feat: add anti-detect functionality

src-tauri/src/api_client.rs

@@ -259,6 +259,14 @@ pub fn is_browser_version_nightly(
       // Chromium builds are generally stable snapshots
       false
     }
+    "camoufox" => {
+      // For Camoufox, all releases are generally stable unless marked as prerelease
+      if let Some(name) = release_name {
+        name.to_lowercase().contains("alpha")
+      } else {
+        false
+      }
+    }
     _ => {
       // Default fallback
       is_nightly_version(version)
@@ -856,6 +864,31 @@ impl ApiClient {
   }
 
   /// Check if a Brave release has compatible assets for the given platform and architecture
+  fn has_compatible_camoufox_asset(
+    &self,
+    assets: &[crate::browser::GithubAsset],
+    os: &str,
+    arch: &str,
+  ) -> bool {
+    let (os_name, arch_name) = match (os, arch) {
+      ("windows", "x64") => ("win", "x86_64"),
+      ("windows", "arm64") => ("win", "arm64"),
+      ("linux", "x64") => ("lin", "x86_64"),
+      ("linux", "arm64") => ("lin", "arm64"),
+      ("macos", "x64") => ("mac", "x86_64"),
+      ("macos", "arm64") => ("mac", "arm64"),
+      _ => return false,
+    };
+
+    // Look for assets matching the pattern: camoufox-{version}-{release}-{os}.{arch}.zip
+    assets.iter().any(|asset| {
+      let name = asset.name.to_lowercase();
+      name.starts_with("camoufox-")
+        && name.contains(&format!("-{os_name}.{arch_name}.zip"))
+        && name.ends_with(".zip")
+    })
+  }
+
   fn has_compatible_brave_asset(
     assets: &[crate::browser::GithubAsset],
     os: &str,
@@ -996,6 +1029,128 @@ impl ApiClient {
     )
   }
 
+  pub async fn fetch_camoufox_releases_with_caching(
+    &self,
+    no_caching: bool,
+  ) -> Result<Vec<GithubRelease>, Box<dyn std::error::Error + Send + Sync>> {
+    // Check cache first (unless bypassing)
+    if !no_caching {
+      if let Some(cached_releases) = self.load_cached_github_releases("camoufox") {
+        println!(
+          "Using cached Camoufox releases, count: {}",
+          cached_releases.len()
+        );
+        return Ok(cached_releases);
+      }
+    }
+
+    println!("Fetching Camoufox releases from GitHub API...");
+    let url = format!(
+      "{}/repos/daijro/camoufox/releases?per_page=100",
+      self.github_api_base
+    );
+
+    let response = self
+      .client
+      .get(url)
+      .header("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36")
+      .send()
+      .await?;
+
+    if !response.status().is_success() {
+      return Err(format!("GitHub API returned status: {}", response.status()).into());
+    }
+
+    // Get the response text first for better error reporting
+    let response_text = response.text().await?;
+
+    // Try to parse the JSON with better error handling
+    let releases: Vec<GithubRelease> = match serde_json::from_str(&response_text) {
+      Ok(releases) => releases,
+      Err(e) => {
+        eprintln!("Failed to parse GitHub API response for Camoufox releases:");
+        eprintln!("Error: {e}");
+        eprintln!(
+          "Response text (first 500 chars): {}",
+          if response_text.len() > 500 {
+            &response_text[..500]
+          } else {
+            &response_text
+          }
+        );
+        return Err(format!("Failed to parse GitHub API response: {e}").into());
+      }
+    };
+
+    println!(
+      "Fetched {} total Camoufox releases from GitHub",
+      releases.len()
+    );
+
+    // Get platform info to filter appropriate releases
+    let (os, arch) = Self::get_platform_info();
+    println!("Filtering for platform: {os}/{arch}");
+
+    // Filter releases that have assets compatible with the current platform
+    let mut compatible_releases: Vec<GithubRelease> = releases
+      .into_iter()
+      .enumerate()
+      .filter_map(|(i, release)| {
+        let has_compatible = self.has_compatible_camoufox_asset(&release.assets, &os, &arch);
+        if !has_compatible {
+          println!(
+            "Release {} ({}) has no compatible assets for {}/{}",
+            i, release.tag_name, os, arch
+          );
+          println!(
+            "  Available assets: {:?}",
+            release.assets.iter().map(|a| &a.name).collect::<Vec<_>>()
+          );
+        }
+        if has_compatible {
+          Some(release)
+        } else {
+          None
+        }
+      })
+      .collect();
+
+    println!(
+      "After platform filtering: {} compatible releases",
+      compatible_releases.len()
+    );
+
+    // Sort by version (latest first) with debugging
+    println!(
+      "Before sorting: {:?}",
+      compatible_releases
+        .iter()
+        .map(|r| &r.tag_name)
+        .take(10)
+        .collect::<Vec<_>>()
+    );
+    sort_github_releases(&mut compatible_releases);
+    println!(
+      "After sorting: {:?}",
+      compatible_releases
+        .iter()
+        .map(|r| &r.tag_name)
+        .take(10)
+        .collect::<Vec<_>>()
+    );
+
+    // Cache the results (unless bypassing cache)
+    if !no_caching {
+      if let Err(e) = self.save_cached_github_releases("camoufox", &compatible_releases) {
+        eprintln!("Failed to cache Camoufox releases: {e}");
+      } else {
+        println!("Cached {} Camoufox releases", compatible_releases.len());
+      }
+    }
+
+    Ok(compatible_releases)
+  }
+
   pub async fn fetch_tor_releases_with_caching(
     &self,
     no_caching: bool,
@@ -1798,4 +1953,43 @@ mod tests {
     let result = client.fetch_zen_releases_with_caching(true).await;
     assert!(result.is_err());
   }
+
+  #[test]
+  fn test_camoufox_beta_version_parsing() {
+    // Test specific Camoufox beta versions that are causing issues
+    let v22 = VersionComponent::parse("135.0.5beta22");
+    let v24 = VersionComponent::parse("135.0.5beta24");
+
+    println!("v22: {v22:?}");
+    println!("v24: {v24:?}");
+
+    // v24 should be greater than v22
+    assert!(
+      v24 > v22,
+      "135.0.5beta24 should be greater than 135.0.5beta22"
+    );
+
+    // Test other beta version combinations
+    let v1 = VersionComponent::parse("135.0.5beta1");
+    let v2 = VersionComponent::parse("135.0.5beta2");
+    assert!(v2 > v1, "135.0.5beta2 should be greater than 135.0.5beta1");
+
+    // Test sorting of multiple versions
+    let mut versions = vec![
+      "135.0.5beta22".to_string(),
+      "135.0.5beta24".to_string(),
+      "135.0.5beta23".to_string(),
+      "135.0.5beta21".to_string(),
+    ];
+
+    sort_versions(&mut versions);
+
+    println!("Sorted versions: {versions:?}");
+
+    // Should be sorted from newest to oldest
+    assert_eq!(versions[0], "135.0.5beta24");
+    assert_eq!(versions[1], "135.0.5beta23");
+    assert_eq!(versions[2], "135.0.5beta22");
+    assert_eq!(versions[3], "135.0.5beta21");
+  }
 }

src-tauri/src/auto_updater.rs

@@ -522,6 +522,7 @@ mod tests {
       proxy_id: None,
       last_launch: None,
       release_type: "stable".to_string(),
+      camoufox_config: None,
     }
   }
 

src-tauri/src/browser.rs

@@ -19,6 +19,7 @@ pub enum BrowserType {
   Brave,
   Zen,
   TorBrowser,
+  Camoufox,
 }
 
 impl BrowserType {
@@ -31,6 +32,7 @@ impl BrowserType {
       BrowserType::Brave => "brave",
       BrowserType::Zen => "zen",
       BrowserType::TorBrowser => "tor-browser",
+      BrowserType::Camoufox => "camoufox",
     }
   }
 
@@ -43,6 +45,7 @@ impl BrowserType {
       "brave" => Ok(BrowserType::Brave),
       "zen" => Ok(BrowserType::Zen),
       "tor-browser" => Ok(BrowserType::TorBrowser),
+      "camoufox" => Ok(BrowserType::Camoufox),
       _ => Err(format!("Unknown browser type: {s}")),
     }
   }
@@ -89,6 +92,7 @@ mod macos {
           || name.starts_with("mullvad")
           || name.starts_with("zen")
           || name.starts_with("tor")
+          || name.starts_with("camoufox")
           || name.contains("Browser")
       })
       .map(|entry| entry.path())
@@ -192,6 +196,12 @@ mod linux {
           browser_subdir.join("firefox-bin"),
         ]
       }
+      BrowserType::Camoufox => {
+        vec![
+          browser_subdir.join("camoufox"),
+          browser_subdir.join("camoufox-bin"),
+        ]
+      }
       _ => vec![],
     };
 
@@ -274,6 +284,12 @@ mod linux {
           browser_subdir.join("firefox"),
         ]
       }
+      BrowserType::Camoufox => {
+        vec![
+          browser_subdir.join("camoufox-bin"),
+          browser_subdir.join("camoufox"),
+        ]
+      }
       _ => vec![],
     };
 
@@ -358,6 +374,7 @@ mod windows {
             || name.starts_with("mullvad")
             || name.starts_with("zen")
             || name.starts_with("tor")
+            || name.starts_with("camoufox")
             || name.contains("browser")
           {
             return Ok(path);
@@ -436,6 +453,7 @@ mod windows {
             || name.starts_with("mullvad")
             || name.starts_with("zen")
             || name.starts_with("tor")
+            || name.starts_with("camoufox")
             || name.contains("browser")
           {
             return true;
@@ -532,7 +550,10 @@ impl Browser for FirefoxBrowser {
       BrowserType::MullvadBrowser | BrowserType::TorBrowser => {
         args.push("-no-remote".to_string());
       }
-      BrowserType::Firefox | BrowserType::FirefoxDeveloper | BrowserType::Zen => {
+      BrowserType::Firefox
+      | BrowserType::FirefoxDeveloper
+      | BrowserType::Zen
+      | BrowserType::Camoufox => {
         // Don't use -no-remote so we can communicate with existing instances
       }
       _ => {}
@@ -693,6 +714,81 @@ impl Browser for ChromiumBrowser {
   }
 }
 
