web

package
v0.0.0-...-fd23dd1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 21, 2019 License: OSL-3.0 Imports: 12 Imported by: 72

Documentation

Index

Examples

Constants

View Source 
const (
	// INFO notice
	INFO = "info"
	// WARNING notice
	WARNING = "warning"
	// ERROR notice
	ERROR = "error"
)

todo: still necessary?

Variables

View Source 
var (
	// ErrFormNotFound is triggered for missing form values
	ErrFormNotFound = errors.New("form value not found")
	// ErrParamNotFound for missing router params
	ErrParamNotFound = errors.New("param value not found")
	// ErrQueryNotFound for missing query params
	ErrQueryNotFound = errors.New("query value not found")
)

Functions

func Context_ 

func Context_(ctx context.Context, session *Request) context.Context

Context_ saves the Session in the context

func NoCache 

func NoCache(c context.Context, rw http.ResponseWriter)

NoCache is a response hook to enforce no cache headers

func URLTitle 

func URLTitle(title string) string

URLTitle normalizes a title for nice usage in URLs

Example

Example usage of the URLTitle helper function 

fmt.Println(URLTitle("test/a 123 name % / _ - _ test"))

Output:

test_a-123-name-test

Types

type BasicResponse 

type BasicResponse struct {
	Status int
	// contains filtered or unexported fields
}

BasicResponse defines a response with basic attributes

func (*BasicResponse) Apply 

func (br *BasicResponse) Apply(c context.Context, rw http.ResponseWriter) error

Apply sets status and content size of the response

func (*BasicResponse) GetContentLength 

func (br *BasicResponse) GetContentLength() int

GetContentLength returns the content size of the response

func (*BasicResponse) GetStatus 

func (br *BasicResponse) GetStatus() int

GetStatus returns the status of the response

func (*BasicResponse) Hook 

func (br *BasicResponse) Hook(hooks ...ResponseHook) Response

Hook appends hooks to the response

func (*BasicResponse) OnResponse 

func (br *BasicResponse) OnResponse(c context.Context, r *Request, rw http.ResponseWriter)

OnResponse callback to apply hooks

type ContentResponse 

type ContentResponse struct {
	BasicResponse
	Body        io.Reader
	ContentType string
}

ContentResponse contains a response with body

func (*ContentResponse) Apply 

func (cr *ContentResponse) Apply(c context.Context, rw http.ResponseWriter) error

Apply ContentResponse

func (*ContentResponse) Hook 

func (cr *ContentResponse) Hook(hooks ...ResponseHook) Response

Hook appends hooks to the response

type DataResponse 

type DataResponse struct {
	HTTPResponse
	Data interface{}
}

DataResponse returns a response containing data, e.g. as JSON

func (*DataResponse) Apply 

func (r *DataResponse) Apply(c context.Context, w http.ResponseWriter) error

Apply response

func (*DataResponse) Hook 

func (r *DataResponse) Hook(hooks ...ResponseHook) Response

Hook helper deprecated: to be removed

type ErrorResponse 

type ErrorResponse struct {
	Response
	Error error
}

ErrorResponse wraps a response with an error

type GetPartialDataFunc 

type GetPartialDataFunc struct{}

func (*GetPartialDataFunc) Func 

func (*GetPartialDataFunc) Func(c context.Context) interface{}

type HTTPResponse 

type HTTPResponse struct {
	Status uint
	Body   io.Reader
	Header http.Header
	// contains filtered or unexported fields
}

