commit 9903b7c519b2c3399878ca7c740553a120d14153 · gmstn.systems/lattice

+10 -107

src/index.ts

···

       1
       -
       import { OWNER_DID, SERVER_PORT, SERVICE_DID } from "@/lib/env";

     

       0
        
       
     

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

     

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

     

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

     
···

       31
        
               );

     

       32
        
           }

     

       33
        
       

     

       34
       -
           const latticeRecord = await getRecordFromAtUri({

     

       35
        
               // @ts-expect-error alas, template literal weirdness continues uwu

     

       36
        
               authority: OWNER_DID,

     

       37
        
               collection: "systems.gmstn.development.lattice",

     

       38
        
               rKey: latticeUrlOrigin,

     

       39
       -
           });

     

       40
        
       

     

       41
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           if (latticeRecord.ok) setRegistrationState(true);

     

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       42
        
       

     

       43
        
           const prismWebsocket = connectToPrism({

     

       44
        
               wantedCollections: ["systems.gmstn.development.*"],

     
···

       47
        
           // TODO: probably move this to an `attachListeners` hook that attaches the listeners we want.

     

       48
        
           attachLatticeRegistrationListener(prismWebsocket);

     

       49
        
       

     

       50
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           const constellationBacklinksResult = await getConstellationBacklink({

     

       51
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               subject: SERVICE_DID,

     

       52
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               source: {

     

       53
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                   nsid: "systems.gmstn.development.channel",

     

       54
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                   fieldName: "routeThrough.uri",

     

       55
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               },

     

       56
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           });

     

       57
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       58
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           if (!constellationBacklinksResult.ok) {

     

       59
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               throw new Error(

     

       60
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                   "Something went wrong fetching constellation backlinks to do Shard handshakes",

     

       61
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               );

     

       62
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           }

     

       63
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       64
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           const { records: channelBacklinks } = constellationBacklinksResult.data;

     

       65
       -
       

     

       66
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           // TODO: For private lattices, do permission check on owner's PDS

     

       67
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           // and filter out records from unauthorised pdses.

     

       68
       -
       

     

       69
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           const channelRecordsPromises = channelBacklinks.map(

     

       70
       -
               async ({ did, collection, rkey }) =>

     

       71
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                   await getRecordFromAtUri({

     

       72
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                       // @ts-expect-error seriously i gotta do something about the template literals not converting properly SIGH

     

       73
       -
                       authority: did,

     

       74
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                       collection,

     

       75
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                       rKey: rkey,

     

       76
       -
                   }),

     

       77
       -
           );

     

       78
       -
       

     

       79
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           const channelRecordResults = await Promise.all(channelRecordsPromises);

     

       80
       -
       

     

       81
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           // mapping of shard -> list of channels (all AtUris)

     

       82
       -
           const channelsByShard = new Map<AtUri, Array<AtUri>>();

     

       83
       -
       

     

       84
       -
           channelRecordResults.forEach((result, idx) => {

     

       85
       -
               if (!result.ok) return;

     

       86
       -
               const { success, data: channelRecord } =

     

       87
       -
                   systemsGmstnDevelopmentChannelRecordSchema.safeParse(result.data);

     

       88
       -
               if (!success) return;

     

       89
       -
               const { storeAt } = channelRecord;

     

       90
       -
       

     

       91
       -
               const storeAtAtUriResult = stringToAtUri(storeAt.uri);

     

       92
       -
               if (!storeAtAtUriResult.ok) return;

     

       93
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               const storeAtAtUri = storeAtAtUriResult.data;

     

       94
       -
       

     

       95
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               // this is fine because Promise.all() preserves the order of the arrays

     

       96
       -
               const {

     

       97
       -
                   did: authority,

     

       98
       -
                   collection,

     

       99
       -
                   rkey: rKey,

     

       100
       -
               } = channelBacklinks[idx];

     

       101
       -
       

     

