forked from GoesToEleven/GolangTraining
-
Notifications
You must be signed in to change notification settings - Fork 0
/
login.go
executable file
·134 lines (110 loc) · 2.74 KB
/
login.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
package githubexample
import (
"fmt"
"io"
"net/http"
"net/url"
"strings"
"google.golang.org/appengine"
"google.golang.org/appengine/datastore"
"github.com/nu7hatch/gouuid"
)
func init() {
http.HandleFunc("/", handleIndex)
http.HandleFunc("/github-login", handleGithubLogin)
http.HandleFunc("/oauth2callback", handleOauth2Callback)
http.HandleFunc("/github-info", handleGithubInfo)
}
func handleIndex(res http.ResponseWriter, req *http.Request) {
io.WriteString(res, `<!DOCTYPE html>
<html>
<head></head>
<body>
<a href="/github-login">LOGIN WITH GITHUB</a>
</body>
</html>`)
}
var githubScopes = []string{
"user:email",
"read:org",
}
func handleGithubLogin(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
// get the session
session := getSession(ctx, req)
id, _ := uuid.NewV4()
values := make(url.Values)
values.Add("client_id", "767154e6915134caade5")
values.Add("redirect_uri", redirectURI)
values.Add("scope", strings.Join(githubScopes, ","))
values.Add("state", id.String())
// save the session
session.State = id.String()
putSession(ctx, res, session)
http.Redirect(res, req, fmt.Sprintf(
"https://github.com/login/oauth/authorize?%s",
values.Encode(),
), 302)
}
func handleOauth2Callback(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
api := NewGithubAPI(ctx)
// get the session
session := getSession(ctx, req)
state := req.FormValue("state")
code := req.FormValue("code")
if state != session.State {
http.Error(res, "invalid state", 401)
return
}
accessToken, err := api.getAccessToken(state, code)
if err != nil {
http.Error(res, err.Error(), 500)
return
}
api.accessToken = accessToken
username, err := api.getUsername()
if err != nil {
http.Error(res, err.Error(), 500)
return
}
session.Username = username
session.AccessToken = accessToken
putSession(ctx, res, session)
delayedGetStats.Call(ctx, accessToken, username)
http.Redirect(res, req, "/github-info", 302)
}
func handleGithubInfo(res http.ResponseWriter, req *http.Request) {
ctx := appengine.NewContext(req)
session := getSession(ctx, req)
var stats CommitStats
key := datastore.NewKey(ctx, "Stats", session.Username, 0, nil)
err := datastore.Get(ctx, key, &stats)
if err != nil {
http.Error(res, err.Error(), 500)
return
}
// stats, err := api.getCommitSummaryStats(since)
// if err != nil {
// http.Error(res, err.Error(), 500)
// return
// }
io.WriteString(res, `<!DOCTYPE html>
<html>
<head>
</head>
<body>
In the last month you have:
<table>
<tr>
<th>additions</th>
<td>`+fmt.Sprint(stats.Additions)+`</td>
</tr>
<tr>
<th>deletions</th>
<td>`+fmt.Sprint(stats.Deletions)+`</td>
</tr>
</table>
</body>
</html>`)
}