89 lines
3.5 KiB
PHP
89 lines
3.5 KiB
PHP
<?php
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namespace App\MetadataResolver;
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use Illuminate\Support\Facades\Log;
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class PixivResolver implements Resolver
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{
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public function thumbnail_to_master_url(string $url):string {
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// 最大長辺 1200 の画像に変換
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$url = str_replace("/c/128x128", "", $url);
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$url = str_replace("square1200.jpg", "master1200.jpg", $url);
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return $url;
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}
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public function proxize(string $url):string {
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// pixiv.cat のプロキシ URL に変換する
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$url = str_replace("i.pximg.net", "i.pixiv.cat", $url);
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return $url;
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}
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public function resolve(string $url): Metadata
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{
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preg_match("~illust_id=(\d+)~", parse_url($url)["query"], $illust_id);
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$illust_id = $illust_id[1];
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// 漫画ページかつページ数あり
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if (strpos(parse_url($url)["query"], "mode=manga_big") && strpos(parse_url($url)["query"], "page=")) {
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preg_match("~page=(\d+)~", parse_url($url)["query"], $match);
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$page = $match[1];
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// 未ログインでは漫画ページを開けないため、URL を作品ページに変換する
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Log::debug($url);
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$url = str_replace("mode=manga_big", "mode=medium", $url);
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Log::debug($url);
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$client = new \GuzzleHttp\Client();
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$res = $client->get($url);
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if ($res->getStatusCode() === 200) {
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$ogpResolver = new OGPResolver();
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$metadata = $ogpResolver->parse($res->getBody());
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preg_match("~https://i\.pximg\.net/c/128x128/img-master/img/\d{4}/\d{2}/\d{2}/\d{2}/\d{2}/\d{2}/{$illust_id}_p0_square1200\.jpg~", $res->getBody(), $match);
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$illust_thumbnail_url = $match[0];
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Log::debug($illust_thumbnail_url);
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$illust_url = $this->thumbnail_to_master_url($illust_thumbnail_url);
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Log::debug($illust_url);
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// 指定ページに変換
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$illust_url = str_replace("p0_master", "p{$page}_master", $illust_url);
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Log::debug($illust_url);
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$metadata->image = $this->proxize($illust_url);;
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return $metadata;
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} else {
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throw new \RuntimeException("{$res->getStatusCode()}: $url");
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}
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}else {
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$client = new \GuzzleHttp\Client();
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$res = $client->get($url);
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if ($res->getStatusCode() === 200) {
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$ogpResolver = new OGPResolver();
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$metadata = $ogpResolver->parse($res->getBody());
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// OGP がデフォルト画像であるようならなんとかして画像を取得する
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if (strpos($metadata->image, "pixiv_logo.gif") || strpos($metadata->image, "pictures.jpg")) {
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// 作品ページの場合のみ対応
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if(strpos(parse_url($url)["query"], "mode=medium")){
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preg_match("~https://i\.pximg\.net/c/128x128/img-master/img/\d{4}/\d{2}/\d{2}/\d{2}/\d{2}/\d{2}/{$illust_id}(_p0)?_square1200\.jpg~", $res->getBody(), $match);
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$illust_thumbnail_url = $match[0];
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$illust_url = $this->thumbnail_to_master_url($illust_thumbnail_url);
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$metadata->image = $this->proxize($illust_url);;
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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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}
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