nicovideo-translator (empty) → 0.1.0.0

raw patch · 8 files changed

+990/−0 lines, 8 filesdep +aesondep +basedep +bytestringsetup-changedbinary-added

Dependencies added: aeson, base, bytestring, case-insensitive, containers, dns, http-client, http-types, iso639, lens, lens-aeson, nicovideo-translator, random, setlocale, text, wai, warp, wreq, xml-conduit

Files

• LICENSE +661/−0
• README.md +51/−0
• Setup.hs +3/−0
• lib/NicovideoTranslator/Proxy.hs +128/−0
• lib/NicovideoTranslator/Translate.hs +48/−0
• nicovideo-translator.cabal +50/−0
• nicovideo-translator.sig binary
• src/Main.hs +49/−0

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If not, see <http://www.gnu.org/licenses/>.++Also add information on how to contact you by electronic and paper mail.++  If your software can interact with users remotely through a computer+network, you should also make sure that it provides a way for users to+get its source.  For example, if your program is a web application, its+interface could display a "Source" link that leads users to an archive+of the code.  There are many ways you could offer source, and different+solutions will be better for different programs; see section 13 for the+specific requirements.++  You should also get your employer (if you work as a programmer) or school,+if any, to sign a "copyright disclaimer" for the program, if necessary.+For more information on this, and how to apply and follow the GNU AGPL, see+<http://www.gnu.org/licenses/>.

@@ -0,0 +1,51 @@+Nico Nico Douga (ニコニコ動画) Comment Translator+=================================================++Installation+------------++You can install it using `cabal`:++    $ cabal install nicovideo-translator+++Aliasing `msg.nicovideo.jp` to localhost+----------------------------------------++To make the translator to intercept comments from Nico Nico comment server,+you have to alias Nico Nico comment server domain (`msg.nicovideo.jp`) to+your localhost (`127.0.0.1`).  Open your [hosts file][1] using text editor+(you probably need administrator permission), and then add the following line:++    127.0.0.1    msg.nicovideo.jp++[1]: http://en.wikipedia.org/wiki/Hosts_%28file%29+++Proxy server+------------++The translator behaves as a proxy server, so it has to be running while+you watch Nico Nico videos.  You can invoke the proxy server using CLI+(you probably need administrator permission to listen 80 port):++    $ nicovideo-translator++You can terminate the server by pressing Ctrl-C.+++Open source+-----------++It's written by [Hong Minhee][2], and distributed under [AGPLv3[].+You can find the source code from the [Git repository][3]:++    $ git clone git://github.com/dahlia/nicovideo-translator++Please report bugs to the [issue tracker][4] if you find.+Pull requests welcome!++[2]: http://hongminhee.org/+[3]: https://github.com/dahlia/nicovideo-translator+[4]: https://github.com/dahlia/nicovideo-translator/issues+[AGPLv3]: http://www.gnu.org/licenses/agpl-3.0.html

