chore: Rate limit top level of public booking pages (calcom#25056)

* chore: Rate limit top level of public booking pages

* Prefix rateLimit keys

* Adding more rate limits

---------

Co-authored-by: Keith Williams <keithwillcode@gmail.com>

Author: emrysal

apps/web/lib/org/[orgSlug]/[user]/[type]/getServerSideProps.tsx

@@ -2,6 +2,9 @@ import type { GetServerSidePropsContext } from "next";
 import z from "zod";
 
 import { getSlugOrRequestedSlug } from "@calcom/features/ee/organizations/lib/orgDomains";
+import { checkRateLimitAndThrowError } from "@calcom/lib/checkRateLimitAndThrowError";
+import getIP from "@calcom/lib/getIP";
+import { piiHasher } from "@calcom/lib/server/PiiHasher";
 import slugify from "@calcom/lib/slugify";
 import prisma from "@calcom/prisma";
 
@@ -16,6 +19,12 @@ const paramsSchema = z.object({
 });
 
 export const getServerSideProps = async (ctx: GetServerSidePropsContext) => {
+  const requestorIp = getIP(ctx.req as unknown as Request);
+  await checkRateLimitAndThrowError({
+    rateLimitingType: "core",
+    identifier: `[orgSlug]/[user]/[type]-${piiHasher.hash(requestorIp)}`,
+  });
+
   const { user: teamOrUserSlugOrDynamicGroup, orgSlug, type } = paramsSchema.parse(ctx.params);
   const team = await prisma.team.findFirst({
     where: {

apps/web/lib/team/[slug]/[type]/getServerSideProps.tsx

@@ -9,7 +9,10 @@ import { getOrganizationSEOSettings } from "@calcom/features/ee/organizations/li
 import { FeaturesRepository } from "@calcom/features/flags/features.repository";
 import { getBrandingForEventType } from "@calcom/features/profile/lib/getBranding";
 import { shouldHideBrandingForTeamEvent } from "@calcom/features/profile/lib/hideBranding";
+import { checkRateLimitAndThrowError } from "@calcom/lib/checkRateLimitAndThrowError";
 import { getPlaceholderAvatar } from "@calcom/lib/defaultAvatarImage";
+import getIP from "@calcom/lib/getIP";
+import { piiHasher } from "@calcom/lib/server/PiiHasher";
 import slugify from "@calcom/lib/slugify";
 import { prisma } from "@calcom/prisma";
 import type { User } from "@calcom/prisma/client";
@@ -28,6 +31,11 @@ function hasApiV2RouteInEnv() {
 }
 
 export const getServerSideProps = async (context: GetServerSidePropsContext) => {
+  const requestorIp = getIP(context.req as unknown as Request);
+  await checkRateLimitAndThrowError({
+    rateLimitingType: "core",
+    identifier: `team/[slug]/[type]-${piiHasher.hash(requestorIp)}`,
+  });
   const { req, params, query } = context;
   const session = await getServerSession({ req });
   const { slug: teamSlug, type: meetingSlug } = paramsSchema.parse(params);

apps/web/server/lib/[user]/[type]/getServerSideProps.ts

@@ -11,6 +11,9 @@ import type { getPublicEvent } from "@calcom/features/eventtypes/lib/getPublicEv
 import { EventRepository } from "@calcom/features/eventtypes/repositories/EventRepository";
 import { shouldHideBrandingForUserEvent } from "@calcom/features/profile/lib/hideBranding";
 import { UserRepository } from "@calcom/features/users/repositories/UserRepository";
+import { checkRateLimitAndThrowError } from "@calcom/lib/checkRateLimitAndThrowError";
+import getIP from "@calcom/lib/getIP";
+import { piiHasher } from "@calcom/lib/server/PiiHasher";
 import slugify from "@calcom/lib/slugify";
 import { prisma } from "@calcom/prisma";
 import { BookingStatus, RedirectType } from "@calcom/prisma/enums";
@@ -63,6 +66,7 @@ async function processReschedule({
     (booking?.eventTypeId === props.eventData?.id &&
       (booking.status !== BookingStatus.CANCELLED ||
         allowRescheduleForCancelledBooking ||
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
         !!(props.eventData as any)?.allowReschedulingCancelledBookings))
   ) {
     props.booking = booking;
@@ -314,6 +318,12 @@ const paramsSchema = z.object({
 // Booker page fetches a tiny bit of data server side, to determine early
 // whether the page should show an away state or dynamic booking not allowed.
 export const getServerSideProps = async (context: GetServerSidePropsContext) => {
+  const requestorIp = getIP(context.req as unknown as Request);
+  await checkRateLimitAndThrowError({
+    rateLimitingType: "core",
+    identifier: `[user]/[type]-${piiHasher.hash(requestorIp)}`,
+  });
+
   const { user } = paramsSchema.parse(context.params);
   const isDynamicGroup = user.length > 1;
 

apps/web/server/lib/[user]/getServerSideProps.ts

@@ -8,11 +8,14 @@ import { getUsernameList } from "@calcom/features/eventtypes/lib/defaultEvents";
 import { getEventTypesPublic } from "@calcom/features/eventtypes/lib/getEventTypesPublic";
 import { getBrandingForUser } from "@calcom/features/profile/lib/getBranding";
 import { UserRepository } from "@calcom/features/users/repositories/UserRepository";
+import { checkRateLimitAndThrowError } from "@calcom/lib/checkRateLimitAndThrowError";
 import { DEFAULT_DARK_BRAND_COLOR, DEFAULT_LIGHT_BRAND_COLOR } from "@calcom/lib/constants";
 import { getUserAvatarUrl } from "@calcom/lib/getAvatarUrl";
+import getIP from "@calcom/lib/getIP";
 import logger from "@calcom/lib/logger";
 import { markdownToSafeHTML } from "@calcom/lib/markdownToSafeHTML";
 import { safeStringify } from "@calcom/lib/safeStringify";
+import { piiHasher } from "@calcom/lib/server/PiiHasher";
 import { stripMarkdown } from "@calcom/lib/stripMarkdown";
 import { prisma } from "@calcom/prisma";
 import type { EventType, User } from "@calcom/prisma/client";
@@ -79,6 +82,12 @@ type UserPageProps = {
 } & EmbedProps;
 
 export const getServerSideProps: GetServerSideProps<UserPageProps> = async (context) => {
+  // handle IP based rate limiting
+  const requestorIp = getIP(context.req as unknown as Request);
+  await checkRateLimitAndThrowError({
+    rateLimitingType: "core",
+    identifier: `[user]-${piiHasher.hash(requestorIp)}`,
+  });
   const { currentOrgDomain, isValidOrgDomain } = orgDomainConfig(context.req, context.params?.orgSlug);
   const usernameList = getUsernameList(context.query.user as string);
   const isARedirectFromNonOrgLink = context.query.orgRedirection === "true";
@@ -144,8 +153,7 @@ export const getServerSideProps: GetServerSideProps<UserPageProps> = async (cont
     theme: branding.theme,
     brandColor: branding.brandColor ?? DEFAULT_LIGHT_BRAND_COLOR,
     avatarUrl: user.avatarUrl,
-    darkBrandColor:
-      branding.darkBrandColor ?? DEFAULT_DARK_BRAND_COLOR,
+    darkBrandColor: branding.darkBrandColor ?? DEFAULT_DARK_BRAND_COLOR,
     allowSEOIndexing: user.allowSEOIndexing ?? true,
     username: user.username,
     organization: user.profile.organization,