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server.js
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server.js
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var camp = require('camp').start({
documentRoot: __dirname,
port: +process.env.PORT||+process.argv[2]||80
});
var https = require('https');
var request = require('request');
var fs = require('fs');
var LruCache = require('./lru-cache.js');
var badge = require('./badge.js');
var svg2img = require('./svg-to-img.js');
var serverStartTime = new Date((new Date()).toGMTString());
var validTemplates = ['default', 'flat'];
// Analytics
var redis;
// Use Redis by default.
var useRedis = true;
if (process.env.REDISTOGO_URL) {
var redisToGo = require('url').parse(process.env.REDISTOGO_URL);
redis = require('redis').createClient(redisToGo.port, redisToGo.hostname);
redis.auth(redisToGo.auth.split(':')[1]);
} else {
redis = require('redis').createClient();
}
redis.on('error', function() {
useRedis = false;
});
var analytics = {};
var analyticsAutoSaveFileName = './analytics.json';
var analyticsAutoSavePeriod = 10000;
setInterval(function analyticsAutoSave() {
if (useRedis) {
redis.set(analyticsAutoSaveFileName, JSON.stringify(analytics));
} else {
fs.writeFileSync(analyticsAutoSaveFileName, JSON.stringify(analytics));
}
}, analyticsAutoSavePeriod);
// Auto-load analytics.
function analyticsAutoLoad() {
if (useRedis) {
redis.get(analyticsAutoSaveFileName, function(err, value) {
if (err == null && value != null) {
// if/try/return trick:
// if error, then the rest of the function is run.
try {
analytics = JSON.parse(value);
return;
} catch(e) {}
}
// In case something happens on the 36th.
analytics.vendorMonthly = new Array(36);
analytics.rawMonthly = new Array(36);
resetMonthlyAnalytics(analytics.vendorMonthly);
resetMonthlyAnalytics(analytics.rawMonthly);
});
} else {
// Not using Redis.
try {
analytics = JSON.parse(fs.readFileSync(analyticsAutoSaveFileName));
} catch(e) {
// In case something happens on the 36th.
analytics.vendorMonthly = new Array(36);
analytics.rawMonthly = new Array(36);
resetMonthlyAnalytics(analytics.vendorMonthly);
resetMonthlyAnalytics(analytics.rawMonthly);
}
}
}
var lastDay = (new Date()).getDate();
function resetMonthlyAnalytics(monthlyAnalytics) {
for (var i = 0; i < monthlyAnalytics.length; i++) {
monthlyAnalytics[i] = 0;
}
}
function incrMonthlyAnalytics(monthlyAnalytics) {
var currentDay = (new Date()).getDate();
// If we changed month, reset empty days.
while (lastDay !== currentDay) {
// Assumption: at least a hit a month.
lastDay = (lastDay + 1) % monthlyAnalytics.length;
monthlyAnalytics[lastDay] = 0;
}
monthlyAnalytics[currentDay]++;
}
analyticsAutoLoad();
camp.ajax.on('analytics/v1', function(json, end) { end(analytics); });
// Cache
// We avoid calling the vendor's server for computation of the information in a
// number of badges.
var minAccuracy = 0.75;
// The quotient of (vendor) data change frequency by badge request frequency
// must be lower than this to trigger sending the cached data *before*
// updating our data from the vendor's server.
// Indeed, the accuracy of our badges are:
// A(Δt) = 1 - min(# data change over Δt, # requests over Δt)
// / (# requests over Δt)
// = 1 - max(1, df) / rf
var freqRatioMax = 1 - minAccuracy;
// Request cache size of size 1_000_000 (~1GB, 1kB/image).
var requestCache = new LruCache(1000000);
function cache(f) {
return function getRequest(data, match, end, ask) {
// Cache management - no cache, so it won't be cached by GitHub's CDN.
ask.res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
incrMonthlyAnalytics(analytics.vendorMonthly);
var cacheIndex = match[0] + '?label=' + data.label + '&style=' + data.style;
// Should we return the data right away?
