Skip to content

Instantly share code, notes, and snippets.

@ondrej-kvasnovsky
Last active October 18, 2021 22:39
Show Gist options
  • Save ondrej-kvasnovsky/6048353 to your computer and use it in GitHub Desktop.
Save ondrej-kvasnovsky/6048353 to your computer and use it in GitHub Desktop.
How to login with GitHub account and add the GitHub credentials to existing user account
isProdEnv = function () {
if (process.env.ROOT_URL == "http://localhost:3000") {
return false;
} else {
return true;
}
}
Accounts.loginServiceConfiguration.remove({
service: 'google'
});
Accounts.loginServiceConfiguration.remove({
service: 'facebook'
});
Accounts.loginServiceConfiguration.remove({
service: 'twitter'
});
Accounts.loginServiceConfiguration.remove({
service: 'github'
});
if (isProdEnv()) {
Accounts.loginServiceConfiguration.insert({
service: 'github',
clientId: '00000',
secret: '00000'
});
Accounts.loginServiceConfiguration.insert({
service: 'twitter',
consumerKey: '00000',
secret: '00000'
});
Accounts.loginServiceConfiguration.insert({
service: 'google',
appId: '00000',
secret: '00000'
});
Accounts.loginServiceConfiguration.insert({
service: 'facebook',
appId: '00000',
secret: '00000'
});
} else {
// dev environment
Accounts.loginServiceConfiguration.insert({
service: 'github',
clientId: '11111',
secret: '11111'
});
Accounts.loginServiceConfiguration.insert({
service: 'twitter',
consumerKey: '11111',
secret: '11111'
});
Accounts.loginServiceConfiguration.insert({
service: 'google',
clientId: '11111',
secret: '11111'
});
Accounts.loginServiceConfiguration.insert({
service: 'facebook',
appId: '11111',
secret: '11111'
});
}
Accounts.onCreateUser(function (options, user) {
if (user.services) {
if (options.profile) {
user.profile = options.profile
}
var service = _.keys(user.services)[0];
var email = user.services[service].email;
if (!email) {
if (user.emails) {
email = user.emails.address;
}
}
if (!email) {
email = options.email;
}
if (!email) {
// if email is not set, there is no way to link it with other accounts
return user;
}
// see if any existing user has this email address, otherwise create new
var existingUser = Meteor.users.findOne({'emails.address': email});
if (!existingUser) {
// check for email also in other services
var existingGitHubUser = Meteor.users.findOne({'services.github.email': email});
var existingGoogleUser = Meteor.users.findOne({'services.google.email': email});
var existingTwitterUser = Meteor.users.findOne({'services.twitter.email': email});
var existingFacebookUser = Meteor.users.findOne({'services.facebook.email': email});
var doesntExist = !existingGitHubUser && !existingGoogleUser && !existingTwitterUser && !existingFacebookUser;
if (doesntExist) {
// return the user as it came, because there he doesn't exist in the DB yet
return user;
} else {
existingUser = existingGitHubUser || existingGoogleUser || existingTwitterUser || existingFacebookUser;
if (existingUser) {
if (user.emails) {
// user is signing in by email, we need to set it to the existing user
existingUser.emails = user.emails;
}
}
}
}
// precaution, these will exist from accounts-password if used
if (!existingUser.services) {
existingUser.services = { resume: { loginTokens: [] }};
}
// copy accross new service info
existingUser.services[service] = user.services[service];
existingUser.services.resume.loginTokens.push(
user.services.resume.loginTokens[0]
);
// even worse hackery
Meteor.users.remove({_id: existingUser._id}); // remove existing record
return existingUser; // record is re-inserted
}
});
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment