Tarrgon
137 lines
3.5 KiB
TypeScript
137 lines
3.5 KiB
TypeScript
type ClientOptions = {
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clientId: string
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clientSecret: string
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clientToken: string
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redirectUri: string
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credentials: string
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};
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type GenerateUrlParameters = {
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state: string
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scope: string[]
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type: 'code' | 'token'
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};
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type TokenResponse = {
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access_token: string
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token_type: string
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expires_in: number
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refresh_token: string
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scope: string
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}
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type DiscordUser = {
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id: string
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username: string
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// bunch of other stuff we don't use
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}
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type AddMemberOptions = {
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accessToken: string
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botToken?: string
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guildId: string
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userId: string
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nickname?: string
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}
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const OAUTH_BASE_URL = 'https://discord.com/oauth2';
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const OAUTH_API_BASE_URL = 'https://discord.com/api/oauth2';
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const API_BASE_URL = 'https://discord.com/api';
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export class DiscordOAuth2 {
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constructor(private options: ClientOptions) { }
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generateOauth2Url(options: GenerateUrlParameters) {
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const url = new URL(`${OAUTH_BASE_URL}/authorize`);
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const params = new URLSearchParams({
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client_id: this.options.clientId,
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response_type: options.type,
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redirect_uri: this.options.redirectUri,
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scope: options.scope.join('+'),
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state: options.state
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});
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url.search = params.toString();
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return url.toString();
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}
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async getAccessToken(code: string, scope: string[]): Promise<TokenResponse> {
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const res = await fetch(`${OAUTH_API_BASE_URL}/token`, {
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method: 'POST',
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body: new URLSearchParams({
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client_id: this.options.clientId,
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client_secret: this.options.clientSecret,
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code,
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grant_type: 'authorization_code',
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redirect_uri: this.options.redirectUri,
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scope: scope.join(' ')
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}).toString(),
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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Accept: 'application/json'
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}
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});
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const data = await res.json();
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return data as TokenResponse;
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}
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async getUser(accessToken: string): Promise<DiscordUser> {
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const res = await fetch(`${API_BASE_URL}/users/@me`, {
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headers: {
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Authorization: `Bearer ${accessToken}`,
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Accept: 'application/json'
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}
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});
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return await res.json() as DiscordUser;
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}
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async addMember(options: AddMemberOptions) {
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const res = await fetch(`${API_BASE_URL}/guilds/${options.guildId}/members/${options.userId}`, {
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method: 'PUT',
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body: JSON.stringify({
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nick: options.nickname,
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access_token: options.accessToken
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}),
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headers: {
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'Content-Type': 'application/json',
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Authorization: `Bot ${this.options.clientToken}`,
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Accept: 'application/json'
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}
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});
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if (res.status < 200 || res.status >= 300) {
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console.error(`Non 200 code while joining user: ${options.userId} to discord (${res.status}):`);
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const text = await res.text();
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console.error(text);
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let data = { code: 0 };
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try {
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data = JSON.parse(text);
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} catch { }
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throw data;
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}
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return await res.json();
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}
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async revokeToken(token: string) {
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const res = await fetch(`${OAUTH_API_BASE_URL}/token/revoke`, {
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method: 'POST',
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body: new URLSearchParams({
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token
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}).toString(),
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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Authorization: `Basic ${this.options.credentials}`,
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Accept: 'application/json'
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}
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});
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return await res.json();
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}
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} |