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This fixes a future problem when code is placed under a namespace because `get_class($bridge)` will then return e.g. `RssBridge\Bridge\TwitterBridge` instead of the the current value `TwitterBridge`.

Also a bit refactoring of `Configuration.php`.
18 contributors

Users who have contributed to this file

@pmaziere @teromene @em92 @dvikan @lorenzos @jtojnar @corenting @vitkabele @shutosg @RawkBob @web-flow @LogMANOriginal
<?php
class InstagramBridge extends BridgeAbstract
{
// const MAINTAINER = 'pauder';
const NAME = 'Instagram Bridge';
const URI = 'https://www.instagram.com/';
const DESCRIPTION = 'Returns the newest images';
const CONFIGURATION = [
'session_id' => [
'required' => false,
],
'cache_timeout' => [
'required' => false,
],
'ds_user_id' => [
'required' => false,
],
];
const PARAMETERS = [
'Username' => [
'u' => [
'name' => 'username',
'exampleValue' => 'aesoprockwins',
'required' => true
]
],
'Hashtag' => [
'h' => [
'name' => 'hashtag',
'exampleValue' => 'beautifulday',
'required' => true
]
],
'Location' => [
'l' => [
'name' => 'location',
'exampleValue' => 'london',
'required' => true
]
],
'global' => [
'media_type' => [
'name' => 'Media type',
'type' => 'list',
'required' => false,
'values' => [
'All' => 'all',
'Video' => 'video',
'Picture' => 'picture',
'Multiple' => 'multiple',
],
'defaultValue' => 'all'
],
'direct_links' => [
'name' => 'Use direct media links',
'type' => 'checkbox',
]
]
];
const TEST_DETECT_PARAMETERS = [
'https://www.instagram.com/metaverse' => ['u' => 'metaverse'],
'https://instagram.com/metaverse' => ['u' => 'metaverse'],
'http://www.instagram.com/metaverse' => ['u' => 'metaverse'],
];
const USER_QUERY_HASH = '58b6785bea111c67129decbe6a448951';
const TAG_QUERY_HASH = '9b498c08113f1e09617a1703c22b2f32';
const SHORTCODE_QUERY_HASH = '865589822932d1b43dfe312121dd353a';
public function getCacheTimeout()
{
$customTimeout = $this->getOption('cache_timeout');
if ($customTimeout) {
return $customTimeout;
}
return parent::getCacheTimeout();
}
protected function getContents($uri)
{
$headers = [];
$sessionId = $this->getOption('session_id');
$dsUserId = $this->getOption('ds_user_id');
if ($sessionId and $dsUserId) {
$headers[] = 'cookie: sessionid=' . $sessionId . '; ds_user_id=' . $dsUserId;
}
return getContents($uri, $headers);
}
protected function getInstagramUserId($username)
{
if (is_numeric($username)) {
return $username;
}
$cacheFactory = new CacheFactory();
$cache = $cacheFactory->create();
$cache->setScope('InstagramBridge');
$cache->setKey([$username]);
$key = $cache->loadData();
if ($key == null) {
$data = $this->getContents(self::URI . 'web/search/topsearch/?query=' . $username);
foreach (json_decode($data)->users as $user) {
if (strtolower($user->user->username) === strtolower($username)) {
$key = $user->user->pk;
}
}
if ($key == null) {
returnServerError('Unable to find username in search result.');
}
$cache->saveData($key);
}
return $key;
}
public function collectData()
{
$directLink = !is_null($this->getInput('direct_links')) && $this->getInput('direct_links');
$data = $this->getInstagramJSON($this->getURI());
if (!is_null($this->getInput('u'))) {
$userMedia = $data->data->user->edge_owner_to_timeline_media->edges;
} elseif (!is_null($this->getInput('h'))) {
$userMedia = $data->data->hashtag->edge_hashtag_to_media->edges;
} elseif (!is_null($this->getInput('l'))) {
$userMedia = $data->entry_data->LocationsPage[0]->graphql->location->edge_location_to_media->edges;
}
foreach ($userMedia as $media) {
$media = $media->node;
switch ($this->getInput('media_type')) {
case 'all':
break;
case 'video':
if ($media->__typename != 'GraphVideo' || !$media->is_video) {
continue 2;
}
break;
case 'picture':
if ($media->__typename != 'GraphImage') {
continue 2;
}
break;
case 'multiple':
if ($media->__typename != 'GraphSidecar') {
continue 2;
}
break;
default:
break;
}
$item = [];
$item['uri'] = self::URI . 'p/' . $media->shortcode . '/';
if (isset($media->owner->username)) {
$item['author'] = $media->owner->username;
}
$textContent = $this->getTextContent($media);
$item['title'] = ($media->is_video ? '▶ ' : '') . $textContent;
$titleLinePos = strpos(wordwrap($item['title'], 120), "\n");
if ($titleLinePos != false) {
$item['title'] = substr($item['title'], 0, $titleLinePos) . '...';
}
if ($directLink) {
$mediaURI = $media->display_url;
} else {
$mediaURI = self::URI . 'p/' . $media->shortcode . '/media?size=l';
