/
ui.go
198 lines (159 loc) · 4.43 KB
/
ui.go
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
package ui
import (
"context"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"regexp"
"runtime"
"github.com/biero-el-corridor/Bettercap_ICS/session"
"github.com/google/go-github/github"
"github.com/evilsocket/islazy/fs"
"github.com/evilsocket/islazy/tui"
"github.com/evilsocket/islazy/zip"
)
var versionParser = regexp.MustCompile(`name:"ui",version:"([^"]+)"`)
type UIModule struct {
session.SessionModule
client *github.Client
tmpFile string
basePath string
uiPath string
}
func getDefaultInstallBase() string {
if runtime.GOOS == "windows" {
return filepath.Join(os.Getenv("ALLUSERSPROFILE"), "bettercap")
}
return "/usr/local/share/bettercap/"
}
func NewUIModule(s *session.Session) *UIModule {
mod := &UIModule{
SessionModule: session.NewSessionModule("ui", s),
client: github.NewClient(nil),
}
mod.AddParam(session.NewStringParameter("ui.basepath",
getDefaultInstallBase(),
"",
"UI base installation path."))
mod.AddParam(session.NewStringParameter("ui.tmpfile",
filepath.Join(os.TempDir(), "ui.zip"),
"",
"Temporary file to use while downloading UI updates."))
mod.AddHandler(session.NewModuleHandler("ui.version", "",
"Print the currently installed UI version.",
func(args []string) error {
return mod.showVersion()
}))
mod.AddHandler(session.NewModuleHandler("ui.update", "",
"Download the latest available version of the UI and install it.",
func(args []string) error {
return mod.Start()
}))
return mod
}
func (mod *UIModule) Name() string {
return "ui"
}
func (mod *UIModule) Description() string {
return "A module to manage bettercap's UI updates and installed version."
}
func (mod *UIModule) Author() string {
return "Simone Margaritelli <evilsocket@gmail.com>"
}
func (mod *UIModule) Configure() (err error) {
if err, mod.basePath = mod.StringParam("ui.basepath"); err != nil {
return err
} else {
mod.uiPath = filepath.Join(mod.basePath, "ui")
}
if err, mod.tmpFile = mod.StringParam("ui.tmpfile"); err != nil {
return err
}
return nil
}
func (mod *UIModule) Stop() error {
return nil
}
func (mod *UIModule) download(version, url string) error {
if !fs.Exists(mod.basePath) {
mod.Warning("creating ui install path %s ...", mod.basePath)
if err := os.MkdirAll(mod.basePath, os.ModePerm); err != nil {
return err
}
}
out, err := os.Create(mod.tmpFile)
if err != nil {
return err
}
defer out.Close()
defer os.Remove(mod.tmpFile)
mod.Info("downloading ui %s from %s ...", tui.Bold(version), url)
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
if _, err := io.Copy(out, resp.Body); err != nil {
return err
}
if fs.Exists(mod.uiPath) {
mod.Warning("removing previously installed UI from %s ...", mod.uiPath)
if err := os.RemoveAll(mod.uiPath); err != nil {
return err
}
}
mod.Info("installing to %s ...", mod.uiPath)
if _, err = zip.Unzip(mod.tmpFile, mod.basePath); err != nil {
return err
}
mod.Info("installation complete, you can now run the %s (or https-ui) caplet to start the UI.", tui.Bold("http-ui"))
return nil
}
func (mod *UIModule) showVersion() error {
if err := mod.Configure(); err != nil {
return err
}
if !fs.Exists(mod.uiPath) {
return fmt.Errorf("path %s does not exist, ui not installed", mod.uiPath)
}
search := filepath.Join(mod.uiPath, "/main.*.js")
matches, err := filepath.Glob(search)
if err != nil {
return err
} else if len(matches) == 0 {
return fmt.Errorf("can't find any main.*.js files in %s", mod.uiPath)
}
for _, filename := range matches {
if raw, err := ioutil.ReadFile(filename); err != nil {
return err
} else if m := versionParser.FindStringSubmatch(string(raw)); m != nil {
version := m[1]
mod.Info("v%s", version)
return nil
}
}
return fmt.Errorf("can't parse version from %s", search)
}
func (mod *UIModule) Start() error {
if err := mod.Configure(); err != nil {
return err
} else if err := mod.SetRunning(true, nil); err != nil {
return err
}
defer mod.SetRunning(false, nil)
mod.Info("checking latest stable release ...")
if releases, _, err := mod.client.Repositories.ListReleases(context.Background(), "bettercap", "ui", nil); err == nil {
latest := releases[0]
for _, a := range latest.Assets {
if *a.Name == "ui.zip" {
return mod.download(*latest.TagName, *a.BrowserDownloadURL)
}
}
} else {
mod.Error("error while fetching latest release info from GitHub: %s", err)
}
return nil
}