1 | <?php |
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2 | /** |
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3 | * Twigpack plugin for Craft CMS 3.x |
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4 | * |
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5 | * Twigpack is the conduit between Twig and webpack, with manifest.json & |
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6 | * webpack-dev-server HMR support |
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7 | * |
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8 | * @link https://nystudio107.com/ |
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9 | * @copyright Copyright (c) 2018 nystudio107 |
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10 | */ |
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11 | |||
12 | namespace nystudio107\twigpack\helpers; |
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13 | |||
14 | use nystudio107\twigpack\Twigpack; |
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15 | use nystudio107\twigpack\models\Settings; |
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16 | |||
17 | use Craft; |
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18 | use craft\helpers\Html; |
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19 | use craft\helpers\Json as JsonHelper; |
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20 | use craft\helpers\UrlHelper; |
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21 | |||
22 | use yii\base\Exception; |
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23 | use yii\caching\TagDependency; |
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24 | use yii\web\NotFoundHttpException; |
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25 | |||
26 | /** |
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27 | * @author nystudio107 |
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28 | * @package Twigpack |
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29 | * @since 1.0.0 |
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30 | */ |
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31 | class Manifest |
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32 | { |
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33 | // Constants |
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34 | // ========================================================================= |
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35 | |||
36 | const CACHE_KEY = 'twigpack'; |
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37 | const CACHE_TAG = 'twigpack'; |
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38 | |||
39 | const DEVMODE_CACHE_DURATION = 1; |
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40 | |||
41 | const CSP_HEADERS = [ |
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42 | 'Content-Security-Policy', |
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43 | 'X-Content-Security-Policy', |
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44 | 'X-WebKit-CSP', |
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45 | ]; |
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46 | |||
47 | const SUPPRESS_ERRORS_FOR_MODULES = [ |
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48 | 'styles.js', |
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49 | ]; |
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50 | |||
51 | // Protected Static Properties |
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52 | // ========================================================================= |
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53 | |||
54 | /** |
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55 | * @var array |
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56 | */ |
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57 | protected static $files; |
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58 | |||
59 | /** |
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60 | * @var bool |
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61 | */ |
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62 | protected static $isHot = false; |
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63 | |||
64 | // Public Static Methods |
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65 | // ========================================================================= |
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66 | |||
67 | /** |
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68 | * @param array $config |
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69 | * @param string $moduleName |
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70 | * @param bool $async |
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71 | * @param array $attributes additional HTML key/value pair attributes to add to the resulting tag |
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72 | * |
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73 | * @return string |
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74 | * @throws NotFoundHttpException |
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75 | */ |
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76 | public static function getCssModuleTags(array $config, string $moduleName, bool $async, array $attributes = []): string |
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77 | { |
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78 | $legacyModule = self::getModule($config, $moduleName, 'legacy', true); |
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79 | if ($legacyModule === null) { |
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80 | return ''; |
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81 | } |
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82 | $lines = []; |
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83 | if ($async) { |
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84 | $lines[] = Html::cssFile($legacyModule, array_merge([ |
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85 | 'rel' => 'stylesheet', |
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86 | 'media' => 'print', |
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87 | 'onload' => "this.media='all'", |
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88 | ], $attributes)); |
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89 | $lines[] = Html::cssFile($legacyModule, array_merge([ |
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90 | 'rel' => 'stylesheet', |
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91 | 'noscript' => true, |
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92 | ], $attributes)); |
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93 | } else { |
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94 | $lines[] = Html::cssFile($legacyModule, array_merge([ |
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95 | 'rel' => 'stylesheet', |
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96 | ], $attributes)); |
