Dias(function(dias) {
var serverId = { id: pkg.name, ver: pkg.version, node: dias.node, pid: process.pid }
var paas = (dias.paas) ? 'paas/' + dias.paas + ' host/' + dias.host : undefined
var ua = process.env.USERAGENT || dias.useragent || paas
if (ua) serverId.ua = ua
var logVariables = { server: serverId }
var logLevel = (process.env.DEBUG) ? 'debug' : undefined
logLevel = logLevel || process.env.LOG_LEVEL
var logger = new Logger(logVariables, false, logLevel)
var config = {
dir: './tmp',
logger: logger,
}
proxy(config)
apiLatest.init({ packages: packages })
apiPackage.init({ packages: packages })
function extractPackageVersionFile(url) {
var atPos = url.indexOf('@')
var name = url.substr(0,atPos)
var url = url.substr(atPos+1, url.length - atPos)
var slash = url.indexOf('/')
var version = url.substr(0,slash)
var file = url.substr(slash+1, url.length - slash)
return { name: name, version: version, file: file }
}
function respondWithData(req, res, data) {
if (data.redirect) {
logger.info(req.url + ', redirect: ' + data.redirect)
res.set('Cache-Control', 'public, max-age=' + cacheDur)
res.redirect(307, data.redirect)
return
}
var headers = data.headers
var stream = data.stream
var body = data.body
if (headers.type) res.set('Content-Type', headers.type)
res.set('Cache-Control', 'public, max-age=' + cacheDur)
if (stream) {
stream.pipe(res)
logger.debug(headers.code + ' ' + req.url + ', type: ' + headers.type + ', stream')
return
} else if (headers.code && headers.code >= 400) {
res.status(headers.code).send(body)
logger.info(headers.code + ' ' + req.url + ', type: ' + headers.type + ', length: ' + data.body.length)
} else {
res.send(body)
logger.debug(headers.code + ' ' + req.url + ', type: ' + headers.type + ', length: ' + data.body.length)
}
}
function packageMiddle(req, res, next) {
if (req.url.indexOf(prefix) != 0) return next() // prefix must match
req.url = req.url.replace(prefix, '') // remove prefix
var cachedData = cache.get(req.url)
if (cachedData) {
logger.debug('LRU Cached: ' + req.url)
return respondWithData(req, res, JSON.parse(cachedData))
}
var parts = extractPackageVersionFile(req.url)
var pack = packages[parts.name]
if (!pack) {
return respondWithData(req, res, { headers: { code: 404 }, body: '' })
}
req.url = pack.url + '/' + parts.version + '/' + parts.file
proxy(req, function proxyResults(err, data) {
if (err) return next(err)
respondWithData(req, res, data)
if (!data.stream) {
logger.debug('LRU Cache: ' + req.url)
cache.set(req.url, JSON.stringify(data))
}
})
}
function logError(err, req, res, next) {
logger.debug('logError:' + err)
if ('string' == typeof err) {
if (err.indexOf('Not Found') >= 0) {
logger.info(err + ' logError')
res.status(404).send({ code: 404, error: err.replace(': /', ': ') })
return
} else {
logger.warn(err)
}
} else {
logger.error(err)
if (err.stack) logger.error(err.stack)
}
res.status(500).send({ code: 500, error: err.message || err })
next(err)
}
process.on('uncaughtException', function (err) {
logger.error('uncaughtException')
logger.error(err)
logger.error(err.stack)
})
var app = middleServer({
logger: logger,
pre: [
compression,
middleServer.log,
favicon,
apiDoc,
apiLatest,
apiPackage
],
post: [
packageMiddle
]
})
app.use(logError)
app.locals._log = logger
})
Dias(function(dias) {
var serverId = { id: pkg.name, ver: pkg.version, node: dias.node, pid: process.pid }
var paas = (dias.paas) ? 'paas/' + dias.paas + ' host/' + dias.host : undefined
var ua = process.env.USERAGENT || dias.useragent || paas
if (ua) serverId.ua = ua
var logVariables = { server: serverId }
var logLevel = (process.env.DEBUG) ? 'debug' : undefined
logLevel = logLevel || process.env.LOG_LEVEL
var logger = new Logger(logVariables, false, logLevel)
var config = {
dir: './tmp',
logger: logger,
domain: domain,
skipInit: true, // skip initial initialization in proxyPackage() below, as init will be done manually. avoids double loading
packageDataUrl: packageList
}
proxyPackage(config)
var packages = proxyPackage.init()
apiLatest.init({ packages: packages })
apiPackage.init({ packages: packages })
function respondWithData(req, res, data) {
if (data.redirect) {
logger.info(req.url + ', redirect: ' + data.redirect)
res.set('Cache-Control', 'public, max-age=' + cacheDur)
res.redirect(307, data.redirect)
return
}
var headers = data.headers
var stream = data.stream
var body = data.body
if (headers.type) res.set('Content-Type', headers.type)
res.set('Cache-Control', 'public, max-age=' + cacheDur)
if (stream) {
stream.pipe(res)
logger.debug(headers.code + ' ' + req.url + ', type: ' + headers.type + ', stream')
return
} else if (headers.code && headers.code >= 400) {
res.status(headers.code).send(body)
logger.info(headers.code + ' ' + req.url + ', type: ' + headers.type + ', length: ' + data.body.length)
} else {
res.send(body)
logger.debug(headers.code + ' ' + req.url + ', type: ' + headers.type + ', length: ' + data.body.length)
}
}
function packageMiddle(req, res, next) {
if (req.url.indexOf(prefix) != 0) return next() // prefix must match
req.url = req.url.replace(prefix, '') // remove prefix
var cachedData = cache.get(req.url)
if (cachedData) {
logger.debug('LRU Cached: ' + req.url)
return respondWithData(req, res, JSON.parse(cachedData))
}
proxyPackage(req, function proxyResults(err, data) {
if (err) return next(err)
respondWithData(req, res, data)
if (!data.stream) {
logger.debug('LRU Cache: ' + req.url)
cache.set(req.url, JSON.stringify(data))
}
})
}
function logError(err, req, res, next) {
logger.debug('logError:' + err)
if ('string' == typeof err) {
if (err.indexOf('Not Found') >= 0) {
logger.info(err + ' logError')
res.status(404).send({ code: 404, error: err.replace(': /', ': ') })
return
} else {
logger.warn(err)
}
} else {
logger.error(err)
if (err.stack) logger.error(err.stack)
}
res.status(500).send({ code: 500, error: err.message || err })
next(err)
}
process.on('uncaughtException', function (err) {
logger.error('uncaughtException')
logger.error(err)
logger.error(err.stack)
})
var app = middleServer({
logger: logger,
pre: [
// compression,
middleServer.log,
favicon,
apiDoc,
apiLatest,
apiPackage
],
post: [
packageMiddle
]
})
app.use(logError)
app.locals._log = logger
})