context

package
v1.0.11 Latest Latest
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 Go to latest Published: Feb 9, 2022 License: LGPL-3.0 Imports: 7 Imported by: 0

Documentation

Overview

Package context provide the context utils Usage: 

	import "github.com/W3-Engineers-Ltd/Radiant/server/web/context"

	ctx := context.Context{Request:req,ResponseWriter:rw}

 more docs http://radiant.me/docs/module/context.md

Index

Constants

View Source 
const (
	ApplicationJSON = context.ApplicationJSON
	ApplicationXML  = context.ApplicationXML
	ApplicationYAML = context.ApplicationYAML
	TextXML         = context.TextXML
)

commonly used mime-types

Variables

This section is empty.

Functions

func InitGzip 

func InitGzip(minLength, compressLevel int, methods []string)

InitGzip init the gzipcompress

func ParseEncoding 

func ParseEncoding(r *http.Request) string

ParseEncoding will extract the right encoding for response the Accept-Encoding's sec is here: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.3

func WriteBody 

func WriteBody(encoding string, writer io.Writer, content []byte) (bool, string, error)

WriteBody reads writes content to writer by the specific encoding(gzip/deflate)

func WriteFile 

func WriteFile(encoding string, writer io.Writer, file *os.File) (bool, string, error)

WriteFile reads from file and writes to writer by the specific encoding(gzip/deflate)

Types

type Context 

type Context context.Context

Context Http request context struct including RadiantInput, RadiantOutput, http.Request and http.ResponseWriter. RadiantInput and RadiantOutput provides some api to operate request and response more easily.

func NewContext 

func NewContext() *Context

NewContext return the Context with Input and Output

func (*Context) Abort 

func (ctx *Context) Abort(status int, body string)

Abort stops this request. if radiant.ErrorMaps exists, panic body.

func (*Context) CheckXSRFCookie 

func (ctx *Context) CheckXSRFCookie() bool

CheckXSRFCookie checks xsrf token in this request is valid or not. the token can provided in request header "X-Xsrftoken" and "X-CsrfToken" or in form field value named as "_xsrf".

func (*Context) GetCookie 

func (ctx *Context) GetCookie(key string) string

GetCookie Get cookie from request by a given key. It's alias of RadiantInput.Cookie.

func (*Context) GetSecureCookie 

func (ctx *Context) GetSecureCookie(Secret, key string) (string, bool)

GetSecureCookie Get secure cookie from request by a given key.

func (*Context) Redirect 

func (ctx *Context) Redirect(status int, localurl string)

Redirect does redirection to localurl with http header status code.

func (*Context) RenderMethodResult 

func (ctx *Context) RenderMethodResult(result interface{})

RenderMethodResult renders the return value of a controller method to the output

func (*Context) Reset 

func (ctx *Context) Reset(rw http.ResponseWriter, r *http.Request)

Reset init Context, RadiantInput and RadiantOutput

func (*Context) SetCookie 

func (ctx *Context) SetCookie(name string, value string, others ...interface{})

SetCookie Set cookie for response. It's alias of RadiantOutput.Cookie.

func (*Context) SetSecureCookie 

func (ctx *Context) SetSecureCookie(Secret, name, value string, others ...interface{})

SetSecureCookie Set Secure cookie for response.

func (*Context) WriteString 

func (ctx *Context) WriteString(content string)

WriteString Write string to response body. it sends response body.

func (*Context) XSRFToken 

func (ctx *Context) XSRFToken(key string, expire int64) string

XSRFToken creates a xsrf token string and returns.

type RadiantInput 

type RadiantInput context.RadiantInput

RadiantInput operates the http request header, data, cookie and body. it also contains router params and current session.

func NewInput 

func NewInput() *RadiantInput

NewInput return RadiantInput generated by Context.

