annotate src/lib/User.luan @ 11:3ed1e3f3a53a

use bbcode_to_html
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 30 Jun 2022 20:05:11 -0600
parents de0cbf515ef5
children 298c71e0c854
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local set_metatable = Luan.set_metatable or error()
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4 local range = Luan.range or error()
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5 local String = require "luan:String.luan"
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6 local sub_string = String.sub or error()
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7 local Table = require "luan:Table.luan"
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8 local concat = Table.concat or error()
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9 local Math = require "luan:Math.luan"
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10 local random = Math.random or error()
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11 local Time = require "luan:Time.luan"
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12 local time_now = Time.now or error()
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13 local Html = require "luan:Html.luan"
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14 local html_encode = Html.encode or error()
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15 local Lucene = require "luan:lucene/Lucene.luan"
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16 local lucene_quote = Lucene.quote or error()
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17 local Http = require "luan:http/Http.luan"
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18 local Db = require "site:/lib/Db.luan"
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19
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20
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21 local User = {}
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22
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23 local function from_doc(doc)
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24 doc.type == "user" or error "wrong type"
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25 return User.new {
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26 id = doc.id
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27 email = doc.user_email
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28 password = doc.password
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29 name = doc.user_name
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30 created = doc.created
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31 }
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32 end
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33
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34 local function to_doc(user)
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35 local email = user.email
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36 return {
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37 type = "user"
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38 id = user.id
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39 user_email = email
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40 password = user.password
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41 user_name = user.name
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42 created = user.created or time_now()
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43 }
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44 end
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45
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46 local metatable = {}
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47 function metatable.__index(user,key)
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48 if key == "name_html" then
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49 user.name_html = html_encode(user.name)
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50 return user.name_html
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51 end
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52 return nil
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53 end
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54
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55 function User.new(user)
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56
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57 function user.save()
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58 local doc = to_doc(user)
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59 Db.save(doc)
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60 user.id = doc.id
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61 end
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62
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63 set_metatable(user,metatable)
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64 return user
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65 end
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66
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67 function User.get_by_email(email)
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68 local doc = Db.get_document("user_email:"..lucene_quote(email))
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69 return doc and from_doc(doc)
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70 end
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71
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72 local function get_by_name(name)
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73 local doc = Db.get_document("user_name:"..lucene_quote(name))
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74 return doc and from_doc(doc)
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75 end
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76 User.get_by_name = get_by_name
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77
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78 function User.current()
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79 local name = Http.request.cookies.user
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80 local password = Http.request.cookies.password
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81 if name == nil or password == nil then
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82 return nil
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83 end
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84 local user = get_by_name(name)
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85 if user == nil or user.password ~= password then
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86 return nil
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87 end
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88 return user
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89 end
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90
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91 function User.current_required()
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92 local user = User.current()
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93 user or Http.response.send_redirect "/login.html"
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94 return user
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95 end
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96
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97 local password_chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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98 do
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99 local t = {}
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100 for i in range(1,#password_chars) do
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101 t[#t+1] = sub_string(password_chars,i,i)
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102 end
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103 password_chars = t
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104 end
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105
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106 local function new_password()
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107 local n = #password_chars
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108 local t = {}
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109 for _ in range(1,10) do
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110 t[#t+1] = password_chars[random(n)]
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111 end
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112 return concat(t)
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113 end
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114
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115 function User.get_or_create_by_email(email)
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116 local user = User.get_by_email(email)
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117 if user == nil then
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118 user = User.new{ email=email, password=new_password() }
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119 user.save()
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120 end
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121 return user
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122 end
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123
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124 return User