FilesRouter.js 43 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.FilesRouter = void 0;
  6. var _express = _interopRequireDefault(require("express"));
  7. var _bodyParser = _interopRequireDefault(require("body-parser"));
  8. var Middlewares = _interopRequireWildcard(require("../middlewares"));
  9. var _node = _interopRequireDefault(require("parse/node"));
  10. var _Config = _interopRequireDefault(require("../Config"));
  11. var _mime = _interopRequireDefault(require("mime"));
  12. var _logger = _interopRequireDefault(require("../logger"));
  13. function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
  14. function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
  15. function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
  16. const triggers = require('../triggers');
  17. const http = require('http');
  18. const Utils = require('../Utils');
  19. const downloadFileFromURI = uri => {
  20. return new Promise((res, rej) => {
  21. http.get(uri, response => {
  22. response.setDefaultEncoding('base64');
  23. let body = `data:${response.headers['content-type']};base64,`;
  24. response.on('data', data => body += data);
  25. response.on('end', () => res(body));
  26. }).on('error', e => {
  27. rej(`Error downloading file from ${uri}: ${e.message}`);
  28. });
  29. });
  30. };
  31. const addFileDataIfNeeded = async file => {
  32. if (file._source.format === 'uri') {
  33. const base64 = await downloadFileFromURI(file._source.uri);
  34. file._previousSave = file;
  35. file._data = base64;
  36. file._requestTask = null;
  37. }
  38. return file;
  39. };
  40. class FilesRouter {
  41. expressRouter({
  42. maxUploadSize = '20Mb'
  43. } = {}) {
  44. var router = _express.default.Router();
  45. router.get('/files/:appId/:filename', this.getHandler);
  46. router.get('/files/:appId/metadata/:filename', this.metadataHandler);
  47. router.post('/files', function (req, res, next) {
  48. next(new _node.default.Error(_node.default.Error.INVALID_FILE_NAME, 'Filename not provided.'));
  49. });
  50. router.post('/files/:filename', _bodyParser.default.raw({
  51. type: () => {
  52. return true;
  53. },
  54. limit: maxUploadSize
  55. }),
  56. // Allow uploads without Content-Type, or with any Content-Type.
  57. Middlewares.handleParseHeaders, Middlewares.handleParseSession, this.createHandler);
  58. router.delete('/files/:filename', Middlewares.handleParseHeaders, Middlewares.handleParseSession, Middlewares.enforceMasterKeyAccess, this.deleteHandler);
  59. return router;
  60. }
  61. getHandler(req, res) {
  62. const config = _Config.default.get(req.params.appId);
  63. if (!config) {
  64. res.status(403);
  65. const err = new _node.default.Error(_node.default.Error.OPERATION_FORBIDDEN, 'Invalid application ID.');
  66. res.json({
  67. code: err.code,
  68. error: err.message
  69. });
  70. return;
  71. }
  72. const filesController = config.filesController;
  73. const filename = req.params.filename;
  74. const contentType = _mime.default.getType(filename);
  75. if (isFileStreamable(req, filesController)) {
  76. filesController.handleFileStream(config, filename, req, res, contentType).catch(() => {
  77. res.status(404);
  78. res.set('Content-Type', 'text/plain');
  79. res.end('File not found.');
  80. });
  81. } else {
  82. filesController.getFileData(config, filename).then(data => {
  83. res.status(200);
  84. res.set('Content-Type', contentType);
  85. res.set('Content-Length', data.length);
  86. res.end(data);
  87. }).catch(() => {
  88. res.status(404);
  89. res.set('Content-Type', 'text/plain');
  90. res.end('File not found.');
  91. });
  92. }
  93. }
  94. async createHandler(req, res, next) {
  95. var _config$fileUpload;
  96. const config = req.config;
  97. const user = req.auth.user;
  98. const isMaster = req.auth.isMaster;
  99. const isLinked = user && _node.default.AnonymousUtils.isLinked(user);
  100. if (!isMaster && !config.fileUpload.enableForAnonymousUser && isLinked) {
  101. next(new _node.default.Error(_node.default.Error.FILE_SAVE_ERROR, 'File upload by anonymous user is disabled.'));
