/
regexp.go
61 lines (48 loc) · 1.53 KB
/
regexp.go
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package authorization
import (
"regexp"
"strings"
"github.com/authelia/authelia/v4/internal/utils"
)
// RegexpGroupStringSubjectMatcher matches the input string against the pattern taking into account Subexp groups.
type RegexpGroupStringSubjectMatcher struct {
Pattern regexp.Regexp
SubexpNameUser int
SubexpNameGroup int
}
// IsMatch returns true if the underlying pattern matches the input given the subject.
func (r RegexpGroupStringSubjectMatcher) IsMatch(input string, subject Subject) (match bool) {
if !r.Pattern.MatchString(input) {
return false
}
if subject.IsAnonymous() {
return true
}
matches := r.Pattern.FindAllStringSubmatch(input, -1)
if matches == nil {
return false
}
if r.SubexpNameUser != -1 && !strings.EqualFold(subject.Username, matches[0][r.SubexpNameUser]) {
return false
}
if r.SubexpNameGroup != -1 && !utils.IsStringInSliceFold(matches[0][r.SubexpNameGroup], subject.Groups) {
return false
}
return true
}
// String returns the pattern string.
func (r RegexpGroupStringSubjectMatcher) String() string {
return r.Pattern.String()
}
// RegexpStringSubjectMatcher just matches the input string against the pattern.
type RegexpStringSubjectMatcher struct {
Pattern regexp.Regexp
}
// IsMatch returns true if the underlying pattern matches the input.
func (r RegexpStringSubjectMatcher) IsMatch(input string, _ Subject) (match bool) {
return r.Pattern.MatchString(input)
}
// String returns the pattern string.
func (r RegexpStringSubjectMatcher) String() string {
return r.Pattern.String()
}