=begin rdoc
= interface.rb Provides an interface to the TMail object
=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.
#++
# TMail::Mail objects get accessed primarily through the methods in this file.
#
#
require 'tmail/utils'
module TMail
class Mail
# Allows you to query the mail object with a string to get the contents
# of the field you want.
#
# Returns a string of the exact contnts of the field
#
# mail.from = "mikel <mikel@lindsaar.net>"
# mail.header_string("From") #=> "mikel <mikel@lindsaar.net>"
def header_string( name, default = nil )
h = @header[name.downcase] or return default
h.to_s
end
#:stopdoc:
#--
#== Attributes
include TextUtils
def set_string_array_attr( key, strs )
strs.flatten!
if strs.empty?
@header.delete key.downcase
else
store key, strs.join(', ')
end
strs
end
private :set_string_array_attr
def set_string_attr( key, str )
if str
store key, str
else
@header.delete key.downcase
end
str
end
private :set_string_attr
def set_addrfield( name, arg )
if arg
h = HeaderField.internal_new(name, @config)
h.addrs.replace [arg].flatten
@header[name] = h
else
@header.delete name
end
arg
end
private :set_addrfield
def addrs2specs( addrs )
return nil unless addrs
list = addrs.map {|addr|
if addr.address_group?
then addr.map {|a| a.spec }
else addr.spec
end
}.flatten
return nil if list.empty?
list
end
private :addrs2specs
#:startdoc:
#== Date and Time methods
# Returns the date of the email message as per the "date" header value or returns
# nil by default (if no date field exists).
#
# You can also pass whatever default you want into this method and it will return
# that instead of nil if there is no date already set.
def date( default = nil )
if h = @header['date']
h.date
else
default
end
end
# Destructively sets the date of the mail object with the passed Time instance,
# returns a Time instance set to the date/time of the mail
#
# Example:
#
# now = Time.now
# mail.date = now
# mail.date #=> Sat Nov 03 18:47:50 +1100 2007
# mail.date.class #=> Time
def date=( time )
if time
store 'Date', time2str(time)
else
@header.delete 'date'
end
time
end
# Returns the time of the mail message formatted to your taste using a
# strftime format string. If no date set returns nil by default or whatever value
# you pass as the second optional parameter.
#
# time = Time.now # (on Nov 16 2007)
# mail.date = time
# mail.strftime("%D") #=> "11/16/07"
def strftime( fmt, default = nil )
if t = date
t.strftime(fmt)
else
default
end
end
#== Destination methods
# Return a TMail::Addresses instance for each entry in the "To:" field of the mail object header.
#
# If the "To:" field does not exist, will return nil by default or the value you
# pass as the optional parameter.
#
# Example:
#
# mail = TMail::Mail.new
# mail.to_addrs #=> nil
# mail.to_addrs([]) #=> []
# mail.to = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.to_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def to_addrs( default = nil )
if h = @header['to']
h.addrs
else
default
end
end
# Return a TMail::Addresses instance for each entry in the "Cc:" field of the mail object header.
#
# If the "Cc:" field does not exist, will return nil by default or the value you
# pass as the optional parameter.
#
# Example:
#
# mail = TMail::Mail.new
# mail.cc_addrs #=> nil
# mail.cc_addrs([]) #=> []
# mail.cc = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.cc_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def cc_addrs( default = nil )
if h = @header['cc']
h.addrs
else
default
end
end
# Return a TMail::Addresses instance for each entry in the "Bcc:" field of the mail object header.
#
# If the "Bcc:" field does not exist, will return nil by default or the value you
# pass as the optional parameter.
#
# Example:
#
# mail = TMail::Mail.new
# mail.bcc_addrs #=> nil
# mail.bcc_addrs([]) #=> []
# mail.bcc = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.bcc_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def bcc_addrs( default = nil )
if h = @header['bcc']
