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
|
import {
ConnectedAccount,
ConnectedAccountCommonOAuthTokenResponse,
ConnectionCallbackSchema,
ConnectionLoader,
DiscordApiErrors,
} from "@spacebar/util";
import wretch from "wretch";
import Connection from "../../util/connections/Connection";
import { EpicGamesSettings } from "./EpicGamesSettings";
export interface UserResponse {
accountId: string;
displayName: string;
preferredLanguage: string;
}
export interface EpicTokenResponse
extends ConnectedAccountCommonOAuthTokenResponse {
expires_at: string;
refresh_expires_in: number;
refresh_expires_at: string;
account_id: string;
client_id: string;
application_id: string;
}
export default class EpicGamesConnection extends Connection {
public readonly id = "epicgames";
public readonly authorizeUrl = "https://www.epicgames.com/id/authorize";
public readonly tokenUrl = "https://api.epicgames.dev/epic/oauth/v1/token";
public readonly userInfoUrl =
"https://api.epicgames.dev/epic/id/v1/accounts";
public readonly scopes = ["basic profile"];
settings: EpicGamesSettings = new EpicGamesSettings();
init(): void {
this.settings = ConnectionLoader.getConnectionConfig(
this.id,
this.settings,
) as EpicGamesSettings;
}
getAuthorizationUrl(userId: string): string {
const state = this.createState(userId);
const url = new URL(this.authorizeUrl);
url.searchParams.append("client_id", this.settings.clientId!);
url.searchParams.append("redirect_uri", this.getRedirectUri());
url.searchParams.append("response_type", "code");
url.searchParams.append("scope", this.scopes.join(" "));
url.searchParams.append("state", state);
return url.toString();
}
getTokenUrl(): string {
return this.tokenUrl;
}
async exchangeCode(
state: string,
code: string,
): Promise<EpicTokenResponse> {
this.validateState(state);
const url = this.getTokenUrl();
return wretch(url.toString())
.headers({
Accept: "application/json",
Authorization: `Basic ${Buffer.from(
`${this.settings.clientId}:${this.settings.clientSecret}`,
).toString("base64")}`,
"Content-Type": "application/x-www-form-urlencoded",
})
.body(
new URLSearchParams({
grant_type: "authorization_code",
code,
}),
)
.post()
.json<EpicTokenResponse>()
.catch((e) => {
console.error(e);
throw DiscordApiErrors.GENERAL_ERROR;
});
}
async getUser(token: string): Promise<UserResponse[]> {
const { sub } = JSON.parse(
Buffer.from(token.split(".")[1], "base64").toString("utf8"),
);
const url = new URL(this.userInfoUrl);
url.searchParams.append("accountId", sub);
return wretch(url.toString())
.headers({
Authorization: `Bearer ${token}`,
})
.get()
.json<UserResponse[]>()
.catch((e) => {
console.error(e);
throw DiscordApiErrors.GENERAL_ERROR;
});
}
async handleCallback(
params: ConnectionCallbackSchema,
): Promise<ConnectedAccount | null> {
const userId = this.getUserId(params.state);
const tokenData = await this.exchangeCode(params.state, params.code!);
const userInfo = await this.getUser(tokenData.access_token);
const exists = await this.hasConnection(userId, userInfo[0].accountId);
if (exists) return null;
return await this.createConnection({
user_id: userId,
external_id: userInfo[0].accountId,
friend_sync: params.friend_sync,
name: userInfo[0].displayName,
type: this.id,
});
}
}
|