Prototype with single host server and no admin panel (#2)

Reviewed-on: wrenn/sandbox#2
Co-authored-by: pptx704 <rafeed@omukk.dev>
Co-committed-by: pptx704 <rafeed@omukk.dev>

internal/id/id.go

@@ -0,0 +1,59 @@
+package id
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"fmt"
+)
+
+func hex8() string {
+	b := make([]byte, 4)
+	if _, err := rand.Read(b); err != nil {
+		panic(fmt.Sprintf("crypto/rand failed: %v", err))
+	}
+	return hex.EncodeToString(b)
+}
+
+// NewSandboxID generates a new sandbox ID in the format "sb-" + 8 hex chars.
+func NewSandboxID() string {
+	return "sb-" + hex8()
+}
+
+// NewSnapshotName generates a snapshot name in the format "template-" + 8 hex chars.
+func NewSnapshotName() string {
+	return "template-" + hex8()
+}
+
+// NewUserID generates a new user ID in the format "usr-" + 8 hex chars.
+func NewUserID() string {
+	return "usr-" + hex8()
+}
+
+// NewTeamID generates a new team ID in the format "team-" + 8 hex chars.
+func NewTeamID() string {
+	return "team-" + hex8()
+}
+
+// NewAPIKeyID generates a new API key ID in the format "key-" + 8 hex chars.
+func NewAPIKeyID() string {
+	return "key-" + hex8()
+}
+
+// NewHostID generates a new host ID in the format "host-" + 8 hex chars.
+func NewHostID() string {
+	return "host-" + hex8()
+}
+
+// NewHostTokenID generates a new host token audit ID in the format "htok-" + 8 hex chars.
+func NewHostTokenID() string {
+	return "htok-" + hex8()
+}
+
+// NewRegistrationToken generates a 64-char hex token (32 bytes of entropy).
+func NewRegistrationToken() string {
+	b := make([]byte, 32)
+	if _, err := rand.Read(b); err != nil {
+		panic(fmt.Sprintf("crypto/rand failed: %v", err))
+	}
+	return hex.EncodeToString(b)
+}