VPN SERVICE DEVELOPMENT

This is the final technical task, please send the cost of your work immediately.
**Design:** Copy "design" (html, css, js?) from [[login to view URL]]([login to view URL]).
When copying, change the images and color.
**Technologies:** Frontend and backend on PHP 8.
+, MySQL.
(nginx, php-fpm, mariadb, debian) **Requirements:** - The simpler, the better.
- Links without.
hp.
- Website in English.
- Each form must check user input by pattern.
- All PHP scripts must check input and be safe.
- Parsing information from servers via PHP.
- A ready-made script for deploying a VPN server will be an advantage.
- Time limit.
1 month.
- You need to parse openvpn information from servers via php.
- The site should be unloaded.
without animations, modal (in the admin panel you can), etc.
- Make sure that all forms check user input by pattern.
- All PHP scripts should check input and be safe (mysql injections, etc.).
- Parsing information from servers is done via PHP.
- A ready-made script for deploying a VPN server would be an advantage.
- You need to allow the user only TCP, UDP, PING (IPv4, IPV6), PING limit to 5 per second from each user (if impossible, then all ping from OpenVPN to 10 per second).
**Pages:** 1.
**Main page:** - Description of the VPN service, its purpose, technologies, available countries.
- Three sections at the bottom.
services, company, links, and copyright.
- In the menu above, buttons for pages available to the user.
- Display of the user's discount and the number of purchases with the amount.
(users, orders table) 2.
**Activation key purchase page:** - Key purchase options.
day, week, month, year.
(plans table) - The key is used to access the OpenVPN configuration download.
- Application download buttons and instructions.
- Payment via the Bybit wallet using their API to receive addresses and check transactions.
- Select cryptocurrency for payment.
BTC, LTC, USDT TRON20, USDT BSC20 (ability to change currencies in PHP).
- Payment is checked in kopecks.
That is, if the user chooses to pay for a month and it costs $2, then $0.
or $0.
, or $0.
is added to the payment to get a unique amount.
- Payment time.
24 hours.
- Optional email entry to save the key to the mail, sending to the mail using php if paid.
- Status update button and automatic update every 15 seconds in the background.
- Button for going to the configuration download page if paid.
- Selecting a country (server), which affects the price.
(servers table) - Accounting for discounts for logged in users.
(users table) - Selecting the number of keys to purchase.
3.
**OpenVPN configuration download page:** - Entering a key to get information about the time of purchase, activation and expiration of the key.
- Buttons for extending the key for a day, week, month, year.
- Cloudflare captcha.
- Instructions for launching and links to download applications.
4.
**Contacts page.** 5.
**Login page:** - Login by email and password (md5(md5(md5(password)))).
**Admin pages:** 1.
**Main page:** - Server status, in/out traffic ([login to view URL]).
- Number of users, active users.
(data from OpenVPN, not mysql) - Useful information from OpenVPN (all information on this page is from OpenVPN, not from the database).
2.
**Keys page (orders):** - Table with columns.
status (green/red, taken from OpenVPN - not the user online, but whether the configuration is enabled), key, email, expiration date, actions (revoke, renew).
- Sorting (by status, expiration date), pagination (100 keys per page), search by key.
3.
**Users page:** - Table with columns.
email, discount, statistics, comment, actions (set discount, ban user, edit comment).
- Add user button.
**Work process:** - User buys an activation key on the website.
- User downloads OpenVPN configuration file.
- User pastes the configuration file into the OpenVPN application on Android, iOS or Windows.
**Website interaction with the server:** - The website communicates with the server via PHP.
- PHP manages OpenVPN using the command line (or other method).
**Cron tasks:** - Stop and delete configurations from OpenVPN when they expire (every minute).
- Check payment (every minute).
- Check spent traffic ???????????? (every minute) **OpenVPN:** - The configuration should only work on one device at a time.
When a new connection is made, the VPN works on the new device.
(I think that's how it works, but I'm not sure) - Bypassing Roskomnadzor (checking access to YouTube on mobile operators).
If it doesn't work, connect Shadowsocks or another solution (need to be agreed with me).
- If without additional proxies, OpenVPN should work on UDP.
**MySQL tables:** plans(name, days, traffic_limit, speed_limit_if_traffic_expended) users(status, email, password, is admin, discount) keys(key, server, config, expire, user) orders(keys, status, email, created_time, currency, amount) servers(name, api_url, country, comment, price) **Additional information:** - The script I used [angristan/openvpn-install]([login to view URL]), tested on Tele2 (works).
**Useful links:** [login to view URL] [login to view URL] [login to view URL] / [login to view URL] [login to view URL] **Development stages:** 1.
**Backend development:** 2.
**OpenVPN Integration:** 3.
**Payment Gateway Integration:** 4.
**Frontend Development:** 5.
**Testing and Deployment:** PHP Debian OpenVPN MySQL ID do Projeto.
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