       102
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               const existingMapValue = channelsByShard.get(storeAtAtUri);

     

       103
       -
       

     

       104
       -
               const currentChannelUri: Required<AtUri> = {

     

       105
       -
                   // @ts-expect-error seriously i gotta do something about the template literals not converting properly SIGH

     

       106
       -
                   authority,

     

       107
       -
                   collection,

     

       108
       -
                   rKey,

     

       109
       -
               };

     

       110
       -
       

     

       111
       -
               if (!existingMapValue) {

     

       112
       -
                   channelsByShard.set(storeAtAtUri, [currentChannelUri]);

     

       113
       -
               } else {

     

       114
       -
                   const prevUris = existingMapValue;

     

       115
       -
                   channelsByShard.set(storeAtAtUri, [...prevUris, currentChannelUri]);

     

       116
       -
               }

     

       117
       -
           });

     

       118
       -
       

     

       119
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           const channelSessions = new Map<AtUri, SessionInfo>();

     

       120
       -
       

     

       121
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           const channelsByShardEntries = channelsByShard.entries();

     

       122
       -
       

     

       123
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           for (const entry of channelsByShardEntries) {

     

       124
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               const shardAtUri = entry[0];

     

       125
       -
       

     

       126
       -
               let shardDid: Did | undefined;

     

       127
       -
               // TODO: if the rkey of the shard URI is not a valid domain, then it must be a did:plc

     

       128
       -
               // we need to find a better way to enforce this. we really should explore just resolving the

     

       129
       -
               // record and then checking the record value for the actual domain instead.

     

       130
       -
               // did resolution hard;;

     

       131
       -
               if (

     

       132
       -
                   isDomain(shardAtUri.rKey ?? "") ||

     

       133
       -
                   shardAtUri.rKey?.startsWith("localhost:")

     

       134
       -
               ) {

     

       135
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                   // from the isDomain check, if we pass, we can conclude that

     

       136
       -
                   shardDid = `did:web:${encodeURIComponent(shardAtUri.rKey ?? "")}`;

     

       137
       -
               } else {

     

       138
       -
                   shardDid = `did:plc:${encodeURIComponent(shardAtUri.rKey ?? "")}`;

     

       139
       -
               }

     

       140
       -
       

     

       141
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               const channelAtUris = entry[1];

     

       142
       -
       

     

       143
       -
               const handshakeResult = await initiateHandshakeTo({

     

       144
       -
                   did: shardDid,

     

       145
       -
                   channels: channelAtUris,

     

       146
       -
               });

     

       147
       -
               if (!handshakeResult.ok) return;

     

       148
       -
               const sessionInfo = handshakeResult.data;

     

       149
       -
               console.log("Handshake to", shardAtUri.rKey, "complete!");

     

       150
       -
               console.log("Session info:", sessionInfo);

     

       151
       -
               channelSessions.set(shardAtUri, sessionInfo);

     

       152
       -
           }

     

       153
        
       

     

       154
        
           const server = await setupServer();

     

       155
        
           for (const [url, route] of Object.entries(routes)) {

···

       1
       +
       import { __DEV__, OWNER_DID, SERVER_PORT, SERVICE_DID } from "@/lib/env";

     

       2
       +
       import { performHandshakes } from "@/lib/setup";

     

       3
        
       import { setRegistrationState } from "@/lib/state";

     

       4
        
       import type { AtUri, Did } from "@/lib/types/atproto";

     

       5
        
       import type { SessionInfo } from "@/lib/types/handshake";

     
···

       32
        
               );

     

       33
        
           }

     

       34
        
       

     

       35
       +
           const latticeAtUri: Required<AtUri> = {

     

       36
        
               // @ts-expect-error alas, template literal weirdness continues uwu

     

       37
        
               authority: OWNER_DID,

     

       38
        
               collection: "systems.gmstn.development.lattice",

     

       39
        
               rKey: latticeUrlOrigin,

     

       40
       +
           };

     

       41
        
       

     

       42
       +
           const latticeRecord = await getRecordFromAtUri(latticeAtUri);

     

       43
       +
       

     

       44
       +
           if (latticeRecord.ok) {

     

       45
       +
               setRegistrationState(true);

     

       46
       +
           }

     

       47
        
       

     

       48
        
           const prismWebsocket = connectToPrism({

     

       49
        
               wantedCollections: ["systems.gmstn.development.*"],

     
···

       52
        
           // TODO: probably move this to an `attachListeners` hook that attaches the listeners we want.

