forked from tangled.org/core
Monorepo for Tangled

knotserver/xrpc: define handlers for all ops

Signed-off-by: Anirudh Oppiliappan <anirudh@tangled.sh>

authored by anirudh.fi and committed by oppi.li a3c6611d 69a54996

-1
knotserver/handler.go
··· 139 139 // Create a new repository. 140 140 r.Route("/repo", func(r chi.Router) { 141 141 r.Use(h.VerifySignature) 142 - r.Put("/new", h.NewRepo) 143 142 r.Delete("/", h.RemoveRepo) 144 143 r.Route("/fork", func(r chi.Router) { 145 144 r.Post("/", h.RepoFork)
-62
knotserver/routes.go
··· 22 22 securejoin "github.com/cyphar/filepath-securejoin" 23 23 "github.com/gliderlabs/ssh" 24 24 "github.com/go-chi/chi/v5" 25 - gogit "github.com/go-git/go-git/v5" 26 25 "github.com/go-git/go-git/v5/plumbing" 27 26 "github.com/go-git/go-git/v5/plumbing/object" 28 27 "tangled.sh/tangled.sh/core/hook" ··· 651 650 w.WriteHeader(http.StatusNoContent) 652 651 return 653 652 } 654 - } 655 - 656 - func (h *Handle) NewRepo(w http.ResponseWriter, r *http.Request) { 657 - l := h.l.With("handler", "NewRepo") 658 - 659 - data := struct { 660 - Did string `json:"did"` 661 - Name string `json:"name"` 662 - DefaultBranch string `json:"default_branch,omitempty"` 663 - }{} 664 - 665 - if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 666 - writeError(w, "invalid request body", http.StatusBadRequest) 667 - return 668 - } 669 - 670 - if data.DefaultBranch == "" { 671 - data.DefaultBranch = h.c.Repo.MainBranch 672 - } 673 - 674 - did := data.Did 675 - name := data.Name 676 - defaultBranch := data.DefaultBranch 677 - 678 - if err := validateRepoName(name); err != nil { 679 - l.Error("creating repo", "error", err.Error()) 680 - writeError(w, err.Error(), http.StatusBadRequest) 681 - return 682 - } 683 - 684 - relativeRepoPath := filepath.Join(did, name) 685 - repoPath, _ := securejoin.SecureJoin(h.c.Repo.ScanPath, relativeRepoPath) 686 - err := git.InitBare(repoPath, defaultBranch) 687 - if err != nil { 688 - l.Error("initializing bare repo", "error", err.Error()) 689 - if errors.Is(err, gogit.ErrRepositoryAlreadyExists) { 690 - writeError(w, "That repo already exists!", http.StatusConflict) 691 - return 692 - } else { 693 - writeError(w, err.Error(), http.StatusInternalServerError) 694 - return 695 - } 696 - } 697 - 698 - // add perms for this user to access the repo 699 - err = h.e.AddRepo(did, rbac.ThisServer, relativeRepoPath) 700 - if err != nil { 701 - l.Error("adding repo permissions", "error", err.Error()) 702 - writeError(w, err.Error(), http.StatusInternalServerError) 703 - return 704 - } 705 - 706 - hook.SetupRepo( 707 - hook.Config( 708 - hook.WithScanPath(h.c.Repo.ScanPath), 709 - hook.WithInternalApi(h.c.Server.InternalListenAddr), 710 - ), 711 - repoPath, 712 - ) 713 - 714 - w.WriteHeader(http.StatusNoContent) 715 653 } 716 654 717 655 func (h *Handle) RepoForkAheadBehind(w http.ResponseWriter, r *http.Request) {
+156
knotserver/xrpc/create_repo.go
