Mercurial > zeropaste

annotate app/controllers/pastes_controller.rb @ 321:fec39456dcbe

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Better request format checker. Didn't quite work when using curl.
author edogawaconan <me@myconan.net>
date Sun, 06 Apr 2014 03:20:10 +0900
parents 612bc7c32324
children 430dadffd91e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 class PastesController < ApplicationController
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2 before_action :lowercase_path, :only => :show
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4 # GET /1
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5 # GET /1.txt
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6 def show
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7 @paste = Paste.safe_find(params[:id])
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8 head :not_found and return unless @paste
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10 respond_to do |format|
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11 format.html { cache }
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12 format.txt { cache }
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13 end
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14 end
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16 # GET /
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17 def new
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18 @paste = Paste.new
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19 @paste.set_paste_key
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20 @paste.paste = Paste.safe_find(params[:base]).try(:paste)
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22 respond_to do |format|
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23 format.html # new.html.erb
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24 end
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25 end
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27 # POST /
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28 # POST /pastes.json
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29 # POST /pastes.txt
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30 def create
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31 @paste = Paste.new(paste_params.merge(ip: request.remote_ip))
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33 begin
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34 respond_to do |format|
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35 if @paste.save
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36 @fresh = true
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37 format.html { redirect_to @paste, :notice => 'Paste was successfully created.' }
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38 format.json { render :json => @paste, :status => :created, :location => @paste }
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39 else
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40 flash.now[:alert] = @paste.errors.full_messages.to_sentence
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41 format.html { render :action => "new" }
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42 format.json { render :json => @paste.errors, :status => :unprocessable_entity }
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43 end
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44 format.txt
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45 end
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46 rescue ActiveRecord::RecordNotUnique
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47 @paste = Paste.where(:ip => @paste.ip, :paste_hash => @paste.paste_hash).first
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48 respond_to do |format|
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49 format.html { redirect_to paste_path(@paste) }
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50 format.json { render :json => @paste }
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51 format.txt
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52 end
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53 end
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54 end
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56 def destroy
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57 @paste = Paste.safe_find(params[:id])
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58 if @paste.safe_destroy(params[:paste][:key])
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59 uncache
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60 redirect_to root_path, :notice => "Paste ##{params[:id]} deleted"
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61 else
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62 flash.now[:alert] = @paste.errors.full_messages.to_sentence
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63 render :show
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64 end
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65 end
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67 private
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69 def lowercase_path
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70 correct_path = request.fullpath.downcase
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71 redirect_to correct_path, :status => :moved_permanently unless
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72 correct_path == request.fullpath
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73 end
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75 def cache_key(format = request.format.symbol)
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76 ext = case format
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77 when :txt
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78 ".txt"
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79 when :html, nil
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80 ""
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81 else
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82 ".unknown"
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83 end
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84 "pastes:#{@paste.to_param}#{ext}"
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85 end
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86
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87 def cache
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88 Rails.cache.fetch cache_key, :raw => true do
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89 render_to_string :show
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90 end
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91 end
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93 def uncache
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94 [:txt, :html, :unknown].each do |format|
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95 Rails.cache.delete cache_key(format)
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96 end
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97 end
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98
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99 def paste_params
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100 params.require(:paste).permit(:paste, :paste_gzip, :paste_gzip_base64, :is_private, :key)
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101 end
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102 end