Add SSRF and DoS vulnerabilities

[gled02]

As we discussed before, this PR comes from splitting PR #357 into two pull requests (the other PR is #364).
The main goal is to add SSRF and DoS vulnerabilities based on the user cases defined before.

Modifications like making some methods private or adding the contributor's name, have been made. We didn't change our implementation.

[preetkaran20]

Hi @gled02 ,
can you please raise the PR against ssrf_unmerged branch. Why? so that we have your changes in our branches and we can merge them later.

[preetkaran20]

Hi @gled02 ,
can you please raise the PR against ssrf_unmerged branch. Why? so that we have your changes in our branches and we can merge them later.

[gled02]

Hi @preetkaran20 ,

I just raised the PR against ssrf_unmerged branch.

Thanks

[preetkaran20]

Thanks !!!

[preetkaran20]

Hi @NMV01 , @gled02 ,
Thanks for the PRs for CSRF and SSRF vulnerabilities. I really like the speed at which you guys understood the codebase and the way you guys have done the changes. I am very impressed with your efforts, dedication, hard work, and approach.  I think after me if someone understands the VulnerableApp's codebase is you guys. This is the biggest contribution by anyone to the VulnerableApp and it has really helped VulnerableApp cover another set of Vulnerabilities. Hopefully, we will again collaborate in the future.
Also wanted to add that, I was not aware of the timelines else we could have handled it a little differently.
Also, we are looking for feedback about development experience, project improvements, any other thoughts, etc, if you have any please raise the Github issues or send me a mail.

Regards 
Karan

[gled02]

Hi @preetkaran20,

Thanks a lot for your comments. We are really happy to have been able to contribute to VulnerableApp and to help the improvement of this useful project. We are glad to have chosen VulnerableApp as an open source project, for our university project. We learned a lot from this project and from your suggestions. @NMV01 and I, we will be happy to share ideas and thoughts in future.

Regards,