  102. return;
  103. }
  104. if (!isMaster && !config.fileUpload.enableForAuthenticatedUser && !isLinked && user) {
  105. next(new _node.default.Error(_node.default.Error.FILE_SAVE_ERROR, 'File upload by authenticated user is disabled.'));
  106. return;
  107. }
  108. if (!isMaster && !config.fileUpload.enableForPublic && !user) {
  109. next(new _node.default.Error(_node.default.Error.FILE_SAVE_ERROR, 'File upload by public is disabled.'));
  110. return;
  111. }
  112. const filesController = config.filesController;
  113. const {
  114. filename
  115. } = req.params;
  116. const contentType = req.get('Content-type');
  117. if (!req.body || !req.body.length) {
  118. next(new _node.default.Error(_node.default.Error.FILE_SAVE_ERROR, 'Invalid file upload.'));
  119. return;
  120. }
  121. const error = filesController.validateFilename(filename);
  122. if (error) {
  123. next(error);
  124. return;
  125. }
  126. const fileExtensions = (_config$fileUpload = config.fileUpload) === null || _config$fileUpload === void 0 ? void 0 : _config$fileUpload.fileExtensions;
  127. if (!isMaster && fileExtensions) {
  128. var _extension;
  129. const isValidExtension = extension => {
  130. return fileExtensions.some(ext => {
  131. if (ext === '*') {
  132. return true;
  133. }
  134. const regex = new RegExp(ext);
  135. if (regex.test(extension)) {
  136. return true;
  137. }
  138. });
  139. };
  140. let extension = contentType;
  141. if (filename && filename.includes('.')) {
  142. extension = filename.substring(filename.lastIndexOf('.') + 1);
  143. } else if (contentType && contentType.includes('/')) {
  144. extension = contentType.split('/')[1];
  145. }
  146. extension = (_extension = extension) === null || _extension === void 0 || (_extension = _extension.split(' ')) === null || _extension === void 0 ? void 0 : _extension.join('');
  147. if (extension && !isValidExtension(extension)) {
  148. next(new _node.default.Error(_node.default.Error.FILE_SAVE_ERROR, `File upload of extension ${extension} is disabled.`));
  149. return;
  150. }
  151. }
  152. const base64 = req.body.toString('base64');
  153. const file = new _node.default.File(filename, {
  154. base64
  155. }, contentType);
  156. const {
  157. metadata = {},
  158. tags = {}
  159. } = req.fileData || {};
  160. try {
  161. // Scan request data for denied keywords
  162. Utils.checkProhibitedKeywords(config, metadata);
  163. Utils.checkProhibitedKeywords(config, tags);
  164. } catch (error) {
  165. next(new _node.default.Error(_node.default.Error.INVALID_KEY_NAME, error));
  166. return;
  167. }
  168. file.setTags(tags);
  169. file.setMetadata(metadata);
  170. const fileSize = Buffer.byteLength(req.body);
  171. const fileObject = {
  172. file,
  173. fileSize
  174. };
  175. try {
  176. // run beforeSaveFile trigger
  177. const triggerResult = await triggers.maybeRunFileTrigger(triggers.Types.beforeSave, fileObject, config, req.auth);
  178. let saveResult;
  179. // if a new ParseFile is returned check if it's an already saved file
  180. if (triggerResult instanceof _node.default.File) {
  181. fileObject.file = triggerResult;
  182. if (triggerResult.url()) {
  183. // set fileSize to null because we wont know how big it is here
  184. fileObject.fileSize = null;
  185. saveResult = {
  186. url: triggerResult.url(),
  187. name: triggerResult._name
  188. };
  189. }
  190. }
  191. // if the file returned by the trigger has already been saved skip saving anything
  192. if (!saveResult) {
  193. // if the ParseFile returned is type uri, download the file before saving it
  194. await addFileDataIfNeeded(fileObject.file);
  195. // update fileSize
  196. const bufferData = Buffer.from(fileObject.file._data, 'base64');
  197. fileObject.fileSize = Buffer.byteLength(bufferData);
  198. // prepare file options
  199. const fileOptions = {
  200. metadata: fileObject.file._metadata
  201. };
  202. // some s3-compatible providers (DigitalOcean, Linode) do not accept tags
  203. // so we do not include the tags option if it is empty.
