diff --git a/README.md b/README.md index 93896469..c2cfe2d0 100644 --- a/README.md +++ b/README.md @@ -3,10 +3,11 @@ [![Build Status](https://travis-ci.org/gin-gonic/gin.svg)](https://travis-ci.org/gin-gonic/gin) - [![codecov](https://codecov.io/gh/gin-gonic/gin/branch/master/graph/badge.svg)](https://codecov.io/gh/gin-gonic/gin) - [![Go Report Card](https://goreportcard.com/badge/github.com/gin-gonic/gin)](https://goreportcard.com/report/github.com/gin-gonic/gin) - [![GoDoc](https://godoc.org/github.com/gin-gonic/gin?status.svg)](https://godoc.org/github.com/gin-gonic/gin) - [![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) +[![codecov](https://codecov.io/gh/gin-gonic/gin/branch/master/graph/badge.svg)](https://codecov.io/gh/gin-gonic/gin) +[![Go Report Card](https://goreportcard.com/badge/github.com/gin-gonic/gin)](https://goreportcard.com/report/github.com/gin-gonic/gin) +[![GoDoc](https://godoc.org/github.com/gin-gonic/gin?status.svg)](https://godoc.org/github.com/gin-gonic/gin) +[![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) +[![Sourcegraph](https://sourcegraph.com/github.com/gin-gonic/gin/-/badge.svg)](https://sourcegraph.com/github.com/gin-gonic/gin?badge) [![Open Source Helpers](https://www.codetriage.com/gin-gonic/gin/badges/users.svg)](https://www.codetriage.com/gin-gonic/gin) Gin is a web framework written in Go (Golang). It features a martini-like API with much better performance, up to 40 times faster thanks to [httprouter](https://github.com/julienschmidt/httprouter). If you need performance and good productivity, you will love Gin. @@ -27,6 +28,7 @@ Gin is a web framework written in Go (Golang). It features a martini-like API wi - [Querystring parameters](#querystring-parameters) - [Multipart/Urlencoded Form](#multiparturlencoded-form) - [Another example: query + post form](#another-example-query--post-form) + - [Map as querystring or postform parameters](#map-as-querystring-or-postform-parameters) - [Upload files](#upload-files) - [Grouping routes](#grouping-routes) - [Blank Gin without middleware by default](#blank-gin-without-middleware-by-default) @@ -323,6 +325,34 @@ func main() { id: 1234; page: 1; name: manu; message: this_is_great ``` +### Map as querystring or postform parameters + +``` +POST /post?ids[a]=1234&ids[b]=hello HTTP/1.1 +Content-Type: application/x-www-form-urlencoded + +names[first]=thinkerou&names[second]=tianou +``` + +```go +func main() { + router := gin.Default() + + router.POST("/post", func(c *gin.Context) { + + ids := c.QueryMap("ids") + names := c.PostFormMap("names") + + fmt.Printf("ids: %v; names: %v", ids, names) + }) + router.Run(":8080") +} +``` + +``` +ids: map[b:hello a:1234], names: map[second:tianou first:thinkerou] +``` + ### Upload files #### Single file @@ -1782,7 +1812,7 @@ func TestPingRoute(t *testing.T) { } ``` -## Users [![Sourcegraph](https://sourcegraph.com/github.com/gin-gonic/gin/-/badge.svg)](https://sourcegraph.com/github.com/gin-gonic/gin?badge) +## Users Awesome project lists using [Gin](https://github.com/gin-gonic/gin) web framework. diff --git a/context.go b/context.go index 014801da..1360cc1c 100644 --- a/context.go +++ b/context.go @@ -162,16 +162,15 @@ func (c *Context) Error(err error) *Error { if err == nil { panic("err is nil") } - var parsedError *Error - switch err.(type) { - case *Error: - parsedError = err.(*Error) - default: + + parsedError, ok := err.