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tangled.org
1package routes
2
3import (
4 "fmt"
5 "io/fs"
6 "log"
7 "net/http"
8 "os"
9 "path/filepath"
10 "strings"
11
12 "github.com/go-chi/chi/v5"
13 "github.com/icyphox/bild/legit/git"
14 "github.com/microcosm-cc/bluemonday"
15)
16
17func sanitize(content []byte) []byte {
18 return bluemonday.UGCPolicy().SanitizeBytes([]byte(content))
19}
20
21func isGoModule(gr *git.GitRepo) bool {
22 _, err := gr.FileContent("go.mod")
23 return err == nil
24}
25
26func uniqueName(r *http.Request) string {
27 user := chi.URLParam(r, "user")
28 name := chi.URLParam(r, "name")
29 return fmt.Sprintf("@%s/%s", user, name)
30}
31
32func getDisplayName(name string) string {
33 return strings.TrimSuffix(name, ".git")
34}
35
36func getDescription(path string) (desc string) {
37 db, err := os.ReadFile(filepath.Join(path, "description"))
38 if err == nil {
39 desc = string(db)
40 } else {
41 desc = ""
42 }
43 return
44}
45
46func (h *Handle) isUnlisted(name string) bool {
47 for _, i := range h.c.Repo.Unlisted {
48 if name == i {
49 return true
50 }
51 }
52
53 return false
54}
55
56func (h *Handle) isIgnored(name string) bool {
57 for _, i := range h.c.Repo.Ignore {
58 if name == i {
59 return true
60 }
61 }
62
63 return false
64}
65
66type repoInfo struct {
67 Git *git.GitRepo
68 Path string
69 Category string
70}
71
72func (d *Handle) getAllRepos() ([]repoInfo, error) {
73 repos := []repoInfo{}
74 max := strings.Count(d.c.Repo.ScanPath, string(os.PathSeparator)) + 2
75
76 err := filepath.WalkDir(d.c.Repo.ScanPath, func(path string, de fs.DirEntry, err error) error {
77 if err != nil {
78 return err
79 }
80
81 if de.IsDir() {
82 // Check if we've exceeded our recursion depth
83 if strings.Count(path, string(os.PathSeparator)) > max {
84 return fs.SkipDir
85 }
86
87 if d.isIgnored(path) {
88 return fs.SkipDir
89 }
90
91 // A bare repo should always have at least a HEAD file, if it
92 // doesn't we can continue recursing
93 if _, err := os.Lstat(filepath.Join(path, "HEAD")); err == nil {
94 repo, err := git.Open(path, "")
95 if err != nil {
96 log.Println(err)
97 } else {
98 relpath, _ := filepath.Rel(d.c.Repo.ScanPath, path)
99 repos = append(repos, repoInfo{
100 Git: repo,
101 Path: relpath,
102 Category: d.category(path),
103 })
104 // Since we found a Git repo, we don't want to recurse
105 // further
106 return fs.SkipDir
107 }
108 }
109 }
110 return nil
111 })
112
113 return repos, err
114}
115
116func (d *Handle) category(path string) string {
117 return strings.TrimPrefix(filepath.Dir(strings.TrimPrefix(path, d.c.Repo.ScanPath)), string(os.PathSeparator))
118}
119
120func setContentDisposition(w http.ResponseWriter, name string) {
121 h := "inline; filename=\"" + name + "\""
122 w.Header().Add("Content-Disposition", h)
123}
124
125func setGZipMIME(w http.ResponseWriter) {
126 setMIME(w, "application/gzip")
127}
128
129func setMIME(w http.ResponseWriter, mime string) {
130 w.Header().Add("Content-Type", mime)
131}