  204. const fileTags = Object.keys(fileObject.file._tags).length > 0 ? {
  205. tags: fileObject.file._tags
  206. } : {};
  207. Object.assign(fileOptions, fileTags);
  208. // save file
  209. const createFileResult = await filesController.createFile(config, fileObject.file._name, bufferData, fileObject.file._source.type, fileOptions);
  210. // update file with new data
  211. fileObject.file._name = createFileResult.name;
  212. fileObject.file._url = createFileResult.url;
  213. fileObject.file._requestTask = null;
  214. fileObject.file._previousSave = Promise.resolve(fileObject.file);
  215. saveResult = {
  216. url: createFileResult.url,
  217. name: createFileResult.name
  218. };
  219. }
  220. // run afterSaveFile trigger
  221. await triggers.maybeRunFileTrigger(triggers.Types.afterSave, fileObject, config, req.auth);
  222. res.status(201);
  223. res.set('Location', saveResult.url);
  224. res.json(saveResult);
  225. } catch (e) {
  226. _logger.default.error('Error creating a file: ', e);
  227. const error = triggers.resolveError(e, {
  228. code: _node.default.Error.FILE_SAVE_ERROR,
  229. message: `Could not store file: ${fileObject.file._name}.`
  230. });
  231. next(error);
  232. }
  233. }
  234. async deleteHandler(req, res, next) {
  235. try {
  236. const {
  237. filesController
  238. } = req.config;
  239. const {
  240. filename
  241. } = req.params;
  242. // run beforeDeleteFile trigger
  243. const file = new _node.default.File(filename);
  244. file._url = await filesController.adapter.getFileLocation(req.config, filename);
  245. const fileObject = {
  246. file,
  247. fileSize: null
  248. };
  249. await triggers.maybeRunFileTrigger(triggers.Types.beforeDelete, fileObject, req.config, req.auth);
  250. // delete file
  251. await filesController.deleteFile(req.config, filename);
  252. // run afterDeleteFile trigger
  253. await triggers.maybeRunFileTrigger(triggers.Types.afterDelete, fileObject, req.config, req.auth);
  254. res.status(200);
  255. // TODO: return useful JSON here?
  256. res.end();
  257. } catch (e) {
  258. _logger.default.error('Error deleting a file: ', e);
  259. const error = triggers.resolveError(e, {
  260. code: _node.default.Error.FILE_DELETE_ERROR,
  261. message: 'Could not delete file.'
  262. });
  263. next(error);
  264. }
  265. }
  266. async metadataHandler(req, res) {
  267. try {
  268. const config = _Config.default.get(req.params.appId);
  269. const {
  270. filesController
  271. } = config;
  272. const {
  273. filename
  274. } = req.params;
  275. const data = await filesController.getMetadata(filename);
  276. res.status(200);
  277. res.json(data);
  278. } catch (e) {
  279. res.status(200);
  280. res.json({});
  281. }
  282. }
  283. }
  284. exports.FilesRouter = FilesRouter;
  285. function isFileStreamable(req, filesController) {
  286. const range = (req.get('Range') || '/-/').split('-');
  287. const start = Number(range[0]);
  288. const end = Number(range[1]);
  289. return (!isNaN(start) || !isNaN(end)) && typeof filesController.adapter.handleFileStream === 'function';
  290. }
  291. //# 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express from 'express';\nimport BodyParser from 'body-parser';\nimport * as Middlewares from '../middlewares';\nimport Parse from 'parse/node';\nimport Config from '../Config';\nimport mime from 'mime';\nimport logger from '../logger';\nconst triggers = require('../triggers');\nconst http = require('http');\nconst Utils = require('../Utils');\n\nconst downloadFileFromURI = uri => {\n  return new Promise((res, rej) => {\n    http\n      .get(uri, response => {\n        response.setDefaultEncoding('base64');\n        let body = `data:${response.headers['content-type']};base64,`;\n        response.on('data', data => (body += data));\n        response.on('end', () => res(body));\n      })\n      .on('error', e => {\n        rej(`Error downloading file from ${uri}: ${e.message}`);\n      });\n  });\n};\n\nconst addFileDataIfNeeded = async file => {\n  if (file._source.format === 'uri') {\n    const base64 = await downloadFileFromURI(file._source.uri);\n    file._previousSave = file;\n    file._data = base64;\n    file._requestTask = null;\n  }\n  return file;\n};\n\nexport class FilesRouter {\n  expressRouter({ maxUploadSize = '20Mb' } = {}) {\n    var router = express.Router();\n    router.get('/files/:appId/:filename', this.getHandler);\n    router.get('/files/:appId/metadata/:filename', this.metadataHandler);\n\n    router.post('/files', function (req, res, next) {\n      next(new Parse.Error(Parse.Error.INVALID_FILE_NAME, 'Filename not provided.'));\n    });\n\n    router.post(\n      '/files/:filename',\n      BodyParser.raw({\n        type: () => {\n          return true;\n        },\n        limit: maxUploadSize,\n      }), // Allow uploads without Content-Type, or with any Content-Type.