diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Text/Pandoc/Writers/HTML.hs | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/src/Text/Pandoc/Writers/HTML.hs b/src/Text/Pandoc/Writers/HTML.hs index 1b5201191..9ff2f5667 100644 --- a/src/Text/Pandoc/Writers/HTML.hs +++ b/src/Text/Pandoc/Writers/HTML.hs @@ -15,9 +15,9 @@ module Text.Pandoc.Writers.HTML ( import Text.Pandoc.Definition import Text.Pandoc.Shared import Text.Html ( stringToHtmlString ) -import Text.Regex ( mkRegex ) +import Text.Regex ( mkRegex, matchRegex ) import Numeric ( showHex ) -import Char ( ord ) +import Data.Char ( ord, toLower ) import Data.List ( isPrefixOf, partition ) -- | Convert Pandoc document to string in HTML format. @@ -59,14 +59,27 @@ footnoteSection options notes = -- | Obfuscate a "mailto:" link using Javascript. obfuscateLink :: WriterOptions -> [Inline] -> String -> String obfuscateLink options text src = - let text' = inlineListToHtml options text in - let linkText = if src == ("mailto:" ++ text') - then "e" - else "'" ++ text' ++ "'" - altText = if src == ("mailto:" ++ text') - then "\\1 [at] \\2" - else text' ++ " (\\1 [at] \\2)" in - gsub "mailto:([^@]*)@(.*)" ("<script type=\"text/javascript\">h='\\2';n='\\1';e=n+'@'+h;document.write('<a href=\"mailto:'+e+'\">'+" ++ linkText ++ "+'<\\/a>');</script><noscript>" ++ altText ++ "</noscript>") src + let emailRegex = mkRegex "mailto:*([^@]*)@(.*)" + text' = inlineListToHtml options text + src' = map toLower src in + case (matchRegex emailRegex src') of + (Just [name, domain]) -> + let domain' = gsub "\\." " dot " domain + at' = obfuscateChar '@' in + let linkText = if src' == ("mailto:" ++ text') + then "e" + else "'" ++ text' ++ "'" + altText = if src' == ("mailto:" ++ text') + then name ++ " at " ++ domain' + else text' ++ " (" ++ name ++ " at " ++ + domain' ++ ")" in + "<script type=\"text/javascript\">\n<!--\nh='" ++ + obfuscateString domain ++ "';a='" ++ at' ++ "';n='" ++ + obfuscateString name ++ "';e=n+a+h;\n" ++ + "document.write('<a h'+'ref'+'=\"ma'+'ilto'+':'+e+'\">'+" ++ + linkText ++ "+'<\\/'+'a'+'>');\n// -->\n</script><noscript>" ++ + obfuscateString altText ++ "</noscript>" + _ -> "<a href=\"" ++ src ++ "\">" ++ text' ++ "</a>" -- malformed email -- | Obfuscate character as entity. obfuscateChar :: Char -> String @@ -75,6 +88,10 @@ obfuscateChar char = let numstr = if even num then (show num) else ("x" ++ (showHex num "")) in "&#" ++ numstr ++ ";" +-- | Obfuscate string using entities. +obfuscateString :: String -> String +obfuscateString = concatMap obfuscateChar + -- | Escape string, preserving character entities and quote. stringToHtml :: String -> String stringToHtml str = escapePreservingRegex stringToHtmlString |