server/src/Core/AdminConsole/Utilities/IntegrationTemplateProcessor.cs

using System.Text.RegularExpressions;

namespace Bit.Core.AdminConsole.Utilities;

public static partial class IntegrationTemplateProcessor
{
    [GeneratedRegex(@"#(\w+)#")]
    private static partial Regex TokenRegex();

    public static string ReplaceTokens(string template, object values)
    {
        if (string.IsNullOrEmpty(template))
        {
            return template;
        }
        var type = values.GetType();
        return TokenRegex().Replace(template, match =>
        {
            var propertyName = match.Groups[1].Value;
            var property = type.GetProperty(propertyName);

            if (property == null)
            {
                return match.Value;  // Return unknown keys as keys - i.e. #Key#
            }

            return property.GetValue(values)?.ToString() ?? string.Empty;
        });
    }

    public static bool TemplateRequiresUser(string template)
    {
        if (string.IsNullOrEmpty(template))
        {
            return false;
        }

        return template.Contains("#UserName#", StringComparison.Ordinal)
               || template.Contains("#UserEmail#", StringComparison.Ordinal)
               || template.Contains("#UserType#", StringComparison.Ordinal);
    }

    public static bool TemplateRequiresActingUser(string template)
    {
        if (string.IsNullOrEmpty(template))
        {
            return false;
        }

        return template.Contains("#ActingUserName#", StringComparison.Ordinal)
               || template.Contains("#ActingUserEmail#", StringComparison.Ordinal)
               || template.Contains("#ActingUserType#", StringComparison.Ordinal);
    }

    public static bool TemplateRequiresGroup(string template)
    {
        if (string.IsNullOrEmpty(template))
        {
            return false;
        }

        return template.Contains("#GroupName#", StringComparison.Ordinal);
    }

    public static bool TemplateRequiresOrganization(string template)
    {
        if (string.IsNullOrEmpty(template))
        {
            return false;
        }

        return template.Contains("#OrganizationName#", StringComparison.Ordinal);
    }
}