实现 sessionserver

README.MD

@@ -15,7 +15,8 @@
 #### Beta 1.0: 
 - [ ] 基础世界树 API
   + [x] /authserver
-  + [ ] /sessionserver
+  + [x] /sessionserver
+    + [ ] 测试
   + [ ] /api
 - [ ] 进阶 API
   - [ ] 皮肤上传和安全检查

src/hooks.js

@@ -1,6 +1,6 @@
 
 export async function headerValidation(req, rep) {
-    if(!(/(authserver)|(sessionserver)|(api)/g).test(req.url)) {
+    if(!(/(authserver)|(sessionserver)|(api)/g).test(req.url) || req.method !== 'POST') {
         return
     }
     

src/index.js

@@ -3,6 +3,7 @@ import { mongoose } from 'mongoose'
 import { registerModels } from './models/index.js';
 import * as Hooks from './hooks.js'
 import * as AuthenticateRoutings from './routes/authenticate.js'
+import * as SessionServerRoutings from './routes/session.js'
 import { config } from './config.js'
 
 export const server = fastify({
@@ -34,6 +35,9 @@ export const setup = async () => {
     server.route(AuthenticateRoutings.invalidate)
     server.route(AuthenticateRoutings.signout)
 
+    server.route(SessionServerRoutings.join)
+    server.route(SessionServerRoutings.hasJoined)
+
     config.custom.postRouting(server)
 
     /*

src/models/player.js

@@ -1,5 +1,6 @@
 import mongoose from 'mongoose'
 const { Schema } = mongoose
+import { uuidToNoSymboUUID } from '../generator.js'
 
 export const PlayerSchema = new Schema({
     username: String, // 有符号 UUID
@@ -64,4 +65,38 @@ export const PlayerAccountSerializationSchema = {
             }
         }
     }
+}
+
+export function getPlayerSerialization(player) {
+    const textures = {
+        timestamp: 0,
+        profileId: uuidToNoSymboUUID(player.uuid),
+        profileName: player.username,
+        textures: { }
+    }
+
+    if(player.textures.skin && player.textures.skin != 0) { // Must be '!=' if this change to '!==' will never works
+        textures.textures.SKIN = {
+            url: player.textures.skin,
+            metadata
+        }
+    }
+
+    if(player.textures.skin && player.textures.skin != 0) { // Must be '!=' if this change to '!==' will never works
+        textures.textures.CAPE = {
+            url: player.textures.cape,
+            metadata
+        }
+    }
+
+    return {
+        uuid: uuidToNoSymboUUID(player.uuid),
+        name: player.username,
+        properties: [
+            { 
+                name: "texturs",
+                value: Buffer.from(JSON.stringify(textures)).toString('base64')
+            }
+        ]
+    }
 }

src/routes/authenticate.js

@@ -60,7 +60,7 @@ export const authenticate = {
         let { username, password, clientToken, requestUser, agent } = req.body
 
         if(!username || !password || !agent || agent.name.toLowerCase() !== 'minecraft') {
-            rep.code(418).send({
+            return await rep.code(418).send({
                 error: "ForbiddenOperationException",
                 errorMessage: "无效应用名，此服务端仅支援 Minecraft",
                 cause: "此服务器只支持 agent.name: minecraft"
@@ -94,37 +94,7 @@ export const authenticate = {
             ]
         }
 
-        const textures = {
-            timestamp: 0,
-            profileId: uuidToNoSymboUUID(player.uuid),
-            profileName: player.username,
-            textures: { }
-        }
-
-        if(player.textures.skin && player.textures.skin != 0) { // Must be '!=' if this change to '!==' will never works
-            textures.textures.SKIN = {
-                url: player.textures.skin,
-                metadata
-            }
-        }
-
-        if(player.textures.skin && player.textures.skin != 0) { // Must be '!=' if this change to '!==' will never works
-            textures.textures.CAPE = {
-                url: player.textures.cape,
-                metadata
-            }
-        }
-
-        const profile = {
-            uuid: uuidToNoSymboUUID(player.uuid),
-            name: player.username,
-            properties: [
-                { 
-                    name: "texturs",
-                    value: Buffer.from(JSON.stringify(textures)).toString('base64')
-                }
-            ]
-        }
+        const profile = PlayerModel.getPlayerSerialization(player)
 
         new this.models.Token({
             uuid: player.uuid,
@@ -257,37 +227,7 @@ export const refresh = {
             }
 
             if(selectedProfile) {
-                const textures = {
-                    timestamp: 0,
-                    profileId: uuidToNoSymboUUID(player.uuid),
-                    profileName: player.username,
-                    textures: { }
-                }
-        
-                if(player.textures.skin && player.textures.skin != 0) { // Must be '!=' if this change to '!==' will never works
-                    textures.textures.SKIN = {
-                        url: player.textures.skin,
-                        metadata
-                    }
-                }
-        
-                if(player.textures.skin && player.textures.skin != 0) { // Must be '!=' if this change to '!==' will never works
-                    textures.textures.CAPE = {
-                        url: player.textures.cape,
-                        metadata
-                    }
-                }
-
-                response.selectedProfile = {
-                    uuid: uuidToNoSymboUUID(uuid),
-                    name: player.username,
-                    properties: [
-                        { 
-                            name: "texturs",
-                            value: Buffer.from(JSON.stringify(textures)).toString('base64')
-                        }
-                    ]
-                }
+                response.selectedProfile = PlayerModel.getPlayerSerialization(player)
             }
         }
         