func (*RadiantInput) AcceptsHTML 

func (input *RadiantInput) AcceptsHTML() bool

AcceptsHTML Checks if request accepts html response

func (*RadiantInput) AcceptsJSON 

func (input *RadiantInput) AcceptsJSON() bool

AcceptsJSON Checks if request accepts json response

func (*RadiantInput) AcceptsXML 

func (input *RadiantInput) AcceptsXML() bool

AcceptsXML Checks if request accepts xml response

func (*RadiantInput) AcceptsYAML 

func (input *RadiantInput) AcceptsYAML() bool

AcceptsYAML Checks if request accepts json response

func (*RadiantInput) Bind 

func (input *RadiantInput) Bind(dest interface{}, key string) error

Bind data from request.Form[key] to dest like /?id=123&isok=true&ft=1.2&ol[0]=1&ol[1]=2&ul[]=str&ul[]=array&user.Name=astaxie var id int radiantInput.Bind(&id, "id") id ==123 var isok bool radiantInput.Bind(&isok, "isok") isok ==true var ft float64 radiantInput.Bind(&ft, "ft") ft ==1.2 ol := make([]int, 0, 2) radiantInput.Bind(&ol, "ol") ol ==[1 2] ul := make([]string, 0, 2) radiantInput.Bind(&ul, "ul") ul ==[str array] user struct{Name} radiantInput.Bind(&user, "user") user == {Name:"astaxie"}

func (*RadiantInput) Cookie 

func (input *RadiantInput) Cookie(key string) string

Cookie returns request cookie item string by a given key. if non-existed, return empty string.

func (*RadiantInput) CopyBody 

func (input *RadiantInput) CopyBody(MaxMemory int64) []byte

CopyBody returns the raw request body data as bytes.

func (*RadiantInput) Data 

func (input *RadiantInput) Data() map[interface{}]interface{}

Data return the implicit data in the input

func (*RadiantInput) Domain 

func (input *RadiantInput) Domain() string

Domain returns host name. Alias of Host method.

func (*RadiantInput) GetData 

func (input *RadiantInput) GetData(key interface{}) interface{}

GetData returns the stored data in this context.

func (*RadiantInput) Header 

func (input *RadiantInput) Header(key string) string

Header returns request header item string by a given string. if non-existed, return empty string.

func (*RadiantInput) Host 

func (input *RadiantInput) Host() string

Host returns host name. if no host info in request, return localhost.

func (*RadiantInput) IP 

func (input *RadiantInput) IP() string

IP returns request client ip. if in proxy, return first proxy id. if error, return RemoteAddr.

func (*RadiantInput) Is 

func (input *RadiantInput) Is(method string) bool

Is returns boolean of this request is on given method, such as Is("POST").

func (*RadiantInput) IsAjax 

func (input *RadiantInput) IsAjax() bool

IsAjax returns boolean of this request is generated by ajax.

func (*RadiantInput) IsDelete 

func (input *RadiantInput) IsDelete() bool

IsDelete Is this a DELETE method request?

func (*RadiantInput) IsGet 

func (input *RadiantInput) IsGet() bool

IsGet Is this a GET method request?

func (*RadiantInput) IsHead 

func (input *RadiantInput) IsHead() bool

IsHead Is this a Head method request?

func (*RadiantInput) IsOptions 

func (input *RadiantInput) IsOptions() bool

IsOptions Is this a OPTIONS method request?

func (*RadiantInput) IsPatch 

func (input *RadiantInput) IsPatch() bool

IsPatch Is this a PATCH method request?

func (*RadiantInput) IsPost 

func (input *RadiantInput) IsPost() bool

IsPost Is this a POST method request?

func (*RadiantInput) IsPut 

func (input *RadiantInput) IsPut() bool

IsPut Is this a PUT method request?

func (*RadiantInput) IsSecure 

func (input *RadiantInput) IsSecure() bool

IsSecure returns boolean of this request is in https.

func (*RadiantInput) IsUpload 

func (input *RadiantInput) IsUpload() bool

IsUpload returns boolean of whether file uploads in this request or not..

func (*RadiantInput) IsWebsocket 

func (input *RadiantInput) IsWebsocket() bool

IsWebsocket returns boolean of this request is in webSocket.

func (*RadiantInput) Method 

func (input *RadiantInput) Method() string

Method returns http request method.

func (*RadiantInput) Param 

func (input *RadiantInput) Param(key string) string

Param returns router param by a given key.

