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[Files] Cannot preview or download files with special characters #173138

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cnasikas opened this issue Dec 12, 2023 · 8 comments · Fixed by #176822
Closed

[Files] Cannot preview or download files with special characters #173138

cnasikas opened this issue Dec 12, 2023 · 8 comments · Fixed by #176822
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bug Fixes for quality problems that affect the customer experience Feature:Cases Cases feature feature:Files Team:SharedUX Team label for AppEx-SharedUX (formerly Global Experience) v8.10.4 v8.11.3 v8.12.0 v8.13.0

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@cnasikas
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Cases use the Kibana File Service to upload files to a case. For some filenames, for example Screenshot 2023-12-11 at 1 29 07 PM, the previewer does not work. The api/files/files<kind_id>/<file_id>/blob endpoint returns a 500 error.

Steps to reproduce the bug:
https://github.com/elastic/kibana/assets/7871006/564abab0-d126-4f42-a36f-5e80825b196a

Image to use for upload:
Screenshot 2023-12-11 at 1 29 07 PM

@cnasikas cnasikas added bug Fixes for quality problems that affect the customer experience Feature:Cases Cases feature Team:SharedUX Team label for AppEx-SharedUX (formerly Global Experience) feature:Files v8.12.0 v8.10.4 v8.11.2 v8.13.0 labels Dec 12, 2023
@elasticmachine
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Pinging @elastic/response-ops-cases (Feature:Cases)

@elasticmachine
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Pinging @elastic/appex-sharedux (Team:SharedUX)

@tsullivan
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This looks similar to the issue fixed for Reporting in #153158

@eokoneyo
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Fix confirmed. The same file provided was used to following the steps outlined in the video attached to this issue, and the preview content is visible.
See video below for confirmation;
https://github.com/elastic/kibana/assets/7893459/bc73234e-3e21-4126-a2e9-48d307104888

@cnasikas
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@eokoneyo Which PR fixed the issue? Thanks!

@eokoneyo
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@eokoneyo Which PR fixed the issue? Thanks!

As far as I can tell, it's this one right here #153158. The fix was verified on main

@cnasikas
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Thanks @eokoneyo. This PR is unrelated to the Kibana File Service that Cases use to upload files. The QA team reported in this issue #175656 that the bug still exists in 8.12 and is not fixed.

@cnasikas cnasikas reopened this Jan 30, 2024
@eokoneyo
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Update:

Following up with @cnasikas over slack the thing to note here is the file name relates to the issue, and I had previously used the provided file in the issue as is, which didn't have a file naming issue.

eokoneyo added a commit that referenced this issue Feb 19, 2024
…ownloads (#176822)

## Summary

closes; #173138

Looking into this, it turns out this issue was happening because the
header value for `content-disposition` contained invalid characters
given we were using the filename as is.

See Screenshot resulting from debugging the request; 

<img width="846" alt="Screenshot 2024-02-13 at 13 38 53"
src="https://github.com/elastic/kibana/assets/7893459/c1fbc09c-53c3-4d5b-8ba9-8752a56a9a6b">


To fix this, I've opted to leverage the ~package
[content-disposition](https://github.com/jshttp/content-disposition), in
place of some custom approach to fix this~ `res.file` handler which
correctly handles computation for content-disposition in place of
`res.ok` ~and providing our own computation of the value for
content-disposition~.

## Verifying the fix:

- Navigate to cases, (found in the the nav menu for stack management)
- create a new case, if there isn't one you can readily use
- click the files tab and grab an image you'd like to upload, before you
do rename said image to `Screenshot 2023-12-11 at 1 29 07 PM` keeping
it's extension
- on image upload complete, you should be able to view the preview for
the just uploaded image.

<!-- 
### Checklist

Delete any items that are not applicable to this PR.

- [ ] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)
- [ ]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [ ] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed
- [ ] Any UI touched in this PR is usable by keyboard only (learn more
about [keyboard accessibility](https://webaim.org/techniques/keyboard/))
- [ ] Any UI touched in this PR does not create any new axe failures
(run axe in browser:
[FF](https://addons.mozilla.org/en-US/firefox/addon/axe-devtools/),
[Chrome](https://chrome.google.com/webstore/detail/axe-web-accessibility-tes/lhdoppojpmngadmnindnejefpokejbdd?hl=en-US))
- [ ] If a plugin configuration key changed, check if it needs to be
allowlisted in the cloud and added to the [docker
list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker)
- [ ] This renders correctly on smaller devices using a responsive
layout. (You can test this [in your
browser](https://www.browserstack.com/guide/responsive-testing-on-local-server))
- [ ] This was checked for [cross-browser
compatibility](https://www.elastic.co/support/matrix#matrix_browsers)


### Risk Matrix

Delete this section if it is not applicable to this PR.

Before closing this PR, invite QA, stakeholders, and other developers to
identify risks that should be tested prior to the change/feature
release.

