713593da4e
You can now run "photoprism auth add" to create new client access tokens that allow external applications to use the built-in REST API. Signed-off-by: Michael Mayer <michael@photoprism.app>
106 lines
1.9 KiB
Go
106 lines
1.9 KiB
Go
package rnd
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import (
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"strconv"
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"strings"
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"time"
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)
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// IsUnique checks if the string is a valid unique ID.
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func IsUnique(s string, prefix byte) bool {
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if IsUUID(s) {
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// Standard UUID.
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return true
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}
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return IsUID(s, prefix)
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}
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// IsUID checks if the string is a valid entity UID.
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func IsUID(s string, prefix byte) bool {
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// Check length.
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if len(s) != 16 {
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return false
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}
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// Check prefix.
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if prefix != 0 && s[0] != prefix {
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return false
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}
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// Check character range.
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if !IsAlnum(s) {
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return false
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}
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// Check timestamp.
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if ts := s[1:7]; ts == "000000" {
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return true
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} else if t, err := strconv.ParseInt(ts, 36, 64); err != nil {
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return false
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} else if t < 1483228800 || t > time.Now().UTC().Unix() {
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return false
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}
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// Valid.
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return true
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}
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// InvalidUID checks if the UID is empty or invalid.
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func InvalidUID(s string, prefix byte) bool {
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return !IsUID(s, prefix)
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}
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// IsUUID tests if the string looks like a standard UUID.
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func IsUUID(s string) bool {
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return len(s) == 36 && IsHex(s)
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}
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// SanitizeUUID normalizes UUIDs found in XMP or Exif metadata.
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func SanitizeUUID(s string) string {
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if s == "" {
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return ""
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}
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s = strings.Replace(strings.TrimSpace(s), "\"", "", -1)
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if start := strings.LastIndex(s, ":"); start != -1 {
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s = s[start+1:]
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}
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if !IsUUID(s) {
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return ""
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}
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return strings.ToLower(s)
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}
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// IsAlnum returns true if the string only contains alphanumeric ascii chars without whitespace.
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func IsAlnum(s string) bool {
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if s == "" {
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return false
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}
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for _, r := range s {
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if (r < '0' || r > '9') && (r < 'A' || r > 'Z') && (r < 'a' || r > 'z') {
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return false
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}
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}
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return true
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}
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// IsHex returns true if the string only contains hex numbers, dashes and letters without whitespace.
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func IsHex(s string) bool {
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if s == "" {
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return false
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}
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for _, r := range s {
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if (r < 48 || r > 57) && (r < 97 || r > 102) && (r < 65 || r > 70) && r != 45 {
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return false
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}
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}
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return true
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}
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