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@@ -0,0 +1,225 @@
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+package main
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+
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+import (
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+ "encoding/json"
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+ "fmt"
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+ "net/http"
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+ "strings"
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+ "time"
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+)
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+
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+const (
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+ studentName = "Аникин Илья Дмитриевич"
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+ groupNumber = "Группа 714"
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+ ipServiceURL = "https://api.ipify.org?format=json"
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+)
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+
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+type IPResponse struct {
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+ IP string `json:"ip"`
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+}
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+
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+func main() {
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+ http.HandleFunc("/", homeHandler) // Главная страница
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+ http.HandleFunc("/ok", okHandler)
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+ http.HandleFunc("/info", infoHandler)
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+ http.HandleFunc("/status", statusHandler)
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+
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+ fmt.Println("Сервер запущен на порту 8080...")
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+ if err := http.ListenAndServe(":8080", nil); err != nil {
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+ fmt.Println("Ошибка при запуске сервера:", err)
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+ }
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+}
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+
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+func homeHandler(w http.ResponseWriter, r *http.Request) {
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+ fmt.Fprintln(w, `
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+ <!DOCTYPE html>
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+ <html lang="ru">
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+ <head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Главная страница</title>
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+ <style>
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+ body { font-family: Arial, sans-serif; text-align: center; }
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+ nav { margin-top: 20px; }
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+ a {
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+ text-decoration: none;
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+ color: white;
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+ background-color: #007BFF;
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+ padding: 10px 15px;
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+ border-radius: 5px;
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+ margin: 0 5px;
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+ transition: background-color 0.3s;
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+ }
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+ a:hover {
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+ background-color: #0056b3;
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+ }
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+ </style>
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+ </head>
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+ <body>
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+ <h1>Добро пожаловать!</h1>
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+ <p>Выберите страницу:</p>
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+ <nav>
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+ <a href="/ok">OK</a>
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+ <a href="/info">Info</a>
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+ <a href="/status">Status</a>
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+ </nav>
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+ </body>
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+ </html>
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+ `)
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+}
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+
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+func okHandler(w http.ResponseWriter, r *http.Request) {
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+ w.WriteHeader(http.StatusOK)
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+ fmt.Fprintln(w, `
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+ <!DOCTYPE html>
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+ <html lang="ru">
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+ <head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Статус OK</title>
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+ <style>
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+ body { font-family: Arial, sans-serif; }
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+ nav { margin-top: 20px; }
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+ a {
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+ text-decoration: none;
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+ color: white;
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+ background-color: #007BFF;
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+ padding: 10px 15px;
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+ border-radius: 5px;
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+ margin: 0 5px;
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+ transition: background-color 0.3s;
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+ }
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+ a:hover {
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+ background-color: #0056b3;
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+ }
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+ </style>
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+ </head>
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+ <body>
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+ <h1>Статус: OK</h1>
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+ <nav>
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+ <a href="/">Главная</a>
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+ <a href="/ok">OK</a>
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+ <a href="/info">Info</a>
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+ <a href="/status">Status</a>
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+ </nav>
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+ </body>
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+ </html>
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+ `)
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+}
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+
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+func infoHandler(w http.ResponseWriter, r *http.Request) {
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+ fmt.Fprintf(w, `
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+ <!DOCTYPE html>
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+ <html lang="ru">
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+ <head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Информация о студенте</title>
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+ <style>
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+ body { font-family: Arial, sans-serif; }
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+ nav { margin-top: 20px; }
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+ a {
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+ text-decoration: none;
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+ color: white;
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+ background-color: #007BFF;
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+ padding: 10px 15px;
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+ border-radius: 5px;
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+ margin: 0 5px;
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+ transition: background-color 0.3s;
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+ }
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+ a:hover {
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+ background-color: #0056b3;
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+ }
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+ </style>
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+ </head>
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+ <body>
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+ <h1>Информация о студенте</h1>
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+ <p>Студент: %s</p>
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+ <p>Номер группы: %s</p>
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+ <nav>
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+ <a href="/">Главная</a>
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+ <a href="/ok">OK</a>
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+ <a href="/info">Info</a>
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+ <a href="/status">Status</a>
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+ </nav>
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+ </body>
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+ </html>
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+ `, studentName, groupNumber)
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+}
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+
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+func statusHandler(w http.ResponseWriter, r *http.Request) {
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+ ip, err := getExternalIP()
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+ if err != nil {
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+ http.Error(w, "Не удалось получить внешний IP-адрес", http.StatusInternalServerError)
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+ return
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+ }
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+
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+ // Скрываем 2 и 3 октеты IP-адреса
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+ ipParts := splitIP(ip)
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+ if len(ipParts) == 4 {
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+ ip = fmt.Sprintf("%s.*.*.%s", ipParts[0], ipParts[3])
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+ }
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+
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+ currentTime := time.Now().Format("2006-01-02 3:4:5 pm")
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+ fmt.Fprintf(w, `
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+ <!DOCTYPE html>
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+ <html lang="ru">
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+ <head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Статус</title>
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+ <style>
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+ body { font-family: Arial, sans-serif; }
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+ nav { margin-top: 20px; }
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+ a {
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+ text-decoration: none;
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+ color: white;
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+ background-color: #007BFF;
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+ padding: 10px 15px;
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+ border-radius: 5px;
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+ margin: 0 5px;
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+ transition: background-color 0.3s;
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+ }
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+ a:hover {
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+ background-color: #0056b3;
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+ }
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+ </style>
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+ </head>
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+ <body>
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+ <h1>Статус</h1>
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+ <p>IP-адрес: %s</p>
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+ <p>ФИО студента: %s</p>
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+ <p>Текущее время: %s</p>
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+ <nav>
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+ <a href="/">Главная</a>
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+ <a href="/ok">OK</a>
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+ <a href="/info">Info</a>
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+ <a href="/status">Status</a>
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+ </nav>
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+ </body>
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+ </html>
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+ `, ip, studentName, currentTime)
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+}
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+
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+func getExternalIP() (string, error) {
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+ resp, err := http.Get(ipServiceURL)
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+ if err != nil {
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+ return "", err
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+ }
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+ defer resp.Body.Close()
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+
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+ if resp.StatusCode != http.StatusOK {
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+ return "", fmt.Errorf("ошибка при получении IP: %s", resp.Status)
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+ }
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+
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+ var ipResponse IPResponse
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+ if err := json.NewDecoder(resp.Body).Decode(&ipResponse); err != nil {
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+ return "", err
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+ }
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+
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+ return ipResponse.IP, nil
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+}
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+
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+func splitIP(ip string) []string {
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+ return strings.Split(ip, ".")
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+}
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