v1.3

5 files changed, 617 insertions, 551 deletions

diff --git a/app/config.go b/app/config.go
index 18cea29..96aea40 100644
--- a/app/config.go
+++ b/app/config.go
@@ -2,8 +2,8 @@ package app
 
 import (
 	"encoding/json"
-	"errors"
 	"os"
+	"time"
 )
 
 type cache_config struct {
@@ -15,13 +15,13 @@ type cache_config struct {
 }
 
 type config struct {
-	cfg          string
-	Listen       string
-	BasePath     string `json:"base-path"`
-	Cache        cache_config
-	Proxy, Nsfw  bool
-	WixmpProxy   string `json:"wixmp-proxy"`
-	TemplatesDir string `json:"templates-dir"`
+	cfg           string
+	Listen        string
+	BasePath      string `json:"base-path"`
+	Cache         cache_config
+	Proxy, Nsfw   bool
+	DownloadProxy string   `json:"download-proxy"`
+	Dirs          []string `json:"dirs-to-memory"`
 }
 
 var CFG = config{
@@ -33,51 +33,52 @@ var CFG = config{
 		Path:           "cache",
 		UpdateInterval: 1,
 	},
-	TemplatesDir: "html",
-	Proxy:        true,
-	Nsfw:         true,
+	Dirs:  []string{"html", "css"},
+	Proxy: true,
+	Nsfw:  true,
 }
 
 func ExecuteConfig() {
-	try := func(err error, exitcode int) {
-		if err != nil {
-			println(err.Error())
-			os.Exit(exitcode)
+	go func() {
+		for {
+			Templates["instances.json"] = string(Download("https://git.macaw.me/skunky/SkunkyArt/raw/branch/master/instances.json").Body)
+			time.Sleep(1 * time.Hour)
 		}
-	}
+	}()
 
-	a := os.Args
-	if l := len(a); l > 1 {
-		switch a[1] {
-		case "-c", "--config":
-			if l >= 3 {
-				CFG.cfg = a[2]
-			} else {
-				try(errors.New("Not enought arguments"), 1)
-			}
-		case "-h", "--help":
-			try(errors.New(`SkunkyArt v1.3 [refactoring]
+	const helpmsg = `SkunkyArt v1.3 [refactoring]
 Usage:
 	- [-c|--config] - path to config
 	- [-h|--help]	- returns this message
 Example:
 	./skunkyart -c config.json
-Copyright lost+skunk, X11. https://git.macaw.me/skunky/skunkyart/src/tag/v1.3`), 0)
-		default:
-			try(errors.New("Unreconginzed argument: "+a[1]), 1)
-		}
-		if CFG.cfg != "" {
-			f, err := os.ReadFile(CFG.cfg)
-			try(err, 1)
+Copyright lost+skunk, X11. https://git.macaw.me/skunky/skunkyart/src/tag/v1.3`
 
-			try(json.Unmarshal(f, &CFG), 1)
-			if CFG.Cache.Enabled && !CFG.Proxy {
-				try(errors.New("Incompatible settings detected: cannot use caching media content without proxy"), 1)
+	a := os.Args
+	for n, x := range a {
+		switch x {
+		case "-c", "--config":
+			if len(a) >= 3 {
+				CFG.cfg = a[n+1]
+			} else {
+				exit("Not enought arguments", 1)
 			}
+		case "-h", "--help":
+			exit(helpmsg, 0)
+		}
+	}
 
