cory/tildefriends
5
6
Fork 2
Code Issues 38 Pull Requests Actions Releases 33 Wiki Activity

Move ssb.appendMessageWithIdentity's DB work off the main thread.

Browse Source
This commit is contained in:
Cory McWilliams
2024-06-16 07:51:06 -04:00
parent 2bc71a18a6
commit 991022adfc
4 changed files with 70 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
src/ssb.js.c
View File

@ -663,8 +663,15 @@ static JSValue _tf_ssb_getIdentityInfo(JSContext* context, JSValueConst this_val
typedef struct _append_message_t
{
char id[k_id_base64_len];
uint8_t private_key[crypto_sign_SECRETKEYBYTES];
bool got_private_key;
char previous_id[512];
int64_t previous_sequence;
JSContext* context;
JSValue promise[2];
JSValue message;
char user[];
} append_message_t;
static void _tf_ssb_appendMessage_finish(append_message_t* async, bool success, JSValue result)
@ -672,6 +679,7 @@ static void _tf_ssb_appendMessage_finish(append_message_t* async, bool success,
JSValue error = JS_Call(async->context, success ? async->promise[0] : async->promise[1], JS_UNDEFINED, 1, &result);
tf_util_report_error(async->context, error);
JS_FreeValue(async->context, error);
JS_FreeValue(async->context, async->message);
JS_FreeValue(async->context, async->promise[0]);
JS_FreeValue(async->context, async->promise[1]);
tf_free(async);
@ -688,35 +696,50 @@ static void _tf_ssb_appendMessageWithIdentity_callback(const char* id, bool veri
_tf_ssb_appendMessage_finish(async, verified, result);
}
static JSValue _tf_ssb_appendMessageWithIdentity(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
static void _tf_ssb_append_message_with_identity_get_key_work(tf_ssb_t* ssb, void* user_data)
{
append_message_t* async = tf_malloc(sizeof(append_message_t));
*async = (append_message_t) { .context = context };
JSValue result = JS_NewPromiseCapability(context, async->promise);
append_message_t* work = user_data;
work->got_private_key = tf_ssb_db_identity_get_private_key(ssb, work->user, work->id, work->private_key, sizeof(work->private_key));
tf_ssb_db_get_latest_message_by_author(ssb, work->id, &work->previous_sequence, work->previous_id, sizeof(work->previous_id));
}
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
if (ssb)
static void _tf_ssb_append_message_with_identity_get_key_after_work(tf_ssb_t* ssb, int status, void* user_data)
{
append_message_t* work = user_data;
if (work->got_private_key)
{
const char* user = JS_ToCString(context, argv[0]);
const char* id = JS_ToCString(context, argv[1]);
uint8_t private_key[crypto_sign_SECRETKEYBYTES];
if (tf_ssb_db_identity_get_private_key(ssb, user, id, private_key, sizeof(private_key)))
{
JSValue signed_message = tf_ssb_sign_message(ssb, id, private_key, argv[2]);
tf_ssb_verify_strip_and_store_message(ssb, signed_message, _tf_ssb_appendMessageWithIdentity_callback, async);
JS_FreeValue(context, signed_message);
}
else
{
_tf_ssb_appendMessage_finish(async, false, JS_ThrowInternalError(context, "Unable to get private key for user %s with identity %s.", user, id));
}
JS_FreeCString(context, id);
JS_FreeCString(context, user);
JSValue signed_message = tf_ssb_sign_message(ssb, work->id, work->private_key, work->message, work->previous_id, work->previous_sequence);
tf_ssb_verify_strip_and_store_message(ssb, signed_message, _tf_ssb_appendMessageWithIdentity_callback, work);
JS_FreeValue(work->context, signed_message);
}
else
{
_tf_ssb_appendMessage_finish(async, false, JS_ThrowInternalError(context, "No SSB instance."));
_tf_ssb_appendMessage_finish(work, false, JS_ThrowInternalError(work->context, "Unable to get private key for user %s with identity %s.", work->user, work->id));
}
}
static JSValue _tf_ssb_appendMessageWithIdentity(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
if (!ssb)
{
return JS_ThrowInternalError(context, "No SSB instance.");
}
size_t user_length = 0;
const char* user = JS_ToCStringLen(context, &user_length, argv[0]);
const char* id = JS_ToCString(context, argv[1]);
append_message_t* work = tf_malloc(sizeof(append_message_t) + user_length + 1);
*work = (append_message_t) { .context = context, .message = JS_DupValue(context, argv[2]) };
memcpy(work->user, user, user_length + 1);
snprintf(work->id, sizeof(work->id), "%s", id);
JS_FreeCString(context, id);
JS_FreeCString(context, user);
JSValue result = JS_NewPromiseCapability(context, work->promise);
tf_ssb_run_work(ssb, _tf_ssb_append_message_with_identity_get_key_work, _tf_ssb_append_message_with_identity_get_key_after_work, work);
return result;
}