1 files changed, 74 insertions, 0 deletions
diff --git a/node_modules/clean-css/lib/reader/load-remote-resource.js b/node_modules/clean-css/lib/reader/load-remote-resource.js
new file mode 100644
index 000000000..0133c78bf
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/load-remote-resource.js
@@ -0,0 +1,74 @@
+var http = require('http');
+var https = require('https');
+var url = require('url');
+
+var isHttpResource = require('../utils/is-http-resource');
+var isHttpsResource = require('../utils/is-https-resource');
+var override = require('../utils/override');
+
+var HTTP_PROTOCOL = 'http:';
+
+function loadRemoteResource(uri, inlineRequest, inlineTimeout, callback) {
+  var proxyProtocol = inlineRequest.protocol || inlineRequest.hostname;
+  var errorHandled = false;
+  var requestOptions;
+  var fetch;
+
+  requestOptions = override(
+    url.parse(uri),
+    inlineRequest || {}
+  );
+
+  if (inlineRequest.hostname !== undefined) {
+    // overwrite as we always expect a http proxy currently
+    requestOptions.protocol = inlineRequest.protocol || HTTP_PROTOCOL;
+    requestOptions.path = requestOptions.href;
+  }
+
+  fetch = (proxyProtocol && !isHttpsResource(proxyProtocol)) || isHttpResource(uri) ?
+    http.get :
+    https.get;
+
+  fetch(requestOptions, function (res) {
+    var chunks = [];
+    var movedUri;
+
+    if (errorHandled) {
+      return;
+    }
+
+    if (res.statusCode < 200 || res.statusCode > 399) {
+      return callback(res.statusCode, null);
+    } else if (res.statusCode > 299) {
+      movedUri = url.resolve(uri, res.headers.location);
+      return loadRemoteResource(movedUri, inlineRequest, inlineTimeout, callback);
+    }
+
+    res.on('data', function (chunk) {
+      chunks.push(chunk.toString());
+    });
+    res.on('end', function () {
+      var body = chunks.join('');
+      callback(null, body);
+    });
+  })
+  .on('error', function (res) {
+    if (errorHandled) {
+      return;
+    }
+
+    errorHandled = true;
+    callback(res.message, null);
+  })
+  .on('timeout', function () {
+    if (errorHandled) {
+      return;
+    }
+
+    errorHandled = true;
+    callback('timeout', null);
+  })
+  .setTimeout(inlineTimeout);
+}
+
+module.exports = loadRemoteResource;