Make alertmail as well multilingual, implement a new more modern mailtemplate. Preserve the old as classig, as option over env

This commit is contained in:
2025-11-22 13:09:54 +01:00
parent 74dd84a5d6
commit fd76427cc5
8 changed files with 734 additions and 114 deletions

View File

@@ -20,8 +20,10 @@ import (
"bytes"
"context"
"crypto/tls"
"encoding/json"
"errors"
"fmt"
"html"
"io"
"log"
"net"
@@ -29,9 +31,11 @@ import (
"net/smtp"
"os"
"path/filepath"
"regexp"
"sort"
"strconv"
"strings"
"sync"
"time"
"github.com/gin-gonic/gin"
@@ -47,6 +51,32 @@ type SummaryResponse struct {
Jails []fail2ban.JailInfo `json:"jails"`
}
type emailDetail struct {
Label string
Value string
}
var (
httpQuotedStatusPattern = regexp.MustCompile(`"[^"]*"\s+(\d{3})\b`)
httpPlainStatusPattern = regexp.MustCompile(`\s(\d{3})\s+(?:\d+|-)`)
suspiciousLogIndicators = []string{
"select ",
"union ",
"/etc/passwd",
"/xmlrpc.php",
"/wp-admin",
"/cgi-bin",
"cmd=",
"wget",
"curl ",
"nslookup",
"content-length: 0",
"${",
}
localeCache = make(map[string]map[string]string)
localeCacheLock sync.RWMutex
)
func resolveConnector(c *gin.Context) (fail2ban.Connector, error) {
serverID := c.Query("serverId")
if serverID == "" {
@@ -960,6 +990,88 @@ func RestartFail2banHandler(c *gin.Context) {
c.JSON(http.StatusOK, gin.H{"message": "Fail2ban restarted successfully"})
}
// loadLocale loads a locale JSON file and returns a map of translations
func loadLocale(lang string) (map[string]string, error) {
localeCacheLock.RLock()
if cached, ok := localeCache[lang]; ok {
localeCacheLock.RUnlock()
return cached, nil
}
localeCacheLock.RUnlock()
// Determine locale file path
var localePath string
_, container := os.LookupEnv("CONTAINER")
if container {
localePath = fmt.Sprintf("/app/locales/%s.json", lang)
} else {
localePath = fmt.Sprintf("./internal/locales/%s.json", lang)
}
// Read locale file
data, err := os.ReadFile(localePath)
if err != nil {
// Fallback to English if locale file not found
if lang != "en" {
return loadLocale("en")
}
return nil, fmt.Errorf("failed to read locale file: %w", err)
}
var translations map[string]string
if err := json.Unmarshal(data, &translations); err != nil {
return nil, fmt.Errorf("failed to parse locale file: %w", err)
}
// Cache the translations
localeCacheLock.Lock()
localeCache[lang] = translations
localeCacheLock.Unlock()
return translations, nil
}
// getEmailTranslation gets a translation key from the locale, with fallback to English
func getEmailTranslation(lang, key string) string {
translations, err := loadLocale(lang)
if err != nil {
// Try English as fallback
if lang != "en" {
translations, err = loadLocale("en")
if err != nil {
return key // Return key if all else fails
}
} else {
return key
}
}
if translation, ok := translations[key]; ok {
return translation
}
// Fallback to English if key not found
if lang != "en" {
enTranslations, err := loadLocale("en")
if err == nil {
if enTranslation, ok := enTranslations[key]; ok {
return enTranslation
}
}
}
return key
}
// getEmailStyle returns the email style from environment variable, defaulting to "modern"
func getEmailStyle() string {
style := os.Getenv("emailStyle")
if style == "classic" {
return "classic"
}
return "modern"
}
// *******************************************************************
// * Unified Email Sending Function : *
// *******************************************************************
@@ -1060,19 +1172,29 @@ func sendSMTPMessage(client *smtp.Client, from, to string, msg []byte) error {
return nil
}
// *******************************************************************
// * sendBanAlert Function : *
// *******************************************************************
func sendBanAlert(ip, jail, hostname, failures, whois, logs, country string, settings config.AppSettings) error {
