1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
package main
import (
"fmt"
"io/ioutil"
"net/http"
"os/user"
"path"
"strings"
"time"
)
func ServeGit(out http.ResponseWriter, in *http.Request) {
PostHack(in)
upath := in.URL.Path
if strings.HasPrefix(upath, "/") {
upath = "/" + upath
}
upath = path.Clean(upath)
errcheck(GitPull())
tree, err := GitLsTree()
errcheck(err)
file, fileExists := tree[upath]
if file.Type == "tree" && in.Method != http.MethodPut {
if !strings.HasSuffix(in.URL.Path, "/") {
out.Header().Set("Location", path.Base(upath)+"/")
out.WriteHeader(http.StatusMovedPermanently)
return
}
if !strings.HasSuffix(upath, "/") {
upath = upath + "/"
}
}
switch in.Method {
case http.MethodGet, http.MethodHead:
out.Header().Set("Content-Type", "text/html; charset=utf-8")
if file.Type == "tree" {
errcheck(renderViewTree(out, upath, tree))
} else {
if fileExists {
errcheck(renderViewBlob(out, upath, &file))
} else {
errcheck(renderViewBlob(out, upath, nil))
}
}
if fileExists {
out.WriteHeader(http.StatusOK)
} else {
out.WriteHeader(http.StatusNotFound)
}
case http.MethodPut:
username := in.Header.Get("X-Nginx-User")
userinfo, err := user.Lookup(username)
errcheck(err)
msg := in.Header.Get("X-Commit-Message")
if msg == "" {
msg = fmt.Sprintf("web edit: create/modify %q", upath)
}
content, err := ioutil.ReadAll(in.Body)
errcheck(err)
edit := Edit{
UserName: userinfo.Name,
UserEmail: username + "@edit.team4272.com",
Time: time.Now(),
Message: msg + "\n",
Files: map[string][]byte{
upath[1:]: content,
},
}
errcheck(GitCommit(edit))
errcheck(GitPush())
errcheck(renderModified(out, upath))
if fileExists {
out.WriteHeader(http.StatusOK)
} else {
out.WriteHeader(http.StatusCreated)
}
case http.MethodDelete:
if !fileExists {
http.NotFound(out, in)
return
}
username := in.Header.Get("X-Nginx-User")
userinfo, err := user.Lookup(username)
errcheck(err)
msg := in.Header.Get("X-Commit-Message")
if msg == "" {
msg = fmt.Sprintf("web edit: delete %q", upath)
}
edit := Edit{
UserName: userinfo.Name,
UserEmail: username + "@edit.team4272.com",
Time: time.Now(),
Message: msg + "\n",
Files: map[string][]byte{
upath[1:]: nil,
},
}
errcheck(GitCommit(edit))
errcheck(GitPush())
errcheck(renderDeleted(out, upath))
out.WriteHeader(http.StatusOK)
case http.MethodOptions:
if !fileExists {
http.NotFound(out, in)
return
}
// POST because PostHack
out.Header().Set("Allow", "GET, HEAD, PUT, POST, DELETE, OPTIONS")
out.WriteHeader(http.StatusOK)
default:
if !fileExists {
http.NotFound(out, in)
return
}
out.Header().Set("Allow", "GET, HEAD, PUT, POST, DELETE, OPTIONS")
out.WriteHeader(http.StatusMethodNotAllowed)
}
}
|
