require 'pathname'
require 'rmail'
+# from jcode.rb, not included in ruby 1.9
+PATTERN_UTF8 = '[\xc0-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf][\x80-\xbf]'
+RE_UTF8 = Regexp.new(PATTERN_UTF8, 0, 'n')
+
module Redwood
class SendmailCommandFailed < StandardError; end
class EditMessageMode < LineCursorMode
+ DECORATION_LINES = 1
+
FORCE_HEADERS = %w(From To Cc Bcc Subject)
MULTI_HEADERS = %w(To Cc Bcc)
- NON_EDITABLE_HEADERS = %w(Message-Id Date)
+ NON_EDITABLE_HEADERS = %w(Message-id Date)
+
+ HookManager.register "signature", <<EOS
+Generates a message signature.
+Variables:
+ header: an object that supports string-to-string hashtable-style access
+ to the raw headers for the message. E.g., header["From"],
+ header["To"], etc.
+ from_email: the email part of the From: line, or nil if empty
+Return value:
+ A string (multi-line ok) containing the text of the signature, or nil to
+ use the default signature, or :none for no signature.
+EOS
+
+ HookManager.register "before-edit", <<EOS
+Modifies message body and headers before editing a new message. Variables
+should be modified in place.
+Variables:
+ header: a hash of headers. See 'signature' hook for documentation.
+ body: an array of lines of body text.
+Return value:
+ none
+EOS
attr_reader :status
attr_accessor :body, :header
register_keymap do |k|
k.add :send_message, "Send message", 'y'
- k.add :edit_field, "Edit field", 'e'
+ k.add :edit_message_or_field, "Edit selected field", 'e'
+ k.add :edit_to, "Edit To:", 't'
+ k.add :edit_cc, "Edit Cc:", 'c'
+ k.add :edit_subject, "Edit Subject", 's'
k.add :edit_message, "Edit message", :enter
k.add :save_as_draft, "Save as draft", 'P'
k.add :attach_file, "Attach a file", 'a'
k.add :delete_attachment, "Delete an attachment", 'd'
+ k.add :move_cursor_right, "Move selector to the right", :right, 'l'
+ k.add :move_cursor_left, "Move selector to the left", :left, 'h'
end
def initialize opts={}
@header_lines = []
@body = opts.delete(:body) || []
- @body += sig_lines if $config[:edit_signature]
+ @body += sig_lines if $config[:edit_signature] && !opts.delete(:have_signature)
+
+ if opts[:attachments]
+ @attachments = opts[:attachments].values
+ @attachment_names = opts[:attachments].keys
+ else
+ @attachments = []
+ @attachment_names = []
+ end
- @attachments = []
@message_id = "<#{Time.now.to_i}-sup-#{rand 10000}@#{Socket.gethostname}>"
@edited = false
- @skip_top_rows = opts[:skip_top_rows] || 0
+ @selectors = []
+ @selector_label_width = 0
+
+ @crypto_selector =
+ if CryptoManager.have_crypto?
+ HorizontalSelector.new "Crypto:", [:none] + CryptoManager::OUTGOING_MESSAGE_OPERATIONS.keys, ["None"] + CryptoManager::OUTGOING_MESSAGE_OPERATIONS.values
+ end
+ add_selector @crypto_selector if @crypto_selector
+
+ HookManager.run "before-edit", :header => @header, :body => @body
super opts
regen_text
end
- def lines; @text.length end
- def [] i; @text[i] end
+ def lines; @text.length + (@selectors.empty? ? 0 : (@selectors.length + DECORATION_LINES)) end
+
+ def [] i
+ if @selectors.empty?
