/
channels.php
435 lines (384 loc) · 19.8 KB
/
channels.php
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<?php
// StackOverflow source: https://stackoverflow.com/a/71067222
$channelsTests = [['forUsername=FolkartTr', 'items/0/id', 'UCnS--2e1yzQCm5r4ClrMJBg']];
include_once 'common.php';
$realOptions = ['status', 'upcomingEvents', 'shorts', 'community', 'channels', 'about', 'approval', 'playlists'];
// really necessary ?
foreach ($realOptions as $realOption) {
$options[$realOption] = false;
}
// Forbidding URL with no `part` and using `id` filter is debatable.
if (isset($_GET['forUsername']) || isset($_GET['id']) || isset($_GET['handle'])) {
if(isset($_GET['part'])) {
$part = $_GET['part'];
$parts = explode(',', $part, count($realOptions));
foreach ($parts as $part) {
if (!in_array($part, $realOptions)) {
die("invalid part $part");
} else {
$options[$part] = true;
}
}
}
$id = '';
if (isset($_GET['forUsername'])) {
$forUsername = $_GET['forUsername'];
if (!isUsername($forUsername)) { // what's minimal length ?
die('invalid forUsername');
}
$result = getJSONFromHTML("https://www.youtube.com/c/$forUsername/about");
$id = $result['header']['c4TabbedHeaderRenderer']['channelId'];
} else if (isset($_GET['id'])) {
$id = $_GET['id'];
if (!isChannelId($id)) {
die('invalid id'); // could directly die within the function
}
} else { // if (isset($_GET['handle']))
$handle = $_GET['handle'];
if (!isHandle($handle)) {
die('invalid handle');
}
$result = getJSONFromHTML("https://www.youtube.com/@$handle");
$id = $result['responseContext']['serviceTrackingParams'][0]['params'][6]['value'];
}
$continuationToken = '';
if (isset($_GET['pageToken'])) {
$continuationToken = $_GET['pageToken'];
if (($options['shorts'] && !isContinuationTokenAndVisitorData($continuationToken)) || (!$options['shorts'] && !isContinuationToken($continuationToken))) {
die('invalid pageToken');
}
}
echo getAPI($id, $continuationToken);
}
function getItem($id, $continuationToken)
{
global $options;
$item = [
'kind' => 'youtube#channel',
'etag' => 'NotImplemented',
'id' => $id
];
$continuationTokenProvided = $continuationToken != '';
if ($options['status']) {
$http = [
'header' => [
'Accept-Language: en',
]
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id", $httpOptions);
$status = $result['alerts'][0]['alertRenderer']['text']['simpleText'];
$item['status'] = $status;
}
if ($options['upcomingEvents']) {
$upcomingEvents = [];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id");
$subItems = $result['contents']['twoColumnBrowseResultsRenderer']['tabs'][0]['tabRenderer']['content']['sectionListRenderer']['contents'][0]['itemSectionRenderer']['contents'][0]['shelfRenderer']['content']['horizontalListRenderer']['items'];
foreach ($subItems as $subItem) {
$subItem = $subItem['gridVideoRenderer'];
if (array_key_exists('upcomingEventData', $subItem)) {
foreach (['navigationEndpoint', 'menu', 'trackingParams', 'thumbnailOverlays'] as $toRemove) {
unset($subItem[$toRemove]);
}
array_push($upcomingEvents, $subItem);
}
}
$item['upcomingEvents'] = $upcomingEvents;
}
if ($options['shorts']) {
if (!$continuationTokenProvided) {
$http = [
'header' => [
'Accept-Language: en',
]
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id/shorts", $httpOptions);
$visitorData = $result['responseContext']['webResponseContextExtensionData']['ytConfigData']['visitorData'];
} else {
$continuationParts = explode(',', $continuationToken);
$continuationToken = $continuationParts[0];
$visitorData = $continuationParts[1];
$rawData = '{"context":{"client":{"clientName":"WEB","clientVersion":"' . MUSIC_VERSION . '"}},"continuation":"' . $continuationToken . '"}';
$http = [
'header' => [
'Content-Type: application/json',
"X-Goog-EOM-Visitor-Id: $visitorData"
],
'method' => 'POST',
'content' => $rawData
];
$httpOptions = [
'http' => $http
];
$result = getJSON('https://www.youtube.com/youtubei/v1/browse?key=' . UI_KEY, $httpOptions);
