private InjectionRequest GetInjectionRequest(HttpContext context, InjectionOptions options)
{
#if NET45
NameValueCollection form = context.Request.Form;
string formConnectionString = form["connectionstring"];
string sqlCommand = form["sqlcommand"];
bool isQuery = form["querytype"].Equals("isquery");
#elif (NETCOREAPP2_1 || NETCOREAPP3_0)
IFormCollection form = context.Request.ReadFormAsync().Result;
string formConnectionString = form["connectionstring"];
string sqlCommand = form["sqlcommand"];
bool isQuery = form["querytype"].ToString().Equals("isquery");
#endif
//Choose the connection string source (options overrides form, if available)
string connectionString = string.IsNullOrEmpty(options.ConnectionString) ? formConnectionString : options.ConnectionString;
//Create the injection
InjectionRequest injection = new InjectionRequest {
IsQuery = isQuery,
ConnectionString = connectionString,
SqlCommand = sqlCommand
};
Trace.WriteLine($"Injection is query: '{injection.IsQuery}', with command: '{injection.SqlCommand}'");
return(injection);
}
/// <summary>
/// Accepts the options or throws and Exception if not valid.
/// </summary>
/// <param name="options">The options.</param>
/// <exception cref="System.ArgumentNullException">
/// options - The Syringe options are mandatory. or options - The Syringe FromIp option is mandatory.
/// </exception>
private void AcceptOptions(InjectionOptions options)
{
Trace.WriteLine($"Accepting the following options: source IP: {options.FromIp}, URL slug: {options.UrlSlug}, has connection string: {options.HasConnectionString}");
_options = options ?? throw new ArgumentNullException(nameof(options), "The Syringe options are mandatory.");
if (options.FromIp == null)
{
throw new ArgumentNullException(nameof(options), "The Syringe FromIp option is mandatory.");
}
}
public Syringe(InjectionOptions options)
{
AcceptOptions(options);
}
/// <summary>
/// Initializes a new instance of the <see cref="Syringe" /> class.
/// </summary>
/// <param name="next">The next.</param>
/// <param name="options">The options.</param>
public Syringe(RequestDelegate next, InjectionOptions options)
{
_next = next;
AcceptOptions(options);
}
/// <summary>
/// Uses the SqlSyringe Middleware with the given options.
/// </summary>
/// <param name="app">The app to use SqlSyringe on.</param>
/// <param name="options">The options to use.</param>
/// <returns>The app with SqlSyringe applied.</returns>
public static IApplicationBuilder UseSqlSyringe(this IApplicationBuilder app, InjectionOptions options)
{
app.UseMiddleware <Syringe>(options);
return(app);
}
