Proxy support for several media types

closes #615
closes #635

api/entry.go

@@ -35,12 +35,17 @@ func (h *handler) getEntryFromBuilder(w http.ResponseWriter, r *http.Request, b
 		return
 	}
 
-	entry.Content = proxy.AbsoluteImageProxyRewriter(h.router, r.Host, entry.Content)
-	proxyImage := config.Opts.ProxyImages()
+	entry.Content = proxy.AbsoluteProxyRewriter(h.router, r.Host, entry.Content)
+	proxyOption := config.Opts.ProxyOption()
 
 	for i := range entry.Enclosures {
-		if strings.HasPrefix(entry.Enclosures[i].MimeType, "image/") && (proxyImage == "all" || proxyImage != "none" && !url.IsHTTPS(entry.Enclosures[i].URL)) {
-			entry.Enclosures[i].URL = proxy.AbsoluteProxifyURL(h.router, r.Host, entry.Enclosures[i].URL)
+		if proxyOption == "all" || proxyOption != "none" && !url.IsHTTPS(entry.Enclosures[i].URL) {
+			for _, mediaType := range config.Opts.ProxyMediaTypes() {
+				if strings.HasPrefix(entry.Enclosures[i].MimeType, mediaType+"/") {
+					entry.Enclosures[i].URL = proxy.AbsoluteProxifyURL(h.router, r.Host, entry.Enclosures[i].URL)
+					break
+				}
+			}
 		}
 	}
 
@@ -158,7 +163,7 @@ func (h *handler) findEntries(w http.ResponseWriter, r *http.Request, feedID int
 	}
 
 	for i := range entries {
-		entries[i].Content = proxy.AbsoluteImageProxyRewriter(h.router, r.Host, entries[i].Content)
+		entries[i].Content = proxy.AbsoluteProxyRewriter(h.router, r.Host, entries[i].Content)
 	}
 
 	json.OK(w, r, &entriesResponse{Total: count, Entries: entries})

config/config_test.go

@@ -1163,9 +1163,9 @@ func TestPocketConsumerKeyFromUserPrefs(t *testing.T) {
 	}
 }
 
-func TestProxyImages(t *testing.T) {
+func TestProxyOption(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
 
 	parser := NewParser()
 	opts, err := parser.ParseEnvironmentVariables()
@@ -1174,14 +1174,14 @@ func TestProxyImages(t *testing.T) {
 	}
 
 	expected := "all"
-	result := opts.ProxyImages()
+	result := opts.ProxyOption()
 
 	if result != expected {
-		t.Fatalf(`Unexpected PROXY_IMAGES value, got %q instead of %q`, result, expected)
+		t.Fatalf(`Unexpected PROXY_OPTION value, got %q instead of %q`, result, expected)
 	}
 }
 
-func TestDefaultProxyImagesValue(t *testing.T) {
+func TestDefaultProxyOptionValue(t *testing.T) {
 	os.Clearenv()
 
 	parser := NewParser()
@@ -1190,11 +1190,101 @@ func TestDefaultProxyImagesValue(t *testing.T) {
 		t.Fatalf(`Parsing failure: %v`, err)
 	}
 
-	expected := defaultProxyImages
-	result := opts.ProxyImages()
+	expected := defaultProxyOption
+	result := opts.ProxyOption()
 
 	if result != expected {
-		t.Fatalf(`Unexpected PROXY_IMAGES value, got %q instead of %q`, result, expected)
+		t.Fatalf(`Unexpected PROXY_OPTION value, got %q instead of %q`, result, expected)
+	}
+}
+
+func TestProxyMediaTypes(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("PROXY_MEDIA_TYPES", "image,audio")
+
+	parser := NewParser()
+	opts, err := parser.ParseEnvironmentVariables()
+	if err != nil {
+		t.Fatalf(`Parsing failure: %v`, err)
+	}
+
+	expected := []string{"audio", "image"}
+
+	if len(expected) != len(opts.ProxyMediaTypes()) {
+		t.Fatalf(`Unexpected PROXY_MEDIA_TYPES value, got %v instead of %v`, opts.ProxyMediaTypes(), expected)
+	}
+
+	resultMap := make(map[string]bool)
+	for _, mediaType := range opts.ProxyMediaTypes() {
+		resultMap[mediaType] = true
+	}
+
+	for _, mediaType := range expected {
+		if !resultMap[mediaType] {
+			t.Fatalf(`Unexpected PROXY_MEDIA_TYPES value, got %v instead of %v`, opts.ProxyMediaTypes(), expected)
+		}
+	}
+}
+
+func TestDefaultProxyMediaTypes(t *testing.T) {
+	os.Clearenv()
+
+	parser := NewParser()
+	opts, err := parser.ParseEnvironmentVariables()
+	if err != nil {
+		t.Fatalf(`Parsing failure: %v`, err)
+	}
+
+	expected := []string{"image"}
+
+	if len(expected) != len(opts.ProxyMediaTypes()) {
+		t.Fatalf(`Unexpected PROXY_MEDIA_TYPES value, got %v instead of %v`, opts.ProxyMediaTypes(), expected)
+	}
+
+	resultMap := make(map[string]bool)
+	for _, mediaType := range opts.ProxyMediaTypes() {
+		resultMap[mediaType] = true
+	}
+
+	for _, mediaType := range expected {
+		if !resultMap[mediaType] {
+			t.Fatalf(`Unexpected PROXY_MEDIA_TYPES value, got %v instead of %v`, opts.ProxyMediaTypes(), expected)
+		}
+	}
+}
+
+func TestProxyHTTPClientTimeout(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("PROXY_HTTP_CLIENT_TIMEOUT", "24")
+
+	parser := NewParser()
+	opts, err := parser.ParseEnvironmentVariables()
+	if err != nil {
+		t.Fatalf(`Parsing failure: %v`, err)
+	}
+
+	expected := 24
+	result := opts.ProxyHTTPClientTimeout()
+
+	if result != expected {
+		t.Fatalf(`Unexpected PROXY_HTTP_CLIENT_TIMEOUT value, got %d instead of %d`, result, expected)
+	}
+}
+
+func TestDefaultProxyHTTPClientTimeoutValue(t *testing.T) {
+	os.Clearenv()
+
+	parser := NewParser()
+	opts, err := parser.ParseEnvironmentVariables()
+	if err != nil {
+		t.Fatalf(`Parsing failure: %v`, err)
+	}
+
+	expected := defaultProxyHTTPClientTimeout
+	result := opts.ProxyHTTPClientTimeout()
+
+	if result != expected {
+		t.Fatalf(`Unexpected PROXY_HTTP_CLIENT_TIMEOUT value, got %d instead of %d`, result, expected)
 	}
 }
 
