1 | <?php |
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2 | /** |
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3 | * Url.php |
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4 | * |
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5 | * -Description- |
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6 | * |
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7 | * This program is free software: you can redistribute it and/or modify |
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8 | * it under the terms of the GNU General Public License as published by |
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9 | * the Free Software Foundation, either version 3 of the License, or |
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10 | * (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
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19 | * |
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20 | * @link https://www.librenms.org |
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21 | * |
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22 | * @copyright 2018 Tony Murray |
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23 | * @author Tony Murray <[email protected]> |
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24 | */ |
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25 | |||||||
26 | namespace LibreNMS\Util; |
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27 | |||||||
28 | use App\Models\Device; |
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29 | use App\Models\Port; |
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30 | use Carbon\Carbon; |
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31 | use Carbon\CarbonImmutable; |
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32 | use Illuminate\Support\Facades\Auth; |
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33 | use Illuminate\Support\Str; |
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34 | use LibreNMS\Config; |
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35 | use Symfony\Component\HttpFoundation\ParameterBag; |
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36 | |||||||
37 | class Url |
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38 | { |
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39 | /** |
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40 | * @param Device $device |
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41 | * @param string $text |
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42 | * @param array $vars |
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43 | * @param int $start |
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44 | * @param int $end |
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45 | * @param int $escape_text |
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46 | * @param int $overlib |
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47 | * @return string |
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48 | */ |
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49 | public static function deviceLink($device, $text = null, $vars = [], $start = 0, $end = 0, $escape_text = 1, $overlib = 1) |
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50 | { |
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51 | if (! $device instanceof Device || ! $device->hostname) { |
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52 | return ''; |
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53 | } |
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54 | |||||||
55 | if (! $device->canAccess(Auth::user())) { |
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56 | return $device->displayName(); |
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57 | } |
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58 | |||||||
59 | if (! $start) { |
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60 | $start = Carbon::now()->subDay()->timestamp; |
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61 | } |
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62 | |||||||
63 | if (! $end) { |
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64 | $end = Carbon::now()->timestamp; |
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65 | } |
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66 | |||||||
67 | if (! $text) { |
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68 | $text = $device->displayName(); |
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69 | } |
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70 | |||||||
71 | if ($escape_text) { |
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72 | $text = htmlentities($text); |
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73 | } |
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74 | |||||||
75 | $class = self::deviceLinkDisplayClass($device); |
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76 | $graphs = Graph::getOverviewGraphsForDevice($device); |
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77 | $url = Url::deviceUrl($device, $vars); |
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78 | |||||||
79 | // beginning of overlib box contains large hostname followed by hardware & OS details |
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80 | $contents = '<div><span class="list-large">' . $device->displayName() . '</span>'; |
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81 | if ($device->hardware) { |
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82 | $contents .= ' - ' . htmlentities($device->hardware); |
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83 | } |
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84 | |||||||
85 | if ($device->os) { |
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86 | $contents .= ' - ' . htmlentities(Config::getOsSetting($device->os, 'text')); |
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LibreNMS\Config::getOsSe...ng($device->os, 'text') can also be of type null ; however, parameter $string of htmlentities() does only seem to accept string , maybe add an additional type check?
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87 | } |
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88 | |||||||
89 | if ($device->version) { |
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90 | $contents .= ' ' . htmlentities($device->version); |
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91 | } |
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92 | |||||||
93 | if ($device->features) { |
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94 | $contents .= ' (' . htmlentities($device->features) . ')'; |
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95 | } |
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96 | |||||||
97 | if ($device->location_id) { |
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98 | $contents .= ' - ' . htmlentities($device->location); |
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99 | } |
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100 | |||||||
101 | $contents .= '</div>'; |
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102 | |||||||
103 | foreach ((array) $graphs as $entry) { |
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104 | $graph = isset($entry['graph']) ? $entry['graph'] : 'unknown'; |
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105 | $graphhead = isset($entry['text']) ? $entry['text'] : 'unknown'; |
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106 | $contents .= '<div class="overlib-box">'; |
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107 | $contents .= '<span class="overlib-title">' . $graphhead . '</span><br />'; |
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108 | $contents .= Url::minigraphImage($device, $start, $end, $graph); |
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$end can also be of type double and string ; however, parameter $end of LibreNMS\Util\Url::minigraphImage() does only seem to accept integer , maybe add an additional type check?