··· 1 + package xrpc 2 + 3 + import ( 4 + "encoding/json" 5 + "errors" 6 + "fmt" 7 + "net/http" 8 + "path/filepath" 9 + "strings" 10 + 11 + comatproto "github.com/bluesky-social/indigo/api/atproto" 12 + "github.com/bluesky-social/indigo/atproto/syntax" 13 + "github.com/bluesky-social/indigo/xrpc" 14 + securejoin "github.com/cyphar/filepath-securejoin" 15 + gogit "github.com/go-git/go-git/v5" 16 + "tangled.sh/tangled.sh/core/api/tangled" 17 + "tangled.sh/tangled.sh/core/hook" 18 + "tangled.sh/tangled.sh/core/knotserver/git" 19 + "tangled.sh/tangled.sh/core/rbac" 20 + xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors" 21 + ) 22 + 23 + func (h *Xrpc) CreateRepo(w http.ResponseWriter, r *http.Request) { 24 + l := h.Logger.With("handler", "NewRepo") 25 + fail := func(e xrpcerr.XrpcError) { 26 + l.Error("failed", "kind", e.Tag, "error", e.Message) 27 + writeError(w, e, http.StatusBadRequest) 28 + } 29 + 30 + actorDid, ok := r.Context().Value(ActorDid).(syntax.DID) 31 + if !ok { 32 + fail(xrpcerr.MissingActorDidError) 33 + return 34 + } 35 + 36 + isMember, err := h.Enforcer.IsRepoCreateAllowed(actorDid.String(), rbac.ThisServer) 37 + if err != nil { 38 + fail(xrpcerr.GenericError(err)) 39 + return 40 + } 41 + if !isMember { 42 + fail(xrpcerr.AccessControlError(actorDid.String())) 43 + return 44 + } 45 + 46 + var data tangled.RepoCreate_Input 47 + if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 48 + fail(xrpcerr.GenericError(err)) 49 + return 50 + } 51 + 52 + rkey := data.Rkey 53 + 54 + ident, err := h.Resolver.ResolveIdent(r.Context(), actorDid.String()) 55 + if err != nil || ident.Handle.IsInvalidHandle() { 56 + fail(xrpcerr.GenericError(err)) 57 + return 58 + } 59 + 60 + xrpcc := xrpc.Client{ 61 + Host: ident.PDSEndpoint(), 62 + } 63 + 64 + resp, err := comatproto.RepoGetRecord(r.Context(), &xrpcc, "", tangled.RepoNSID, actorDid.String(), rkey) 65 + if err != nil { 66 + fail(xrpcerr.GenericError(err)) 67 + return 68 + } 69 + 70 + repo := resp.Value.Val.(*tangled.Repo) 71 + 72 + defaultBranch := h.Config.Repo.MainBranch 73 + if data.DefaultBranch != nil && *data.DefaultBranch != "" { 74 + defaultBranch = *data.DefaultBranch 75 + } 76 + 77 + if err := validateRepoName(repo.Name); err != nil { 78 + l.Error("creating repo", "error", err.Error()) 79 + fail(xrpcerr.GenericError(err)) 80 + return 81 + } 82 + 83 + relativeRepoPath := filepath.Join(actorDid.String(), repo.Name) 84 + repoPath, _ := securejoin.SecureJoin(h.Config.Repo.ScanPath, relativeRepoPath) 85 + 86 + if data.Source != nil && *data.Source != "" { 87 + err = git.Fork(repoPath, *data.Source) 88 + if err != nil { 89 + l.Error("forking repo", "error", err.Error()) 90 + writeError(w, xrpcerr.GenericError(err), http.StatusInternalServerError) 91 + return 92 + } 93 + } else { 94 + err = git.InitBare(repoPath, defaultBranch) 95 + if err != nil { 96 + l.Error("initializing bare repo", "error", err.Error()) 97 + if errors.Is(err, gogit.ErrRepositoryAlreadyExists) { 98 + fail(xrpcerr.RepoExistsError("repository already exists")) 99 + return 100 + } else { 101 + writeError(w, xrpcerr.GenericError(err), http.StatusInternalServerError) 102 + return 103 + } 104 + } 105 + } 106 + 107 + // add perms for this user to access the repo 108 + err = h.Enforcer.AddRepo(actorDid.String(), rbac.ThisServer, relativeRepoPath) 109 + if err != nil { 110 + l.Error("adding repo permissions", "error", err.Error()) 111 + writeError(w, xrpcerr.GenericError(err), http.StatusInternalServerError) 112 + return 113 + } 114 + 115 + hook.SetupRepo( 116 + hook.Config( 117 + hook.WithScanPath(h.Config.Repo.ScanPath), 118 + hook.WithInternalApi(h.Config.Server.InternalListenAddr), 119 + ), 120 + repoPath, 121 + ) 122 + 123 + w.WriteHeader(http.StatusOK) 124 + } 125 + 126 + func validateRepoName(name string) error { 127 + // check for path traversal attempts 128 + if name == "." || name == ".." || 129 + strings.Contains(name, "/") || strings.Contains(name, "\\") { 130 + return fmt.Errorf("Repository name contains invalid path characters") 131 + } 132 + 133 + // check for sequences that could be used for traversal when normalized 134 + if strings.Contains(name, "./") || strings.Contains(name, "../") || 135 + strings.HasPrefix(name, ".") || strings.HasSuffix(name, ".") { 136 + return fmt.Errorf("Repository name contains invalid path sequence") 137 + } 138 + 139 + // then continue with character validation 140 + for _, char := range name { 141 + if !((char >= 'a' && char <= 'z') || 142 + (char >= 'A' && char <= 'Z') || 143 + (char >= '0' && char <= '9') || 144 + char == '-' || char == '_' || char == '.') { 145 + return fmt.Errorf("Repository name can only contain alphanumeric characters, periods, hyphens, and underscores") 146 + } 147 + } 148 + 149 + // additional check to prevent multiple sequential dots 150 + if strings.Contains(name, "..") { 151 + return fmt.Errorf("Repository name cannot contain sequential dots") 152 + } 153 + 154 + // if all checks pass 155 + return nil 156 + }
+82
knotserver/xrpc/delete_repo.go
··· 1 + package xrpc 2 + 3 + // import ( 4 + // "encoding/json" 5 + // "fmt" 6 + // "net/http" 7 + // "os" 8 + // "path/filepath" 9 + // 10 + // "github.com/bluesky-social/indigo/atproto/syntax" 11 + // securejoin "github.com/cyphar/filepath-securejoin" 12 + // "tangled.sh/tangled.sh/core/api/tangled" 13 + // "tangled.sh/tangled.sh/core/rbac" 14 + // xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors" 15 + // ) 16 + 17 + // func (x *Xrpc) DeleteRepo(w http.ResponseWriter, r *http.Request) { 18 + // l := x.Logger.With("handler", "DeleteRepo") 19 + // fail := func(e xrpcerr.XrpcError) { 20 + // l.Error("failed", "kind", e.Tag, "error", e.Message) 21 + // writeError(w, e, http.StatusBadRequest) 22 + // } 23 + // 24 + // actorDid, ok := r.Context().Value(ActorDid).(syntax.DID) 25 + // if !ok { 26 + // fail(xrpcerr.MissingActorDidError) 27 + // return 28 + // } 29 + // 30 + // isMember, err := x.Enforcer.IsRepoDeleteAllowed(actorDid.String(), rbac.ThisServer) 31 + // if err != nil { 32 + // fail(xrpcerr.GenericError(err)) 33 + // return 34 + // } 35 + // if !isMember { 36 + // fail(xrpcerr.AccessControlError(actorDid.String())) 37 + // return 38 + // } 39 + // 40 + // var data tangled.RepoDelete_Input 41 + // if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 42 + // fail(xrpcerr.GenericError(err)) 43 + // return 44 + // } 45 + // 46 + // did := data.Did 47 + // name := data.Name 48 + // 49 + // if did == "" || name == "" { 50 + // fail(xrpcerr.GenericError(fmt.Errorf("did and name are required"))) 51 + // return 52 + // } 53 + // 54 + // relativeRepoPath := filepath.Join(did, name) 55 + // if ok, err := x.Enforcer.IsSettingsAllowed(actorDid.String(), rbac.ThisServer, relativeRepoPath); !ok || err != nil { 56 + // l.Error("insufficient permissions", "did", actorDid.String(), "repo", relativeRepoPath) 57 + // writeError(w, xrpcerr.AccessControlError(actorDid.String()), http.StatusUnauthorized) 58 + // return 59 + // } 60 + // 61 + // repoPath, err := securejoin.SecureJoin(x.Config.Repo.ScanPath, relativeRepoPath) 62 + // if err != nil { 63 + // fail(xrpcerr.GenericError(err)) 64 + // return 65 + // } 66 + // 67 + // err = os.RemoveAll(repoPath) 68 + // if err != nil { 69 + // l.Error("deleting repo", "error", err.Error()) 70 + // writeError(w, xrpcerr.GenericError(err), http.StatusInternalServerError) 71 + // return 72 + // } 73 + // 74 + // err = x.Enforcer.RemoveRepo(did, rbac.ThisServer, relativeRepoPath) 75 + // if err != nil { 76 + // l.Error("failed to delete repo from enforcer", "error", err.Error()) 77 + // writeError(w, xrpcerr.GenericError(err), http.StatusInternalServerError) 78 + // return 79 + // } 80 + // 81 + // w.WriteHeader(http.StatusOK) 82 + // }
+111
knotserver/xrpc/fork_status.go
··· 1 + package xrpc 2 + 3 + import ( 4 + "encoding/json" 5 + "fmt" 6 + "net/http" 7 + "path/filepath" 8 + 9 + "github.com/bluesky-social/indigo/atproto/syntax" 10 + securejoin "github.com/cyphar/filepath-securejoin" 11 + "tangled.sh/tangled.sh/core/api/tangled" 12 + "tangled.sh/tangled.sh/core/knotserver/git" 13 + "tangled.sh/tangled.sh/core/rbac" 14 + "tangled.sh/tangled.sh/core/types" 15 + xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors" 16 + ) 17 + 18 + func (x *Xrpc) ForkStatus(w http.ResponseWriter, r *http.Request) { 19 + l := x.Logger.With("handler", "ForkStatus") 20 + fail := func(e xrpcerr.XrpcError) { 21 + l.Error("failed", "kind", e.Tag, "error", e.Message) 22 + writeError(w, e, http.StatusBadRequest) 23 + } 24 + 25 + actorDid, ok := r.Context().Value(ActorDid).(syntax.DID) 26 + if !ok { 27 + fail(xrpcerr.MissingActorDidError) 28 + return 29 + } 30 + 31 + var data tangled.RepoForkStatus_Input 32 + if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 33 + fail(xrpcerr.GenericError(err)) 34 + return 35 + } 36 + 37 + did := data.Did 38 + source := data.Source 39 + branch := data.Branch 40 + hiddenRef := data.HiddenRef 41 + 42 + if did == "" || source == "" || branch == "" || hiddenRef == "" { 43 + fail(xrpcerr.GenericError(fmt.Errorf("did, source, branch, and hiddenRef are required"))) 44 + return 45 + } 46 + 47 + var name string 48 + if data.Name != "" { 49 + name = data.Name 50 + } else { 51 + name = filepath.Base(source) 52 + } 53 + 54 + relativeRepoPath := filepath.Join(did, name) 55 + 56 + if ok, err := x.Enforcer.IsPushAllowed(actorDid.String(), rbac.ThisServer, relativeRepoPath); !ok || err != nil { 57 + l.Error("insufficient permissions", "did", actorDid.String(), "repo", relativeRepoPath) 58 + writeError(w, xrpcerr.AccessControlError(actorDid.String()), http.StatusUnauthorized) 59 + return 60 + } 61 + 62 + repoPath, err := securejoin.SecureJoin(x.Config.Repo.ScanPath, relativeRepoPath) 63 + if err != nil { 64 + fail(xrpcerr.GenericError(err)) 65 + return 66 + } 67 + 68 + gr, err := git.PlainOpen(repoPath) 69 + if err != nil { 70 + fail(xrpcerr.GenericError(fmt.Errorf("failed to open repository: %w", err))) 71 + return 72 + } 73 + 74 + forkCommit, err := gr.ResolveRevision(branch) 75 + if err != nil { 76 + l.Error("error resolving ref revision", "msg", err.Error()) 77 + fail(xrpcerr.GenericError(fmt.Errorf("error resolving revision %s: %w", branch, err))) 78 + return 79 + } 80 + 81 + sourceCommit, err := gr.ResolveRevision(hiddenRef) 82 + if err != nil { 83 + l.Error("error resolving hidden ref revision", "msg", err.Error()) 84 + fail(xrpcerr.GenericError(fmt.Errorf("error resolving