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97 | } |
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98 | |||
99 | return implode("\r\n", $lines); |
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100 | } |
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101 | |||
102 | /** |
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103 | * @param string $path |
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104 | * @param array $attributes additional HTML key/value pair attributes to add to the resulting tag |
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105 | * |
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106 | * @return string |
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107 | */ |
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108 | public static function getCssInlineTags(string $path, array $attributes = []): string |
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109 | { |
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110 | $result = self::getFile($path); |
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111 | if ($result) { |
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112 | $config = []; |
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113 | $nonce = self::getNonce(); |
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114 | if ($nonce !== null) { |
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115 | $config['nonce'] = $nonce; |
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116 | self::includeNonce($nonce, 'style-src'); |
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117 | } |
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118 | $result = Html::style($result, array_merge($config, $attributes)); |
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119 | |||
120 | return $result; |
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121 | } |
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122 | |||
123 | return ''; |
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124 | } |
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125 | |||
126 | /** |
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127 | * @param array $config |
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128 | * @param null|string $name |
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129 | * @param array $attributes additional HTML key/value pair attributes to add to the resulting tag |
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130 | * |
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131 | * @return string |
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132 | * @throws \Twig\Error\LoaderError |
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133 | */ |
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134 | public static function getCriticalCssTags(array $config, $name = null, array $attributes = []): string |
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135 | { |
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136 | // Resolve the template name |
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137 | $template = Craft::$app->getView()->resolveTemplate($name ?? Twigpack::$templateName ?? ''); |
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138 | if ($template) { |
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139 | $name = self::combinePaths( |
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140 | pathinfo($template, PATHINFO_DIRNAME), |
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141 | pathinfo($template, PATHINFO_FILENAME) |
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142 | ); |
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143 | $dirPrefix = 'templates/'; |
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144 | if (defined('CRAFT_TEMPLATES_PATH')) { |
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145 | $dirPrefix = CRAFT_TEMPLATES_PATH; |
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146 | } |
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147 | $name = strstr($name, $dirPrefix); |
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148 | $name = (string)str_replace($dirPrefix, '', $name); |
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149 | $path = self::combinePaths( |
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150 | $config['localFiles']['basePath'], |
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151 | $config['localFiles']['criticalPrefix'], |
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152 | $name |
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153 | ) . $config['localFiles']['criticalSuffix']; |
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154 | |||
155 | return self::getCssInlineTags($path, $attributes); |
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156 | } |
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157 | |||
158 | return ''; |
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159 | } |
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160 | |||
161 | /** |
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162 | * Returns the uglified loadCSS rel=preload Polyfill as per: |
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163 | * https://github.com/filamentgroup/loadCSS#how-to-use-loadcss-recommended-example |
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164 | * |
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165 | * @return string |
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166 | * @throws \craft\errors\DeprecationException |
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167 | * @deprecated in 1.2.0 |
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168 | */ |
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169 | public static function getCssRelPreloadPolyfill(): string |
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170 | { |
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171 | Craft::$app->getDeprecator()->log('craft.twigpack.includeCssRelPreloadPolyfill()', 'craft.twigpack.includeCssRelPreloadPolyfill() has been deprecated, this function now does nothing. You can safely remove craft.twigpack.includeCssRelPreloadPolyfill() from your templates.'); |
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172 | |||
173 | return ''; |
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174 | } |
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175 | |||
176 | /** |
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177 | * @param array $config |
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178 | * @param string $moduleName |
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179 | * @param bool $async |
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180 | * @param array $attributes additional HTML key/value pair attributes to add to the resulting tag |
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181 | * |
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182 | * @return null|string |
