Class: Atig::OFilter::EscapeUrl
- Inherits:
-
Object
- Object
- Atig::OFilter::EscapeUrl
- Includes:
- Util
- Defined in:
- lib/atig/ofilter/escape_url.rb
Instance Method Summary collapse
- #call(status) ⇒ Object
- #escape_http_urls(text) ⇒ Object
- #exist_uri?(uri, limit = 1) ⇒ Boolean
-
#initialize(context) ⇒ EscapeUrl
constructor
A new instance of EscapeUrl.
Methods included from ExceptionUtil
Constructor Details
Instance Method Details
#call(status) ⇒ Object
21 22 23 |
# File 'lib/atig/ofilter/escape_url.rb', line 21 def call(status) status.merge(:status => escape_http_urls(status[:status])) end |
#escape_http_urls(text) ⇒ Object
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 |
# File 'lib/atig/ofilter/escape_url.rb', line 51 def escape_http_urls(text) original_text = text.encoding!("UTF-8").dup if defined? ::Punycode # TODO: Nameprep text.gsub!(%r{(https?://)([^\x00-\x2C\x2F\x3A-\x40\x5B-\x60\x7B-\x7F]+)}) do domain = $2 # Dots: # * U+002E (full stop) * U+3002 (ideographic full stop) # * U+FF0E (fullwidth full stop) * U+FF61 (halfwidth ideographic full stop) # => /[.\u3002\uFF0E\uFF61] # Ruby 1.9 /x $1 + domain.split(/\.|\343\200\202|\357\274\216|\357\275\241/).map do |label| break [domain] if /\A-|[\x00-\x2C\x2E\x2F\x3A-\x40\x5B-\x60\x7B-\x7F]|-\z/ === label next label unless /[^-A-Za-z0-9]/ === label punycode = Punycode.encode(label) break [domain] if punycode.size > 59 "xn--#{punycode}" end.join(".") end if text != original_text log :info, "Punycode encoded: #{text}" original_text = text.dup end end urls = [] text.split(/[\s<>]+/).each do |str| next if /%[0-9A-Fa-f]{2}/ === str # URI::UNSAFE + "#" escaped_str = URI.escape(str, %r{[^-_.!~*'()a-zA-Z0-9;/?:@&=+$,\[\]#]}) #' URI.extract(escaped_str, %w[http https]).each do |url| uri = URI(URI.rstrip(url)) if not urls.include?(uri.to_s) and self.exist_uri?(uri) urls << uri.to_s end end if escaped_str != str end urls.each do |url| unescaped_url = URI.unescape(url).encoding!("UTF-8") text.gsub!(unescaped_url, url) end log :info, "Percent encoded: #{text}" if text != original_text text.encoding!("UTF-8") rescue => e log :error, e text end |
#exist_uri?(uri, limit = 1) ⇒ Boolean
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 |
# File 'lib/atig/ofilter/escape_url.rb', line 25 def exist_uri?(uri, limit = 1) ret = nil #raise "Not supported." unless uri.is_a?(URI::HTTP) return ret if limit.zero? or uri.nil? or not uri.is_a?(URI::HTTP) @log.debug uri.inspect req = @http.req :head, uri @http.http(uri, 3, 2).request(req) do |res| ret = case res when Net::HTTPSuccess true when Net::HTTPRedirection uri = resolve_http_redirect(uri) exist_uri?(uri, limit - 1) when Net::HTTPClientError false else nil end end ret rescue => e @log.error e.inspect ret end |