krz/skunky-art

Alternative privacy frontend for DeviantArt.

clone: git clone https://gitbay.org/krz/skunky-art.git

v1.3.1: app/parsers.go · raw

  1package app
  2
  3import (
  4	"encoding/json"
  5	"strconv"
  6	"strings"
  7
  8	"git.macaw.me/skunky/devianter"
  9	"golang.org/x/net/html"
 10)
 11
 12func (s skunkyart) ParseComments(c devianter.Comments) string {
 13	var cmmts strings.Builder
 14	replied := make(map[int]string)
 15
 16	cmmts.WriteString("<details><summary>Comments: <b>")
 17	cmmts.WriteString(strconv.Itoa(c.Total))
 18	cmmts.WriteString("</b></summary>")
 19	for _, x := range c.Thread {
 20		replied[x.ID] = x.User.Username
 21		cmmts.WriteString(`<div class="msg`)
 22		if x.Parent > 0 {
 23			cmmts.WriteString(` reply`)
 24		}
 25		cmmts.WriteString(`"><p id="`)
 26		cmmts.WriteString(strconv.Itoa(x.ID))
 27		cmmts.WriteString(`"><img src="`)
 28		cmmts.WriteString(UrlBuilder("media", "emojitar", x.User.Username, "?type=a"))
 29		cmmts.WriteString(`" width="30px" height="30px"><a href="`)
 30		cmmts.WriteString(UrlBuilder("group_user", "?q=", x.User.Username, "&type=a"))
 31		cmmts.WriteString(`"><b`)
 32		cmmts.WriteString(` class="`)
 33		if x.User.Banned {
 34			cmmts.WriteString(`banned`)
 35		}
 36		if x.Author {
 37			cmmts.WriteString(`author`)
 38		}
 39		cmmts.WriteString(`">`)
 40		cmmts.WriteString(x.User.Username)
 41		cmmts.WriteString("</b></a> ")
 42
 43		if x.Parent > 0 {
 44			cmmts.WriteString(` In reply to <a href="#`)
 45			cmmts.WriteString(strconv.Itoa(x.Parent))
 46			cmmts.WriteString(`">`)
 47			if replied[x.Parent] == "" {
 48				cmmts.WriteString("???")
 49			} else {
 50				cmmts.WriteString(replied[x.Parent])
 51			}
 52			cmmts.WriteString("</a>")
 53		}
 54		cmmts.WriteString(" [")
 55		cmmts.WriteString(x.Posted.UTC().String())
 56		cmmts.WriteString("]<p>")
 57
 58		cmmts.WriteString(ParseDescription(x.TextContent))
 59		cmmts.WriteString("<p>👍: ")
 60		cmmts.WriteString(strconv.Itoa(x.Likes))
 61		cmmts.WriteString(" ⏩: ")
 62		cmmts.WriteString(strconv.Itoa(x.Replies))
 63		cmmts.WriteString("</p></div>\n")
 64	}
 65	cmmts.WriteString(s.NavBase(DeviationList{
 66		Pages: 0,
 67		More:  c.HasMore,
 68	}))
 69	cmmts.WriteString("</details>")
 70	return cmmts.String()
 71}
 72
 73func (s skunkyart) DeviationList(devs []devianter.Deviation, allowAtom bool, content ...DeviationList) string {
 74	if s.Atom && s.Page > 1 {
 75		s.ReturnHTTPError(400)
 76		return ""
 77	}
 78
 79	var list, listContent strings.Builder
 80
 81	for i, l := 0, len(devs); i < l; i++ {
 82		data := &devs[i]
 83		if preview, fullview := ParseMedia(data.Media, 320), ParseMedia(data.Media); !(data.NSFW && !CFG.Nsfw) {
 84			if allowAtom && s.Atom {
 85				id := strconv.Itoa(data.ID)
 86				listContent.WriteString(`<entry><author><name>`)
 87				listContent.WriteString(data.Author.Username)
 88				listContent.WriteString(`</name></author><title>`)
 89				listContent.WriteString(data.Title)
 90				listContent.WriteString(`</title><link rel="alternate" type="text/html" href="`)
 91				listContent.WriteString(UrlBuilder("post", data.Author.Username, "atom-"+id))
 92				listContent.WriteString(`"/><id>`)
 93				listContent.WriteString(id)
 94				listContent.WriteString(`</id><published>`)
 95				listContent.WriteString(data.PublishedTime.UTC().Format("Mon, 02 Jan 2006 15:04:05 -0700"))
 96				listContent.WriteString(`</published>`)
 97				listContent.WriteString(`<media:group><media:title>`)
 98				listContent.WriteString(data.Title)
 99				listContent.WriteString(`</media:title><media:thumbinal url="`)
100				listContent.WriteString(preview)
101				listContent.WriteString(`"/></media:group><content type="xhtml"><div xmlns="http://www.w3.org/1999/xhtml"><a href="`)
102				listContent.WriteString(ConvertDeviantArtUrlToSkunkyArt(data.Url))
103				listContent.WriteString(`"><img src="`)
104				listContent.WriteString(fullview)
105				listContent.WriteString(`"/></a><p>`)
106				listContent.WriteString(ParseDescription(data.TextContent))
107				listContent.WriteString(`</p></div></content></entry>`)
108			} else {
109				listContent.WriteString(`<div class="block">`)
110				if fullview != "" && preview != "" {
111					listContent.WriteString(`<a title="open/download" href="`)
112					listContent.WriteString(fullview)