}
$shorts = [];
if (!$continuationTokenProvided) {
$tabs = $result['contents']['twoColumnBrowseResultsRenderer']['tabs'];
$path = 'tabRenderer/content/richGridRenderer/contents';
foreach (array_slice($tabs, 1, 2) as $tab) {
if (doesPathExist($tab, $path)) {
$reelShelfRendererItems = getValue($tab, $path);
}
}
}
else {
$reelShelfRendererItems = $result['onResponseReceivedActions'][0]['appendContinuationItemsAction']['continuationItems'];
}
foreach($reelShelfRendererItems as $reelShelfRendererItem) {
if(!array_key_exists('richItemRenderer', $reelShelfRendererItem))
continue;
$reelShelfRendererItem = $reelShelfRendererItem['richItemRenderer']['content'];
$reelItemRenderer = $reelShelfRendererItem['reelItemRenderer'];
$viewCount = getIntValue($reelItemRenderer['viewCountText']['simpleText'], 'view');
$short = [
'videoId' => $reelItemRenderer['videoId'],
'title' => $reelItemRenderer['headline']['simpleText'],
'thumbnails' => $reelItemRenderer['thumbnail']['thumbnails'],
'viewCount' => $viewCount,
];
array_push($shorts, $short);
}
$item['shorts'] = $shorts;
if($reelShelfRendererItems != null && count($reelShelfRendererItems) > 48)
$item['nextPageToken'] = urldecode($reelShelfRendererItems[48]['continuationItemRenderer']['continuationEndpoint']['continuationCommand']['token'] . ",$visitorData");
}
if ($options['community']) {
if (!$continuationTokenProvided) {
$http = [
'header' => ['Accept-Language: en']
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id/community", $httpOptions);
} else {
$rawData = '{"context":{"client":{"clientName":"WEB","clientVersion":"' . MUSIC_VERSION . '"}},"continuation":"' . $continuationToken . '"}';
$http = [
'header' => ['Content-Type: application/json'],
'method' => 'POST',
'content' => $rawData
];
$httpOptions = [
'http' => $http
];
$result = getJSON('https://www.youtube.com/youtubei/v1/browse?key=' . UI_KEY, $httpOptions);
}
$community = [];
$contents = null;
if (!$continuationTokenProvided) {
$tabs = $result['contents']['twoColumnBrowseResultsRenderer']['tabs'];
$path = 'tabRenderer/content/sectionListRenderer/contents/0/itemSectionRenderer/contents';
foreach (array_slice($tabs, 2, 4) as $tab) {
if (doesPathExist($tab, $path)) {
$contents = getValue($tab, $path);
}
}
} else {
$contents = $result['onResponseReceivedEndpoints'][0]['appendContinuationItemsAction']['continuationItems'];
}
foreach ($contents as $content) {
if (!array_key_exists('backstagePostThreadRenderer', $content)) {
continue;
}
$post = getCommunityPostFromContent($content);
array_push($community, $post);
}
$item['community'] = $community;
if ($contents !== null) {
$item['nextPageToken'] = urldecode(end($contents)['continuationItemRenderer']['continuationEndpoint']['continuationCommand']['token']);
}
}
if ($options['channels']) {
$http = [
'header' => ['Accept-Language: en']
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id/channels", $httpOptions);
$sectionListRenderer = array_slice($result['contents']['twoColumnBrowseResultsRenderer']['tabs'], -3)[0]['tabRenderer']['content']['sectionListRenderer'];
$channels = [];
$channelsItems = $sectionListRenderer['contents'][0]['itemSectionRenderer']['contents'][0]['gridRenderer']['items'];
foreach($channelsItems as $channelItem) {
$gridChannelRenderer = $channelItem['gridChannelRenderer'];
$thumbnails = [];
foreach($gridChannelRenderer['thumbnail']['thumbnails'] as $thumbnail) {
$thumbnail['url'] = 'https://' . substr($thumbnail['url'], 2);
array_push($thumbnails, $thumbnail);
}
$subscriberCount = getIntValue($gridChannelRenderer['subscriberCountText']['simpleText'], 'subscriber');
// Have observed the singular case for the channel: https://www.youtube.com/channel/UCbOoDorgVGd-4vZdIrU4C1A
$channel = [
'channelId' => $gridChannelRenderer['channelId'],
'title' => $gridChannelRenderer['title']['simpleText'],
'thumbnails' => $thumbnails,