-			if CFG.Cache.MaxSize != 0 || CFG.Cache.Lifetime != 0 {
-				go InitCacheSystem()
-			}
+	if CFG.cfg != "" {
+		f, err := os.ReadFile(CFG.cfg)
+		try_with_exitstatus(err, 1)
+
+		try_with_exitstatus(json.Unmarshal(f, &CFG), 1)
+		if CFG.Cache.Enabled && !CFG.Proxy {
+			exit("Incompatible settings detected: cannot use caching media content without proxy", 1)
+		}
+
+		if CFG.Cache.MaxSize != 0 || CFG.Cache.Lifetime != 0 {
+			go InitCacheSystem()
 		}
 	}
 }
diff --git a/app/parsers.go b/app/parsers.go
new file mode 100644
index 0000000..0665476
--- /dev/null
+++ b/app/parsers.go
@@ -0,0 +1,367 @@
+package app
+
+import (
+	"encoding/json"
+	"strconv"
+	"strings"
+
+	"git.macaw.me/skunky/devianter"
+	"golang.org/x/net/html"
+)
+
+func (s skunkyart) ParseComments(c devianter.Comments) string {
+	var cmmts strings.Builder
+	replied := make(map[int]string)
+
+	cmmts.WriteString("<details><summary>Comments: <b>")
+	cmmts.WriteString(strconv.Itoa(c.Total))
+	cmmts.WriteString("</b></summary>")
+	for _, x := range c.Thread {
+		replied[x.ID] = x.User.Username
+		cmmts.WriteString(`<div class="msg`)
+		if x.Parent > 0 {
+			cmmts.WriteString(` reply`)
+		}
+		cmmts.WriteString(`"><p id="`)
+		cmmts.WriteString(strconv.Itoa(x.ID))
+		cmmts.WriteString(`"><img src="`)
+		cmmts.WriteString(UrlBuilder("media", "emojitar", x.User.Username, "?type=a"))
+		cmmts.WriteString(`" width="30px" height="30px"><a href="`)
+		cmmts.WriteString(UrlBuilder("group_user", "?q=", x.User.Username, "&type=a"))
+		cmmts.WriteString(`"><b`)
+		cmmts.WriteString(` class="`)
+		if x.User.Banned {
+			cmmts.WriteString(`banned`)
+		}
+		if x.Author {
+			cmmts.WriteString(`author`)
+		}
+		cmmts.WriteString(`">`)
+		cmmts.WriteString(x.User.Username)
+		cmmts.WriteString("</b></a> ")
+
+		if x.Parent > 0 {
+			cmmts.WriteString(` In reply to <a href="#`)
+			cmmts.WriteString(strconv.Itoa(x.Parent))
+			cmmts.WriteString(`">`)
+			if replied[x.Parent] == "" {
+				cmmts.WriteString("???")
+			} else {
+				cmmts.WriteString(replied[x.Parent])
+			}
+			cmmts.WriteString("</a>")
+		}
+		cmmts.WriteString(" [")
+		cmmts.WriteString(x.Posted.UTC().String())
+		cmmts.WriteString("]<p>")
+
+		cmmts.WriteString(ParseDescription(x.TextContent))
+		cmmts.WriteString("<p>👍: ")
+		cmmts.WriteString(strconv.Itoa(x.Likes))
+		cmmts.WriteString(" ⏩: ")
+		cmmts.WriteString(strconv.Itoa(x.Replies))
+		cmmts.WriteString("</p></div>\n")
+	}
+	cmmts.WriteString(s.NavBase(DeviationList{
+		Pages: 0,
+		More:  c.HasMore,
+	}))
+	cmmts.WriteString("</details>")
+	return cmmts.String()
+}
+
+func (s skunkyart) DeviationList(devs []devianter.Deviation, content ...DeviationList) string {
+	var list strings.Builder
+	if s.Atom && s.Page > 1 {
+		s.ReturnHTTPError(400)
+		return ""
+	} else if s.Atom {
+		list.WriteString(`<?xml version="1.0" encoding="UTF-8"?><feed xmlns:media="http://search.yahoo.com/mrss/" xmlns="http://www.w3.org/2005/Atom">`)
+		list.WriteString(`<title>`)
+		if s.Type == 0 {
+			list.WriteString("Daily Deviations")
+		} else if len(devs) != 0 {
+			list.WriteString(devs[0].Author.Username)
+		} else {
+			list.WriteString("SkunkyArt")
+		}
+		list.WriteString(`</title>`)
+
+		list.WriteString(`<link rel="alternate" href="`)
+		list.WriteString(Host)
+		list.WriteString(`"/>`)
+	} else {
+		list.WriteString(`<div class="content">`)
+	}
+	for _, data := range devs {
+		if !(data.NSFW && !CFG.Nsfw) {
+			url := ParseMedia(data.Media)
+			if s.Atom {
+				id := strconv.Itoa(data.ID)
+				list.WriteString(`<entry><author><name>`)
+				list.WriteString(data.Author.Username)
+				list.WriteString(`</name></author><title>`)
+				list.WriteString(data.Title)
+				list.WriteString(`</title><link rel="alternate" type="text/html" href="`)
+				list.WriteString(UrlBuilder("post", data.Author.Username, "atom-"+id))
+				list.WriteString(`"/><id>`)
+				list.WriteString(id)
+				list.WriteString(`</id><published>`)
+				list.WriteString(data.PublishedTime.UTC().Format("Mon, 02 Jan 2006 15:04:05 -0700"))
+				list.WriteString(`</published>`)
+				list.WriteString(`<media:group><media:title>`)
+				list.WriteString(data.Title)
+				list.WriteString(`</media:title><media:thumbinal url="`)
+				list.WriteString(url)
+				list.WriteString(`"/></media:group><content type="xhtml"><div xmlns="http://www.w3.org/1999/xhtml"><a href="`)
+				list.WriteString(ConvertDeviantArtUrlToSkunkyArt(data.Url))
+				list.WriteString(`"><img src="`)
+				list.WriteString(url)
+				list.WriteString(`"/></a><p>`)
+				list.WriteString(ParseDescription(data.TextContent))
+				list.WriteString(`</p></div></content></entry>`)
+			} else {
+				list.WriteString(`<div class="block">`)
+				if url != "" {
+					list.WriteString(`<a title="open/download" href="`)
+					list.WriteString(url)
+					list.WriteString(`"><img loading="lazy" src="`)
+					list.WriteString(url)
+					list.WriteString(`" width="15%"></a>`)
+				} else {
+					list.WriteString(`<h1>[ TEXT ]</h1>`)
+				}
+				list.WriteString(`<br><a href="`)
+				list.WriteString(ConvertDeviantArtUrlToSkunkyArt(data.Url))
+				list.WriteString(`">`)
+				list.WriteString(data.Author.Username)
+				list.WriteString(" - ")
+				list.WriteString(data.Title)
+
+				// шильдики нсфв, аи и ежедневного поста
+				if data.NSFW {
+					list.WriteString(` [<span class="nsfw">NSFW</span>]`)
+				}
+				if data.AI {
+					list.WriteString(" [🤖]")
+				}
+				if data.DD {
+					list.WriteString(` [<span class="dd">DD</span>]`)
+				}
+
+				list.WriteString("</a></div>")
+			}
+		}
+	}
+
+	if s.Atom {
+		list.WriteString("</feed>")
+		s.Writer.Write([]byte(list.String()))
+		return ""
+	} else {
+		list.WriteString("</div>")
+		if content != nil {
+			list.WriteString(s.NavBase(content[0]))
+		}
+	}
+
+	return list.String()
+}