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183 | * @throws NotFoundHttpException |
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184 | */ |
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185 | public static function getJsModuleTags(array $config, string $moduleName, bool $async, array $attributes = []) |
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186 | { |
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187 | $legacyModule = self::getModule($config, $moduleName, 'legacy', true); |
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188 | if ($legacyModule === null) { |
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189 | return ''; |
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190 | } |
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191 | $modernModule = ''; |
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192 | if ($async) { |
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193 | $modernModule = self::getModule($config, $moduleName, 'modern', true); |
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194 | if ($modernModule === null) { |
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195 | return ''; |
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196 | } |
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197 | } |
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198 | $lines = []; |
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199 | if ($async) { |
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200 | $lines[] = Html::jsFile($modernModule, array_merge([ |
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201 | 'type' => 'module', |
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202 | ], $attributes)); |
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203 | $lines[] = Html::jsFile($legacyModule, array_merge([ |
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204 | 'nomodule' => true, |
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205 | ], $attributes)); |
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206 | } else { |
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207 | $lines[] = Html::jsFile($legacyModule, array_merge([ |
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208 | ], $attributes)); |
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209 | } |
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210 | |||
211 | return implode("\r\n", $lines); |
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212 | } |
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213 | |||
214 | /** |
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215 | * Safari 10.1 supports modules, but does not support the `nomodule` |
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216 | * attribute - it will load <script nomodule> anyway. This snippet solve |
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217 | * this problem, but only for script tags that load external code, e.g.: |
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218 | * <script nomodule src="nomodule.js"></script> |
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219 | * |
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220 | * Again: this will **not* # prevent inline script, e.g.: |
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221 | * <script nomodule>alert('no modules');</script>. |
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222 | * |
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223 | * This workaround is possible because Safari supports the non-standard |
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224 | * 'beforeload' event. This allows us to trap the module and nomodule load. |
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225 | * |
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226 | * Note also that `nomodule` is supported in later versions of Safari - |
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227 | * it's just 10.1 that omits this attribute. |
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228 | * |
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229 | * c.f.: https://gist.github.com/samthor/64b114e4a4f539915a95b91ffd340acc |
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230 | * |
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231 | * @param array $attributes additional HTML key/value pair attributes to add to the resulting tag |
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232 | * |
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233 | * @return string |
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234 | */ |
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235 | public static function getSafariNomoduleFix(array $attributes = []): string |
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236 | { |
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237 | $code = /** @lang JavaScript */ |
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238 | <<<EOT |
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239 | !function(){var e=document,t=e.createElement("script");if(!("noModule"in t)&&"onbeforeload"in t){var n=!1;e.addEventListener("beforeload",function(e){if(e.target===t)n=!0;else if(!e.target.hasAttribute("nomodule")||!n)return;e.preventDefault()},!0),t.type="module",t.src=".",e.head.appendChild(t),t.remove()}}(); |
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240 | EOT; |
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241 | $config = []; |
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242 | $nonce = self::getNonce(); |
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243 | if ($nonce !== null) { |
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244 | $config['nonce'] = $nonce; |
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245 | self::includeNonce($nonce, 'script-src'); |
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246 | } |
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247 | |||
248 | return Html::script($code, array_merge($config, $attributes)); |
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249 | } |
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250 | |||
251 | /** |
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252 | * Return the URI to a module |
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253 | * |
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254 | * @param array $config |
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255 | * @param string $moduleName |
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256 | * @param string $type |
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257 | * @param bool $soft |
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258 | * |
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259 | * @return null|string |
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260 | * @throws NotFoundHttpException |
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261 | */ |
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262 | public static function getModule(array $config, string $moduleName, string $type = 'modern', bool $soft = false) |