+pub struct CamoufoxBrowser;
+
+impl CamoufoxBrowser {
+  pub fn new() -> Self {
+    Self
+  }
+}
+
+impl Browser for CamoufoxBrowser {
+  fn get_executable_path(&self, install_dir: &Path) -> Result<PathBuf, Box<dyn std::error::Error>> {
+    #[cfg(target_os = "macos")]
+    return macos::get_firefox_executable_path(install_dir);
+
+    #[cfg(target_os = "linux")]
+    return linux::get_firefox_executable_path(install_dir, &BrowserType::Camoufox);
+
+    #[cfg(target_os = "windows")]
+    return windows::get_firefox_executable_path(install_dir);
+
+    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
+    Err("Unsupported platform".into())
+  }
+
+  fn create_launch_args(
+    &self,
+    profile_path: &str,
+    _proxy_settings: Option<&ProxySettings>,
+    url: Option<String>,
+  ) -> Result<Vec<String>, Box<dyn std::error::Error>> {
+    // For Camoufox, we handle launching through the camoufox launcher
+    // This method won't be used directly, but we provide basic Firefox args as fallback
+    let mut args = vec![
+      "-profile".to_string(),
+      profile_path.to_string(),
+      "-no-remote".to_string(),
+    ];
+
+    if let Some(url) = url {
+      args.push(url);
+    }
+
+    Ok(args)
+  }
+
+  fn is_version_downloaded(&self, version: &str, binaries_dir: &Path) -> bool {
+    let install_dir = binaries_dir.join("camoufox").join(version);
+
+    #[cfg(target_os = "macos")]
+    return macos::is_firefox_version_downloaded(&install_dir);
+
+    #[cfg(target_os = "linux")]
+    return linux::is_firefox_version_downloaded(&install_dir, &BrowserType::Camoufox);
+
+    #[cfg(target_os = "windows")]
+    return windows::is_firefox_version_downloaded(&install_dir);
+
+    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
+    false
+  }
+
+  fn prepare_executable(&self, executable_path: &Path) -> Result<(), Box<dyn std::error::Error>> {
+    #[cfg(target_os = "macos")]
+    return macos::prepare_executable(executable_path);
+
+    #[cfg(target_os = "linux")]
+    return linux::prepare_executable(executable_path);
+
+    #[cfg(target_os = "windows")]
+    return windows::prepare_executable(executable_path);
+
+    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
+    Err("Unsupported platform".into())
+  }
+}
+
 // Factory function to create browser instances
 pub fn create_browser(browser_type: BrowserType) -> Box<dyn Browser> {
   match browser_type {
@@ -702,6 +798,7 @@ pub fn create_browser(browser_type: BrowserType) -> Box<dyn Browser> {
     | BrowserType::Zen
     | BrowserType::TorBrowser => Box::new(FirefoxBrowser::new(browser_type)),
     BrowserType::Chromium | BrowserType::Brave => Box::new(ChromiumBrowser::new(browser_type)),
+    BrowserType::Camoufox => Box::new(CamoufoxBrowser::new()),
   }
 }
 
@@ -778,6 +875,7 @@ mod tests {
     assert_eq!(BrowserType::Brave.as_str(), "brave");
     assert_eq!(BrowserType::Zen.as_str(), "zen");
     assert_eq!(BrowserType::TorBrowser.as_str(), "tor-browser");
+    assert_eq!(BrowserType::Camoufox.as_str(), "camoufox");
 
     // Test from_str
     assert_eq!(
@@ -802,6 +900,10 @@ mod tests {
       BrowserType::from_str("tor-browser").unwrap(),
       BrowserType::TorBrowser
     );
+    assert_eq!(
+      BrowserType::from_str("camoufox").unwrap(),
+      BrowserType::Camoufox
+    );
 
     // Test invalid browser type
     assert!(BrowserType::from_str("invalid").is_err());

src-tauri/src/browser_runner.rs

@@ -13,6 +13,7 @@ use crate::browser::{create_browser, BrowserType, ProxySettings};
 use crate::browser_version_service::{
   BrowserVersionInfo, BrowserVersionService, BrowserVersionsResult,
 };
+use crate::camoufox::CamoufoxConfig;
 use crate::download::{DownloadProgress, Downloader};
 use crate::downloaded_browsers::DownloadedBrowsersRegistry;
 use crate::extraction::Extractor;
@@ -31,13 +32,15 @@ pub struct BrowserProfile {
   pub last_launch: Option<u64>,
   #[serde(default = "default_release_type")]
   pub release_type: String, // "stable" or "nightly"
+  #[serde(default)]
+  pub camoufox_config: Option<CamoufoxConfig>, // Camoufox configuration
 }
 
 fn default_release_type() -> String {
   "stable".to_string()
 }
 
-// Global state to track currently downloading browsers
+// Global state to track currently downloading browser-version pairs
 lazy_static::lazy_static! {
   static ref DOWNLOADING_BROWSERS: Arc<Mutex<HashSet<String>>> = Arc::new(Mutex::new(HashSet::new()));
 }
@@ -1347,6 +1350,7 @@ impl BrowserRunner {
     version: &str,
     release_type: &str,
     proxy_id: Option<String>,
+    camoufox_config: Option<CamoufoxConfig>,
   ) -> Result<BrowserProfile, Box<dyn std::error::Error>> {
     println!("Attempting to create profile: {name}");
 
@@ -1379,6 +1383,7 @@ impl BrowserRunner {
       process_id: None,
       last_launch: None,
       release_type: release_type.to_string(),
+      camoufox_config: camoufox_config.clone(),
     };
 
     // Save profile info
@@ -1772,10 +1777,109 @@ impl BrowserRunner {
 
   pub async fn launch_browser(
     &self,
+    app_handle: tauri::AppHandle,
     profile: &BrowserProfile,
     url: Option<String>,
     local_proxy_settings: Option<&ProxySettings>,
   ) -> Result<BrowserProfile, Box<dyn std::error::Error + Send + Sync>> {
+    // Handle camoufox profiles specially
+    if profile.browser == "camoufox" {
+      if let Some(mut camoufox_config) = profile.camoufox_config.clone() {
+        // Handle proxy settings for camoufox
+        if let Some(proxy_id) = &profile.proxy_id {
+          if let Some(stored_proxy) = PROXY_MANAGER.get_proxy_settings_by_id(proxy_id) {
+            println!("Starting proxy for Camoufox profile: {}", profile.name);
+
+            // Start the proxy and get local proxy settings
+            let local_proxy = PROXY_MANAGER
+              .start_proxy(
+                app_handle.clone(),
+                &stored_proxy,
+                0, // Use 0 as temporary PID, will be updated later
+                Some(&profile.name),
+              )
+              .await
+              .map_err(|e| format!("Failed to start proxy for Camoufox: {e}"))?;
+
+            // Format proxy URL for camoufox
+            let proxy_url = format!(
+              "{}://{}:{}",
+              if stored_proxy.proxy_type == "socks5" || stored_proxy.proxy_type == "socks4" {
+                &stored_proxy.proxy_type
+              } else {
+                "http"
+              },
+              local_proxy.host,
+              local_proxy.port
+            );
+
+            // Add username and password if available
+            let proxy_url = if let (Some(username), Some(password)) =
+              (&stored_proxy.username, &stored_proxy.password)
+            {
+              format!(
+                "{}://{}:{}@{}:{}",
+                if stored_proxy.proxy_type == "socks5" || stored_proxy.proxy_type == "socks4" {
+                  &stored_proxy.proxy_type
+                } else {
+                  "http"
+                },
+                username,
+                password,
+                local_proxy.host,
+                local_proxy.port
+              )
+            } else {
+              proxy_url
+            };
+
+            // Set proxy in camoufox config
+            camoufox_config.proxy = Some(proxy_url);
+
+            println!("Configured proxy for Camoufox: {:?}", camoufox_config.proxy);
+          }
+        }
+
+        // Use the camoufox launcher
+        let camoufox_result = crate::camoufox::launch_camoufox_profile(
+          app_handle.clone(),
+          profile.clone(),
+          camoufox_config,
+          url,
+        )
+        .await
+        .map_err(|e| -> Box<dyn std::error::Error + Send + Sync> {
+          format!("Failed to launch camoufox: {e}").into()
+        })?;
+
+        // Update proxy with actual PID if proxy was started
+        if let Some(pid) = camoufox_result.pid {
+          if profile.proxy_id.is_some() {
+            if let Err(e) = PROXY_MANAGER.update_proxy_pid(0, pid) {
+              println!("Warning: Failed to update proxy PID: {e}");
+            }
+          }
+        }
+
+        // Update profile with the process info from camoufox result
+        let mut updated_profile = profile.clone();
+        updated_profile.process_id = camoufox_result.pid;
+        updated_profile.last_launch = Some(SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs());
+
+        // Save the updated profile
+        self.save_process_info(&updated_profile)?;
+
+        // Emit profile update event to frontend
+        if let Err(e) = app_handle.emit("profile-updated", &updated_profile) {
+          println!("Warning: Failed to emit profile update event: {e}");
+        }
+
+        return Ok(updated_profile);
+      } else {
+        return Err("Camoufox profile missing configuration".into());
+      }
+    }
+
     // Create browser instance
     let browser_type = BrowserType::from_str(&profile.browser)
       .map_err(|_| format!("Invalid browser type: {}", profile.browser))?;
@@ -1853,91 +1957,85 @@ impl BrowserRunner {
 
     // For TOR and Mullvad browsers, we need to find the actual browser process
     // because they use launcher scripts that spawn the real browser process
-    let actual_pid = if matches!(
+    let mut actual_pid = launcher_pid;
+
+    if matches!(
       browser_type,
       BrowserType::TorBrowser | BrowserType::MullvadBrowser
     ) {
-      println!("Waiting for TOR/Mullvad browser to fully start...");
-
-      // Wait a bit for the browser to fully start
+      // Wait a moment for the actual browser process to start
       tokio::time::sleep(tokio::time::Duration::from_millis(3000)).await;
 
-      // Search for the actual browser process
+      // Find the actual browser process
       let system = System::new_all();
-      let mut found_pid: Option<u32> = None;
+      for (pid, process) in system.processes() {
+        let process_name = process.name().to_str().unwrap_or("");
+        let process_cmd = process.cmd();
+        let pid_u32 = pid.as_u32();
 
-      // Try multiple times to find the process as it might take time to start
-      for attempt in 1..=5 {
-        println!("Attempt {attempt} to find actual browser process...");
-
-        for (pid, process) in system.processes() {
-          let cmd = process.cmd();
-          if cmd.len() >= 2 {
-            // Check if this is the right browser executable
-            let exe_name = process.name().to_string_lossy().to_lowercase();
-            let is_correct_browser = match profile.browser.as_str() {
-              "mullvad-browser" => {
-                self.is_tor_or_mullvad_browser(&exe_name, cmd, "mullvad-browser")
-              }
-              "tor-browser" => self.is_tor_or_mullvad_browser(&exe_name, cmd, "tor-browser"),
-              _ => false,
-            };
-
-            if !is_correct_browser {
-              continue;
-            }
-
-            // Check for profile path match
-            let profile_path_match = cmd.iter().any(|s| {
-              let arg = s.to_str().unwrap_or("");
-              arg == profile_data_path.to_string_lossy()
-                || arg == format!("-profile={}", profile_data_path.to_string_lossy())
-                || (arg == "-profile"
-                  && cmd
-                    .iter()
-                    .any(|s2| s2.to_str().unwrap_or("") == profile_data_path.to_string_lossy()))
-            });
-
-            if profile_path_match {
-              found_pid = Some(pid.as_u32());
-              println!(
-                "Found actual browser process with PID: {} for profile: {}",
-                pid.as_u32(),
-                profile.name
-              );
-              break;
-            }
-          }
+        // Skip if this is the launcher process itself
+        if pid_u32 == launcher_pid {
+          continue;
         }
 
-        if found_pid.is_some() {
+        if self.is_tor_or_mullvad_browser(process_name, process_cmd, &profile.browser) {
+          println!(
+            "Found actual {} browser process: PID {} ({})",
+            profile.browser, pid_u32, process_name
+          );
+          actual_pid = pid_u32;
           break;
         }
-
-        // Wait before next attempt
-        tokio::time::sleep(tokio::time::Duration::from_millis(1000)).await;
       }
+    }
 
-      found_pid.unwrap_or(launcher_pid)
-    } else {
-      // For other browsers, the launcher PID is usually the actual browser PID
-      launcher_pid
-    };
-
-    // Update profile with process info
+    // Update profile with process info and save
     let mut updated_profile = profile.clone();
     updated_profile.process_id = Some(actual_pid);
     updated_profile.last_launch = Some(SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs());
 