subject := fmt.Sprintf("[Fail2Ban] %s: Banned %s from %s", jail, ip, hostname)
// renderClassicEmailDetails creates paragraph-based details for classic email template
func renderClassicEmailDetails(details []emailDetail) string {
if len(details) == 0 {
return `<p>No metadata available.</p>`
}
var b strings.Builder
for _, d := range details {
b.WriteString(`<p><span class="label">` + html.EscapeString(d.Label) + `:</span> ` + html.EscapeString(d.Value) + `</p>`)
b.WriteString("\n")
}
return b.String()
}
// Improved Responsive HTML Email
body := fmt.Sprintf(`<!DOCTYPE html>
// buildClassicEmailBody creates the classic email template (original design with multilingual support)
func buildClassicEmailBody(title, intro string, details []emailDetail, whoisHTML, logsHTML, whoisTitle, logsTitle, footerText, supportEmail string) string {
detailRows := renderClassicEmailDetails(details)
year := time.Now().Year()
return fmt.Sprintf(`<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Fail2Ban Alert</title>
<title>%s</title>
<style>
body { font-family: Arial, sans-serif; background-color: #f4f4f4; margin: 0; padding: 0; }
.container { max-width: 600px; margin: 20px auto; background: #ffffff; padding: 20px; border-radius: 8px; box-shadow: 0px 2px 4px rgba(0,0,0,0.1); }
@@ -1084,16 +1206,15 @@ func sendBanAlert(ip, jail, hostname, failures, whois, logs, country string, set
.footer { text-align: center; color: #888; font-size: 12px; padding-top: 10px; border-top: 1px solid #ddd; margin-top: 15px; }
.label { font-weight: bold; color: #333; }
pre {
background: #222; /* Dark terminal-like background */
color: #ddd; /* Light text */
font-family: "Courier New", Courier, monospace; /* Monospace font */
font-size: 12px; /* Smaller font size */
background: #222;
color: #ddd;
font-family: "Courier New", Courier, monospace;
font-size: 12px;
padding: 10px;
border-radius: 5px;
overflow-x: auto; /* Scroll horizontally if needed */
white-space: pre-wrap; /* Preserve line breaks */
overflow-x: auto;
white-space: pre-wrap;
}
/* Mobile Styles */
@media screen and (max-width: 600px) {
.container { width: 90%%; padding: 10px; }
.header h2 { font-size: 20px; }
@@ -1104,42 +1225,259 @@ func sendBanAlert(ip, jail, hostname, failures, whois, logs, country string, set
</head>
<body>
<div class="container">
<!-- HEADER -->
<div class="header">
<img src="https://swissmakers.ch/wp-content/uploads/2023/09/cyber.png" alt="Swissmakers GmbH" width="150" />
<h2>🚨 Security Alert from Fail2Ban-UI</h2>
<h2>🚨 %s</h2>
</div>
<!-- ALERT MESSAGE -->
<div class="content">
<p>A new IP has been banned due to excessive failed login attempts.</p>
<p>%s</p>
<div class="details">
<p><span class="label">📌 Banned IP:</span> %s</p>
<p><span class="label">🛡️ Jail Name:</span> %s</p>
<p><span class="label">🏠 Hostname:</span> %s</p>
<p><span class="label">🚫 Failed Attempts:</span> %s</p>
<p><span class="label">🌍 Country:</span> %s</p>
%s
</div>
<h3>🔍 More Information about Attacker:</h3>
<pre>%s</pre>
<h3>📄 Server Log Entries:</h3>
<pre>%s</pre>
<h3>🔍 %s</h3>
%s
<h3>📄 %s</h3>
%s
</div>
<!-- FOOTER -->
<div class="footer">
<p>This email was generated automatically by Fail2Ban.</p>
<p>For security inquiries, contact <a href="mailto:support@swissmakers.ch">support@swissmakers.ch</a></p>
<p>%s</p>
<p>For security inquiries, contact <a href="mailto:%s">%s</a></p>
<p>&copy; %d Swissmakers GmbH. All rights reserved.</p>
</div>
</div>
</body>
</html>`, ip, jail, hostname, failures, country, whois, logs, time.Now().Year())
</html>`, html.EscapeString(title), html.EscapeString(title), html.EscapeString(intro), detailRows, html.EscapeString(whoisTitle), whoisHTML, html.EscapeString(logsTitle), logsHTML, html.EscapeString(footerText), html.EscapeString(supportEmail), html.EscapeString(supportEmail), year)
}
// buildModernEmailBody creates the modern responsive email template (new design)
