mirror of https://github.com/calzoneman/sync.git
Calvin Montgomery
parent
331a4626a0
commit
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import { ValidationError } from './errors';
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import { URL } from 'url';
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import net from 'net';
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const SOURCE_QUALITIES = new Set([
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240,
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360,
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480,
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540,
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720,
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1080,
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1440,
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2160
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]);
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const SOURCE_CONTENT_TYPES = new Set([
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'application/x-mpegURL',
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'audio/aac',
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'audio/ogg',
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'audio/mpeg',
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'video/mp4',
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'video/ogg',
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'video/webm'
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]);
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export function validate(data) {
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if (typeof data.title !== 'string')
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throw new ValidationError('title must be a string');
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if (!data.title)
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throw new ValidationError('title must not be blank');
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if (typeof data.duration !== 'number')
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throw new ValidationError('duration must be a number');
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if (!isFinite(data.duration) || data.duration < 0)
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throw new ValidationError('duration must be a non-negative finite number');
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if (data.hasOwnProperty('live') && typeof data.live !== 'boolean')
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throw new ValidationError('live must be a boolean');
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if (data.hasOwnProperty('thumbnail')) {
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if (typeof data.thumbnail !== 'string')
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throw new ValidationError('thumbnail must be a string');
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validateURL(data.thumbnail);
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}
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validateSources(data.sources);
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validateTextTracks(data.textTracks);
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}
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function validateSources(sources) {
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if (!Array.isArray(sources))
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throw new ValidationError('sources must be a list');
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if (sources.length === 0)
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throw new ValidationError('source list must be nonempty');
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for (let source of sources) {
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if (typeof source.url !== 'string')
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throw new ValidationError('source URL must be a string');
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validateURL(source.url);
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if (!SOURCE_CONTENT_TYPES.has(source.contentType))
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throw new ValidationError(
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`unacceptable source contentType "${source.contentType}"`
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);
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if (!SOURCE_QUALITIES.has(source.quality))
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throw new ValidationError(`unacceptable source quality "${source.quality}"`);
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if (source.hasOwnProperty('bitrate')) {
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if (typeof source.bitrate !== 'number')
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throw new ValidationError('source bitrate must be a number');
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if (!isFinite(source.bitrate) || source.bitrate < 0)
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throw new ValidationError(
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'source bitrate must be a non-negative finite number'
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);
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}
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}
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}
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function validateTextTracks(textTracks) {
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if (typeof textTracks === 'undefined') {
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return;
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}
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if (!Array.isArray(textTracks))
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throw new ValidationError('textTracks must be a list');
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for (let track of textTracks) {
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if (typeof track.url !== 'string')
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throw new ValidationError('text track URL must be a string');
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validateURL(track.url);
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if (track.contentType !== 'text/vtt')
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throw new ValidationError(
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`unacceptable text track contentType "${track.contentType}"`
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);
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if (typeof track.name !== 'string')
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throw new ValidationError('text track name must be a string');
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if (!track.name)
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throw new ValidationError('text track name must be nonempty');
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}
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}
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function validateURL(urlstring) {
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let url;
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try {
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url = new URL(urlstring);
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} catch (error) {
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throw new ValidationError(`invalid URL "${urlstring}"`);
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}
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if (url.protocol !== 'https:')
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throw new ValidationError(`URL protocol must be HTTPS (invalid: "${urlstring}")`);
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if (net.isIP(url.hostname))
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throw new ValidationError(
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'URL hostname must be a domain name, not an IP address'
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+ ` (invalid: "${urlstring}")`
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);
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}
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@ -0,0 +1,206 @@
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const assert = require('assert');
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const { validate } = require('../lib/custom-media');
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describe('custom-media', () => {
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let valid, invalid;
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beforeEach(() => {
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invalid = valid = {
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title: 'Test Video',
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duration: 10,
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live: false,
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thumbnail: 'https://example.com/thumb.jpg',
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sources: [
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{
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url: 'https://example.com/video.mp4',
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contentType: 'video/mp4',
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quality: 1080,
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bitrate: 5000
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}
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],
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textTracks: [
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{
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url: 'https://example.com/subtitles.vtt',
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contentType: 'text/vtt',
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name: 'English Subtitles'
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}
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]
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};
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});
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describe('#validate', () => {
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it('accepts valid metadata', () => {
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validate(valid);
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});
