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35 lines
764 B
Bash
35 lines
764 B
Bash
#!/bin/sh
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# mencrypt PLAINMSG - generate a PGP/MIME signed and encrypted message
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[ -f "$1" ] || exit 1
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IFS='
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'
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FLAGS=$(maddr -a -h from:to:cc:bcc: "$1" |sort -u |sed 's/^/--recipient=/')
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FROM=$(maddr -a -h from "$1" | sed 1q)
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[ "$FROM" ] && key="--default-key=$FROM"
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if command -v gpg2 >/dev/null; then
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GPG=gpg2
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else
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GPG=gpg
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fi
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TMPD=$(mktemp -d -t mencrypt.XXXXXX)
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trap "rm -rf '$TMPD'" INT TERM EXIT
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awk '/^$/,0' "$1" |
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mmime |
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$GPG "$key" --armor --encrypt --sign $FLAGS -o "$TMPD/msg.asc" ||
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exit $?
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printf 'Version: 1\n' >"$TMPD/version"
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{
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sed '/^$/q' "$1"
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printf '#application/pgp-encrypted %s/version\n' "$TMPD"
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printf '#application/octet-stream %s/msg.asc\n' "$TMPD"
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} |
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mmime -t 'multipart/encrypted; protocol="application/pgp-encrypted"'
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