common

package
v0.98.0 Latest Latest
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 Go to latest Published: Jun 2, 2021 License: Apache-2.0 Imports: 24 Imported by: 9

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Constants

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const DefaultReplacementText = "****************"

Variables

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var ErrHandlerTimeout = errors.New("http: Handler timeout")

ErrHandlerTimeout is returned on ResponseWriter Write calls in handlers which have timed out.

Functions

func AddTraceIDToContext 

func AddTraceIDToContext(ctx context.Context, id uuid.UUID, wasProvided bool) context.Context

func CheckContextTimeout 

func CheckContextTimeout(ctx context.Context, message string, cause error) error

func CoreRequestContextMiddleware 

func CoreRequestContextMiddleware(logger *logrus.Logger) func(next http.Handler) http.Handler

func CoreRequestContextMiddlewareWithContext added in v0.38.0 

func CoreRequestContextMiddlewareWithContext(ctx context.Context) func(next http.Handler) http.Handler

func CreateDownstreamError 

func CreateDownstreamError(ctx context.Context, kind Kind, response *http.Response, body []byte, cause error) error

func CreateError 

func CreateError(ctx context.Context, kind Kind, message string, cause error) error

func FindConfigFilename 

func FindConfigFilename(cfgDir, prefix string) string

func GetLogEntryFromContext deprecated 

func GetLogEntryFromContext(ctx context.Context) *logrus.Entry

Deprecated: Use ServerParams.WithPkgLogger instead.

func GetLoggerFromContext deprecated 

func GetLoggerFromContext(ctx context.Context) *logrus.Logger

Deprecated: Use ServerParams.WithPkgLogger instead.

func GetTraceIDFromContext 

func GetTraceIDFromContext(ctx context.Context) uuid.UUID

func HandleError 

func HandleError(ctx context.Context, w http.ResponseWriter, kind Kind, message string, cause error, httpErrorMapper func(context.Context, error) *HTTPError)

func LoadAndValidateFromYAMLFileName 

func LoadAndValidateFromYAMLFileName(filename string, out validator.Validator) error

func LoggerToContext 

func LoggerToContext(ctx context.Context, logger *logrus.Logger, entry *logrus.Entry) context.Context

LoggerToContext creates a new context containing the logger. Deprecated: Use ServerParams.WithPkgLogger instead.

func NewBool 

func NewBool(b bool) *bool

func NewLoggingRoundTripper 

func NewLoggingRoundTripper(name string, base http.RoundTripper) http.RoundTripper

func NewString 

func NewString(s string) *string

func NewTestCoreRequestContext 

func NewTestCoreRequestContext() (*logrus.Logger, *test.Hook, context.Context)

func NewTestCoreRequestContextWithLogger 

func NewTestCoreRequestContextWithLogger(logger *logrus.Logger) context.Context

func ProvisionRestResult added in v0.69.0 

func ProvisionRestResult(ctx context.Context) context.Context

ProvisionRestResult provisions within the context the ability to retrieve the result of a rest request.

func RequestHeaderFromContext 

func RequestHeaderFromContext(ctx context.Context) http.Header

RequestHeaderFromContext retrieves the request header from the context.

func RequestHeaderToContext 

func RequestHeaderToContext(ctx context.Context, header http.Header) context.Context

RequestHeaderToContext creates a new context containing the request header.

func RespHeaderAndStatusFromContext 

func RespHeaderAndStatusFromContext(ctx context.Context) (header http.Header, status int)

RespHeaderAndStatusFromContext retrieves response header and status from the context.

func RespHeaderAndStatusToContext 

func RespHeaderAndStatusToContext(ctx context.Context, header http.Header, status int) context.Context

RespHeaderAndStatusToContext creates a new context containing the response header and status.

func Timeout 

func Timeout(ctx context.Context, timeout time.Duration, timeoutHandler http.Handler) func(next http.Handler) http.Handler

Timeout is a middleware that cancels ctx after a given timeout or call a special handler on timeout.

func TimeoutHandler 

func TimeoutHandler(ctx context.Context, h http.Handler, dt time.Duration, timeout http.Handler) http.Handler

TimeoutHandler returns a Handler that runs h with the given time limit.

The new Handler calls h.ServeHTTP to handle each request, but if a call runs for longer than its time limit, the handler calls the error handler which can then return a HTTP result however is deems correct. After such a timeout, writes by h to its ResponseWriter will return ErrHandlerTimeout.

