feat(communication): add chat reactions emojis and images

backend/tests/collaborationFederation.test.ts

@@ -1,7 +1,8 @@
 import assert from "node:assert/strict"
 import test from "node:test"
-import { generateKeyPairSync, randomUUID } from "node:crypto"
+import { generateKeyPairSync, randomBytes, randomUUID } from "node:crypto"
 import Fastify from "fastify"
+import sharp from "sharp"
 import { CollaborationService } from "../src/modules/collaboration/service"
 import { FederationService, federationRoutes } from "../src/modules/collaboration/federation"
 import { instanceUrl, publicAddress, signedHeaders, verifyHeaders, Transport } from "../src/modules/collaboration/transport"
@@ -104,6 +105,38 @@ test("two independent instances exchange invitations and messages through signed
             const history = (await b.federation.memberRequest(b.ctx, bindingId, "messages")).result.messages
             assert.deepEqual(history.map((m: any) => m.body), ["Unpolled owner message", command.text])
         })
+        await t.test("image-only messages and reactions cross signed routes, including retries and history restrictions", async () => {
+            const mediaRoom = await a.service.createRoom(a.ctx, { name: "Media" })
+            const image = { name: "Foto.webp", dataUrl: `data:image/webp;base64,${(await sharp(randomBytes(700 * 500 * 3), { raw: { width: 700, height: 500, channels: 3 } }).webp({ quality: 85 }).toBuffer()).toString('base64')}` }
+            assert.ok(image.dataUrl.length > 128 * 1024)
+            const old = await a.service.send(a.ctx.principal, mediaRoom.id, { clientId: randomUUID(), image })
+            const invitation = await a.service.invite(a.ctx, mediaRoom.id, contact, {})
+            const job = (await a.pool.query("SELECT * FROM collaboration_outbox WHERE dedup_key=$1", [`invite:${invitation.id}`])).rows[0]
+            await a.federation.deliver(job)
+            const binding = (await b.federation.list(b.ctx)).invitations.find(i => i.name === "Media")!.id
+            await b.federation.accept(b.ctx, binding)
+            await assert.rejects(b.federation.memberRequest(b.ctx, binding, "image", { messageId: old.id }), /kein Zugriff/)
+            const command = { clientId: randomUUID(), image }
+            loseReply = true
+            assert.equal((await b.federation.memberRequest(b.ctx, binding, "send", command)).result.pending, true)
+            const confirmed = (await b.federation.memberRequest(b.ctx, binding, "send", command)).result
+            assert.ok(confirmed.seq)
+            assert.equal(confirmed.body, "")
+            assert.equal(confirmed.image.dataUrl, undefined)
+            assert.equal((await a.service.messages(a.ctx.principal, mediaRoom.id)).messages.length, 2)
+            const photo = (await b.federation.memberRequest(b.ctx, binding, "image", { messageId: confirmed.id })).result
+            assert.match(photo.dataUrl, /^data:image\/webp;base64,/)
+            await b.federation.memberRequest(b.ctx, binding, "react", { messageId: confirmed.id, emoji: "🎉", active: true })
+            await a.service.react(a.ctx.principal, mediaRoom.id, { messageId: confirmed.id, emoji: "🎉", active: true })
+            const reactions = (await b.federation.memberRequest(b.ctx, binding, "reactions", { ids: confirmed.id })).result.reactions
+            assert.deepEqual(reactions[confirmed.id], [{ emoji: "🎉", count: 2, own: true }])
+            await b.federation.memberRequest(b.ctx, binding, "react", { messageId: confirmed.id, emoji: "🎉", active: false })
+            assert.deepEqual((await a.service.reactions(a.ctx.principal, mediaRoom.id, { ids: confirmed.id })).reactions[confirmed.id], [{ emoji: "🎉", count: 1, own: true }])
+            const member = (await a.service.management(a.ctx, mediaRoom.id)).members.find(m => m.principalId === contact.id)
+            await a.service.revoke(a.ctx, mediaRoom.id, member.id)
+            await assert.rejects(b.federation.memberRequest(b.ctx, binding, "image", { messageId: confirmed.id }), /kein Zugriff/)
+            await assert.rejects(b.federation.memberRequest(b.ctx, binding, "react", { messageId: confirmed.id, emoji: "🎉", active: true }))
+        })
         await t.test("only explicit overview is live-shared; offline cache omits it", async () => {
             await a.service.updateRoom(a.ctx, room.id, { overview: { title: "Freigegeben", description: "Treffpunkt Tor 2" } })
             const live = await b.federation.memberRequest(b.ctx, bindingId, "room")