forked from tangled.org/core
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1package state 2 3import ( 4 "context" 5 "crypto/hmac" 6 "crypto/sha256" 7 "encoding/hex" 8 "encoding/json" 9 "fmt" 10 "log" 11 "log/slog" 12 "net/http" 13 "strings" 14 "time" 15 16 comatproto "github.com/bluesky-social/indigo/api/atproto" 17 "github.com/bluesky-social/indigo/atproto/syntax" 18 lexutil "github.com/bluesky-social/indigo/lex/util" 19 securejoin "github.com/cyphar/filepath-securejoin" 20 "github.com/go-chi/chi/v5" 21 tangled "github.com/sotangled/tangled/api/tangled" 22 "github.com/sotangled/tangled/appview" 23 "github.com/sotangled/tangled/appview/auth" 24 "github.com/sotangled/tangled/appview/db" 25 "github.com/sotangled/tangled/appview/pages" 26 "github.com/sotangled/tangled/jetstream" 27 "github.com/sotangled/tangled/rbac" 28) 29 30type State struct { 31 db *db.DB 32 auth *auth.Auth 33 enforcer *rbac.Enforcer 34 tidClock *syntax.TIDClock 35 pages *pages.Pages 36 resolver *appview.Resolver 37 jc *jetstream.JetstreamClient 38 config *appview.Config 39} 40 41func Make(config *appview.Config) (*State, error) { 42 d, err := db.Make(config.DbPath) 43 if err != nil { 44 return nil, err 45 } 46 47 auth, err := auth.Make(config.CookieSecret) 48 if err != nil { 49 return nil, err 50 } 51 52 enforcer, err := rbac.NewEnforcer(config.DbPath) 53 if err != nil { 54 return nil, err 55 } 56 57 clock := syntax.NewTIDClock(0) 58 59 pgs := pages.NewPages() 60 61 resolver := appview.NewResolver() 62 63 wrapper := db.DbWrapper{d} 64 jc, err := jetstream.NewJetstreamClient("appview", []string{tangled.GraphFollowNSID}, nil, slog.Default(), wrapper, false) 65 if err != nil { 66 return nil, fmt.Errorf("failed to create jetstream client: %w", err) 67 } 68 err = jc.StartJetstream(context.Background(), jetstreamIngester(wrapper)) 69 if err != nil { 70 return nil, fmt.Errorf("failed to start jetstream watcher: %w", err) 71 } 72 73 state := &State{ 74 d, 75 auth, 76 enforcer, 77 clock, 78 pgs, 79 resolver, 80 jc, 81 config, 82 } 83 84 return state, nil 85} 86 87func (s *State) TID() string { 88 return s.tidClock.Next().String() 89} 90 91func (s *State) Login(w http.ResponseWriter, r *http.Request) { 92 ctx := r.Context() 93 94 switch r.Method { 95 case http.MethodGet: 96 err := s.pages.Login(w, pages.LoginParams{}) 97 if err != nil { 98 log.Printf("rendering login page: %s", err) 99 } 100 101 return 102 case http.MethodPost: 103 handle := strings.TrimPrefix(r.FormValue("handle"), "@") 104 appPassword := r.FormValue("app_password") 105 106 resolved, err := s.resolver.ResolveIdent(ctx, handle) 107 if err != nil { 108 log.Println("failed to resolve handle:", err) 109 s.pages.Notice(w, "login-msg", fmt.Sprintf("\"%s\" is an invalid handle.", handle)) 110 return 111 } 112 113 atSession, err := s.auth.CreateInitialSession(ctx, resolved, appPassword) 114 if err != nil { 115 s.pages.Notice(w, "login-msg", "Invalid handle or password.") 116 return 117 } 118 sessionish := auth.CreateSessionWrapper{ServerCreateSession_Output: atSession} 119 120 err = s.auth.StoreSession(r, w, &sessionish, resolved.PDSEndpoint()) 121 if err != nil { 122 s.pages.Notice(w, "login-msg", "Failed to login, try again later.") 