diff options
Diffstat (limited to 'actionmailer/lib/action_mailer/vendor/tmail-1.2.2/tmail/utils.rb')
| -rw-r--r-- | actionmailer/lib/action_mailer/vendor/tmail-1.2.2/tmail/utils.rb | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/actionmailer/lib/action_mailer/vendor/tmail-1.2.2/tmail/utils.rb b/actionmailer/lib/action_mailer/vendor/tmail-1.2.2/tmail/utils.rb new file mode 100644 index 0000000000..0c307bd927 --- /dev/null +++ b/actionmailer/lib/action_mailer/vendor/tmail-1.2.2/tmail/utils.rb @@ -0,0 +1,280 @@ +=begin rdoc + += General Purpose TMail Utilities + +=end +#-- +# Copyright (c) 1998-2003 Minero Aoki <aamine@loveruby.net> +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Note: Originally licensed under LGPL v2+. Using MIT license for Rails +# with permission of Minero Aoki. +#++ + +module TMail + + class SyntaxError < StandardError; end + + + def TMail.new_boundary + 'mimepart_' + random_tag + end + + def TMail.new_message_id( fqdn = nil ) + fqdn ||= ::Socket.gethostname + "<#{random_tag()}@#{fqdn}.tmail>" + end + + def TMail.random_tag + @uniq += 1 + t = Time.now + sprintf('%x%x_%x%x%d%x', + t.to_i, t.tv_usec, + $$, Thread.current.object_id, @uniq, rand(255)) + end + private_class_method :random_tag + + @uniq = 0 + + module TextUtils + # Defines characters per RFC that are OK for TOKENs, ATOMs, PHRASEs and CONTROL characters. + + aspecial = '()<>[]:;.\\,"' + tspecial = '()<>[];:\\,"/?=' + lwsp = " \t\r\n" + control = '\x00-\x1f\x7f-\xff' + + ATOM_UNSAFE = /[#{Regexp.quote aspecial}#{control}#{lwsp}]/n + PHRASE_UNSAFE = /[#{Regexp.quote aspecial}#{control}]/n + TOKEN_UNSAFE = /[#{Regexp.quote tspecial}#{control}#{lwsp}]/n + CONTROL_CHAR = /[#{control}]/n + + def atom_safe?( str ) + # Returns true if the string supplied is free from characters not allowed as an ATOM + not ATOM_UNSAFE === str + end + + def quote_atom( str ) + # If the string supplied has ATOM unsafe characters in it, will return the string quoted + # in double quotes, otherwise returns the string unmodified + (ATOM_UNSAFE === str) ? dquote(str) : str + end + + def quote_phrase( str ) + # If the string supplied has PHRASE unsafe characters in it, will return the string quoted + # in double quotes, otherwise returns the string unmodified + (PHRASE_UNSAFE === str) ? dquote(str) : str + end + + def token_safe?( str ) + # Returns true if the string supplied is free from characters not allowed as a TOKEN + not TOKEN_UNSAFE === str + end + + def quote_token( str ) + # If the string supplied has TOKEN unsafe characters in it, will return the string quoted + # in double quotes, otherwise returns the string unmodified + (TOKEN_UNSAFE === str) ? dquote(str) : str + end + + def dquote( str ) + # Wraps supplied string in double quotes unless it is already wrapped + # Returns double quoted string + unless str =~ /^".*?"$/ + '"' + str.gsub(/["\\]/n) {|s| '\\' + s } + '"' + else + str + end + end + private :dquote + + def unquote( str ) + # Unwraps supplied string from inside double quotes + # Returns unquoted string + str =~ /^"(.*?)"$/ ? $1 : str + end + + def join_domain( arr ) + arr.map {|i| + if /\A\[.