Files
appium/lib/server/helpers.js
2015-02-26 23:20:56 +01:00

329 lines
9.6 KiB
JavaScript

"use strict";
var _ = require("underscore")
, gridRegister = require('./grid-register.js')
, logger = require('./logger.js').get('appium')
, status = require('./status.js')
, io = require('socket.io')
, mkdirp = require('mkdirp')
, bytes = require('bytes')
, domain = require('domain')
, format = require('util').format
, Args = require("vargs").Constructor;
module.exports.allowCrossDomain = function (req, res, next) {
safely(req, function () {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'GET,POST,PUT,OPTIONS,DELETE');
res.header('Access-Control-Allow-Headers', 'origin, content-type, accept');
});
// need to respond 200 to OPTIONS
if ('OPTIONS' === req.method) {
safely(req, function () {
res.sendStatus(200);
});
} else {
next();
}
};
module.exports.winstonStream = {
write: function (msg) {
msg = msg.replace(/$\s*$/m, "");
msg = msg.replace(/\[[^\]]+\] /, "");
logger.log('debug', msg);
}
};
module.exports.catchAllHandler = function (e, req, res, next) {
safely(req, function () {
res.status(500).send({
status: status.codes.UnknownError.code
, value: "ERROR running Appium command: " + e.message
});
});
next(e);
};
module.exports.checkArgs = function (parser, args) {
var exclusives = [
['noReset', 'fullReset']
, ['ipa', 'safari']
, ['app', 'safari']
, ['forceIphone', 'forceIpad']
, ['deviceName', 'defaultDevice']
];
_.each(exclusives, function (exSet) {
var numFoundInArgs = 0;
_.each(exSet, function (opt) {
if (_.has(args, opt) && args[opt]) {
numFoundInArgs++;
}
});
if (numFoundInArgs > 1) {
console.error(("You can't pass in more than one argument from the set " +
JSON.stringify(exSet) + ", since they are mutually exclusive").red);
process.exit(1);
}
});
var checkValidPort = function (port) {
if (port > 0 && port < 65536) return true;
console.error("Port must be greater than 0 and less than 65536");
return false;
};
var validations = {
port: checkValidPort
, callbackPort: checkValidPort
, bootstrapPort: checkValidPort
, selendroidPort: checkValidPort
, chromedriverPort: checkValidPort
, robotPort: checkValidPort
, backendRetries: function (r) { return r >= 0; }
};
var nonDefaultArgs = getNonDefaultArgs(parser, args);
_.each(validations, function (validator, arg) {
if (_.has(nonDefaultArgs, arg)) {
if (!validator(args[arg])) {
console.error("Invalid argument for param " + arg + ": " + args[arg]);
process.exit(1);
}
}
});
};
module.exports.noColorLogger = function (tokens, req, res) {
var len = parseInt(res.getHeader('Content-Length'), 10);
len = isNaN(len) ? '' : ' - ' + bytes(len);
return req.method + ' ' + req.originalUrl + ' ' +
res.statusCode + ' ' + (new Date() - req._startTime) + 'ms' + len;
};
module.exports.configureServer = function (rawConfig, appiumVer, appiumServer,
cb) {
var appiumRev;
if (!rawConfig) {
return cb(new Error('config data required'));
}
var versionMismatches = {};
var excludedKeys = ["git-sha", "node_bin", "built"];
_.each(rawConfig, function (deviceConfig, key) {
if (deviceConfig.version !== appiumVer && !_.contains(excludedKeys, key)) {
versionMismatches[key] = deviceConfig.version;
} else if (key === "git-sha") {
appiumRev = rawConfig['git-sha'];
}
});
if (_.keys(versionMismatches).length) {
logger.error("Got some configuration version mismatches. Appium is " +
"at " + appiumVer + ".");
_.each(versionMismatches, function (mismatchedVer, key) {
logger.error(key + " configured at " + mismatchedVer);
});
logger.error("Please re-run reset.sh or config");
return cb(new Error("Appium / config version mismatch"));
} else {
appiumServer.registerConfig(rawConfig);
cb(null, appiumRev);
}
};
module.exports.conditionallyPreLaunch = function (args, appiumServer, cb) {
if (args.launch) {
logger.debug("Starting Appium in pre-launch mode");
appiumServer.preLaunch(function (err) {
if (err) {
logger.error("Could not pre-launch appium: " + err);
cb(err);
} else {
cb(null);
}
});
} else {
cb(null);
}
};
module.exports.prepareTmpDir = function (args, cb) {
if (args.tmpDir === null) return cb();
mkdirp(args.tmpDir, function (err) {
if (err) {
logger.error("Could not ensure tmp dir '" + args.tmpDir + "' exists");
logger.error(err);
}
cb(err);
});
};
var startAlertSocket = function (restServer, appiumServer) {
var alerts = io(restServer, {
'flash policy port': -1,
'logger': logger,
'log level': 1,
'polling duration': 10,
'transports': ['websocket', 'flashsocket']
});
alerts.sockets.on("connection", function (socket) {