\n      Middlewares.handleParseHeaders,\n      Middlewares.handleParseSession,\n      this.createHandler\n    );\n\n    router.delete(\n      '/files/:filename',\n      Middlewares.handleParseHeaders,\n      Middlewares.handleParseSession,\n      Middlewares.enforceMasterKeyAccess,\n      this.deleteHandler\n    );\n    return router;\n  }\n\n  getHandler(req, res) {\n    const config = Config.get(req.params.appId);\n    if (!config) {\n      res.status(403);\n      const err = new Parse.Error(Parse.Error.OPERATION_FORBIDDEN, 'Invalid application ID.');\n      res.json({ code: err.code, error: err.message });\n      return;\n    }\n    const filesController = config.filesController;\n    const filename = req.params.filename;\n    const contentType = mime.getType(filename);\n    if (isFileStreamable(req, filesController)) {\n      filesController.handleFileStream(config, filename, req, res, contentType).catch(() => {\n        res.status(404);\n        res.set('Content-Type', 'text/plain');\n        res.end('File not found.');\n      });\n    } else {\n      filesController\n        .getFileData(config, filename)\n        .then(data => {\n          res.status(200);\n          res.set('Content-Type', contentType);\n          res.set('Content-Length', data.length);\n          res.end(data);\n        })\n        .catch(() => {\n          res.status(404);\n          res.set('Content-Type', 'text/plain');\n          res.end('File not found.');\n        });\n    }\n  }\n\n  async createHandler(req, res, next) {\n    const config = req.config;\n    const user = req.auth.user;\n    const isMaster = req.auth.isMaster;\n    const isLinked = user && Parse.AnonymousUtils.isLinked(user);\n    if (!isMaster && !config.fileUpload.enableForAnonymousUser && isLinked) {\n      next(\n        new Parse.Error(Parse.Error.FILE_SAVE_ERROR, 'File upload by anonymous user is disabled.')\n      );\n      return;\n    }\n    if (!isMaster && !config.fileUpload.enableForAuthenticatedUser && !isLinked && user) {\n      next(\n        new Parse.Error(\n          Parse.Error.FILE_SAVE_ERROR,\n          'File upload by authenticated user is disabled.'\n        )\n      );\n      return;\n    }\n    if (!isMaster && !config.fileUpload.enableForPublic && !user) {\n      next(new Parse.Error(Parse.Error.FILE_SAVE_ERROR, 'File upload by public is disabled.'));\n      return;\n    }\n    const filesController = config.filesController;\n    const { filename } = req.params;\n    const contentType = req.get('Content-type');\n\n    if (!req.body || !req.body.length) {\n      next(new Parse.Error(Parse.Error.FILE_SAVE_ERROR, 'Invalid file upload.'));\n      return;\n    }\n\n    const error = filesController.validateFilename(filename);\n    if (error) {\n      next(error);\n      return;\n    }\n\n    const fileExtensions = config.fileUpload?.fileExtensions;\n    if (!isMaster && fileExtensions) {\n      const isValidExtension = extension => {\n        return fileExtensions.some(ext => {\n          if (ext === '*') {\n            return true;\n          }\n          const regex = new RegExp(ext);\n          if (regex.test(extension)) {\n            return true;\n          }\n        });\n      };\n      let extension = contentType;\n      if (filename && filename.includes('.')) {\n        extension = filename.substring(filename.lastIndexOf('.') + 1);\n      } else if (contentType && contentType.includes('/')) {\n        extension = contentType.split('/')[1];\n      }\n      extension = extension?.split(' ')?.join('');\n\n      if (extension && !isValidExtension(extension)) {\n        next(\n          new Parse.Error(\n            Parse.Error.FILE_SAVE_ERROR,\n            `File upload of extension ${extension} is disabled.