Ci-en: JWTから有効期限を取得する

This commit is contained in:
shibafu 2020-10-17 14:01:28 +09:00
parent 0bc546ac64
commit e74a9675ce
3 changed files with 208 additions and 132 deletions

View File

@ -27,12 +27,18 @@ class CienResolver extends MetadataResolver
$res = $this->client->get($url);
$metadata = $this->ogpResolver->parse((string) $res->getBody());
// 画像URLから有効期限の起点を拾う
// 画像URLのJWTから有効期限を拾う
parse_str(parse_url($metadata->image, PHP_URL_QUERY), $params);
if (empty($params['px-time'])) {
throw new \RuntimeException('Parameter "px-time" not found. Image=' . $metadata->image . ' Source=' . $url);
if (empty($params['jwt'])) {
throw new \RuntimeException('Parameter "jwt" not found. Image=' . $metadata->image . ' Source=' . $url);
}
$metadata->expires_at = Carbon::createFromTimestamp($params['px-time'])->addHour(1);
$parts = explode('.', $params['jwt']);
if (count($parts) !== 3) {
throw new \RuntimeException('Invalid jwt. Image=' . $metadata->image . ' Source=' . $url);
}
$payload = json_decode(base64_decode(str_replace(['-', '_'], ['+', '/'], $parts[1])), true);
$metadata->expires_at = Carbon::createFromTimestamp($payload['exp']);
return $metadata;
}

View File

@ -25,12 +25,12 @@ class CienResolverTest extends TestCase
$this->createResolver(CienResolver::class, $responseText);
$metadata = $this->resolver->resolve('https://ci-en.dlsite.com/creator/2462/article/87502');
$this->assertSame('進捗とボツ立ち絵', $metadata->title);
$this->assertSame('ドット製D ACTを製作しています。' . PHP_EOL . '恐ろしい存在に襲われる絶望感や、被虐的な官能がテーマです。', $metadata->description);
$this->assertStringStartsWith('https://media.ci-en.jp/private/attachment/creator/00002462/a7afd3b02a6d1caa6afe6a3bf5550fb6a42aefba686f17a0a2f63c97fd6867ab/image-800.jpg?px-time=', $metadata->image);
$this->assertSame('進捗とボツ立ち絵 - ねんない5 - Ci-enシエン', $metadata->title);
$this->assertSame('今日のサムネイルはストアページに掲載する予定のキャラクター紹介画像です。 ドットでない解像度の高いイラストは時間も体力も精神力もかかるので、こういうのを行うタスクを開発終盤に残さないでよかったと本気……', $metadata->description);
$this->assertStringStartsWith('https://media.ci-en.jp/private/attachment/creator/00002462/a7afd3b02a6d1caa6afe6a3bf5550fb6a42aefba686f17a0a2f63c97fd6867ab/image-800.jpg?jwt=', $metadata->image);
if ($this->shouldUseMock()) {
$this->assertSame('https://media.ci-en.jp/private/attachment/creator/00002462/a7afd3b02a6d1caa6afe6a3bf5550fb6a42aefba686f17a0a2f63c97fd6867ab/image-800.jpg?px-time=1568231879&px-hash=70c57e9a73d5afb4ac5363d1f37a851af8e0cb1f', $metadata->image);
$this->assertSame(1568235479, $metadata->expires_at->timestamp);
$this->assertSame('https://media.ci-en.jp/private/attachment/creator/00002462/a7afd3b02a6d1caa6afe6a3bf5550fb6a42aefba686f17a0a2f63c97fd6867ab/image-800.jpg?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJrZXkiOiJqd3RhdXRoX3NlY18yMDIwT2N0IiwiaXNzIjoiaHR0cHM6XC9cL2NpLWVuLmRsc2l0ZS5jb21cLyIsInN1YiI6IjAwMDAwMDAwMDAwIiwiYXVkIjoiYTdhZmQzYjAyYTZkMWNhYTZhZmU2YTNiZjU1NTBmYjZhNDJhZWZiYTY4NmYxN2EwYTJmNjNjOTdmZDY4NjdhYiIsImV4cCI6MTYwMjk5NTIyMX0.bXUG2T6nXl4hdvsvt1wkIMvbbBdsKk-xbwB6SaxARZA', $metadata->image);
$this->assertSame(1602995221, $metadata->expires_at->timestamp);
$this->assertSame('https://ci-en.dlsite.com/creator/2462/article/87502', (string) $this->handler->getLastRequest()->getUri());
}
}
@ -41,7 +41,7 @@ class CienResolverTest extends TestCase
$this->createResolver(CienResolver::class, $responseText);
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Parameter "px-time" not found. Image=https://ci-en.dlsite.com/assets/img/common/logo_Ci-en_R18.svg Source=https://ci-en.dlsite.com/');
$this->expectExceptionMessage('Parameter "jwt" not found. Image=https://ci-en.dlsite.com/assets/img/common/logo_Ci-en_R18.svg Source=https://ci-en.dlsite.com/');
$this->resolver->resolve('https://ci-en.dlsite.com/');
}

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