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skynet-webportal/scripts/blocklist-skylink.sh

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#! /usr/bin/env bash
# This script adds a skylink to the sia blocklist and removes the skylink from
# nginx cache. The script should be run locally on each skynet webportal
# server. The automatic script that is used to continuously sync an Airtable
# sheet list with the blocklist on the web portals is
# /setup-scripts/blocklist-airtable.py
set -e # exit on first error
if [ -z "$1" ]; then
echo "Please provide either a skylink or file with skylinks separated by new lines" && exit 1
fi
#########################################################
# read either a file containing skylinks separated by new
# lines or a single skylink and put them in an array
#########################################################
skylinks=()
if test -f "$1"; then
line_number=1
# Read file including the last line even when it doesn't end with newline
while IFS="" read -r line || [ -n "$line" ];
do
if [[ $line =~ (^[a-zA-Z0-9_-]{46}$) ]]; then
skylinks+=("$line")
else
echo "Incorrect skylink at line ${line_number}: $line" && exit 1
fi
let line_number+=1
done < $1;
else
skylinks=("$1") # just single skylink passed as input argument
fi
for skylink in "${skylinks[@]}";
do
echo ".. ⌁ Blocking skylink ${skylink}"
# Add to Sia blocklist
docker exec sia siac skynet blocklist add "${skylink}"
# Remove from NGINX cache
# NOTE:
# If there are changes to how the NGINX cache is being cleared, the same
# changes need to be applied to the /setup-scripts/blocklist-airtable.py
# script.
cached_files_command="find /data/nginx/cache/ -type f | xargs -r grep -Els '^Skynet-Skylink: ${skylink}'"
docker exec -it nginx bash -c "${cached_files_command}" | xargs -r rm
echo ".. ⌁ Skylink ${skylink} Blocked"
echo "--------------------------------------------"
done
echo "✓ All done !"