var cached = requestCache.get(cacheIndex);
var cachedVersionSent = false;
if (cached !== undefined
&& cached.dataChange / cached.reqs <= freqRatioMax) {
badge(cached.data.badgeData, makeSend(cached.data.format, ask.res, end));
cachedVersionSent = true;
}
// In case our vendor servers are unresponsive.
var serverUnresponsive = false;
var serverResponsive = setTimeout(function() {
serverUnresponsive = true;
if (cachedVersionSent) { return; }
if (requestCache.has(cacheIndex)) {
var cached = requestCache.get(cacheIndex).data;
badge(cached.badgeData, makeSend(cached.format, ask.res, end));
return;
}
var badgeData = getBadgeData('vendor', data);
badgeData.text[1] = 'unresponsive';
badge(badgeData, makeSend('svg', ask.res, end));
}, 25000);
f(data, match, function sendBadge(format, badgeData) {
if (serverUnresponsive) { return; }
clearTimeout(serverResponsive);
// Check for a change in the data.
var dataHasChanged = false;
if (cached !== undefined
&& cached.data.badgeData.text[1] !== badgeData.text[1]) {
dataHasChanged = true;
}
// Update information in the cache.
var updatedCache = {
reqs: cached? (cached.reqs + 1): 1,
dataChange: cached? (cached.dataChange + (dataHasChanged? 1: 0))
: 1,
data: { format: format, badgeData: badgeData }
};
requestCache.set(cacheIndex, updatedCache);
if (!cachedVersionSent) {
badge(badgeData, makeSend(format, ask.res, end));
}
});
};
}
// Vendors.
// Travis integration
camp.route(/^\/travis(-ci)?\/([^\/]+\/[^\/]+)(?:\/(.+))?\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[2]; // eg, espadrine/sc
var branch = match[3];
var format = match[4];
var options = {
json: true,
uri: 'https://api.travis-ci.org/repos/' + userRepo + '/builds.json'
};
branch = branch || 'master';
var badgeData = getBadgeData('build', data);
request(options, function(err, res, json) {
if (err != null || (json.length !== undefined && json.length === 0)) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
return;
}
// Find the latest push on this branch.
var build = null;
for (var i = 0; i < json.length; i++) {
if (json[i].state === 'finished' && json[i].event_type === 'push'
&& json[i].branch === branch) {
build = json[i];
break;
}
}
badgeData.text[1] = 'pending';
if (build === null) {
sendBadge(format, badgeData);
return;
}
if (build.result === 0) {
badgeData.colorscheme = 'brightgreen';
badgeData.text[1] = 'passing';
} else if (build.result === 1) {
badgeData.colorscheme = 'red';
badgeData.text[1] = 'failing';
}
sendBadge(format, badgeData);
});
}));
// Gittip integration.
camp.route(/^\/gittip\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var user = match[1]; // eg, `JSFiddle`.
var format = match[2];
var apiUrl = 'https://www.gittip.com/' + user + '/public.json';
var badgeData = getBadgeData('tips', data);
request(apiUrl, function dealWithData(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
return;
}
try {
var data = JSON.parse(buffer);
var money = parseInt(data.receiving);
badgeData.text[1] = '$' + metric(money) + '/week';
if (money === 0) {
badgeData.colorscheme = 'red';
} else if (money < 10) {
badgeData.colorscheme = 'yellow';
} else if (money < 100) {
badgeData.colorscheme = 'green';
} else {
badgeData.colorscheme = 'brightgreen';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// Packagist integration.
camp.route(/^\/packagist\/dm\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[1]; // eg, `doctrine/orm`.
var format = match[2];
var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
var badgeData = getBadgeData('downloads', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var monthly = data.package.downloads.monthly;
badgeData.text[1] = metric(monthly) + '/month';
if (monthly === 0) {
badgeData.colorscheme = 'red';
} else if (monthly < 10) {
badgeData.colorscheme = 'yellow';
} else if (monthly < 100) {
badgeData.colorscheme = 'yellowgreen';
} else if (monthly < 1000) {
badgeData.colorscheme = 'green';
} else {
badgeData.colorscheme = 'brightgreen';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// Packagist version integration.
