Mercurial > gemma
annotate pkg/controllers/system.go @ 3415:0e54eca5d499
merge
author | Thomas Junk <thomas.junk@intevation.de> |
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date | Thu, 23 May 2019 15:30:25 +0200 |
parents | 8a4fb02ee60a |
children | a688a478e35f |
rev | line source |
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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 Wilde <sascha.wilde@intevation.de> |
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13 |
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14 package controllers |
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15 |
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16 import ( |
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17 "bytes" |
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18 "database/sql" |
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19 "fmt" |
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20 "io/ioutil" |
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21 "net/http" |
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22 "strings" |
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23 |
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24 "gemma.intevation.de/gemma/pkg/config" |
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25 "gemma.intevation.de/gemma/pkg/models" |
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26 "github.com/gorilla/mux" |
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27 ) |
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28 |
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29 const ( |
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30 getFeatureColourSQL = `SELECT r,g,b,a |
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31 FROM systemconf.feature_colours |
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32 WHERE feature_name = $1 AND style_attr = $2` |
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33 setFeatureColourSQL = `UPDATE systemconf.feature_colours |
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34 SET (r, g, b, a) = ($3, $4, $5, $6) |
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35 WHERE feature_name = $1 AND style_attr = $2` |
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36 ) |
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37 |
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38 // System status end points |
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39 |
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40 func showSystemLog( |
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41 _ interface{}, req *http.Request, |
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42 _ *sql.Conn, |
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43 ) (jr JSONResult, err error) { |
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44 |
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45 serviceName := mux.Vars(req)["service"] |
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46 fileName := mux.Vars(req)["file"] |
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47 |
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48 // The following check is currently most likely unnecessary as I wasn't |
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49 // able to inject a verbatim '/' via the middleware, but better be on |
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50 // the safe site... |
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51 if strings.Contains(fileName, "/") { |
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52 err = JSONError{http.StatusBadRequest, |
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53 "error: no slashes allowed in file name"} |
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54 return |
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55 } |
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56 |
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57 var path string |
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58 |
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59 switch serviceName { |
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60 case "apache2", "postgresql": |
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61 path = "/var/log/" + serviceName + "/" + fileName |
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62 default: |
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63 err = JSONError{http.StatusBadRequest, |
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64 "error: invalid service: " + serviceName} |
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65 return |
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66 } |
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67 |
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68 var txt []byte |
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69 |
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70 if txt, err = ioutil.ReadFile(path); err != nil { |
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71 return |
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72 } |
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73 |
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74 jr = JSONResult{ |
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75 Result: struct { |
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76 Path string `json:"path"` |
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77 Content string `json:"content"` |
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78 }{path, string(txt)}, |
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79 } |
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80 return |
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81 } |
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82 |
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83 func getSystemConfig( |
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84 _ interface{}, req *http.Request, |
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85 _ *sql.Conn, |
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86 ) (jr JSONResult, err error) { |
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87 |
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88 cfg := config.PublishedConfig() |
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89 if cfg == "" { |
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90 jr = JSONResult{Result: strings.NewReader("{}")} |
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91 return |
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92 } |
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93 |
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94 var data []byte |
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95 if data, err = ioutil.ReadFile(cfg); err != nil { |
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96 return |
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97 } |
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98 |
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99 jr = JSONResult{Result: bytes.NewReader(data)} |
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100 return |
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101 } |
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102 |
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103 // Map/Feature style end points |
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104 |
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105 func getFeatureStyle( |
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106 _ interface{}, |
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107 req *http.Request, |
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108 db *sql.Conn, |
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109 ) (jr JSONResult, err error) { |
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110 |
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111 feature := mux.Vars(req)["feature"] |
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112 attr := mux.Vars(req)["attr"] |
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113 |
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114 c := models.Colour{} |
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115 err = db.QueryRowContext( |
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116 req.Context(), |
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117 getFeatureColourSQL, |
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118 feature, attr, |
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119 ).Scan(&c.R, &c.G, &c.B, &c.A) |
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120 |
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121 switch { |
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122 case err == sql.ErrNoRows: |
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123 err = JSONError{ |
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124 Code: http.StatusNotFound, |
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125 Message: "Requestes style not found.", |
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126 } |
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127 return |
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128 case err != nil: |
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129 return |
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130 } |
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131 |
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132 jr.Result = &struct { |
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133 Colour models.Colour `json:"colour"` |
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134 Code string `json:"code"` |
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135 }{c, fmt.Sprintf("rgba(%d, %d, %d, %g)", c.R, c.G, c.B, c.A)} |
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136 return |
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137 } |
846
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138 |
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139 func setFeatureStyle( |
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140 input interface{}, |
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141 req *http.Request, |
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142 db *sql.Conn, |
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143 ) (jr JSONResult, err error) { |
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144 |
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145 feature := mux.Vars(req)["feature"] |
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146 attr := mux.Vars(req)["attr"] |
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147 |
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148 c := input.(*models.Colour) |
854
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149 if !c.IsValid() { |
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150 err = JSONError{http.StatusBadRequest, "error: invalid colours"} |
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151 return |
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152 } |
846
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153 |
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154 var res sql.Result |
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155 res, err = db.ExecContext( |
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156 req.Context(), |
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157 setFeatureColourSQL, |
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158 feature, attr, |
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159 c.R, c.G, c.B, c.A) |
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160 |
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161 if err != nil { |
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162 return |
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163 } |
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164 |
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165 if n, err2 := res.RowsAffected(); err2 == nil && n == 0 { |
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166 err = JSONError{ |
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167 Code: http.StatusNotFound, |
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168 Message: "Requestes style not found.", |
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169 } |
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|
170 return |
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parents:
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|
171 } |
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172 |
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173 jr = JSONResult{ |
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174 Code: http.StatusCreated, |
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175 Result: struct { |
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176 Result string `json:"result"` |
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177 }{"success"}, |
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178 } |
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179 return |
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180 } |