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Diffstat (limited to 'api/file.go')
-rw-r--r--api/file.go155
1 files changed, 75 insertions, 80 deletions
diff --git a/api/file.go b/api/file.go
index 3602b5ed4..be8fc5456 100644
--- a/api/file.go
+++ b/api/file.go
@@ -5,15 +5,15 @@ package api
import (
"bytes"
- "code.google.com/p/graphics-go/graphics"
l4g "code.google.com/p/log4go"
"fmt"
+ "github.com/disintegration/imaging"
"github.com/goamz/goamz/aws"
"github.com/goamz/goamz/s3"
"github.com/gorilla/mux"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
- "github.com/nfnt/resize"
+ "github.com/mssola/user_agent"
"github.com/rwcarlsen/goexif/exif"
_ "golang.org/x/image/bmp"
"image"
@@ -23,7 +23,6 @@ import (
"image/jpeg"
"io"
"io/ioutil"
- "math"
"mime"
"net/http"
"net/url"
@@ -69,8 +68,8 @@ func InitFile(r *mux.Router) {
}
func uploadFile(c *Context, w http.ResponseWriter, r *http.Request) {
- if !utils.IsS3Configured() && !utils.Cfg.ServiceSettings.UseLocalStorage {
- c.Err = model.NewAppError("uploadFile", "Unable to upload file. Amazon S3 not configured and local server storage turned off. ", "")
+ if len(utils.Cfg.FileSettings.DriverName) == 0 {
+ c.Err = model.NewAppError("uploadFile", "Unable to upload file. Image storage is not configured.", "")
c.Err.StatusCode = http.StatusNotImplemented
return
}
@@ -162,7 +161,7 @@ func fireAndForgetHandleImages(filenames []string, fileData [][]byte, teamId, ch
name := filename[:strings.LastIndex(filename, ".")]
go func() {
// Decode image bytes into Image object
- img, _, err := image.Decode(bytes.NewReader(fileData[i]))
+ img, imgType, err := image.Decode(bytes.NewReader(fileData[i]))
if err != nil {
l4g.Error("Unable to decode image channelId=%v userId=%v filename=%v err=%v", channelId, userId, filename, err)
return
@@ -174,51 +173,34 @@ func fireAndForgetHandleImages(filenames []string, fileData [][]byte, teamId, ch
// Get the image's orientation and ignore any errors since not all images will have orientation data
orientation, _ := getImageOrientation(fileData[i])
- // Create a temporary image that will be manipulated and then used to make the thumbnail and preview image
- var temp *image.RGBA
- switch orientation {
- case Upright, UprightMirrored, UpsideDown, UpsideDownMirrored:
- temp = image.NewRGBA(img.Bounds())
- case RotatedCCW, RotatedCCWMirrored, RotatedCW, RotatedCWMirrored:
- bounds := img.Bounds()
- temp = image.NewRGBA(image.Rect(bounds.Min.Y, bounds.Min.X, bounds.Max.Y, bounds.Max.X))
-
- width, height = height, width
+ if imgType == "png" {
+ dst := image.NewRGBA(img.Bounds())
+ draw.Draw(dst, dst.Bounds(), image.NewUniform(color.White), image.Point{}, draw.Src)
+ draw.Draw(dst, dst.Bounds(), img, img.Bounds().Min, draw.Over)
+ img = dst
}
- // Draw a white background since JPEGs lack transparency
- draw.Draw(temp, temp.Bounds(), image.NewUniform(color.White), image.Point{}, draw.Src)
-
- // Copy the original image onto the temporary one while rotating it as necessary
switch orientation {
- case UpsideDown, UpsideDownMirrored:
- // rotate 180 degrees
- err := graphics.Rotate(temp, img, &graphics.RotateOptions{Angle: math.Pi})
- if err != nil {
- l4g.Error("Unable to rotate image")
- }
- case RotatedCW, RotatedCWMirrored:
- // rotate 90 degrees CCW
- graphics.Rotate(temp, img, &graphics.RotateOptions{Angle: 3 * math.Pi / 2})
- if err != nil {
- l4g.Error("Unable to rotate image")
- }
- case RotatedCCW, RotatedCCWMirrored:
- // rotate 90 degrees CW