h.addrs
else
default
end
end
# Destructively set the to field of the "To:" header to equal the passed in string.
#
# TMail will parse your contents and turn each valid email address into a TMail::Address
# object before assigning it to the mail message.
#
# Example:
#
# mail = TMail::Mail.new
# mail.to = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.to_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def to_addrs=( arg )
set_addrfield 'to', arg
end
# Destructively set the to field of the "Cc:" header to equal the passed in string.
#
# TMail will parse your contents and turn each valid email address into a TMail::Address
# object before assigning it to the mail message.
#
# Example:
#
# mail = TMail::Mail.new
# mail.cc = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.cc_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def cc_addrs=( arg )
set_addrfield 'cc', arg
end
# Destructively set the to field of the "Bcc:" header to equal the passed in string.
#
# TMail will parse your contents and turn each valid email address into a TMail::Address
# object before assigning it to the mail message.
#
# Example:
#
# mail = TMail::Mail.new
# mail.bcc = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.bcc_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def bcc_addrs=( arg )
set_addrfield 'bcc', arg
end
# Returns who the email is to as an Array of email addresses as opposed to an Array of
# TMail::Address objects which is what Mail#to_addrs returns
#
# Example:
#
# mail = TMail::Mail.new
# mail.to = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.to #=> ["mikel@me.org", "mikel@you.org"]
def to( default = nil )
addrs2specs(to_addrs(nil)) || default
end
# Returns who the email cc'd as an Array of email addresses as opposed to an Array of
# TMail::Address objects which is what Mail#to_addrs returns
#
# Example:
#
# mail = TMail::Mail.new
# mail.cc = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.cc #=> ["mikel@me.org", "mikel@you.org"]
def cc( default = nil )
addrs2specs(cc_addrs(nil)) || default
end
# Returns who the email bcc'd as an Array of email addresses as opposed to an Array of
# TMail::Address objects which is what Mail#to_addrs returns
#
# Example:
#
# mail = TMail::Mail.new
# mail.bcc = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.bcc #=> ["mikel@me.org", "mikel@you.org"]
def bcc( default = nil )
addrs2specs(bcc_addrs(nil)) || default
end
# Destructively sets the "To:" field to the passed array of strings (which should be valid
# email addresses)
#
# Example:
#
# mail = TMail::Mail.new
# mail.to = ["mikel@abc.com", "Mikel <mikel@xyz.com>"]
# mail.to #=> ["mikel@abc.org", "mikel@xyz.org"]
# mail['to'].to_s #=> "mikel@abc.com, Mikel <mikel@xyz.com>"
def to=( *strs )
set_string_array_attr 'To', strs
end
# Destructively sets the "Cc:" field to the passed array of strings (which should be valid
# email addresses)
#
# Example:
#
# mail = TMail::Mail.new
# mail.cc = ["mikel@abc.com", "Mikel <mikel@xyz.com>"]
# mail.cc #=> ["mikel@abc.org", "mikel@xyz.org"]
# mail['cc'].to_s #=> "mikel@abc.com, Mikel <mikel@xyz.com>"
def cc=( *strs )
set_string_array_attr 'Cc', strs
end
# Destructively sets the "Bcc:" field to the passed array of strings (which should be valid
# email addresses)
#
# Example:
#
# mail = TMail::Mail.new
# mail.bcc = ["mikel@abc.com", "Mikel <mikel@xyz.com>"]
# mail.bcc #=> ["mikel@abc.org", "mikel@xyz.org"]
# mail['bcc'].to_s #=> "mikel@abc.com, Mikel <mikel@xyz.com>"
def bcc=( *strs )
set_string_array_attr 'Bcc', strs
end
#== Originator methods
# Return a TMail::Addresses instance for each entry in the "From:" field of the mail object header.
#
# If the "From:" field does not exist, will return nil by default or the value you
# pass as the optional parameter.
#
# Example:
#
# mail = TMail::Mail.new
# mail.from_addrs #=> nil
# mail.from_addrs([]) #=> []
# mail.from = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.from_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def from_addrs( default = nil )
if h = @header['from']
