#include "notmuch-client.h"
+typedef struct show_message_state {
+ int part_count;
+ int in_zone;
+} show_message_state_t;
+
static void
-show_message_part (GMimeObject *part, int *part_count,
- void (*show_part) (GMimeObject *part, int *part_count))
+show_message_part (GMimeObject *part,
+ show_message_state_t *state,
+ const notmuch_show_format_t *format,
+ notmuch_show_params_t *params,
+ int first)
{
- *part_count = *part_count + 1;
+ GMimeObject *decryptedpart = NULL;
+ int selected;
+ state->part_count += 1;
+
+ if (! (GMIME_IS_PART (part) || GMIME_IS_MULTIPART (part) || GMIME_IS_MESSAGE_PART (part))) {
+ fprintf (stderr, "Warning: Not displaying unknown mime part: %s.\n",
+ g_type_name (G_OBJECT_TYPE (part)));
+ return;
+ }
+
+ selected = (params->part <= 0 || state->part_count == params->part);
+
+ if (selected || state->in_zone) {
+ if (!first && (params->part <= 0 || state->in_zone))
+ fputs (format->part_sep, stdout);
+
+ if (format->part_start)
+ format->part_start (part, &(state->part_count));
+ }
+
+ /* handle PGP/MIME parts */
+ if (GMIME_IS_MULTIPART (part) && params->cryptoctx) {
+ GMimeMultipart *multipart = GMIME_MULTIPART (part);
+ GError* err = NULL;
+
+ if (GMIME_IS_MULTIPART_ENCRYPTED (part) && params->decrypt)
+ {
+ if ( g_mime_multipart_get_count (multipart) != 2 ) {
+ /* this violates RFC 3156 section 4, so we won't bother with it. */
+ fprintf (stderr,
+ "Error: %d part(s) for a multipart/encrypted message (should be exactly 2)\n",
+ g_mime_multipart_get_count (multipart));
+ } else {
+ GMimeMultipartEncrypted *encrypteddata = GMIME_MULTIPART_ENCRYPTED (part);
+ decryptedpart = g_mime_multipart_encrypted_decrypt (encrypteddata, params->cryptoctx, &err);
+ if (decryptedpart) {
+ if ((selected || state->in_zone) && format->part_encstatus)
+ format->part_encstatus (1);
+ const GMimeSignatureValidity *sigvalidity = g_mime_multipart_encrypted_get_signature_validity (encrypteddata);
+ if (!sigvalidity)
+ fprintf (stderr, "Failed to verify signed part: %s\n", (err ? err->message : "no error explanation given"));
+ if ((selected || state->in_zone) && format->part_sigstatus)
+ format->part_sigstatus (sigvalidity);
+ } else {
+ fprintf (stderr, "Failed to decrypt part: %s\n", (err ? err->message : "no error explanation given"));
+ if ((selected || state->in_zone) && format->part_encstatus)
+ format->part_encstatus (0);
+ }
+ }
+ }
+ else if (GMIME_IS_MULTIPART_SIGNED (part))
+ {
+ if ( g_mime_multipart_get_count (multipart) != 2 ) {
+ /* this violates RFC 3156 section 5, so we won't bother with it. */
+ fprintf (stderr,
+ "Error: %d part(s) for a multipart/signed message (should be exactly 2)\n",
+ g_mime_multipart_get_count (multipart));
+ } else {
+ /* For some reason the GMimeSignatureValidity returned
+ * here is not a const (inconsistent with that
+ * returned by
+ * g_mime_multipart_encrypted_get_signature_validity,
+ * and therefore needs to be properly disposed of.
