param = "2"
+      when "disarm"
+        output +=  "Disarmed."
+        url_param = "1"
+      else
+        output +=  "Fail. Don't be a naughty user!"
+        url_param = "9" # Using 9 because it's just status, no harm done
+    end
+    return {:output => output, :url_param => url_param}
+  end
+
   def self.show_status
     door_logs = DoorLog.where(key: ["door_1_locked","door_2_locked"]).order('created_at DESC').take(2)
     door_1_locked = parse_locked_status(door_logs, "door_1_locked")

app/models/user.rb

@@ -56,6 +56,11 @@ class User < ActiveRecord::Base
     user_to_absorb.destroy
   end
 
+  def card_access_enabled
+    # If the user has at least one card with permission level 1, they have access
+    self.cards.where(:card_permissions => 1).count > 0
+  end
+
   def name_with_email_and_visibility
     if hidden then
       "#{name} (#{email}) HIDDEN"

app/views/cards/index.html.erb

@@ -1,8 +1,10 @@
 <h1>Access Cards</h1>
 
-<%= link_to 'New Card', new_card_path if can? :create, Card %>
-<%= link_to 'Upload all cards', upload_all_path if can? :upload_all, Card %>
-<%= link_to 'Door Logs', door_logs_path if can? :read, DoorLog %>
+<%= link_to 'New Card', new_card_path, :class => "btn" if can? :create, Card %>
+<%= link_to 'Upload all cards', upload_all_path, :class => "btn" if can? :upload_all, Card %>
+<%= link_to 'Door Logs', door_logs_path, :class => "btn" if can? :read, DoorLog %>
+<%= link_to 'Space API', space_api_path, :class => "btn" %>
+<%= link_to 'Remote Door Access', space_api_access_path, :class => "btn" if can? :access_doors_remotely, :door_access %>
 <p>
 <b>Most Active Card Last Month:</b> <%= @most_active_card.name unless @most_active_card.blank? %> (<%= @most_active_card.accesses_this_week unless @most_active_card.blank? %> days)
 </p>

app/views/door_logs/index.html.erb

@@ -8,6 +8,17 @@ Guide to Card Number storage:
 cardnum = (R+(r*32767)), convert to hex
 
 Guide to log keys and data:
+
+Commands:
+ * rem_ = remote command issues via web UI (#=user id)
+Statuses:
+ * armed = current status of alarm arming
+ * activated = current status of alarm ringing
+ * alarm_2 = current status of alarm sensor 2
+ * alarm_3 = current status of alarm sensor 3
+ * door_1_locked = status of door 1
+ * door_2_locked = status of door 2
+Log Entries:
  * A=alarm armed (# level)
  * a=added user (# usernum)
  * C=keypad command (# command)

app/views/home/index.html.erb

@@ -47,6 +47,9 @@
 <td>
 
 <h2>Member Resources</h2>
+<% if can? :access_doors_remotely, :door_access %>
+<ul><li><%= link_to "Remote Door Access", space_api_access_path %></li></ul>
+<% end %>
 <%= simple_format Setting.member_resources_inset %>
 
 </td>

app/views/layouts/application.html.erb

@@ -8,7 +8,7 @@
 </head>
 <body>
   <div id="header">
-    <a href="/" title="Home"><img src="/assets/logo.png" id="logo" /></a>
+    <a id="home_nav_link" href="/" title="Home"><img src="/assets/logo.png" id="logo" /></a>
     <%= link_to 'People', users_path if can? :read, User %>
     <%= link_to 'Access Cards', cards_path if can? :manage, Card %>
     <% if can? :create, UserCertification %>

