tildefriends/src/ssb.qjs.c

#include "ssb.qjs.h"

#include "ssb.db.h"
#include "ssb.h"
#include "task.h"

#include <malloc.h>
#include <sodium/crypto_hash_sha256.h>
#include <sodium/crypto_sign.h>
#include <string.h>
#include <uv.h>

#include "quickjs-libc.h"

static JSClassID _tf_ssb_classId;

static JSValue _tf_ssb_whoami(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		char id[512];
		if (tf_ssb_whoami(ssb, id, sizeof(id))) {
			return JS_NewString(context, id);
		}
	}
	return JS_NULL;
}

static JSValue _tf_ssb_getMessage(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue result = JS_NULL;
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		const char* id = JS_ToCString(context, argv[0]);
		int64_t sequence = 0;
		JS_ToInt64(context, &sequence, argv[1]);
		int64_t timestamp = -1;
		char* contents = NULL;
		if (tf_ssb_db_get_message_by_author_and_sequence(ssb, id, sequence, NULL, 0, &timestamp, &contents)) {
			result = JS_NewObject(context);
			JS_SetPropertyStr(context, result, "timestamp", JS_NewInt64(context, timestamp));
			JS_SetPropertyStr(context, result, "content", JS_NewString(context, contents));
			free(contents);
		}
		JS_FreeCString(context, id);
	}
	return result;
}

static JSValue _tf_ssb_blobGet(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue result = JS_NULL;
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		const char* id = JS_ToCString(context, argv[0]);
		uint8_t* blob = NULL;
		size_t size = 0;
		if (tf_ssb_db_blob_get(ssb, id, &blob, &size)) {
			result = JS_NewArrayBufferCopy(context, blob, size);
			free(blob);
		}
	}
	return result;
}

static JSValue _tf_ssb_blobStore(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue result = JS_NULL;
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		uint8_t* blob = NULL;
		size_t size = 0;
		char id[512];
		if (JS_IsString(argv[0])) {
			const char* text = JS_ToCStringLen(context, &size, argv[0]);
			if (tf_ssb_db_blob_store(ssb, (const uint8_t*)text, size, id, sizeof(id))) {
				result = JS_NewString(context, id);
			}
			JS_FreeCString(context, text);
		} else if ((blob = tf_try_get_array_buffer(context, &size, argv[0])) != 0) {
			if (tf_ssb_db_blob_store(ssb, blob, size, id, sizeof(id))) {
				result = JS_NewString(context, id);
			}
		}
	}
	return result;
}

static JSValue _tf_ssb_messageContentGet(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue result = JS_NULL;
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		const char* id = JS_ToCString(context, argv[0]);
		uint8_t* blob = NULL;
		size_t size = 0;
		if (tf_ssb_db_message_content_get(ssb, id, &blob, &size)) {
			result = JS_NewArrayBufferCopy(context, blob, size);
			free(blob);
		}
	}
	return result;
}

static JSValue _tf_ssb_connections(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue result = JS_NULL;
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		const char** connections = tf_ssb_get_connection_ids(ssb);
		if (connections) {
			result = JS_NewArray(context);
			uint32_t i = 0;
			for (const char** p = connections; *p; p++, i++) {
				JS_SetPropertyUint32(context, result, i, JS_NewString(context, *p));
			}
			free(connections);
		}
	}
	return result;
}

static JSValue _tf_ssb_createHistoryStream(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		const char* id = JS_ToCString(context, argv[0]);
		tf_ssb_send_createHistoryStream(ssb, id);
		JS_FreeCString(context, id);
	}
	return JS_NULL;
}

static void _check_call(JSContext* context, JSValue result)
{
	if (JS_IsError(context, result))
	{
		const char* value = JS_ToCString(context, result);
		printf("ERROR: %s\n", value);
		JS_FreeCString(context, value);
		JSValue stack = JS_GetPropertyStr(context, result, "stack");
		if (!JS_IsUndefined(stack)) {
			const char* stack_str = JS_ToCString(context, stack);
			printf("%s\n", stack_str);
			JS_FreeCString(context, stack_str);
		}
		JS_FreeValue(context, stack);
	}
	else if (JS_IsException(result))
	{
		js_std_dump_error(context);
		JSValue error = JS_GetException(context);
		const char* value = JS_ToCString(context, error);
		printf("Exception: %s\n", value);
		JS_FreeCString(context, value);
		JS_FreeValue(context, error);
		abort();
	}
}

