95 lines
2.5 KiB
Bash
Executable File
95 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# Download and merge lists of Gemini hosts from:
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# gemini://geminispace.info/known-hosts
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# gemini://gemini.bortzmeyer.org/software/lupa/lupa-capsules.txt
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# gemini://auragem.space/search/capsules
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set -o errexit # (-e) exit immediately if any command has a non-zero exit status
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set -o nounset # (-u) don't accept undefined variables
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#set -o xtrace # for debugging
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# Go where this script is.
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cd "$(dirname "$0")" || exit
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hosts1=$(agunua --binary --maximum-time 20 \
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gemini://geminispace.info/known-hosts 2>/dev/null \
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| grep "gemini://" | cut -d ' ' -f 3)
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if [ -z "$hosts1" ]; then
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>&2 echo "geminispace.info/known-hosts download failed."
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exit 1
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fi
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hosts2=$(agunua --binary --maximum-time 20 \
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gemini://gemini.bortzmeyer.org/software/lupa/lupa-capsules.txt 2>/dev/null)
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if [ -z "$hosts2" ]; then
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>&2 echo "lupa-capsules.txt download failed."
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exit 1
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fi
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#hosts3=$(agunua --binary --maximum-time 20 \
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# gemini://auragem.space/search/capsules 2>/dev/null \
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# | grep "gemini://" | cut -d ' ' -f 2 | cut -d '/' -f 3)
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#if [ -z "$hosts3" ]; then
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# >&2 echo "geminispace.info/known-hosts download failed."
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# exit 1
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#fi
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# Concatenate hosts files.
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hosts="$hosts1
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$hosts2"
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#$hosts3"
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# Remove empty lines; convert punycode to unicode; sort entries; remove duplicates.
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hosts=$(echo "$hosts" | awk NF | idn --allow-unassigned --idna-to-unicode | sort -fu)
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# Remove hosts which contain neither "." nor ":", such as "localhost".
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hosts=$(echo "$hosts" | grep '\.\|:')
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# Remove explicitly excluded hosts.
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hosts=$(echo "$hosts" | grep -vxEf excluded-hosts)
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if ! echo "$hosts" | grep -qE '\.onion(:.*)?$'; then
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>&2 echo "The .onions are missing!"
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exit 1
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fi
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if [ -z "$hosts" ]; then
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>&2 echo "hosts file downloads failed."
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exit 1
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fi
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# Save to temporary file.
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tempfile=$(mktemp)
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echo "$hosts" > "$tempfile"
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# Delete temporary file on exit.
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finish() {
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rm -f "$tempfile"
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}
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trap finish EXIT
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# Test if removed hosts are still online.
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if [ -f hosts ]; then
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echo "Testing removed hosts..."
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for removed_host in $(diff hosts "$tempfile" | grep ^\< | cut -c 3-); do
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printf "%s" "$removed_host"
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# If direct connection fails, try to connect through Tor.
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if agunua --no-tofu --maximum-time 20 "$removed_host" >/dev/null 2>&1 || \
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agunua --socks 127.0.0.1:9050 --no-tofu --maximum-time 20 "$removed_host" >/dev/null 2>&1; then
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echo " - ONLINE"
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# Add removed host back.
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hosts="$hosts
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$removed_host"
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else
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echo " - offline"
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fi
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done
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fi
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# Sort entries again.
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hosts=$(echo "$hosts" | sort)
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# Save to file.
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echo "$hosts" > hosts
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echo OK
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