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Gmane
From: Daniel Kahn Gillmor <dkg-QLrU/DhXBlmnlhUoGqYIEF6hYfS7NtTn <at> public.gmane.org>
Subject: [PATCH v4 12/16] add --try-decrypt to notmuch new
Newsgroups: gmane.mail.notmuch.general
Date: Friday 8th July 2016 09:27:23 UTC (8 months ago)
Try to decrypt any encrypted parts of newly-discovered messages while
indexing them.  The cleartext of any successfully-decrypted messages
will be indexed, with tags applied in the same form as from notmuch
insert --try-decrypt.

If ~/.notmuch-config contains crypto.gpg_path, and gpg is needed for
indexing, the configuration option will be used to find gpg.
---
 completion/notmuch-completion.bash |  2 +-
 doc/man1/notmuch-new.rst           | 10 ++++++++++
 notmuch-new.c                      | 30 +++++++++++++++++++++++++++++-
 3 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/completion/notmuch-completion.bash
b/completion/notmuch-completion.bash
index 1e4b2cc..a6a5a60 100644
--- a/completion/notmuch-completion.bash
+++ b/completion/notmuch-completion.bash
@@ -247,7 +247,7 @@ _notmuch_new()
 
     case "${cur}" in
 	-*)
-	    local options="--no-hooks --quiet ${_notmuch_shared_options}"
+	    local options="--no-hooks --try-decrypt --quiet
${_notmuch_shared_options}"
 	    compopt -o nospace
 	    COMPREPLY=( $(compgen -W "${options}" -- ${cur}) )
 	    ;;
diff --git a/doc/man1/notmuch-new.rst b/doc/man1/notmuch-new.rst
index 787ed78..cf08021 100644
--- a/doc/man1/notmuch-new.rst
+++ b/doc/man1/notmuch-new.rst
@@ -43,6 +43,16 @@ Supported options for **new** include
     ``--quiet``
         Do not print progress or results.
 
+    ``--try-decrypt``
+
+        For each message, if it is encrypted, try to decrypt it while
+        indexing.  If decryption is successful, index the cleartext
+        itself.  Be aware that the index is likely sufficient to
+        reconstruct the cleartext of the message itself, so please
+        ensure that the notmuch message index is adequately
+        protected. DO NOT USE THIS FLAG without considering the
+        security of your index.
+
 SEE ALSO
 ========
 
diff --git a/notmuch-new.c b/notmuch-new.c
index c55dea7..e495557 100644
--- a/notmuch-new.c
+++ b/notmuch-new.c
@@ -49,6 +49,7 @@ typedef struct {
     size_t new_tags_length;
     const char **new_ignore;
     size_t new_ignore_length;
+    notmuch_indexopts_t *indexopts;
 
     int total_files;
     int processed_files;
@@ -260,7 +261,8 @@ add_file (notmuch_database_t *notmuch, const char
*filename,
     if (status)
 	goto DONE;
 
-    status = notmuch_database_add_message (notmuch, filename, &message);
+    status = notmuch_database_add_message_with_indexopts (notmuch,
filename,
+							  state->indexopts, &message);
     switch (status) {
     /* Success. */
     case NOTMUCH_STATUS_SUCCESS:
@@ -930,6 +932,7 @@ notmuch_new_command (notmuch_config_t *config, int
argc, char *argv[])
     add_files_state_t add_files_state = {
 	.verbosity = VERBOSITY_NORMAL,
 	.debug = FALSE,
+	.indexopts = NULL,
 	.output_is_a_tty = isatty (fileno (stdout)),
     };
     struct timeval tv_start;
@@ -943,6 +946,7 @@ notmuch_new_command (notmuch_config_t *config, int
argc, char *argv[])
     unsigned int i;
     notmuch_bool_t timer_is_active = FALSE;
     notmuch_bool_t no_hooks = FALSE;
+    notmuch_bool_t try_decrypt = FALSE;
     notmuch_bool_t quiet = FALSE, verbose = FALSE;
     notmuch_status_t status;
 
@@ -951,6 +955,7 @@ notmuch_new_command (notmuch_config_t *config, int
argc, char *argv[])
 	{ NOTMUCH_OPT_BOOLEAN,  &verbose, "verbose", 'v', 0 },
 	{ NOTMUCH_OPT_BOOLEAN,  &add_files_state.debug, "debug", 'd', 0 },
 	{ NOTMUCH_OPT_BOOLEAN,  &no_hooks, "no-hooks", 'n', 0 },
+	{ NOTMUCH_OPT_BOOLEAN,  &try_decrypt, "try-decrypt", 0, 0 },
 	{ NOTMUCH_OPT_INHERIT, (void *) ¬much_shared_options, NULL, 0, 0 },
 	{ 0, 0, 0, 0, 0 }
     };
@@ -1068,6 +1073,28 @@ notmuch_new_command (notmuch_config_t *config, int
argc, char *argv[])
     if (notmuch == NULL)
 	return EXIT_FAILURE;
 
+    add_files_state.indexopts = notmuch_indexopts_create ();
+    if (!add_files_state.indexopts) {
+	fprintf (stderr, "Error: could not create index options.\n");
+	return EXIT_FAILURE;
+    }
+    status = notmuch_indexopts_set_try_decrypt (add_files_state.indexopts,
try_decrypt);
+    if (status != NOTMUCH_STATUS_SUCCESS) {
+	fprintf (stderr, "Error: Failed to set try_decrypt to %s. (%s)\n",
+		 try_decrypt ? "True" : "False", notmuch_status_to_string (status));
+	notmuch_indexopts_destroy (add_files_state.indexopts);
+	return EXIT_FAILURE;
+    }
+    if (try_decrypt) {
+	const char* gpg_path = notmuch_config_get_crypto_gpg_path (config);
+	status = notmuch_indexopts_set_gpg_path (add_files_state.indexopts,
gpg_path);
+	if (status)
+	    fprintf (stderr, "Warning: failed to set database gpg_path to '%s'
(%s)\n",
+		     gpg_path ? gpg_path : "(NULL)",
+		     notmuch_status_to_string (status));
+    }
+
+    
     /* Set up our handler for SIGINT. We do this after having
      * potentially done a database upgrade we this interrupt handler
      * won't support. */
@@ -1151,5 +1178,6 @@ notmuch_new_command (notmuch_config_t *config, int
argc, char *argv[])
     if (!no_hooks && !ret && !interrupted)
 	ret = notmuch_run_hook (db_path, "post-new");
 
+    notmuch_indexopts_destroy (add_files_state.indexopts);
     return ret || interrupted ? EXIT_FAILURE : EXIT_SUCCESS;
 }
-- 
2.8.1

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