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Enhanced Control & File System API #1

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310 changes: 308 additions & 2 deletions src/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1100,6 +1100,72 @@ func handleWebSocket(w http.ResponseWriter, r *http.Request) {
}
}

case "system-stats":
ticker := time.NewTicker(2 * time.Second)
defer ticker.Stop()

for range ticker.C {
// 1. CPU Load
cpuLoad := "0.0"
loadAvg, err := os.ReadFile("/proc/loadavg")
if err == nil {
parts := strings.Fields(string(loadAvg))
if len(parts) > 0 {
cpuLoad = parts[0] // 1 min load avg
}
}

// 2. Memory Usage
memTotal := int64(0)
memFree := int64(0)
memInfo, err := os.ReadFile("/proc/meminfo")
if err == nil {
lines := strings.Split(string(memInfo), "\n")
for _, line := range lines {
if strings.HasPrefix(line, "MemTotal:") {
fmt.Sscanf(line, "MemTotal: %d kB", &memTotal)
}
if strings.HasPrefix(line, "MemAvailable:") {
fmt.Sscanf(line, "MemAvailable: %d kB", &memFree)
}
}
}
memUsed := int64(0)
memPerc := float64(0)
if memTotal > 0 {
memUsed = memTotal - memFree
memPerc = (float64(memUsed) / float64(memTotal)) * 100
}

// 3. Disk Usage (Root)
diskUsed := "0%"
// Simple df call
dfOut, err := exec.Command("df", "-h", "/").Output()
if err == nil {
lines := strings.Split(string(dfOut), "\n")
if len(lines) >= 2 {
fields := strings.Fields(lines[1])
if len(fields) >= 5 {
diskUsed = fields[4]
}
}
}

stats := map[string]interface{}{
"cpuLoad": cpuLoad,
"mem": map[string]interface{}{
"total": memTotal * 1024,
"used": memUsed * 1024,
"perc": fmt.Sprintf("%.1f", memPerc),
},
"diskUsed": diskUsed,
}

if err := conn.WriteJSON(stats); err != nil {
return
}
}

default:
conn.WriteMessage(websocket.TextMessage, []byte("Error: invalid type"))
return
Expand Down Expand Up @@ -1235,6 +1301,14 @@ func main() {
http.HandleFunc("/api/docker/action", handleContainerAction)
http.HandleFunc("/connect", handleWebSocket)

// New System Control APIs
http.HandleFunc("/api/system/power", handleSystemPower)
http.HandleFunc("/api/array/action", handleArrayAction)

// File System APIs
http.HandleFunc("/api/files/list", handleFileList)
http.HandleFunc("/api/files/download", handleFileDownload)

// Push APIs
http.HandleFunc("/api/push/token", handlePushTokenRegister)
http.HandleFunc("/api/internal/push", handleInternalPush)
Expand All @@ -1243,9 +1317,83 @@ func main() {
log.Fatal(http.ListenAndServe(addr, nil))
}

type FileInfo struct {
Name string `json:"name"`
Size int64 `json:"size"`
IsDir bool `json:"isDir"`
ModTime string `json:"modTime"`
Path string `json:"path"` // Full path for convenience
}

func handleFileList(w http.ResponseWriter, r *http.Request) {
// Auth
clientKey := getAuthKey(r)
if !isValidKey(clientKey) {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}

pathParam := r.URL.Query().Get("path")
if pathParam == "" {
pathParam = "/mnt/user" // Default Unraid share root
// If /mnt/user doesn't exist (e.g. dev), fallback to /
if _, err := os.Stat(pathParam); os.IsNotExist(err) {
pathParam = "/"
}
}

files, err := os.ReadDir(pathParam)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}

var fileList []FileInfo
for _, f := range files {
info, err := f.Info()
if err != nil {
continue
}
fileList = append(fileList, FileInfo{
Name: f.Name(),
Size: info.Size(),
IsDir: f.IsDir(),
ModTime: info.ModTime().Format(time.RFC3339),
Path: filepath.Join(pathParam, f.Name()),
})
}

w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(fileList)
}

func handleFileDownload(w http.ResponseWriter, r *http.Request) {
// Auth
clientKey := getAuthKey(r)
if !isValidKey(clientKey) {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}

pathParam := r.URL.Query().Get("path")
if pathParam == "" {
http.Error(w, "Missing path", http.StatusBadRequest)
return
}

