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webshop-design/Developer-documentation.md
Bendegúz Gyönki dc66f21248 Updated Developer documentation (markdown)
2020-11-28 22:28:37 +01:00

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Overview of the task

The task was to implement a security-critical webshop that can be used to sell and buy animated images stored in a custom format. The webshop has to support CAFF (CrySyS Animated File Format). The system consists of a web service and a mobile or web client.

Overview of the implementation

During the design phase, we decided to implement a web client.

Our implementation consists of the following modules:

  • CAFF previewer / caff-previewer: A program written in C that is used to extract a preview (a single frame) from a CAFF file. The extracted preview is saved in .tga (TARGA) format, which is a simple bitmap image format.
  • CAFF previewer wrapper / caff-previewer-wrapper: A wrapper written in Python/Flask that provides a simple HTTP interface between CAFF previewer and the web client. The wrapper also converts the extracted preview to PNG using ImageMagick.
  • Web client / webshop: A web client written in Python/Flask. This client implements the user functions.

Note: each module is hosted in its own repository.

CAFF previewer

This module is responsible for extracting previews from CAFF files.

CAFF previewer wrapper

This module makes communication between the previewer and the web client possible.

Web client

This module provides the web UI for the users.