xdl
Version:
The Expo Development Library
266 lines (264 loc) • 13.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.AFC_STATUS = exports.AFC_OPS = exports.AFC_MAGIC = exports.AFC_HEADER_SIZE = exports.AFC_FILE_OPEN_FLAGS = exports.AFCProtocolWriter = exports.AFCProtocolReader = exports.AFCProtocolClient = exports.AFCError = void 0;
function _debug() {
const data = _interopRequireDefault(require("debug"));
_debug = function () {
return data;
};
return data;
}
function _protocol() {
const data = require("./protocol");
_protocol = function () {
return data;
};
return data;
}
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } /**
* Copyright (c) 2021 Expo, Inc.
* Copyright (c) 2018 Drifty Co.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const debug = (0, _debug().default)('expo:xdl:ios:lib:protocol:afc');
const AFC_MAGIC = 'CFA6LPAA';
exports.AFC_MAGIC = AFC_MAGIC;
const AFC_HEADER_SIZE = 40;
exports.AFC_HEADER_SIZE = AFC_HEADER_SIZE;
/**
* AFC Operations
*/
let AFC_OPS;
/**
* Error Codes
*/
exports.AFC_OPS = AFC_OPS;
(function (AFC_OPS) {
AFC_OPS[AFC_OPS["INVALID"] = 0] = "INVALID";
AFC_OPS[AFC_OPS["STATUS"] = 1] = "STATUS";
AFC_OPS[AFC_OPS["DATA"] = 2] = "DATA";
AFC_OPS[AFC_OPS["READ_DIR"] = 3] = "READ_DIR";
AFC_OPS[AFC_OPS["READ_FILE"] = 4] = "READ_FILE";
AFC_OPS[AFC_OPS["WRITE_FILE"] = 5] = "WRITE_FILE";
AFC_OPS[AFC_OPS["WRITE_PART"] = 6] = "WRITE_PART";
AFC_OPS[AFC_OPS["TRUNCATE"] = 7] = "TRUNCATE";
AFC_OPS[AFC_OPS["REMOVE_PATH"] = 8] = "REMOVE_PATH";
AFC_OPS[AFC_OPS["MAKE_DIR"] = 9] = "MAKE_DIR";
AFC_OPS[AFC_OPS["GET_FILE_INFO"] = 10] = "GET_FILE_INFO";
AFC_OPS[AFC_OPS["GET_DEVINFO"] = 11] = "GET_DEVINFO";
AFC_OPS[AFC_OPS["WRITE_FILE_ATOM"] = 12] = "WRITE_FILE_ATOM";
AFC_OPS[AFC_OPS["FILE_OPEN"] = 13] = "FILE_OPEN";
AFC_OPS[AFC_OPS["FILE_OPEN_RES"] = 14] = "FILE_OPEN_RES";
AFC_OPS[AFC_OPS["FILE_READ"] = 15] = "FILE_READ";
AFC_OPS[AFC_OPS["FILE_WRITE"] = 16] = "FILE_WRITE";
AFC_OPS[AFC_OPS["FILE_SEEK"] = 17] = "FILE_SEEK";
AFC_OPS[AFC_OPS["FILE_TELL"] = 18] = "FILE_TELL";
AFC_OPS[AFC_OPS["FILE_TELL_RES"] = 19] = "FILE_TELL_RES";
AFC_OPS[AFC_OPS["FILE_CLOSE"] = 20] = "FILE_CLOSE";
AFC_OPS[AFC_OPS["FILE_SET_SIZE"] = 21] = "FILE_SET_SIZE";
AFC_OPS[AFC_OPS["GET_CON_INFO"] = 22] = "GET_CON_INFO";
AFC_OPS[AFC_OPS["SET_CON_OPTIONS"] = 23] = "SET_CON_OPTIONS";
AFC_OPS[AFC_OPS["RENAME_PATH"] = 24] = "RENAME_PATH";
AFC_OPS[AFC_OPS["SET_FS_BS"] = 25] = "SET_FS_BS";
AFC_OPS[AFC_OPS["SET_SOCKET_BS"] = 26] = "SET_SOCKET_BS";
AFC_OPS[AFC_OPS["FILE_LOCK"] = 27] = "FILE_LOCK";
