commit 95ce39fa6e8f82bd027c2dfe35598ebd1b89d833 · ptr.pet/bsky-repost-likes

go.mod

···

       22
       22
        
       	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect

     

       23
       23
        
       	github.com/hashicorp/go-retryablehttp v0.7.5 // indirect

     

       24
       24
        
       	github.com/hashicorp/golang-lru v1.0.2 // indirect

     

       25
       25
       +
       	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect

     

       25
       26
        
       	github.com/ipfs/bbloom v0.0.4 // indirect

     

       26
       27
        
       	github.com/ipfs/go-block-format v0.2.0 // indirect

     

       27
       28
        
       	github.com/ipfs/go-cid v0.4.1 // indirect

     
···

       53
       54
        
       	github.com/prometheus/procfs v0.15.1 // indirect

     

       54
       55
        
       	github.com/spaolacci/murmur3 v1.1.0 // indirect

     

       55
       56
        
       	github.com/whyrusleeping/cbor-gen v0.2.1-0.20241030202151-b7a6831be65e // indirect

     

       57
       57
       +
       	gitlab.com/yawning/secp256k1-voi v0.0.0-20230925100816-f2616030848b // indirect

     

       58
       58
       +
       	gitlab.com/yawning/tuplehash v0.0.0-20230713102510-df83abbf9a02 // indirect

     

       56
       59
        
       	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1 // indirect

     

       57
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       	go.opentelemetry.io/otel v1.21.0 // indirect

     

       58
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       	go.opentelemetry.io/otel/metric v1.21.0 // indirect

     
···

       62
       65
        
       	go.uber.org/zap v1.26.0 // indirect

     

       63
       66
        
       	golang.org/x/crypto v0.22.0 // indirect

     

       64
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       	golang.org/x/sys v0.22.0 // indirect

     

       68
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       +
       	golang.org/x/time v0.5.0 // indirect

     

       65
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       	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect

     

       66
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       	google.golang.org/protobuf v1.34.2 // indirect

     

       67
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       	lukechampine.com/blake3 v1.2.1 // indirect

go.sum

···

       42
       42
        
       github.com/hashicorp/go-retryablehttp v0.7.5/go.mod h1:Jy/gPYAdjqffZ/yFGCFV2doI5wjtH1ewM9u8iYVjtX8=

     

       43
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       github.com/hashicorp/golang-lru v1.0.2 h1:dV3g9Z/unq5DpblPpw+Oqcv4dU/1omnb4Ok8iPY6p1c=

     

       44
       44
        
       github.com/hashicorp/golang-lru v1.0.2/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=

     

       45
       45
       +
       github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=

     

       46
       46
       +
       github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=

     

       45
       47
        
       github.com/ipfs/bbloom v0.0.4 h1:Gi+8EGJ2y5qiD5FbsbpX/TMNcJw8gSqr7eyjHa4Fhvs=

     

       46
       48
        
       github.com/ipfs/bbloom v0.0.4/go.mod h1:cS9YprKXpoZ9lT0n/Mw/a6/aFV6DTjTLYHeA+gyqMG0=

     

       47
       49
        
       github.com/ipfs/go-block-format v0.2.0 h1:ZqrkxBA2ICbDRbK8KJs/u0O3dlp6gmAuuXUJNiW1Ycs=

     
···

       130
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       github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

     

       131
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       github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

     

       132
       134
        
       github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=

     

       135
       135
       +
       gitlab.com/yawning/secp256k1-voi v0.0.0-20230925100816-f2616030848b h1:CzigHMRySiX3drau9C6Q5CAbNIApmLdat5jPMqChvDA=

     

       136
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       +
       gitlab.com/yawning/secp256k1-voi v0.0.0-20230925100816-f2616030848b/go.mod h1:/y/V339mxv2sZmYYR64O07VuCpdNZqCTwO8ZcouTMI8=

     

       137
       137
       +
       gitlab.com/yawning/tuplehash v0.0.0-20230713102510-df83abbf9a02 h1:qwDnMxjkyLmAFgcfgTnfJrmYKWhHnci3GjDqcZp1M3Q=

     

       138
       138
       +
       gitlab.com/yawning/tuplehash v0.0.0-20230713102510-df83abbf9a02/go.mod h1:JTnUj0mpYiAsuZLmKjTx/ex3AtMowcCgnE7YNyCEP0I=

     

       133
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       go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1 h1:aFJWCqJMNjENlcleuuOkGAPH82y0yULBScfXcIEdS24=

     