123 return 124 } 125 126 log.Printf("successfully saved session for %s (%s)", atSession.Handle, atSession.Did) 127 128 did := resolved.DID.String() 129 defaultKnot := "knot1.tangled.sh" 130 131 go func() { 132 log.Printf("adding %s to default knot", did) 133 err = s.enforcer.AddMember(defaultKnot, did) 134 if err != nil { 135 log.Println("failed to add user to knot1.tangled.sh: ", err) 136 return 137 } 138 err = s.enforcer.E.SavePolicy() 139 if err != nil { 140 log.Println("failed to add user to knot1.tangled.sh: ", err) 141 return 142 } 143 144 secret, err := db.GetRegistrationKey(s.db, defaultKnot) 145 if err != nil { 146 log.Println("failed to get registration key for knot1.tangled.sh") 147 return 148 } 149 signedClient, err := NewSignedClient(defaultKnot, secret, s.config.Dev) 150 resp, err := signedClient.AddMember(did) 151 if err != nil { 152 log.Println("failed to add user to knot1.tangled.sh: ", err) 153 return 154 } 155 156 if resp.StatusCode != http.StatusNoContent { 157 log.Println("failed to add user to knot1.tangled.sh: ", resp.StatusCode) 158 return 159 } 160 }() 161 162 s.pages.HxRedirect(w, "/") 163 return 164 } 165} 166 167func (s *State) Logout(w http.ResponseWriter, r *http.Request) { 168 s.auth.ClearSession(r, w) 169 http.Redirect(w, r, "/login", http.StatusTemporaryRedirect) 170} 171 172func (s *State) Timeline(w http.ResponseWriter, r *http.Request) { 173 user := s.auth.GetUser(r) 174 175 timeline, err := db.MakeTimeline(s.db) 176 if err != nil { 177 log.Println(err) 178 s.pages.Notice(w, "timeline", "Uh oh! Failed to load timeline.") 179 } 180 181 var didsToResolve []string 182 for _, ev := range timeline { 183 if ev.Repo != nil { 184 didsToResolve = append(didsToResolve, ev.Repo.Did) 185 } 186 if ev.Follow != nil { 187 didsToResolve = append(didsToResolve, ev.Follow.UserDid, ev.Follow.SubjectDid) 188 } 189 if ev.Star != nil { 190 didsToResolve = append(didsToResolve, ev.Star.StarredByDid, ev.Star.Repo.Did) 191 } 192 } 193 194 resolvedIds := s.resolver.ResolveIdents(r.Context(), didsToResolve) 195 didHandleMap := make(map[string]string) 196 for _, identity := range resolvedIds { 197 if !identity.Handle.IsInvalidHandle() { 198 didHandleMap[identity.DID.String()] = fmt.Sprintf("@%s", identity.Handle.String()) 199 } else { 200 didHandleMap[identity.DID.String()] = identity.DID.String() 201 } 202 } 203 204 s.pages.Timeline(w, pages.TimelineParams{ 205 LoggedInUser: user, 206 Timeline: timeline, 207 DidHandleMap: didHandleMap, 208 }) 209 210 return 211} 212 213// requires auth 214func (s *State) RegistrationKey(w http.ResponseWriter, r *http.Request) { 215 switch r.Method { 216 case http.MethodGet: 217 // list open registrations under this did 218 219 return 220 case http.MethodPost: 221 session, err := s.auth.Store.Get(r, appview.SessionName) 222 if err != nil || session.IsNew { 223 log.Println("unauthorized attempt to generate registration key") 224 http.Error(w, "Forbidden", http.StatusUnauthorized) 225 return 226 } 227 228 did := session.Values[appview.SessionDid].