h.addrs
else
default
end
end
# Destructively set the to value of the "From:" header to equal the passed in string.
#
# TMail will parse your contents and turn each valid email address into a TMail::Address
# object before assigning it to the mail message.
#
# Example:
#
# mail = TMail::Mail.new
# mail.from_addrs = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.from_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def from_addrs=( arg )
set_addrfield 'from', arg
end
# Returns who the email is from as an Array of email address strings instead to an Array of
# TMail::Address objects which is what Mail#from_addrs returns
#
# Example:
#
# mail = TMail::Mail.new
# mail.from = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.from #=> ["mikel@me.org", "mikel@you.org"]
def from( default = nil )
addrs2specs(from_addrs(nil)) || default
end
# Destructively sets the "From:" field to the passed array of strings (which should be valid
# email addresses)
#
# Example:
#
# mail = TMail::Mail.new
# mail.from = ["mikel@abc.com", "Mikel <mikel@xyz.com>"]
# mail.from #=> ["mikel@abc.org", "mikel@xyz.org"]
# mail['from'].to_s #=> "mikel@abc.com, Mikel <mikel@xyz.com>"
def from=( *strs )
set_string_array_attr 'From', strs
end
# Returns the "friendly" human readable part of the address
#
# Example:
#
# mail = TMail::Mail.new
# mail.from = "Mikel Lindsaar <mikel@abc.com>"
# mail.friendly_from #=> "Mikel Lindsaar"
def friendly_from( default = nil )
h = @header['from']
a, = h.addrs
return default unless a
return a.phrase if a.phrase
return h.comments.join(' ') unless h.comments.empty?
a.spec
end
# Return a TMail::Addresses instance for each entry in the "Reply-To:" field of the mail object header.
#
# If the "Reply-To:" field does not exist, will return nil by default or the value you
# pass as the optional parameter.
#
# Example:
#
# mail = TMail::Mail.new
# mail.reply_to_addrs #=> nil
# mail.reply_to_addrs([]) #=> []
# mail.reply_to = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.reply_to_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def reply_to_addrs( default = nil )
if h = @header['reply-to']
h.addrs.blank? ? default : h.addrs
else
default
end
end
# Destructively set the to value of the "Reply-To:" header to equal the passed in argument.
#
# TMail will parse your contents and turn each valid email address into a TMail::Address
# object before assigning it to the mail message.
#
# Example:
#
# mail = TMail::Mail.new
# mail.reply_to_addrs = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.reply_to_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def reply_to_addrs=( arg )
set_addrfield 'reply-to', arg
end
# Returns who the email is from as an Array of email address strings instead to an Array of
# TMail::Address objects which is what Mail#reply_to_addrs returns
#
# Example:
#
# mail = TMail::Mail.new
# mail.reply_to = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.reply_to #=> ["mikel@me.org", "mikel@you.org"]
def reply_to( default = nil )
addrs2specs(reply_to_addrs(nil)) || default
end
# Destructively sets the "Reply-To:" field to the passed array of strings (which should be valid
# email addresses)
#
# Example:
#
# mail = TMail::Mail.new
# mail.reply_to = ["mikel@abc.com", "Mikel <mikel@xyz.com>"]
# mail.reply_to #=> ["mikel@abc.org", "mikel@xyz.org"]
# mail['reply_to'].to_s #=> "mikel@abc.com, Mikel <mikel@xyz.com>"
def reply_to=( *strs )
set_string_array_attr 'Reply-To', strs
end
# Return a TMail::Addresses instance of the "Sender:" field of the mail object header.
#
# If the "Sender:" field does not exist, will return nil by default or the value you
# pass as the optional parameter.
#
# Example:
#
# mail = TMail::Mail.new
# mail.sender #=> nil
# mail.sender([]) #=> []
# mail.sender = "Mikel <mikel@me.org>"
# mail.reply_to_addrs #=> [#<TMail::Address mikel@me.org>]
def sender_addr( default = nil )
