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refactor: save locations (#407)

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refactor: save locations
This commit is contained in:
Friedel Ziegelmayer
2019-08-27 14:27:04 +02:00
committed by GitHub
parent ff0fdd5837 25b0a26ff9
commit 2f6438f75a
12 changed files with 806 additions and 878 deletions
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1
Cargo.lock generated
View File

@@ -463,6 +463,7 @@ version = "1.0.0-alpha.4"
dependencies = [
"backtrace 0.3.34 (registry+https://github.com/rust-lang/crates.io-index)",
"base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
"bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"cc 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
"charset 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",

1
Cargo.toml
View File

@@ -49,6 +49,7 @@ itertools = "0.8.0"
image-meta = "0.1.0"
quick-xml = "0.15.0"
escaper = "0.1.0"
bitflags = "1.1.0"
[dev-dependencies]
tempfile = "3.0"

10
deltachat-ffi/src/lib.rs
View File

@@ -1043,7 +1043,7 @@ pub unsafe extern "C" fn dc_send_locations_to_chat(
assert!(!context.is_null());
let context = &*context;
dc_location::dc_send_locations_to_chat(context, chat_id, seconds as i64)
location::send_locations_to_chat(context, chat_id, seconds as i64)
}
#[no_mangle]
@@ -1054,7 +1054,7 @@ pub unsafe extern "C" fn dc_is_sending_locations_to_chat(
assert!(!context.is_null());
let context = &*context;
dc_location::dc_is_sending_locations_to_chat(context, chat_id) as libc::c_int
location::is_sending_locations_to_chat(context, chat_id) as libc::c_int
}
#[no_mangle]
@@ -1067,7 +1067,7 @@ pub unsafe extern "C" fn dc_set_location(
assert!(!context.is_null());
let context = &*context;
dc_location::dc_set_location(context, latitude, longitude, accuracy)
location::set(context, latitude, longitude, accuracy)
}
#[no_mangle]
@@ -1081,7 +1081,7 @@ pub unsafe extern "C" fn dc_get_locations(
assert!(!context.is_null());
let context = &*context;
let res = dc_location::dc_get_locations(
let res = location::get_range(
context,
chat_id,
contact_id,
@@ -1096,7 +1096,7 @@ pub unsafe extern "C" fn dc_delete_all_locations(context: *mut dc_context_t) {
assert!(!context.is_null());
let context = &*context;
dc_location::dc_delete_all_locations(context);
location::delete_all(context).log_err(context, "Failed to delete locations");
}
// dc_array_t

17
examples/repl/cmdline.rs
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@@ -9,11 +9,11 @@ use deltachat::constants::*;
use deltachat::contact::*;
use deltachat::context::*;
use deltachat::dc_imex::*;
use deltachat::dc_location::*;
use deltachat::dc_receive_imf::*;
use deltachat::dc_tools::*;
use deltachat::error::Error;
use deltachat::job::*;
use deltachat::location;
use deltachat::lot::LotState;
use deltachat::message::*;
use deltachat::peerstate::*;
@@ -652,7 +652,7 @@ pub unsafe fn dc_cmdline(context: &Context, line: &str) -> Result<(), failure::E
);
}
}
if dc_is_sending_locations_to_chat(context, 0 as uint32_t) {
if location::is_sending_locations_to_chat(context, 0 as uint32_t) {
info!(context, 0, "Location streaming enabled.");
}
println!("{} chats", cnt);
@@ -778,14 +778,17 @@ pub unsafe fn dc_cmdline(context: &Context, line: &str) -> Result<(), failure::E
println!(
"{} contacts\nLocation streaming: {}",
contacts.len(),
dc_is_sending_locations_to_chat(context, sel_chat.as_ref().unwrap().get_id()),
location::is_sending_locations_to_chat(
context,
sel_chat.as_ref().unwrap().get_id()
),
);
}
"getlocations" => {
ensure!(sel_chat.is_some(), "No chat selected.");
let contact_id = arg1.parse().unwrap_or_default();
let locations = dc_get_locations(
let locations = location::get_range(
context,
sel_chat.as_ref().unwrap().get_id(),
contact_id,
@@ -819,7 +822,7 @@ pub unsafe fn dc_cmdline(context: &Context, line: &str) -> Result<(), failure::E
ensure!(!arg1.is_empty(), "No timeout given.");
let seconds = arg1.parse()?;
dc_send_locations_to_chat(context, sel_chat.as_ref().unwrap().get_id(), seconds);
location::send_locations_to_chat(context, sel_chat.as_ref().unwrap().get_id(), seconds);
println!(
"Locations will be sent to Chat#{} for {} seconds. Use 'setlocation <lat> <lng>' to play around.",
sel_chat.as_ref().unwrap().get_id(),
@@ -834,7 +837,7 @@ pub unsafe fn dc_cmdline(context: &Context, line: &str) -> Result<(), failure::E
let latitude = arg1.parse()?;
let longitude = arg2.parse()?;
let continue_streaming = dc_set_location(context, latitude, longitude, 0.);
let continue_streaming = location::set(context, latitude, longitude, 0.);
if 0 != continue_streaming {
println!("Success, streaming should be continued.");
} else {
@@ -842,7 +845,7 @@ pub unsafe fn dc_cmdline(context: &Context, line: &str) -> Result<(), failure::E
}
}
"dellocations" => {
dc_delete_all_locations(context);
location::delete_all(context)?;
}
"send" => {
ensure!(sel_chat.is_some(), "No chat selected.");

12
src/dc_array.rs
View File

@@ -1,11 +1,11 @@
use crate::dc_location::dc_location;
use crate::location::Location;
use crate::types::*;
/* * the structure behind dc_array_t */
#[derive(Clone)]
#[allow(non_camel_case_types)]
pub enum dc_array_t {
Locations(Vec<dc_location>),
Locations(Vec<Location>),
Uint(Vec<u32>),
}
@@ -27,7 +27,7 @@ impl dc_array_t {
}
}
pub fn add_location(&mut self, location: dc_location) {
pub fn add_location(&mut self, location: Location) {
if let Self::Locations(array) = self {
array.push(location)
} else {
@@ -42,7 +42,7 @@ impl dc_array_t {
}
}
pub fn get_location(&self, index: usize) -> &dc_location {
pub fn get_location(&self, index: usize) -> &Location {
if let Self::Locations(array) = self {
&array[index]
} else {
@@ -108,8 +108,8 @@ impl From<Vec<u32>> for dc_array_t {
}
}
impl From<Vec<dc_location>> for dc_array_t {
fn from(array: Vec<dc_location>) -> Self {
impl From<Vec<Location>> for dc_array_t {
fn from(array: Vec<Location>) -> Self {
dc_array_t::Locations(array)
}
}

