File size: 8,953 Bytes
c32229e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 | "use strict";
/**
* Copyright (c) 2012-2015, Christopher Jeffrey, Peter Sunde (MIT License)
* Copyright (c) 2016, Daniel Imms (MIT License).
* Copyright (c) 2018, Microsoft Corporation (MIT License).
*/
Object.defineProperty(exports, "__esModule", { value: true });
var fs = require("fs");
var path = require("path");
var net_1 = require("net");
var child_process_1 = require("child_process");
var windowsConoutConnection_1 = require("./windowsConoutConnection");
var requireBinary_1 = require("./requireBinary");
var conptyNative;
/**
* The amount of time to wait for additional data after the conpty shell process has exited before
* shutting down the socket. The timer will be reset if a new data event comes in after the timer
* has started.
*/
var FLUSH_DATA_INTERVAL = 1000;
/**
* This agent sits between the WindowsTerminal class and provides an interface for both conpty.
*/
var WindowsPtyAgent = /** @class */ (function () {
function WindowsPtyAgent(file, args, env, cwd, cols, rows, debug, conptyInheritCursor) {
var _this = this;
if (conptyInheritCursor === void 0) { conptyInheritCursor = false; }
this._pid = 0;
this._innerPid = 0;
if (!conptyNative) {
conptyNative = requireBinary_1.requireBinary('conpty.node');
}
this._ptyNative = conptyNative;
// Sanitize input variable.
cwd = path.resolve(cwd);
// Compose command line
var commandLine = argsToCommandLine(file, args);
// Open pty session.
var term = this._ptyNative.startProcess(file, cols, rows, debug, this._generatePipeName(), conptyInheritCursor);
// Not available on windows.
this._fd = term.fd;
// Generated incremental number that has no real purpose besides using it
// as a terminal id.
this._pty = term.pty;
// Create terminal pipe IPC channel and forward to a local unix socket.
this._outSocket = new net_1.Socket();
this._outSocket.setEncoding('utf8');
// The conout socket must be ready out on another thread to avoid deadlocks
this._conoutSocketWorker = new windowsConoutConnection_1.ConoutConnection(term.conout);
this._conoutSocketWorker.onReady(function () {
_this._conoutSocketWorker.connectSocket(_this._outSocket);
});
this._outSocket.on('connect', function () {
_this._outSocket.emit('ready_datapipe');
});
var inSocketFD = fs.openSync(term.conin, 'w');
this._inSocket = new net_1.Socket({
fd: inSocketFD,
readable: false,
writable: true
});
this._inSocket.setEncoding('utf8');
var connect = this._ptyNative.connect(this._pty, commandLine, cwd, env, function (c) { return _this._$onProcessExit(c); });
this._innerPid = connect.pid;
}
Object.defineProperty(WindowsPtyAgent.prototype, "inSocket", {
get: function () { return this._inSocket; },
enumerable: true,
configurable: true
});
Object.defineProperty(WindowsPtyAgent.prototype, "outSocket", {
get: function () { return this._outSocket; },
enumerable: true,
configurable: true
});
Object.defineProperty(WindowsPtyAgent.prototype, "fd", {
get: function () { return this._fd; },
enumerable: true,
configurable: true
});
Object.defineProperty(WindowsPtyAgent.prototype, "innerPid", {
get: function () { return this._innerPid; },
enumerable: true,
configurable: true
});
Object.defineProperty(WindowsPtyAgent.prototype, "pty", {
get: function () { return this._pty; },
enumerable: true,
configurable: true
});
WindowsPtyAgent.prototype.resize = function (cols, rows) {
if (this._exitCode !== undefined) {
throw new Error('Cannot resize a pty that has already exited');
}
this._ptyNative.resize(this._pty, cols, rows);
};
WindowsPtyAgent.prototype.clear = function () {
this._ptyNative.clear(this._pty);
};
WindowsPtyAgent.prototype.kill = function () {
var _this = this;
this._inSocket.readable = false;
this._outSocket.readable = false;
// Tell the agent to kill the pty, this releases handles to the process
this._getConsoleProcessList().then(function (consoleProcessList) {
consoleProcessList.forEach(function (pid) {
try {
process.kill(pid);
}
catch (e) {
// Ignore if process cannot be found (kill ESRCH error)
}
});
_this._ptyNative.kill(_this._pty);
});
this._conoutSocketWorker.dispose();
};
WindowsPtyAgent.prototype._getConsoleProcessList = function () {
var _this = this;
return new Promise(function (resolve) {
var agent = child_process_1.fork(path.join(__dirname, 'conpty_console_list_agent'), [_this._innerPid.toString()]);
agent.on('message', function (message) {
clearTimeout(timeout);
resolve(message.consoleProcessList);
});
var timeout = setTimeout(function () {
// Something went wrong, just send back the shell PID
agent.kill();
resolve([_this._innerPid]);
}, 5000);
});
};
Object.defineProperty(WindowsPtyAgent.prototype, "exitCode", {
get: function () {
return this._exitCode;
},
enumerable: true,
configurable: true
});
WindowsPtyAgent.prototype._generatePipeName = function () {
return "conpty-" + Math.random() * 10000000;
};
/**
* Triggered from the native side when a contpy process exits.