       134
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       go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1/go.mod h1:sEGXWArGqc3tVa+ekntsN65DmVbVeW+7lTKTjZF3/Fo=

     

       135
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       go.opentelemetry.io/otel v1.21.0 h1:hzLeKBZEL7Okw2mGzZ0cc4k/A7Fta0uoPgaJCr8fsFc=

     
···

       187
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       golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=

     

       188
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       golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

     

       189
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       golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=

     

       196
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       +
       golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=

     

       197
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       +
       golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=

     

       190
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       golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

     

       191
       199
        
       golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=

     

       192
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       golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=

+59

jetstream.go

···

       1
       1
       +
       package main

     

       2
       2
       +
       

     

       3
       3
       +
       import (

     

       4
       4
       +
       	"context"

     

       5
       5
       +
       	"log/slog"

     

       6
       6
       +
       	"time"

     

       7
       7
       +
       

     

       8
       8
       +
       	"github.com/bluesky-social/jetstream/pkg/client"

     

       9
       9
       +
       	"github.com/bluesky-social/jetstream/pkg/client/schedulers/sequential"

     

       10
       10
       +
       	"github.com/bluesky-social/jetstream/pkg/models"

     

       11
       11
       +
       )

     

       12
       12
       +
       

     

       13
       13
       +
       type HandleEvent func(context.Context, *models.Event) error

     

       14
       14
       +
       

     

       15
       15
       +
       func startJetstreamLoop(logger *slog.Logger, outStream **client.Client, name string, handleEvent HandleEvent, optsFn func() models.SubscriberOptionsUpdatePayload) {

     

       16
       16
       +
       	for {

     

       17
       17
       +
       		stream, startFn, err := startJetstreamClient(name, optsFn(), handleEvent)

     

       18
       18
       +
       		*outStream = stream

     

       19
       19
       +
       		if startFn != nil {

     

       20
       20
       +
       			err = startFn()

     

       21
       21
       +
       		}

     

       22
       22
       +
       		if err != nil {

     

       23
       23
       +
       			logger.Error("stream failed", "name", name, "error", err)

     

       24
       24
       +
       		}

     

       25
       25
       +
       	}

     

       26
       26
       +
       }

     

       27
       27
       +
       

     

       28
       28
       +
       func startJetstreamClient(name string, opts models.SubscriberOptionsUpdatePayload, handleEvent HandleEvent) (*client.Client, func() error, error) {

     

       29
       29
       +
       	ctx := context.Background()

     

       30
       30
       +
       

     

       31
       31
       +
       	config := client.DefaultClientConfig()

     

       32
       32
       +
       	config.WebsocketURL = "wss://jetstream1.us-west.bsky.network/subscribe"

     

       33
       33
       +
       	config.Compress = true

     

       34
       34
       +
       	config.WantedCollections = opts.WantedCollections

     

       35
       35
       +
       	config.WantedDids = opts.WantedDIDs

     

       36
       36
       +
       	config.RequireHello = len(config.WantedDids) == 0

     

       37
       37
       +
       

     

       38
       38
       +
       	scheduler := sequential.NewScheduler(name, logger, handleEvent)

     

       39
       39
       +
       

     

       40
       40
       +
       	c, err := client.NewClient(config, logger, scheduler)

     

       41
       41
       +
       	if err != nil {

     

       42
       42
       +
       		logger.Error("failed to create jetstream client", "name", name, "error", err)

     

       43
       43
       +
       		return nil, nil, err

     

       44
       44
       +
       	}

     

       45
       45
       +
       

     

       46
       46
       +
       	startFn := func() error {

     

       47
       47
       +
       		cursor := time.Now().UnixMicro()

     

       48
       48
       +
       

     

       49
       49
       +
       		logger.Info("starting jetstream client", "name", name, "collections", opts.WantedCollections, "wanted_dids", len(opts.WantedDIDs))

     

       50
       50
       +
       		if err := c.ConnectAndRead(ctx, &cursor); err != nil {

     

       51
       51
       +
       			logger.Error("jetstream client failed", "name", name, "error", err)

     

       52
       52
       +
       			return err

     

       53
       53
       +
       		}

     

       54
       54
       +
       

     

       55
       55
       +
       		return nil

     

       56
       56
       +
       	}

     

       57
       57
       +
       

     

       58
       58
       +
       	return c, startFn, nil

     

       59
       59
       +
       }

+87 -178

main.go

···

       3
       3
        
       import (

     

       4
       4
        
       	"context"

     

       5
       5
        
       	"encoding/json"

