copy_firefox

#!/bin/sh
set -eu

# Firefox configuration is enough of a pain in the ass to warrant its own script

CWD="$(dirname "$0")"
ffsrc="$1"
ffdst="$2"

mkdir -p "$ffdst"
rsync --info=stats0,flist0 -r "$ffsrc/" "$ffdst" \
    --include=/chrome/ \
    --include=/extensions/ \
    --include=/user.js \
    --include=/userjs/ \
    --include=/extensions.json \
    --exclude='/*' \
    --exclude='/extensions/langpack-*.xpi' \
    --exclude=/extensions/deArrow@ajay.app.xpi \
    --exclude=/extensions/jid1-MnnxcxisBPnSXQ@jetpack.xpi \
    --exclude=/extensions/tridactyl.vim@cmcaine.co.uk.xpi
# Exclusions:
# - deArrow@ajay.app DeArrow: Still testing, not a huge fan yet
# - jid1-MnnxcxisBPnSXQ@jetpack Privacy Badger: Useless defaults when uBlock is used
# - tridactyl.vim@cmcaine.co.uk Tridactyl: Currently disabled

# Enable all installed extensions
printf '{"schemaVersion":35,"addons":[' > "$ffdst/extensions.json"
for x in "$ffdst/extensions"/*.xpi; do
    name="$(basename "$x" .xpi)"
    printf '%s' \
        '{' \
        '"id":"'"$name"'",' \
        '"version":"0",' \
        '"type":"extension",' \
        '"defaultLocale":{},' \
        '"visible":true,' \
        '"active":true,' \
        '"location":"app-profile"' \
        '},' >> "$ffdst/extensions.json"
done
printf '{}]}' >> "$ffdst/extensions.json"

# Configure default search engine
cat > "$ffdst/search.json" << 'EOF'
{
    "version": 8,
    "engines": [
        {
            "id": "ddg@search.mozilla.orgdefault",
            "_name": "DuckDuckGo",
            "_metaData": {}
        }
    ],
    "metaData": {
        "defaultEngineId": "ddg@search.mozilla.orgdefault"
    }
}
EOF

# Add some additional preferences
cat > "$ffdst/prefs.js" << 'EOF'
user_pref("browser.uiCustomization.state", "{
    \"placements\": {
        \"nav-bar\": [
            \"back-button\",
            \"forward-button\",
            \"stop-reload-button\",
            \"urlbar-container\",
            \"search-container\",
            \"downloads-button\",
            \"_testpilot-containers-browser-action\",
            \"ublock0_raymondhill_net-browser-action\",
            \"7esoorv3_alefvanoon_anonaddy_me-browser-action\",
            \"passff_invicem_pro-browser-action\",
            \"treestyletab_piro_sakura_ne_jp-browser-action\",
            \"unified-extensions-button\"
        ]
    },
    \"seen\": [
        \"sponsorblocker_ajay_app-browser-action\"
    ],
    \"currentVersion\": 19
}");

user_pref("extensions.webextensions.uuids", "{
    \"{aecec67f-0d10-4fa7-b7c7-609a2db280cf}\": \"00000000-0000-0000-0000-000000000000\",
    \"treestyletab@piro.sakura.ne.jp\": \"00000000-0000-0000-0000-000000000001\",
    \"jid1-bmMwuNrx3u5hqQ@jetpack\": \"00000000-0000-0000-0000-000000000002\"
}");
EOF

# Finding out extension names:
# cat extensions.json | jq | less  # Look for name and id

# {aecec67f-0d10-4fa7-b7c7-609a2db280cf}: Violentmonkey
# - Import scripts from zip backup (no script data/settings)
# - Use about:debugging adn browser.storage.local.set({key:val}) to inject image cache
# treestyletab@piro.sakura.ne.jp: Tree Style Tab
# - Default configuration to avoid first-use popups
# jid1-bmMwuNrx3u5hqQ@jetpack: wasavi
# - Default configuration to avoid first-use popups

# Install extension configuration
rsync --info=stats0,flist0 -r "$CWD/data/firefox/" "$ffdst"

# "Compress" the files that require this...
# Yes, I wrote a non-compressor in posix shell for this
mozlz4() {
    len=$(cat "$1" | wc -c)
    test $len -lt 15 && buf=$(printf %x0 $len) || {
        buf=f0
        rem=$(( $len - 15 ))
        while [ $rem -ge 255 ]; do
            buf=${buf}ff
            rem=$(( $rem - 255 ))
        done
        buf=$buf$(printf %02x $rem)
    }
    datalen=$(( $len + $(printf %s $buf | wc -c) / 2 ))
    buf=$(printf %08x $datalen | sed 's/../&\n/g' | tac | tr -d \\n)$buf
    buf=$(printf mozLz40\\0 | xxd -p)$buf
    echo $buf | xxd -r -p | cat - "$1"
}

mozlz4 "$ffdst/search.json" > "$ffdst/search.json.mozlz4"
rm "$ffdst/search.json"