*/
WindowsPtyAgent.prototype._$onProcessExit = function (exitCode) {
var _this = this;
this._exitCode = exitCode;
this._flushDataAndCleanUp();
this._outSocket.on('data', function () { return _this._flushDataAndCleanUp(); });
};
WindowsPtyAgent.prototype._flushDataAndCleanUp = function () {
var _this = this;
if (this._closeTimeout) {
clearTimeout(this._closeTimeout);
}
this._closeTimeout = setTimeout(function () { return _this._cleanUpProcess(); }, FLUSH_DATA_INTERVAL);
};
WindowsPtyAgent.prototype._cleanUpProcess = function () {
this._inSocket.readable = false;
this._outSocket.readable = false;
this._outSocket.destroy();
};
return WindowsPtyAgent;
}());
exports.WindowsPtyAgent = WindowsPtyAgent;
// Convert argc/argv into a Win32 command-line following the escaping convention
// documented on MSDN (e.g. see CommandLineToArgvW documentation). Copied from
// winpty project.
function argsToCommandLine(file, args) {
if (isCommandLine(args)) {
if (args.length === 0) {
return file;
}
return argsToCommandLine(file, []) + " " + args;
}
var argv = [file];
Array.prototype.push.apply(argv, args);
var result = '';
for (var argIndex = 0; argIndex < argv.length; argIndex++) {
if (argIndex > 0) {
result += ' ';
}
var arg = argv[argIndex];
// if it is empty or it contains whitespace and is not already quoted
var hasLopsidedEnclosingQuote = xOr((arg[0] !== '"'), (arg[arg.length - 1] !== '"'));
var hasNoEnclosingQuotes = ((arg[0] !== '"') && (arg[arg.length - 1] !== '"'));
var quote = arg === '' ||
(arg.indexOf(' ') !== -1 ||
arg.indexOf('\t') !== -1) &&
((arg.length > 1) &&
(hasLopsidedEnclosingQuote || hasNoEnclosingQuotes));
if (quote) {
result += '\"';
}
var bsCount = 0;
for (var i = 0; i < arg.length; i++) {
var p = arg[i];
if (p === '\\') {
bsCount++;
}
else if (p === '"') {
result += repeatText('\\', bsCount * 2 + 1);
result += '"';
bsCount = 0;
}
else {
result += repeatText('\\', bsCount);
bsCount = 0;
result += p;
}
}
if (quote) {
result += repeatText('\\', bsCount * 2);
result += '\"';
}
else {
result += repeatText('\\', bsCount);
}
}
return result;
}
exports.argsToCommandLine = argsToCommandLine;
function isCommandLine(args) {
return typeof args === 'string';
}
function repeatText(text, count) {
var result = '';
for (var i = 0; i < count; i++) {
result += text;
}
return result;
}
function xOr(arg1, arg2) {
return ((arg1 && !arg2) || (!arg1 && arg2));
}
|