When forming the risk matrix, consider some of the following examples
and how they may potentially impact the change:

| Risk | Probability | Severity | Mitigation/Notes |

|---------------------------|-------------|----------|-------------------------|
| Multiple Spaces&mdash;unexpected behavior in non-default Kibana Space.
| Low | High | Integration tests will verify that all features are still
supported in non-default Kibana Space and when user switches between
spaces. |
| Multiple nodes&mdash;Elasticsearch polling might have race conditions
when multiple Kibana nodes are polling for the same tasks. | High | Low
| Tasks are idempotent, so executing them multiple times will not result
in logical error, but will degrade performance. To test for this case we
add plenty of unit tests around this logic and document manual testing
procedure. |
| Code should gracefully handle cases when feature X or plugin Y are
disabled. | Medium | High | Unit tests will verify that any feature flag
or plugin combination still results in our service operational. |
| [See more potential risk
examples](https://github.com/elastic/kibana/blob/main/RISK_MATRIX.mdx) |


### For maintainers

- [ ] This was checked for breaking API changes and was [labeled
appropriately](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)
 -->
fkanout pushed a commit to fkanout/kibana that referenced this issue Mar 4, 2024
…ownloads (elastic#176822)

## Summary

closes; elastic#173138

Looking into this, it turns out this issue was happening because the
header value for `content-disposition` contained invalid characters
given we were using the filename as is.

See Screenshot resulting from debugging the request; 

<img width="846" alt="Screenshot 2024-02-13 at 13 38 53"
src="https://github.com/elastic/kibana/assets/7893459/c1fbc09c-53c3-4d5b-8ba9-8752a56a9a6b">


To fix this, I've opted to leverage the ~package
[content-disposition](https://github.com/jshttp/content-disposition), in
place of some custom approach to fix this~ `res.file` handler which
correctly handles computation for content-disposition in place of
`res.ok` ~and providing our own computation of the value for
content-disposition~.

## Verifying the fix:

- Navigate to cases, (found in the the nav menu for stack management)
- create a new case, if there isn't one you can readily use
- click the files tab and grab an image you'd like to upload, before you
do rename said image to `Screenshot 2023-12-11 at 1 29 07 PM` keeping
it's extension
- on image upload complete, you should be able to view the preview for
the just uploaded image.

<!-- 
### Checklist

Delete any items that are not applicable to this PR.

- [ ] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)
- [ ]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [ ] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed
- [ ] Any UI touched in this PR is usable by keyboard only (learn more
about [keyboard accessibility](https://webaim.org/techniques/keyboard/))
- [ ] Any UI touched in this PR does not create any new axe failures
(run axe in browser:
[FF](https://addons.mozilla.org/en-US/firefox/addon/axe-devtools/),
[Chrome](https://chrome.google.com/webstore/detail/axe-web-accessibility-tes/lhdoppojpmngadmnindnejefpokejbdd?hl=en-US))
- [ ] If a plugin configuration key changed, check if it needs to be
allowlisted in the cloud and added to the [docker
list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker)
- [ ] This renders correctly on smaller devices using a responsive
layout. (You can test this [in your
browser](https://www.browserstack.com/guide/responsive-testing-on-local-server))
- [ ] This was checked for [cross-browser
compatibility](https://www.elastic.co/support/matrix#matrix_browsers)


### Risk Matrix

Delete this section if it is not applicable to this PR.

Before closing this PR, invite QA, stakeholders, and other developers to
identify risks that should be tested prior to the change/feature
release.

When forming the risk matrix, consider some of the following examples
and how they may potentially impact the change:

| Risk | Probability | Severity | Mitigation/Notes |

|---------------------------|-------------|----------|-------------------------|
| Multiple Spaces&mdash;unexpected behavior in non-default Kibana Space.
| Low | High | Integration tests will verify that all features are still
supported in non-default Kibana Space and when user switches between
spaces. |
| Multiple nodes&mdash;Elasticsearch polling might have race conditions
when multiple Kibana nodes are polling for the same tasks. | High | Low
| Tasks are idempotent, so executing them multiple times will not result
in logical error, but will degrade performance. To test for this case we
add plenty of unit tests around this logic and document manual testing
procedure. |
| Code should gracefully handle cases when feature X or plugin Y are
disabled. | Medium | High | Unit tests will verify that any feature flag
or plugin combination still results in our service operational. |
| [See more potential risk
examples](https://github.com/elastic/kibana/blob/main/RISK_MATRIX.mdx) |


### For maintainers

- [ ] This was checked for breaking API changes and was [labeled
appropriately](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)
 -->
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Labels
bug Fixes for quality problems that affect the customer experience Feature:Cases Cases feature feature:Files Team:SharedUX Team label for AppEx-SharedUX (formerly Global Experience) v8.10.4 v8.11.3 v8.12.0 v8.13.0
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