Merge branch 'master' of https://github.com/gabek/owncast

5 years ago · c28f5d49f6
4 changed files with 91 additions and 0 deletions
--- a/controllers/index.go
+++ b/controllers/index.go
@ -1,18 +1,36 @@
				@@ -1,18 +1,36 @@
 package controllers

 import (
+	"fmt"
+	"log"
 	"net/http"
 	"path"
+	"text/template"

+	"github.com/gabek/owncast/config"
 	"github.com/gabek/owncast/core"
 	"github.com/gabek/owncast/router/middleware"
 	"github.com/gabek/owncast/utils"
+
+	"xojoc.pw/useragent"
 )

+type MetadataPage struct {
+	Config       config.InstanceDetails
+	RequestedURL string
+}
+
 //IndexHandler handles the default index route
 func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	middleware.EnableCors(&w)

+	ua := useragent.Parse(r.UserAgent())
+
+	if ua.Type == useragent.Crawler && r.URL.Path == "/" {
+		handleScraperMetadataPage(w, r)
+		return
+	}
+
 	http.ServeFile(w, r, path.Join("webroot", r.URL.Path))

 	if path.Ext(r.URL.Path) == ".m3u8" {
@ -22,3 +40,19 @@ func IndexHandler(w http.ResponseWriter, r *http.Request) {
				@@ -22,3 +40,19 @@ func IndexHandler(w http.ResponseWriter, r *http.Request) {
 		core.SetClientActive(clientID)
 	}
 }
+
+// Return a basic HTML page with server-rendered metadata from the config file
+// to give to Opengraph clients and web scrapers (bots, web crawlers, etc).
+func handleScraperMetadataPage(w http.ResponseWriter, r *http.Request) {
+	tmpl := template.Must(template.ParseFiles(path.Join("static", "metadata.html")))
+
+	fullURL := fmt.Sprintf("http://%s%s", r.Host, r.URL.Path)
+	metadata := MetadataPage{config.Config.InstanceDetails, fullURL}
+
+	w.Header().Set("Content-Type", "text/html")
+	err := tmpl.Execute(w, metadata)
+
+	if err != nil {
+		log.Panicln(err)
+	}
+}
--- a/go.mod
+++ b/go.mod
@ -18,4 +18,5 @@ require (
				@@ -18,4 +18,5 @@ require (
 	github.com/yutopp/go-rtmp v0.0.0-20191212152852-4e41609a99bb
 	golang.org/x/net v0.0.0-20200602114024-627f9648deb9
 	gopkg.in/yaml.v2 v2.3.0
+	xojoc.pw/useragent v0.0.0-20200116211053-1ec61d55e8fe
 )
--- a/go.sum
+++ b/go.sum
@ -1192,3 +1192,5 @@ rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
				@@ -1192,3 +1192,5 @@ rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
+xojoc.pw/useragent v0.0.0-20200116211053-1ec61d55e8fe h1:KHyqPlOEFFT7OPh4WR7qFzNNndwj1VuwV+rZ+Tb3bio=
+xojoc.pw/useragent v0.0.0-20200116211053-1ec61d55e8fe/go.mod h1:71om/Qz9HbIEjbUrkrzmJiF26FSh6tcwqSFdBBkLtJQ=
--- a/static/metadata.html
+++ b/static/metadata.html
@ -0,0 +1,54 @@
				@@ -0,0 +1,54 @@
+<!doctype html>
+
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+
+  <title>{{.Config.Name}}</title>
+  <meta name="description" content="{{.Config.Summary}}">
+
+  <meta property="og:title" content="{{.Config.Title}}">
+  <meta property="og:site_name" content="{{.Config.Title}}">
+  <meta property="og:url" content="{{.RequestedURL}}">
+  <meta property="og:description" content="{{.Config.Summary}}">
+  <meta property="og:type" content="video">
+  <meta property="og:image" content="{{.Config.Logo.large}}">
+  <meta property="og:image:url" content="{{.Config.Logo.large}}">
+  <meta property='og:video' content='{{.RequestedURL}}hls/stream.m3u8' />
+  <meta property="og:video:height" content="640" />
+  <meta property="og:video:width" content="385" />
+  <meta property="og:video:type" content="application/x-mpegURL" />
+
+  <meta property="twitter:title" content="{{.Config.Title}}">
+  <meta property="twitter:url" content="{{.RequestedURL}}">
+  <meta property="twitter:description" content="{{.Config.Summary}}">
+  <meta property="twitter:image" content="{{.Config.Logo.large}}">
+  <meta property="twitter:site" content="{{.Config.SocialHandles.twitter}}">
+
+</head>
+
+<body>
+  <h1>{{.Config.Title}}</h1>
+  <h2>{{.Config.Name}}</h2>
+
+  <center>
+    <img src="/thumbnail.jpg" width=10% />
+  </center>
+
+  <h3>{{.Config.Summary}}</h3>
+
+  {{range .Config.Tags}}
+    <li>{{.}}</li>
+  {{end}}
+
+  <br/>
+
+  <h3>Connect with {{.Config.Name}} elsewhere by visiting:</h3>
+  
+  {{range .Config.SocialHandles}}
+    <li><a href="{{.}}">{{.}}</a></li>
+  {{end}}
+
+  
+</body>
+</html>