Files
chatmail-core/src/dc_mimefactory.rs
2019-08-17 11:30:26 +02:00

1324 lines
54 KiB
Rust

use std::ffi::CString;
use chrono::TimeZone;
use mmime::mailimf_types::*;
use mmime::mailimf_types_helper::*;
use mmime::mailmime_disposition::*;
use mmime::mailmime_types::*;
use mmime::mailmime_types_helper::*;
use mmime::mailmime_write_mem::*;
use mmime::mmapstring::*;
use mmime::other::*;
use crate::chat::*;
use crate::constants::*;
use crate::contact::*;
use crate::context::{dc_get_version_str, Context};
use crate::dc_e2ee::*;
use crate::dc_location::*;
use crate::dc_msg::*;
use crate::dc_strencode::*;
use crate::dc_tools::*;
use crate::param::*;
use crate::stock::StockMessage;
use crate::types::*;
use crate::x::*;
#[derive(Copy, Clone)]
#[repr(C)]
#[allow(non_camel_case_types)]
pub struct dc_mimefactory_t<'a> {
pub from_addr: *mut libc::c_char,
pub from_displayname: *mut libc::c_char,
pub selfstatus: *mut libc::c_char,
pub recipients_names: *mut clist,
pub recipients_addr: *mut clist,
pub timestamp: i64,
pub rfc724_mid: *mut libc::c_char,
pub loaded: dc_mimefactory_loaded_t,
pub msg: *mut dc_msg_t<'a>,
pub chat: *mut Chat<'a>,
pub increation: libc::c_int,
pub in_reply_to: *mut libc::c_char,
pub references: *mut libc::c_char,
pub req_mdn: libc::c_int,
pub out: *mut MMAPString,
pub out_encrypted: libc::c_int,
pub out_gossiped: libc::c_int,
pub out_last_added_location_id: uint32_t,
pub error: *mut libc::c_char,
pub context: &'a Context,
}
#[allow(non_camel_case_types)]
type dc_mimefactory_loaded_t = libc::c_uint;
const DC_MF_MDN_LOADED: dc_mimefactory_loaded_t = 2;
pub const DC_MF_MSG_LOADED: dc_mimefactory_loaded_t = 1;
pub const DC_MF_NOTHING_LOADED: dc_mimefactory_loaded_t = 0;
pub unsafe fn dc_mimefactory_init<'a>(factory: *mut dc_mimefactory_t<'a>, context: &'a Context) {
if factory.is_null() {
return;
}
memset(
factory as *mut libc::c_void,
0,
::std::mem::size_of::<dc_mimefactory_t>(),
);
(*factory).context = context;
}
pub unsafe fn dc_mimefactory_empty(mut factory: *mut dc_mimefactory_t) {
if factory.is_null() {
return;
}
free((*factory).from_addr as *mut libc::c_void);
(*factory).from_addr = 0 as *mut libc::c_char;
free((*factory).from_displayname as *mut libc::c_void);
(*factory).from_displayname = 0 as *mut libc::c_char;
free((*factory).selfstatus as *mut libc::c_void);
(*factory).selfstatus = 0 as *mut libc::c_char;
free((*factory).rfc724_mid as *mut libc::c_void);
(*factory).rfc724_mid = 0 as *mut libc::c_char;
if !(*factory).recipients_names.is_null() {
clist_free_content((*factory).recipients_names);
clist_free((*factory).recipients_names);
(*factory).recipients_names = 0 as *mut clist
}
if !(*factory).recipients_addr.is_null() {
clist_free_content((*factory).recipients_addr);
clist_free((*factory).recipients_addr);
(*factory).recipients_addr = 0 as *mut clist
}
dc_msg_unref((*factory).msg);
(*factory).msg = 0 as *mut dc_msg_t;
dc_chat_unref((*factory).chat);
(*factory).chat = 0 as *mut Chat;
free((*factory).in_reply_to as *mut libc::c_void);
(*factory).in_reply_to = 0 as *mut libc::c_char;
free((*factory).references as *mut libc::c_void);
(*factory).references = 0 as *mut libc::c_char;
if !(*factory).out.is_null() {
mmap_string_free((*factory).out);
(*factory).out = 0 as *mut MMAPString
}
(*factory).out_encrypted = 0;
(*factory).loaded = DC_MF_NOTHING_LOADED;
free((*factory).error as *mut libc::c_void);
(*factory).error = 0 as *mut libc::c_char;
(*factory).timestamp = 0;
}
pub unsafe fn dc_mimefactory_load_msg(
mut factory: *mut dc_mimefactory_t,
msg_id: uint32_t,
) -> libc::c_int {
if factory.is_null() || msg_id <= 9 || !(*factory).msg.is_null() {
return 0;
}
let mut success = 0;
/*call empty() before */
let context = (*factory).context;
(*factory).recipients_names = clist_new();
(*factory).recipients_addr = clist_new();
(*factory).msg = dc_msg_new_untyped(context);
(*factory).chat = dc_chat_new(context);
if dc_msg_load_from_db((*factory).msg, context, msg_id)