- graphics.Rotate(temp, img, &graphics.RotateOptions{Angle: math.Pi / 2})
- if err != nil {
- l4g.Error("Unable to rotate image")
- }
- case Upright, UprightMirrored:
- draw.Draw(temp, temp.Bounds(), img, img.Bounds().Min, draw.Over)
+ case UprightMirrored:
+ img = imaging.FlipH(img)
+ case UpsideDown:
+ img = imaging.Rotate180(img)
+ case UpsideDownMirrored:
+ img = imaging.FlipV(img)
+ case RotatedCWMirrored:
+ img = imaging.Transpose(img)
+ case RotatedCCW:
+ img = imaging.Rotate270(img)
+ case RotatedCCWMirrored:
+ img = imaging.Transverse(img)
+ case RotatedCW:
+ img = imaging.Rotate90(img)
}
- img = temp
-
// Create thumbnail
go func() {
- thumbWidth := float64(utils.Cfg.ImageSettings.ThumbnailWidth)
- thumbHeight := float64(utils.Cfg.ImageSettings.ThumbnailHeight)
+ thumbWidth := float64(utils.Cfg.FileSettings.ThumbnailWidth)
+ thumbHeight := float64(utils.Cfg.FileSettings.ThumbnailHeight)
imgWidth := float64(width)
imgHeight := float64(height)
@@ -226,9 +208,9 @@ func fireAndForgetHandleImages(filenames []string, fileData [][]byte, teamId, ch
if imgHeight < thumbHeight && imgWidth < thumbWidth {
thumbnail = img
} else if imgHeight/imgWidth < thumbHeight/thumbWidth {
- thumbnail = resize.Resize(0, utils.Cfg.ImageSettings.ThumbnailHeight, img, resize.Lanczos3)
+ thumbnail = imaging.Resize(img, 0, utils.Cfg.FileSettings.ThumbnailHeight, imaging.Lanczos)
} else {
- thumbnail = resize.Resize(utils.Cfg.ImageSettings.ThumbnailWidth, 0, img, resize.Lanczos3)
+ thumbnail = imaging.Resize(img, utils.Cfg.FileSettings.ThumbnailWidth, 0, imaging.Lanczos)
}
buf := new(bytes.Buffer)
@@ -247,8 +229,8 @@ func fireAndForgetHandleImages(filenames []string, fileData [][]byte, teamId, ch
// Create preview
go func() {
var preview image.Image
- if width > int(utils.Cfg.ImageSettings.PreviewWidth) {
- preview = resize.Resize(utils.Cfg.ImageSettings.PreviewWidth, utils.Cfg.ImageSettings.PreviewHeight, img, resize.Lanczos3)
+ if width > int(utils.Cfg.FileSettings.PreviewWidth) {
+ preview = imaging.Resize(img, utils.Cfg.FileSettings.PreviewWidth, utils.Cfg.FileSettings.PreviewHeight, imaging.Lanczos)
} else {
preview = img
}
@@ -294,8 +276,8 @@ type ImageGetResult struct {
}
func getFileInfo(c *Context, w http.ResponseWriter, r *http.Request) {
- if !utils.IsS3Configured() && !utils.Cfg.ServiceSettings.UseLocalStorage {
- c.Err = model.NewAppError("getFileInfo", "Unable to get file info. Amazon S3 not configured and local server storage turned off. ", "")
+ if len(utils.Cfg.FileSettings.DriverName) == 0 {
+ c.Err = model.NewAppError("uploadFile", "Unable to get file info. Image storage is not configured.", "")
c.Err.StatusCode = http.StatusNotImplemented
return
}
@@ -357,8 +339,8 @@ func getFileInfo(c *Context, w http.ResponseWriter, r *http.Request) {
}
func getFile(c *Context, w http.ResponseWriter, r *http.Request) {
- if !utils.IsS3Configured() && !utils.Cfg.ServiceSettings.UseLocalStorage {
- c.Err = model.NewAppError("getFile", "Unable to get file. Amazon S3 not configured and local server storage turned off. ", "")
+ if len(utils.Cfg.FileSettings.DriverName) == 0 {
+ c.Err = model.NewAppError("uploadFile", "Unable to get file. Image storage is not configured.", "")
c.Err.StatusCode = http.StatusNotImplemented
return
}
@@ -400,7 +382,7 @@ func getFile(c *Context, w http.ResponseWriter, r *http.Request) {
asyncGetFile(path, fileData)
if len(hash) > 0 && len(data) > 0 && len(teamId) == 26 {
- if !model.ComparePassword(hash, fmt.Sprintf("%v:%v", data, utils.Cfg.ServiceSettings.PublicLinkSalt)) {