@@ -1297,6 +1387,41 @@ func TestDefaultHTTPClientMaxBodySizeValue(t *testing.T) {
 	}
 }
 
+func TestHTTPServerTimeout(t *testing.T) {
+	os.Clearenv()
+	os.Setenv("HTTP_SERVER_TIMEOUT", "342")
+
+	parser := NewParser()
+	opts, err := parser.ParseEnvironmentVariables()
+	if err != nil {
+		t.Fatalf(`Parsing failure: %v`, err)
+	}
+
+	expected := 342
+	result := opts.HTTPServerTimeout()
+
+	if result != expected {
+		t.Fatalf(`Unexpected HTTP_SERVER_TIMEOUT value, got %d instead of %d`, result, expected)
+	}
+}
+
+func TestDefaultHTTPServerTimeoutValue(t *testing.T) {
+	os.Clearenv()
+
+	parser := NewParser()
+	opts, err := parser.ParseEnvironmentVariables()
+	if err != nil {
+		t.Fatalf(`Parsing failure: %v`, err)
+	}
+
+	expected := defaultHTTPServerTimeout
+	result := opts.HTTPServerTimeout()
+
+	if result != expected {
+		t.Fatalf(`Unexpected HTTP_SERVER_TIMEOUT value, got %d instead of %d`, result, expected)
+	}
+}
+
 func TestParseConfigFile(t *testing.T) {
 	content := []byte(`
  # This is a comment

config/options.go

@@ -46,8 +46,10 @@ const (
 	defaultCleanupArchiveUnreadDays           = 180
 	defaultCleanupArchiveBatchSize            = 10000
 	defaultCleanupRemoveSessionsDays          = 30
-	defaultProxyImages                        = "http-only"
-	defaultProxyImageUrl                      = ""
+	defaultProxyHTTPClientTimeout             = 120
+	defaultProxyOption                        = "http-only"
+	defaultProxyMediaTypes                    = "image"
+	defaultProxyUrl                           = ""
 	defaultFetchYouTubeWatchTime              = false
 	defaultCreateAdmin                        = false
 	defaultAdminUsername                      = ""
@@ -62,6 +64,7 @@ const (
 	defaultHTTPClientTimeout                  = 20
 	defaultHTTPClientMaxBodySize              = 15
 	defaultHTTPClientProxy                    = ""
+	defaultHTTPServerTimeout                  = 300
 	defaultAuthProxyHeader                    = ""
 	defaultAuthProxyUserCreation              = false
 	defaultMaintenanceMode                    = false
@@ -117,8 +120,10 @@ type Options struct {
 	createAdmin                        bool
 	adminUsername                      string
 	adminPassword                      string
-	proxyImages                        string
-	proxyImageUrl                      string
+	proxyHTTPClientTimeout             int
+	proxyOption                        string
+	proxyMediaTypes                    []string
+	proxyUrl                           string
 	fetchYouTubeWatchTime              bool
 	oauth2UserCreationAllowed          bool
 	oauth2ClientID                     string
@@ -131,6 +136,7 @@ type Options struct {
 	httpClientMaxBodySize              int64
 	httpClientProxy                    string
 	httpClientUserAgent                string
+	httpServerTimeout                  int
 	authProxyHeader                    string
 	authProxyUserCreation              bool
 	maintenanceMode                    bool
@@ -181,8 +187,10 @@ func NewOptions() *Options {
 		pollingParsingErrorLimit:           defaultPollingParsingErrorLimit,
 		workerPoolSize:                     defaultWorkerPoolSize,
 		createAdmin:                        defaultCreateAdmin,
-		proxyImages:                        defaultProxyImages,
-		proxyImageUrl:                      defaultProxyImageUrl,
+		proxyHTTPClientTimeout:             defaultProxyHTTPClientTimeout,
+		proxyOption:                        defaultProxyOption,
+		proxyMediaTypes:                    []string{defaultProxyMediaTypes},
+		proxyUrl:                           defaultProxyUrl,
 		fetchYouTubeWatchTime:              defaultFetchYouTubeWatchTime,
 		oauth2UserCreationAllowed:          defaultOAuth2UserCreation,
 		oauth2ClientID:                     defaultOAuth2ClientID,
@@ -195,6 +203,7 @@ func NewOptions() *Options {
 		httpClientMaxBodySize:              defaultHTTPClientMaxBodySize * 1024 * 1024,
 		httpClientProxy:                    defaultHTTPClientProxy,
 		httpClientUserAgent:                defaultHTTPClientUserAgent,
+		httpServerTimeout:                  defaultHTTPServerTimeout,
 		authProxyHeader:                    defaultAuthProxyHeader,
 		authProxyUserCreation:              defaultAuthProxyUserCreation,
 		maintenanceMode:                    defaultMaintenanceMode,
@@ -414,14 +423,24 @@ func (o *Options) FetchYouTubeWatchTime() bool {
 	return o.fetchYouTubeWatchTime
 }
 
-// ProxyImages returns "none" to never proxy, "http-only" to proxy non-HTTPS, "all" to always proxy.
-func (o *Options) ProxyImages() string {
-	return o.proxyImages
+// ProxyOption returns "none" to never proxy, "http-only" to proxy non-HTTPS, "all" to always proxy.
+func (o *Options) ProxyOption() string {
+	return o.proxyOption
 }
 
-// ProxyImageUrl returns a string of a URL to use to proxy image requests
-func (o *Options) ProxyImageUrl() string {
-	return o.proxyImageUrl
+// ProxyMediaTypes returns a slice of media types to proxy.
+func (o *Options) ProxyMediaTypes() []string {
+	return o.proxyMediaTypes
+}
+
+// ProxyUrl returns a string of a URL to use to proxy image requests
+func (o *Options) ProxyUrl() string {
+	return o.proxyUrl
+}
+
+// ProxyHTTPClientTimeout returns the time limit in seconds before the proxy HTTP client cancel the request.
+func (o *Options) ProxyHTTPClientTimeout() int {
+	return o.proxyHTTPClientTimeout
 }
 
 // HasHTTPService returns true if the HTTP service is enabled.
@@ -457,6 +476,11 @@ func (o *Options) HTTPClientProxy() string {
 	return o.httpClientProxy
 }
 
