62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
const GoogleStrategy = require("passport-google-oauth").OAuth2Strategy
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const { authenticateThirdParty } = require("./third-party-common")
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const buildVerifyFn = saveUserFn => {
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return (accessToken, refreshToken, profile, done) => {
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const thirdPartyUser = {
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provider: profile.provider, // should always be 'google'
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providerType: "google",
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userId: profile.id,
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profile: profile,
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email: profile._json.email,
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oauth2: {
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accessToken,
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refreshToken,
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},
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}
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return authenticateThirdParty(
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thirdPartyUser,
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true, // require local accounts to exist
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done,
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saveUserFn
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)
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}
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}
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/**
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* Create an instance of the google passport strategy. This wrapper fetches the configuration
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* from couchDB rather than environment variables, using this factory is necessary for dynamically configuring passport.
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* @returns Dynamically configured Passport Google Strategy
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*/
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exports.strategyFactory = async function (config, callbackUrl, saveUserFn) {
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try {
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const { clientID, clientSecret } = config
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if (!clientID || !clientSecret) {
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throw new Error(
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"Configuration invalid. Must contain google clientID and clientSecret"
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)
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}
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const verify = buildVerifyFn(saveUserFn)
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return new GoogleStrategy(
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{
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clientID: config.clientID,
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clientSecret: config.clientSecret,
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callbackURL: callbackUrl,
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},
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verify
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)
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} catch (err) {
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console.error(err)
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throw new Error(
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`Error constructing google authentication strategy: ${err}`,
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err
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)
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}
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}
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// expose for testing
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exports.buildVerifyFn = buildVerifyFn
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