lewis.moe
Monorepo for Tangled
1package xrpc
2
3import (
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 "tangled.org/core/api/tangled"
12 "tangled.org/core/knotserver/git"
13 "tangled.org/core/rbac"
14
15 xrpcerr "tangled.org/core/xrpc/errors"
16)
17
18const ActorDid string = "ActorDid"
19
20func (x *Xrpc) SetDefaultBranch(w http.ResponseWriter, r *http.Request) {
21 l := x.Logger
22 fail := func(e xrpcerr.XrpcError) {
23 l.Error("failed", "kind", e.Tag, "error", e.Message)
24 writeError(w, e, http.StatusBadRequest)
25 }
26
27 actorDid, ok := r.Context().Value(ActorDid).(syntax.DID)
28 if !ok {
29 fail(xrpcerr.MissingActorDidError)
30 return
31 }
32
33 var data tangled.RepoSetDefaultBranch_Input
34 if err := json.NewDecoder(r.Body).Decode(&data); err != nil {
35 fail(xrpcerr.GenericError(err))
36 return
37 }
38
39 // unfortunately we have to resolve repo-at here
40 repoAt, err := syntax.ParseATURI(data.Repo)
41 if err != nil {
42 fail(xrpcerr.InvalidRepoError(data.Repo))
43 return
44 }
45
46 // resolve this aturi to extract the repo record
47 ident, err := x.Resolver.ResolveIdent(r.Context(), repoAt.Authority().String())
48 if err != nil || ident.Handle.IsInvalidHandle() {
49 fail(xrpcerr.GenericError(fmt.Errorf("failed to resolve handle: %w", err)))
50 return
51 }
52
53 xrpcc := xrpc.Client{Host: ident.PDSEndpoint()}
54 resp, err := comatproto.RepoGetRecord(r.Context(), &xrpcc, "", tangled.RepoNSID, repoAt.Authority().String(), repoAt.RecordKey().String())
55 if err != nil {
56 fail(xrpcerr.GenericError(err))
57 return
58 }
59
60 repo := resp.Value.Val.(*tangled.Repo)
61 repoDid, err := x.Db.GetRepoDid(actorDid.String(), repo.Name)
62 if err != nil {
63 fail(xrpcerr.RepoNotFoundError)
64 return
65 }
66 repoPath, _, _, err := x.Db.ResolveRepoDIDOnDisk(x.Config.Repo.ScanPath, repoDid)
67 if err != nil {
68 fail(xrpcerr.RepoNotFoundError)
69 return
70 }
71
72 if ok, err := x.Enforcer.IsPushAllowed(actorDid.String(), rbac.ThisServer, repoDid); !ok || err != nil {
73 l.Error("insufficent permissions", "did", actorDid.String())
74 writeError(w, xrpcerr.AccessControlError(actorDid.String()), http.StatusUnauthorized)
75 return
76 }
77
78 gr, err := git.PlainOpen(repoPath)
79 if err != nil {
80 fail(xrpcerr.GenericError(err))
81 return
82 }
83
84 err = gr.SetDefaultBranch(data.DefaultBranch)
85 if err != nil {
86 l.Error("setting default branch", "error", err.Error())
87 writeError(w, xrpcerr.GitError(err), http.StatusInternalServerError)
88 return
89 }
90
91 w.WriteHeader(http.StatusOK)
92}