typedef struct _sqlStream_callback_t
{
	JSContext* context;
	JSValue callback;
} sqlStream_callback_t;

static void _tf_ssb_sqlStream_callback(JSValue row, void* user_data) {
	sqlStream_callback_t* info = user_data;
	JSValue response = JS_Call(info->context, info->callback, JS_UNDEFINED, 1, &row);
	_check_call(info->context, response);
	if (tf_task_get(info->context))
	{
		tf_task_run_jobs(tf_task_get(info->context));
	}
	JS_FreeValue(info->context, response);
}

static JSValue _tf_ssb_sqlStream(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		const char* query = JS_ToCString(context, argv[0]);
		if (query) {
			sqlStream_callback_t info = {
				.context = context,
				.callback = argv[2],
			};
			tf_ssb_db_visit_query(ssb, query, argv[1], _tf_ssb_sqlStream_callback, &info);
			JS_FreeCString(context, query);
		}
	}
	return JS_NULL;
}

static JSValue _tf_ssb_post(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		const char* post_text = JS_ToCString(context, argv[0]);
		if (post_text) {
			tf_ssb_append_post(ssb, post_text);
			JS_FreeCString(context, post_text);
		}
	}
	return JS_NULL;
}

static JSValue _tf_ssb_appendMessage(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		tf_ssb_append_message(ssb, argv[0]);
	}
	return JS_NULL;
}

static JSValue _tf_ssb_storeMessage(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	char signature[crypto_sign_BYTES + 128];
	char id[crypto_hash_sha256_BYTES * 2 + 1];
	tf_ssb_calculate_message_id(context, argv[0], id, sizeof(id));
	if (tf_ssb_verify_and_strip_signature(context, argv[0], signature, sizeof(signature))) {
		tf_ssb_db_store_message(ssb, context, id, argv[0], signature);
	} else {
		printf("failed to verify message\n");
	}
	return JS_UNDEFINED;
}

typedef struct _broadcasts_t
{
	JSContext* context;
	JSValue array;
	int length;
} broadcasts_t;

static void _tf_ssb_broadcasts_visit(const struct sockaddr_in* addr, const uint8_t* pub, void* user_data)
{
	broadcasts_t* broadcasts = user_data;
	JSValue entry = JS_NewObject(broadcasts->context);
	char address[256];
	char pubkey[k_id_base64_len];
	uv_ip4_name(addr, address, sizeof(address));
	tf_ssb_id_bin_to_str(pubkey, sizeof(pubkey), pub);
	JS_SetPropertyStr(broadcasts->context, entry, "address", JS_NewString(broadcasts->context, address));
	JS_SetPropertyStr(broadcasts->context, entry, "port", JS_NewInt32(broadcasts->context, ntohs(addr->sin_port)));
	JS_SetPropertyStr(broadcasts->context, entry, "pubkey", JS_NewString(broadcasts->context, pubkey));
	JS_SetPropertyUint32(broadcasts->context, broadcasts->array, broadcasts->length++, entry);
}

static JSValue _tf_ssb_getBroadcasts(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue result = JS_UNDEFINED;
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		result = JS_NewArray(context);
		broadcasts_t broadcasts = {
			.context = context,
			.array = result,
			.length = 0,
		};
		tf_ssb_visit_broadcasts(ssb, _tf_ssb_broadcasts_visit, &broadcasts);
	}
	return result;
}