(*Error) + if !ok { parsedError = &Error{ Err: err, Type: ErrorTypePrivate, } } + c.Errors = append(c.Errors, parsedError) return parsedError } @@ -364,6 +363,18 @@ func (c *Context) GetQueryArray(key string) ([]string, bool) { return []string{}, false } +// QueryMap returns a map for a given query key. +func (c *Context) QueryMap(key string) map[string]string { + dicts, _ := c.GetQueryMap(key) + return dicts +} + +// GetQueryMap returns a map for a given query key, plus a boolean value +// whether at least one value exists for the given key. +func (c *Context) GetQueryMap(key string) (map[string]string, bool) { + return c.get(c.Request.URL.Query(), key) +} + // PostForm returns the specified key from a POST urlencoded form or multipart form // when it exists, otherwise it returns an empty string `("")`. func (c *Context) PostForm(key string) string { @@ -419,6 +430,42 @@ func (c *Context) GetPostFormArray(key string) ([]string, bool) { return []string{}, false } +// PostFormMap returns a map for a given form key. +func (c *Context) PostFormMap(key string) map[string]string { + dicts, _ := c.GetPostFormMap(key) + return dicts +} + +// GetPostFormMap returns a map for a given form key, plus a boolean value +// whether at least one value exists for the given key. +func (c *Context) GetPostFormMap(key string) (map[string]string, bool) { + req := c.Request + req.ParseForm() + req.ParseMultipartForm(c.engine.MaxMultipartMemory) + dicts, exist := c.get(req.PostForm, key) + + if !exist && req.MultipartForm != nil && req.MultipartForm.File != nil { + dicts, exist = c.get(req.MultipartForm.Value, key) + } + + return dicts, exist +} + +// get is an internal method and returns a map which satisfy conditions. +func (c *Context) get(m map[string][]string, key string) (map[string]string, bool) { + dicts := make(map[string]string) + exist := false + for k, v := range m { + if i := strings.IndexByte(k, '['); i >= 1 && k[0:i] == key { + if j := strings.IndexByte(k[i+1:], ']'); j >= 1 { + exist = true + dicts[k[i+1:][:j]] = v[0] + } + } + } + return dicts, exist +} + // FormFile returns the first file for the provided form key. func (c *Context) FormFile(name string) (*multipart.FileHeader, error) { _, fh, err := c.Request.FormFile(name) diff --git a/context_test.go b/context_test.go index e29569fd..40ae5bf8 100644 --- a/context_test.go +++ b/context_test.go @@ -21,6 +21,7 @@ import ( "github.com/gin-gonic/gin/binding" "github.com/stretchr/testify/assert" "golang.org/x/net/context" + "io" ) var _ context.Context = &Context{} @@ -47,6 +48,8 @@ func createMultipartRequest() *http.Request { must(mw.WriteField("time_local", "31/12/2016 14:55")) must(mw.WriteField("time_utc", "31/12/2016 14:55")) must(mw.WriteField("time_location", "31/12/2016 14:55")) + must(mw.WriteField("names[a]", "thinkerou")) + must(mw.WriteField("names[b]", "tianou")) req, err := http.NewRequest("POST", "/", body) must(err) req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary) @@ -371,7 +374,8 @@ func TestContextQuery(t *testing.T) { func TestContextQueryAndPostForm(t *testing.T) { c, _ := CreateTestContext(httptest.NewRecorder()) body := bytes.NewBufferString("foo=bar&page=11&both=&foo=second") - c.Request, _ = http.NewRequest("POST", "/?both=GET&id=main&id=omit&array[]=first&array[]=second", body) + c.Request, _ = http.NewRequest("POST", + "/?both=GET&id=main&id=omit&array[]=first&array[]=second&ids[a]=hi&ids[b]=3.14", body) c.Request.Header.Add("Content-Type", MIMEPOSTForm) assert.Equal(t, "bar", c.DefaultPostForm("foo", "none")) @@ -439,6 +443,30 @@ func TestContextQueryAndPostForm(t *testing.T) { values = c.QueryArray("both") assert.Equal(t, 1, len(values)) assert.Equal(t, "GET", values[0]) + + dicts, ok := c.GetQueryMap("ids") + assert.True(t, ok) + assert.Equal(t, "hi", dicts["a"]) + assert.Equal(t, "3.14", dicts["b"]) + + dicts, ok = c.GetQueryMap("nokey") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts, ok = c.GetQueryMap("both") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts, ok = c.GetQueryMap("array") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts = c.QueryMap("ids") + assert.Equal(t, "hi", dicts["a"]) + assert.Equal(t, "3.14", dicts["b"]) + + dicts = c.QueryMap("nokey") + assert.Equal(t, 0, len(dicts)) } func TestContextPostFormMultipart(t *testing.T) { @@ -515,6 +543,22 @@ func TestContextPostFormMultipart(t *testing.T) { values = c.PostFormArray("foo") assert.Equal(t, 1, len(values)) assert.Equal(t, "bar", values[0]) + + dicts, ok := c.GetPostFormMap("names") + assert.True(t, ok) + assert.Equal(t, "thinkerou", dicts["a"]) + assert.Equal(t, "tianou", dicts["b"]) + + dicts, ok = c.GetPostFormMap("nokey") + assert.False(t, ok) + assert.Equal(t, 0, len(dicts)) + + dicts = c.PostFormMap("names") + assert.Equal(t, "thinkerou", dicts["a"]) + assert.Equal(t, "tianou", dicts["b"]) + + dicts = c.PostFormMap("nokey") + assert.Equal(t, 0, len(dicts)) } func TestContextSetCookie(t *testing.T) { @@ -1515,3 +1559,38 @@ func TestContextRenderDataFromReader(t *testing.T) { assert.Equal(t, fmt.Sprintf("%d", contentLength), w.HeaderMap.Get("Content-Length")) assert.Equal(t, extraHeaders["Content-Disposition"], w.HeaderMap.Get("Content-Disposition")) } + +func TestContextStream(t *testing.T) { + w := CreateTestResponseRecorder() + c, _ := CreateTestContext(w) + + stopStream := true + c.Stream(func(w io.Writer) bool { + defer func() { + stopStream = false + }() + + w.Write([]byte("test")) + + return stopStream + }) + + assert.Equal(t, "testtest", w.Body.String()) +} + +func TestContextStreamWithClientGone(t *testing.T) { + w := CreateTestResponseRecorder() + c, _ := CreateTestContext(w) + + c.Stream(func(writer io.Writer) bool { + defer func() { + w.closeClient() + }() + + writer.Write([]byte("test")) + + return true + }) + + assert.Equal(t, "test", w.Body.String()) +} diff --git a/ginS/gins.go b/ginS/gins.go index ee00b381..a7686f23 100644 --- a/ginS/gins.go +++ b/ginS/gins.go @@ -128,7 +128,7 @@ func Run(addr ...string) (err error) { // RunTLS : The router is attached to a http.Server and starts listening and serving HTTPS requests. // It is a shortcut for http.ListenAndServeTLS(addr, certFile, keyFile, router) // Note: this method will block the calling goroutine undefinitelly unless an error happens. -func RunTLS(addr string, certFile string, keyFile string) (err error) { +func RunTLS(addr, certFile, keyFile string) (err error) { return engine().RunTLS(addr, certFile, keyFile) } diff --git a/render/render.go b/render/render.go index 7caf9bba..4ff1c7b6 100755 --- a/render/render.go +++ b/render/render.go @@ -26,6 +26,7 @@ var ( _ Render = YAML{} _ Render = MsgPack{} _ Render = Reader{} + _ Render = AsciiJSON{} ) func writeContentType(w http.ResponseWriter, value []string) { diff --git a/response_writer.go b/response_writer.go index 166ae8c3..923b53f8 100644 --- a/response_writer.go +++ b/response_writer.go @@ -110,5 +110,6 @@ func (w *responseWriter) CloseNotify() <-chan bool { // Flush implements the http.Flush interface. func (w *responseWriter) Flush() { + w.WriteHeaderNow() w.ResponseWriter.(http.Flusher).Flush() } diff --git a/response_writer_test.go b/response_writer_test.go index 4289a7c1..fcc48b3b 100644 --- a/response_writer_test.go +++ b/response_writer_test.go @@ -113,3 +113,19 @@ func TestResponseWriterHijack(t *testing.T) { w.Flush() } + +func TestResponseWriterFlush(t *testing.T) { + testServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + writer := &responseWriter{} + writer.reset(w) + + writer.WriteHeader(http.StatusInternalServerError) + writer.Flush() + })) + defer testServer.Close() + + // should return 500 + resp, err := http.Get(testServer.URL) + assert.NoError(t, err) + assert.Equal(t, http.StatusInternalServerError, resp.StatusCode) +} diff --git a/test_helpers.go b/test_helpers.go index 2aed37f2..554568d9 100644 --- a/test_helpers.go +++ b/test_helpers.go @@ -6,6 +6,7 @@ package gin import ( "net/http" + "net/http/httptest" ) // CreateTestContext returns a fresh engine and context for testing purposes @@ -16,3 +17,23 @@ func CreateTestContext(w http.ResponseWriter) (c *Context, r *Engine) { c.writermem.reset(w) return } + +type TestResponseRecorder struct { + *httptest.ResponseRecorder + closeChannel chan bool +} + +func (r *TestResponseRecorder) CloseNotify() <-chan bool { + return r.closeChannel +} + +func (r *TestResponseRecorder) closeClient() { + r.closeChannel <- true +} + +func CreateTestResponseRecorder() *TestResponseRecorder { + return &TestResponseRecorder{ + httptest.NewRecorder(), + make(chan bool, 1), + } +}