feat: add linkedin login

server/constants/env.go

@@ -73,6 +73,10 @@ const (
 	EnvKeyFacebookClientID = "FACEBOOK_CLIENT_ID"
 	// EnvKeyFacebookClientSecret key for env variable FACEBOOK_CLIENT_SECRET
 	EnvKeyFacebookClientSecret = "FACEBOOK_CLIENT_SECRET"
+	// EnvKeyLinkedinClientID key for env variable LINKEDIN_CLIENT_ID
+	EnvKeyLinkedInClientID = "LINKEDIN_CLIENT_ID"
+	// EnvKeyLinkedinClientSecret key for env variable LINKEDIN_CLIENT_SECRET
+	EnvKeyLinkedInClientSecret = "LINKEDIN_CLIENT_SECRET"
 	// EnvKeyOrganizationName key for env variable ORGANIZATION_NAME
 	EnvKeyOrganizationName = "ORGANIZATION_NAME"
 	// EnvKeyOrganizationLogo key for env variable ORGANIZATION_LOGO

server/constants/oauth_info_urls.go

@@ -8,4 +8,7 @@ const (
 	FacebookUserInfoURL = "https://graph.facebook.com/me?fields=id,first_name,last_name,name,email,picture&access_token="
 	// Ref: https://docs.github.com/en/developers/apps/building-github-apps/identifying-and-authorizing-users-for-github-apps#3-your-github-app-accesses-the-api-with-the-users-access-token
 	GithubUserInfoURL = "https://api.github.com/user"
+	// Ref: https://docs.microsoft.com/en-us/linkedin/shared/integrations/people/profile-api
+	LinkedInUserInfoURL = "https://api.linkedin.com/v2/me?projection=(id,localizedFirstName,localizedLastName,emailAddress,profilePicture(displayImage~:playableStreams))"
+	LinkedInEmailURL    = "https://api.linkedin.com/v2/emailAddress?q=members&projection=(elements*(handle~))"
 )

server/constants/signup_methods.go

@@ -11,4 +11,6 @@ const (
 	SignupMethodGithub = "github"
 	// SignupMethodFacebook is the facebook signup method
 	SignupMethodFacebook = "facebook"
+	// SignupMethodLinkedin is the linkedin signup method
+	SignupMethodLinkedIn = "linkedin"
 )