nitter/src/formatters.nim

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Nim
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import strutils, strformat, times, uri, tables, xmltree, htmlparser
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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)"
twRegex = re"(www\.|mobile\.)?twitter\.com"
igRegex = re"(www\.)?instagram\.com"
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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]+)$"
extRegex = re"(\.[A-z]+)$"
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 =
if cfg.useHttps: "https://" & cfg.hostname
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] & ""
proc replaceUrl*(url: string; prefs: Prefs; absolute=""): string =
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result = url
if prefs.replaceYouTube.len > 0:
result = result.replace(ytRegex, prefs.replaceYouTube)
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if prefs.replaceYouTube in result:
result = result.replace("/c/", "/")
if prefs.replaceInstagram.len > 0:
result = result.replace(igRegex, prefs.replaceInstagram)
if prefs.replaceTwitter.len > 0:
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)
if absolute.len > 0:
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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):
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 =
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let pic = userpic.replace(userpicRegex, "$2")
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("d/M/yyyy', 'HH:mm:ss")
proc getRfc822Time*(tweet: Tweet): string =
tweet.time.format("ddd', 'dd MMM yyyy HH:mm:ss 'GMT'")
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proc getTweetTime*(tweet: Tweet): string =
tweet.time.format("h:mm tt' · 'MMM d', 'YYYY")
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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 ? filterParams(params))
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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"