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  4. Import Jar As Project

Import Jar As Project

Import Jar As Project
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2018-12 (4.10)
2018-09 (4.9)
Photon (4.8)
Oxygen (4.7)
Neon (4.6)
2019-03 (4.11)
2019-06 (4.12)
2019-09 (4.13)
2019-12 (4.14)
2020-03 (4.15)

http://helospark.com/eclipse_plugin/import-jar-as-project/
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Details

Import a .jar or .war as a project into you Eclipse IDE, even if you don't have the source by decompiling the jar

Supported project types

  • Maven
  • PDE Eclipse plugin
  • WAR file
  • Generic Eclipse project

Usage

  • Install the plugin
  • File->Import->Other->Jar without source
  • Select a jar/war file and click finish
  • New project will be created from the jar

Goals

  • Validate/audit the content of a jar/war file for potential malicious content
    • Think for example jar files downloaded from Maven central. Most of them are not really validated, any of them can potentially contain malicious content.
    • Even if the library is open source, compiled version could potentially contain code not present in the source repository, Interesting case study is the original Eclipse decompiler plugin: https://0x10f8.wordpress.com/2017/08/07/reverse-engineering-an-eclipse-p...
    • Source attachment of a Maven artifact also cannot be trusted, since it is only uploaded to Maven, it can contain anything the author wants, if your IDE shows the source attachment instead of the decompiled source, you IDE can potentially help to hide the malicious code.
    • Even if the library owner has no malicious intent, build servers can be compromised to include additional code into an otherwise legitimate library
    • Even with valid artifacts tricking caches, MITM and compramising artifactories is possible
    • Via this plugin the actual decompiled source can be pulled into Eclipse, where you can manually study it (or even build it).
  • Continue the deveopment of a project you no longer have source for.

Limitation

  • Compiled jar lacks some information present in the source code, most importantly many generic types, some local variable names, comments, etc., therefore perfect reproduction of the source code is not always possible and sometimes you will see compilation failure which you have to correct manually. This project uses CFR to decompile, issues with the decompiled code should be reported for: http://www.benf.org/other/cfr/
  • Sometimes Maven artifact refer to SNAPSHOTs built at the same time they were originally built, however this will not be automatically connected, you have to manually have to change the version or also import other dependencies.
  • Sometimes Maven artifacts are missing pom.xml, because they are managed elsewhere, in that case some dependency problems may arise which requires manual fix

Support

For any issue / support raise a ticket on the project's GitHub page:
https://github.com/helospark/import-jar-as-project

Categories:
  • Tools
Tags:
  • security,
  • audit,
  • jar,
  • decompile,
  • decompiler,
  • war,
  • project,
  • maven,
  • PDE,
  • webapp
Additional Details
Eclipse Versions: 
2018-12 (4.10), 2018-09 (4.9), Photon (4.8), Oxygen (4.7), Neon (4.6), 2019-03 (4.11), 2019-06 (4.12), 2019-09 (4.13), 2019-12 (4.14), 2020-03 (4.15)
Platform Support: 
Windows, Mac, Linux/GTK
Organization Name: 
Date Created: 
Fri, 2018-12-14 03:05
Development Status: 
Alpha
License: 
MIT
Date Updated: 
Fri, 2020-01-24 10:16
Submitted by: 
Helo Spark
Screenshots
Metrics
DateRankingInstallsClickthroughs
March 2020113/889664 (0.13%)16
February 2020114/885678 (0.14%)18
January 2020110/871679 (0.14%)12
December 2019112/876621 (0.13%)16
November 2019120/900663 (0.12%)14
October 2019124/888684 (0.12%)11
September 2019119/878671 (0.12%)14
August 2019121/900629 (0.12%)6
July 2019103/911863 (0.15%)14
June 2019105/919724 (0.14%)12
May 2019112/913767 (0.13%)7
April 2019119/923715 (0.12%)7
View Data for all Listings
Errors

Unsuccessful Installs in the last 7 Days: 8

CountError Message
5Cannot continue the operation. There is another install operation in progress.
3Cannot complete the install because one or more required items could not be found....
Download last 500 errors (CSV)
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Output: Drag to your running Eclipse* workspace. *Requires Eclipse Marketplace Client
Sunday, March 29, 2020 - 10:25
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