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Mini Shell
# This file applies Content-Security-Policy (CSP) HTTP headers
# to directories containing (user uploaded) resources like
# /fileadmin/ or /uploads/
<IfModule mod_headers.c>
# matching requested *.pdf files only (strict rules block Safari showing PDF documents)
<FilesMatch "\.pdf$">
Header set Content-Security-Policy "default-src 'self' 'unsafe-inline'; script-src 'none'; object-src 'self'; plugin-types application/pdf;"
</FilesMatch>
# matching requested *.svg files only (allows using inline styles when serving SVG files)
<FilesMatch "\.svg">
Header set Content-Security-Policy "default-src 'self'; script-src 'none'; style-src 'unsafe-inline'; object-src 'none';"
</FilesMatch>
# matching anything else, using negative lookbehind pattern
<FilesMatch "(?<!\.(?:pdf|svg))$">
Header set Content-Security-Policy "default-src 'self'; script-src 'none'; style-src 'none'; object-src 'none';"
</FilesMatch>
# =================================================================
# Variations to send CSP header only when it has not be set before.
# Adjust all `Header set` instructions above
# Header set Content-Security-Policy "<directives>"
# with substitutes shown below
#
# -----------------------------------------------------------------
# a) for Apache 2.4 (having `setifempty`)
# -----------------------------------------------------------------
# Header setifempty Content-Security-Policy "<directives>"
#
# -----------------------------------------------------------------
# b) for Apache 2.2 (using fallbacks)
# -----------------------------------------------------------------
# Header append Content-Security-Policy ""
# Header edit Content-Security-Policy "^$" "<directives>"
#
# =================================================================
</IfModule>
Zerion Mini Shell 1.0