remix-auth-socials/build/strategies/facebook.js

A collection of social media strategies for remix-auth

import { OAuth2Strategy } from 'remix-auth-oauth2';
export const baseProfileFields = [
    'id',
    'email',
    'name',
    'first_name',
    'middle_name',
    'last_name',
    'picture',
];
export const FacebookStrategyName = 'facebook';
export const FacebookStrategyDefaultScopes = [
    'public_profile',
    'email',
];
export const FacebookStrategyScopeSeperator = ',';
export class FacebookStrategy extends OAuth2Strategy {
    name = FacebookStrategyName;
    scope;
    userInfoURL = 'https://graph.facebook.com/me';
    profileFields;
    constructor({ clientId, clientSecret, redirectURI, scopes, extraProfileFields, }, verify) {
        super({
            clientId,
            clientSecret,
            redirectURI,
            authorizationEndpoint: `https://facebook.com/v14.0/dialog/oauth`,
            tokenEndpoint: `https://graph.facebook.com/v14.0/oauth/access_token`,
        }, verify);
        this.scope = this.getScope(scopes);
        // Ensure unique entries in case they include the base fields
        this.profileFields = [
            ...new Set([...baseProfileFields, ...(extraProfileFields || [])]),
        ];
    }
    // Allow users the option to pass a scope string, or typed array
    getScope(scopes) {
        if (!scopes) {
            return FacebookStrategyDefaultScopes;
        }
        else if (typeof scopes === 'string') {
            return scopes.split(FacebookStrategyScopeSeperator);
        }
        return scopes;
    }
    authorizationParams() {
        const params = new URLSearchParams({
            scope: this.scope.join(FacebookStrategyScopeSeperator),
        });
        return params;
    }
    async userProfile(accessToken) {
        const requestParams = `?fields=${this.profileFields.join(',')}`;
        const requestUrl = `${this.userInfoURL}${requestParams}`;
        const response = await fetch(requestUrl, {
            headers: {
                Authorization: `Bearer ${accessToken}`,
            },
        });
        const raw = await response.json();
        const profile = {
            id: raw.id,
            displayName: raw.name,
            name: {
                familyName: raw.last_name,
                givenName: raw.first_name,
            },
            emails: [{ value: raw.email }],
            photos: [{ value: raw.picture.data.url }],
            _json: raw,
        };
        return profile;
    }
}
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