Magento\Framework\Filesystem\Driver\Http depends on reason phrase OK

[jirichmiel]

Summary

Method Magento\Framework\Filesystem\Driver\Http::isExists that determines whether given url exists depends on that remote server returns status header with 200 OK (e.g: HTTP/1.1 200 OK), but reason phrase OK is not required (https://www.rfc-editor.org/rfc/rfc7230#section-3.1.2). Some server may return only HTTP/1.1 200. In that case Driver\Http will tell that given url does not exist although it exists.

Examples

~$ curl -i "https://acs4.editionguard.com/fulfillment/URLLink.acsm"
HTTP/1.1 200 
Content-Type: application/vnd.adobe.adept+xml
Date: Wed, 15 Jan 2025 18:49:25 GMT
Server: Apache/2.4.39 (Amazon) OpenSSL/1.0.2k-fips
Content-Length: 139
Connection: keep-alive

Proposed solution

Change line from

return !(strpos($status, '200 OK') === false);

to

return !(strpos($status, '200') === false);

Release note

No response

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

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[m2-assistant]

Hi @engcom-Hotel. Thank you for working on this issue.
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[engcom-Hotel]

Hello @jirichmiel,

Thanks for the report and collaboration!

We have reviewed the codebase here:

magento2/lib/internal/Magento/Framework/Filesystem/Driver/Http.php

Lines 29 to 37 in e586f40

	public function isExists($path)
	{
	$headers = array_change_key_case(get_headers($this->getScheme() . $path, 1), CASE_LOWER);
	$status = $headers[0] ?? '';
	/* Handling 301 or 302 redirection */
	if (isset($headers[1]) && preg_match('/30[12]/', $status)) {
	$status = $headers[1];
	}

And also went through the link here and found that it does not necessarily return 200 OK, hence confirming this issue. I also suggest you to raise a community PR with this fix.

Thanks

[github-jira-sync-bot]

✅ Jira issue https://jira.corp.adobe.com/browse/AC-13725 is successfully created for this GitHub issue.

[m2-assistant]

✅ Confirmed by @engcom-Hotel. Thank you for verifying the issue.
Issue Available: @engcom-Hotel, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

[ajith107]

@magento I am working on this

[m2-assistant]

Hi @ajith107! 👋
Thank you for collaboration. Only members of Community Contributors Team are allowed to be assigned to the issue. Please use @magento add to contributors team command to join Contributors team.

[ajith107]

@magento add to contributors team

[m2-assistant]

Hi @ajith107! 👋
Thank you for joining. Please accept team invitation 👉 here 👈 and add your comment one more time.

[ajith107]

@magento I am working on this