f = @header['sender'] or return default
f.addr or return default
end
# Destructively set the to value of the "Sender:" header to equal the passed in argument.
#
# TMail will parse your contents and turn each valid email address into a TMail::Address
# object before assigning it to the mail message.
#
# Example:
#
# mail = TMail::Mail.new
# mail.sender_addrs = "Mikel <mikel@me.org>, another Mikel <mikel@you.org>"
# mail.sender_addrs #=> [#<TMail::Address mikel@me.org>, #<TMail::Address mikel@you.org>]
def sender_addr=( addr )
if addr
h = HeaderField.internal_new('sender', @config)
h.addr = addr
@header['sender'] = h
else
@header.delete 'sender'
end
addr
end
# Returns who the sender of this mail is as string instead to an Array of
# TMail::Address objects which is what Mail#sender_addr returns
#
# Example:
#
# mail = TMail::Mail.new
# mail.sender = "Mikel <mikel@me.org>"
# mail.sender #=> "mikel@me.org"
def sender( default = nil )
f = @header['sender'] or return default
a = f.addr or return default
a.spec
end
# Destructively sets the "Sender:" field to the passed string (which should be a valid
# email address)
#
# Example:
#
# mail = TMail::Mail.new
# mail.sender = "mikel@abc.com"
# mail.sender #=> "mikel@abc.org"
# mail['sender'].to_s #=> "mikel@abc.com"
def sender=( str )
set_string_attr 'Sender', str
end
#== Subject methods
# Returns the subject of the mail instance.
#
# If the subject field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.subject #=> nil
# mail.subject("") #=> ""
# mail.subject = "Hello"
# mail.subject #=> "Hello"
def subject( default = nil )
if h = @header['subject']
h.body
else
default
end
end
alias quoted_subject subject
# Destructively sets the passed string as the subject of the mail message.
#
# Example
#
# mail = TMail::Mail.new
# mail.subject #=> "This subject"
# mail.subject = "Another subject"
# mail.subject #=> "Another subject"
def subject=( str )
set_string_attr 'Subject', str
end
#== Message Identity & Threading Methods
# Returns the message ID for this mail object instance.
#
# If the message_id field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.message_id #=> nil
# mail.message_id(TMail.new_message_id) #=> "<47404c5326d9c_2ad4fbb80161@baci.local.tmail>"
# mail.message_id = TMail.new_message_id
# mail.message_id #=> "<47404c5326d9c_2ad4fbb80161@baci.local.tmail>"
def message_id( default = nil )
if h = @header['message-id']
h.id || default
else
default
end
end
# Destructively sets the message ID of the mail object instance to the passed in string
#
# Example:
#
# mail = TMail::Mail.new
# mail.message_id = "this_is_my_badly_formatted_message_id"
# mail.message_id #=> "this_is_my_badly_formatted_message_id"
def message_id=( str )
set_string_attr 'Message-Id', str
end
# Returns the "In-Reply-To:" field contents as an array of this mail instance if it exists
#
# If the in_reply_to field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.in_reply_to #=> nil
# mail.in_reply_to([]) #=> []
# TMail::Mail.load("../test/fixtures/raw_email_reply")
# mail.in_reply_to #=> ["<348F04F142D69C21-291E56D292BC@xxxx.net>"]
def in_reply_to( default = nil )
if h = @header['in-reply-to']
h.ids
else
default
end
end
# Destructively sets the value of the "In-Reply-To:" field of an email.
#
# Accepts an array of a single string of a message id
#
# Example:
#
# mail = TMail::Mail.new
# mail.in_reply_to = ["<348F04F142D69C21-291E56D292BC@xxxx.net>"]
# mail.in_reply_to #=> ["<348F04F142D69C21-291E56D292BC@xxxx.net>"]
def in_reply_to=( *idstrs )
set_string_array_attr 'In-Reply-To', idstrs
end
# Returns the references of this email (prior messages relating to this message)
# as an array of message ID strings. Useful when you are trying to thread an
# email.
#
# If the references field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.references #=> nil
# mail.references([]) #=> []
# mail = TMail::Mail.load("../test/fixtures/raw_email_reply")
# mail.references #=> ["<473FF3B8.9020707@xxx.org>", "<348F04F142D69C21-291E56D292BC@xxxx.net>"]
def references( default = nil )
if h = @header['references']