     

       6
       6
       -
       	"fmt"

     

       7
       6
        
       	"log"

     

       8
       7
        
       	"log/slog"

     

       9
       8
        
       	"net/http"

     

       10
       9
        
       	"sync"

     

       11
       11
       -
       	"time"

     

       12
       10
        
       

     

       13
       13
       -
       	"github.com/bluesky-social/indigo/api/atproto"

     

       14
       11
        
       	"github.com/bluesky-social/indigo/api/bsky"

     

       15
       12
        
       	"github.com/bluesky-social/indigo/xrpc"

     

       16
       13
        
       	"github.com/bluesky-social/jetstream/pkg/client"

     

       17
       17
       -
       	"github.com/bluesky-social/jetstream/pkg/client/schedulers/sequential"

     

       18
       14
        
       	"github.com/bluesky-social/jetstream/pkg/models"

     

       19
       15
        
       	"github.com/gorilla/mux"

     

       20
       16
        
       	"github.com/gorilla/websocket"

     
···

       24
       20
        
       

     

       25
       21
        
       // Data structures

     

       26
       22
        
       type SubscriberData struct {

     

       27
       27
       -
       	DID     string

     

       28
       28
       -
       	Conn    *websocket.Conn

     

       29
       29
       -
       	Follows Set[string]

     

       30
       30
       -
       	Reposts Set[string]

     

       23
       23
       +
       	DID      string

     

       24
       24
       +
       	Conn     *websocket.Conn

     

       25
       25
       +
       	ListenTo Set[string]

     

       26
       26
       +
       	Reposts  Set[string]

     

       31
       27
        
       }

     

       32
       28
        
       

     

       33
       29
        
       type NotificationMessage struct {

     
···

       44
       40
        
       	likeStream       *client.Client

     

       45
       41
        
       	subscriberStream *client.Client

     

       46
       42
        
       

     

       47
       47
       -
       	xrpcClient *xrpc.Client

     

       48
       48
       -
       

     

       49
       43
        
       	upgrader = websocket.Upgrader{

     

       50
       44
        
       		CheckOrigin: func(r *http.Request) bool {

     

       51
       45
        
       			return true

     
···

       55
       49
        
       	logger *slog.Logger

     

       56
       50
        
       )

     

       57
       51
        
       

     

       58
       58
       -
       func main() {

     

       59
       59
       -
       	logger = slog.Default()

     

       52
       52
       +
       func getFollowsDids() []string {

     

       53
       53
       +
       	subscribersMux.RLock()

     

       54
       54
       +
       	defer subscribersMux.RUnlock()

     

       60
       55
        
       

     

       61
       61
       -
       	xrpcClient = &xrpc.Client{

     

       62
       62
       -
       		Client: &http.Client{

     

       63
       63
       -
       			Timeout: 30 * time.Second,

     

       64
       64
       -
       		},

     

       65
       65
       -
       		Host: "https://bsky.social",

     

       56
       56
       +
       	var dids []string

     

       57
       57
       +
       	for _, subscriber := range subscribers {

     

       58
       58
       +
       		for follow, _ := range subscriber.ListenTo {

     

       59
       59
       +
       			dids = append(dids, follow)

     

       60
       60
       +
       		}

     

       66
       61
        
       	}

     

       67
       62
        
       

     

       68
       68
       -
       	if err := initializeJetstreams(); err != nil {

     

       69
       69
       -
       		log.Fatalf("cannot start jetstream: %s", err)

     

       63
       63
       +
       	return dids

     

       64
       64
       +
       }

     

       65
       65
       +
       

     

       66
       66
       +
       func getSubscriberDids() []string {

     

       67
       67
       +
       	subscribersMux.RLock()

     

       68
       68
       +
       	defer subscribersMux.RUnlock()

     

       69
       69
       +
       

     

       70
       70
       +
       	var dids []string

     

       71
       71
       +
       	for did := range subscribers {

     

       72
       72
       +
       		dids = append(dids, did)

     

       70
       73
        
       	}

     

       71
       74
        
       

     

       75
       75
       +
       	return dids

     

       76
       76
       +
       }

     

       77
       77
       +
       

     

       78
       78
       +
       func main() {

     

       79
       79
       +
       	logger = slog.Default()

     

       80
       80
       +
       

     

       81
       81
       +
       	go likeStreamLoop(logger)

     

       82
       82
       +
       	go subscriberStreamLoop(logger)

     

       83
       83
       +
       

     

       72
       84
        
       	r := mux.NewRouter()

     

