Import Jar As Project

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2022-12 (4.26)
2022-09 (4.25)
2022-06 (4.24)
2022-03 (4.23)
2021-12 (4.22)
2021-09 (4.21)
2021-06 (4.20)
2021-03 (4.19)
2020-12 (4.18)
2020-09 (4.17)
2020-06 (4.16)
2020-03 (4.15)
2019-12 (4.14)
2019-09 (4.13)
2019-06 (4.12)
2019-03 (4.11)
2018-12 (4.10)
2018-09 (4.9)
Photon (4.8)
Oxygen (4.7)
Neon (4.6)
2023-03 (4.27)
2023-06 (4.28)

https://helospark.tk/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

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Additional Details

Eclipse Versions:

2022-12 (4.26), 2022-09 (4.25), 2022-06 (4.24), 2022-03 (4.23), 2021-12 (4.22), 2021-09 (4.21), 2021-06 (4.20), 2021-03 (4.19), 2020-12 (4.18), 2020-09 (4.17), 2020-06 (4.16), 2020-03 (4.15), 2019-12 (4.14), 2019-09 (4.13), 2019-06 (4.12), 2019-03 (4.11), 2018-12 (4.10), 2018-09 (4.9), Photon (4.8), Oxygen (4.7), Neon (4.6), 2023-03 (4.27), 2023-06 (4.28)

Platform Support:

Windows, Mac, Linux/GTK

Development Status:

Alpha

Date Created:

Fri, 2018-12-14 03:05

License:

MIT

Date Updated:

Fri, 2023-04-14 13:30

Submitted by:

Helo Spark

Screenshots

Metrics

Date	Ranking	Installs	Clickthroughs
June 2023	99/583	106 (0.14%)	0
May 2023	105/672	434 (0.13%)	13
April 2023	105/668	411 (0.13%)	2
March 2023	100/688	531 (0.13%)	10
February 2023	104/668	425 (0.13%)	13
January 2023	100/677	462 (0.13%)	9
December 2022	110/805	411 (0.12%)	10
November 2022	109/808	472 (0.12%)	16
October 2022	112/811	447 (0.12%)	24
September 2022	99/812	523 (0.13%)	2
August 2022	108/808	462 (0.13%)	11
July 2022	94/816	534 (0.15%)	10
June 2022	NA	0 (0%)	8

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Errors

Unsuccessful Installs in the last 7 Days: 3

Count	Error Message
2	Cannot continue the operation. There is another install operation in progress.
1	Cannot complete the install because one or more required items could not be found....

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