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v12.23Q4.4
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,24 +1,88 @@ | ||
| import * as fs from "node:fs"; | ||
| import * as querystring from "querystring"; | ||
| import Koa from "koa"; | ||
| import config from "@/config/index.js"; | ||
| import { IImage, convertToWebp } from "@/services/drive/image-processor.js"; | ||
| import { createTemp } from "@/misc/create-temp.js"; | ||
| import { downloadUrl } from "@/misc/download-url.js"; | ||
| import { detectType } from "@/misc/get-file-info.js"; | ||
| import { StatusError } from "@/misc/fetch.js"; | ||
| import { FILE_TYPE_BROWSERSAFE } from "@/const.js"; | ||
| import { isMimeImage } from "@/misc/is-mime-image.js"; | ||
| import { serverLogger } from "../index.js"; | ||
|
|
||
| // eslint-disable-next-line @typescript-eslint/explicit-function-return-type | ||
| export async function proxyMedia(ctx: Koa.Context) { | ||
| let redirectUrl: string; | ||
|
|
||
| // 本家仕様にするの面倒なのでとりあえず未設定でもどっかのプロキシに投げる | ||
| if (config.mediaProxy == null) { | ||
| redirectUrl = "https://proxy.sda1.net/"; | ||
| if (config.mediaProxy == null || ctx.query.mustOrigin === "1") { | ||
| // MediaProxyを使わない場合 | ||
| const url = "url" in ctx.query ? ctx.query.url : "https://" + ctx.params.url; | ||
|
|
||
| if (typeof url !== "string") { | ||
| ctx.status = 400; | ||
| return; | ||
| } | ||
|
|
||
| // Create temp file | ||
| const [path, cleanup] = await createTemp(); | ||
|
|
||
| try { | ||
| await downloadUrl(url, path); | ||
|
|
||
| const { mime, ext } = await detectType(path); | ||
| const isConvertibleImage = isMimeImage(mime, "sharp-convertible-image"); | ||
|
|
||
| let image: IImage; | ||
|
|
||
| if ("static" in ctx.query && isConvertibleImage) { | ||
| image = await convertToWebp(path, 498, 280); | ||
| } else if ("preview" in ctx.query && isConvertibleImage) { | ||
| image = await convertToWebp(path, 200, 200); | ||
| } else if ("avatar" in ctx.query && isConvertibleImage) { | ||
| image = await convertToWebp(path, 320, 320); | ||
| } else if ("ticker" in ctx.query && isConvertibleImage) { | ||
| image = await convertToWebp(path, 64, 64); | ||
| } else if ("thumbnail" in ctx.query && isConvertibleImage) { | ||
| image = await convertToWebp(path, 500, 400); | ||
| } else if ("badge" in ctx.query && isConvertibleImage) { | ||
| image = await convertToWebp(path, 96, 96); | ||
| } else if (mime === "image/svg+xml") { | ||
| image = await convertToWebp(path, 2048, 2048, 1); | ||
| } else if (!mime.startsWith("image/") || !FILE_TYPE_BROWSERSAFE.includes(mime)) { | ||
| throw new StatusError("Rejected type", 403, "Rejected type"); | ||
| } else { | ||
| image = { | ||
| data: fs.readFileSync(path), | ||
| ext, | ||
| type: mime, | ||
| }; | ||
| } | ||
|
|
||
| ctx.set("Content-Type", image.type); | ||
| ctx.set("Cache-Control", "max-age=31536000, immutable"); | ||
| ctx.body = image.data; | ||
| } catch (e) { | ||
| serverLogger.error(`${e}`); | ||
|
|
||
| if (e instanceof StatusError && (e.statusCode === 302 || e.isClientError)) { | ||
| ctx.status = e.statusCode; | ||
| } else { | ||
| ctx.status = 500; | ||
| } | ||
| } finally { | ||
| cleanup(); | ||
| } | ||
| } else { | ||
| // 外部のMediaProxyを使うはずなのにこっちに誘導されたならリダイレクト | ||
| redirectUrl = config.mediaProxy; | ||
| } | ||
| // パスとパラメータを取得 | ||
| const { path, query } = ctx.request; | ||
| const queryString = querystring.stringify(query); | ||
|
|
||
| // パスとパラメータを取得 | ||
| const { path, query } = ctx.request; | ||
| const queryString = querystring.stringify(query); | ||
| // パスとパラメータを維持してリダイレクト | ||
| const targetUrl = redirectUrl + path + (queryString ? `?${queryString}` : ""); | ||
|
|
||
| // パスとパラメータを維持してリダイレクト | ||
| const targetUrl = redirectUrl + path + (queryString ? `?${queryString}` : ""); | ||
|
|
||
| ctx.redirect(targetUrl); | ||
| ctx.redirect(targetUrl); | ||
| } | ||
| } |
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