+// HTTPServerTimeout returns the time limit in seconds before the HTTP server cancel the request.
+func (o *Options) HTTPServerTimeout() int {
+	return o.httpServerTimeout
+}
+
 // HasHTTPClientProxyConfigured returns true if the HTTP proxy is configured.
 func (o *Options) HasHTTPClientProxyConfigured() bool {
 	return o.httpClientProxy != ""
@@ -541,6 +565,7 @@ func (o *Options) SortedOptions(redactSecret bool) []*Option {
 		"HTTP_CLIENT_PROXY":                      o.httpClientProxy,
 		"HTTP_CLIENT_TIMEOUT":                    o.httpClientTimeout,
 		"HTTP_CLIENT_USER_AGENT":                 o.httpClientUserAgent,
+		"HTTP_SERVER_TIMEOUT":                    o.httpServerTimeout,
 		"HTTP_SERVICE":                           o.httpService,
 		"KEY_FILE":                               o.certKeyFile,
 		"INVIDIOUS_INSTANCE":                     o.invidiousInstance,
@@ -561,9 +586,11 @@ func (o *Options) SortedOptions(redactSecret bool) []*Option {
 		"POLLING_FREQUENCY":                      o.pollingFrequency,
 		"POLLING_PARSING_ERROR_LIMIT":            o.pollingParsingErrorLimit,
 		"POLLING_SCHEDULER":                      o.pollingScheduler,
-		"PROXY_IMAGES":                           o.proxyImages,
-		"PROXY_IMAGE_URL":                        o.proxyImageUrl,
+		"PROXY_HTTP_CLIENT_TIMEOUT":              o.proxyHTTPClientTimeout,
 		"PROXY_PRIVATE_KEY":                      redactSecretValue(string(o.proxyPrivateKey), redactSecret),
+		"PROXY_MEDIA_TYPES":                      o.proxyMediaTypes,
+		"PROXY_OPTION":                           o.proxyOption,
+		"PROXY_URL":                              o.proxyUrl,
 		"ROOT_URL":                               o.rootURL,
 		"RUN_MIGRATIONS":                         o.runMigrations,
 		"SCHEDULER_ENTRY_FREQUENCY_MAX_INTERVAL": o.schedulerEntryFrequencyMaxInterval,

config/parser.go

@@ -138,10 +138,21 @@ func (p *Parser) parseLines(lines []string) (err error) {
 			p.opts.schedulerEntryFrequencyMinInterval = parseInt(value, defaultSchedulerEntryFrequencyMinInterval)
 		case "POLLING_PARSING_ERROR_LIMIT":
 			p.opts.pollingParsingErrorLimit = parseInt(value, defaultPollingParsingErrorLimit)
+		// kept for compatibility purpose
 		case "PROXY_IMAGES":
-			p.opts.proxyImages = parseString(value, defaultProxyImages)
+			p.opts.proxyOption = parseString(value, defaultProxyOption)
+			p.opts.proxyMediaTypes = append(p.opts.proxyMediaTypes, "image")
+		case "PROXY_HTTP_CLIENT_TIMEOUT":
+			p.opts.proxyHTTPClientTimeout = parseInt(value, defaultProxyHTTPClientTimeout)
+		case "PROXY_OPTION":
+			p.opts.proxyOption = parseString(value, defaultProxyOption)
+		case "PROXY_MEDIA_TYPES":
+			p.opts.proxyMediaTypes = parseStringList(value, []string{defaultProxyMediaTypes})
+		// kept for compatibility purpose
 		case "PROXY_IMAGE_URL":
-			p.opts.proxyImageUrl = parseString(value, defaultProxyImageUrl)
+			p.opts.proxyUrl = parseString(value, defaultProxyUrl)
+		case "PROXY_URL":
+			p.opts.proxyUrl = parseString(value, defaultProxyUrl)
 		case "CREATE_ADMIN":
 			p.opts.createAdmin = parseBool(value, defaultCreateAdmin)
 		case "ADMIN_USERNAME":
@@ -180,6 +191,8 @@ func (p *Parser) parseLines(lines []string) (err error) {
 			p.opts.httpClientProxy = parseString(value, defaultHTTPClientProxy)
 		case "HTTP_CLIENT_USER_AGENT":
 			p.opts.httpClientUserAgent = parseString(value, defaultHTTPClientUserAgent)
+		case "HTTP_SERVER_TIMEOUT":
+			p.opts.httpServerTimeout = parseInt(value, defaultHTTPServerTimeout)
 		case "AUTH_PROXY_HEADER":
 			p.opts.authProxyHeader = parseString(value, defaultAuthProxyHeader)
 		case "AUTH_PROXY_USER_CREATION":

fever/handler.go

@@ -310,7 +310,7 @@ func (h *handler) handleItems(w http.ResponseWriter, r *http.Request) {
 			FeedID:    entry.FeedID,
 			Title:     entry.Title,
 			Author:    entry.Author,
-			HTML:      proxy.AbsoluteImageProxyRewriter(h.router, r.Host, entry.Content),
+			HTML:      proxy.AbsoluteProxyRewriter(h.router, r.Host, entry.Content),
 			URL:       entry.URL,
 			IsSaved:   isSaved,
 			IsRead:    isRead,

googlereader/handler.go

@@ -841,12 +841,17 @@ func (h *handler) streamItemContents(w http.ResponseWriter, r *http.Request) {
 			categories = append(categories, userStarred)
 		}
 
-		entry.Content = proxy.AbsoluteImageProxyRewriter(h.router, r.Host, entry.Content)
-		proxyImage := config.Opts.ProxyImages()
+		entry.Content = proxy.AbsoluteProxyRewriter(h.router, r.Host, entry.Content)
+		proxyOption := config.Opts.ProxyOption()
 
 		for i := range entry.Enclosures {
-			if strings.HasPrefix(entry.Enclosures[i].MimeType, "image/") && (proxyImage == "all" || proxyImage != "none" && !url.IsHTTPS(entry.Enclosures[i].URL)) {
-				entry.Enclosures[i].URL = proxy.AbsoluteProxifyURL(h.router, r.Host, entry.Enclosures[i].URL)
+			if proxyOption == "all" || proxyOption != "none" && !url.IsHTTPS(entry.Enclosures[i].URL) {
+				for _, mediaType := range config.Opts.ProxyMediaTypes() {
+					if strings.HasPrefix(entry.Enclosures[i].MimeType, mediaType+"/") {
+						entry.Enclosures[i].URL = proxy.AbsoluteProxifyURL(h.router, r.Host, entry.Enclosures[i].URL)
+						break
+					}
+				}
 			}
 		}
 

http/response/builder.go

@@ -12,6 +12,8 @@ import (
 	"net/http"
 	"strings"
 	"time"
+
+	"miniflux.app/logger"
 )
 
 const compressionThreshold = 1024
@@ -88,7 +90,10 @@ func (b *Builder) Write() {
 	case io.Reader:
 		// Compression not implemented in this case
 		b.writeHeaders()
-		io.Copy(b.w, v)
+		_, err := io.Copy(b.w, v)
+		if err != nil {
+			logger.Error("%v", err)
+		}
 	}
 }
 