HTTPResponse contains a status and a body

func (*HTTPResponse) Apply 

func (r *HTTPResponse) Apply(c context.Context, w http.ResponseWriter) error

Apply response

func (HTTPResponse) GetContentLength 

func (HTTPResponse) GetContentLength() int

GetContentLength returns the bodies content length

func (*HTTPResponse) GetStatus 

func (r *HTTPResponse) GetStatus() int

GetStatus returns the HTTP status

func (*HTTPResponse) Hook 

func (r *HTTPResponse) Hook(hooks ...ResponseHook) Response

Hook helper deprecated: to be removed

type JSONResponse 

type JSONResponse struct {
	BasicResponse
	Data interface{}
}

JSONResponse returns Data encoded as JSON todo: create a generic data response instead

func (*JSONResponse) Apply 

func (jr *JSONResponse) Apply(c context.Context, rw http.ResponseWriter) error

Apply JSONResponse

func (*JSONResponse) Hook 

func (jr *JSONResponse) Hook(hooks ...ResponseHook) Response

Hook appends hooks to the response

type OnResponse 

type OnResponse interface {
	OnResponse(context.Context, *Request, http.ResponseWriter)
}

OnResponse hook

type Redirect 

type Redirect interface {
	Response
	With(key string, data interface{}) Redirect
}

Redirect response with the ability to add data

type RedirectResponse 

type RedirectResponse struct {
	BasicResponse
	Location string
	// contains filtered or unexported fields
}

RedirectResponse redirect

func (*RedirectResponse) Apply 

func (rr *RedirectResponse) Apply(c context.Context, rw http.ResponseWriter) error

Apply Response

func (*RedirectResponse) Hook 

func (rr *RedirectResponse) Hook(hooks ...ResponseHook) Response

Hook appends hooks to the response

func (*RedirectResponse) OnResponse 

func (rr *RedirectResponse) OnResponse(c context.Context, r *Request, rw http.ResponseWriter)

OnResponse Hook

func (*RedirectResponse) With 

func (rr *RedirectResponse) With(key string, data interface{}) Redirect

With adds data to the web response

type RenderResponse 

type RenderResponse struct {
	DataResponse
	Template string
	// contains filtered or unexported fields
}

RenderResponse renders data

func (*RenderResponse) Apply 

func (r *RenderResponse) Apply(c context.Context, w http.ResponseWriter) error

Apply response

func (*RenderResponse) Hook 

func (r *RenderResponse) Hook(hooks ...ResponseHook) Response

Hook helper deprecated: to be removed

type Request 

type Request struct {
	Values *sync.Map
	// contains filtered or unexported fields
}

Request defines a web request

func FromContext 

func FromContext(ctx context.Context) (*Request, bool)

FromContext retrieves the Request from the context

func RequestFromRequest 

func RequestFromRequest(r *http.Request, session *Session) *Request

RequestFromRequest wraps a http Request

func (*Request) Form 

func (r *Request) Form(n string) ([]string, bool)

Form get POST value

func (*Request) Form1 

func (r *Request) Form1(n string) (string, bool)

Form1 get first POST value

func (*Request) FormAll 

func (r *Request) FormAll() map[string][]string

FormAll get all POST values

func (*Request) LoadParams 

func (r *Request) LoadParams(p map[string]string) *Request

LoadParams load request params

func (*Request) MustForm 

func (r *Request) MustForm(n string) []string

MustForm panics if n is not found

func (*Request) MustForm1 

func (r *Request) MustForm1(n string) string

MustForm1 panics if n is not found

func (*Request) MustParam1 

func (r *Request) MustParam1(n string) string

MustParam1 panics if n is not found

func (*Request) MustQuery 

func (r *Request) MustQuery(n string) []string

MustQuery panics if n is not found

func (*Request) MustQuery1 

func (r *Request) MustQuery1(n string) string

MustQuery1 panics if n is not found

func (*Request) Param1 

func (r *Request) Param1(n string) (string, bool)

Param1 get first querystring param

func (*Request) ParamAll 

func (r *Request) ParamAll() map[string]string

ParamAll get all querystring params

func (*Request) Query 

func (r *Request) Query(n string) ([]string, bool)

Query looks up Raw Query map for Param

func (*Request) Query1 

func (r *Request) Query1(n string) (string, bool)