+ @text[i]
+ elsif i < @selectors.length
+ @selectors[i].line @selector_label_width
+ elsif i == @selectors.length
+ ""
+ else
+ @text[i - @selectors.length - DECORATION_LINES]
+ end
+ end
- ## a hook
+ ## hook for subclasses. i hate this style of programming.
def handle_new_text header, body; end
- def edit_field
- if (curpos - @skip_top_rows) >= @header_lines.length
+ def edit_message_or_field
+ lines = DECORATION_LINES + @selectors.size
+ if lines > curpos
+ return
+ elsif (curpos - lines) >= @header_lines.length
edit_message
else
- case(field = @header_lines[curpos - @skip_top_rows])
- when "Subject"
- text = BufferManager.ask :subject, "Subject: ", @header[field]
- @header[field] = parse_header field, text if text
- else
- default =
- case field
- when *MULTI_HEADERS
- @header[field].join(", ")
- else
- @header[field]
- end
-
- contacts = BufferManager.ask_for_contacts :people, "#{field}: ", default
- if contacts
- text = contacts.map { |s| s.longname }.join(", ")
- @header[field] = parse_header field, text
- end
- end
- update
+ edit_field @header_lines[curpos - lines]
end
end
+ def edit_to; edit_field "To" end
+ def edit_cc; edit_field "Cc" end
+ def edit_subject; edit_field "Subject" end
+
def edit_message
@file = Tempfile.new "sup.#{self.class.name.gsub(/.*::/, '').camel_to_hyphy}"
@file.puts format_headers(@header - NON_EDITABLE_HEADERS).first
@file.puts
- @file.puts @body
+ @file.puts @body.join("\n")
@file.close
editor = $config[:editor] || ENV['EDITOR'] || "/usr/bin/vi"
!edited? || BufferManager.ask_yes_or_no("Discard message?")
end
+ def unsaved?; edited? end
+
def attach_file
fn = BufferManager.ask_for_filename :attachment, "File name (enter for browser): "
- @attachments << Pathname.new(fn)
- update
+ return unless fn
+ begin
+ @attachments << RMail::Message.make_file_attachment(fn)
+ @attachment_names << fn
+ update
+ rescue SystemCallError => e
+ BufferManager.flash "Can't read #{fn}: #{e.message}"
+ end
end
def delete_attachment
- i = (curpos - @skip_top_rows) - @attachment_lines_offset
- if i >= 0 && i < @attachments.size && BufferManager.ask_yes_or_no("Delete attachment #{@attachments[i]}?")
+ i = curpos - @attachment_lines_offset - DECORATION_LINES - 1
+ if i >= 0 && i < @attachments.size && BufferManager.ask_yes_or_no("Delete attachment #{@attachment_names[i]}?")
@attachments.delete_at i
+ @attachment_names.delete_at i
update
end
end
protected
+ def mime_encode string
+ string = [string].pack('M') # basic quoted-printable
+ string.gsub!(/=\n/,'') # .. remove trailing newline
+ string.gsub!(/_/,'=96') # .. encode underscores
+ string.gsub!(/\?/,'=3F') # .. encode question marks
+ string.gsub!(/ /,'_') # .. translate space to underscores
+ "=?utf-8?q?#{string}?="
+ end
+
+ def mime_encode_subject string
+ return string unless string.match(String::RE_UTF8)
+ mime_encode string
+ end
+
+ RE_ADDRESS = /(.+)( <.*@.*>)/
+
+ # Encode "bælammet mitt <user@example.com>" into
+ # "=?utf-8?q?b=C3=A6lammet_mitt?= <user@example.com>
+ def mime_encode_address string
+ return string unless string.match(String::RE_UTF8)
+ string.sub(RE_ADDRESS) { |match| mime_encode($1) + $2 }
+ end
+
+ def move_cursor_left
+ if curpos < @selectors.length
+ @selectors[curpos].roll_left
+ buffer.mark_dirty
+ else
+ col_left
+ end
+ end
+
+ def move_cursor_right
+ if curpos < @selectors.length
+ @selectors[curpos].roll_right
+ buffer.mark_dirty
+ else
+ col_right
+ end
+ end
+
+ def add_selector s
+ @selectors << s
+ @selector_label_width = [@selector_label_width, s.label.length].max
+ end
+
def update
regen_text
buffer.mark_dirty if buffer
header, @header_lines = format_headers(@header - NON_EDITABLE_HEADERS) + [""]
@text = header + [""] + @body
@text += sig_lines unless $config[:edit_signature]
+
+ @attachment_lines_offset = 0
unless @attachments.empty?
