first commit

app_vue/node_modules/webpack-dev-middleware/dist/utils/getFilenameFromUrl.js

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+"use strict";
+
+const path = require("path");
+
+const {
+  parse
+} = require("url");
+
+const querystring = require("querystring");
+
+const getPaths = require("./getPaths");
+/** @typedef {import("../index.js").IncomingMessage} IncomingMessage */
+
+/** @typedef {import("../index.js").ServerResponse} ServerResponse */
+
+
+const cacheStore = new WeakMap();
+/**
+ * @template T
+ * @param {Function} fn
+ * @param {{ cache?: Map<string, { data: T }> } | undefined} cache
+ * @param {(value: T) => T} callback
+ * @returns {any}
+ */
+// @ts-ignore
+
+const mem = (fn, {
+  cache = new Map()
+} = {}, callback) => {
+  /**
+   * @param {any} arguments_
+   * @return {any}
+   */
+  const memoized = (...arguments_) => {
+    const [key] = arguments_;
+    const cacheItem = cache.get(key);
+
+    if (cacheItem) {
+      return cacheItem.data;
+    }
+
+    let result = fn.apply(void 0, arguments_);
+    result = callback(result);
+    cache.set(key, {
+      data: result
+    });
+    return result;
+  };
+
+  cacheStore.set(memoized, cache);
+  return memoized;
+}; // eslint-disable-next-line no-undefined
+
+
+const memoizedParse = mem(parse, undefined, value => {
+  if (value.pathname) {
+    // eslint-disable-next-line no-param-reassign
+    value.pathname = decode(value.pathname);
+  }
+
+  return value;
+});
+const UP_PATH_REGEXP = /(?:^|[\\/])\.\.(?:[\\/]|$)/;
+/**
+ * @typedef {Object} Extra
+ * @property {import("fs").Stats=} stats
+ * @property {number=} errorCode
+ */
+
+/**
+ * decodeURIComponent.
+ *
+ * Allows V8 to only deoptimize this fn instead of all of send().
+ *
+ * @param {string} input
+ * @returns {string}
+ */
+
+function decode(input) {
+  return querystring.unescape(input);
+}
+/**
+ * @template {IncomingMessage} Request
+ * @template {ServerResponse} Response
+ * @param {import("../index.js").Context<Request, Response>} context
+ * @param {string} url
+ * @param {Extra=} extra
+ * @returns {string | undefined}
+ */
+
+
+function getFilenameFromUrl(context, url, extra = {}) {
+  const {
+    options
+  } = context;
+  const paths = getPaths(context);
+  /** @type {string | undefined} */
+
+  let foundFilename;
+  /** @type {URL} */
+
+  let urlObject;
+
+  try {
+    // The `url` property of the `request` is contains only  `pathname`, `search` and `hash`
+    urlObject = memoizedParse(url, false, true);
+  } catch (_ignoreError) {
+    return;
+  }
+
+  for (const {
+    publicPath,
+    outputPath
+  } of paths) {
+    /** @type {string | undefined} */
+    let filename;
+    /** @type {URL} */
+
+    let publicPathObject;
+
+    try {
+      publicPathObject = memoizedParse(publicPath !== "auto" && publicPath ? publicPath : "/", false, true);
+    } catch (_ignoreError) {
+      // eslint-disable-next-line no-continue
+      continue;
+    }
+
+    const {
+      pathname
+    } = urlObject;
+    const {
+      pathname: publicPathPathname
+    } = publicPathObject;
+
+    if (pathname && pathname.startsWith(publicPathPathname)) {
+      // Null byte(s)
+      if (pathname.includes("\0")) {
+        // eslint-disable-next-line no-param-reassign
+        extra.errorCode = 400;
+        return;
+      } // ".." is malicious
+
+
+      if (UP_PATH_REGEXP.test(path.normalize(`./${pathname}`))) {
+        // eslint-disable-next-line no-param-reassign
+        extra.errorCode = 403;
+        return;
+      } // Strip the `pathname` property from the `publicPath` option from the start of requested url
+      // `/complex/foo.js` => `foo.js`
+      // and add outputPath
+      // `foo.js` => `/home/user/my-project/dist/foo.js`
+
+
+      filename = path.join(outputPath, pathname.slice(publicPathPathname.length));
+
+      try {
+        // eslint-disable-next-line no-param-reassign
+        extra.stats =
+        /** @type {import("fs").statSync} */
+        context.outputFileSystem.statSync(filename);
+      } catch (_ignoreError) {
+        // eslint-disable-next-line no-continue
+        continue;
+      }
+
+      if (extra.stats.isFile()) {
+        foundFilename = filename;
+        break;
+      } else if (extra.stats.isDirectory() && (typeof options.index === "undefined" || options.index)) {
+        const indexValue = typeof options.index === "undefined" || typeof options.index === "boolean" ? "index.html" : options.index;
+        filename = path.join(filename, indexValue);
+
+        try {
+          // eslint-disable-next-line no-param-reassign
+          extra.stats =
+          /** @type {import("fs").statSync} */
+          context.outputFileSystem.statSync(filename);
+        } catch (__ignoreError) {
+          // eslint-disable-next-line no-continue
+          continue;
+        }
+
+        if (extra.stats.isFile()) {
+          foundFilename = filename;
+          break;
+        }
+      }
+    }
+  } // eslint-disable-next-line consistent-return
+
+
+  return foundFilename;
+}
+
+module.exports = getFilenameFromUrl;