     

       53
        
           attachLatticeRegistrationListener(prismWebsocket);

     

       54
        
       

     

       55
       +
           await performHandshakes(latticeAtUri);

     

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           const server = await setupServer();

     

       58
        
           for (const [url, route] of Object.entries(routes)) {

+120

src/lib/setup.ts

···

       1
       +
       import type { AtUri, Did } from "@/lib/types/atproto";

     

       2
       +
       import type { SessionInfo } from "@/lib/types/handshake";

     

       3
       +
       import { systemsGmstnDevelopmentChannelRecordSchema } from "@/lib/types/lexicon/systems.gmstn.development.channel";

     

       4
       +
       import {

     

       5
       +
           atUriToString,

     

       6
       +
           getRecordFromAtUri,

     

       7
       +
           stringToAtUri,

     

       8
       +
       } from "@/lib/utils/atproto";

     

       9
       +
       import { getConstellationBacklink } from "@/lib/utils/constellation";

     

       10
       +
       import { isDomain } from "@/lib/utils/domains";

     

       11
       +
       import { initiateHandshakeTo } from "@/lib/utils/handshake";

     

       12
       +
       

     

       13
       +
       export const performHandshakes = async (latticeAtUri: AtUri) => {

     

       14
       +
           const latticeAtUriString = atUriToString(latticeAtUri);

     

       15
       +
           const constellationBacklinksResult = await getConstellationBacklink({

     

       16
       +
               subject: latticeAtUriString,

     

       17
       +
               source: {

     

       18
       +
                   nsid: "systems.gmstn.development.channel",

     

       19
       +
                   fieldName: "routeThrough.uri",

     

       20
       +
               },

     

       21
       +
           });

     

       22
       +
       

     

       23
       +
           if (!constellationBacklinksResult.ok) {

     

       24
       +
               throw new Error(

     

       25
       +
                   "Something went wrong fetching constellation backlinks to do Shard handshakes",

     

       26
       +
               );

     

       27
       +
           }

     

       28
       +
       

     

       29
       +
           const { records: channelBacklinks } = constellationBacklinksResult.data;

     

       30
       +
       

     

       31
       +
           // TODO: For private lattices, do permission check on owner's PDS

     

       32
       +
           // and filter out records from unauthorised pdses.

     

       33
       +
       

     

       34
       +
           const channelRecordsPromises = channelBacklinks.map(

     

       35
       +
               async ({ did, collection, rkey }) =>

     

       36
       +
                   await getRecordFromAtUri({

     

       37
       +
                       // @ts-expect-error seriously i gotta do something about the template literals not converting properly SIGH

     

       38
       +
                       authority: did,

     

       39
       +
                       collection,

     

       40
       +
                       rKey: rkey,

     

       41
       +
                   }),

     

       42
       +
           );

     

       43
       +
       

     

       44
       +
           const channelRecordResults = await Promise.all(channelRecordsPromises);

     

       45
       +
       

     

       46
       +
           // mapping of shard -> list of channels (all AtUris)

     

       47
       +
           const channelsByShard = new Map<AtUri, Array<AtUri>>();

     

       48
       +
       

     

       49
       +
           channelRecordResults.forEach((result, idx) => {

     

       50
       +
               if (!result.ok) return;

     

       51
       +
               const { success, data: channelRecord } =

     