+
+/* DESCRIPTION/COMMENT PARSER */
+type text struct {
+	TXT     string
+	TXT_RAW string
+	From    int
+	To      int
+}
+
+func ParseDescription(dscr devianter.Text) string {
+	var parseddescription strings.Builder
+	TagBuilder := func(content string, tags ...string) string {
+		l := len(tags)
+		for x := 0; x < l; x++ {
+			var htm strings.Builder
+			htm.WriteString("<")
+			htm.WriteString(tags[x])
+			htm.WriteString(">")
+
+			htm.WriteString(content)
+
+			htm.WriteString("</")
+			htm.WriteString(tags[x])
+			htm.WriteString(">")
+			content = htm.String()
+		}
+		return content
+	}
+	DeleteTrackingFromUrl := func(url string) string {
+		if len(url) > 42 && url[:42] == "https://www.deviantart.com/users/outgoing?" {
+			url = url[42:]
+		}
+		return url
+	}
+
+	if description, dl := dscr.Html.Markup, len(dscr.Html.Markup); dl != 0 &&
+		description[0] == '{' &&
+		description[dl-1] == '}' {
+		var descr struct {
+			Blocks []struct {
+				Text, Type        string
+				InlineStyleRanges []struct {
+					Offset, Length int
+					Style          string
+				}
+				EntityRanges []struct {
+					Offset, Length int
+					Key            int
+				}
+				Data struct {
+					TextAlignment string
+				}
+			}
+			EntityMap map[string]struct {
+				Type string
+				Data struct {
+					Url    string
+					Config struct {
+						Aligment string
+						Width    int
+					}
+					Data devianter.Deviation
+				}
+			}
+		}
+		e := json.Unmarshal([]byte(description), &descr)
+		try(e)
+
+		entities := make(map[int]devianter.Deviation)
+		urls := make(map[int]string)
+		for n, x := range descr.EntityMap {
+			num, _ := strconv.Atoi(n)
+			if x.Data.Url != "" {
+				urls[num] = DeleteTrackingFromUrl(x.Data.Url)
+			}
+			entities[num] = x.Data.Data
+		}
+
+		for _, x := range descr.Blocks {
+			Styles := make([]text, len(x.InlineStyleRanges))
+
+			if len(x.InlineStyleRanges) != 0 {
+				var tags = make(map[int][]string)
+				for n, rngs := range x.InlineStyleRanges {
+					Styles := &Styles[n]
+					switch rngs.Style {
+					case "BOLD":
+						rngs.Style = "b"
+					case "UNDERLINE":
+						rngs.Style = "u"
+					case "ITALIC":
+						rngs.Style = "i"
+					}
+					Styles.From = rngs.Offset
+					Styles.To = rngs.Offset + rngs.Length
+					FT := Styles.From * Styles.To
+					tags[FT] = append(tags[FT], rngs.Style)
+				}
+				for n := 0; n < len(Styles); n++ {
+					Styles := &Styles[n]
+					Styles.TXT_RAW = x.Text[Styles.From:Styles.To]
+					Styles.TXT = TagBuilder(Styles.TXT_RAW, tags[Styles.From*Styles.To]...)
+				}
+			}
+
+			switch x.Type {
+			case "atomic":
+				d := entities[x.EntityRanges[0].Key]
+				parseddescription.WriteString(`<a href="`)
+				parseddescription.WriteString(ConvertDeviantArtUrlToSkunkyArt(d.Url))
+				parseddescription.WriteString(`"><img width="50%" src="`)
+				parseddescription.WriteString(ParseMedia(d.Media))
+				parseddescription.WriteString(`" title="`)
+				parseddescription.WriteString(d.Author.Username)
+				parseddescription.WriteString(" - ")
+				parseddescription.WriteString(d.Title)
+				parseddescription.WriteString(`"></a>`)
+			case "unstyled":
+				if l := len(Styles); l != 0 {
+					for n, r := range Styles {
+						var tag string
+						if x.Type == "header-two" {
+							tag = "h2"
+						}
+
+						parseddescription.WriteString(x.Text[:r.From])
+						if len(urls) != 0 && len(x.EntityRanges) != 0 {
+							ra := &x.EntityRanges[0]
+
+							parseddescription.WriteString(`<a target="_blank" href="`)
+							parseddescription.WriteString(urls[ra.Key])
+							parseddescription.WriteString(`">`)
+							parseddescription.WriteString(r.TXT)
+							parseddescription.WriteString(`</a>`)
+						} else if l > n+1 {
+							parseddescription.WriteString(r.TXT)
+						}
+						parseddescription.WriteString(TagBuilder(tag, x.Text[r.To:]))
+					}
+				} else {
+					parseddescription.WriteString(x.Text)
+				}
+			}
+			parseddescription.WriteString("<br>")
+		}
+	} else if dl != 0 {
+		for tt := html.NewTokenizer(strings.NewReader(dscr.Html.Markup)); ; {
+			switch tt.Next() {
+			case html.ErrorToken:
+				return parseddescription.String()
+			case html.StartTagToken, html.EndTagToken, html.SelfClosingTagToken:
+				token := tt.Token()
+				switch token.Data {
+				case "a":
+					for _, a := range token.Attr {
+						if a.Key == "href" {
+							url := DeleteTrackingFromUrl(a.Val)
+							parseddescription.WriteString(`<a target="_blank" href="`)
+							parseddescription.WriteString(url)
+							parseddescription.WriteString(`">`)
+							parseddescription.WriteString(GetValueOfTag(tt))
+							parseddescription.WriteString("</a> ")
+						}
+					}
+				case "img":
+					var uri, title string
+					for b, a := range token.Attr {
+						switch a.Key {
+						case "src":
+							if len(a.Val) > 9 && a.Val[8:9] == "e" {
+								uri = UrlBuilder("media", "emojitar", a.Val[37:len(a.Val)-4], "?type=e")
+							}
+						case "title":
+							title = a.Val
+						}
+						if title != "" {
+							for x := -1; x < b; x++ {
+								parseddescription.WriteString(`<img src="`)
+								parseddescription.WriteString(uri)
+								parseddescription.WriteString(`" title="`)
+								parseddescription.WriteString(title)
+								parseddescription.WriteString(`">`)
+							}
+						}
+					}
+				case "br", "li", "ul", "p", "b":
+					parseddescription.WriteString(token.String())
+				case "div":
+					parseddescription.WriteString("<p> ")
+				}
+			case html.TextToken:
+				parseddescription.Write(tt.Text())
+			}
+		}
+	}
+
+	return parseddescription.String()
+}
diff --git a/app/router.go b/app/router.go
index e833628..f3c59c5 100644
--- a/app/router.go
+++ b/app/router.go
@@ -4,11 +4,12 @@ import (
 	"io"
 	"net/http"
 	u "net/url"
-	"os"
 	"strconv"
 	"strings"
 )
 
