Add project

Signed-off-by: Pierre-Emmanuel Jacquier <pierre-emmanuel.jacquier@epitech.eu>

cmd/root.go

@@ -0,0 +1,92 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/pierre-emmanuelJ/iptv-proxy/cmd/routes"
+
+	"github.com/jamesnetherton/m3u"
+	homedir "github.com/mitchellh/go-homedir"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "iptv-proxy",
+	Short: "A brief description of your application",
+	Run: func(cmd *cobra.Command, args []string) {
+		playlist, err := m3u.Parse(viper.GetString("m3u-url"))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		conf := routes.Configuration{
+			Hostname: viper.GetString("hostname"),
+			Port:     viper.GetInt64("port"),
+		}
+
+		if e := routes.Serve(&playlist, conf); e != nil {
+			log.Fatal(e)
+		}
+	},
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "iptv-proxy-config", "C", "config file (default is $HOME/.iptv-proxy.yaml)")
+	rootCmd.Flags().String("m3u-url", "http://example.com/iptv.m3u", "iptv m3u file")
+	rootCmd.Flags().Int64("port", 8080, "Port to expose the IPTVs endpoints")
+	rootCmd.Flags().String("hostname", "", "Hostname or IP to expose the IPTVs endpoints")
+
+	if e := viper.BindPFlags(rootCmd.Flags()); e != nil {
+		log.Fatal("error binding PFlags to viper")
+	}
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if cfgFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(cfgFile)
+	} else {
+		// Find home directory.
+		home, err := homedir.Dir()
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		// Search config in home directory with name ".iptv-proxy" (without extension).
+		viper.AddConfigPath(home)
+		viper.AddConfigPath(".")
+		viper.SetConfigName(".iptv-proxy")
+	}
+
+	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
+
+	viper.AutomaticEnv() // read in environment variables that match
+
+	// If a config file is found, read it in.
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	}
+}

cmd/routes/routes.go

@@ -0,0 +1,102 @@
+package routes
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"net/url"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+	"github.com/jamesnetherton/m3u"
+)
+
+type Configuration struct {
+	Hostname string
+	Port     int64
+}
+
+type ProxyPlaylist struct {
+	playlist *m3u.Playlist
+	track    *m3u.Track
+	conf     *Configuration
+}
+
+// Serve the pfinder api
+func Serve(playlist *m3u.Playlist, conf Configuration) error {
+	router := gin.Default()
+	router.Use(cors.Default())
+	Routes(playlist, conf, router.Group("/"))
+
+	return router.Run(fmt.Sprintf(":%d", conf.Port))
+}
+
+// Routes adds the routes for the app to the RouterGroup r
+func Routes(playlist *m3u.Playlist, conf Configuration, r *gin.RouterGroup) {
+
+	p := ProxyPlaylist{playlist, nil, &conf}
+
+	r.GET("/m3u", p.getM3U)
+
+	for i, track := range playlist.Tracks {
+		oriURL, err := url.Parse(track.URI)
+		if err != nil {
+			return
+		}
+		tmp := &ProxyPlaylist{playlist, &playlist.Tracks[i], &conf}
+		r.GET(oriURL.RequestURI(), tmp.reversProxy)
+	}
+}
+
+func (p *ProxyPlaylist) reversProxy(c *gin.Context) {
+
+	rpURL, err := url.Parse(p.track.URI)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	resp, err := http.Get(rpURL.String())
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	c.Status(resp.StatusCode)
+	c.Stream(func(w io.Writer) bool {
+		io.Copy(w, resp.Body)
+		return false
+	})
+}
+
+func (p *ProxyPlaylist) getM3U(c *gin.Context) {
+	result := "#EXTM3U\n"
+
+	for _, track := range p.playlist.Tracks {
+		result += "#EXTINF:"
+		result += fmt.Sprintf("%d ", track.Length)
+		for i := range track.Tags {
+			if i == len(track.Tags)-1 {
+				result += fmt.Sprintf("%s=%q,", track.Tags[i].Name, track.Tags[i].Value)
+				continue
+			}
+			result += fmt.Sprintf("%s=%q ", track.Tags[i].Name, track.Tags[i].Value)
+		}
+		result += fmt.Sprintf("%s\n", track.Name)
+
+		oriURL, err := url.Parse(track.URI)
+		if err != nil {
+			c.AbortWithError(http.StatusInternalServerError, err)
+			return
+		}
+
+		destURL, err := url.Parse(fmt.Sprintf("http://%s:%d%s", p.conf.Hostname, p.conf.Port, oriURL.RequestURI()))
+		if err != nil {
+			c.AbortWithError(http.StatusInternalServerError, err)
+			return
+		}
+
+		result += fmt.Sprintf("%s\n", destURL.String())
+	}
+
+	c.Data(http.StatusOK, "text/plain", []byte(result))
+}

go.mod

@@ -0,0 +1,12 @@
+module github.com/pierre-emmanuelJ/iptv-proxy
+
+require (
+	github.com/davecgh/go-spew v1.1.1
+	github.com/gin-contrib/cors v0.0.0-20190226021855-50921afdc5c1
+	github.com/gin-gonic/gin v1.3.0
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jamesnetherton/m3u v0.1.1-0.20180924175816-16741c7f081c
+	github.com/mitchellh/go-homedir v1.1.0
+	github.com/spf13/cobra v0.0.3
+	github.com/spf13/viper v1.3.1
+)

go.sum

@@ -0,0 +1,73 @@
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main.go

@@ -0,0 +1,7 @@
+package main
+
+import "github.com/pierre-emmanuelJ/iptv-proxy/cmd"
+
+func main() {
+	cmd.Execute()
+}