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package di |
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import ( |
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"fmt" |
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"io/ioutil" |
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"log" |
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"net/http" |
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"os" |
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"github.com/getkin/kin-openapi/openapi3" |
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"github.com/getkin/kin-openapi/openapi3filter" |
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"github.com/gorilla/handlers" |
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"github.com/muonsoft/openapi-mock/internal/application/config" |
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responseGenerator "github.com/muonsoft/openapi-mock/internal/openapi/generator" |
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"github.com/muonsoft/openapi-mock/internal/openapi/generator/data" |
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"github.com/muonsoft/openapi-mock/internal/openapi/handler" |
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"github.com/muonsoft/openapi-mock/internal/openapi/loader" |
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"github.com/muonsoft/openapi-mock/internal/openapi/responder" |
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"github.com/muonsoft/openapi-mock/internal/server" |
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"github.com/muonsoft/openapi-mock/internal/server/middleware" |
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"github.com/sirupsen/logrus" |
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"github.com/unrolled/secure" |
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) |
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type Factory struct { |
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configuration *config.Configuration |
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logger logrus.FieldLogger |
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} |
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func NewFactory(configuration *config.Configuration) *Factory { |
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logger := createLogger(configuration) |
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return &Factory{ |
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configuration: configuration, |
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logger: logger, |
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} |
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} |
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func init() { |
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openapi3.DefineStringFormat("uuid", openapi3.FormatOfStringForUUIDOfRFC4122) |
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openapi3.DefineStringFormat("html", "<[^>]+>|&[^;]+;") |
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} |
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func (factory *Factory) GetLogger() logrus.FieldLogger { |
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return factory.logger |
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} |
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func (factory *Factory) CreateSpecificationLoader() loader.SpecificationLoader { |
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return loader.New() |
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} |
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func (factory *Factory) CreateHTTPHandler(router *openapi3filter.Router) http.Handler { |
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generatorOptions := data.Options{ |
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UseExamples: factory.configuration.UseExamples, |
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NullProbability: factory.configuration.NullProbability, |
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DefaultMinInt: factory.configuration.DefaultMinInt, |
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DefaultMaxInt: factory.configuration.DefaultMaxInt, |
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DefaultMinFloat: factory.configuration.DefaultMinFloat, |
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DefaultMaxFloat: factory.configuration.DefaultMaxFloat, |
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SuppressErrors: factory.configuration.SuppressErrors, |
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} |
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dataGeneratorInstance := data.New(generatorOptions) |
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responseGeneratorInstance := responseGenerator.New(dataGeneratorInstance) |
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apiResponder := responder.New() |
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var httpHandler http.Handler |
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httpHandler = handler.NewResponseGeneratorHandler(router, responseGeneratorInstance, apiResponder) |
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if factory.configuration.CORSEnabled { |
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httpHandler = middleware.CORSHandler(httpHandler) |
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} |
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secureMiddleware := secure.New(secure.Options{ |
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FrameDeny: true, |
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ContentTypeNosniff: true, |
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BrowserXssFilter: true, |
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ContentSecurityPolicy: "default-src 'self'", |
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}) |
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httpHandler = secureMiddleware.Handler(httpHandler) |
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httpHandler = middleware.ContextLoggerHandler(factory.logger, httpHandler) |
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httpHandler = middleware.TracingHandler(httpHandler) |
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httpHandler = handlers.CombinedLoggingHandler(os.Stdout, httpHandler) |
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httpHandler = handlers.RecoveryHandler( |
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handlers.RecoveryLogger(factory.logger), |
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handlers.PrintRecoveryStack(true), |
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)(httpHandler) |
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httpHandler = http.TimeoutHandler(httpHandler, factory.configuration.ResponseTimeout, "") |
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return httpHandler |
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} |
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func (factory *Factory) CreateHTTPServer() (server.Server, error) { |
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logger := factory.GetLogger() |
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loggerWriter := logger.(*logrus.Logger).Writer() |
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specificationLoader := factory.CreateSpecificationLoader() |
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specification, err := specificationLoader.LoadFromURI(factory.configuration.SpecificationURL) |
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if err != nil { |
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return nil, fmt.Errorf("failed to load OpenAPI specification from '%s': %w", factory.configuration.SpecificationURL, err) |
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} |
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logger.Infof("OpenAPI specification was successfully loaded from '%s'", factory.configuration.SpecificationURL) |
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router := openapi3filter.NewRouter().WithSwagger(specification) |
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httpHandler := factory.CreateHTTPHandler(router) |
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serverLogger := log.New(loggerWriter, "[HTTP]: ", log.LstdFlags) |
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httpServer := server.New(factory.configuration.Port, httpHandler, serverLogger) |
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logger.WithFields(factory.configuration.Dump()).Info("OpenAPI mock server was created") |
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return httpServer, nil |
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} |
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func createLogger(configuration *config.Configuration) *logrus.Logger { |
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logger := logrus.New() |
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if configuration.DryRun { |
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logger.Out = ioutil.Discard |
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return logger |
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} |
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logger.SetLevel(configuration.LogLevel) |
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if configuration.LogFormat == "json" { |
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logger.SetFormatter(&logrus.JSONFormatter{}) |
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} else { |
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logger.SetFormatter(&logrus.TextFormatter{}) |
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} |
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return logger |
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} |
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muonsoft /
openapi-mock