       73
       85
        
       	r.HandleFunc("/subscribe/{did}", handleSubscribe).Methods("GET")

     

       74
       86
        
       

     
···

       82
       94
        
       	vars := mux.Vars(r)

     

       83
       95
        
       	did := vars["did"]

     

       84
       96
        
       

     

       97
       97
       +
       	logger = logger.With("did", did)

     

       98
       98
       +
       

     

       85
       99
        
       	conn, err := upgrader.Upgrade(w, r, nil)

     

       86
       100
        
       	if err != nil {

     

       87
       101
        
       		logger.Error("WebSocket upgrade failed", "error", err)

     
···

       89
       103
        
       	}

     

       90
       104
        
       	defer conn.Close()

     

       91
       105
        
       

     

       92
       92
       -
       	logger.Info("New subscriber", "did", did)

     

       106
       106
       +
       	logger.Info("new subscriber")

     

       93
       107
        
       

     

       94
       94
       -
       	follows, err := fetchFollows(r.Context(), did)

     

       108
       108
       +
       	pdsURI, err := findUserPDS(r.Context(), did)

     

       95
       109
        
       	if err != nil {

     

       96
       96
       -
       		logger.Error("Error fetching follows", "did", did, "error", err)

     

       110
       110
       +
       		logger.Error("cant resolve user pds", "error", err)

     

       97
       111
        
       		return

     

       98
       112
        
       	}

     

       113
       113
       +
       	logger = logger.With("pds", pdsURI)

     

       99
       114
        
       

     

       100
       100
       -
       	reposts, err := fetchReposts(r.Context(), did)

     

       115
       115
       +
       	xrpcClient := &xrpc.Client{

     

       116
       116
       +
       		Host: pdsURI,

     

       117
       117
       +
       	}

     

       118
       118
       +
       	// todo: implement skipping fetching follows and allow specifying users to listen to via websocket

     

       119
       119
       +
       	follows, err := fetchFollows(r.Context(), xrpcClient, did)

     

       120
       120
       +
       	if err != nil {

     

       121
       121
       +
       		logger.Error("error fetching follows", "error", err)

     

       122
       122
       +
       		return

     

       123
       123
       +
       	}

     

       124
       124
       +
       	logger.Info("fetched follows")

     

       125
       125
       +
       	reposts, err := fetchReposts(r.Context(), xrpcClient, did)

     

       101
       126
        
       	if err != nil {

     

       102
       102
       -
       		logger.Error("Error fetching reposts", "did", did, "error", err)

     

       127
       127
       +
       		logger.Error("error fetching reposts", "error", err)

     

       103
       128
        
       		return

     

       104
       129
        
       	}

     

       130
       130
       +
       	logger.Info("fetched reposts")

     

       105
       131
        
       

     

       106
       106
       -
       	// Store subscriber data

     

       107
       132
        
       	subscriber := &SubscriberData{

     

       108
       108
       -
       		DID:     did,

     

       109
       109
       -
       		Conn:    conn,

     

       110
       110
       -
       		Follows: follows,

     

       111
       111
       -
       		Reposts: reposts,

     

       133
       133
       +
       		DID:  did,

     

       134
       134
       +
       		Conn: conn,

     

       135
       135
       +
       		// use user follows as default listen to

     

       136
       136
       +
       		ListenTo: follows,

     

       137
       137
       +
       		Reposts:  reposts,

     

       112
       138
        
       	}

     

       113
       139
        
       

     

       114
       140
        
       	subscribersMux.Lock()

     

       115
       141
        
       	subscribers[did] = subscriber

     

       116
       142
        
       	subscribersMux.Unlock()

     

       117
       143
        
       	updateSubscriberStreamOpts()

     

       144
       144
       +
       	updateLikeStreamOpts()

     

       118
       145
        
       	// delete subscriber after we are done

     

       119
       146
        
       	defer func() {

     

       120
       147
        
       		subscribersMux.Lock()

     

       121
       148
        
       		delete(subscribers, did)

     

       122
       149
        
       		subscribersMux.Unlock()

     

       123
       150
        
       		updateSubscriberStreamOpts()

     

       151
       151
       +
       		updateLikeStreamOpts()

     

       124
       152
        
       	}()

     

       125
       153
        
       

     

       126
       126
       -
       	for {

     

       127
       127
       -
       		_, _, err := conn.ReadMessage()

     

       128
       128
       -
       		if err != nil {

     

       129
       129
       -
       			logger.Info("WebSocket connection closed", "did", did, "error", err)

     

       130
       130
       -
       			break

     