static JSValue _tf_ssb_connect(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue args = argv[0];
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (ssb) {
		if (JS_IsString(args)) {
			const char* address_str = JS_ToCString(context, args);
			printf("Connecting to %s\n", address_str);
			tf_ssb_connect_str(ssb, address_str);
			JS_FreeCString(context, address_str);
		} else {
			JSValue address = JS_GetPropertyStr(context, args, "address");
			JSValue port = JS_GetPropertyStr(context, args, "port");
			JSValue pubkey = JS_GetPropertyStr(context, args, "pubkey");
			const char* address_str = JS_ToCString(context, address);
			int32_t port_int = 0;
			JS_ToInt32(context, &port_int, port);
			const char* pubkey_str = JS_ToCString(context, pubkey);
			uint8_t pubkey_bin[k_id_bin_len];
			printf("Connecting to %s:%d\n", address_str, port_int);
			tf_ssb_id_str_to_bin(pubkey_bin, pubkey_str);
			tf_ssb_connect(ssb, address_str, port_int, pubkey_bin);
			JS_FreeCString(context, pubkey_str);
			JS_FreeCString(context, address_str);
			JS_FreeValue(context, address);
			JS_FreeValue(context, port);
			JS_FreeValue(context, pubkey);
		}
	}
	return JS_UNDEFINED;
}

static void _tf_ssb_call_callback(tf_ssb_t* ssb, const char* name, void* user_data)
{
	JSContext* context = tf_ssb_get_context(ssb);
	JSValue global = JS_GetGlobalObject(context);
	JSValue ssbo = JS_GetPropertyStr(context, global, "ssb");
	JSValue callback = JS_GetPropertyStr(context, ssbo, name);
	if (JS_IsFunction(context, callback)) {
		JSValue args = JS_UNDEFINED;
		JSValue response = JS_Call(context, callback, JS_UNDEFINED, 0, &args);
		_check_call(context, response);
		if (tf_task_get(context))
		{
			tf_task_run_jobs(tf_task_get(context));
		}
		JS_FreeValue(context, response);
	}
	JS_FreeValue(context, ssbo);
	JS_FreeValue(context, global);
}

static void _tf_ssb_broadcasts_changed(tf_ssb_t* ssb, void* user_data)
{
	_tf_ssb_call_callback(ssb, "onBroadcastsChanged", user_data);
}

static void _tf_ssb_connections_changed(tf_ssb_t* ssb, tf_ssb_change_t change, tf_ssb_connection_t* connection, void* user_data)
{
	_tf_ssb_call_callback(ssb, "onConnectionsChanged", user_data);
}

static JSValue _tf_ssb_rpc_send_json(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue connection_val = JS_GetPropertyStr(context, this_val, "connection");
	tf_ssb_connection_t* connection = JS_GetOpaque(connection_val, tf_ssb_get_connection_class_id());
	JSValue request_val = JS_GetPropertyStr(context, this_val, "request_number");
	int32_t request_number;
	JS_ToInt32(context, &request_number, request_val);
	JS_FreeValue(context, request_val);

	JSValue message_val = JS_JSONStringify(context, argv[0], JS_NULL, JS_NULL);
	size_t size;
	const char* message = JS_ToCStringLen(context, &size, message_val);
	JS_FreeValue(context, message_val);

	tf_ssb_connection_rpc_send(
		connection,
		k_ssb_rpc_flag_json | k_ssb_rpc_flag_stream,
		-request_number,
		(const uint8_t*)message,
		size,
		NULL,
		NULL);
	JS_FreeValue(context, connection_val);
	return JS_UNDEFINED;
}

static JSValue _tf_ssb_rpc_send_binary(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	JSValue connection_val = JS_GetPropertyStr(context, this_val, "connection");
	tf_ssb_connection_t* connection = JS_GetOpaque(connection_val, tf_ssb_get_connection_class_id());
	JSValue request_val = JS_GetPropertyStr(context, this_val, "request_number");
	int32_t request_number;
	JS_ToInt32(context, &request_number, request_val);
	JS_FreeValue(context, request_val);

	size_t size;
	uint8_t* message = tf_try_get_array_buffer(context, &size, argv[0]);
	if (message) {
		tf_ssb_connection_rpc_send(
			connection,
			k_ssb_rpc_flag_binary | k_ssb_rpc_flag_stream,
			-request_number,
			(const uint8_t*)message,
			size,
			NULL,
			NULL);
	}
	JS_FreeValue(context, connection_val);
	return JS_UNDEFINED;
}