revision %s: %w", hiddenRef, err))) 85 + return 86 + } 87 + 88 + status := types.UpToDate 89 + if forkCommit.Hash.String() != sourceCommit.Hash.String() { 90 + isAncestor, err := forkCommit.IsAncestor(sourceCommit) 91 + if err != nil { 92 + l.Error("error checking ancestor relationship", "error", err.Error()) 93 + fail(xrpcerr.GenericError(fmt.Errorf("error resolving whether %s is ancestor of %s: %w", branch, hiddenRef, err))) 94 + return 95 + } 96 + 97 + if isAncestor { 98 + status = types.FastForwardable 99 + } else { 100 + status = types.Conflict 101 + } 102 + } 103 + 104 + response := tangled.RepoForkStatus_Output{ 105 + Status: int64(status), 106 + } 107 + 108 + w.Header().Set("Content-Type", "application/json") 109 + w.WriteHeader(http.StatusOK) 110 + json.NewEncoder(w).Encode(response) 111 + }
+73
knotserver/xrpc/fork_sync.go
··· 1 + package xrpc 2 + 3 + import ( 4 + "encoding/json" 5 + "fmt" 6 + "net/http" 7 + "path/filepath" 8 + 9 + "github.com/bluesky-social/indigo/atproto/syntax" 10 + securejoin "github.com/cyphar/filepath-securejoin" 11 + "tangled.sh/tangled.sh/core/api/tangled" 12 + "tangled.sh/tangled.sh/core/knotserver/git" 13 + "tangled.sh/tangled.sh/core/rbac" 14 + xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors" 15 + ) 16 + 17 + func (x *Xrpc) ForkSync(w http.ResponseWriter, r *http.Request) { 18 + l := x.Logger.With("handler", "ForkSync") 19 + fail := func(e xrpcerr.XrpcError) { 20 + l.Error("failed", "kind", e.Tag, "error", e.Message) 21 + writeError(w, e, http.StatusBadRequest) 22 + } 23 + 24 + actorDid, ok := r.Context().Value(ActorDid).(syntax.DID) 25 + if !ok { 26 + fail(xrpcerr.MissingActorDidError) 27 + return 28 + } 29 + 30 + var data tangled.RepoForkSync_Input 31 + if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 32 + fail(xrpcerr.GenericError(err)) 33 + return 34 + } 35 + 36 + did := data.Did 37 + name := data.Name 38 + branch := data.Branch 39 + 40 + if did == "" || name == "" { 41 + fail(xrpcerr.GenericError(fmt.Errorf("did, name are required"))) 42 + return 43 + } 44 + 45 + relativeRepoPath := filepath.Join(did, name) 46 + 47 + if ok, err := x.Enforcer.IsPushAllowed(actorDid.String(), rbac.ThisServer, relativeRepoPath); !ok || err != nil { 48 + l.Error("insufficient permissions", "did", actorDid.String(), "repo", relativeRepoPath) 49 + writeError(w, xrpcerr.AccessControlError(actorDid.String()), http.StatusUnauthorized) 50 + return 51 + } 52 + 53 + repoPath, err := securejoin.SecureJoin(x.Config.Repo.ScanPath, relativeRepoPath) 54 + if err != nil { 55 + fail(xrpcerr.GenericError(err)) 56 + return 57 + } 58 + 59 + gr, err := git.Open(repoPath, branch) 60 + if err != nil { 61 + fail(xrpcerr.GenericError(fmt.Errorf("failed to open repository: %w", err))) 62 + return 63 + } 64 + 65 + err = gr.Sync() 66 + if err != nil { 67 + l.Error("error syncing repo fork", "error", err.Error()) 68 + writeError(w, xrpcerr.GenericError(err), http.StatusInternalServerError) 69 + return 70 + } 71 + 72 + w.WriteHeader(http.StatusOK) 73 + }
+104
knotserver/xrpc/hidden_ref.go
