[TIKA-2658] Add magic numbers of Olympus ORF Files

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.18
• Fix Version/s: 2.0.0
• Component/s: detector
• Assignee: Unassigned
• Reporter: Selim Dincer
• Created: 01/Jun/18 14:05
• Updated: 12/Apr/21 13:01
• Resolved: 05/Sep/18 20:00

Description

For Olympus Raw Files (.ORF) there aren't any magic numbers specified in the tika-mimetypes.xml file. When I adjust the xml to look like following it works:

<mime-type type="image/x-raw-olympus">
  <_comment>Olympus raw image</_comment>
  <magic priority="50">
    <match offset="0" type="string" value="\x49\x49\x52\x4F"/>
  </magic>
  <glob pattern="*.orf"/>
</mime-type>

I tested this with files from my Olympus E-PL7, my Olympus E-M5 Mark II and some Olympus E-M1 Mark II raw files I found on the internet (the most recent camera). The content type changes from octet stream to image/x-raw-olympus as expected.

Issue Links

• links to: GitHub Pull Request #239