commit 9a18a2ca8cc95e5331e737cd1e5e27c157b9f7cd · gmstn.systems/lattice

+19 -3

src/lib/handlers/connect.ts

···

       3
        
           issuedLatticeTokens,

     

       4
        
           isValidSession,

     

       5
        
       } from "@/lib/sessions";

     

       6
       -
       import type { ShardMessage } from "@/lib/types/messages";

     

       7
        
       import type { PreHandler, WsRouteHandler } from "@/lib/types/routes";

     

       8
        
       import { stringToAtUri } from "@/lib/utils/atproto";

     

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

     

       10
        
       import {

     

       11
        
           rawDataToString,

     

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           validateWsMessageType,

     

       13
        
       } from "@/lib/utils/ws/validate";

     

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       14
        
       

     

       15
        
       export const connectPreHandler: PreHandler = (req, reply, done) => {

     

       16
        
           const { query } = req;

     
···

       82
        
       

     

       83
        
               switch (messageType) {

     

       84
        
                   case "shard/message": {

     

       85
       -
                       const shardMessage = validateTypeResult.data as ShardMessage;

     

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                       const { channel } = shardMessage;

     

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                       const atUriParseResult = stringToAtUri(channel);

     

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                       if (!atUriParseResult.ok) return;

     

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                       const { data: channelAtUri } = atUriParseResult;

     

       90
        
       

     

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       91
        
                       storeMessageInShard({ channelAtUri, message: shardMessage });

     

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                   }

     

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               }

···

       3
        
           issuedLatticeTokens,

     

       4
        
           isValidSession,

     

       5
        
       } from "@/lib/sessions";

     

       6
       +
       import { shardMessageSchema } from "@/lib/types/messages";

     

       7
        
       import type { PreHandler, WsRouteHandler } from "@/lib/types/routes";

     

       8
        
       import { stringToAtUri } from "@/lib/utils/atproto";

     

       9
       +
       import { sendToChannelClients, storeMessageInShard } from "@/lib/utils/gmstn";

     

       10
        
       import {

     

       11
        
           rawDataToString,

     

       12
        
           validateWsMessageType,

     

       13
        
       } from "@/lib/utils/ws/validate";

     

       14
       +
       import { z } from "zod";

     

       15
        
       

     

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

     

       17
        
           const { query } = req;

     
···

       83
        
       

     

       84
        
               switch (messageType) {

     

       85
        
                   case "shard/message": {

     

       86
       +
                       const {

     

       87
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                           success,

     

       88
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                           error,

     

       89
       +
                           data: shardMessage,

     

       90
       +
                       } = shardMessageSchema.safeParse(validateTypeResult.data);

     

       91
       +
                       if (!success) {

     

       92
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                           console.error(

     

       93
       +
                               "could not parse",

     

       94
       +
                               validateTypeResult.data,

     

       95
       +
                               "as a valid ShardMessage.",

     

       96
       +
                           );

     

       97
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                           console.error(z.treeifyError(error));

     

       98
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                           return;

     

       99
       +
                       }

     

       100
        
                       const { channel } = shardMessage;

     

       101
       +
       

     

       102
        
                       const atUriParseResult = stringToAtUri(channel);

     

       103
        
                       if (!atUriParseResult.ok) return;

     

       104
        
                       const { data: channelAtUri } = atUriParseResult;

     

       105
        
       

     

       106
       +
                       sendToChannelClients({ channelAtUri, message: shardMessage });

     

       107
        
                       storeMessageInShard({ channelAtUri, message: shardMessage });

     

       108
        
                   }

     

       109
        
               }

+4 -4

src/lib/sessions.ts

···

       78
        
           return sessionInfo;

     

       79
        
       };

     

       80
        
       

     

       81
       -
       export const activeLatticeSessions = new Map<LatticeSessionInfo, WebSocket>();

     

       82
        
       

     

       83
        
       export const isValidSession = (sessionInfo: LatticeSessionInfo) => {

     

       84
        
           return (

     
···

       99
        
           } catch {

     

       100
        
               return { ok: false };

     

       101
        
           }

     

       102
       -
           activeLatticeSessions.set(sessionInfo, socket);

     

       103
        
           return { ok: true, data: { sessionSocket: socket } };

     

       104
        
       };

     

       105
        
       

     

       106
        
       export const deleteSession = (

     

       107
        
           sessionInfo: LatticeSessionInfo,

     

       108
        
       ): Result<undefined, undefined> => {

     

       109
       -
           if (!activeLatticeSessions.has(sessionInfo)) return { ok: false };

     

       110
        
           try {

     

       111
       -
               activeLatticeSessions.delete(sessionInfo);

     

       112
        
           } catch {

     

       113
        
               return { ok: false };

     

       114
        
           }

···

       78
        
           return sessionInfo;

     

       79
        
       };

     

       80
        
       

     

       81
       +
       export const clientSessions = new Map<LatticeSessionInfo, WebSocket>();

     

       82
        
       

     

