From 7cea1667ec30438e60daf696347174dccda8dee3 Mon Sep 17 00:00:00 2001
From: Adrian Cochrane <alcinnz@lavabit.com>
Date: Tue, 2 Aug 2022 20:54:02 +1200
Subject: [PATCH] Localize HTTP errorcodes!

---
 src/Network/URI/Fetch.hs    |  4 ++-
 src/Network/URI/Messages.hs | 63 ++++++++++++++++++++++++++++++++++---
 2 files changed, 62 insertions(+), 5 deletions(-)

diff --git a/src/Network/URI/Fetch.hs b/src/Network/URI/Fetch.hs
index 4a3623b..8c3fa6b 100644
--- a/src/Network/URI/Fetch.hs
+++ b/src/Network/URI/Fetch.hs
@@ -554,7 +554,9 @@ fetchHTTPCached session shouldCache accept@(defaultMIME:_) rawUri cbReq cbResp =
                         Just location <- lookup "location" $ HTTP.responseHeaders response,
                         Just uri' <- parseURIReference $ C8.unpack location ->
                     return $ Left $ relativeTo uri' uri
-                (Status _ msg, "", _) -> return $ Right (Txt.pack mimeERR, B.fromStrict msg)
+                (Status code msg, "", _) -> return $ Right (Txt.pack mimeERR,
+                    B.fromStrict $ C8.pack $
+                        trans (locale session) $ HTTPStatus code $ C8.unpack msg)
                 (_, body, (mimetype:_)) -> do
                     cacheHTTP uri response
                     forkIO cleanCacheHTTP -- Try to keep diskspace down...
diff --git a/src/Network/URI/Messages.hs b/src/Network/URI/Messages.hs
index 6233d3b..289e30e 100644
--- a/src/Network/URI/Messages.hs
+++ b/src/Network/URI/Messages.hs
@@ -88,6 +88,7 @@ trans ("en":_) (Http (HttpExceptionRequest _ (InternalException e))) = case from
     Just ConnectionNotEstablished ->
         "Attempted to send or recieve data before establishing secure connection!"
     Nothing -> "Internal error: " ++ displayException e
+#endif
 trans ("en":_) (GeminiError '1' '1' label) =
     "<form><label>" ++ label ++ "<input type=password></form>" 
 trans ("en":_) (GeminiError '1' _ label) = "<form><label>" ++ label ++ "<input></form>"
@@ -96,8 +97,8 @@ trans ("en":_) (GeminiError '4' '2' _) = "Program error!"
 trans ("en":_) (GeminiError '4' '3' _) = "Proxy error!"
 trans ("en":_) (GeminiError '4' '4' timeout) =
     "Site busy! Please reload after at least " ++ timeout ++ " seconds"
-trans ("en":_) (GeminiError '5' '1' _) = "Page not found!"
-trans ("en":_) (GeminiError '5' '2' _) = "Page deleted!"
+trans ("en":_) (GeminiError '5' '1' _) = "Page not found! Try the <a href='/'>homepage</a>."
+trans ("en":_) (GeminiError '5' '2' _) = "Page deleted! Try the <a href='/'>homepage</a>."
 trans ("en":_) (GeminiError '5' '3' _) = "Contacted wrong server!"
 trans ("en":_) (GeminiError '5' '9' _) = "Malformed request, my bad!"
 trans ("en":_) (GeminiError '6' '1' _) = "<form><label>Authentication required" ++
@@ -107,7 +108,61 @@ trans ("en":_) (GeminiError '6' '2' _) = "<form><label>Authentication required"
 trans ("en":_) (GeminiError '6' _ _) = "<form><label>Authentication required" ++
     "<input type='-argo-keypair' -argo-error='Invalid account!'></form>"
 trans ("en":_) (GeminiError _ _ error) = error
-#endif
+trans ("en":_) (HTTPStatus 400 _) = "I sent a bad request, according to this site."
+trans ("en":_) (HTTPStatus 401 _) = "Authentication required!" -- FIXME: Support HTTP Basic Auth.
+trans ("en":_) (HTTPStatus 402 _) = "Payment required!"
+trans ("en":_) (HTTPStatus 403 _) = "Access denied!"
+trans ("en":_) (HTTPStatus 404 _) = "Page not found! Try the <a href='/'>homepage</a>."
+trans ("en":_) (HTTPStatus 405 _) = "Bad webform for this destination webaddress! " ++
+    "<em>Method not allowed</em>."
+trans ("en":_) (HTTPStatus 406 _) = "No representation available for given criteria!"
+trans ("en":_) (HTTPStatus 407 _) = "Authentication into proxyserver required!"
