78 lines
2.5 KiB
PHP
78 lines
2.5 KiB
PHP
<?php
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namespace App\MetadataResolver;
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use GuzzleHttp\Client;
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class PixivResolver implements Resolver
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{
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/**
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* @var Client
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*/
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private $client;
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/**
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* @var OGPResolver
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*/
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private $ogpResolver;
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public function __construct(Client $client, OGPResolver $ogpResolver)
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{
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$this->client = $client;
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$this->ogpResolver = $ogpResolver;
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}
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/**
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* 直リン可能な pixiv.cat のプロキシ URL に変換する
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* HUGE THANKS TO PIXIV.CAT!
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*
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* @param string $pixivUrl i.pximg URL
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*
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* @return string i.pixiv.cat URL
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*/
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public function proxize(string $pixivUrl): string
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{
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return str_replace('i.pximg.net', 'i.pixiv.cat', $pixivUrl);
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}
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public function resolve(string $url): Metadata
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{
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parse_str(parse_url($url, PHP_URL_QUERY), $params);
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$illustId = $params['illust_id'];
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$page = 0;
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// 漫画ページ（ページ数はmanga_bigならあるかも）
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if ($params['mode'] === 'manga_big' || $params['mode'] === 'manga') {
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$page = $params['page'] ?? 0;
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}
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$res = $this->client->get('https://www.pixiv.net/ajax/illust/' . $illustId);
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if ($res->getStatusCode() === 200) {
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$json = json_decode($res->getBody()->getContents(), true);
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$metadata = new Metadata();
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$metadata->title = $json['body']['illustTitle'] ?? '';
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$metadata->description = '投稿者: ' . $json['body']['userName'] . PHP_EOL . strip_tags(str_replace('<br />', PHP_EOL, $json['body']['illustComment'] ?? ''));
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$metadata->image = $this->proxize($json['body']['urls']['original'] ?? '');
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// ページ数の指定がある場合は画像URLをそのページにする
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if ($page != 0) {
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$metadata->image = str_replace('_p0', '_p'.$page, $metadata->image);
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}
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// タグ
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if (!empty($json['body']['tags']['tags'])) {
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foreach ($json['body']['tags']['tags'] as $tag) {
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// 一部の固定キーワードは無視
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if (array_search($tag['tag'], ['R-18', 'イラスト', 'pixiv', 'ピクシブ'], true) === false) {
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$metadata->tags[] = preg_replace('/\s/', '_', $tag['tag']);
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}
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}
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}
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return $metadata;
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} else {
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throw new \RuntimeException("{$res->getStatusCode()}: $url");
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}
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}
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}
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