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mirror of https://github.com/oauth2-proxy/oauth2-proxy.git synced 2024-11-28 09:08:44 +02:00
oauth2-proxy/providers/linkedin.go
2020-11-28 10:25:11 -08:00

100 lines
2.7 KiB
Go

package providers
import (
"context"
"errors"
"net/http"
"net/url"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/sessions"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/requests"
)
// LinkedInProvider represents an LinkedIn based Identity Provider
type LinkedInProvider struct {
*ProviderData
}
var _ Provider = (*LinkedInProvider)(nil)
const (
linkedinProviderName = "LinkedIn"
linkedinDefaultScope = "r_emailaddress r_basicprofile"
)
var (
// Default Login URL for LinkedIn.
// Pre-parsed URL of https://www.linkedin.com/uas/oauth2/authorization.
linkedinDefaultLoginURL = &url.URL{
Scheme: "https",
Host: "www.linkedin.com",
Path: "/uas/oauth2/authorization",
}
// Default Redeem URL for LinkedIn.
// Pre-parsed URL of https://www.linkedin.com/uas/oauth2/accessToken.
linkedinDefaultRedeemURL = &url.URL{
Scheme: "https",
Host: "www.linkedin.com",
Path: "/uas/oauth2/accessToken",
}
// Default Profile URL for LinkedIn.
// Pre-parsed URL of https://www.linkedin.com/v1/people/~/email-address.
linkedinDefaultProfileURL = &url.URL{
Scheme: "https",
Host: "www.linkedin.com",
Path: "/v1/people/~/email-address",
}
)
// NewLinkedInProvider initiates a new LinkedInProvider
func NewLinkedInProvider(p *ProviderData) *LinkedInProvider {
p.setProviderDefaults(providerDefaults{
name: linkedinProviderName,
loginURL: linkedinDefaultLoginURL,
redeemURL: linkedinDefaultRedeemURL,
profileURL: linkedinDefaultProfileURL,
validateURL: linkedinDefaultProfileURL,
scope: linkedinDefaultScope,
})
return &LinkedInProvider{ProviderData: p}
}
func makeLinkedInHeader(accessToken string) http.Header {
// extra headers required by the LinkedIn API when making authenticated requests
extraHeaders := map[string]string{
acceptHeader: acceptApplicationJSON,
"x-li-format": "json",
}
return makeAuthorizationHeader(tokenTypeBearer, accessToken, extraHeaders)
}
// GetEmailAddress returns the Account email address
func (p *LinkedInProvider) GetEmailAddress(ctx context.Context, s *sessions.SessionState) (string, error) {
if s.AccessToken == "" {
return "", errors.New("missing access token")
}
requestURL := p.ProfileURL.String() + "?format=json"
json, err := requests.New(requestURL).
WithContext(ctx).
WithHeaders(makeLinkedInHeader(s.AccessToken)).
Do().
UnmarshalJSON()
if err != nil {
return "", err
}
email, err := json.String()
if err != nil {
return "", err
}
return email, nil
}
// ValidateSessionState validates the AccessToken
func (p *LinkedInProvider) ValidateSession(ctx context.Context, s *sessions.SessionState) bool {
return validateToken(ctx, p, s.AccessToken, makeLinkedInHeader(s.AccessToken))
}