-    // Save the updated profile
-    self
-      .save_process_info(&updated_profile)
-      .expect("Failed to save process info");
+    self.save_process_info(&updated_profile)?;
+
+    // Apply proxy settings if needed (for Firefox-based browsers)
+    if profile.proxy_id.is_some()
+      && matches!(
+        browser_type,
+        BrowserType::Firefox
+          | BrowserType::FirefoxDeveloper
+          | BrowserType::Zen
+          | BrowserType::TorBrowser
+          | BrowserType::MullvadBrowser
+      )
+    {
+      // Proxy settings for Firefox-based browsers are applied via user.js file
+      // which is already handled in the profile creation process
+    }
+
+    // Start proxy if configured and needed (for Chromium-based browsers)
+    if let Some(proxy_id) = &profile.proxy_id {
+      if let Some(stored_proxy) = PROXY_MANAGER.get_proxy_settings_by_id(proxy_id) {
+        println!("Starting proxy for profile: {}", profile.name);
+
+        match PROXY_MANAGER
+          .start_proxy(
+            app_handle.clone(),
+            &stored_proxy,
+            actual_pid,
+            Some(&profile.name),
+          )
+          .await
+        {
+          Ok(_) => println!("Proxy started successfully for profile: {}", profile.name),
+          Err(e) => println!("Warning: Failed to start proxy: {e}"),
+        }
+      }
+    }
+
+    // Emit profile update event to frontend
+    if let Err(e) = app_handle.emit("profile-updated", &updated_profile) {
+      println!("Warning: Failed to emit profile update event: {e}");
+    }
 
-    println!(
-      "Browser launched successfully with PID: {} for profile: {}",
-      actual_pid, profile.name
-    );
     Ok(updated_profile)
   }
 
@@ -1948,8 +2046,43 @@ impl BrowserRunner {
     url: &str,
     _internal_proxy_settings: Option<&ProxySettings>,
   ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
-    // Use the comprehensive browser status check
-    let is_running = self.check_browser_status(app_handle, profile).await?;
+    // Handle camoufox profiles specially
+    if profile.browser == "camoufox" {
+      let camoufox_launcher = crate::camoufox::CamoufoxLauncher::new(app_handle.clone());
+
+      // Get the profile path based on the UUID
+      let profiles_dir = self.get_profiles_dir();
+      let profile_data_path = profile.get_profile_data_path(&profiles_dir);
+      let profile_path_str = profile_data_path.to_string_lossy();
+
+      // Check if the process is running
+      match camoufox_launcher
+        .find_camoufox_by_profile(&profile_path_str)
+        .await
+      {
+        Ok(Some(_camoufox_process)) => {
+          println!(
+            "Opening URL in existing Camoufox process for profile: {}",
+            profile.name
+          );
+
+          // For Camoufox, we need to launch a new instance with the URL since nodecar doesn't support
+          // opening URLs in existing instances. This is a limitation of the anti-detect architecture.
+          return Err("Camoufox does not support opening URLs in existing instances. Please close the browser and relaunch it with the new URL.".into());
+        }
+        Ok(None) => {
+          return Err("Camoufox browser is not running".into());
+        }
+        Err(e) => {
+          return Err(format!("Error checking Camoufox process: {e}").into());
+        }
+      }
+    }
+
+    // Use the comprehensive browser status check for non-camoufox browsers
+    let is_running = self
+      .check_browser_status(app_handle.clone(), profile)
+      .await?;
 
     if !is_running {
       return Err("Browser is not running".into());
@@ -2105,6 +2238,10 @@ impl BrowserRunner {
         #[cfg(not(any(target_os = "macos", target_os = "windows", target_os = "linux")))]
         return Err("Unsupported platform".into());
       }
+      BrowserType::Camoufox => {
+        // This should never be reached due to the early return above, but handle it just in case
+        Err("Camoufox does not support opening URLs in existing instances".into())
+      }
     }
   }
 
@@ -2159,7 +2296,7 @@ impl BrowserRunner {
         }
         match self
           .open_url_in_existing_browser(
-            app_handle,
+            app_handle.clone(),
             &final_profile,
             url_ref,
             internal_proxy_settings,
@@ -2188,7 +2325,7 @@ impl BrowserRunner {
                   final_profile.browser
                 );
                 // Fallback to launching a new instance for other browsers
-                self.launch_browser(&final_profile, url, internal_proxy_settings).await
+                self.launch_browser(app_handle.clone(), &final_profile, url, internal_proxy_settings).await
               }
             }
           }
@@ -2197,7 +2334,12 @@ impl BrowserRunner {
         // This case shouldn't happen since we checked is_some() above, but handle it gracefully
         println!("URL was unexpectedly None, launching new browser instance");
         self
-          .launch_browser(&final_profile, url, internal_proxy_settings)
+          .launch_browser(
+            app_handle.clone(),
+            &final_profile,
+            url,
+            internal_proxy_settings,
+          )
           .await
       }
     } else {
@@ -2208,7 +2350,12 @@ impl BrowserRunner {
         println!("Launching new browser instance - no URL provided");
       }
       self
-        .launch_browser(&final_profile, url, internal_proxy_settings)
+        .launch_browser(
+          app_handle.clone(),
+          &final_profile,
+          url,
+          internal_proxy_settings,
+        )
         .await
     }
   }
@@ -2242,9 +2389,15 @@ impl BrowserRunner {
     Ok(profile)
   }
 
-  fn save_process_info(&self, profile: &BrowserProfile) -> Result<(), Box<dyn std::error::Error>> {
+  fn save_process_info(
+    &self,
+    profile: &BrowserProfile,
+  ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
     // Use the regular save_profile method which handles the UUID structure
-    self.save_profile(profile)
+    self.save_profile(profile).map_err(|e| {
+      let error_string = e.to_string();
+      Box::new(std::io::Error::other(error_string)) as Box<dyn std::error::Error + Send + Sync>
+    })
   }
 
   pub fn delete_profile(&self, profile_name: &str) -> Result<(), Box<dyn std::error::Error>> {
@@ -2294,6 +2447,79 @@ impl BrowserRunner {
     app_handle: tauri::AppHandle,
     profile: &BrowserProfile,
   ) -> Result<bool, Box<dyn std::error::Error + Send + Sync>> {
+    // Handle camoufox profiles specially using the camoufox launcher
+    if profile.browser == "camoufox" {
+      let camoufox_launcher = crate::camoufox::CamoufoxLauncher::new(app_handle.clone());
+
+      // Get the profile path based on the UUID
+      let profiles_dir = self.get_profiles_dir();
+      let profile_data_path = profile.get_profile_data_path(&profiles_dir);
+      let profile_path_str = profile_data_path.to_string_lossy();
+
+      println!("Checking Camoufox status for profile: {}", profile.name);
+      println!("Profile UUID: {}", profile.id);
+      println!("Profile path: {profile_path_str}");
+
+      match camoufox_launcher
+        .find_camoufox_by_profile(&profile_path_str)
+        .await
+      {
+        Ok(Some(camoufox_process)) => {
+          // Found a running camoufox process for this profile
+          println!(
+            "Found running Camoufox process for profile {}: {:?}",
+            profile.name, camoufox_process
+          );
+
+          // Update the profile with the current PID if it's different
+          if let Some(pid) = camoufox_process.pid {
+            if profile.process_id != Some(pid) {
+              let mut updated_profile = profile.clone();
+              updated_profile.process_id = Some(pid);
+              if let Err(e) = self.save_profile(&updated_profile) {
+                println!("Warning: Failed to update profile PID: {e}");
+              } else {
+                // Emit profile update event to frontend
+                if let Err(e) = app_handle.emit("profile-updated", &updated_profile) {
+                  println!("Warning: Failed to emit profile update event: {e}");
+                }
+              }
+            }
+          }
+
+          return Ok(true);
+        }
+        Ok(None) => {
+          // No running camoufox process found for this profile
+          println!(
+            "No running Camoufox process found for profile: {}",
+            profile.name
+          );
+
+          // Clear the PID if one was stored
+          if profile.process_id.is_some() {
+            let mut updated_profile = profile.clone();
+            updated_profile.process_id = None;
+            if let Err(e) = self.save_profile(&updated_profile) {
+              println!("Warning: Failed to clear profile PID: {e}");
+            } else {
+              // Emit profile update event to frontend
+              if let Err(e) = app_handle.emit("profile-updated", &updated_profile) {
+                println!("Warning: Failed to emit profile update event: {e}");
+              }
+            }
+          }
+
+          return Ok(false);
+        }
+        Err(e) => {
+          println!("Error checking Camoufox status: {e}");
+          return Ok(false);
+        }
+      }
+    }
+
+    // For non-camoufox browsers, use the existing logic
     let mut inner_profile = profile.clone();
     let system = System::new_all();
     let mut is_running = false;
@@ -2416,67 +2642,21 @@ impl BrowserRunner {
     if let Some(pid) = found_pid {
       if inner_profile.process_id != Some(pid) {
         inner_profile.process_id = Some(pid);
-        if let Err(e) = self.save_process_info(&inner_profile) {
-          println!("Warning: Failed to update process info: {e}");
-        } else {
-          println!(
-            "Updated process ID for profile '{}' to: {}",
-            inner_profile.name, pid
-          );
+        if let Err(e) = self.save_profile(&inner_profile) {
+          println!("Warning: Failed to update profile with new PID: {e}");
         }
       }
-    } else if is_running {
-      println!("Browser is running but no PID found - this shouldn't happen");
-    } else {
-      // Browser is not running, clear the PID if it was set
-      if inner_profile.process_id.is_some() {
-        inner_profile.process_id = None;
-        if let Err(e) = self.save_process_info(&inner_profile) {
-          println!("Warning: Failed to clear process info: {e}");
-        } else {
-          println!("Cleared process ID for profile '{}'", inner_profile.name);
-        }
+    } else if inner_profile.process_id.is_some() {
+      // Clear the PID if no process found
+      inner_profile.process_id = None;
+      if let Err(e) = self.save_profile(&inner_profile) {
+        println!("Warning: Failed to clear profile PID: {e}");
       }
     }
 
-    // Handle proxy management based on browser status
-    if let Some(proxy_id) = &inner_profile.proxy_id {
-      if let Some(proxy) = PROXY_MANAGER.get_proxy_settings_by_id(proxy_id) {
-        if is_running {
-          // Browser is running, check if proxy is active
-          let proxy_active = PROXY_MANAGER
-            .get_proxy_settings(inner_profile.process_id.unwrap_or(0))
-            .is_some();
-
-          if !proxy_active {
-            // Browser is running but proxy is not - restart the proxy
-            match PROXY_MANAGER
-              .start_proxy(
-                app_handle,
-                &proxy,
-                inner_profile.process_id.unwrap(),
-                Some(&inner_profile.name),
-              )
-              .await
-            {
-              Ok(_) => {
-                println!("Restarted proxy for profile {}", inner_profile.name);
-              }
-              Err(e) => {
-                eprintln!(
-                  "Failed to restart proxy for profile {}: {}",
-                  inner_profile.name, e
-                );
-              }
-            }
-          }
-        } else {
-          // Browser is not running, stop the proxy if it exists
-          if let Some(pid) = profile.process_id {
-            let _ = PROXY_MANAGER.stop_proxy(app_handle, pid).await;
-          }
-        }
-      }
+    // Emit profile update event to frontend
+    if let Err(e) = app_handle.emit("profile-updated", &inner_profile) {
+      println!("Warning: Failed to emit profile update event: {e}");
     }
 
