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cli/reply: use decryption policy "auto" by default.

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If the user doesn't specify --decrypt= at all, but a stashed session
key is known to notmuch, when replying to an encrypted message,
notmuch should just go ahead and decrypt.

The user can disable this at the command line with --decrypt=false,
though it's not clear why they would ever want to do that.
This commit is contained in:
Daniel Kahn Gillmor 2017-12-08 01:23:54 -05:00 committed by David Bremner
parent e4890b5bf9
commit 6802b333eb
4 changed files with 25 additions and 6 deletions
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6
completion/notmuch-completion.bash
View file

@ -350,12 +350,16 @@ _notmuch_reply()
COMPREPLY=( $( compgen -W "all sender" -- "${cur}" ) )
return
;;
--decrypt)
COMPREPLY=( $( compgen -W "true false" -- "${cur}" ) )
return
;;
esac
! $split &&
case "${cur}" in
-*)
local options="--format= --format-version= --reply-to= --decrypt ${_notmuch_shared_options}"
local options="--format= --format-version= --reply-to= --decrypt= ${_notmuch_shared_options}"
compopt -o nospace
COMPREPLY=( $(compgen -W "$options" -- ${cur}) )
;;

6
doc/man1/notmuch-reply.rst
View file

@ -80,8 +80,12 @@ Supported options for **reply** include
multipart/encrypted part will be replaced by the decrypted
content.
If a session key is already known for the message, then it
will be decrypted automatically unless the user explicitly
sets ``--decrypt=false``.
Decryption expects a functioning **gpg-agent(1)** to provide any
needed credentials. Without one, the decryption will fail.
needed credentials. Without one, the decryption will likely fail.
See **notmuch-search-terms(7)** for details of the supported syntax for
<search-terms>.

9
notmuch-reply.c
View file

@ -700,11 +700,12 @@ notmuch_reply_command (notmuch_config_t *config, int argc, char *argv[])
int opt_index;
notmuch_show_params_t params = {
.part = -1,
.crypto = { .decrypt = NOTMUCH_DECRYPT_FALSE },
.crypto = { .decrypt = NOTMUCH_DECRYPT_AUTO },
};
int format = FORMAT_DEFAULT;
int reply_all = true;
bool decrypt = false;
bool decrypt_set = false;
notmuch_opt_desc_t options[] = {
{ .opt_keyword = &format, .name = "format", .keywords =
@ -718,7 +719,7 @@ notmuch_reply_command (notmuch_config_t *config, int argc, char *argv[])
(notmuch_keyword_t []){ { "all", true },
{ "sender", false },
{ 0, 0 } } },
{ .opt_bool = &decrypt, .name = "decrypt" },
{ .opt_bool = &decrypt, .name = "decrypt", .present = &decrypt_set },
{ .opt_inherit = notmuch_shared_options },
{ }
};
@ -728,8 +729,8 @@ notmuch_reply_command (notmuch_config_t *config, int argc, char *argv[])
return EXIT_FAILURE;
notmuch_process_shared_options (argv[0]);
if (decrypt)
params.crypto.decrypt = NOTMUCH_DECRYPT_TRUE;
if (decrypt_set)
params.crypto.decrypt = decrypt ? NOTMUCH_DECRYPT_TRUE : NOTMUCH_DECRYPT_FALSE;
notmuch_exit_if_unsupported_format ();

10
test/T357-index-decryption.sh
View file

@ -200,6 +200,16 @@ test_expect_equal \
"$output" \
"$expected"
test_begin_subtest "notmuch reply should show cleartext if session key is present"
output=$(notmuch reply id:simple-encrypted@crypto.notmuchmail.org | grep '^>')
expected='> This is a top sekrit message.'
if [ $NOTMUCH_HAVE_GMIME_SESSION_KEYS -eq 0 ]; then
test_subtest_known_broken
fi
test_expect_equal \
"$output" \
"$expected"
# TODO: test removal of a message from the message store between
# indexing and reindexing.