Inline image is not processed if file extension is .jpg

[t-shehab]

Used Zammad Version

6.3

Environment

• Installation method: any
• Operating system (if you're unsure: cat /etc/os-release ): any
• Database + version: any
• Elasticsearch version: any
• Browser + version: any

Actual behaviour

POST with the following payload:

    {
        "ticket_id": 1,
        "subject": "My article with inline image.",
        "body": "this is an inline image: <img src=\"data:image/jpg;base64,<my_base64_string_here>\">",
        "content_type": "text/html",
        "type": "note",
        "internal": "true"
    }

results in:

  body: "this is an inline image: <img src=\"data:image/jpg;base64,<my_base64_string_here>\">",

Expected behaviour

body: "this is an inline image: <img src=\"cid:1.a66af266-3a23-48ac-aa23-371a869ba56f@my_fqdn.example.com\">",

Steps to reproduce the behaviour

For reproduction steps, see above.

Steps to fix the behaviour:

/opt/zammad/lib/html_sanitizer/scrubber/inline_images.rb

18c18
<         if node['src'] && node['src'] =~ %r{^(data:image/(jpeg|png);base64,.+?)$}i
---
>         if node['src'] && node['src'] =~ %r{^(data:image/(jpg|jpeg|png);base64,.+?)$}i
32c32
<         matchdata = src.match %r{^(data:image/(jpeg|png);base64,.+?)$}i
---
>         matchdata = src.match %r{^(data:image/(jpg|jpeg|png);base64,.+?)$}i

Support Ticket

No response

I'm sure this is a bug and no feature request or a general question.

yes