     Ok(is_running)
@@ -2487,7 +2667,87 @@ impl BrowserRunner {
     app_handle: tauri::AppHandle,
     profile: &BrowserProfile,
   ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
-    // Get the current process ID
+    // Handle camoufox profiles specially
+    if profile.browser == "camoufox" {
+      let camoufox_launcher = crate::camoufox::CamoufoxLauncher::new(app_handle.clone());
+
+      // Get the profile path based on the UUID
+      let profiles_dir = self.get_profiles_dir();
+      let profile_data_path = profile.get_profile_data_path(&profiles_dir);
+      let profile_path_str = profile_data_path.to_string_lossy();
+
+      println!(
+        "Attempting to kill Camoufox process for profile: {}",
+        profile.name
+      );
+      println!("Profile UUID: {}", profile.id);
+      println!("Profile path: {profile_path_str}");
+
+      match camoufox_launcher
+        .find_camoufox_by_profile(&profile_path_str)
+        .await
+      {
+        Ok(Some(camoufox_process)) => {
+          println!(
+            "Found running Camoufox process for profile {}: {:?}",
+            profile.name, camoufox_process
+          );
+
+          // Stop the camoufox process using the launcher
+          match camoufox_launcher.stop_camoufox(&camoufox_process.id).await {
+            Ok(stopped) => {
+              if stopped {
+                println!(
+                  "Successfully stopped Camoufox process: {}",
+                  camoufox_process.id
+                );
+              } else {
+                println!("Failed to stop Camoufox process: {}", camoufox_process.id);
+                return Err("Failed to stop Camoufox process".into());
+              }
+            }
+            Err(e) => {
+              println!("Error stopping Camoufox process: {e}");
+              return Err(format!("Error stopping Camoufox process: {e}").into());
+            }
+          }
+        }
+        Ok(None) => {
+          println!(
+            "No running Camoufox process found for profile: {}",
+            profile.name
+          );
+          // Process might already be stopped, just clear the PID
+        }
+        Err(e) => {
+          println!("Error finding Camoufox process: {e}");
+          return Err(format!("Error finding Camoufox process: {e}").into());
+        }
+      }
+
+      // Stop proxy if one was running for this profile
+      if let Some(pid) = profile.process_id {
+        if let Err(e) = PROXY_MANAGER.stop_proxy(app_handle.clone(), pid).await {
+          println!("Warning: Failed to stop proxy for Camoufox profile: {e}");
+        }
+      }
+
+      // Clear the process ID from the profile
+      let mut updated_profile = profile.clone();
+      updated_profile.process_id = None;
+      self
+        .save_process_info(&updated_profile)
+        .map_err(|e| format!("Failed to update profile: {e}"))?;
+
+      // Emit profile update event to frontend
+      if let Err(e) = app_handle.emit("profile-updated", &updated_profile) {
+        println!("Warning: Failed to emit profile update event: {e}");
+      }
+
+      return Ok(());
+    }
+
+    // For non-camoufox browsers, use the existing logic
     let pid = if let Some(pid) = profile.process_id {
       pid
     } else {
@@ -2554,7 +2814,7 @@ impl BrowserRunner {
     println!("Attempting to kill browser process with PID: {pid}");
 
     // Stop any associated proxy first
-    if let Err(e) = PROXY_MANAGER.stop_proxy(app_handle, pid).await {
+    if let Err(e) = PROXY_MANAGER.stop_proxy(app_handle.clone(), pid).await {
       println!("Warning: Failed to stop proxy for PID {pid}: {e}");
     }
 
@@ -2667,16 +2927,17 @@ impl BrowserRunner {
     browser_str: String,
     version: String,
   ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
-    // Check if this browser type is already being downloaded
+    // Check if this browser-version pair is already being downloaded
+    let download_key = format!("{browser_str}-{version}");
     {
       let mut downloading = DOWNLOADING_BROWSERS.lock().unwrap();
-      if downloading.contains(&browser_str) {
+      if downloading.contains(&download_key) {
         return Err(format!(
-          "Browser '{browser_str}' is already being downloaded. Please wait for the current download to complete."
+          "Browser '{browser_str}' version '{version}' is already being downloaded. Please wait for the current download to complete."
         ).into());
       }
-      // Mark this browser as being downloaded
-      downloading.insert(browser_str.clone());
+      // Mark this browser-version pair as being downloaded
+      downloading.insert(download_key.clone());
     }
 
     let browser_type =
@@ -2762,10 +3023,10 @@ impl BrowserRunner {
         // Clean up failed download
         let _ = registry.cleanup_failed_download(&browser_str, &version);
         let _ = registry.save();
-        // Remove browser from downloading set on error
+        // Remove browser-version pair from downloading set on error
         {
           let mut downloading = DOWNLOADING_BROWSERS.lock().unwrap();
-          downloading.remove(&browser_str);
+          downloading.remove(&download_key);
         }
         return Err(format!("Failed to download browser: {e}").into());
       }
@@ -2794,10 +3055,10 @@ impl BrowserRunner {
           // Clean up failed download
           let _ = registry.cleanup_failed_download(&browser_str, &version);
           let _ = registry.save();
-          // Remove browser from downloading set on error
+          // Remove browser-version pair from downloading set on error
           {
             let mut downloading = DOWNLOADING_BROWSERS.lock().unwrap();
-            downloading.remove(&browser_str);
+            downloading.remove(&download_key);
           }
           return Err(format!("Failed to extract browser: {e}").into());
         }
@@ -2828,10 +3089,10 @@ impl BrowserRunner {
     if !browser.is_version_downloaded(&version, &binaries_dir) {
       let _ = registry.cleanup_failed_download(&browser_str, &version);
       let _ = registry.save();
-      // Remove browser from downloading set on verification failure
+      // Remove browser-version pair from downloading set on verification failure
       {
         let mut downloading = DOWNLOADING_BROWSERS.lock().unwrap();
-        downloading.remove(&browser_str);
+        downloading.remove(&download_key);
       }
       return Err("Browser download completed but verification failed".into());
     }
@@ -2850,6 +3111,26 @@ impl BrowserRunner {
       .save()
       .map_err(|e| format!("Failed to save registry: {e}"))?;
 
+    // If this is Camoufox, automatically download GeoIP database
+    if browser_str == "camoufox" {
+      use crate::geoip_downloader::GeoIPDownloader;
+
+      // Check if GeoIP database is already available
+      if !GeoIPDownloader::is_geoip_database_available() {
+        println!("Downloading GeoIP database for Camoufox...");
+
+        let geoip_downloader = GeoIPDownloader::new();
+        if let Err(e) = geoip_downloader.download_geoip_database(&app_handle).await {
+          eprintln!("Warning: Failed to download GeoIP database: {e}");
+          // Don't fail the browser download if GeoIP download fails
+        } else {
+          println!("GeoIP database downloaded successfully");
+        }
+      } else {
+        println!("GeoIP database already available");
+      }
+    }
+
     // Emit completion
     let progress = DownloadProgress {
       browser: browser_str.clone(),
@@ -2863,10 +3144,10 @@ impl BrowserRunner {
     };
     let _ = app_handle.emit("download-progress", &progress);
 
-    // Remove browser from downloading set
+    // Remove browser-version pair from downloading set
     {
       let mut downloading = DOWNLOADING_BROWSERS.lock().unwrap();
-      downloading.remove(&browser_str);
+      downloading.remove(&download_key);
     }
 
     Ok(version)
@@ -2899,6 +3180,34 @@ impl BrowserRunner {
 
     files_exist
   }
+
+  /// Update camoufox configuration for a profile
+  pub fn update_camoufox_config(
+    &self,
+    profile_name: &str,
+    config: CamoufoxConfig,
+  ) -> Result<(), Box<dyn std::error::Error>> {
+    let mut profiles = self.list_profiles()?;
+
+    // Find the profile to update
+    let profile = profiles
+      .iter_mut()
+      .find(|p| p.name == profile_name)
+      .ok_or_else(|| format!("Profile '{profile_name}' not found"))?;
+
+    // Ensure the profile is a camoufox profile
+    if profile.browser != "camoufox" {
+      return Err(format!("Profile '{profile_name}' is not a camoufox profile").into());
+    }
+
+    // Update the camoufox configuration
+    profile.camoufox_config = Some(config);
+
+    // Save the updated profile
+    self.save_profile(profile)?;
+
+    Ok(())
+  }
 }
 
 impl BrowserProfile {
@@ -2915,10 +3224,18 @@ pub fn create_browser_profile(
   version: String,
   release_type: String,
   proxy_id: Option<String>,
+  camoufox_config: Option<CamoufoxConfig>,
 ) -> Result<BrowserProfile, String> {
   let browser_runner = BrowserRunner::new();
   browser_runner
-    .create_profile(&name, &browser, &version, &release_type, proxy_id)
+    .create_profile(
+      &name,
+      &browser,
+      &version,
+      &release_type,
+      proxy_id,
+      camoufox_config,
+    )
     .map_err(|e| format!("Failed to create profile: {e}"))
 }
 
@@ -3207,6 +3524,7 @@ pub fn create_browser_profile_new(
   version: String,
   release_type: String,
   proxy_id: Option<String>,
+  camoufox_config: Option<CamoufoxConfig>,
 ) -> Result<BrowserProfile, String> {
   let browser_type =
     BrowserType::from_str(&browser_str).map_err(|e| format!("Invalid browser type: {e}"))?;
@@ -3216,6 +3534,7 @@ pub fn create_browser_profile_new(
     version,
     release_type,
     proxy_id,
+    camoufox_config,
   )
 }
 
@@ -3313,7 +3632,7 @@ mod tests {
     let (runner, _temp_dir) = create_test_browser_runner();
 
     let profile = runner
-      .create_profile("Test Profile", "firefox", "139.0", "stable", None)
+      .create_profile("Test Profile", "firefox", "139.0", "stable", None, None)
       .unwrap();
 
     assert_eq!(profile.name, "Test Profile");
@@ -3342,6 +3661,7 @@ mod tests {
         "139.0",
         "stable",
         None, // Tests now use separate proxy storage system
+        None, // No camoufox config for this test
       )
       .unwrap();
 
@@ -3355,7 +3675,7 @@ mod tests {
     let (runner, _temp_dir) = create_test_browser_runner();
 
     let profile = runner
-      .create_profile("Test Save Load", "firefox", "139.0", "stable", None)
+      .create_profile("Test Save Load", "firefox", "139.0", "stable", None, None)
       .unwrap();
 
     // Save the profile
@@ -3375,7 +3695,7 @@ mod tests {
 
     // Create profile
     let _ = runner
-      .create_profile("Original Name", "firefox", "139.0", "stable", None)
+      .create_profile("Original Name", "firefox", "139.0", "stable", None, None)
       .unwrap();
 
     // Rename profile
@@ -3395,7 +3715,7 @@ mod tests {
 
     // Create profile
     let _ = runner
-      .create_profile("To Delete", "firefox", "139.0", "stable", None)
+      .create_profile("To Delete", "firefox", "139.0", "stable", None, None)
       .unwrap();
 
     // Verify profile exists
@@ -3422,6 +3742,7 @@ mod tests {
         "139.0",
         "stable",
         None,
+        None,
       )
       .unwrap();
 
@@ -3444,13 +3765,13 @@ mod tests {
 
     // Create multiple profiles
     let _ = runner
-      .create_profile("Profile 1", "firefox", "139.0", "stable", None)
+      .create_profile("Profile 1", "firefox", "139.0", "stable", None, None)
       .unwrap();
     let _ = runner
-      .create_profile("Profile 2", "chromium", "1465660", "stable", None)
+      .create_profile("Profile 2", "chromium", "1465660", "stable", None, None)
       .unwrap();
     let _ = runner
-      .create_profile("Profile 3", "brave", "v1.81.9", "stable", None)
+      .create_profile("Profile 3", "brave", "v1.81.9", "stable", None, None)
       .unwrap();
 