Query1 looks up Raw Query map for First Param

func (*Request) QueryAll 

func (r *Request) QueryAll() map[string][]string

QueryAll returns a Map of the Raw Query

func (*Request) RemoteAddress 

func (r *Request) RemoteAddress() []string

RemoteAddress get the requests real remote address

func (*Request) Request 

func (r *Request) Request() *http.Request

Request get the requests request

func (*Request) Session 

func (r *Request) Session() *Session

Session returns the ctx Session

func (*Request) WithVars 

func (r *Request) WithVars(vars map[string]string) *Request

WithVars loads parameters

type Responder 

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

Responder generates responses

func (*Responder) Data 

func (r *Responder) Data(data interface{}) *DataResponse

Data returns a data response which can be serialized

func (*Responder) Forbidden 

func (r *Responder) Forbidden(err error) *ServerErrorResponse

Forbidden creates a 403 error response

func (*Responder) HTTP 

func (r *Responder) HTTP(status uint, body io.Reader) *HTTPResponse

HTTP Response generator

func (*Responder) Inject 

func (r *Responder) Inject(engine template.Engine, router ReverseRouter, cfg *struct {
	TemplateForbidden     string `inject:"config:flamingo.template.err403"`
	TemplateNotFound      string `inject:"config:flamingo.template.err404"`
	TemplateUnavailable   string `inject:"config:flamingo.template.err503"`
	TemplateErrorWithCode string `inject:"config:flamingo.template.errWithCode"`
}) *Responder

Inject Responder dependencies

func (*Responder) NotFound 

func (r *Responder) NotFound(err error) *ServerErrorResponse

NotFound creates a 404 error response

func (*Responder) Render 

func (r *Responder) Render(tpl string, data interface{}) *RenderResponse

Render creates a render response, with the supplied template and data

func (*Responder) RouteRedirect 

func (r *Responder) RouteRedirect(to string, data map[string]string) *RouteRedirectResponse

RouteRedirect generator

func (*Responder) ServerError 

func (r *Responder) ServerError(err error) *ServerErrorResponse

ServerError creates a 500 error response

func (*Responder) ServerErrorWithCodeAndTemplate 

func (r *Responder) ServerErrorWithCodeAndTemplate(err error, tpl string, status uint) *ServerErrorResponse

ServerErrorWithCodeAndTemplate error response with template and http status code

func (*Responder) TODO 

func (r *Responder) TODO() *HTTPResponse

TODO creates a 501 Not Implemented response

func (*Responder) URLRedirect 

func (r *Responder) URLRedirect(url *url.URL) *URLRedirectResponse

URLRedirect returns a 303 redirect to a given URL

func (*Responder) Unavailable 

func (r *Responder) Unavailable(err error) *ServerErrorResponse

Unavailable creates a 503 error response

type Response 

type Response interface {
	// Apply executes the response on the http.ResponseWriter
	Apply(context.Context, http.ResponseWriter) error
	GetStatus() int
	GetContentLength() int
	Hook(...ResponseHook) Response
}

Response defines the generic web response

type ResponseHook 

type ResponseHook func(c context.Context, rw http.ResponseWriter)

func AddHeader 

func AddHeader(k, v string) ResponseHook

AddHeader adds headers in a response hook

type ReverseRouter 

type ReverseRouter interface {
	URL(name string, params map[string]string) *url.URL
}

ReverseRouter for RouteRedirect Responses

type RouteRedirectResponse 

type RouteRedirectResponse struct {
	HTTPResponse
	To   string
	Data map[string]string
	// contains filtered or unexported fields
}

RouteRedirectResponse redirects to a certain route

func (*RouteRedirectResponse) Apply 

func (r *RouteRedirectResponse) Apply(c context.Context, w http.ResponseWriter) error