func buildModernEmailBody(title, intro string, details []emailDetail, whoisHTML, logsHTML, whoisTitle, logsTitle, footerText string) string {
detailRows := renderEmailDetails(details)
year := strconv.Itoa(time.Now().Year())
return fmt.Sprintf(`<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>%s</title>
<style>
* { box-sizing: border-box; }
body { margin:0; padding:0; background-color:#f6f8fb; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color:#1f2933; line-height:1.6; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }
.email-wrapper { width:100%%; padding:20px 10px; }
.email-container { max-width:640px; margin:0 auto; background:#ffffff; border-radius:20px; box-shadow:0 4px 20px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04); overflow:hidden; }
.email-header { background:linear-gradient(135deg,#004cff 0%%,#6c2bd9 100%%); color:#ffffff; padding:32px 28px; text-align:center; }
.email-header-brand { margin:0 0 8px; font-size:11px; letter-spacing:0.3em; text-transform:uppercase; opacity:0.9; font-weight:600; }
.email-header-title { margin:0 0 10px; font-size:26px; font-weight:700; line-height:1.2; }
.email-header-subtitle { margin:0; font-size:15px; opacity:0.95; line-height:1.5; }
.email-body { padding:36px 28px; }
.email-intro { font-size:16px; line-height:1.7; margin:0 0 28px; color:#4b5563; }
.email-details-wrapper { background:#f9fafb; border-radius:12px; padding:20px; margin:0 0 32px; border:1px solid #e5e7eb; }
.email-details-wrapper p { margin:8px 0; font-size:14px; line-height:1.6; color:#111827; }
.email-details-wrapper p:first-child { margin-top:0; }
.email-details-wrapper p:last-child { margin-bottom:0; }
.email-detail-label { font-weight:700; color:#374151; margin-right:8px; }
.email-section { margin:36px 0 0; }
.email-section-title { font-size:13px; text-transform:uppercase; letter-spacing:0.1em; color:#6b7280; margin:0 0 16px; font-weight:700; }
.email-terminal { background:#111827; color:#f3f4f6; padding:20px; font-family:"SFMono-Regular","Consolas","Liberation Mono","Courier New",monospace; border-radius:12px; font-size:12px; line-height:1.7; white-space:pre-wrap; word-break:break-word; overflow-x:auto; margin:0; }
.email-log-stack { background:#0f172a; border-radius:12px; padding:16px; }
.email-log-line { font-family:"SFMono-Regular","Consolas","Liberation Mono","Courier New",monospace; font-size:12px; line-height:1.6; color:#cbd5f5; padding:8px 12px; border-radius:8px; margin:0 0 6px; background:rgba(255,255,255,0.05); }
.email-log-line:last-child { margin-bottom:0; }
.email-log-line-alert { background:rgba(248,113,113,0.25); color:#ffffff; border:1px solid rgba(248,113,113,0.5); }
.email-muted { color:#9ca3af; font-size:13px; line-height:1.6; }
.email-footer { border-top:1px solid #e5e7eb; padding:24px 28px; font-size:12px; color:#6b7280; text-align:center; background:#fafbfc; }
.email-footer-text { margin:0 0 8px; }
.email-footer-copyright { margin:0; font-size:11px; color:#9ca3af; }
@media only screen and (max-width:600px) {
.email-wrapper { padding:12px 8px; }
.email-header { padding:24px 20px; }
.email-header-title { font-size:22px; }
.email-header-subtitle { font-size:14px; }
.email-body { padding:28px 20px; }
.email-intro { font-size:15px; }
.email-details-wrapper { padding:16px; }
.email-details-wrapper p { font-size:14px; margin:10px 0; }
.email-footer { padding:20px 16px; }
}
@media only screen and (max-width:480px) {
.email-header-title { font-size:20px; }
.email-body { padding:24px 16px; }
.email-details-wrapper { padding:12px; }
}
</style>
</head>
<body>
<div class="email-wrapper">
<div class="email-container">
<div class="email-header">
<p class="email-header-brand">Fail2Ban UI</p>
<h1 class="email-header-title">%s</h1>
<p class="email-header-subtitle">%s</p>
</div>
<div class="email-body">