void _tf_ssb_on_rpc(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
{
	tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
	JSContext* context = tf_ssb_get_context(ssb);
	JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
	JSValue object = JS_NewObject(context);
	printf("sending object = %d\n", JS_IsObject(tf_ssb_connection_get_object(connection)));
	JSValue connection_object = JS_DupValue(context, tf_ssb_connection_get_object(connection));
	JS_SetPropertyStr(context, object, "connection", connection_object);
	JS_SetPropertyStr(context, object, "flags", JS_NewUint32(context, flags));
	JS_SetPropertyStr(context, object, "request_number", JS_NewInt32(context, request_number));
	JS_SetPropertyStr(context, object, "args", JS_GetPropertyStr(context, args, "args"));
	JS_SetPropertyStr(context, object, "message", message && size ? JS_NewArrayBufferCopy(context, message, size) : args);
	JS_SetPropertyStr(context, object, "send_json", JS_NewCFunction(context, _tf_ssb_rpc_send_json, "send_json", 1));
	JS_SetPropertyStr(context, object, "send_binary", JS_NewCFunction(context, _tf_ssb_rpc_send_binary, "send_binary", 1));

	JSValue result = JS_Call(context, callback, JS_UNDEFINED, 1, &object);
	_check_call(context, result);
	JS_FreeValue(context, result);
	JS_FreeValue(context, object);
}

static void _tf_ssb_rpc_js_value_cleanup(tf_ssb_t* ssb, void* user_data)
{
	JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
	JS_FreeValue(tf_ssb_get_context(ssb), callback);
}

static JSValue _tf_ssb_register_rpc(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (!JS_IsArray(context, argv[0]))
	{
		return JS_ThrowTypeError(context, "Expected argument 1 to be an array of strings.");
	}
	if (!JS_IsFunction(context, argv[1]))
	{
		return JS_ThrowTypeError(context, "Expected argument 2 to be a function.");
	}

	JSValue length_val = JS_GetPropertyStr(context, argv[0], "length");
	int length = 0;
	JS_ToInt32(context, &length, length_val);

	enum { k_max_name_parts = 16 };
	const char* name[k_max_name_parts + 1] = { 0 };

	if (length >= k_max_name_parts)
	{
		return JS_ThrowInternalError(context, "Too many parts to RPC name.");
	}

	for (int i = 0; i < length; i++)
	{
		JSValue value = JS_GetPropertyUint32(context, argv[0], i);
		name[i] = JS_ToCString(context, value);
		JS_FreeValue(context, value);
	}

	tf_ssb_register_rpc(ssb, name, _tf_ssb_on_rpc, _tf_ssb_rpc_js_value_cleanup, JS_VALUE_GET_PTR(JS_DupValue(context, argv[1])));

	for (int i = 0; i < length; i++)
	{
		JS_FreeCString(context, name[i]);
	}

	return JS_UNDEFINED;
}

static void _tf_ssb_on_blob_want_added(tf_ssb_t* ssb, const char* id, void* user_data)
{
	JSContext* context = tf_ssb_get_context(ssb);
	JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
	JSValue string = JS_NewString(context, id);
	JSValue response = JS_Call(context, callback, JS_UNDEFINED, 1, &string);
	_check_call(context, response);
	JS_FreeValue(context, response);
	JS_FreeValue(context, string);
}

static void _tf_ssb_cleanup_value(tf_ssb_t* ssb, void* user_data)
{
	JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
	printf("CLEANUP %p\n", user_data);
	JS_FreeValue(tf_ssb_get_context(ssb), callback);
}

static JSValue _tf_ssb_register_blob_want_added(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (!JS_IsFunction(context, argv[0]))
	{
		return JS_ThrowTypeError(context, "Expected argument 1 to be a function.");
	}
	printf("registering %p\n", JS_VALUE_GET_PTR(argv[0]));
	tf_ssb_register_blob_want_added(ssb, _tf_ssb_on_blob_want_added, _tf_ssb_cleanup_value, JS_VALUE_GET_PTR(JS_DupValue(context, argv[0])));
	return JS_UNDEFINED;
}