}
$pattern = ['/\@([\w\.]+)/', '/#([\w\.]+)/'];
$replace = [
'<a href="https://www.instagram.com/$1">@$1</a>',
'<a href="https://www.instagram.com/explore/tags/$1">#$1</a>'];
switch ($media->__typename) {
case 'GraphSidecar':
$data = $this->getInstagramSidecarData($item['uri'], $item['title'], $media, $textContent);
$item['content'] = $data[0];
$item['enclosures'] = $data[1];
break;
case 'GraphImage':
$item['content'] = '<a href="' . htmlentities($item['uri']) . '" target="_blank">';
$item['content'] .= '<img src="' . htmlentities($mediaURI) . '" alt="' . $item['title'] . '" />';
$item['content'] .= '</a><br><br>' . nl2br(preg_replace($pattern, $replace, htmlentities($textContent)));
$item['enclosures'] = [$mediaURI];
break;
case 'GraphVideo':
$data = $this->getInstagramVideoData($item['uri'], $mediaURI, $media, $textContent);
$item['content'] = $data[0];
if ($directLink) {
$item['enclosures'] = $data[1];
} else {
$item['enclosures'] = [$mediaURI];
}
$item['thumbnail'] = $mediaURI;
break;
default:
break;
}
$item['timestamp'] = $media->taken_at_timestamp;
$this->items[] = $item;
}
}
// returns Sidecar(a post which has multiple media)'s contents and enclosures
protected function getInstagramSidecarData($uri, $postTitle, $mediaInfo, $textContent)
{
$enclosures = [];
$content = '';
foreach ($mediaInfo->edge_sidecar_to_children->edges as $singleMedia) {
$singleMedia = $singleMedia->node;
if ($singleMedia->is_video) {
if (in_array($singleMedia->video_url, $enclosures)) {
continue; // check if not added yet
}
$content .= '<video controls><source src="' . $singleMedia->video_url . '" type="video/mp4"></video><br>';
array_push($enclosures, $singleMedia->video_url);
} else {
if (in_array($singleMedia->display_url, $enclosures)) {
continue; // check if not added yet
}
$content .= '<a href="' . $singleMedia->display_url . '" target="_blank">';
$content .= '<img src="' . $singleMedia->display_url . '" alt="' . $postTitle . '" />';
$content .= '</a><br>';
array_push($enclosures, $singleMedia->display_url);
}
}
$content .= '<br>' . nl2br(htmlentities($textContent));
return [$content, $enclosures];
}
// returns Video post's contents and enclosures
protected function getInstagramVideoData($uri, $mediaURI, $mediaInfo, $textContent)
{
$content = '<video controls>';
$content .= '<source src="' . $mediaInfo->video_url . '" poster="' . $mediaURI . '" type="video/mp4">';
$content .= '<img src="' . $mediaURI . '" alt="">';
$content .= '</video><br>';
$content .= '<br>' . nl2br(htmlentities($textContent));
return [$content, [$mediaInfo->video_url]];
}
protected function getTextContent($media)
{
$textContent = '(no text)';
//Process the first element, that isn't in the node graph
if (count($media->edge_media_to_caption->edges) > 0) {
$textContent = trim($media->edge_media_to_caption->edges[0]->node->text);
}
return $textContent;
}
protected function getInstagramJSON($uri)
{
if (!is_null($this->getInput('u'))) {
$userId = $this->getInstagramUserId($this->getInput('u'));
$data = $this->getContents(self::URI .
'graphql/query/?query_hash=' .
self::USER_QUERY_HASH .
'&variables={"id"%3A"' .
$userId .
'"%2C"first"%3A10}');
return json_decode($data);
} elseif (!is_null($this->getInput('h'))) {
$data = $this->getContents(self::URI .
'graphql/query/?query_hash=' .
self::TAG_QUERY_HASH .
'&variables={"tag_name"%3A"' .
$this->getInput('h') .
'"%2C"first"%3A10}');
return json_decode($data);
} else {
$html = getContents($uri);
$scriptRegex = '/window\._sharedData = (.*);<\/script>/';
preg_match($scriptRegex, $html, $matches, PREG_OFFSET_CAPTURE, 0);
return json_decode($matches[1][0]);
}
}
public function getName()
{
if (!is_null($this->getInput('u'))) {
return $this->getInput('u') . ' - Instagram Bridge';
}
return parent::getName();
}
public function getURI()
{
if (!is_null($this->getInput('u'))) {
return self::URI . urlencode($this->getInput('u')) . '/';
} elseif (!is_null($this->getInput('h'))) {
return self::URI . 'explore/tags/' . urlencode($this->getInput('h'));
} elseif (!is_null($this->getInput('l'))) {
return self::URI . 'explore/locations/' . urlencode($this->getInput('l'));
}
return parent::getURI();
}
public function detectParameters($url)
{
$params = [];
// By username
$regex = '/^(https?:\/\/)?(www\.)?instagram\.com\/([^\/?\n]+)/';
if (preg_match($regex, $url, $matches) > 0) {
$params['u'] = urldecode($matches[3]);
return $params;
}
return null;
}
}