http/response/html/html.go

@@ -72,3 +72,16 @@ func NotFound(w http.ResponseWriter, r *http.Request) {
 func Redirect(w http.ResponseWriter, r *http.Request, uri string) {
 	http.Redirect(w, r, uri, http.StatusFound)
 }
+
+// RequestedRangeNotSatisfiable sends a range not satisfiable error to the client.
+func RequestedRangeNotSatisfiable(w http.ResponseWriter, r *http.Request, contentRange string) {
+	logger.Error("[HTTP:Range Not Satisfiable] %s", r.URL)
+
+	builder := response.New(w, r)
+	builder.WithStatus(http.StatusRequestedRangeNotSatisfiable)
+	builder.WithHeader("Content-Type", "text/html; charset=utf-8")
+	builder.WithHeader("Cache-Control", "no-cache, max-age=0, must-revalidate, no-store")
+	builder.WithHeader("Content-Range", contentRange)
+	builder.WithBody("Range Not Satisfiable")
+	builder.Write()
+}

http/response/html/html_test.go

@@ -210,3 +210,32 @@ func TestRedirectResponse(t *testing.T) {
 		t.Fatalf(`Unexpected redirect location, got %q instead of %q`, actualResult, expectedResult)
 	}
 }
+
+func TestRequestedRangeNotSatisfiable(t *testing.T) {
+	r, err := http.NewRequest("GET", "/", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	w := httptest.NewRecorder()
+
+	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		RequestedRangeNotSatisfiable(w, r, "bytes */12777")
+	})
+
+	handler.ServeHTTP(w, r)
+
+	resp := w.Result()
+	defer resp.Body.Close()
+
+	expectedStatusCode := http.StatusRequestedRangeNotSatisfiable
+	if resp.StatusCode != expectedStatusCode {
+		t.Fatalf(`Unexpected status code, got %d instead of %d`, resp.StatusCode, expectedStatusCode)
+	}
+
+	expectedContentRangeHeader := "bytes */12777"
+	actualContentRangeHeader := resp.Header.Get("Content-Range")
+	if actualContentRangeHeader != expectedContentRangeHeader {
+		t.Fatalf(`Unexpected content range header, got %q instead of %q`, actualContentRangeHeader, expectedContentRangeHeader)
+	}
+}

miniflux.1

@@ -365,13 +365,23 @@ Path to a secret key exposed as a file, it should contain $POCKET_CONSUMER_KEY v
 .br
 Default is empty\&.
 .TP
-.B PROXY_IMAGES
-Avoids mixed content warnings for external images: http-only, all, or none\&.
+.B PROXY_OPTION
+Avoids mixed content warnings for external media: http-only, all, or none\&.
 .br
 Default is http-only\&.
 .TP
-.B PROXY_IMAGE_URL
-Sets a server to proxy images through\&.
+.B PROXY_MEDIA_TYPES
+A list of media types to proxify (comma-separated values): image, audio, video\&.
+.br
+Default is image only\&.
+.TP
+.B PROXY_HTTP_CLIENT_TIMEOUT
+Time limit in seconds before the proxy HTTP client cancel the request\&.
+.br
+Default is 120 seconds\&.
+.TP
+.B PROXY_URL
+Sets a server to proxy media through\&.
 .br
 Default is empty, miniflux does the proxying\&.
 .TP
@@ -397,6 +407,11 @@ When empty, Miniflux uses a default User-Agent that includes the Miniflux versio
 .br
 Default is empty.
 .TP
+.B HTTP_SERVER_TIMEOUT
+Time limit in seconds before the HTTP client cancel the request\&.
+.br
+Default is 300 seconds\&.
+.TP
 .B AUTH_PROXY_HEADER
 Proxy authentication HTTP header\&.
 .br

proxy/image_proxy.go

@@ -1,84 +0,0 @@
-// Copyright 2020 Frédéric Guillot. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
-
-package proxy // import "miniflux.app/proxy"
-
-import (
-	"strings"
-
-	"miniflux.app/config"
-	"miniflux.app/reader/sanitizer"
-	"miniflux.app/url"
-
-	"github.com/PuerkitoBio/goquery"
-	"github.com/gorilla/mux"
-)
-
-type urlProxyRewriter func(router *mux.Router, url string) string
-
-// ImageProxyRewriter replaces image URLs with internal proxy URLs.
-func ImageProxyRewriter(router *mux.Router, data string) string {
-	return genericImageProxyRewriter(router, ProxifyURL, data)
-}
-
-// AbsoluteImageProxyRewriter do the same as ImageProxyRewriter except it uses absolute URLs.
-func AbsoluteImageProxyRewriter(router *mux.Router, host, data string) string {
-	proxifyFunction := func(router *mux.Router, url string) string {
-		return AbsoluteProxifyURL(router, host, url)
-	}
-	return genericImageProxyRewriter(router, proxifyFunction, data)
-}
-
-func genericImageProxyRewriter(router *mux.Router, proxifyFunction urlProxyRewriter, data string) string {
-	proxyImages := config.Opts.ProxyImages()
-	if proxyImages == "none" {
-		return data
-	}
-
-	doc, err := goquery.NewDocumentFromReader(strings.NewReader(data))
-	if err != nil {
-		return data
-	}
-
-	doc.Find("img").Each(func(i int, img *goquery.Selection) {
-		if srcAttrValue, ok := img.Attr("src"); ok {
-			if !isDataURL(srcAttrValue) && (proxyImages == "all" || !url.IsHTTPS(srcAttrValue)) {
-				img.SetAttr("src", proxifyFunction(router, srcAttrValue))
-			}
-		}
-
-		if srcsetAttrValue, ok := img.Attr("srcset"); ok {
-			proxifySourceSet(img, router, proxifyFunction, proxyImages, srcsetAttrValue)
-		}
-	})
-
-	doc.Find("picture source").Each(func(i int, sourceElement *goquery.Selection) {
-		if srcsetAttrValue, ok := sourceElement.Attr("srcset"); ok {
-			proxifySourceSet(sourceElement, router, proxifyFunction, proxyImages, srcsetAttrValue)
-		}
-	})
-
-	output, err := doc.Find("body").First().Html()
-	if err != nil {
-		return data
-	}
-
-	return output
-}
-
-func proxifySourceSet(element *goquery.Selection, router *mux.Router, proxifyFunction urlProxyRewriter, proxyImages, srcsetAttrValue string) {
-	imageCandidates := sanitizer.ParseSrcSetAttribute(srcsetAttrValue)
-
-	for _, imageCandidate := range imageCandidates {
-		if !isDataURL(imageCandidate.ImageURL) && (proxyImages == "all" || !url.IsHTTPS(imageCandidate.ImageURL)) {
-			imageCandidate.ImageURL = proxifyFunction(router, imageCandidate.ImageURL)
-		}
-	}
-
-	element.SetAttr("srcset", imageCandidates.String())
-}
-
-func isDataURL(s string) bool {
-	return strings.HasPrefix(s, "data:")
-}

