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use {App, AppError};
use ffi_utils::{FFI_RESULT_OK, FfiResult, OpaqueCtx, SafePtr, catch_unwind_cb, from_c_str};
use futures::Future;
use object_cache::MDataInfoHandle;
use safe_core::FutureExt;
use safe_core::ipc::req::containers_into_vec;
use safe_core::ipc::req::ffi::ContainerPermissions;
use std::os::raw::{c_char, c_void};
#[no_mangle]
pub unsafe extern "C" fn access_container_refresh_access_info(
app: *const App,
user_data: *mut c_void,
o_cb: extern "C" fn(*mut c_void, FfiResult),
) {
catch_unwind_cb(user_data, o_cb, || {
let user_data = OpaqueCtx(user_data);
(*app).send(move |client, context| {
context
.refresh_access_info(client)
.then(move |res| {
call_result_cb!(res, user_data, o_cb);
Ok(())
})
.into_box()
.into()
})
})
}
#[no_mangle]
pub unsafe extern "C" fn access_container_fetch(
app: *const App,
user_data: *mut c_void,
o_cb: extern "C" fn(*mut c_void, FfiResult, *const ContainerPermissions, usize),
) {
catch_unwind_cb(user_data, o_cb, || {
let user_data = OpaqueCtx(user_data);
(*app).send(move |client, context| {
context
.get_access_info(client)
.and_then(move |containers| {
let ffi_containers = containers_into_vec(containers.into_iter().map(
|(key, (_, value))| (key, value),
))?;
o_cb(
user_data.0,
FFI_RESULT_OK,
ffi_containers.as_safe_ptr(),
ffi_containers.len(),
);
Ok(())
})
.map_err(move |e| {
call_result_cb!(Err::<(), _>(e), user_data, o_cb);
})
.into_box()
.into()
})
})
}
#[no_mangle]
pub unsafe extern "C" fn access_container_get_container_mdata_info(
app: *const App,
name: *const c_char,
user_data: *mut c_void,
o_cb: extern "C" fn(*mut c_void, FfiResult, MDataInfoHandle),
) {
catch_unwind_cb(user_data, o_cb, || {
let user_data = OpaqueCtx(user_data);
let name = from_c_str(name)?;
(*app).send(move |client, context| {
let context = context.clone();
context
.get_access_info(client)
.map(move |containers| if let Some(&(ref mdata_info, _)) =
containers.get(&name)
{
let handle = context.object_cache().insert_mdata_info(mdata_info.clone());
o_cb(user_data.0, FFI_RESULT_OK, handle);
} else {
call_result_cb!(Err::<(), _>(AppError::NoSuchContainer), user_data, o_cb);
})
.map_err(move |err| {
call_result_cb!(Err::<(), _>(err), user_data, o_cb);
})
.into_box()
.into()
})
})
}
#[cfg(test)]
mod tests {
use errors::AppError;
use ffi::access_container::*;
use ffi_utils::{ReprC, from_c_str};
use ffi_utils::test_utils::{call_1, call_vec};
use safe_core::DIR_TAG;
use safe_core::ipc::req::{Permission, container_perms_from_repr_c};
use std::collections::{BTreeSet, HashMap};
use std::ffi::CString;
use test_utils::{create_app_with_access, run_now};
#[test]
fn get_access_info() {
let mut container_permissions = HashMap::new();
let _ = container_permissions.insert("_videos".to_string(), btree_set![Permission::Read]);
let app = create_app_with_access(container_permissions);
let perms: Vec<PermSet> =
unsafe { unwrap!(call_vec(|ud, cb| access_container_fetch(&app, ud, cb))) };
let perms: HashMap<String, BTreeSet<Permission>> =
perms.into_iter().map(|val| (val.0, val.1)).collect();
assert_eq!(perms["_videos"], btree_set![Permission::Read]);
assert_eq!(perms.len(), 2);
let md_info_h = {
let videos_str = unwrap!(CString::new("_videos"));
unsafe {
unwrap!(call_1(|ud, cb| {
access_container_get_container_mdata_info(&app, videos_str.as_ptr(), ud, cb)
}))
}
};
run_now(&app, move |_, context| {
let info = unwrap!(context.object_cache().get_mdata_info(md_info_h));
assert_eq!(info.type_tag, DIR_TAG);
})
}
struct PermSet(String, BTreeSet<Permission>);
impl ReprC for PermSet {
type C = *const ContainerPermissions;
type Error = AppError;
unsafe fn clone_from_repr_c(c_repr: Self::C) -> Result<Self, Self::Error> {
Ok(PermSet(
from_c_str((*c_repr).cont_name)?,
container_perms_from_repr_c((*c_repr).access)?,
))
}
}
}