(string) 229 230 // check if domain is valid url, and strip extra bits down to just host 231 domain := r.FormValue("domain") 232 if domain == "" { 233 http.Error(w, "Invalid form", http.StatusBadRequest) 234 return 235 } 236 237 key, err := db.GenerateRegistrationKey(s.db, domain, did) 238 239 if err != nil { 240 log.Println(err) 241 http.Error(w, "unable to register this domain", http.StatusNotAcceptable) 242 return 243 } 244 245 w.Write([]byte(key)) 246 } 247} 248 249func (s *State) Keys(w http.ResponseWriter, r *http.Request) { 250 user := chi.URLParam(r, "user") 251 user = strings.TrimPrefix(user, "@") 252 253 if user == "" { 254 w.WriteHeader(http.StatusBadRequest) 255 return 256 } 257 258 id, err := s.resolver.ResolveIdent(r.Context(), user) 259 if err != nil { 260 w.WriteHeader(http.StatusInternalServerError) 261 return 262 } 263 264 pubKeys, err := db.GetPublicKeys(s.db, id.DID.String()) 265 if err != nil { 266 w.WriteHeader(http.StatusNotFound) 267 return 268 } 269 270 if len(pubKeys) == 0 { 271 w.WriteHeader(http.StatusNotFound) 272 return 273 } 274 275 for _, k := range pubKeys { 276 key := strings.TrimRight(k.Key, "\n") 277 w.Write([]byte(fmt.Sprintln(key))) 278 } 279} 280 281// create a signed request and check if a node responds to that 282func (s *State) InitKnotServer(w http.ResponseWriter, r *http.Request) { 283 user := s.auth.GetUser(r) 284 285 domain := chi.URLParam(r, "domain") 286 if domain == "" { 287 http.Error(w, "malformed url", http.StatusBadRequest) 288 return 289 } 290 log.Println("checking ", domain) 291 292 secret, err := db.GetRegistrationKey(s.db, domain) 293 if err != nil { 294 log.Printf("no key found for domain %s: %s\n", domain, err) 295 return 296 } 297 298 client, err := NewSignedClient(domain, secret, s.config.Dev) 299 if err != nil { 300 log.Println("failed to create client to ", domain) 301 } 302 303 resp, err := client.Init(user.Did) 304 if err != nil { 305 w.Write([]byte("no dice")) 306 log.Println("domain was unreachable after 5 seconds") 307 return 308 } 309 310 if resp.StatusCode == http.StatusConflict { 311 log.Println("status conflict", resp.StatusCode) 312 w.Write([]byte("already registered, sorry!")) 313 return 314 } 315 316 if resp.StatusCode != http.StatusNoContent { 317 log.Println("status nok", resp.StatusCode) 318 w.Write([]byte("no dice")) 319 return 320 } 321 322 // verify response mac 323 signature := resp.Header.Get("X-Signature") 324 signatureBytes, err := hex.DecodeString(signature) 325 if err != nil { 326 return 327 } 328 329 expectedMac := hmac.New(sha256.New, []byte(secret)) 330 expectedMac.Write([]byte("ok")) 331 332 if !hmac.Equal(expectedMac.Sum(nil), signatureBytes) { 333 log.Printf("response body signature mismatch: %x\n", signatureBytes) 334 return 335 } 336 337 tx, err := s.db.BeginTx(r.Context(), nil) 338 if err != nil { 339 log.Println("failed to start tx", err) 340 http.Error(w, err.Error(), http.StatusInternalServerError) 341 return 342 } 343 defer func() { 344 tx.Rollback() 345 err = s.enforcer.E.LoadPolicy() 346 if err != nil { 347 log.Println("failed to rollback policies") 348 } 349 }() 350 351 // mark as registered 352 err = db.Register(tx, domain) 353 if err != nil { 354 log.Println("failed to register domain", err) 355 http.Error(w, err.Error(), http.StatusInternalServerError) 356 return 357 } 358 359 // set permissions for this did as owner 360 reg, err := db.RegistrationByDomain(tx, domain) 361 if err != nil { 362 log.Println("failed to register domain", err) 363 http.Error(w, err.Error(), http.StatusInternalServerError) 364 return 365 } 366 367 // add basic acls for this domain 368 err = s.enforcer.AddDomain(domain) 369 if err != nil { 370 log.Println("failed to setup owner of domain", err) 371 