Mavis Proxy

If you want to parse JSON data and display it in a TreeView in a Windows Forms application using C#, you can use the Newtonsoft.Json library for parsing JSON and the TreeView control for displaying the hierarchical structure. Below is an example demonstrating how to achieve this

Install Newtonsoft.Json

Use NuGet Package Manager Console to install the Newtonsoft.Json package:

Install-Package Newtonsoft.Json

• Create a Windows Forms Application:

  • Open Visual Studio and create a new Windows Forms Application project.

• Design the Form:

  • Drag and drop a TreeView control and a Button on the form.

• Write Code to Parse JSON and Populate TreeView:

using System;
using System.Windows.Forms;
using Newtonsoft.Json.Linq;

namespace JsonTreeViewExample
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
        }

        private void btnLoadJson_Click(object sender, EventArgs e)
        {
            // Replace with your JSON data or URL
            string jsonData = @"{
                ""name"": ""John"",
                ""age"": 30,
                ""address"": {
                    ""city"": ""New York"",
                    ""zip"": ""10001""
                },
                ""emails"": [
                    ""[email protected]"",
                    ""[email protected]""
                ]
            }";

            // Parse JSON data
            JObject jsonObject = JObject.Parse(jsonData);

            // Clear existing nodes in TreeView
            treeView.Nodes.Clear();

            // Populate TreeView
            PopulateTreeView(treeView.Nodes, jsonObject);
        }

        private void PopulateTreeView(TreeNodeCollection nodes, JToken token)
        {
            if (token is JValue)
            {
                // Display the value
                nodes.Add(token.ToString());
            }
            else if (token is JObject)
            {
                // Display object properties
                var obj = (JObject)token;
                foreach (var property in obj.Properties())
                {
                    TreeNode newNode = nodes.Add(property.Name);
                    PopulateTreeView(newNode.Nodes, property.Value);
                }
            }
            else if (token is JArray)
            {
                // Display array items
                var array = (JArray)token;
                for (int i = 0; i < array.Count; i++)
                {
                    TreeNode newNode = nodes.Add($"[{i}]");
                    PopulateTreeView(newNode.Nodes, array[i]);
                }
            }
        }
    }
}

4. • In this example, the btnLoadJson_Click event handler simulates loading JSON data. You should replace it with your method of loading JSON data (e.g., from a file, a web service, etc.).
   • The PopulateTreeView method recursively populates the TreeView with nodes representing the JSON structure.

5. Run the Application:

   • Build and run your application. Click the button to load the JSON data into the TreeView.

This example assumes a simple JSON structure. You may need to adjust the code based on the structure of your specific JSON data. The PopulateTreeView method handles objects, arrays, and values within the JSON data.

To save cookies in SQLite3 using Selenium, you'll need to follow these steps:

1. Install the required packages: Make sure you have Selenium and SQLite3 installed. You can install SQLite3 using pip:

pip install sqlite3

2. Connect to the SQLite3 database: Before saving cookies to SQLite3, you need to establish a connection to the database.

import sqlite3

# Connect to the SQLite3 database (or create it if it doesn't exist)
conn = sqlite3.connect("cookies.db")
cursor = conn.cursor()

# Create the cookies table if it doesn't exist
cursor.execute("""
CREATE TABLE IF NOT EXISTS cookies (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    name TEXT NOT NULL,
    value TEXT NOT NULL,
    domain TEXT NOT NULL,
    path TEXT NOT NULL,
    expiry TEXT NOT NULL
)
""")

# Commit the changes and close the connection
conn.commit()
conn.close()

3. Save cookies to SQLite3 using Selenium: In your Selenium code, you can save cookies to the SQLite3 database by iterating through the cookies in the browser and inserting them into the database.

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
import sqlite3

# Set the path to the ChromeDriver executable
chrome_driver_path = "path/to/chromedriver"

# Set the preference to save downloaded files with a specific name pattern
options = Options()
options.add_argument("download.default_directory='path/to/download/folder'")
options.add_argument(f"download.download_path='path/to/download/folder'")
options.add_preference("download.filename_template", "%f - %r")

# Initialize the Chrome WebDriver with the specified options
driver = webdriver.Chrome(executable_path=chrome_driver_path, options=options)

# Your Selenium code goes here

# Connect to the SQLite3 database
conn = sqlite3.connect("cookies.db")
cursor = conn.cursor()

# Get all cookies from the browser
cookies = driver.get_cookies()

# Insert cookies into the SQLite3 database
for cookie in cookies:
    cursor.execute("""
    INSERT INTO cookies (name, value, domain, path, expiry)
    VALUES (?, ?, ?, ?, ?)
    """, (cookie['name'], cookie['value'], cookie['domain'], cookie['path'], cookie['expiry']))

# Commit the changes and close the connection
conn.commit()
conn.close()

# Your code to save the cookies to SQLite3

# Close the browser
driver.quit()

Replace path/to/chromedriver, path/to/download/folder, and %f - %r with the appropriate values for your setup.

This example saves the cookies from the browser to the SQLite3 database. You can modify the code to load cookies from the database and set them in the browser as needed.

To create your own proxy server, you can use open-source software such as Privoxy or Squid. Here's a step-by-step guide using Privoxy:

Install Privoxy: Download the latest version of Privoxy from the official website (https://www.privoxy.org/download/) and install it on your computer. The installation process varies depending on your operating system.

Configure Privoxy: After installing Privoxy, open the configuration file, usually located at /etc/privoxy/config.txt on Linux or C:\Program Files\Privoxy\config\config.txt on Windows. You can also find the configuration file in the installation directory.

Edit the configuration file: Open the configuration file in a text editor and make the following changes:

Uncomment the following line by removing the # symbol at the beginning:

listen-address 0.0.0.0

Uncomment the following line and change the port number if desired (e.g., 8118):

listen-port 8118

forward-suffix .privoxy

Add the following line to forward requests to a specific destination server (replace with the desired server's address):

forward-suffix 

Save the configuration file and restart Privoxy: Close the text editor and restart Privoxy to apply the changes. On Linux, you can use the following command:

sudo /etc/init.d/privoxy restart

On Windows, locate the Privoxy service in the Windows Services list and restart it.

Test your proxy server: Open a web browser and configure it to use your new proxy server (e.g., http://localhost:8118). Test by accessing a website to ensure that the proxy server is working correctly.

Several virtual proxy servers can be created within one device. These are special dedicated servers that only "service" such traffic. Many devices can connect to them at the same time.

In Windows 8 and later editions it is recommended to setup network proxy through Group Policy. To do this, run GPMC.msc (via "Run" or enter in the "Search"), then select the section with the users, from the list of parameters select "Internet Settings". Further settings are not different from the standard ones in Windows. You can set proxy, specify the start page, enter restrictions and so on.