     // List profiles
@@ -3469,10 +3790,10 @@ mod tests {
 
     // Test that we can't rename to an existing profile name
     let _ = runner
-      .create_profile("Profile 1", "firefox", "139.0", "stable", None)
+      .create_profile("Profile 1", "firefox", "139.0", "stable", None, None)
       .unwrap();
     let _ = runner
-      .create_profile("Profile 2", "firefox", "139.0", "stable", None)
+      .create_profile("Profile 2", "firefox", "139.0", "stable", None, None)
       .unwrap();
 
     // Try to rename profile2 to profile1's name (should fail)
@@ -3493,6 +3814,7 @@ mod tests {
         "139.0",
         "stable",
         None,
+        None,
       )
       .unwrap();
 
@@ -3526,6 +3848,7 @@ mod tests {
         "139.0",
         "stable",
         None, // Tests now use separate proxy storage system
+        None, // No camoufox config for this test
       )
       .unwrap();
 

src-tauri/src/browser_version_service.rs

@@ -87,6 +87,10 @@ impl BrowserVersionService {
           Ok(true)
         }
       }
+      "camoufox" => {
+        // Camoufox supports all platforms and architectures according to the JS code
+        Ok(true)
+      }
       _ => Err(format!("Unknown browser: {browser}").into()),
     }
   }
@@ -101,6 +105,7 @@ impl BrowserVersionService {
       "brave",
       "chromium",
       "tor-browser",
+      "camoufox",
     ];
 
     all_browsers
@@ -237,6 +242,7 @@ impl BrowserVersionService {
       "brave" => self.fetch_brave_versions(true).await?,
       "chromium" => self.fetch_chromium_versions(true).await?,
       "tor-browser" => self.fetch_tor_versions(true).await?,
+      "camoufox" => self.fetch_camoufox_versions(true).await?,
       _ => return Err(format!("Unsupported browser: {browser}").into()),
     };
 
@@ -454,6 +460,27 @@ impl BrowserVersionService {
           })
           .collect()
       }
+      "camoufox" => {
+        let releases = self.fetch_camoufox_releases_detailed(true).await?;
+        merged_versions
+          .into_iter()
+          .map(|version| {
+            if let Some(release) = releases.iter().find(|r| r.tag_name == version) {
+              BrowserVersionInfo {
+                version: release.tag_name.clone(),
+                is_prerelease: release.is_nightly,
+                date: release.published_at.clone(),
+              }
+            } else {
+              BrowserVersionInfo {
+                version: version.clone(),
+                is_prerelease: false, // Camoufox usually stable releases
+                date: "".to_string(),
+              }
+            }
+          })
+          .collect()
+      }
       _ => {
         return Err(format!("Unsupported browser: {browser}").into());
       }
@@ -727,6 +754,32 @@ impl BrowserVersionService {
           is_archive,
         })
       }
+      "camoufox" => {
+        // Camoufox downloads from GitHub releases with pattern: camoufox-{version}-{release}-{os}.{arch}.zip
+        let (os_name, arch_name) = match (&os[..], &arch[..]) {
+          ("windows", "x64") => ("win", "x86_64"),
+          ("windows", "arm64") => ("win", "arm64"),
+          ("linux", "x64") => ("lin", "x86_64"),
+          ("linux", "arm64") => ("lin", "arm64"),
+          ("macos", "x64") => ("mac", "x86_64"),
+          ("macos", "arm64") => ("mac", "arm64"),
+          _ => {
+            return Err(
+              format!("Unsupported platform/architecture for Camoufox: {os}/{arch}").into(),
+            )
+          }
+        };
+
+        // Note: We provide a placeholder URL here since Camoufox requires dynamic resolution
+        // The actual URL will be resolved in download.rs resolve_download_url
+        Ok(DownloadInfo {
+          url: format!(
+            "https://github.com/daijro/camoufox/releases/download/{version}/camoufox-{{version}}-{{release}}-{os_name}.{arch_name}.zip"
+          ),
+          filename: format!("camoufox-{version}-{os_name}.{arch_name}.zip"),
+          is_archive: true,
+        })
+      }
       _ => Err(format!("Unsupported browser: {browser}").into()),
     }
   }
@@ -889,6 +942,24 @@ impl BrowserVersionService {
       .fetch_tor_releases_with_caching(no_caching)
       .await
   }
+
+  async fn fetch_camoufox_versions(
+    &self,
+    no_caching: bool,
+  ) -> Result<Vec<String>, Box<dyn std::error::Error + Send + Sync>> {
+    let releases = self.fetch_camoufox_releases_detailed(no_caching).await?;
+    Ok(releases.into_iter().map(|r| r.tag_name).collect())
+  }
+
+  async fn fetch_camoufox_releases_detailed(
+    &self,
+    no_caching: bool,
+  ) -> Result<Vec<GithubRelease>, Box<dyn std::error::Error + Send + Sync>> {
+    self
+      .api_client
+      .fetch_camoufox_releases_with_caching(no_caching)
+      .await
+  }
 }
 
 #[cfg(test)]

