89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
package controllers
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import (
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"fmt"
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"net/http"
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"net/url"
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"path"
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"strings"
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"text/template"
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"github.com/mssola/user_agent"
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log "github.com/sirupsen/logrus"
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"github.com/gabek/owncast/config"
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"github.com/gabek/owncast/core"
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"github.com/gabek/owncast/router/middleware"
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"github.com/gabek/owncast/utils"
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)
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type MetadataPage struct {
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Config config.InstanceDetails
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RequestedURL string
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Image string
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Thumbnail string
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TagsString string
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}
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//IndexHandler handles the default index route
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func IndexHandler(w http.ResponseWriter, r *http.Request) {
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middleware.EnableCors(&w)
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isIndexRequest := r.URL.Path == "/" || r.URL.Path == "/index.html"
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// Reject requests for the web UI if it's disabled.
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if isIndexRequest && config.Config.DisableWebFeatures {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("404 - y u ask 4 this? If this is an error let us know: https://github.com/gabek/owncast/issues"))
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return
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}
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ua := user_agent.New(r.UserAgent())
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if ua != nil && ua.Bot() && isIndexRequest {
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handleScraperMetadataPage(w, r)
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return
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}
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http.ServeFile(w, r, path.Join("webroot", r.URL.Path))
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if path.Ext(r.URL.Path) == ".m3u8" {
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middleware.DisableCache(&w)
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clientID := utils.GenerateClientIDFromRequest(r)
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core.SetClientActive(clientID)
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}
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}
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// Return a basic HTML page with server-rendered metadata from the config file
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// to give to Opengraph clients and web scrapers (bots, web crawlers, etc).
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func handleScraperMetadataPage(w http.ResponseWriter, r *http.Request) {
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tmpl := template.Must(template.ParseFiles(path.Join("static", "metadata.html")))
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fullURL, err := url.Parse(fmt.Sprintf("http://%s%s", r.Host, r.URL.Path))
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imageURL, err := url.Parse(fmt.Sprintf("http://%s%s", r.Host, config.Config.InstanceDetails.Logo["large"]))
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// If the thumbnail does not exist then just use the logo image
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var thumbnailURL string
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if utils.DoesFileExists("webroot/thumbnail.jpg") {
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thumbnail, err := url.Parse(fmt.Sprintf("http://%s%s", r.Host, "/thumbnail.jpg"))
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if err != nil {
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log.Errorln(err)
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}
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thumbnailURL = thumbnail.String()
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} else {
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thumbnailURL = imageURL.String()
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}
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tagsString := strings.Join(config.Config.InstanceDetails.Tags, ",")
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metadata := MetadataPage{config.Config.InstanceDetails, fullURL.String(), imageURL.String(), thumbnailURL, tagsString}
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w.Header().Set("Content-Type", "text/html")
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err = tmpl.Execute(w, metadata)
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if err != nil {
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log.Panicln(err)
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}
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}
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