feat: support restore from backup file

scripts/entrypoint.sh

@@ -25,6 +25,16 @@ if [[ "$1" == "mail" ]]; then
     exit 0
 fi
 
+# restore
+if [[ "$1" == "restore" ]]; then
+    . /app/restore.sh
+
+    shift
+    restore $*
+
+    exit 0
+fi
+
 function configure_timezone() {
     if [[ ! -f /etc/localtime || ! -f /etc/timezone ]]; then
         cp -f /usr/share/zoneinfo/${TIMEZONE} /etc/localtime

scripts/includes.sh

@@ -5,6 +5,8 @@ DATA_DB="${DATA_DIR}/db.sqlite3"
 DATA_CONFIG="${DATA_DIR}/config.json"
 DATA_ATTACHMENTS="${DATA_DIR}/attachments"
 BACKUP_DIR="/bitwarden/backup/"
+RESTORE_DIR="/bitwarden/restore/"
+
 #################### Function ####################
 ########################################
 # Print colorful message.

scripts/restore.sh

@@ -0,0 +1,135 @@
+#!/bin/sh
+
+. /app/includes.sh
+
+RESTORE_FILE_DB=""
+RESTORE_FILE_CONFIG=""
+RESTORE_FILE_ATTACHMENTS=""
+RESTORE_FILE_ZIP=""
+ZIP_PASSWORD=""
+
+function restore_zip() {
+    color blue "restore bitwarden_rs backup zip file"
+}
+
+function restore_db() {
+    color blue "restore bitwarden_rs sqlite database"
+
+    cp -f ${RESTORE_FILE_DB} ${DATA_DB}
+
+    if [[ $? == 0 ]]; then
+        color green "restore bitwarden_rs sqlite database successful"
+    else
+        color red "restore bitwarden_rs sqlite database failed"
+    fi
+}
+
+function restore_config() {
+    color blue "restore bitwarden_rs config"
+
+    cp -f ${RESTORE_FILE_CONFIG} ${DATA_CONFIG}
+
+    if [[ $? == 0 ]]; then
+        color green "restore bitwarden_rs config successful"
+    else
+        color red "restore bitwarden_rs config failed"
+    fi
+}
+
+function restore_attachments() {
+    color blue "restore bitwarden_rs attachments"
+
+    rm -rf ${DATA_ATTACHMENTS}
+    tar -x -C ${DATA_DIR} -f ${RESTORE_FILE_ATTACHMENTS}
+
+    if [[ $? == 0 ]]; then
+        color green "restore bitwarden_rs attachments successful"
+    else
+        color red "restore bitwarden_rs attachments failed"
+    fi
+}
+
+function check_restore_file_exist() {
+    if [[ ! -f "${RESTORE_DIR}/$1" ]]; then
+        color red "$2: cannot access $1: No such file"
+        exit 1
+    fi
+}
+
+function restore_file() {
+    if [[ -n "${RESTORE_FILE_ZIP}" ]]; then
+        check_restore_file_exist ${RESTORE_FILE_ZIP} "--zip-file"
+
+        RESTORE_FILE_ZIP="${RESTORE_DIR}/${RESTORE_FILE_ZIP}"
+
+        restore_zip
+    else
+        if [[ -n "${RESTORE_FILE_DB}" ]]; then
+            check_restore_file_exist ${RESTORE_FILE_DB} "--db-file"
+
+            RESTORE_FILE_DB="${RESTORE_DIR}/${RESTORE_FILE_DB}"
+        fi
+
+        if [[ -n "${RESTORE_FILE_CONFIG}" ]]; then
+            check_restore_file_exist ${RESTORE_FILE_CONFIG} "--config-file"
+
+            RESTORE_FILE_CONFIG="${RESTORE_DIR}/${RESTORE_FILE_CONFIG}"
+        fi
+
+        if [[ -n "${RESTORE_FILE_ATTACHMENTS}" ]]; then
+            check_restore_file_exist ${RESTORE_FILE_ATTACHMENTS} "--attachments-file"
+
+            RESTORE_FILE_ATTACHMENTS="${RESTORE_DIR}/${RESTORE_FILE_ATTACHMENTS}"
+        fi
+
+        if [[ -n "${RESTORE_FILE_DB}" ]]; then
+            restore_db
+        fi
+        if [[ -n "${RESTORE_FILE_CONFIG}" ]]; then
+            restore_config
+        fi
+        if [[ -n "${RESTORE_FILE_ATTACHMENTS}" ]]; then
+            restore_attachments
+        fi
+    fi
+}
+
+function restore() {
+    while [[ $# -gt 0 ]]; do
+        case "$1" in
+            -p|--password)
+                shift
+                ZIP_PASSWORD="$1"
+                shift
+                ;;
+            --zip-file)
+                shift
+                RESTORE_FILE_ZIP=$(basename "$1")
+                shift
+                ;;
+            --db-file)
+                shift
+                RESTORE_FILE_DB=$(basename "$1")
+                shift
+                ;;
+            --config-file)
+                shift
+                RESTORE_FILE_CONFIG=$(basename "$1")
+                shift
+                ;;
+            --attachments-file)
+                shift
+                RESTORE_FILE_ATTACHMENTS=$(basename "$1")
+                shift
+                ;;
+            *)
+                color red "Illegal input"
+                exit 1
+                ;;
+        esac
+    done
+
+    mkdir -p ${DATA_DIR}
+
+    restore_file
+}