<p class="email-intro">%s</p>
<div class="email-details-wrapper">
%s
</div>
<div class="email-section">
<p class="email-section-title">%s</p>
%s
</div>
<div class="email-section">
<p class="email-section-title">%s</p>
%s
</div>
</div>
<div class="email-footer">
<p class="email-footer-text">%s</p>
<p class="email-footer-copyright">© %s Swissmakers GmbH. All rights reserved.</p>
</div>
</div>
</div>
</body>
</html>`, html.EscapeString(title), html.EscapeString(title), html.EscapeString(intro), html.EscapeString(intro), detailRows, html.EscapeString(whoisTitle), whoisHTML, html.EscapeString(logsTitle), logsHTML, html.EscapeString(footerText), year)
}
func renderEmailDetails(details []emailDetail) string {
if len(details) == 0 {
return `<p class="email-muted">No metadata available.</p>`
}
var b strings.Builder
for _, d := range details {
b.WriteString(`<p><span class="email-detail-label">` + html.EscapeString(d.Label) + `:</span> ` + html.EscapeString(d.Value) + `</p>`)
b.WriteString("\n")
}
return b.String()
}
func formatWhoisForEmail(whois string, lang string, isModern bool) string {
noDataMsg := getEmailTranslation(lang, "email.whois.no_data")
if strings.TrimSpace(whois) == "" {
if isModern {
return `<p class="email-muted">` + html.EscapeString(noDataMsg) + `</p>`
}
return `<pre style="background: #222; color: #ddd; font-family: 'Courier New', Courier, monospace; font-size: 12px; padding: 10px; border-radius: 5px; overflow-x: auto; white-space: pre-wrap;">` + html.EscapeString(noDataMsg) + `</pre>`
}
// Use <pre> to preserve all whitespace and newlines exactly as they are
if isModern {
return `<pre class="email-terminal">` + html.EscapeString(whois) + `</pre>`
}
return `<pre style="background: #222; color: #ddd; font-family: 'Courier New', Courier, monospace; font-size: 12px; padding: 10px; border-radius: 5px; overflow-x: auto; white-space: pre-wrap;">` + html.EscapeString(whois) + `</pre>`
}
func formatLogsForEmail(ip, logs string, lang string, isModern bool) string {
noLogsMsg := getEmailTranslation(lang, "email.logs.no_data")
if strings.TrimSpace(logs) == "" {
if isModern {
return `<p class="email-muted">` + html.EscapeString(noLogsMsg) + `</p>`
}
return `<pre style="background: #222; color: #ddd; font-family: 'Courier New', Courier, monospace; font-size: 12px; padding: 10px; border-radius: 5px; overflow-x: auto; white-space: pre-wrap;">` + html.EscapeString(noLogsMsg) + `</pre>`
}
if isModern {
var b strings.Builder
b.WriteString(`<div class="email-log-stack">`)
lines := strings.Split(logs, "\n")
for _, line := range lines {
trimmed := strings.TrimRight(line, "\r")
if trimmed == "" {
continue
}
class := "email-log-line"
if isSuspiciousLogLineEmail(trimmed, ip) {
class = "email-log-line email-log-line-alert"
}
b.WriteString(`<div class="` + class + `">` + html.EscapeString(trimmed) + `</div>`)
}
b.WriteString(`</div>`)
return b.String()
}
// Classic format: simple pre tag
return `<pre style="background: #222; color: #ddd; font-family: 'Courier New', Courier, monospace; font-size: 12px; padding: 10px; border-radius: 5px; overflow-x: auto; white-space: pre-wrap;">` + html.EscapeString(logs) + `</pre>`
}
func isSuspiciousLogLineEmail(line, ip string) bool {
trimmed := strings.TrimSpace(line)
if trimmed == "" {
return false
}
lowered := strings.ToLower(trimmed)
containsIP := ip != "" && strings.Contains(trimmed, ip)
statusCode := extractStatusCodeFromLine(trimmed)
hasBadStatus := statusCode >= 300
hasIndicator := false
for _, indicator := range suspiciousLogIndicators {
if strings.Contains(lowered, indicator) {
hasIndicator = true
break
}
}
if containsIP {
return hasBadStatus || hasIndicator
}
return (hasBadStatus || hasIndicator) && ip == ""
}
func extractStatusCodeFromLine(line string) int {
if match := httpQuotedStatusPattern.FindStringSubmatch(line); len(match) == 2 {
