49 lines
1.6 KiB
Bash
Executable File
49 lines
1.6 KiB
Bash
Executable File
#!/bin/env bash
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# shellcheck disable=SC1091,SC1090
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# Entries in publicip.conf:
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# IP_QUERY_URL: URL to query public IP of the system.
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# param: none
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# return: JSON object with "ip" field.
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# note: This URL will be queried with short intervals (60s for example),
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# therefore it may not be a good idea to use a public API with
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# a limited number of calls.
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# IP_INFO_URL: URL to query IP location.
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# param: <ip>
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# return: JSON object with "country_code" field.
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# note: This URL will only be quetried when public IP changes or when "force" is given as parameter.
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path="$(dirname "$(readlink -f "$0")")"
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cache_file="$path/publicip.cache"
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config_file="$path/publicip.conf"
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time_log="$path/publicip.log"
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[ -f "$config_file" ] || exit 1
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. "$config_file"
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[ -z "$IP_QUERY_URL" ] && exit 1
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[ -z "$IP_INFO_URL" ] && exit 1
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[ "$1" == "force" ] && rm -f "$cache_file"
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[ -f "$cache_file" ] && . "$cache_file"
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ip_current=$(curl -s -L -4 "$IP_QUERY_URL" | jq -r '.ip')
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[ -z "$ip_current" ] && exit 1
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if [ "$ip_current" != "$CACHED_IP" ]; then
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echo "$(date +%Y-%m-%dT%H:%M:%S) - IP changed: $CACHED_IP -> $ip_current" >>"$time_log"
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CACHED_IP="$ip_current"
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ip_info_url=${IP_INFO_URL//<ip>/$ip_current}
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CACHED_CODE=$(curl -s -L "$ip_info_url" | jq -r '.country_code')
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[ -z "$CACHED_CODE" ] && CACHED_CODE="N/A"
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echo "CACHED_IP=$CACHED_IP" >"$cache_file"
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echo "CACHED_CODE=$CACHED_CODE" >>"$cache_file"
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notify-send "New Public IP detected" "New IP: $ip_current\nCountry: $CACHED_CODE"
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fi
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jq -n --unbuffered --compact-output \
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--arg ip "$CACHED_IP" \
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--arg country "$CACHED_CODE" \
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'{alt: $ip, text: $country}'
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