Allow users to use p2p-keys to publish content

[spylogsster]

Description

• Add a new block to the IPFS Settings to manage p2p-keys:
  

• the self item would be the default key shown as disabled which you can’t remove

• In the context menus add a submenu to select existing key or a new one, if new one selected the user will be navigated to the settings page keys management block

• if no keys selected the content will be published to IPFS only, otherwise to IPNS
  

[spylogsster]

related issues #14774 and #14770

[rebron]

@karenkliu Are you ok with this location in the menu?
https://user-images.githubusercontent.com/2965009/117155058-1fe20200-adc5-11eb-897f-8556a49616f6.png

Possibly move options to More Tools section.

More Tools >

Share local file using IPFS >
Share local folder using IPFS >

Clear Browsing Data...
Task Manager

[karenkliu]

@rebron Have it as a top-line item in the menu makes it easier to find, so I think this is fine. However it doesn't make sense that it gets its own section. I would think of it as an additional browser feature and put it underneath Sync without a divider line.

[stephendonner]

Verified PASSED using the testplan in brave/brave-core#8706 with build

Brave	1.26.43 Chromium: 91.0.4472.77 (Official Build) beta (x86_64)
Revision	1cecd5c8a856bc2a5adda436e7b84d8d21b339b6-refs/branch-heads/4472@{#1246}
OS	macOS Version 11.4 (Build 20F71)

Partially verified (majority of publishing files/folders) via #16020 (comment), which covers the following:

• Check publishing for all IPFS import local menu items: folder or file
• If publishing was successful the IPNS link should be copied

Publishing new content over old one for same key should be successful

Steps:

1. new profile, launch Brave
2. load ipns://brantly.eth
3. click Use a local node
4. load wikipedia.org
5. File | Save Page As... and click Save
6. load brave://settings/ipfs/keys
7. click Add
8. type newkey and click Generate
9. click on the "hamburger" menu and choose IPFS -> Share Local File Using IPFS
10. choose newkey from the flyout
11. browse to Wikipedia.html and click Open
12. wait
13. paste the link copied to the clipboard into a new tab, and load it
14. wait
15. confirm you can load the page over IPNS
16. click on the "hamburger" menu and choose IPFS -> Share Local File Using IPFS
17. choose newkey from the flyout
18. browse to Wikipedia.html and click Open
19. wait
20. paste the link copied to the clipboard into a new tab, and load it
21. wait
22. confirm you can load the page over IPNS
23. load brave://ipfs-internals/
24. click on My Node
25. click on Files
26. click on brave-imports
27. click on the date-stamped directory
28. ensure there is only one copy of the same file, and that is has the same filesize

example	example	example	example	example

If the IPFS node is stopped or keys are not available, the to-be-published items should not be added

Steps:

1. new profile, launch Brave
2. load ipns://brantly.eth
3. click Use a local node
4. load wikipedia.org
5. File | Save Page As... and click Save
6. load brave://settings/ipfs/keys
7. click Add
8. type newkey and click Generate
9. load brave://ipfs-internals/
10. click on the "hamburger" menu and choose IPFS -> Share Local File Using IPFS
11. choose newkey from the flyout
12. browse to Wikipedia.html and click Open
13. click the Stop button on brave://ipfs-internals/
14. wait a couple minutes
15. confirm Wikipedia.html wasn't added, you didn't get a system-level notification, and there's no link for it in your clipboard
16. click Start
17. click My Node
18. click on Files
19. click on brave-imports
20. click on the date-stamped directory
21. confirm you see Wikipedia.html
22. paste the link from your clipboard, and confirm you see the Wikipedia page

example	example	example	example	example	example