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feat: support ipfs daemon --offline #936

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feat: support ipfs daemon --offline #936

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BrianBelhumeur
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This is a fix for #790

When the IPFS daemon is running in offline mode, pinning should still be enabled in the extension.

This fix functions by replacing isIpfsOnline with isApiAvailable to allow pinning actions in the Tools menu and in-page context menu.

@ipfs ipfs deleted a comment from welcome bot Oct 23, 2020
@lidel
refactor: separate 'api down' from 'offline' state
a7793c7 
This changes the meaning of  offlinePeerCount to be the state when
peerCount is 0, and adds explicit apiDownPeerCount equal -1 to indicate
state where extension is unable to read peerCount and has to assume API
is down.
@lidel
feat: precache using public when in offline mode
53ca68c 
This way webui is present in local repo, even when no p2p transfer can
happen to fetch it
This was referenced Oct 23, 2020
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lidel commented Oct 23, 2020

Thank you @BrianBelhumeur! Your comments from #790 (comment) were really useful and prompted me to refactor a few things (added them to this PR):

  • a7793c7 added a way to differentiate between "api is down" and "there are no peers but api is up" states and switched codebase to work better in offline mode
  • 53ca68c detects offline mode and tries to precache webui into the store by prefetching it from public gateway, which partially unblocks import operations (they open in webui, and that final step fails right now)

@lidel lidel changed the title Fix/offline mode feat: support ipfs daemon --offline Oct 23, 2020
@BrianBelhumeur
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@lidel Thanks for all the help! I looked through the commits you provided... makes sense. Looks like the online/offline issue affects several parts of the code.

Happy to park until there's a resolution to ipfs/ipfs-webui#853

@lidel lidel added the status/blocked/upstream-bug Blocked by upstream bugs label Jan 7, 2021
@boomshroom
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There appear to be quite a few conflicts to getting this merged. I'm not terribly familiar with Javascript, so how bad are these conflicts that we're looking at?

I'll just quickly mention that I'll often run IPFS with --offline purely out of paranoia and instead use it as a personal archive, so I'm fairly excited to see this issue resolved.

@lidel
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lidel commented Apr 22, 2021

IIRC this is blocked by ipfs/ipfs-webui#853 (comment)
This PR is pretty stale, so when that webui issue is resolved we will most likely create a new PR here.

@lidel lidel marked this pull request as draft May 6, 2021 23:32
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@lidel lidel Awaiting requested review from lidel lidel is a code owner

@whizzzkid whizzzkid Awaiting requested review from whizzzkid whizzzkid will be requested when the pull request is marked ready for review whizzzkid is a code owner

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@BrianBelhumeur @lidel @boomshroom