Feature(provider/fanza): support hi-res images (#139)

provider/fanza/fanza.go

@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"github.com/antchfx/htmlquery"
+	"github.com/docker/go-units"
 	"github.com/gocolly/colly/v2"
 	"golang.org/x/net/html"
 
@@ -366,6 +367,41 @@ func (fz *FANZA) GetMovieInfoByURL(rawURL string) (info *model.MovieInfo, err er
 		}
 	})
 
+	// Find big thumb/cover images (awsimgsrc.dmm.co.jp)
+	c.OnScraped(func(_ *colly.Response) {
+		start := time.Date(2024, 5, 20, 0, 0, 0, 0, time.UTC)
+		if time.Time(info.ReleaseDate).Before(start) {
+			return // ignore movies released before this date.
+		}
+		if !strings.Contains(info.Homepage, "/digital/videoa") {
+			return // ignore non-digital/videoa typed movies.
+		}
+		d := c.Clone()
+		d.Async = true
+		d.ParseHTTPErrorResponse = false
+		d.OnResponseHeaders(func(r *colly.Response) {
+			if r.Headers.Get("Content-Type") != "image/jpeg" {
+				return // ignore non-image/jpeg contents.
+			}
+			length, _ := strconv.Atoi(r.Headers.Get("Content-Length"))
+			switch {
+			case strings.HasSuffix(info.ThumbURL, path.Base(r.Request.URL.Path)) && length > 100*units.KiB:
+				info.BigThumbURL = r.Request.URL.String()
+			case strings.HasSuffix(info.CoverURL, path.Base(r.Request.URL.Path)) && length > 500*units.KiB:
+				info.BigCoverURL = r.Request.URL.String()
+			}
+			// abort to prevent image content from being downloaded.
+			r.Request.Abort()
+		})
+		d.Visit(strings.ReplaceAll(info.ThumbURL,
+			"https://pics.dmm.co.jp/",
+			"https://awsimgsrc.dmm.co.jp/pics_dig/"))
+		d.Visit(strings.ReplaceAll(info.CoverURL,
+			"https://pics.dmm.co.jp/",
+			"https://awsimgsrc.dmm.co.jp/pics_dig/"))
+		d.Wait()
+	})
+
 	// Final (big thumb image)
 	c.OnScraped(func(_ *colly.Response) {
 		if info.BigThumbURL != "" /* big thumb already exist */ ||

provider/fanza/fanza_test.go

@@ -32,9 +32,11 @@ func TestFANZA_GetMovieInfoByID(t *testing.T) {
 
 func TestFANZA_GetMovieInfoByURL(t *testing.T) {
 	testkit.Test(t, New, []string{
+		"https://www.dmm.co.jp/digital/videoa/-/detail/=/cid=1start00190/",
+		"https://www.dmm.co.jp/digital/videoa/-/detail/=/cid=ebwh00164/",
+		"https://www.dmm.co.jp/digital/videoa/-/detail/=/cid=fpre00106/",
 		"https://www.dmm.co.jp/mono/dvd/-/detail/=/cid=41hodv21810/",
 		"https://www.dmm.co.jp/mono/dvd/-/detail/=/cid=h_346rebd655/",
-		"https://www.dmm.co.jp/digital/videoa/-/detail/=/cid=fpre00106/",
 		"https://www.dmm.co.jp/digital/videoa/-/detail/=/cid=ipvr00231/",
 		"https://www.dmm.co.jp/mono/anime/-/detail/=/cid=196glod0323t/",
 		"https://www.dmm.co.jp/digital/videoc/-/detail/=/cid=fuyu079/",