@text += [""]
@attachment_lines_offset = @text.length
- @text += @attachments.map { |f| [[:attachment_color, "+ Attachment: #{f} (#{f.human_size})"]] }
+ @text += (0 ... @attachments.size).map { |i| [[:attachment_color, "+ Attachment: #{@attachment_names[i]} (#{@attachments[i].body.size.to_human_size})"]] }
end
end
def parse_file fn
File.open(fn) do |f|
- header = MBox::read_header f
- body = f.readlines
+ header = Source.parse_raw_email_header(f).inject({}) { |h, (k, v)| h[k.capitalize] = v; h } # lousy HACK
+ body = f.readlines.map { |l| l.chomp }
header.delete_if { |k, v| NON_EDITABLE_HEADERS.member? k }
header.each { |k, v| header[k] = parse_header k, v }
if i == 0
header + " " + name
else
- (" " * (header.length + 1)) + name
+ (" " * (header.display_length + 1)) + name
end + (i == things.length - 1 ? "" : ",")
end
end
end
def send_message
- return if !edited? && !BufferManager.ask_yes_or_no("Message unedited. Really send?")
- return if $config[:confirm_no_attachments] && mentions_attachments? && @attachments.size == 0 && !BufferManager.ask_yes_or_no("You haven't added any attachments. Really send?")#" stupid ruby-mode
- return if $config[:confirm_top_posting] && top_posting? && !BufferManager.ask_yes_or_no("You're top posting. That makes you a bad person. Really send?") #" stupid ruby-mode
+ return false if !edited? && !BufferManager.ask_yes_or_no("Message unedited. Really send?")
+ return false if $config[:confirm_no_attachments] && mentions_attachments? && @attachments.size == 0 && !BufferManager.ask_yes_or_no("You haven't added any attachments. Really send?")#" stupid ruby-mode
+ return false if $config[:confirm_top_posting] && top_posting? && !BufferManager.ask_yes_or_no("You're top-posting. That makes you a bad person. Really send?") #" stupid ruby-mode
- date = Time.now
from_email =
if @header["From"] =~ /<?(\S+@(\S+?))>?$/
$1
BufferManager.flash "Sending..."
begin
- IO.popen(acct.sendmail, "w") { |p| write_full_message_to p, date }
+ date = Time.now
+ m = build_message date
+ IO.popen(acct.sendmail, "w") { |p| p.puts m }
raise SendmailCommandFailed, "Couldn't execute #{acct.sendmail}" unless $? == 0
- SentManager.write_sent_message(date, from_email) { |f| write_full_message_to f, date }
+ SentManager.write_sent_message(date, from_email) { |f| f.puts sanitize_body(m.to_s) }
BufferManager.kill_buffer buffer
BufferManager.flash "Message sent!"
- rescue SystemCallError, SendmailCommandFailed => e
+ true
+ rescue SystemCallError, SendmailCommandFailed, CryptoManager::Error => e
Redwood::log "Problem sending mail: #{e.message}"
BufferManager.flash "Problem sending mail: #{e.message}"
+ false
end
end
BufferManager.flash "Saved for later editing."
end
- def write_full_message_to f, date=Time.now
+ def build_message date
m = RMail::Message.new
+ m.header["Content-Type"] = "text/plain; charset=#{$encoding}"
+ m.body = @body.join("\n")
+ m.body += sig_lines.join("\n") unless $config[:edit_signature]
+ ## body must end in a newline or GPG signatures will be WRONG!
+ m.body += "\n" unless m.body =~ /\n\Z/
+
+ ## there are attachments, so wrap body in an attachment of its own
+ unless @attachments.empty?
