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-rwxr-xr-xbin/generate-key-graph125
1 files changed, 125 insertions, 0 deletions
diff --git a/bin/generate-key-graph b/bin/generate-key-graph
new file mode 100755
index 0000000..17e6bd1
--- /dev/null
+++ b/bin/generate-key-graph
@@ -0,0 +1,125 @@
+#!/bin/bash
+
+# shellcheck source=../lib/load-configuration
+. "${0%/*}/../lib/load-configuration"
+
+tmp_dir=$(mktemp -d 'tmp.generate-key-graph.XXXXXXXXXX')
+trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
+
+# shellcheck disable=SC2016
+{
+ printf 'SELECT DISTINCT '
+ printf 'REPLACE(TO_BASE64(`gpg_keys`.`public_key`),"\\n",""),'
+ printf '`gpg_keys`.`fingerprint`'
+ printf ' FROM `gpg_keys`'
+ mysql_join_gpg_keys_binary_packages
+ mysql_join_binary_packages_binary_packages_in_repositories
+ mysql_join_binary_packages_in_repositories_repositories
+ printf ' AND `repositories`.`is_on_master_mirror`;\n'
+} \
+| mysql_run_query \
+> "${tmp_dir}/packager-keys"
+
+# shellcheck disable=SC2046
+${master_mirror_rsync_command} $(
+ ls_master_mirror pool \
+ | grep '^archlinux32-keyring\(-transition\)\?\(-[^-]\+\)\{3\}\.pkg\.tar\.zst$' \
+ | sed 's#^#'"${master_mirror_rsync_directory}"'/pool/#'
+) "${tmp_dir}/"
+
+GPG='gpg --quiet --batch --no-tty --no-permission-warning --homedir='"${tmp_dir}"'/gnupg'
+
+get_user_info() {
+ ${GPG} --with-colons --list-keys "0x${fp}" \
+ | grep -m1 '^uid:' \
+ | cut -d: -f 10 \
+ | sed 's/^.*<\(\S\+\)>$/\1/'
+}
+
+expiration_color() {
+ local expiration
+ expiration=$(
+ ${GPG} --with-colons --list-keys "0x${fp}" \
+ | grep -m1 '^pub:' \
+ | cut -d: -f 7
+ )
+ if [ -z "${expiration}" ]; then
+ printf '#000000'
+ return
+ fi
+ expiration=$((
+ (expiration - $(date +%s))/60/60/24
+ ))
+ if [ ${expiration} -gt 100 ]; then
+ printf '#000000'
+ elif [ ${expiration} -gt 50 ]; then
+ printf '#808000'
+ elif [ ${expiration} -gt 25 ]; then
+ printf '#ffff00'
+ elif [ ${expiration} -gt 0 ]; then
+ printf '#ff8000'
+ else
+ printf '#ff0000'
+ fi
+}
+
+{
+ printf 'digraph "key-graph" {\n'
+ printf 'rankdir=LR;\n'
+
+ find "${tmp_dir}" -type f -name 'archlinux32-*.pkg.tar*' \
+ | while read -r keyring_package; do
+ mkdir "${tmp_dir}/gnupg"
+
+ {
+ while read -r s _; do
+ printf '%s\n' "${s}" \
+ | base64 -w0 -d
+ done \
+ <"${tmp_dir}/packager-keys"
+ bsdtar -Oxf "${keyring_package}" usr/share/pacman/keyrings/archlinux32.gpg
+ } \
+ | ${GPG} --import
+
+ all_keys=$(
+ cut -f2 \
+ < "${tmp_dir}/packager-keys"
+ bsdtar -Oxf "${keyring_package}" usr/share/pacman/keyrings/archlinux32-trusted \
+ | cut -d: -f1
+ )
+
+ while read -r _ fp; do
+ printf '"%s-%s"[label="packager key %s\\n%s",color="#0000ff",fontcolor="%s"];\n' \
+ "${keyring_package##*/}" \
+ "${fp}" \
+ "${fp:0:8}" \
+ "$(get_user_info "${fp}")" \
+ "$(expiration_color "${fp}")"
+ done \
+ <"${tmp_dir}/packager-keys"
+
+ bsdtar -Oxf "${keyring_package}" usr/share/pacman/keyrings/archlinux32-trusted \
+ | while IFS=: read -r fp _; do
+ printf '"%s-%s"[label="master key %s\\n%s",color="#00ff00",fontcolor="%s"];\n' \
+ "${keyring_package##*/}" \
+ "${fp}" \
+ "${fp:0:8}" \
+ "$(get_user_info "${fp}")" \
+ "$(expiration_color "${fp}")"
+ done
+ for key_id in ${all_keys}; do
+ ${GPG} --list-sigs --with-colons "0x${key_id}" \
+ | grep -wF "${all_keys}" \
+ | grep '^sig:' \
+ | cut -d : -f 13 \
+ | grep -vxF "${key_id}" \
+ | sed 's/^\S\+$/"'"${keyring_package##*/}"'-\0" -> "'"${keyring_package##*/}"'-'"${key_id}"'";/'
+ done \
+ | sort -u
+
+ rm -rf --one-file-system "${tmp_dir}/gnupg"
+ done
+ printf '}\n'
+} \
+| dot -Tpng \
+>"${webserver_directory}/key-graph.png"