Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Implementation of ThumbcacheParser for Metadata and Thumbnail Extraction #2349

Draft
wants to merge 22 commits into
base: master
Choose a base branch
from

Conversation

marcus6n
Copy link
Contributor

@marcus6n marcus6n commented Oct 23, 2024

This Pull Request introduces the initial implementation of the ThumbcacheParser class, designed to process thumbcache files for metadata extraction and image conversion.

…thods

- Added serialVersionUID for serialization compatibility.
- Implemented getSupportedTypes to return supported media types.
- Implemented parse method to extract embedded documents.
…-inc/IPED into feature/thumbcache-parser

# Conflicts:
#	iped-parsers/iped-parsers-impl/src/main/java/iped/parsers/misc/ThumbcacheParser.java
- Implemented `parseThumbcacheFile` method to read and parse thumbcache file entries.
- Added detailed logging of thumbcache entry attributes.
- Utilized `ByteBuffer` for reading binary data with little-endian byte order.
- Implemented `ThumbcacheParser` class to parse thumbcache files.
- Added `parseThumbcacheFile` method to read and parse thumbcache file entries.
- Utilized `ByteBuffer` for reading binary data with little-endian byte order.
- Added detailed logging of thumbcache entry attributes.
- Removed repetitive logging of thumbcache entry attributes.
- Adjusted encoding to use `StandardCharsets.UTF_16LE` for identifier strings.
@lfcnassif lfcnassif marked this pull request as draft October 23, 2024 22:21
@lfcnassif
Copy link
Member

Thanks @marcus6n. Could you take a look and help him @hauck-jvsh?

- Implemented functionality to detect and save images extracted from the .thumbcache file.
- Added support for detecting image file extensions (BMP, JPG, PNG) based on the first bytes of the image data.
- Images are saved in the 'output' directory with names based on their hash.
- Improved parsing of the thumbcache file and added error handling for image saving process.
@hauck-jvsh
Copy link
Member

Ok, I will take a look today.

…zation

- Modify parse method to return and extract image data
- Add getLastSavedFileName method to retrieve last saved thumbnail
- Enhance metadata handling for embedded image visualization
- Ensure compatibility with Tika's embedded document extraction
…extraction

- Import TikaCoreProperties for RESOURCE_NAME_KEY
- Update metadata setting to use correct resource name key
- Maintain multiple image extraction logic
- Improve embedded document handling
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants