diff options
Diffstat (limited to 'actionmailer/lib')
| -rw-r--r-- | actionmailer/lib/action_mailer.rb | 1 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/base.rb | 16 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/inline_preview_interceptor.rb | 61 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/preview.rb | 2 | ||||
| -rw-r--r-- | actionmailer/lib/action_mailer/test_helper.rb | 2 |
5 files changed, 73 insertions, 9 deletions
diff --git a/actionmailer/lib/action_mailer.rb b/actionmailer/lib/action_mailer.rb index 17d8dcc208..291a8c1e34 100644 --- a/actionmailer/lib/action_mailer.rb +++ b/actionmailer/lib/action_mailer.rb @@ -40,6 +40,7 @@ module ActionMailer autoload :Base autoload :DeliveryMethods + autoload :InlinePreviewInterceptor autoload :MailHelper autoload :Preview autoload :Previews, 'action_mailer/preview' diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb index 6ddc4c9596..4a5229fe18 100644 --- a/actionmailer/lib/action_mailer/base.rb +++ b/actionmailer/lib/action_mailer/base.rb @@ -257,8 +257,8 @@ module ActionMailer # <tt>ActionMailer::Base</tt> sets the following: # # * <tt>mime_version: "1.0"</tt> - # * <tt>charset: "UTF-8",</tt> - # * <tt>content_type: "text/plain",</tt> + # * <tt>charset: "UTF-8"</tt> + # * <tt>content_type: "text/plain"</tt> # * <tt>parts_order: [ "text/plain", "text/enriched", "text/html" ]</tt> # # <tt>parts_order</tt> and <tt>charset</tt> are not actually valid <tt>Mail::Message</tt> header fields, @@ -286,7 +286,7 @@ module ActionMailer # end # # Note that the proc is evaluated right at the start of the mail message generation, so if you - # set something in the defaults using a proc, and then set the same thing inside of your + # set something in the default using a proc, and then set the same thing inside of your # mailer method, it will get over written by the mailer method. # # It is also possible to set these default options that will be used in all mailers through @@ -319,8 +319,9 @@ module ActionMailer # callbacks in the same manner that you would use callbacks in classes that # inherit from <tt>ActionController::Base</tt>. # - # Note that unless you have a specific reason to do so, you should prefer using before_action - # rather than after_action in your Action Mailer classes so that headers are parsed properly. + # Note that unless you have a specific reason to do so, you should prefer + # using <tt>before_action</tt> rather than <tt>after_action</tt> in your + # Action Mailer classes so that headers are parsed properly. # # = Previewing emails # @@ -379,8 +380,8 @@ module ActionMailer # * <tt>:password</tt> - If your mail server requires authentication, set the password in this setting. # * <tt>:authentication</tt> - If your mail server requires authentication, you need to specify the # authentication type here. - # This is a symbol and one of <tt>:plain</tt> (will send the password in the clear), <tt>:login</tt> (will - # send password Base64 encoded) or <tt>:cram_md5</tt> (combines a Challenge/Response mechanism to exchange + # This is a symbol and one of <tt>:plain</tt> (will send the password Base64 encoded), <tt>:login</tt> (will + # send the password Base64 encoded) or <tt>:cram_md5</tt> (combines a Challenge/Response mechanism to exchange # information and a cryptographic Message Digest 5 algorithm to hash important information) # * <tt>:enable_starttls_auto</tt> - Detects if STARTTLS is enabled in your SMTP server and starts # to use it. Defaults to <tt>true</tt>. @@ -596,6 +597,7 @@ module ActionMailer class NullMail #:nodoc: def body; '' end + def header; {} end def respond_to?(string, include_all=false) true diff --git a/actionmailer/lib/action_mailer/inline_preview_interceptor.rb b/actionmailer/lib/action_mailer/inline_preview_interceptor.rb new file mode 100644 index 0000000000..dea5e52f0c --- /dev/null +++ b/actionmailer/lib/action_mailer/inline_preview_interceptor.rb @@ -0,0 +1,61 @@ +require 'base64' + +module ActionMailer + # Implements a mailer preview interceptor that converts image tag src attributes + # that use inline cid: style urls to data: style urls so that they are visible + # when previewing a HTML email in a web browser. + # + # This interceptor is enabled by default, to remove it delete it from the + # <tt>ActionMailer::Base.preview_interceptors</tt> array: + # + # ActionMailer::Base.preview_interceptors.delete(ActionMailer::InlinePreviewInterceptor) + # + class InlinePreviewInterceptor + PATTERN = /src=(?:"cid:[^"]+"|'cid:[^']+')/i + + include Base64 + + def self.previewing_email(message) #:nodoc: + new(message).transform! + end + + def initialize(message) #:nodoc: + @message = message + end + + def transform! #:nodoc: + return message if html_part.blank? + + html_source.gsub!(PATTERN) do |match| + if part = find_part(match[9..-2]) + %[src="#{data_url(part)}"] + else + match + end + end + + message + end + + private + def message + @message + end + + def html_part + @html_part ||= message.html_part + end + + def html_source + html_part.body.raw_source + end + + def data_url(part) + "data:#{part.mime_type};base64,#{strict_encode64(part.body.raw_source)}" + end + + def find_part(cid) + message.all_parts.find{ |p| p.attachment? && p.cid == cid } + end + end +end diff --git a/actionmailer/lib/action_mailer/preview.rb b/actionmailer/lib/action_mailer/preview.rb index 44cf6665ba..25ad7ee721 100644 --- a/actionmailer/lib/action_mailer/preview.rb +++ b/actionmailer/lib/action_mailer/preview.rb @@ -21,7 +21,7 @@ module ActionMailer # :nodoc: mattr_accessor :preview_interceptors, instance_writer: false - self.preview_interceptors = [] + self.preview_interceptors = [ActionMailer::InlinePreviewInterceptor] end module ClassMethods diff --git a/actionmailer/lib/action_mailer/test_helper.rb b/actionmailer/lib/action_mailer/test_helper.rb index 524e6e3af1..4d03a616d2 100644 --- a/actionmailer/lib/action_mailer/test_helper.rb +++ b/actionmailer/lib/action_mailer/test_helper.rb @@ -34,7 +34,7 @@ module ActionMailer original_count = ActionMailer::Base.deliveries.size yield new_count = ActionMailer::Base.deliveries.size - assert_equal original_count + number, new_count, "#{number} emails expected, but #{new_count - original_count} were sent" + assert_equal number, new_count - original_count, "#{number} emails expected, but #{new_count - original_count} were sent" else assert_equal number, ActionMailer::Base.deliveries.size end |