commit c02444e25d674cf34faca54c83a9a242b8b41230 · gmstn.systems/lattice

+29 -5

src/lib/handlers/connect.ts

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           issuedLatticeTokens,

     

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           isValidSession,

     

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       } from "@/lib/sessions";

     

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       import type { PreHandler, WsRouteHandler } from "@/lib/types/routes";

     

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       import { rawDataToString } from "@/lib/utils/ws";

     

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       export const connectPreHandler: PreHandler = (req, reply, done) => {

     

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           const { query } = req;

     
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               return;

     

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           }

     

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           socket.on("message", (event) => {

     

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               const message = rawDataToString(event);

     

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               console.log(message)

     

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           })

     

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       };

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       3
        
           issuedLatticeTokens,

     

       4
        
           isValidSession,

     

       5
        
       } from "@/lib/sessions";

     

       6
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       import { shardSessions } from "@/lib/state";

     

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       import type { ShardMessage } from "@/lib/types/messages";

     

       8
        
       import type { PreHandler, WsRouteHandler } from "@/lib/types/routes";

     

       9
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       import { stringToAtUri } from "@/lib/utils/atproto";

     

       10
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       import { storeMessageInShard } from "@/lib/utils/gmstn";

     

       11
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       import {

     

       12
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           rawDataToString,

     

       13
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           validateWsMessageType,

     

       14
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       } from "@/lib/utils/ws/validate";

     

       15
        
       

     

       16
        
       export const connectPreHandler: PreHandler = (req, reply, done) => {

     

       17
        
           const { query } = req;

     
···

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               return;

     

       73
        
           }

     

       74
        
       

     

       75
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           socket.on("message", (rawData) => {

     

       76
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               const event = rawDataToString(rawData);

     

       77
       +
       

     

       78
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               const data: unknown = JSON.parse(event);

     

       79
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               const validateTypeResult = validateWsMessageType(data);

     

       80
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               if (!validateTypeResult.ok) return;

     

       81
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       82
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               const { type: messageType } = validateTypeResult.data;

     

       83
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       84
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               switch (messageType) {

     

       85
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                   case "shard/message": {

     

       86
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                       const shardMessage = validateTypeResult.data as ShardMessage;

     

       87
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                       const { channel } = shardMessage;

     

       88
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                       const atUriParseResult = stringToAtUri(channel);

     

       89
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                       if (!atUriParseResult.ok) return;

     

       90
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                       const { data: channelAtUri } = atUriParseResult;

     

       91
       +
       

     

       92
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                       storeMessageInShard({ channelAtUri, message: shardMessage });

     

       93
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                   }

     

       94
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               }

     

       95
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           });

     

       96
        
       };

+36 -1

src/lib/utils/gmstn.ts

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       import { shardSessions } from "@/lib/state";

     

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       import type { Did } from "@/lib/types/atproto";

     

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       import type { ShardSessionInfo } from "@/lib/types/handshake";

     

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       import { getEndpointFromDid } from "@/lib/utils/atproto";

     

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       import WebSocket from "ws";

     

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           shardSessions.set(sessionInfo, ws);

     

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           return ws;

     

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       };

     

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···

       1
        
       import { shardSessions } from "@/lib/state";

     

       2
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       import type { AtUri, Did } from "@/lib/types/atproto";

     

       3
        
       import type { ShardSessionInfo } from "@/lib/types/handshake";

     

       4
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       import type { ShardMessage } from "@/lib/types/messages";

     

       5
        
       import { getEndpointFromDid } from "@/lib/utils/atproto";

     

       6
        
       import WebSocket from "ws";

     

       7
        
       

     
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       23
        
           shardSessions.set(sessionInfo, ws);

     

       24
        
           return ws;

     

       25
        
       };

     

       26
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       27
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       export const storeMessageInShard = ({

     

       28
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           channelAtUri,

     

       29
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           message,

     

       30
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       }: {

     

       31
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           channelAtUri: AtUri;

     

       32
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           message: ShardMessage;

     

       33
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       }) => {

     

       34
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           const sessionInfo = shardSessions

     

       35
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               .keys()

     

       36
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               .find((sessionInfo) =>

     

       37
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                   sessionInfo.allowedChannels.some(

     

       38
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                       (allowedChannel) => allowedChannel.rKey === channelAtUri.rKey,

     

       39
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                   ),

     

       40
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               );

     

       41
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           if (!sessionInfo) return;

     

       42
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       43
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           const shardSocket = shardSessions.get(sessionInfo);

     

       44
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           if (!shardSocket) {

     

       45
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               console.error(

     

       46
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                   "Could find session info object in map, but socket could not be retrieved from map. Race condition?",

     

       47
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               );

     

       48
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               return;

     

       49
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           }

     

       50
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           if (shardSocket.readyState === WebSocket.OPEN)

     

       51
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               shardSocket.send(JSON.stringify(message));

     

       52
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       53
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           console.log(

     

       54
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               "Sent off message",

     

       55
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               message,

     

       56
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               "to shard located at",

     

       57
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               shardSocket.url,

     

       58
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           );

     

       59
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       };