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$start can also be of type double and string ; however, parameter $start of LibreNMS\Util\Url::minigraphImage() does only seem to accept integer , maybe add an additional type check?
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109 | $contents .= Url::minigraphImage($device, Carbon::now()->subWeek()->timestamp, $end, $graph); |
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110 | $contents .= '</div>'; |
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111 | } |
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112 | |||||||
113 | if ($overlib == 0) { |
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114 | $link = $contents; |
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115 | } else { |
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116 | $contents = self::escapeBothQuotes($contents); |
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117 | $link = Url::overlibLink($url, $text, $contents, $class); |
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118 | } |
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119 | |||||||
120 | return $link; |
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121 | } |
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122 | |||||||
123 | /** |
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124 | * @param Port $port |
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125 | * @param string $text |
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126 | * @param string $type |
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127 | * @param bool $overlib |
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128 | * @param bool $single_graph |
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129 | * @return mixed|string |
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130 | */ |
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131 | public static function portLink($port, $text = null, $type = null, $overlib = true, $single_graph = false) |
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132 | { |
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133 | if ($port === null) { |
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134 | return $text; |
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135 | } |
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136 | |||||||
137 | $label = Rewrite::normalizeIfName($port->getLabel()); |
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138 | if (! $text) { |
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139 | $text = $label; |
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140 | } |
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141 | |||||||
142 | $content = '<div class=list-large>' . addslashes(htmlentities($port->device->displayName() . ' - ' . $label)) . '</div>'; |
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143 | if ($description = $port->getDescription()) { |
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144 | $content .= addslashes(htmlentities($description)) . '<br />'; |
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145 | } |
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146 | |||||||
147 | $content .= "<div style=\'width: 850px\'>"; |
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148 | $graph_array = [ |
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149 | 'type' => $type ?: 'port_bits', |
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150 | 'legend' => 'yes', |
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151 | 'height' => 100, |
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152 | 'width' => 340, |
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153 | 'to' => Carbon::now()->timestamp, |
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154 | 'from' => Carbon::now()->subDay()->timestamp, |
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155 | 'id' => $port->port_id, |
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156 | ]; |
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157 | |||||||
158 | $content .= self::graphTag($graph_array); |
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159 | if (! $single_graph) { |
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160 | $graph_array['from'] = Carbon::now()->subWeek()->timestamp; |
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161 | $content .= self::graphTag($graph_array); |
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162 | $graph_array['from'] = Carbon::now()->subMonth()->timestamp; |
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163 | $content .= self::graphTag($graph_array); |
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164 | $graph_array['from'] = Carbon::now()->subYear()->timestamp; |
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165 | $content .= self::graphTag($graph_array); |
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166 | } |
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167 | |||||||
168 | $content .= '</div>'; |
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169 | |||||||
170 | if (! $overlib) { |
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171 | return $content; |
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172 | } elseif ($port->canAccess(Auth::user())) { |
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173 | return self::overlibLink(self::portUrl($port), $text, $content, self::portLinkDisplayClass($port)); |
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174 | } |
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175 | |||||||
176 | return Rewrite::normalizeIfName($text); |
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177 | } |
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178 | |||||||
179 | /** |
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180 | * @param \App\Models\Sensor $sensor |
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181 | * @param string $text |
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182 | * @param string $type |
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183 | * @param bool $overlib |