       131
       131
       -
       		}

     

       132
       132
       -
       	}

     

       133
       133
       -
       }

     

       134
       134
       -
       

     

       135
       135
       -
       func fetchReposts(ctx context.Context, did string) (Set[string], error) {

     

       136
       136
       -
       	all := make(Set[string])

     

       137
       137
       -
       	cursor := ""

     

       154
       154
       +
       	logger.Info("serving subscriber")

     

       138
       155
        
       

     

       139
       156
        
       	for {

     

       140
       140
       -
       		out, err := atproto.RepoListRecords(ctx, &xrpc.Client{}, "app.bsky.feed.repost", cursor, 100, did, false)

     

       157
       157
       +
       		_, _, err := conn.ReadMessage()

     

       141
       158
        
       		if err != nil {

     

       142
       142
       -
       			return nil, err

     

       143
       143
       -
       		}

     

       144
       144
       -
       

     

       145
       145
       -
       		for _, record := range out.Records {

     

       146
       146
       -
       			all[record.Uri] = struct{}{}

     

       147
       147
       -
       		}

     

       148
       148
       -
       

     

       149
       149
       -
       		if out.Cursor == nil || *out.Cursor == "" {

     

       159
       159
       +
       			logger.Info("WebSocket connection closed", "error", err)

     

       150
       160
        
       			break

     

       151
       161
        
       		}

     

       152
       152
       -
       		cursor = *out.Cursor

     

       153
       162
        
       	}

     

       154
       154
       -
       

     

       155
       155
       -
       	return all, nil

     

       156
       156
       -
       }

     

       157
       157
       -
       

     

       158
       158
       -
       func fetchFollows(ctx context.Context, did string) (Set[string], error) {

     

       159
       159
       -
       	all := make(Set[string])

     

       160
       160
       -
       	cursor := ""

     

       161
       161
       -
       

     

       162
       162
       -
       	for {

     

       163
       163
       -
       		out, err := bsky.GraphGetFollows(ctx, &xrpc.Client{}, did, cursor, 100)

     

       164
       164
       -
       		if err != nil {

     

       165
       165
       -
       			return nil, err

     

       166
       166
       -
       		}

     

       167
       167
       -
       

     

       168
       168
       -
       		for _, record := range out.Follows {

     

       169
       169
       -
       			all[record.Did] = struct{}{}

     

       170
       170
       -
       		}

     

       171
       171
       -
       

     

       172
       172
       -
       		if out.Cursor == nil || *out.Cursor == "" {

     

       173
       173
       -
       			break

     

       174
       174
       -
       		}

     

       175
       175
       -
       		cursor = *out.Cursor

     

       176
       176
       -
       	}

     

       177
       177
       -
       

     

       178
       178
       -
       	return all, nil

     

       179
       179
       -
       }

     

       180
       180
       -
       

     

       181
       181
       -
       func initializeJetstreams() error {

     

       182
       182
       -
       	if err := startLikeClient(); err != nil {

     

       183
       183
       -
       		return fmt.Errorf("like stream: %w", err)

     

       184
       184
       -
       	}

     

       185
       185
       -
       	if err := startSubscriberClient(); err != nil {

     

       186
       186
       -
       		return fmt.Errorf("subscriber stream: %w", err)

     

       187
       187
       -
       	}

     

       188
       188
       -
       	return nil

     

       189
       163
        
       }

     

       190
       164
        
       

     

       191
       165
        
       func getLikeStreamOpts() models.SubscriberOptionsUpdatePayload {

     
···

       203
       177
        
       }

     

       204
       178
        
       

     

       205
       179
        
       func updateLikeStreamOpts() {

     

       206
       206
       -
       	err := likeStream.SendOptionsUpdate(getLikeStreamOpts())

     

       207
       207
       -
       	if err != nil {

     

       208
       208
       -
       		// reinit like stream

     

       209
       209
       -
       	}

     

       210
       210
       -
       }

     

       211
       211
       -
       

     

       212
       212
       -
       func updateSubscriberStreamOpts() {

     

       213
       213
       -
       	err := subscriberStream.SendOptionsUpdate(getSubscriberStreamOpts())

     

       214
       214
       -
       	if err != nil {

     

       215
       215
       -
       		// reinit subscriber stream

     

       216
       216
       -
       	}

     

       217
       217
       -
       }

     

       218
       218
       -
       

     

       219
       219
       -
       func startLikeClient() error {

     

       220
       180
        
       	opts := getLikeStreamOpts()

     