AFC_OPS[AFC_OPS["MAKE_LINK"] = 28] = "MAKE_LINK";
AFC_OPS[AFC_OPS["GET_FILE_HASH"] = 29] = "GET_FILE_HASH";
AFC_OPS[AFC_OPS["SET_FILE_MOD_TIME"] = 30] = "SET_FILE_MOD_TIME";
AFC_OPS[AFC_OPS["GET_FILE_HASH_RANGE"] = 31] = "GET_FILE_HASH_RANGE";
AFC_OPS[AFC_OPS["FILE_SET_IMMUTABLE_HINT"] = 32] = "FILE_SET_IMMUTABLE_HINT";
AFC_OPS[AFC_OPS["GET_SIZE_OF_PATH_CONTENTS"] = 33] = "GET_SIZE_OF_PATH_CONTENTS";
AFC_OPS[AFC_OPS["REMOVE_PATH_AND_CONTENTS"] = 34] = "REMOVE_PATH_AND_CONTENTS";
AFC_OPS[AFC_OPS["DIR_OPEN"] = 35] = "DIR_OPEN";
AFC_OPS[AFC_OPS["DIR_OPEN_RESULT"] = 36] = "DIR_OPEN_RESULT";
AFC_OPS[AFC_OPS["DIR_READ"] = 37] = "DIR_READ";
AFC_OPS[AFC_OPS["DIR_CLOSE"] = 38] = "DIR_CLOSE";
AFC_OPS[AFC_OPS["FILE_READ_OFFSET"] = 39] = "FILE_READ_OFFSET";
AFC_OPS[AFC_OPS["FILE_WRITE_OFFSET"] = 40] = "FILE_WRITE_OFFSET";
})(AFC_OPS || (exports.AFC_OPS = AFC_OPS = {}));
let AFC_STATUS;
exports.AFC_STATUS = AFC_STATUS;
(function (AFC_STATUS) {
AFC_STATUS[AFC_STATUS["SUCCESS"] = 0] = "SUCCESS";
AFC_STATUS[AFC_STATUS["UNKNOWN_ERROR"] = 1] = "UNKNOWN_ERROR";
AFC_STATUS[AFC_STATUS["OP_HEADER_INVALID"] = 2] = "OP_HEADER_INVALID";
AFC_STATUS[AFC_STATUS["NO_RESOURCES"] = 3] = "NO_RESOURCES";
AFC_STATUS[AFC_STATUS["READ_ERROR"] = 4] = "READ_ERROR";
AFC_STATUS[AFC_STATUS["WRITE_ERROR"] = 5] = "WRITE_ERROR";
AFC_STATUS[AFC_STATUS["UNKNOWN_PACKET_TYPE"] = 6] = "UNKNOWN_PACKET_TYPE";
AFC_STATUS[AFC_STATUS["INVALID_ARG"] = 7] = "INVALID_ARG";
AFC_STATUS[AFC_STATUS["OBJECT_NOT_FOUND"] = 8] = "OBJECT_NOT_FOUND";
AFC_STATUS[AFC_STATUS["OBJECT_IS_DIR"] = 9] = "OBJECT_IS_DIR";
AFC_STATUS[AFC_STATUS["PERM_DENIED"] = 10] = "PERM_DENIED";
AFC_STATUS[AFC_STATUS["SERVICE_NOT_CONNECTED"] = 11] = "SERVICE_NOT_CONNECTED";
AFC_STATUS[AFC_STATUS["OP_TIMEOUT"] = 12] = "OP_TIMEOUT";
AFC_STATUS[AFC_STATUS["TOO_MUCH_DATA"] = 13] = "TOO_MUCH_DATA";
AFC_STATUS[AFC_STATUS["END_OF_DATA"] = 14] = "END_OF_DATA";
AFC_STATUS[AFC_STATUS["OP_NOT_SUPPORTED"] = 15] = "OP_NOT_SUPPORTED";
AFC_STATUS[AFC_STATUS["OBJECT_EXISTS"] = 16] = "OBJECT_EXISTS";
AFC_STATUS[AFC_STATUS["OBJECT_BUSY"] = 17] = "OBJECT_BUSY";
AFC_STATUS[AFC_STATUS["NO_SPACE_LEFT"] = 18] = "NO_SPACE_LEFT";
AFC_STATUS[AFC_STATUS["OP_WOULD_BLOCK"] = 19] = "OP_WOULD_BLOCK";
AFC_STATUS[AFC_STATUS["IO_ERROR"] = 20] = "IO_ERROR";
AFC_STATUS[AFC_STATUS["OP_INTERRUPTED"] = 21] = "OP_INTERRUPTED";
AFC_STATUS[AFC_STATUS["OP_IN_PROGRESS"] = 22] = "OP_IN_PROGRESS";
AFC_STATUS[AFC_STATUS["INTERNAL_ERROR"] = 23] = "INTERNAL_ERROR";
AFC_STATUS[AFC_STATUS["MUX_ERROR"] = 30] = "MUX_ERROR";
AFC_STATUS[AFC_STATUS["NO_MEM"] = 31] = "NO_MEM";