proxy/media_proxy.go

@@ -0,0 +1,123 @@
+// Copyright 2020 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package proxy // import "miniflux.app/proxy"
+
+import (
+	"strings"
+
+	"miniflux.app/config"
+	"miniflux.app/reader/sanitizer"
+	"miniflux.app/url"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/gorilla/mux"
+)
+
+type urlProxyRewriter func(router *mux.Router, url string) string
+
+// ProxyRewriter replaces media URLs with internal proxy URLs.
+func ProxyRewriter(router *mux.Router, data string) string {
+	return genericProxyRewriter(router, ProxifyURL, data)
+}
+
+// AbsoluteProxyRewriter do the same as ProxyRewriter except it uses absolute URLs.
+func AbsoluteProxyRewriter(router *mux.Router, host, data string) string {
+	proxifyFunction := func(router *mux.Router, url string) string {
+		return AbsoluteProxifyURL(router, host, url)
+	}
+	return genericProxyRewriter(router, proxifyFunction, data)
+}
+
+func genericProxyRewriter(router *mux.Router, proxifyFunction urlProxyRewriter, data string) string {
+	proxyOption := config.Opts.ProxyOption()
+	if proxyOption == "none" {
+		return data
+	}
+
+	doc, err := goquery.NewDocumentFromReader(strings.NewReader(data))
+	if err != nil {
+		return data
+	}
+
+	for _, mediaType := range config.Opts.ProxyMediaTypes() {
+		switch mediaType {
+		case "image":
+			doc.Find("img").Each(func(i int, img *goquery.Selection) {
+				if srcAttrValue, ok := img.Attr("src"); ok {
+					if !isDataURL(srcAttrValue) && (proxyOption == "all" || !url.IsHTTPS(srcAttrValue)) {
+						img.SetAttr("src", proxifyFunction(router, srcAttrValue))
+					}
+				}
+
+				if srcsetAttrValue, ok := img.Attr("srcset"); ok {
+					proxifySourceSet(img, router, proxifyFunction, proxyOption, srcsetAttrValue)
+				}
+			})
+
+			doc.Find("picture source").Each(func(i int, sourceElement *goquery.Selection) {
+				if srcsetAttrValue, ok := sourceElement.Attr("srcset"); ok {
+					proxifySourceSet(sourceElement, router, proxifyFunction, proxyOption, srcsetAttrValue)
+				}
+			})
+
+		case "audio":
+			doc.Find("audio").Each(func(i int, audio *goquery.Selection) {
+				if srcAttrValue, ok := audio.Attr("src"); ok {
+					if !isDataURL(srcAttrValue) && (proxyOption == "all" || !url.IsHTTPS(srcAttrValue)) {
+						audio.SetAttr("src", proxifyFunction(router, srcAttrValue))
+					}
+				}
+			})
+
+			doc.Find("audio source").Each(func(i int, sourceElement *goquery.Selection) {
+				if srcAttrValue, ok := sourceElement.Attr("src"); ok {
+					if !isDataURL(srcAttrValue) && (proxyOption == "all" || !url.IsHTTPS(srcAttrValue)) {
+						sourceElement.SetAttr("src", proxifyFunction(router, srcAttrValue))
+					}
+				}
+			})
+
+		case "video":
+			doc.Find("video").Each(func(i int, video *goquery.Selection) {
+				if srcAttrValue, ok := video.Attr("src"); ok {
+					if !isDataURL(srcAttrValue) && (proxyOption == "all" || !url.IsHTTPS(srcAttrValue)) {
+						video.SetAttr("src", proxifyFunction(router, srcAttrValue))
+					}
+				}
+			})
+
+			doc.Find("video source").Each(func(i int, sourceElement *goquery.Selection) {
+				if srcAttrValue, ok := sourceElement.Attr("src"); ok {
+					if !isDataURL(srcAttrValue) && (proxyOption == "all" || !url.IsHTTPS(srcAttrValue)) {
+						sourceElement.SetAttr("src", proxifyFunction(router, srcAttrValue))
+					}
+				}
+			})
+		}
+	}
+
+	output, err := doc.Find("body").First().Html()
+	if err != nil {
+		return data
+	}
+
+	return output
+}
+
+func proxifySourceSet(element *goquery.Selection, router *mux.Router, proxifyFunction urlProxyRewriter, proxyOption, srcsetAttrValue string) {
+	imageCandidates := sanitizer.ParseSrcSetAttribute(srcsetAttrValue)
+
+	for _, imageCandidate := range imageCandidates {
+		if !isDataURL(imageCandidate.ImageURL) && (proxyOption == "all" || !url.IsHTTPS(imageCandidate.ImageURL)) {
+			imageCandidate.ImageURL = proxifyFunction(router, imageCandidate.ImageURL)
+		}
+	}
+
+	element.SetAttr("srcset", imageCandidates.String())
+}
+
+func isDataURL(s string) bool {
+	return strings.HasPrefix(s, "data:")
+}

proxy/image_proxy_test.go → proxy/media_proxy_test.go

@@ -15,7 +15,9 @@ import (
 
 func TestProxyFilterWithHttpDefault(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "http-only")
+	os.Setenv("PROXY_OPTION", "http-only")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -25,11 +27,11 @@ func TestProxyFilterWithHttpDefault(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="http://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
-	expected := `<p><img src="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" alt="Test"/></p>`
+	output := ProxyRewriter(r, input)
+	expected := `<p><img src="/proxy/okK5PsdNY8F082UMQEAbLPeUFfbe2WnNfInNmR9T4WA=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" alt="Test"/></p>`
 
 	if expected != output {
 		t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
@@ -38,7 +40,8 @@ func TestProxyFilterWithHttpDefault(t *testing.T) {
 
 func TestProxyFilterWithHttpsDefault(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "http-only")
+	os.Setenv("PROXY_OPTION", "http-only")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
 
 	var err error
 	parser := config.NewParser()
@@ -48,10 +51,10 @@ func TestProxyFilterWithHttpsDefault(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
+	output := ProxyRewriter(r, input)
 	expected := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
 
 	if expected != output {
@@ -61,7 +64,7 @@ func TestProxyFilterWithHttpsDefault(t *testing.T) {
 
 func TestProxyFilterWithHttpNever(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "none")
+	os.Setenv("PROXY_OPTION", "none")
 
 	var err error
 	parser := config.NewParser()
@@ -71,10 +74,10 @@ func TestProxyFilterWithHttpNever(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="http://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
+	output := ProxyRewriter(r, input)
 	expected := input
 
 	if expected != output {
@@ -84,7 +87,7 @@ func TestProxyFilterWithHttpNever(t *testing.T) {
 
