Method getOutputDirFilePath

server.js:219–252

(filepath, filename = "")

  }

  getOutputDirFilePath(filepath, filename = "") {
    let computedPath;
    if(filename === ".html") {
      // avoid trailing slash for filepath/.html requests
      let prefix = path.join(this.dir, filepath);
      if(prefix.endsWith(path.sep)) {
        prefix = prefix.substring(0, prefix.length - path.sep.length);
      }
      computedPath = prefix + filename;
    } else {
      computedPath = path.join(this.dir, filepath, filename);
    }

    computedPath = decodeURIComponent(computedPath);

    if(!filename) { // is a direct URL request (not an implicit .html or index.html add)
      let alias = this.matchPassthroughAlias(filepath);

      if(alias) {
        if(!this.isFileInDirectory(path.resolve("."), alias)) {
          throw new Error("Invalid path");
        }

        return alias;
      }
    }

    // Check that the file is in the output path (error if folks try use `..` in the filepath)
    if(!this.isFileInDirectory(this.dir, computedPath)) {
      throw new Error("Invalid path");
    }

    return computedPath;
  }

  isOutputFilePathExists(rawPath) {
    return fs.existsSync(rawPath) && !TemplatePath.isDirectorySync(rawPath);