nitter/src/formatters.nim

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Nim
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# SPDX-License-Identifier: AGPL-3.0-only
import strutils, strformat, times, uri, tables, xmltree, htmlparser, htmlgen
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import regex
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import types, utils, query
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const
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ytRegex = re"([A-z.]+\.)?youtu(be\.com|\.be)"
igRegex = re"(www\.)?instagram\.com"
rdRegex = re"(?<![.b])((www|np|new|amp|old)\.)?reddit.com"
rdShortRegex = re"(?<![.b])redd\.it\/"
# Videos cannot be supported uniformly between Teddit and Libreddit,
# so v.redd.it links will not be replaced.
# Images aren't supported due to errors from Teddit when the image
# wasn't first displayed via a post on the Teddit instance.
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twRegex = re"(?<=(?<!\S)https:\/\/|(?<=\s))(www\.|mobile\.)?twitter\.com"
twLinkRegex = re"""<a href="https:\/\/twitter.com([^"]+)">twitter\.com(\S+)</a>"""
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cards = "cards.twitter.com/cards"
tco = "https://t.co"
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wwwRegex = re"https?://(www[0-9]?\.)?"
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m3u8Regex = re"""url="(.+.m3u8)""""
manifestRegex = re"\/(.+(.ts|.m4s|.m3u8|.vmap|.mp4))"
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userPicRegex = re"_(normal|bigger|mini|200x200|400x400)(\.[A-z]+)$"
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extRegex = re"(\.[A-z]+)$"
illegalXmlRegex = re"[^\x09\x0A\x0D\x20-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]"
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twitter = parseUri("https://twitter.com")
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proc getUrlPrefix*(cfg: Config): string =
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if cfg.useHttps: https & cfg.hostname
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else: "http://" & cfg.hostname
proc stripHtml*(text: string): string =
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var html = parseHtml(text)
for el in html.findAll("a"):
let link = el.attr("href")
if "http" in link:
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if el.len == 0: continue
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el[0].text = link
html.innerText()
proc sanitizeXml*(text: string): string =
text.replace(illegalXmlRegex, "")
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proc shortLink*(text: string; length=28): string =
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result = text.replace(wwwRegex, "")
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if result.len > length:
result = result[0 ..< length] & ""
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proc replaceUrls*(body: string; prefs: Prefs; absolute=""): string =
result = body
if prefs.replaceYouTube.len > 0 and ytRegex in result:
result = result.replace(ytRegex, prefs.replaceYouTube)
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if prefs.replaceYouTube in result:
result = result.replace("/c/", "/")
if prefs.replaceTwitter.len > 0 and
(twRegex in result or twLinkRegex in result or tco in result):
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result = result.replace(tco, https & prefs.replaceTwitter & "/t.co")
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result = result.replace(cards, prefs.replaceTwitter & "/cards")
result = result.replace(twRegex, prefs.replaceTwitter)
result = result.replace(twLinkRegex, a(
prefs.replaceTwitter & "$2", href = https & prefs.replaceTwitter & "$1"))
if prefs.replaceReddit.len > 0 and (rdRegex in result or "redd.it" in result):
result = result.replace(rdShortRegex, prefs.replaceReddit & "/comments/")
result = result.replace(rdRegex, prefs.replaceReddit)
if prefs.replaceReddit in result and "/gallery/" in result:
result = result.replace("/gallery/", "/comments/")
if prefs.replaceInstagram.len > 0 and igRegex in result:
result = result.replace(igRegex, prefs.replaceInstagram)
if absolute.len > 0 and "href" in result:
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result = result.replace("href=\"/", "href=\"" & absolute & "/")
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proc getM3u8Url*(content: string): string =
var m: RegexMatch
if content.find(m3u8Regex, m):
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result = content[m.group(0)[0]]
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proc proxifyVideo*(manifest: string; proxy: bool): string =
proc cb(m: RegexMatch; s: string): string =
result = "https://video.twimg.com/" & s[m.group(0)[0]]
if proxy: result = getVidUrl(result)
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result = manifest.replace(manifestRegex, cb)
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proc getUserPic*(userPic: string; style=""): string =
let pic = userPic.replace(userPicRegex, "$2")
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pic.replace(extRegex, style & "$1")
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proc getUserPic*(profile: Profile; style=""): string =
getUserPic(profile.userPic, style)
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proc getVideoEmbed*(cfg: Config; id: int64): string =
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&"{getUrlPrefix(cfg)}/i/videos/{id}"
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proc pageTitle*(profile: Profile): string =
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&"{profile.fullname} (@{profile.username})"
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proc pageTitle*(tweet: Tweet): string =
&"{pageTitle(tweet.profile)}: \"{stripHtml(tweet.text)}\""
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proc pageDesc*(profile: Profile): string =
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if profile.bio.len > 0:
stripHtml(profile.bio)
else:
"The latest tweets from " & profile.fullname
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proc getJoinDate*(profile: Profile): string =
profile.joinDate.format("'Joined' MMMM YYYY")
proc getJoinDateFull*(profile: Profile): string =
profile.joinDate.format("h:mm tt - d MMM YYYY")
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proc getTime*(tweet: Tweet): string =
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tweet.time.format("MMM d', 'YYYY' · 'h:mm tt' UTC'")
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proc getRfc822Time*(tweet: Tweet): string =
tweet.time.format("ddd', 'dd MMM yyyy HH:mm:ss 'GMT'")
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proc getShortTime*(tweet: Tweet): string =
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let now = now()
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let since = now - tweet.time
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if now.year != tweet.time.year:
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result = tweet.time.format("d MMM yyyy")
elif since.inDays >= 1:
result = tweet.time.format("MMM d")
elif since.inHours >= 1:
result = $since.inHours & "h"
elif since.inMinutes >= 1:
result = $since.inMinutes & "m"
elif since.inSeconds > 1:
result = $since.inSeconds & "s"
else:
result = "now"
proc getLink*(tweet: Tweet; focus=true): string =
if tweet.id == 0: return
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var username = tweet.profile.username
if username.len == 0:
username = "i"
result = &"/{username}/status/{tweet.id}"
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if focus: result &= "#m"
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proc getTwitterLink*(path: string; params: Table[string, string]): string =
var
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username = params.getOrDefault("name")
query = initQuery(params, username)
path = path
if "," in username:
query.fromUser = username.split(",")
path = "/search"
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if "/search" notin path and query.fromUser.len < 2:
return $(twitter / path)
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let p = {
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"f": if query.kind == users: "user" else: "live",
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"q": genQueryParam(query),
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"src": "typed_query"
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}
result = $(twitter / path ? p)
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if username.len > 0:
result = result.replace("/" & username, "")
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proc getLocation*(u: Profile | Tweet): (string, string) =
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if "://" in u.location: return (u.location, "")
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let loc = u.location.split(":")
let url = if loc.len > 1: "/search?q=place:" & loc[1] else: ""
(loc[0], url)
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proc getSuspended*(username: string): string =
&"User \"{username}\" has been suspended"