h.refs
else
default
end
end
# Destructively sets the value of the "References:" field of an email.
#
# Accepts an array of strings of message IDs
#
# Example:
#
# mail = TMail::Mail.new
# mail.references = ["<348F04F142D69C21-291E56D292BC@xxxx.net>"]
# mail.references #=> ["<348F04F142D69C21-291E56D292BC@xxxx.net>"]
def references=( *strs )
set_string_array_attr 'References', strs
end
#== MIME header methods
# Returns the listed MIME version of this email from the "Mime-Version:" header field
#
# If the mime_version field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.mime_version #=> nil
# mail.mime_version([]) #=> []
# mail = TMail::Mail.load("../test/fixtures/raw_email")
# mail.mime_version #=> "1.0"
def mime_version( default = nil )
if h = @header['mime-version']
h.version || default
else
default
end
end
def mime_version=( m, opt = nil )
if opt
if h = @header['mime-version']
h.major = m
h.minor = opt
else
store 'Mime-Version', "#{m}.#{opt}"
end
else
store 'Mime-Version', m
end
m
end
# Returns the current "Content-Type" of the mail instance.
#
# If the content_type field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.content_type #=> nil
# mail.content_type([]) #=> []
# mail = TMail::Mail.load("../test/fixtures/raw_email")
# mail.content_type #=> "text/plain"
def content_type( default = nil )
if h = @header['content-type']
h.content_type || default
else
default
end
end
# Returns the current main type of the "Content-Type" of the mail instance.
#
# If the content_type field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.main_type #=> nil
# mail.main_type([]) #=> []
# mail = TMail::Mail.load("../test/fixtures/raw_email")
# mail.main_type #=> "text"
def main_type( default = nil )
if h = @header['content-type']
h.main_type || default
else
default
end
end
# Returns the current sub type of the "Content-Type" of the mail instance.
#
# If the content_type field does not exist, returns nil by default or you can pass in as
# the parameter for what you want the default value to be.
#
# Example:
#
# mail = TMail::Mail.new
# mail.sub_type #=> nil
# mail.sub_type([]) #=> []
# mail = TMail::Mail.load("../test/fixtures/raw_email")
# mail.sub_type #=> "plain"
def sub_type( default = nil )
if h = @header['content-type']
h.sub_type || default
else
default
end
end
# Destructively sets the "Content-Type:" header field of this mail object
#
# Allows you to set the main type, sub type as well as parameters to the field.
# The main type and sub type need to be a string.
#
# The optional params hash can be passed with keys as symbols and values as a string,
# or strings as keys and values.
#
# Example:
#
# mail = TMail::Mail.new
# mail.set_content_type("text", "plain")
# mail.to_s #=> "Content-Type: text/plain\n\n"
#
# mail.set_content_type("text", "plain", {:charset => "EUC-KR", :format => "flowed"})
# mail.to_s #=> "Content-Type: text/plain; charset=EUC-KR; format=flowed\n\n"
#
# mail.set_content_type("text", "plain", {"charset" => "EUC-KR", "format" => "flowed"})
# mail.to_s #=> "Content-Type: text/plain; charset=EUC-KR; format=flowed\n\n"
def set_content_type( str, sub = nil, param = nil )
if sub
main, sub = str, sub
else
main, sub = str.split(%r</>, 2)
raise ArgumentError, "sub type missing: #{str.inspect}" unless sub
end
if h = @header['content-type']
h.main_type = main
h.sub_type = sub
h.params.clear
else
store 'Content-Type', "#{main}/#{sub}"
end
@header['content-type'].params.replace param if param
str
end
alias content_type= set_content_type
# Returns the named type parameter as a string, from the "Content-Type:" header.
#
# Example:
#
# mail = TMail::Mail.new
# mail.type_param("charset") #=> nil
# mail.type_param("charset", []) #=> []
# mail.set_content_type("text", "plain", {:charset => "EUC-KR", :format => "flowed"})
# mail.type_param("charset") #=> "EUC-KR"
# mail.type_param("format") #=> "flowed"
def type_param( name, default = nil )
if h = @header['content-type']
