68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package authorization
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import (
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"github.com/sirupsen/logrus"
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"github.com/authelia/authelia/internal/configuration/schema"
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"github.com/authelia/authelia/internal/logging"
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)
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// Authorizer the component in charge of checking whether a user can access a given resource.
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type Authorizer struct {
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defaultPolicy Level
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rules []*AccessControlRule
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}
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// NewAuthorizer create an instance of authorizer with a given access control configuration.
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func NewAuthorizer(configuration schema.AccessControlConfiguration) *Authorizer {
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if logging.Logger().IsLevelEnabled(logrus.TraceLevel) {
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return &Authorizer{
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defaultPolicy: PolicyToLevel(configuration.DefaultPolicy),
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rules: NewAccessControlRules(configuration),
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}
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}
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return &Authorizer{
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defaultPolicy: PolicyToLevel(configuration.DefaultPolicy),
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rules: NewAccessControlRules(configuration),
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}
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}
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// IsSecondFactorEnabled return true if at least one policy is set to second factor.
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func (p *Authorizer) IsSecondFactorEnabled() bool {
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if p.defaultPolicy == TwoFactor {
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return true
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}
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for _, rule := range p.rules {
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if rule.Policy == TwoFactor {
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return true
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}
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}
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return false
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}
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// GetRequiredLevel retrieve the required level of authorization to access the object.
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func (p Authorizer) GetRequiredLevel(subject Subject, object Object) Level {
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logger := logging.Logger()
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logger.Debugf("Check authorization of subject %s and object %s (method %s).",
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subject.String(), object.String(), object.Method)
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for _, rule := range p.rules {
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if rule.IsMatch(subject, object) {
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logger.Tracef(traceFmtACLHitMiss, "HIT", rule.Position, subject.String(), object.String(), object.Method)
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return rule.Policy
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}
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logger.Tracef(traceFmtACLHitMiss, "MISS", rule.Position, subject.String(), object.String(), object.Method)
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}
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logger.Debugf("No matching rule for subject %s and url %s... Applying default policy.",
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subject.String(), object.String())
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return p.defaultPolicy
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}
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