 func TestProxyFilterWithHttpsNever(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "none")
+	os.Setenv("PROXY_OPTION", "none")
 
 	var err error
 	parser := config.NewParser()
@@ -94,10 +97,10 @@ func TestProxyFilterWithHttpsNever(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
+	output := ProxyRewriter(r, input)
 	expected := input
 
 	if expected != output {
@@ -107,7 +110,9 @@ func TestProxyFilterWithHttpsNever(t *testing.T) {
 
 func TestProxyFilterWithHttpAlways(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -117,11 +122,11 @@ func TestProxyFilterWithHttpAlways(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="http://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
-	expected := `<p><img src="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" alt="Test"/></p>`
+	output := ProxyRewriter(r, input)
+	expected := `<p><img src="/proxy/okK5PsdNY8F082UMQEAbLPeUFfbe2WnNfInNmR9T4WA=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" alt="Test"/></p>`
 
 	if expected != output {
 		t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
@@ -130,7 +135,9 @@ func TestProxyFilterWithHttpAlways(t *testing.T) {
 
 func TestProxyFilterWithHttpsAlways(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -140,11 +147,11 @@ func TestProxyFilterWithHttpsAlways(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
-	expected := `<p><img src="/proxy/aHR0cHM6Ly93ZWJzaXRlL2ZvbGRlci9pbWFnZS5wbmc=" alt="Test"/></p>`
+	output := ProxyRewriter(r, input)
+	expected := `<p><img src="/proxy/LdPNR1GBDigeeNp2ArUQRyZsVqT_PWLfHGjYFrrWWIY=/aHR0cHM6Ly93ZWJzaXRlL2ZvbGRlci9pbWFnZS5wbmc=" alt="Test"/></p>`
 
 	if expected != output {
 		t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
@@ -153,8 +160,9 @@ func TestProxyFilterWithHttpsAlways(t *testing.T) {
 
 func TestProxyFilterWithHttpsAlwaysAndCustomProxyServer(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
-	os.Setenv("PROXY_IMAGE_URL", "https://proxy-example/proxy")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_URL", "https://proxy-example/proxy")
 
 	var err error
 	parser := config.NewParser()
@@ -164,10 +172,10 @@ func TestProxyFilterWithHttpsAlwaysAndCustomProxyServer(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
+	output := ProxyRewriter(r, input)
 	expected := `<p><img src="https://proxy-example/proxy/aHR0cHM6Ly93ZWJzaXRlL2ZvbGRlci9pbWFnZS5wbmc=" alt="Test"/></p>`
 
 	if expected != output {
@@ -177,7 +185,8 @@ func TestProxyFilterWithHttpsAlwaysAndCustomProxyServer(t *testing.T) {
 
 func TestProxyFilterWithHttpInvalid(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "invalid")
+	os.Setenv("PROXY_OPTION", "invalid")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -187,11 +196,11 @@ func TestProxyFilterWithHttpInvalid(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="http://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
-	expected := `<p><img src="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" alt="Test"/></p>`
+	output := ProxyRewriter(r, input)
+	expected := `<p><img src="/proxy/okK5PsdNY8F082UMQEAbLPeUFfbe2WnNfInNmR9T4WA=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" alt="Test"/></p>`
 
 	if expected != output {
 		t.Errorf(`Not expected output: got "%s" instead of "%s"`, output, expected)
@@ -200,7 +209,8 @@ func TestProxyFilterWithHttpInvalid(t *testing.T) {
 
 func TestProxyFilterWithHttpsInvalid(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "invalid")
+	os.Setenv("PROXY_OPTION", "invalid")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -210,10 +220,10 @@ func TestProxyFilterWithHttpsInvalid(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
-	output := ImageProxyRewriter(r, input)
+	output := ProxyRewriter(r, input)
 	expected := `<p><img src="https://website/folder/image.png" alt="Test"/></p>`
 
 	if expected != output {
@@ -223,7 +233,9 @@ func TestProxyFilterWithHttpsInvalid(t *testing.T) {
 
 func TestProxyFilterWithSrcset(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -233,11 +245,11 @@ func TestProxyFilterWithSrcset(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="http://website/folder/image.png" srcset="http://website/folder/image2.png 656w, http://website/folder/image3.png 360w" alt="test"></p>`
-	expected := `<p><img src="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" srcset="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, /proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMy5wbmc= 360w" alt="test"/></p>`
-	output := ImageProxyRewriter(r, input)
+	expected := `<p><img src="/proxy/okK5PsdNY8F082UMQEAbLPeUFfbe2WnNfInNmR9T4WA=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" srcset="/proxy/aY5Hb4urDnUCly2vTJ7ExQeeaVS-52O7kjUr2v9VrAs=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, /proxy/QgAmrJWiAud_nNAsz3F8OTxaIofwAiO36EDzH_YfMzo=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMy5wbmc= 360w" alt="test"/></p>`
+	output := ProxyRewriter(r, input)
 
 	if expected != output {
 		t.Errorf(`Not expected output: got %s`, output)
@@ -246,7 +258,9 @@ func TestProxyFilterWithSrcset(t *testing.T) {
 
 func TestProxyFilterWithEmptySrcset(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -256,11 +270,11 @@ func TestProxyFilterWithEmptySrcset(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<p><img src="http://website/folder/image.png" srcset="" alt="test"></p>`
-	expected := `<p><img src="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" srcset="" alt="test"/></p>`
-	output := ImageProxyRewriter(r, input)
+	expected := `<p><img src="/proxy/okK5PsdNY8F082UMQEAbLPeUFfbe2WnNfInNmR9T4WA=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlLnBuZw==" srcset="" alt="test"/></p>`
+	output := ProxyRewriter(r, input)
 
 	if expected != output {
 		t.Errorf(`Not expected output: got %s`, output)
@@ -269,7 +283,9 @@ func TestProxyFilterWithEmptySrcset(t *testing.T) {
 
 func TestProxyFilterWithPictureSource(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -279,11 +295,11 @@ func TestProxyFilterWithPictureSource(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<picture><source srcset="http://website/folder/image2.png 656w,   http://website/folder/image3.png 360w, https://website/some,image.png 2x"></picture>`
-	expected := `<picture><source srcset="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, /proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMy5wbmc= 360w, /proxy/aHR0cHM6Ly93ZWJzaXRlL3NvbWUsaW1hZ2UucG5n 2x"/></picture>`
-	output := ImageProxyRewriter(r, input)
+	expected := `<picture><source srcset="/proxy/aY5Hb4urDnUCly2vTJ7ExQeeaVS-52O7kjUr2v9VrAs=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, /proxy/QgAmrJWiAud_nNAsz3F8OTxaIofwAiO36EDzH_YfMzo=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMy5wbmc= 360w, /proxy/ZIw0hv8WhSTls5aSqhnFaCXlUrKIqTnBRaY0-NaLnds=/aHR0cHM6Ly93ZWJzaXRlL3NvbWUsaW1hZ2UucG5n 2x"/></picture>`
+	output := ProxyRewriter(r, input)
 