776
src/dc_location.rs
View File

@@ -1,776 +0,0 @@
use quick_xml;
use quick_xml::events::{BytesEnd, BytesStart, BytesText};
use crate::chat;
use crate::constants::Event;
use crate::constants::*;
use crate::context::*;
use crate::dc_tools::*;
use crate::job::*;
use crate::message::*;
use crate::param::*;
use crate::sql;
use crate::stock::StockMessage;
use crate::types::*;
use crate::x::*;
// location handling
#[derive(Clone, Default)]
#[allow(non_camel_case_types)]
pub struct dc_location {
pub location_id: uint32_t,
pub latitude: libc::c_double,
pub longitude: libc::c_double,
pub accuracy: libc::c_double,
pub timestamp: i64,
pub contact_id: uint32_t,
pub msg_id: uint32_t,
pub chat_id: uint32_t,
pub marker: Option<String>,
pub independent: uint32_t,
}
impl dc_location {
pub fn new() -> Self {
dc_location {
location_id: 0,
latitude: 0.0,
longitude: 0.0,
accuracy: 0.0,
timestamp: 0,
contact_id: 0,
msg_id: 0,
chat_id: 0,
marker: None,
independent: 0,
}
}
}
#[derive(Clone)]
#[allow(non_camel_case_types)]
pub struct dc_kml_t {
pub addr: *mut libc::c_char,
pub locations: Option<Vec<dc_location>>,
pub tag: libc::c_int,
pub curr: dc_location,
}
impl dc_kml_t {
pub fn new() -> Self {
dc_kml_t {
addr: std::ptr::null_mut(),
locations: None,
tag: 0,
curr: dc_location::new(),
}
}
}
// location streaming
pub unsafe fn dc_send_locations_to_chat(context: &Context, chat_id: uint32_t, seconds: i64) {
let now = time();
let mut msg: Message;
let is_sending_locations_before: bool;
if !(seconds < 0 || chat_id <= 9i32 as libc::c_uint) {
is_sending_locations_before = dc_is_sending_locations_to_chat(context, chat_id);
if sql::execute(
context,
&context.sql,
"UPDATE chats \
SET locations_send_begin=?, \
locations_send_until=? \
WHERE id=?",
params![
if 0 != seconds { now } else { 0 },
if 0 != seconds { now + seconds } else { 0 },
chat_id as i32,
],
)
.is_ok()
{
if 0 != seconds && !is_sending_locations_before {
msg = dc_msg_new(context, Viewtype::Text);
msg.text =
Some(context.stock_system_msg(StockMessage::MsgLocationEnabled, "", "", 0));
msg.param.set_int(Param::Cmd, 8);
chat::send_msg(context, chat_id, &mut msg).unwrap();
} else if 0 == seconds && is_sending_locations_before {
let stock_str =
context.stock_system_msg(StockMessage::MsgLocationDisabled, "", "", 0);
chat::add_device_msg(context, chat_id, stock_str);
}
context.call_cb(
Event::CHAT_MODIFIED,
chat_id as uintptr_t,
0i32 as uintptr_t,
);
if 0 != seconds {
schedule_MAYBE_SEND_LOCATIONS(context, 0i32);
job_add(
context,
Action::MaybeSendLocationsEnded,
chat_id as libc::c_int,
Params::new(),
seconds + 1,
);
}
}
}
}
/*******************************************************************************
* job to send locations out to all chats that want them
******************************************************************************/
#[allow(non_snake_case)]
unsafe fn schedule_MAYBE_SEND_LOCATIONS(context: &Context, flags: libc::c_int) {
if 0 != flags & 0x1 || !job_action_exists(context, Action::MaybeSendLocations) {
job_add(context, Action::MaybeSendLocations, 0, Params::new(), 60);
};
}
pub fn dc_is_sending_locations_to_chat(context: &Context, chat_id: u32) -> bool {
context
.sql
.exists(
"SELECT id FROM chats WHERE (? OR id=?) AND locations_send_until>?;",
params![if chat_id == 0 { 1 } else { 0 }, chat_id as i32, time()],
)
.unwrap_or_default()
}
pub fn dc_set_location(
context: &Context,
latitude: libc::c_double,
longitude: libc::c_double,
accuracy: libc::c_double,
) -> libc::c_int {
if latitude == 0.0 && longitude == 0.0 {
return 1;
}
context.sql.query_map(
"SELECT id FROM chats WHERE locations_send_until>?;",
params![time()], |row| row.get::<_, i32>(0),
|chats| {
let mut continue_streaming = false;
for chat in chats {
let chat_id = chat?;
context.sql.execute(
"INSERT INTO locations \
(latitude, longitude, accuracy, timestamp, chat_id, from_id) VALUES (?,?,?,?,?,?);",
params![
latitude,
longitude,
accuracy,
time(),
chat_id,
1,
]
)?;
continue_streaming = true;
}
if continue_streaming {
context.call_cb(Event::LOCATION_CHANGED, 1, 0);
};
unsafe { schedule_MAYBE_SEND_LOCATIONS(context, 0) };
Ok(continue_streaming as libc::c_int)
}
).unwrap_or_default()
}
pub fn dc_get_locations(
context: &Context,
chat_id: uint32_t,
contact_id: uint32_t,
timestamp_from: i64,
mut timestamp_to: i64,
) -> Vec<dc_location> {
if timestamp_to == 0 {
timestamp_to = time() + 10;
}
context
.sql
.query_map(
"SELECT l.id, l.latitude, l.longitude, l.accuracy, l.timestamp, l.independent, \
m.id, l.from_id, l.chat_id, m.txt \
FROM locations l LEFT JOIN msgs m ON l.id=m.location_id WHERE (? OR l.chat_id=?) \
AND (? OR l.from_id=?) \
AND (l.independent=1 OR (l.timestamp>=? AND l.timestamp<=?)) \
ORDER BY l.timestamp DESC, l.id DESC, m.id DESC;",
params![
if chat_id == 0 { 1 } else { 0 },
chat_id as i32,
if contact_id == 0 { 1 } else { 0 },
contact_id as i32,
timestamp_from,
timestamp_to,
],
|row| {
let msg_id = row.get(6)?;
let txt: String = row.get(9)?;
let marker = if msg_id != 0 && is_marker(&txt) {
Some(txt)
} else {
None
};
let loc = dc_location {
location_id: row.get(0)?,
latitude: row.get(1)?,
longitude: row.get(2)?,
accuracy: row.get(3)?,
timestamp: row.get(4)?,
independent: row.get(5)?,
msg_id,
contact_id: row.get(7)?,
chat_id: row.get(8)?,
marker,
};
Ok(loc)
},
|locations| {
let mut ret = Vec::new();
for location in locations {
ret.push(location?);
}
Ok(ret)
},
)
.unwrap_or_default()
}
fn is_marker(txt: &str) -> bool {
txt.len() == 1 && txt.chars().next().unwrap() != ' '
}
pub fn dc_delete_all_locations(context: &Context) -> bool {
if sql::execute(context, &context.sql, "DELETE FROM locations;", params![]).is_err() {
return false;
}
context.call_cb(Event::LOCATION_CHANGED, 0, 0);
true
}
pub fn dc_get_location_kml(
context: &Context,
chat_id: uint32_t,
last_added_location_id: *mut uint32_t,
) -> *mut libc::c_char {
let mut success: libc::c_int = 0;
let now = time();
let mut location_count: libc::c_int = 0;
let mut ret = String::new();
let self_addr = context
.sql
.get_config(context, "configured_addr")
.unwrap_or_default();
if let Ok((locations_send_begin, locations_send_until, locations_last_sent)) = context.sql.query_row(
"SELECT locations_send_begin, locations_send_until, locations_last_sent FROM chats WHERE id=?;",
params![chat_id as i32], |row| {
let send_begin: i64 = row.get(0)?;
let send_until: i64 = row.get(1)?;
let last_sent: i64 = row.get(2)?;
Ok((send_begin, send_until, last_sent))
}
) {