··· 1 + package xrpc 2 + 3 + import ( 4 + "encoding/json" 5 + "fmt" 6 + "net/http" 7 + 8 + comatproto "github.com/bluesky-social/indigo/api/atproto" 9 + "github.com/bluesky-social/indigo/atproto/syntax" 10 + "github.com/bluesky-social/indigo/xrpc" 11 + securejoin "github.com/cyphar/filepath-securejoin" 12 + "tangled.sh/tangled.sh/core/api/tangled" 13 + "tangled.sh/tangled.sh/core/knotserver/git" 14 + "tangled.sh/tangled.sh/core/rbac" 15 + xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors" 16 + ) 17 + 18 + func (x *Xrpc) HiddenRef(w http.ResponseWriter, r *http.Request) { 19 + l := x.Logger.With("handler", "HiddenRef") 20 + fail := func(e xrpcerr.XrpcError) { 21 + l.Error("failed", "kind", e.Tag, "error", e.Message) 22 + writeError(w, e, http.StatusBadRequest) 23 + } 24 + 25 + actorDid, ok := r.Context().Value(ActorDid).(syntax.DID) 26 + if !ok { 27 + fail(xrpcerr.MissingActorDidError) 28 + return 29 + } 30 + 31 + var data tangled.RepoHiddenRef_Input 32 + if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 33 + fail(xrpcerr.GenericError(err)) 34 + return 35 + } 36 + 37 + forkRef := data.ForkRef 38 + remoteRef := data.RemoteRef 39 + repoAtUri := data.Repo 40 + 41 + if forkRef == "" || remoteRef == "" || repoAtUri == "" { 42 + fail(xrpcerr.GenericError(fmt.Errorf("forkRef, remoteRef, and repo are required"))) 43 + return 44 + } 45 + 46 + repoAt, err := syntax.ParseATURI(repoAtUri) 47 + if err != nil { 48 + fail(xrpcerr.InvalidRepoError(repoAtUri)) 49 + return 50 + } 51 + 52 + ident, err := x.Resolver.ResolveIdent(r.Context(), repoAt.Authority().String()) 53 + if err != nil || ident.Handle.IsInvalidHandle() { 54 + fail(xrpcerr.GenericError(fmt.Errorf("failed to resolve handle: %w", err))) 55 + return 56 + } 57 + 58 + xrpcc := xrpc.Client{Host: ident.PDSEndpoint()} 59 + resp, err := comatproto.RepoGetRecord(r.Context(), &xrpcc, "", tangled.RepoNSID, repoAt.Authority().String(), repoAt.RecordKey().String()) 60 + if err != nil { 61 + fail(xrpcerr.GenericError(err)) 62 + return 63 + } 64 + 65 + repo := resp.Value.Val.(*tangled.Repo) 66 + didPath, err := securejoin.SecureJoin(actorDid.String(), repo.Name) 67 + if err != nil { 68 + fail(xrpcerr.GenericError(err)) 69 + return 70 + } 71 + 72 + if ok, err := x.Enforcer.IsPushAllowed(actorDid.String(), rbac.ThisServer, didPath); !ok || err != nil { 73 + l.Error("insufficient permissions", "did", actorDid.String(), "repo", didPath) 74 + writeError(w, xrpcerr.AccessControlError(actorDid.String()), http.StatusUnauthorized) 75 + return 76 + } 77 + 78 + repoPath, err := securejoin.SecureJoin(x.Config.Repo.ScanPath, didPath) 79 + if err != nil { 80 + fail(xrpcerr.GenericError(err)) 81 + return 82 + } 83 + 84 + gr, err := git.PlainOpen(repoPath) 85 + if err != nil { 86 + fail(xrpcerr.GenericError(fmt.Errorf("failed to open repository: %w", err))) 87 + return 88 + } 89 + 90 + err = gr.TrackHiddenRemoteRef(forkRef, remoteRef) 91 + if err != nil { 92 + l.Error("error tracking hidden remote ref", "error", err.Error()) 93 + writeError(w, xrpcerr.GitError(err), http.StatusInternalServerError) 94 + return 95 + } 96 + 97 + response := tangled.RepoHiddenRef_Output{ 98 + Success: true, 99 + } 100 + 101 + w.Header().Set("Content-Type", "application/json") 102 + w.WriteHeader(http.StatusOK) 103 + json.NewEncoder(w).Encode(response) 104 + }
+112
knotserver/xrpc/merge.go
