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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 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     clear_config(Pleroma.Formatter)
  14     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  15     :ok
  16   end
  17
  18   describe ".add_hashtag_links" do
  19     test "turns hashtags into links" do
  20       text = "I love #cofe and #2hu"
  21
  22       expected_text =
  23         ~s(I love <a class="hashtag" data-tag="cofe" href="http://localhost:4001/tag/cofe" rel="tag ugc">#cofe</a> and <a class="hashtag" data-tag="2hu" href="http://localhost:4001/tag/2hu" rel="tag ugc">#2hu</a>)
  24
  25       assert {^expected_text, [], _tags} = Formatter.linkify(text)
  26     end
  27
  28     test "does not turn html characters to tags" do
  29       text = "#fact_3: pleroma does what mastodon't"
  30
  31       expected_text =
  32         ~s(<a class="hashtag" data-tag="fact_3" href="http://localhost:4001/tag/fact_3" rel="tag ugc">#fact_3</a>: pleroma does what mastodon't)
  33
  34       assert {^expected_text, [], _tags} = Formatter.linkify(text)
  35     end
  36   end
  37
  38   describe ".add_links" do
  39     test "turning urls into links" do
  40       text = "Hey, check out https://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla ."
  41
  42       expected =
  43         ~S(Hey, check out <a href="https://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla" rel="ugc">https://www.youtube.com/watch?v=8Zg1-TufF%20zY?x=1&y=2#blabla</a> .)
  44
  45       assert {^expected, [], []} = Formatter.linkify(text)
  46
  47       text = "https://mastodon.social/@lambadalambda"
  48
  49       expected =
  50         ~S(<a href="https://mastodon.social/@lambadalambda" rel="ugc">https://mastodon.social/@lambadalambda</a>)
  51
  52       assert {^expected, [], []} = Formatter.linkify(text)
  53
  54       text = "https://mastodon.social:4000/@lambadalambda"
  55
  56       expected =
  57         ~S(<a href="https://mastodon.social:4000/@lambadalambda" rel="ugc">https://mastodon.social:4000/@lambadalambda</a>)
  58
  59       assert {^expected, [], []} = Formatter.linkify(text)
  60
  61       text = "@lambadalambda"
  62       expected = "@lambadalambda"
  63
  64       assert {^expected, [], []} = Formatter.linkify(text)
  65
  66       text = "http://www.cs.vu.nl/~ast/intel/"
  67
  68       expected =
  69         ~S(<a href="http://www.cs.vu.nl/~ast/intel/" rel="ugc">http://www.cs.vu.nl/~ast/intel/</a>)
  70
  71       assert {^expected, [], []} = Formatter.linkify(text)
  72
  73       text = "https://forum.zdoom.org/viewtopic.php?f=44&t=57087"
  74
  75       expected =
  76         "<a href=\"https://forum.zdoom.org/viewtopic.php?f=44&t=57087\" rel=\"ugc\">https://forum.zdoom.org/viewtopic.php?f=44&t=57087</a>"
  77
  78       assert {^expected, [], []} = Formatter.linkify(text)
  79
  80       text = "https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul"
  81
  82       expected =
  83         "<a href=\"https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul\" rel=\"ugc\">https://en.wikipedia.org/wiki/Sophia_(Gnosticism)#Mythos_of_the_soul</a>"
  84
  85       assert {^expected, [], []} = Formatter.linkify(text)
  86
  87       text = "https://www.google.co.jp/search?q=Nasim+Aghdam"
  88
  89       expected =
  90         "<a href=\"https://www.google.co.jp/search?q=Nasim+Aghdam\" rel=\"ugc\">https://www.google.co.jp/search?q=Nasim+Aghdam</a>"
  91
  92       assert {^expected, [], []} = Formatter.linkify(text)
  93
  94       text = "https://en.wikipedia.org/wiki/Duff's_device"
  95
  96       expected =
  97         "<a href=\"https://en.wikipedia.org/wiki/Duff's_device\" rel=\"ugc\">https://en.wikipedia.org/wiki/Duff's_device</a>"
  98
  99       assert {^expected, [], []} = Formatter.linkify(text)
 100
 101       text = "https://pleroma.com https://pleroma.com/sucks"
 102
 103       expected =
 104         "<a href=\"https://pleroma.com\" rel=\"ugc\">https://pleroma.com</a> <a href=\"https://pleroma.com/sucks\" rel=\"ugc\">https://pleroma.com/sucks</a>"