http.Error(w, err.Error(), http.StatusInternalServerError) 372 return 373 } 374 375 // add this did as owner of this domain 376 err = s.enforcer.AddOwner(domain, reg.ByDid) 377 if err != nil { 378 log.Println("failed to setup owner of domain", err) 379 http.Error(w, err.Error(), http.StatusInternalServerError) 380 return 381 } 382 383 err = tx.Commit() 384 if err != nil { 385 log.Println("failed to commit changes", err) 386 http.Error(w, err.Error(), http.StatusInternalServerError) 387 return 388 } 389 390 err = s.enforcer.E.SavePolicy() 391 if err != nil { 392 log.Println("failed to update ACLs", err) 393 http.Error(w, err.Error(), http.StatusInternalServerError) 394 return 395 } 396 397 w.Write([]byte("check success")) 398} 399 400func (s *State) KnotServerInfo(w http.ResponseWriter, r *http.Request) { 401 domain := chi.URLParam(r, "domain") 402 if domain == "" { 403 http.Error(w, "malformed url", http.StatusBadRequest) 404 return 405 } 406 407 user := s.auth.GetUser(r) 408 reg, err := db.RegistrationByDomain(s.db, domain) 409 if err != nil { 410 w.Write([]byte("failed to pull up registration info")) 411 return 412 } 413 414 var members []string 415 if reg.Registered != nil { 416 members, err = s.enforcer.GetUserByRole("server:member", domain) 417 if err != nil { 418 w.Write([]byte("failed to fetch member list")) 419 return 420 } 421 } 422 423 ok, err := s.enforcer.IsServerOwner(user.Did, domain) 424 isOwner := err == nil && ok 425 426 p := pages.KnotParams{ 427 LoggedInUser: user, 428 Registration: reg, 429 Members: members, 430 IsOwner: isOwner, 431 } 432 433 s.pages.Knot(w, p) 434} 435 436// get knots registered by this user 437func (s *State) Knots(w http.ResponseWriter, r *http.Request) { 438 // for now, this is just pubkeys 439 user := s.auth.GetUser(r) 440 registrations, err := db.RegistrationsByDid(s.db, user.Did) 441 if err != nil { 442 log.Println(err) 443 } 444 445 s.pages.Knots(w, pages.KnotsParams{ 446 LoggedInUser: user, 447 Registrations: registrations, 448 }) 449} 450 451// list members of domain, requires auth and requires owner status 452func (s *State) ListMembers(w http.ResponseWriter, r *http.Request) { 453 domain := chi.URLParam(r, "domain") 454 if domain == "" { 455 http.Error(w, "malformed url", http.StatusBadRequest) 456 return 457 } 458 459 // list all members for this domain 460 memberDids, err := s.enforcer.GetUserByRole("server:member", domain) 461 if err != nil { 462 w.Write([]byte("failed to fetch member list")) 463 return 464 } 465 466 w.Write([]byte(strings.Join(memberDids, "\n"))) 467 return 468} 469 470// add member to domain, requires auth and requires invite access 471func (s *State) AddMember(w http.ResponseWriter, r *http.Request) { 472 domain := chi.URLParam(r, "domain") 473 if domain == "" { 474 http.Error(w, "malformed url", http.StatusBadRequest) 475 return 476 } 477 478 memberDid := r.FormValue("member") 479 if memberDid == "" { 480 http.Error(w, "malformed form", http.StatusBadRequest) 481 return 482 } 483 484 memberIdent, err := s.resolver.ResolveIdent(r.Context(), memberDid) 485 if err != nil { 486 w.Write([]byte("failed to resolve member did to a handle")) 487 return 488 } 489 log.Printf("adding %s to %s\n", memberIdent.Handle.String(), domain) 490 491 // announce this relation into the firehose, store into owners' pds 492 client, _ := s.auth.AuthorizedClient(r) 493 currentUser := s.auth.GetUser(r) 494 addedAt := time.Now().Format(time.RFC3339) 495 resp, err := comatproto.RepoPutRecord(r.Context(), client, &comatproto.RepoPutRecord_Input{ 496 Collection: tangled.KnotMemberNSID, 497 Repo: currentUser.Did, 498 Rkey: s.TID(), 499 Record: &lexutil.LexiconTypeDecoder{ 500 Val: &tangled.KnotMember{ 501 Member: memberIdent.DID.String(), 502 Domain: domain, 503 AddedAt: &addedAt, 504 }}, 505 }) 506 507 // invalid record 508 if err != nil { 509 log.Printf("failed to create record: %s", err) 510 return 511 } 512 log.Println("created atproto record: ", resp.Uri) 513 514 secret, err := db.GetRegistrationKey(s.db, domain) 515 if err != nil { 516 log.Printf("no key found for domain %s: %s\n", domain, err) 517 return 518 } 519 520 ksClient, err := NewSignedClient(domain, secret, s.config.Dev) 521 if err != nil { 522 log.Println("failed to create client to ", domain) 523 return 524 } 525 526 ksResp, err := ksClient.AddMember(memberIdent.DID.String()) 527 if err != nil { 528 log.Printf("failed to make request to %s: %s", domain, err) 529 return 530 } 531 532 if ksResp.StatusCode != http.StatusNoContent { 533 w.Write([]byte(fmt.Sprint("knotserver failed to add member: ", err))) 534 return 535 } 536 537 err = s.enforcer.AddMember(domain, memberIdent.DID.String()) 538 if err != nil { 539 w.Write([]byte(fmt.Sprint("failed to add member: ", err))) 540 return 541 } 542 543 w.Write([]byte(fmt.Sprint("added member: ", memberIdent.Handle.String()))) 544} 545 546func (s *State) RemoveMember(w http.ResponseWriter, r *http.Request) { 547} 548 549func (s *State) NewRepo(w http.ResponseWriter, r *http.Request) { 550 switch r.Method { 551 case http.MethodGet: 552 user := s.auth.GetUser(r) 553 knots, err := s.enforcer.GetDomainsForUser(user.Did) 554 if err != nil { 555 s.pages.Notice(w, "repo", "Invalid user account.") 556 return 557 } 558 559 s.pages.NewRepo(w, pages.NewRepoParams{ 560 LoggedInUser: user, 561 Knots: knots, 562 }) 563 564 case http.MethodPost: 565 user := s.auth.GetUser(r) 566 567 domain := r.FormValue("domain") 568 if domain == "" { 569 s.pages.Notice(w, "repo", "Invalid form submission&mdash;missing knot domain.") 570 return 571 } 572 573 repoName := r.FormValue("name") 574 if repoName == "" { 575 s.pages.Notice(w, "repo", "Repository name cannot be empty.") 576 return 577 } 578 579 // Check for valid repository name (GitHub-like rules) 580 // No spaces, only alphanumeric characters, dashes, and underscores 581 for _, char := range repoName { 582 if !((char >= 'a' && char <= 'z') || 583 (char >= 'A' && char <= 'Z') || 584 (char >= '0' && char <= '9') || 585 char == '-' || char == '_' || char == '.') { 586 s.pages.Notice(w, "repo", "Repository name can only contain alphanumeric characters, periods, hyphens, and underscores.") 587 return 588 } 589 } 590 591 defaultBranch := r.FormValue("branch") 592 if defaultBranch == "" { 593 defaultBranch = "main" 594 } 595 596 description := r.FormValue("description") 597 598 ok, err := s.enforcer.E.Enforce(user.Did, domain, domain, "repo:create") 599 if err != nil || !ok { 600 s.pages.Notice(w, "repo", "You do not have permission to create a repo in this knot.") 601 return 602 } 603 604 existingRepo, err := db.GetRepo(s.db, user.Did, repoName) 605 if err == nil && existingRepo != nil { 606 s.pages.Notice(w, "repo", fmt.Sprintf("A repo by this name already exists on %s", existingRepo.Knot)) 607 return 608 } 609 610 secret, err := db.GetRegistrationKey(s.db, domain) 611 if err != nil { 612 s.pages.Notice(w, "repo", fmt.Sprintf("No registration key found for knot %s.", domain)) 613 return 614 } 615 616 client, err := NewSignedClient(domain, secret, s.config.Dev) 617 if err != nil { 618 s.pages.Notice(w, "repo", "Failed to connect to knot server.") 