Fixed cyclic dependencies issues, removed code from sessions handler and started work on traversal

Author: PythonHacker24

internal/session/handler.go

@@ -1,3 +0,0 @@
-package session
-
-

internal/session/manager.go

@@ -10,19 +10,19 @@ import (
 )
 
 var (
-	activeSessions = make(map[string]*Session)
-	activeSessionsMutex sync.RWMutex
+	ActiveSessions = make(map[string]*Session)
+	ActiveSessionsMutex sync.RWMutex
 )
 
 /* for creating a session for user */
 func CreateSession(username string) error {
 
-	/* lock the activeSessions mutex till the function ends */
-	activeSessionsMutex.Lock()
-	defer activeSessionsMutex.Unlock()
+	/* lock the ActiveSessions mutex till the function ends */
+	ActiveSessionsMutex.Lock()
+	defer ActiveSessionsMutex.Unlock()
 
 	/* check if session exists */
-	if _, exists := activeSessions[username]; exists {
+	if _, exists := ActiveSessions[username]; exists {
 		return fmt.Errorf("user already exists in active sessions")
 	}
 
@@ -38,18 +38,18 @@ func CreateSession(username string) error {
 	}
 
 	/* add session to active sessions */
-	activeSessions[username] = session 
+	ActiveSessions[username] = session 
 
 	return nil
 }
 
 /* for expiring a session */
 func ExpireSession(username string) {
-	activeSessionsMutex.Lock()
-	defer activeSessionsMutex.Unlock()
+	ActiveSessionsMutex.Lock()
+	defer ActiveSessionsMutex.Unlock()
 
 	/* delete if user exists in active sessions */
-	if _, exists := activeSessions[username]; exists {
-		delete(activeSessions, username)
+	if _, exists := ActiveSessions[username]; exists {
+		delete(ActiveSessions, username)
 	}
 }

internal/traversal/handler.go

@@ -0,0 +1,3 @@
+package traversal
+
+

internal/traversal/model.go

@@ -0,0 +1,13 @@
+package traversal
+
+/*
+	file entry contains basic information about a file
+	this information is displayed in the traversal view of the frontend
+*/
+type FileEntry struct {
+    Name      string `json:"name"`
+    Path      string `json:"path"`
+    IsDir     bool   `json:"isDir"`
+    Size      int64  `json:"size"`
+    ModTime   int64  `json:"modTime"`
+}

internal/traversal/traversal.go

@@ -0,0 +1,45 @@
+package traversal
+
+import (
+	"os"
+	"path/filepath"
+)
+
+func ListFiles(path string, userID string) ([]FileEntry, error) {
+    var entries []FileEntry
+
+	/* list all the files in the given directory */
+    files, err := os.ReadDir(path)
+    if err != nil {
+        return nil, err
+    }
+
+	/* retrive information for each file in the directory */
+    for _, f := range files {
+        fullPath := filepath.Join(path, f.Name())
+
+        /* check ACL access first */
+        hasAccess := checkACLAccess(fullPath, userID)
+        if !hasAccess {
+			/* if the user doesn't have right ACL permissions for the file, skip it */
+            continue
+        }
+
+		/* get information about the file */
+        info, err := f.Info()
+        if err != nil {
+            continue
+        }
+
+		/* store it in entries that would be returned */
+        entries = append(entries, FileEntry{
+            Name:    f.Name(),
+            Path:    fullPath,
+            IsDir:   f.IsDir(),
+            Size:    info.Size(),
+            ModTime: info.ModTime().Unix(),
+        })
+    }
+
+    return entries, nil
+}