/
auth.go
168 lines (133 loc) Β· 3.41 KB
/
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.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
// Auth returns the sanitized authentication identifier trimmed to a maximum length of 255 characters.
func Auth(s string) string {
if s == "" || len(s) > 2048 {
return ""
}
i := 0
// Remove unwanted characters and limit string length
s = strings.Map(func(r rune) rune {
if i == 0 && r == 32 || r < 32 || r == 127 {
return -1
}
switch r {
case '<', '>':
return -1
}
i++
if i > 255 {
return -1
}
return r
}, s)
s = strings.TrimRight(s, " ")
return s
}
// Handle returns the sanitized username with trimmed whitespace and in lowercase.
func Handle(s string) string {
s, _, _ = strings.Cut(s, "@")
if d, u, found := strings.Cut(s, "\\"); found && u != "" {
s = u
} else {
s = d
}
s = strings.TrimSpace(s)
// Remove unwanted characters.
s = strings.Map(func(r rune) rune {
if r <= 31 || r == 127 {
return -1
}
switch r {
case ' ', '"', '\'', '(', ')', '#', '&', '$', ',', '+', '=', '`', '~', '?', '|', '*', '/', '\\', ':', ';', '<', '>', '{', '}':
return '.'
}
return r
}, s)
// Empty or too long?
if s == "" || reject(s, txt.ClipUsername) {
return ""
}
return strings.ToLower(s)
}
// Username returns the sanitized distinguished name (Username) with trimmed whitespace and in lowercase.
func Username(s string) string {
s = strings.TrimSpace(s)
// Remove unwanted characters.
s = strings.Map(func(r rune) rune {
if r <= 31 || r == 127 {
return -1
}
switch r {
case '"', '\'', '(', ')', '#', '&', '$', ',', '+', '=', '`', '~', '?', '|', '*', '/', ':', ';', '<', '>', '{', '}':
return -1
}
return r
}, s)
// Empty or too long?
if s == "" || reject(s, txt.ClipEmail) {
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 password string with all leading and trailing white space removed.
func Password(s string) string {
return strings.TrimSpace(s)
}
// Passcode sanitizes a passcode and returns it in lowercase with all whitespace removed.
func Passcode(s string) string {
if s == "" || reject(s, txt.ClipPasscode) {
return ""
} else if s = strings.ToLower(strings.TrimSpace(s)); s == "" {
return ""
}
// Remove unwanted characters.
s = strings.Map(func(r rune) rune {
if (r < '0' || r > '9') && (r < 'a' || r > 'z') {
return -1
}
return r
}, s)
return s
}