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28 lines
792 B
Bash
28 lines
792 B
Bash
#!/bin/bash
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# 網站清單
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DOMAINS=("google.com" "smarter.nchu.edu.tw")
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echo "網站 SSL 憑證剩餘天數："
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echo "---------------------------"
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for domain in "${DOMAINS[@]}"; do
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end_date=$(echo | openssl s_client -servername "$domain" -connect "$domain:443" 2>/dev/null |
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openssl x509 -noout -enddate | cut -d= -f2)
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end_timestamp=$(date -d "$end_date" +%s)
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now_timestamp=$(date +%s)
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remaining_days=$(( (end_timestamp - now_timestamp) / 86400 ))
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if [ $remaining_days -lt 0 ]; then
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status="已過期 ❌"
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elif [ $remaining_days -lt 15 ]; then
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status="即將到期 ⚠️"
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else
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status="正常 ✅"
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fi
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printf "%-20s 到期日：%-25s 剩餘天數：%3d 天 %s\n" "$domain" "$end_date" "$remaining_days" "$status"
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done
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