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Reliable Storage: Error to the user when IndexedDB gets blown away #9109

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ara4n opened this issue Mar 11, 2019 · 6 comments
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Reliable Storage: Error to the user when IndexedDB gets blown away #9109

ara4n opened this issue Mar 11, 2019 · 6 comments
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@jryans
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A-E2EE A-Storage Storage layer of the app, including IndexedDB, local storage, etc. P1 S-Major Severely degrades major functionality or product features, with no satisfactory workaround T-Defect

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@ara4n
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ara4n commented Mar 11, 2019

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@ara4n ara4n changed the title "error to the user when indexeddb gets blown away" "rather than failing silentlyl error to the user when indexeddb gets blown away Mar 11, 2019
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ara4n commented Mar 11, 2019 •
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rather than failing silently

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ara4n commented Mar 12, 2019

closely related to #7465

@turt2live
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Technically a fix for #6120

@lampholder lampholder added T-Defect P1 S-Major Severely degrades major functionality or product features, with no satisfactory workaround A-E2EE labels Mar 12, 2019
@jryans jryans self-assigned this Mar 13, 2019
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jryans commented Mar 13, 2019

I assume we are fairly confident that people are observing:

  • IndexedDB deleted by browser
  • Local storage remains in place (because they are still logged in)

as the case we want to handle here?

(That's not supposed to be what happens, since browsers are meant to atomically purge all forms of storage for a origin together when you are out of space, but it's hard to be sure about what happens in practice other than testing manually to see.)

This was referenced Mar 15, 2019
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jryans commented Mar 18, 2019

I assume we are fairly confident that people are observing:

* IndexedDB deleted by browser

* Local storage remains in place (because they are still logged in)

as the case we want to handle here?

(That's not supposed to be what happens, since browsers are meant to atomically purge all forms of storage for a origin together when you are out of space, but it's hard to be sure about what happens in practice other than testing manually to see.)

While the Storage Standard says all storage for an origin group should be limited by a single quota, in practice, browsers appear to handle localStorage separately from the others, so it has a separate quota limit and isn't evicted when low on space.

  • Chrome, Firefox
    • IndexedDB for origin deleted
    • Local Storage remains in place

jryans added a commit to jryans/matrix-js-sdk that referenced this issue Mar 20, 2019
@jryans
Add investigation notes for browser storage
13dcb8f 
This collects my notes from investigating the state of browser storage as part
of element-hq/element-web#9109.
@jryans jryans mentioned this issue Mar 20, 2019
Merged
jryans added a commit to jryans/matrix-js-sdk that referenced this issue Mar 20, 2019
@jryans
Add investigation notes for browser storage
23bb74b 
This collects my notes from investigating the state of browser storage as part
of element-hq/element-web#9109.
jryans added a commit to jryans/matrix-js-sdk that referenced this issue Mar 20, 2019
@jryans
Add investigation notes for browser storage
0754c29 
This collects my notes from investigating the state of browser storage as part
of element-hq/element-web#9109.
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jryans commented Mar 20, 2019

I have merged some investigation notes with what I've found so far here.

This was referenced Mar 20, 2019
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jryans added a commit to jryans/matrix-js-sdk that referenced this issue Mar 25, 2019
@jryans
Add an IndexedDB existence check to the main store
cc03354 
This will be useful for future storage diagnostics as part of
element-hq/element-web#9109.
jryans added a commit to jryans/matrix-js-sdk that referenced this issue Mar 25, 2019
@jryans
Add an IndexedDB existence check to the crypto store
2d8353b 
This will be useful for future storage diagnostics as part of
element-hq/element-web#9109.
@jryans jryans changed the title error to the user when indexeddb gets blown away Reliable Storage: Error to the user when IndexedDB gets blown away Mar 26, 2019
jryans added a commit to jryans/matrix-react-sdk that referenced this issue Mar 28, 2019
@jryans
Notify user when crypto data is missing
77c1166 
If we have account data in local storage but nothing in the crypto store, it
generally means the browser has evicted IndexedDB out from under us. This adds a
modal to explain the situation and offer to completely clear storage to get
things back to normal.

Fixes element-hq/element-web#9109
@jryans jryans mentioned this issue Mar 28, 2019
Merged
jryans added a commit to jryans/element-web that referenced this issue Mar 29, 2019
@jryans
Setup crypto store for restore session tests
eb1d151 
The new storage consistency work expects a crypto store exist together with
local storage. This updates the loading tests to create them together.

