require 'tempfile'
require 'socket' # just for gethostname!
+require 'pathname'
+require 'rmail'
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)
+ 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
+ bool_reader :edited
register_keymap do |k|
k.add :send_message, "Send message", 'y'
- k.add :edit, "Edit message", 'e', :enter
+ 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 *a
- super
- @attachments = []
+ def initialize opts={}
+ @header = opts.delete(:header) || {}
+ @header_lines = []
+
+ @body = opts.delete(:body) || []
+ @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
+
+ @message_id = "<#{Time.now.to_i}-sup-#{rand 10000}@#{Socket.gethostname}>"
@edited = false
+ @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 + (@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
+
+ ## hook for subclasses. i hate this style of programming.
+ def handle_new_text header, body; end
+
+ def edit_message_or_field
+ lines = DECORATION_LINES + @selectors.size
+ if lines > curpos
+ return
+ elsif (curpos - lines) >= @header_lines.length
+ edit_message
+ else
+ edit_field @header_lines[curpos - lines]
+ end
end
- def edit
+ 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 header_lines(header - NON_EDITABLE_HEADERS)
+ @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"
BufferManager.shell_out "#{editor} #{@file.path}"
@edited = true if File.mtime(@file.path) > mtime
- new_header, new_body = parse_file(@file.path)
- NON_EDITABLE_HEADERS.each { |h| new_header[h] = header[h] if header[h] }
- handle_new_text new_header, new_body
+ return @edited unless @edited
+
+ header, @body = parse_file @file.path
+ @header = header - NON_EDITABLE_HEADERS
+ handle_new_text @header, @body
update
+
+ @edited
+ end
+
+ def killable?
+ !edited? || BufferManager.ask_yes_or_no("Discard message?")
+ end
+
+ def attach_file
+ fn = BufferManager.ask_for_filename :attachment, "File name (enter for browser): "
+ 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 - @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 gen_message_id
- "<#{Time.now.to_i}-sup-#{rand 10000}@#{Socket.gethostname}>"
+ 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
+ buffer.mark_dirty if buffer
+ end
+
+ def regen_text
+ 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 += (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
+ body = f.readlines.map { |l| l.chomp }
header.delete_if { |k, v| NON_EDITABLE_HEADERS.member? k }
- header.each do |k, v|
- next unless MULTI_HEADERS.include?(k) && !v.empty?
- header[k] = v.split_on_commas.map do |name|
- (p = ContactManager.person_with(name)) && p.full_address || name
- end
- end
+ header.each { |k, v| header[k] = parse_header k, v }
[header, body]
end
end
- def header_lines header
- force_headers = FORCE_HEADERS.map { |h| make_lines "#{h}:", header[h] }
- other_headers = (header.keys - FORCE_HEADERS).map do |h|
- make_lines "#{h}:", header[h]
+ def parse_header k, v
+ if MULTI_HEADERS.include?(k)
+ v.split_on_commas.map do |name|
+ (p = ContactManager.contact_for(name)) && p.full_address || name
+ end
+ else
+ v
end
+ end
- (force_headers + other_headers).flatten.compact
+ def format_headers header
+ header_lines = []
+ headers = (FORCE_HEADERS + (header.keys - FORCE_HEADERS)).map do |h|
+ lines = make_lines "#{h}:", header[h]
+ lines.length.times { header_lines << h }
+ lines
+ end.flatten.compact
+ [headers, header_lines]
end
def make_lines header, things
end
def send_message
- return false unless @edited || BufferManager.ask_yes_or_no("Message unedited. Really send?")
+ 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 $config[:confirm_top_posting] && top_posting? && !BufferManager.ask_yes_or_no("You're top-posting. That makes you a bad person. Really send?") #" stupid ruby-mode
- raise "no message id!" unless header["Message-Id"]
- date = Time.now
from_email =
- if header["From"] =~ /<?(\S+@(\S+?))>?$/
+ if @header["From"] =~ /<?(\S+@(\S+?))>?$/
$1
else
AccountManager.default_account.email
end
acct = AccountManager.account_for(from_email) || AccountManager.default_account
- SentManager.write_sent_message(date, from_email) { |f| write_message f, true, date }
- BufferManager.flash "sending..."
-
- IO.popen(acct.sendmail, "w") { |p| write_message p, true, date }
+ BufferManager.flash "Sending..."
- BufferManager.kill_buffer buffer
- BufferManager.flash "Message sent!"
- true
+ begin
+ date = Time.now
+ m = build_message date
+ IO.popen(acct.sendmail, "w") { |p| p.puts m }
+ raise SendmailCommandFailed, "Couldn't execute #{acct.sendmail}" unless $? == 0
+ SentManager.write_sent_message(date, from_email) { |f| f.puts sanitize_body(m.to_s) }
+ BufferManager.kill_buffer buffer
+ BufferManager.flash "Message sent!"
+ true
+ rescue SystemCallError, SendmailCommandFailed, CryptoManager::Error => e
+ Redwood::log "Problem sending mail: #{e.message}"
+ BufferManager.flash "Problem sending mail: #{e.message}"
+ false
+ end
end
def save_as_draft
DraftManager.write_draft { |f| write_message f, false }
BufferManager.kill_buffer buffer
BufferManager.flash "Saved for later editing."
- true
end
- def sig_lines
- sigfn = (AccountManager.account_for(header["From"]) ||
- AccountManager.default_account).sig_file
+ def build_message date
+ m = RMail::Message.new
+ m.header["Content-Type"] = "text/plain; charset=#{$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/
- if sigfn && File.exists?(sigfn)
- ["", "-- "] + File.readlines(sigfn).map { |l| l.chomp }
- else
- []
+ ## 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 = PersonManager.person_for(@header["From"]).email
+ to_email = [@header["To"], @header["Cc"], @header["Bcc"]].flatten.compact.map { |p| PersonManager.person_for(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
+ when Array
+ v.join ", "
+ end
+ end
+ m.header["Date"] = date.rfc2822
+ m.header["Message-Id"] = @message_id
+ m.header["User-Agent"] = "Sup/#{Redwood::VERSION}"
+ m
end
- def write_message f, full_header=true, date=Time.now
- raise ArgumentError, "no pre-defined date: header allowed" if header["Date"]
- f.puts header_lines(header)
- f.puts "Date: #{date.rfc2822}"
- if full_header
+ ## 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
+ raise ArgumentError, "no pre-defined date: header allowed" if @header["Date"]
+ f.puts format_headers(@header).first
+ f.puts <<EOS
+Date: #{date.rfc2822}
+Message-Id: #{@message_id}
+EOS
+ if full
f.puts <<EOS
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
end
f.puts
- f.puts @body
+ 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.longname }.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("\n") =~ /(\S+)\s*Excerpts from.*\n(>.*\n)+\s*\Z/
+ end
+
+ def sig_lines
+ p = PersonManager.person_for(@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)
+ ["", "-- "] + File.readlines(sigfn).map { |l| l.chomp }
+ else
+ []
+ end
+ end
end
end