func (*RadiantInput) Params 

func (input *RadiantInput) Params() map[string]string

Params returns the map[key]value.

func (*RadiantInput) ParamsLen 

func (input *RadiantInput) ParamsLen() int

ParamsLen return the length of the params

func (*RadiantInput) ParseFormOrMulitForm 

func (input *RadiantInput) ParseFormOrMulitForm(maxMemory int64) error

ParseFormOrMulitForm parseForm or parseMultiForm based on Content-type

func (*RadiantInput) Port 

func (input *RadiantInput) Port() int

Port returns request client port. when error or empty, return 80.

func (*RadiantInput) Protocol 

func (input *RadiantInput) Protocol() string

Protocol returns request protocol name, such as HTTP/1.1 .

func (*RadiantInput) Proxy 

func (input *RadiantInput) Proxy() []string

Proxy returns proxy client ips slice.

func (*RadiantInput) Query 

func (input *RadiantInput) Query(key string) string

Query returns input data item string by a given string.

func (*RadiantInput) Refer 

func (input *RadiantInput) Refer() string

Refer returns http referer header.

func (*RadiantInput) Referer 

func (input *RadiantInput) Referer() string

Referer returns http referer header.

func (*RadiantInput) Reset 

func (input *RadiantInput) Reset(ctx *Context)

Reset init the RadiantInput

func (*RadiantInput) ResetParams 

func (input *RadiantInput) ResetParams()

ResetParams clears any of the input's Params This function is used to clear parameters so they may be reset between filter passes.

func (*RadiantInput) Scheme 

func (input *RadiantInput) Scheme() string

Scheme returns request scheme as "http" or "https".

func (*RadiantInput) Session 

func (input *RadiantInput) Session(key interface{}) interface{}

Session returns current session item value by a given key. if non-existed, return nil.

func (*RadiantInput) SetData 

func (input *RadiantInput) SetData(key, val interface{})

SetData stores data with given key in this context. This data are only available in this context.

func (*RadiantInput) SetParam 

func (input *RadiantInput) SetParam(key, val string)

SetParam will set the param with key and value

func (*RadiantInput) Site 

func (input *RadiantInput) Site() string

Site returns base site url as scheme://domain type.

func (*RadiantInput) SubDomains 

func (input *RadiantInput) SubDomains() string

SubDomains returns sub domain string. if aa.bb.domain.com, returns aa.bb .

func (*RadiantInput) URI 

func (input *RadiantInput) URI() string

URI returns full request url with query string, fragment.

func (*RadiantInput) URL 

func (input *RadiantInput) URL() string

URL returns request url path (without query string, fragment).

func (*RadiantInput) UserAgent 

func (input *RadiantInput) UserAgent() string

UserAgent returns request client user agent string.

type RadiantOutput 

type RadiantOutput context.RadiantOutput

RadiantOutput does work for sending response header.

func NewOutput 

func NewOutput() *RadiantOutput

NewOutput returns new RadiantOutput. it contains nothing now.

func (*RadiantOutput) Body 

func (output *RadiantOutput) Body(content []byte) error

Body sets response body content. if EnableGzip, compress content string. it sends out response body directly.

func (*RadiantOutput) ContentType 

func (output *RadiantOutput) ContentType(ext string)

ContentType sets the content type from ext string. MIME type is given in mime package.

func (*RadiantOutput) Cookie 

func (output *RadiantOutput) Cookie(name string, value string, others ...interface{})

Cookie sets cookie value via given key. others are ordered as cookie's max age time, path,domain, secure and httponly.

func (*RadiantOutput) Download 

func (output *RadiantOutput) Download(file string, filename ...string)

Download forces response for download file. it prepares the download response header automatically.

func (*RadiantOutput) Header 

func (output *RadiantOutput) Header(key, val string)

Header sets response header item string via given key.

func (*RadiantOutput) IsCachable 

func (output *RadiantOutput) IsCachable() bool

IsCachable returns boolean of this request is cached. HTTP 304 means cached.

func (*RadiantOutput) IsClientError 

func (output *RadiantOutput) IsClientError() bool

IsClientError returns boolean of this request client sends error data. HTTP 4xx means client error.