camp.route(/^\/packagist\/v\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[1];
var format = match[2];
var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
var badgeData = getBadgeData('packagist', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var version;
var unstable = function(ver) { return /dev/.test(ver); };
// Grab the latest stable version, or an unstable
for (var versionName in data.package.versions) {
var current = data.package.versions[versionName];
if (version !== undefined) {
if (unstable(version.version) && !unstable(current.version)) {
version = current;
} else if (version.version_normalized < current.version_normalized) {
version = current;
}
} else {
version = current;
}
}
version = version.version.replace(/^v/, "");
badgeData.text[1] = version;
if (/^\d/.test(badgeData.text[1])) {
badgeData.text[1] = 'v' + version;
}
if (version[0] === '0' || /dev/.test(version)) {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// Packagist license integration.
camp.route(/^\/packagist\/l\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[1];
var format = match[2];
var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
var badgeData = getBadgeData('license', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
// Note: if you change the latest version detection algorithm here,
// change it above (for the actual version badge).
var version;
var unstable = function(ver) { return /dev/.test(ver); };
// Grab the latest stable version, or an unstable
for (var versionName in data.package.versions) {
var current = data.package.versions[versionName];
if (version !== undefined) {
if (unstable(version.version) && !unstable(current.version)) {
version = current;
} else if (version.version_normalized < current.version_normalized) {
version = current;
}
} else {
version = current;
}
}
badgeData.text[1] = version.license[0];
badgeData.colorscheme = 'red';
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// npm integration.
camp.route(/^\/npm\/dm\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var user = match[1]; // eg, `localeval`.
var format = match[2];
var apiUrl = 'https://api.npmjs.org/downloads/point/last-month/' + user;
var badgeData = getBadgeData('downloads', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
return;
}
try {
var monthly = JSON.parse(buffer).downloads;
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
return;
}
badgeData.text[1] = metric(monthly) + '/month';
if (monthly === 0) {
badgeData.colorscheme = 'red';
} else if (monthly < 10) {
badgeData.colorscheme = 'yellow';
} else if (monthly < 100) {
badgeData.colorscheme = 'yellowgreen';
} else if (monthly < 1000) {
badgeData.colorscheme = 'green';
} else {
badgeData.colorscheme = 'brightgreen';
}
sendBadge(format, badgeData);
});
}));
// npm version integration.
camp.route(/^\/npm\/v\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var repo = match[1]; // eg, `localeval`.
var format = match[2];
var apiUrl = 'https://registry.npmjs.org/' + repo + '/latest';
var badgeData = getBadgeData('npm', data);
// Using the Accept header because of this bug:
// <https://github.com/npm/npmjs.org/issues/163>
request(apiUrl, { headers: { 'Accept': '*/*' } }, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var version = data.version;
badgeData.text[1] = 'v' + version;
if (version[0] === '0' || /dev/.test(version)) {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// Gem version integration.
camp.route(/^\/gem\/v\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var repo = match[1]; // eg, `localeval`.
var format = match[2];
var apiUrl = 'https://rubygems.org/api/v1/gems/' + repo + '.json';
var badgeData = getBadgeData('gem', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var version = data.version;
badgeData.text[1] = 'v' + version;
if (version[0] === '0' || /dev/.test(version)) {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// PyPI integration.
camp.route(/^\/pypi\/([^\/]+)\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var info = match[1];
var egg = match[2]; // eg, `gevent`.
var format = match[3];
var apiUrl = 'https://pypi.python.org/pypi/' + egg + '/json';
var badgeData = getBadgeData('pypi', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
if (info.charAt(0) === 'd') {
badgeData.text[0] = getLabel('downloads', data);
switch (info.charAt(1)) {
case 'm':
var downloads = data.info.downloads.last_month;
badgeData.text[1] = metric(downloads) + '/month';
break;
case 'w':
var downloads = data.info.downloads.last_week;
badgeData.text[1] = metric(downloads) + '/week';
break;
case 'd':
var downloads = data.info.downloads.last_day;
badgeData.text[1] = metric(downloads) + '/day';
break;
}
if (downloads === 0) {
badgeData.colorscheme = 'red';
} else if (downloads < 10) {
badgeData.colorscheme = 'yellow';
} else if (downloads < 100) {
badgeData.colorscheme = 'yellowgreen';
} else if (downloads < 1000) {
badgeData.colorscheme = 'green';
} else {
badgeData.colorscheme = 'brightgreen';
}
sendBadge(format, badgeData);
} else if (info === 'v') {
var version = data.info.version;
badgeData.text[1] = 'v' + version;
if (version[0] === '0' || /dev/.test(version)) {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
}
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// Coveralls integration.