&& dc_chat_load_from_db((*factory).chat, (*(*factory).msg).chat_id)
{
load_from(factory);
(*factory).req_mdn = 0;
if 0 != dc_chat_is_self_talk((*factory).chat) {
clist_insert_after(
(*factory).recipients_names,
(*(*factory).recipients_names).last,
dc_strdup_keep_null((*factory).from_displayname) as *mut libc::c_void,
);
clist_insert_after(
(*factory).recipients_addr,
(*(*factory).recipients_addr).last,
dc_strdup((*factory).from_addr) as *mut libc::c_void,
);
} else {
context
.sql
.query_map(
"SELECT c.authname, c.addr \
FROM chats_contacts cc \
LEFT JOIN contacts c ON cc.contact_id=c.id \
WHERE cc.chat_id=? AND cc.contact_id>9;",
params![(*(*factory).msg).chat_id as i32],
|row| {
let authname: String = row.get(0)?;
let addr: String = row.get(1)?;
Ok((authname, addr))
},
|rows| {
for row in rows {
let (authname, addr) = row?;
let addr_c = addr.strdup();
if clist_search_string_nocase((*factory).recipients_addr, addr_c) == 0 {
clist_insert_after(
(*factory).recipients_names,
(*(*factory).recipients_names).last,
if !authname.is_empty() {
authname.strdup()
} else {
std::ptr::null_mut()
} as *mut libc::c_void,
);
clist_insert_after(
(*factory).recipients_addr,
(*(*factory).recipients_addr).last,
addr_c as *mut libc::c_void,
);
}
}
Ok(())
},
)
.unwrap();
let command = (*(*factory).msg)
.param
.get_int(Param::Cmd)
.unwrap_or_default();
if command == 5 {
let email_to_remove = (*(*factory).msg).param.get(Param::Arg).unwrap_or_default();
let email_to_remove_c = email_to_remove.strdup();
let self_addr = context
.sql
.get_config(context, "configured_addr")
.unwrap_or_default();
if !email_to_remove.is_empty() && email_to_remove != self_addr {
if clist_search_string_nocase((*factory).recipients_addr, email_to_remove_c)
== 0
{
clist_insert_after(
(*factory).recipients_names,
(*(*factory).recipients_names).last,
0 as *mut libc::c_void,
);
clist_insert_after(
(*factory).recipients_addr,
(*(*factory).recipients_addr).last,
email_to_remove_c as *mut libc::c_void,
);
}
}
}
if command != 6
&& command != 7
&& 0 != context
.sql
.get_config_int(context, "mdns_enabled")
.unwrap_or_else(|| 1)
{
(*factory).req_mdn = 1
}
}
let row = context.sql.query_row(
"SELECT mime_in_reply_to, mime_references FROM msgs WHERE id=?",
params![(*(*factory).msg).id as i32],
|row| {
let in_reply_to: String = row.get(0)?;
let references: String = row.get(1)?;
Ok((in_reply_to, references))
},
);
match row {
Ok((in_reply_to, references)) => {
(*factory).in_reply_to = in_reply_to.strdup();
(*factory).references = references.strdup();
}
Err(err) => {
error!(
context,
0, "mimefactory: failed to load mime_in_reply_to: {:?}", err
);
}
}
success = 1;
(*factory).loaded = DC_MF_MSG_LOADED;
(*factory).timestamp = (*(*factory).msg).timestamp_sort;
(*factory).rfc724_mid = dc_strdup((*(*factory).msg).rfc724_mid)
}
if 0 != success {
(*factory).increation = dc_msg_is_increation((*factory).msg)
}
success
}
unsafe fn load_from(mut factory: *mut dc_mimefactory_t) {
let context = (*factory).context;
(*factory).from_addr = context
.sql
.get_config(context, "configured_addr")
.unwrap_or_default()
.strdup();
(*factory).from_displayname = context
.sql
.get_config(context, "displayname")
.unwrap_or_default()
.strdup();
(*factory).selfstatus = context
.sql
.get_config(context, "selfstatus")
.unwrap_or_default()
.strdup();
if (*factory).selfstatus.is_null() {
(*factory).selfstatus = (*factory)
.context
.stock_str(StockMessage::StatusLine)
.strdup();
};
}
pub unsafe fn dc_mimefactory_load_mdn(
mut factory: *mut dc_mimefactory_t,
msg_id: uint32_t,
) -> libc::c_int {
if factory.is_null() {
return 0;
}
let mut success = 0;
(*factory).recipients_names = clist_new();
(*factory).recipients_addr = clist_new();
(*factory).msg = dc_msg_new_untyped((*factory).context);
if 0 != (*factory)
.context
.sql
.get_config_int((*factory).context, "mdns_enabled")
.unwrap_or_else(|| 1)
{
// MDNs not enabled - check this is late, in the job. the use may have changed its choice while offline ...