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184 | * @param bool $single_graph |
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185 | * @return mixed|string |
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186 | */ |
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187 | public static function sensorLink($sensor, $text = null, $type = null, $overlib = true, $single_graph = false) |
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188 | { |
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189 | $label = $sensor->sensor_descr; |
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190 | if (! $text) { |
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191 | $text = $label; |
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192 | } |
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193 | |||||||
194 | $content = '<div class=list-large>' . addslashes(htmlentities($sensor->device->displayName() . ' - ' . $label)) . '</div>'; |
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195 | |||||||
196 | $content .= "<div style=\'width: 850px\'>"; |
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197 | $graph_array = [ |
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198 | 'type' => $type ?: 'sensor_' . $sensor->sensor_class, |
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199 | 'legend' => 'yes', |
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200 | 'height' => 100, |
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201 | 'width' => 340, |
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202 | 'to' => Carbon::now()->timestamp, |
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203 | 'from' => Carbon::now()->subDay()->timestamp, |
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204 | 'id' => $sensor->sensor_id, |
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205 | ]; |
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206 | |||||||
207 | $content .= self::graphTag($graph_array); |
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208 | if (! $single_graph) { |
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209 | $graph_array['from'] = Carbon::now()->subWeek()->timestamp; |
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210 | $content .= self::graphTag($graph_array); |
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211 | $graph_array['from'] = Carbon::now()->subMonth()->timestamp; |
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212 | $content .= self::graphTag($graph_array); |
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213 | $graph_array['from'] = Carbon::now()->subYear()->timestamp; |
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214 | $content .= self::graphTag($graph_array); |
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215 | } |
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216 | |||||||
217 | $content .= '</div>'; |
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218 | |||||||
219 | if (! $overlib) { |
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220 | return $content; |
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221 | } |
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222 | |||||||
223 | return self::overlibLink(self::sensorUrl($sensor), $text, $content, self::sensorLinkDisplayClass($sensor)); |
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224 | } |
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225 | |||||||
226 | /** |
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227 | * @param int|Device $device |
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228 | * @param array $vars |
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229 | * @return string |
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230 | */ |
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231 | public static function deviceUrl($device, $vars = []) |
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232 | { |
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233 | $routeParams = [is_numeric($device) ? $device : $device->device_id]; |
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234 | if (isset($vars['tab'])) { |
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235 | $routeParams[] = $vars['tab']; |
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236 | unset($vars['tab']); |
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237 | } |
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238 | |||||||
239 | return route('device', $routeParams) . self::urlParams($vars); |
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240 | } |
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241 | |||||||
242 | public static function portUrl($port, $vars = []) |
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243 | { |
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244 | return self::generate(['page' => 'device', 'device' => $port->device_id, 'tab' => 'port', 'port' => $port->port_id], $vars); |
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245 | } |
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246 | |||||||
247 | public static function sensorUrl($sensor, $vars = []) |
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248 | { |
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249 | return self::generate(['page' => 'device', 'device' => $sensor->device_id, 'tab' => 'health', 'metric' => $sensor->sensor_class], $vars); |
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250 | } |
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251 | |||||||
252 | /** |
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253 | * @param Port $port |
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254 | * @return string |
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255 | */ |
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256 | public static function portThumbnail($port) |
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257 | { |
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258 | $graph_array = [ |
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259 | 'port_id' => $port->port_id, |
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260 | 'graph_type' => 'port_bits', |