+var Host string
+
 func Router() {
 	parsepath := func(path string) map[int]string {
 		if l := len(CFG.BasePath); len(path) > l {
@@ -43,18 +44,18 @@ func Router() {
 
 	// функция, что управляет всем
 	handle := func(w http.ResponseWriter, r *http.Request) {
-		path := parsepath(r.URL.Path)
-		var wr = io.WriteString
-		open_n_send := func(name string) {
-			f, e := os.ReadFile(name)
-			err(e)
-			wr(w, string(f))
+		if h := r.Header["Scheme"]; len(h) != 0 && h[0] == "https" {
+			Host = h[0] + "://" + r.Host
+		} else {
+			Host = "http://" + r.Host
 		}
 
+		path := parsepath(r.URL.Path)
+
 		// структура с функциями
 		var skunky skunkyart
-		skunky.Args = r.URL.Query()
 		skunky.Writer = w
+		skunky.Args = r.URL.Query()
 		skunky.BasePath = CFG.BasePath
 
 		arg := skunky.Args.Get
@@ -95,18 +96,12 @@ func Router() {
 			}
 		case "about":
 			skunky.About()
-		case "gui":
+		case "stylesheet":
 			w.Header().Add("content-type", "text/css")
-			open_n_send(next(path, 2))
+			io.WriteString(w, Templates["css/skunky.css"])
 		}
 	}
 
 	http.HandleFunc("/", handle)
 	http.ListenAndServe(CFG.Listen, nil)
 }
-
-func err(e error) {
-	if e != nil {
-		println(e.Error())
-	}
-}
diff --git a/app/util.go b/app/util.go
index 2270352..7006760 100644
--- a/app/util.go
+++ b/app/util.go
@@ -2,7 +2,6 @@ package app
 
 import (
 	"encoding/base64"
-	"encoding/json"
 	"io"
 	"net/http"
 	u "net/url"
@@ -17,19 +16,36 @@ import (
 	"golang.org/x/net/html"
 )
 
-// парсинг темплейтов
+/* INTERNAL */
+func exit(msg string, code int) {
+	println(msg)
+	os.Exit(code)
+}
+func try(e error) {
+	if e != nil {
+		println(e.Error())
+	}
+}
+func try_with_exitstatus(err error, code int) {
+	if err != nil {
+		exit(err.Error(), code)
+	}
+}
+
+// some crap for frontend
 func (s skunkyart) ExecuteTemplate(file string, data any) {
 	var buf strings.Builder
 	tmp := template.New(file)
 	tmp, e := tmp.Parse(Templates[file])
-	err(e)
-	err(tmp.Execute(&buf, &data))
+	try(e)
+	try(tmp.Execute(&buf, &data))
 	wr(s.Writer, buf.String())
 }
 
 func UrlBuilder(strs ...string) string {
 	var str strings.Builder
 	l := len(strs)
+	str.WriteString(Host)
 	str.WriteString(CFG.BasePath)
 	for n, x := range strs {
 		str.WriteString(x)
@@ -45,7 +61,7 @@ func (s skunkyart) ReturnHTTPError(status int) {
 
 	var msg strings.Builder
 	msg.WriteString(`<html><link rel="stylesheet" href="`)
-	msg.WriteString(UrlBuilder("gui", "css", "skunky.css"))
+	msg.WriteString(UrlBuilder("stylesheet"))
 	msg.WriteString(`" /><h1>`)
 	msg.WriteString(strconv.Itoa(status))
 	msg.WriteString(" - ")
@@ -55,7 +71,131 @@ func (s skunkyart) ReturnHTTPError(status int) {
 	wr(s.Writer, msg.String())
 }
 
-func (s skunkyart) ConvertDeviantArtUrlToSkunkyArt(url string) (output string) {
+type Downloaded struct {
+	Headers http.Header
+	Status  int
+	Body    []byte
+}
+
+func Download(url string) (d Downloaded) {
+	cli := &http.Client{}
+	if CFG.DownloadProxy != "" {
+		u, e := u.Parse(CFG.DownloadProxy)
+		try(e)
+		cli.Transport = &http.Transport{Proxy: http.ProxyURL(u)}
+	}
+
+	req, e := http.NewRequest("GET", url, nil)
+	try(e)
+	req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0.0")
+
+	resp, e := cli.Do(req)
+	try(e)
+	defer resp.Body.Close()
+	b, e := io.ReadAll(resp.Body)
+	try(e)
+
+	d.Body = b
+	d.Status = resp.StatusCode
+	d.Headers = resp.Header
+	return
+}
+
+// caching
+func (s skunkyart) DownloadAndSendMedia(subdomain, path string) {
+	var url strings.Builder
+	url.WriteString("https://images-wixmp-")
+	url.WriteString(subdomain)
+	url.WriteString(".wixmp.com/")
+	url.WriteString(path)
+	url.WriteString("?token=")
+	url.WriteString(s.Args.Get("token"))
+
+	if CFG.Cache.Enabled {
+		os.Mkdir(CFG.Cache.Path, 0700)
+		fname := CFG.Cache.Path + "/" + base64.StdEncoding.EncodeToString([]byte(subdomain+path))
+		file, e := os.Open(fname)
+
+		if e != nil {
+			dwnld := Download(url.String())
+			if dwnld.Status == 200 && dwnld.Headers["Content-Type"][0][:5] == "image" {
+				try(os.WriteFile(fname, dwnld.Body, 0700))
+				s.Writer.Write(dwnld.Body)
+			}
+		} else {
+			file, e := io.ReadAll(file)
+			try(e)
+			s.Writer.Write(file)
+		}
+	} else if CFG.Proxy {
+		dwnld := Download(url.String())
+		s.Writer.Write(dwnld.Body)
+	} else {
+		s.Writer.WriteHeader(403)
+		s.Writer.Write([]byte("Sorry, butt proxy on this instance are disabled."))
+	}
+}
+
+func InitCacheSystem() {
+	c := &CFG.Cache
+	for {
+		dir, e := os.Open(c.Path)
+		try(e)
+		stat, e := dir.Stat()
+		try(e)
+
+		dirnames, e := dir.Readdirnames(-1)
+		try(e)
+		for _, a := range dirnames {
+			a = c.Path + "/" + a
+			if c.Lifetime != 0 {
+				now := time.Now().UnixMilli()
+
+				f, _ := os.Stat(a)
+				stat := f.Sys().(*syscall.Stat_t)
+				time := time.Unix(stat.Ctim.Unix()).UnixMilli()
+
+				if time+c.Lifetime <= now {
+					try(os.RemoveAll(a))
+				}
+			}
+			if c.MaxSize != 0 && stat.Size() > c.MaxSize {
+				try(os.RemoveAll(a))
+			}
+		}
+
+		dir.Close()
+		time.Sleep(time.Second * time.Duration(CFG.Cache.UpdateInterval))
+	}
+}
+
+func CopyTemplatesToMemory() {
+	for _, dirname := range CFG.Dirs {
+		dir, e := os.ReadDir(dirname)
+		try_with_exitstatus(e, 1)
+
+		for _, x := range dir {
+			n := dirname + "/" + x.Name()
+			file, e := os.ReadFile(n)
+			try_with_exitstatus(e, 1)
+			Templates[n] = string(file)
+		}
+	}
+}
+
+/* PARSING HELPERS */
+func ParseMedia(media devianter.Media) string {
+	url := devianter.UrlFromMedia(media)
+	if len(url) != 0 && CFG.Proxy {
+		url = url[21:]
+		dot := strings.Index(url, ".")
+
+		return UrlBuilder("media", "file", url[:dot], url[dot+11:])
+	}
+	return url
+}
+
+func ConvertDeviantArtUrlToSkunkyArt(url string) (output string) {
 	if len(url) > 32 && url[27:32] != "stash" {
 		url = url[27:]
 		toart := strings.Index(url, "/art/")
@@ -78,13 +218,7 @@ func BuildUserPlate(name string) string {
 	return htm.String()
 }
 
