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use resolve for og metadata

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Baltazar Gomez 2021-08-05 00:41:06 -05:00 committed by infinite-persistence
parent be4c75c047
commit 6d91d1c799
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1 changed files with 80 additions and 57 deletions
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133
web/src/html.js
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@ -9,11 +9,13 @@ const {
SITE_DESCRIPTION,
SITE_NAME,
FAVICON,
LBRY_WEB_API,
} = require('../../config.js');
const { Lbry } = require('lbry-redux');
const { generateEmbedUrl, generateStreamUrl, generateDirectUrl } = require('../../ui/util/web');
const PAGES = require('../../ui/constants/pages');
const { CATEGORY_METADATA } = require('./category-metadata');
const { getClaim } = require('./chainquery');
const { parseURI } = require('lbry-redux');
const fs = require('fs');
const path = require('path');
@ -21,6 +23,9 @@ const moment = require('moment');
const removeMd = require('remove-markdown');
const { getJsBundleId } = require('../bundle-id.js');
const jsBundleId = getJsBundleId();
const SDK_API_PATH = `${LBRY_WEB_API}/api/v1`;
const PROXY_URL = `${SDK_API_PATH}/proxy`;
Lbry.setDaemonConnectionString(PROXY_URL);
function insertToHead(fullHtml, htmlToInsert) {
const beginStr = '<!-- VARIABLE_HEAD_BEGIN -->';
@ -122,20 +127,33 @@ function buildBasicOgMetadata() {
function buildClaimOgMetadata(uri, claim, overrideOptions = {}) {
// Initial setup for claim based og metadata
const { claimName } = parseURI(uri);
const claimTitle = escapeHtmlProperty(claim.title ? claim.title : claimName);
const { meta, value, signing_channel } = claim;
const fee = value && value.fee && (Number(value.fee.amount) || 0);
const tags = value && value.tags;
const media = value && (value.video || value.audio || value.image);
const source = value && value.source;
const channel = signing_channel && signing_channel.name;
const thumbnail = value && value.thumbnail && value.thumbnail.url;
const mediaType = source && source.media_type;
const mediaDuration = media && media.duration;
const creationTimestamp = meta && (meta.creation_timestamp || 0);
const claimTitle = escapeHtmlProperty((value && value.title) || claimName);
const claimDescription =
claim.description && claim.description.length > 0
? escapeHtmlProperty(truncateDescription(claim.description))
value && value.description && value.description.length > 0
? escapeHtmlProperty(truncateDescription(value.description))
: `View ${claimTitle} on ${SITE_NAME}`;
const claimLanguage = escapeHtmlProperty(claim.language) || 'en_US';
const claimLanguage =
value && value.languages && value.languages.length > 0 ? escapeHtmlProperty(value.languages[0]) : 'en_US';
let imageThumbnail;
if (Number(claim.fee) <= 0 && claim.source_media_type && claim.source_media_type.startsWith('image/')) {
if (fee <= 0 && mediaType && mediaType.startsWith('image/')) {
imageThumbnail = generateStreamUrl(claim.name, claim.claim_id);
}
const claimThumbnail =
escapeHtmlProperty(claim.thumbnail_url) || imageThumbnail || OG_IMAGE_URL || `${URL}/public/v2-og.png`;
const claimThumbnail = escapeHtmlProperty(thumbnail) || imageThumbnail || OG_IMAGE_URL || `${URL}/public/v2-og.png`;
// Allow for ovverriding default claim based og metadata
const title = overrideOptions.title || claimTitle;
@ -148,8 +166,9 @@ function buildClaimOgMetadata(uri, claim, overrideOptions = {}) {
head += '<meta charset="utf8"/>';
head += `<title>${title}</title>`;
head += `<meta name="description" content="${cleanDescription}"/>`;
if (claim.tags) {