+trans ("en":_) (HTTPStatus 408 _) = "The site took too long to connect! <em>(HTTP 408)</em>"
+trans ("en":_) (HTTPStatus 409 _) = "Request is based on outdated state!"
+trans ("en":_) (HTTPStatus 410 _) = "Page deleted! Try the <a href='/'>homepage</a>."
+trans ("en":_) (HTTPStatus 411 _) = "I sent a bad request, according to this site." ++
+    "<em>(Missing <code>Content-Length</code> header)</em>"
+trans ("en":_) (HTTPStatus 412 _) = "Webpage doesn't meet our preconditions."
+trans ("en":_) (HTTPStatus 413 _) = "Payload too large, please upload a smaller file!"
+trans ("en":_) (HTTPStatus 414 _) = "Web address is too long for the site!"
+trans ("en":_) (HTTPStatus 415 _) = "No representation available for supported filetypes!"
+trans ("en":_) (HTTPStatus 416 _) = "Invalid byte-range of requested resource!"
+trans ("en":_) (HTTPStatus 417 _) = "Site cannot satisfy our stated expectations!"
+trans ("en":_) (HTTPStatus 418 _) = unlines [
+    "<p>I'm a little teapot<br/>",
+    "Short and stout<br/>",
+    "Here is my handle<br/>",
+    "And here is my spout.</p>>",
+    "<p>When I get all steamed up<br/>",
+    "Hear me shout<br/>",
+    "<q>Tip me over<br/>",
+    "And pour me out!</q></p>"
+  ]
+trans ("en":_) (HTTPStatus 421 _) = "Contacted wrong server!"
+trans ("en":_) (HTTPStatus 422 _) = "Invalid <strong>WebDAV</strong> request!"
+trans ("en":_) (HTTPStatus 423 _) = "<strong>WebDAV</strong> resource is locked!"
+trans ("en":_) (HTTPStatus 424 _) = "Failed due to previous failure!"
+trans ("en":_) (HTTPStatus 425 _) = "Site requires stronger security on our request!"
+trans ("en":_) (HTTPStatus 426 _) = "Site requires newer networking-protocols!"
+trans ("en":_) (HTTPStatus 428 _) = "Site requires additional protection to avoid loosing changes!"
+trans ("en":_) (HTTPStatus 429 _) = "We sent this site too many requests for it to cope with!"
+trans ("en":_) (HTTPStatus 431 _) = "I sent more auxiliary data than this site can cope with!"
+trans ("en":_) (HTTPStatus 451 _) = "Requested page cannot legally be provided!"
+
+trans ("en":_) (HTTPStatus 500 _) = "The site experienced an error generating this webpage. <em>The webmasters have probably already been automatically notified.</em>"
+trans ("en":_) (HTTPStatus 501 _) = "Bad webform for this destination webaddress! " ++ 
+    "<em>Method not implemented</em>."
+trans ("en":_) (HTTPStatus 502 _) = "Proxyserver got a malformed response!"
+trans ("en":_) (HTTPStatus 503 _) = "The site is not available right now!"
+trans ("en":_) (HTTPStatus 504 _) = "The site took too long to respond! <em>(Behind proxy)</em>"
+trans ("en":_) (HTTPStatus 505 _) = "The site does not speak the language as me! " ++
+    "<em>(Unsupported HTTP version)</em>"
+trans ("en":_) (HTTPStatus 506 _) = "The site is misconfigured!"
+trans ("en":_) (HTTPStatus 507 _) = "Insufficient <strong>WebDAV</strong> storage!"
+trans ("en":_) (HTTPStatus 508 _) = "<strong>WebDAV</strong> loop detected!"
+trans ("en":_) (HTTPStatus 510 _) = "Further request extensions required!"
+trans ("en":_) (HTTPStatus 511 _) = "Authentication into network required!"
+trans ("en":_) (HTTPStatus _ error) = error -- TODO localize
 --- END LOCALIZATION
 
 trans (_:locales) err = trans locales err
@@ -115,7 +170,7 @@ trans [] err = trans ["en"] err
 
 data Errors = UnsupportedScheme String | UnsupportedMIME String | RequiresInstall String String
     | OpenedWith String | ReadFailed String | RawXML String | MalformedResponse
-    | ExcessiveRedirects | GeminiError Char Char String
+    | ExcessiveRedirects | HTTPStatus Int String | GeminiError Char Char String
 #if WITH_HTTP_URI
     | Http HttpException
 #endif
-- 
2.30.2