src/routes/session.js

@@ -0,0 +1,162 @@
+import { getOverrideHandler, getOverridePreHandler } from '../config.js'
+import { toSymboUUID } from '../generator'
+import { getPlayerSerialization, PlayerSeriliazationSchema } from '../models/player'
+
+/*
+    Key: string Username
+    Value: {
+        accessToken: string,
+        serverId: string,
+        ip: string
+    }
+*/
+const joinServerRequest = new Map()
+
+export const join = {
+    method: 'POST',
+    url: '/sessionserver/session/minecraft/join',
+    schema: {
+        body: {
+            "accessToken": {
+                "type": "string"
+            },
+            "selectedProfile": {
+                "type": "string"
+            },
+            "serverId": {
+                "type": "string"
+            },
+        },
+        response: {
+            204: {
+                type: "null"
+            }
+        }
+    },
+    preHandler: getOverridePreHandler('/sessionserver/session/minecraft/join'),
+    handler: getOverrideHandler('/sessionserver/session/minecraft/join') ?? async function (req, rep) {
+        const { accessToken, selectedProfile, serverId } = req.body
+        const user = await await this.models.Player.findOne({ uuid: toSymboUUID(selectedProfile) })
+        if (!user) {
+            return await rep.code(400).send({
+                error: "IllegalArgumentException",
+                errorMessage: "请求内容不正确",
+                cause: "用户不存在"
+            })
+        }
+
+        const session = await this.models.Session.findOne({ token: accessToken })
+        if (!session) {
+            return await rep.code(401).send({
+                error: "IllegalArgumentException",
+                errorMessage: "无效会话",
+                cause: "无效会话"
+            })
+        }
+
+        if (Date.now() > session.expireDate) {
+            return await rep.code(401).send({
+                error: "IllegalArgumentException",
+                errorMessage: "无效会话",
+                cause: "会话已过期"
+            })
+        }
+
+        joinServerRequest.set(session.uuid, {
+            accessToken,
+            serverId,
+            ip: req.headers['x-forwarded-for'] || req.info.remoteAddress
+        })
+
+        await rep.code(204).send()
+    }
+}
+
+export const hasJoined = {
+    method: 'GET',
+    url: '/sessionserver/session/minecraft/hasJoined',
+    schema: {
+        query: {
+            "username": {
+                "type": "string"
+            },
+            "serverId": {
+                "type": "string"
+            },
+            "ip": {
+                "type": "string"
+            }
+        },
+
+        response: {
+            200: PlayerSeriliazationSchema,
+            204: {
+                type: "null"
+            }
+        }
+    },
+    preHandler: getOverridePreHandler('/sessionserver/session/minecraft/hasJoined'),
+    handler: getOverrideHandler('/sessionserver/session/minecraft/hasJoined') ?? async function (req, rep) {
+        const { username, serverId, ip } = req.query
+        const { ssID, sIP } = joinServerRequest.get(username)
+        if(ip) {
+            if(ip !== sIP) {
+                return await rep.code(401).send({
+                    error: "IllegalArgumentException",
+                    errorMessage: "无效会话",
+                    cause: "IP 不匹配"
+                })
+            }
+        }
+
+        if(serverId !== ssID) { 
+            return await rep.code(401).send({
+                error: "IllegalArgumentException",
+                errorMessage: "无效会话",
+                cause: "服务器 ID 不匹配"
+            })
+        }
+
+        const player = await this.models.Player.findOne({ uuid: toSymboUUID(username) })
+        if (!player) {
+            return await rep.code(400).send({
+                error: "IllegalArgumentException",
+                errorMessage: "请求内容不正确",
+                cause: "用户不存在"
+            })
+        }
+        await rep.code(200).send(getPlayerSerialization(player))
+    }
+}
+
+export const profile = {
+    method: 'GET',
+    url: '/sessionserver/session/minecraft/profile/:uuid',
+    schema: {
+        params: {
+            "uuid": {
+                "type": "string"
+            },
+            unsigned: {
+                "type": ["boolean", "null"]
+            },
+        },
+        response: {
+            200: PlayerSeriliazationSchema,
+            204: {
+                type: "null"
+            }
+        }
+    },
+    preHandler: getOverridePreHandler('/sessionserver/session/minecraft/profile/:uuid'),
+    handler: getOverrideHandler('/sessionserver/session/minecraft/profile/:uuid') ?? async function (req, rep) {
+        const { uuid } = req.params
+        const player = await this.models.Player.findOne({ uuid: toSymboUUID(uuid) })
+        if (!player) {
+            return await rep.code(204).send()
+        }
+
+        await rep.code(200).send(getPlayerSerialization(player))
+    }
+
+}