··· 1 + package xrpc 2 + 3 + import ( 4 + "encoding/json" 5 + "errors" 6 + "fmt" 7 + "net/http" 8 + 9 + "github.com/bluesky-social/indigo/atproto/syntax" 10 + securejoin "github.com/cyphar/filepath-securejoin" 11 + "tangled.sh/tangled.sh/core/api/tangled" 12 + "tangled.sh/tangled.sh/core/knotserver/git" 13 + "tangled.sh/tangled.sh/core/patchutil" 14 + "tangled.sh/tangled.sh/core/rbac" 15 + "tangled.sh/tangled.sh/core/types" 16 + xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors" 17 + ) 18 + 19 + func (x *Xrpc) Merge(w http.ResponseWriter, r *http.Request) { 20 + l := x.Logger.With("handler", "Merge") 21 + fail := func(e xrpcerr.XrpcError) { 22 + l.Error("failed", "kind", e.Tag, "error", e.Message) 23 + writeError(w, e, http.StatusBadRequest) 24 + } 25 + 26 + actorDid, ok := r.Context().Value(ActorDid).(syntax.DID) 27 + if !ok { 28 + fail(xrpcerr.MissingActorDidError) 29 + return 30 + } 31 + 32 + var data tangled.RepoMerge_Input 33 + if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 34 + fail(xrpcerr.GenericError(err)) 35 + return 36 + } 37 + 38 + did := data.Did 39 + name := data.Name 40 + 41 + if did == "" || name == "" { 42 + fail(xrpcerr.GenericError(fmt.Errorf("did and name are required"))) 43 + return 44 + } 45 + 46 + relativeRepoPath, err := securejoin.SecureJoin(did, name) 47 + if err != nil { 48 + fail(xrpcerr.GenericError(err)) 49 + return 50 + } 51 + 52 + if ok, err := x.Enforcer.IsPushAllowed(actorDid.String(), rbac.ThisServer, relativeRepoPath); !ok || err != nil { 53 + l.Error("insufficient permissions", "did", actorDid.String(), "repo", relativeRepoPath) 54 + writeError(w, xrpcerr.AccessControlError(actorDid.String()), http.StatusUnauthorized) 55 + return 56 + } 57 + 58 + repoPath, err := securejoin.SecureJoin(x.Config.Repo.ScanPath, relativeRepoPath) 59 + if err != nil { 60 + fail(xrpcerr.GenericError(err)) 61 + return 62 + } 63 + 64 + gr, err := git.Open(repoPath, data.Branch) 65 + if err != nil { 66 + fail(xrpcerr.GenericError(fmt.Errorf("failed to open repository: %w", err))) 67 + return 68 + } 69 + 70 + mo := &git.MergeOptions{} 71 + if data.AuthorName != nil { 72 + mo.AuthorName = *data.AuthorName 73 + } 74 + if data.AuthorEmail != nil { 75 + mo.AuthorEmail = *data.AuthorEmail 76 + } 77 + if data.CommitBody != nil { 78 + mo.CommitBody = *data.CommitBody 79 + } 80 + if data.CommitMessage != nil { 81 + mo.CommitMessage = *data.CommitMessage 82 + } 83 + 84 + mo.FormatPatch = patchutil.IsFormatPatch(data.Patch) 85 + 86 + err = gr.MergeWithOptions([]byte(data.Patch), data.Branch, mo) 87 + if err != nil { 88 + var mergeErr *git.ErrMerge 89 + if errors.As(err, &mergeErr) { 90 + conflicts := make([]types.ConflictInfo, len(mergeErr.Conflicts)) 91 + for i, conflict := range mergeErr.Conflicts { 92 + conflicts[i] = types.ConflictInfo{ 93 + Filename: conflict.Filename, 94 + Reason: conflict.Reason, 95 + } 96 + } 97 + 98 + conflictErr := xrpcerr.NewXrpcError( 99 + xrpcerr.WithTag("MergeConflict"), 100 + xrpcerr.WithMessage(fmt.Sprintf("Merge failed due to conflicts: %s", mergeErr.Message)), 101 + ) 102 + writeError(w, conflictErr, http.StatusConflict) 103 + return 104 + } else { 105 + l.Error("failed to merge", "error", err.Error()) 106 + writeError(w, xrpcerr.GitError(err), http.StatusInternalServerError) 107 + return 108 + } 109 + } 110 + 111 + w.WriteHeader(http.StatusOK) 112 + }
+87
knotserver/xrpc/merge_check.go
