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YieldRay
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Mar 25, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,95 +1,54 @@ | ||
| <?php | ||
| const ALLOW_OUTPUT = false; // 修改以开启 | ||
| const ERROR_IMG = [ | ||
| 404 => 'https://http.cat/404', | ||
| 503 => 'https://http.cat/503' | ||
| ]; | ||
|
|
||
| const ALLOW_RAW_OUTPUT = true; | ||
| // 是否开启 ?raw 选项，可能会消耗服务器较多流量 | ||
|
|
||
| function has_query($query) | ||
| { | ||
| return isset($_GET[$query]); | ||
| } | ||
| if (file_exists('../url.csv')) { | ||
| $url = file('../url.csv', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); | ||
| $imgs_array = file('../url.csv', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); | ||
| } else { | ||
| $url = file('http://' . $_SERVER['HTTP_HOST'] . '/url.csv', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); | ||
| $imgs_array = file('http://' . $_SERVER['HTTP_HOST'] . '/url.csv', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); | ||
| } | ||
|
|
||
| if (empty($url[0])) { | ||
| $code = 503; | ||
| $target_url = ERROR_IMG[503]; | ||
| if (count($imgs_array) == 0) { | ||
| $imgs_array = ['https://http.cat/503']; | ||
| } | ||
|
|
||
|
|
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| $id = $_REQUEST['id']; | ||
| $type = $_REQUEST['type']; | ||
| $length = count($url); | ||
| $final_id = array_rand($url); | ||
| $is_idValid = false; | ||
|
|
||
| if (isset($id)) { | ||
| $id = 0; | ||
| if (is_numeric($_GET['id'])) { | ||
| header('Cache-Control: public, max-age=86400'); | ||
| if (is_numeric($id)) { | ||
| settype($id, 'integer'); | ||
| if ($is_idValid = is_int($id)) { | ||
| $final_id = $id; // id是整数 | ||
| } | ||
| global $id; | ||
| $id = $_GET['id']; | ||
| settype($id, 'int'); | ||
| $len = count($imgs_array); | ||
| if ($id >= $len || $id < 0) { | ||
| $id = array_rand($imgs_array); | ||
| } | ||
| } else { | ||
| header('Cache-Control: no-cache'); | ||
| $id = array_rand($imgs_array); | ||
| } | ||
|
|
||
|
|
||
|
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| if (!$code && $is_idValid && $final_id > $length) { | ||
| // 超过最大数 | ||
| $code = 404; | ||
| $target_url = ERROR_IMG[404]; | ||
| } else { | ||
| $code = 200; | ||
| $target_url = $url[$final_id]; | ||
| if (has_query('json')) { | ||
| header('Access-Control-Allow-Origin: *'); | ||
| header('Content-Type: application/json'); | ||
| echo json_encode(['id' => $id, 'url' => $imgs_array[$id]]); | ||
| exit(); | ||
| } | ||
|
|
||
| /** | ||
| * Variables for OUTPUT | ||
| * $code | ||
| * $target_url final url | ||
| * $length amount of images | ||
| */ | ||
| header('Access-Control-Max-Age: 86400'); // 1day | ||
| header('Access-Control-Allow-Origin: *'); | ||
|
|
||
| switch ($type) { | ||
| case 'length': | ||
| echo $length; | ||
| break; | ||
| case 'json': | ||
| $result = [ | ||
| 'code' => $code, | ||
| 'url' => $target_url | ||
| ]; | ||
| header('Content-Type: text/json'); | ||
| echo json_encode($result); | ||
| break; | ||
| case 'JSON': | ||
| $result = [ | ||
| 'code' => $code, | ||
| 'url' => $target_url | ||
| ]; | ||
| $imageInfo = getimagesize($target_url); | ||
| $imageSize = get_headers($target_url, 1)['Content-Length']; | ||
| $result['width'] = $imageInfo[0]; | ||
| $result['height'] = $imageInfo[1]; | ||
| $result['mime'] = $imageInfo['mime']; | ||
| $result['size'] = $imageSize; | ||
| header('Content-Type: text/json'); | ||
| echo json_encode($result); | ||
| break; | ||
| case 'output': | ||
| header($header); | ||
| if (ALLOW_OUTPUT) { | ||
| header('Content-Type: image/png'); | ||
| echo file_get_contents($target_url); | ||
| } else { | ||
| die('disabled'); | ||
| } | ||
| break; | ||
| default: | ||
| header('Location: ' . $target_url); | ||
| if (has_query('raw')) { | ||
| if (!ALLOW_RAW_OUTPUT) { | ||
| header('HTTP/1.1 403 Forbidden'); | ||
| exit(); | ||
| } | ||
| header('Content-Type: image/png'); | ||
| echo file_get_contents($imgs_array[$id]); | ||
| exit(); | ||
| } else { | ||
| header('Location: ' . $imgs_array[$id]); | ||
| } |
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