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client_policy.go
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client_policy.go
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package oidc
import (
"time"
"github.com/authelia/authelia/v4/internal/authorization"
"github.com/authelia/authelia/v4/internal/configuration/schema"
)
// NewClientAuthorizationPolicy creates a new ClientAuthorizationPolicy.
func NewClientAuthorizationPolicy(name string, config *schema.IdentityProvidersOpenIDConnect) (policy ClientAuthorizationPolicy) {
switch name {
case authorization.OneFactor.String(), authorization.TwoFactor.String():
return ClientAuthorizationPolicy{Name: name, DefaultPolicy: authorization.NewLevel(name)}
default:
if p, ok := config.AuthorizationPolicies[name]; ok {
policy = ClientAuthorizationPolicy{
Name: name,
DefaultPolicy: authorization.NewLevel(p.DefaultPolicy),
}
for _, r := range p.Rules {
policy.Rules = append(policy.Rules, ClientAuthorizationPolicyRule{
Policy: authorization.NewLevel(r.Policy),
Subjects: authorization.NewSubjects(r.Subjects),
})
}
return policy
}
return ClientAuthorizationPolicy{DefaultPolicy: authorization.TwoFactor}
}
}
// NewClientConsentPolicy converts the config options into an oidc.ClientConsentPolicy.
func NewClientConsentPolicy(mode string, duration *time.Duration) ClientConsentPolicy {
switch mode {
case ClientConsentModeImplicit.String():
return ClientConsentPolicy{Mode: ClientConsentModeImplicit}
case ClientConsentModePreConfigured.String():
return ClientConsentPolicy{Mode: ClientConsentModePreConfigured, Duration: *duration}
case ClientConsentModeExplicit.String():
return ClientConsentPolicy{Mode: ClientConsentModeExplicit}
default:
return ClientConsentPolicy{Mode: ClientConsentModeExplicit}
}
}
// NewClientRequestedAudienceMode converts the config option into an oidc.ClientRequestedAudienceMode.
func NewClientRequestedAudienceMode(mode string) ClientRequestedAudienceMode {
switch mode {
case ClientRequestedAudienceModeImplicit.String():
return ClientRequestedAudienceModeImplicit
case ClientRequestedAudienceModeExplicit.String():
return ClientRequestedAudienceModeExplicit
default:
return ClientRequestedAudienceModeImplicit
}
}
// ClientAuthorizationPolicy controls and represents a client policy.
type ClientAuthorizationPolicy struct {
Name string
DefaultPolicy authorization.Level
Rules []ClientAuthorizationPolicyRule
}
// GetRequiredLevel returns the required authorization.Level given an authorization.Subject.
func (p *ClientAuthorizationPolicy) GetRequiredLevel(subject authorization.Subject) authorization.Level {
for _, rule := range p.Rules {
if rule.IsMatch(subject) {
return rule.Policy
}
}
return p.DefaultPolicy
}
// ClientAuthorizationPolicyRule describes the authorization.Level for particular criteria relevant to OpenID Connect 1.0 Clients.
type ClientAuthorizationPolicyRule struct {
Subjects []authorization.AccessControlSubjects
Policy authorization.Level
}
// MatchesSubjects returns true if the rule matches the subjects.
func (p *ClientAuthorizationPolicyRule) MatchesSubjects(subject authorization.Subject) (match bool) {
// If there are no subjects in this rule then the subject condition is a match.
if len(p.Subjects) == 0 {
return true
} else if subject.IsAnonymous() {
return false
}
// Iterate over the subjects until we find a match (return true) or until we exit the loop (return false).
for _, rule := range p.Subjects {
if rule.IsMatch(subject) {
return true
}
}
return false
}
// IsMatch returns true if all elements of an AccessControlRule match the object and subject.
func (p *ClientAuthorizationPolicyRule) IsMatch(subject authorization.Subject) (match bool) {
return p.MatchesSubjects(subject)
}
// ClientConsentPolicy is the consent configuration for a client.
type ClientConsentPolicy struct {
Mode ClientConsentMode
Duration time.Duration
}
// String returns the string representation of the ClientConsentMode.
func (c ClientConsentPolicy) String() string {
return c.Mode.String()
}
// ClientConsentMode represents the consent mode for a client.
type ClientConsentMode int
const (
// ClientConsentModeExplicit means the client does not implicitly assume consent, and does not allow pre-configured
// consent sessions.
ClientConsentModeExplicit ClientConsentMode = iota
// ClientConsentModePreConfigured means the client does not implicitly assume consent, but does allow pre-configured
// consent sessions.
ClientConsentModePreConfigured
// ClientConsentModeImplicit means the client does implicitly assume consent, and does not allow pre-configured
// consent sessions.
ClientConsentModeImplicit
)
// String returns the string representation of the ClientConsentMode.
func (c ClientConsentMode) String() string {
switch c {
case ClientConsentModeExplicit:
return valueExplicit
case ClientConsentModeImplicit:
return valueImplicit
case ClientConsentModePreConfigured:
return valuePreconfigured
default:
return ""
}
}
// ClientRequestedAudienceMode represents the requested audience mode for a client.
type ClientRequestedAudienceMode int
const (
// ClientRequestedAudienceModeExplicit means the client requires that the audience is explicitly requested
// for it to be considered requested and therefore granted.
ClientRequestedAudienceModeExplicit ClientRequestedAudienceMode = iota
// ClientRequestedAudienceModeImplicit means the client implicitly assumes that the requested audience is all of the
// permitted audiences when the request parameter is absent.
ClientRequestedAudienceModeImplicit
)
// String returns the string representation of the ClientRequestedAudienceMode.
func (ram ClientRequestedAudienceMode) String() string {
switch ram {
case ClientRequestedAudienceModeExplicit:
return valueExplicit
case ClientRequestedAudienceModeImplicit:
return valueImplicit
default:
return ""
}
}