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if (dc_mimeparser_has_nonmeta(mime_parser))
{
/**********************************************************************
* Add parts
*********************************************************************/
/* collect the rest information, CC: is added to the to-list, BCC: is ignored
(we should not add BCC to groups as this would split groups. We could add them as "known contacts",
however, the benefit is very small and this may leak data that is expected to be hidden) */
if ((field=dc_mimeparser_lookup_field(mime_parser, "Cc"))!=NULL && field->fld_type==MAILIMF_FIELD_CC)
{
struct mailimf_cc* fld_cc = field->fld_data.fld_cc;
if (fld_cc) {
dc_add_or_lookup_contacts_by_address_list(context, fld_cc->cc_addr_list,
outgoing? DC_ORIGIN_OUTGOING_CC : (incoming_origin>=DC_ORIGIN_MIN_VERIFIED? DC_ORIGIN_INCOMING_CC : DC_ORIGIN_INCOMING_UNKNOWN_CC), to_ids, NULL);
}
}
/* get Message-ID; if the header is lacking one, generate one based on fields that do never change.
(missing Message-IDs may come if the mail was set from this account with another client that relies in the SMTP server to generate one.
true eg. for the Webmailer used in all-inkl-KAS) */
if ((field=dc_mimeparser_lookup_field(mime_parser, "Message-ID"))!=NULL && field->fld_type==MAILIMF_FIELD_MESSAGE_ID) {
struct mailimf_message_id* fld_message_id = field->fld_data.fld_message_id;
if (fld_message_id) {
rfc724_mid = dc_strdup(fld_message_id->mid_value);
}
}
if (rfc724_mid==NULL) {
rfc724_mid = dc_create_incoming_rfc724_mid(sent_timestamp, from_id, to_ids);
if (rfc724_mid==NULL) {
dc_log_info(context, 0, "Cannot create Message-ID.");
goto cleanup;
}
}
/* check, if the mail is already in our database - if so, just update the folder/uid (if the mail was moved around) and finish.
(we may get a mail twice eg. if it is moved between folders. make sure, this check is done eg. before securejoin-processing) */
{
char* old_server_folder = NULL;
uint32_t old_server_uid = 0;
if (dc_rfc724_mid_exists(context, rfc724_mid, &old_server_folder, &old_server_uid)) {
if (strcmp(old_server_folder, server_folder)!=0 || old_server_uid!=server_uid) {
dc_sqlite3_rollback(context->sql);
transaction_pending = 0;
dc_update_server_uid(context, rfc724_mid, server_folder, server_uid);
}
free(old_server_folder);
dc_log_info(context, 0, "Message already in DB.");
goto cleanup;
}
}
msgrmsg = mime_parser->is_send_by_messenger; /* 1 or 0 for yes/no */
if (msgrmsg==0 && dc_is_reply_to_messenger_message(context, mime_parser)) {
msgrmsg = 2; /* 2=no, but is reply to messenger message */
}
/* incoming non-chat messages may be discarded;
maybe this can be optimized later,
by checking the state before the message body is downloaded */
int allow_creation = 1;
if (mime_parser->is_system_message==DC_CMD_AUTOCRYPT_SETUP_MESSAGE) {
;
}
else if (msgrmsg==0) {
/* this message is a classic email -
not a chat-message nor a reply to one */
int show_emails = dc_sqlite3_get_config_int(context->sql,
"show_emails", DC_SHOW_EMAILS_DEFAULT);
if (show_emails==DC_SHOW_EMAILS_OFF) {
chat_id = DC_CHAT_ID_TRASH;
allow_creation = 0;
}
else if (show_emails==DC_SHOW_EMAILS_ACCEPTED_CONTACTS) {
allow_creation = 0;
}
}
/* check if the message introduces a new chat:
- outgoing messages introduce a chat with the first to: address if they are sent by a messenger
- incoming messages introduce a chat only for known contacts if they are sent by a messenger
(of course, the user can add other chats manually later) */
if (incoming)
{
state = (flags&DC_IMAP_SEEN)? DC_STATE_IN_SEEN : DC_STATE_IN_FRESH;
to_id = DC_CONTACT_ID_SELF;
// handshake messages must be processed _before_ chats are created
// (eg. contacs may be marked as verified)
if (dc_mimeparser_lookup_field(mime_parser, "Secure-Join")) {
msgrmsg = 1; // avoid discarding by show_emails setting
chat_id = 0;
allow_creation = 1;
dc_sqlite3_commit(context->sql);
int handshake = dc_handle_securejoin_handshake(context, mime_parser, from_id);
if (handshake & DC_HANDSHAKE_STOP_NORMAL_PROCESSING) {
hidden = 1;