@@ -0,0 +1,3 @@+import Distribution.Simple++main = defaultMain

@@ -0,0 +1,128 @@+{-# LANGUAGE OverloadedStrings #-}+module NicovideoTranslator.Proxy+    ( ProxyConfiguration(ProxyConfiguration)+    , app+    , language+    , upstreamHost+    ) where++import Data.List (find)+import Data.Maybe (catMaybes)++import Control.Lens ((&), (.~), (^.))+import qualified Data.ByteString as B+import qualified Data.ByteString.Lazy as LB+import Data.CaseInsensitive (CI)+import Data.LanguageCodes (ISO639_1)+import Data.Set (Set, fromList, notMember)+import Data.Text (Text, unpack)+import Data.Text.Encoding (decodeUtf8, encodeUtf8)+import Network.HTTP.Types.Method (Method)+import Network.Wai (Application, rawPathInfo, rawQueryString,+                    responseLBS, requestBody, requestHeaders, requestMethod)+import Network.Wreq (Options, checkStatus, defaults, deleteWith, getWith,+                     headers, postWith, putWith, responseBody,+                     responseHeader, responseHeaders, responseStatus)+import Network.Wreq.Lens (Response)+import Text.XML (Document(Document), Element(Element),+                 Node(NodeContent, NodeElement),+                 def, elementNodes, parseLBS, renderLBS)+import Text.XML.Cursor (content, element, fromDocument, node, ($//), (&//))++import NicovideoTranslator.Translate (translateMultiple)++data ProxyConfiguration = ProxyConfiguration { language :: ISO639_1+                                             , upstreamHost :: Text+                                             }++app :: ProxyConfiguration -> Application+app config req respond =+    let path = rawPathInfo req+        qs = rawQueryString req+        host = encodeUtf8 $ upstreamHost config+        pathQuery = B.append path qs+        hostUrl = B.append "http://" host+        url = B.append hostUrl pathQuery+        urlString = decodeUtf8 url+    in proxyApp config urlString req respond++hoppishHeaders :: Set (CI B.ByteString)+hoppishHeaders = fromList [ "connection"+                          , "content-encoding"+                          , "keep-alive"+                          , "proxy-authenticate"+                          , "proxy-authorization"+                          , "te"+                          , "trailers"+                          , "transfer-encoding"+                          , "upgrade"+                          , "content-encoding"+                          ]++proxyApp :: ProxyConfiguration -> Text -> Application+proxyApp config url req respond = do+    body <- requestBody req+    response <- request method options (unpack url) body+    let rBody = response ^. responseBody+        contentType = response ^. responseHeader "Content-Type"+        (mimetype, _) = B.breakByte 0x3b contentType  -- drop after semicolon+        rStatus = (response ^. responseStatus)+        rHeaders = (response ^. responseHeaders)+        toBeTranslated = method == "POST" && mimetype == "text/xml"+    translated <- if toBeTranslated+                  then translateResponse (language config) rBody+                  else return rBody+    respond $ responseLBS rStatus rHeaders translated+  where+    method = requestMethod req+    headerList = requestHeaders req+    acceptAnyStatus _ _ _ = Nothing+    options = defaults & headers .~ [(k, v) | (k, v) <- headerList+                                            , k `notMember` hoppishHeaders]+                       & checkStatus .~ (Just acceptAnyStatus)++request :: Method+        -> Options -> String -> B.ByteString -> IO (Response LB.ByteString)+request "GET" = \options url _ -> getWith options url+request "POST" = postWith+request "PUT" = putWith+request "DELETE" = \options url _ -> deleteWith options url+request _= \_ _ _ -> ioError $ userError $ "unsupported method"++translateResponse :: ISO639_1 -> LB.ByteString -> IO LB.ByteString+translateResponse lang response = case parseLBS def response of+    Left _ -> return response+    Right doc -> do translatedDoc <- translateXml lang doc+                    return $ renderLBS def translatedDoc++translateXml :: ISO639_1 -> Document -> IO Document+translateXml lang doc = do+    translatedTexts <- translateMultiple lang texts+    let translatedElems = [ (el, el { elementNodes = [NodeContent text] })+                          | (el, text) <- zip elems translatedTexts ]+    return $ transformXml doc translatedElems+  where+    cursor = fromDocument doc+    texts :: [Text]+    texts = cursor $// element "chat" &// content+    elems :: [Element]+    elems = catMaybes [ case node node' of+                             NodeElement element' -> Just element'+                             _ -> Nothing+                      | node' <- cursor $// element "chat" ]++transformXml :: Document -> [(Element, Element)] -> Document+transformXml (Document prolog root epilog) table =+    Document prolog (transformElement root table) epilog++transformElement :: Element -> [(Element, Element)] -> Element+transformElement el table =+    case find (\(src, _) -> src == el) table of+        Just (_, dst) -> dst+        Nothing -> Element name attrs [ case node' of+                                            NodeElement e -> NodeElement $+                                                transformElement e table+                                            _ -> node'+                                      | node' <- nodes ]+  where+    Element name attrs nodes = el

@@ -0,0 +1,48 @@+{-# LANGUAGE OverloadedStrings #-}+module NicovideoTranslator.Translate+    (+      translate+    , translateMultiple+    ) where++import Control.Lens ((^?))+import Data.Aeson.Lens (key)+import Data.Aeson.Types (Value(String))+import Data.LanguageCodes (ISO639_1, language)+import Data.Text (Text, cons, intercalate, pack, snoc, splitOn, strip)+import Network.Wreq (FormParam((:=)), post, responseBody)+import System.Random (getStdRandom, randomR)++translate :: ISO639_1 -> Text -> IO Text+translate lang text =+    let response =+            post+            "http://translate.naver.com/translate.dic"+            [ "query" := text+            , "srcLang" := ("ja" :: Text)+            , "tarLang" := (pack $ language lang)+            , "highlight" := ("0" :: Text)+            , "hurigana" := ("0" :: Text)]+        getResultData resp = resp ^? responseBody . key "resultData"+        resultData = response >>= return . getResultData+    in+        resultData >>= \dat -> case dat of+            Just (String translated) -> return translated+            _ -> ioError $ userError "translate.naver.com sent invalid response"++arbitraryNumericLength :: Int+arbitraryNumericLength = 20++arbitraryNumeric :: IO Text+arbitraryNumeric =+    let+        randomDigit i = getStdRandom (randomR (if i > 1 then '0' else '1', '9'))+        string = sequence $ map randomDigit [1..arbitraryNumericLength]+    in+        string >>= return . pack++translateMultiple :: ISO639_1 -> [Text] -> IO [Text]+translateMultiple lang texts = do+    spliter <- arbitraryNumeric+    result <- translate lang $ intercalate (snoc (cons ' ' spliter) ' ') texts+    return $ map strip $ splitOn spliter result

