Free user data from Feidee private backups (.kbf).
Feidee MyMoney is a set of book-keeping software popular in China. It includes Android, iOS, web apps and several pieces of desktop software. The Android and iOS apps produces backup in kbf format.
A kbf file is in fact a zip file contains a modified SQLite database and other attachments, such as photos. The first 16 bits of the SQLite database is modified so that it could not be read directly by SQLite. The database itself is NOT encrypted. Almost all useful information is in the SQLite database.
gem install feidee_utils
A set of ActiveRecord-like classes are provided to access the information in the backup. See the quick example below.
require 'feidee_utils'
kbf = FeideeUtils::Kbf.open_file(path_to_kbf_file)
database = kbf.db
all_accounts = database.ledger::Account.all
all_transactions = database.ledger::Transaction.all
For more examples see examples/ (To be added).
The database contains many Chinese characters such as builtin category names. Some of the characters are also included in tests. The gem is developed under OSX so presumably the gem should work fine in Unix-like environments with Unicode/UTF8 or whatever the encoding is.
Sometimes we have to compare the content of two backups and must open them at the same time. Only one database can be opened using ActiveRecord. It is not designed to be used in such a way.
Originally the Feidee Android and iOS app let users export their personal data recorded by the app. Since some version last year (2014), the export functionality is removed from the app and user data is trapped inside Feidee's private system forever. The uses may pay to get pro version, or upload their data to Feidee's server in order to export.
As a user of Feidee MyMoney, I'm truelly grateful that such great apps are available free of charge. However I also believe that users' data belongs to users and should be controlled by its owner. Thus I decided to build the utils to help Feidee MyMoney users access their own data.
Use at your own risk. Study purpose only. Please do NOT use for any illegal purpose. For details see MIT-LICENSE in the repo.
This software DOES NOT involve any kind of jail break, reverse engineering or crack of any Feidee's proprietary software or app.
The trademark Feidee, Feidee MyMoney, kbf file format and database design are intellecture properties of Feidee, or whoever the owners are.
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We found that feidee_utils demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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