public GraphQLMiddleware(RequestDelegate next, GraphQLSettings settings, IDocumentExecuter executer, IDocumentWriter writer)
{
this.next = next;
this.settings = settings;
this.executer = executer;
this.writer = writer;
}
public GraphQLMiddleware(RequestDelegate next, GraphQLSettings settings, IDocumentWriter writer, IDocumentExecuter executor)
{
_next = next;
_settings = settings;
_writer = writer;
_executor = executor;
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphQLController"/> class.
/// </summary>
/// <param name="schema">The schema.</param>
/// <param name="graphQLSettings">The graph ql settings.</param>
/// <param name="documentExecuter">The document executer.</param>
/// <param name="serviceProvider">The service provider.</param>
public GraphQLController(ISchema schema,
GraphQLSettings graphQLSettings,
IDocumentExecuter documentExecuter,
IServiceProvider serviceProvider)
{
_schema = schema;
_graphQLSettings = graphQLSettings;
_documentExecuter = documentExecuter;
_serviceProvider = serviceProvider;
}
// ReSharper disable once UnusedParameter.Local
public GraphityMiddleware(RequestDelegate next,
IDocumentExecuter documentExecuter,
ISchema schema,
GraphQLSettings settings,
IEnumerable <IValidationRule> validationRules)
{
_documentExecuter = documentExecuter;
_schema = schema;
_settings = settings;
_validationRules = validationRules;
}
public GraphQLMiddleware(
RequestDelegate next,
GraphQLSettings settings,
IDocumentExecuter executer,
IDocumentWriter writer,
IEnumerable <IValidationRule> rules)
{
_next = next;
_settings = settings;
_executer = executer;
_writer = writer;
_rules = rules;
}
public GraphController
(
GraphQLSettings settings,
IHostingEnvironment env,
IDocumentExecuter executer,
IDocumentWriter writer,
ISchema schema
)
{
_settings = settings;
_env = env;
_executer = executer;
_writer = writer;
_schema = schema;
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
bool.TryParse(Configuration["GraphQL:ExposeExceptions"], out var exposeExceptions);
bool.TryParse(Configuration["GraphQL:EnableMetrics"], out var enableMetrics);
int.TryParse(Configuration["GraphQL:MaxQueryDepth"], out var maxQueryDepth);
var settings = new GraphQLSettings
{
Path = "/graphql",
BuildUserContext = CreateUserContext,
EnableMetrics = exposeExceptions,
ExposeExceptions = enableMetrics,
MaxQueryDepth = maxQueryDepth == 0 ? 15 : maxQueryDepth
};
var validationRules = app.ApplicationServices.GetServices <IValidationRule>();
settings.ValidationRules.AddRange(validationRules);
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();
//app.UseAuthentication();
//app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller=Home}/{action=Index}/{id?}");
});
app.UseMiddleware <GraphQLMiddleware>(settings);
app.UseGraphQLPlayground(new GraphQLPlaygroundOptions()
{
Path = new PathString("/ui/playground")
});
}
// ReSharper disable once UnusedParameter.Local
public GraphityMiddleware(RequestDelegate next,
IDocumentExecuter documentExecuter,
ISchema schema,
GraphQLSettings settings,
IEnumerable <IValidationRule> validationRules,
IHttpContextAccessor httpContextAccessor)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
_documentExecuter = documentExecuter;
_schema = schema;
_settings = settings;
_validationRules = validationRules;
_httpContextAccessor = httpContextAccessor;
}
public static void UseGraphQLWithAuth <TSchema>(this IApplicationBuilder app) where TSchema : Schema
{
var settings = new GraphQLSettings
{
BuildUserContext = async ctx =>
{
var userContext = new GraphQLUserContext
{
User = ctx.User
};
return(await Task.FromResult(userContext).ConfigureAwait(false));
}
};
var rules = app.ApplicationServices.GetServices <IValidationRule>();
settings.ValidationRules.AddRange(rules);
app.UseGraphQL <TSchema>();
}
public static void UseGraphQLWithAuth(this IApplicationBuilder app)
{
var settings = new GraphQLSettings
{
BuildUserContext = async ctx =>
{
var userContext = new GraphQLUserContext
{
User = ctx.User
};
return(await Task.FromResult(userContext));
}
};
var rules = app.ApplicationServices.GetServices <IValidationRule>();
settings.ValidationRules.AddRange(rules);
app.UseMiddleware <PlaygroundMiddleware>(settings);
}
public async Task <IActionResult> Post([FromBody] GraphQLRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
//var files = Request.Form.Files;
var settings = new GraphQLSettings
{
Path = "/api/graphql",
BuildUserContext = ctx => new GraphQLUserContext
{
User = ctx.User,
//Files = request.File
},
EnableMetrics = false
};
var result = await _documentExecuter.ExecuteAsync(_ =>
{
_.Schema = _schema;
_.Query = request?.Query;
_.OperationName = request?.OperationName;
_.Inputs = request?.Variables.ToInputs();
_.UserContext = settings.BuildUserContext?.Invoke(this.HttpContext);
//_.ValidationRules = DocumentValidator.CoreRules.Concat(new[] { new InputValidationRule() });
_.EnableMetrics = settings.EnableMetrics;
if (settings.EnableMetrics)
{
_.FieldMiddleware.Use <InstrumentFieldsMiddleware>();
}
});
if (result.Errors?.Count > 0)
{
return(BadRequest(result));
}
return(Ok(result));
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseMvc();
app.UseAuthentication();
app.UseAuthorization();
//app.UseGraphiQl();
var settings = new GraphQLSettings
{
BuildUserContext = ctx =>
{
var userContext = new GraphQLUserContext
{
User = ctx.User
};
return(Task.FromResult(userContext));
}
};
var rules = app.ApplicationServices.GetServices <IValidationRule>();
settings.ValidationRules.AddRange(rules);
app.UseMiddleware <GraphQLMiddleware>(settings);
app.UseGraphQLPlayground(new GraphQLPlaygroundOptions
{
Path = "/ui/playground"
});
}