if !(locations_send_begin == 0 || now > locations_send_until) {
ret += &format!(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n<Document addr=\"{}\">\n",
self_addr,
);
context.sql.query_map(
"SELECT id, latitude, longitude, accuracy, timestamp\
FROM locations WHERE from_id=? \
AND timestamp>=? \
AND (timestamp>=? OR timestamp=(SELECT MAX(timestamp) FROM locations WHERE from_id=?)) \
AND independent=0 \
GROUP BY timestamp \
ORDER BY timestamp;",
params![1, locations_send_begin, locations_last_sent, 1],
|row| {
let location_id: i32 = row.get(0)?;
let latitude: f64 = row.get(1)?;
let longitude: f64 = row.get(2)?;
let accuracy: f64 = row.get(3)?;
let timestamp = unsafe { get_kml_timestamp(row.get(4)?) };
Ok((location_id, latitude, longitude, accuracy, timestamp))
},
|rows| {
for row in rows {
let (location_id, latitude, longitude, accuracy, timestamp) = row?;
ret += &format!(
"<Placemark><Timestamp><when>{}</when></Timestamp><Point><coordinates accuracy=\"{}\">{},{}</coordinates></Point></Placemark>\n\x00",
as_str(timestamp),
accuracy,
longitude,
latitude
);
location_count += 1;
if !last_added_location_id.is_null() {
unsafe { *last_added_location_id = location_id as u32 };
}
unsafe { free(timestamp as *mut libc::c_void) };
}
Ok(())
}
).unwrap(); // TODO: better error handling
}
}
if location_count > 0 {
ret += "</Document>\n</kml>";
success = 1;
}
if 0 != success {
unsafe { ret.strdup() }
} else {
std::ptr::null_mut()
}
}
/*******************************************************************************
* create kml-files
******************************************************************************/
unsafe fn get_kml_timestamp(utc: i64) -> *mut libc::c_char {
// Returns a string formatted as YYYY-MM-DDTHH:MM:SSZ. The trailing `Z` indicates UTC.
let res = chrono::NaiveDateTime::from_timestamp(utc, 0)
.format("%Y-%m-%dT%H:%M:%SZ")
.to_string();
res.strdup()
}
pub unsafe fn dc_get_message_kml(
timestamp: i64,
latitude: libc::c_double,
longitude: libc::c_double,
) -> *mut libc::c_char {
let timestamp_str = get_kml_timestamp(timestamp);
let latitude_str = dc_ftoa(latitude);
let longitude_str = dc_ftoa(longitude);
let ret = dc_mprintf(
b"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n\
<Document>\n\
<Placemark>\
<Timestamp><when>%s</when></Timestamp>\
<Point><coordinates>%s,%s</coordinates></Point>\
</Placemark>\n\
</Document>\n\
</kml>\x00" as *const u8 as *const libc::c_char,
timestamp_str,
longitude_str, // reverse order!
latitude_str,
);
free(latitude_str as *mut libc::c_void);
free(longitude_str as *mut libc::c_void);
free(timestamp_str as *mut libc::c_void);
ret
}
pub fn dc_set_kml_sent_timestamp(context: &Context, chat_id: u32, timestamp: i64) -> bool {
sql::execute(
context,
&context.sql,
"UPDATE chats SET locations_last_sent=? WHERE id=?;",
params![timestamp, chat_id as i32],
)
.is_ok()
}
pub fn dc_set_msg_location_id(context: &Context, msg_id: u32, location_id: u32) -> bool {
sql::execute(
context,
&context.sql,
"UPDATE msgs SET location_id=? WHERE id=?;",
params![location_id, msg_id as i32],
)
.is_ok()
}
pub unsafe fn dc_save_locations(
context: &Context,
chat_id: u32,
contact_id: u32,
locations_opt: &Option<Vec<dc_location>>,
independent: libc::c_int,
) -> u32 {
if chat_id <= 9 || locations_opt.is_none() {
return 0;
}
let locations = locations_opt.as_ref().unwrap();
context
.sql
.prepare2(
"SELECT id FROM locations WHERE timestamp=? AND from_id=?",
"INSERT INTO locations\
(timestamp, from_id, chat_id, latitude, longitude, accuracy, independent) \
VALUES (?,?,?,?,?,?,?);",
|mut stmt_test, mut stmt_insert, conn| {
let mut newest_timestamp = 0;
let mut newest_location_id = 0;
for location in locations {
let exists =
stmt_test.exists(params![location.timestamp, contact_id as i32])?;
if 0 != independent || !exists {
stmt_insert.execute(params![
location.timestamp,
contact_id as i32,
chat_id as i32,
location.latitude,
location.longitude,
location.accuracy,
independent,
])?;
if location.timestamp > newest_timestamp {
newest_timestamp = location.timestamp;
newest_location_id = sql::get_rowid2_with_conn(
context,
conn,
"locations",
"timestamp",
location.timestamp,
"from_id",
contact_id as i32,
);
}
}
}
Ok(newest_location_id)
},
)
.unwrap_or_default()
}
pub unsafe fn dc_kml_parse(
context: &Context,
content: *const libc::c_char,
content_bytes: size_t,
) -> dc_kml_t {
let mut kml = dc_kml_t::new();
if content_bytes > (1 * 1024 * 1024) {
warn!(
context,
0, "A kml-files with {} bytes is larger than reasonably expected.", content_bytes,
);
return kml;
}
let content_null = dc_null_terminate(content, content_bytes as libc::c_int);
if !content_null.is_null() {
let mut reader = quick_xml::Reader::from_str(as_str(content_null));
reader.trim_text(true);
kml.locations = Some(Vec::with_capacity(100));
let mut buf = Vec::new();
loop {
match reader.read_event(&mut buf) {
Ok(quick_xml::events::Event::Start(ref e)) => kml_starttag_cb(e, &mut kml, &reader),
Ok(quick_xml::events::Event::End(ref e)) => kml_endtag_cb(e, &mut kml),
Ok(quick_xml::events::Event::Text(ref e)) => kml_text_cb(e, &mut kml, &reader),
Err(e) => {
error!(
context,
0,
"Location parsing: Error at position {}: {:?}",
reader.buffer_position(),
e
);
}
Ok(quick_xml::events::Event::Eof) => break,
_ => (),
}
buf.clear();
}
}
free(content_null.cast());
kml
}
fn kml_text_cb<B: std::io::BufRead>(
event: &BytesText,
kml: &mut dc_kml_t,
reader: &quick_xml::Reader<B>,
) {
if 0 != kml.tag & (0x4 | 0x10) {
let val = event.unescape_and_decode(reader).unwrap_or_default();
let val = val
.replace("\n", "")
.replace("\r", "")
.replace("\t", "")
.replace(" ", "");
if 0 != kml.tag & 0x4 && val.len() >= 19 {
// YYYY-MM-DDTHH:MM:SSZ
// 0 4 7 10 13 16 19
match chrono::NaiveDateTime::parse_from_str(&val, "%Y-%m-%dT%H:%M:%SZ") {
Ok(res) => {
kml.curr.timestamp = res.timestamp();
if kml.curr.timestamp > time() {
kml.curr.timestamp = time();
}
}
Err(_err) => {
kml.curr.timestamp = time();
}
}
} else if 0 != kml.tag & 0x10 {
let parts = val.splitn(2, ',').collect::<Vec<_>>();
if parts.len() == 2 {
kml.curr.longitude = parts[0].parse().unwrap_or_default();
kml.curr.latitude = parts[1].parse().unwrap_or_default();
}
}
}
}
fn kml_endtag_cb(event: &BytesEnd, kml: &mut dc_kml_t) {
let tag = String::from_utf8_lossy(event.name()).trim().to_lowercase();
if tag == "placemark" {
if 0 != kml.tag & 0x1
&& 0 != kml.curr.timestamp
&& 0. != kml.curr.latitude
&& 0. != kml.curr.longitude
{
if let Some(ref mut locations) = kml.locations {
