Added files

Check_Certifiacte_Expiry.sh

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+#!/bin/bash
+
+# Read the list of domains from a file
+domains=$(cat /www/cert_check/domains.txt)
+
+# Email settings
+sender_email="SENDER_EMAIL"
+receiver_email="RECEIVER_EMAIL"
+
+# Discord Webhook
+WEBHOOK_URL="DISCORD_WEBHOOK_URL"
+
+# Initialize an empty array to store the expiring domains and their days left
+expiring_domains=()
+
+# Set number of days to search within
+days_within=30
+
+# Set time and date of search
+current_datetime=$(date +%Y-%m-%d_%H:%M:%S)
+
+# Iterate over the list of domains
+for domain_entry in $domains; do
+    # Split the domain and port
+    IFS=':' read -r domain port <<< "$domain_entry"
+
+    # Set default port to 443 if not specified
+    if [ -z "$port" ]; then
+        port=443
+    fi
+
+    # Get SSL certificate expiration date
+    expiration_date=$(echo | openssl s_client -servername $domain -connect $domain:$port 2>/dev/null | openssl x509 -noout -dates | grep 'notAfter' | cut -d'=' -f2)
+
+    # Calculate the number of days left until the SSL certificate expires
+    if [ ! -z "$expiration_date" ]; then
+        expiration_timestamp=$(date -d "$expiration_date" +%s 2>/dev/null)
+        if [ ! -z "$expiration_timestamp" ]; then
+            days_left=$((($expiration_timestamp - $(date +%s)) / 86400))
+        fi
+    fi
+
+    # Check if the SSL certificate is expiring within set days time
+    if [ ! -z "$days_left" ] && [ "$days_left" -lt $days_within ]; then
+        # Add the expiring domain and its days left to the array
+        expiring_domains+=("$domain:$port: $days_left days left")
+    fi
+done
+
+# Send an email with the expiring domains and their days left (if any)
+if [ ${#expiring_domains[@]} -gt 0 ]; then
+    # Email content
+    subject="SSL Certificate Expiration Alert - $current_datetime"
+    body="The following domains have SSL certificates expiring within $days_within days:\n\n${expiring_domains[@]/%/\\n}"
+
+    # Send the email
+    echo -e "$body" | mail -s "$subject" -a "From: $sender_email" "$receiver_email"
+    
+    # Send the notification to Discord
+    curl -H "Content-Type: application/json" -X POST --data "{\"content\": null, \"embeds\": [{\"title\": \"$subject\", \"description\": \"$body\", \"color\": null}], \"attachments\": []}" $WEBHOOK_URL
+fi

domains.txt

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+example.com
+subdomain.example.com:8443
+imap.example.com:993
+smtp.example.com:465