├── .gitignore ├── go.mod ├── .travis.yml ├── README.md ├── gores_test.go ├── gores.go └── LICENSE /.gitignore: -------------------------------------------------------------------------------- 1 | tmp 2 | *.sublime-project 3 | *.sublime-workspace -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/alioygur/gores 2 | 3 | go 1.15 4 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: go 2 | 3 | install: 4 | - go get github.com/alioygur/gores 5 | 6 | go: 7 | - 1.7.x 8 | - 1.12.x 9 | - 1.13.x 10 | - 1.14.x 11 | - 1.15.x 12 | - tip 13 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # gores 2 | 3 | [![Build Status](https://travis-ci.org/alioygur/gores.svg?branch=master)](https://travis-ci.org/alioygur/gores) 4 | [![GoDoc](https://godoc.org/github.com/alioygur/gores?status.svg)](https://godoc.org/github.com/alioygur/gores) 5 | [![Go Report Card](https://goreportcard.com/badge/github.com/alioygur/gores)](https://goreportcard.com/report/github.com/alioygur/gores) 6 | 7 | http response utility library for Go 8 | 9 | this package is very small and lightweight, useful for RESTful APIs. 10 | 11 | 12 | ## installation 13 | 14 | `go get github.com/alioygur/gores` 15 | 16 | ## requirements 17 | 18 | gores library requires Go version `>=1.7` 19 | 20 | ## usage 21 | 22 | ```go 23 | package main 24 | 25 | import ( 26 | "log" 27 | "net/http" 28 | 29 | "github.com/alioygur/gores" 30 | ) 31 | 32 | type User struct { 33 | Name string 34 | Email string 35 | Age int 36 | } 37 | 38 | func main() { 39 | // Plain text response 40 | http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { 41 | gores.String(w, http.StatusOK, "Hello World") 42 | }) 43 | 44 | // HTML response 45 | http.HandleFunc("/html", func(w http.ResponseWriter, r *http.Request) { 46 | gores.HTML(w, http.StatusOK, "

Hello World

") 47 | }) 48 | 49 | // JSON response 50 | http.HandleFunc("/json", func(w http.ResponseWriter, r *http.Request) { 51 | user := User{Name: "Ali", Email: "ali@example.com", Age: 28} 52 | gores.JSON(w, http.StatusOK, user) 53 | }) 54 | 55 | // File response 56 | http.HandleFunc("/file", func(w http.ResponseWriter, r *http.Request) { 57 | err := gores.File(w, r, "./path/to/file.html") 58 | 59 | if err != nil { 60 | log.Println(err.Error()) 61 | } 62 | }) 63 | 64 | // Download file 65 | http.HandleFunc("/download-file", func(w http.ResponseWriter, r *http.Request) { 66 | err := gores.Download(w, r, "./path/to/file.pdf", "example.pdf") 67 | 68 | if err != nil { 69 | log.Println(err.Error()) 70 | } 71 | }) 72 | 73 | // No content 74 | http.HandleFunc("/no-content", func(w http.ResponseWriter, r *http.Request) { 75 | gores.NoContent(w) 76 | }) 77 | 78 | // Error response 79 | http.HandleFunc("/error", func(w http.ResponseWriter, r *http.Request) { 80 | gores.Error(w, http.StatusInternalServerError, http.StatusText(http.StatusInternalServerError)) 81 | }) 82 | 83 | err := http.ListenAndServe(":8000", nil) 84 | if err != nil { 85 | log.Fatal("ListenAndServe: ", err) 86 | } 87 | } 88 | ``` 89 | 90 | for more documentation [godoc](https://godoc.org/github.com/alioygur/gores) 91 | 92 | ## Contribute 93 | 94 | **Use issues for everything** 95 | 96 | - Report problems 97 | - Discuss before sending a pull request 98 | - Suggest new features/recipes 99 | - Improve/fix documentation 100 | 101 | ## Thanks & Authors 102 | 103 | I use code/got inspiration from these excellent libraries: 104 | 105 | - [labstack/echo](https://github.com/labstack/echo) micro web framework 106 | -------------------------------------------------------------------------------- /gores_test.go: -------------------------------------------------------------------------------- 1 | package gores 2 | 3 | import ( 4 | "net/http" 5 | "net/http/httptest" 6 | "testing" 7 | ) 8 | 9 | type User struct { 10 | Name string 11 | Email string 12 | Age int 13 | } 14 | 15 | var user = User{ 16 | Name: "Jhon", 17 | Email: "jhon@example.com", 18 | Age: 20, 19 | } 20 | 21 | func TestHTML(t *testing.T) { 22 | responseString := "

