Add Songwhip plugin

plugins/plugins.go

@@ -292,18 +292,19 @@ var Plugs = Plugins{
 	&Feder{},
 	&Groan{},
 	&Ham{},
-	&HighFive{},
 	&Hi{},
+	&HighFive{},
+	&Homestead{},
 	&LoveYou{},
 	&OpenBSDMan{},
-	&PGP{},
 	&Palette{},
+	&PGP{},
 	&RFC{},
 	&Salute{},
 	&Snap{},
+	&Songwhip{},
 	&Source{},
 	&Thanks{},
-	&Homestead{},
 	&Toki{},
 	&Version{},
 	&Wb{},

plugins/songwhip.go

@@ -0,0 +1,135 @@
+package plugins
+
+import (
+	"fmt"
+	"net/url"
+	"regexp"
+	"time"
+
+	"github.com/matrix-org/gomatrix"
+)
+
+type SongwhipReq struct {
+	URL string `json:"url"`
+}
+
+type SongwhipResp struct {
+	Type     string `json:"type"`
+	ID       int    `json:"id"`
+	Path     string `json:"path"`
+	PagePath string `json:"pagePath"`
+	Name     string `json:"name"`
+	Image    string `json:"image"`
+	Links    struct {
+		Qobuz        bool `json:"qobuz"`
+		Tidal        bool `json:"tidal"`
+		Amazon       bool `json:"amazon"`
+		Deezer       bool `json:"deezer"`
+		Itunes       bool `json:"itunes"`
+		Discogs      bool `json:"discogs"`
+		Napster      bool `json:"napster"`
+		Pandora      bool `json:"pandora"`
+		Spotify      bool `json:"spotify"`
+		Twitter      bool `json:"twitter"`
+		Youtube      bool `json:"youtube"`
+		Bandcamp     bool `json:"bandcamp"`
+		Facebook     bool `json:"facebook"`
+		Audiomack    bool `json:"audiomack"`
+		Instagram    bool `json:"instagram"`
+		LineMusic    bool `json:"lineMusic"`
+		Soundcloud   bool `json:"soundcloud"`
+		AmazonMusic  bool `json:"amazonMusic"`
+		ItunesStore  bool `json:"itunesStore"`
+		MusicBrainz  bool `json:"musicBrainz"`
+		YoutubeMusic bool `json:"youtubeMusic"`
+	} `json:"links"`
+	Description          interface{} `json:"description"`
+	LinksCountries       []string    `json:"linksCountries"`
+	SourceCountry        string      `json:"sourceCountry"`
+	SpotifyID            string      `json:"spotifyId"`
+	CreatedAtTimestamp   int64       `json:"createdAtTimestamp"`
+	RefreshedAtTimestamp int64       `json:"refreshedAtTimestamp"`
+	URL                  string      `json:"url"`
+}
+
+type Songwhip struct{}
+
+// Descr describes this plugin
+func (s *Songwhip) Descr() string {
+	return "Get a songwhip link for a music link"
+}
+
+// Re returns the federation check matching string
+func (s *Songwhip) Re() string {
+	return `(?i)^(?:songwhip: |sw: |music: )(.*)$`
+}
+
+func (s *Songwhip) fix(msg string) string {
+	re := regexp.MustCompile(s.Re())
+	return re.ReplaceAllString(msg, "$1")
+}
+
+// Match determines if we should call the response for Songwhip
+func (s *Songwhip) Match(_, msg string) bool {
+	re := regexp.MustCompile(s.Re())
+	return re.MatchString(msg)
+}
+
+// SetStore we don't need a store here.
+func (s *Songwhip) SetStore(_ PluginStore) {}
+
+func hasService(s string, enabled bool) string {
+	if enabled {
+		return fmt.Sprintf("%s ✅", s)
+	}
+
+	return fmt.Sprintf("%s 🇽", s)
+}
+
+func (s *Songwhip) Process(from, post string) string {
+	musicURL := s.fix(post)
+	if musicURL != "" {
+		_, err := url.Parse(musicURL)
+		if err != nil {
+			return fmt.Sprintf("Please don't abuse this free service. that's not a real url: %q", musicURL)
+		}
+
+		var swresp = &SongwhipResp{}
+
+		var req = HTTPRequest{
+			Timeout: 5 * time.Second,
+			URL:     "https://songwhip.com/",
+			Method:  "POST",
+			ResBody: swresp,
+			ReqBody: &SongwhipReq{
+				URL: musicURL,
+			},
+		}
+		err = req.DoJSON()
+
+		if err != nil {
+			return fmt.Sprintf("sorry %s, I can't look up that link on songwhip (%q)", from, err)
+		}
+
+		return fmt.Sprintf("[%s](%s) (%s) can be found on: %s, %s, %s, %s",
+			swresp.Name,
+			swresp.URL,
+			swresp.Type,
+			hasService("AppleMusic", swresp.Links.Itunes),
+			hasService("Spotify", swresp.Links.Spotify),
+			hasService("Tidal", swresp.Links.Tidal),
+			hasService("YTMusic", swresp.Links.YoutubeMusic),
+		)
+	}
+	return "invalid hostname"
+}
+
+// RespondText to looking up of federation check requests
+func (s *Songwhip) RespondText(c *gomatrix.Client, ev *gomatrix.Event, _, post string) error {
+	return SendMD(c, ev.RoomID, s.Process(ev.Sender, post))
+}
+
+// Name Songwhip!
+func (s *Songwhip) Name() string {
+	return "Songwhip"
+}