+ report = if report_uri, do: ["report-uri ", report_uri, ";report-to csp-endpoint"]
+ insecure = if scheme == "https", do: "upgrade-insecure-requests"
+
+ @csp_start
+ |> add_csp_param(img_src)
+ |> add_csp_param(media_src)
+ |> add_csp_param(connect_src)
+ |> add_csp_param(script_src)
+ |> add_csp_param(insecure)
+ |> add_csp_param(report)
+ |> :erlang.iolist_to_binary()
+ end
+
+ defp get_proxy_and_attachment_sources do
+ media_proxy_whitelist =
+ Enum.reduce(Config.get([:media_proxy, :whitelist]), [], fn host, acc ->
+ add_source(acc, host)
+ end)
+
+ upload_base_url =
+ if Config.get([Pleroma.Upload, :base_url]),
+ do: URI.parse(Config.get([Pleroma.Upload, :base_url])).host
+
+ s3_endpoint =
+ if Config.get([Pleroma.Upload, :uploader]) == Pleroma.Uploaders.S3,
+ do: URI.parse(Config.get([Pleroma.Uploaders.S3, :public_endpoint])).host
+
+ []
+ |> add_source(upload_base_url)
+ |> add_source(s3_endpoint)
+ |> add_source(media_proxy_whitelist)
+ end
+
+ defp add_source(iodata, nil), do: iodata
+ defp add_source(iodata, source), do: [[?\s, source] | iodata]
+
+ defp add_csp_param(csp_iodata, nil), do: csp_iodata
+
+ defp add_csp_param(csp_iodata, param), do: [[param, ?;] | csp_iodata]
+
+ def warn_if_disabled do
+ unless Config.get([:http_security, :enabled]) do
+ Logger.warn("
+ .i;;;;i.
+ iYcviii;vXY:
+ .YXi .i1c.
+ .YC. . in7.
+ .vc. ...... ;1c.
+ i7, .. .;1;
+ i7, .. ... .Y1i
+ ,7v .6MMM@; .YX,
+ .7;. ..IMMMMMM1 :t7.
+ .;Y. ;$MMMMMM9. :tc.
+ vY. .. .nMMM@MMU. ;1v.
+ i7i ... .#MM@M@C. .....:71i
+ it: .... $MMM@9;.,i;;;i,;tti
+ :t7. ..... 0MMMWv.,iii:::,,;St.
+ .nC. ..... IMMMQ..,::::::,.,czX.
+ .ct: ....... .ZMMMI..,:::::::,,:76Y.
+ c2: ......,i..Y$M@t..:::::::,,..inZY
+ vov ......:ii..c$MBc..,,,,,,,,,,..iI9i
+ i9Y ......iii:..7@MA,..,,,,,,,,,....;AA:
+ iIS. ......:ii::..;@MI....,............;Ez.
+ .I9. ......:i::::...8M1..................C0z.
+ .z9; ......:i::::,.. .i:...................zWX.
+ vbv ......,i::::,,. ................. :AQY
+ c6Y. .,...,::::,,..:t0@@QY. ................ :8bi
+ :6S. ..,,...,:::,,,..EMMMMMMI. ............... .;bZ,
+ :6o, .,,,,..:::,,,..i#MMMMMM#v................. YW2.
+ .n8i ..,,,,,,,::,,,,.. tMMMMM@C:.................. .1Wn
+ 7Uc. .:::,,,,,::,,,,.. i1t;,..................... .UEi
+ 7C...::::::::::::,,,,.. .................... vSi.
+ ;1;...,,::::::,......... .................. Yz:
+ v97,......... .voC.
+ izAotX7777777777777777777777777777777777777777Y7n92:
+ .;CoIIIIIUAA666666699999ZZZZZZZZZZZZZZZZZZZZ6ov.
+
+HTTP Security is disabled. Please re-enable it to prevent users from attacking
+your instance and your users via malicious posts:
+
+ config :pleroma, :http_security, enabled: true
+ ")
+ end