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261 | 'from' => Carbon::now()->subDay()->timestamp, |
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262 | 'to' => Carbon::now()->timestamp, |
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263 | 'width' => 150, |
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264 | 'height' => 21, |
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265 | ]; |
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266 | |||||||
267 | return self::portImage($graph_array); |
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268 | } |
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269 | |||||||
270 | /** |
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271 | * @param Port $port |
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272 | * @return string |
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273 | */ |
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274 | public static function portErrorsThumbnail($port) |
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275 | { |
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276 | $graph_array = [ |
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277 | 'port_id' => $port->port_id, |
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278 | 'graph_type' => 'port_errors', |
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279 | 'from' => Carbon::now()->subDay()->timestamp, |
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280 | 'to' => Carbon::now()->timestamp, |
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281 | 'width' => 150, |
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282 | 'height' => 21, |
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283 | ]; |
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284 | |||||||
285 | return self::portImage($graph_array); |
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286 | } |
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287 | |||||||
288 | public static function portImage($args) |
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289 | { |
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290 | if (empty($args['bg'])) { |
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291 | $args['bg'] = 'FFFFFF00'; |
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292 | } |
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293 | |||||||
294 | return '<img src="' . url('graph.php') . '?type=' . $args['graph_type'] . '&id=' . $args['port_id'] . '&from=' . $args['from'] . '&to=' . $args['to'] . '&width=' . $args['width'] . '&height=' . $args['height'] . '&bg=' . $args['bg'] . '">'; |
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295 | } |
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296 | |||||||
297 | public static function generate($vars, $new_vars = []) |
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298 | { |
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299 | $vars = array_merge($vars, $new_vars); |
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300 | |||||||
301 | $url = url(Config::get('base_url', true) . $vars['page'] . ''); |
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302 | unset($vars['page']); |
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303 | |||||||
304 | return $url . self::urlParams($vars); |
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305 | } |
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306 | |||||||
307 | /** |
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308 | * Generate url parameters to append to url |
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309 | * $prefix will only be prepended if there are parameters |
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310 | * |
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311 | * @param array $vars |
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312 | * @param string $prefix |
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313 | * @return string |
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314 | */ |
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315 | private static function urlParams($vars, $prefix = '/') |
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316 | { |
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317 | $url = empty($vars) ? '' : $prefix; |
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318 | foreach ($vars as $var => $value) { |
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319 | if ($value == '0' || $value != '' && ! Str::contains($var, 'opt') && ! is_numeric($var)) { |
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320 | $url .= urlencode($var) . '=' . urlencode($value) . '/'; |
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321 | } |
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322 | } |
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323 | |||||||
324 | return $url; |
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325 | } |
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326 | |||||||
327 | /** |
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328 | * @param array $args |
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329 | * @return string |
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330 | */ |
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331 | public static function graphTag($args) |
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332 | { |
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333 | $urlargs = []; |
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334 | foreach ($args as $key => $arg) { |
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335 | $urlargs[] = $key . '=' . urlencode($arg); |
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336 | } |
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337 | |||||||
338 | return '<img src="' . url('graph.php') . '?' . implode('&', $urlargs) . '" style="border:0;" />'; |
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339 | } |
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340 | |||||||
341 | public static function graphPopup($args, $content = null, $link = null) |