src-tauri/src/camoufox.rs

@@ -0,0 +1,607 @@
+use crate::browser_runner::BrowserProfile;
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use tauri::AppHandle;
+use tauri_plugin_shell::ShellExt;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CamoufoxConfig {
+  pub os: Option<Vec<String>>,
+  pub block_images: Option<bool>,
+  pub block_webrtc: Option<bool>,
+  pub block_webgl: Option<bool>,
+  pub disable_coop: Option<bool>,
+  pub geoip: Option<serde_json::Value>, // Can be String or bool
+  pub country: Option<String>,
+  pub timezone: Option<String>,
+  pub latitude: Option<f64>,
+  pub longitude: Option<f64>,
+  pub humanize: Option<bool>,
+  pub humanize_duration: Option<f64>,
+  pub headless: Option<bool>,
+  pub locale: Option<Vec<String>>,
+  pub addons: Option<Vec<String>>,
+  pub fonts: Option<Vec<String>>,
+  pub custom_fonts_only: Option<bool>,
+  pub exclude_addons: Option<Vec<String>>,
+  pub screen_min_width: Option<u32>,
+  pub screen_max_width: Option<u32>,
+  pub screen_min_height: Option<u32>,
+  pub screen_max_height: Option<u32>,
+  pub window_width: Option<u32>,
+  pub window_height: Option<u32>,
+  pub ff_version: Option<u32>,
+  pub main_world_eval: Option<bool>,
+  pub webgl_vendor: Option<String>,
+  pub webgl_renderer: Option<String>,
+  pub proxy: Option<String>,
+  pub enable_cache: Option<bool>,
+  pub virtual_display: Option<String>,
+  pub debug: Option<bool>,
+  pub additional_args: Option<Vec<String>>,
+  pub env_vars: Option<HashMap<String, String>>,
+  pub firefox_prefs: Option<HashMap<String, serde_json::Value>>,
+}
+
+impl Default for CamoufoxConfig {
+  fn default() -> Self {
+    Self {
+      os: None,
+      block_images: None,
+      block_webrtc: None,
+      block_webgl: None,
+      disable_coop: None,
+      geoip: None,
+      country: None,
+      timezone: None,
+      latitude: None,
+      longitude: None,
+      humanize: None,
+      humanize_duration: None,
+      headless: None,
+      locale: None,
+      addons: None,
+      fonts: None,
+      custom_fonts_only: None,
+      exclude_addons: None,
+      screen_min_width: None,
+      screen_max_width: None,
+      screen_min_height: None,
+      screen_max_height: None,
+      window_width: None,
+      window_height: None,
+      ff_version: None,
+      main_world_eval: None,
+      webgl_vendor: None,
+      webgl_renderer: None,
+      proxy: None,
+      enable_cache: Some(true), // Cache enabled by default
+      virtual_display: None,
+      debug: None,
+      additional_args: None,
+      env_vars: None,
+      firefox_prefs: None,
+    }
+  }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[allow(non_snake_case)]
+pub struct CamoufoxLaunchResult {
+  pub id: String,
+  pub pid: Option<u32>,
+  #[serde(alias = "executable_path")]
+  pub executablePath: String,
+  #[serde(alias = "profile_path")]
+  pub profilePath: String,
+  pub url: Option<String>,
+}
+
+pub struct CamoufoxLauncher {
+  app_handle: AppHandle,
+}
+
+impl CamoufoxLauncher {
+  pub fn new(app_handle: AppHandle) -> Self {
+    Self { app_handle }
+  }
+
+  /// Launch Camoufox browser with the specified configuration
+  pub async fn launch_camoufox(
+    &self,
+    executable_path: &str,
+    profile_path: &str,
+    config: &CamoufoxConfig,
+    url: Option<&str>,
+  ) -> Result<CamoufoxLaunchResult, Box<dyn std::error::Error + Send + Sync>> {
+    println!("Launching Camoufox with executable: {executable_path}");
+    println!("Profile path: {profile_path}");
+    println!("URL: {url:?}");
+
+    // Use Tauri's sidecar to call nodecar
+    let mut sidecar = self
+      .app_handle
+      .shell()
+      .sidecar("nodecar")
+      .map_err(|e| format!("Failed to create nodecar sidecar: {e}"))?
+      .arg("camoufox")
+      .arg("launch")
+      .arg("--executable-path")
+      .arg(executable_path)
+      .arg("--profile-path")
+      .arg(profile_path);
+
+    // Add URL if provided
+    if let Some(url) = url {
+      sidecar = sidecar.arg("--url").arg(url);
+    }
+
+    // Add configuration options
+    if let Some(os_list) = &config.os {
+      sidecar = sidecar.arg("--os").arg(os_list.join(","));
+    }
+
+    if config.block_images.unwrap_or(false) {
+      sidecar = sidecar.arg("--block-images");
+    }
+
+    if config.block_webrtc.unwrap_or(false) {
+      sidecar = sidecar.arg("--block-webrtc");
+    }
+
+    if config.block_webgl.unwrap_or(false) {
+      sidecar = sidecar.arg("--block-webgl");
+    }
+
+    if config.disable_coop.unwrap_or(false) {
+      sidecar = sidecar.arg("--disable-coop");
+    }
+
+    if let Some(geoip) = &config.geoip {
+      match geoip {
+        serde_json::Value::String(s) => {
+          sidecar = sidecar.arg("--geoip").arg(s);
+        }
+        serde_json::Value::Bool(b) => {
+          sidecar = sidecar
+            .arg("--geoip")
+            .arg(if *b { "auto" } else { "false" });
+        }
+        _ => {
+          sidecar = sidecar.arg("--geoip").arg(geoip.to_string());
+        }
+      }
+    }
+
+    if let Some(country) = &config.country {
+      sidecar = sidecar.arg("--country").arg(country);
+    }
+
+    if let Some(timezone) = &config.timezone {
+      sidecar = sidecar.arg("--timezone").arg(timezone);
+    }
+
+    if let Some(latitude) = config.latitude {
+      if let Some(longitude) = config.longitude {
+        sidecar = sidecar.arg("--latitude").arg(latitude.to_string());
+        sidecar = sidecar.arg("--longitude").arg(longitude.to_string());
+      }
+    }
+
+    if let Some(humanize) = config.humanize {
+      if humanize {
+        if let Some(duration) = config.humanize_duration {
+          sidecar = sidecar.arg("--humanize").arg(duration.to_string());
+        } else {
+          sidecar = sidecar.arg("--humanize");
+        }
+      }
+    }
+
+    if config.headless.unwrap_or(false) {
+      sidecar = sidecar.arg("--headless");
+    }
+
+    if let Some(locale_list) = &config.locale {
+      sidecar = sidecar.arg("--locale").arg(locale_list.join(","));
+    }
+
+    if let Some(addons_list) = &config.addons {
+      sidecar = sidecar.arg("--addons").arg(addons_list.join(","));
+    }
+
+    if let Some(fonts_list) = &config.fonts {
+      sidecar = sidecar.arg("--fonts").arg(fonts_list.join(","));
+    }
+
+    if config.custom_fonts_only.unwrap_or(false) {
+      sidecar = sidecar.arg("--custom-fonts-only");
+    }
+
+    if let Some(exclude_addons_list) = &config.exclude_addons {
+      sidecar = sidecar
+        .arg("--exclude-addons")
+        .arg(exclude_addons_list.join(","));
+    }
+
+    // Screen size configuration
+    if let Some(width) = config.screen_min_width {
+      sidecar = sidecar.arg("--screen-min-width").arg(width.to_string());
+    }
+
+    if let Some(width) = config.screen_max_width {
+      sidecar = sidecar.arg("--screen-max-width").arg(width.to_string());
+    }
+
+    if let Some(height) = config.screen_min_height {
+      sidecar = sidecar.arg("--screen-min-height").arg(height.to_string());
+    }
+
+    if let Some(height) = config.screen_max_height {
+      sidecar = sidecar.arg("--screen-max-height").arg(height.to_string());
+    }
+
+    if let Some(width) = config.window_width {
+      sidecar = sidecar.arg("--window-width").arg(width.to_string());
+    }
+
+    if let Some(height) = config.window_height {
+      sidecar = sidecar.arg("--window-height").arg(height.to_string());
+    }
+
+    // Advanced options
+    if let Some(ff_version) = config.ff_version {
+      sidecar = sidecar.arg("--ff-version").arg(ff_version.to_string());
+    }
+
+    if config.main_world_eval.unwrap_or(false) {
+      sidecar = sidecar.arg("--main-world-eval");
+    }
+
+    if let Some(vendor) = &config.webgl_vendor {
+      if let Some(renderer) = &config.webgl_renderer {
+        sidecar = sidecar.arg("--webgl-vendor").arg(vendor);
+        sidecar = sidecar.arg("--webgl-renderer").arg(renderer);
+      }
+    }
+
+    if let Some(proxy) = &config.proxy {
+      sidecar = sidecar.arg("--proxy").arg(proxy);
+    }
+
+    // Cache is enabled by default, only add flag if disabled
+    if !config.enable_cache.unwrap_or(true) {
+      sidecar = sidecar.arg("--disable-cache");
+    }
+
+    if let Some(virtual_display) = &config.virtual_display {
+      sidecar = sidecar.arg("--virtual-display").arg(virtual_display);
+    }
+
+    if config.debug.unwrap_or(false) {
+      sidecar = sidecar.arg("--debug");
+    }
+
+    if let Some(args) = &config.additional_args {
+      sidecar = sidecar.arg("--args").arg(args.join(","));
+    }
+
+    if let Some(env_vars) = &config.env_vars {
+      let env_json = serde_json::to_string(env_vars)
+        .map_err(|e| format!("Failed to serialize environment variables: {e}"))?;
+      sidecar = sidecar.arg("--env").arg(env_json);
+    }
+
+    if let Some(firefox_prefs) = &config.firefox_prefs {
+      let prefs_json = serde_json::to_string(firefox_prefs)
+        .map_err(|e| format!("Failed to serialize Firefox preferences: {e}"))?;
+      sidecar = sidecar.arg("--firefox-prefs").arg(prefs_json);
+    }
+
+    // Execute the command
+    println!("Executing nodecar command...");
+    let output = sidecar
+      .output()
+      .await
+      .map_err(|e| format!("Failed to execute nodecar command: {e}"))?;
+
+    // Check the command status first
+    if !output.status.success() {
+      let error_msg = String::from_utf8_lossy(&output.stderr);
+      let stdout_msg = String::from_utf8_lossy(&output.stdout);
+      return Err(
+        format!(
+          "Failed to launch Camoufox: Command failed with status {:?}\nstderr: {}\nstdout: {}",
+          output.status, error_msg, stdout_msg
+        )
+        .into(),
+      );
+    }
+
+    // Parse the JSON response
+    let stdout = String::from_utf8_lossy(&output.stdout);
+    println!("Nodecar stdout: {stdout}");
+
+    // Try to parse the JSON response
+    let result: CamoufoxLaunchResult = serde_json::from_str(&stdout)
+      .map_err(|e| format!("Failed to parse nodecar response as JSON: {e}\nResponse: {stdout}"))?;
+
+    println!("Successfully launched Camoufox with ID: {}", result.id);
+
+    Ok(result)
+  }
+
+  /// Stop a Camoufox process by ID
+  pub async fn stop_camoufox(
+    &self,
+    id: &str,
+  ) -> Result<bool, Box<dyn std::error::Error + Send + Sync>> {
+    println!("Stopping Camoufox process with ID: {id}");
+
+    // First, we need to find the process to get its executable and profile paths
+    let processes = self.list_camoufox_processes().await?;
+    let target_process = processes.iter().find(|p| p.id == id);
+
+    if let Some(process) = target_process {
+      println!(
+        "Found process to stop: executable={}, profile={}",
+        process.executablePath, process.profilePath
+      );
+
+      let sidecar = self
+        .app_handle
+        .shell()
+        .sidecar("nodecar")
+        .map_err(|e| format!("Failed to create nodecar sidecar: {e}"))?
+        .arg("camoufox")
+        .arg("stop")
+        .arg("--executable-path")
+        .arg(&process.executablePath)
+        .arg("--profile-path")
+        .arg(&process.profilePath)
+        .arg("--id")
+        .arg(id);
+
+      let output = sidecar
+        .output()
+        .await
+        .map_err(|e| format!("Failed to execute nodecar stop command: {e}"))?;
+
+      if !output.status.success() {
+        let error_msg = String::from_utf8_lossy(&output.stderr);
+        let stdout_msg = String::from_utf8_lossy(&output.stdout);
+        println!("Failed to stop Camoufox process - stderr: {error_msg}, stdout: {stdout_msg}");
+        return Err(format!("Failed to stop Camoufox process: {error_msg}").into());
+      }
+
+      let stdout = String::from_utf8_lossy(&output.stdout).trim().to_string();
+      println!("Stop command result: {stdout}");
+
+      // Parse the JSON response which contains a "success" field
+      let response: serde_json::Value = serde_json::from_str(&stdout)
+        .map_err(|e| format!("Failed to parse stop response as JSON: {e}\nResponse: {stdout}"))?;
+
+      let success = response
+        .get("success")
+        .and_then(|v| v.as_bool())
+        .ok_or_else(|| {
+          format!("Invalid response format - missing or invalid 'success' field: {stdout}")
+        })?;
+
+      if success {
+        println!("Successfully stopped Camoufox process: {id}");
+      } else {
+        println!("Failed to stop Camoufox process: {id} (process may not exist)");
+      }
+
+      Ok(success)
+    } else {
+      println!("Camoufox process with ID {id} not found in running processes");
+      // If we can't find the process, it might already be stopped
+      Ok(false)
+    }
+  }
+
+  /// List all Camoufox processes
+  pub async fn list_camoufox_processes(
+    &self,
+  ) -> Result<Vec<CamoufoxLaunchResult>, Box<dyn std::error::Error + Send + Sync>> {
+    println!("Listing Camoufox processes...");
+
+    // For the list command, we need to provide dummy executable-path and profile-path
+    // even though they're not used by the list action
+    let sidecar = self
+      .app_handle
+      .shell()
+      .sidecar("nodecar")
+      .map_err(|e| format!("Failed to create nodecar sidecar: {e}"))?
+      .arg("camoufox")
+      .arg("list")
+      .arg("--executable-path")
+      .arg("/dummy/path") // Dummy path since list doesn't use it
+      .arg("--profile-path")
+      .arg("/dummy/profile"); // Dummy path since list doesn't use it
+
+    let output = sidecar
+      .output()
+      .await
+      .map_err(|e| format!("Failed to execute nodecar list command: {e}"))?;
+
+    if !output.status.success() {
+      let error_msg = String::from_utf8_lossy(&output.stderr);
+      return Err(format!("Failed to list Camoufox processes: {error_msg}").into());
+    }
+
+    let stdout = String::from_utf8_lossy(&output.stdout);
+    println!("List command result: {stdout}");
+
+    // Parse the response as an array of process info
+    let processes: Vec<serde_json::Value> =
+      serde_json::from_str(&stdout).map_err(|e| format!("Failed to parse list response: {e}"))?;
+
+    // Convert to CamoufoxLaunchResult format
+    let mut results = Vec::new();
+    for process in processes {
+      // Handle both camelCase and snake_case formats from nodecar
+      let id = process.get("id").and_then(|v| v.as_str());
+
+      // Try both formats for executable path
+      let executable_path = process
+        .get("executable_path")
+        .and_then(|v| v.as_str())
+        .or_else(|| process.get("executablePath").and_then(|v| v.as_str()));
+
+      // Try both formats for profile path
+      let profile_path = process
+        .get("profile_path")
+        .and_then(|v| v.as_str())
+        .or_else(|| process.get("profilePath").and_then(|v| v.as_str()));
+
+      if let (Some(id), Some(executable_path), Some(profile_path)) =
+        (id, executable_path, profile_path)
+      {
+        let pid = process
+          .get("pid")
+          .and_then(|v| v.as_u64())
+          .map(|v| v as u32);
+
+        let url = process
+          .get("url")
+          .and_then(|v| v.as_str())
+          .map(|s| s.to_string());
+
+        results.push(CamoufoxLaunchResult {
+          id: id.to_string(),
+          pid,
+          executablePath: executable_path.to_string(),
+          profilePath: profile_path.to_string(),
+          url,
+        });
+      } else {
+        println!("Skipping malformed process entry: {process:?}");
+      }
+    }
+
+    println!("Parsed {} valid Camoufox processes", results.len());
+    Ok(results)
+  }
+
+  /// Find Camoufox process by profile path (for integration with browser_runner)
+  pub async fn find_camoufox_by_profile(
+    &self,
+    profile_path: &str,
+  ) -> Result<Option<CamoufoxLaunchResult>, Box<dyn std::error::Error + Send + Sync>> {
+    println!("Looking for Camoufox process with profile path: {profile_path}");
+
+    let processes = self.list_camoufox_processes().await?;
+    println!("Found {} running Camoufox processes", processes.len());
+
+    for process in &processes {
+      println!(
+        "Checking process with profile path: {}",
+        process.profilePath
+      );
+    }
+
+    // Convert both paths to canonical form for comparison
+    let target_path = std::path::Path::new(profile_path)
+      .canonicalize()
+      .unwrap_or_else(|_| std::path::Path::new(profile_path).to_path_buf());
+
+    for process in &processes {
+      println!(
+        "Comparing target path: {} with process path: {}",
+        target_path.display(),
+        process.profilePath
+      );
+
+      // Try multiple comparison methods
+      let process_path = std::path::Path::new(&process.profilePath)
+        .canonicalize()
+        .unwrap_or_else(|_| std::path::Path::new(&process.profilePath).to_path_buf());
+
+      // Method 1: Canonical path comparison
+      if process_path == target_path {
+        println!("Found match using canonical path comparison");
+        return Ok(Some(process.clone()));
+      }
+
+      // Method 2: Direct string comparison
+      if process.profilePath == profile_path {
+        println!("Found match using direct string comparison");
+        return Ok(Some(process.clone()));
+      }
+
+      // Method 3: Compare as strings after canonicalization
+      if process_path.to_string_lossy() == target_path.to_string_lossy() {
+        println!("Found match using canonical string comparison");
+        return Ok(Some(process.clone()));
+      }
+
+      // Method 4: Compare file names if full paths don't match
+      if let (Some(process_file), Some(target_file)) =
+        (process_path.file_name(), target_path.file_name())
+      {
+        if process_file == target_file {
+          // If the parent directories also match, it's likely the same profile
+          if let (Some(process_parent), Some(target_parent)) =
+            (process_path.parent(), target_path.parent())
+          {
+            if process_parent == target_parent {
+              println!("Found match using parent directory and file name comparison");
+              return Ok(Some(process.clone()));
+            }
+          }
+        }
+      }
+
+      // Method 5: Check if either path contains the other (for symlinks or different representations)
+      let process_path_str = process_path.to_string_lossy();
+      let target_path_str = target_path.to_string_lossy();
+
+      if process_path_str.contains(target_path_str.as_ref())
+        || target_path_str.contains(process_path_str.as_ref())
+      {
+        println!("Found match using path containment check");
+        return Ok(Some(process.clone()));
+      }
+    }
+
+    println!("No matching Camoufox process found for profile path: {profile_path}");
+    Ok(None)
+  }
+}
+
+pub async fn launch_camoufox_profile(
+  app_handle: AppHandle,
+  profile: BrowserProfile,
+  config: CamoufoxConfig,
+  url: Option<String>,
+) -> Result<CamoufoxLaunchResult, String> {
+  let launcher = CamoufoxLauncher::new(app_handle);
+
+  // Get the executable path for Camoufox
+  let browser_runner = crate::browser_runner::BrowserRunner::new();
+  let binaries_dir = browser_runner.get_binaries_dir();
+  let browser_dir = binaries_dir.join("camoufox").join(&profile.version);
+
+  // Get executable path
+  let browser = crate::browser::create_browser(crate::browser::BrowserType::Camoufox);
+  let executable_path = browser
+    .get_executable_path(&browser_dir)
+    .map_err(|e| format!("Failed to get Camoufox executable path: {e}"))?;
+
+  // Get profile path
+  let profiles_dir = browser_runner.get_profiles_dir();
+  let profile_path = profile.get_profile_data_path(&profiles_dir);
+
+  launcher
+    .launch_camoufox(
+      &executable_path.to_string_lossy(),
+      &profile_path.to_string_lossy(),
+      &config,
+      url.as_deref(),
+    )
+    .await
+    .map_err(|e| format!("Failed to launch Camoufox: {e}"))
+}

