X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fformatter.ex;h=72fe9640ba16ea7877aa9f43b228b507b1d790e3;hb=61a88a6757bc557a370888d288f93681cff9668b;hp=dd971df9b98d3b02694565633794f94f507723a6;hpb=763fc7b44fb5931f1a2f869d4c67a5ca9a0b5206;p=akkoma

diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index dd971df9b..72fe9640b 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -4,10 +4,15 @@ defmodule Pleroma.Formatter do
   alias Pleroma.HTML
   alias Pleroma.Emoji
 
-  @tag_regex ~r/\#\w+/u
+  @tag_regex ~r/((?<=[^&])|\A)(\#)(\w+)/u
+  @markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
+
+  # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
+  @mentions_regex ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9_-](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
+
   def parse_tags(text, data \\ %{}) do
     Regex.scan(@tag_regex, text)
-    |> Enum.map(fn ["#" <> tag = full_tag] -> {full_tag, String.downcase(tag)} end)
+    |> Enum.map(fn ["#" <> tag = full_tag | _] -> {full_tag, String.downcase(tag)} end)
     |> (fn map ->
           if data["sensitive"] in [true, "True", "true", "1"],
             do: [{"#nsfw", "nsfw"}] ++ map,
@@ -15,22 +20,19 @@ defmodule Pleroma.Formatter do
         end).()
   end
 
+  @doc "Parses mentions text and returns list {nickname, user}."
+  @spec parse_mentions(binary()) :: list({binary(), User.t()})
   def parse_mentions(text) do
-    # Modified from https://www.w3.org/TR/html5/forms.html#valid-e-mail-address
-    regex =
-      ~r/@[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*@?[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/u
-
-    Regex.scan(regex, text)
+    Regex.scan(@mentions_regex, text)
     |> List.flatten()
     |> Enum.uniq()
-    |> Enum.map(fn "@" <> match = full_match ->
-      {full_match, User.get_cached_by_nickname(match)}
+    |> Enum.map(fn nickname ->
+      with nickname <- String.trim_leading(nickname, "@"),
+           do: {"@" <> nickname, User.get_cached_by_nickname(nickname)}
     end)
     |> Enum.filter(fn {_match, user} -> user end)
   end
 
-  @instance Application.get_env(:pleroma, :instance)
-
   def emojify(text) do
     emojify(text, Emoji.get_all())
   end
@@ -78,6 +80,18 @@ defmodule Pleroma.Formatter do
     |> Enum.join("")
   end
 
+  @doc """
+  Escapes a special characters in mention names.
+  """
+  @spec mentions_escape(String.t(), list({String.t(), any()})) :: String.t()
+  def mentions_escape(text, mentions) do
+    mentions
+    |> Enum.reduce(text, fn {name, _}, acc ->
+      escape_name = String.replace(name, @markdown_characters_regex, "\\\\\\1")
+      String.replace(acc, name, escape_name)
+    end)
+  end
+
   @doc "changes scheme:... urls to html links"
   def add_links({subs, text}) do
     links =
@@ -116,10 +130,10 @@ defmodule Pleroma.Formatter do
 
     subs =
       subs ++
-        Enum.map(mentions, fn {match, %User{ap_id: ap_id, info: info}, uuid} ->
+        Enum.map(mentions, fn {match, %User{id: id, ap_id: ap_id, info: info}, uuid} ->
           ap_id =
-            if is_binary(info["source_data"]["url"]) do
-              info["source_data"]["url"]
+            if is_binary(info.source_data["url"]) do
+              info.source_data["url"]
             else
               ap_id
             end
@@ -127,7 +141,7 @@ defmodule Pleroma.Formatter do
           short_match = String.split(match, "@") |> tl() |> hd()
 
           {uuid,
-           "<span><a class='mention' href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
+           "<span><a data-user='#{id}' class='mention' href='#{ap_id}'>@<span>#{short_match}</span></a></span>"}
         end)
 
     {subs, uuid_text}
@@ -143,13 +157,17 @@ defmodule Pleroma.Formatter do
     uuid_text =
       tags
       |> Enum.reduce(text, fn {match, _short, uuid}, text ->
-        String.replace(text, match, uuid)
+        String.replace(text, ~r/((?<=[^&])|(\A))#{match}/, uuid)
       end)
 
     subs =
       subs ++
         Enum.map(tags, fn {tag_text, tag, uuid} ->
-          url = "<a href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{tag_text}</a>"
+          url =
+            "<a data-tag='#{tag}' href='#{Pleroma.Web.base_url()}/tag/#{tag}' rel='tag'>#{
+              tag_text
+            }</a>"
+
           {uuid, url}
         end)