/// <summary>
/// Attempts to parse the specified <paramref name="value"/> into an instance of <see cref="GoogleScope"/>.
/// </summary>
/// <param name="value">The alias of a known scope.</param>
/// <param name="scope">The scope if a match was found.</param>
/// <returns><c>true</c> if a matching scope was found; otherwise <c>false</c>.</returns>
public static bool TryParseScope(string value, out GoogleScope scope)
{
scope = null;
if (string.IsNullOrWhiteSpace(value))
{
return(false);
}
value = value.Trim();
switch (value)
{
case "https://www.googleapis.com/auth/userinfo.profile":
scope = GoogleScopes.Profile;
return(true);
case "https://www.googleapis.com/auth/userinfo.email":
scope = GoogleScopes.Email;
return(true);
default:
scope = GoogleScopeGroup.GetAll().SelectMany(x => x.Scopes).FirstOrDefault(x => x.Alias == value);
return(scope != null);
}
}
/// <summary>
/// Initializes a new instance with the specified options.
/// </summary>
/// <param name="state">The state of the application.</param>
/// <param name="scope">The scope of the application.</param>
/// <param name="accessType">Whether the application should be enabled for offline access.</param>
/// <param name="prompt">A list of prompts to present the user. If <see cref="GooglePromptOption.None"/>, the user will be prompted only the first time your app requests access.</param>
public GoogleAuthorizeOptions(string state, string scope, GoogleAccessType accessType, GooglePromptOption prompt)
{
State = state;
Scope = new GoogleScope(scope);
AccessType = accessType;
Prompt = prompt;
}
private string JoinScopes(GoogleScope scope)
{
string result = string.Empty;
bool needsPlus = false;
foreach (GoogleScope value in typeof(GoogleScope).GetEnumValues())
{
if (scope.HasFlag(value))
{
if (needsPlus)
{
result += "+";
}
else
{
needsPlus = true;
}
result += value.GetAttribute <EnumMemberAttribute>().Value;
}
}
return(result);
}
/// <summary>
/// Initializes a new instance with the specified options.
/// </summary>
/// <param name="state">The state of the application.</param>
/// <param name="scope">The scope of the application.</param>
public GoogleAuthorizeOptions(string state, string scope)
{
State = state;
Scope = new GoogleScope(scope);
}
public string GetAdditionalScope(GoogleScope scope)
{
return($"+{JoinScopes(scope)}");
}
public Uri CreateAuthUri(IYoutubeClient client, YoutubeRedirectUri redirectUri, GoogleScope scope)
{
string scopeString = JoinScopes(scope);
string redirectUriString = redirectUri.GetAttribute <EnumMemberAttribute>().Value;
string authRequestString = $"https://accounts.google.com/o/oauth2/auth?client_id={client.Id}&redirect_uri={redirectUriString}&scope={scopeString}&response_type=code&approval_prompt=force&access_type=offline";
return(new Uri(authRequestString));
}