static void _tf_ssb_rpc_on_connections_changed_callback(tf_ssb_t* ssb, tf_ssb_change_t change, tf_ssb_connection_t* connection, void* user_data)
{
	JSContext* context = tf_ssb_get_context(ssb);
	JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
	JSValue response = JS_UNDEFINED;
	switch (change)
	{
	case k_tf_ssb_change_create:
		break;
	case k_tf_ssb_change_connect:
		{
			JSValue object = /*JS_DupValue(context,*/ tf_ssb_connection_get_object(connection);//);
			JSValue args[] =
			{
				JS_NewString(context, "add"),
				object,
			};
			printf("calling function for ptr %p IsFunction=%d\n", user_data, JS_IsFunction(context, callback));
			response = JS_Call(context, callback, JS_UNDEFINED, 2, args);
			_check_call(context, response);
			//JS_FreeValue(context, object);
		}
		break;
	case k_tf_ssb_change_remove:
		{
			printf("CHANGE_REMOVE\n");
			JSValue object = /*JS_DupValue(context,*/ tf_ssb_connection_get_object(connection);//);
			JSValue args[] =
			{
				JS_NewString(context, "remove"),
				object,
			};
			response = JS_Call(context, callback, JS_UNDEFINED, 2, args);
			_check_call(context, response);
			//JS_FreeValue(context, object);
		}
		break;
	}
	JS_FreeValue(context, response);
}

static JSValue _tf_ssb_register_connections_changed(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
	printf("register connections changed\n");
	tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
	if (!JS_IsFunction(context, argv[0]))
	{
		return JS_ThrowTypeError(context, "Expected argument 1 to be a function.");
	}
	void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, argv[0]));
	printf("registering %p TAG=%d\n", ptr, JS_VALUE_GET_TAG(argv[0]));
	tf_ssb_add_connections_changed_callback(ssb, _tf_ssb_rpc_on_connections_changed_callback, _tf_ssb_rpc_js_value_cleanup, ptr);
	return JS_UNDEFINED;
}

void tf_ssb_run_file(JSContext* context, const char* file_name)
{
	FILE* file = fopen(file_name, "rb");
	if (!file)
	{
		printf("Unable to open %s: %s.", file_name, strerror(errno));
		return;
	}

	char* source = NULL;
	fseek(file, 0, SEEK_END);
	long file_size = ftell(file);
	fseek(file, 0, SEEK_SET);
	source = malloc(file_size + 1);
	fread(source, 1, file_size, file);
	source[file_size] = '\0';
	fclose(file);

	JSValue result = JS_Eval(context, source, file_size, file_name, 0);
	if (JS_IsError(context, result))
	{
		printf("Error running %s.\n", file_name);
		const char* value = JS_ToCString(context, result);
		printf("ERROR: %s\n", value);
		JS_FreeCString(context, value);
		JSValue stack = JS_GetPropertyStr(context, result, "stack");
		if (!JS_IsUndefined(stack)) {
			const char* stack_str = JS_ToCString(context, stack);
			printf("%s\n", stack_str);
			JS_FreeCString(context, stack_str);
		}
		JS_FreeValue(context, stack);
	}
	else if (JS_IsException(result))
	{
		printf("Exception running %s.\n", file_name);
		JSValue error = JS_GetException(context);
		const char* value = JS_ToCString(context, error);
		printf("Exception: %s\n", value);
		JS_FreeCString(context, value);
		JS_FreeValue(context, error);
	}
	JS_FreeValue(context, result);
	free(source);
}

JSValue _print(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) {
	for (int i = 0; i < argc; ++i) {
		if (JS_IsNull(argv[i])) {
			printf(" null");
		} else {
			const char* value = JS_ToCString(context, argv[i]);
			printf(" %s", value);
			JS_FreeCString(context, value);
		}
	}
	printf("\n");
	return JS_NULL;
}

static JSValue _utf8Decode(JSContext* context, uint8_t* data, size_t length) {
	return JS_NewStringLen(context, (const char*)data, length);
}