Hello World

" 23 | responseCode := http.StatusOK 24 | 25 | resp := httptest.NewRecorder() 26 | 27 | HTML(resp, responseCode, responseString) 28 | 29 | if resp.Body.String() != responseString || resp.Header().Get(ContentType) != TextHTMLCharsetUTF8 || resp.Code != responseCode { 30 | t.Fail() 31 | } 32 | } 33 | 34 | func TestString(t *testing.T) { 35 | responseString := "Hello World" 36 | responseCode := http.StatusOK 37 | 38 | resp := httptest.NewRecorder() 39 | 40 | String(resp, responseCode, responseString) 41 | 42 | if resp.Body.String() != responseString || resp.Header().Get(ContentType) != TextPlainCharsetUTF8 || resp.Code != responseCode { 43 | t.Fail() 44 | } 45 | } 46 | 47 | func TestJSON(t *testing.T) { 48 | 49 | responseString := `{"Name":"Jhon","Email":"jhon@example.com","Age":20}` 50 | responseCode := http.StatusOK 51 | 52 | resp := httptest.NewRecorder() 53 | 54 | JSON(resp, responseCode, user) 55 | 56 | if resp.Body.String() != responseString || resp.Header().Get(ContentType) != ApplicationJSONCharsetUTF8 || resp.Code != responseCode { 57 | t.Fail() 58 | } 59 | } 60 | 61 | func TestJSONIndent(t *testing.T) { 62 | 63 | responseString := `{ 64 | **%%"Name": "Jhon", 65 | **%%"Email": "jhon@example.com", 66 | **%%"Age": 20 67 | **}` 68 | 69 | responseCode := http.StatusOK 70 | 71 | resp := httptest.NewRecorder() 72 | 73 | JSONIndent(resp, responseCode, user, "**", "%%") 74 | 75 | if resp.Body.String() != responseString || resp.Header().Get(ContentType) != ApplicationJSONCharsetUTF8 || resp.Code != responseCode { 76 | t.Fail() 77 | } 78 | } 79 | 80 | func TestJSONP(t *testing.T) { 81 | 82 | responseString := `parseResponse({"Name":"Jhon","Email":"jhon@example.com","Age":20});` 83 | 84 | responseCode := http.StatusOK 85 | 86 | resp := httptest.NewRecorder() 87 | 88 | JSONP(resp, responseCode, "parseResponse", user) 89 | 90 | if resp.Body.String() != responseString || resp.Header().Get(ContentType) != ApplicationJavaScriptCharsetUTF8 || resp.Code != responseCode { 91 | t.Fail() 92 | } 93 | } 94 | 95 | func TestXML(t *testing.T) { 96 | 97 | responseString := ` 98 | Jhonjhon@example.com20` 99 | 100 | responseCode := http.StatusOK 101 | 102 | resp := httptest.NewRecorder() 103 | 104 | XML(resp, responseCode, user) 105 | 106 | if resp.Body.String() != responseString || resp.Header().Get(ContentType) != ApplicationXMLCharsetUTF8 || resp.Code != responseCode { 107 | t.Fail() 108 | } 109 | } 110 | 111 | func TestXMLIndent(t *testing.T) { 112 | 113 | responseString := ` 114 | ** 115 | **%%Jhon 116 | **%%jhon@example.com 117 | **%%20 118 | **` 119 | 120 | responseCode := http.StatusOK 121 | 122 | resp := httptest.NewRecorder() 123 | 124 | XMLIndent(resp, responseCode, user, "**", "%%") 125 | 126 | if resp.Body.String() != responseString || resp.Header().Get(ContentType) != ApplicationXMLCharsetUTF8 || resp.Code != responseCode { 127 | t.Fail() 128 | } 129 | } 130 | 131 | func TestNoContent(t *testing.T) { 132 | 133 | responseString := `` 134 | 135 | responseCode := http.StatusNoContent 136 | 137 | resp := httptest.NewRecorder() 138 | 139 | NoContent(resp) 140 | 141 | if resp.Body.String() != responseString || resp.Code != responseCode { 142 | t.Fail() 143 | } 144 | } 145 | 146 | func TestError(t *testing.T) { 147 | 148 | responseString := `error` 149 | 150 | responseCode := http.StatusBadRequest 151 | 152 | resp := httptest.NewRecorder() 153 | 154 | Error(resp, responseCode, responseString) 155 | 156 | if resp.Body.String() != responseString+"\n" || resp.Code != responseCode { 157 | t.Fail() 158 | } 159 | } 160 | -------------------------------------------------------------------------------- /gores.go: -------------------------------------------------------------------------------- 1 | // Package gores http response utility library for GO 2 | package gores 3 | 4 | import ( 5 | "encoding/json" 6 | "encoding/xml" 7 | "net/http" 8 | "path/filepath" 9 | ) 10 | 11 | // HTTP Methods 12 | const ( 13 | CONNECT = "CONNECT" 14 | DELETE = "DELETE" 15 | GET = "GET" 16 | HEAD = "HEAD" 17 | OPTIONS = "OPTIONS" 18 | PATCH = "PATCH" 19 | POST = "POST" 20 | PUT = "PUT" 21 | TRACE = "TRACE" 22 | ) 23 | 24 | // Media Types 25 | const ( 26 | ApplicationJSON = "application/json" 27 | ApplicationJSONCharsetUTF8 = ApplicationJSON + "; " + CharsetUTF8 28 | ApplicationJavaScript = "application/javascript" 29 | ApplicationJavaScriptCharsetUTF8 = ApplicationJavaScript + "; " + CharsetUTF8 30 | ApplicationXML = "application/xml" 31 | ApplicationXMLCharsetUTF8 = ApplicationXML + "; " + CharsetUTF8 32 | ApplicationForm = "application/x-www-form-urlencoded" 33 | ApplicationProtobuf = "application/protobuf" 34 | ApplicationMsgpack = "application/msgpack" 35 | TextHTML = "text/html" 36 | TextHTMLCharsetUTF8 = TextHTML + "; " + CharsetUTF8 37 | TextPlain = "text/plain" 38 | TextPlainCharsetUTF8 = TextPlain + "; " + CharsetUTF8 39 | MultipartForm = "multipart/form-data" 40 | ) 41 | 42 | // Headers 43 | const ( 44 | AcceptEncoding = "Accept-Encoding" 45 | Authorization = "Authorization" 46 | ContentDisposition = "Content-Disposition" 47 | ContentEncoding = "Content-Encoding" 48 | ContentLength = "Content-Length" 49 | ContentType = "Content-Type" 50 | Location = "Location" 51 | Upgrade = "Upgrade" 52 | Vary = "Vary" 53 | WWWAuthenticate = "WWW-Authenticate" 54 | XForwardedFor = "X-Forwarded-For" 55 | XRealIP = "X-Real-IP" 56 | ) 57 | 58 | const ( 59 | // CharsetUTF8 utf8 character set 60 | CharsetUTF8 = "charset=utf-8" 61 | 62 | // WebSocket web socket protocol 63 | WebSocket = "websocket" 64 | ) 65 | 66 | // HTML sends an HTTP response with status code. 67 | func HTML(w http.ResponseWriter, code int, html string) { 68 | w.Header().Set(ContentType, TextHTMLCharsetUTF8) 69 | w.WriteHeader(code) 70 | w.Write([]byte(html)) 71 | } 72 | 73 | // String sends a string response with status code. 74 | func String(w http.ResponseWriter, code int, s string) { 75 | w.Header().Set(ContentType, TextPlainCharsetUTF8) 76 | w.WriteHeader(code) 77 | w.Write([]byte(s)) 78 | } 79 | 80 | // JSON sends a JSON response with status code. 81 | func JSON(w http.ResponseWriter, code int, i interface{}) error { 82 | b, err := json.Marshal(i) 83 | if err != nil { 84 | return err 85 | } 86 | _json(w, code, b) 87 | return nil 88 | } 89 | 90 | // MustJSON calls JSON and panics on error 91 | func MustJSON(w http.ResponseWriter, code int, i interface{}) { 92 | if err := JSON(w, code, i); err != nil { 93 | panic(err) 94 | } 95 | } 96 | 97 | // JSONIndent sends a JSON response with status code, but it applies prefix and indent to format the output. 98 | func JSONIndent(w http.ResponseWriter, code int, i interface{}, prefix string, indent string) error { 99 | b, err := json.MarshalIndent(i, prefix, indent) 100 | if err != nil { 101 | return err 102 | } 103 | _json(w, code, b) 104 | return nil 105 | } 106 | 107 | // MustJSONIndent calls JSONIndent and panics on error 108 | func MustJSONIndent(w http.ResponseWriter, code int, i interface{}, prefix string, indent string) { 109 | if err := JSONIndent(w, code, i, prefix, indent); err != nil { 110 | panic(err) 111 | } 112 | } 113 | 114 | func _json(w http.ResponseWriter, code int, b []byte) { 115 | w.Header().Set(ContentType, ApplicationJSONCharsetUTF8) 116 | w.WriteHeader(code) 117 | w.Write(b) 118 | } 119 | 120 | // JSONP sends a JSONP response with status code. It uses `callback` to construct 121 | // the JSONP payload. 