REST API: Providing filename with dots is not accepted

[JoryHogeveen]

Preconditions and environment

• Magento version: 2.4.7-p3
• Anything else that would help a developer reproduce the bug: Just plain Magento REST API for products

Steps to reproduce

1. Create a product through the admin without image.
2. Use the REST API example below
3. Magento says no.

Expected result

A dot within a filename should be perfectly fine.

Actual result

It's not fine :(

Additional information

REST API request:

{
    "product": {
        "sku": "YOUR_PRODUCT_SKU",
        "media_gallery_entries": [
          {
            "file": "dir/filename.with.dots.jpg",
            "label": "Anything",
            "disabled": false,
            "media_type": "image",
            "position": "0",
            "content": {
              "base64_encoded_data": "YOUR_BASE64_DATA",
              "type": "image/jpeg",
              "name": "some_dir/filename.with.dots.jpg",
            },
            "types": [
              "image",
              "small_image",
              "thumbnail"
            ]
          }
        ],
   }
}

REST API Response:

{
    "message": "The image doesn't exist"
}

This response can be found in: Magento\Catalog\Model\Product\Gallery\Processor::addImage()::L157
https://github.com/magento/magento2/blob/2.4.7-p3/app/code/Magento/Catalog/Model/Product/Gallery/Processor.php#L157

Release note

I've set it to S0 since this option is currently simply not allowed which will result in invalid automated synchronizations between Magento and other systems.

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]

Hi @JoryHogeveen. Thank you for your report.
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[m2-assistant]

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

Though definitely not the same issue, this topic might be somewhat related: #38641