213780f0eb
* Update main.css * saving settings now clear old cookies of current domain * Update main.js * Update classic.css * Update settings.go * Update main.css * Update commentlist.jet.html * Update generate.go * Update default_config.yml * Update structs.go * Update default_config.yml * Update find.go * Update find.go * Update stats.go * Update interaction.go
106 lignes
3,7 Kio
Go
106 lignes
3,7 Kio
Go
package torrentController
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import (
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"strconv"
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"strings"
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"net/url"
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"time"
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"github.com/NyaaPantsu/nyaa/models/torrents"
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"github.com/NyaaPantsu/nyaa/models"
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"github.com/NyaaPantsu/nyaa/config"
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"github.com/Stephen304/goscrape"
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"github.com/gin-gonic/gin"
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)
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// ViewHeadHandler : Controller for getting torrent stats
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func GetStatsHandler(c *gin.Context) {
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id, err := strconv.ParseInt(c.Param("id"), 10, 32)
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if err != nil {
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return
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}
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torrent, err := torrents.FindRawByID(uint(id))
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if err != nil {
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return
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}
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var CurrentData models.Scrape
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statsExists := !(models.ORM.Where("torrent_id = ?", id).Find(&CurrentData).RecordNotFound())
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if statsExists {
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//Stats already exist, we check if the torrent stats have been scraped already very recently and if so, we stop there to avoid abuse of the /stats/:id route
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if (CurrentData.Seeders == 0 && CurrentData.Leechers == 0 && CurrentData.Completed == 0) && time.Since(CurrentData.LastScrape).Minutes() <= config.Get().Scrape.MaxStatScrapingFrequencyUnknown {
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//Unknown stats but has been scraped less than X minutes ago (X being the limit set in the config file)
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return
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}
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if (CurrentData.Seeders != 0 || CurrentData.Leechers != 0 || CurrentData.Completed != 0) && time.Since(CurrentData.LastScrape).Minutes() <= config.Get().Scrape.MaxStatScrapingFrequency {
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//Known stats but has been scraped less than X minutes ago (X being the limit set in the config file)
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return
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}
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}
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var Trackers []string
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if len(torrent.Trackers) > 3 {
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for _, line := range strings.Split(torrent.Trackers[3:], "&tr=") {
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tracker, error := url.QueryUnescape(line)
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if error == nil && strings.Contains(tracker, "udp://") {
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Trackers = append(Trackers, tracker)
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}
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//Cannot scrape from http trackers so don't put them in the array
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}
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}
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for _, line := range config.Get().Torrents.Trackers.Default {
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if !contains(Trackers, line) {
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Trackers = append(Trackers, line)
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}
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}
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stats := goscrape.Single(Trackers, []string{
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torrent.Hash,
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})[0]
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//Single() returns an array which contain results for each torrent Hash it is fed, since we only feed him one we want to directly access the results
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//If we put seeders on -1, the script instantly knows the fetching did not give any result, avoiding having to check all three stats below and in view.jet.html's javascript
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if stats.Seeders == 0 && stats.Leechers == 0 && stats.Completed == 0 {
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stats.Seeders = -1
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}
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c.JSON(200, gin.H{
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"seeders": stats.Seeders,
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"leechers": stats.Leechers,
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"downloads": stats.Completed,
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})
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if stats.Seeders == -1 {
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stats.Seeders = 0
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}
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if !statsExists {
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torrent.Scrape = torrent.Scrape.Create(uint(id), uint32(stats.Seeders), uint32(stats.Leechers), uint32(stats.Completed), time.Now())
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//Create entry in the DB because none exist
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} else {
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//Entry in the DB already exists, simply update it
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if (CurrentData.Seeders == 0 && CurrentData.Leechers == 0 && CurrentData.Completed == 0) || (stats.Seeders != 0 && stats.Leechers != 0 && stats.Completed != 0 ) {
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torrent.Scrape = &models.Scrape{uint(id), uint32(stats.Seeders), uint32(stats.Leechers), uint32(stats.Completed), time.Now()}
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} else {
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torrent.Scrape = &models.Scrape{uint(id), uint32(CurrentData.Seeders), uint32(CurrentData.Leechers), uint32(CurrentData.Completed), time.Now()}
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}
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//Only overwrite stats if the old one are Unknown OR if the current ones are not unknown, preventing good stats from being turned into unknown own but allowing good stats to be updated to more reliable ones
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torrent.Scrape.Update(false)
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}
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return
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}
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func contains(s []string, e string) bool {
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for _, a := range s {
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if a == e {
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return true
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}
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}
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return false
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}
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