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263 | { |
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264 | // Get the module entry |
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265 | $module = self::getModuleEntry($config, $moduleName, $type, $soft); |
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266 | if ($module !== null) { |
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267 | $prefix = self::$isHot |
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268 | ? $config['devServer']['publicPath'] |
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269 | : $config['server']['publicPath']; |
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270 | $useAbsoluteUrl = $config['useAbsoluteUrl']; |
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271 | // If the module isn't a full URL, prefix it as required |
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272 | if ($useAbsoluteUrl && !UrlHelper::isAbsoluteUrl($module)) { |
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273 | $module = self::combinePaths($prefix, $module); |
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274 | } |
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275 | // Resolve any aliases |
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276 | $alias = Craft::getAlias($module, false); |
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277 | if ($alias) { |
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278 | $module = $alias; |
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279 | } |
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280 | // Make sure it's a full URL, as required |
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281 | if ($useAbsoluteUrl && !UrlHelper::isAbsoluteUrl($module) && !is_file($module)) { |
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282 | try { |
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283 | $module = UrlHelper::siteUrl($module); |
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284 | } catch (Exception $e) { |
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285 | Craft::error($e->getMessage(), __METHOD__); |
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286 | } |
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287 | } |
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288 | } |
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289 | |||
290 | return $module; |
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291 | } |
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292 | |||
293 | /** |
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294 | * Return the HASH value from to module |
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295 | * |
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296 | * @param array $config |
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297 | * @param string $moduleName |
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298 | * @param string $type |
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299 | * @param bool $soft |
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300 | * |
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301 | * @return null|string |
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302 | */ |
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303 | public static function getModuleHash(array $config, string $moduleName, string $type = 'modern', bool $soft = false) |
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304 | { |
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305 | |||
306 | $moduleHash = ''; |
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307 | try { |
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308 | // Get the module entry |
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309 | $module = self::getModuleEntry($config, $moduleName, $type, $soft); |
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310 | if ($module !== null) { |
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311 | // Extract only the Hash Value |
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312 | $modulePath = pathinfo($module); |
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313 | $moduleFilename = $modulePath['filename']; |
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314 | $moduleHash = substr($moduleFilename, strpos($moduleFilename, ".") + 1); |
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315 | } |
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316 | } catch (Exception $e) { |
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317 | // return empty string if no module is found |
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318 | return ''; |
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319 | } |
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320 | |||
321 | return $moduleHash; |
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322 | } |
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323 | |||
324 | /** |
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325 | * Return a module's raw entry from the manifest |
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326 | * |
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327 | * @param array $config |
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328 | * @param string $moduleName |
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329 | * @param string $type |
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330 | * @param bool $soft |
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331 | * |
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332 | * @return null|string |
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333 | * @throws NotFoundHttpException |
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334 | */ |
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335 | public static function getModuleEntry( |
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336 | array $config, |
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337 | string $moduleName, |
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338 | string $type = 'modern', |
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339 | bool $soft = false |
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340 | ) |
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341 | { |
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342 | $module = null; |
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343 | // Get the manifest file |
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344 | $manifest = self::getManifestFile($config, $type); |
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345 | if ($manifest !== null) { |
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346 | // Make sure it exists in the manifest |
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347 | if (empty($manifest[$moduleName]) && !in_array($moduleName, self::SUPPRESS_ERRORS_FOR_MODULES)) { |
