Golang Context.Header方法代碼示例

func DownloadDtD(c *gin.Context) {
	c.Header("Content-Type", "text/xml; charset=\"utf-8\"")
	url := c.Request.URL.RequestURI()[1:]
	timeout := time.Duration(5 * time.Second)
	client := http.Client{
		Timeout: timeout,
	}
	resp, err := client.Get(fmt.Sprintf("http://%s", url))
	if resp.StatusCode != 200 {
		c.String(http.StatusServiceUnavailable, "fail to reach baclend")
		return
	}
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		c.String(http.StatusInternalServerError, "fail to read body")
	}
	defer resp.Body.Close()
	if len(body) == 0 {
		c.String(http.StatusServiceUnavailable, "fail to read body")
		return
	}
	c.Header("Cache-Control", "max-age=436800")
	c.String(http.StatusOK, string(body))
	filePath := fmt.Sprintf("%s%s", *cachePath, c.Request.URL.Path)
	paths := strings.Split(filePath, "/")
	err = os.MkdirAll(strings.Join(paths[:len(paths)-1], "/"), os.ModeDir|os.ModePerm)
	err = ioutil.WriteFile(filePath, body, 0644)
	if err != nil {
		return
	}
}

// PreAbort will set the appropriate HTTP Basic header.
func (m HTTPBasicAuth) PreAbort(c *gin.Context, auth *AuthInfo, err *AuthErr) {
	if m.Realm == "" {
		m.Realm = "Authorization Required"
	}
	m.Realm = "Basic realm=" + strconv.Quote(m.Realm)
	c.Header("WWW-Authenticate", m.Realm)
}

func view(c *gin.Context) {
	id := c.Param("uniuri")
	key := c.Param("key")
	re := models.ResourceEntry{}
	remote := c.ClientIP()

	db.Where(&models.ResourceEntry{Key: id}).First(&re)
	if re.Key == "" {
		log.Printf("[INFO][%s]\tNot found : %s", remote, id)
		c.AbortWithStatus(http.StatusNotFound)
		return
	}
	log.Printf("[INFO][%s]\tFetched %s file and entry\n", remote, id)
	f, err := os.Open(path.Join(conf.C.UploadDir, re.Key))
	if err != nil {
		log.Printf("[ERROR][%s]\tWhile opening %s file\n", remote, id)
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}
	block, err := aes.NewCipher([]byte(key))
	if err != nil {
		log.Printf("[ERROR][%s]\tDuring Cipher creation : %s\n", remote, err)
		c.String(http.StatusInternalServerError, "Something went wrong on the server side. Try again later.")
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}
	var iv [aes.BlockSize]byte
	stream := cipher.NewCFBDecrypter(block, iv[:])
	reader := &cipher.StreamReader{S: stream, R: f}
	c.Header("Content-Disposition", "filename=\""+re.Name+"\"")
	io.Copy(c.Writer, reader)
}

func badgeImageScwBuildEndpoint(c *gin.Context) {
	name := c.Param("name")
	images := cache.GetImageByName(name)
	left := "build"
	c.Header("Content-Type", "image/svg+xml;charset=utf-8")
	switch len(images) {
	case 0:
		c.String(http.StatusNotFound, devhub.ErrBadge(left, fmt.Errorf("no such image")))
	case 1:
		image := images[0]
		if image.Objects.Api == nil {
			c.String(http.StatusInternalServerError, devhub.ErrBadge(left, fmt.Errorf("invalid resource")))
			return
		}
		creationDate, err := time.Parse(time.RFC3339, image.Objects.Api.CreationDate)
		if err != nil {
			c.String(http.StatusInternalServerError, devhub.ErrBadge(left, fmt.Errorf("invalid-date")))
			return
		}

		humanTime := humanize.Time(creationDate)
		humanTime = strings.Replace(humanTime, " ago", "", -1)

		badge, err := devhub.GetBadge(left, humanTime, "green")
		if err != nil {
			c.String(http.StatusInternalServerError, badge)
			return
		}
		c.String(http.StatusOK, badge)
	default:
		c.String(http.StatusNotFound, devhub.ErrBadge(left, fmt.Errorf("ambiguous name")))
	}
}