113					listContent.WriteString(`"><img loading="lazy" src="`)
114					listContent.WriteString(preview)
115					listContent.WriteString(`" width="15%"></a>`)
116				} else {
117					listContent.WriteString(`<h1>[ TEXT ]</h1>`)
118				}
119				listContent.WriteString(`<br><a href="`)
120				listContent.WriteString(ConvertDeviantArtUrlToSkunkyArt(data.Url))
121				listContent.WriteString(`">`)
122				listContent.WriteString(data.Author.Username)
123				listContent.WriteString(" - ")
124				listContent.WriteString(data.Title)
125
126				if data.NSFW {
127					listContent.WriteString(` [<span class="nsfw">NSFW</span>]`)
128				}
129				if data.AI {
130					listContent.WriteString(" [🤖]")
131				}
132				if data.DD {
133					listContent.WriteString(` [<span class="dd">DD</span>]`)
134				}
135
136				listContent.WriteString("</a></div>")
137			}
138		}
139	}
140
141	if allowAtom && s.Atom {
142		list.WriteString(`<?xml version="1.0" encoding="UTF-8"?><feed xmlns:media="http://search.yahoo.com/mrss/" xmlns="http://www.w3.org/2005/Atom">`)
143
144		list.WriteString(`<title>`)
145		if s.Type == 0 {
146			list.WriteString("Daily Deviations")
147		} else if s.Type == 'g' && len(devs) != 0 {
148			list.WriteString(devs[0].Author.Username)
149		} else {
150			list.WriteString("SkunkyArt")
151		}
152		list.WriteString(`</title>`)
153
154		list.WriteString(`<link rel="alternate" href="`)
155		list.WriteString(Host)
156		list.WriteString(`"/>`)
157
158		list.WriteString(listContent.String())
159
160		list.WriteString("</feed>")
161		wr(s.Writer, list.String())
162	} else {
163		list.WriteString(`<div class="content">`)
164
165		list.WriteString(listContent.String())
166
167		list.WriteString("</div>")
168		if content != nil {
169			list.WriteString(s.NavBase(content[0]))
170		}
171	}
172
173	return list.String()
174}
175
176/* DESCRIPTION/COMMENT PARSER */
177type text struct {
178	TXT     string
179	TXT_RAW string
180	From    int
181	To      int
182}
183
184func ParseDescription(dscr devianter.Text) string {
185	var parsedDescription strings.Builder
186	TagBuilder := func(content string, tags ...string) string {
187		l := len(tags)
188		for x := 0; x < l; x++ {
189			var htm strings.Builder
190			htm.WriteString("<")
191			htm.WriteString(tags[x])
192			htm.WriteString(">")
193
194			htm.WriteString(content)
195
196			htm.WriteString("</")
197			htm.WriteString(tags[x])
198			htm.WriteString(">")
199			content = htm.String()
200		}
201		return content
202	}
203	DeleteTrackingFromUrl := func(url string) string {
204		if len(url) > 42 && url[:42] == "https://www.deviantart.com/users/outgoing?" {
205			url = url[42:]
206		}
207		return url
208	}
209
210	if description, dl := dscr.Html.Markup, len(dscr.Html.Markup); dl != 0 &&
211		description[0] == '{' &&
212		description[dl-1] == '}' {
213		var descr struct {
214			Blocks []struct {
215				Text, Type        string
216				InlineStyleRanges []struct {
217					Offset, Length int
218					Style          string
219				}
220				EntityRanges []struct {
221					Offset, Length int
222					Key            int
223				}
224				Data struct {
225					TextAlignment string
226				}
227			}
228			EntityMap map[string]struct {
229				Type string
230				Data struct {
231					Url    string
232					Config struct {
233						Aligment string
234						Width    int
235					}
236					Data devianter.Deviation
237				}
238			}
239		}
240		e := json.Unmarshal([]byte(description), &descr)
241		try(e)
242
243		entities := make(map[int]devianter.Deviation)
244		urls := make(map[int]string)
245		for n, x := range descr.EntityMap {
246			num, _ := strconv.Atoi(n)
247			if x.Data.Url != "" {
248				urls[num] = DeleteTrackingFromUrl(x.Data.Url)
249			}
250			entities[num] = x.Data.Data
251		}
252
253		for _, x := range descr.Blocks {
254			Styles := make([]text, len(x.InlineStyleRanges))
255
256			if len(x.InlineStyleRanges) != 0 {
257				var tags = make(map[int][]string)
258				for n, rngs := range x.InlineStyleRanges {
259					Styles := &Styles[n]
260					switch rngs.Style {
261					case "BOLD":
262						rngs.Style = "b"
263					case "UNDERLINE":
264						rngs.Style = "u"
265					case "ITALIC":
266						rngs.Style = "i"
267					}
268					Styles.From = rngs.Offset
269					Styles.To = rngs.Offset + rngs.Length
270					FT := Styles.From * Styles.To
271					tags[FT] = append(tags[FT], rngs.Style)
