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Author SHA1 Message Date
3804b66d1d ack
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/ test-build (push) Has been cancelled
2024-11-19 23:40:21 -07:00
Laura Hausmann
a9886aa46e Fix inline replies on chrome >= 130 only partially being displayed
Signed-off-by: limepotato <limepot@protonmail.ch>
2024-11-19 23:33:00 -07:00
Laura Hausmann
c9d87b5373 Fix inline replies on chrome >= 130
Signed-off-by: limepotato <limepot@protonmail.ch>
2024-11-19 23:30:31 -07:00
mia
3aa57588c1 Use authenticated resolver for poll updates
Signed-off-by: limepotato <limepot@protonmail.ch>
2024-11-19 23:30:26 -07:00
Laura Hausmann
d21fb75592 Apply rate limits to proxyServer and fileServer
This resolves a DoS / DDoS / request amplification attack vector that is being actively exploited.

Signed-off-by: limepotato <limepot@protonmail.ch>
2024-11-19 23:23:41 -07:00
6 changed files with 68 additions and 12 deletions

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@ -1,6 +1,6 @@
{ {
"name": "iceshrimp", "name": "iceshrimp",
"version": "2023.12.9-jormungandr.23", "version": "2023.12.9-jormungandr.23.1",
"repository": { "repository": {
"type": "git", "type": "git",
"url": "https://iceshrimp.dev/limepotato/jormungandr-bite.git" "url": "https://iceshrimp.dev/limepotato/jormungandr-bite.git"

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@ -8,10 +8,8 @@ import type { IPoll } from "@/models/entities/poll.js";
export async function extractPollFromQuestion( export async function extractPollFromQuestion(
source: string | IObject, source: string | IObject,
resolver?: Resolver, resolver: Resolver,
): Promise<IPoll> { ): Promise<IPoll> {
if (resolver == null) resolver = new Resolver();
const question = await resolver.resolve(source); const question = await resolver.resolve(source);
if (!isQuestion(question)) { if (!isQuestion(question)) {
@ -52,7 +50,7 @@ export async function extractPollFromQuestion(
*/ */
export async function updateQuestion( export async function updateQuestion(
value: string | IQuestion, value: string | IQuestion,
resolver?: Resolver, resolver: Resolver,
): Promise<boolean> { ): Promise<boolean> {
const uri = typeof value === "string" ? value : getApId(value); const uri = typeof value === "string" ? value : getApId(value);
@ -68,8 +66,7 @@ export async function updateQuestion(
//#endregion //#endregion
// resolve new Question object // resolve new Question object
const _resolver = resolver ?? new Resolver(); const question = (await resolver.resolve(value)) as IQuestion;
const question = (await _resolver.resolve(value)) as IQuestion;
apLogger.debug(`fetched question: ${JSON.stringify(question, null, 2)}`); apLogger.debug(`fetched question: ${JSON.stringify(question, null, 2)}`);
if (question.type !== "Question") throw new Error("object is not a Question"); if (question.type !== "Question") throw new Error("object is not a Question");

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@ -104,6 +104,8 @@ async function fetchAny(
if (await shouldBlockInstance(extractDbHost(uri))) return null; if (await shouldBlockInstance(extractDbHost(uri))) return null;
const dbResolver = new DbResolver(); const dbResolver = new DbResolver();
const resolver = new Resolver();
resolver.setUser(me);
const [user, note] = await Promise.all([ const [user, note] = await Promise.all([
dbResolver.getUserFromApId(uri), dbResolver.getUserFromApId(uri),
@ -115,7 +117,7 @@ async function fetchAny(
// Update questions if the stored (remote) note contains the poll // Update questions if the stored (remote) note contains the poll
const key = `pollFetched:${note.uri}`; const key = `pollFetched:${note.uri}`;
if ((await redisClient.exists(key)) === 0) { if ((await redisClient.exists(key)) === 0) {
if (await updateQuestion(note.uri)) { if (await updateQuestion(note.uri, resolver)) {
local.object.poll = await populatePoll(note, me?.id ?? null); local.object.poll = await populatePoll(note, me?.id ?? null);
} }
// Allow fetching the poll again after 1 minute // Allow fetching the poll again after 1 minute
@ -126,8 +128,6 @@ async function fetchAny(
} }
// fetching Object once from remote // fetching Object once from remote
const resolver = new Resolver();
resolver.setUser(me);
const object = await resolver.resolve(uri); const object = await resolver.resolve(uri);
// /@user If a URI other than the id is specified, // /@user If a URI other than the id is specified,