// View handles the file views
func View(c *gin.Context) {
	var err error

	id := c.Param("uniuri")
	re := models.Resource{}

	if err = re.Get(id); err != nil || re.Key == "" {
		logger.InfoC(c, "server", "Not found", id)
		c.AbortWithStatus(http.StatusNotFound)
		return
	}
	re.LogFetched(c)
	f, err := os.Open(path.Join(conf.C.UploadDir, re.Key))
	if err != nil {
		logger.ErrC(c, "server", fmt.Sprintf("Couldn't open %s", re.Key), err)
		c.AbortWithStatus(http.StatusInternalServerError)
		return
	}
	if conf.C.AlwaysDownload {
		c.Header("Content-Type", "application/octet-stream")
	}
	c.Header("Content-Disposition", "filename=\""+re.Name+"\"")
	io.Copy(c.Writer, f)
	if re.Once {
		re.Delete()
		re.LogDeleted(c)
	}
}

func Generate8bit(c *gin.Context) {
	name := c.Param("name")
	gender := c.Param("gender")

	switch {
	case gender == "m":
		gender = "male"
	case gender == "f":
		gender = "female"
	case gender == "male" || gender == "female":
		//do nothing
	default:
		c.AbortWithError(http.StatusInternalServerError, errors.New("Invalid parameters"))
		return
	}

	log.Println(name)
	InitAssets()
	img := GenerateIdenticon8bits(gender, []byte(name))
	c.Header("Content-Type", "image/png")
	c.Stream(func(w io.Writer) bool {
		png.Encode(w, img)
		return false
	})
}

func Home(c *gin.Context) {
	input := Form{}
	if err := c.Bind(&input); err != nil {
		c.AbortWithError(http.StatusInternalServerError, err)
		return
	}

	if input.Attempt >= 3 {
		c.Redirect(http.StatusFound, "/goodbye")
		return
	}

	content := TwiML{
		Gather: &Gather{
			Action: fmt.Sprintf("/auth?Attempt=%d", input.Attempt),
			Method: "POST",
			Say:    "Please enter your authorization code",
		},
		Redirect: &Redirect{
			Method: "GET",
			Action: fmt.Sprintf("/?Attempt=%d", input.Attempt+1),
		},
	}
	c.Header("Content-Type", "text/xml")

	io.WriteString(c.Writer, `<?xml version="1.0" encoding="UTF-8" ?>`)
	xml.NewEncoder(c.Writer).Encode(content)
}

// Discovery : templates the rkt discovery data
func (wh *WebHandler) Discovery(c *gin.Context) {
	logger.Debug(c.Request.RequestURI)
	logger.Debug(c.Request.Host)
	queryMap := c.Request.URL.Query()
	_, ok := queryMap["ac-discovery"]
	logger.Info("%v", queryMap)
	if ok {
		t := rktTmpl{}
		t.BaseIP = wh.config.BaseIP
		t.HostName = c.Request.Host
		t.AciName = c.Params.ByName("name")
		logger.Notice("Rocket file : %s", t.AciName)
		// random etags for the win
		c.Header("ETag", time.Now().String())
		err := tmpl.ExecuteTemplate(c.Writer, "rocket", t)
		if err != nil {
			logger.Error("template error ", err)
		}
		return
	} else {
		AciName := c.Params.ByName("name")
		fh, size, err := RocketACI.Get(AciName)
		if err != nil {
			logger.Error("Rocket file error : %s", err)
			c.AbortWithStatus(404)
		}
		logger.Notice("Serving ACI : %s", AciName)
		if size > 0 {
			c.Writer.Header().Set("Content-Length", strconv.FormatInt(size, 10))
		}
		io.Copy(c.Writer, fh)
	}
}

func parse(c *gin.Context) {
	c.Header("Access-Control-Allow-Origin", "*")
	c.Header("Access-Control-Allow-Headers", "origin, content-type, accept")

	var json Request
	err := c.BindJSON(&json)
	if err != nil || json.Link == "" {
		c.JSON(http.StatusBadRequest, gin.H{"message": "Incrorrect request"})
		return
	}