*\]\z/ === i + i + else + quote_atom(i) + end + }.join('.') + end + + + ZONESTR_TABLE = { + 'jst' => 9 * 60, + 'eet' => 2 * 60, + 'bst' => 1 * 60, + 'met' => 1 * 60, + 'gmt' => 0, + 'utc' => 0, + 'ut' => 0, + 'nst' => -(3 * 60 + 30), + 'ast' => -4 * 60, + 'edt' => -4 * 60, + 'est' => -5 * 60, + 'cdt' => -5 * 60, + 'cst' => -6 * 60, + 'mdt' => -6 * 60, + 'mst' => -7 * 60, + 'pdt' => -7 * 60, + 'pst' => -8 * 60, + 'a' => -1 * 60, + 'b' => -2 * 60, + 'c' => -3 * 60, + 'd' => -4 * 60, + 'e' => -5 * 60, + 'f' => -6 * 60, + 'g' => -7 * 60, + 'h' => -8 * 60, + 'i' => -9 * 60, + # j not use + 'k' => -10 * 60, + 'l' => -11 * 60, + 'm' => -12 * 60, + 'n' => 1 * 60, + 'o' => 2 * 60, + 'p' => 3 * 60, + 'q' => 4 * 60, + 'r' => 5 * 60, + 's' => 6 * 60, + 't' => 7 * 60, + 'u' => 8 * 60, + 'v' => 9 * 60, + 'w' => 10 * 60, + 'x' => 11 * 60, + 'y' => 12 * 60, + 'z' => 0 * 60 + } + + def timezone_string_to_unixtime( str ) + # Takes a time zone string from an EMail and converts it to Unix Time (seconds) + if m = /([\+\-])(\d\d?)(\d\d)/.match(str) + sec = (m[2].to_i * 60 + m[3].to_i) * 60 + m[1] == '-' ? -sec : sec + else + min = ZONESTR_TABLE[str.downcase] or + raise SyntaxError, "wrong timezone format '#{str}'" + min * 60 + end + end + + + WDAY = %w( Sun Mon Tue Wed Thu Fri Sat TMailBUG ) + MONTH = %w( TMailBUG Jan Feb Mar Apr May Jun + Jul Aug Sep Oct Nov Dec TMailBUG ) + + def time2str( tm ) + # [ruby-list:7928] + gmt = Time.at(tm.to_i) + gmt.gmtime + offset = tm.to_i - Time.local(*gmt.to_a[0,6].reverse).to_i + + # DO NOT USE strftime: setlocale() breaks it + sprintf '%s, %s %s %d %02d:%02d:%02d %+.2d%.2d', + WDAY[tm.wday], tm.mday, MONTH[tm.month], + tm.year, tm.hour, tm.min, tm.sec, + *(offset / 60).divmod(60) + end + + + MESSAGE_ID = /<[^\@>]+\@[^>\@]+>/ + + def message_id?( str ) + MESSAGE_ID === str + end + + + MIME_ENCODED = /=\?[^\s?=]+\?[QB]\?[^\s?=]+\?=/i + + def mime_encoded?( str ) + MIME_ENCODED === str + end + + + def decode_params( hash ) + new = Hash.new + encoded = nil + hash.each do |key, value| + if m = /\*(?:(\d+)\*)?\z/.match(key) + ((encoded ||= {})[m.pre_match] ||= [])[(m[1] || 0).to_i] = value + else + new[key] = to_kcode(value) + end + end + if encoded + encoded.each do |key, strings| + new[key] = decode_RFC2231(strings.join('')) + end + end + + new + end + + NKF_FLAGS = { + 'EUC' => '-e -m', + 'SJIS' => '-s -m' + } + + def to_kcode( str ) + flag = NKF_FLAGS[TMail.KCODE] or return str + NKF.nkf(flag, str) + end + + RFC2231_ENCODED = /\A(?:iso-2022-jp|euc-jp|shift_jis|us-ascii)?'[a-z]*'/in + + def decode_RFC2231( str ) + m = RFC2231_ENCODED.match(str) or return str + begin + to_kcode(m.post_match.gsub(/%[\da-f]{2}/in) {|s| s[1,2].hex.chr }) + rescue + m.post_match.gsub(/%[\da-f]{2}/in, "") + end + end + + def quote_boundary + # Make sure the Content-Type boundary= parameter is quoted if it contains illegal characters + # (to ensure any special characters in the boundary text are escaped from the parser + # (such as = in MS Outlook's boundary text)) + if @body =~ /^(.*)boundary=(.*)$/m + preamble = $1 + remainder = $2 + if remainder =~ /;/ + remainder =~ /^(.*?)(;.*)$/m + boundary_text = $1 + post = $2.chomp + else + boundary_text = remainder.chomp + end + if boundary_text =~ /[\/\?\=]/ + boundary_text = "\"#{boundary_text}\"" unless boundary_text =~ /^".*?"$/ + @body = "#{preamble}boundary=#{boundary_text}#{post}" + end + end + end + + end + +end |