`\n          )\n        );\n        return;\n      }\n    }\n\n    const base64 = req.body.toString('base64');\n    const file = new Parse.File(filename, { base64 }, contentType);\n    const { metadata = {}, tags = {} } = req.fileData || {};\n    try {\n      // Scan request data for denied keywords\n      Utils.checkProhibitedKeywords(config, metadata);\n      Utils.checkProhibitedKeywords(config, tags);\n    } catch (error) {\n      next(new Parse.Error(Parse.Error.INVALID_KEY_NAME, error));\n      return;\n    }\n    file.setTags(tags);\n    file.setMetadata(metadata);\n    const fileSize = Buffer.byteLength(req.body);\n    const fileObject = { file, fileSize };\n    try {\n      // run beforeSaveFile trigger\n      const triggerResult = await triggers.maybeRunFileTrigger(\n        triggers.Types.beforeSave,\n        fileObject,\n        config,\n        req.auth\n      );\n      let saveResult;\n      // if a new ParseFile is returned check if it's an already saved file\n      if (triggerResult instanceof Parse.File) {\n        fileObject.file = triggerResult;\n        if (triggerResult.url()) {\n          // set fileSize to null because we wont know how big it is here\n          fileObject.fileSize = null;\n          saveResult = {\n            url: triggerResult.url(),\n            name: triggerResult._name,\n          };\n        }\n      }\n      // if the file returned by the trigger has already been saved skip saving anything\n      if (!saveResult) {\n        // if the ParseFile returned is type uri, download the file before saving it\n        await addFileDataIfNeeded(fileObject.file);\n        // update fileSize\n        const bufferData = Buffer.from(fileObject.file._data, 'base64');\n        fileObject.fileSize = Buffer.byteLength(bufferData);\n        // prepare file options\n        const fileOptions = {\n          metadata: fileObject.file._metadata,\n        };\n        // some s3-compatible providers (DigitalOcean, Linode) do not accept tags\n        // so we do not include the tags option if it is empty.\n        const fileTags =\n          Object.keys(fileObject.file._tags).length > 0 ? { tags: fileObject.file._tags } : {};\n        Object.assign(fileOptions, fileTags);\n        // save file\n        const createFileResult = await filesController.createFile(\n          config,\n          fileObject.file._name,\n          bufferData,\n          fileObject.file._source.type,\n          fileOptions\n        );\n        // update file with new data\n        fileObject.file._name = createFileResult.name;\n        fileObject.file._url = createFileResult.url;\n        fileObject.file._requestTask = null;\n        fileObject.file._previousSave = Promise.resolve(fileObject.file);\n        saveResult = {\n          url: createFileResult.url,\n          name: createFileResult.name,\n        };\n      }\n      // run afterSaveFile trigger\n      await triggers.maybeRunFileTrigger(triggers.Types.afterSave, fileObject, config, req.auth);\n      res.status(201);\n      res.set('Location', saveResult.url);\n      res.json(saveResult);\n    } catch (e) {\n      logger.error('Error creating a file: ', e);\n      const error = triggers.resolveError(e, {\n        code: Parse.Error.FILE_SAVE_ERROR,\n        message: `Could not store file: ${fileObject.file._name}.`,\n      });\n      next(error);\n    }\n  }\n\n  async deleteHandler(req, res, next) {\n    try {\n      const { filesController } = req.config;\n      const { filename } = req.params;\n      // run beforeDeleteFile trigger\n      const file = new Parse.File(filename);\n      file._url = await filesController.adapter.getFileLocation(req.config, filename);\n      const fileObject = { file, fileSize: null };\n      await triggers.maybeRunFileTrigger(\n        triggers.Types.beforeDelete,\n        fileObject,\n        req.config,\n        req.auth\n      );\n      // delete file\n      await filesController.deleteFile(req.config, filename);\n      // run afterDeleteFile trigger\n      await triggers.maybeRunFileTrigger(\n        triggers.Types.afterDelete,\n        fileObject,\n        req.config,\n        req.auth\n      );\n      res.status(200);\n      // TODO: return useful JSON here?\n      res.end();\n    } catch (e) {\n      logger.error('Error deleting a file: ', e);\n      const error = triggers.resolveError(e, {\n        code: Parse.Error.FILE_DELETE_ERROR,\n        message: 'Could not 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