-type text struct {
-	TXT  string
-	from int
-	to   int
-}
-
-func tagval(t *html.Tokenizer) string {
+func GetValueOfTag(t *html.Tokenizer) string {
 	for tt := t.Next(); ; {
 		switch tt {
 		default:
@@ -95,198 +229,14 @@ func tagval(t *html.Tokenizer) string {
 	}
 }
 
-func ParseDescription(dscr devianter.Text) string {
-	var parseddescription strings.Builder
-	TagBuilder := func(tag string, content string) string {
-		if tag != "" {
-			var htm strings.Builder
-			htm.WriteString("<")
-			htm.WriteString(tag)
-			htm.WriteString(">")
-
-			htm.WriteString(content)
-
-			htm.WriteString("</")
-			htm.WriteString(tag)
-			htm.WriteString(">")
-			return htm.String()
-		}
-		return content
-	}
-	DeleteSpywareFromUrl := func(url string) string {
-		if len(url) > 42 && url[:42] == "https://www.deviantart.com/users/outgoing?" {
-			url = url[42:]
-		}
-		return url
-	}
-
-	if description, dl := dscr.Html.Markup, len(dscr.Html.Markup); dl != 0 &&
-		description[0] == '{' &&
-		description[dl-1] == '}' {
-		var descr struct {
-			Blocks []struct {
-				Text, Type        string
-				InlineStyleRanges []struct {
-					Offset, Length int
-					Style          string
-				}
-				EntityRanges []struct {
-					Offset, Length int
-					Key            int
-				}
-				Data struct {
-					TextAlignment string
-				}
-			}
-			EntityMap map[string]struct {
-				Type string
-				Data struct {
-					Url    string
-					Config struct {
-						Aligment string
-						Width    int
-					}
-					Data devianter.Deviation
-				}
-			}
-		}
-		e := json.Unmarshal([]byte(description), &descr)
-		err(e)
-
-		entities := make(map[int]devianter.Deviation)
-		urls := make(map[int]string)
-		for n, x := range descr.EntityMap {
-			num, _ := strconv.Atoi(n)
-			if x.Data.Url != "" {
-				urls[num] = DeleteSpywareFromUrl(x.Data.Url)
-			}
-			entities[num] = x.Data.Data
-		}
-
-		for _, x := range descr.Blocks {
-			ranges := make(map[int]text)
-
-			for i, rngs := range x.InlineStyleRanges {
-				var tag string
-
-				switch rngs.Style {
-				case "BOLD":
-					tag = "b"
-				case "UNDERLINE":
-					tag = "u"
-				case "ITALIC":
-					tag = "i"
-				}
-
-				fromto := rngs.Offset + rngs.Length
-				ranges[i] = text{
-					TXT:  TagBuilder(tag, x.Text[rngs.Offset:fromto]),
-					from: rngs.Offset,
-					to:   fromto,
-				}
-			}
-
-			switch x.Type {
-			case "atomic":
-				d := entities[x.EntityRanges[0].Key]
-				parseddescription.WriteString(`<img width="50%" src="`)
-				parseddescription.WriteString(ParseMedia(d.Media))
-				parseddescription.WriteString(`" title="`)
-				parseddescription.WriteString(d.Author.Username)
-				parseddescription.WriteString(" - ")
-				parseddescription.WriteString(d.Title)
-				parseddescription.WriteString(`">`)
-			case "unstyled":
-				if len(ranges) != 0 {
-					for _, r := range ranges {
-						var tag string
-						switch x.Type {
-						case "header-two":
-							tag = "h2"
-						}
-
-						parseddescription.WriteString(x.Text[:r.from])
-						if len(urls) != 0 && len(x.EntityRanges) != 0 {
-							ra := &x.EntityRanges[0]
-
-							parseddescription.WriteString(`<a target="_blank" href="`)
-							parseddescription.WriteString(urls[ra.Key])
-							parseddescription.WriteString(`">`)
-							parseddescription.WriteString(r.TXT)
-							parseddescription.WriteString(`</a>`)
-						} else {
-							parseddescription.WriteString(r.TXT)
-						}
-						parseddescription.WriteString(TagBuilder(tag, x.Text[r.to:]))
-					}
-				} else {
-					parseddescription.WriteString(x.Text)
-				}
-			}
-			parseddescription.WriteString("<br>")
-		}
-	} else if dl != 0 {
-		for tt := html.NewTokenizer(strings.NewReader(dscr.Html.Markup)); ; {
-			switch tt.Next() {
-			case html.ErrorToken:
-				return parseddescription.String()
-			case html.StartTagToken, html.EndTagToken, html.SelfClosingTagToken:
-				token := tt.Token()
-				switch token.Data {
-				case "a":
-					for _, a := range token.Attr {
-						if a.Key == "href" {
-							url := DeleteSpywareFromUrl(a.Val)
-							parseddescription.WriteString(`<a target="_blank" href="`)
-							parseddescription.WriteString(url)
-							parseddescription.WriteString(`">`)
-							parseddescription.WriteString(tagval(tt))
-							parseddescription.WriteString("</a> ")
-						}
-					}
-				case "img":
-					var uri, title string
-					for b, a := range token.Attr {
-						switch a.Key {
-						case "src":
-							if len(a.Val) > 9 && a.Val[8:9] == "e" {
-								uri = UrlBuilder("media", "emojitar", a.Val[37:len(a.Val)-4], "?type=e")
-							}
-						case "title":
-							title = a.Val
-						}
-						if title != "" {
-							for x := -1; x < b; x++ {
-								parseddescription.WriteString(`<img src="`)
-								parseddescription.WriteString(uri)
-								parseddescription.WriteString(`" title="`)
-								parseddescription.WriteString(title)
-								parseddescription.WriteString(`">`)
-							}
-						}
-					}
-				case "br", "li", "ul", "p", "b":
-					parseddescription.WriteString(token.String())
-				case "div":
-					parseddescription.WriteString("<p> ")
-				}
-			case html.TextToken:
-				parseddescription.Write(tt.Text())
-			}
-		}
-	}
-
-	return parseddescription.String()
-}
-
 // навигация по страницам
-type dlist struct {
+type DeviationList struct {
 	Pages int
 	More  bool
 }
 