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348 | self::reportError(Craft::t( |
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349 | 'twigpack', |
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350 | 'Module does not exist in the manifest: {moduleName}', |
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351 | ['moduleName' => $moduleName] |
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352 | ), $soft); |
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353 | |||
354 | return null; |
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355 | } |
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356 | $module = $manifest[$moduleName]; |
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357 | } |
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358 | |||
359 | return $module; |
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360 | } |
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361 | |||
362 | /** |
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363 | * Return a JSON-decoded manifest file |
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364 | * |
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365 | * @param array $config |
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366 | * @param string $type |
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367 | * |
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368 | * @return null|array |
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369 | * @throws NotFoundHttpException |
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370 | */ |
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371 | public static function getManifestFile(array $config, string $type = 'modern') |
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372 | { |
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373 | $manifest = null; |
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374 | // Determine whether we should use the devServer for HMR or not |
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375 | $devMode = Craft::$app->getConfig()->getGeneral()->devMode; |
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376 | self::$isHot = ($devMode && $config['useDevServer']); |
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377 | // Try to get the manifest |
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378 | while ($manifest === null) { |
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379 | $manifestPath = self::$isHot |
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380 | ? $config['devServer']['manifestPath'] |
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381 | : $config['server']['manifestPath']; |
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382 | // If this is a dev-server, use the defined build type |
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383 | $thisType = $type; |
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384 | if (self::$isHot) { |
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385 | $thisType = $config['devServerBuildType'] === 'combined' |
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386 | ? $thisType |
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387 | : $config['devServerBuildType']; |
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388 | } |
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389 | // Normalize the path |
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390 | $path = self::combinePaths($manifestPath, $config['manifest'][$thisType]); |
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391 | $manifest = self::getJsonFile($path); |
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392 | // If the manifest isn't found, and it was hot, fall back on non-hot |
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393 | if ($manifest === null) { |
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394 | // We couldn't find a manifest; throw an error |
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395 | self::reportError(Craft::t( |
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396 | 'twigpack', |
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397 | 'Manifest file not found at: {manifestPath}', |
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398 | ['manifestPath' => $manifestPath] |
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399 | ), true); |
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400 | if (self::$isHot) { |
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401 | // Try again, but not with home module replacement |
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402 | self::$isHot = false; |
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403 | } else { |
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404 | // Give up and return null |
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405 | return null; |
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406 | } |
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407 | } |
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408 | } |
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409 | |||
410 | return $manifest; |
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411 | } |
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412 | |||
413 | /** |
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414 | * Returns the contents of a file from a URI path |
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415 | * |
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416 | * @param string $path |
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417 | * |
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418 | * @return string |
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419 | */ |
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420 | public static function getFile(string $path): string |
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421 | { |
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422 | return self::getFileFromUri($path, null, true) ?? ''; |
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423 | } |
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424 | |||
425 | /** |
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426 | * @param array $config |
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427 | * @param string $fileName |
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428 | * @param string $type |
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429 | * |
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430 | * @return string |
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431 | */ |
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432 | public static function getFileFromManifest(array $config, string $fileName, string $type = 'legacy'): string |
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433 | { |
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434 | $path = null; |
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435 | try { |