'videoCount' => intval(str_replace(',', '', $gridChannelRenderer['videoCountText']['runs'][0]['text'])),
'subscriberCount' => $subscriberCount
];
array_push($channels, $channel);
}
$channels = [
'paratext' => $sectionListRenderer['subMenu']['channelSubMenuRenderer']['contentTypeSubMenuItems'][0]['title'],
'channels' => $channels
];
$item['channels'] = $channels;
}
if ($options['about']) {
$http = [
'header' => ['Accept-Language: en']
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id/about", $httpOptions);
$resultCommon = array_slice($result['contents']['twoColumnBrowseResultsRenderer']['tabs'], -2)[0]['tabRenderer']['content']['sectionListRenderer']['contents'][0]['itemSectionRenderer']['contents'][0]['channelAboutFullMetadataRenderer'];
$stats = [];
$stats['joinedDate'] = strtotime($resultCommon['joinedDateText']['runs'][1]['text']);
$viewCount = $resultCommon['viewCountText']['simpleText'];
// Could try to find a YouTube channel with a single view to make sure it displays "view" and not "views".
$viewCount = str_replace(' view', '', str_replace(' views', '', str_replace(',', '', $viewCount)));
$stats['viewCount'] = intval($viewCount);
$about['stats'] = $stats;
$description = $resultCommon['description']['simpleText'];
$title = $resultCommon['title']['simpleText'];
$about['description'] = $description;
$about['title'] = $title;
$details = [];
$details['location'] = $resultCommon['country']['simpleText'];
$about['details'] = $details;
$linksObjects = $resultCommon['primaryLinks'];
$links = [];
foreach ($linksObjects as $linkObject) {
$link = [];
$urlComponents = parse_url($linkObject['navigationEndpoint']['urlEndpoint']['url']);
parse_str($urlComponents['query'], $params);
$link['url'] = $params['q'];
$link['thumbnail'] = $linkObject['icon']['thumbnails'][0]['url'];
$link['title'] = $linkObject['title']['simpleText'];
array_push($links, $link);
}
$about['links'] = $links;
$item['about'] = $about;
}
if ($options['approval']) {
$http = [
'header' => ['Accept-Language: en']
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id", $httpOptions);
$badgeTooltipPath = 'header/c4TabbedHeaderRenderer/badges/0/metadataBadgeRenderer/tooltip';
$item['approval'] = doesPathExist($result, $badgeTooltipPath) ? getValue($result, $badgeTooltipPath) : '';
}
if ($options['playlists']) {
if (!$continuationTokenProvided) {
$http = [
'header' => [
'Accept-Language: en',
]
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id/playlists", $httpOptions);
$tabs = $result['contents']['twoColumnBrowseResultsRenderer']['tabs'];
$path = 'tabRenderer/content/sectionListRenderer/contents';
foreach (array_slice($tabs, 1, 3) as $tab) {
if (doesPathExist($tab, $path)) {
$content = end(getValue($tab, $path))['itemSectionRenderer']['contents'][0];
if (array_key_exists('shelfRenderer', $content)) {
$content = $content['shelfRenderer']['content'];
$content = array_key_exists('horizontalListRenderer', $content) ? $content['horizontalListRenderer'] : $content['expandedShelfContentsRenderer'];
} else {
$content = $content['gridRenderer'];
}
$items = $content['items'];
}
}
} else {
$rawData = '{"context":{"client":{"clientName":"WEB","clientVersion":"' . MUSIC_VERSION . '"}},"continuation":"' . $continuationToken . '"}';
$http = [
'header' => [
'Content-Type: application/json'
],
'method' => 'POST',
'content' => $rawData
];
$httpOptions = [
'http' => $http
];
$result = getJSON('https://www.youtube.com/youtubei/v1/browse?key=' . UI_KEY, $httpOptions);
$items = $result['onResponseReceivedActions'][0]['appendContinuationItemsAction']['continuationItems'];
}
function getVideoFromItsThumbnails($videoThumbnails) {
$videoThumbnails = $videoThumbnails['thumbnails'];
$videoThumbnails[0]['url'] = explode('?', $videoThumbnails[0]['url'])[0];
$videoId = substr($videoThumbnails[0]['url'], 23, 11);
return [
'id' => $videoId,
'thumbnails' => $videoThumbnails
];
}
// Note that empty playlists aren't listed at all.