h[name] || default
else
default
end
end
# Returns the character set of the email. Returns nil if no encoding set or returns
# whatever default you pass as a parameter - note passing the parameter does NOT change
# the mail object in any way.
#
# Example:
#
# mail = TMail::Mail.load("path_to/utf8_email")
# mail.charset #=> "UTF-8"
#
# mail = TMail::Mail.new
# mail.charset #=> nil
# mail.charset("US-ASCII") #=> "US-ASCII"
def charset( default = nil )
if h = @header['content-type']
h['charset'] or default
else
default
end
end
# Destructively sets the character set used by this mail object to the passed string, you
# should note though that this does nothing to the mail body, just changes the header
# value, you will need to transliterate the body as well to match whatever you put
# in this header value if you are changing character sets.
#
# Example:
#
# mail = TMail::Mail.new
# mail.charset #=> nil
# mail.charset = "UTF-8"
# mail.charset #=> "UTF-8"
def charset=( str )
if str
if h = @header[ 'content-type' ]
h['charset'] = str
else
store 'Content-Type', "text/plain; charset=#{str}"
end
end
str
end
# Returns the transfer encoding of the email. Returns nil if no encoding set or returns
# whatever default you pass as a parameter - note passing the parameter does NOT change
# the mail object in any way.
#
# Example:
#
# mail = TMail::Mail.load("path_to/base64_encoded_email")
# mail.transfer_encoding #=> "base64"
#
# mail = TMail::Mail.new
# mail.transfer_encoding #=> nil
# mail.transfer_encoding("base64") #=> "base64"
def transfer_encoding( default = nil )
if h = @header['content-transfer-encoding']
h.encoding || default
else
default
end
end
# Destructively sets the transfer encoding of the mail object to the passed string, you
# should note though that this does nothing to the mail body, just changes the header
# value, you will need to encode or decode the body as well to match whatever you put
# in this header value.
#
# Example:
#
# mail = TMail::Mail.new
# mail.transfer_encoding #=> nil
# mail.transfer_encoding = "base64"
# mail.transfer_encoding #=> "base64"
def transfer_encoding=( str )
set_string_attr 'Content-Transfer-Encoding', str
end
alias encoding transfer_encoding
alias encoding= transfer_encoding=
alias content_transfer_encoding transfer_encoding
alias content_transfer_encoding= transfer_encoding=
# Returns the content-disposition of the mail object, returns nil or the passed
# default value if given
#
# Example:
#
# mail = TMail::Mail.load("path_to/raw_mail_with_attachment")
# mail.disposition #=> "attachment"
#
# mail = TMail::Mail.load("path_to/plain_simple_email")
# mail.disposition #=> nil
# mail.disposition(false) #=> false
def disposition( default = nil )
if h = @header['content-disposition']
h.disposition || default
else
default
end
end
alias content_disposition disposition
# Allows you to set the content-disposition of the mail object. Accepts a type
# and a hash of parameters.
#
# Example:
#
# mail.set_disposition("attachment", {:filename => "test.rb"})
# mail.disposition #=> "attachment"
# mail['content-disposition'].to_s #=> "attachment; filename=test.rb"
def set_disposition( str, params = nil )
if h = @header['content-disposition']
h.disposition = str
h.params.clear
else
store('Content-Disposition', str)
h = @header['content-disposition']
end
h.params.replace params if params
end
alias disposition= set_disposition
alias set_content_disposition set_disposition
alias content_disposition= set_disposition
# Returns the value of a parameter in an existing content-disposition header
#
# Example:
#
# mail.set_disposition("attachment", {:filename => "test.rb"})
# mail['content-disposition'].to_s #=> "attachment; filename=test.rb"
# mail.disposition_param("filename") #=> "test.rb"
# mail.disposition_param("missing_param_key") #=> nil
# mail.disposition_param("missing_param_key", false) #=> false
# mail.disposition_param("missing_param_key", "Nothing to see here") #=> "Nothing to see here"
def disposition_param( name, default = nil )
if h = @header['content-disposition']
h[name] || default
else
default
end
end
# Convert the Mail object's body into a Base64 encoded email
# returning the modified Mail object
def base64_encode!
