From 0f74795159ba65432aa1a6a25367dfdcffd4bb12 Mon Sep 17 00:00:00 2001
From: MrYummy <elemental428@gmail.com>
Date: Sat, 1 Jul 2017 04:48:52 +0200
Subject: Added basic hexfile reading that respects r/w perms

---
 app/assets/javascripts/app.js             |   2 +-
 app/assets/javascripts/application.js     |   3 +-
 app/assets/javascripts/editor.js          |   2 +-
 app/assets/javascripts/memory.js          |  19 +++++++++++
 app/assets/stylesheets/style.css.scss     |   9 ++++-
 app/controllers/.memory_controller.rb.swp | Bin 0 -> 12288 bytes
 app/controllers/memory_controller.rb      |  53 ++++++++++++++++++++++++++++++
 app/helpers/memory_helper.rb              |   2 ++
 app/models/user.rb                        |   2 +-
 app/views/forums/show.html.erb            |   2 +-
 app/views/layouts/application.html.erb    |   2 +-
 app/views/memory/index.html.erb           |   4 +++
 app/views/memory/table.html.erb           |  16 +++++++++
 app/views/statics/home.html.erb           |   2 +-
 app/views/users/index.html.erb            |   2 +-
 config/routes.rb                          |   9 +++++
 16 files changed, 120 insertions(+), 9 deletions(-)
 create mode 100644 app/assets/javascripts/memory.js
 create mode 100644 app/controllers/.memory_controller.rb.swp
 create mode 100644 app/controllers/memory_controller.rb
 create mode 100644 app/helpers/memory_helper.rb
 create mode 100644 app/views/memory/index.html.erb
 create mode 100644 app/views/memory/table.html.erb

diff --git a/app/assets/javascripts/app.js b/app/assets/javascripts/app.js
index dd7f08f..6f0ac24 100644
--- a/app/assets/javascripts/app.js
+++ b/app/assets/javascripts/app.js
@@ -51,4 +51,4 @@ $(function(){
       return time + " " + unit + tail;
     }
   });
-});
\ No newline at end of file
+});
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 3b1499f..193617b 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -14,4 +14,5 @@
 //= require app
 //= require editor
 //= require highlight
-//= require jquery-textcomplete
\ No newline at end of file
+//= require jquery-textcomplete
+//= require memory
diff --git a/app/assets/javascripts/editor.js b/app/assets/javascripts/editor.js
index 4b35aea..4a42de5 100644
--- a/app/assets/javascripts/editor.js
+++ b/app/assets/javascripts/editor.js
@@ -89,4 +89,4 @@ $(function() {
     debounce: 300
   });
 