 	if expected != output {
 		t.Errorf(`Not expected output: got %s`, output)
@@ -292,7 +308,9 @@ func TestProxyFilterWithPictureSource(t *testing.T) {
 
 func TestProxyFilterOnlyNonHTTPWithPictureSource(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "https")
+	os.Setenv("PROXY_OPTION", "https")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
+	os.Setenv("PROXY_PRIVATE_KEY", "test")
 
 	var err error
 	parser := config.NewParser()
@@ -302,20 +320,21 @@ func TestProxyFilterOnlyNonHTTPWithPictureSource(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<picture><source srcset="http://website/folder/image2.png 656w, https://website/some,image.png 2x"></picture>`
-	expected := `<picture><source srcset="/proxy/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, https://website/some,image.png 2x"/></picture>`
-	output := ImageProxyRewriter(r, input)
+	expected := `<picture><source srcset="/proxy/aY5Hb4urDnUCly2vTJ7ExQeeaVS-52O7kjUr2v9VrAs=/aHR0cDovL3dlYnNpdGUvZm9sZGVyL2ltYWdlMi5wbmc= 656w, https://website/some,image.png 2x"/></picture>`
+	output := ProxyRewriter(r, input)
 
 	if expected != output {
 		t.Errorf(`Not expected output: got %s`, output)
 	}
 }
 
-func TestImageProxyWithImageDataURL(t *testing.T) {
+func TestProxyWithImageDataURL(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
 
 	var err error
 	parser := config.NewParser()
@@ -325,20 +344,21 @@ func TestImageProxyWithImageDataURL(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<img src="data:image/gif;base64,test">`
 	expected := `<img src="data:image/gif;base64,test"/>`
-	output := ImageProxyRewriter(r, input)
+	output := ProxyRewriter(r, input)
 
 	if expected != output {
 		t.Errorf(`Not expected output: got %s`, output)
 	}
 }
 
-func TestImageProxyWithImageSourceDataURL(t *testing.T) {
+func TestProxyWithImageSourceDataURL(t *testing.T) {
 	os.Clearenv()
-	os.Setenv("PROXY_IMAGES", "all")
+	os.Setenv("PROXY_OPTION", "all")
+	os.Setenv("PROXY_MEDIA_TYPES", "image")
 
 	var err error
 	parser := config.NewParser()
@@ -348,11 +368,11 @@ func TestImageProxyWithImageSourceDataURL(t *testing.T) {
 	}
 
 	r := mux.NewRouter()
-	r.HandleFunc("/proxy/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
+	r.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", func(w http.ResponseWriter, r *http.Request) {}).Name("proxy")
 
 	input := `<picture><source srcset="data:image/gif;base64,test"/></picture>`
 	expected := `<picture><source srcset="data:image/gif;base64,test"/></picture>`
-	output := ImageProxyRewriter(r, input)
+	output := ProxyRewriter(r, input)
 
 	if expected != output {
 		t.Errorf(`Not expected output: got %s`, output)

proxy/proxy.go

@@ -21,7 +21,7 @@ import (
 // ProxifyURL generates a relative URL for a proxified resource.
 func ProxifyURL(router *mux.Router, link string) string {
 	if link != "" {
-		proxyImageUrl := config.Opts.ProxyImageUrl()
+		proxyImageUrl := config.Opts.ProxyUrl()
 
 		if proxyImageUrl == "" {
 			mac := hmac.New(sha256.New, config.Opts.ProxyPrivateKey())
@@ -44,7 +44,7 @@ func ProxifyURL(router *mux.Router, link string) string {
 // AbsoluteProxifyURL generates an absolute URL for a proxified resource.
 func AbsoluteProxifyURL(router *mux.Router, host, link string) string {
 	if link != "" {
-		proxyImageUrl := config.Opts.ProxyImageUrl()
+		proxyImageUrl := config.Opts.ProxyUrl()
 
 		if proxyImageUrl == "" {
 			mac := hmac.New(sha256.New, config.Opts.ProxyPrivateKey())

service/httpd/httpd.go

@@ -37,9 +37,9 @@ func Serve(store *storage.Storage, pool *worker.Pool) *http.Server {
 	certDomain := config.Opts.CertDomain()
 	listenAddr := config.Opts.ListenAddr()
 	server := &http.Server{
-		ReadTimeout:  300 * time.Second,
-		WriteTimeout: 300 * time.Second,
-		IdleTimeout:  300 * time.Second,
+		ReadTimeout:  time.Duration(config.Opts.HTTPServerTimeout()) * time.Second,
+		WriteTimeout: time.Duration(config.Opts.HTTPServerTimeout()) * time.Second,
+		IdleTimeout:  time.Duration(config.Opts.HTTPServerTimeout()) * time.Second,
 		Handler:      setupHandler(store, pool),
 	}
 

template/functions.go

@@ -61,17 +61,25 @@ func (f *funcMap) Map() template.FuncMap {
 			return template.HTML(str)
 		},
 		"proxyFilter": func(data string) string {
-			return proxy.ImageProxyRewriter(f.router, data)
+			return proxy.ProxyRewriter(f.router, data)
 		},
 		"proxyURL": func(link string) string {
-			proxyImages := config.Opts.ProxyImages()
+			proxyOption := config.Opts.ProxyOption()
 
-			if proxyImages == "all" || (proxyImages != "none" && !url.IsHTTPS(link)) {
+			if proxyOption == "all" || (proxyOption != "none" && !url.IsHTTPS(link)) {
 				return proxy.ProxifyURL(f.router, link)
 			}
 
 			return link
 		},
+		"mustBeProxyfied": func(mediaType string) bool {
+			for _, t := range config.Opts.ProxyMediaTypes() {
+				if t == mediaType {
+					return true
+				}
+			}
+			return false
+		},
 		"domain": func(websiteURL string) string {
 			return url.Domain(websiteURL)
 		},

