100 lines
3.0 KiB
PHP
100 lines
3.0 KiB
PHP
<?php
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// Start time of the script
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$before = microtime(true); // Start time of the script
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header('Content-type:application/json;charset=utf-8'); // Set the content type to JSON
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error_reporting(E_ERROR); // Hide PHP errors
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$tokens = array("set me"); // Your secret keys
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$uploadDir = "./"; // The upload directory
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$useRandomFileNames = false; // Use random file names instead of the original file name
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$fileNameLength = 8; // The length of the random file name
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/**
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* Check if the token is valid
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*/
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function checkToken($token) {
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global $tokens;
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if (in_array($token, $tokens)) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Generate a random string
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*/
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function generateRandomString($length = 10) {
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$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$charactersLength = strlen($characters);
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$randomString = '';
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for ($i = 0; $i < $length; $i++) {
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$randomString .= $characters[rand(0, $charactersLength - 1)];
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}
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return $randomString;
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}
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/**
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* Return a JSON response
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*/
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function returnJson($status, $message, $timeTaken = null) {
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$json = array('status' => $status, 'url' => $message, 'processingTime' => round($timeTaken, 2) . "ms");
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echo(json_encode($json));
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die();
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}
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$token = $_POST['secret']; // The provided secret key
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$file = $_FILES['sharex']; // The uploaded file
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// Check if the token is valid
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if (!checkToken($token)) {
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$timeTaken = microtime(true) - $before;
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returnJson('ERROR', 'Invalid or missing secret key', $timeTaken);
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die();
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}
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// Check if the file was uploaded
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if (!isset($file)) {
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$timeTaken = microtime(true) - $before;
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returnJson('ERROR', 'No file was uploaded', $timeTaken);
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die();
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}
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$target_file = $_FILES["sharex"]["name"]; // File name
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$fileType = pathinfo($target_file, PATHINFO_EXTENSION); // File extension (e.g. png, jpg, etc.)
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// Check if the file already exists
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if (file_exists($uploadDir . $target_file)) {
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$timeTaken = microtime(true) - $before;
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returnJson('ERROR', 'File already exists', $timeTaken);
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die();
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}
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$shouldSave = true; // Whether or not the file should be saved
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$finalName = $target_file; // The final name of the file
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if ($useRandomFileNames) { // Generate a random file name if enabled
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$finalName = generateRandomString($fileNameLength) . "." . $fileType;
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}
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// Convert the image to webp if applicable
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if (in_array($fileType, array("png", "jpeg", "jpg"))) {
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$image = imagecreatefromstring(file_get_contents($_FILES["sharex"]["tmp_name"]));
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$webp_file = pathinfo($finalName, PATHINFO_FILENAME) . ".webp";
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imagewebp($image, $webp_file, 90);
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imagedestroy($image);
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$finalName = $webp_file;
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$shouldSave = false;
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}
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if ($shouldSave) {
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// Move the file to the uploads folder
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if (move_uploaded_file($_FILES["sharex"]["tmp_name"], $uploadDir . $finalName)) {
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$timeTaken = microtime(true) - $before;
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returnJson('OK', $finalName, $timeTaken);
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} else {
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$timeTaken = microtime(true) - $before;
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returnJson('ERROR', 'File upload failed. Does the folder exist and did you CHMOD the folder?', $timeTaken);
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}
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die();
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}
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returnJson('OK', $finalName, $timeTaken);
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?>
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