Mercurial > gemma

annotate pkg/models/user.go @ 1901:71b722809b2b

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Stretch import: Added stub.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 18 Jan 2019 15:52:51 +0100
parents f1c3fe8b79f5
children 4847ac70103a
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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
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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 is a string formed by a valid EMail address.
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27 Email string
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28 // Role is a string with a valid gemma role.
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29 Role string
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30 // UserName is a string forming a valid user name.
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31 UserName string
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32
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33 // BoundingBox is a spatial bounding box of user's
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34 // responsibility area.
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35 BoundingBox struct {
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36 X1 float64 `json:"x1"`
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37 Y1 float64 `json:"y1"`
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38 X2 float64 `json:"x2"`
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39 Y2 float64 `json:"y2"`
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40 }
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41
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42 // User is a serialized JSON form of user data.
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43 User struct {
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44 User UserName `json:"user"`
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45 Role Role `json:"role"`
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46 Password string `json:"password,omitempty"`
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47 Email Email `json:"email"`
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48 Country Country `json:"country"`
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49 Extent *BoundingBox `json:"extent"`
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50 }
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51
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52 // PWResetUser is send to request a password reset for a user.
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53 PWResetUser struct {
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54 User string `json:"user"`
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55 }
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56 )
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57
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58 var (
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59 // https://stackoverflow.com/questions/201323/how-to-validate-an-email-address-using-a-regular-expression
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60 emailRe = regexp.MustCompile(
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61 `(?:[a-z0-9!#$%&'*+/=?^_` + "`" +
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62 `{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_` + "`" +
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63 `{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]` +
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64 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")` +
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65 `@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?` +
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66 `|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}` +
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67 `(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]` +
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68 `:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]` +
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69 `|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])`)
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70
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71 errNoEmailAddress = errors.New("Not a valid email address")
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72 )
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73
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74 // UnmarshalJSON ensures that the given string forms a valid email address.
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75 func (e *Email) UnmarshalJSON(data []byte) error {
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76 var s string
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77 if err := json.Unmarshal(data, &s); err != nil {
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78 return err
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79 }
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80 if !emailRe.MatchString(s) {
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81 return errNoEmailAddress
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82 }
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83 *e = Email(s)
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84 return nil
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85 }
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86
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87 // Value implements the driver.Valuer interface.
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88 func (e Email) Value() (driver.Value, error) {
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89 return string(e), nil
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90 }
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91
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92 // Scan implements the sql.Scanner interface.
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93 func (e *Email) Scan(src interface{}) (err error) {
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94 if s, ok := src.(string); ok {
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95 *e = Email(s)
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96 } else {
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97 err = errNoString
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98 }
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99 return
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100 }
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101
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102 var errNoValidUser = errors.New("Not a valid user")
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103
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104 // IsValid checks if a given user name is valid.
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105 func (u UserName) IsValid() bool {
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106 return u != ""
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107 }
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108
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109 // UnmarshalJSON ensures that the given string forms a valid user name.
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110 func (u *UserName) UnmarshalJSON(data []byte) error {
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111 var s string
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112 if err := json.Unmarshal(data, &s); err != nil {
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113 return err
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114 }
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115 if user := UserName(s); user.IsValid() {
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116 *u = user
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117 return nil
418
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118 }
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119 return errNoValidUser
418
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120 }
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121
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122 // Scan implements the sql.Scanner interface.
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123 func (u *UserName) Scan(src interface{}) (err error) {
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124 if s, ok := src.(string); ok {
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125 *u = UserName(s)
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126 } else {
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127 err = errNoString
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128 }
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129 return
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130 }
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131
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132 var (
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133 validRoles = []string{
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134 "waterway_user",
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135 "waterway_admin",
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136 "sys_admin",
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137 }
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138 errNoValidRole = errors.New("Not a valid role")
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139 )
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140
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141 // Value implements the driver.Valuer interface.
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142 func (r Role) Value() (driver.Value, error) {
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143 return string(r), nil
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144 }
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145
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146 // Scan implements the sql.Scanner interface.
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147 func (r *Role) Scan(src interface{}) (err error) {
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148 if s, ok := src.(string); ok {
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149 *r = Role(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 // UnmarshalJSON ensure that the given string is a valid user name.
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157 func (r *Role) UnmarshalJSON(data []byte) error {
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158 var s string
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159 if err := json.Unmarshal(data, &s); err != nil {
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160 return err
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161 }
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162 s = strings.ToLower(s)
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163 for _, v := range validRoles {
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164 if v == s {
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165 *r = Role(v)
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166 return nil
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167 }
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168 }
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169 return errNoValidRole
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170 }