$savedPlaylists = [];
// Note that if there is a `Created playlist`, then there isn't any pagination mechanism on YouTube UI.
$MAXIMAL_ITEMS_COUNT = 30;
if (count($items) > $MAXIMAL_ITEMS_COUNT) {
$nextPageToken = end($items)['continuationItemRenderer']['continuationEndpoint']['continuationCommand']['token'];
$items = array_slice($items, 0, $MAXIMAL_ITEMS_COUNT);
}
foreach($items as $savedPlaylistItem) {
$playlistRenderer = array_key_exists('gridPlaylistRenderer', $savedPlaylistItem) ? $savedPlaylistItem['gridPlaylistRenderer'] : $savedPlaylistItem['playlistRenderer'];
$shortBylineRun = $playlistRenderer['shortBylineText']['runs'][0];
$shortBylineNavigationEndpoint = $shortBylineRun['navigationEndpoint'];
$thumbnailVideo = getVideoFromItsThumbnails($playlistRenderer['thumbnailRenderer']['playlistVideoThumbnailRenderer']['thumbnail']);
$firstVideos = array_key_exists('thumbnail', $playlistRenderer) ? [getVideoFromItsThumbnails($playlistRenderer['thumbnail'])] : array_map(fn($videoThumbnails) => getVideoFromItsThumbnails($videoThumbnails), $playlistRenderer['thumbnails']);
$sidebarThumbnails = $playlistRenderer['sidebarThumbnails'];
$secondToFourthVideo = $sidebarThumbnails !== null ? array_map(fn($videoThumbnails) => getVideoFromItsThumbnails($videoThumbnails), $sidebarThumbnails) : [];
$firstVideos = array_merge($firstVideos, $secondToFourthVideo);
$title = $playlistRenderer['title'];
$savedPlaylist = [
'id' => $playlistRenderer['playlistId'],
'thumbnailVideo' => $thumbnailVideo,
'firstVideos' => $firstVideos,
'title' => array_key_exists('runs', $title) ? $title['runs'][0]['text'] : $title['simpleText'],
'videoCount' => intval($playlistRenderer['videoCountText']['runs'][0]['text']),
'authorChannelName' => $shortBylineRun['text'],
'authorChannelHandle' => substr($shortBylineNavigationEndpoint['commandMetadata']['webCommandMetadata']['url'], 2),
'authorChannelId' => $shortBylineNavigationEndpoint['browseEndpoint']['browseId'],
'authorChannelApproval' => $playlistRenderer['ownerBadges'][0]['metadataBadgeRenderer']['tooltip'],
// Does it always start with `Updated `?
'publishedTimeText' => $playlistRenderer['publishedTimeText']['simpleText']
];
array_push($savedPlaylists, $savedPlaylist);
}
$playlists = [
'createdPlaylists' => null,
'savedPlaylists' => [
'savedPlaylists' => $savedPlaylists,
'nextPageToken' => $nextPageToken
]
];
$item['playlists'] = $playlists;
}
return $item;
}
function getAPI($id, $continuationToken)
{
$items = [];
array_push($items, getItem($id, $continuationToken));
$answer = [
'kind' => 'youtube#channelListResponse',
'etag' => 'NotImplemented',
'items' => $items
];
// should add in some way the pageInfo ?
return json_encode($answer, JSON_PRETTY_PRINT);
}