const logger = require('winston'); const config = require('config'); const fs = require('fs'); const db = require('../models'); const { getWalletList } = require('./lbryApi.js'); module.exports = { validateFile (file, name, license, nsfw) { if (!file) { throw new Error('No file was submitted or the key used was incorrect. Files posted through this route must use a key of "speech" or null'); } // check file type and size switch (file.type) { case 'image/jpeg': case 'image/png': case 'image/gif': if (file.size > 50000000) { throw new Error('Your image exceeds the 50 megabyte limit.'); } break; case 'video/mp4': if (file.size > 50000000) { throw new Error('Your video exceeds the 50 megabyte limit.'); } break; default: throw new Error('The ' + file.Type + ' content type is not supported. Only, .jpeg, .png, .gif, and .mp4 files are currently supported.'); } // validate claim name const invalidCharacters = /[^A-Za-z0-9,-]/.exec(name); if (invalidCharacters) { throw new Error('The claim name you provided is not allowed. Only the following characters are allowed: A-Z, a-z, 0-9, and "-"'); } // validate license if ((license.indexOf('Public Domain') === -1) && (license.indexOf('Creative Commons') === -1) && (license.indecOf('CC Attribution-NonCommercial 4.0 International') === -1)) { throw new Error('Only posts with a "Public Domain" license, or one of the Creative Commons licenses are eligible for publishing through spee.ch'); } switch (nsfw) { case true: case false: case 'true': case 'false': case 'on': case 'off': case 0: case '0': case 1: case '1': break; default: throw new Error('NSFW value was not accepted. NSFW must be set to either true, false, "on", or "off"'); } }, createPublishParams (name, filePath, title, description, license, nsfw) { logger.debug(`Creating Publish Parameters for "${name}"`); const claimAddress = config.get('WalletConfig.LbryClaimAddress'); // filter nsfw and ensure it is a boolean if (nsfw === false) { nsfw = false; } else if (nsfw.toLowerCase === 'false') { nsfw = false; } else if (nsfw.toLowerCase === 'off') { nsfw = false; } else if (nsfw === 0) { nsfw = false; } else if (nsfw === '0') { nsfw = false; } else { nsfw = true; } // provide defaults for title & description if (title === '' || title === null) { title = name; } if (description === '' || title === null) { description = `${name} published via spee.ch`; } // create the publish params const publishParams = { name, file_path: filePath, bid : 0.01, metadata : { description, title, author : 'spee.ch', language: 'en', license, nsfw, }, claim_address: claimAddress, // change_address: changeAddress, }; logger.debug('publishParams:', publishParams); return publishParams; }, deleteTemporaryFile (filePath) { fs.unlink(filePath, err => { if (err) throw err; logger.debug(`successfully deleted ${filePath}`); }); }, checkNameAvailability (name) { return new Promise((resolve, reject) => { // find any records where the name is used db.File.findAll({ where: { name } }) .then(result => { if (result.length >= 1) { // filter out any results that were not published from a spee.ch wallet address getWalletList() .then((walletList) => { const filteredResult = result.filter((claim) => { return walletList.includes(claim.address); }); if (filteredResult.length >= 1) { resolve(false); } else { resolve(true); } }) .catch((error) => { reject(error); }); } else { resolve(true); } }) .catch(error => { reject(error); }); }); }, };