-});
\ No newline at end of file
+});
diff --git a/app/assets/javascripts/memory.js b/app/assets/javascripts/memory.js
new file mode 100644
index 0000000..4dac5a0
--- /dev/null
+++ b/app/assets/javascripts/memory.js
@@ -0,0 +1,19 @@
+$(function() {
+  var data = [];
+  $('td').keydown(function() {
+    data.push(this.id, $(this).html().substr(0, 2)); //position, value
+  })
+  $('td').blur(function() {
+    if ((id_i = data.indexOf(this.id) != -1) && data[id_i+1] != $(this).html().substr(0, 2)) {
+      var int_id = this.id.split("-")[1]
+      $.post("/memory/update_memory?project="+$(this).closest("table").data("project")+"&file="+Math.floor((int_id/2048)+1)+"&mem_id="+int_id%2048+"&value="+$(this).html().substr(0, 2));
+      data.splice(id_i, 2);
+    }
+  });
+  $('select').change(function() {
+    $.get("/memory/table?project="+$(this).data("project")+"&file="+$(this).find("option:selected").text()+".hex")
+  });
+});
+    
+    
+  
diff --git a/app/assets/stylesheets/style.css.scss b/app/assets/stylesheets/style.css.scss
index 6de5aa2..e8f06ab 100644
--- a/app/assets/stylesheets/style.css.scss
+++ b/app/assets/stylesheets/style.css.scss
@@ -1026,4 +1026,11 @@ nav.pagination {
   padding: 0.1em 0.2em;
   border-radius: 0.2em;
   text-shadow: none;
-}
\ No newline at end of file
+}
+.memory-table {
+  width: 870px;
+  margin: auto;
+  th, td {
+    border: 1px solid black;
+  }
+}
diff --git a/app/controllers/.memory_controller.rb.swp b/app/controllers/.memory_controller.rb.swp
new file mode 100644
index 0000000..18f0137
Binary files /dev/null and b/app/controllers/.memory_controller.rb.swp differ
diff --git a/app/controllers/memory_controller.rb b/app/controllers/memory_controller.rb
new file mode 100644
index 0000000..6d5947e
--- /dev/null
+++ b/app/controllers/memory_controller.rb
@@ -0,0 +1,53 @@
+class MemoryController < ApplicationController
+
+  before_filter :logged_in
+
+  def index
+    current_uuid = current_user.uuid.gsub("-", "")
+    Dir.chdir("/etc/minecraft/redstoner/plugins/JavaUtils/memory/players/#{current_uuid}")
+    psjson = JSON.parse(File.read("projects.json"))
+    @projects = psjson["owns"] + psjson["read"] + psjson["write"]
+    @project_names = @projects.collect{|p| (data = JSON.parse(File.read(File.expand_path("../..")+"/projects/#{p}/project.json")))["name"] + " | #{"own" if data["owner"] == current_uuid}#{"write" if data["write"].include? current_uuid}#{"read" if data["read"].include? current_uuid}"}
+
+  end
+
+  def list
+    render :index
+  end
+
+  def table
+    Dir.chdir("/etc/minecraft/redstoner/plugins/JavaUtils/memory/projects/#{params[:project]}")
+    @data = []
+    Dir.glob('*').reverse.each do |f|
+      File.open(Dir.pwd+"/#{f}") do |file|
+        @data.concat(file.read.unpack("C*").map{|h| h.to_s(16)})
+        if JSON.parse((jf = File.open(Dir.pwd+"/project.json")).read)["read"].include? current_user.uuid.gsub("-","")
+          @can_edit = false
+        else
+          @can_edit = true
+        end
+        jf.close
+      end
+    end
+  end
+
+  def update_memory
+    Dir.chdir("/etc/minecraft/redstoner/plugins/JavaUtils/memory/projects/#{params[:project]}")
+    new_text = ""
+    File.open("#{params[:file]}.hex"){|f| new_text = f.read.unpack("C*").collect{|h| h.to_s(16)}}
+    new_text[params[:mem_id].to_i] = params[:value]
+    File.open("#{params[:file]}.hex", "w") do |f|
+      f.write((new_text.collect{|h| h.to_s.to_i(16)}).pack("C*").force_encoding("UTF-8"))
+    end
+    render nothing: true
+  end
+
+  private
+
+  def logged_in
+    unless current_user
+      flash[:alert] = "Please log in before viewing memory files."
+      redirect_to home_statics_path
+    end
+  end
+end
diff --git a/app/helpers/memory_helper.rb b/app/helpers/memory_helper.rb
new file mode 100644
index 0000000..cba154d
--- /dev/null
+++ b/app/helpers/memory_helper.rb
@@ -0,0 +1,2 @@
+module MemoryHelper
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index c422e28..9ddd4f0 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -173,4 +173,4 @@ class User < ActiveRecord::Base
   def set_email_token
     self.email_token ||= SecureRandom.hex(16)
   end
-end
\ No newline at end of file
+end
diff --git a/app/views/forums/show.html.erb b/app/views/forums/show.html.erb
index 60f3185..6e8ea2f 100644
--- a/app/views/forums/show.html.erb
+++ b/app/views/forums/show.html.erb
@@ -51,4 +51,4 @@
     </div>
   <% end %>
   <%= paginate @threads %>
-</div>
\ No newline at end of file
+</div>
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index a0a5f83..26d6c67 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -25,4 +25,4 @@
   </div>
   <%= render partial: "/layouts/footer" %>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/app/views/memory/index.html.erb b/app/views/memory/index.html.erb
new file mode 100644
index 0000000..9348db0
--- /dev/null
+++ b/app/views/memory/index.html.erb
@@ -0,0 +1,4 @@
+<%= form_tag "memory/table", method: :get do %>
+  <%= select_tag "project", options_for_select(@projects.collect.with_index{|p, i| [@project_names[i], p]}) %>
+  <%= submit_tag "View Table", name: nil %>
+<% end %>
diff --git a/app/views/memory/table.html.erb b/app/views/memory/table.html.erb
new file mode 100644
index 0000000..03f1ef2
--- /dev/null
+++ b/app/views/memory/table.html.erb
@@ -0,0 +1,16 @@
+<table class="memory-table", data-project="<%=params[:project]%>">
+  <tr>
+    <% ["Address","0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"].each do |i| %>
+      <th><b><%=i%></b></th>
+    <% end %>
+  </tr>
+  <% @data.in_groups_of(16).each_with_index do |row, rindex| %>
+    <tr>
+      <td><b><%=(rindex*16).to_s(16).upcase.rjust(6, "0")%></b></td>
+      <% row.each_with_index do |hex, hindex| %>
+        <td contenteditable="<%=@can_edit%>" id="memory-<%=(16*rindex)+hindex%>"><%=hex.to_s.upcase.rjust(2, "0")%></td>
+      <% end %>
+    </tr>
+  <% end %>
+</table>
+<br>
diff --git a/app/views/statics/home.html.erb b/app/views/statics/home.html.erb
index a5f3242..6a51abd 100644
--- a/app/views/statics/home.html.erb
+++ b/app/views/statics/home.html.erb
@@ -30,4 +30,4 @@
   <span>for those who just want to mine some ore</span>
   <span>and we have a freebuild world for large projects.</span>
 </p>
-<p>Join us now!</p>
\ No newline at end of file
+<p>Join us now!</p>
diff --git a/app/views/users/index.html.erb b/app/views/users/index.html.erb
index 883ffb0..4f1d12d 100644
--- a/app/views/users/index.html.erb
+++ b/app/views/users/index.html.erb
@@ -19,4 +19,4 @@
     </div>
   <% end %>
   <%= paginate @users %>
-</div>
\ No newline at end of file
+</div>
diff --git a/config/routes.rb b/config/routes.rb
index 584c94f..a200838 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -29,6 +29,15 @@ Redstoner::Application.routes.draw do
     end
   end
 
+  resources :memory do
+    collection do
+      get 'list'
+      get 'table'
+      post 'update_memory'
+    end
+  end
+
+
   resources :forumgroups,  path: '/forums/groups'
   resources :forums,       path: '/forums'
   resources :forumthreads, path: '/forums/threads' do
-- 
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