camp.route(/^\/coveralls\/([^\/]+\/[^\/]+)(?:\/(.+))?\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[1]; // eg, `jekyll/jekyll`.
var branch = match[2];
var format = match[3];
var apiUrl = 'https://coveralls.io/repos/' + userRepo + '/badge.png';
if (branch) {
apiUrl += '?branch=' + branch;
}
var badgeData = getBadgeData('coverage', data);
https.get(apiUrl, function(res) {
// We should get a 302. Look inside the Location header.
var buffer = res.headers.location;
if (!buffer) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
return;
}
try {
var score = buffer.split('_')[1].split('.')[0];
var percentage = parseInt(score);
if (percentage !== percentage) {
// It is NaN, treat it as unknown.
badgeData.text[1] = 'unknown';
sendBadge(format, badgeData);
return;
}
} catch(e) {
badgeData.text[1] = 'malformed';
sendBadge(format, badgeData);
return;
}
badgeData.text[1] = score + '%';
if (percentage < 80) {
badgeData.colorscheme = 'red';
} else if (percentage < 90) {
badgeData.colorscheme = 'yellow';
} else if (percentage < 95) {
badgeData.colorscheme = 'green';
} else {
badgeData.colorscheme = 'brightgreen';
}
sendBadge(format, badgeData);
}).on('error', function(e) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
});
}));
// Code Climate coverage integration
camp.route(/^\/codeclimate\/coverage\/(.+)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[1]; // eg, `github/triAGENS/ashikawa-core`.
var format = match[2];
var options = {
method: 'HEAD',
uri: 'https://codeclimate.com/' + userRepo + '/coverage.png'
};
var badgeData = getBadgeData('coverage', data);
request(options, function(err, res) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var score = res.headers['content-disposition']
.match(/filename="coverage_(.+)\.png"/)[1];
if (!score) {
badgeData.text[1] = 'malformed';
sendBadge(format, badgeData);
return;
}
var percentage = parseInt(score);
if (percentage !== percentage) {
// It is NaN, treat it as unknown.
badgeData.text[1] = 'unknown';
sendBadge(format, badgeData);
return;
}
badgeData.text[1] = score + '%';
if (percentage < 80) {
badgeData.colorscheme = 'red';
} else if (percentage < 90) {
badgeData.colorscheme = 'yellow';
} else if (percentage < 95) {
badgeData.colorscheme = 'green';
} else {
badgeData.colorscheme = 'brightgreen';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'not found';
sendBadge(format, badgeData);
}
});
}));
// Code Climate integration
camp.route(/^\/codeclimate\/(.+)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[1]; // eg, `github/kabisaict/flow`.
var format = match[2];
var options = {
method: 'HEAD',
uri: 'https://codeclimate.com/' + userRepo + '.png'
};
var badgeData = getBadgeData('code climate', data);
request(options, function(err, res) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var statusMatch = res.headers['content-disposition']
.match(/filename="code_climate-(.+)\.png"/);
if (!statusMatch) {
badgeData.text[1] = 'unknown';
sendBadge(format, badgeData);
return;
}
var state = statusMatch[1].replace('-', '.');
var score = +state;
badgeData.text[1] = state;
if (score == 4) {
badgeData.colorscheme = 'brightgreen';
} else if (score > 3) {
badgeData.colorscheme = 'green';
} else if (score > 2) {
badgeData.colorscheme = 'yellowgreen';
} else if (score > 1) {
badgeData.colorscheme = 'yellow';
} else {
badgeData.colorscheme = 'red';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'not found';
sendBadge(format, badgeData);
}
});
}));
// Gemnasium integration
camp.route(/^\/gemnasium\/(.+)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var userRepo = match[1]; // eg, `jekyll/jekyll`.
