From 5daa51c16e6c17da2429e29c13e5d4eaddaf6fb6 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 1 Jun 2017 10:14:32 +0200
Subject: Initial commit

---
 receive-all-keys | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 receive-key      | 11 +++++++++++
 test-domain      |  5 +++++
 3 files changed, 75 insertions(+)
 create mode 100755 receive-all-keys
 create mode 100755 receive-key
 create mode 100755 test-domain

diff --git a/receive-all-keys b/receive-all-keys
new file mode 100755
index 0000000..80abb42
--- /dev/null
+++ b/receive-all-keys
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+test_domain="$(dirname "$(readlink -f "$0")")/test-domain"
+receive_key="$(dirname "$(readlink -f "$0")")/receive-key"
+
+echo "$receive_key"
+exit
+
+tmp_dir="$(mktemp -d)"
+
+pushd "${tmp_dir}" > /dev/null
+
+grep '@' ~/.thunderbird/*.default/ImapMail/imap.gmx.net/INBOX | \
+  sed 's|\s\+|\n|g' | \
+  tr ' \t<>();"[]~=+#:,$|&/?%{}/\\!*^`'"'" '\n' | \
+  grep '^[^@]\+@[^@]\+\.[^@]\+$' | \
+  pv --line-mode | \
+  grep '^[_0-9a-zA-Z.-]\+@[_0-9a-zA-Z.-]\+$' > \
+  adressen
+
+sort -uf adressen | \
+  tee adressen.sorted | \
+  wc -l
+
+mv adressen.sorted adressen
+
+cut -d@ -f2 adressen | \
+  sort -uf | \
+  tee domains | \
+  wc -l
+
+parallel -j 100 "${test_domain}" '{}' \; < domains > domains.ok
+
+mv domains.ok domains
+
+(
+  sed 's|$| 0|' domains
+  sed 's|^\(.*\)@\(.*\)$|\2 1 \1@\2|' adressen
+) | \
+  sort -k1,1 -k2n,2 | \
+  while read -r a b c; do
+    if [ "${b}" == "0" ]; then
+      domain="${a}"
+      continue
+    fi
+    if [ "${a}" == "${domain}" ] && [ "${b}" == "1" ]; then
+      echo "${c}"
+    fi
+  done | \
+  tee adressen.ok | \
+  wc -l
+
+mv adressen.ok adressen
+
+xargs -n1 "${receive_key}" < adressen
+
+popd > /dev/null
+
+rm -rf --one-file-system "${tmp_dir}"
diff --git a/receive-key b/receive-key
new file mode 100755
index 0000000..c777bb6
--- /dev/null
+++ b/receive-key
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+keyIDs="$(
+  gpg --batch --with-colons --search-keys "$1" 2> /dev/null | \
+    grep '^pub:' | \
+    cut -d: -f2
+)"
+
+if [ -n "${keyIDs}" ]; then
+  gpg --recv-keys ${keyIDs}
+fi
diff --git a/test-domain b/test-domain
new file mode 100755
index 0000000..3ada51e
--- /dev/null
+++ b/test-domain
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+if ping -c1 "$1" &> /dev/null; then
+  echo "$1"
+fi
-- 
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