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342 | { |
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343 | // Take $args and print day,week,month,year graphs in overlib, hovered over graph |
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344 | $original_from = $args['from']; |
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345 | $now = CarbonImmutable::now(); |
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346 | |||||||
347 | $graph = $content ?: self::graphTag($args); |
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348 | $popup = '<div class=list-large>' . $args['popup_title'] . '</div>'; |
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349 | $popup .= '<div style="width: 850px">'; |
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350 | $args['width'] = 340; |
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351 | $args['height'] = 100; |
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352 | $args['legend'] = 'yes'; |
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353 | $args['from'] = $now->subDay()->timestamp; |
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354 | $popup .= self::graphTag($args); |
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355 | $args['from'] = $now->subWeek()->timestamp; |
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356 | $popup .= self::graphTag($args); |
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357 | $args['from'] = $now->subMonth()->timestamp; |
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358 | $popup .= self::graphTag($args); |
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359 | $args['from'] = $now->subYear()->timestamp; |
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360 | $popup .= self::graphTag($args); |
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361 | $popup .= '</div>'; |
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362 | |||||||
363 | $args['from'] = $original_from; |
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364 | |||||||
365 | $args['link'] = $link ?: self::generate($args, ['page' => 'graphs', 'height' => null, 'width' => null, 'bg' => null]); |
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366 | |||||||
367 | return self::overlibLink($args['link'], $graph, $popup, null); |
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368 | } |
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369 | |||||||
370 | public static function lazyGraphTag($args) |
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371 | { |
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372 | $urlargs = []; |
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373 | |||||||
374 | foreach ($args as $key => $arg) { |
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375 | $urlargs[] = $key . '=' . urlencode($arg); |
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376 | } |
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377 | |||||||
378 | $tag = '<img class="img-responsive" src="' . url('graph.php') . '?' . implode('&', $urlargs) . '" style="border:0;"'; |
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379 | |||||||
380 | if (Config::get('enable_lazy_load', true)) { |
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381 | return $tag . ' loading="lazy" />'; |
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382 | } |
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383 | |||||||
384 | return $tag . ' />'; |
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385 | } |
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386 | |||||||
387 | public static function overlibLink($url, $text, $contents, $class = null) |
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388 | { |
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389 | $contents = "<div class=\'overlib-contents\'>" . $contents . '</div>'; |
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390 | $contents = str_replace('"', "\'", $contents); |
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391 | if ($class === null) { |
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392 | $output = '<a href="' . $url . '"'; |
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393 | } else { |
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394 | $output = '<a class="' . $class . '" href="' . $url . '"'; |
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395 | } |
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396 | |||||||
397 | if (Config::get('web_mouseover', true)) { |
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398 | $defaults = Config::get('overlib_defaults', ",FGCOLOR,'#ffffff', BGCOLOR, '#e5e5e5', BORDER, 5, CELLPAD, 4, CAPCOLOR, '#555555', TEXTCOLOR, '#3e3e3e'"); |
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399 | $output .= " onmouseover=\"return overlib('$contents'$defaults,WRAP,HAUTO,VAUTO); \" onmouseout=\"return nd();\">"; |
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400 | } else { |
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401 | $output .= '>'; |
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402 | } |
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403 | |||||||
404 | $output .= $text . '</a>'; |
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405 | |||||||
406 | return $output; |
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407 | } |
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408 | |||||||
409 | public static function overlibContent($graph_array, $text) |
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410 | { |
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411 | $overlib_content = '<div class=overlib><span class=overlib-text>' . $text . '</span><br />'; |
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412 | |||||||
413 | $now = Carbon::now(); |
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414 | |||||||
415 | foreach ([1, 7, 30, 365] as $days) { |
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416 | $graph_array['from'] = $now->subDays($days)->timestamp; |
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417 | $overlib_content .= self::escapeBothQuotes(self::graphTag($graph_array)); |