if !dc_msg_load_from_db((*factory).msg, (*factory).context, msg_id) {
return success;
}
if let Ok(contact) = Contact::load_from_db((*factory).context, (*(*factory).msg).from_id) {
if !(contact.is_blocked() || (*(*factory).msg).chat_id <= 9 as libc::c_uint) {
// Do not send MDNs trash etc.; chats.blocked is already checked by the caller in dc_markseen_msgs()
if !((*(*factory).msg).from_id <= 9 as libc::c_uint) {
clist_insert_after(
(*factory).recipients_names,
(*(*factory).recipients_names).last,
(if !contact.get_authname().is_empty() {
contact.get_authname().strdup()
} else {
0 as *mut libc::c_char
}) as *mut libc::c_void,
);
clist_insert_after(
(*factory).recipients_addr,
(*(*factory).recipients_addr).last,
contact.get_addr().strdup() as *mut libc::c_void,
);
load_from(factory);
(*factory).timestamp = dc_create_smeared_timestamp((*factory).context);
(*factory).rfc724_mid = dc_create_outgoing_rfc724_mid(
0 as *const libc::c_char,
(*factory).from_addr,
);
success = 1;
(*factory).loaded = DC_MF_MDN_LOADED
}
}
}
}
success
}
// TODO should return bool /rtn
pub unsafe fn dc_mimefactory_render(mut factory: *mut dc_mimefactory_t) -> libc::c_int {
let subject: *mut mailimf_subject;
let mut ok_to_continue = true;
let imf_fields: *mut mailimf_fields;
let mut message: *mut mailmime = 0 as *mut mailmime;
let mut message_text: *mut libc::c_char = 0 as *mut libc::c_char;
let mut message_text2: *mut libc::c_char = 0 as *mut libc::c_char;
let mut subject_str: *mut libc::c_char = 0 as *mut libc::c_char;
let mut afwd_email: libc::c_int = 0;
let mut col: libc::c_int = 0;
let mut success: libc::c_int = 0;
let mut parts: libc::c_int = 0;
let mut e2ee_guaranteed: libc::c_int = 0;
let mut min_verified: libc::c_int = 0;
// 1=add Autocrypt-header (needed eg. for handshaking), 2=no Autocrypte-header (used for MDN)
let mut force_plaintext: libc::c_int = 0;
let mut do_gossip: libc::c_int = 0;
let mut grpimage = None;
let mut e2ee_helper = dc_e2ee_helper_t {
encryption_successfull: 0,
cdata_to_free: 0 as *mut libc::c_void,
encrypted: 0,
signatures: Default::default(),
gossipped_addr: Default::default(),
};
if factory.is_null()
|| (*factory).loaded as libc::c_uint == DC_MF_NOTHING_LOADED as libc::c_int as libc::c_uint
|| !(*factory).out.is_null()
{
/*call empty() before*/
set_error(
factory,
b"Invalid use of mimefactory-object.\x00" as *const u8 as *const libc::c_char,
);
} else {
let from: *mut mailimf_mailbox_list = mailimf_mailbox_list_new_empty();
mailimf_mailbox_list_add(
from,
mailimf_mailbox_new(
if !(*factory).from_displayname.is_null() {
dc_encode_header_words((*factory).from_displayname)
} else {
0 as *mut libc::c_char
},
dc_strdup((*factory).from_addr),
),
);
let mut to: *mut mailimf_address_list = 0 as *mut mailimf_address_list;
if !(*factory).recipients_names.is_null()
&& !(*factory).recipients_addr.is_null()
&& (*(*factory).recipients_addr).count > 0
{
let mut iter1: *mut clistiter;
let mut iter2: *mut clistiter;
to = mailimf_address_list_new_empty();
iter1 = (*(*factory).recipients_names).first;
iter2 = (*(*factory).recipients_addr).first;
while !iter1.is_null() && !iter2.is_null() {
let name: *const libc::c_char = (if !iter1.is_null() {
(*iter1).data
} else {
0 as *mut libc::c_void
}) as *const libc::c_char;
let addr: *const libc::c_char = (if !iter2.is_null() {
(*iter2).data
} else {
0 as *mut libc::c_void
}) as *const libc::c_char;
mailimf_address_list_add(
to,
mailimf_address_new(
MAILIMF_ADDRESS_MAILBOX as libc::c_int,
mailimf_mailbox_new(
if !name.is_null() {
dc_encode_header_words(name)
} else {
0 as *mut libc::c_char
},
dc_strdup(addr),
),
0 as *mut mailimf_group,
),
);
iter1 = if !iter1.is_null() {
(*iter1).next
} else {
0 as *mut clistcell
};
iter2 = if !iter2.is_null() {
(*iter2).next
} else {
0 as *mut clistcell
}
}
}
let mut references_list: *mut clist = 0 as *mut clist;
if !(*factory).references.is_null()
&& 0 != *(*factory).references.offset(0isize) as libc::c_int
{
references_list = dc_str_to_clist(
(*factory).references,
b" \x00" as *const u8 as *const libc::c_char,
)
}
let mut in_reply_to_list: *mut clist = 0 as *mut clist;
if !(*factory).in_reply_to.is_null()
&& 0 != *(*factory).in_reply_to.offset(0isize) as libc::c_int
{
in_reply_to_list = dc_str_to_clist(
(*factory).in_reply_to,
b" \x00" as *const u8 as *const libc::c_char,
)
}
imf_fields = mailimf_fields_new_with_data_all(
mailimf_get_date((*factory).timestamp as i64),
from,
0 as *mut mailimf_mailbox,
0 as *mut mailimf_address_list,
to,
0 as *mut mailimf_address_list,