app/views/space_api/access.html.erb

@@ -0,0 +1,114 @@
+<h2 id="title">Door Control System</h2>
+<% if @output %>
+  <p class="notice">
+    <%= raw @output %>
+  </p>
+  <hr/>
+<% end %>
+<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+<style type="text/css">
+  #status, #status span { display: inline-block; text-align: center; font-weight: bold; border-radius: 5px; }
+  #status { width: 400px;}
+  #status span { border: 1px solid black; width: 180px; padding: 5px; }
+  #status span input { width: 100%; margin: 0.2em 0;}
+  @media only screen and (max-width: 480px){
+    #header a:not(#home_nav_link) { display: none; }
+    #title {
+      position: absolute;
+      top: 0;
+      left: 45px;
+    }
+    #status { width: 100%; }
+    #status span { width: 45%; border: none; padding: 1%; margin: 1em 0; }
+    #status span input { font-size: 1.8em; height: 2em;}
+  }
+  .open { background-color: green; }
+  .closed { background-color: red; }
+  .open input.unlock, .closed input.lock  { background: #bbb; }
+</style>
+<script type="text/javascript">
+  function updateDoorStatus(){
+    // grab status from space api
+    $.get( "<%= space_api_path(:format => :json) %>", function( data ) {
+      switch(data.status){
+        case "doors_open=both":
+          $( "#status" ).attr("class","open");
+          $( "#door_1_status" ).attr("class","open");
+          $( "#door_2_status" ).attr("class","open");
+          break;
+        case "doors_open=door1":
+          $( "#status" ).attr("class","open");
+          $( "#door_1_status" ).attr("class","open");
+          $( "#door_2_status" ).attr("class","closed");
+          break;
+        case "doors_open=door2":
+          $( "#status" ).attr("class","open");
+          $( "#door_1_status" ).attr("class","closed");
+          $( "#door_2_status" ).attr("class","open");
+          break;
+        case "doors_open=none":
+          $( "#status" ).attr("class","closed");
+          $( "#door_1_status" ).attr("class","closed");
+          $( "#door_2_status" ).attr("class","closed");
+          break;
+      }
+    });
+  }
+  function updateMacStatus(){
+    $.get( "/macs.json", function( data ) {
+      $("#mac_status").text(data.map(function(item){
+        return item.name;
+      }).join(", "));
+    });
+  }
+  // run once
+  updateDoorStatus();
+  updateMacStatus();
+  // and again every few seconds
+  setInterval(updateDoorStatus, 10000);
+  setInterval(updateDoorStatus, 60000);
+</script>
+<%= form_tag do %>
+  <% unless user_signed_in? %>
+  <p>
+    <%= label_tag :user, "Email Address" %><br/>
+    <%= text_field_tag :user %>
+  </p>
+  <p>
+    <%= label_tag :pass, "Password" %><br/>
+    <%= password_field_tag :pass %>
+  </p>
+  <% end %>
+  <span id="status">
+    <div>
+      <span id="overall_status">
+        Both<br/>
+        <input type="submit" name="cmd" value="unlock" class="btn unlock">
+        <input type="submit" name="cmd" value="lock" class="btn lock">
+      </span>
+    </div>
+    <span id="door_1_status">
+      Door 1<br/>
+      <input type="submit" name="cmd" value="open-front" class="btn unlock">
+      <input type="submit" name="cmd" value="unlock-front" class="btn unlock">
+      <input type="submit" name="cmd" value="lock-front" class="btn lock">
+    </span>
+    <span id="door_2_status">
+      Door 2<br/>
+      <input type="submit" name="cmd" value="open-rear" class="btn unlock">
+      <input type="submit" name="cmd" value="unlock-rear" class="btn unlock">
+      <input type="submit" name="cmd" value="lock-rear" class="btn lock">
+    </span>
+  </span>
+<!--
+  <h3>Alarm</h3>
+  <p>
+      <input type="submit" name="cmd" value="arm" class="btn">
+      <input type="submit" name="cmd" value="disarm" class="btn">
+  </p>
+-->
+<% end %>
+
+<h3>Who's here?</h3>
+<p id="mac_status">
+</p>

config/application.rb

@@ -37,7 +37,7 @@ module Dooraccess
     config.encoding = "utf-8"
 
     # Configure sensitive parameters which will be filtered from the log file.
-    config.filter_parameters += [:password]
+    config.filter_parameters += [:password, :pass]
 
     # Use SQL instead of Active Record's schema dumper when creating the database.
     # This is necessary if your schema can't be completely dumped by the schema dumper,

config/initializers/devise.rb

@@ -103,7 +103,7 @@ Devise.setup do |config|
 
   # ==> Configuration for :rememberable
   # The time the user will be remembered without asking for credentials again.
-  # config.remember_for = 2.weeks
+  config.remember_for = 1.month
 
   # If true, extends the user's remember period when remembered via cookie.
   # config.extend_remember_period = false

config/routes.rb

@@ -46,6 +46,8 @@ Dooraccess::Application.routes.draw do
   match 'cards/:id/upload' => 'cards#upload', :as => :upload
 
   match 'space_api' => 'space_api#index', :as => :space_api
+  match 'space_api/access' => 'space_api#access', :via => :get, :as => :space_api_access
+  match 'space_api/access' => 'space_api#access_post', :via => :post
 
   match 'door_logs' => 'door_logs#index', :as => :door_logs
   match 'door_logs/download' => 'door_logs#download', :as => :download