Apply response

func (*RouteRedirectResponse) Hook 

func (r *RouteRedirectResponse) Hook(hooks ...ResponseHook) Response

Hook helper deprecated: to be removed

type ServeHTTPResponse 

type ServeHTTPResponse struct {
	*VerboseResponseWriter
	BasicResponse
}

ServeHTTPResponse wraps the original response with a VerboseResponseWriter

func (*ServeHTTPResponse) Apply 

func (shr *ServeHTTPResponse) Apply(c context.Context, rw http.ResponseWriter) error

Apply Response (empty, it has already been applied)

func (*ServeHTTPResponse) Hook 

func (shr *ServeHTTPResponse) Hook(hooks ...ResponseHook) Response

Hook appends hooks to the response

type ServerErrorResponse 

type ServerErrorResponse struct {
	RenderResponse
	Error error
}

ServerErrorResponse returns a server error, by default http 500

func (*ServerErrorResponse) Apply 

func (r *ServerErrorResponse) Apply(c context.Context, w http.ResponseWriter) error

Apply response

func (*ServerErrorResponse) Hook 

func (r *ServerErrorResponse) Hook(hooks ...ResponseHook) Response

Hook helper deprecated: to be removed

type Session 

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

func NewSession 

func NewSession(s *sessions.Session) *Session

NewSession wraps a gorilla session

func (*Session) AddFlash 

func (s *Session) AddFlash(value interface{}, vars ...string)

AddFlash adds a flash message to the session.

A single variadic argument is accepted, and it is optional: it defines the flash key. If not defined "_flash" is used by default.

func (*Session) Delete 

func (s *Session) Delete(key interface{})

Delete a given key from the session

func (*Session) Flashes 

func (s *Session) Flashes(vars ...string) []interface{}

Flashes returns a slice of flash messages from the session.

A single variadic argument is accepted, and it is optional: it defines the flash key. If not defined "_flash" is used by default.

func (*Session) G 

func (s *Session) G() *sessions.Session

G access gorilla subsession deprecated: kept for backwards compatibility

func (*Session) ID 

func (s *Session) ID() (id string)

ID returns the Session id

func (*Session) Load 

func (s *Session) Load(key interface{}) (data interface{}, ok bool)

Load data by a key

func (*Session) Store 

func (s *Session) Store(key interface{}, data interface{})

Store data with a key in the Session

func (*Session) Try 

func (s *Session) Try(key interface{}) (data interface{})

Load data by a key

type SetPartialDataFunc 

type SetPartialDataFunc struct{}

func (*SetPartialDataFunc) Func 

func (*SetPartialDataFunc) Func(c context.Context) interface{}

type URLRedirectResponse 

type URLRedirectResponse struct {
	HTTPResponse
	URL *url.URL
}

URLRedirectResponse redirects to a certain URL

func (*URLRedirectResponse) Apply 

func (r *URLRedirectResponse) Apply(c context.Context, w http.ResponseWriter) error

Apply response

func (*URLRedirectResponse) Hook 

func (r *URLRedirectResponse) Hook(hooks ...ResponseHook) Response

Hook helper deprecated: to be removed

type VerboseResponseWriter 

type VerboseResponseWriter struct {
	http.ResponseWriter
	Status int
	Size   int
}

VerboseResponseWriter shadows http.ResponseWriter and tracks written bytes and result Status for logging.

func (*VerboseResponseWriter) Write 

func (response *VerboseResponseWriter) Write(data []byte) (int, error)

Write calls http.ResponseWriter.Write and records the written bytes.

func (*VerboseResponseWriter) WriteHeader 

func (response *VerboseResponseWriter) WriteHeader(h int)

WriteHeader calls http.ResponseWriter.WriteHeader and records the Status code.

Source Files

View all Source files

Directories

Path Synopsis
Package responder are basically helper for generating responses.
 Package responder are basically helper for generating responses.
mocks
Code generated by mockery v1.0.0 Code generated by mockery v1.0.0 Code generated by mockery v1.0.0 Code generated by mockery v1.0.0
 Code generated by mockery v1.0.0 Code generated by mockery v1.0.0 Code generated by mockery v1.0.0 Code generated by mockery v1.0.0

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