       221
       221
       -
       	if len(opts.WantedDIDs) == 0 {

     

       222
       222
       -
       		return nil // No follows to track

     

       223
       223
       -
       	}

     

       224
       224
       -
       

     

       225
       225
       -
       	handler := &likeHandler{}

     

       226
       226
       -
       	var err error

     

       227
       227
       -
       	likeStream, err = startJetstreamClient("like_tracker", opts, handler.HandleEvent)

     

       181
       181
       +
       	err := likeStream.SendOptionsUpdate(opts)

     

       228
       182
        
       	if err != nil {

     

       229
       229
       -
       		return err

     

       183
       183
       +
       		logger.Error("couldnt update like stream opts", "error", err)

     

       184
       184
       +
       		return

     

       230
       185
        
       	}

     

       231
       231
       -
       

     

       232
       232
       -
       	return nil

     

       186
       186
       +
       	logger.Info("updated like stream opts", "requestedDids", len(opts.WantedDIDs))

     

       233
       187
        
       }

     

       234
       188
        
       

     

       235
       235
       -
       func startSubscriberClient() error {

     

       189
       189
       +
       func updateSubscriberStreamOpts() {

     

       236
       190
        
       	opts := getSubscriberStreamOpts()

     

       237
       237
       -
       	if len(opts.WantedDIDs) == 0 {

     

       238
       238
       -
       		return nil // No subscribers to track

     

       239
       239
       -
       	}

     

       240
       240
       -
       

     

       241
       241
       -
       	handler := &subscriberHandler{}

     

       242
       242
       -
       	var err error

     

       243
       243
       -
       	subscriberStream, err = startJetstreamClient("subscriber", opts, handler.HandleEvent)

     

       191
       191
       +
       	err := subscriberStream.SendOptionsUpdate(opts)

     

       244
       192
        
       	if err != nil {

     

       245
       245
       -
       		return err

     

       193
       193
       +
       		logger.Error("couldnt update subscriber stream opts", "error", err)

     

       194
       194
       +
       		return

     

       246
       195
        
       	}

     

       247
       247
       -
       

     

       248
       248
       -
       	return nil

     

       196
       196
       +
       	logger.Info("updated subscriber stream opts", "userCount", len(opts.WantedDIDs))

     

       249
       197
        
       }

     

       250
       198
        
       

     

       251
       251
       -
       func startJetstreamClient(name string, opts models.SubscriberOptionsUpdatePayload, handleEvent func(context.Context, *models.Event) error) (*client.Client, error) {

     

       252
       252
       -
       	ctx := context.Background()

     

       253
       253
       -
       

     

       254
       254
       -
       	config := client.DefaultClientConfig()

     

       255
       255
       -
       	config.WebsocketURL = "wss://jetstream.atproto.tools/subscribe"

     

       256
       256
       -
       	config.Compress = true

     

       257
       257
       -
       	config.WantedCollections = opts.WantedCollections

     

       258
       258
       -
       	config.WantedDids = opts.WantedDIDs

     

       259
       259
       -
       

     

       260
       260
       -
       	scheduler := sequential.NewScheduler(name, logger, handleEvent)

     

       261
       261
       -
       

     

       262
       262
       -
       	c, err := client.NewClient(config, logger, scheduler)

     

       263
       263
       -
       	if err != nil {

     

       264
       264
       -
       		logger.Error("Failed to create client", "name", name, "error", err)

     

       265
       265
       -
       		return nil, err

     

       266
       266
       -
       	}

     

       267
       267
       -
       

     

       268
       268
       -
       	cursor := time.Now().UnixMicro()

     

       269
       269
       -
       

     

       270
       270
       -
       	logger.Info("Starting client", "name", name, "collections", opts.WantedCollections, "wanted_dids", len(opts.WantedDIDs))

     

       271
       271
       -
       	if err := c.ConnectAndRead(ctx, &cursor); err != nil {

     

       272
       272
       -
       		logger.Error("Client failed", "name", name, "error", err)

     

       273
       273
       -
       		return nil, err

     

       274
       274
       -
       	}

     

       275
       275
       -
       

     

       276
       276
       -
       	return c, nil

     

       199
       199
       +
       func likeStreamLoop(logger *slog.Logger) {

     

       200
       200
       +
       	startJetstreamLoop(logger, &likeStream, "like_tracker", HandleLikeEvent, getLikeStreamOpts)

     

       277
       201
        
       }

     

       278
       202
        
       

     

       279
       279
       -
       func getFollowsDids() []string {

     

       280
       280
       -
       	subscribersMux.RLock()

