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Compatibility with BSD date #1

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merged 8 commits into from
Mar 31, 2024
Merged

Compatibility with BSD date #1

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d7c329e
Compatibility with macOS shell
gamma Mar 5, 2024
891ffec
Apply suggestions from code review
oh2fih Mar 5, 2024
0c24602
Replace tr with awk
oh2fih Mar 5, 2024
7342c6c
Fix SC2015
oh2fih Mar 5, 2024
d277a18
Require Bash >= 4.0
oh2fih Mar 31, 2024
b3fb094
Detect non-GNU date instead of MacOS
oh2fih Mar 31, 2024
e02cbc3
Revert back to Parameter Expansion
oh2fih Mar 31, 2024
f4e3d8a
Update README.md
oh2fih Mar 31, 2024
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50 changes: 37 additions & 13 deletions securitytxt-signer.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,10 @@ if [ "$#" -lt 1 ]; then
exit 1
fi

# Prepare environment

[[ "$(uname)" == "Darwin" ]] && IS_MAC=1 || IS_MAC=0

# Check for requirements. Print all unmet requirements at once.

required_command() {
Expand Down Expand Up @@ -77,14 +81,25 @@ if ! [[ "$KEY" =~ ^0x[a-fA-F0-9]{8,40}$ ]]; then
else
KEY_INFO=$(gpg --list-secret-keys "$KEY" 2> >(sed $'s,.*,\e[33m&\e[m,'>&2))

KEY_EXPIRES=$(
echo "$KEY_INFO" \
| grep "sec" \
| grep -Eo 'expires:\ [0-9\-]+' \
| awk '{ print $2}' \
| date -Iseconds -u -f - \
| sed -e 's/+00:00$/Z/'
)
if (( IS_MAC )); then
KEY_EXPIRES=$(
echo "$KEY_INFO" \
| grep "sec" \
| grep -Eo 'expires:\ [0-9\-]+' \
| awk '{ print $2}' \
| date -Iseconds -u \
| sed -e 's/+00:00$/Z/'
)
else
KEY_EXPIRES=$(
echo "$KEY_INFO" \
| grep "sec" \
| grep -Eo 'expires:\ [0-9\-]+' \
| awk '{ print $2}' \
| date -Iseconds -u -f - \
| sed -e 's/+00:00$/Z/'
)
fi
echo

if [[ "$KEY_EXPIRES" = "" ]]; then
Expand All @@ -96,8 +111,8 @@ else
GREPABLE_KEY=${KEY//0x/}
FP=$(echo "$KEY_INFO" | grep -i "$GREPABLE_KEY" | sed -e 's/[^A-F0-9]//g')
KEY="0x${FP}"
if ! [[ "${KEY}" = "0x${GREPABLE_KEY^^}" ]]; then
echo -e "\033[0;33mEXPANDED 0x${GREPABLE_KEY^^} TO ${KEY}\033[0;0m"
if ! [[ "${KEY}" = "0x$(echo "${GREPABLE_KEY}" | awk '{print toupper($0)}')" ]]; then
echo -e "\033[0;33mEXPANDED 0x$(echo "${GREPABLE_KEY}" | awk '{print toupper($0)}') TO ${KEY}\033[0;0m"
fi
fi

Expand All @@ -115,13 +130,22 @@ fi
# Set expire date.
# If the key expires before the DAYS_MAX, use the key expiration date instead.

EXPIRES=$(date -Iseconds -u -d "${DAYS_MAX} days" | sed -e 's/+00:00$/Z/')
if (( IS_MAC )); then
EXPIRES=$(date -Iseconds -u -v+${DAYS_MAX}d | sed -e 's/+00:00$/Z/')
else
EXPIRES=$(date -Iseconds -u -d "${DAYS_MAX} days" | sed -e 's/+00:00$/Z/')
fi

if [ -z ${KEY_EXPIRES+x} ]; then
echo -e "\033[0;33mUSING EXPIRE (max ${DAYS_MAX} days): $EXPIRES\033[0;0m"
else
EXPIRES_COMPARABLE=$(date -d "$EXPIRES" +%s)
KEY_EXPIRES_COMPARABLE=$(date -d "$KEY_EXPIRES" +%s)
if (( IS_MAC )); then
EXPIRES_COMPARABLE=$(date -j -f "%Y-%m-%dT%H:%M:%SZ" "$EXPIRES" +%s)
KEY_EXPIRES_COMPARABLE=$(date -j -f "%Y-%m-%dT%H:%M:%SZ" "$KEY_EXPIRES" +%s)
else
EXPIRES_COMPARABLE=$(date -d "$EXPIRES" +%s)
KEY_EXPIRES_COMPARABLE=$(date -d "$KEY_EXPIRES" +%s)
fi

echo -e "\033[0;33mComparing ${EXPIRES} to key expr ${KEY_EXPIRES}.\033[0;0m"

Expand Down
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