src-tauri/src/download.rs

@@ -147,6 +147,30 @@ impl Downloader {
 
         Ok(asset_url)
       }
+      BrowserType::Camoufox => {
+        // For Camoufox, verify the asset exists and find the correct download URL
+        let releases = self
+          .api_client
+          .fetch_camoufox_releases_with_caching(true)
+          .await?;
+
+        let release = releases
+          .iter()
+          .find(|r| r.tag_name == version)
+          .ok_or(format!("Camoufox version {version} not found"))?;
+
+        // Get platform and architecture info
+        let (os, arch) = Self::get_platform_info();
+
+        // Find the appropriate asset
+        let asset_url = self
+          .find_camoufox_asset(&release.assets, &os, &arch)
+          .ok_or(format!(
+            "No compatible asset found for Camoufox version {version} on {os}/{arch}"
+          ))?;
+
+        Ok(asset_url)
+      }
       _ => {
         // For other browsers, use the provided URL
         Ok(download_info.url.clone())
@@ -321,6 +345,35 @@ impl Downloader {
     asset.map(|a| a.browser_download_url.clone())
   }
 
+  /// Find the appropriate Camoufox asset for the current platform and architecture
+  fn find_camoufox_asset(
+    &self,
+    assets: &[crate::browser::GithubAsset],
+    os: &str,
+    arch: &str,
+  ) -> Option<String> {
+    // Camoufox asset naming pattern: camoufox-{version}-{release}-{os}.{arch}.zip
+    let (os_name, arch_name) = match (os, arch) {
+      ("windows", "x64") => ("win", "x86_64"),
+      ("windows", "arm64") => ("win", "arm64"),
+      ("linux", "x64") => ("lin", "x86_64"),
+      ("linux", "arm64") => ("lin", "arm64"),
+      ("macos", "x64") => ("mac", "x86_64"),
+      ("macos", "arm64") => ("mac", "arm64"),
+      _ => return None,
+    };
+
+    // Look for assets matching the pattern
+    let asset = assets.iter().find(|asset| {
+      let name = asset.name.to_lowercase();
+      name.starts_with("camoufox-")
+        && name.contains(&format!("-{os_name}.{arch_name}.zip"))
+        && name.ends_with(".zip")
+    });
+
+    asset.map(|a| a.browser_download_url.clone())
+  }
+
   pub async fn download_browser<R: tauri::Runtime>(
     &self,
     app_handle: &tauri::AppHandle<R>,

src-tauri/src/geoip_downloader.rs

@@ -0,0 +1,171 @@
+use crate::browser::GithubRelease;
+use directories::BaseDirs;
+use reqwest::Client;
+use serde::{Deserialize, Serialize};
+use std::path::PathBuf;
+use tauri::Emitter;
+use tokio::fs;
+use tokio::io::AsyncWriteExt;
+
+const MMDB_REPO: &str = "P3TERX/GeoLite.mmdb";
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GeoIPDownloadProgress {
+  pub stage: String, // "downloading", "extracting", "completed"
+  pub percentage: f64,
+  pub message: String,
+}
+
+pub struct GeoIPDownloader {
+  client: Client,
+}
+
+impl GeoIPDownloader {
+  pub fn new() -> Self {
+    Self {
+      client: Client::new(),
+    }
+  }
+
+  fn get_cache_dir() -> Result<PathBuf, Box<dyn std::error::Error + Send + Sync>> {
+    let base_dirs = BaseDirs::new().ok_or("Failed to determine base directories")?;
+
+    #[cfg(target_os = "windows")]
+    let cache_dir = base_dirs
+      .data_local_dir()
+      .join("camoufox")
+      .join("camoufox")
+      .join("Cache");
+
+    #[cfg(target_os = "macos")]
+    let cache_dir = base_dirs.cache_dir().join("camoufox");
+
+    #[cfg(target_os = "linux")]
+    let cache_dir = base_dirs.cache_dir().join("camoufox");
+
+    #[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "linux")))]
+    let cache_dir = base_dirs.cache_dir().join("camoufox");
+
+    Ok(cache_dir)
+  }
+
+  fn get_mmdb_file_path() -> Result<PathBuf, Box<dyn std::error::Error + Send + Sync>> {
+    Ok(Self::get_cache_dir()?.join("GeoLite2-City.mmdb"))
+  }
+
+  pub fn is_geoip_database_available() -> bool {
+    if let Ok(mmdb_path) = Self::get_mmdb_file_path() {
+      mmdb_path.exists()
+    } else {
+      false
+    }
+  }
+
+  fn find_city_mmdb_asset(&self, release: &GithubRelease) -> Option<String> {
+    for asset in &release.assets {
+      if asset.name.ends_with("-City.mmdb") {
+        return Some(asset.browser_download_url.clone());
+      }
+    }
+    None
+  }
+
+  pub async fn download_geoip_database(
+    &self,
+    app_handle: &tauri::AppHandle,
+  ) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
+    // Emit initial progress
+    let _ = app_handle.emit(
+      "geoip-download-progress",
+      GeoIPDownloadProgress {
+        stage: "downloading".to_string(),
+        percentage: 0.0,
+        message: "Starting GeoIP database download".to_string(),
+      },
+    );
+
+    // Fetch latest release from GitHub
+    let releases = self.fetch_geoip_releases().await?;
+    let latest_release = releases.first().ok_or("No GeoIP database releases found")?;
+
+    let download_url = self
+      .find_city_mmdb_asset(latest_release)
+      .ok_or("No compatible GeoIP database asset found")?;
+
+    // Create cache directory
+    let cache_dir = Self::get_cache_dir()?;
+    fs::create_dir_all(&cache_dir).await?;
+
+    let mmdb_path = Self::get_mmdb_file_path()?;
+
+    // Download the file
+    let response = self.client.get(&download_url).send().await?;
+
+    if !response.status().is_success() {
+      return Err(
+        format!(
+          "Failed to download GeoIP database: HTTP {}",
+          response.status()
+        )
+        .into(),
+      );
+    }
+
+    let total_size = response.content_length().unwrap_or(0);
+    let mut downloaded = 0;
+    let mut file = fs::File::create(&mmdb_path).await?;
+    let mut stream = response.bytes_stream();
+
+    use futures_util::StreamExt;
+    while let Some(chunk) = stream.next().await {
+      let chunk = chunk?;
+      downloaded += chunk.len() as u64;
+      file.write_all(&chunk).await?;
+
+      if total_size > 0 {
+        let percentage = (downloaded as f64 / total_size as f64) * 100.0;
+        let _ = app_handle.emit(
+          "geoip-download-progress",
+          GeoIPDownloadProgress {
+            stage: "downloading".to_string(),
+            percentage,
+            message: format!("Downloaded {downloaded} / {total_size} bytes"),
+          },
+        );
+      }
+    }
+
+    file.flush().await?;
+
+    // Emit completion
+    let _ = app_handle.emit(
+      "geoip-download-progress",
+      GeoIPDownloadProgress {
+        stage: "completed".to_string(),
+        percentage: 100.0,
+        message: "GeoIP database download completed".to_string(),
+      },
+    );
+
+    Ok(())
+  }
+
+  async fn fetch_geoip_releases(
+    &self,
+  ) -> Result<Vec<GithubRelease>, Box<dyn std::error::Error + Send + Sync>> {
+    let url = format!("https://api.github.com/repos/{MMDB_REPO}/releases");
+    let response = self
+      .client
+      .get(&url)
+      .header("User-Agent", "Mozilla/5.0 (compatible; donutbrowser)")
+      .send()
+      .await?;
+
+    if !response.status().is_success() {
+      return Err(format!("Failed to fetch releases: HTTP {}", response.status()).into());
+    }
+
+    let releases: Vec<GithubRelease> = response.json().await?;
+    Ok(releases)
+  }
+}

src-tauri/src/lib.rs

@@ -13,13 +13,17 @@ mod auto_updater;
 mod browser;
 mod browser_runner;
 mod browser_version_service;
+mod camoufox;
 mod default_browser;
 mod download;
 mod downloaded_browsers;
 mod extraction;
+mod geoip_downloader;
+
 mod profile_importer;
 mod proxy_manager;
 mod settings_manager;
+mod system_utils;
 mod theme_detector;
 mod version_updater;
 
@@ -60,6 +64,8 @@ use profile_importer::{detect_existing_profiles, import_browser_profile};
 
 use theme_detector::get_system_theme;
 
+use system_utils::{get_system_locale, get_system_timezone};
+
 // Trait to extend WebviewWindow with transparent titlebar functionality
 pub trait WindowExt {
   #[cfg(target_os = "macos")]
@@ -207,6 +213,17 @@ async fn delete_stored_proxy(proxy_id: String) -> Result<(), String> {
     .map_err(|e| format!("Failed to delete stored proxy: {e}"))
 }
 
