[scripts] add a script for querying browser bookmarks

script-resources/query-bookmarks.py

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+# helper script for query-bookmarks.sh
+# useful links:
+# https://stackoverflow.com/a/740183/12005228
+# https://wiki.mozilla.org/Places:BookmarksComments
+
+import sqlite3
+import sys
+
+db = sqlite3.connect(sys.argv[1])
+
+urls = {}
+for urlId, url, in db.execute("SELECT id, url FROM urls"):
+    urls[urlId] = url
+
+for title, urlId, keyword, in db.execute(
+    "SELECT title, urlId, keyword FROM items WHERE kind = 1 AND validity AND NOT isDeleted"
+):
+    url = urls[urlId]
+    print("{}\t{}".format(title, url))
+    if keyword is not None:
+        print("{}\t{}".format(keyword, url))

scripts/query-bookmarks.sh

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+#!/bin/sh
+
+# currently supports only Firefox
+# folder support would be nice, though I doubt it is really useful
+# NOTE: doesn't support multiple Firefox profiles
+
+set -eu
+
+script_dir="$(dirname "$0")"
+
+# POSIX sh doesn't have arrays, so I have to make do with loops
+for db_file in ~/.mozilla/firefox/*/weave/bookmarks.sqlite; do
+  if [ ! -e "$db_file" ]; then exit 1; fi
+
+  # Firefox holds a lock over the database file, so I can't connect to it even
+  # in the readonly mode: https://stackoverflow.com/a/7857866/12005228
+  # as a workaround I copy the file
+
+  db_copy_file=$(mktemp -t "query-bookmarks.XXXXXXXXXX.sqlite")
+  delete_db_copy_file() {
+    rm -rf "$db_copy_file"
+  }
+  trap delete_db_copy_file EXIT
+
+  cp -f "$db_file" "$db_copy_file"
+
+  if url="$(python "$script_dir/../script-resources/query-bookmarks.py" "$db_copy_file" | rofi -dmenu -i -p "bookmark")"; then
+    # dummy printf is used to remove the trailing newline produced by rofi: https://stackoverflow.com/a/12524345/12005228
+    printf "%s" "$(echo "$url" | cut -f2-)" | xsel --clipboard --input
+    notify-send --icon=utilities-terminal --expire-time=2500 "$0" "bookmark link copied to clipboard!"
+  fi
+
+  exit 0
+done