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436 | $path = self::getModuleEntry($config, $fileName, $type, true); |
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437 | } catch (NotFoundHttpException $e) { |
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438 | Craft::error($e->getMessage(), __METHOD__); |
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439 | } |
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440 | if ($path !== null) { |
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441 | // Determine whether we should use the devServer for HMR or not |
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442 | $devMode = Craft::$app->getConfig()->getGeneral()->devMode; |
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443 | if ($devMode) { |
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444 | $devServerPrefix = $config['devServer']['publicPath']; |
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445 | $devServerPath = self::combinePaths( |
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446 | $devServerPrefix, |
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447 | $path |
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448 | ); |
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449 | $devServerFile = self::getFileFromUri($devServerPath, null); |
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450 | if ($devServerFile) { |
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451 | return $devServerFile; |
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452 | } |
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453 | } |
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454 | // Otherwise, try not-hot files |
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455 | $localPrefix = $config['localFiles']['basePath']; |
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456 | $localPath = self::combinePaths( |
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457 | $localPrefix, |
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458 | $path |
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459 | ); |
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460 | $alias = Craft::getAlias($localPath, false); |
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461 | if ($alias && is_string($alias)) { |
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462 | $localPath = $alias; |
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463 | } |
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464 | if (is_file($localPath)) { |
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465 | return self::getFile($localPath) ?? ''; |
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466 | } |
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467 | } |
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468 | |||
469 | return ''; |
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470 | } |
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471 | |||
472 | /** |
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473 | * Invalidate all of the manifest caches |
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474 | */ |
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475 | public static function invalidateCaches() |
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476 | { |
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477 | $cache = Craft::$app->getCache(); |
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478 | TagDependency::invalidate($cache, self::CACHE_TAG); |
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479 | Craft::info('All manifest caches cleared', __METHOD__); |
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480 | } |
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481 | |||
482 | /** |
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483 | * Return the contents of a JSON file from a URI path |
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484 | * |
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485 | * @param string $path |
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486 | * |
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487 | * @return null|array |
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488 | */ |
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489 | protected static function getJsonFile(string $path) |
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490 | { |
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491 | return self::getFileFromUri($path, [self::class, 'jsonFileDecode']); |
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492 | } |
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493 | |||
494 | // Protected Static Methods |
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495 | // ========================================================================= |
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496 | |||
497 | /** |
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498 | * Return the contents of a file from a URI path |
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499 | * |
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500 | * @param string $path |
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501 | * @param callable|null $callback |
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502 | * @param bool $pathOnly |
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503 | * |
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504 | * @return null|mixed |
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505 | */ |
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506 | protected static function getFileFromUri(string $path, callable $callback = null, bool $pathOnly = false) |
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507 | { |
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508 | // Resolve any aliases |
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509 | $alias = Craft::getAlias($path, false); |
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510 | if ($alias && is_string($alias)) { |
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511 | $path = $alias; |
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512 | } |
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513 | // If we only want the file via path, make sure it exists |
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514 | if ($pathOnly && !is_file($path)) { |
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515 | Craft::warning(Craft::t( |
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516 | 'twigpack', |
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517 | 'File does not exist: {path}', |
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518 | ['path' => $path] |
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519 | ), __METHOD__); |
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520 | |||
521 | return ''; |
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522 | } |
||
523 | // Make sure it's a full URL |
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524 | if (!UrlHelper::isAbsoluteUrl($path) && !is_file($path)) { |