+ if !model.ComparePassword(hash, fmt.Sprintf("%v:%v", data, utils.Cfg.FileSettings.PublicLinkSalt)) {
c.Err = model.NewAppError("getFile", "The public link does not appear to be valid", "")
return
}
@@ -426,6 +408,19 @@ func getFile(c *Context, w http.ResponseWriter, r *http.Request) {
w.Header().Set("Cache-Control", "max-age=2592000, public")
w.Header().Set("Content-Length", strconv.Itoa(len(f)))
w.Header().Set("Content-Type", mime.TypeByExtension(filepath.Ext(filename)))
+
+ // attach extra headers to trigger a download on IE and Edge
+ ua := user_agent.New(r.UserAgent())
+ bname, _ := ua.Browser()
+
+ if bname == "Edge" || bname == "Internet Explorer" {
+ // trim off anything before the final / so we just get the file's name
+ parts := strings.Split(filename, "/")
+
+ w.Header().Set("Content-Type", "application/octet-stream")
+ w.Header().Set("Content-Disposition", "attachment;filename=\""+parts[len(parts)-1]+"\"")
+ }
+
w.Write(f)
}
@@ -442,17 +437,17 @@ func asyncGetFile(path string, fileData chan []byte) {
}
func getPublicLink(c *Context, w http.ResponseWriter, r *http.Request) {
- if !utils.Cfg.TeamSettings.AllowPublicLink {
- c.Err = model.NewAppError("getPublicLink", "Public links have been disabled", "")
- c.Err.StatusCode = http.StatusForbidden
- }
-
- if !utils.IsS3Configured() && !utils.Cfg.ServiceSettings.UseLocalStorage {
- c.Err = model.NewAppError("getPublicLink", "Unable to upload file. Amazon S3 not configured and local server storage turned off. ", "")
+ if len(utils.Cfg.FileSettings.DriverName) == 0 {
+ c.Err = model.NewAppError("uploadFile", "Unable to get link. Image storage is not configured.", "")
c.Err.StatusCode = http.StatusNotImplemented
return
}
+ if !utils.Cfg.FileSettings.EnablePublicLink {
+ c.Err = model.NewAppError("getPublicLink", "Public links have been disabled", "")
+ c.Err.StatusCode = http.StatusForbidden
+ }
+
props := model.MapFromJson(r.Body)
filename := props["filename"]
@@ -478,7 +473,7 @@ func getPublicLink(c *Context, w http.ResponseWriter, r *http.Request) {
newProps["time"] = fmt.Sprintf("%v", model.GetMillis())
data := model.MapToJson(newProps)
- hash := model.HashPassword(fmt.Sprintf("%v:%v", data, utils.Cfg.ServiceSettings.PublicLinkSalt))
+ hash := model.HashPassword(fmt.Sprintf("%v:%v", data, utils.Cfg.FileSettings.PublicLinkSalt))
url := fmt.Sprintf("%s/api/v1/files/get/%s/%s/%s?d=%s&h=%s&t=%s", c.GetSiteURL(), channelId, userId, filename, url.QueryEscape(data), url.QueryEscape(hash), c.Session.TeamId)
@@ -511,13 +506,13 @@ func getExport(c *Context, w http.ResponseWriter, r *http.Request) {
func writeFile(f []byte, path string) *model.AppError {
- if utils.IsS3Configured() && !utils.Cfg.ServiceSettings.UseLocalStorage {
+ if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_S3 {
var auth aws.Auth
- auth.AccessKey = utils.Cfg.AWSSettings.S3AccessKeyId
- auth.SecretKey = utils.Cfg.AWSSettings.S3SecretAccessKey
+ auth.AccessKey = utils.Cfg.FileSettings.AmazonS3AccessKeyId
+ auth.SecretKey = utils.Cfg.FileSettings.AmazonS3SecretAccessKey
- s := s3.New(auth, aws.Regions[utils.Cfg.AWSSettings.S3Region])
- bucket := s.Bucket(utils.Cfg.AWSSettings.S3Bucket)
+ s := s3.New(auth, aws.Regions[utils.Cfg.FileSettings.AmazonS3Region])
+ bucket := s.Bucket(utils.Cfg.FileSettings.AmazonS3Bucket)
ext := filepath.Ext(path)
@@ -534,12 +529,12 @@ func writeFile(f []byte, path string) *model.AppError {
if err != nil {
return model.NewAppError("writeFile", "Encountered an error writing to S3", err.Error())
}