logger.debug("Client connected: " + (socket.id).toString());
socket.on('disconnect', function (data) {
logger.debug("Client disconnected: " + data);
});
});
// add web socket so we can emit events
appiumServer.attachSocket(alerts);
};
var getNonDefaultArgs = function (parser, args) {
var nonDefaults = {};
_.each(parser.rawArgs, function (rawArg) {
var arg = rawArg[1].dest;
if (args[arg] !== rawArg[1].defaultValue) {
nonDefaults[arg] = args[arg];
}
});
return nonDefaults;
};
var getDeprecatedArgs = function (parser, args) {
var deprecated = {};
_.each(parser.rawArgs, function (rawArg) {
var arg = rawArg[1].dest;
if (args[arg] && rawArg[1].deprecatedFor) {
deprecated[rawArg[0]] = "use instead: " + rawArg[1].deprecatedFor;
}
});
return deprecated;
};
module.exports.startListening = function (server, args, parser, appiumVer, appiumRev, appiumServer, cb) {
var alreadyReturned = false;
server.listen(args.port, args.address, function () {
var welcome = "Welcome to Appium v" + appiumVer;
if (appiumRev) {
welcome += " (REV " + appiumRev + ")";
}
logger.info(welcome);
var logMessage = "Appium REST http interface listener started on " +
args.address + ":" + args.port;
logger.info(logMessage);
startAlertSocket(server, appiumServer);
if (args.nodeconfig !== null) {
gridRegister.registerNode(args.nodeconfig, args.address, args.port);
}
var showArgs = getNonDefaultArgs(parser, args);
if (_.size(showArgs)) {
logger.debug("Non-default server args: " + JSON.stringify(showArgs));
}
var deprecatedArgs = getDeprecatedArgs(parser, args);
if (_.size(deprecatedArgs)) {
logger.warn("Deprecated server args: " + JSON.stringify(deprecatedArgs));
}
logger.info('Console LogLevel: ' + logger.transports.console.level);
if (logger.transports.file) {
logger.info('File LogLevel: ' + logger.transports.file.level);
}
});
server.on('error', function (err) {
if (err.code === 'EADDRNOTAVAIL') {
logger.error("Couldn't start Appium REST http interface listener. Requested address is not available.");
} else {
logger.error("Couldn't start Appium REST http interface listener. Requested port is already in use. Please make sure there's no other instance of Appium running already.");
}
if (!alreadyReturned) {
alreadyReturned = true;
cb(err);
}
});
server.on('connection', function (socket) {
socket.setTimeout(600 * 1000); // 10 minute timeout
});
setTimeout(function () {
if (!alreadyReturned) {
alreadyReturned = true;
cb(null);
}
}, 1000);
};
// Copied the morgan compile function over so that cooler formats
// may be configured
function compile(fmt) {
fmt = fmt.replace(/"/g, '\\"');
var js = ' return "' + fmt.replace(/:([-\w]{2,})(?:\[([^\]]+)\])?/g,
function (_, name, arg) {
return '"\n + (tokens["' + name + '"](req, res, "' + arg + '") || "-") + "';
}) + '";';
// jshint evil:true
return new Function('tokens, req, res', js);
}
module.exports.requestStartLoggingFormat = compile('-->'.white + ' ' + ':method'.white + ' ' +
':url'.white);
// Copied the morgan format.dev function, modified to use colors package
// and custom logging line
module.exports.requestEndLoggingFormat = function (tokens, req, res) {
var status = res.statusCode;
var statusStr = ':status';
if (status >= 500) statusStr = statusStr.red;
else if (status >= 400) statusStr = statusStr.yellow;
else if (status >= 300) statusStr = statusStr.cyan;
else statusStr = statusStr.green;
var fn = compile('<-- :method :url '.white + statusStr +
' :response-time ms - :res[content-length]'.grey);
return fn(tokens, req, res);
};
function getRequestContext(req) {
if (!req) return '';
var data = '';
try {
if (req.body) data = JSON.stringify(req.body).substring(0, 200);
} catch (ign) {}
return format('context: [%s %s %s]', req.method, req.url, data).replace(/ ]$/, '');
}
// Mainly used to wrap http response methods, or for cases where errors
// perdure the domain
var safely = function () {
var args = new (Args)(arguments);
var req = args.all[0];
var fn = args.callback;
try {
fn();
} catch (err) {
logger.error('Unexpected error:', err.stack, getRequestContext(req));
}
};
module.exports.safely = safely;
module.exports.domainMiddleware = function () {
return function (req, res, next) {
var reqDomain = domain.create();
reqDomain.add(req);
reqDomain.add(res);
res.on('close', function () {
setTimeout(function () {
reqDomain.dispose();
}, 5000);
});
reqDomain.on('error', function (err) {
logger.error('Unhandled error:', err.stack, getRequestContext(req));
});
reqDomain.run(next);
};
};