 105
 106       assert {^expected, [], []} = Formatter.linkify(text)
 107
 108       text = "xmpp:contact@hacktivis.me"
 109
 110       expected = "<a href=\"xmpp:contact@hacktivis.me\" rel=\"ugc\">xmpp:contact@hacktivis.me</a>"
 111
 112       assert {^expected, [], []} = Formatter.linkify(text)
 113
 114       text =
 115         "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"
 116
 117       expected = "<a href=\"#{text}\" rel=\"ugc\">#{text}</a>"
 118
 119       assert {^expected, [], []} = Formatter.linkify(text)
 120     end
 121   end
 122
 123   describe "Formatter.linkify" do
 124     test "correctly finds mentions that contain the domain name" do
 125       _user = insert(:user, %{nickname: "lain"})
 126       _remote_user = insert(:user, %{nickname: "lain@lain.com", local: false})
 127
 128       text = "hey @lain@lain.com what's up"
 129
 130       {_text, mentions, []} = Formatter.linkify(text)
 131       [{username, user}] = mentions
 132
 133       assert username == "@lain@lain.com"
 134       assert user.nickname == "lain@lain.com"
 135     end
 136
 137     test "gives a replacement for user links, using local nicknames in user links text" do
 138       text = "@gsimg According to @archa_eme_, that is @daggsy. Also hello @archaeme@archae.me"
 139       gsimg = insert(:user, %{nickname: "gsimg"})
 140
 141       archaeme =
 142         insert(:user,
 143           nickname: "archa_eme_",
 144           uri: "https://archeme/@archa_eme_"
 145         )
 146
 147       archaeme_remote = insert(:user, %{nickname: "archaeme@archae.me"})
 148
 149       {text, mentions, []} = Formatter.linkify(text)
 150
 151       assert length(mentions) == 3
 152
 153       expected_text =
 154         ~s(<span class="h-card"><a class="u-url mention" data-user="#{gsimg.id}" href="#{
 155           gsimg.ap_id
 156         }" rel="ugc">@<span>gsimg</span></a></span> According to <span class="h-card"><a class="u-url mention" data-user="#{
 157           archaeme.id
 158         }" href="#{"https://archeme/@archa_eme_"}" rel="ugc">@<span>archa_eme_</span></a></span>, that is @daggsy. Also hello <span class="h-card"><a class="u-url mention" data-user="#{
 159           archaeme_remote.id
 160         }" href="#{archaeme_remote.ap_id}" rel="ugc">@<span>archaeme</span></a></span>)
 161
 162       assert expected_text == text
 163     end
 164
 165     test "gives a replacement for user links when the user is using Osada" do
 166       {:ok, mike} = User.get_or_fetch("mike@osada.macgirvin.com")
 167
 168       text = "@mike@osada.macgirvin.com test"
 169
 170       {text, mentions, []} = Formatter.linkify(text)
 171
 172       assert length(mentions) == 1
 173
 174       expected_text =
 175         ~s(<span class="h-card"><a class="u-url mention" data-user="#{mike.id}" href="#{
 176           mike.ap_id
 177         }" rel="ugc">@<span>mike</span></a></span> test)
 178
 179       assert expected_text == text
 180     end
 181
 182     test "gives a replacement for single-character local nicknames" do
 183       text = "@o hi"
 184       o = insert(:user, %{nickname: "o"})
 185
 186       {text, mentions, []} = Formatter.linkify(text)
 187
 188       assert length(mentions) == 1
 189
 190       expected_text =
 191         ~s(<span class="h-card"><a class="u-url mention" data-user="#{o.id}" href="#{o.ap_id}" rel="ugc">@<span>o</span></a></span> hi)
 192
 193       assert expected_text == text
 194     end
 195
 196     test "does not give a replacement for single-character local nicknames who don't exist" do
 197       text = "@a hi"
 198
 199       expected_text = "@a hi"
 200       assert {^expected_text, [] = _mentions, [] = _tags} = Formatter.linkify(text)
 201     end
 202
 203     test "given the 'safe_mention' option, it will only mention people in the beginning" do
 204       user = insert(:user)
 205       other_user = insert(:user)
 206       third_user = insert(:user)
 207       text = " @#{user.nickname} @#{other_user.nickname} hey dudes i hate @#{third_user.nickname}"
 208       {expected_text, mentions, [] = _tags} = Formatter.linkify(text, safe_mention: true)
