Aegis → Bitwarden Migration

Aegis-Bitwarden.ps1

<#
    .SYNOPSIS
        Converts Aegis data file to Bitwarden format
    .DESCRIPTION
        This is a way to import Aegis TOTP records to Bitwarden
    .NOTES
        * Export unencrypted *.JSON file from Aegis App
        * Edit $AegisExportFile
        * Run script
        * Import *.JSON.Bitwarden.csv as Bitwarden CSV format
        You'll find new TOTP accounts at "Aegis import YYYYMMDD" folder
        Also, you have to add URLs to new accounts manually.
        Tested on Aegis 2.1.3, Vaultwarden 2023.3.0, Linux Powershell 7.3.4
    .LINK
        https://github.com/beemdevelopment/Aegis
        https://github.com/dani-garcia/vaultwarden
#>

# Path to unencrypted Aegis backup file
$AegisExportFile = '~/Рабочий стол/aegis-export-plain-3390701544822992525.json'

# An import sanitizer
$ErrorActionPreference = 'Stop'
(Get-Content $AegisExportFile | ConvertFrom-Json).db.entries | 
    # Yandex, Steam and other non-standard algos ignored
    Where-Object {$PSItem.info.algo -EQ 'SHA1'} |
    ForEach-Object {
        # CSV template from https://bitwarden.com/help/condition-bitwarden-import/
        [ordered]@{
            folder = 'Aegis import ' + (Get-Date -Format FileDate)
            favorite = ''
            type = 'login'
            name = $PSItem.issuer
            notes = ''
            fields = ''
            reprompt = 0
            login_uri = ''
            login_username = $PSItem.name
            login_password = ''
            login_totp = $PSItem.info.secret
        }
    } |
    Export-Csv -NoTypeInformation -QuoteFields $false -Encoding utf8 -Path ($AegisExportFile + '.Bitwarden.csv')