122 | func JSONP(w http.ResponseWriter, code int, callback string, i interface{}) error { 123 | b, err := json.Marshal(i) 124 | if err != nil { 125 | return err 126 | } 127 | w.Header().Set(ContentType, ApplicationJavaScriptCharsetUTF8) 128 | w.WriteHeader(code) 129 | w.Write([]byte(callback + "(")) 130 | w.Write(b) 131 | w.Write([]byte(");")) 132 | return nil 133 | } 134 | 135 | // MustJSONP calls JSONP and panics on error 136 | func MustJSONP(w http.ResponseWriter, code int, callback string, i interface{}) { 137 | if err := JSONP(w, code, callback, i); err != nil { 138 | panic(err) 139 | } 140 | } 141 | 142 | // XML sends an XML response with status code. 143 | func XML(w http.ResponseWriter, code int, i interface{}) error { 144 | b, err := xml.Marshal(i) 145 | if err != nil { 146 | return err 147 | } 148 | _xml(w, code, b) 149 | return nil 150 | } 151 | 152 | // MustXML calls XML and panics on error 153 | func MustXML(w http.ResponseWriter, code int, i interface{}) { 154 | if err := XML(w, code, i); err != nil { 155 | panic(err) 156 | } 157 | } 158 | 159 | // XMLIndent sends an XML response with status code, but it applies prefix and indent to format the output. 160 | func XMLIndent(w http.ResponseWriter, code int, i interface{}, prefix string, indent string) error { 161 | b, err := xml.MarshalIndent(i, prefix, indent) 162 | if err != nil { 163 | return err 164 | } 165 | _xml(w, code, b) 166 | return nil 167 | } 168 | 169 | // MustXMLIndent calls XMLIndent and panics on error 170 | func MustXMLIndent(w http.ResponseWriter, code int, i interface{}, prefix string, indent string) { 171 | if err := XMLIndent(w, code, i, prefix, indent); err != nil { 172 | panic(err) 173 | } 174 | } 175 | 176 | func _xml(w http.ResponseWriter, code int, b []byte) { 177 | w.Header().Set(ContentType, ApplicationXMLCharsetUTF8) 178 | w.WriteHeader(code) 179 | w.Write([]byte(xml.Header)) 180 | w.Write(b) 181 | } 182 | 183 | // File sends a response with the content of the file 184 | func File(w http.ResponseWriter, r *http.Request, path string) error { 185 | return file(w, r, path, "", false) 186 | } 187 | 188 | // MustFile calls File and panics on error 189 | func MustFile(w http.ResponseWriter, r *http.Request, path string) { 190 | if err := File(w, r, path); err != nil { 191 | panic(err) 192 | } 193 | } 194 | 195 | // Download the client is prompted to save the file with provided `name`, 196 | // name can be empty, in that case name of the file is used. 197 | func Download(w http.ResponseWriter, r *http.Request, path string, name string) error { 198 | return file(w, r, path, name, true) 199 | } 200 | 201 | // MustDownload calls Download and panics on error 202 | func MustDownload(w http.ResponseWriter, r *http.Request, path string, name string) { 203 | if err := Download(w, r, path, name); err != nil { 204 | panic(err) 205 | } 206 | } 207 | 208 | func file(w http.ResponseWriter, r *http.Request, path, name string, attachment bool) (err error) { 209 | dir, file := filepath.Split(path) 210 | if attachment { 211 | w.Header().Set(ContentDisposition, "attachment; filename="+name) 212 | } 213 | 214 | fs := http.Dir(dir) 215 | f, err := fs.Open(file) 216 | if err != nil { 217 | return 218 | } 219 | defer f.Close() 220 | 221 | fi, _ := f.Stat() 222 | 223 | http.ServeContent(w, r, fi.Name(), fi.ModTime(), f) 224 | 225 | return 226 | } 227 | 228 | // NoContent sends a response with no body and a status code. 229 | func NoContent(w http.ResponseWriter) { 230 | w.WriteHeader(http.StatusNoContent) 231 | } 232 | 233 | // Error sends a error response with a status code 234 | func Error(w http.ResponseWriter, code int, message string) { 235 | http.Error(w, message, code) 236 | } 237 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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