 // FIXME: на некоротрых артах первая страница может вызывать полное отсутствие панели навигации.
-func (s skunkyart) NavBase(c dlist) string {
+func (s skunkyart) NavBase(c DeviationList) string {
 	// TODO: сделать понятнее
 	// навигация по страницам
 	var list strings.Builder
@@ -333,7 +283,7 @@ func (s skunkyart) NavBase(c dlist) string {
 		}
 
 		// вперёд
-		for x := p; x <= p+6; x++ {
+		for x := p; x <= p+6 && c.Pages > p+6; x++ {
 			if x == p {
 				prevrev("", x, true)
 				x++
@@ -346,277 +296,9 @@ func (s skunkyart) NavBase(c dlist) string {
 	}
 
 	// вперёд-назад
-	if p != 417 || c.More {
+	if c.More {
 		prevrev("| Next =>", p+1, false)
 	}
 
 	return list.String()
 }
-
-func (s skunkyart) DeviationList(devs []devianter.Deviation, content ...dlist) string {
-	var list strings.Builder
-	if s.Atom && s.Page > 1 {
-		s.ReturnHTTPError(400)
-		return ""
-	} else if s.Atom {
-		list.WriteString(`<?xml version="1.0" encoding="UTF-8"?><feed xmlns:media="http://search.yahoo.com/mrss/" xmlns="http://www.w3.org/2005/Atom">`)
-		list.WriteString(`<title>SkunkyArt</title>`)
-		// list.WriteString(`<link rel="alternate" href="HOMEPAGE_URL"/><link href="FEED_URL" rel="self"/>`)
-	} else {
-		list.WriteString(`<div class="content">`)
-	}
-	for _, data := range devs {
-		if !(data.NSFW && !CFG.Nsfw) {
-			url := ParseMedia(data.Media)
-			if s.Atom {
-				id := strconv.Itoa(data.ID)
-				list.WriteString(`<entry><author><name>`)
-				list.WriteString(data.Author.Username)
-				list.WriteString(`</name></author><title>`)
-				list.WriteString(data.Title)
-				list.WriteString(`</title><link rel="alternate" type="text/html" href="`)
-				list.WriteString(UrlBuilder("post", data.Author.Username, "atom-"+id))
-				list.WriteString(`"/><id>`)
-				list.WriteString(id)
-				list.WriteString(`</id><published>`)
-				list.WriteString(data.PublishedTime.UTC().Format("Mon, 02 Jan 2006 15:04:05 -0700"))
-				list.WriteString(`</published>`)
-				list.WriteString(`<media:group><media:title>`)
-				list.WriteString(data.Title)
-				list.WriteString(`</media:title><media:thumbinal url="`)
-				list.WriteString(url)
-				list.WriteString(`"/></media:group><content type="xhtml"><div xmlns="http://www.w3.org/1999/xhtml"><a href="`)
-				list.WriteString(data.Url)
-				list.WriteString(`"><img src="`)
-				list.WriteString(url)
-				list.WriteString(`"/></a><p>`)
-				list.WriteString(ParseDescription(data.TextContent))
-				list.WriteString(`</p></div></content></entry>`)
-			} else {
-				list.WriteString(`<div class="block">`)
-				if url != "" {
-					list.WriteString(`<a title="open/download" href="`)
-					list.WriteString(url)
-					list.WriteString(`"><img loading="lazy" src="`)
-					list.WriteString(url)
-					list.WriteString(`" width="15%"></a>`)
-				} else {
-					list.WriteString(`<h1>[ TEXT ]</h1>`)
-				}
-				list.WriteString(`<br><a href="`)
-				list.WriteString(s.ConvertDeviantArtUrlToSkunkyArt(data.Url))
-				list.WriteString(`">`)
-				list.WriteString(data.Author.Username)
-				list.WriteString(" - ")
-				list.WriteString(data.Title)
-
-				// шильдики нсфв, аи и ежедневного поста
-				if data.NSFW {
-					list.WriteString(` [<span class="nsfw">NSFW</span>]`)
-				}
-				if data.AI {
-					list.WriteString(" [🤖]")
-				}
-				if data.DD {
-					list.WriteString(` [<span class="dd">DD</span>]`)
-				}
-
-				list.WriteString("</a></div>")
-			}
-		}
-	}
-
-	if s.Atom {
-		list.WriteString("</feed>")
-		s.Writer.Write([]byte(list.String()))
-		return ""
-	} else {
-		list.WriteString("</div>")
-		if content != nil {
-			list.WriteString(s.NavBase(content[0]))
-		}
-	}
-
-	return list.String()
-}
-
-func (s skunkyart) ParseComments(c devianter.Comments) string {
-	var cmmts strings.Builder
-	replied := make(map[int]string)
-
-	cmmts.WriteString("<details><summary>Comments: <b>")
-	cmmts.WriteString(strconv.Itoa(c.Total))
-	cmmts.WriteString("</b></summary>")
-	for _, x := range c.Thread {
-		replied[x.ID] = x.User.Username
-		cmmts.WriteString(`<div class="msg`)
-		if x.Parent > 0 {
-			cmmts.WriteString(` reply`)
-		}
-		cmmts.WriteString(`"><p id="`)
-		cmmts.WriteString(strconv.Itoa(x.ID))
-		cmmts.WriteString(`"><img src="`)
-		cmmts.WriteString(UrlBuilder("media", "emojitar", x.User.Username, "?type=a"))
-		cmmts.WriteString(`" width="30px" height="30px"><a href="`)
-		cmmts.WriteString(UrlBuilder("group_user", "?q=", x.User.Username, "&type=a"))
-		cmmts.WriteString(`"><b`)
-		cmmts.WriteString(` class="`)
-		if x.User.Banned {
-			cmmts.WriteString(`banned`)
-		}
-		if x.Author {
