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
|
package main
import (
"context"
"encoding/hex"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
_ "github.com/lib/pq"
)
type UserInfo struct {
Sub string `json:"sub"`
UserName string `json:"given_name"`
Email string `json:"email"`
}
type UserSession struct {
Id string
UserId int
UserName string
}
func (app *App) login(w http.ResponseWriter, r *http.Request) {
state := hex.EncodeToString(genKey(32))
if err := app.SetCookie(w, "state", state, 120); err != nil {
log.Panic(err)
}
url := app.Config.OAuth.AuthCodeURL(state)
app.Template.ExecuteTemplate(w, "login.tmpl", url)
}
func (app *App) root(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
se := new(UserSession)
err := app.GetCookie(r, "session", se)
if err != nil {
http.Redirect(w, r, "/login", http.StatusFound)
return
}
scrobbles := app.RecentScrobbles(se.UserId)
app.Template.ExecuteTemplate(w, "index.tmpl", struct {
Session *UserSession
Scrobbles []*Scrobble
}{se, scrobbles})
}
func (app *App) callback(w http.ResponseWriter, r *http.Request) {
defer func() {
if rec := recover(); rec != nil {
http.Redirect(w, r, "/login", http.StatusFound)
log.Println(rec)
}
}()
var state string
app.GetCookie(r, "state", &state)
if state == "" || state != r.FormValue("state") {
panic(fmt.Errorf("state"))
}
code := r.FormValue("code")
tok, _ := app.Config.OAuth.Exchange(context.Background(), code)
client := app.Config.OAuth.Client(context.Background(), tok)
resp, _ := client.Get("https://www.googleapis.com/plus/v1/people/me/openIdConnect")
p, _ := ioutil.ReadAll(resp.Body)
userinfo := new(UserInfo)
json.Unmarshal(p, userinfo)
se := new(UserSession)
se.Id = hex.EncodeToString(genKey(32))
row := app.DB.QueryRow("SELECT user_id, name FROM users WHERE type='google' AND op_id=$1",
userinfo.Sub)
err := row.Scan(&se.UserId, &se.UserName)
if err != nil {
row := app.DB.QueryRow("INSERT into users (type, op_id, name, email)"+
"values ('google', $1, $2, $3) RETURNING user_id",
userinfo.Sub, userinfo.UserName, userinfo.Email)
row.Scan(&se.UserId)
se.UserName = userinfo.UserName
}
app.DB.Exec("INSERT into user_sessions values ($1, $2)", se.Id, se.UserId)
app.SetCookie(w, "session", se, 86400*30)
if err != nil {
http.Redirect(w, r, "/settings", http.StatusTemporaryRedirect)
return
}
http.Redirect(w, r, "/", http.StatusFound)
}
func (app *App) settings(w http.ResponseWriter, r *http.Request) {
se := new(UserSession)
err := app.GetCookie(r, "session", se)
if err != nil {
http.Redirect(w, r, "/login", http.StatusFound)
return
}
if r.Method == "POST" {
if r.FormValue("lfm_password") == "" {
_, err = app.DB.Exec(`UPDATE users SET name=$1, email=$2, lfm_name=$3
WHERE user_id=$4`,
r.FormValue("name"), r.FormValue("email"), r.FormValue("lfm_name"),
se.UserId)
} else {
_, err = app.DB.Exec(`UPDATE users SET name=$1, email=$2, lfm_name=$3,
lfm_password=$4 WHERE user_id=$5`,
r.FormValue("name"), r.FormValue("email"), r.FormValue("lfm_name"),
md5hex(r.FormValue("lfm_password")), se.UserId)
}
if err != nil {
log.Println(err)
}
se.UserName = r.FormValue("name")
app.SetCookie(w, "session", se, 86400*30)
}
var userName, email, lfmName string
row := app.DB.QueryRow("SELECT name, email, lfm_name FROM users WHERE user_id=$1",
se.UserId)
row.Scan(&userName, &email, &lfmName)
app.Template.ExecuteTemplate(w, "settings.tmpl", struct {
Session *UserSession
UserName string
Email string
LfmName string
}{se, userName, email, lfmName})
}
|