     

       281
       281
       -
       	defer subscribersMux.RUnlock()

     

       282
       282
       -
       

     

       283
       283
       -
       	var dids []string

     

       284
       284
       -
       	for _, subscriber := range subscribers {

     

       285
       285
       -
       		for follow, _ := range subscriber.Follows {

     

       286
       286
       -
       			dids = append(dids, follow)

     

       287
       287
       -
       		}

     

       288
       288
       -
       	}

     

       289
       289
       -
       

     

       290
       290
       -
       	return dids

     

       203
       203
       +
       func subscriberStreamLoop(logger *slog.Logger) {

     

       204
       204
       +
       	startJetstreamLoop(logger, &subscriberStream, "subscriber", HandleSubscriberEvent, getSubscriberStreamOpts)

     

       291
       205
        
       }

     

       292
       206
        
       

     

       293
       293
       -
       func getSubscriberDids() []string {

     

       294
       294
       -
       	subscribersMux.RLock()

     

       295
       295
       -
       	defer subscribersMux.RUnlock()

     

       296
       296
       -
       

     

       297
       297
       -
       	var dids []string

     

       298
       298
       -
       	for did := range subscribers {

     

       299
       299
       -
       		dids = append(dids, did)

     

       207
       207
       +
       func HandleLikeEvent(ctx context.Context, event *models.Event) error {

     

       208
       208
       +
       	if event == nil || event.Commit == nil || len(event.Commit.Record) == 0 {

     

       209
       209
       +
       		return nil

     

       300
       210
        
       	}

     

       301
       211
        
       

     

       302
       302
       -
       	return dids

     

       303
       303
       -
       }

     

       304
       304
       -
       

     

       305
       305
       -
       type likeHandler struct{}

     

       306
       306
       -
       

     

       307
       307
       -
       func (h *likeHandler) HandleEvent(ctx context.Context, event *models.Event) error {

     

       308
       212
        
       	var like bsky.FeedLike

     

       309
       213
        
       	if err := json.Unmarshal(event.Commit.Record, &like); err != nil {

     

       310
       214
        
       		logger.Error("Failed to unmarshal like", "error", err)

     
···

       334
       238
        
       	return nil

     

       335
       239
        
       }

     

       336
       240
        
       

     

       337
       337
       -
       type subscriberHandler struct{}

     

       241
       241
       +
       func HandleSubscriberEvent(ctx context.Context, event *models.Event) error {

     

       242
       242
       +
       	if event == nil || event.Commit == nil {

     

       243
       243
       +
       		return nil

     

       244
       244
       +
       	}

     

       338
       245
        
       

     

       339
       339
       -
       func (h *subscriberHandler) HandleEvent(ctx context.Context, event *models.Event) error {

     

       340
       246
        
       	switch event.Commit.Collection {

     

       341
       247
        
       	case "app.bsky.feed.repost":

     

       342
       248
        
       		modifySubscribersWithEvent(

     
···

       349
       255
        
       	case "app.bsky.graph.follow":

     

       350
       256
        
       		modifySubscribersWithEvent(

     

       351
       257
        
       			event,

     

       352
       352
       -
       			func(s *SubscriberData, r bsky.GraphFollow) { delete(s.Follows, r.Subject) },

     

       258
       258
       +
       			func(s *SubscriberData, r bsky.GraphFollow) { delete(s.ListenTo, r.Subject) },

     

       353
       259
        
       			func(s *SubscriberData, r bsky.GraphFollow) {

     

       354
       354
       -
       				s.Follows[r.Subject] = struct{}{}

     

       260
       260
       +
       				s.ListenTo[r.Subject] = struct{}{}

     

       355
       261
        
       			},

     

       356
       262
        
       		)

     

       357
       357
       -
       		updateLikeStreamOpts()

     

       358
       263
        
       	}

     

       359
       264
        
       

     

       360
       265
        
       	return nil

     
···

       363
       268
        
       type ModifyFunc[v any] func(*SubscriberData, v)

     

       364
       269
        
       

     

       365
       270
        
       func modifySubscribersWithEvent[v any](event *models.Event, onDelete ModifyFunc[v], onUpdate ModifyFunc[v]) error {

     

       271
       271
       +
       	if len(event.Commit.Record) == 0 {

     

       272
       272
       +
       		return nil

     

       273
       273
       +
       	}

     

       274
       274
       +
       

     

       366
       275
        
       	var data v

     

       367
       276
        
       	if err := json.Unmarshal(event.Commit.Record, &data); err != nil {

     