+ * Hopefully the API will become more consistent. */
+ GMimeSignatureValidity *sigvalidity = g_mime_multipart_signed_verify (GMIME_MULTIPART_SIGNED (part), params->cryptoctx, &err);
+ if (!sigvalidity) {
+ fprintf (stderr, "Failed to verify signed part: %s\n", (err ? err->message : "no error explanation given"));
+ }
+ if ((selected || state->in_zone) && format->part_sigstatus)
+ format->part_sigstatus (sigvalidity);
+ if (sigvalidity)
+ g_mime_signature_validity_free (sigvalidity);
+ }
+ }
+
+ if (err)
+ g_error_free (err);
+ }
+ /* end handle PGP/MIME parts */
+
+ if (selected || state->in_zone)
+ format->part_content (part);
if (GMIME_IS_MULTIPART (part)) {
GMimeMultipart *multipart = GMIME_MULTIPART (part);
int i;
- for (i = 0; i < g_mime_multipart_get_count (multipart); i++) {
- if (GMIME_IS_MULTIPART_SIGNED (multipart)) {
- /* Don't index the signature. */
- if (i == 1)
- continue;
- if (i > 1)
- fprintf (stderr, "Warning: Unexpected extra parts of multipart/signed. Continuing.\n");
+ if (selected)
+ state->in_zone = 1;
+
+ if (decryptedpart) {
+ /* We emit the useless application/pgp-encrypted version
+ * part here only to keep the emitted output as consistent
+ * as possible between decrypted output and the
+ * unprocessed multipart/mime. For some strange reason,
+ * the actual encrypted data is the second part of the
+ * multipart. */
+ show_message_part (g_mime_multipart_get_part (multipart, 0), state, format, params, TRUE);
+ show_message_part (decryptedpart, state, format, params, FALSE);
+ } else {
+ for (i = 0; i < g_mime_multipart_get_count (multipart); i++) {
+ show_message_part (g_mime_multipart_get_part (multipart, i),
+ state, format, params, i == 0);
}
- show_message_part (g_mime_multipart_get_part (multipart, i),
- part_count, show_part);
}
- return;
- }
- if (GMIME_IS_MESSAGE_PART (part)) {
- GMimeMessage *mime_message;
+ if (selected)
+ state->in_zone = 0;
+
+ } else if (GMIME_IS_MESSAGE_PART (part)) {
+ GMimeMessage *mime_message = g_mime_message_part_get_message (GMIME_MESSAGE_PART (part));
+
+ if (selected)
+ state->in_zone = 1;
+
+ if (selected || (!selected && state->in_zone)) {
+ fputs (format->header_start, stdout);
+ if (format->header_message_part)
+ format->header_message_part (mime_message);
+ fputs (format->header_end, stdout);
- mime_message = g_mime_message_part_get_message (GMIME_MESSAGE_PART (part));
+ fputs (format->body_start, stdout);
+ }
show_message_part (g_mime_message_get_mime_part (mime_message),
- part_count, show_part);
+ state, format, params, TRUE);
- return;
- }
+ if (selected || (!selected && state->in_zone))
+ fputs (format->body_end, stdout);
- if (! (GMIME_IS_PART (part))) {
- fprintf (stderr, "Warning: Not displaying unknown mime part: %s.\n",
- g_type_name (G_OBJECT_TYPE (part)));
- return;
+ if (selected)
+ state->in_zone = 0;
}
- (*show_part) (part, part_count);
+ if (selected || state->in_zone) {
+ if (format->part_end)
+ format->part_end (part);
+ }
}
notmuch_status_t
show_message_body (const char *filename,
- void (*show_part) (GMimeObject *part, int *part_count))
+ const notmuch_show_format_t *format,
+ notmuch_show_params_t *params)
{
GMimeStream *stream = NULL;
GMimeParser *parser = NULL;
GMimeMessage *mime_message = NULL;
notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
FILE *file = NULL;
- int part_count = 0;
+ show_message_state_t state;
+
+ state.part_count = 0;
+ state.in_zone = 0;
file = fopen (filename, "r");
if (! file) {
mime_message = g_mime_parser_construct_message (parser);
show_message_part (g_mime_message_get_mime_part (mime_message),
- &part_count, show_part);
+ &state,
+ format,
+ params,
+ TRUE);
DONE:
if (mime_message)
projects / notmuch / blobdiff