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RRTcodebaseC

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set_error(factory, "Invalid use of mimefactory-object.");
goto cleanup;
}
/* create basic mail
*************************************************************************/
{
struct mailimf_mailbox_list* from = mailimf_mailbox_list_new_empty();
mailimf_mailbox_list_add(from, mailimf_mailbox_new(factory->from_displayname? dc_encode_header_words(factory->from_displayname) : NULL, dc_strdup(factory->from_addr)));
struct mailimf_address_list* to = NULL;
if (factory->recipients_names && factory->recipients_addr && clist_count(factory->recipients_addr)>0) {
clistiter *iter1, *iter2;
to = mailimf_address_list_new_empty();
for (iter1=clist_begin(factory->recipients_names),iter2=clist_begin(factory->recipients_addr); iter1!=NULL&&iter2!=NULL; iter1=clist_next(iter1),iter2=clist_next(iter2)) {
const char* name = clist_content(iter1);
const char* addr = clist_content(iter2);
mailimf_address_list_add(to, mailimf_address_new(MAILIMF_ADDRESS_MAILBOX, mailimf_mailbox_new(name? dc_encode_header_words(name) : NULL, dc_strdup(addr)), NULL));
}
}
clist* references_list = NULL;
if (factory->references && factory->references[0]) {
references_list = dc_str_to_clist(factory->references, " ");
}
clist* in_reply_to_list = NULL;
if (factory->in_reply_to && factory->in_reply_to[0]) {
in_reply_to_list = dc_str_to_clist(factory->in_reply_to, " ");
}
imf_fields = mailimf_fields_new_with_data_all(mailimf_get_date(factory->timestamp), from,
NULL /* sender */, NULL /* reply-to */,
to, NULL /* cc */, NULL /* bcc */, dc_strdup(factory->rfc724_mid), in_reply_to_list,
references_list /* references */,
NULL /* subject set later */);
/* Add a X-Mailer header. This is only informational for debugging and may be removed in the release.
We do not rely on this header as it may be removed by MTAs. */
mailimf_fields_add(imf_fields, mailimf_field_new_custom(strdup("X-Mailer"),
dc_mprintf("Delta Chat Core %s%s%s",
DC_VERSION_STR,
factory->context->os_name? "/" : "",
factory->context->os_name? factory->context->os_name : "")));
mailimf_fields_add(imf_fields, mailimf_field_new_custom(strdup("Chat-Version"), strdup("1.0"))); /* mark message as being sent by a messenger */
if (factory->req_mdn) {
/* we use "Chat-Disposition-Notification-To" as replies to "Disposition-Notification-To" are weird in many cases, are just freetext and/or do not follow any standard. */
mailimf_fields_add(imf_fields, mailimf_field_new_custom(strdup("Chat-Disposition-Notification-To"), strdup(factory->from_addr)));
}
message = mailmime_new_message_data(NULL);
mailmime_set_imf_fields(message, imf_fields);
}
if (factory->loaded==DC_MF_MSG_LOADED)
{
/* Render a normal message
*********************************************************************/
dc_chat_t* chat = factory->chat;
dc_msg_t* msg = factory->msg;
struct mailmime* meta_part = NULL;
char* placeholdertext = NULL;
if (chat->type==DC_CHAT_TYPE_VERIFIED_GROUP) {
mailimf_fields_add(imf_fields, mailimf_field_new_custom(strdup("Chat-Verified"), strdup("1")));
force_plaintext = 0;
e2ee_guaranteed = 1;
min_verified = DC_BIDIRECT_VERIFIED;
}
else {
if ((force_plaintext = dc_param_get_int(factory->msg->param, DC_PARAM_FORCE_PLAINTEXT, 0))==0) {
e2ee_guaranteed = dc_param_get_int(factory->msg->param, DC_PARAM_GUARANTEE_E2EE, 0);
}
}
// beside key- and member-changes, force re-gossip every 48 hours
#define AUTO_REGOSSIP (2*24*60*60)
if (chat->gossiped_timestamp==0
|| chat->gossiped_timestamp+AUTO_REGOSSIP < time(NULL) ) {
do_gossip = 1;
}
/* build header etc. */
int command = dc_param_get_int(msg->param, DC_PARAM_CMD, 0);
if (DC_CHAT_TYPE_IS_MULTI(chat->type))
{
mailimf_fields_add(imf_fields, mailimf_field_new_custom(strdup("Chat-Group-ID"), dc_strdup(chat->grpid)));
mailimf_fields_add(imf_fields, mailimf_field_new_custom(strdup("Chat-Group-Name"), dc_encode_header_words(chat->name)));
if (command==DC_CMD_MEMBER_REMOVED_FROM_GROUP)
{
char* email_to_remove = dc_param_get(msg->param, DC_PARAM_CMD_ARG, NULL);
if (email_to_remove) {
mailimf_fields_add(imf_fields, mailimf_field_new_custom(strdup("Chat-Group-Member-Removed"), email_to_remove));