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- #!/bin/bash
- set -euo pipefail
- # Klimbim Software collection, A bag full of things
- # Copyright (C) 2011-2024 Johannes 'Banana' Keßler
- #
- # This program is free software: you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation, either version 3 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <https://www.gnu.org/licenses/>.
- # 2024 http://www.bananas-playground.net
- # A simple wrapper around google pagespeed request which extracts
- # a page screenshot
- # Important note: It will not always work. This is not an error. It depends
- # on the way the target webpage is build.
- command -v curl >/dev/null 2>&1 || { echo >&2 "I require curl (https://curl.haxx.se/) but it's not installed. Aborting."; exit 1; }
- command -v jq >/dev/null 2>&1 || { echo >&2 "I require jq (https://jqlang.github.io/jq/) but it's not installed. Aborting."; exit 1; }
- command -v base64 >/dev/null 2>&1 || { echo >&2 "I require base64 (https://www.gnu.org/software/coreutils/) but it's not installed. Aborting."; exit 1; }
- USERAGENT="Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0"
- PAGESPEEDURL="https://www.googleapis.com/pagespeedonline/v5/runPagespeed?&screenshot=true&url="
- USAGE="screenshot-google.sh 'URL' file.webp"
- if [ $# -lt 2 ]; then
- echo "Missing required URL or file";
- echo ${USAGE}
- exit 2;
- fi;
- curl -s -H "Cache-Control: no-cache" -H "User-Agent: ${USERAGENT}" "${PAGESPEEDURL}${1}" \
- | jq -r '.lighthouseResult.fullPageScreenshot.screenshot.data' | cut -d "," -f 2 \
- | base64 --decode > ${2}
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