cloudinary/lib/preloaded_file.js

var PRELOADED_CLOUDINARY_PATH, PreloadedFile, config, utils;

utils = require("./utils");

config = require("./config");

PRELOADED_CLOUDINARY_PATH = /^([^\/]+)\/([^\/]+)\/v(\d+)\/([^#]+)#([^\/]+)$/;

PreloadedFile = class PreloadedFile {
  constructor(file_info) {
    var matches, public_id_and_format;
    matches = file_info.match(PRELOADED_CLOUDINARY_PATH);
    if (!matches) {
      throw "Invalid preloaded file info";
    }
    this.resource_type = matches[1];
    this.type = matches[2];
    this.version = matches[3];
    this.filename = matches[4];
    this.signature = matches[5];
    public_id_and_format = this.split_format(this.filename);
    this.public_id = public_id_and_format[0];
    this.format = public_id_and_format[1];
  }

  is_valid() {
    var expected_signature, public_id;
    public_id = this.resource_type === "raw" ? this.filename : this.public_id;
    expected_signature = utils.api_sign_request({
      public_id: this.public_id,
      version: this.version
    }, config().api_secret);
    return this.signature === expected_signature;
  }

  split_format(identifier) {
    var format, last_dot, public_id;
    last_dot = identifier.lastIndexOf(".");
    if (last_dot === -1) {
      return [identifier, null];
    }
    public_id = identifier.substr(0, last_dot);
    format = identifier.substr(last_dot + 1);
    return [public_id, format];
  }

  identifier() {
    return "v" + this.version + "/" + this.filename;
  }

  toString() {
    return this.resource_type + "/" + this.type + "/v" + this.version + "/" + this.filename + "#" + this.signature;
  }

  toJSON() {
    var key, ref, result, val;
    result = {};
    ref = this;
    for (key in ref) {
      val = ref[key];
      if (typeof val !== 'function') {
        result[key] = val;
      }
    }
    return result;
  }

};

module.exports = PreloadedFile;