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[StructuredAuthnConfig] use local variables in oidc pkg

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Signed-off-by: Anish Ramasekar <anish.ramasekar@gmail.com>
This commit is contained in:
Anish Ramasekar 2023-08-25 19:39:32 +00:00
parent 0e86fa5115
commit e410f86825
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1 changed files with 18 additions and 13 deletions
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31
staging/src/k8s.io/apiserver/plugin/pkg/authenticator/token/oidc/oidc.go
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@ -257,8 +257,9 @@ func New(opts Options) (*Authenticator, error) {
} }
var resolver *claimResolver var resolver *claimResolver
if opts.JWTAuthenticator.ClaimMappings.Groups.Claim != "" { groupsClaim := opts.JWTAuthenticator.ClaimMappings.Groups.Claim
resolver = newClaimResolver(opts.JWTAuthenticator.ClaimMappings.Groups.Claim, client, verifierConfig) if groupsClaim != "" {
resolver = newClaimResolver(groupsClaim, client, verifierConfig)
} }
authenticator := &Authenticator{ authenticator := &Authenticator{
@ -521,11 +522,12 @@ func (a *Authenticator) AuthenticateToken(ctx context.Context, token string) (*a
} }
var username string var username string
if err := c.unmarshalClaim(a.jwtAuthenticator.ClaimMappings.Username.Claim, &username); err != nil { usernameClaim := a.jwtAuthenticator.ClaimMappings.Username.Claim
return nil, false, fmt.Errorf("oidc: parse username claims %q: %v", a.jwtAuthenticator.ClaimMappings.Username.Claim, err) if err := c.unmarshalClaim(usernameClaim, &username); err != nil {
return nil, false, fmt.Errorf("oidc: parse username claims %q: %v", usernameClaim, err)
} }
if a.jwtAuthenticator.ClaimMappings.Username.Claim == "email" { if usernameClaim == "email" {
// If the email_verified claim is present, ensure the email is valid. // If the email_verified claim is present, ensure the email is valid.
// https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims // https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims
if hasEmailVerified := c.hasClaim("email_verified"); hasEmailVerified { if hasEmailVerified := c.hasClaim("email_verified"); hasEmailVerified {
@ -541,28 +543,31 @@ func (a *Authenticator) AuthenticateToken(ctx context.Context, token string) (*a
} }
} }
if a.jwtAuthenticator.ClaimMappings.Username.Prefix != nil && *a.jwtAuthenticator.ClaimMappings.Username.Prefix != "" { userNamePrefix := a.jwtAuthenticator.ClaimMappings.Username.Prefix
username = *a.jwtAuthenticator.ClaimMappings.Username.Prefix + username if userNamePrefix != nil && *userNamePrefix != "" {
username = *userNamePrefix + username
} }
info := &user.DefaultInfo{Name: username} info := &user.DefaultInfo{Name: username}
if a.jwtAuthenticator.ClaimMappings.Groups.Claim != "" { groupsClaim := a.jwtAuthenticator.ClaimMappings.Groups.Claim
if _, ok := c[a.jwtAuthenticator.ClaimMappings.Groups.Claim]; ok { if groupsClaim != "" {
if _, ok := c[groupsClaim]; ok {
// Some admins want to use string claims like "role" as the group value. // Some admins want to use string claims like "role" as the group value.
// Allow the group claim to be a single string instead of an array. // Allow the group claim to be a single string instead of an array.
// //
// See: https://github.com/kubernetes/kubernetes/issues/33290 // See: https://github.com/kubernetes/kubernetes/issues/33290
var groups stringOrArray var groups stringOrArray
if err := c.unmarshalClaim(a.jwtAuthenticator.ClaimMappings.Groups.Claim, &groups); err != nil { if err := c.unmarshalClaim(groupsClaim, &groups); err != nil {
return nil, false, fmt.Errorf("oidc: parse groups claim %q: %v", a.jwtAuthenticator.ClaimMappings.Groups.Claim, err) return nil, false, fmt.Errorf("oidc: parse groups claim %q: %v", groupsClaim, err)
} }
info.Groups = []string(groups) info.Groups = []string(groups)
} }
} }
if a.jwtAuthenticator.ClaimMappings.Groups.Prefix != nil && *a.jwtAuthenticator.ClaimMappings.Groups.Prefix != "" { groupsPrefix := a.jwtAuthenticator.ClaimMappings.Groups.Prefix
if groupsPrefix != nil && *groupsPrefix != "" {
for i, group := range info.Groups { for i, group := range info.Groups {
info.Groups[i] = *a.jwtAuthenticator.ClaimMappings.Groups.Prefix + group info.Groups[i] = *groupsPrefix + group
} }
} }