github.com/lologarithm/mattermost-server@v5.3.2-0.20181002060438-c82a84ed765b+incompatible/api4/brand.go (about)

     1  // Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
     2  // See License.txt for license information.
     3  
     4  package api4
     5  
     6  import (
     7  	"io"
     8  	"io/ioutil"
     9  	"net/http"
    10  
    11  	"github.com/mattermost/mattermost-server/model"
    12  )
    13  
    14  func (api *API) InitBrand() {
    15  	api.BaseRoutes.Brand.Handle("/image", api.ApiHandlerTrustRequester(getBrandImage)).Methods("GET")
    16  	api.BaseRoutes.Brand.Handle("/image", api.ApiSessionRequired(uploadBrandImage)).Methods("POST")
    17  }
    18  
    19  func getBrandImage(c *Context, w http.ResponseWriter, r *http.Request) {
    20  	// No permission check required
    21  
    22  	img, err := c.App.GetBrandImage()
    23  	if err != nil {
    24  		w.WriteHeader(http.StatusNotFound)
    25  		w.Write(nil)
    26  		return
    27  	}
    28  
    29  	w.Header().Set("Content-Type", "image/png")
    30  	w.Write(img)
    31  }
    32  
    33  func uploadBrandImage(c *Context, w http.ResponseWriter, r *http.Request) {
    34  	defer io.Copy(ioutil.Discard, r.Body)
    35  
    36  	if r.ContentLength > *c.App.Config().FileSettings.MaxFileSize {
    37  		c.Err = model.NewAppError("uploadBrandImage", "api.admin.upload_brand_image.too_large.app_error", nil, "", http.StatusRequestEntityTooLarge)
    38  		return
    39  	}
    40  
    41  	if err := r.ParseMultipartForm(*c.App.Config().FileSettings.MaxFileSize); err != nil {
    42  		c.Err = model.NewAppError("uploadBrandImage", "api.admin.upload_brand_image.parse.app_error", nil, "", http.StatusBadRequest)
    43  		return
    44  	}
    45  
    46  	m := r.MultipartForm
    47  
    48  	imageArray, ok := m.File["image"]
    49  	if !ok {
    50  		c.Err = model.NewAppError("uploadBrandImage", "api.admin.upload_brand_image.no_file.app_error", nil, "", http.StatusBadRequest)
    51  		return
    52  	}
    53  
    54  	if len(imageArray) <= 0 {
    55  		c.Err = model.NewAppError("uploadBrandImage", "api.admin.upload_brand_image.array.app_error", nil, "", http.StatusBadRequest)
    56  		return
    57  	}
    58  
    59  	if !c.App.SessionHasPermissionTo(c.Session, model.PERMISSION_MANAGE_SYSTEM) {
    60  		c.SetPermissionError(model.PERMISSION_MANAGE_SYSTEM)
    61  		return
    62  	}
    63  
    64  	if err := c.App.SaveBrandImage(imageArray[0]); err != nil {
    65  		c.Err = err
    66  		return
    67  	}
    68  
    69  	c.LogAudit("")
    70  
    71  	w.WriteHeader(http.StatusCreated)
    72  	ReturnStatusOK(w)
    73  }