8aa5c33999
* Improve caching by adding etags and reducing the max-age * Move caching into middleware. Set cache headers on segments
98 lines
2.7 KiB
Go
98 lines
2.7 KiB
Go
package controllers
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"net/url"
|
|
"path"
|
|
"strings"
|
|
"text/template"
|
|
|
|
log "github.com/sirupsen/logrus"
|
|
|
|
"github.com/gabek/owncast/config"
|
|
"github.com/gabek/owncast/core"
|
|
"github.com/gabek/owncast/router/middleware"
|
|
"github.com/gabek/owncast/utils"
|
|
)
|
|
|
|
type MetadataPage struct {
|
|
Config config.InstanceDetails
|
|
RequestedURL string
|
|
Image string
|
|
Thumbnail string
|
|
TagsString string
|
|
}
|
|
|
|
//IndexHandler handles the default index route
|
|
func IndexHandler(w http.ResponseWriter, r *http.Request) {
|
|
middleware.EnableCors(&w)
|
|
|
|
isIndexRequest := r.URL.Path == "/" || r.URL.Path == "/index.html"
|
|
|
|
// Reject requests for the web UI if it's disabled.
|
|
if isIndexRequest && config.Config.DisableWebFeatures {
|
|
w.WriteHeader(http.StatusNotFound)
|
|
w.Write([]byte("404 - y u ask 4 this? If this is an error let us know: https://github.com/owncast/owncast/issues"))
|
|
return
|
|
}
|
|
|
|
// For search engine bots and social scrapers return a special
|
|
// server-rendered page.
|
|
if utils.IsUserAgentABot(r.UserAgent()) && isIndexRequest {
|
|
handleScraperMetadataPage(w, r)
|
|
return
|
|
}
|
|
|
|
// If the ETags match then return a StatusNotModified
|
|
if responseCode := middleware.ProcessEtags(w, r); responseCode != 0 {
|
|
w.WriteHeader(responseCode)
|
|
return
|
|
}
|
|
|
|
if path.Ext(r.URL.Path) == ".m3u8" {
|
|
middleware.DisableCache(w)
|
|
|
|
clientID := utils.GenerateClientIDFromRequest(r)
|
|
core.SetClientActive(clientID)
|
|
}
|
|
|
|
// Set a cache control max-age header
|
|
middleware.SetCachingHeaders(w, r)
|
|
|
|
http.ServeFile(w, r, path.Join("webroot", r.URL.Path))
|
|
}
|
|
|
|
// 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, err := url.Parse(fmt.Sprintf("http://%s%s", r.Host, r.URL.Path))
|
|
imageURL, err := url.Parse(fmt.Sprintf("http://%s%s", r.Host, config.Config.InstanceDetails.Logo["large"]))
|
|
|
|
status := core.GetStatus()
|
|
|
|
// If the thumbnail does not exist or we're offline then just use the logo image
|
|
var thumbnailURL string
|
|
if status.Online && utils.DoesFileExists("webroot/thumbnail.jpg") {
|
|
thumbnail, err := url.Parse(fmt.Sprintf("http://%s%s", r.Host, "/thumbnail.jpg"))
|
|
if err != nil {
|
|
log.Errorln(err)
|
|
}
|
|
thumbnailURL = thumbnail.String()
|
|
} else {
|
|
thumbnailURL = imageURL.String()
|
|
}
|
|
|
|
tagsString := strings.Join(config.Config.InstanceDetails.Tags, ",")
|
|
metadata := MetadataPage{config.Config.InstanceDetails, fullURL.String(), imageURL.String(), thumbnailURL, tagsString}
|
|
|
|
w.Header().Set("Content-Type", "text/html")
|
|
err = tmpl.Execute(w, metadata)
|
|
|
|
if err != nil {
|
|
log.Panicln(err)
|
|
}
|
|
}
|