1 | <?php |
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2 | |||
3 | namespace LeKoala\DebugBar\Middleware; |
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4 | |||
5 | use LeKoala\DebugBar\DebugBar; |
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6 | use LeKoala\DebugBar\Extension\ProxyDBExtension; |
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7 | use LeKoala\DebugBar\Proxy\SSViewerProxy; |
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8 | use SilverStripe\Control\Middleware\HTTPMiddleware; |
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9 | use SilverStripe\Control\Director; |
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10 | use SilverStripe\Control\HTTPRequest; |
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11 | use SilverStripe\Control\HTTPResponse; |
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12 | use SilverStripe\View\Requirements; |
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13 | |||
14 | class DebugBarMiddleware implements HTTPMiddleware |
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15 | { |
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16 | public function process(HTTPRequest $request, callable $delegate) |
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17 | { |
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18 | $this->beforeRequest($request); |
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19 | $response = $delegate($request); |
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20 | if ($response) { |
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21 | $this->afterRequest($request, $response); |
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22 | } |
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23 | return $response; |
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24 | } |
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25 | |||
26 | /** |
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27 | * Track the start up of the framework boot |
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28 | * |
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29 | * @param HTTPRequest $request |
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30 | */ |
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31 | protected function beforeRequest(HTTPRequest $request) |
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32 | { |
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33 | DebugBar::withDebugBar(function (\DebugBar\DebugBar $debugbar) { |
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34 | /** @var DebugBar\DataCollector\TimeDataCollector $timeData */ |
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35 | $timeData = $debugbar->getCollector('time'); |
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36 | |||
37 | if (!$timeData) { |
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38 | return; |
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39 | } |
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40 | |||
41 | if (isset($_SERVER['REQUEST_TIME_FLOAT'])) { |
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42 | $timeData = $debugbar['time']; |
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43 | $timeData->addMeasure( |
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44 | 'framework boot', |
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45 | $_SERVER['REQUEST_TIME_FLOAT'], |
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46 | microtime(true) |
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47 | ); |
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48 | } |
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49 | $timeData->startMeasure('pre_request', 'pre request'); |
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50 | }); |
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51 | } |
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52 | |||
53 | /** |
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54 | * Inject DebugBar requirements for the frontend |
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55 | * |
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56 | * @param HTTPRequest $request |
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57 | * @param HTTPResponse $response |
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58 | */ |
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59 | protected function afterRequest(HTTPRequest $request, HTTPResponse $response) |
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60 | { |
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61 | $debugbar = DebugBar::getDebugBar(); |
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62 | if (!$debugbar) { |
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63 | return; |
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64 | } |
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65 | DebugBar::setRequest($request); |
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66 | |||
67 | // All queries have been displayed |
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68 | if (DebugBar::getShowQueries()) { |
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69 | exit(); |
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70 | } |
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71 | |||
72 | $script = DebugBar::renderDebugBar(); |
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73 | |||
74 | // If the bar is not renderable, return early |
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75 | if (!$script) { |
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76 | return; |
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77 | } |
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78 | |||
79 | // Inject init script into the HTML response |
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80 | $body = $response->getBody(); |
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81 | if (strpos($body, '</body>') !== false) { |
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82 | if (Requirements::get_write_js_to_body()) { |
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83 | $body = str_replace('</body>', $script . '</body>', $body); |
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84 | } else { |
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85 | // Ensure every js script is properly loaded before firing custom script |
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86 | $script = strip_tags($script); |
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87 | $script = "window.addEventListener('DOMContentLoaded', function() { $script });"; |
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88 | $script = '<script type="application/javascript">//<![CDATA[' . "\n" . $script . "\n</script>"; |
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89 | $body = str_replace('</head>', $script . '</head>', $body); |
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90 | } |
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91 | $response->setBody($body); |
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92 | } |
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93 | |||
94 | // Ajax support |
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95 | if (Director::is_ajax() && !headers_sent()) { |
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96 | if (DebugBar::isAdminUrl() && !DebugBar::config()->get('enabled_in_admin')) { |
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97 | return; |
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98 | } |
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99 | // Skip anything that is not a GET request |
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100 | if (!$request->isGET()) { |
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101 | return; |
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102 | } |
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103 | // Always enable in admin because everything is mostly loaded through ajax |
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104 | if (DebugBar::config()->get('ajax') || DebugBar::isAdminUrl()) { |
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105 | $headers = $debugbar->getDataAsHeaders(); |
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106 | |||
107 | // Prevent throwing js errors in case header size is too large |
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108 | if (is_array($headers)) { |
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109 | $maxHeaderLength = DebugBar::config()->get('max_header_length'); |
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110 | $debugbar->sendDataInHeaders(null, 'phpdebugbar', $maxHeaderLength); |
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111 | } |
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112 | } |
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113 | } |
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114 | } |
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115 | } |
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116 |
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.