if code, err := strconv.Atoi(match[1]); err == nil {
return code
}
}
if match := httpPlainStatusPattern.FindStringSubmatch(line); len(match) == 2 {
if code, err := strconv.Atoi(match[1]); err == nil {
return code
}
}
return 0
}
// *******************************************************************
// * sendBanAlert Function : *
// *******************************************************************
func sendBanAlert(ip, jail, hostname, failures, whois, logs, country string, settings config.AppSettings) error {
lang := settings.Language
if lang == "" {
lang = "en"
}
// Get translations
subject := fmt.Sprintf("[Fail2Ban] %s: %s %s %s %s", jail,
getEmailTranslation(lang, "email.ban.subject.banned"),
ip,
getEmailTranslation(lang, "email.ban.subject.from"),
hostname)
details := []emailDetail{
{Label: getEmailTranslation(lang, "email.ban.details.banned_ip"), Value: ip},
{Label: getEmailTranslation(lang, "email.ban.details.jail"), Value: jail},
{Label: getEmailTranslation(lang, "email.ban.details.hostname"), Value: hostname},
{Label: getEmailTranslation(lang, "email.ban.details.failed_attempts"), Value: failures},
{Label: getEmailTranslation(lang, "email.ban.details.country"), Value: country},
{Label: getEmailTranslation(lang, "email.ban.details.timestamp"), Value: time.Now().UTC().Format(time.RFC3339)},
}
title := getEmailTranslation(lang, "email.ban.title")
intro := getEmailTranslation(lang, "email.ban.intro")
whoisTitle := getEmailTranslation(lang, "email.ban.whois_title")
logsTitle := getEmailTranslation(lang, "email.ban.logs_title")
footerText := getEmailTranslation(lang, "email.footer.text")
supportEmail := "support@swissmakers.ch"
// Determine email style
emailStyle := getEmailStyle()
isModern := emailStyle == "modern"
whoisHTML := formatWhoisForEmail(whois, lang, isModern)
logsHTML := formatLogsForEmail(ip, logs, lang, isModern)
var body string
if isModern {
body = buildModernEmailBody(title, intro, details, whoisHTML, logsHTML, whoisTitle, logsTitle, footerText)
} else {
body = buildClassicEmailBody(title, intro, details, whoisHTML, logsHTML, whoisTitle, logsTitle, footerText, supportEmail)
}
// Send the email
return sendEmail(settings.Destemail, subject, body, settings)
}
@@ -1149,10 +1487,51 @@ func sendBanAlert(ip, jail, hostname, failures, whois, logs, country string, set
func TestEmailHandler(c *gin.Context) {
settings := config.GetSettings()
lang := settings.Language
if lang == "" {
lang = "en"
}
// Get translations
testDetails := []emailDetail{
{Label: getEmailTranslation(lang, "email.test.details.recipient"), Value: settings.Destemail},
{Label: getEmailTranslation(lang, "email.test.details.smtp_host"), Value: settings.SMTP.Host},
{Label: getEmailTranslation(lang, "email.test.details.triggered_at"), Value: time.Now().Format(time.RFC1123)},
}
title := getEmailTranslation(lang, "email.test.title")
intro := getEmailTranslation(lang, "email.test.intro")
whoisTitle := getEmailTranslation(lang, "email.ban.whois_title")
logsTitle := getEmailTranslation(lang, "email.ban.logs_title")
footerText := getEmailTranslation(lang, "email.footer.text")
whoisNoData := getEmailTranslation(lang, "email.test.whois_no_data")
supportEmail := "support@swissmakers.ch"
// Determine email style
emailStyle := getEmailStyle()
isModern := emailStyle == "modern"
whoisHTML := `<pre style="background: #222; color: #ddd; font-family: 'Courier New', Courier, monospace; font-size: 12px; padding: 10px; border-radius: 5px; overflow-x: auto; white-space: pre-wrap;">` + html.EscapeString(whoisNoData) + `</pre>`
if isModern {
whoisHTML = `<p class="email-muted">` + html.EscapeString(whoisNoData) + `</p>`
}
sampleLogs := getEmailTranslation(lang, "email.test.sample_logs")
logsHTML := formatLogsForEmail("", sampleLogs, lang, isModern)
var testBody string
if isModern {
