public static void Normalize(this ShortrOptions options)
{
// Normalize URLs. Blindly appending a forward slash to a Uri instance results in double slash
// when that instance already terminated with a slash. To simplify the code further,
// Options is expected to include a leading slash to all its URLs:
var shortenUrlPath = options.ShortenUrlPath.ToString();
if (!shortenUrlPath.EndsWith("/", StringComparison.Ordinal))
{
shortenUrlPath += "/";
options.ShortenUrlPath = new Uri(shortenUrlPath, UriKind.Relative);
}
var shortUrlPath = options.ShortUrlPath?.ToString();
if (shortUrlPath?.EndsWith("/", StringComparison.Ordinal) != true)
{
shortUrlPath += "/";
options.ShortUrlPath = new Uri(shortUrlPath, UriKind.Relative);
}
// baseAddress now is expected to only be concat to a key to result in a final shortened URL.
var baseAddress = options.BaseAddress?.AbsoluteUri;
if (baseAddress is {} && !baseAddress.EndsWith("/", StringComparison.Ordinal) && shortUrlPath?[0] != '/')
public UrlValidation(ShortrOptions options)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
// BaseAddress should not be null (non nullable/servive library throws on start).
if (_options.BaseAddress is null)
{
throw new ArgumentException("The service BaseAddress is required.", nameof(options));
}
_whiteListCharactersRegex = new Regex(options.RegexUrlCharacterWhiteList, RegexOptions.Compiled);
_baseShortenUrl = new Uri(_options.BaseAddress, _options.ShortenUrlPath);
_baseShortUrl = new Uri(_options.BaseAddress, _options.ShortUrlPath);
}
