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tangled.org
1package state
2
3import (
4 "context"
5 "crypto/rand"
6 "fmt"
7 "log"
8 "math/big"
9 "net/http"
10
11 "github.com/bluesky-social/indigo/atproto/identity"
12 "github.com/bluesky-social/indigo/atproto/syntax"
13 "github.com/go-chi/chi/v5"
14 "github.com/go-git/go-git/v5/plumbing/object"
15 "tangled.sh/tangled.sh/core/appview/auth"
16 "tangled.sh/tangled.sh/core/appview/db"
17 "tangled.sh/tangled.sh/core/appview/pages"
18)
19
20func fullyResolvedRepo(r *http.Request) (*FullyResolvedRepo, error) {
21 repoName := chi.URLParam(r, "repo")
22 knot, ok := r.Context().Value("knot").(string)
23 if !ok {
24 log.Println("malformed middleware")
25 return nil, fmt.Errorf("malformed middleware")
26 }
27 id, ok := r.Context().Value("resolvedId").(identity.Identity)
28 if !ok {
29 log.Println("malformed middleware")
30 return nil, fmt.Errorf("malformed middleware")
31 }
32
33 repoAt, ok := r.Context().Value("repoAt").(string)
34 if !ok {
35 log.Println("malformed middleware")
36 return nil, fmt.Errorf("malformed middleware")
37 }
38
39 parsedRepoAt, err := syntax.ParseATURI(repoAt)
40 if err != nil {
41 log.Println("malformed repo at-uri")
42 return nil, fmt.Errorf("malformed middleware")
43 }
44
45 // pass through values from the middleware
46 description, ok := r.Context().Value("repoDescription").(string)
47 addedAt, ok := r.Context().Value("repoAddedAt").(string)
48
49 return &FullyResolvedRepo{
50 Knot: knot,
51 OwnerId: id,
52 RepoName: repoName,
53 RepoAt: parsedRepoAt,
54 Description: description,
55 AddedAt: addedAt,
56 }, nil
57}
58
59func RolesInRepo(s *State, u *auth.User, f *FullyResolvedRepo) pages.RolesInRepo {
60 if u != nil {
61 ownerSlashRepo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.RepoName)
62 r := s.enforcer.GetPermissionsInRepo(u.Did, f.Knot, ownerSlashRepo)
63 return pages.RolesInRepo{r}
64 } else {
65 return pages.RolesInRepo{}
66 }
67}
68
69func uniqueEmails(commits []*object.Commit) []string {
70 emails := make(map[string]struct{})
71 for _, commit := range commits {
72 if commit.Author.Email != "" {
73 emails[commit.Author.Email] = struct{}{}
74 }
75 if commit.Committer.Email != "" {
76 emails[commit.Committer.Email] = struct{}{}
77 }
78 }
79 var uniqueEmails []string
80 for email := range emails {
81 uniqueEmails = append(uniqueEmails, email)
82 }
83 return uniqueEmails
84}
85
86func EmailToDidOrHandle(s *State, emails []string) map[string]string {
87 emailToDid, err := db.GetEmailToDid(s.db, emails, true) // only get verified emails for mapping
88 if err != nil {
89 log.Printf("error fetching dids for emails: %v", err)
90 return nil
91 }
92
93 var dids []string
94 for _, v := range emailToDid {
95 dids = append(dids, v)
96 }
97 resolvedIdents := s.resolver.ResolveIdents(context.Background(), dids)
98
99 didHandleMap := make(map[string]string)
100 for _, identity := range resolvedIdents {
101 if !identity.Handle.IsInvalidHandle() {
102 didHandleMap[identity.DID.String()] = fmt.Sprintf("@%s", identity.Handle.String())
103 } else {
104 didHandleMap[identity.DID.String()] = identity.DID.String()
105 }
106 }
107
108 // Create map of email to didOrHandle for commit display
109 emailToDidOrHandle := make(map[string]string)
110 for email, did := range emailToDid {
111 if didOrHandle, ok := didHandleMap[did]; ok {
112 emailToDidOrHandle[email] = didOrHandle
113 }
114 }
115
116 return emailToDidOrHandle
117}
118
119func randomString(n int) string {
120 const letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
121 result := make([]byte, n)
122
123 for i := 0; i < n; i++ {
124 n, _ := rand.Int(rand.Reader, big.NewInt(int64(len(letters))))
125 result[i] = letters[n.Int64()]
126 }
127
128 return string(result)
129}