106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
package providers
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import (
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"context"
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"errors"
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"net/http"
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"net/url"
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"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/apis/sessions"
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"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/requests"
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)
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// LinkedInProvider represents an LinkedIn based Identity Provider
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type LinkedInProvider struct {
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*ProviderData
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}
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var _ Provider = (*LinkedInProvider)(nil)
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const (
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linkedinProviderName = "LinkedIn"
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linkedinDefaultScope = "r_emailaddress r_liteprofile"
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)
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var (
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// Default Login URL for LinkedIn.
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// Pre-parsed URL of https://www.linkedin.com/uas/oauth2/authorization.
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linkedinDefaultLoginURL = &url.URL{
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Scheme: "https",
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Host: "www.linkedin.com",
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Path: "/oauth/v2/authorization",
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}
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// Default Redeem URL for LinkedIn.
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// Pre-parsed URL of https://www.linkedin.com/uas/oauth2/accessToken.
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linkedinDefaultRedeemURL = &url.URL{
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Scheme: "https",
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Host: "www.linkedin.com",
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Path: "/uas/oauth2/accessToken",
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}
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// Default Profile URL for LinkedIn.
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// Pre-parsed URL of https://www.linkedin.com/v1/people/~/email-address.
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linkedinDefaultProfileURL = &url.URL{
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Scheme: "https",
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Host: "api.linkedin.com",
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Path: "/v2/emailAddress",
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}
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// Default Validate URL for LinkedIn.
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linkedinDefaultValidateURL = &url.URL{
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Scheme: "https",
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Host: "api.linkedin.com",
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Path: "/v2/me",
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}
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)
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// NewLinkedInProvider initiates a new LinkedInProvider
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func NewLinkedInProvider(p *ProviderData) *LinkedInProvider {
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p.setProviderDefaults(providerDefaults{
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name: linkedinProviderName,
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loginURL: linkedinDefaultLoginURL,
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redeemURL: linkedinDefaultRedeemURL,
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profileURL: linkedinDefaultProfileURL,
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validateURL: linkedinDefaultValidateURL,
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scope: linkedinDefaultScope,
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})
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return &LinkedInProvider{ProviderData: p}
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}
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func makeLinkedInHeader(accessToken string) http.Header {
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// extra headers required by the LinkedIn API when making authenticated requests
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extraHeaders := map[string]string{
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acceptHeader: acceptApplicationJSON,
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"x-li-format": "json",
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}
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return makeAuthorizationHeader(tokenTypeBearer, accessToken, extraHeaders)
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}
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// GetEmailAddress returns the Account email address
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func (p *LinkedInProvider) GetEmailAddress(ctx context.Context, s *sessions.SessionState) (string, error) {
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if s.AccessToken == "" {
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return "", errors.New("missing access token")
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}
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requestURL := p.ProfileURL.String() + "?q=members&projection=(elements*(handle~))"
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json, err := requests.New(requestURL).
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WithContext(ctx).
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WithHeaders(makeLinkedInHeader(s.AccessToken)).
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Do().
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UnmarshalJSON()
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if err != nil {
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return "", err
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}
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email, err := json.Get("elements").GetIndex(0).Get("handle~").Get("emailAddress").String()
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if err != nil {
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return "", err
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}
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return email, nil
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}
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// ValidateSession validates the AccessToken
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func (p *LinkedInProvider) ValidateSession(ctx context.Context, s *sessions.SessionState) bool {
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return validateToken(ctx, p, s.AccessToken, makeLinkedInHeader(s.AccessToken))
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}
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