s202226701001/sever-test/node_modules/parse-server/lib/PromiseRouter.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _node = _interopRequireDefault(require("parse/node"));
var _express = _interopRequireDefault(require("express"));
var _logger = _interopRequireDefault(require("./logger"));
var _util = require("util");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
// A router that is based on promises rather than req/res/next.
// This is intended to replace the use of express.Router to handle
// subsections of the API surface.
// This will make it easier to have methods like 'batch' that
// themselves use our routing information, without disturbing express
// components that external developers may be modifying.

const Layer = require('express/lib/router/layer');
function validateParameter(key, value) {
  if (key == 'className') {
    if (value.match(/_?[A-Za-z][A-Za-z_0-9]*/)) {
      return value;
    }
  } else if (key == 'objectId') {
    if (value.match(/[A-Za-z0-9]+/)) {
      return value;
    }
  } else {
    return value;
  }
}
class PromiseRouter {
  // Each entry should be an object with:
  // path: the path to route, in express format
  // method: the HTTP method that this route handles.
  //   Must be one of: POST, GET, PUT, DELETE
  // handler: a function that takes request, and returns a promise.
  //   Successful handlers should resolve to an object with fields:
  //     status: optional. the http status code. defaults to 200
  //     response: a json object with the content of the response
  //     location: optional. a location header
  constructor(routes = [], appId) {
    this.routes = routes;
    this.appId = appId;
    this.mountRoutes();
  }

  // Leave the opportunity to
  // subclasses to mount their routes by overriding
  mountRoutes() {}

  // Merge the routes into this one
  merge(router) {
    for (var route of router.routes) {
      this.routes.push(route);
    }
  }
  route(method, path, ...handlers) {
    switch (method) {
      case 'POST':
      case 'GET':
      case 'PUT':
      case 'DELETE':
        break;
      default:
        throw 'cannot route method: ' + method;
    }
    let handler = handlers[0];
    if (handlers.length > 1) {
      handler = function (req) {
        return handlers.reduce((promise, handler) => {
          return promise.then(() => {
            return handler(req);
          });
        }, Promise.resolve());
      };
    }
    this.routes.push({
      path: path,
      method: method,
      handler: handler,
      layer: new Layer(path, null, handler)
    });
  }

  // Returns an object with:
  //   handler: the handler that should deal with this request
  //   params: any :-params that got parsed from the path
  // Returns undefined if there is no match.
  match(method, path) {
    for (var route of this.routes) {
      if (route.method != method) {
        continue;
      }
      const layer = route.layer || new Layer(route.path, null, route.handler);
      const match = layer.match(path);
      if (match) {
        const params = layer.params;
        Object.keys(params).forEach(key => {
          params[key] = validateParameter(key, params[key]);
        });
        return {
          params: params,
          handler: route.handler
        };
      }
    }
  }

  // Mount the routes on this router onto an express app (or express router)
  mountOnto(expressApp) {
    this.routes.forEach(route => {
      const method = route.method.toLowerCase();
      const handler = makeExpressHandler(this.appId, route.handler);
      expressApp[method].call(expressApp, route.path, handler);
    });
    return expressApp;
  }
  expressRouter() {
    return this.mountOnto(_express.default.Router());
  }
  tryRouteRequest(method, path, request) {
    var match = this.match(method, path);
    if (!match) {
      throw new _node.default.Error(_node.default.Error.INVALID_JSON, 'cannot route ' + method + ' ' + path);
    }
    request.params = match.params;
    return new Promise((resolve, reject) => {
      match.handler(request).then(resolve, reject);
    });
  }
}

