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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package util
import (
"errors"
"net/url"
"os"
"path"
"path/filepath"
"regexp"
"runtime"
"strings"
)
// CleanPath ensure to clean the path
func CleanPath(p string) string {
if strings.HasPrefix(p, "/") {
return path.Clean(p)
}
return path.Clean("/" + p)[1:]
}
// EnsureAbsolutePath ensure that a path is absolute, making it
// relative to absoluteBase if necessary
func EnsureAbsolutePath(path, absoluteBase string) string {
if filepath.IsAbs(path) {
return path
}
return filepath.Join(absoluteBase, path)
}
// IsDir returns true if given path is a directory,
// or returns false when it's a file or does not exist.
func IsDir(dir string) (bool, error) {
f, err := os.Stat(dir)
if err == nil {
return f.IsDir(), nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
// IsFile returns true if given path is a file,
// or returns false when it's a directory or does not exist.
func IsFile(filePath string) (bool, error) {
f, err := os.Stat(filePath)
if err == nil {
return !f.IsDir(), nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
// IsExist checks whether a file or directory exists.
// It returns false when the file or directory does not exist.
func IsExist(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil || os.IsExist(err) {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func statDir(dirPath, recPath string, includeDir, isDirOnly, followSymlinks bool) ([]string, error) {
dir, err := os.Open(dirPath)
if err != nil {
return nil, err
}
defer dir.Close()
fis, err := dir.Readdir(0)
if err != nil {
return nil, err
}
statList := make([]string, 0)
for _, fi := range fis {
if CommonSkip(fi.Name()) {
continue
}
relPath := path.Join(recPath, fi.Name())
curPath := path.Join(dirPath, fi.Name())
if fi.IsDir() {
if includeDir {
statList = append(statList, relPath+"/")
}
s, err := statDir(curPath, relPath, includeDir, isDirOnly, followSymlinks)
if err != nil {
return nil, err
}
statList = append(statList, s...)
} else if !isDirOnly {
statList = append(statList, relPath)
} else if followSymlinks && fi.Mode()&os.ModeSymlink != 0 {
link, err := os.Readlink(curPath)
if err != nil {
return nil, err
}
isDir, err := IsDir(link)
if err != nil {
return nil, err
}
if isDir {
if includeDir {
statList = append(statList, relPath+"/")
}
s, err := statDir(curPath, relPath, includeDir, isDirOnly, followSymlinks)
if err != nil {
return nil, err
}
statList = append(statList, s...)
}
}
}
return statList, nil
}
// StatDir gathers information of given directory by depth-first.
// It returns slice of file list and includes subdirectories if enabled;
// it returns error and nil slice when error occurs in underlying functions,
// or given path is not a directory or does not exist.
//
// Slice does not include given path itself.
// If subdirectories is enabled, they will have suffix '/'.
func StatDir(rootPath string, includeDir ...bool) ([]string, error) {
if isDir, err := IsDir(rootPath); err != nil {
return nil, err
} else if !isDir {
return nil, errors.New("not a directory or does not exist: " + rootPath)
}
isIncludeDir := false
if len(includeDir) != 0 {
isIncludeDir = includeDir[0]
}
return statDir(rootPath, "", isIncludeDir, false, false)
}
func isOSWindows() bool {
return runtime.GOOS == "windows"
}
// FileURLToPath extracts the path information from a file://... url.
func FileURLToPath(u *url.URL) (string, error) {
if u.Scheme != "file" {
return "", errors.New("URL scheme is not 'file': " + u.String())
}
path := u.Path
if !isOSWindows() {
return path, nil
}
// If it looks like there's a Windows drive letter at the beginning, strip off the leading slash.
re := regexp.MustCompile("/[A-Za-z]:/")
if re.MatchString(path) {
return path[1:], nil
}
return path, nil
}
// HomeDir returns path of '~'(in Linux) on Windows,
// it returns error when the variable does not exist.
func HomeDir() (home string, err error) {
// TODO: some users run Gitea with mismatched uid and "HOME=xxx" (they set HOME=xxx by environment manually)
// TODO: when running gitea as a sub command inside git, the HOME directory is not the user's home directory
// so at the moment we can not use `user.Current().HomeDir`
if isOSWindows() {
home = os.Getenv("USERPROFILE")
if home == "" {
home = os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
}
} else {
home = os.Getenv("HOME")
}
if home == "" {
return "", errors.New("cannot get home directory")
}
return home, nil
}
// CommonSkip will check a provided name to see if it represents file or directory that should not be watched
func CommonSkip(name string) bool {
if name == "" {
return true
}
switch name[0] {
case '.':
return true
case 't', 'T':
return name[1:] == "humbs.db"
case 'd', 'D':
return name[1:] == "esktop.ini"
}
return false
}
// IsReadmeFileName reports whether name looks like a README file
// based on its name.
func IsReadmeFileName(name string) bool {
name = strings.ToLower(name)
if len(name) < 6 {
return false
} else if len(name) == 6 {
return name == "readme"
}
return name[:7] == "readme."
}
// IsReadmeFileExtension reports whether name looks like a README file
// based on its name. It will look through the provided extensions and check if the file matches
// one of the extensions and provide the index in the extension list.
// If the filename is `readme.` with an unmatched extension it will match with the index equaling
// the length of the provided extension list.
// Note that the '.' should be provided in ext, e.g ".md"
func IsReadmeFileExtension(name string, ext ...string) (int, bool) {
name = strings.ToLower(name)
if len(name) < 6 || name[:6] != "readme" {
return 0, false
}
for i, extension := range ext {
extension = strings.ToLower(extension)
if name[6:] == extension {
return i, true
}
}
if name[6] == '.' {
return len(ext), true
}
return 0, false
}
|