func (*RadiantOutput) IsEmpty 

func (output *RadiantOutput) IsEmpty() bool

IsEmpty returns boolean of this request is empty. HTTP 201，204 and 304 means empty.

func (*RadiantOutput) IsForbidden 

func (output *RadiantOutput) IsForbidden() bool

IsForbidden returns boolean of this request is forbidden. HTTP 403 means forbidden.

func (*RadiantOutput) IsNotFound 

func (output *RadiantOutput) IsNotFound() bool

IsNotFound returns boolean of this request is not found. HTTP 404 means not found.

func (*RadiantOutput) IsOk 

func (output *RadiantOutput) IsOk() bool

IsOk returns boolean of this request runs well. HTTP 200 means ok.

func (*RadiantOutput) IsRedirect 

func (output *RadiantOutput) IsRedirect() bool

IsRedirect returns boolean of this request is redirection header. HTTP 301,302,307 means redirection.

func (*RadiantOutput) IsServerError 

func (output *RadiantOutput) IsServerError() bool

IsServerError returns boolean of this server handler errors. HTTP 5xx means server internal error.

func (*RadiantOutput) IsSuccessful 

func (output *RadiantOutput) IsSuccessful() bool

IsSuccessful returns boolean of this request runs successfully. HTTP 2xx means ok.

func (*RadiantOutput) JSON 

func (output *RadiantOutput) JSON(data interface{}, hasIndent bool, encoding bool) error

JSON writes json to response body. if encoding is true, it converts utf-8 to \u0000 type.

func (*RadiantOutput) JSONP 

func (output *RadiantOutput) JSONP(data interface{}, hasIndent bool) error

JSONP writes jsonp to response body.

func (*RadiantOutput) Reset 

func (output *RadiantOutput) Reset(ctx *Context)

Reset init RadiantOutput

func (*RadiantOutput) ServeFormatted 

func (output *RadiantOutput) ServeFormatted(data interface{}, hasIndent bool, hasEncode ...bool)

ServeFormatted serve YAML, XML OR JSON, depending on the value of the Accept header

func (*RadiantOutput) Session 

func (output *RadiantOutput) Session(name interface{}, value interface{})

Session sets session item value with given key.

func (*RadiantOutput) SetStatus 

func (output *RadiantOutput) SetStatus(status int)

SetStatus sets response status code. It writes response header directly.

func (*RadiantOutput) XML 

func (output *RadiantOutput) XML(data interface{}, hasIndent bool) error

XML writes xml string to response body.

func (*RadiantOutput) YAML 

func (output *RadiantOutput) YAML(data interface{}) error

YAML writes yaml to response body.

type Renderer 

type Renderer context.Renderer

Renderer defines an http response renderer

type Response 

type Response context.Response

Response is a wrapper for the http.ResponseWriter started set to true if response was written to then don't execute other handler

func (*Response) CloseNotify 

func (r *Response) CloseNotify() <-chan bool

CloseNotify http.CloseNotifier

func (*Response) Flush 

func (r *Response) Flush()

Flush http.Flusher

func (*Response) Hijack 

func (r *Response) Hijack() (net.Conn, *bufio.ReadWriter, error)

Hijack hijacker for http

func (*Response) Pusher 

func (r *Response) Pusher() (pusher http.Pusher)

Pusher http.Pusher

func (*Response) Write 

func (r *Response) Write(p []byte) (int, error)

Write writes the data to the connection as part of an HTTP reply, and sets `started` to true. started means the response has sent out.

func (*Response) WriteHeader 

func (r *Response) WriteHeader(code int)

WriteHeader sends an HTTP response header with status code, and sets `started` to true.

type StatusCode 

type StatusCode int

StatusCode sets the http response status code 

const (
	// BadRequest indicates http error 400
	BadRequest StatusCode = http.StatusBadRequest

	// NotFound indicates http error 404
	NotFound StatusCode = http.StatusNotFound
)

func (StatusCode) Error 

func (s StatusCode) Error() string

func (StatusCode) Render 

func (s StatusCode) Render(ctx *Context)

Render sets the http status code

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