+#[tauri::command]
+async fn update_camoufox_config(
+  profile_name: String,
+  config: crate::camoufox::CamoufoxConfig,
+) -> Result<(), String> {
+  let browser_runner = browser_runner::BrowserRunner::new();
+  browser_runner
+    .update_camoufox_config(&profile_name, config)
+    .map_err(|e| format!("Failed to update Camoufox config: {e}"))
+}
+
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
   let args: Vec<String> = env::args().collect();
@@ -433,6 +450,9 @@ pub fn run() {
       get_stored_proxies,
       update_stored_proxy,
       delete_stored_proxy,
+      update_camoufox_config,
+      get_system_locale,
+      get_system_timezone,
     ])
     .run(tauri::generate_context!())
     .expect("error while running tauri application");

src-tauri/src/profile_importer.rs

@@ -689,6 +689,7 @@ impl ProfileImporter {
       process_id: None,
       last_launch: None,
       release_type: "stable".to_string(),
+      camoufox_config: None,
     };
 
     // Save the profile metadata

src-tauri/src/proxy_manager.rs

@@ -173,11 +173,6 @@ impl ProxyManager {
   }
 
   // Get a stored proxy by ID
-  #[allow(dead_code)]
-  pub fn get_stored_proxy(&self, proxy_id: &str) -> Option<StoredProxy> {
-    let stored_proxies = self.stored_proxies.lock().unwrap();
-    stored_proxies.get(proxy_id).cloned()
-  }
 
   // Update a stored proxy
   pub fn update_stored_proxy(
@@ -418,6 +413,7 @@ impl ProxyManager {
   }
 
   // Get proxy settings for a browser process ID
+  #[allow(dead_code)]
   pub fn get_proxy_settings(&self, browser_pid: u32) -> Option<ProxySettings> {
     let proxies = self.active_proxies.lock().unwrap();
     proxies.get(&browser_pid).map(|proxy| ProxySettings {

src-tauri/src/system_utils.rs

@@ -0,0 +1,331 @@
+use serde::{Deserialize, Serialize};
+use std::process::Command;
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct SystemLocale {
+  pub locale: String,
+  pub language: String,
+  pub country: String,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct SystemTimezone {
+  pub timezone: String,
+  pub offset: String,
+}
+
+pub struct SystemUtils;
+
+impl SystemUtils {
+  pub fn new() -> Self {
+    Self
+  }
+
+  /// Detect the system's locale settings
+  pub fn detect_system_locale(&self) -> SystemLocale {
+    #[cfg(target_os = "macos")]
+    return macos::detect_system_locale();
+
+    #[cfg(target_os = "linux")]
+    return linux::detect_system_locale();
+
+    #[cfg(target_os = "windows")]
+    return windows::detect_system_locale();
+
+    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
+    return SystemLocale {
+      locale: "en-US".to_string(),
+      language: "en".to_string(),
+      country: "US".to_string(),
+    };
+  }
+
+  /// Detect the system's timezone settings
+  pub fn detect_system_timezone(&self) -> SystemTimezone {
+    #[cfg(target_os = "macos")]
+    return macos::detect_system_timezone();
+
+    #[cfg(target_os = "linux")]
+    return linux::detect_system_timezone();
+
+    #[cfg(target_os = "windows")]
+    return windows::detect_system_timezone();
+
+    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
+    return SystemTimezone {
+      timezone: "UTC".to_string(),
+      offset: "+00:00".to_string(),
+    };
+  }
+}
+
+#[cfg(target_os = "macos")]
+mod macos {
+  use super::*;
+
+  pub fn detect_system_locale() -> SystemLocale {
+    // Try to get the system locale from macOS
+    if let Ok(output) = Command::new("defaults")
+      .args(["read", "-g", "AppleLocale"])
+      .output()
+    {
+      if output.status.success() {
+        let locale_str = String::from_utf8_lossy(&output.stdout).trim().to_string();
+        return parse_locale(&locale_str);
+      }
+    }
+
+    // Fallback to environment variables
+    detect_locale_from_env()
+  }
+
+  pub fn detect_system_timezone() -> SystemTimezone {
+    // Try to get timezone from macOS system
+    if let Ok(output) = Command::new("date").arg("+%Z").output() {
+      if output.status.success() {
+        let tz_abbr = String::from_utf8_lossy(&output.stdout).trim().to_string();
+
+        // Get the full timezone name
+        if let Ok(tz_output) = Command::new("systemsetup").args(["-gettimezone"]).output() {
+          if tz_output.status.success() {
+            let tz_full = String::from_utf8_lossy(&tz_output.stdout);
+            if let Some(tz_name) = tz_full.strip_prefix("Time Zone: ") {
+              let tz_clean = tz_name.trim().to_string();
+              if !tz_clean.is_empty() {
+                return SystemTimezone {
+                  timezone: tz_clean,
+                  offset: tz_abbr,
+                };
+              }
+            }
+          }
+        }
+      }
+    }
+
+    // Fallback to reading /etc/localtime link
+    detect_timezone_from_files()
+  }
+}
+
+#[cfg(target_os = "linux")]
+mod linux {
+  use super::*;
+
+  pub fn detect_system_locale() -> SystemLocale {
+    // Try to get locale from locale command
+    if let Ok(output) = Command::new("locale").output() {
+      if output.status.success() {
+        let output_str = String::from_utf8_lossy(&output.stdout);
+        for line in output_str.lines() {
+          if line.starts_with("LANG=") {
+            let locale_value = line.strip_prefix("LANG=").unwrap_or("");
+            let locale_clean = locale_value.trim_matches('"');
+            return parse_locale(locale_clean);
+          }
+        }
+      }
+    }
+
+    // Fallback to environment variables
+    detect_locale_from_env()
+  }
+
+  pub fn detect_system_timezone() -> SystemTimezone {
+    // Try to read /etc/timezone first (Debian/Ubuntu)
+    if let Ok(tz_content) = std::fs::read_to_string("/etc/timezone") {
+      let tz_name = tz_content.trim().to_string();
+      if !tz_name.is_empty() {
+        return SystemTimezone {
+          timezone: tz_name,
+          offset: get_timezone_offset(),
+        };
+      }
+    }
+
+    // Try timedatectl (systemd systems)
+    if let Ok(output) = Command::new("timedatectl")
+      .args(["show", "--property=Timezone", "--value"])
+      .output()
+    {
+      if output.status.success() {
+        let tz_name = String::from_utf8_lossy(&output.stdout).trim().to_string();
+        if !tz_name.is_empty() {
+          return SystemTimezone {
+            timezone: tz_name,
+            offset: get_timezone_offset(),
+          };
+        }
+      }
+    }
+
+    // Fallback to reading /etc/localtime symlink
+    detect_timezone_from_files()
+  }
+
+  fn get_timezone_offset() -> String {
+    if let Ok(output) = Command::new("date").arg("+%z").output() {
+      if output.status.success() {
+        return String::from_utf8_lossy(&output.stdout).trim().to_string();
+      }
+    }
+    "+00:00".to_string()
+  }
+}
+
+#[cfg(target_os = "windows")]
+mod windows {
+  use super::*;
+
+  pub fn detect_system_locale() -> SystemLocale {
+    // Try to get locale from Windows registry/powershell
+    if let Ok(output) = Command::new("powershell")
+      .args([
+        "-Command",
+        "Get-Culture | Select-Object -ExpandProperty Name",
+      ])
+      .output()
+    {
+      if output.status.success() {
+        let locale_str = String::from_utf8_lossy(&output.stdout).trim().to_string();
+        return parse_locale(&locale_str);
+      }
+    }
+
+    // Fallback to environment variables
+    detect_locale_from_env()
+  }
+
+  pub fn detect_system_timezone() -> SystemTimezone {
+    // Try to get timezone from Windows
+    if let Ok(output) = Command::new("powershell")
+      .args([
+        "-Command",
+        "Get-TimeZone | Select-Object -ExpandProperty Id",
+      ])
+      .output()
+    {
+      if output.status.success() {
+        let tz_id = String::from_utf8_lossy(&output.stdout).trim().to_string();
+        if !tz_id.is_empty() {
+          return SystemTimezone {
+            timezone: tz_id,
+            offset: get_windows_timezone_offset(),
+          };
+        }
+      }
+    }
+
+    // Fallback
+    SystemTimezone {
+      timezone: "UTC".to_string(),
+      offset: "+00:00".to_string(),
+    }
+  }
+
+  fn get_windows_timezone_offset() -> String {
+    if let Ok(output) = Command::new("powershell")
+      .args([
+        "-Command",
+        "Get-TimeZone | Select-Object -ExpandProperty BaseUtcOffset",
+      ])
+      .output()
+    {
+      if output.status.success() {
+        let offset_str = String::from_utf8_lossy(&output.stdout).trim().to_string();
+        // Convert Windows offset format to standard format
+        if let Some(colon_pos) = offset_str.find(':') {
+          let hours = &offset_str[..colon_pos];
+          let minutes = &offset_str[colon_pos + 1..];
+          if let (Ok(h), Ok(m)) = (hours.parse::<i32>(), minutes.parse::<i32>()) {
+            return format!("{:+03d}:{:02d}", h, m);
+          }
+        }
+      }
+    }
+    "+00:00".to_string()
+  }
+}
+
+// Helper functions used across platforms
+fn parse_locale(locale_str: &str) -> SystemLocale {
+  // Remove encoding suffix if present (e.g., "en_US.UTF-8" -> "en_US")
+  let locale_base = locale_str.split('.').next().unwrap_or(locale_str);
+
+  // Split language and country (e.g., "en_US" -> ["en", "US"])
+  let parts: Vec<&str> = locale_base.split(&['_', '-']).collect();
+
+  let language = parts.first().unwrap_or(&"en").to_string();
+  let country = parts.get(1).unwrap_or(&"US").to_string();
+
+  // Convert to standard format (e.g., "en-US")
+  let standard_locale = if parts.len() >= 2 {
+    format!("{}-{}", language, country.to_uppercase())
+  } else {
+    format!("{language}-US")
+  };
+
+  SystemLocale {
+    locale: standard_locale,
+    language,
+    country: country.to_uppercase(),
+  }
+}
+
+fn detect_locale_from_env() -> SystemLocale {
+  // Check environment variables in order of preference
+  let env_vars = ["LANG", "LC_ALL", "LC_CTYPE", "LANGUAGE"];
+
+  for var in &env_vars {
+    if let Ok(value) = std::env::var(var) {
+      if !value.is_empty() {
+        return parse_locale(&value);
+      }
+    }
+  }
+
+  // Default fallback
+  SystemLocale {
+    locale: "en-US".to_string(),
+    language: "en".to_string(),
+    country: "US".to_string(),
+  }
+}
+
+fn detect_timezone_from_files() -> SystemTimezone {
+  // Try to read timezone from /etc/localtime symlink
+  if let Ok(link_target) = std::fs::read_link("/etc/localtime") {
+    if let Some(tz_path) = link_target.to_str() {
+      // Extract timezone name from path like /usr/share/zoneinfo/America/New_York
+      if let Some(zoneinfo_pos) = tz_path.find("zoneinfo/") {
+        let tz_name = &tz_path[zoneinfo_pos + 9..];
+        if !tz_name.is_empty() {
+          return SystemTimezone {
+            timezone: tz_name.to_string(),
+            offset: "+00:00".to_string(), // Could be improved with actual offset calculation
+          };
+        }
+      }
+    }
+  }
+
+  // Default fallback
+  SystemTimezone {
+    timezone: "UTC".to_string(),
+    offset: "+00:00".to_string(),
+  }
+}
+
+/// Tauri command to get system locale
+#[tauri::command]
+pub async fn get_system_locale() -> Result<SystemLocale, String> {
+  let utils = SystemUtils::new();
+  Ok(utils.detect_system_locale())
+}
+
+/// Tauri command to get system timezone
+#[tauri::command]
+pub async fn get_system_timezone() -> Result<SystemTimezone, String> {
+  let utils = SystemUtils::new();
+  Ok(utils.detect_system_timezone())
+}