var format = match[2];
var options = 'https://gemnasium.com/' + userRepo + '.svg';
var badgeData = getBadgeData('dependencies', data);
request(options, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var nameMatch = buffer.match(/(devD|d)ependencies/)[0];
var statusMatch = buffer.match(/'12'>(.+)<\/text>\n<\/g>/)[1];
badgeData.text[0] = nameMatch;
badgeData.text[1] = statusMatch;
if (statusMatch === 'up-to-date') {
badgeData.colorscheme = 'brightgreen';
} else if (statusMatch === 'out-of-date') {
badgeData.colorscheme = 'yellow';
} else if (statusMatch === 'update!') {
badgeData.colorscheme = 'red';
} else if (statusMatch === 'none') {
badgeData.colorscheme = 'brightgreen';
} else {
badgeData.text[1] = 'undefined';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
return;
}
});
}));
// Hackage version integration.
camp.route(/^\/hackage\/v\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var repo = match[1]; // eg, `lens`.
var format = match[2];
var apiUrl = 'https://hackage.haskell.org/package/' + repo + '/' + repo + '.cabal';
var badgeData = getBadgeData('hackage', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var lines = buffer.split("\n");
var versionLines = lines.filter(function(e) {
return (/^version:/i).test(e) === true;
});
// We don't have to check length of versionLines, because if we throw,
// we'll render the 'invalid' badge below, which is the correct thing
// to do.
var version = versionLines[0].replace(/\s+/, '').split(/:/)[1];
badgeData.text[1] = 'v' + version;
if (version[0] === '0') {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// CocoaPods version integration.
camp.route(/^\/cocoapods\/v\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var spec = match[1]; // eg, AFNetworking
var format = match[2];
var apiUrl = 'http://search.cocoapods.org/api/v1/pod/' + spec + '.json';
var badgeData = getBadgeData('pod', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var version = data.version;
version = version.replace(/^v/, "");
badgeData.text[1] = version;
if (/^\d/.test(badgeData.text[1])) {
badgeData.text[1] = 'v' + version;
}
if (version[0] === '0' || /dev/.test(version)) {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// GitHub tag integration.
camp.route(/^\/github\/tag\/(.*)\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var user = match[1]; // eg, visionmedia/express
var repo = match[2];
var format = match[3];
var apiUrl = 'https://api.github.com/repos/' + user + '/' + repo + '/tags';
var badgeData = getBadgeData('tag', data);
// A special User-Agent is required:
// http://developer.github.com/v3/#user-agent-required
request(apiUrl, { headers: { 'User-Agent': 'Shields.io' } }, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var tag = data[0].name;
badgeData.text[1] = tag;
badgeData.colorscheme = 'blue';
if (/^v[0-9]/.test(tag)) {
tag = tag.slice(1);
}
if (/^[0-9]/.test(tag)) {
badgeData.text[1] = 'v' + tag;
if (tag[0] === '0' || /dev/.test(tag)) {
badgeData.colorscheme = 'orange';
}
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// GitHub release integration.
camp.route(/^\/github\/release\/(.*)\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var user = match[1]; // eg, qubyte/rubidium
var repo = match[2];
var format = match[3];
var apiUrl = 'https://api.github.com/repos/' + user + '/' + repo + '/releases';
var badgeData = getBadgeData('release', data);
// A special User-Agent is required:
// http://developer.github.com/v3/#user-agent-required
request(apiUrl, { headers: { 'User-Agent': 'Shields.io' } }, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var latest = (function () {
for (var i = 0, len = data.length; i < len; i++) {
if (!data[i].draft) {
return data[i];
}
}
})();
var tag = latest.tag_name;
badgeData.text[1] = tag;
badgeData.colorscheme = latest.prerelease ? 'orange' : 'blue';
if (/^v[0-9]/.test(tag)) {
tag = tag.slice(1);
}
if (/^[0-9]/.test(tag)) {
badgeData.text[1] = 'v' + tag;
if (tag[0] === '0' || /dev/.test(tag)) {
badgeData.colorscheme = 'orange';
}
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// Chef cookbook integration.