       52
       +
                   systemsGmstnDevelopmentChannelRecordSchema.safeParse(result.data);

     

       53
       +
               if (!success) return;

     

       54
       +
               const { storeAt } = channelRecord;

     

       55
       +
       

     

       56
       +
               const storeAtAtUriResult = stringToAtUri(storeAt.uri);

     

       57
       +
               if (!storeAtAtUriResult.ok) return;

     

       58
       +
               const storeAtAtUri = storeAtAtUriResult.data;

     

       59
       +
       

     

       60
       +
               // this is fine because Promise.all() preserves the order of the arrays

     

       61
       +
               const {

     

       62
       +
                   did: authority,

     

       63
       +
                   collection,

     

       64
       +
                   rkey: rKey,

     

       65
       +
               } = channelBacklinks[idx];

     

       66
       +
       

     

       67
       +
               const existingMapValue = channelsByShard.get(storeAtAtUri);

     

       68
       +
       

     

       69
       +
               const currentChannelUri: Required<AtUri> = {

     

       70
       +
                   // @ts-expect-error seriously i gotta do something about the template literals not converting properly SIGH

     

       71
       +
                   authority,

     

       72
       +
                   collection,

     

       73
       +
                   rKey,

     

       74
       +
               };

     

       75
       +
       

     

       76
       +
               if (!existingMapValue) {

     

       77
       +
                   channelsByShard.set(storeAtAtUri, [currentChannelUri]);

     

       78
       +
               } else {

     

       79
       +
                   const prevUris = existingMapValue;

     

       80
       +
                   channelsByShard.set(storeAtAtUri, [...prevUris, currentChannelUri]);

     

       81
       +
               }

     

       82
       +
           });

     

       83
       +
       

     

       84
       +
           // TODO: move this to a persisted state

     

       85
       +
           const channelSessions = new Map<AtUri, SessionInfo>();

     

       86
       +
       

     

       87
       +
           const channelsByShardEntries = channelsByShard.entries();

     

       88
       +
       

     

       89
       +
           for (const entry of channelsByShardEntries) {

     

       90
       +
               const shardAtUri = entry[0];

     

       91
       +
       

     

       92
       +
               let shardDid: Did | undefined;

     

       93
       +
               // TODO: if the rkey of the shard URI is not a valid domain, then it must be a did:plc

     

       94
       +
               // we need to find a better way to enforce this. we really should explore just resolving the

     

       95
       +
               // record and then checking the record value for the actual domain instead.

     

       96
       +
               // did resolution hard;;

     

       97
       +
               if (

     

       98
       +
                   isDomain(shardAtUri.rKey ?? "") ||

     

       99
       +
                   shardAtUri.rKey?.startsWith("localhost:")

     

       100
       +
               ) {

     

       101
       +
                   // from the isDomain check, if we pass, we can conclude that

     

       102
       +
                   shardDid = `did:web:${encodeURIComponent(shardAtUri.rKey ?? "")}`;

     

       103
       +
               } else {

     

       104
       +
                   shardDid = `did:plc:${encodeURIComponent(shardAtUri.rKey ?? "")}`;

     

       105
       +
               }

     

       106
       +
       

     

       107
       +
               const channelAtUris = entry[1];

     

       108
       +
       

     

       109
       +
               const handshakeResult = await initiateHandshakeTo({

     

       110
       +
                   did: shardDid,

     

       111
       +
                   channels: channelAtUris,

     

       112
       +
               });

     

       113
       +
               if (!handshakeResult.ok) return;

     

       114
       +
               const sessionInfo = handshakeResult.data;

     

       115
       +
               console.log("Handshake to", shardAtUri.rKey, "complete!");

     

       116
       +
               console.log("Session info:", sessionInfo);

     

       117
       +
               channelSessions.set(shardAtUri, sessionInfo);

     

       118
       +
           }

     

       119
       +
           console.log(channelSessions);

     

       120
       +
       };