0 as *mut mailimf_address_list,
dc_strdup((*factory).rfc724_mid),
in_reply_to_list,
references_list,
0 as *mut libc::c_char,
);
let os_name = &(*factory).context.os_name;
let os_part = os_name
.as_ref()
.map(|s| format!("/{}", s))
.unwrap_or_default();
let os_part = CString::new(os_part).expect("String -> CString conversion failed");
let version = dc_get_version_str();
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"X-Mailer\x00" as *const u8 as *const libc::c_char),
dc_mprintf(
b"Delta Chat Core %s%s\x00" as *const u8 as *const libc::c_char,
version,
os_part.as_ptr(),
),
),
);
free(version.cast());
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Version\x00" as *const u8 as *const libc::c_char),
strdup(b"1.0\x00" as *const u8 as *const libc::c_char),
),
);
if 0 != (*factory).req_mdn {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(
b"Chat-Disposition-Notification-To\x00" as *const u8 as *const libc::c_char,
),
strdup((*factory).from_addr),
),
);
}
message = mailmime_new_message_data(0 as *mut mailmime);
mailmime_set_imf_fields(message, imf_fields);
if (*factory).loaded as libc::c_uint == DC_MF_MSG_LOADED as libc::c_int as libc::c_uint {
/* Render a normal message
*********************************************************************/
let chat: *mut Chat = (*factory).chat;
let msg: *mut dc_msg_t = (*factory).msg;
let mut meta_part: *mut mailmime = 0 as *mut mailmime;
let mut placeholdertext: *mut libc::c_char = 0 as *mut libc::c_char;
if (*chat).typ == Chattype::VerifiedGroup {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Verified\x00" as *const u8 as *const libc::c_char),
strdup(b"1\x00" as *const u8 as *const libc::c_char),
),
);
force_plaintext = 0;
e2ee_guaranteed = 1;
min_verified = 2
} else {
force_plaintext = (*(*factory).msg)
.param
.get_int(Param::ForcePlaintext)
.unwrap_or_default();
if force_plaintext == 0 {
e2ee_guaranteed = (*(*factory).msg)
.param
.get_int(Param::GuranteeE2ee)
.unwrap_or_default()
}
}
if (*chat).gossiped_timestamp == 0
|| ((*chat).gossiped_timestamp + (2 * 24 * 60 * 60)) < time()
{
do_gossip = 1
}
/* build header etc. */
let command = (*msg).param.get_int(Param::Cmd).unwrap_or_default();
if (*chat).typ == Chattype::Group || (*chat).typ == Chattype::VerifiedGroup {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Group-ID\x00" as *const u8 as *const libc::c_char),
dc_strdup((*chat).grpid),
),
);
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Group-Name\x00" as *const u8 as *const libc::c_char),
dc_encode_header_words((*chat).name),
),
);
if command == 5 {
let email_to_remove = (*msg).param.get(Param::Arg).unwrap_or_default().strdup();
if strlen(email_to_remove) > 0 {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(
b"Chat-Group-Member-Removed\x00" as *const u8
as *const libc::c_char,
),
email_to_remove,
),
);
}
} else if command == 4 {
do_gossip = 1;
let email_to_add = (*msg).param.get(Param::Arg).unwrap_or_default().strdup();
if strlen(email_to_add) > 0 {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(
b"Chat-Group-Member-Added\x00" as *const u8
as *const libc::c_char,
),
email_to_add,
),
);
grpimage = (*chat).param.get(Param::ProfileImage);
}
if 0 != (*msg).param.get_int(Param::Arg2).unwrap_or_default() & 0x1 {
info!(
(*msg).context,
0,
"sending secure-join message \'{}\' >>>>>>>>>>>>>>>>>>>>>>>>>",
"vg-member-added",
);
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Secure-Join\x00" as *const u8 as *const libc::c_char),
strdup(b"vg-member-added\x00" as *const u8 as *const libc::c_char),
),
);
}
} else if command == 2 {
let value_to_add = (*msg).param.get(Param::Arg).unwrap_or_default().strdup();
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(
b"Chat-Group-Name-Changed\x00" as *const u8 as *const libc::c_char,
),
value_to_add,
),
);
} else if command == 3 {
grpimage = (*msg).param.get(Param::Arg);
if grpimage.is_none() {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Group-Image\x00" as *const u8 as *const libc::c_char),
dc_strdup(b"0\x00" as *const u8 as *const libc::c_char),
),
);
}
}
}
if command == 8 {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Content\x00" as *const u8 as *const libc::c_char),
strdup(
b"location-streaming-enabled\x00" as *const u8 as *const libc::c_char,
),
),
);
}
if command == 6 {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Autocrypt-Setup-Message\x00" as *const u8 as *const libc::c_char),
strdup(b"v1\x00" as *const u8 as *const libc::c_char),
),
);
placeholdertext = (*factory)
.context