camp.route(/^\/cookbook\/v\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var cookbook = match[1]; // eg, chef-sugar
var format = match[2];
var apiUrl = 'https://cookbooks.opscode.com/api/v1/cookbooks/' + cookbook + '/versions/latest';
var badgeData = getBadgeData('cookbook', data);
request(apiUrl, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var version = data.version;
badgeData.text[1] = 'v' + version;
if (version[0] === '0' || /dev/.test(version)) {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// NuGet version integration.
camp.route(/^\/nuget\/v\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var repo = match[1]; // eg, `Nuget.Core`.
var format = match[2];
var apiUrl = 'https://www.nuget.org/api/v2/Packages()?$filter=Id%20eq%20%27' + repo + '%27%20and%20IsLatestVersion%20eq%20true';
var badgeData = getBadgeData('nuget', data);
request(apiUrl, { headers: { 'Accept': 'application/atom+json,application/json' } }, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var version = data.d.results[0].NormalizedVersion;
badgeData.text[1] = 'v' + version;
if (version[0] === '0') {
badgeData.colorscheme = 'orange';
} else {
badgeData.colorscheme = 'blue';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// TeamCity CodeBetter version integration.
camp.route(/^\/teamcity\/codebetter\/(.*)\.(svg|png|gif|jpg)$/,
cache(function(data, match, sendBadge) {
var buildType = match[1]; // eg, `bt428`.
var format = match[2];
var apiUrl = 'http://teamcity.codebetter.com/app/rest/builds/buildType:(id:' + buildType + ')?guest=1';
var badgeData = getBadgeData('build', data);
request(apiUrl, { headers: { 'Accept': 'application/json' } }, function(err, res, buffer) {
if (err != null) {
badgeData.text[1] = 'inaccessible';
sendBadge(format, badgeData);
}
try {
var data = JSON.parse(buffer);
var status = data.status;
badgeData.text[1] = (status || '').toLowerCase();
if (status === 'SUCCESS') {
badgeData.colorscheme = 'brightgreen';
} else {
badgeData.colorscheme = 'red';
}
sendBadge(format, badgeData);
} catch(e) {
badgeData.text[1] = 'invalid';
sendBadge(format, badgeData);
}
});
}));
// Any badge.
camp.route(/^\/(:|badge\/)(([^-]|--)+)-(([^-]|--)+)-(([^-]|--)+)\.(svg|png|gif|jpg)$/,
function(data, match, end, ask) {
var subject = escapeFormat(match[2]);
var status = escapeFormat(match[4]);
var color = escapeFormat(match[6]);
var format = match[8];
incrMonthlyAnalytics(analytics.rawMonthly);
// Cache management - the badge is constant.
var cacheDuration = (3600*24*1)|0; // 1 day.
ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
if (+(new Date(ask.req.headers['if-modified-since'])) >= +serverStartTime) {
ask.res.statusCode = 304;
ask.res.end(); // not modified.
return;
}
ask.res.setHeader('Last-Modified', serverStartTime.toGMTString());
// Badge creation.
try {
var badgeData = {text: [subject, status]};
if (sixHex(color)) {
badgeData.colorB = '#' + color;
} else {
badgeData.colorscheme = color;
}
if (data.style && validTemplates.indexOf(data.style) > -1) {
badgeData.template = data.style;
}
badge(badgeData, makeSend(format, ask.res, end));
} catch(e) {
badge({text: ['error', 'bad badge'], colorscheme: 'red'},
makeSend(format, ask.res, end));
}
});
// Any badge, old version.
camp.route(/^\/([^\/]+)\/(.+).png$/,
function(data, match, end, ask) {
var subject = match[1];
var status = match[2];
var color = data.color;
// Cache management - the badge is constant.
var cacheDuration = (3600*24*1)|0; // 1 day.
ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
if (+(new Date(ask.req.headers['if-modified-since'])) >= +serverStartTime) {
ask.res.statusCode = 304;
ask.res.end(); // not modified.
return;
}
ask.res.setHeader('Last-Modified', serverStartTime.toGMTString());