- } else if utils.Cfg.ServiceSettings.UseLocalStorage && len(utils.Cfg.ServiceSettings.StorageDirectory) > 0 {
- if err := os.MkdirAll(filepath.Dir(utils.Cfg.ServiceSettings.StorageDirectory+path), 0774); err != nil {
+ } else if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_LOCAL {
+ if err := os.MkdirAll(filepath.Dir(utils.Cfg.FileSettings.Directory+path), 0774); err != nil {
return model.NewAppError("writeFile", "Encountered an error creating the directory for the new file", err.Error())
}
- if err := ioutil.WriteFile(utils.Cfg.ServiceSettings.StorageDirectory+path, f, 0644); err != nil {
+ if err := ioutil.WriteFile(utils.Cfg.FileSettings.Directory+path, f, 0644); err != nil {
return model.NewAppError("writeFile", "Encountered an error writing to local server storage", err.Error())
}
} else {
@@ -551,13 +546,13 @@ func writeFile(f []byte, path string) *model.AppError {
func readFile(path string) ([]byte, *model.AppError) {
- if utils.IsS3Configured() && !utils.Cfg.ServiceSettings.UseLocalStorage {
+ if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_S3 {
var auth aws.Auth
- auth.AccessKey = utils.Cfg.AWSSettings.S3AccessKeyId
- auth.SecretKey = utils.Cfg.AWSSettings.S3SecretAccessKey
+ auth.AccessKey = utils.Cfg.FileSettings.AmazonS3AccessKeyId
+ auth.SecretKey = utils.Cfg.FileSettings.AmazonS3SecretAccessKey
- s := s3.New(auth, aws.Regions[utils.Cfg.AWSSettings.S3Region])
- bucket := s.Bucket(utils.Cfg.AWSSettings.S3Bucket)
+ s := s3.New(auth, aws.Regions[utils.Cfg.FileSettings.AmazonS3Region])
+ bucket := s.Bucket(utils.Cfg.FileSettings.AmazonS3Bucket)
// try to get the file from S3 with some basic retry logic
tries := 0
@@ -573,8 +568,8 @@ func readFile(path string) ([]byte, *model.AppError) {
}
time.Sleep(3000 * time.Millisecond)
}
- } else if utils.Cfg.ServiceSettings.UseLocalStorage && len(utils.Cfg.ServiceSettings.StorageDirectory) > 0 {
- if f, err := ioutil.ReadFile(utils.Cfg.ServiceSettings.StorageDirectory + path); err != nil {
+ } else if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_LOCAL {
+ if f, err := ioutil.ReadFile(utils.Cfg.FileSettings.Directory + path); err != nil {
return nil, model.NewAppError("readFile", "Encountered an error reading from local server storage", err.Error())
} else {
return f, nil
@@ -585,14 +580,14 @@ func readFile(path string) ([]byte, *model.AppError) {
}
func openFileWriteStream(path string) (io.Writer, *model.AppError) {
- if utils.IsS3Configured() && !utils.Cfg.ServiceSettings.UseLocalStorage {
+ if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_S3 {
return nil, model.NewAppError("openFileWriteStream", "S3 is not supported.", "")
- } else if utils.Cfg.ServiceSettings.UseLocalStorage && len(utils.Cfg.ServiceSettings.StorageDirectory) > 0 {
- if err := os.MkdirAll(filepath.Dir(utils.Cfg.ServiceSettings.StorageDirectory+path), 0774); err != nil {
+ } else if utils.Cfg.FileSettings.DriverName == model.IMAGE_DRIVER_LOCAL {
+ if err := os.MkdirAll(filepath.Dir(utils.Cfg.FileSettings.Directory+path), 0774); err != nil {
return nil, model.NewAppError("openFileWriteStream", "Encountered an error creating the directory for the new file", err.Error())
}
- if fileHandle, err := os.Create(utils.Cfg.ServiceSettings.StorageDirectory + path); err != nil {
+ if fileHandle, err := os.Create(utils.Cfg.FileSettings.Directory + path); err != nil {
return nil, model.NewAppError("openFileWriteStream", "Encountered an error writing to local server storage", err.Error())
} else {
fileHandle.Chmod(0644)