spee.ch/server/routes/asset/serveAssetByIdentifierAndClaim.js

const { sendGAServeEvent } = require('helpers/googleAnalytics');
const { determineResponseType, flipClaimNameAndIdForBackwardsCompatibility, logRequestData, getClaimIdAndServeAsset } = require('helpers/serveHelpers.js');
const lbryUri = require('helpers/lbryUri.js');
const handleShowRender = require('helpers/handleShowRender.jsx');

const SERVE = 'SERVE';

/*

  route to serve an asset or the react app via the claim name and an identifier

*/

const identifierClaim = () => {
  return (req, res) => {
    const { headers, ip, originalUrl, params } = req;
    // decide if this is a show request
    let hasFileExtension;
    try {
      ({ hasFileExtension } = lbryUri.parseModifier(params.claim));
    } catch (error) {
      return res.status(400).json({success: false, message: error.message});
    }
    let responseType = determineResponseType(hasFileExtension, headers);
    if (responseType !== SERVE) {
      return handleShowRender(req, res);
    }
    // handle serve request
    // send google analytics
    sendGAServeEvent(headers, ip, originalUrl);
    // parse the claim
    let claimName;
    try {
      ({ claimName } = lbryUri.parseClaim(params.claim));
    } catch (error) {
      return res.status(400).json({success: false, message: error.message});
    }
    // parse the identifier
    let isChannel, channelName, channelClaimId, claimId;
    try {
      ({ isChannel, channelName, channelClaimId, claimId } = lbryUri.parseIdentifier(params.identifier));
    } catch (error) {
      return res.status(400).json({success: false, message: error.message});
    }
    if (!isChannel) {
      [claimId, claimName] = flipClaimNameAndIdForBackwardsCompatibility(claimId, claimName);
    }
    // log the request data for debugging
    logRequestData(responseType, claimName, channelName, claimId);
    // get the claim Id and then serve the asset
    getClaimIdAndServeAsset(channelName, channelClaimId, claimName, claimId, originalUrl, ip, res);
  };
};

module.exports = identifierClaim;