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525 | try { |
||
526 | $path = UrlHelper::siteUrl($path); |
||
527 | } catch (Exception $e) { |
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528 | Craft::error($e->getMessage(), __METHOD__); |
||
529 | } |
||
530 | } |
||
531 | |||
532 | return self::getFileContents($path, $callback); |
||
533 | } |
||
534 | |||
535 | /** |
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536 | * Return the contents of a file from the passed in path |
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537 | * |
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538 | * @param string $path |
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539 | * @param callable $callback |
||
540 | * |
||
541 | * @return null|mixed |
||
542 | */ |
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543 | protected static function getFileContents(string $path, callable $callback = null) |
||
544 | { |
||
545 | // Return the memoized manifest if it exists |
||
546 | if (!empty(self::$files[$path])) { |
||
547 | return self::$files[$path]; |
||
548 | } |
||
549 | // Create the dependency tags |
||
550 | $dependency = new TagDependency([ |
||
551 | 'tags' => [ |
||
552 | self::CACHE_TAG, |
||
553 | self::CACHE_TAG . $path, |
||
554 | ], |
||
555 | ]); |
||
556 | // Set the cache duration based on devMode |
||
557 | $cacheDuration = Craft::$app->getConfig()->getGeneral()->devMode |
||
558 | ? self::DEVMODE_CACHE_DURATION |
||
559 | : null; |
||
560 | // If we're in `devMode` invalidate the cache immediately |
||
561 | if (Craft::$app->getConfig()->getGeneral()->devMode) { |
||
562 | self::invalidateCaches(); |
||
563 | } |
||
564 | // Get the result from the cache, or parse the file |
||
565 | $cache = Craft::$app->getCache(); |
||
566 | $settings = Twigpack::$plugin->getSettings(); |
||
567 | $cacheKeySuffix = $settings->cacheKeySuffix ?? ''; |
||
568 | $file = $cache->getOrSet( |
||
569 | self::CACHE_KEY . $cacheKeySuffix . $path, |
||
570 | function () use ($path, $callback) { |
||
571 | $result = null; |
||
572 | if (UrlHelper::isAbsoluteUrl($path)) { |
||
573 | /** |
||
574 | * Silly work-around for what appears to be a file_get_contents bug with https |
||
575 | * http://stackoverflow.com/questions/10524748/why-im-getting-500-error-when-using-file-get-contents-but-works-in-a-browser |
||
576 | */ |
||
577 | $opts = [ |
||
578 | 'ssl' => [ |
||
579 | 'verify_peer' => false, |
||
580 | 'verify_peer_name' => false, |
||
581 | ], |
||
582 | 'http' => [ |
||
583 | 'timeout' => 5, |
||
584 | 'ignore_errors' => true, |
||
585 | 'header' => "User-Agent:Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13\r\n", |
||
586 | ], |
||
587 | ]; |
||
588 | $context = stream_context_create($opts); |
||
589 | $contents = @file_get_contents($path, false, $context); |
||
590 | } else { |
||
591 | $contents = @file_get_contents($path); |
||
592 | } |
||
593 | if ($contents) { |
||
594 | $result = $contents; |
||
595 | if ($callback) { |
||
596 | $result = $callback($result); |
||
597 | } |
||
598 | } |
||
599 | |||
600 | return $result; |
||
601 | }, |
||
602 | $cacheDuration, |
||
603 | $dependency |
||
604 | ); |
||
605 | self::$files[$path] = $file; |
||
606 | |||
607 | return $file; |
||
608 | } |
||
609 | |||
610 | /** |
||
611 | * Combined the passed in paths, whether file system or URL |
||
612 | * |
||
613 | * @param string ...$paths |
||
614 | * |
||
615 | * @return string |
||
616 | */ |
||
617 | protected static function combinePaths(string ...$paths): string |
||
618 | { |
||
619 | $last_key = count($paths) - 1; |
||
620 | array_walk($paths, function (&$val, $key) use ($last_key) { |
||
621 | switch ($key) { |
||
622 | case 0: |
||
623 | $val = rtrim($val, '/ '); |
||
624 | break; |
||
625 | case $last_key: |
||
626 | $val = ltrim($val, '/ '); |
||
627 | break; |
||
628 | default: |
||
629 | $val = trim($val, '/ '); |
||
630 | break; |
||
631 | } |
||
632 | }); |
||
633 | |||
634 | $first = array_shift($paths); |
||
635 | $last = array_pop($paths); |
||
636 | $paths = array_filter($paths); |
||
637 | array_unshift($paths, $first); |
||
638 | $paths[] = $last; |
||
639 | |||
640 | return implode('/', $paths); |
||
641 | } |
||
642 | |||
643 | /** |
||
644 | * @param string $error |
||
645 | * @param bool $soft |
||
646 | * |
||
647 | * @throws NotFoundHttpException |
||
648 | */ |
||
649 | protected static function reportError(string $error, $soft = false) |
||
650 | { |
||
651 | $devMode = Craft::$app->getConfig()->getGeneral()->devMode; |
||
652 | if ($devMode && !$soft) { |
||
653 | throw new NotFoundHttpException($error); |
||
654 | } |
||
655 | if (self::$isHot) { |
||
656 | Craft::warning($error, __METHOD__); |
||
657 | } else { |
||
658 | Craft::error($error, __METHOD__); |
||
659 | } |
||
660 | } |
||
661 | |||
662 | // Private Static Methods |
||
663 | // ========================================================================= |
||
664 | |||
665 | /** |
||
666 | * @param string $nonce |
||
667 | * @param string $cspDirective |
||
668 | */ |
||
669 | private static function includeNonce(string $nonce, string $cspDirective) |
||
670 | { |
||
671 | $cspNonceType = self::getCspNonceType(); |
||
672 | if ($cspNonceType) { |
||
673 | $cspValue = "{$cspDirective} 'nonce-$nonce'"; |
||
674 | foreach(self::CSP_HEADERS as $cspHeader) { |
||
675 | switch ($cspNonceType) { |
||
676 | case 'tag': |
||
677 | Craft::$app->getView()->registerMetaTag([ |
||
678 | 'httpEquiv' => $cspHeader, |
||
679 | 'value' => $cspValue, |
||
680 | ]); |
||
681 | break; |
||
682 | case 'header': |
||
683 | Craft::$app->getResponse()->getHeaders()->add($cspHeader, $cspValue . ';'); |
||
684 | break; |
||
685 | default: |
||
686 | break; |
||
687 | } |
||
688 | } |
||
689 | } |
||
690 | } |
||
691 | |||
692 | /** |
||
693 | * @return string|null |
||
694 | */ |
||
695 | private static function getCspNonceType() |
||
696 | { |
||
697 | /** @var Settings $settings */ |
||
698 | $settings = Twigpack::$plugin->getSettings(); |
||
699 | $cspNonceType = !empty($settings->cspNonce) ? strtolower($settings->cspNonce) : null; |
||
700 | |||
701 | return $cspNonceType; |
||
702 | } |
||
703 | |||
704 | /** |
||
705 | * @return string|null |
||
706 | */ |
||
707 | private static function getNonce() |
||
708 | { |
||
709 | $result = null; |
||
710 | if (self::getCspNonceType() !== null) { |
||
711 | try { |
||
712 | $result = bin2hex(random_bytes(22)); |
||
713 | } catch (\Exception $e) { |
||
714 | // That's okay |
||
715 | } |
||
716 | } |
||
717 | |||
718 | return $result; |
||
719 | } |
||
720 | /** |
||
721 | * @param $string |
||
722 | * |
||
723 | * @return null|array |
||
724 | */ |
||
725 | private static function jsonFileDecode($string) |
||
726 | { |
||
727 | $json = JsonHelper::decodeIfJson($string); |
||
728 | if (is_string($json)) { |
||
729 | Craft::error('Error decoding JSON file: ' . $json, __METHOD__); |
||
730 | $json = null; |
||
731 | } |
||
732 | |||
733 | return $json; |
||
734 | } |
||
735 | } |
||
736 |