diff options
Diffstat (limited to 'actionmailer/lib/action_mailer/base.rb')
| -rw-r--r-- | actionmailer/lib/action_mailer/base.rb | 332 |
1 files changed, 174 insertions, 158 deletions
diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb index 7022c04a9a..19408f2a48 100644 --- a/actionmailer/lib/action_mailer/base.rb +++ b/actionmailer/lib/action_mailer/base.rb @@ -1,10 +1,11 @@ -require 'mail' -require 'action_mailer/collector' -require 'active_support/core_ext/string/inflections' -require 'active_support/core_ext/hash/except' -require 'active_support/core_ext/module/anonymous' +require "mail" +require "action_mailer/collector" +require "active_support/core_ext/string/inflections" +require "active_support/core_ext/hash/except" +require "active_support/core_ext/module/anonymous" -require 'action_mailer/log_subscriber' +require "action_mailer/log_subscriber" +require "action_mailer/rescuable" module ActionMailer # Action Mailer allows you to send email from your application using a mailer model and views. @@ -86,7 +87,7 @@ module ActionMailer # Like Action Controller, each mailer class has a corresponding view directory in which each # method of the class looks for a template with its name. # - # To define a template to be used with a mailing, create an <tt>.erb</tt> file with the same + # To define a template to be used with a mailer, create an <tt>.erb</tt> file with the same # name as the method in your mailer model. For example, in the mailer defined above, the template at # <tt>app/views/notifier_mailer/welcome.text.erb</tt> would be used to generate the email. # @@ -132,6 +133,8 @@ module ActionMailer # # config.action_mailer.default_url_options = { host: "example.com" } # + # By default when <tt>config.force_ssl</tt> is true, URLs generated for hosts will use the HTTPS protocol. + # # = Sending mail # # Once a mailer action and template are defined, you can deliver your message or defer its creation and @@ -142,7 +145,7 @@ module ActionMailer # mail.deliver_now # generates and sends the email now # # The <tt>ActionMailer::MessageDelivery</tt> class is a wrapper around a delegate that will call - # your method to generate the mail. If you want direct access to delegator, or <tt>Mail::Message</tt>, + # your method to generate the mail. If you want direct access to the delegator, or <tt>Mail::Message</tt>, # you can call the <tt>message</tt> method on the <tt>ActionMailer::MessageDelivery</tt> object. # # NotifierMailer.welcome(User.first).message # => a Mail::Message object @@ -161,7 +164,7 @@ module ActionMailer # # Multipart messages can also be used implicitly because Action Mailer will automatically detect and use # multipart templates, where each template is named after the name of the action, followed by the content - # type. Each such detected template will be added as a separate part to the message. + # type. Each such detected template will be added to the message, as a separate part. # # For example, if the following templates exist: # * signup_notification.text.erb @@ -286,8 +289,8 @@ 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 default using a proc, and then set the same thing inside of your - # mailer method, it will get over written by the mailer method. + # set something in the default hash using a proc, and then set the same thing inside of your + # mailer method, it will get overwritten by the mailer method. # # It is also possible to set these default options that will be used in all mailers through # the <tt>default_options=</tt> configuration in <tt>config/application.rb</tt>: @@ -387,13 +390,13 @@ module ActionMailer # to use it. Defaults to <tt>true</tt>. # * <tt>:openssl_verify_mode</tt> - When using TLS, you can set how OpenSSL checks the certificate. This is # really useful if you need to validate a self-signed and/or a wildcard certificate. You can use the name - # of an OpenSSL verify constant (<tt>'none'</tt>, <tt>'peer'</tt>, <tt>'client_once'</tt>, - # <tt>'fail_if_no_peer_cert'</tt>) or directly the constant (<tt>OpenSSL::SSL::VERIFY_NONE</tt>, - # <tt>OpenSSL::SSL::VERIFY_PEER</tt>, ...). + # of an OpenSSL verify constant (<tt>'none'</tt> or <tt>'peer'</tt>) or directly the constant + # (<tt>OpenSSL::SSL::VERIFY_NONE</tt> or <tt>OpenSSL::SSL::VERIFY_PEER</tt>). + # <tt>:ssl/:tls</tt> Enables the SMTP connection to use SMTP/TLS (SMTPS: SMTP over direct TLS connection) # # * <tt>sendmail_settings</tt> - Allows you to override options for the <tt>:sendmail</tt> delivery method. # * <tt>:location</tt> - The