.stock_str(StockMessage::AcSetupMsgBody)
.strdup();
}
if command == 7 {
let step = (*msg).param.get(Param::Arg).unwrap_or_default().strdup();
if strlen(step) > 0 {
info!(
(*msg).context,
0,
"sending secure-join message \'{}\' >>>>>>>>>>>>>>>>>>>>>>>>>",
as_str(step),
);
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Secure-Join\x00" as *const u8 as *const libc::c_char),
step,
),
);
let param2 = (*msg).param.get(Param::Arg2).unwrap_or_default().strdup();
if strlen(param2) > 0 {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
if strcmp(
step,
b"vg-request-with-auth\x00" as *const u8 as *const libc::c_char,
) == 0
|| strcmp(
step,
b"vc-request-with-auth\x00" as *const u8
as *const libc::c_char,
) == 0
{
strdup(
b"Secure-Join-Auth\x00" as *const u8 as *const libc::c_char,
)
} else {
strdup(
b"Secure-Join-Invitenumber\x00" as *const u8
as *const libc::c_char,
)
},
param2,
),
);
}
let fingerprint = (*msg).param.get(Param::Arg3).unwrap_or_default().strdup();
if strlen(fingerprint) > 0 {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(
b"Secure-Join-Fingerprint\x00" as *const u8
as *const libc::c_char,
),
fingerprint,
),
);
}
let grpid = match (*msg).param.get(Param::Arg4) {
Some(id) => id.strdup(),
None => std::ptr::null_mut(),
};
if !grpid.is_null() {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(
b"Secure-Join-Group\x00" as *const u8 as *const libc::c_char,
),
grpid,
),
);
}
}
}
if let Some(grpimage) = grpimage {
let mut meta = dc_msg_new_untyped((*factory).context);
(*meta).type_0 = Viewtype::Image;
(*meta).param.set(Param::File, grpimage);
let mut filename_as_sent = 0 as *mut libc::c_char;
meta_part = build_body_file(
meta,
b"group-image\x00" as *const u8 as *const libc::c_char,
&mut filename_as_sent,
);
if !meta_part.is_null() {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Group-Image\x00" as *const u8 as *const libc::c_char),
filename_as_sent,
),
);
}
dc_msg_unref(meta);
}
if (*msg).type_0 == Viewtype::Voice
|| (*msg).type_0 == Viewtype::Audio
|| (*msg).type_0 == Viewtype::Video
{
if (*msg).type_0 == Viewtype::Voice {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Voice-Message\x00" as *const u8 as *const libc::c_char),
strdup(b"1\x00" as *const u8 as *const libc::c_char),
),
);
}
let duration_ms = (*msg).param.get_int(Param::Duration).unwrap_or_default();
if duration_ms > 0 {
mailimf_fields_add(
imf_fields,
mailimf_field_new_custom(
strdup(b"Chat-Duration\x00" as *const u8 as *const libc::c_char),
dc_mprintf(
b"%i\x00" as *const u8 as *const libc::c_char,
duration_ms as libc::c_int,
),
),
);
}
}
afwd_email = (*msg).param.exists(Param::Forwarded) as libc::c_int;
let mut fwdhint = 0 as *mut libc::c_char;
if 0 != afwd_email {
fwdhint = dc_strdup(
b"---------- Forwarded message ----------\r\nFrom: Delta Chat\r\n\r\n\x00"
as *const u8 as *const libc::c_char,
)
}
let final_text = {
if !placeholdertext.is_null() {
to_string(placeholdertext)
} else if let Some(ref text) = (*msg).text {
text.clone()
} else {
"".into()
}
};
let final_text = CString::yolo(final_text);
let footer: *mut libc::c_char = (*factory).selfstatus;
message_text = dc_mprintf(
b"%s%s%s%s%s\x00" as *const u8 as *const libc::c_char,
if !fwdhint.is_null() {
fwdhint
} else {
b"\x00" as *const u8 as *const libc::c_char
},
final_text.as_ptr(),
if final_text != CString::yolo("")
&& !footer.is_null()
&& 0 != *footer.offset(0isize) as libc::c_int
{
b"\r\n\r\n\x00" as *const u8 as *const libc::c_char
} else {
b"\x00" as *const u8 as *const libc::c_char
},
if !footer.is_null() && 0 != *footer.offset(0isize) as libc::c_int {
b"-- \r\n\x00" as *const u8 as *const libc::c_char
} else {
b"\x00" as *const u8 as *const libc::c_char
},
if !footer.is_null() && 0 != *footer.offset(0isize) as libc::c_int {
footer
} else {
b"\x00" as *const u8 as *const libc::c_char
},
);
let text_part: *mut mailmime = build_body_text(message_text);
mailmime_smart_add_part(message, text_part);
parts += 1;
free(fwdhint as *mut libc::c_void);
free(placeholdertext as *mut libc::c_void);
/* add attachment part */
if msgtype_has_file((*msg).type_0) {
if !is_file_size_okay(msg) {
let error: *mut libc::c_char = dc_mprintf(
b"Message exceeds the recommended %i MB.\x00" as *const u8
as *const libc::c_char,
24 * 1024 * 1024 / 4 * 3 / 1000 / 1000,
);
set_error(factory, error);
free(error as *mut libc::c_void);
ok_to_continue = false;
} else {
let file_part: *mut mailmime =
build_body_file(msg, 0 as *const libc::c_char, 0 as *mut *mut libc::c_char);
if !file_part.is_null() {
mailmime_smart_add_part(message, file_part);