locations.push(std::mem::replace(&mut kml.curr, dc_location::new()));
}
}
kml.tag = 0
};
}
fn kml_starttag_cb<B: std::io::BufRead>(
event: &BytesStart,
kml: &mut dc_kml_t,
reader: &quick_xml::Reader<B>,
) {
let tag = String::from_utf8_lossy(event.name()).trim().to_lowercase();
if tag == "document" {
if let Some(addr) = event.attributes().find(|attr| {
attr.as_ref()
.map(|a| String::from_utf8_lossy(a.key).trim().to_lowercase() == "addr")
.unwrap_or_default()
}) {
kml.addr = unsafe {
addr.unwrap()
.unescape_and_decode_value(reader)
.unwrap_or_default()
.strdup()
};
}
} else if tag == "placemark" {
kml.tag = 0x1;
kml.curr.timestamp = 0;
kml.curr.latitude = 0 as libc::c_double;
kml.curr.longitude = 0.0f64;
kml.curr.accuracy = 0.0f64
} else if tag == "timestamp" && 0 != kml.tag & 0x1 {
kml.tag = 0x1 | 0x2
} else if tag == "when" && 0 != kml.tag & 0x2 {
kml.tag = 0x1 | 0x2 | 0x4
} else if tag == "point" && 0 != kml.tag & 0x1 {
kml.tag = 0x1 | 0x8
} else if tag == "coordinates" && 0 != kml.tag & 0x8 {
kml.tag = 0x1 | 0x8 | 0x10;
if let Some(acc) = event.attributes().find(|attr| {
attr.as_ref()
.map(|a| String::from_utf8_lossy(a.key).trim().to_lowercase() == "accuracy")
.unwrap_or_default()
}) {
let v = acc
.unwrap()
.unescape_and_decode_value(reader)
.unwrap_or_default();
kml.curr.accuracy = v.trim().parse().unwrap_or_default();
}
}
}
pub unsafe fn dc_kml_unref(kml: &mut dc_kml_t) {
free(kml.addr as *mut libc::c_void);
}
#[allow(non_snake_case)]
pub unsafe fn dc_job_do_DC_JOB_MAYBE_SEND_LOCATIONS(context: &Context, _job: &Job) {
let now = time();
let mut continue_streaming: libc::c_int = 1;
info!(
context,
0, " ----------------- MAYBE_SEND_LOCATIONS -------------- ",
);
context
.sql
.query_map(
"SELECT id, locations_send_begin, locations_last_sent \
FROM chats \
WHERE locations_send_until>?;",
params![now],
|row| {
let chat_id: i32 = row.get(0)?;
let locations_send_begin: i64 = row.get(1)?;
let locations_last_sent: i64 = row.get(2)?;
continue_streaming = 1;
// be a bit tolerant as the timer may not align exactly with time(NULL)
if now - locations_last_sent < (60 - 3) {
Ok(None)
} else {
Ok(Some((chat_id, locations_send_begin, locations_last_sent)))
}
},
|rows| {
context.sql.prepare(
"SELECT id \
FROM locations \
WHERE from_id=? \
AND timestamp>=? \
AND timestamp>? \
AND independent=0 \
ORDER BY timestamp;",
|mut stmt_locations, _| {
for (chat_id, locations_send_begin, locations_last_sent) in
rows.filter_map(|r| match r {
Ok(Some(v)) => Some(v),
_ => None,
})
{
// TODO: do I need to reset?
if !stmt_locations
.exists(params![1, locations_send_begin, locations_last_sent,])
.unwrap_or_default()
{
// if there is no new location, there's nothing to send.
// however, maybe we want to bypass this test eg. 15 minutes
continue;
}
// pending locations are attached automatically to every message,
// so also to this empty text message.
// DC_CMD_LOCATION is only needed to create a nicer subject.
//
// for optimisation and to avoid flooding the sending queue,
// we could sending these messages only if we're really online.
// the easiest way to determine this, is to check for an empty message queue.
// (might not be 100%, however, as positions are sent combined later
// and dc_set_location() is typically called periodically, this is ok)
let mut msg = dc_msg_new(context, Viewtype::Text);
msg.hidden = true;
msg.param.set_int(Param::Cmd, 9);
// TODO: handle cleanup on error
chat::send_msg(context, chat_id as u32, &mut msg).unwrap();
}
Ok(())
},
)
},
)
.unwrap(); // TODO: Better error handling
if 0 != continue_streaming {
schedule_MAYBE_SEND_LOCATIONS(context, 0x1);
}
}
#[allow(non_snake_case)]
pub unsafe fn dc_job_do_DC_JOB_MAYBE_SEND_LOC_ENDED(context: &Context, job: &mut Job) {
// this function is called when location-streaming _might_ have ended for a chat.
// the function checks, if location-streaming is really ended;
// if so, a device-message is added if not yet done.
let chat_id = (*job).foreign_id;
if let Ok((send_begin, send_until)) = context.sql.query_row(
"SELECT locations_send_begin, locations_send_until FROM chats WHERE id=?",
params![chat_id as i32],
|row| Ok((row.get::<_, i64>(0)?, row.get::<_, i64>(1)?)),
) {
if !(send_begin != 0 && time() <= send_until) {
// still streaming -
// may happen as several calls to dc_send_locations_to_chat()
// do not un-schedule pending DC_MAYBE_SEND_LOC_ENDED jobs
if !(send_begin == 0 && send_until == 0) {
// not streaming, device-message already sent
if context.sql.execute(
"UPDATE chats SET locations_send_begin=0, locations_send_until=0 WHERE id=?",
params![chat_id as i32],
).is_ok() {
let stock_str = context.stock_system_msg(StockMessage::MsgLocationDisabled, "", "", 0);
chat::add_device_msg(context, chat_id, stock_str);
context.call_cb(
Event::CHAT_MODIFIED,
chat_id as usize,
0,
);
}
}
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::test_utils::dummy_context;
#[test]
fn test_dc_kml_parse() {
unsafe {
let context = dummy_context();
let xml =
b"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n<Document addr=\"user@example.org\">\n<Placemark><Timestamp><when>2019-03-06T21:09:57Z</when></Timestamp><Point><coordinates accuracy=\"32.000000\">9.423110,53.790302</coordinates></Point></Placemark>\n<PlaceMARK>\n<Timestamp><WHEN > \n\t2018-12-13T22:11:12Z\t</WHEN></Timestamp><Point><coordinates aCCuracy=\"2.500000\"> 19.423110 \t , \n 63.790302\n </coordinates></Point></PlaceMARK>\n</Document>\n</kml>\x00"
as *const u8 as *const libc::c_char;
let mut kml = dc_kml_parse(&context.ctx, xml, strlen(xml));
assert!(!kml.addr.is_null());
assert_eq!(as_str(kml.addr as *const libc::c_char), "user@example.org",);
let locations_ref = &kml.locations.as_ref().unwrap();
assert_eq!(locations_ref.len(), 2);
assert!(locations_ref[0].latitude > 53.6f64);
assert!(locations_ref[0].latitude < 53.8f64);
assert!(locations_ref[0].longitude > 9.3f64);
assert!(locations_ref[0].longitude < 9.5f64);
assert!(locations_ref[0].accuracy > 31.9f64);
assert!(locations_ref[0].accuracy < 32.1f64);
assert_eq!(locations_ref[0].timestamp, 1551906597);
assert!(locations_ref[1].latitude > 63.6f64);
assert!(locations_ref[1].latitude < 63.8f64);
assert!(locations_ref[1].longitude > 19.3f64);
assert!(locations_ref[1].longitude < 19.5f64);
assert!(locations_ref[1].accuracy > 2.4f64);
assert!(locations_ref[1].accuracy < 2.6f64);
assert_eq!(locations_ref[1].timestamp, 1544739072);
dc_kml_unref(&mut kml);
}
}
}

