88e3d3e8cb
* DriveService, is-mime-image * static, previewをavifに, アニメーション画像でもthumbnailを生成 * fallback * animated: true * fix * avatarはwebp * revert ?? file.url --------- Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
106 lines
2.9 KiB
TypeScript
106 lines
2.9 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import { summaly } from 'summaly';
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import { DI } from '@/di-symbols.js';
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import type { UsersRepository } from '@/models/index.js';
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import type { Config } from '@/config.js';
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import { MetaService } from '@/core/MetaService.js';
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import { HttpRequestService } from '@/core/HttpRequestService.js';
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import type Logger from '@/logger.js';
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import { query } from '@/misc/prelude/url.js';
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import { LoggerService } from '@/core/LoggerService.js';
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import { bindThis } from '@/decorators.js';
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import type { FastifyRequest, FastifyReply } from 'fastify';
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@Injectable()
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export class UrlPreviewService {
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private logger: Logger;
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constructor(
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@Inject(DI.config)
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private config: Config,
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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private metaService: MetaService,
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private httpRequestService: HttpRequestService,
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private loggerService: LoggerService,
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) {
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this.logger = this.loggerService.getLogger('url-preview');
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}
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@bindThis
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private wrap(url?: string | null): string | null {
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return url != null
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? url.match(/^https?:\/\//)
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? `${this.config.mediaProxy}/preview.avif?${query({
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url,
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preview: '1',
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})}`
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: url
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: null;
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}
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@bindThis
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public async handle(
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request: FastifyRequest<{ Querystring: { url: string; lang: string; } }>,
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reply: FastifyReply,
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) {
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const url = request.query.url;
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if (typeof url !== 'string') {
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reply.code(400);
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return;
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}
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const lang = request.query.lang;
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if (Array.isArray(lang)) {
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reply.code(400);
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return;
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}
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const meta = await this.metaService.fetch();
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this.logger.info(meta.summalyProxy
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? `(Proxy) Getting preview of ${url}@${lang} ...`
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: `Getting preview of ${url}@${lang} ...`);
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try {
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const summary = meta.summalyProxy ?
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await this.httpRequestService.getJson<ReturnType<typeof summaly>>(`${meta.summalyProxy}?${query({
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url: url,
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lang: lang ?? 'ja-JP',
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})}`)
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:
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await summaly(url, {
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followRedirects: false,
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lang: lang ?? 'ja-JP',
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agent: {
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http: this.httpRequestService.httpAgent,
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https: this.httpRequestService.httpsAgent,
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},
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});
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this.logger.succ(`Got preview of ${url}: ${summary.title}`);
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if (summary.url && !(summary.url.startsWith('http://') || summary.url.startsWith('https://'))) {
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throw new Error('unsupported schema included');
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}
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if (summary.player?.url && !(summary.player.url.startsWith('http://') || summary.player.url.startsWith('https://'))) {
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throw new Error('unsupported schema included');
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}
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summary.icon = this.wrap(summary.icon);
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summary.thumbnail = this.wrap(summary.thumbnail);
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// Cache 7days
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reply.header('Cache-Control', 'max-age=604800, immutable');
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return summary;
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} catch (err) {
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this.logger.warn(`Failed to get preview of ${url}: ${err}`);
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reply.code(200);
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reply.header('Cache-Control', 'max-age=86400, immutable');
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return {};
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}
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}
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}
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