101 lines
3.3 KiB
Bash
Executable File
101 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This file is part of I38.
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# I38 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation,
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# either version 3 of the License, or (at your option) any later version.
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# I38 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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# PURPOSE. See the GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License along with I38. If not, see <https://www.gnu.org/licenses/>.
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screenlockPinHash=""
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scriptPath="$(readlink -f "$0")"
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scriptDir="${scriptPath%/*}"
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i3Path="${scriptDir%/scripts}"
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pinFile="${i3Path}/.screenpin"
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if [[ -f "$pinFile" ]]; then
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read -r screenlockPinHash < "$pinFile"
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fi
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if [[ -z "$screenlockPinHash" ]]; then
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yad --title "I38" --text "Screen lock is not configured. Run i38.sh and set a 4-digit PIN to enable it." --button "Close:0"
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exit 1
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fi
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if ! command -v yad &> /dev/null; then
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exit 1
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fi
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if ! command -v jq &> /dev/null; then
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yad --title "I38" --text "Screen lock requires jq to determine the current workspace." --button "Close:0"
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exit 1
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fi
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if ! command -v sha512sum &> /dev/null; then
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yad --title "I38" --text "Screen lock requires sha512sum to validate the PIN." --button "Close:0"
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exit 1
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fi
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wmMsg="i3-msg"
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if [[ -n "${SWAYSOCK:-}" ]] && command -v swaymsg &> /dev/null; then
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wmMsg="swaymsg"
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elif [[ -n "${I3SOCK:-}" ]] && command -v i3-msg &> /dev/null; then
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wmMsg="i3-msg"
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elif command -v swaymsg &> /dev/null; then
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wmMsg="swaymsg"
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elif command -v i3-msg &> /dev/null; then
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wmMsg="i3-msg"
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else
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yad --title "I38" --text "No i3 or sway command interface was found for screen lock." --button "Close:0"
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exit 1
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fi
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currentWorkspace="$($wmMsg -t get_workspaces | jq -r '.[] | select(.focused==true) | .name')"
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lockWorkspace="i38-lock"
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if $wmMsg -t get_workspaces | jq -e --arg name "$lockWorkspace" '.[] | select(.name==$name)' &> /dev/null; then
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lockWorkspace="i38-lock-$$"
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fi
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$wmMsg -t command "workspace --no-auto-back-and-forth \"$lockWorkspace\"" &> /dev/null
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$wmMsg -t command "mode screenlock" &> /dev/null
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attemptCount=0
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while : ; do
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if [[ $attemptCount -eq 0 ]]; then
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promptText="Screen lock is enabled. Enter your 4-digit PIN to unlock."
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else
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promptText="Incorrect PIN. Enter your 4-digit PIN to unlock."
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fi
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pinInput="$(yad --entry --hide-text --title "I38" --text "$promptText" --entry-label "Screen lock PIN" --button "Unlock:0" --on-top --sticky --skip-taskbar --fixed --center --undecorated --fullscreen --no-escape)"
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yadResult=$?
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if [[ $yadResult -ne 0 ]]; then
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attemptCount=$((attemptCount + 1))
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continue
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fi
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if [[ ! "$pinInput" =~ ^[0-9]{4}$ ]]; then
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attemptCount=$((attemptCount + 1))
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continue
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fi
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pinHash="$(printf "%s" "$pinInput" | sha512sum | awk '{print $1}')"
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unset pinInput
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if [[ "$pinHash" == "$screenlockPinHash" ]]; then
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break
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fi
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attemptCount=$((attemptCount + 1))
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done
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$wmMsg -t command "mode default" &> /dev/null
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if [[ -n "$currentWorkspace" ]]; then
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$wmMsg -t command "workspace \"$currentWorkspace\"" &> /dev/null
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fi
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exit 0
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