AFC_STATUS[AFC_STATUS["NOT_ENOUGH_DATA"] = 32] = "NOT_ENOUGH_DATA";
AFC_STATUS[AFC_STATUS["DIR_NOT_EMPTY"] = 33] = "DIR_NOT_EMPTY";
AFC_STATUS[AFC_STATUS["FORCE_SIGNED_TYPE"] = -1] = "FORCE_SIGNED_TYPE";
})(AFC_STATUS || (exports.AFC_STATUS = AFC_STATUS = {}));
let AFC_FILE_OPEN_FLAGS;
exports.AFC_FILE_OPEN_FLAGS = AFC_FILE_OPEN_FLAGS;
(function (AFC_FILE_OPEN_FLAGS) {
AFC_FILE_OPEN_FLAGS[AFC_FILE_OPEN_FLAGS["RDONLY"] = 1] = "RDONLY";
AFC_FILE_OPEN_FLAGS[AFC_FILE_OPEN_FLAGS["RW"] = 2] = "RW";
AFC_FILE_OPEN_FLAGS[AFC_FILE_OPEN_FLAGS["WRONLY"] = 3] = "WRONLY";
AFC_FILE_OPEN_FLAGS[AFC_FILE_OPEN_FLAGS["WR"] = 4] = "WR";
AFC_FILE_OPEN_FLAGS[AFC_FILE_OPEN_FLAGS["APPEND"] = 5] = "APPEND";
AFC_FILE_OPEN_FLAGS[AFC_FILE_OPEN_FLAGS["RDAPPEND"] = 6] = "RDAPPEND";
})(AFC_FILE_OPEN_FLAGS || (exports.AFC_FILE_OPEN_FLAGS = AFC_FILE_OPEN_FLAGS = {}));
function isAFCResponse(resp) {
return AFC_OPS[resp.operation] !== undefined && resp.id !== undefined && resp.data !== undefined;
}
function isStatusResponse(resp) {
return isAFCResponse(resp) && resp.operation === AFC_OPS.STATUS;
}
function isErrorStatusResponse(resp) {
return isStatusResponse(resp) && resp.data !== AFC_STATUS.SUCCESS;
}
class AFCInternalError extends Error {
constructor(msg, requestId) {
super(msg);
this.requestId = requestId;
}
}
class AFCError extends Error {
constructor(msg, status) {
super(msg);
this.status = status;
}
}
exports.AFCError = AFCError;
class AFCProtocolClient extends _protocol().ProtocolClient {
constructor(socket) {
super(socket, new (_protocol().ProtocolReaderFactory)(AFCProtocolReader), new AFCProtocolWriter());
_defineProperty(this, "requestId", 0);
_defineProperty(this, "requestCallbacks", {});
const reader = this.readerFactory.create((resp, err) => {
if (err && err instanceof AFCInternalError) {
this.requestCallbacks[err.requestId](resp, err);
} else if (isErrorStatusResponse(resp)) {
this.requestCallbacks[resp.id](resp, new AFCError(AFC_STATUS[resp.data], resp.data));
} else {
this.requestCallbacks[resp.id](resp);
}
});
socket.on('data', reader.onData);
}
sendMessage(msg) {
return new Promise((resolve, reject) => {
const requestId = this.requestId++;
this.requestCallbacks[requestId] = async (resp, err) => {
if (err) {
reject(err);
return;
}
if (isAFCResponse(resp)) {
resolve(resp);
} else {
reject(new Error('Malformed AFC response'));
}
};
this.writer.write(this.socket, {
...msg,
requestId
});
});
}
}
exports.AFCProtocolClient = AFCProtocolClient;
class AFCProtocolReader extends _protocol().ProtocolReader {
// TODO: ! -> ?