64
src/dc_mimefactory.rs
View File

@@ -16,10 +16,10 @@ 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_strencode::*;
use crate::dc_tools::*;
use crate::error::Error;
use crate::location;
use crate::message::*;
use crate::param::*;
use crate::stock::StockMessage;
@@ -883,45 +883,47 @@ pub unsafe fn dc_mimefactory_render(factory: &mut dc_mimefactory_t) -> libc::c_i
.param
.get_float(Param::SetLongitude)
.unwrap_or_default();
let kml_file =
dc_get_message_kml(factory.msg.timestamp_sort, latitude, longitude);
if !kml_file.is_null() {
let kml_file = location::get_message_kml(
factory.msg.timestamp_sort,
latitude,
longitude,
);
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.strdup(), kml_file.len());
mailmime_smart_add_part(message, kml_mime_part);
}
if location::is_sending_locations_to_chat(
factory.msg.context,
factory.msg.chat_id,
) {
if let Ok((kml_file, last_added_location_id)) =
location::get_kml(factory.msg.context, factory.msg.chat_id)
{
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(factory.msg.context, factory.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(
factory.msg.context,
factory.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));
let kml_mime_part = mailmime_new_empty(content_type, mime_fields);
mailmime_set_body_text(
kml_mime_part,
kml_file.strdup(),
kml_file.len(),
);
mailmime_smart_add_part(message, kml_mime_part);
if !factory.msg.param.exists(Param::SetLatitude) {
// otherwise, the independent location is already filed