Needed for element-hq#9109
jryans added a commit to jryans/matrix-react-sdk that referenced this issue Mar 29, 2019
@jryans
Notify user when crypto data is missing
328f0cd 
If we have account data in local storage but nothing in the crypto store, it
generally means the browser has evicted IndexedDB out from under us. This adds a
modal to explain the situation and offer to completely clear storage to get
things back to normal.

Fixes element-hq/element-web#9109
@jryans jryans mentioned this issue Mar 29, 2019
Merged
@jryans jryans added the A-Storage Storage layer of the app, including IndexedDB, local storage, etc. label Apr 2, 2019
This was referenced Nov 4, 2021
Closed
Closed
su-ex added a commit to SchildiChat/element-web that referenced this issue Aug 22, 2022
@su-ex
Merge tag 'v1.11.3' into sc
d397360 
* Improve auth aria attributes and semantics ([\element-hq#22948](element-hq#22948)).
* Device manager - New device tile info design ([\element-hq#9122](matrix-org/matrix-react-sdk#9122)). Contributed by @kerryarchibald.
* Device manager generic settings subsection component ([\element-hq#9147](matrix-org/matrix-react-sdk#9147)). Contributed by @kerryarchibald.
* Migrate the hidden read receipts flag to new "send read receipts" option ([\element-hq#9141](matrix-org/matrix-react-sdk#9141)).
* Live location sharing - share location at most every 5 seconds ([\element-hq#9148](matrix-org/matrix-react-sdk#9148)). Contributed by @kerryarchibald.
* Increase max length of voice messages to 15m ([\element-hq#9133](matrix-org/matrix-react-sdk#9133)). Fixes element-hq#18620.
* Move pin drop out of labs ([\element-hq#9135](matrix-org/matrix-react-sdk#9135)).
* Start DM on first message ([\element-hq#8612](matrix-org/matrix-react-sdk#8612)). Fixes element-hq#14736.
* Remove "Add Space" button from RoomListHeader when user cannot create spaces ([\element-hq#9129](matrix-org/matrix-react-sdk#9129)).
* The Welcome Home Screen: Dedicated Download Apps Dialog ([\element-hq#9120](matrix-org/matrix-react-sdk#9120)). Fixes element-hq#22921. Contributed by @justjanne.
* The Welcome Home Screen: "Submit Feedback" pane ([\element-hq#9090](matrix-org/matrix-react-sdk#9090)). Fixes element-hq#22918. Contributed by @justjanne.
* New User Onboarding Task List ([\element-hq#9083](matrix-org/matrix-react-sdk#9083)). Fixes element-hq#22919. Contributed by @justjanne.
* Add support for disabling spell checking ([\element-hq#8604](matrix-org/matrix-react-sdk#8604)). Fixes element-hq#21901.
* Live location share - leave maximised map open when beacons expire ([\element-hq#9098](matrix-org/matrix-react-sdk#9098)). Contributed by @kerryarchibald.
* Some slash-commands (`/myroomnick`) have temporarily been disabled before the first message in a DM is sent. ([\element-hq#9193](matrix-org/matrix-react-sdk#9193)).
* Use stable reference for active tab in tabbedView ([\#9145](matrix-org/matrix-react-sdk#9145)). Contributed by @kerryarchibald.
* Fix pillification sometimes doubling up ([\element-hq#9152](matrix-org/matrix-react-sdk#9152)). Fixes element-hq#23036.
* Fix highlights not being applied to plaintext messages ([\element-hq#9126](matrix-org/matrix-react-sdk#9126)). Fixes element-hq#22787.
* Fix dismissing edit composer when change was undone ([\element-hq#9109](matrix-org/matrix-react-sdk#9109)). Fixes element-hq#22932.
* 1-to-1 DM rooms with bots now act like DM rooms instead of multi-user-rooms before ([\element-hq#9124](matrix-org/matrix-react-sdk#9124)). Fixes element-hq#22894.
* Apply inline start padding to selected lines on modern layout only ([\element-hq#9006](matrix-org/matrix-react-sdk#9006)). Fixes element-hq#22768. Contributed by @luixxiul.
* Peek into world-readable rooms from spotlight ([\element-hq#9115](matrix-org/matrix-react-sdk#9115)). Fixes element-hq#22862.
* Use default styling on nested numbered lists due to MD being sensitive ([\element-hq#9110](matrix-org/matrix-react-sdk#9110)). Fixes element-hq#22935.
* Fix replying using chat effect commands ([\element-hq#9101](matrix-org/matrix-react-sdk#9101)). Fixes element-hq#22824.
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A-E2EE A-Storage Storage layer of the app, including IndexedDB, local storage, etc. P1 S-Major Severely degrades major functionality or product features, with no satisfactory workaround T-Defect
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