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it('accepts valid metadata with no optional params', () => {
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delete valid.live;
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delete valid.thumbnail;
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delete valid.textTracks;
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delete valid.sources[0].bitrate;
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validate(valid);
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});
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it('rejects missing title', () => {
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delete invalid.title;
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assert.throws(() => validate(invalid), /title must be a string/);
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});
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it('rejects blank title', () => {
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invalid.title = '';
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assert.throws(() => validate(invalid), /title must not be blank/);
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});
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it('rejects non-numeric duration', () => {
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invalid.duration = 'twenty four seconds';
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assert.throws(() => validate(invalid), /duration must be a number/);
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});
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it('rejects non-finite duration', () => {
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invalid.duration = NaN;
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assert.throws(() => validate(invalid), /duration must be a non-negative finite number/);
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});
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it('rejects negative duration', () => {
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invalid.duration = -1;
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assert.throws(() => validate(invalid), /duration must be a non-negative finite number/);
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});
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it('rejects non-boolean live', () => {
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invalid.live = 'false';
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assert.throws(() => validate(invalid), /live must be a boolean/);
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});
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it('rejects non-string thumbnail', () => {
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invalid.thumbnail = 1234;
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assert.throws(() => validate(invalid), /thumbnail must be a string/);
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});
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it('rejects invalid thumbnail URL', () => {
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invalid.thumbnail = 'http://example.com/thumb.jpg';
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assert.throws(() => validate(invalid), /URL protocol must be HTTPS/);
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});
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});
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describe('#validateSources', () => {
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it('rejects non-array sources', () => {
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invalid.sources = { a: 'b' };
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assert.throws(() => validate(invalid), /sources must be a list/);
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});
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it('rejects empty source list', () => {
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invalid.sources = [];
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assert.throws(() => validate(invalid), /source list must be nonempty/);
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});
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it('rejects non-string source url', () => {
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invalid.sources[0].url = 1234;
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assert.throws(() => validate(invalid), /source URL must be a string/);
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});
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it('rejects invalid source URL', () => {
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invalid.sources[0].url = 'http://example.com/thumb.jpg';
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assert.throws(() => validate(invalid), /URL protocol must be HTTPS/);
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});
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it('rejects unacceptable source contentType', () => {
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invalid.sources[0].contentType = 'rtmp/flv';
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assert.throws(() => validate(invalid), /unacceptable source contentType/);
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});
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it('rejects unacceptable source quality', () => {
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invalid.sources[0].quality = 144;
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assert.throws(() => validate(invalid), /unacceptable source quality/);
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});
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it('rejects non-numeric source bitrate', () => {
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invalid.sources[0].bitrate = '1000kbps'
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assert.throws(() => validate(invalid), /source bitrate must be a number/);
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});
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it('rejects non-finite source bitrate', () => {
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invalid.sources[0].bitrate = Infinity;
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assert.throws(() => validate(invalid), /source bitrate must be a non-negative finite number/);
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});
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it('rejects negative source bitrate', () => {
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invalid.sources[0].bitrate = -1000;
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assert.throws(() => validate(invalid), /source bitrate must be a non-negative finite number/);
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});
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});
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describe('#validateTextTracks', () => {
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it('rejects non-array text track list', () => {
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invalid.textTracks = { a: 'b' };
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assert.throws(() => validate(invalid), /textTracks must be a list/);
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});
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it('rejects non-string track url', () => {
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invalid.textTracks[0].url = 1234;
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assert.throws(() => validate(invalid), /text track URL must be a string/);
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});
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it('rejects invalid track URL', () => {
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invalid.textTracks[0].url = 'http://example.com/thumb.jpg';
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assert.throws(() => validate(invalid), /URL protocol must be HTTPS/);
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});
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it('rejects unacceptable track contentType', () => {
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invalid.textTracks[0].contentType = 'text/plain';
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assert.throws(() => validate(invalid), /unacceptable text track contentType/);
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});
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it('rejects non-string track name', () => {
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invalid.textTracks[0].name = 1234;
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assert.throws(() => validate(invalid), /text track name must be a string/);
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});
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it('rejects blank track name', () => {
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invalid.textTracks[0].name = '';
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assert.throws(() => validate(invalid), /text track name must be nonempty/);
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});
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});
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describe('#validateURL', () => {
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it('rejects non-URLs', () => {
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invalid.sources[0].url = 'not a url';
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assert.throws(() => validate(invalid), /invalid URL/);
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});
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it('rejects non-https', () => {
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invalid.sources[0].url = 'http://example.com/thumb.jpg';
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assert.throws(() => validate(invalid), /URL protocol must be HTTPS/);
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});
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it('rejects IP addresses', () => {
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invalid.sources[0].url = 'https://0.0.0.0/thumb.jpg';
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assert.throws(() => validate(invalid), /URL hostname must be a domain name/);
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});
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});
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});
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