constructor(callback) {
super(AFC_HEADER_SIZE, callback);
_defineProperty(this, "header", void 0);
}
parseHeader(data) {
const magic = data.slice(0, 8).toString('ascii');
if (magic !== AFC_MAGIC) {
throw new AFCInternalError(`Invalid AFC packet received (magic != ${AFC_MAGIC})`, data.readUInt32LE(24));
}
// technically these are uint64
this.header = {
magic,
totalLength: data.readUInt32LE(8),
headerLength: data.readUInt32LE(16),
requestId: data.readUInt32LE(24),
operation: data.readUInt32LE(32)
};
debug(`parse header: ${JSON.stringify(this.header)}`);
if (this.header.headerLength < AFC_HEADER_SIZE) {
throw new AFCInternalError('Invalid AFC header', this.header.requestId);
}
return this.header.totalLength - AFC_HEADER_SIZE;
}
parseBody(data) {
const body = {
operation: this.header.operation,
id: this.header.requestId,
data
};
if (isStatusResponse(body)) {
const status = data.readUInt32LE(0);
debug(`${AFC_OPS[this.header.operation]} response: ${AFC_STATUS[status]}`);
body.data = status;
} else if (data.length <= 8) {
debug(`${AFC_OPS[this.header.operation]} response: ${Array.prototype.toString.call(body)}`);
} else {
debug(`${AFC_OPS[this.header.operation]} response length: ${data.length} bytes`);
}
return body;
}
}
exports.AFCProtocolReader = AFCProtocolReader;
class AFCProtocolWriter {
write(socket, msg) {
const {
data,
payload,
operation,
requestId
} = msg;
const dataLength = data ? data.length : 0;
const payloadLength = payload ? payload.length : 0;
const header = Buffer.alloc(AFC_HEADER_SIZE);
const magic = Buffer.from(AFC_MAGIC);
magic.copy(header);
header.writeUInt32LE(AFC_HEADER_SIZE + dataLength + payloadLength, 8);
header.writeUInt32LE(AFC_HEADER_SIZE + dataLength, 16);
header.writeUInt32LE(requestId, 24);
header.writeUInt32LE(operation, 32);
socket.write(header);
socket.write(data);
if (data.length <= 8) {
debug(`socket write, header: { requestId: ${requestId}, operation: ${AFC_OPS[operation]}}, body: ${Array.prototype.toString.call(data)}`);
} else {
debug(`socket write, header: { requestId: ${requestId}, operation: ${AFC_OPS[operation]}}, body: ${data.length} bytes`);
}
debug(`socket write, bytes written ${header.length} (header), ${data.length} (body)`);
if (payload) {
socket.write(payload);
}
}
}
exports.AFCProtocolWriter = AFCProtocolWriter;
//# sourceMappingURL=afc.js.map