parts += 1
}
}
}
if ok_to_continue {
if parts == 0 {
set_error(
factory,
b"Empty message.\x00" as *const u8 as *const libc::c_char,
);
ok_to_continue = false;
} else {
if !meta_part.is_null() {
mailmime_smart_add_part(message, meta_part);
}
if (*msg).param.exists(Param::SetLatitude) {
let latitude = (*msg)
.param
.get_float(Param::SetLatitude)
.unwrap_or_default();
let longitude = (*msg)
.param
.get_float(Param::SetLongitude)
.unwrap_or_default();
let kml_file =
dc_get_message_kml((*msg).timestamp_sort, latitude, longitude);
if !kml_file.is_null() {
let content_type = mailmime_content_new_with_str(
b"application/vnd.google-earth.kml+xml\x00" as *const u8
as *const libc::c_char,
);
let mime_fields = mailmime_fields_new_filename(
MAILMIME_DISPOSITION_TYPE_ATTACHMENT as libc::c_int,
dc_strdup(b"message.kml\x00" as *const u8 as *const libc::c_char),
MAILMIME_MECHANISM_8BIT as libc::c_int,
);
let kml_mime_part = mailmime_new_empty(content_type, mime_fields);
mailmime_set_body_text(kml_mime_part, kml_file, strlen(kml_file));
mailmime_smart_add_part(message, kml_mime_part);
}
}
if dc_is_sending_locations_to_chat((*msg).context, (*msg).chat_id) {
let mut last_added_location_id: uint32_t = 0 as uint32_t;
let kml_file: *mut libc::c_char = dc_get_location_kml(
(*msg).context,
(*msg).chat_id,
&mut last_added_location_id,
);
if !kml_file.is_null() {
let content_type: *mut mailmime_content = mailmime_content_new_with_str(
b"application/vnd.google-earth.kml+xml\x00" as *const u8
as *const libc::c_char,
);
let mime_fields: *mut mailmime_fields = mailmime_fields_new_filename(
MAILMIME_DISPOSITION_TYPE_ATTACHMENT as libc::c_int,
dc_strdup(b"location.kml\x00" as *const u8 as *const libc::c_char),
MAILMIME_MECHANISM_8BIT as libc::c_int,
);
let kml_mime_part: *mut mailmime =
mailmime_new_empty(content_type, mime_fields);
mailmime_set_body_text(kml_mime_part, kml_file, strlen(kml_file));
mailmime_smart_add_part(message, kml_mime_part);
if !(*msg).param.exists(Param::SetLatitude) {
// otherwise, the independent location is already filed
(*factory).out_last_added_location_id = last_added_location_id;
}
}
}
}
}
} else if (*factory).loaded as libc::c_uint
== DC_MF_MDN_LOADED as libc::c_int as libc::c_uint
{
let multipart: *mut mailmime =
mailmime_multiple_new(b"multipart/report\x00" as *const u8 as *const libc::c_char);
let content: *mut mailmime_content = (*multipart).mm_content_type;
clist_insert_after(
(*content).ct_parameters,
(*(*content).ct_parameters).last,
mailmime_param_new_with_data(
b"report-type\x00" as *const u8 as *const libc::c_char as *mut libc::c_char,
b"disposition-notification\x00" as *const u8 as *const libc::c_char
as *mut libc::c_char,
) as *mut libc::c_void,
);
mailmime_add_part(message, multipart);
let p1 = if 0
!= (*(*factory).msg)
.param
.get_int(Param::GuranteeE2ee)
.unwrap_or_default()
{
(*factory)
.context
.stock_str(StockMessage::EncryptedMsg)
.into_owned()
} else {
to_string(dc_msg_get_summarytext((*factory).msg, 32))
};
let p2 = (*factory)
.context
.stock_string_repl_str(StockMessage::ReadRcptMailBody, p1);
message_text = format!("{}\r\n", p2).strdup();
let human_mime_part: *mut mailmime = build_body_text(message_text);
mailmime_add_part(multipart, human_mime_part);
let version = dc_get_version_str();
message_text2 =
dc_mprintf(b"Reporting-UA: Delta Chat %s\r\nOriginal-Recipient: rfc822;%s\r\nFinal-Recipient: rfc822;%s\r\nOriginal-Message-ID: <%s>\r\nDisposition: manual-action/MDN-sent-automatically; displayed\r\n\x00"
as *const u8 as *const libc::c_char,
version,
(*factory).from_addr, (*factory).from_addr,
(*(*factory).msg).rfc724_mid);
free(version.cast());
let content_type_0: *mut mailmime_content = mailmime_content_new_with_str(
b"message/disposition-notification\x00" as *const u8 as *const libc::c_char,
);
let mime_fields_0: *mut mailmime_fields =
mailmime_fields_new_encoding(MAILMIME_MECHANISM_8BIT as libc::c_int);
let mach_mime_part: *mut mailmime = mailmime_new_empty(content_type_0, mime_fields_0);
mailmime_set_body_text(mach_mime_part, message_text2, strlen(message_text2));
mailmime_add_part(multipart, mach_mime_part);
force_plaintext = 2;
} else {
set_error(
factory,
b"No message loaded.\x00" as *const u8 as *const libc::c_char,
);
ok_to_continue = false;
}
if ok_to_continue {
if (*factory).loaded as libc::c_uint == DC_MF_MDN_LOADED as libc::c_int as libc::c_uint
{
let e = CString::new(
(*factory)
.context
.stock_str(StockMessage::ReadRcpt)
.as_ref(),
)
.unwrap();
subject_str = dc_mprintf(