 209
 210       assert mentions == [{"@#{user.nickname}", user}, {"@#{other_user.nickname}", other_user}]
 211
 212       assert expected_text ==
 213                ~s(<span class="h-card"><a class="u-url mention" data-user="#{user.id}" href="#{
 214                  user.ap_id
 215                }" rel="ugc">@<span>#{user.nickname}</span></a></span> <span class="h-card"><a class="u-url mention" data-user="#{
 216                  other_user.id
 217                }" href="#{other_user.ap_id}" rel="ugc">@<span>#{other_user.nickname}</span></a></span> hey dudes i hate <span class="h-card"><a class="u-url mention" data-user="#{
 218                  third_user.id
 219                }" href="#{third_user.ap_id}" rel="ugc">@<span>#{third_user.nickname}</span></a></span>)
 220     end
 221
 222     test "given the 'safe_mention' option, it will still work without any mention" do
 223       text = "A post without any mention"
 224       {expected_text, mentions, [] = _tags} = Formatter.linkify(text, safe_mention: true)
 225
 226       assert mentions == []
 227       assert expected_text == text
 228     end
 229
 230     test "given the 'safe_mention' option, it will keep text after newlines" do
 231       user = insert(:user)
 232       text = " @#{user.nickname}\n hey dude\n\nhow are you doing?"
 233
 234       {expected_text, _, _} = Formatter.linkify(text, safe_mention: true)
 235
 236       assert expected_text =~ "how are you doing?"
 237     end
 238
 239     test "it can parse mentions and return the relevant users" do
 240       text =
 241         "@@gsimg According to @archaeme, that is @daggsy. Also hello @archaeme@archae.me and @o and @@@jimm"
 242
 243       o = insert(:user, %{nickname: "o"})
 244       _jimm = insert(:user, %{nickname: "jimm"})
 245       _gsimg = insert(:user, %{nickname: "gsimg"})
 246       archaeme = insert(:user, %{nickname: "archaeme"})
 247       archaeme_remote = insert(:user, %{nickname: "archaeme@archae.me"})
 248
 249       expected_mentions = [
 250         {"@archaeme", archaeme},
 251         {"@archaeme@archae.me", archaeme_remote},
 252         {"@o", o}
 253       ]
 254
 255       assert {_text, ^expected_mentions, []} = Formatter.linkify(text)
 256     end
 257
 258     test "it parses URL containing local mention" do
 259       _user = insert(:user, %{nickname: "lain"})
 260
 261       text = "https://example.com/@lain"
 262
 263       expected = ~S(<a href="https://example.com/@lain" rel="ugc">https://example.com/@lain</a>)
 264
 265       assert {^expected, [], []} = Formatter.linkify(text)
 266     end
 267
 268     test "it correctly parses angry face D:< with mention" do
 269       lain =
 270         insert(:user, %{
 271           nickname: "lain@lain.com",
 272           ap_id: "https://lain.com/users/lain",
 273           id: "9qrWmR0cKniB0YU0TA"
 274         })
 275
 276       text = "@lain@lain.com D:<"
 277
 278       expected_text =
 279         ~S(<span class="h-card"><a class="u-url mention" data-user="9qrWmR0cKniB0YU0TA" href="https://lain.com/users/lain" rel="ugc">@<span>lain</span></a></span> D:<)
 280
 281       expected_mentions = [
 282         {"@lain@lain.com", lain}
 283       ]
 284
 285       assert {^expected_text, ^expected_mentions, []} = Formatter.linkify(text)
 286     end
 287   end
 288
 289   describe ".parse_tags" do
 290     test "parses tags in the text" do
 291       text = "Here's a #Test. Maybe these are #working or not. What about #漢字? And #は｡"
 292
 293       expected_tags = [
 294         {"#Test", "test"},
 295         {"#working", "working"},
 296         {"#は", "は"},
 297         {"#漢字", "漢字"}
 298       ]
 299
 300       assert {_text, [], ^expected_tags} = Formatter.linkify(text)
 301     end
 302   end
 303
 304   test "it escapes HTML in plain text" do
 305     text = "hello & world google.com/?a=b&c=d \n http://test.com/?a=b&c=d 1"
 306     expected = "hello &amp; world google.com/?a=b&c=d \n http://test.com/?a=b&c=d 1"
 307
 308     assert Formatter.html_escape(text, "text/plain") == expected
 309   end
 310 end