head += `<meta name="keywords" content="${claim.tags.toString()}"/>`;
if (tags && tags.length > 0) {
head += `<meta name="keywords" content="${tags.toString()}"/>`;
}
head += `<meta name="twitter:image" content="${claimThumbnail}"/>`;
@ -165,33 +184,28 @@ function buildClaimOgMetadata(uri, claim, overrideOptions = {}) {
head += `<meta name="twitter:url" content="${URL}/${claim.name}:${claim.claim_id}"/>`;
head += `<link rel="canonical" content="${SITE_CANONICAL_URL || URL}/${claim.name}:${claim.claim_id}"/>`;
if (
claim.source_media_type &&
(claim.source_media_type.startsWith('video/') || claim.source_media_type.startsWith('audio/'))
) {
if (mediaType && (mediaType.startsWith('video/') || mediaType.startsWith('audio/'))) {
const videoUrl = generateEmbedUrl(claim.name, claim.claim_id);
head += `<meta property="og:video" content="${videoUrl}" />`;
head += `<meta property="og:video:secure_url" content="${videoUrl}" />`;
head += `<meta property="og:video:type" content="${claim.source_media_type}" />`;
if (claim.channel) {
head += `<meta name="og:video:series" content="${claim.channel}"/>`;
head += `<meta property="og:video:type" content="${mediaType}" />`;
if (channel) {
head += `<meta name="og:video:series" content="${channel}"/>`;
}
head += `<meta name="twitter:card" content="player"/>`;
head += `<meta name="twitter:player" content="${videoUrl}" />`;
if (claim.release_time) {
var release = new Date(claim.release_time * 1000).toISOString();
if (creationTimestamp) {
var release = new Date(creationTimestamp * 1000).toISOString();
head += `<meta property="og:video:release_date" content="${release}"/>`;
}
if (claim.duration) {
head += `<meta property="og:video:duration" content="${claim.duration}"/>`;
} else if (claim.audio_duration) {
head += `<meta property="og:video:duration" content="${claim.audio_duration}"/>`;
if (mediaDuration) {
head += `<meta property="og:video:duration" content="${mediaDuration}"/>`;
}
if (claim.frame_width && claim.frame_height) {
head += `<meta property="og:video:width" content="${claim.frame_width}"/>`;
head += `<meta property="og:video:height" content="${claim.frame_height}"/>`;
head += `<meta name="twitter:player:width" content="${claim.frame_width}">`;
head += `<meta name="twitter:player:height" content="${claim.frame_height}">`;
if (media && media.width && media.height) {
head += `<meta property="og:video:width" content="${media.width}"/>`;
head += `<meta property="og:video:height" content="${media.height}"/>`;
head += `<meta name="twitter:player:width" content="${media.width}">`;
head += `<meta name="twitter:player:height" content="${media.height}">`;
}
} else {
head += `<meta name="twitter:card" content="summary_large_image"/>`;
@ -200,19 +214,27 @@ function buildClaimOgMetadata(uri, claim, overrideOptions = {}) {
return head;
}
function buildGoogleVideoMetadata(claimUri, claim) {
if (!claim.source_media_type || !claim.source_media_type.startsWith('video/')) {
function buildGoogleVideoMetadata(uri, claim) {
const { claimName } = parseURI(uri);
const { meta, value } = claim;
const media = value && (value.video || value.audio || value.image);
const source = value && value.source;
const thumbnail = value && value.thumbnail && value.thumbnail.url;
const mediaType = source && source.media_type;
const mediaDuration = media && media.duration;
const creationTimestamp = meta && (meta.creation_timestamp || 0);
const claimTitle = escapeHtmlProperty((value && value.title) || claimName);
const claimDescription =
value && value.description && value.description.length > 0
? escapeHtmlProperty(truncateDescription(value.description))
: `View ${claimTitle} on ${SITE_NAME}`;
if (!mediaType || !mediaType.startsWith('video/')) {
