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Add 'sandbox' to CSP for media repo (#4284)

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* Add 'sandbox' to the CSP for media repo

* Changelog
This commit is contained in:
David Baker 2018-12-10 17:05:02 +00:00 committed by Amber Brown
parent 989f1167af
commit 89ac2a5bdb
2 changed files with 3 additions and 1 deletions
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1
changelog.d/4284.bugfix Normal file
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@ -0,0 +1 @@
Add 'sandbox' to CSP for media reprository

3
synapse/rest/media/v1/download_resource.py
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@ -48,7 +48,8 @@ class DownloadResource(Resource):
set_cors_headers(request)
request.setHeader(
b"Content-Security-Policy",
b"default-src 'none';"
b"sandbox;"
b" default-src 'none';"
b" script-src 'none';"
b" plugin-types application/pdf;"
b" style-src 'unsafe-inline';"