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97 lines
2.7 KiB
97 lines
2.7 KiB
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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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/owncast/owncast/issues")) |
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return |
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} |
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// For search engine bots and social scrapers return a special |
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// server-rendered page. |
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if utils.IsUserAgentABot(r.UserAgent()) && isIndexRequest { |
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handleScraperMetadataPage(w, r) |
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return |
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} |
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// If the ETags match then return a StatusNotModified |
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if responseCode := middleware.ProcessEtags(w, r); responseCode != 0 { |
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w.WriteHeader(responseCode) |
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return |
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} |
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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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// Set a cache control max-age header |
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middleware.SetCachingHeaders(w, r) |
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http.ServeFile(w, r, path.Join("webroot", r.URL.Path)) |
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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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status := core.GetStatus() |
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// If the thumbnail does not exist or we're offline then just use the logo image |
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var thumbnailURL string |
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if status.Online && 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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