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Code Issues Projects Releases Wiki Activity

Remove peaking, addresses #93

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This commit is contained in:
Philipp Heckel 2022-01-14 12:13:14 -05:00
parent 51583f5d28
commit e50779664d
4 changed files with 24 additions and 101 deletions
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25
server/server.go
View file

@ -18,7 +18,9 @@ import (
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path"
"path/filepath"
"regexp"
"strconv"
@ -459,9 +461,6 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
if err != nil {
return err
}
if err := maybePeakAttachmentURL(m); err != nil {
return err
}
if err := s.handlePublishBody(r, v, m, body); err != nil {
return err
}
@ -507,19 +506,31 @@ func (s *Server) parsePublishParams(r *http.Request, v *visitor, m *message) (ca
firebase = readParam(r, "x-firebase", "firebase") != "no"
m.Title = readParam(r, "x-title", "title", "t")
m.Click = readParam(r, "x-click", "click")
attach := readParam(r, "x-attach", "attach", "a")
filename := readParam(r, "x-filename", "filename", "file", "f")
attach := readParam(r, "x-attach", "attach", "a")
if attach != "" || filename != "" {
m.Attachment = &attachment{}
}
if filename != "" {
m.Attachment.Name = filename
}
if attach != "" {
if !attachURLRegex.MatchString(attach) {
return false, false, "", errHTTPBadRequestAttachmentURLInvalid
}
m.Attachment.URL = attach
}
if filename != "" {
m.Attachment.Name = filename
if m.Attachment.Name == "" {
u, err := url.Parse(m.Attachment.URL)
if err == nil {
m.Attachment.Name = path.Base(u.Path)
if m.Attachment.Name == "." || m.Attachment.Name == "/" {
m.Attachment.Name = ""
}
}
}
if m.Attachment.Name == "" {
m.Attachment.Name = "attachment"
}
}
email = readParam(r, "x-email", "x-e-mail", "email", "e-mail", "mail", "e")
if email != "" {

12
server/server_test.go
View file

@ -743,10 +743,10 @@ func TestServer_PublishAttachmentExternalWithoutFilename(t *testing.T) {
msg := toMessage(t, response.Body.String())
require.Equal(t, "You received a file: Pink_flower.jpg", msg.Message)
require.Equal(t, "Pink_flower.jpg", msg.Attachment.Name)
require.Equal(t, "image/jpeg", msg.Attachment.Type)
require.Equal(t, int64(190173), msg.Attachment.Size)
require.Equal(t, int64(0), msg.Attachment.Expires)
require.Equal(t, "https://upload.wikimedia.org/wikipedia/commons/f/fd/Pink_flower.jpg", msg.Attachment.URL)
require.Equal(t, "", msg.Attachment.Type)
require.Equal(t, int64(0), msg.Attachment.Size)
require.Equal(t, int64(0), msg.Attachment.Expires)
require.Equal(t, "", msg.Attachment.Owner)
// Slightly unrelated cross-test: make sure we don't add an owner for external attachments
@ -764,10 +764,10 @@ func TestServer_PublishAttachmentExternalWithFilename(t *testing.T) {
msg := toMessage(t, response.Body.String())
require.Equal(t, "This is a custom message", msg.Message)
require.Equal(t, "some file.jpg", msg.Attachment.Name)
require.Equal(t, "image/jpeg", msg.Attachment.Type)
require.Equal(t, int64(190173), msg.Attachment.Size)
require.Equal(t, int64(0), msg.Attachment.Expires)
require.Equal(t, "https://upload.wikimedia.org/wikipedia/commons/f/fd/Pink_flower.jpg", msg.Attachment.URL)
require.Equal(t, "", msg.Attachment.Type)
require.Equal(t, int64(0), msg.Attachment.Size)
require.Equal(t, int64(0), msg.Attachment.Expires)
require.Equal(t, "", msg.Attachment.Owner)
}

69
server/util.go
View file

@ -1,69 +0,0 @@
package server
import (
"fmt"
"heckel.io/ntfy/util"
"io"
"net/http"
"net/url"
"path"
"strconv"
"time"
)
const (
peakAttachmentTimeout = 2500 * time.Millisecond
peakAttachmentReadBytes = 128
)
func maybePeakAttachmentURL(m *message) error {
return maybePeakAttachmentURLInternal(m, peakAttachmentTimeout)
}
func maybePeakAttachmentURLInternal(m *message, timeout time.Duration) error {
if m.Attachment == nil || m.Attachment.URL == "" {
return nil
}
client := http.Client{
Timeout: timeout,
Transport: &http.Transport{
DisableCompression: true, // Disable "Accept-Encoding: gzip", otherwise we won't get the Content-Length
Proxy: http.ProxyFromEnvironment,
},
}
req, err := http.NewRequest(http.MethodGet, m.Attachment.URL, nil)
if err != nil {
return err
}
req.Header.Set("User-Agent", "ntfy")
resp, err := client.Do(req)
if err != nil {
return errHTTPBadRequestAttachmentURLPeakGeneral
}
defer resp.Body.Close()
if resp.StatusCode < 200 || resp.StatusCode > 299 {
return errHTTPBadRequestAttachmentURLPeakNon2xx
}
if size, err := strconv.ParseInt(resp.Header.Get("Content-Length"), 10, 64); err == nil {
m.Attachment.Size = size
}
buf := make([]byte, peakAttachmentReadBytes)
io.ReadFull(resp.Body, buf) // Best effort: We don't care about the error
mimeType, ext := util.DetectContentType(buf, m.Attachment.URL)
m.Attachment.Type = resp.Header.Get("Content-Type")
if m.Attachment.Type == "" {
m.Attachment.Type = mimeType
}
if m.Attachment.Name == "" {
u, err := url.Parse(m.Attachment.URL)
if err != nil {
m.Attachment.Name = fmt.Sprintf("attachment%s", ext)
} else {
m.Attachment.Name = path.Base(u.Path)
if m.Attachment.Name == "." || m.Attachment.Name == "/" {
m.Attachment.Name = fmt.Sprintf("attachment%s", ext)
}
}
}
return nil
}

19
server/util_test.go
View file

@ -1,19 +0,0 @@
package server
import (
"github.com/stretchr/testify/require"
"testing"
)
func TestMaybePeakAttachmentURL_Success(t *testing.T) {
m := &message{
Attachment: &attachment{
URL: "https://ntfy.sh/static/img/ntfy.png",
},
}
require.Nil(t, maybePeakAttachmentURL(m))
require.Equal(t, "ntfy.png", m.Attachment.Name)
require.Equal(t, int64(3627), m.Attachment.Size)
require.Equal(t, "image/png", m.Attachment.Type)
require.Equal(t, int64(0), m.Attachment.Expires)
}