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annotate pkg/models/user.go @ 1017:a244b18cb916

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Added GNU Affero General Public License. Adjusted the headers of the Go files to be AGPLv3.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 23 Oct 2018 18:15:14 +0200
parents 756f3fc62da6
children f1c3fe8b79f5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1017
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2018 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13 // * Tom Gottfried <tom.gottfried@intevation.de>
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14
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15 package models
287
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16
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17 import (
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18 "database/sql/driver"
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19 "encoding/json"
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20 "errors"
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21 "regexp"
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22 "strings"
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23 )
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24
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25 type (
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26 Email string
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27 Country string
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28 Role string
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29 UserName string
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30
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31 BoundingBox struct {
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32 X1 float64 `json:"x1"`
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33 Y1 float64 `json:"y1"`
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34 X2 float64 `json:"x2"`
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35 Y2 float64 `json:"y2"`
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36 }
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37
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38 User struct {
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39 User UserName `json:"user"`
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40 Role Role `json:"role"`
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41 Password string `json:"password,omitempty"`
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42 Email Email `json:"email"`
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43 Country Country `json:"country"`
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44 Extent *BoundingBox `json:"extent"`
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45 }
302
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46
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47 PWResetUser struct {
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48 User string `json:"user"`
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49 }
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50 )
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51
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52 var (
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53 // https://stackoverflow.com/questions/201323/how-to-validate-an-email-address-using-a-regular-expression
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54 emailRe = regexp.MustCompile(
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55 `(?:[a-z0-9!#$%&'*+/=?^_` + "`" +
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56 `{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_` + "`" +
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57 `{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]` +
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58 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")` +
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59 `@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?` +
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60 `|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}` +
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61 `(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]` +
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62 `:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]` +
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63 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])`)
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64
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65 errNoEmailAddress = errors.New("Not a valid email address")
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66 )
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67
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68 func (e *Email) UnmarshalJSON(data []byte) error {
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69 var s string
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70 if err := json.Unmarshal(data, &s); err != nil {
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71 return err
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72 }
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73 if !emailRe.MatchString(s) {
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74 return errNoEmailAddress
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75 }
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76 *e = Email(s)
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77 return nil
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78 }
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79
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80 func (e Email) Value() (driver.Value, error) {
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81 return string(e), nil
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82 }
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83
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84 func (e *Email) Scan(src interface{}) (err error) {
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85 if s, ok := src.(string); ok {
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86 *e = Email(s)
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87 } else {
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88 err = errNoString
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89 }
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90 return
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91 }
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92
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93 var errNoValidUser = errors.New("Not a valid user")
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94
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95 func (u UserName) IsValid() bool {
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96 return u != ""
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97 }
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98
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99 func (u *UserName) UnmarshalJSON(data []byte) error {
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100 var s string
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101 if err := json.Unmarshal(data, &s); err != nil {
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102 return err
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103 }
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104 if user := UserName(s); user.IsValid() {
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105 *u = user
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106 return nil
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107 }
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108 return errNoValidUser
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109 }
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110
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111 func (u *UserName) Scan(src interface{}) (err error) {
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112 if s, ok := src.(string); ok {
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113 *u = UserName(s)
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114 } else {
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115 err = errNoString
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116 }
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117 return
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118 }
c70ddc6eb168 Don't allow user names to contain any of the following characters \"':;
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119
287
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120 var (
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121 validCountries = []string{
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122 "AT", "BG", "DE", "HU", "HR",
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123 "MD", "RO", "RS", "SK", "UA",
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124 }
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125 errNoValidCountry = errors.New("Not a valid country")
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126 )
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127
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128 func (c *Country) UnmarshalJSON(data []byte) error {
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129 var s string
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130 if err := json.Unmarshal(data, &s); err != nil {
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131 return err
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132 }
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133 s = strings.ToUpper(s)
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134 for _, v := range validCountries {
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135 if v == s {
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136 *c = Country(v)
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137 return nil
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138 }
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139 }
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140 return errNoValidCountry
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141 }
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142
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143 func (c Country) Value() (driver.Value, error) {
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144 return string(c), nil
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145 }
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146
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147 func (c *Country) Scan(src interface{}) (err error) {
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148 if s, ok := src.(string); ok {
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149 *c = Country(s)
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150 } else {
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151 err = errNoString
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152 }
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153 return
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154 }
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155
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156 var (
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157 validRoles = []string{
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158 "waterway_user",
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159 "waterway_admin",
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160 "sys_admin",
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161 }
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162 errNoValidRole = errors.New("Not a valid role")
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163 )
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164
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165 func (r Role) Value() (driver.Value, error) {
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166 return string(r), nil
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167 }
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168
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169 func (r *Role) Scan(src interface{}) (err error) {
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170 if s, ok := src.(string); ok {
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171 *r = Role(s)
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172 } else {
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173 err = errNoString
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174 }
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175 return
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176 }
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177
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178 func (r *Role) UnmarshalJSON(data []byte) error {
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179 var s string
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180 if err := json.Unmarshal(data, &s); err != nil {
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181 return err
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182 }
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183 s = strings.ToLower(s)
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184 for _, v := range validRoles {
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185 if v == s {
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186 *r = Role(v)
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187 return nil
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188 }
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189 }
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190 return errNoValidRole
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191 }