37
src/dc_mimeparser.rs
View File

@@ -14,10 +14,10 @@ use mmime::other::*;
use crate::contact::*;
use crate::context::Context;
use crate::dc_e2ee::*;
use crate::dc_location::*;
use crate::dc_simplify::*;
use crate::dc_strencode::*;
use crate::dc_tools::*;
use crate::location;
use crate::param::*;
use crate::stock::StockMessage;
use crate::types::*;
@@ -57,8 +57,8 @@ pub struct dc_mimeparser_t<'a> {
pub context: &'a Context,
pub reports: Vec<*mut mailmime>,
pub is_system_message: libc::c_int,
pub location_kml: Option<dc_kml_t>,
pub message_kml: Option<dc_kml_t>,
pub location_kml: Option<location::Kml>,
pub message_kml: Option<location::Kml>,
}
// deprecated: flag to switch generation of compound messages on and off.
@@ -112,14 +112,7 @@ unsafe fn dc_mimeparser_empty(mimeparser: &mut dc_mimeparser_t) {
mimeparser.decrypting_failed = 0i32;
dc_e2ee_thanks(&mut mimeparser.e2ee_helper);
if let Some(location_kml) = mimeparser.location_kml.as_mut() {
dc_kml_unref(location_kml);
}
mimeparser.location_kml = None;
if let Some(message_kml) = mimeparser.message_kml.as_mut() {
dc_kml_unref(message_kml);
}
mimeparser.message_kml = None;
}
@@ -1300,11 +1293,13 @@ unsafe fn dc_mimeparser_add_single_part_if_known(
4,
) == 0i32
{
mimeparser.location_kml = Some(dc_kml_parse(
mimeparser.context,
decoded_data,
decoded_data_bytes,
));
if !decoded_data.is_null() && decoded_data_bytes > 0 {
let d =
dc_null_terminate(decoded_data, decoded_data_bytes as i32);
mimeparser.location_kml =
location::Kml::parse(mimeparser.context, as_str(d)).ok();
free(d.cast());
}
} else if strncmp(
desired_filename,
b"message\x00" as *const u8 as *const libc::c_char,
@@ -1318,11 +1313,13 @@ unsafe fn dc_mimeparser_add_single_part_if_known(
4,
) == 0i32
{
mimeparser.message_kml = Some(dc_kml_parse(
mimeparser.context,
decoded_data,
decoded_data_bytes,
));
if !decoded_data.is_null() && decoded_data_bytes > 0 {
let d =
dc_null_terminate(decoded_data, decoded_data_bytes as i32);
mimeparser.message_kml =
location::Kml::parse(mimeparser.context, as_str(d)).ok();
free(d.cast());
}
} else {
dc_replace_bad_utf8_chars(desired_filename);
do_add_single_file_part(

42
src/dc_receive_imf.rs
View File

@@ -14,7 +14,6 @@ use crate::chat::{self, Chat};
use crate::constants::*;
use crate::contact::*;
use crate::context::Context;
use crate::dc_location::*;
use crate::dc_mimeparser::*;
use crate::dc_move::*;
use crate::dc_securejoin::*;
@@ -22,6 +21,7 @@ use crate::dc_strencode::*;
use crate::dc_tools::*;
use crate::error::Result;
use crate::job::*;
use crate::location;
use crate::message::*;
use crate::param::*;
use crate::peerstate::*;
@@ -938,36 +938,34 @@ unsafe fn save_locations(
let mut send_event = false;
if !mime_parser.message_kml.is_none() && chat_id > DC_CHAT_ID_LAST_SPECIAL as libc::c_uint {
let newest_location_id: uint32_t = dc_save_locations(
context,
chat_id,
from_id,
&mime_parser.message_kml.as_ref().unwrap().locations,
1,
);
let locations = &mime_parser.message_kml.as_ref().unwrap().locations;
let newest_location_id =
location::save(context, chat_id, from_id, locations, 1).unwrap_or_default();
if 0 != newest_location_id && 0 == hidden {
dc_set_msg_location_id(context, insert_msg_id, newest_location_id);
location_id_written = true;
send_event = true;
if location::set_msg_location_id(context, insert_msg_id, newest_location_id).is_ok() {
location_id_written = true;
send_event = true;
}
}
}
if !mime_parser.location_kml.is_none() && chat_id > DC_CHAT_ID_LAST_SPECIAL as libc::c_uint {
if !mime_parser.location_kml.as_ref().unwrap().addr.is_null() {
if let Some(ref addr) = mime_parser.location_kml.as_ref().unwrap().addr {
if let Ok(contact) = Contact::get_by_id(context, from_id) {
if !contact.get_addr().is_empty()
&& contact.get_addr().to_lowercase()
== as_str(mime_parser.location_kml.as_ref().unwrap().addr).to_lowercase()
&& contact.get_addr().to_lowercase() == addr.to_lowercase()
{
let newest_location_id = dc_save_locations(
context,
chat_id,
from_id,
&mime_parser.location_kml.as_ref().unwrap().locations,
0,
);
let locations = &mime_parser.location_kml.as_ref().unwrap().locations;
let newest_location_id =
location::save(context, chat_id, from_id, locations, 0).unwrap_or_default();
if newest_location_id != 0 && hidden == 0 && !location_id_written {
dc_set_msg_location_id(context, insert_msg_id, newest_location_id);
if let Err(err) = location::set_msg_location_id(
context,
insert_msg_id,
newest_location_id,
) {
error!(context, 0, "Failed to set msg_location_id: {:?}", err);
}
}
send_event = true;
}

26
src/job.rs
View File

@@ -10,11 +10,11 @@ use crate::configure::*;
use crate::constants::*;
use crate::context::Context;
use crate::dc_imex::*;
use crate::dc_location::*;
use crate::dc_loginparam::*;
use crate::dc_mimefactory::*;
use crate::dc_tools::*;
use crate::imap::*;
use crate::location;
use crate::message::*;
use crate::param::*;
use crate::sql;
@@ -739,13 +739,19 @@ pub unsafe fn job_send_msg(context: &Context, msg_id: uint32_t) -> libc::c_int {
chat::set_gossiped_timestamp(context, mimefactory.msg.chat_id, time());
}
if 0 != mimefactory.out_last_added_location_id {
dc_set_kml_sent_timestamp(context, mimefactory.msg.chat_id, time());
if let Err(err) =
location::set_kml_sent_timestamp(context, mimefactory.msg.chat_id, time())
{
error!(context, 0, "Failed to set kml sent_timestamp: {:?}", err);
}
if !mimefactory.msg.hidden {
dc_set_msg_location_id(
if let Err(err) = location::set_msg_location_id(
context,
mimefactory.msg.id,
mimefactory.out_last_added_location_id,
);
) {
error!(context, 0, "Failed to set msg_location_id: {:?}", err);
}
}
}
if 0 != mimefactory.out_encrypted
@@ -875,12 +881,12 @@ fn job_perform(context: &Context, thread: Thread, probe_network: bool) {
Action::SendMdn => job.do_DC_JOB_SEND(context),
Action::ConfigureImap => unsafe { dc_job_do_DC_JOB_CONFIGURE_IMAP(context, &job) },
Action::ImexImap => unsafe { dc_job_do_DC_JOB_IMEX_IMAP(context, &job) },
Action::MaybeSendLocations => unsafe {
dc_job_do_DC_JOB_MAYBE_SEND_LOCATIONS(context, &job)
},
Action::MaybeSendLocationsEnded => unsafe {
dc_job_do_DC_JOB_MAYBE_SEND_LOC_ENDED(context, &mut job)
},
Action::MaybeSendLocations => {
location::job_do_DC_JOB_MAYBE_SEND_LOCATIONS(context, &job)
}
Action::MaybeSendLocationsEnded => {
location::job_do_DC_JOB_MAYBE_SEND_LOC_ENDED(context, &mut job)
}
Action::Housekeeping => sql::housekeeping(context),
Action::SendMdnOld => {}
Action::SendMsgToSmtpOld => {}

