99 lines
3.6 KiB
PHP
99 lines
3.6 KiB
PHP
<?php
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namespace App\Controllers;
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use App\Helpers\ErrorHandler;
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use App\Helpers\Misc;
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use App\Helpers\UrlBuilder;
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/**
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* Used to be compatible with HTML forms
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*/
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class RedirectController {
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public static function search() {
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$endpoint = '/';
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if (isset($_GET['type'], $_GET['term'])) {
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$term = trim($_GET['term']);
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switch ($_GET['type']) {
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case 'url':
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$endpoint = self::to_endpoint($term);
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if (!$endpoint) {
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ErrorHandler::showText(400, 'Invalid TikTok URL');
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return;
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}
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break;
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case 'user':
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// Remove @ if sent
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if ($term[0] === '@') {
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$term = substr($term, 1);
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}
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$endpoint = '/@' . urlencode($term);
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break;
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case 'tag':
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// Remove # if sent
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if ($term[0] === '#') {
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$term = substr($term, 1);
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}
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$endpoint = '/tag/' . urlencode($term);
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break;
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case 'music':
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$endpoint = '/music/' . urlencode($term);
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break;
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case 'video':
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// The @username part is not used, but
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// it is the schema that TikTok follows
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$endpoint = '/@placeholder/video/' . urlencode($term);
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break;
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}
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}
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$url = Misc::url($endpoint);
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header("Location: {$url}");
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}
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public static function download() {
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if (!(isset($_GET['videoId'], $_GET['authorUsername'], $_GET['playAddr']))) {
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ErrorHandler::showText(400, 'Request incomplete');
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return;
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}
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$watermark = isset($_GET['watermark']) && $_GET['watermark'] === 'yes' ? true : false;
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$url = '';
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if ($watermark) {
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$url = UrlBuilder::download($_GET['playAddr'], $_GET['authorUsername'], $_GET['videoId'], true);
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} else {
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$url = UrlBuilder::download(UrlBuilder::video_external($_GET['authorUsername'], $_GET['videoId']), $_GET['authorUsername'], $_GET['videoId'], false);
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}
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header("Location: {$url}");
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}
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/**
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* to_endpoint maps a TikTok URL into a ProxiTok-compatible endpoint URL.
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*/
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static private function to_endpoint(string $url): string {
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if (preg_match('%^(?:https?://)?(?:www\.)?(?:vm\.|vt\.)?tiktok\.com/(?:t/)?([A-Za-z0-9]+)%', $url, $m)) {
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// Short video URL
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return '/@placeholder/video/' . $m[1];
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} elseif (preg_match('%^https://www\.tiktok\.com/(.+)%', $url, $m)) {
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// Username component (which may indicate a user profile URL or a video URL)
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if (preg_match('%^(@[A-Za-z0-9_.]+)(?:/|$)(.*)%', $m[1], $u)) {
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if ($u[2] == '') {
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// User profile URL
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return '/' . urlencode($u[1]);
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} elseif (preg_match('%^video/(\d+)%', $u[2], $v)) {
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// Video URL
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return '/' . urlencode($u[1]) . '/video/' . urlencode($v[1]);
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}
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} elseif (preg_match('%^tag/([^ ]+?)(?:/|$)%', $m[1], $t)) {
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// Tag URL
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return '/tag/' . urlencode($t[1]);
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} elseif (preg_match('%^music/([^ ]+?)(?:/|$)%', $m[1], $m)) {
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// Music URL
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return '/music/' . urlencode($m[1]);
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}
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}
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return '';
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}
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}
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