template/templates/views/entry.html

@@ -159,18 +159,26 @@
                 {{ if hasPrefix .MimeType "audio/" }}
                     <div class="enclosure-audio">
                         <audio controls preload="metadata">
-                            <source src="{{ .URL | safeURL }}" type="{{ .MimeType }}">
+				{{ if (and $.user (mustBeProxyfied "audio")) }}
+				    <source src="{{ proxyURL .URL }}" type="{{ .MimeType }}">
+				{{ else }}
+				    <source src="{{ .URL | safeURL }}" type="{{ .MimeType }}">
+				{{ end }}
                         </audio>
                     </div>
                 {{ else if hasPrefix .MimeType "video/" }}
                     <div class="enclosure-video">
                         <video controls preload="metadata">
-                            <source src="{{ .URL | safeURL }}" type="{{ .MimeType }}">
+				{{ if (and $.user (mustBeProxyfied "video")) }}
+				    <source src="{{ proxyURL .URL }}" type="{{ .MimeType }}">
+				{{ else }}
+				    <source src="{{ .URL | safeURL }}" type="{{ .MimeType }}">
+				{{ end }}
                         </video>
                     </div>
                 {{ else if hasPrefix .MimeType "image/" }}
                     <div class="enclosure-image">
-                        {{ if $.user }}
+                        {{ if (and $.user (mustBeProxyfied "image")) }}
                             <img src="{{ proxyURL .URL }}" title="{{ .URL }} ({{ .MimeType }})" loading="lazy" alt="{{ .URL }} ({{ .MimeType }})">
                         {{ else }}
                             <img src="{{ .URL | safeURL }}" title="{{ .URL }} ({{ .MimeType }})" loading="lazy" alt="{{ .URL }} ({{ .MimeType }})">

ui/entry_scraper.go

@@ -67,5 +67,5 @@ func (h *handler) fetchContent(w http.ResponseWriter, r *http.Request) {
 
 	readingTime := locale.NewPrinter(user.Language).Plural("entry.estimated_reading_time", entry.ReadingTime, entry.ReadingTime)
 
-	json.OK(w, r, map[string]string{"content": proxy.ImageProxyRewriter(h.router, entry.Content), "reading_time": readingTime})
+	json.OK(w, r, map[string]string{"content": proxy.ProxyRewriter(h.router, entry.Content), "reading_time": readingTime})
 }

ui/proxy.go

@@ -20,8 +20,8 @@ import (
 	"miniflux.app/logger"
 )
 
-func (h *handler) imageProxy(w http.ResponseWriter, r *http.Request) {
-	// If we receive a "If-None-Match" header, we assume the image is already stored in browser cache.
+func (h *handler) mediaProxy(w http.ResponseWriter, r *http.Request) {
+	// If we receive a "If-None-Match" header, we assume the media is already stored in browser cache.
 	if r.Header.Get("If-None-Match") != "" {
 		w.WriteHeader(http.StatusNotModified)
 		return
@@ -55,10 +55,10 @@ func (h *handler) imageProxy(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	imageURL := string(decodedURL)
-	logger.Debug(`[Proxy] Fetching %q`, imageURL)
+	mediaURL := string(decodedURL)
+	logger.Debug(`[Proxy] Fetching %q`, mediaURL)
 
-	req, err := http.NewRequest("GET", imageURL, nil)
+	req, err := http.NewRequest("GET", mediaURL, nil)
 	if err != nil {
 		html.ServerError(w, r, err)
 		return
@@ -67,8 +67,18 @@ func (h *handler) imageProxy(w http.ResponseWriter, r *http.Request) {
 	// Note: User-Agent HTTP header is omitted to avoid being blocked by bot protection mechanisms.
 	req.Header.Add("Connection", "close")
 
+	forwardedRequestHeader := []string{"Range", "Accept", "Accept-Encoding"}
+	for _, requestHeaderName := range forwardedRequestHeader {
+		if r.Header.Get(requestHeaderName) != "" {
+			req.Header.Add(requestHeaderName, r.Header.Get(requestHeaderName))
+		}
+	}
+
 	clt := &http.Client{
-		Timeout: time.Duration(config.Opts.HTTPClientTimeout()) * time.Second,
+		Transport: &http.Transport{
+			IdleConnTimeout: time.Duration(config.Opts.ProxyHTTPClientTimeout()) * time.Second,
+		},
+		Timeout: time.Duration(config.Opts.ProxyHTTPClientTimeout()) * time.Second,
 	}
 
 	resp, err := clt.Do(req)
@@ -78,8 +88,13 @@ func (h *handler) imageProxy(w http.ResponseWriter, r *http.Request) {
 	}
 	defer resp.Body.Close()
 
-	if resp.StatusCode != http.StatusOK {
-		logger.Error(`[Proxy] Status Code is %d for URL %q`, resp.StatusCode, imageURL)
+	if resp.StatusCode == http.StatusRequestedRangeNotSatisfiable {
+		logger.Error(`[Proxy] Status Code is %d for URL %q`, resp.StatusCode, mediaURL)
+		html.RequestedRangeNotSatisfiable(w, r, resp.Header.Get("Content-Range"))
+		return
+	}
+	if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusPartialContent {
+		logger.Error(`[Proxy] Status Code is %d for URL %q`, resp.StatusCode, mediaURL)
 		html.NotFound(w, r)
 		return
 	}
@@ -87,8 +102,15 @@ func (h *handler) imageProxy(w http.ResponseWriter, r *http.Request) {
 	etag := crypto.HashFromBytes(decodedURL)
 
 	response.New(w, r).WithCaching(etag, 72*time.Hour, func(b *response.Builder) {
+		b.WithStatus(resp.StatusCode)
 		b.WithHeader("Content-Security-Policy", `default-src 'self'`)
 		b.WithHeader("Content-Type", resp.Header.Get("Content-Type"))
+		forwardedResponseHeader := []string{"Content-Encoding", "Content-Type", "Content-Length", "Accept-Ranges", "Content-Range"}
+		for _, responseHeaderName := range forwardedResponseHeader {
+			if resp.Header.Get(responseHeaderName) != "" {
+				b.WithHeader(responseHeaderName, resp.Header.Get(responseHeaderName))
+			}
+		}
 		b.WithBody(resp.Body)
 		b.WithoutCompression()
 		b.Write()

ui/ui.go

@@ -96,7 +96,7 @@ func Serve(router *mux.Router, store *storage.Storage, pool *worker.Pool) {
 	uiRouter.HandleFunc("/entry/status", handler.updateEntriesStatus).Name("updateEntriesStatus").Methods(http.MethodPost)
 	uiRouter.HandleFunc("/entry/save/{entryID}", handler.saveEntry).Name("saveEntry").Methods(http.MethodPost)
 	uiRouter.HandleFunc("/entry/download/{entryID}", handler.fetchContent).Name("fetchContent").Methods(http.MethodPost)
-	uiRouter.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", handler.imageProxy).Name("proxy").Methods(http.MethodGet)
+	uiRouter.HandleFunc("/proxy/{encodedDigest}/{encodedURL}", handler.mediaProxy).Name("proxy").Methods(http.MethodGet)
 	uiRouter.HandleFunc("/entry/bookmark/{entryID}", handler.toggleBookmark).Name("toggleBookmark").Methods(http.MethodPost)
 
 	// Share pages.