-			cmmts.WriteString(`author`)
-		}
-		cmmts.WriteString(`">`)
-		cmmts.WriteString(x.User.Username)
-		cmmts.WriteString("</b></a> ")
-
-		if x.Parent > 0 {
-			cmmts.WriteString(` In reply to <a href="#`)
-			cmmts.WriteString(strconv.Itoa(x.Parent))
-			cmmts.WriteString(`">`)
-			if replied[x.Parent] == "" {
-				cmmts.WriteString("???")
-			} else {
-				cmmts.WriteString(replied[x.Parent])
-			}
-			cmmts.WriteString("</a>")
-		}
-		cmmts.WriteString(" [")
-		cmmts.WriteString(x.Posted.UTC().String())
-		cmmts.WriteString("]<p>")
-
-		cmmts.WriteString(ParseDescription(x.TextContent))
-		cmmts.WriteString("<p>👍: ")
-		cmmts.WriteString(strconv.Itoa(x.Likes))
-		cmmts.WriteString(" ⏩: ")
-		cmmts.WriteString(strconv.Itoa(x.Replies))
-		cmmts.WriteString("</p></div>\n")
-	}
-	cmmts.WriteString(s.NavBase(dlist{
-		Pages: 0,
-		More:  c.HasMore,
-	}))
-	cmmts.WriteString("</details>")
-	return cmmts.String()
-}
-
-func ParseMedia(media devianter.Media) string {
-	url := devianter.UrlFromMedia(media)
-	if len(url) != 0 {
-		url = url[21:]
-		dot := strings.Index(url, ".")
-
-		return UrlBuilder("media", "file", url[:dot], "/", url[dot+10:])
-	}
-	return ""
-}
-
-func (s skunkyart) DownloadAndSendMedia(subdomain, path string) {
-	var url strings.Builder
-	url.WriteString("https://images-wixmp-")
-	url.WriteString(subdomain)
-	url.WriteString(".wixmp.com/")
-	url.WriteString(path)
-	url.WriteString("?token=")
-	url.WriteString(s.Args.Get("token"))
-
-	download := func() (body []byte, status int, headers http.Header) {
-		cli := &http.Client{}
-		if CFG.WixmpProxy != "" {
-			u, e := u.Parse(CFG.WixmpProxy)
-			err(e)
-			cli.Transport = &http.Transport{Proxy: http.ProxyURL(u)}
-		}
-
-		req, e := http.NewRequest("GET", url.String(), nil)
-		err(e)
-		req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0.0")
-
-		resp, e := cli.Do(req)
-		err(e)
-		defer resp.Body.Close()
-
-		b, e := io.ReadAll(resp.Body)
-		err(e)
-		return b, resp.StatusCode, resp.Header
-	}
-
-	if CFG.Cache.Enabled {
-		os.Mkdir(CFG.Cache.Path, 0700)
-		fname := CFG.Cache.Path + "/" + base64.StdEncoding.EncodeToString([]byte(subdomain+path))
-		file, e := os.Open(fname)
-
-		if e != nil {
-			b, status, headers := download()
-			if status == 200 && headers["Content-Type"][0][:5] == "image" {
-				err(os.WriteFile(fname, b, 0700))
-				s.Writer.Write(b)
-			}
-		} else {
-			file, e := io.ReadAll(file)
-			err(e)
-			s.Writer.Write(file)
-		}
-	} else if CFG.Proxy {
-		b, _, _ := download()
-		s.Writer.Write(b)
-	} else {
-		s.Writer.WriteHeader(403)
-		s.Writer.Write([]byte("Sorry, butt proxy on this instance disabled."))
-	}
-}
-
-func InitCacheSystem() {
-	c := &CFG.Cache
-	for {
-		dir, e := os.Open(c.Path)
-		err(e)
-		stat, e := dir.Stat()
-		err(e)
-
-		dirnames, e := dir.Readdirnames(-1)
-		err(e)
-		for _, a := range dirnames {
-			a = c.Path + "/" + a
-			rm := func() {
-				err(os.RemoveAll(a))
-			}
-			if c.Lifetime != 0 {
-				now := time.Now().UnixMilli()
-
-				f, _ := os.Stat(a)
-				stat := f.Sys().(*syscall.Stat_t)
-				time := time.Unix(stat.Ctim.Unix()).UnixMilli()
-
-				if time+c.Lifetime <= now {
-					rm()
-				}
-			}
-			if c.MaxSize != 0 && stat.Size() > c.MaxSize {
-				rm()
-			}
-		}
-
-		dir.Close()
-		time.Sleep(time.Second * time.Duration(CFG.Cache.UpdateInterval))
-	}
-}
-
-func CopyTemplatesToMemory() {
-	try := func(e error) {
-		if e != nil {
-			panic(e.Error())
-		}
-	}
-
-	dir, e := os.ReadDir(CFG.TemplatesDir)
-	try(e)
-
-	for _, x := range dir {
-		n := CFG.TemplatesDir + "/" + x.Name()
-		file, e := os.ReadFile(n)
-		try(e)
-		Templates[n] = string(file)
-	}
-}
diff --git a/app/wrapper.go b/app/wrapper.go
index 0303c6a..165522e 100644
--- a/app/wrapper.go
+++ b/app/wrapper.go
@@ -1,6 +1,7 @@
 package app
 
 import (
+	"encoding/json"
 	"io"
 	"net/http"
 	"net/url"
@@ -17,17 +18,33 @@ var wr = io.WriteString
 var Templates = make(map[string]string)
 
 type skunkyart struct {
-	Writer          http.ResponseWriter
+	Writer http.ResponseWriter
+
 	Args            url.Values
 	BasePath        string
 	Type            rune
 	Query, QueryRaw string
 	Page            int
 	Atom            bool
-	Templates       struct {
+
+	Templates struct {
 		About struct {
-			Proxy bool
-			Nsfw  bool
+			Proxy     bool
+			Nsfw      bool
+			Instances []struct {
+				Title   string
+				Country string
+				Urls    []struct {
+					I2P      string `json:"i2p"`
+					Ygg      string
+					Tor      string
+					Clearnet string
+				}
+				Settings struct {
+					Nsfw  bool
+					Proxy bool
+				}
+			}
 		}
 