// A helper function to make an express handler out of a a promise
// handler.
// Express handlers should never throw; if a promise handler throws we
// just treat it like it resolved to an error.
exports.default = PromiseRouter;
function makeExpressHandler(appId, promiseHandler) {
  return function (req, res, next) {
    try {
      const url = maskSensitiveUrl(req);
      const body = Object.assign({}, req.body);
      const method = req.method;
      const headers = req.headers;
      _logger.default.logRequest({
        method,
        url,
        headers,
        body
      });
      promiseHandler(req).then(result => {
        if (!result.response && !result.location && !result.text) {
          _logger.default.error('the handler did not include a "response" or a "location" field');
          throw 'control should not get here';
        }
        _logger.default.logResponse({
          method,
          url,
          result
        });
        var status = result.status || 200;
        res.status(status);
        if (result.headers) {
          Object.keys(result.headers).forEach(header => {
            res.set(header, result.headers[header]);
          });
        }
        if (result.text) {
          res.send(result.text);
          return;
        }
        if (result.location) {
          res.set('Location', result.location);
          // Override the default expressjs response
          // as it double encodes %encoded chars in URL
          if (!result.response) {
            res.send('Found. Redirecting to ' + result.location);
            return;
          }
        }
        res.json(result.response);
      }, error => {
        next(error);
      }).catch(e => {
        _logger.default.error(`Error generating response. ${(0, _util.inspect)(e)}`, {
          error: e
        });
        next(e);
      });
    } catch (e) {
      _logger.default.error(`Error handling request: ${(0, _util.inspect)(e)}`, {
        error: e
      });
      next(e);
    }
  };
}
function maskSensitiveUrl(req) {
  let maskUrl = req.originalUrl.toString();
  const shouldMaskUrl = req.method === 'GET' && req.originalUrl.includes('/login') && !req.originalUrl.includes('classes');
  if (shouldMaskUrl) {
    maskUrl = _logger.default.maskSensitiveUrl(maskUrl);
  }
  return maskUrl;
}
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that is based on promises rather than req/res/next.\n// This is intended to replace the use of express.Router to handle\n// subsections of the API surface.\n// This will make it easier to have methods like 'batch' that\n// themselves use our routing information, without disturbing express\n// components that external developers may be modifying.\n\nimport Parse from 'parse/node';\nimport express from 'express';\nimport log from './logger';\nimport { inspect } from 'util';\nconst Layer = require('express/lib/router/layer');\n\nfunction validateParameter(key, value) {\n  if (key == 'className') {\n    if (value.match(/_?[A-Za-z][A-Za-z_0-9]*/)) {\n      return value;\n    }\n  } else if (key == 'objectId') {\n    if (value.match(/[A-Za-z0-9]+/)) {\n      return value;\n    }\n  } else {\n    return value;\n  }\n}\n\nexport default class PromiseRouter {\n  // Each entry should be an object with:\n  // path: the path to route, in express format\n  // method: the HTTP method that this route handles.\n  //   Must be one of: POST, GET, PUT, DELETE\n  // handler: a function that takes request, and returns a promise.\n  //   Successful handlers should resolve to an object with fields:\n  //     status: optional. the http status code. defaults to 200\n  //     response: a json object with the content of the response\n  //     location: optional. a location header\n  constructor(routes = [], appId) {\n    this.routes = routes;\n    this.appId = appId;\n    this.mountRoutes();\n  }\n\n  // Leave the opportunity to\n  // subclasses to mount their routes by overriding\n  mountRoutes() {}\n\n  // Merge the routes into this one\n  merge(router) {\n    for (var route of router.routes) {\n      this.routes.push(route);\n    }\n  }\n\n  route(method, path, ...handlers) {\n    switch (method) {\n      case 'POST':\n      case 'GET':\n      case 'PUT':\n      case 'DELETE':\n        break;\n      default:\n        throw 'cannot route method: ' + method;\n    }\n\n    let handler = handlers[0];\n\n    if (handlers.length > 1) {\n      handler = function (req) {\n        return handlers.reduce((promise, handler) => {\n          return promise.then(() => {\n            return handler(req);\n          });\n        }, Promise.resolve());\n      };\n    }\n\n    this.routes.push({\n      path: path,\n      method: method,\n      handler: handler,\n      layer: new Layer(path, null, handler),\n    });\n  }\n\n  // Returns an object with:\n  //   handler: the handler that should deal with this request\n  //   params: any :-params that got parsed from the path\n  // Returns undefined if there is no match.\n  match(method, path) {\n    for (var route of this.routes) {\n      if (route.method != method) {\n        continue;\n      }\n      const layer = route.layer || new Layer(route.path, null, route.handler);\n      const match = layer.match(path);\n      if (match) {\n        const params = layer.params;\n        Object.keys(params).forEach(key => {\n          params[key] = validateParameter(key, params[key]);\n        });\n        return { params: params, handler: route.handler };\n      }\n    }\n  }\n\n  // Mount the routes on this router onto an express app (or express router)\n  mountOnto(expressApp) {\n    this.routes.forEach(route => {\n      const method = route.method.toLowerCase();\n      const handler = makeExpressHandler(this.appId, route.handler);\n      expressApp[method].call(expressApp, route.path, handler);\n    });\n    return expressApp;\n  }\n\n  expressRouter() {\n    return this.mountOnto(express.Router());\n  }\n\n  tryRouteRequest(method, path, request) {\n    var match = this.match(method, path);\n    if (!match) {\n      throw new Parse.Error(Parse.Error.INVALID_JSON, 'cannot route ' + method + ' ' + path);\n    }\n    request.params = match.params;\n    return new Promise((resolve, reject) => {\n      match.handler(request).then(resolve, reject);\n    });\n  }\n}\n\n// A helper function to make an express handler 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