testBody = buildModernEmailBody(title, intro, testDetails, whoisHTML, logsHTML, whoisTitle, logsTitle, footerText)
} else {
testBody = buildClassicEmailBody(title, intro, testDetails, whoisHTML, logsHTML, whoisTitle, logsTitle, footerText, supportEmail)
}
subject := getEmailTranslation(lang, "email.test.subject")
err := sendEmail(
settings.Destemail,
"Test Email from Fail2Ban UI",
"This is a test email sent from the Fail2Ban UI to verify SMTP settings.",
subject,
testBody,
settings,
)

View File

@@ -1033,21 +1033,41 @@
<div class="relative flex min-h-full w-full items-center justify-center p-4 sm:p-6">
<div class="fixed inset-0 bg-gray-500 opacity-75" aria-hidden="true"></div>
<div class="relative z-10 w-full rounded-lg bg-white text-left shadow-xl transition-all" style="max-width: 800px;">
<div class="relative z-10 w-full rounded-lg bg-white text-left shadow-xl transition-all" style="max-width: 1200px;">
<div class="bg-white px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
<div class="sm:flex sm:items-start">
<div class="mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left w-full">
<h3 class="text-lg leading-6 font-medium text-gray-900" data-i18n="logs.modal.insights_title">Ban Insights</h3>
<p class="mt-1 text-sm text-gray-500" data-i18n="logs.modal.insights_description">Country distribution and recurring offenders.</p>
<h3 class="text-lg leading-6 font-medium text-gray-900 mb-2" data-i18n="logs.modal.insights_title">Ban Insights</h3>
<p class="text-sm text-gray-600 mb-4" data-i18n="logs.modal.insights_description">Country distribution and recurring offenders.</p>
<!-- Summary Cards -->
<div id="insightsSummary" class="grid gap-4 sm:grid-cols-3 mb-6"></div>
<!-- Main Content Grid -->
<div class="grid gap-6 lg:grid-cols-2">
<!-- Country Statistics -->
<div class="border border-gray-200 rounded-lg p-4 bg-gray-50">
<div class="flex items-center justify-between mb-4">
<div>
<h4 class="text-base font-semibold text-gray-900" data-i18n="logs.modal.insights_countries">Bans by country</h4>
<p class="text-xs text-gray-500 mt-1" data-i18n="logs.modal.insights_countries_hint">Top origins for the selected time range.</p>
</div>
<span class="inline-flex items-center rounded-full bg-blue-100 px-3 py-1 text-xs font-medium text-blue-700">Geo</span>
</div>
<div id="countryStatsContainer" class="space-y-4 max-h-96 overflow-y-auto"></div>
</div>
<div class="mt-6">
<h4 class="text-md font-semibold text-gray-800 mb-2" data-i18n="logs.modal.insights_countries">Bans by country</h4>
<div id="countryStatsContainer" class="max-h-64 overflow-y-auto divide-y divide-gray-200"></div>
</div>
<div class="mt-6">
<h4 class="text-md font-semibold text-gray-800 mb-2" data-i18n="logs.modal.insights_recurring">Recurring IPs</h4>
<div id="recurringIPsContainer" class="max-h-64 overflow-y-auto divide-y divide-gray-200"></div>
<!-- Recurring IPs -->
<div class="border border-gray-200 rounded-lg p-4 bg-gray-50">
<div class="flex items-center justify-between mb-4">
<div>
<h4 class="text-base font-semibold text-gray-900" data-i18n="logs.modal.insights_recurring">Recurring IPs</h4>
<p class="text-xs text-gray-500 mt-1" data-i18n="logs.modal.insights_recurring_hint">IP addresses repeatedly triggering Fail2ban.</p>
</div>
<span class="inline-flex items-center rounded-full bg-amber-100 px-3 py-1 text-xs font-medium text-amber-700">Watchlist</span>
</div>
<div id="recurringIPsContainer" class="space-y-4 max-h-96 overflow-y-auto"></div>
</div>
</div>
</div>
</div>
@@ -1309,6 +1329,18 @@
});
}
function formatNumber(value) {
var num = Number(value);
if (!isFinite(num)) {
return '0';
}
try {
return num.toLocaleString();
} catch (e) {
return String(num);
}
}
function withServerParam(url) {
if (!currentServerId) {
return url;
@@ -2911,17 +2943,57 @@
function openBanInsightsModal() {
var countriesContainer = document.getElementById('countryStatsContainer');
