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https://issues.apache.org/jira/browse/NIFI-9241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17423058#comment-17423058
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ASF subversion and git services commented on NIFI-9241:
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Commit e16a6c2b89879034be65cca56b33724914b54033 in nifi's branch
refs/heads/main from David Handermann
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=e16a6c2 ]
NIFI-9241 Refactored CSRF mitigation using random Request-Token
- Replaced use of Authorization header with custom Request-Token header for
CSRF mitigation
- Added Request-Token cookie for CSRF mitigation
- Replaced session storage of JWT with expiration in seconds
- Removed and disabled CORS configuration
- Disabled HTTP OPTIONS method
- Refactored HTTP Proxy URI construction using RequestUriBuilder
Signed-off-by: Nathan Gough <[email protected]>
This closes #5417.
> Review CORS Security Configuration
> ----------------------------------
>
> Key: NIFI-9241
> URL: https://issues.apache.org/jira/browse/NIFI-9241
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core UI, Security
> Affects Versions: 1.8.0, 1.14.0
> Reporter: David Handermann
> Assignee: David Handermann
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The NiFi Web Security Configuration includes a custom CORS Configuration
> Source that disallows HTTP POST requests for Template Uploads. The works as
> expected with direct access to the NiFi UI, but causes issues when attempting
> to upload a template to NiFi through a reverse proxy.
> When a web browser sends a template upload request that includes an
> unexpected {{Origin}} header, the Spring CORS Filter returns HTTP 403
> Forbidden with a response body containing the message {{Invalid CORS
> Request}}. NIFI-6080 describes a workaround that involves setting a
> different {{Origin}} header. The current approach as implemented in
> NIFI-5595 should be evaluated for potential improvements to avoid this
> behavior when running NiFi with a reverse proxy.
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