feat: Voldy translator

It's google translate :)
null2264 · Oct 13, 2023 · 60d62f5 · 60d62f5
1 parent 6b4f048
commit 60d62f5
Showing 1 changed file with 181 additions and 0 deletions.
diff --git a/lib/pleroma/akkoma/translators/voldy.ex b/lib/pleroma/akkoma/translators/voldy.ex
@@ -0,0 +1,181 @@
+defmodule Pleroma.Akkoma.Translators.Voldy do
+  @behaviour Pleroma.Akkoma.Translator
+
+  alias Pleroma.Config
+  alias Pleroma.HTTP
+  require Logger
+
+  defp base_url(:translate) do
+    # Require browser-like user-agent
+    "https://translate.googleapis.com/translate_a/single?client=gtx&dt=t"
+  end
+
+  defp base_url(:clients5) do
+    "https://clients5.google.com/translate_a/t?client=dict-chrome-ex"
+  end
+
+  defp random_user_agent() do
+    Enum.random([
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36", # 13.5%
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36", # 6.6%
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:94.0) Gecko/20100101 Firefox/94.0", # 6.4%
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0", # 6.2%
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.93 Safari/537.36", # 5.2%
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.55 Safari/537.36", # 4.8%
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/17.17134",
+      "Mozilla/5.0 (iPhone; CPU iPhone OS 12_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148",
+      "Mozilla/5.0 (iPhone; CPU iPhone OS 12_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1 Mobile/15E148 Safari/604.1"
+    ])
+  end
+
+  @impl Pleroma.Akkoma.Translator
+  def languages do
+    # https://cloud.google.com/translate/docs/languages
+    languages = Enum.map(%{
+      "Afrikaans" => "af",
+      "Albanian" => "sq",
+      "Amharic" => "am",
+      "Arabic" => "ar",
+      "Armenian" => "hy",
+      "Azerbaijani" => "az",
+      "Basque" => "eu",
+      "Belarusian" => "be",
+      "Bengali" => "bn",
+      "Bosnian" => "bs",
+      "Bulgarian" => "bg",
+      "Catalan" => "ca",
+      "Cebuano" => "ceb",
+      "Chinese (Simplified)" => "zh-CN",
+      "Chinese (Traditional)" => "zh-TW",
+      "Corsican" => "co",
+      "Croatian" => "hr",
+      "Czech" => "cs",
+      "Danish" => "da",
+      "Dutch" => "nl",
+      "English" => "en",
+      "Esperanto" => "eo",
+      "Estonian" => "et",
+      "Finnish" => "fi",
+      "French" => "fr",
+      "Frisian" => "fy",
+      "Galician" => "gl",
+      "Georgian" => "ka",
+      "German" => "de",
+      "Greek" => "el",
+      "Gujarati" => "gu",
+      "Haitian Creole" => "ht",
+      "Hausa" => "ha",
+      "Hawaiian" => "haw",
+      "Hebrew" => "he",
+      "Hindi" => "hi",
+      "Hmong" => "hmn",
+      "Hungarian" => "hu",
+      "Icelandic" => "is",
+      "Igbo" => "ig",
+      "Indonesian" => "id",
+      "Irish" => "ga",
+      "Italian" => "it",
+      "Japanese" => "ja",
+      "Javanese" => "jw",
+      "Kannada" => "kn",
+      "Kazakh" => "kk",
+      "Khmer" => "km",
+      "Korean" => "ko",
+      "Kurdish" => "ku",
+      "Kyrgyz" => "ky",
+      "Lao" => "lo",
+      "Latin" => "la",
+      "Latvian" => "lv",
+      "Lithuanian" => "lt",
+      "Luxembourgish" => "lb",
+      "Macedonian" => "mk",
+      "Malagasy" => "mg",
+      "Malay" => "ms",
+      "Malayalam" => "ml",
+      "Maltese" => "mt",
+      "Maori" => "mi",
+      "Marathi" => "mr",
+      "Mongolian" => "mn",
+      "Myanmar (Burmese)" => "my",
+      "Nepali" => "ne",
+      "Norwegian" => "no",
+      "Nyanja (Chichewa)" => "ny",
+      "Odia (Oriya)" => "or",
+      "Pashto" => "ps",
+      "Persian" => "fa",
+      "Polish" => "pl",
+      "Portuguese" => "pt",
+      "Punjabi" => "pa",
+      "Romanian" => "ro",
+      "Russian" => "ru",
+      "Samoan" => "sm",
+      "Scots Gaelic" => "gd",
+      "Serbian" => "sr",
+      "Sesotho" => "st",
+      "Shona" => "sn",
+      "Sindhi" => "sd",
+      "Sinhala (Sinhalese)" => "si",
+      "Slovak" => "sk",
+      "Slovenian" => "sl",
+      "Somali" => "so",
+      "Spanish" => "es",
+      "Sundanese" => "su",
+      "Swahili" => "sw",
+      "Swedish" => "sv",
+      "Filipino (Tagalog)" => "tl",
+      "Tajik" => "tg",
+      "Tamil" => "ta",
+      "Telugu" => "te",
+      "Thai" => "th",
+      "Turkish" => "tr",
+      "Ukrainian" => "uk",
+      "Urdu" => "ur",
+      "Uzbek" => "uz",
+      "Vietnamese" => "vi",
+      "Welsh" => "cy",
+      "Xhosa" => "xh",
+      "Yiddish" => "yi",
+      "Yoruba" => "yo",
+      "Zulu" => "zu",
+    }, fn {k, v} -> %{code: v, name: k} end)
+    {:ok, languages, languages}
+  end
+
+  @impl Pleroma.Akkoma.Translator
+  def translate(string, from_language, to_language) do
+    with {:ok, %{status: 200} = response} <- do_request(string, from_language, to_language),
+         {:ok, body} <- Jason.decode(response.body) do
+
+      {:ok, body[0][0][1], body[2]}
+    else
+      {:ok, %{status: status} = response} ->
+        Logger.warning("Voldy: Request rejected: #{inspect(response)}")
+        {:error, "Voldy request failed (code #{status})"}
+
+      {:error, reason} ->
+        {:error, reason}
+    end
+  end
+
+  defp do_request(string, from_language, to_language) do
+    HTTP.get(
+      base_url(:translate),
+      URI.encode_query(
+        %{
+          q: string,
+          tl: to_language,
+        }
+        |> maybe_add_source(from_language),
+        :rfc3986
+      ),
+      [
+        {"content-type", "application/json"},
+        {"user-agent", random_user_agent()}
+      ]
+    )
+  end
+
+  defp maybe_add_source(opts, nil), do: opts
+  defp maybe_add_source(opts, lang), do: Map.put(opts, :sl, lang)
+end