140 lines
5.0 KiB
Python
140 lines
5.0 KiB
Python
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# -*- mode: python; python-indent-offset: 4; tab-width: 0; encoding: utf-8-unix -*-
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# This should be execed in config.py
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# Test by visiting https://coveryourtracks.eff.org/
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# https://niek.github.io/chrome-features/
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# https://peter.sh/experiments/chromium-command-line-switches/
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# this may interfere wuth some logins
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c.content.canvas_reading = False
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# just passes --disable-reading-from-canvas
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# Which Chromium process model to use.
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# Alternative process models use less resources, but decrease security and robustness.
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# - https://www.chromium.org/developers/design-documents/process-models
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# - https://doc.qt.io/qt-6/qtwebengine-features.html#process-models
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c.qt.chromium.process_model = 'process-per-site'
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# passes --process-per-site
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# qutebrowser adds --disable-accelerated-2d-canvas
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# qutebrowser starts with these:
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# ['--webEngineArgs', '--enable-features=WebRTCPipeWireCapturer', '--disable-reading-from-canvas', '--touch-events=disabled', '--force-webrtc-ip-handling-policy=disable_non_proxied_udp', '--process-per-site', '--disable-accelerated-2d-canvas']
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enable = ['WebRTCPipeWireCapturer']
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disable = []
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# I was thinking of tightening up privacy and security by adding some
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# well-known flags to qt.args. I broke them up into 4 categories
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# and harvested a list of suggestions from the net.
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# Many may be chromium flags not used by QtWebEngine.
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# https://github.com/qutebrowser/qutebrowser/issues/5378
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# https://github.com/qt/qtwebengine/blob/v5.14.2/src/core/web_engine_context.cpp#L478-L690
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cacheM = 100
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#? are disabled for now
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misc = ['log-level=3'
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f"disk-cache-size={cacheM}M",
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f"media-cache-size={cacheM}M"
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]
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# GPU tuning - YMMV
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misc += [
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# https://github.com/qutebrowser/qutebrowser/discussions/7917
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'use-gl=desktop', # or use-gl=egl on wayland
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'enable-accelerated-video-decode', # may make thing slower
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#? enable-features=VaapiVideoDecoder
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#? enable-features=VaapiVideoDecodeLinuxGL
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#? cast-streaming-force-disable-hardware-h264
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#? cast-streaming-force-disable-hardware-vp8
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#? cast-streaming-force-enable-hardware-h264
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#? cast-streaming-force-enable-hardware-vp8
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]
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#? c.qt.workarounds.disable_accelerated_2d_canvas = 'never'
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## chromium security
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## https://clienttest.ssllabs.com:8443/ssltest/viewMyClient.html
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# # 'auth-server-whitelist=*.example.com',
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security = [ 'ssl-version-min=tls1.3',
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'ssl-version-fallback-min=tls1.2',
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]
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disable += ['EnableServiceWorkersForChromeUntrusted']
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## chromium privacy
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# https://www.reddit.com/r/privacytoolsIO/comments/kgqmnm/how_to_tweak_chrome_flags_for_privacy_and/
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# --disable-plugins-discovery
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# --disable-preconnect
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# --dns-prefetch-disable
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# --no-pings
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# --enable-strict-powerful-feature-restrictions
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privacy = [
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#? 'use-dns-https-svcb-alpn=disabled',
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#? 'show-autofill-type-predictions=disabled',
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#? 'back-forward-cache=disabled',
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'disable-plugins-discovery',
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'disable-preconnect',
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'dns-prefetch-disable',
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'no-pings',
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#? 'disable-webgl',
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#? 'media-route-dial-provider',
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#? 'allow-silent-push=disabled',
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'disable-notificatons',
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'webview-force-disable-3pcs',
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]
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# https://www.reddit.com/r/privacytoolsIO/comments/kgqmnm/how_to_tweak_chrome_flags_for_privacy_and/
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privacy += [
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'strict-origin-isolation',
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'reduced-referrer-granularity'
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]
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# Overall, these two should be enough. You can also consider these flags but imo these doesn't add much benefits
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#disallow-doc-written-script-loads
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#cookies-without-same-site-must-be-secure
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#force-empty-CORB-and-CORS-allowlist
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#cors-for-content-scripts
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#enable-noscript-previews
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disable += ['DnsOverHttps', 'DnsOverHttpsUpgrade']
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# a matter of taste
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# https://nira.com/chrome-flags/
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taste = [
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#? 'proactive-tab-freeze-and-discard=enabled',
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#? 'enable-lazy-image-loading=enabled',
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#? 'omnibox-ui-hide-steady-state-url-scheme=enabled',
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#? 'omnibox-ui-hide-steady-state-url-trivial-subdomains=enabled',
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#? 'memory-saver-memory-usage-in-hovercards=enabled',
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#? 'block-insecure-private-network-requests=disabled',
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#no 'disable-remote-fonts',
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'disable-remote-playback-api',
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]
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if True:
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c.qt.args = security + privacy + misc + taste + \
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['enable-features=' +','.join(enable),
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'disable-features=' +','.join(disable)]
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del security, privacy, misc, taste, enable, disable
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# how to disable these?
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# TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013) WEAK 128
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# TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014) WEAK 256
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# TLS_RSA_WITH_AES_128_GCM_SHA256 (0x9c) WEAK 128
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# TLS_RSA_WITH_AES_256_GCM_SHA384 (0x9d) WEAK 256
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# TLS_RSA_WITH_AES_128_CBC_SHA (0x2f) WEAK 128
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# TLS_RSA_WITH_AES_256_CBC_SHA (0x35) WEAK
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# See also the env variables
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#QT_LOGGING_RULES=qt.webenginecontext.debug=true
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#QT_QUICK_BACKEND or QMLSCENE_DEVICE # string
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#QT_OPENGL # ; set or not
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#QTWEBENGINE_CHROMIUM_FLAGS # space sep. string
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#QTWEBENGINE_DISABLE_SANDBOX # ; set or not
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#QTWEBENGINE_DISABLE_GPU_THREAD # ; set or not
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# import os
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# export QTWEBENGINE_DICTIONARIES_PATH /usr/share/myspell
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