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@ -14,7 +14,10 @@ import { detectType } from "@/misc/get-file-info.js";
import { convertToWebp } from "@/services/drive/image-processor.js"; import { convertToWebp } from "@/services/drive/image-processor.js";
import { GenerateVideoThumbnail } from "@/services/drive/generate-video-thumbnail.js"; import { GenerateVideoThumbnail } from "@/services/drive/generate-video-thumbnail.js";
import { StatusError } from "@/misc/fetch.js"; import { StatusError } from "@/misc/fetch.js";
import { FILE_TYPE_BROWSERSAFE } from "@/const.js"; import { FILE_TYPE_BROWSERSAFE, MINUTE } from "@/const.js";
import { IEndpointMeta } from "@/server/api/endpoints.js";
import { getIpHash } from "@/misc/get-ip-hash.js";
import { limiter } from "@/server/api/limiter.js";
const _filename = fileURLToPath(import.meta.url); const _filename = fileURLToPath(import.meta.url);
const _dirname = dirname(_filename); const _dirname = dirname(_filename);
@ -31,6 +34,31 @@ const commonReadableHandlerGenerator =
export default async function (ctx: Koa.Context) { export default async function (ctx: Koa.Context) {
const key = ctx.params.key; const key = ctx.params.key;
// koa will automatically load the `X-Forwarded-For` header if `proxy: true` is configured in the app.
let limitActor: string;
limitActor = getIpHash(ctx.ip);
const limit: IEndpointMeta["limit"] = {
key: `drive-file:${key}`,
duration: MINUTE * 10,
max: 10
}
// Rate limit
await limiter(
limit as IEndpointMeta["limit"] & { key: NonNullable<string> },
limitActor,
).catch((e) => {
const remainingTime = e.remainingTime
? `Please try again in ${e.remainingTime}.`
: "Please try again later.";
ctx.status = 429;
ctx.body = "Rate limit exceeded. " + remainingTime;
});
if (ctx.status == 429) return;
// Fetch drive file // Fetch drive file
const file = await DriveFiles.createQueryBuilder("file") const file = await DriveFiles.createQueryBuilder("file")
.where("file.accessKey = :accessKey", { accessKey: key }) .where("file.accessKey = :accessKey", { accessKey: key })

View file

@ -9,9 +9,12 @@ import { createTemp } from "@/misc/create-temp.js";
import { downloadUrl } from "@/misc/download-url.js"; import { downloadUrl } from "@/misc/download-url.js";
import { detectType } from "@/misc/get-file-info.js"; import { detectType } from "@/misc/get-file-info.js";
import { StatusError } from "@/misc/fetch.js"; import { StatusError } from "@/misc/fetch.js";
import { FILE_TYPE_BROWSERSAFE } from "@/const.js"; import { FILE_TYPE_BROWSERSAFE, MINUTE } from "@/const.js";
import { serverLogger } from "../index.js"; import { serverLogger } from "../index.js";
import { isMimeImage } from "@/misc/is-mime-image.js"; import { isMimeImage } from "@/misc/is-mime-image.js";
import { getIpHash } from "@/misc/get-ip-hash.js";
import { limiter } from "@/server/api/limiter.js";
import { IEndpointMeta } from "@/server/api/endpoints.js";
export async function proxyMedia(ctx: Koa.Context) { export async function proxyMedia(ctx: Koa.Context) {
const url = "url" in ctx.query ? ctx.query.url : `https://${ctx.params.url}`; const url = "url" in ctx.query ? ctx.query.url : `https://${ctx.params.url}`;
@ -21,6 +24,33 @@ export async function proxyMedia(ctx: Koa.Context) {
return; return;
} }
// koa will automatically load the `X-Forwarded-For` header if `proxy: true` is configured in the app.
let limitActor: string;
limitActor = getIpHash(ctx.ip);
const parsedUrl = new URL(url);
const limit: IEndpointMeta["limit"] = {
key: `media-proxy:${parsedUrl.host}:${parsedUrl.pathname}`,
duration: MINUTE * 10,
max: 10
}
// Rate limit
await limiter(
limit as IEndpointMeta["limit"] & { key: NonNullable<string> },
limitActor,
).catch((e) => {
const remainingTime = e.remainingTime
? `Please try again in ${e.remainingTime}.`
: "Please try again later.";
ctx.status = 429;
ctx.body = "Rate limit exceeded. " + remainingTime;
});
if (ctx.status == 429) return;
const { hostname } = new URL(url); const { hostname } = new URL(url);
let resolvedIps; let resolvedIps;
try { try {

View file

@ -79,6 +79,7 @@ const showTicker =
justify-self: flex-end; justify-self: flex-end;
border-radius: var(--radius-big); border-radius: var(--radius-big);
font-size: 0.8em; font-size: 0.8em;
width: 100%;
> .avatar { > .avatar {
width: 3.7em; width: 3.7em;
height: 3.7em; height: 3.7em;