location of the sendmail executable. Defaults to <tt>/usr/sbin/sendmail</tt>. - # * <tt>:arguments</tt> - The command line arguments. Defaults to <tt>-i -t</tt> with <tt>-f sender@address</tt> + # * <tt>:arguments</tt> - The command line arguments. Defaults to <tt>-i</tt> with <tt>-f sender@address</tt> # added automatically before the message is sent. # # * <tt>file_settings</tt> - Allows you to override options for the <tt>:file</tt> delivery method. @@ -414,9 +417,10 @@ module ActionMailer # * <tt>deliveries</tt> - Keeps an array of all the emails sent out through the Action Mailer with # <tt>delivery_method :test</tt>. Most useful for unit and functional testing. # - # * <tt>deliver_later_queue_name</tt> - The name of the queue used with <tt>deliver_later</tt> + # * <tt>deliver_later_queue_name</tt> - The name of the queue used with <tt>deliver_later</tt>. class Base < AbstractController::Base include DeliveryMethods + include Rescuable include Previews abstract! @@ -428,6 +432,7 @@ module ActionMailer include AbstractController::Translation include AbstractController::AssetPaths include AbstractController::Callbacks + include AbstractController::Caching include ActionView::Layouts @@ -439,8 +444,6 @@ module ActionMailer helper ActionMailer::MailHelper - private_class_method :new #:nodoc: - class_attribute :default_params self.default_params = { mime_version: "1.0", @@ -464,31 +467,27 @@ module ActionMailer # Either a class, string or symbol can be passed in as the Observer. # If a string or symbol is passed in it will be camelized and constantized. def register_observer(observer) - delivery_observer = case observer - when String, Symbol - observer.to_s.camelize.constantize - else - observer - end - - Mail.register_observer(delivery_observer) + Mail.register_observer(observer_class_for(observer)) end # Register an Interceptor which will be called before mail is sent. # Either a class, string or symbol can be passed in as the Interceptor. # If a string or symbol is passed in it will be camelized and constantized. def register_interceptor(interceptor) - delivery_interceptor = case interceptor - when String, Symbol - interceptor.to_s.camelize.constantize - else - interceptor - end + Mail.register_interceptor(observer_class_for(interceptor)) + end - Mail.register_interceptor(delivery_interceptor) + def observer_class_for(value) # :nodoc: + case value + when String, Symbol + value.to_s.camelize.constantize + else + value + end end + private :observer_class_for - # Returns the name of current mailer. This method is also being used as a path for a view lookup. + # Returns the name of the current mailer. This method is also being used as a path for a view lookup. # If this is an anonymous mailer, this method will return +anonymous+ instead. def mailer_name @mailer_name ||= anonymous? ? "anonymous" : name.underscore @@ -545,13 +544,9 @@ module ActionMailer end end - def respond_to?(method, include_private = false) #:nodoc: - super || action_methods.include?(method.to_s) - end + private - protected - - def set_payload_for_mail(payload, mail) #:nodoc: + def set_payload_for_mail(payload, mail) payload[:mailer] = name payload[:message_id] = mail.message_id payload[:subject] = mail.subject @@ -563,13 +558,17 @@ module ActionMailer payload[:mail] = mail.encoded end - def method_missing(method_name, *args) # :nodoc: + def method_missing(method_name, *args) if action_methods.include?(method_name.to_s) MessageDelivery.new(self, method_name, *args) else super end end + + def respond_to_missing?(method, include_all = false) + action_methods.include?(method.to_s) + end end attr_internal :message @@ -578,11 +577,10 @@ module ActionMailer # will be initialized according to the named method. If not, the mailer will # remain uninitialized (useful when you only need to invoke the "receive" # method, for instance). - def initialize(method_name=nil, *args) + def initialize super() @_mail_was_called = false @_message = Mail.new - process(method_name, *args) if method_name end def process(method_name, *args) #:nodoc: @@ -598,10 +596,10 @@ module ActionMailer end class NullMail #:nodoc: - def body; '' end + def body; "" end def header; {} end - def respond_to?(string, include_all=false) + def respond_to?