1 /* notmuch - Not much of an email program, (just index and search)
3 * Copyright © 2009 Carl Worth
4 * Copyright © 2009 Keith Packard
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see http://www.gnu.org/licenses/ .
19 * Authors: Carl Worth <cworth@cworth.org>
20 * Keith Packard <keithp@keithp.com>
23 #include "notmuch-client.h"
25 typedef struct show_message_state {
28 } show_message_state_t;
31 show_message_part (GMimeObject *part,
32 show_message_state_t *state,
33 const notmuch_show_format_t *format,
34 notmuch_show_params_t *params,
38 state->part_count += 1;
40 if (! (GMIME_IS_PART (part) || GMIME_IS_MULTIPART (part) || GMIME_IS_MESSAGE_PART (part))) {
41 fprintf (stderr, "Warning: Not displaying unknown mime part: %s.\n",
42 g_type_name (G_OBJECT_TYPE (part)));
46 selected = (params->part <= 0 || state->part_count == params->part);
48 if (selected || state->in_zone) {
49 if (!first && (params->part <= 0 || state->in_zone))
50 fputs (format->part_sep, stdout);
52 if (format->part_start)
53 format->part_start (part, &(state->part_count));
56 /* handle PGP/MIME parts */
57 if (GMIME_IS_MULTIPART (part) && params->cryptoctx) {
58 GMimeMultipart *multipart = GMIME_MULTIPART (part);
61 if (GMIME_IS_MULTIPART_ENCRYPTED (part) && params->decrypt)
63 if ( g_mime_multipart_get_count (multipart) != 2 ) {
64 /* this violates RFC 3156 section 4, so we won't bother with it. */
66 "Error: %d part(s) for a multipart/encrypted message (should be exactly 2)\n",
67 g_mime_multipart_get_count (multipart));
69 GMimeMultipartEncrypted *encrypteddata = GMIME_MULTIPART_ENCRYPTED (part);
70 GMimeObject *decryptedpart = g_mime_multipart_encrypted_decrypt (encrypteddata, params->cryptoctx, &err);
72 if ((selected || state->in_zone) && format->part_encstatus)
73 format->part_encstatus (1);
74 const GMimeSignatureValidity *sigvalidity = g_mime_multipart_encrypted_get_signature_validity (encrypteddata);
76 fprintf (stderr, "Failed to verify signed part: %s\n", (err ? err->message : "no error explanation given"));
77 if ((selected || state->in_zone) && format->part_sigstatus)
78 format->part_sigstatus (sigvalidity);
79 /* swap the part with the decrypted part */
82 fprintf (stderr, "Failed to decrypt part: %s\n", (err ? err->message : "no error explanation given"));
83 if ((selected || state->in_zone) && format->part_encstatus)
84 format->part_encstatus (0);
88 else if (GMIME_IS_MULTIPART_SIGNED (part))
90 if ( g_mime_multipart_get_count (multipart) != 2 ) {
91 /* this violates RFC 3156 section 5, so we won't bother with it. */
93 "Error: %d part(s) for a multipart/signed message (should be exactly 2)\n",
94 g_mime_multipart_get_count (multipart));
96 /* For some reason the GMimeSignatureValidity returned
97 * here is not a const (inconsistent with that
99 * g_mime_multipart_encrypted_get_signature_validity,
100 * and therefore needs to be properly disposed of.
101 * Hopefully the API will become more consistent. */
102 GMimeSignatureValidity *sigvalidity = g_mime_multipart_signed_verify (GMIME_MULTIPART_SIGNED (part), params->cryptoctx, &err);
104 fprintf (stderr, "Failed to verify signed part: %s\n", (err ? err->message : "no error explanation given"));
106 if ((selected || state->in_zone) && format->part_sigstatus)
107 format->part_sigstatus (sigvalidity);
109 g_mime_signature_validity_free (sigvalidity);
116 /* end handle PGP/MIME parts */
118 if (selected || state->in_zone)
119 format->part_content (part);
121 if (GMIME_IS_MULTIPART (part)) {
122 GMimeMultipart *multipart = GMIME_MULTIPART (part);
128 for (i = 0; i < g_mime_multipart_get_count (multipart); i++) {
129 show_message_part (g_mime_multipart_get_part (multipart, i),
130 state, format, params, i == 0);
136 } else if (GMIME_IS_MESSAGE_PART (part)) {
137 GMimeMessage *mime_message = g_mime_message_part_get_message (GMIME_MESSAGE_PART (part));
142 show_message_part (g_mime_message_get_mime_part (mime_message),
143 state, format, params, TRUE);
149 if (selected || state->in_zone) {
150 if (format->part_end)
151 format->part_end (part);
156 show_message_body (const char *filename,
157 const notmuch_show_format_t *format,
158 notmuch_show_params_t *params)
160 GMimeStream *stream = NULL;
161 GMimeParser *parser = NULL;
162 GMimeMessage *mime_message = NULL;
163 notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
165 show_message_state_t state;
167 state.part_count = 0;
170 file = fopen (filename, "r");
172 fprintf (stderr, "Error opening %s: %s\n", filename, strerror (errno));
173 ret = NOTMUCH_STATUS_FILE_ERROR;
177 stream = g_mime_stream_file_new (file);
178 g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream), FALSE);
180 parser = g_mime_parser_new_with_stream (stream);
182 mime_message = g_mime_parser_construct_message (parser);
184 show_message_part (g_mime_message_get_mime_part (mime_message),
192 g_object_unref (mime_message);
195 g_object_unref (parser);
198 g_object_unref (stream);