var recurringContainer = document.getElementById('recurringIPsContainer');
var summaryContainer = document.getElementById('insightsSummary');
var totals = (latestBanInsights && latestBanInsights.totals) || { overall: 0, today: 0, week: 0 };
if (summaryContainer) {
var summaryCards = [
{
label: t('logs.overview.total_events', 'Total stored events'),
value: formatNumber(totals.overall || 0),
sub: t('logs.modal.total_overall_note', 'Lifetime bans recorded')
},
{
label: t('logs.overview.total_today', 'Today'),
value: formatNumber(totals.today || 0),
sub: t('logs.modal.total_today_note', 'Last 24 hours')
},
{
label: t('logs.overview.total_week', 'Last 7 days'),
value: formatNumber(totals.week || 0),
sub: t('logs.modal.total_week_note', 'Weekly activity')
}
];
summaryContainer.innerHTML = summaryCards.map(function(card) {
return ''
+ '<div class="border border-gray-200 rounded-lg p-4 bg-white">'
+ ' <p class="text-xs uppercase tracking-wide text-gray-500">' + escapeHtml(card.label) + '</p>'
+ ' <p class="text-3xl font-semibold text-gray-900 mt-1">' + escapeHtml(card.value) + '</p>'
+ ' <p class="text-xs text-gray-500 mt-1">' + escapeHtml(card.sub) + '</p>'
+ '</div>';
}).join('');
}
var countries = (latestBanInsights && latestBanInsights.countries) || [];
if (!countries.length) {
countriesContainer.innerHTML = '<p class="text-sm text-gray-500" data-i18n="logs.modal.insights_countries_empty">No bans recorded for this period.</p>';
} else {
var totalCountries = countries.reduce(function(sum, stat) {
return sum + (stat.count || 0);
}, 0) || 1;
var countryHTML = countries.map(function(stat) {
var label = stat.country || t('logs.overview.country_unknown', 'Unknown');
var percent = Math.round(((stat.count || 0) / totalCountries) * 100);
percent = Math.min(Math.max(percent, 3), 100);
return ''
+ '<div class="flex items-center justify-between py-2">'
+ ' <span class="font-medium">' + escapeHtml(label) + '</span>'
+ ' <span class="text-sm text-gray-600">' + (stat.count || 0) + '</span>'
+ '<div class="space-y-2">'
+ ' <div class="flex items-center justify-between text-sm font-medium text-gray-800">'
+ ' <span>' + escapeHtml(label) + '</span>'
+ ' <span>' + formatNumber(stat.count || 0) + '</span>'
+ ' </div>'
+ ' <div class="w-full bg-gray-200 rounded-full h-2">'
+ ' <div class="h-2 rounded-full bg-gradient-to-r from-blue-500 to-indigo-600" style="width:' + percent + '%;"></div>'
+ ' </div>'
+ '</div>';
}).join('');
countriesContainer.innerHTML = countryHTML;
@@ -2935,16 +3007,17 @@
var countryLabel = stat.country || t('logs.overview.country_unknown', 'Unknown');
var lastSeenLabel = stat.lastSeen ? formatDateTime(stat.lastSeen) : '—';
return ''
+ '<div class="py-2">'
+ '<div class="rounded-lg bg-white border border-gray-200 shadow-sm p-4">'
+ ' <div class="flex items-center justify-between">'
+ ' <div>'
+ ' <p class="font-mono text-sm text-gray-900">' + escapeHtml(stat.ip || '—') + '</p>'
+ ' <p class="text-xs text-gray-500">' + escapeHtml(countryLabel) + '</p>'
+ ' </div>'
+ ' <div class="text-right">'
+ ' <p class="text-sm font-semibold">' + (stat.count || 0) + '×</p>'
+ ' <p class="text-xs text-gray-500">' + t('logs.overview.last_seen', 'Last seen') + ': ' + escapeHtml(lastSeenLabel) + '</p>'
+ ' <p class="font-mono text-base text-gray-900">' + escapeHtml(stat.ip || '—') + '</p>'
+ ' <p class="text-xs text-gray-500 mt-1">' + escapeHtml(countryLabel) + '</p>'
+ ' </div>'
+ ' <span class="inline-flex items-center rounded-full bg-amber-100 px-3 py-1 text-xs font-semibold text-amber-700">' + formatNumber(stat.count || 0) + '×</span>'
+ ' </div>'
+ ' <div class="mt-3 flex justify-between text-xs text-gray-500">'
+ ' <span>' + t('logs.overview.last_seen', 'Last seen') + '</span>'
+ ' <span>' + escapeHtml(lastSeenLabel) + '</span>'
+ ' </div>'
+ '</div>';
}).join('');