store 'Content-Transfer-Encoding', 'Base64'
self.body = base64_encode
end
# Return the result of encoding the TMail::Mail object body
# without altering the current body
def base64_encode
Base64.folding_encode(self.body)
end
# Convert the Mail object's body into a Base64 decoded email
# returning the modified Mail object
def base64_decode!
if /base64/i === self.transfer_encoding('')
store 'Content-Transfer-Encoding', '8bit'
self.body = base64_decode
end
end
# Returns the result of decoding the TMail::Mail object body
# without altering the current body
def base64_decode
Base64.decode(self.body, @config.strict_base64decode?)
end
# Returns an array of each destination in the email message including to: cc: or bcc:
#
# Example:
#
# mail.to = "Mikel <mikel@lindsaar.net>"
# mail.cc = "Trans <t@t.com>"
# mail.bcc = "bob <bob@me.com>"
# mail.destinations #=> ["mikel@lindsaar.net", "t@t.com", "bob@me.com"]
def destinations( default = nil )
ret = []
%w( to cc bcc ).each do |nm|
if h = @header[nm]
h.addrs.each {|i| ret.push i.address }
end
end
ret.empty? ? default : ret
end
# Yields a block of destination, yielding each as a string.
# (from the destinations example)
# mail.each_destination { |d| puts "#{d.class}: #{d}" }
# String: mikel@lindsaar.net
# String: t@t.com
# String: bob@me.com
def each_destination( &block )
destinations([]).each do |i|
if Address === i
yield i
else
i.each(&block)
end
end
end
alias each_dest each_destination
# Returns an array of reply to addresses that the Mail object has,
# or if the Mail message has no reply-to, returns an array of the
# Mail objects from addresses. Else returns the default which can
# either be passed as a parameter or defaults to nil
#
# Example:
# mail.from = "Mikel <mikel@lindsaar.net>"
# mail.reply_to = nil
# mail.reply_addresses #=> [""]
#
def reply_addresses( default = nil )
reply_to_addrs(nil) or from_addrs(nil) or default
end
# Returns the "sender" field as an array -> useful to find out who to
# send an error email to.
def error_reply_addresses( default = nil )
if s = sender(nil)
[s]
else
from_addrs(default)
end
end
# Returns true if the Mail object is a multipart message
def multipart?
main_type('').downcase == 'multipart'
end
# Creates a new email in reply to self. Sets the In-Reply-To and
# References headers for you automagically.
#
# Example:
# mail = TMail::Mail.load("my_email")
# reply_email = mail.create_reply
# reply_email.class #=> TMail::Mail
# reply_email.references #=> ["<d3b8cf8e49f04480850c28713a1f473e@lindsaar.net>"]
# reply_email.in_reply_to #=> ["<d3b8cf8e49f04480850c28713a1f473e@lindsaar.net>"]
def create_reply
setup_reply create_empty_mail()
end
# Creates a new email in reply to self. Sets the In-Reply-To and
# References headers for you automagically.
#
# Example:
# mail = TMail::Mail.load("my_email")
# forward_email = mail.create_forward
# forward_email.class #=> TMail::Mail
# forward_email.content_type #=> "multipart/mixed"
# forward_email.body #=> "Attachment: (unnamed)"
# forward_email.encoded #=> Returns the original email as a MIME attachment
def create_forward
setup_forward create_empty_mail()
end
#:stopdoc:
private
def create_empty_mail
self.class.new(StringPort.new(''), @config)
end
def setup_reply( mail )
if tmp = reply_addresses(nil)
mail.to_addrs = tmp
end
mid = message_id(nil)
tmp = references(nil) || []
tmp.push mid if mid
mail.in_reply_to = [mid] if mid
mail.references = tmp unless tmp.empty?
mail.subject = 'Re: ' + subject('').sub(/\A(?:\[[^\]]+\])?(?:\s*Re:)*\s*/i, '')
mail.mime_version = '1.0'
mail
end
def setup_forward( mail )
m = Mail.new(StringPort.new(''))
m.body = decoded
m.set_content_type 'message', 'rfc822'
m.encoding = encoding('7bit')
mail.parts.push m
# call encoded to reparse the message
mail.encoded
mail
end
#:startdoc:
end # class Mail
end # module TMail