2
src/lib.rs
View File

@@ -35,6 +35,7 @@ pub mod job;
mod job_thread;
pub mod key;
pub mod keyring;
pub mod location;
pub mod lot;
pub mod message;
pub mod oauth2;
@@ -52,7 +53,6 @@ pub mod dc_array;
mod dc_dehtml;
mod dc_e2ee;
pub mod dc_imex;
pub mod dc_location;
mod dc_loginparam;
mod dc_mimefactory;
pub mod dc_mimeparser;

696
src/location.rs Normal file
View File

@@ -0,0 +1,696 @@
use bitflags::bitflags;
use quick_xml;
use quick_xml::events::{BytesEnd, BytesStart, BytesText};
use crate::chat;
use crate::constants::Event;
use crate::constants::*;
use crate::context::*;
use crate::dc_tools::*;
use crate::error::Error;
use crate::job::*;
use crate::message::*;
use crate::param::*;
use crate::sql;
use crate::stock::StockMessage;
use crate::types::*;
// location handling
#[derive(Debug, Clone, Default)]
pub struct Location {
pub location_id: u32,
pub latitude: f64,
pub longitude: f64,
pub accuracy: f64,
pub timestamp: i64,
pub contact_id: u32,
pub msg_id: u32,
pub chat_id: u32,
pub marker: Option<String>,
pub independent: u32,
}
impl Location {
pub fn new() -> Self {
Default::default()
}
}
#[derive(Debug, Clone, Default)]
pub struct Kml {
pub addr: Option<String>,
pub locations: Vec<Location>,
tag: KmlTag,
pub curr: Location,
}
bitflags! {
#[derive(Default)]
struct KmlTag: i32 {
const UNDEFINED = 0x00;
const PLACEMARK = 0x01;
const TIMESTAMP = 0x02;
const WHEN = 0x04;
const POINT = 0x08;
const COORDINATES = 0x10;
}
}
impl Kml {
pub fn new() -> Self {
Default::default()
}
pub fn parse(context: &Context, content: impl AsRef<str>) -> Result<Self, Error> {
ensure!(
content.as_ref().len() <= (1 * 1024 * 1024),
"A kml-files with {} bytes is larger than reasonably expected.",
content.as_ref().len()
);
let mut reader = quick_xml::Reader::from_str(content.as_ref());
reader.trim_text(true);
let mut kml = Kml::new();
kml.locations = Vec::with_capacity(100);
let mut buf = Vec::new();
loop {
match reader.read_event(&mut buf) {
Ok(quick_xml::events::Event::Start(ref e)) => kml.starttag_cb(e, &reader),
Ok(quick_xml::events::Event::End(ref e)) => kml.endtag_cb(e),
Ok(quick_xml::events::Event::Text(ref e)) => kml.text_cb(e, &reader),
Err(e) => {
error!(
context,
0,
"Location parsing: Error at position {}: {:?}",
reader.buffer_position(),
e
);
}
Ok(quick_xml::events::Event::Eof) => break,
_ => (),
}
buf.clear();
}
Ok(kml)
}
fn text_cb<B: std::io::BufRead>(&mut self, event: &BytesText, reader: &quick_xml::Reader<B>) {
if self.tag.contains(KmlTag::WHEN) || self.tag.contains(KmlTag::COORDINATES) {
let val = event.unescape_and_decode(reader).unwrap_or_default();
let val = val
.replace("\n", "")
.replace("\r", "")
.replace("\t", "")
.replace(" ", "");
if self.tag.contains(KmlTag::WHEN) && val.len() >= 19 {
// YYYY-MM-DDTHH:MM:SSZ
// 0 4 7 10 13 16 19
match chrono::NaiveDateTime::parse_from_str(&val, "%Y-%m-%dT%H:%M:%SZ") {
Ok(res) => {
self.curr.timestamp = res.timestamp();
if self.curr.timestamp > time() {
self.curr.timestamp = time();
}
}
Err(_err) => {
self.curr.timestamp = time();
}
}
} else if self.tag.contains(KmlTag::COORDINATES) {
let parts = val.splitn(2, ',').collect::<Vec<_>>();
if parts.len() == 2 {
self.curr.longitude = parts[0].parse().unwrap_or_default();
self.curr.latitude = parts[1].parse().unwrap_or_default();
}
}
}
}
fn endtag_cb(&mut self, event: &BytesEnd) {
let tag = String::from_utf8_lossy(event.name()).trim().to_lowercase();
if tag == "placemark" {
if self.tag.contains(KmlTag::PLACEMARK)
&& 0 != self.curr.timestamp
&& 0. != self.curr.latitude
&& 0. != self.curr.longitude
{
self.locations
.push(std::mem::replace(&mut self.curr, Location::new()));
}
self.tag = KmlTag::UNDEFINED;
};
}
fn starttag_cb<B: std::io::BufRead>(
&mut self,
event: &BytesStart,
reader: &quick_xml::Reader<B>,
) {
let tag = String::from_utf8_lossy(event.name()).trim().to_lowercase();
if tag == "document" {
if let Some(addr) = event.attributes().find(|attr| {
attr.as_ref()
.map(|a| String::from_utf8_lossy(a.key).trim().to_lowercase() == "addr")
.unwrap_or_default()
}) {
self.addr = addr.unwrap().unescape_and_decode_value(reader).ok();
}
} else if tag == "placemark" {
self.tag = KmlTag::PLACEMARK;
self.curr.timestamp = 0;
self.curr.latitude = 0.0;
self.curr.longitude = 0.0;
self.curr.accuracy = 0.0
} else if tag == "timestamp" && self.tag.contains(KmlTag::PLACEMARK) {
self.tag = KmlTag::PLACEMARK | KmlTag::TIMESTAMP
} else if tag == "when" && self.tag.contains(KmlTag::TIMESTAMP) {
self.tag = KmlTag::PLACEMARK | KmlTag::TIMESTAMP | KmlTag::WHEN
} else if tag == "point" && self.tag.contains(KmlTag::PLACEMARK) {
self.tag = KmlTag::PLACEMARK | KmlTag::POINT
} else if tag == "coordinates" && self.tag.contains(KmlTag::POINT) {
self.tag = KmlTag::PLACEMARK | KmlTag::POINT | KmlTag::COORDINATES;
if let Some(acc) = event.attributes().find(|attr| {
attr.as_ref()
.map(|a| String::from_utf8_lossy(a.key).trim().to_lowercase() == "accuracy")
.unwrap_or_default()
}) {
let v = acc
.unwrap()
.unescape_and_decode_value(reader)
.unwrap_or_default();
self.curr.accuracy = v.trim().parse().unwrap_or_default();
}
}
}
}
// location streaming
pub fn send_locations_to_chat(context: &Context, chat_id: u32, seconds: i64) {
let now = time();
let mut msg: Message;
let is_sending_locations_before: bool;
if !(seconds < 0 || chat_id <= 9i32 as libc::c_uint) {
is_sending_locations_before = is_sending_locations_to_chat(context, chat_id);
if sql::execute(
context,
&context.sql,
"UPDATE chats \
SET locations_send_begin=?, \
locations_send_until=? \
WHERE id=?",
params![
if 0 != seconds { now } else { 0 },
if 0 != seconds { now + seconds } else { 0 },
chat_id as i32,
],
)
.is_ok()
{
if 0 != seconds && !is_sending_locations_before {
msg = dc_msg_new(context, Viewtype::Text);
msg.text =
Some(context.stock_system_msg(StockMessage::MsgLocationEnabled, "", "", 0));
msg.param.set_int(Param::Cmd, 8);
unsafe { chat::send_msg(context, chat_id, &mut msg).unwrap() };
} else if 0 == seconds && is_sending_locations_before {
let stock_str =
context.stock_system_msg(StockMessage::MsgLocationDisabled, "", "", 0);
chat::add_device_msg(context, chat_id, stock_str);
}
context.call_cb(
Event::CHAT_MODIFIED,
chat_id as uintptr_t,
0i32 as uintptr_t,
);
if 0 != seconds {
schedule_MAYBE_SEND_LOCATIONS(context, 0i32);
job_add(
context,
Action::MaybeSendLocationsEnded,
chat_id as libc::c_int,
Params::new(),
seconds + 1,
);
}
}
}
}
#[allow(non_snake_case)]
fn schedule_MAYBE_SEND_LOCATIONS(context: &Context, flags: i32) {
if 0 != flags & 0x1 || !job_action_exists(context, Action::MaybeSendLocations) {
job_add(context, Action::MaybeSendLocations, 0, Params::new(), 60);
};
}
pub fn is_sending_locations_to_chat(context: &Context, chat_id: u32) -> bool {
context
.sql
.exists(
"SELECT id FROM chats WHERE (? OR id=?) AND locations_send_until>?;",
params![if chat_id == 0 { 1 } else { 0 }, chat_id as i32, time()],
)
.unwrap_or_default()
}
pub fn set(context: &Context, latitude: f64, longitude: f64, accuracy: f64) -> libc::c_int {
if latitude == 0.0 && longitude == 0.0 {
return 1;
}
context.sql.query_map(
"SELECT id FROM chats WHERE locations_send_until>?;",
params![time()], |row| row.get::<_, i32>(0),
|chats| {
let mut continue_streaming = false;
for chat in chats {
let chat_id = chat?;
context.sql.execute(
"INSERT INTO locations \
(latitude, longitude, accuracy, timestamp, chat_id, from_id) VALUES (?,?,?,?,?,?);",
params![
latitude,
longitude,
accuracy,
time(),
chat_id,
1,
]
)?;
continue_streaming = true;
}
if continue_streaming {
context.call_cb(Event::LOCATION_CHANGED, 1, 0);
};
schedule_MAYBE_SEND_LOCATIONS(context, 0);
Ok(continue_streaming as libc::c_int)
}
).unwrap_or_default()
}
pub fn get_range(
context: &Context,
chat_id: u32,
contact_id: u32,
timestamp_from: i64,
mut timestamp_to: i64,
) -> Vec<Location> {
if timestamp_to == 0 {
timestamp_to = time() + 10;
}
context
.sql
.query_map(
"SELECT l.id, l.latitude, l.longitude, l.accuracy, l.timestamp, l.independent, \
m.id, l.from_id, l.chat_id, m.txt \
FROM locations l LEFT JOIN msgs m ON l.id=m.location_id WHERE (? OR l.chat_id=?) \
AND (? OR l.from_id=?) \
AND (l.independent=1 OR (l.timestamp>=? AND l.timestamp<=?)) \
ORDER BY l.timestamp DESC, l.id DESC, m.id DESC;",
params![
if chat_id == 0 { 1 } else { 0 },
chat_id as i32,
if contact_id == 0 { 1 } else { 0 },
contact_id as i32,
timestamp_from,
timestamp_to,
],
|row| {
let msg_id = row.get(6)?;
let txt: String = row.get(9)?;
let marker = if msg_id != 0 && is_marker(&txt) {
Some(txt)
} else {
None
};
let loc = Location {
location_id: row.get(0)?,
latitude: row.get(1)?,
longitude: row.get(2)?,
accuracy: row.get(3)?,
timestamp: row.get(4)?,
independent: row.get(5)?,
msg_id,
contact_id: row.get(7)?,
chat_id: row.get(8)?,
marker,
};
Ok(loc)
},
|locations| {
let mut ret = Vec::new();
for location in locations {
ret.push(location?);
}
Ok(ret)
},
)
.unwrap_or_default()
}
fn is_marker(txt: &str) -> bool {
txt.len() == 1 && txt.chars().next().unwrap() != ' '
}
pub fn delete_all(context: &Context) -> Result<(), Error> {
