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
|
package commands
import (
"context"
"fmt"
"io"
"log"
"net"
"net/http"
"net/url"
"os"
"os/signal"
"strconv"
"time"
"github.com/99designs/gqlgen/graphql/playground"
"github.com/gorilla/mux"
"github.com/phayes/freeport"
"github.com/skratchdot/open-golang/open"
"github.com/spf13/cobra"
"github.com/MichaelMure/git-bug/api/auth"
"github.com/MichaelMure/git-bug/api/graphql"
httpapi "github.com/MichaelMure/git-bug/api/http"
"github.com/MichaelMure/git-bug/cache"
"github.com/MichaelMure/git-bug/commands/execenv"
"github.com/MichaelMure/git-bug/entities/identity"
"github.com/MichaelMure/git-bug/repository"
"github.com/MichaelMure/git-bug/webui"
)
const webUIOpenConfigKey = "git-bug.webui.open"
type webUIOptions struct {
host string
port int
open bool
noOpen bool
readOnly bool
logErrors bool
query string
}
func newWebUICommand() *cobra.Command {
env := execenv.NewEnv()
options := webUIOptions{}
cmd := &cobra.Command{
Use: "webui",
Short: "Launch the web UI",
Long: `Launch the web UI.
Available git config:
git-bug.webui.open [bool]: control the automatic opening of the web UI in the default browser
`,
PreRunE: execenv.LoadRepo(env),
RunE: func(cmd *cobra.Command, args []string) error {
return runWebUI(env, options)
},
}
flags := cmd.Flags()
flags.SortFlags = false
flags.StringVar(&options.host, "host", "127.0.0.1", "Network address or hostname to listen to (default to 127.0.0.1)")
flags.BoolVar(&options.open, "open", false, "Automatically open the web UI in the default browser")
flags.BoolVar(&options.noOpen, "no-open", false, "Prevent the automatic opening of the web UI in the default browser")
flags.IntVarP(&options.port, "port", "p", 0, "Port to listen to (default to random available port)")
flags.BoolVar(&options.readOnly, "read-only", false, "Whether to run the web UI in read-only mode")
flags.BoolVar(&options.logErrors, "log-errors", false, "Whether to log errors")
flags.StringVarP(&options.query, "query", "q", "", "The query to open in the web UI bug list")
return cmd
}
func runWebUI(env *execenv.Env, opts webUIOptions) error {
if opts.port == 0 {
var err error
opts.port, err = freeport.GetFreePort()
if err != nil {
return err
}
}
addr := net.JoinHostPort(opts.host, strconv.Itoa(opts.port))
webUiAddr := fmt.Sprintf("http://%s", addr)
toOpen := webUiAddr
if len(opts.query) > 0 {
// Explicitly set the query parameter instead of going with a default one.
toOpen = fmt.Sprintf("%s/?q=%s", webUiAddr, url.QueryEscape(opts.query))
}
router := mux.NewRouter()
// If the webUI is not read-only, use an authentication middleware with a
// fixed identity: the default user of the repo
// TODO: support dynamic authentication with OAuth
if !opts.readOnly {
author, err := identity.GetUserIdentity(env.Repo)
if err != nil {
return err
}
router.Use(auth.Middleware(author.Id()))
}
mrc := cache.NewMultiRepoCache()
_, events, err := mrc.RegisterDefaultRepository(env.Repo)
if err != nil {
return err
}
if events != nil {
env.Err.Println("Building cache... ")
for event := range events {
if event.Err != nil {
env.Err.Printf("Cache building error [%s]: %v\n", event.Typename, event.Err)
continue
}
switch event.Event {
case cache.BuildEventStarted:
env.Err.Printf("[%s] started\n", event.Typename)
case cache.BuildEventFinished:
env.Err.Printf("[%s] done\n", event.Typename)
}
}
}
var errOut io.Writer
if opts.logErrors {
errOut = env.Err
}
graphqlHandler := graphql.NewHandler(mrc, errOut)
// Routes
router.Path("/playground").Handler(playground.Handler("git-bug", "/graphql"))
router.Path("/graphql").Handler(graphqlHandler)
router.Path("/gitfile/{repo}/{hash}").Handler(httpapi.NewGitFileHandler(mrc))
router.Path("/upload/{repo}").Methods("POST").Handler(httpapi.NewGitUploadFileHandler(mrc))
router.PathPrefix("/").Handler(webui.NewHandler())
srv := &http.Server{
Addr: addr,
Handler: router,
}
done := make(chan bool)
quit := make(chan os.Signal, 1)
// register as handler of the interrupt signal to trigger the teardown
signal.Notify(quit, os.Interrupt)
go func() {
<-quit
env.Out.Println("WebUI is shutting down...")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
srv.SetKeepAlivesEnabled(false)
if err := srv.Shutdown(ctx); err != nil {
log.Fatalf("Could not gracefully shutdown the WebUI: %v\n", err)
}
// Teardown
err := graphqlHandler.Close()
if err != nil {
env.Out.Println(err)
}
close(done)
}()
env.Out.Printf("Web UI: %s\n", webUiAddr)
env.Out.Printf("Graphql API: http://%s/graphql\n", addr)
env.Out.Printf("Graphql Playground: http://%s/playground\n", addr)
env.Out.Println("Press Ctrl+c to quit")
configOpen, err := env.Repo.AnyConfig().ReadBool(webUIOpenConfigKey)
if err == repository.ErrNoConfigEntry {
// default to true
configOpen = true
} else if err != nil {
return err
}
shouldOpen := (configOpen && !opts.noOpen) || opts.open
if shouldOpen {
err = open.Run(toOpen)
if err != nil {
env.Out.Println(err)
}
}
err = srv.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
return err
}
<-done
env.Out.Println("WebUI stopped")
return nil
}
|