@@ -0,0 +1,50 @@+name:                nicovideo-translator+version:             0.1.0.0+synopsis:            Nico Nico Douga (ニコニコ動画) Comment Translator+homepage:            https://github.com/dahlia/nicovideo-translator+bug-reports:         https://github.com/dahlia/nicovideo-translator/issues+license:             AGPL-3+license-file:        LICENSE+author:              Hong Minhee+maintainer:          hongminhee@member.fsf.org+copyright:           (c) 2015 Hong Minhee+stability:           alpha+build-type:          Simple+extra-source-files:  README.md+cabal-version:       >=1.10++library+  hs-source-dirs:      lib+  exposed-modules:     NicovideoTranslator.Proxy,+                       NicovideoTranslator.Translate+  build-depends:       aeson            >=0.7.0.6  && <0.8.0.0,+                       base             >=4.7      && <4.8,+                       bytestring       >=0.10.4.0 && <0.11.0.0,+                       case-insensitive >=1.2.0.0  && <1.3.0.0,+                       containers,+                       http-client      >=0.4.9    && <0.5.0,+                       http-types       >=0.8.6    && <0.9.0,+                       iso639,+                       lens             >=4.8      && <4.9,+                       lens-aeson       >=1.0.0.3  && <1.1.0.0,+                       random           >=1.0.1.1  && <1.1.0.0,+                       text             >=1.1.0.0  && <1.2.0.0,+                       wai              >=3.0.2.3  && <3.1.0.0,+                       wreq             >=0.3.0.1  && <0.4.0.0,+                       xml-conduit      >=1.2.3.3  && <1.3.0.0+  default-language:    Haskell2010+  ghc-options:         -Wall -fwarn-incomplete-uni-patterns -threaded+    ++executable nicovideo-translator+  hs-source-dirs:      src+  main-is:             Main.hs+  build-depends:       base       >=4.7     && <4.8,+                       dns        >=1.4.4   && <1.5.0,+                       iso639,+                       nicovideo-translator,+                       setlocale  >=1.0.0.2 &&<1.1.0.0,+                       text       >=1.1.0.0 && <1.2.0.0,+                       warp       >=3.0.10  && <3.1.0+  default-language:    Haskell2010+  ghc-options:         -Wall -fwarn-incomplete-uni-patterns -threaded

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@@ -0,0 +1,49 @@+{-# LANGUAGE OverloadedStrings #-}+module Main (main) where++import Data.Char (toLower)+import System.IO (stderr, stdout)+import System.IO.Error (catchIOError)++import Data.LanguageCodes (ISO639_1(EN), fromChars)+import qualified Data.Text as T+import Data.Text.Encoding (encodeUtf8)+import Data.Text.IO (hPutStrLn)+import Network.DNS.Resolver (defaultResolvConf, makeResolvSeed, withResolver)+import Network.DNS.Lookup (lookupA)+import Network.Wai.Handler.Warp (run)+import System.Locale.SetLocale (Category(LC_CTYPE), setLocale)++import NicovideoTranslator.Proxy (ProxyConfiguration(ProxyConfiguration), app)++language :: IO ISO639_1+language = do+    currentLocale <- setLocale LC_CTYPE Nothing+    case currentLocale of+        Just (x:y:ys) -> case fromChars (toLower x) (toLower y) of+            Just lang -> return lang+            _ -> ioError $ userError $ (x:y:ys) ++ " is wrong LC_CTYPE value"+        _ -> ioError $ userError "locale is not set"++defaultUpstreamHost :: T.Text+defaultUpstreamHost = "msg.nicovideo.jp"++main :: IO ()+main = do+    putStrLn "Running on http://0.0.0.0:80/ (Press ^C to quit)"+    lang <- catchIOError language (\_ -> return EN)+    rs <- makeResolvSeed defaultResolvConf+    resolution <- withResolver rs $+        \resolver -> lookupA resolver (encodeUtf8 defaultUpstreamHost)+    case resolution of+        Right (resolvedHost:_) ->+            let upstreamHost = T.pack $ show resolvedHost+            in do+                hPutStrLn stdout $ T.concat ["Upstream: "+                                            , defaultUpstreamHost+                                            , " (", upstreamHost, ")"+                                            ]+                run 80 $ app (ProxyConfiguration lang upstreamHost)+        _ -> hPutStrLn stderr $ T.concat [ "error: failed to resolve "+                                         , defaultUpstreamHost+                                         ]