272				}
273				for n := 0; n < len(Styles); n++ {
274					Styles := &Styles[n]
275					Styles.TXT_RAW = x.Text[Styles.From:Styles.To]
276					Styles.TXT = TagBuilder(Styles.TXT_RAW, tags[Styles.From*Styles.To]...)
277				}
278			}
279
280			switch x.Type {
281			case "atomic":
282				if len(x.EntityRanges) != 0 {
283					d := entities[x.EntityRanges[0].Key]
284					parsedDescription.WriteString(`<a href="`)
285					parsedDescription.WriteString(ConvertDeviantArtUrlToSkunkyArt(d.Url))
286					parsedDescription.WriteString(`"><img width="50%" src="`)
287					parsedDescription.WriteString(ParseMedia(d.Media))
288					parsedDescription.WriteString(`" title="`)
289					parsedDescription.WriteString(d.Author.Username)
290					parsedDescription.WriteString(" - ")
291					parsedDescription.WriteString(d.Title)
292					parsedDescription.WriteString(`"></a>`)
293				}
294			case "unstyled":
295				if l := len(Styles); l != 0 {
296					for n, r := range Styles {
297						var tag string
298						if x.Type == "header-two" {
299							tag = "h2"
300						}
301
302						parsedDescription.WriteString(x.Text[:r.From])
303						if len(urls) != 0 && len(x.EntityRanges) != 0 {
304							ra := &x.EntityRanges[0]
305
306							parsedDescription.WriteString(`<a target="_blank" href="`)
307							parsedDescription.WriteString(urls[ra.Key])
308							parsedDescription.WriteString(`">`)
309							parsedDescription.WriteString(r.TXT)
310							parsedDescription.WriteString(`</a>`)
311						} else if l > n+1 {
312							parsedDescription.WriteString(r.TXT)
313						}
314						parsedDescription.WriteString(TagBuilder(tag, x.Text[r.To:]))
315					}
316				} else {
317					parsedDescription.WriteString(x.Text)
318				}
319			}
320			parsedDescription.WriteString("<br>")
321		}
322	} else if dl != 0 {
323		for tt := html.NewTokenizer(strings.NewReader(dscr.Html.Markup)); ; {
324			switch tt.Next() {
325			case html.ErrorToken:
326				return parsedDescription.String()
327			case html.StartTagToken, html.EndTagToken, html.SelfClosingTagToken:
328				token := tt.Token()
329				switch token.Data {
330				case "a":
331					for _, a := range token.Attr {
332						if a.Key == "href" {
333							url := DeleteTrackingFromUrl(a.Val)
334							parsedDescription.WriteString(`<a target="_blank" href="`)
335							parsedDescription.WriteString(url)
336							parsedDescription.WriteString(`">`)
337							parsedDescription.WriteString(GetValueOfTag(tt))
338							parsedDescription.WriteString("</a> ")
339						}
340					}
341				case "img":
342					var uri, title string
343					for b, a := range token.Attr {
344						switch a.Key {
345						case "src":
346							if len(a.Val) > 9 && a.Val[8:9] == "e" {
347								uri = UrlBuilder("media", "emojitar", a.Val[37:len(a.Val)-4], "?type=e")
348							}
349						case "title":
350							title = a.Val
351						}
352						if title != "" {
353							for x := -1; x < b; x++ {
354								parsedDescription.WriteString(`<img src="`)
355								parsedDescription.WriteString(uri)
356								parsedDescription.WriteString(`" title="`)
357								parsedDescription.WriteString(title)
358								parsedDescription.WriteString(`">`)
359							}
360						}
361					}
362				case "br", "li", "ul", "p", "b":
363					parsedDescription.WriteString(token.String())
364				case "div":
365					parsedDescription.WriteString("<p> ")
366				}
367			case html.TextToken:
368				parsedDescription.Write(tt.Text())
369			}
370		}
371	}
372
373	return parsedDescription.String()
374}