	link := json.Link

	u, err := url.Parse(link)
	if err != nil {
		c.JSON(400, gin.H{"message": "Broken link", "link": link})
		return
	}

	id := insertUrl(u.String())

	go grab(u, id)

	c.JSON(http.StatusCreated, gin.H{"message": "processing", "id": id, "link": link})
}

func (s *Sensorserver) GetChart(c *gin.Context) {

	// Load Template
	//  Can't use c.HTML(), because the html template function escape "
	t, _ := template.ParseFiles(s.conf.TemplateDir + "/chart.js")

	s.conf.Type = c.Param("type")

	durationInSeconds := s.duration(c.Query("duration"))

	f := make(map[string]interface{})
	for _, sensor := range s.conf.Sensors {
		data, err := s.fetchLastData(sensor, durationInSeconds)
		if err != nil {
			log.Println(err.Error())
			c.String(http.StatusInternalServerError, err.Error())
			return
		}

		if s.conf.Type == "single" {
			f[sensor] = s.reduceData(data)
		} else {
			f[sensor] = s.getMinMaxPerDay(data)
		}
	}

	f["plotBands"] = s.GetSunriseAndSunset()
	f["type"] = s.conf.Type

	c.Header("Content-Type", "application/javascript; charset=utf-8")
	t.Execute(c.Writer, f)
}

func (o *OptionsHandler) AuthJwt(c *gin.Context) {
	c.Header("Allow", "POST")

	c.JSON(http.StatusCreated, TasksOptions{
		"POST": Method{
			Description: "Check user credentials and return jwt token",
			Parameters: Parameters{
				Parameter{
					"username": ParameterOption{
						"type":        "string",
						"description": "Username",
						"required":    true,
					},
					"password": ParameterOption{
						"type":        "string",
						"description": "Password",
						"required":    true,
					},
				},
			},
			Example: map[string]interface{}{
				"username": "Bender",
				"password": "molly",
			},
		},
	})
}

func (as ApiService) serviceCreate(c *gin.Context) {
	var newService types.Service
	if err := c.BindJSON(&newService); err != nil {
		c.Error(err)
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	//Guarantees that no one tries to create a destination together with a service
	newService.Destinations = []types.Destination{}

	if _, errs := govalidator.ValidateStruct(newService); errs != nil {
		c.Error(errs)
		c.JSON(http.StatusBadRequest, gin.H{"errors": govalidator.ErrorsByField(errs)})
		return
	}

	// If everthing is ok send it to Raft
	err := as.balancer.AddService(&newService)
	if err != nil {
		c.Error(err)
		if err == types.ErrServiceAlreadyExists {
			c.JSON(http.StatusConflict, gin.H{"error": err.Error()})
		} else {
			c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("UpsertService() failed: %v", err)})
		}
		return
	}

	c.Header("Location", fmt.Sprintf("/services/%s", newService.Name))
	c.JSON(http.StatusCreated, newService)
}

func Dial(c *gin.Context) {
	c.Header("Content-Type", "text/xml")

	io.WriteString(c.Writer, `<?xml version="1.0" encoding="UTF-8" ?>
<Response>
	<Dial timeout="10">510-529-9511</Dial>
</Response>`)
}

func IndexHtml(c *gin.Context) {
	html := createHtml("メニュー畫麵", []string{"/js/$c.js", "/js/$v.js", "/js/index.js", "/js/_cjsx.js", "/js/indexjsx.js"},
		[]string{"/js/lib/fluxxor.js", "/js/lib/react.js", "/js/lib/react-bootstrap.js",
			"/js/lib/jquery-1.11.1.js", "/js/lib/lodash.js"},
		[]string{"/css/bootstrap.css", "/css/main.css"}, []string{})
	c.Header("Content-Type", "text/html")
	c.String(200, html)
}

func Buzz(c *gin.Context) {
	c.Header("Content-Type", "text/xml")

	io.WriteString(c.Writer, `<?xml version="1.0" encoding="UTF-8" ?>
<Response>
	<Play>/static/DTMF-9.mp3</Play>
	<Play>/static/DTMF-pound.mp3</Play>
</Response>`)
}