+/* descend (if desired) into the cleartext part of an encrypted MIME
+ * part while indexing. */
+static void
+_index_encrypted_mime_part (notmuch_message_t *message,
+ notmuch_indexopts_t *indexopts,
+ g_mime_3_unused(GMimeContentType *content_type),
+ GMimeMultipartEncrypted *encrypted_data)
+{
+ notmuch_status_t status;
+ GError *err = NULL;
+ notmuch_database_t * notmuch = NULL;
+ GMimeObject *clear = NULL;
+
+ if (!indexopts || (notmuch_indexopts_get_decrypt_policy (indexopts) == NOTMUCH_DECRYPT_FALSE))
+ return;
+
+ notmuch = notmuch_message_get_database (message);
+
+ GMimeCryptoContext* crypto_ctx = NULL;
+#if (GMIME_MAJOR_VERSION < 3)
+ {
+ const char *protocol = NULL;
+ protocol = g_mime_content_type_get_parameter (content_type, "protocol");
+ status = _notmuch_crypto_get_gmime_ctx_for_protocol (&(indexopts->crypto),
+ protocol, &crypto_ctx);
+ if (status) {
+ _notmuch_database_log (notmuch, "Warning: setup failed for decrypting "
+ "during indexing. (%d)\n", status);
+ status = notmuch_message_add_property (message, "index.decryption", "failure");
+ if (status)
+ _notmuch_database_log_append (notmuch, "failed to add index.decryption "
+ "property (%d)\n", status);
+ return;
+ }
+ }
+#endif
+ bool attempted = false;
+ GMimeDecryptResult *decrypt_result = NULL;
+ bool get_sk = (HAVE_GMIME_SESSION_KEYS && notmuch_indexopts_get_decrypt_policy (indexopts) == NOTMUCH_DECRYPT_TRUE);
+ clear = _notmuch_crypto_decrypt (&attempted, notmuch_indexopts_get_decrypt_policy (indexopts),
+ message, crypto_ctx, encrypted_data, get_sk ? &decrypt_result : NULL, &err);
+ if (!attempted)
+ return;
+ if (err || !clear) {
+ if (decrypt_result)
+ g_object_unref (decrypt_result);
+ if (err) {
+ _notmuch_database_log (notmuch, "Failed to decrypt during indexing. (%d:%d) [%s]\n",
+ err->domain, err->code, err->message);
+ g_error_free(err);
+ } else {
+ _notmuch_database_log (notmuch, "Failed to decrypt during indexing. (unknown error)\n");
+ }
+ /* Indicate that we failed to decrypt during indexing */
+ status = notmuch_message_add_property (message, "index.decryption", "failure");
+ if (status)
+ _notmuch_database_log_append (notmuch, "failed to add index.decryption "
+ "property (%d)\n", status);
+ return;
+ }
+ if (decrypt_result) {
+#if HAVE_GMIME_SESSION_KEYS
+ if (get_sk) {
+ status = notmuch_message_add_property (message, "session-key",
+ g_mime_decrypt_result_get_session_key (decrypt_result));
+ if (status)
+ _notmuch_database_log (notmuch, "failed to add session-key "
+ "property (%d)\n", status);
+ }
+#endif
+ g_object_unref (decrypt_result);
+ }
+ _index_mime_part (message, indexopts, clear);
+ g_object_unref (clear);
+
+ status = notmuch_message_add_property (message, "index.decryption", "success");
+ if (status)
+ _notmuch_database_log (notmuch, "failed to add index.decryption "
+ "property (%d)\n", status);
+
+}
+