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418 | } |
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419 | |||||||
420 | $overlib_content .= '</div>'; |
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421 | |||||||
422 | return $overlib_content; |
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423 | } |
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424 | |||||||
425 | /** |
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426 | * Generate minigraph image url |
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427 | * |
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428 | * @param Device $device |
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429 | * @param int $start |
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430 | * @param int $end |
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431 | * @param string $type |
||||||
432 | * @param string $legend |
||||||
433 | * @param int $width |
||||||
434 | * @param int $height |
||||||
435 | * @param string $sep |
||||||
436 | * @param string $class |
||||||
437 | * @param int $absolute_size |
||||||
438 | * @return string |
||||||
439 | */ |
||||||
440 | public static function minigraphImage($device, $start, $end, $type, $legend = 'no', $width = 275, $height = 100, $sep = '&', $class = 'minigraph-image', $absolute_size = 0) |
||||||
441 | { |
||||||
442 | $vars = ['device=' . $device->device_id, "from=$start", "to=$end", "width=$width", "height=$height", "type=$type", "legend=$legend", "absolute=$absolute_size"]; |
||||||
443 | |||||||
444 | return '<img class="' . $class . '" width="' . $width . '" height="' . $height . '" src="' . url('graph.php') . '?' . implode($sep, $vars) . '">'; |
||||||
445 | } |
||||||
446 | |||||||
447 | /** |
||||||
448 | * @param Device $device |
||||||
449 | * @return string |
||||||
450 | */ |
||||||
451 | private static function deviceLinkDisplayClass($device) |
||||||
452 | { |
||||||
453 | if ($device->disabled) { |
||||||
454 | return 'list-device-disabled'; |
||||||
455 | } |
||||||
456 | |||||||
457 | if ($device->ignore) { |
||||||
458 | return $device->status ? 'list-device-ignored-up' : 'list-device-ignored'; |
||||||
459 | } |
||||||
460 | |||||||
461 | return $device->status ? 'list-device' : 'list-device-down'; |
||||||
462 | } |
||||||
463 | |||||||
464 | /** |
||||||
465 | * Get html class for a port using ifAdminStatus and ifOperStatus |
||||||
466 | * |
||||||
467 | * @param Port $port |
||||||
468 | * @return string |
||||||
469 | */ |
||||||
470 | public static function portLinkDisplayClass($port) |
||||||
471 | { |
||||||
472 | if ($port->ifAdminStatus == 'down') { |
||||||
473 | return 'interface-admindown'; |
||||||
474 | } |
||||||
475 | |||||||
476 | if ($port->ifAdminStatus == 'up' && $port->ifOperStatus != 'up') { |
||||||
477 | return 'interface-updown'; |
||||||
478 | } |
||||||
479 | |||||||
480 | return 'interface-upup'; |
||||||
481 | } |
||||||
482 | |||||||
483 | /** |
||||||
484 | * Get html class for a sensor |
||||||
485 | * |
||||||
486 | * @param \App\Models\Sensor $sensor |
||||||
487 | * @return string |
||||||
488 | */ |
||||||
489 | public static function sensorLinkDisplayClass($sensor) |
||||||
490 | { |
||||||
491 | if ($sensor->sensor_current > $sensor->sensor_limit) { |
||||||
492 | return 'sensor-high'; |
||||||
493 | } |
||||||
494 | |||||||
495 | if ($sensor->sensor_current < $sensor->sensor_limit_low) { |
||||||
496 | return 'sensor-low'; |
||||||
497 | } |
||||||
498 | |||||||
499 | return 'sensor-ok'; |
||||||
500 | } |
||||||
501 | |||||||
502 | /** |
||||||
503 | * @param string $os |
||||||
504 | * @param string $feature |
||||||
505 | * @param string $icon |
||||||
506 | * @param string $dir directory to search in (images/os/ or images/logos) |
||||||
507 | * @return string |
||||||
508 | */ |
||||||
509 | public static function findOsImage($os, $feature, $icon = null, $dir = 'images/os/') |
||||||
510 | { |
||||||
511 | $possibilities = [$icon]; |
||||||
512 | |||||||
513 | if ($os) { |
||||||
514 | if ($os == 'linux') { |
||||||
515 | // first, prefer the first word of $feature |
||||||
516 | $distro = Str::before(strtolower(trim($feature)), ' '); |
||||||
517 | $possibilities[] = "$distro.svg"; |
||||||
518 | $possibilities[] = "$distro.png"; |
||||||
519 | |||||||
520 | // second, prefer the first two words of $feature (i.e. 'Red Hat' becomes 'redhat') |
||||||
521 | if (strpos($feature, ' ') !== false) { |
||||||
522 | $distro = Str::replaceFirst(' ', '', strtolower(trim($feature))); |
||||||
523 | $distro = Str::before($distro, ' '); |
||||||
524 | $possibilities[] = "$distro.svg"; |
||||||
525 | $possibilities[] = "$distro.png"; |
||||||
526 | } |
||||||
527 | } |
||||||
528 | $os_icon = Config::getOsSetting($os, 'icon', $os); |
||||||
529 | $possibilities[] = "$os_icon.svg"; |
||||||
530 | $possibilities[] = "$os_icon.png"; |
||||||
531 | } |
||||||
532 | |||||||
533 | foreach ($possibilities as $file) { |
||||||
534 | if (is_file(Config::get('html_dir') . "/$dir" . $file)) { |
||||||
535 | return $file; |
||||||
536 | } |
||||||
537 | } |
||||||
538 | |||||||
539 | // fallback to the generic icon |
||||||
540 | return 'generic.svg'; |
||||||
541 | } |
||||||
542 | |||||||
543 | /** |
||||||
544 | * parse a legacy path (one without ? or &) |
||||||
545 | * |
||||||
546 | * @param string $path |
||||||
547 | * @return ParameterBag |
||||||
548 | */ |
||||||
549 | public static function parseLegacyPath($path) |
||||||
550 | { |
||||||
551 | $parts = array_filter(explode('/', $path), function ($part) { |
||||||
552 | return Str::contains($part, '='); |
||||||
553 | }); |
||||||
554 | |||||||
555 | $vars = []; |
||||||
556 | foreach ($parts as $part) { |
||||||
557 | [$key, $value] = explode('=', $part); |
||||||
558 | $vars[$key] = $value; |
||||||
559 | } |
||||||
560 | |||||||
561 | return new ParameterBag($vars); |
||||||
562 | } |
||||||
563 | |||||||
564 | private static function escapeBothQuotes($string) |
||||||
565 | { |
||||||
566 | return str_replace(["'", '"'], "\'", $string); |
||||||
567 | } |
||||||
568 | } |
||||||
569 |