return '';
}
const { claimName } = parseURI(claimUri);
const claimTitle = escapeHtmlProperty(claim.title ? claim.title : claimName);
const claimDescription =
claim.description && claim.description.length > 0
? escapeHtmlProperty(truncateDescription(claim.description))
: `View ${claimTitle} on ${SITE_NAME}`;
const claimThumbnail = escapeHtmlProperty(claim.thumbnail_url) || OG_IMAGE_URL || `${URL}/public/v2-og.png`;
const releaseTime = claim.release_time || 0;
const claimThumbnail = escapeHtmlProperty(thumbnail) || OG_IMAGE_URL || `${URL}/public/v2-og.png`;
// https://developers.google.com/search/docs/data-types/video
const googleVideoMetadata = {
@ -222,9 +244,9 @@ function buildGoogleVideoMetadata(claimUri, claim) {
name: `${claimTitle}`,
description: `${removeMd(claimDescription)}`,
thumbnailUrl: `${claimThumbnail}`,
uploadDate: `${new Date(releaseTime * 1000).toISOString()}`,
uploadDate: `${new Date(creationTimestamp * 1000).toISOString()}`,
// --- Recommended ---
duration: claim.duration ? moment.duration(claim.duration * 1000).toISOString() : undefined,
duration: mediaDuration ? moment.duration(mediaDuration * 1000).toISOString() : undefined,
contentUrl: generateDirectUrl(claim.name, claim.claim_id),
embedUrl: generateEmbedUrl(claim.name, claim.claim_id),
};
@ -242,24 +264,25 @@ function buildGoogleVideoMetadata(claimUri, claim) {
);
}
async function getClaimFromChainqueryOrRedirect(ctx, url, ignoreRedirect = false) {
async function resolveClaimOrRedirect(ctx, url, ignoreRedirect = false) {
let claim;
const { isChannel, streamName, channelName, channelClaimId, streamClaimId } = parseURI(url);
const claimName = isChannel ? '@' + channelName : streamName;
const claimId = isChannel ? channelClaimId : streamClaimId;
const rows = await getClaim(claimName, claimId, channelName, channelClaimId);
if (rows && rows.length) {
const claim = rows[0];
if (claim.reposted_name && claim.reposted_claim_id && !ignoreRedirect) {
ctx.redirect(`/${claim.reposted_name}:${claim.reposted_claim_id}`);
try {
const url = `lbry://${claimName}:${claimId}`;
const response = await Lbry.resolve({ urls: [url] });
if (response && response[url] && !response[url].error) {
claim = response && response[url];
if (claim.reposted_claim) {
if (claim.reposted_claim.name && claim.reposted_claim.claim_id && !ignoreRedirect) {
ctx.redirect(`/${claim.reposted_claim.name}:${claim.reposted_claim.claim_id}`);
return;
}
return claim;
}
return undefined;
}
} catch {}
return claim;
}
let html;
@ -283,7 +306,7 @@ async function getHtml(ctx) {
try {
parseURI(inviteChannelUrl);
const claim = await getClaimFromChainqueryOrRedirect(ctx, inviteChannelUrl);
const claim = await resolveClaimOrRedirect(ctx, inviteChannelUrl);
const invitePageMetadata = buildClaimOgMetadata(inviteChannelUrl, claim, {
title: `Join ${claim.name} on ${SITE_NAME}`,
description: `Join ${claim.name} on ${SITE_NAME}, a content wonderland owned by everyone (and no one).`,
@ -303,7 +326,7 @@ async function getHtml(ctx) {
if (requestPath.includes(embedPath)) {
const claimUri = requestPath.replace(embedPath, '').replace(/:/g, '#');
const claim = await getClaimFromChainqueryOrRedirect(ctx, claimUri, true);
const claim = await resolveClaimOrRedirect(ctx, claimUri, true);
if (claim) {
const ogMetadata = buildClaimOgMetadata(claimUri, claim);
@ -326,7 +349,7 @@ async function getHtml(ctx) {
if (!requestPath.includes('$')) {
const claimUri = requestPath.slice(1).replace(/:/g, '#');
const claim = await getClaimFromChainqueryOrRedirect(ctx, claimUri);
const claim = await resolveClaimOrRedirect(ctx, claimUri);
if (claim) {
const ogMetadata = buildClaimOgMetadata(claimUri, claim);