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Fall back to using OIDC Subject instead of Email #57

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Mar 8, 2019
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1 change: 1 addition & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
@@ -2,6 +2,7 @@

## Changes since v3.1.0

- [#57](https://github.com/pusher/oauth2_proxy/pull/57) Fall back to using OIDC Subject instead of Email (@aigarius)
- [#85](https://github.com/pusher/oauth2_proxy/pull/85) Use non-root user in docker images (@kskewes)
- [#68](https://github.com/pusher/oauth2_proxy/pull/68) forward X-Auth-Access-Token header (@davidholsgrove)
- [#41](https://github.com/pusher/oauth2_proxy/pull/41) Added option to manually specify OIDC endpoints instead of relying on discovery
4 changes: 3 additions & 1 deletion providers/oidc.go
Original file line number Diff line number Diff line change
@@ -106,6 +106,7 @@ func (p *OIDCProvider) createSessionState(ctx context.Context, token *oauth2.Tok

// Extract custom claims.
var claims struct {
Subject string `json:"sub"`
Email string `json:"email"`
Verified *bool `json:"email_verified"`
}
@@ -114,7 +115,8 @@ func (p *OIDCProvider) createSessionState(ctx context.Context, token *oauth2.Tok
}

if claims.Email == "" {
return nil, fmt.Errorf("id_token did not contain an email")
// TODO: Try getting email from /userinfo before falling back to Subject
claims.Email = claims.Subject
}
if claims.Verified != nil && !*claims.Verified {
return nil, fmt.Errorf("email in id_token (%s) isn't verified", claims.Email)