 		SomeList  string
@@ -127,7 +144,7 @@ func (s skunkyart) GRUser() {
 
 			case "cover_deviation":
 				group.About.BGMeta = x.ModuleData.CoverDeviation.Deviation
-				group.About.BGMeta.Url = s.ConvertDeviantArtUrlToSkunkyArt(group.About.BGMeta.Url)
+				group.About.BGMeta.Url = ConvertDeviantArtUrlToSkunkyArt(group.About.BGMeta.Url)
 				group.About.BG = ParseMedia(group.About.BGMeta.Media)
 			case "group_admins":
 				var htm strings.Builder
@@ -146,7 +163,7 @@ func (s skunkyart) GRUser() {
 
 		gallery := g.Gallery(s.Page, folderid)
 		if folderid > 0 {
-			group.Gallery.List = s.DeviationList(gallery.Content.Results, dlist{
+			group.Gallery.List = s.DeviationList(gallery.Content.Results, DeviationList{
 				More: gallery.Content.HasMore,
 			})
 		} else {
@@ -157,13 +174,18 @@ func (s skunkyart) GRUser() {
 					for _, x := range x.ModuleData.Folders.Results {
 						folders.WriteString(`<div class="block folder-item">`)
 
-						folders.WriteString(`<a href="`)
-						folders.WriteString(s.ConvertDeviantArtUrlToSkunkyArt(x.Thumb.Url))
-						folders.WriteString(`"><img loading="lazy" src="`)
-						folders.WriteString(ParseMedia(x.Thumb.Media))
-						folders.WriteString(`" title="`)
-						folders.WriteString(x.Thumb.Title)
-						folders.WriteString(`"></a><br>`)
+						if !(x.Thumb.NSFW && !CFG.Nsfw) {
+							folders.WriteString(`<a href="`)
+							folders.WriteString(ConvertDeviantArtUrlToSkunkyArt(x.Thumb.Url))
+							folders.WriteString(`"><img loading="lazy" src="`)
+							folders.WriteString(ParseMedia(x.Thumb.Media))
+							folders.WriteString(`" title="`)
+							folders.WriteString(x.Thumb.Title)
+							folders.WriteString(`"></a>`)
+						} else {
+							folders.WriteString(`<h1>[ <span class="nsfw">NSFW</span> ]</h1>`)
+						}
+						folders.WriteString("<br>")
 
 						folders.WriteString(`<a href="?folder=`)
 						folders.WriteString(strconv.Itoa(x.FolderId))
@@ -182,7 +204,7 @@ func (s skunkyart) GRUser() {
 				}
 
 				if x.Name == "folder_deviations" {
-					group.Gallery.List = s.DeviationList(x.ModuleData.Folder.Deviations, dlist{
+					group.Gallery.List = s.DeviationList(x.ModuleData.Folder.Deviations, DeviationList{
 						Pages: x.ModuleData.Folder.Pages,
 						More:  x.ModuleData.Folder.HasMore,
 					})
@@ -217,7 +239,7 @@ func (s skunkyart) Deviation(author, postname string) {
 		post.Post.IMG = ParseMedia(post.Post.Deviation.Media)
 		for _, x := range post.Post.Deviation.Extended.RelatedContent {
 			if len(x.Deviations) != 0 {
-				post.Related = s.DeviationList(x.Deviations)
+				post.Related += s.DeviationList(x.Deviations)
 			}
 		}
 
@@ -247,7 +269,7 @@ func (s skunkyart) Deviation(author, postname string) {
 
 func (s skunkyart) DD() {
 	dd := devianter.DailyDeviationsFunc(s.Page)
-	s.Templates.SomeList = s.DeviationList(dd.Deviations, dlist{
+	s.Templates.SomeList = s.DeviationList(dd.Deviations, DeviationList{
 		Pages: 0,
 		More:  dd.HasMore,
 	})
@@ -281,17 +303,13 @@ func (s skunkyart) Search() {
 			url.WriteString(strconv.Itoa(10 * s.Page))
 		}
 
-		r, err := http.Get(url.String())
-		if err != nil {
-			s.ReturnHTTPError(502)
-		}
-		defer r.Body.Close()
+		dwnld := Download(url.String())
 
-		for z := html.NewTokenizer(r.Body); ; {
+		for z := html.NewTokenizer(strings.NewReader(string(dwnld.Body))); ; {
 			if n, token := z.Next(), z.Token(); n == html.StartTagToken && token.Data == "a" {
 				for _, x := range token.Attr {
 					if x.Key == "class" && x.Val == "u regular username" {
-						usernames[num] = tagval(z)
+						usernames[num] = GetValueOfTag(z)
 						num++
 					}
 				}
@@ -308,15 +326,17 @@ func (s skunkyart) Search() {
 				ss.List += BuildUserPlate(usernames[x])
 			}
 			ss.List += `</div>`
-			ss.List += s.NavBase(dlist{})
+			ss.List += s.NavBase(DeviationList{
+				More: true,
+			})
 		}
 	default:
 		s.ReturnHTTPError(400)
 	}
-	err(e)
+	try(e)
 
 	if s.Type != 'r' {
-		ss.List = s.DeviationList(ss.Content.Results, dlist{
+		ss.List = s.DeviationList(ss.Content.Results, DeviationList{
 			Pages: ss.Content.Pages,
 			More:  ss.Content.HasMore,
 		})
@@ -340,5 +360,6 @@ func (s skunkyart) Emojitar(name string) {
 func (s skunkyart) About() {
 	s.Templates.About.Nsfw = CFG.Nsfw
 	s.Templates.About.Proxy = CFG.Proxy
+	try(json.Unmarshal([]byte(Templates["instances.json"]), &s.Templates.About))
 	s.ExecuteTemplate("html/about.htm", &s)
 }