// Security: Prevent traversal up if we wanted to sandbox (not strictly doing so here for "power" user)
// But basic check that file exists
if _, err := os.Stat(pathParam); os.IsNotExist(err) {
http.NotFound(w, r)
return
}

http.ServeFile(w, r, pathParam)
}

type ContainerActionRequest struct {
Container string `json:"container"`
Action string `json:"action"` // pause, unpause
Action string `json:"action"` // pause, unpause, start, stop, restart, kill
}

func handleContainerAction(w http.ResponseWriter, r *http.Request) {
Expand All @@ -1267,11 +1415,28 @@ func handleContainerAction(w http.ResponseWriter, r *http.Request) {
return
}

if req.Container == "" || (req.Action != "pause" && req.Action != "unpause") {
validActions := map[string]bool{
"pause": true,
"unpause": true,
"start": true,
"stop": true,
"restart": true,
"kill": true,
}

if req.Container == "" || !validActions[req.Action] {
http.Error(w, "Invalid params", http.StatusBadRequest)
return
}

// Dev Mode Check
if os.Getenv("RAIDMAN_DEV") == "true" {
log.Printf("Dev Mode: Would execute docker %s %s", req.Action, req.Container)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(map[string]bool{"success": true, "dev_mode": true})
return
}

// Execute Docker command
if err := exec.Command("docker", req.Action, req.Container).Run(); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
Expand All @@ -1281,3 +1446,144 @@ func handleContainerAction(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(map[string]bool{"success": true})
}

type SystemPowerRequest struct {
Action string `json:"action"` // reboot, shutdown
}

func handleSystemPower(w http.ResponseWriter, r *http.Request) {
// Auth
clientKey := getAuthKey(r)
if !isValidKey(clientKey) {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}

if r.Method != http.MethodPost {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}

var req SystemPowerRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
http.Error(w, "Invalid JSON", http.StatusBadRequest)
return
}

// Determine command
var cmd *exec.Cmd

// Check for Unraid's powerdown script
if _, err := os.Stat("/usr/local/sbin/powerdown"); err == nil {
if req.Action == "reboot" {
cmd = exec.Command("/usr/local/sbin/powerdown", "-r")
} else if req.Action == "shutdown" {
cmd = exec.Command("/usr/local/sbin/powerdown")
}
} else {
// Fallback (or Dev Environment)
if req.Action == "reboot" {
cmd = exec.Command("reboot")
} else if req.Action == "shutdown" {
cmd = exec.Command("shutdown", "-h", "now")
}
}

if cmd == nil {
http.Error(w, "Invalid action", http.StatusBadRequest)
return
}

// Check if we are in a dev environment (don't actually reboot the sandbox)
if os.Getenv("RAIDMAN_DEV") == "true" {
log.Printf("Dev Mode: Would execute %v", cmd.Args)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(map[string]bool{"success": true, "dev_mode": true})
return
}

if err := cmd.Start(); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}

w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(map[string]bool{"success": true})
}

type ArrayActionRequest struct {
Action string `json:"action"` // start, stop, parity_check, parity_cancel, mover_start, mover_stop
}

func handleArrayAction(w http.ResponseWriter, r *http.Request) {
// Auth
clientKey := getAuthKey(r)
if !isValidKey(clientKey) {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}

if r.Method != http.MethodPost {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}

var req ArrayActionRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
http.Error(w, "Invalid JSON", http.StatusBadRequest)
return
}

// Definitions
mdcmd := "/usr/local/sbin/mdcmd"
mover := "/usr/local/sbin/mover"

var cmd *exec.Cmd

switch req.Action {
case "start":
// 'mdcmd start' isn't standard? Actually 'mdcmd set mdState STARTED' is internal.
// Standard way is often via emhttp, but mdcmd cmdStart might work?
// We'll try the common CLI approach found in Unraid scripts
cmd = exec.Command(mdcmd, "start")
case "stop":
cmd = exec.Command(mdcmd, "stop")
case "parity_check":
cmd = exec.Command(mdcmd, "check")
case "parity_cancel":
cmd = exec.Command(mdcmd, "nocheck")
case "mover_start":
cmd = exec.Command(mover, "start")
case "mover_stop":
cmd = exec.Command(mover, "stop")
default:
http.Error(w, "Invalid action", http.StatusBadRequest)
return
}

// Dev Mode Check
if os.Getenv("RAIDMAN_DEV") == "true" {
log.Printf("Dev Mode: Would execute %v", cmd.Args)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(map[string]bool{"success": true, "dev_mode": true})
return
}

// Check existence
if _, err := os.Stat(cmd.Path); os.IsNotExist(err) {
log.Printf("Command not found: %s", cmd.Path)
// For safety in dev/sandbox, return success mock if the binary is missing (likely dev env)
// But in prod this is an error.
// We'll return 500
http.Error(w, fmt.Sprintf("Command not found: %s", cmd.Path), http.StatusInternalServerError)
return
}

if err := cmd.Run(); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}

w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(map[string]bool{"success": true})
}