forked from breezewish/my-gantt-viewer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
api.js
181 lines (169 loc) · 4.43 KB
/
api.js
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
const qs = require('querystring');
const randomString = require('randomstring');
const bodyParser = require('body-parser');
const axios = require('axios');
const cookieSession = require('cookie-session');
const { graphql } = require('@octokit/graphql');
const logger = require('signale');
function NewOctoClient(token) {
let destToken;
if (process.env.ACCESS_TOKEN_OVERRIDE) {
destToken = process.env.ACCESS_TOKEN_OVERRIDE;
} else {
destToken = token;
}
const client = graphql.defaults({
headers: {
authorization: `token ${destToken}`,
},
});
return client;
}
async function acquireOAuthToken(code, state) {
const oauthResp = await axios.request({
method: 'post',
url:
'https://github.com/login/oauth/access_token?' +
qs.stringify({
client_id: process.env.CLIENT_ID,
client_secret: process.env.CLIENT_SECRET,
code,
state,
}),
headers: {
accept: 'application/json',
},
});
if (!oauthResp.data.access_token) {
throw new Error('Invalid AccessToken response');
}
const client = NewOctoClient(oauthResp.data.access_token);
const resp = await client(`{
viewer {
login
avatarUrl
id
name
}
}`);
if (!resp || !resp.viewer) {
throw new Error('Invalid GitHub Authenticated response');
}
return {
accessToken: oauthResp.data.access_token,
githubUser: resp.viewer,
};
}
function requireToken(req, res, next) {
if (!process.env.ACCESS_TOKEN_OVERRIDE && !req.session.accessToken) {
res.status(403).json({
err: 'SignInRequired',
});
return;
}
next();
}
module.exports = app => {
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
app.use(
cookieSession({
name: 'session',
keys: [process.env.SESSION_SECRET],
maxAge: 7 * 24 * 60 * 60 * 1000, // 7 days
})
);
app.get('/github/signin', (req, res) => {
req.session.oAuthState = randomString.generate();
const githubAuthUrl =
'https://github.com/login/oauth/authorize?' +
qs.stringify({
client_id: process.env.CLIENT_ID,
redirect_uri:
process.env.SERVER_HOST +
'/github/callback?' +
qs.stringify({ redirect: req.query.redirect }),
state: req.session.oAuthState,
scope: 'read:user user:email repo',
});
res.redirect(githubAuthUrl);
});
app.get('/github/callback', (req, res) => {
if (req.session.oAuthState !== req.query.state) {
logger.error('Check OAuthState failed', req.query, req.session);
res.status(403).json({
err: 'InvaildOAuthState',
});
return;
}
acquireOAuthToken(req.query.code, req.query.state).then(
data => {
req.session.accessToken = data.accessToken;
req.session.githubUser = data.githubUser;
logger.success('OAuth SignIn success', {
token: data.accessToken,
login: data.githubUser.login,
});
if (req.query.redirect) {
res.redirect(req.query.redirect);
} else {
res.redirect('/');
}
},
err => {
logger.error(err);
res.status(500).json({
err: 'InternalError',
msg: err.message,
});
}
);
});
app.get('/github/info', requireToken, (req, res) => {
// Always verify the access token.
const client = NewOctoClient(req.session.accessToken);
client(`{
viewer {
login
}
}`).then(
_resp => {
res.json({
accessToken: req.session.accessToken,
githubUser: req.session.githubUser,
});
},
_err => {
req.session = null;
res.status(403).json({
err: 'SignInRequired',
});
return;
}
);
});
app.post('/github/graphql', requireToken, (req, res) => {
const client = NewOctoClient(req.session.accessToken);
client(req.body.query, req.body.parameters).then(
resp => res.json(resp),
err => {
logger.error(err);
if (err.message && err.message.indexOf('Bad credentials') > -1) {
req.session = null;
res.status(403).json({
err: 'SignInRequired',
});
return;
}
res.status(500).json({
err: 'InternalError',
msg: err.message,
});
}
);
});
app.post('/signout', requireToken, (req, res) => {
req.session = null;
res.json({});
});
};