photoprism/pkg/clean/auth.go

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package clean
import (
"regexp"
"strings"
"github.com/photoprism/photoprism/pkg/list"
"github.com/photoprism/photoprism/pkg/txt"
)
var EmailRegexp = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
// Username returns the sanitized username with trimmed whitespace and in lowercase.
func Username(s string) string {
// Remove unwanted characters.
s = strings.Map(func(r rune) rune {
if r <= 42 || r == 127 {
return -1
}
switch r {
case '`', '~', '?', '|', '*', '\\', '%', '$', '@', ':', ';', '<', '>', '{', '}':
return -1
}
return r
}, s)
// Empty or too long?
if s == "" || reject(s, txt.ClipUserName) {
return ""
}
return strings.ToLower(s)
}
// Email returns the sanitized email with trimmed whitespace and in lowercase.
func Email(s string) string {
// Empty or too long?
if s == "" || reject(s, txt.ClipEmail) {
return ""
}
s = strings.ToLower(strings.TrimSpace(s))
if EmailRegexp.MatchString(s) {
return s
}
return ""
}
// Role returns the sanitized role with trimmed whitespace and in lowercase.
func Role(s string) string {
// Remove unwanted characters.
s = strings.Map(func(r rune) rune {
if r <= 42 || r == 127 {
return -1
}
switch r {
case '`', '~', '?', '|', '*', '\\', '%', '$', '@', ':', ';', '<', '>', '{', '}':
return -1
}
return r
}, s)
// Empty or too long?
if s == "" || reject(s, txt.ClipRole) {
return ""
}
return strings.ToLower(s)
}
// Attr returns the sanitized attributes.
func Attr(s string) string {
return list.ParseAttr(s).String()
}
// Password returns the sanitized password string with trimmed whitespace.
func Password(s string) string {
s = strings.TrimSpace(s)
if s == "" || reject(s, txt.ClipPassword) {
return ""
}
return s
}