1 files changed, 0 insertions, 238 deletions
diff --git a/backend/node_modules/cors/lib/index.js b/backend/node_modules/cors/lib/index.js
deleted file mode 100644
index 5475aec..0000000
--- a/backend/node_modules/cors/lib/index.js
+++ /dev/null
@@ -1,238 +0,0 @@
-(function () {
-
-  'use strict';
-
-  var assign = require('object-assign');
-  var vary = require('vary');
-
-  var defaults = {
-    origin: '*',
-    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE',
-    preflightContinue: false,
-    optionsSuccessStatus: 204
-  };
-
-  function isString(s) {
-    return typeof s === 'string' || s instanceof String;
-  }
-
-  function isOriginAllowed(origin, allowedOrigin) {
-    if (Array.isArray(allowedOrigin)) {
-      for (var i = 0; i < allowedOrigin.length; ++i) {
-        if (isOriginAllowed(origin, allowedOrigin[i])) {
-          return true;
-        }
-      }
-      return false;
-    } else if (isString(allowedOrigin)) {
-      return origin === allowedOrigin;
-    } else if (allowedOrigin instanceof RegExp) {
-      return allowedOrigin.test(origin);
-    } else {
-      return !!allowedOrigin;
-    }
-  }
-
-  function configureOrigin(options, req) {
-    var requestOrigin = req.headers.origin,
-      headers = [],
-      isAllowed;
-
-    if (!options.origin || options.origin === '*') {
-      // allow any origin
-      headers.push([{
-        key: 'Access-Control-Allow-Origin',
-        value: '*'
-      }]);
-    } else if (isString(options.origin)) {
-      // fixed origin
-      headers.push([{
-        key: 'Access-Control-Allow-Origin',
-        value: options.origin
-      }]);
-      headers.push([{
-        key: 'Vary',
-        value: 'Origin'
-      }]);
-    } else {
-      isAllowed = isOriginAllowed(requestOrigin, options.origin);
-      // reflect origin
-      headers.push([{
-        key: 'Access-Control-Allow-Origin',
-        value: isAllowed ? requestOrigin : false
-      }]);
-      headers.push([{
-        key: 'Vary',
-        value: 'Origin'
-      }]);
-    }
-
-    return headers;
-  }
-
-  function configureMethods(options) {
-    var methods = options.methods;
-    if (methods.join) {
-      methods = options.methods.join(','); // .methods is an array, so turn it into a string
-    }
-    return {
-      key: 'Access-Control-Allow-Methods',
-      value: methods
-    };
-  }
-
-  function configureCredentials(options) {
-    if (options.credentials === true) {
-      return {
-        key: 'Access-Control-Allow-Credentials',
-        value: 'true'
-      };
-    }
-    return null;
-  }
-
-  function configureAllowedHeaders(options, req) {
-    var allowedHeaders = options.allowedHeaders || options.headers;
-    var headers = [];
-
-    if (!allowedHeaders) {
-      allowedHeaders = req.headers['access-control-request-headers']; // .headers wasn't specified, so reflect the request headers
-      headers.push([{
-        key: 'Vary',
-        value: 'Access-Control-Request-Headers'
-      }]);
-    } else if (allowedHeaders.join) {
-      allowedHeaders = allowedHeaders.join(','); // .headers is an array, so turn it into a string
-    }
-    if (allowedHeaders && allowedHeaders.length) {
-      headers.push([{
-        key: 'Access-Control-Allow-Headers',
-        value: allowedHeaders
-      }]);
-    }
-
-    return headers;
-  }
-
-  function configureExposedHeaders(options) {
-    var headers = options.exposedHeaders;
-    if (!headers) {
-      return null;
-    } else if (headers.join) {
-      headers = headers.join(','); // .headers is an array, so turn it into a string
-    }
-    if (headers && headers.length) {
-      return {
-        key: 'Access-Control-Expose-Headers',
-        value: headers
-      };
-    }
-    return null;
-  }
-
-  function configureMaxAge(options) {
-    var maxAge = (typeof options.maxAge === 'number' || options.maxAge) && options.maxAge.toString()
-    if (maxAge && maxAge.length) {
-      return {
-        key: 'Access-Control-Max-Age',
-        value: maxAge
-      };
-    }
-    return null;
-  }
-
-  function applyHeaders(headers, res) {
-    for (var i = 0, n = headers.length; i < n; i++) {
-      var header = headers[i];
-      if (header) {
-        if (Array.isArray(header)) {
-          applyHeaders(header, res);
-        } else if (header.key === 'Vary' && header.value) {
-          vary(res, header.value);
-        } else if (header.value) {
-          res.setHeader(header.key, header.value);
-        }
-      }
-    }
-  }
-
-  function cors(options, req, res, next) {
-    var headers = [],
-      method = req.method && req.method.toUpperCase && req.method.toUpperCase();
-
-    if (method === 'OPTIONS') {
-      // preflight
-      headers.push(configureOrigin(options, req));
-      headers.push(configureCredentials(options, req));
-      headers.push(configureMethods(options, req));
-      headers.push(configureAllowedHeaders(options, req));
-      headers.push(configureMaxAge(options, req));
-      headers.push(configureExposedHeaders(options, req));
-      applyHeaders(headers, res);
-
-      if (options.preflightContinue) {
-        next();
-      } else {
-        // Safari (and potentially other browsers) need content-length 0,
-        //   for 204 or they just hang waiting for a body
-        res.statusCode = options.optionsSuccessStatus;
-        res.setHeader('Content-Length', '0');
-        res.end();
-      }
-    } else {
-      // actual response
-      headers.push(configureOrigin(options, req));
-      headers.push(configureCredentials(options, req));
-      headers.push(configureExposedHeaders(options, req));
-      applyHeaders(headers, res);
-      next();
-    }
-  }
-
-  function middlewareWrapper(o) {
-    // if options are static (either via defaults or custom options passed in), wrap in a function
-    var optionsCallback = null;
-    if (typeof o === 'function') {
-      optionsCallback = o;
-    } else {
-      optionsCallback = function (req, cb) {
-        cb(null, o);
-      };
-    }
-
-    return function corsMiddleware(req, res, next) {
-      optionsCallback(req, function (err, options) {
-        if (err) {
-          next(err);
-        } else {
-          var corsOptions = assign({}, defaults, options);
-          var originCallback = null;
-          if (corsOptions.origin && typeof corsOptions.origin === 'function') {
-            originCallback = corsOptions.origin;
-          } else if (corsOptions.origin) {
-            originCallback = function (origin, cb) {
-              cb(null, corsOptions.origin);
-            };
-          }
-
-          if (originCallback) {
-            originCallback(req.headers.origin, function (err2, origin) {
-              if (err2 || !origin) {
-                next(err2);
-              } else {
-                corsOptions.origin = origin;
-                cors(corsOptions, req, res, next);
-              }
-            });
-          } else {
-            next();
-          }
-        }
-      });
-    };
-  }
-
-  // can pass either an options hash, an options delegate, or nothing
-  module.exports = middlewareWrapper;
-
-}());