619 return 620 } 621 622 rkey := s.TID() 623 repo := &db.Repo{ 624 Did: user.Did, 625 Name: repoName, 626 Knot: domain, 627 Rkey: rkey, 628 Description: description, 629 } 630 631 xrpcClient, _ := s.auth.AuthorizedClient(r) 632 633 addedAt := time.Now().Format(time.RFC3339) 634 atresp, err := comatproto.RepoPutRecord(r.Context(), xrpcClient, &comatproto.RepoPutRecord_Input{ 635 Collection: tangled.RepoNSID, 636 Repo: user.Did, 637 Rkey: rkey, 638 Record: &lexutil.LexiconTypeDecoder{ 639 Val: &tangled.Repo{ 640 Knot: repo.Knot, 641 Name: repoName, 642 AddedAt: &addedAt, 643 Owner: user.Did, 644 }}, 645 }) 646 if err != nil { 647 log.Printf("failed to create record: %s", err) 648 s.pages.Notice(w, "repo", "Failed to announce repository creation.") 649 return 650 } 651 log.Println("created repo record: ", atresp.Uri) 652 653 tx, err := s.db.BeginTx(r.Context(), nil) 654 if err != nil { 655 log.Println(err) 656 s.pages.Notice(w, "repo", "Failed to save repository information.") 657 return 658 } 659 defer func() { 660 tx.Rollback() 661 err = s.enforcer.E.LoadPolicy() 662 if err != nil { 663 log.Println("failed to rollback policies") 664 } 665 }() 666 667 resp, err := client.NewRepo(user.Did, repoName, defaultBranch) 668 if err != nil { 669 s.pages.Notice(w, "repo", "Failed to create repository on knot server.") 670 return 671 } 672 673 switch resp.StatusCode { 674 case http.StatusConflict: 675 s.pages.Notice(w, "repo", "A repository with that name already exists.") 676 return 677 case http.StatusInternalServerError: 678 s.pages.Notice(w, "repo", "Failed to create repository on knot. Try again later.") 679 case http.StatusNoContent: 680 // continue 681 } 682 683 repo.AtUri = atresp.Uri 684 err = db.AddRepo(tx, repo) 685 if err != nil { 686 log.Println(err) 687 s.pages.Notice(w, "repo", "Failed to save repository information.") 688 return 689 } 690 691 // acls 692 p, _ := securejoin.SecureJoin(user.Did, repoName) 693 err = s.enforcer.AddRepo(user.Did, domain, p) 694 if err != nil { 695 log.Println(err) 696 s.pages.Notice(w, "repo", "Failed to set up repository permissions.") 697 return 698 } 699 700 err = tx.Commit() 701 if err != nil { 702 log.Println("failed to commit changes", err) 703 http.Error(w, err.Error(), http.StatusInternalServerError) 704 return 705 } 706 707 err = s.enforcer.E.SavePolicy() 708 if err != nil { 709 log.Println("failed to update ACLs", err) 710 http.Error(w, err.Error(), http.StatusInternalServerError) 711 return 712 } 713 714 s.pages.HxLocation(w, fmt.Sprintf("/@%s/%s", user.Handle, repoName)) 715 return 716 } 717} 718 719func (s *State) ProfilePage(w http.ResponseWriter, r *http.Request) { 720 didOrHandle := chi.URLParam(r, "user") 721 if didOrHandle == "" { 722 http.Error(w, "Bad request", http.StatusBadRequest) 723 return 724 } 725 726 ident, err := s.resolver.ResolveIdent(r.Context(), didOrHandle) 