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sarah new keys

sarah new keys #150

name: Check encryption key
on:
pull_request
jobs:
check-encryption-keys:
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v3
with:
fetch-depth: 0
- name: Check encryption keys
shell: bash {0}
run: |
keyfiles=$(ls gpg/*)
faillist=""
for key in $keyfiles; do
tmpkeys=$(mktemp)
tmpfile=$(mktemp)
OPTS="--no-default-keyring --keyring $tmpkeys --no-auto-key-locate"
gpg $OPTS --quiet --import $key
recipient=$(gpg $OPTS --list-keys --with-colons | grep uid | cut -d: -f 10 | sed -r 's/^.*<(.*)>$/\1/'| sort -u)
echo "Checking $key"
gpg $OPTS -e --trust-model always -r "$recipient" "$tmpfile"
if [[ $? -ne 0 ]]; then
faillist="$faillist\n$recipient"
echo "Key contained in $key is not valid for encryption"
fi
done
rm $tmpkeys $tmpfile
if [[ -n $faillist ]]; then echo -e "\nThe following keys are not valid:$faillist"; exit 1; fi