+ body_m = m
+ body_m.header["Content-Disposition"] = "inline"
+ m = RMail::Message.new
+
+ m.add_part body_m
+ @attachments.each { |a| m.add_part a }
+ end
+
+ ## do whatever crypto transformation is necessary
+ if @crypto_selector && @crypto_selector.val != :none
+ from_email = Person.from_address(@header["From"]).email
+ to_email = [@header["To"], @header["Cc"], @header["Bcc"]].flatten.compact.map { |p| Person.from_address(p).email }
+
+ m = CryptoManager.send @crypto_selector.val, from_email, to_email, m
+ end
+
+ ## finally, set the top-level headers
@header.each do |k, v|
next if v.nil? || v.empty?
m.header[k] =
case v
when String
- v
+ k.match(/subject/i) ? mime_encode_subject(v) : mime_encode_address(v)
when Array
- v.join ", "
+ v.map { |v| mime_encode_address v }.join ", "
end
end
m.header["Date"] = date.rfc2822
m.header["Message-Id"] = @message_id
m.header["User-Agent"] = "Sup/#{Redwood::VERSION}"
-
- if @attachments.empty?
- m.header["Content-Type"] = "text/plain; charset=#{$encoding}"
- m.body = @body.join
- m.body += sig_lines.join("\n") unless $config[:edit_signature]
- else
- body_m = RMail::Message.new
- body_m.body = @body.join
- body_m.body += sig_lines.join("\n") unless $config[:edit_signature]
- body_m.header["Content-Disposition"] = "inline"
-
- m.add_part body_m
- @attachments.each { |fn| m.add_file_attachment fn.to_s }
- end
- f.puts m.to_s
+ m.header["Content-Transfer-Encoding"] = '8bit'
+ m
end
+ ## TODO: remove this. redundant with write_full_message_to.
+ ##
## this is going to change soon: draft messages (currently written
## with full=false) will be output as yaml.
def write_message f, full=true, date=Time.now
end
f.puts
- f.puts @body.map { |l| l =~ /^From / ? ">#{l}" : l }
+ f.puts sanitize_body(@body.join("\n"))
f.puts sig_lines if full unless $config[:edit_signature]
end
+protected
+
+ def edit_field field
+ case field
+ when "Subject"
+ text = BufferManager.ask :subject, "Subject: ", @header[field]
+ if text
+ @header[field] = parse_header field, text
+ update
+ end
+ else
+ default = case field
+ when *MULTI_HEADERS
+ @header[field] ||= []
+ @header[field].join(", ")
+ else
+ @header[field]
+ end
+
+ contacts = BufferManager.ask_for_contacts :people, "#{field}: ", default
+ if contacts
+ text = contacts.map { |s| s.full_address }.join(", ")
+ @header[field] = parse_header field, text
+ update
+ end
+ end
+ end
+
private
+ def sanitize_body body
+ body.gsub(/^From /, ">From ")
+ end
+
def mentions_attachments?
@body.any? { |l| l =~ /^[^>]/ && l =~ /\battach(ment|ed|ing|)\b/i }
end
def top_posting?
- @body.join =~ /(\S+)\s*Excerpts from /
+ @body.join("\n") =~ /(\S+)\s*Excerpts from.*\n(>.*\n)+\s*\Z/
end
def sig_lines
- p = PersonManager.person_for(@header["From"]) or return []
- sigfn = (AccountManager.account_for(p.email) ||
+ p = Person.from_address(@header["From"])
+ from_email = p && p.email
+
+ ## first run the hook
+ hook_sig = HookManager.run "signature", :header => @header, :from_email => from_email
+
+ return [] if hook_sig == :none
+ return ["", "-- "] + hook_sig.split("\n") if hook_sig
+
+ ## no hook, do default signature generation based on config.yaml
+ return [] unless from_email
+ sigfn = (AccountManager.account_for(from_email) ||
AccountManager.default_account).signature
if sigfn && File.exists?(sigfn)