727 if err != nil { 728 log.Printf("resolving identity: %s", err) 729 w.WriteHeader(http.StatusNotFound) 730 return 731 } 732 733 repos, err := db.GetAllReposByDid(s.db, ident.DID.String()) 734 if err != nil { 735 log.Printf("getting repos for %s: %s", ident.DID.String(), err) 736 } 737 738 collaboratingRepos, err := db.CollaboratingIn(s.db, ident.DID.String()) 739 if err != nil { 740 log.Printf("getting collaborating repos for %s: %s", ident.DID.String(), err) 741 } 742 var didsToResolve []string 743 for _, r := range collaboratingRepos { 744 didsToResolve = append(didsToResolve, r.Did) 745 } 746 resolvedIds := s.resolver.ResolveIdents(r.Context(), didsToResolve) 747 didHandleMap := make(map[string]string) 748 for _, identity := range resolvedIds { 749 if !identity.Handle.IsInvalidHandle() { 750 didHandleMap[identity.DID.String()] = fmt.Sprintf("@%s", identity.Handle.String()) 751 } else { 752 didHandleMap[identity.DID.String()] = identity.DID.String() 753 } 754 } 755 756 followers, following, err := db.GetFollowerFollowing(s.db, ident.DID.String()) 757 if err != nil { 758 log.Printf("getting follow stats repos for %s: %s", ident.DID.String(), err) 759 } 760 761 loggedInUser := s.auth.GetUser(r) 762 followStatus := db.IsNotFollowing 763 if loggedInUser != nil { 764 followStatus = db.GetFollowStatus(s.db, loggedInUser.Did, ident.DID.String()) 765 } 766 767 profileAvatarUri, err := GetAvatarUri(ident.DID.String()) 768 if err != nil { 769 log.Println("failed to fetch bsky avatar", err) 770 } 771 772 s.pages.ProfilePage(w, pages.ProfilePageParams{ 773 LoggedInUser: loggedInUser, 774 UserDid: ident.DID.String(), 775 UserHandle: ident.Handle.String(), 776 Repos: repos, 777 CollaboratingRepos: collaboratingRepos, 778 ProfileStats: pages.ProfileStats{ 779 Followers: followers, 780 Following: following, 781 }, 782 FollowStatus: db.FollowStatus(followStatus), 783 DidHandleMap: didHandleMap, 784 AvatarUri: profileAvatarUri, 785 }) 786} 787 788func GetAvatarUri(did string) (string, error) { 789 recordURL := fmt.Sprintf("https://bsky.social/xrpc/com.atproto.repo.getRecord?repo=%s&collection=app.bsky.actor.profile&rkey=self", did) 790 791 recordResp, err := http.Get(recordURL) 792 if err != nil { 793 return "", err 794 } 795 defer recordResp.Body.Close() 796 797 if recordResp.StatusCode != http.StatusOK { 798 return "", fmt.Errorf("getRecord API returned status code %d", recordResp.StatusCode) 799 } 800 801 var profileResp map[string]any 802 if err := json.NewDecoder(recordResp.Body).Decode(&profileResp); err != nil { 803 return "", err 804 } 805 806 value, ok := profileResp["value"].(map[string]any) 807 if !ok { 808 log.Println(profileResp) 809 return "", fmt.Errorf("no value found for handle %s", did) 810 } 811 812 avatar, ok := value["avatar"].(map[string]any) 813 if !ok { 814 log.Println(profileResp) 815 return "", fmt.Errorf("no avatar found for handle %s", did) 816 } 817 818 blobRef, ok := avatar["ref"].(map[string]any) 819 if !ok { 820 log.Println(profileResp) 821 return "", fmt.Errorf("no ref found for handle %s", did) 822 } 823 824 link, ok := blobRef["$link"].(string) 825 if !ok { 826 log.Println(profileResp) 827 return "", fmt.Errorf("no link found for handle %s", did) 828 } 829 830 return fmt.Sprintf("https://cdn.bsky.app/img/feed_thumbnail/plain/%s/%s", did, link), nil 831}