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Ci-en: JWTから有効期限を取得する

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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
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14
app/MetadataResolver/CienResolver.php
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@@ -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;
}