b"Chat: %s\x00" as *const u8 as *const libc::c_char,
e.as_ptr(),
);
} else {
subject_str = get_subject((*factory).chat, (*factory).msg, afwd_email)
}
subject = mailimf_subject_new(dc_encode_header_words(subject_str));
mailimf_fields_add(
imf_fields,
mailimf_field_new(
MAILIMF_FIELD_SUBJECT as libc::c_int,
0 as *mut mailimf_return,
0 as *mut mailimf_orig_date,
0 as *mut mailimf_from,
0 as *mut mailimf_sender,
0 as *mut mailimf_to,
0 as *mut mailimf_cc,
0 as *mut mailimf_bcc,
0 as *mut mailimf_message_id,
0 as *mut mailimf_orig_date,
0 as *mut mailimf_from,
0 as *mut mailimf_sender,
0 as *mut mailimf_reply_to,
0 as *mut mailimf_to,
0 as *mut mailimf_cc,
0 as *mut mailimf_bcc,
0 as *mut mailimf_message_id,
0 as *mut mailimf_in_reply_to,
0 as *mut mailimf_references,
subject,
0 as *mut mailimf_comments,
0 as *mut mailimf_keywords,
0 as *mut mailimf_optional_field,
),
);
if force_plaintext != 2 {
dc_e2ee_encrypt(
(*factory).context,
(*factory).recipients_addr,
force_plaintext,
e2ee_guaranteed,
min_verified,
do_gossip,
message,
&mut e2ee_helper,
);
}
if 0 != e2ee_helper.encryption_successfull {
(*factory).out_encrypted = 1;
if 0 != do_gossip {
(*factory).out_gossiped = 1
}
}
(*factory).out = mmap_string_new(b"\x00" as *const u8 as *const libc::c_char);
mailmime_write_mem((*factory).out, &mut col, message);
success = 1
}
}
if !message.is_null() {
mailmime_free(message);
}
dc_e2ee_thanks(&mut e2ee_helper);
free(message_text as *mut libc::c_void);
free(message_text2 as *mut libc::c_void);
free(subject_str as *mut libc::c_void);
success
}
unsafe fn get_subject(
chat: *const Chat,
msg: *mut dc_msg_t,
afwd_email: libc::c_int,
) -> *mut libc::c_char {
let context = (*chat).context;
let ret: *mut libc::c_char;
let raw_subject = {
dc_msg_get_summarytext_by_raw(
(*msg).type_0,
(*msg).text.as_ref(),
&mut (*msg).param,
32,
context,
)
.strdup()
};
let fwd = if 0 != afwd_email {
b"Fwd: \x00" as *const u8 as *const libc::c_char
} else {
b"\x00" as *const u8 as *const libc::c_char
};
if (*msg).param.get_int(Param::Cmd).unwrap_or_default() == 6 {
ret = context.stock_str(StockMessage::AcSetupMsgSubject).strdup()
} else if (*chat).typ == Chattype::Group || (*chat).typ == Chattype::VerifiedGroup {
ret = dc_mprintf(
b"Chat: %s: %s%s\x00" as *const u8 as *const libc::c_char,
(*chat).name,
fwd,
raw_subject,
)
} else {
ret = dc_mprintf(
b"Chat: %s%s\x00" as *const u8 as *const libc::c_char,
fwd,
raw_subject,
)
}
free(raw_subject as *mut libc::c_void);
ret
}
unsafe fn set_error(mut factory: *mut dc_mimefactory_t, text: *const libc::c_char) {
if factory.is_null() {
return;
}
free((*factory).error as *mut libc::c_void);
(*factory).error = dc_strdup_keep_null(text);
}
unsafe fn build_body_text(text: *mut libc::c_char) -> *mut mailmime {
let mime_fields: *mut mailmime_fields;
let message_part: *mut mailmime;
let content: *mut mailmime_content;
content = mailmime_content_new_with_str(b"text/plain\x00" as *const u8 as *const libc::c_char);
clist_insert_after(
(*content).ct_parameters,
(*(*content).ct_parameters).last,
mailmime_param_new_with_data(
b"charset\x00" as *const u8 as *const libc::c_char as *mut libc::c_char,
b"utf-8\x00" as *const u8 as *const libc::c_char as *mut libc::c_char,
) as *mut libc::c_void,
);
mime_fields = mailmime_fields_new_encoding(MAILMIME_MECHANISM_8BIT as libc::c_int);
message_part = mailmime_new_empty(content, mime_fields);
mailmime_set_body_text(message_part, text, strlen(text));
message_part
}
#[allow(non_snake_case)]
unsafe fn build_body_file(
msg: *const dc_msg_t,
mut base_name: *const libc::c_char,
ret_file_name_as_sent: *mut *mut libc::c_char,
) -> *mut mailmime {
let needs_ext: bool;
let mime_fields: *mut mailmime_fields;
let mut mime_sub: *mut mailmime = 0 as *mut mailmime;
let content: *mut mailmime_content;
let pathNfilename = (*msg)
.param
.get(Param::File)
.map(|s| s.strdup())
.unwrap_or_else(|| std::ptr::null_mut());
let mut mimetype = (*msg)
.param
.get(Param::MimeType)
.map(|s| s.strdup())
.unwrap_or_else(|| std::ptr::null_mut());
let suffix = dc_get_filesuffix_lc(pathNfilename);
let mut filename_to_send = 0 as *mut libc::c_char;
let mut filename_encoded = 0 as *mut libc::c_char;
if !pathNfilename.is_null() {
if (*msg).type_0 == Viewtype::Voice {
let ts = chrono::Utc.timestamp((*msg).timestamp_sort as i64, 0);
let suffix = if !suffix.is_null() {
to_string(suffix)
} else {
"dat".into()
};
let res = ts
.format(&format!("voice-message_%Y-%m-%d_%H-%M-%S.{}", suffix))
.to_string();
filename_to_send = res.strdup();
} else if (*msg).type_0 == Viewtype::Audio {