       368
       368
       -
       		logger.Error("Failed to unmarshal repost", "error", err)

     

       277
       277
       +
       		logger.Error("Failed to unmarshal repost", "error", err, "raw", event.Commit.Record)

     

       369
       278
        
       		return nil

     

       370
       279
        
       	}

     

       371
       280

+66

xrpc.go

···

       1
       1
       +
       package main

     

       2
       2
       +
       

     

       3
       3
       +
       import (

     

       4
       4
       +
       	"context"

     

       5
       5
       +
       	"encoding/json"

     

       6
       6
       +
       	"fmt"

     

       7
       7
       +
       

     

       8
       8
       +
       	"github.com/bluesky-social/indigo/api/atproto"

     

       9
       9
       +
       	"github.com/bluesky-social/indigo/api/bsky"

     

       10
       10
       +
       	"github.com/bluesky-social/indigo/atproto/identity"

     

       11
       11
       +
       	"github.com/bluesky-social/indigo/atproto/syntax"

     

       12
       12
       +
       	"github.com/bluesky-social/indigo/xrpc"

     

       13
       13
       +
       )

     

       14
       14
       +
       

     

       15
       15
       +
       func findUserPDS(ctx context.Context, did string) (string, error) {

     

       16
       16
       +
       	id, err := identity.DefaultDirectory().LookupDID(ctx, syntax.DID(did))

     

       17
       17
       +
       	if err != nil {

     

       18
       18
       +
       		return "", err

     

       19
       19
       +
       	}

     

       20
       20
       +
       	pdsURI := id.PDSEndpoint()

     

       21
       21
       +
       	if len(pdsURI) == 0 {

     

       22
       22
       +
       		return "", fmt.Errorf("no PDS URL was found in identity document")

     

       23
       23
       +
       	}

     

       24
       24
       +
       

     

       25
       25
       +
       	return pdsURI, nil

     

       26
       26
       +
       }

     

       27
       27
       +
       

     

       28
       28
       +
       func fetchRecords[v any](ctx context.Context, xrpcClient *xrpc.Client, collection, did string, extractFn func(v) string) (Set[string], error) {

     

       29
       29
       +
       	all := make(Set[string])

     

       30
       30
       +
       	cursor := ""

     

       31
       31
       +
       

     

       32
       32
       +
       	for {

     

       33
       33
       +
       		// todo: ratelimits?? idk what this does for those

     

       34
       34
       +
       		out, err := atproto.RepoListRecords(ctx, xrpcClient, collection, cursor, 100, did, false)

     

       35
       35
       +
       		if err != nil {

     

       36
       36
       +
       			return nil, err

     

       37
       37
       +
       		}

     

       38
       38
       +
       

     

       39
       39
       +
       		for _, record := range out.Records {

     

       40
       40
       +
       			raw, _ := record.Value.MarshalJSON()

     

       41
       41
       +
       			var val v

     

       42
       42
       +
       			if err := json.Unmarshal(raw, &val); err != nil {

     

       43
       43
       +
       				return nil, err

     

       44
       44
       +
       			}

     

       45
       45
       +
       			s := extractFn(val)

     

       46
       46
       +
       			if len(s) > 0 {

     

       47
       47
       +
       				all[s] = struct{}{}

     

       48
       48
       +
       			}

     

       49
       49
       +
       		}

     

       50
       50
       +
       

     

       51
       51
       +
       		if out.Cursor == nil || *out.Cursor == "" {

     

       52
       52
       +
       			break

     

       53
       53
       +
       		}

     

       54
       54
       +
       		cursor = *out.Cursor

     

       55
       55
       +
       	}

     

       56
       56
       +
       

     

       57
       57
       +
       	return all, nil

     

       58
       58
       +
       }

     

       59
       59
       +
       

     

       60
       60
       +
       func fetchReposts(ctx context.Context, xrpcClient *xrpc.Client, did string) (Set[string], error) {

     

       61
       61
       +
       	return fetchRecords(ctx, xrpcClient, "app.bsky.feed.repost", did, func(v bsky.FeedRepost) string { return v.Subject.Uri })

     

       62
       62
       +
       }

     

       63
       63
       +
       

     

       64
       64
       +
       func fetchFollows(ctx context.Context, xrpcClient *xrpc.Client, did string) (Set[string], error) {

     

       65
       65
       +
       	return fetchRecords(ctx, xrpcClient, "app.bsky.graph.follow", did, func(v bsky.GraphFollow) string { return v.Subject })

     

       66
       66
       +
       }