[PATCH v2 05/17] cli/show: emit payload subject instead of outside subject

[Daniel Kahn Gillmor]

Correctly fix the two outstanding tests so that the protected (hidden)
subject is properly reported.

Signed-off-by: Daniel Kahn Gillmor <dkg at fifthhorseman.net>
---
 notmuch-client.h               |  2 +-
 notmuch-reply.c                |  4 +++-
 notmuch-show.c                 | 14 +++++++++-----
 test/T356-protected-headers.sh |  2 --
 4 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/notmuch-client.h b/notmuch-client.h
index a82cb431..39e26f2e 100644
--- a/notmuch-client.h
+++ b/notmuch-client.h
@@ -232,7 +232,7 @@ format_part_sprinter (const void *ctx, struct sprinter *sp, mime_node_t *node,
 
 void
 format_headers_sprinter (struct sprinter *sp, GMimeMessage *message,
-			 bool reply);
+			 bool reply, const _notmuch_message_crypto_t *msg_crypto);
 
 typedef enum {
     NOTMUCH_SHOW_TEXT_PART_REPLY = 1 << 0,
diff --git a/notmuch-reply.c b/notmuch-reply.c
index 7f284229..2689b247 100644
--- a/notmuch-reply.c
+++ b/notmuch-reply.c
@@ -663,7 +663,9 @@ static int do_reply(notmuch_config_t *config,
 
 	    /* The headers of the reply message we've created */
 	    sp->map_key (sp, "reply-headers");
-	    format_headers_sprinter (sp, reply, true);
+	    /* FIXME: send msg_crypto here to avoid killing the
+	     * subject line on reply to encrypted messages! */
+	    format_headers_sprinter (sp, reply, true, NULL);
 
 	    /* Start the original */
 	    sp->map_key (sp, "original");
diff --git a/notmuch-show.c b/notmuch-show.c
index 0816a5e1..b1f6a4bb 100644
--- a/notmuch-show.c
+++ b/notmuch-show.c
@@ -197,7 +197,7 @@ _is_from_line (const char *line)
 
 void
 format_headers_sprinter (sprinter_t *sp, GMimeMessage *message,
-			 bool reply)
+			 bool reply, const _notmuch_message_crypto_t *msg_crypto)
 {
     /* Any changes to the JSON or S-Expression format should be
      * reflected in the file devel/schemata. */
@@ -209,7 +209,10 @@ format_headers_sprinter (sprinter_t *sp, GMimeMessage *message,
     sp->begin_map (sp);
 
     sp->map_key (sp, "Subject");
-    sp->string (sp, g_mime_message_get_subject (message));
+    if (msg_crypto && msg_crypto->payload_subject) {
+	sp->string (sp, msg_crypto->payload_subject);
+    } else
+	sp->string (sp, g_mime_message_get_subject (message));
 
     sp->map_key (sp, "From");
     sp->string (sp, g_mime_message_get_from_string (message));
@@ -616,6 +619,7 @@ format_part_sprinter (const void *ctx, sprinter_t *sp, mime_node_t *node,
      * reflected in the file devel/schemata. */
 
     if (node->envelope_file) {
+	const _notmuch_message_crypto_t *msg_crypto = NULL;
 	sp->begin_map (sp);
 	format_message_sprinter (sp, node->envelope_file);
 
@@ -626,8 +630,8 @@ format_part_sprinter (const void *ctx, sprinter_t *sp, mime_node_t *node,
 	    sp->end (sp);
 	}
 
+	msg_crypto = mime_node_get_message_crypto_status (node);
 	if (notmuch_format_version >= 4) {
-	    const _notmuch_message_crypto_t *msg_crypto = mime_node_get_message_crypto_status (node);
 	    sp->map_key (sp, "crypto");
 	    sp->begin_map (sp);
 	    if (msg_crypto->sig_list ||
@@ -655,7 +659,7 @@ format_part_sprinter (const void *ctx, sprinter_t *sp, mime_node_t *node,
 	}
 
 	sp->map_key (sp, "headers");
-	format_headers_sprinter (sp, GMIME_MESSAGE (node->part), false);
+	format_headers_sprinter (sp, GMIME_MESSAGE (node->part), false, msg_crypto);
 
 	sp->end (sp);
 	return;
@@ -748,7 +752,7 @@ format_part_sprinter (const void *ctx, sprinter_t *sp, mime_node_t *node,
 	sp->begin_map (sp);
 
 	sp->map_key (sp, "headers");
-	format_headers_sprinter (sp, GMIME_MESSAGE (node->part), false);
+	format_headers_sprinter (sp, GMIME_MESSAGE (node->part), false, NULL);
 
 	sp->map_key (sp, "body");
 	sp->begin_list (sp);
diff --git a/test/T356-protected-headers.sh b/test/T356-protected-headers.sh
index 599ff1ed..8a8fef6a 100755
--- a/test/T356-protected-headers.sh
+++ b/test/T356-protected-headers.sh
@@ -21,7 +21,6 @@ test_json_nodes <<<"$output" \
 
 test_begin_subtest "verify protected header is visible with decryption"
 output=$(notmuch show --decrypt=true --format=json id:protected-header at crypto.notmuchmail.org)
-test_subtest_known_broken
 test_json_nodes <<<"$output" \
                 'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
                 'subject:[0][0][0]["headers"]["Subject"]="This is a protected header"'
@@ -58,7 +57,6 @@ test_json_nodes <<<"$output" \
 
 test_begin_subtest "verify nested message/rfc822 protected header is visible"
 output=$(notmuch show --decrypt=true --format=json id:nested-rfc822-message at crypto.notmuchmail.org)
-test_subtest_known_broken
 test_json_nodes <<<"$output" \
                 'crypto:[0][0][0]["crypto"]={"decrypted": {"status": "full"}}' \
                 'subject:[0][0][0]["headers"]["Subject"]="This is a message using draft-melnikov-smime-header-signing"'
-- 
2.20.1