TimeoutHandler buffers all Handler writes to memory and does not support the Hijacker or Flusher interfaces.

func TraceabilityMiddleware 

func TraceabilityMiddleware(ctx context.Context) func(next http.Handler) http.Handler

Injects a traceId UUID into the request context.

func TryGetTraceIDFromContext 

func TryGetTraceIDFromContext(ctx context.Context) (uuid.UUID, bool)

func UpdateResponseStatus 

func UpdateResponseStatus(ctx context.Context, status int) error

func WrappedError added in v0.31.0 

func WrappedError(err error, fields ...KV) error

Types

type Callback 

type Callback struct {
	UpstreamTimeout   time.Duration
	DownstreamTimeout time.Duration
	RouterBasePath    string
	UpstreamConfig    validator.Validator
	MapErrorFunc      func(ctx context.Context, err error) *HTTPError
}

func DefaultCallback 

func DefaultCallback() Callback

func (Callback) AddMiddleware 

func (g Callback) AddMiddleware(ctx context.Context, r chi.Router)

func (Callback) BasePath 

func (g Callback) BasePath() string

func (Callback) Config 

func (g Callback) Config() interface{}

func (Callback) DownstreamTimeoutContext 

func (g Callback) DownstreamTimeoutContext(ctx context.Context) (context.Context, context.CancelFunc)

func (Callback) HandleError 

func (g Callback) HandleError(ctx context.Context, w http.ResponseWriter, kind Kind, message string, cause error)

func (Callback) MapError added in v0.58.0 

func (g Callback) MapError(ctx context.Context, err error) *HTTPError

type Config 

type Config struct{}

func (Config) Validate 

func (c Config) Validate() error

type CustomError added in v0.5.0 

type CustomError map[string]string

func (CustomError) Error added in v0.5.0 

func (e CustomError) Error() string

func (CustomError) HTTPError added in v0.5.0 

func (e CustomError) HTTPError(ctx context.Context) *HTTPError

type DownstreamError 

type DownstreamError struct {
	Kind     Kind
	Response *http.Response
	Body     []byte
	Cause    error
}

func (*DownstreamError) Error 

func (e *DownstreamError) Error() string

func (*DownstreamError) ErrorKind 

func (e *DownstreamError) ErrorKind() Kind

func (*DownstreamError) Unwrap 

func (e *DownstreamError) Unwrap() error

type ErrorKinder 

type ErrorKinder interface {
	ErrorKind() Kind
}

type HTTPError 

type HTTPError struct {
	HTTPCode    int    `json:"-"`
	Code        string `json:"code,omitempty"`
	Description string `json:"description,omitempty"`
	// contains filtered or unexported fields
}

func MapError added in v0.5.0 

func MapError(ctx context.Context, err error) HTTPError

func (*HTTPError) AddField added in v0.31.0 

func (httpError *HTTPError) AddField(key string, val interface{})

func (*HTTPError) WriteError 

func (httpError *HTTPError) WriteError(ctx context.Context, w http.ResponseWriter)

type KV added in v0.31.0 

type KV struct {
	K string
	V interface{}
}

type Kind 

type Kind int
const (
	UnknownError Kind = iota
	BadRequestError
	InternalError
	UnauthorizedError
	DownstreamUnavailableError
	DownstreamTimeoutError
	DownstreamUnauthorizedError       // 401 from downstream
	DownstreamUnexpectedResponseError // unexpected response from downstream
	DownstreamResponseError           // application-leve error response from downstream
)

func (Kind) String 

func (k Kind) String() string

type MockRoundTripper 

type MockRoundTripper struct {
	mock.Mock
}

func (*MockRoundTripper) RoundTrip 

func (m *MockRoundTripper) RoundTrip(req *http.Request) (*http.Response, error)

type RestResult added in v0.69.0 

type RestResult struct {
	StatusCode int
	Headers    map[string][]string
	Body       []byte
}

func GetRestResult added in v0.69.0 

func GetRestResult(ctx context.Context) *RestResult

GetRestResult gets the result of the most recent rest request. The context must be provisioned prior to the request taking place with a call to ProvisionRestResult.

type RestResultContextKey added in v0.69.0 

type RestResultContextKey struct{}

type SensitiveString 

type SensitiveString struct {
	// contains filtered or unexported fields
}

func NewSensitiveString 

func NewSensitiveString(from string) SensitiveString

func (*SensitiveString) MarshalJSON 

func (s *SensitiveString) MarshalJSON() ([]byte, error)

func (SensitiveString) MarshalYAML 

func (s SensitiveString) MarshalYAML() (interface{}, error)

Note, this one needs to be an object receiver NOT a pointer receiver.

func (SensitiveString) String 

func (s SensitiveString) String() string

func (*SensitiveString) UnmarshalJSON 

func (s *SensitiveString) UnmarshalJSON(data []byte) error

func (*SensitiveString) UnmarshalYAML 

func (s *SensitiveString) UnmarshalYAML(unmarshal func(interface{}) error) error

func (*SensitiveString) Value 

func (s *SensitiveString) Value() string

type ServerError 

type ServerError struct {
	Kind    Kind
	Message string
	Cause   error
}

func (*ServerError) Error 

func (e *ServerError) Error() string

func (*ServerError) ErrorKind 

func (e *ServerError) ErrorKind() Kind

func (*ServerError) Unwrap 

func (e *ServerError) Unwrap() error

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