       83
        
       export const isValidSession = (sessionInfo: LatticeSessionInfo) => {

     

       84
        
           return (

     
···

       99
        
           } catch {

     

       100
        
               return { ok: false };

     

       101
        
           }

     

       102
       +
           clientSessions.set(sessionInfo, socket);

     

       103
        
           return { ok: true, data: { sessionSocket: socket } };

     

       104
        
       };

     

       105
        
       

     

       106
        
       export const deleteSession = (

     

       107
        
           sessionInfo: LatticeSessionInfo,

     

       108
        
       ): Result<undefined, undefined> => {

     

       109
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           if (!clientSessions.has(sessionInfo)) return { ok: false };

     

       110
        
           try {

     

       111
       +
               clientSessions.delete(sessionInfo);

     

       112
        
           } catch {

     

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               return { ok: false };

     

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           }

+41 -4

src/lib/utils/gmstn.ts

···

       0
        
       
     

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

     

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

     

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

     
···

       31
        
           channelAtUri: AtUri;

     

       32
        
           message: ShardMessage;

     

       33
        
       }) => {

     

       34
       -
           const sessionInfo = shardSessions

     

       35
        
               .keys()

     

       36
        
               .find((sessionInfo) =>

     

       37
        
                   sessionInfo.allowedChannels.some(

     

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

     

       39
        
                   ),

     

       40
        
               );

     

       41
       -
           if (!sessionInfo) return;

     

       42
        
       

     

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

     

       44
        
           if (!shardSocket) {

     

       45
        
               console.error(

     

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

     

       47
        
               );

     

       48
        
               return;

     

       49
        
           }

     

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

     

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

     

       52
        
       

     

       53
        
           console.log(

     

       54
        
               "Sent off message",

     
···

       57
        
               shardSocket.url,

     

       58
        
           );

     

       59
        
       };

     

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···

       1
       +
       import { clientSessions } from "@/lib/sessions";

     

       2
        
       import { shardSessions } from "@/lib/state";

     

       3
        
       import type { AtUri, Did } from "@/lib/types/atproto";

     

       4
        
       import type { ShardSessionInfo } from "@/lib/types/handshake";

     
···

       32
        
           channelAtUri: AtUri;

     

       33
        
           message: ShardMessage;

     

       34
        
       }) => {

     

       35
       +
           const shardSessionInfo = shardSessions

     

       36
        
               .keys()

     

       37
        
               .find((sessionInfo) =>

     

       38
        
                   sessionInfo.allowedChannels.some(

     

       39
        
                       (allowedChannel) => allowedChannel.rKey === channelAtUri.rKey,

     

       40
        
                   ),

     

       41
        
               );

     

       42
       +
           if (!shardSessionInfo) return;

     

       43
        
       

     

       44
       +
           const shardSocket = shardSessions.get(shardSessionInfo);

     

       45
        
           if (!shardSocket) {

     

       46
        
               console.error(

     

       47
        
                   "Could find session info object in map, but socket could not be retrieved from map. Race condition?",

     

       48
        
               );

     

       49
        
               return;

     

       50
        
           }

     

       51
       +
           const messageToSendToShard = {

     

       52
       +
               ...message,

     

       53
       +
               sessionToken: shardSessionInfo.token,

     

       54
       +
           };

     

       55
        
           if (shardSocket.readyState === WebSocket.OPEN)

     

       56
       +
               shardSocket.send(JSON.stringify(messageToSendToShard));

     

       57
        
       

     

       58
        
           console.log(

     

       59
        
               "Sent off message",

     
···

       62
        
               shardSocket.url,

     

       63
        
           );

     

       64
        
       };

     

       65
       +
       

     

       66
       +
       export const sendToChannelClients = ({

     

       67
       +
           channelAtUri,

     

       68
       +
           message,

     

       69
       +
       }: {

     

       70
       +
           channelAtUri: AtUri;

     

       71
       +
           message: ShardMessage;

     

       72
       +
       }) => {

     

       73
       +
           const sessions = clientSessions

     

       74
       +
               .keys()

     

       75
       +
               .filter((sessionInfo) =>

     

       76
       +
                   sessionInfo.allowedChannels.some(

     

       77
       +
                       (allowedChannel) => allowedChannel.rKey === channelAtUri.rKey,

     

       78
       +
                   ),

     

       79
       +
               );

     

       80
       +
       

     

       81
       +
           const clientSockets = sessions

     

       82
       +
               .map((session) => {

     

       83
       +
                   return clientSessions.get(session);

     

       84
       +
               })

     

       85
       +
               .filter((e) => e !== undefined);

     

       86
       +
       

     

       87
       +
           clientSockets.forEach((clientSocket) => {

     

       88
       +
               clientSocket.send(JSON.stringify(message));

     

       89
       +
               console.log(

     

       90
       +
                   "Sent off message",

     

       91
       +
                   message,

     

       92
       +
                   "to clientSocket pointing to",

     

       93
       +
                   clientSocket.url,

     

       94
       +
               );

     

       95
       +
           });

     

       96
       +
       };