··· 1 + package xrpc 2 + 3 + import ( 4 + "encoding/json" 5 + "errors" 6 + "fmt" 7 + "net/http" 8 + 9 + securejoin "github.com/cyphar/filepath-securejoin" 10 + "tangled.sh/tangled.sh/core/api/tangled" 11 + "tangled.sh/tangled.sh/core/knotserver/git" 12 + xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors" 13 + ) 14 + 15 + func (x *Xrpc) MergeCheck(w http.ResponseWriter, r *http.Request) { 16 + l := x.Logger.With("handler", "MergeCheck") 17 + fail := func(e xrpcerr.XrpcError) { 18 + l.Error("failed", "kind", e.Tag, "error", e.Message) 19 + writeError(w, e, http.StatusBadRequest) 20 + } 21 + 22 + var data tangled.RepoMergeCheck_Input 23 + if err := json.NewDecoder(r.Body).Decode(&data); err != nil { 24 + fail(xrpcerr.GenericError(err)) 25 + return 26 + } 27 + 28 + did := data.Did 29 + name := data.Name 30 + 31 + if did == "" || name == "" { 32 + fail(xrpcerr.GenericError(fmt.Errorf("did and name are required"))) 33 + return 34 + } 35 + 36 + relativeRepoPath, err := securejoin.SecureJoin(did, name) 37 + if err != nil { 38 + fail(xrpcerr.GenericError(err)) 39 + return 40 + } 41 + 42 + repoPath, err := securejoin.SecureJoin(x.Config.Repo.ScanPath, relativeRepoPath) 43 + if err != nil { 44 + fail(xrpcerr.GenericError(err)) 45 + return 46 + } 47 + 48 + gr, err := git.Open(repoPath, data.Branch) 49 + if err != nil { 50 + fail(xrpcerr.GenericError(fmt.Errorf("failed to open repository: %w", err))) 51 + return 52 + } 53 + 54 + err = gr.MergeCheck([]byte(data.Patch), data.Branch) 55 + 56 + response := tangled.RepoMergeCheck_Output{ 57 + Is_conflicted: false, 58 + } 59 + 60 + if err != nil { 61 + var mergeErr *git.ErrMerge 62 + if errors.As(err, &mergeErr) { 63 + response.Is_conflicted = true 64 + 65 + conflicts := make([]*tangled.RepoMergeCheck_ConflictInfo, len(mergeErr.Conflicts)) 66 + for i, conflict := range mergeErr.Conflicts { 67 + conflicts[i] = &tangled.RepoMergeCheck_ConflictInfo{ 68 + Filename: conflict.Filename, 69 + Reason: conflict.Reason, 70 + } 71 + } 72 + response.Conflicts = conflicts 73 + 74 + if mergeErr.Message != "" { 75 + response.Message = &mergeErr.Message 76 + } 77 + } else { 78 + response.Is_conflicted = true 79 + errMsg := err.Error() 80 + response.Error = &errMsg 81 + } 82 + } 83 + 84 + w.Header().Set("Content-Type", "application/json") 85 + w.WriteHeader(http.StatusOK) 86 + json.NewEncoder(w).Encode(response) 87 + }
+13 -4
knotserver/xrpc/router.go
··· 31 31 32 32 func (x *Xrpc) Router() http.Handler { 33 33 r := chi.NewRouter() 34 + r.Group(func(r chi.Router) { 35 + r.Use(x.ServiceAuth.VerifyServiceAuth) 36 + 37 + r.Post("/"+tangled.RepoSetDefaultBranchNSID, x.SetDefaultBranch) 38 + r.Post("/"+tangled.RepoCreateNSID, x.CreateRepo) 39 + r.Post("/"+tangled.RepoDeleteNSID, x.DeleteRepo) 40 + r.Post("/"+tangled.RepoForkNSID, x.ForkRepo) 41 + r.Post("/"+tangled.RepoForkStatusNSID, x.ForkStatus) 42 + r.Post("/"+tangled.RepoForkSyncNSID, x.ForkSync) 34 43 35 - r.With(x.ServiceAuth.VerifyServiceAuth).Post("/"+tangled.RepoSetDefaultBranchNSID, x.SetDefaultBranch) 44 + r.Post("/"+tangled.RepoHiddenRefNSID, x.HiddenRef) 36 45 46 + r.Post("/"+tangled.RepoMergeNSID, x.Merge) 47 + r.Post("/"+tangled.RepoMergeCheckNSID, x.MergeCheck) 48 + }) 37 49 return r 38 50 } 39 51 40 - // this is slightly different from http_util::write_error to follow the spec: 41 - // 42 - // the json object returned must include an "error" and a "message" 43 52 func writeError(w http.ResponseWriter, e xrpcerr.XrpcError, status int) { 44 53 w.Header().Set("Content-Type", "application/json") 45 54 w.WriteHeader(status)