sql::execute(context, &context.sql, "DELETE FROM locations;", params![])?;
context.call_cb(Event::LOCATION_CHANGED, 0, 0);
Ok(())
}
pub fn get_kml(context: &Context, chat_id: u32) -> Result<(String, u32), Error> {
let now = time();
let mut location_count = 0;
let mut ret = String::new();
let mut last_added_location_id = 0;
let self_addr = context
.sql
.get_config(context, "configured_addr")
.unwrap_or_default();
let (locations_send_begin, locations_send_until, locations_last_sent) = context.sql.query_row(
"SELECT locations_send_begin, locations_send_until, locations_last_sent FROM chats WHERE id=?;",
params![chat_id as i32], |row| {
let send_begin: i64 = row.get(0)?;
let send_until: i64 = row.get(1)?;
let last_sent: i64 = row.get(2)?;
Ok((send_begin, send_until, last_sent))
})?;
if !(locations_send_begin == 0 || now > locations_send_until) {
ret += &format!(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n<Document addr=\"{}\">\n",
self_addr,
);
context.sql.query_map(
"SELECT id, latitude, longitude, accuracy, timestamp\
FROM locations WHERE from_id=? \
AND timestamp>=? \
AND (timestamp>=? OR timestamp=(SELECT MAX(timestamp) FROM locations WHERE from_id=?)) \
AND independent=0 \
GROUP BY timestamp \
ORDER BY timestamp;",
params![1, locations_send_begin, locations_last_sent, 1],
|row| {
let location_id: i32 = row.get(0)?;
let latitude: f64 = row.get(1)?;
let longitude: f64 = row.get(2)?;
let accuracy: f64 = row.get(3)?;
let timestamp = get_kml_timestamp(row.get(4)?);
Ok((location_id, latitude, longitude, accuracy, timestamp))
},
|rows| {
for row in rows {
let (location_id, latitude, longitude, accuracy, timestamp) = row?;
ret += &format!(
"<Placemark><Timestamp><when>{}</when></Timestamp><Point><coordinates accuracy=\"{}\">{},{}</coordinates></Point></Placemark>\n\x00",
timestamp,
accuracy,
longitude,
latitude
);
location_count += 1;
last_added_location_id = location_id as u32;
}
Ok(())
}
)?;
}
ensure!(location_count > 0, "No locations processed");
ret += "</Document>\n</kml>";
Ok((ret, last_added_location_id))
}
fn get_kml_timestamp(utc: i64) -> String {
// Returns a string formatted as YYYY-MM-DDTHH:MM:SSZ. The trailing `Z` indicates UTC.
chrono::NaiveDateTime::from_timestamp(utc, 0)
.format("%Y-%m-%dT%H:%M:%SZ")
.to_string()
}
pub fn get_message_kml(timestamp: i64, latitude: f64, longitude: f64) -> String {
format!(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n\
<Document>\n\
<Placemark>\
<Timestamp><when>{}</when></Timestamp>\
<Point><coordinates>{:.2},{:.2}</coordinates></Point>\
</Placemark>\n\
</Document>\n\
</kml>",
get_kml_timestamp(timestamp),
longitude,
latitude,
)
}
pub fn set_kml_sent_timestamp(
context: &Context,
chat_id: u32,
timestamp: i64,
) -> Result<(), Error> {
sql::execute(
context,
&context.sql,
"UPDATE chats SET locations_last_sent=? WHERE id=?;",
params![timestamp, chat_id as i32],
)?;
Ok(())
}
pub fn set_msg_location_id(context: &Context, msg_id: u32, location_id: u32) -> Result<(), Error> {
sql::execute(
context,
&context.sql,
"UPDATE msgs SET location_id=? WHERE id=?;",
params![location_id, msg_id as i32],
)?;
Ok(())
}
pub fn save(
context: &Context,
chat_id: u32,
contact_id: u32,
locations: &[Location],
independent: i32,
) -> Result<u32, Error> {
ensure!(chat_id > 9, "Invalid chat id");
context.sql.prepare2(
"SELECT id FROM locations WHERE timestamp=? AND from_id=?",
"INSERT INTO locations\
(timestamp, from_id, chat_id, latitude, longitude, accuracy, independent) \
VALUES (?,?,?,?,?,?,?);",
|mut stmt_test, mut stmt_insert, conn| {
let mut newest_timestamp = 0;
let mut newest_location_id = 0;
for location in locations {
let exists = stmt_test.exists(params![location.timestamp, contact_id as i32])?;
if 0 != independent || !exists {
stmt_insert.execute(params![
location.timestamp,
contact_id as i32,
chat_id as i32,
location.latitude,
location.longitude,
location.accuracy,
independent,
])?;
if location.timestamp > newest_timestamp {
newest_timestamp = location.timestamp;
newest_location_id = sql::get_rowid2_with_conn(
context,
conn,
"locations",
"timestamp",
location.timestamp,
"from_id",
contact_id as i32,
);
}
}
}
Ok(newest_location_id)
},
)
}
#[allow(non_snake_case)]
pub fn job_do_DC_JOB_MAYBE_SEND_LOCATIONS(context: &Context, _job: &Job) {
let now = time();
let mut continue_streaming: libc::c_int = 1;
info!(
context,
0, " ----------------- MAYBE_SEND_LOCATIONS -------------- ",
);
context
.sql
.query_map(
"SELECT id, locations_send_begin, locations_last_sent \
FROM chats \
WHERE locations_send_until>?;",
params![now],
|row| {
let chat_id: i32 = row.get(0)?;
let locations_send_begin: i64 = row.get(1)?;
let locations_last_sent: i64 = row.get(2)?;
continue_streaming = 1;
// be a bit tolerant as the timer may not align exactly with time(NULL)
if now - locations_last_sent < (60 - 3) {
Ok(None)
} else {
Ok(Some((chat_id, locations_send_begin, locations_last_sent)))
}
},
|rows| {
context.sql.prepare(
"SELECT id \
FROM locations \
WHERE from_id=? \
AND timestamp>=? \
AND timestamp>? \
AND independent=0 \
ORDER BY timestamp;",
|mut stmt_locations, _| {
for (chat_id, locations_send_begin, locations_last_sent) in
rows.filter_map(|r| match r {
Ok(Some(v)) => Some(v),
_ => None,
})
{
// TODO: do I need to reset?
if !stmt_locations
.exists(params![1, locations_send_begin, locations_last_sent,])
.unwrap_or_default()
{
// if there is no new location, there's nothing to send.
// however, maybe we want to bypass this test eg. 15 minutes
continue;
}
// pending locations are attached automatically to every message,
// so also to this empty text message.
// DC_CMD_LOCATION is only needed to create a nicer subject.
//
// for optimisation and to avoid flooding the sending queue,
// we could sending these messages only if we're really online.
// the easiest way to determine this, is to check for an empty message queue.
// (might not be 100%, however, as positions are sent combined later
// and dc_set_location() is typically called periodically, this is ok)
let mut msg = dc_msg_new(context, Viewtype::Text);
msg.hidden = true;
msg.param.set_int(Param::Cmd, 9);
// TODO: handle cleanup on error
unsafe { chat::send_msg(context, chat_id as u32, &mut msg).unwrap() };
}
Ok(())
},
)
},
)
.unwrap(); // TODO: Better error handling
if 0 != continue_streaming {
schedule_MAYBE_SEND_LOCATIONS(context, 0x1);
}
}
#[allow(non_snake_case)]
pub fn job_do_DC_JOB_MAYBE_SEND_LOC_ENDED(context: &Context, job: &mut Job) {
// this function is called when location-streaming _might_ have ended for a chat.
// the function checks, if location-streaming is really ended;
// if so, a device-message is added if not yet done.
let chat_id = job.foreign_id;
if let Ok((send_begin, send_until)) = context.sql.query_row(
"SELECT locations_send_begin, locations_send_until FROM chats WHERE id=?",
params![chat_id as i32],
|row| Ok((row.get::<_, i64>(0)?, row.get::<_, i64>(1)?)),
) {
if !(send_begin != 0 && time() <= send_until) {
// still streaming -
// may happen as several calls to dc_send_locations_to_chat()
// do not un-schedule pending DC_MAYBE_SEND_LOC_ENDED jobs
if !(send_begin == 0 && send_until == 0) {
// not streaming, device-message already sent
if context.sql.execute(
"UPDATE chats SET locations_send_begin=0, locations_send_until=0 WHERE id=?",
params![chat_id as i32],
).is_ok() {
let stock_str = context.stock_system_msg(StockMessage::MsgLocationDisabled, "", "", 0);
chat::add_device_msg(context, chat_id, stock_str);
context.call_cb(
Event::CHAT_MODIFIED,
chat_id as usize,
0,
);
}
}
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::test_utils::dummy_context;
#[test]
fn test_kml_parse() {
let context = dummy_context();
let xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n<Document addr=\"user@example.org\">\n<Placemark><Timestamp><when>2019-03-06T21:09:57Z</when></Timestamp><Point><coordinates accuracy=\"32.000000\">9.423110,53.790302</coordinates></Point></Placemark>\n<PlaceMARK>\n<Timestamp><WHEN > \n\t2018-12-13T22:11:12Z\t</WHEN></Timestamp><Point><coordinates aCCuracy=\"2.500000\"> 19.423110 \t , \n 63.790302\n </coordinates></Point></PlaceMARK>\n</Document>\n</kml>";
let kml = Kml::parse(&context.ctx, &xml).expect("parsing failed");
assert!(kml.addr.is_some());
assert_eq!(kml.addr.as_ref().unwrap(), "user@example.org",);
let locations_ref = &kml.locations;
assert_eq!(locations_ref.len(), 2);
assert!(locations_ref[0].latitude > 53.6f64);
assert!(locations_ref[0].latitude < 53.8f64);
assert!(locations_ref[0].longitude > 9.3f64);
assert!(locations_ref[0].longitude < 9.5f64);
assert!(locations_ref[0].accuracy > 31.9f64);
assert!(locations_ref[0].accuracy < 32.1f64);
assert_eq!(locations_ref[0].timestamp, 1551906597);
assert!(locations_ref[1].latitude > 63.6f64);
assert!(locations_ref[1].latitude < 63.8f64);
assert!(locations_ref[1].longitude > 19.3f64);
assert!(locations_ref[1].longitude < 19.5f64);
assert!(locations_ref[1].accuracy > 2.4f64);
assert!(locations_ref[1].accuracy < 2.6f64);
assert_eq!(locations_ref[1].timestamp, 1544739072);
}
}