filename_to_send = dc_get_filename(pathNfilename)
} else if (*msg).type_0 == Viewtype::Image || (*msg).type_0 == Viewtype::Gif {
if base_name.is_null() {
base_name = b"image\x00" as *const u8 as *const libc::c_char
}
filename_to_send = dc_mprintf(
b"%s.%s\x00" as *const u8 as *const libc::c_char,
base_name,
if !suffix.is_null() {
suffix
} else {
b"dat\x00" as *const u8 as *const libc::c_char
},
)
} else if (*msg).type_0 == Viewtype::Video {
filename_to_send = dc_mprintf(
b"video.%s\x00" as *const u8 as *const libc::c_char,
if !suffix.is_null() {
suffix
} else {
b"dat\x00" as *const u8 as *const libc::c_char
},
)
} else {
filename_to_send = dc_get_filename(pathNfilename)
}
if mimetype.is_null() {
if suffix.is_null() {
mimetype =
dc_strdup(b"application/octet-stream\x00" as *const u8 as *const libc::c_char)
} else if strcmp(suffix, b"png\x00" as *const u8 as *const libc::c_char) == 0 {
mimetype = dc_strdup(b"image/png\x00" as *const u8 as *const libc::c_char)
} else if strcmp(suffix, b"jpg\x00" as *const u8 as *const libc::c_char) == 0
|| strcmp(suffix, b"jpeg\x00" as *const u8 as *const libc::c_char) == 0
|| strcmp(suffix, b"jpe\x00" as *const u8 as *const libc::c_char) == 0
{
mimetype = dc_strdup(b"image/jpeg\x00" as *const u8 as *const libc::c_char)
} else if strcmp(suffix, b"gif\x00" as *const u8 as *const libc::c_char) == 0 {
mimetype = dc_strdup(b"image/gif\x00" as *const u8 as *const libc::c_char)
} else {
mimetype =
dc_strdup(b"application/octet-stream\x00" as *const u8 as *const libc::c_char)
}
}
if !mimetype.is_null() {
/* create mime part, for Content-Disposition, see RFC 2183.
`Content-Disposition: attachment` seems not to make a difference to `Content-Disposition: inline` at least on tested Thunderbird and Gma'l in 2017.
But I've heard about problems with inline and outl'k, so we just use the attachment-type until we run into other problems ... */
needs_ext = dc_needs_ext_header(filename_to_send);
mime_fields = mailmime_fields_new_filename(
MAILMIME_DISPOSITION_TYPE_ATTACHMENT as libc::c_int,
if needs_ext {
0 as *mut libc::c_char
} else {
dc_strdup(filename_to_send)
},
MAILMIME_MECHANISM_BASE64 as libc::c_int,
);
if needs_ext {
let mut cur1: *mut clistiter = (*(*mime_fields).fld_list).first;
while !cur1.is_null() {
let field: *mut mailmime_field = (if !cur1.is_null() {
(*cur1).data
} else {
0 as *mut libc::c_void
}) as *mut mailmime_field;
if !field.is_null()
&& (*field).fld_type == MAILMIME_FIELD_DISPOSITION as libc::c_int
&& !(*field).fld_data.fld_disposition.is_null()
{
let file_disposition: *mut mailmime_disposition =
(*field).fld_data.fld_disposition;
if !file_disposition.is_null() {
let parm: *mut mailmime_disposition_parm =
mailmime_disposition_parm_new(
MAILMIME_DISPOSITION_PARM_PARAMETER as libc::c_int,
0 as *mut libc::c_char,
0 as *mut libc::c_char,
0 as *mut libc::c_char,
0 as *mut libc::c_char,
0 as size_t,
mailmime_parameter_new(
strdup(
b"filename*\x00" as *const u8 as *const libc::c_char,
),
dc_encode_ext_header(filename_to_send),
),
);
if !parm.is_null() {
clist_insert_after(
(*file_disposition).dsp_parms,
(*(*file_disposition).dsp_parms).last,
parm as *mut libc::c_void,
);
}
}
break;
} else {
cur1 = if !cur1.is_null() {
(*cur1).next
} else {
0 as *mut clistcell
}
}
}
}
content = mailmime_content_new_with_str(mimetype);
filename_encoded = dc_encode_header_words(filename_to_send);
clist_insert_after(
(*content).ct_parameters,
(*(*content).ct_parameters).last,
mailmime_param_new_with_data(
b"name\x00" as *const u8 as *const libc::c_char as *mut libc::c_char,
filename_encoded,
) as *mut libc::c_void,
);
mime_sub = mailmime_new_empty(content, mime_fields);
mailmime_set_body_file(mime_sub, dc_get_abs_path((*msg).context, pathNfilename));
if !ret_file_name_as_sent.is_null() {
*ret_file_name_as_sent = dc_strdup(filename_to_send)
}
}
}
free(pathNfilename as *mut libc::c_void);
free(mimetype as *mut libc::c_void);
free(filename_to_send as *mut libc::c_void);
free(filename_encoded as *mut libc::c_void);
free(suffix as *mut libc::c_void);
mime_sub
}
/*******************************************************************************
* Render
******************************************************************************/
unsafe fn is_file_size_okay(msg: *const dc_msg_t) -> bool {
let mut file_size_okay = true;
let path = (*msg).param.get(Param::File).unwrap_or_default();
let bytes = dc_get_filebytes((*msg).context, &path);
if bytes > (49 * 1024 * 1024 / 4 * 3) {
file_size_okay = false;
}
file_size_okay
}