23 lines
1.1 KiB
Bash
23 lines
1.1 KiB
Bash
 
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#!/usr/bin/env bash
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# Fetches the month's DB-IP Lite city and ASN databases (CC BY 4.0, https://db-ip.com) into the directory PrivaPub reads
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# them from (Statistics:GeoDirectory). The app swaps to new files on its own; a failed download leaves the old ones.
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set -euo pipefail
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dir="${GEO_DIR:-/var/lib/privapub/geo}"
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tmp=$(mktemp -d); trap 'rm -rf "$tmp"' EXIT
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this=$(date -u +%Y-%m)
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last=$(date -u -d "$(date -u +%Y-%m-15) -1 month" +%Y-%m)
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for kind in city asn; do
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got=""
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for month in "$this" "$last"; do
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if curl -fsS --max-time 900 -o "$tmp/$kind.gz" "https://download.db-ip.com/free/dbip-$kind-lite-$month.mmdb.gz"; then
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got=$month; break
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fi
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done
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[ -n "$got" ] || { echo "no $kind database for $this or $last" >&2; exit 1; }
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gunzip -t "$tmp/$kind.gz"
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gunzip -c "$tmp/$kind.gz" > "$tmp/dbip-$kind-lite.mmdb"
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[ "$(stat -c %s "$tmp/dbip-$kind-lite.mmdb")" -gt 1000000 ] || { echo "the $kind database is too small" >&2; exit 1; }
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install -m 640 "$tmp/dbip-$kind-lite.mmdb" "$dir/.dbip-$kind-lite.mmdb.new"
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mv -f "$dir/.dbip-$kind-lite.mmdb.new" "$dir/dbip-$kind-lite.mmdb"
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echo "$kind: DB-IP Lite $got"
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done
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