refactor: update proxy configuration script for AWSProviderWithProxy to enhance clarity and support multiple Firefox paths

desktop_env/providers/aws/provider_with_proxy.py

@@ -47,19 +47,19 @@ class AWSProviderWithProxy(Provider):
         proxy_url = self._format_proxy_url(self.current_proxy)
         
         user_data_script = f"""#!/bin/bash
-# 配置系统代理
+# Configure system proxy
 echo 'export http_proxy={proxy_url}' >> /etc/environment
 echo 'export https_proxy={proxy_url}' >> /etc/environment
 echo 'export HTTP_PROXY={proxy_url}' >> /etc/environment  
 echo 'export HTTPS_PROXY={proxy_url}' >> /etc/environment
 
-# 配置apt代理
+# Configure apt proxy
 cat > /etc/apt/apt.conf.d/95proxy << EOF
 Acquire::http::Proxy "{proxy_url}";
 Acquire::https::Proxy "{proxy_url}";
 EOF
 
-# 配置chrome/chromium代理
+# Configure chrome/chromium proxy
 mkdir -p /etc/opt/chrome/policies/managed
 cat > /etc/opt/chrome/policies/managed/proxy.json << EOF
 {{
@@ -68,9 +68,20 @@ cat > /etc/opt/chrome/policies/managed/proxy.json << EOF
 }}
 EOF
 
-# 配置firefox代理
-mkdir -p /etc/firefox/policies
-cat > /etc/firefox/policies/policies.json << EOF
+# Configure chromium proxy (Ubuntu default)
+mkdir -p /etc/chromium/policies/managed
+cat > /etc/chromium/policies/managed/proxy.json << EOF
+{{
+    "ProxyMode": "fixed_servers", 
+    "ProxyServer": "{self.current_proxy.host}:{self.current_proxy.port}"
+}}
+EOF
+
+# Configure firefox proxy - support multiple possible paths
+for firefox_dir in /etc/firefox/policies /usr/lib/firefox/distribution/policies /etc/firefox-esr/policies; do
+    if [ -d "$(dirname "$firefox_dir")" ]; then
+        mkdir -p "$firefox_dir"
+        cat > "$firefox_dir/policies.json" << EOF
 {{
     "policies": {{
         "Proxy": {{
@@ -82,11 +93,14 @@ cat > /etc/firefox/policies/policies.json << EOF
     }}
 }}
 EOF
+        break
+    fi
+done
 
-# 重新加载环境变量
+# Reload environment variables
 source /etc/environment
 
-# 记录代理配置日志
+# Log proxy configuration
 echo "$(date): Configured proxy {self.current_proxy.host}:{self.current_proxy.port}" >> /var/log/proxy-setup.log
 """