BA
Better Auth•5d ago
zeby0307

Changing Parameter Names in Custom Provider

Hello! I’m trying to use this library by registering a Korean service called Chzzk as a Custom Provider. However, this service requires the parameters clientId and redirectUri instead of the default client_id and redirect_uri when logging in. How can I change the parameter names used in the existing configuration? I tried the following code, but it didn’t work as expected. Thank you in advance for your help! 
const db = client.db();

export const auth = betterAuth({
    appName: 'service',
    baseURL,
    database: mongodbAdapter(db, {
        client,
    }),
    plugins: [
        genericOAuth({
            config: [
                {
                    providerId: 'chzzk',
                    clientId: process.env.CHZZK_CLIENT_ID!,
                    clientSecret: process.env.CHZZK_CLIENT_SECRET!,
                    authorizationUrl: `https://chzzk.naver.com/account-interlock`,
                    tokenUrl: 'https://openapi.chzzk.naver.com/auth/v1/token',
                    userInfoUrl:
                        'https://openapi.chzzk.naver.com/open/v1/users/me',
                    scopes: ['유저 정보 조회'],
                    authorizationUrlParams: {
                        response_type: 'code',
                        clientId: process.env.CHZZK_CLIENT_ID!,
                        redirectUri: `${baseURL}/api/auth/chzzk/callback`,
                    },
                },
            ],
        }),
        bearer(),
        admin(),
        lastLoginMethod(),
    ],
});
const db = client.db();

export const auth = betterAuth({
    appName: 'service',
    baseURL,
    database: mongodbAdapter(db, {
        client,
    }),
    plugins: [
        genericOAuth({
            config: [
                {
                    providerId: 'chzzk',
                    clientId: process.env.CHZZK_CLIENT_ID!,
                    clientSecret: process.env.CHZZK_CLIENT_SECRET!,
                    authorizationUrl: `https://chzzk.naver.com/account-interlock`,
                    tokenUrl: 'https://openapi.chzzk.naver.com/auth/v1/token',
                    userInfoUrl:
                        'https://openapi.chzzk.naver.com/open/v1/users/me',
                    scopes: ['유저 정보 조회'],
                    authorizationUrlParams: {
                        response_type: 'code',
                        clientId: process.env.CHZZK_CLIENT_ID!,
                        redirectUri: `${baseURL}/api/auth/chzzk/callback`,
                    },
                },
            ],
        }),
        bearer(),
        admin(),
        lastLoginMethod(),
    ],
});
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