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[InstagramBridge] Use fallback when User ID can not be found (#4531)

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- In case the userId can not be found, use the Fallback method

- Fallback method move to it's own function
This commit is contained in:
sysadminstory 2025-05-09 04:33:18 +02:00 committed by GitHub
parent 648fcc38b5
commit 6342b8387e
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1 changed files with 40 additions and 28 deletions
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68
bridges/InstagramBridge.php
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@ -108,15 +108,13 @@ class InstagramBridge extends BridgeAbstract
if (!$pk) { if (!$pk) {
$data = $this->getContents(self::URI . 'web/search/topsearch/?query=' . $username); $data = $this->getContents(self::URI . 'web/search/topsearch/?query=' . $username);
foreach (json_decode($data)->users as $user) { if (!$data) {
if (strtolower($user->user->username) === strtolower($username)) { foreach (json_decode($data)->users as $user) {
$pk = $user->user->pk; if (strtolower($user->user->username) === strtolower($username)) {
$pk = $user->user->pk;
}
} }
} }
if (!$pk) {
returnServerError('Unable to find username in search result.');
}
$this->cache->set($cacheKey, $pk);
} }
return $pk; return $pk;
} }
@ -284,33 +282,22 @@ class InstagramBridge extends BridgeAbstract
if (!is_null($this->getInput('u'))) { if (!is_null($this->getInput('u'))) {
try { try {
$userId = $this->getInstagramUserId($this->getInput('u')); $userId = $this->getInstagramUserId($this->getInput('u'));
$data = $this->getContents(self::URI .
// If the Userid is not null, try to load the data from the graphql
if (!$userId) {
$data = $this->getContents(self::URI .
'graphql/query/?query_hash=' . 'graphql/query/?query_hash=' .
self::USER_QUERY_HASH . self::USER_QUERY_HASH .
'&variables={"id"%3A"' . '&variables={"id"%3A"' .
$userId . $userId .
'"%2C"first"%3A10}'); '"%2C"first"%3A10}');
} else {
// In case we did not get the UserId then we must go back to the fallback mode
$data = $this->getInstagramJSONFallback();
}
} catch (HttpException $e) { } catch (HttpException $e) {
// If loading the data directly failed, we fall back to the "/embed" data loading // Even if the UserId is not nul, the graphql request could go wrong, and then we should try to use the fallback mode
// We are in the fallback mode : set a booolean to handle this specific case while collecting the content $data = $this->getInstagramJSONFallback();
$this->fallbackMode = true;
// Get the HTML code of the profile embed page, and extract the JSON of it
$username = $this->getInput('u');
// Load the content using the integrated function to use helping headers
$htmlString = $this->getContents(self::URI . $username . '/embed/');
// Load the String as an SimpleHTMLDom Object
$html = new simple_html_dom();
$html->load($htmlString);
// Find the <script> tag containing the JSON content
$jsCode = $html->find('body', 0)->find('script', 3)->innertext;
// Extract the content needed by our bridge of the whole Javascript content
$regex = '#"contextJSON":"(.*)"}\]\],\["NavigationMetrics"#m';
preg_match($regex, $jsCode, $matches);
$jsVariable = $matches[1];
$data = stripcslashes($jsVariable);
// stripcslashes remove Javascript unicode escaping : add it back to the string so json_decode can handle it
$data = preg_replace('/(?<!\\\\)u[0-9A-Fa-f]{4}/', '\\\\$0', $data);
} }
return json_decode($data); return json_decode($data);
} elseif (!is_null($this->getInput('h'))) { } elseif (!is_null($this->getInput('h'))) {
@ -334,6 +321,31 @@ class InstagramBridge extends BridgeAbstract
} }
} }
protected function getInstagramJSONFallback()
{
// If loading the data directly failed, we fall back to the "/embed" data loading
// We are in the fallback mode : set a booolean to handle this specific case while collecting the content
$this->fallbackMode = true;
// Get the HTML code of the profile embed page, and extract the JSON of it
$username = $this->getInput('u');
// Load the content using the integrated function to use helping headers
$htmlString = $this->getContents(self::URI . $username . '/embed/');
// Load the String as an SimpleHTMLDom Object
$html = new simple_html_dom();
$html->load($htmlString);
// Find the <script> tag containing the JSON content
$jsCode = $html->find('body', 0)->find('script', 3)->innertext;
// Extract the content needed by our bridge of the whole Javascript content
$regex = '#"contextJSON":"(.*)"}\]\],\["NavigationMetrics"#m';
preg_match($regex, $jsCode, $matches);
$jsVariable = $matches[1];
$data = stripcslashes($jsVariable);
// stripcslashes remove Javascript unicode escaping : add it back to the string so json_decode can handle it
$data = preg_replace('/(?<!\\\\)u[0-9A-Fa-f]{4}/', '\\\\$0', $data);
return $data;
}
public function getName() public function getName()
{ {
if (!is_null($this->getInput('u'))) { if (!is_null($this->getInput('u'))) {