File size: 2,097 Bytes
6a7089a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | package idutil
import (
"crypto/sha256"
"encoding/hex"
"fmt"
"time"
)
// Manager generates stable hash-based IDs for profiles, instances, and tabs
type Manager struct{}
// NewManager creates a new ID manager
func NewManager() *Manager {
return &Manager{}
}
// ProfileID generates a stable hash-based ID for a profile from its name
// Format: prof_XXXXXXXX (12 chars total)
func (m *Manager) ProfileID(name string) string {
return hashID("prof", name)
}
// InstanceID generates a stable hash-based ID for an instance
// Uses profile ID, instance name, and creation timestamp for uniqueness
// Format: inst_XXXXXXXX (12 chars total)
func (m *Manager) InstanceID(profileID, instanceName string) string {
data := fmt.Sprintf("%s:%s:%d", profileID, instanceName, time.Now().UnixNano())
return hashID("inst", data)
}
// TabID generates a stable hash-based ID for a tab within an instance
// Uses instance ID and tab number for uniqueness
// Format: tab_XXXXXXXX (12 chars total)
func (m *Manager) TabID(instanceID string, tabIndex int) string {
data := fmt.Sprintf("%s:%d", instanceID, tabIndex)
return hashID("tab", data)
}
// TabIDFromCDPTarget returns the CDP target ID as-is.
// Raw CDP IDs are used directly — no prefixing or hashing.
func (m *Manager) TabIDFromCDPTarget(cdpTargetID string) string {
return cdpTargetID
}
// hashID creates a short hash-based ID with the given prefix
// Format: {prefix}_{first 8 hex chars of SHA256}
func hashID(prefix, data string) string {
hash := sha256.Sum256([]byte(data))
hexHash := hex.EncodeToString(hash[:])
// Take first 8 characters of hash for readability (still extremely collision-resistant)
return fmt.Sprintf("%s_%s", prefix, hexHash[:8])
}
// IsValidID checks if an ID matches the expected prefix format
func IsValidID(id, prefix string) bool {
if len(id) < len(prefix)+1 {
return false
}
return id[:len(prefix)] == prefix && id[len(prefix)] == '_'
}
// ExtractPrefix extracts the prefix from an ID
func ExtractPrefix(id string) string {
for i, c := range id {
if c == '_' {
return id[:i]
}
}
return ""
}
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