static JSValue _utf8_decode(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) {
	JSValue result = JS_NULL;
	size_t length;
	if (JS_IsString(argv[0])) {
		result = JS_DupValue(context, argv[0]);
	} else {
		uint8_t* array = tf_try_get_array_buffer(context, &length, argv[0]);
		if (array) {
			result = _utf8Decode(context, array, length);
		} else {
			size_t offset;
			size_t element_size;
			JSValue buffer = tf_try_get_typed_array_buffer(context, argv[0], &offset, &length, &element_size);
			size_t size;
			if (!JS_IsException(buffer)) {
				array = tf_try_get_array_buffer(context, &size, buffer);
				if (array) {
					result = _utf8Decode(context, array, size);
				}
			}
			JS_FreeValue(context, buffer);
		}
	}
	return result;
}

void tf_ssb_init(JSContext* context, tf_ssb_t* ssb)
{
	JS_NewClassID(&_tf_ssb_classId);
	JSClassDef def = {
		.class_name = "ssb",
	};
	if (JS_NewClass(JS_GetRuntime(context), _tf_ssb_classId, &def) != 0) {
		fprintf(stderr, "Failed to register ssb.\n");
	}

	tf_ssb_set_broadcasts_changed_callback(ssb, _tf_ssb_broadcasts_changed, NULL);
	tf_ssb_add_connections_changed_callback(ssb, _tf_ssb_connections_changed, NULL, NULL);

	JSValue global = JS_GetGlobalObject(context);
	JSValue object = JS_NewObjectClass(context, _tf_ssb_classId);
	JS_SetPropertyStr(context, global, "ssb", object);
	JS_SetOpaque(object, ssb);
	JS_SetPropertyStr(context, object, "whoami", JS_NewCFunction(context, _tf_ssb_whoami, "whoami", 0));
	JS_SetPropertyStr(context, object, "getMessage", JS_NewCFunction(context, _tf_ssb_getMessage, "getMessage", 2));
	JS_SetPropertyStr(context, object, "blobGet", JS_NewCFunction(context, _tf_ssb_blobGet, "blobGet", 1));
	JS_SetPropertyStr(context, object, "blobStore", JS_NewCFunction(context, _tf_ssb_blobStore, "blobStore", 2));
	JS_SetPropertyStr(context, object, "messageContentGet", JS_NewCFunction(context, _tf_ssb_messageContentGet, "messageContentGet", 1));
	JS_SetPropertyStr(context, object, "connections", JS_NewCFunction(context, _tf_ssb_connections, "connections", 0));
	JS_SetPropertyStr(context, object, "createHistoryStream", JS_NewCFunction(context, _tf_ssb_createHistoryStream, "createHistoryStream", 1));
	JS_SetPropertyStr(context, object, "sqlStream", JS_NewCFunction(context, _tf_ssb_sqlStream, "sqlStream", 3));
	JS_SetPropertyStr(context, object, "post", JS_NewCFunction(context, _tf_ssb_post, "post", 1));
	JS_SetPropertyStr(context, object, "appendMessage", JS_NewCFunction(context, _tf_ssb_appendMessage, "appendMessage", 1));
	JS_SetPropertyStr(context, object, "storeMessage", JS_NewCFunction(context, _tf_ssb_storeMessage, "storeMessage", 1));
	JS_SetPropertyStr(context, object, "getBroadcasts", JS_NewCFunction(context, _tf_ssb_getBroadcasts, "getBroadcasts", 0));
	JS_SetPropertyStr(context, object, "connect", JS_NewCFunction(context, _tf_ssb_connect, "connect", 1));
	JS_SetPropertyStr(context, object, "registerRpc", JS_NewCFunction(context, _tf_ssb_register_rpc, "registerRpc", 2));
	JS_SetPropertyStr(context, object, "registerBlobWantAdded", JS_NewCFunction(context, _tf_ssb_register_blob_want_added, "registerBlobWantAdded", 1));
	JS_SetPropertyStr(context, object, "registerConnectionsChanged", JS_NewCFunction(context, _tf_ssb_register_connections_changed, "registerConnectionsChanged", 1));

	JS_SetPropertyStr(context, global, "debug_print", JS_NewCFunction(context, _print, "debug_print", 2));
	JS_SetPropertyStr(context, global, "debug_utf8Decode", JS_NewCFunction(context, _utf8_decode, "debug_utf8Decode", 1));

	JS_FreeValue(context, global);

	tf_ssb_run_file(context, "core/ssb.js");
}