(string, include_all = false) true end @@ -661,21 +659,21 @@ module ActionMailer # # mail.attachments['filename.jpg'] = File.read('/path/to/filename.jpg') # - # If you do this, then Mail will take the file name and work out the mime type - # set the Content-Type, Content-Disposition, Content-Transfer-Encoding and - # base64 encode the contents of the attachment all for you. + # If you do this, then Mail will take the file name and work out the mime type. + # It will also set the Content-Type, Content-Disposition, Content-Transfer-Encoding + # and encode the contents of the attachment in Base64. # # You can also specify overrides if you want by passing a hash instead of a string: # - # mail.attachments['filename.jpg'] = {mime_type: 'application/x-gzip', + # mail.attachments['filename.jpg'] = {mime_type: 'application/gzip', # content: File.read('/path/to/filename.jpg')} # - # If you want to use a different encoding than Base64, you can pass an encoding in, - # but then it is up to you to pass in the content pre-encoded, and don't expect - # Mail to know how to decode this data: + # If you want to use encoding other than Base64 then you will need to pass encoding + # type along with the pre-encoded content as Mail doesn't know how to decode the + # data: # # file_content = SpecialEncode(File.read('/path/to/filename.jpg')) - # mail.attachments['filename.jpg'] = {mime_type: 'application/x-gzip', + # mail.attachments['filename.jpg'] = {mime_type: 'application/gzip', # encoding: 'SpecialEncoding', # content: file_content } # @@ -797,151 +795,169 @@ module ActionMailer # end # def mail(headers = {}, &block) - return @_message if @_mail_was_called && headers.blank? && !block - - m = @_message + return message if @_mail_was_called && headers.blank? && !block # At the beginning, do not consider class default for content_type content_type = headers[:content_type] - # Call all the procs (if any) - default_values = {} - self.class.default.each do |k,v| - default_values[k] = v.is_a?(Proc) ? instance_eval(&v) : v - end - - # Handle defaults - headers = headers.reverse_merge(default_values) - headers[:subject] ||= default_i18n_subject + headers = apply_defaults(headers) # Apply charset at the beginning so all fields are properly quoted - m.charset = charset = headers[:charset] + message.charset = charset = headers[:charset] # Set configure delivery behavior - wrap_delivery_behavior!(headers.delete(:delivery_method), headers.delete(:delivery_method_options)) + wrap_delivery_behavior!(headers[:delivery_method], headers[:delivery_method_options]) - # Assign all headers except parts_order, content_type and body - assignable = headers.except(:parts_order, :content_type, :body, :template_name, :template_path) - assignable.each { |k, v| m[k] = v } + assign_headers_to_message(message, headers) # Render the templates and blocks responses = collect_responses(headers, &block) @_mail_was_called = true - create_parts_from_responses(m, responses) + create_parts_from_responses(message, responses) # Setup content type, reapply charset and handle parts order - m.content_type = set_content_type(m, content_type, headers[:content_type]) - m.charset = charset + message.content_type = set_content_type(message, content_type, headers[:content_type]) + message.charset = charset - if m.multipart? - m.body.set_sort_order(headers[:parts_order]) - m.body.sort_parts! + if message.multipart? + message.body.set_sort_order(headers[:parts_order]) + message.body.sort_parts! end - m + message end - protected - - # Used by #mail to set the content type of the message. - # - # It will use the given +user_content_type+, or multipart if the mail - # message has any attachments. If the attachments are inline, the content - # type will be "multipart/related", otherwise "multipart/mixed". - # - # If there is no content type passed in via headers, and there are no - # attachments, or the message is multipart, then the default content type is - # used. - def set_content_type(m, user_content_type, class_default) - params = m.content_type_parameters || {} - case - when user_content_type.present? - user_content_type - when m.has_attachments? - if m.attachments.detect(&:inline?) - ["multipart", "related", params] + private + + # Used by #mail to set the content type of the message. + # + # It will use the given +user_content_type+, or multipart if the mail + # message has any attachments. If the attachments are inline, the content + # type will be "multipart/related", otherwise "multipart/mixed". + # + # If there is no content type passed in via headers, and there are no + # attachments, or the message is multipart, then the default content type is + # used. + def set_content_type(m, user_content_type, class_default) # :doc: + params = m.content_type_parameters || {} + case + when user_content_type.present? + user_content_type + when m.has_attachments? + if m.attachments.detect(&:inline?) + ["multipart", "related", params] + else + ["multipart", "mixed", params] + end + when m.multipart? + ["multipart", "alternative", params] else - ["multipart", "mixed", params] + m.content_type || class_default end - when m.multipart? - ["multipart", "alternative", params] - else - m.content_type || class_default end - end - # Translates the +subject+ using Rails I18n class under <tt>[mailer_scope, action_name]</tt> scope. - # If it does not find a translation for the +subject+ under the specified scope it will default to a - # humanized version of the <tt>action_name</tt>. - # If the subject has interpolations, you can pass them through the +interpolations+ parameter. - def default_i18n_subject(interpolations = {}) - mailer_scope = self.class.mailer_name.tr('/', '.') - I18n.t(:subject, interpolations.merge(scope: [mailer_scope, action_name], default: action_name.humanize)) - end + # Translates the +subject+ using Rails I18n class under <tt>[mailer_scope, action_name]</tt> scope. + # If it does not find a translation for the +subject+ under the specified scope it will default to a + # humanized version of the <tt>action_name</tt>. + # If the subject has interpolations, you can pass them through the +interpolations+ parameter. + def default_i18n_subject(interpolations = {}) # :doc: + mailer_scope = self.class.mailer_name.tr("/", ".") + I18n.t(:subject, interpolations.merge(scope: [mailer_scope, action_name], default: action_name.humanize)) + end - def collect_responses(headers) #:nodoc: - responses = [] - - if block_given? - collector = ActionMailer::Collector.new(lookup_context) { render(action_name) } - yield(collector) - responses = collector.responses - elsif headers[:body] - responses << { - body: headers.delete(:body), - content_type: self.class.default[:content_type] || "text/plain" - } - else - templates_path = headers.delete(:template_path) || self.class.mailer_name - templates_name = headers.delete(:template_name) || action_name + # Emails do not support relative path links. + def self.supports_path? # :doc: + false + end - each_template(Array(templates_path), templates_name) do |template| - self.formats = template.formats + def apply_defaults(headers) + default_values = self.class.default.map do |key, value| + [ + key, + value.is_a?(Proc) ? instance_eval(&value) : value + ] + end.to_h + + headers_with_defaults = headers.reverse_merge(default_values) + headers_with_defaults[:subject] ||= default_i18n_subject + headers_with_defaults + end + + def assign_headers_to_message(message, headers) + assignable = headers.except(:parts_order, :content_type, :body, :template_name, + :template_path, :delivery_method, :delivery_method_options) + assignable.each { |k, v| message[k] = v } + end + + def collect_responses(headers) + if block_given? + collector = ActionMailer::Collector.new(lookup_context) { render(action_name) } + yield(collector) + collector.responses + elsif headers[:body] + [{ + body: headers.delete(:body), + content_type: self.class.default[:content_type] || "text/plain" + }] + else + collect_responses_from_templates(headers) + end + end + + def collect_responses_from_templates(headers) + templates_path = headers[:template_path] || self.class.mailer_name + templates_name = headers[:template_name] || action_name - responses << { + each_template(Array(templates_path), templates_name).map do |template| + self.formats = template.formats + { body: render(template: template), content_type: template.type.to_s } end end - responses - end + def each_template(paths, name, &block) + templates = lookup_context.find_all(name, paths) + if templates.empty? + raise ActionView::MissingTemplate.new(paths, name, paths, false, "mailer") + else + templates.uniq(&:formats).each(&block) + end + end - def each_template(paths, name, &block) #:nodoc: - templates = lookup_context.find_all(name, paths) - if templates.empty? - raise ActionView::MissingTemplate.new(paths, name, paths, false, 'mailer') - else - templates.uniq(&:formats).each(&block) + def create_parts_from_responses(m, responses) + if responses.size == 1 && !m.has_attachments? + responses[0].each { |k, v| m[k] = v } + elsif responses.size > 1 && m.has_attachments? + container = Mail::Part.new + container.content_type = "multipart/alternative" + responses.each { |r| insert_part(container, r, m.charset) } + m.add_part(container) + else + responses.each { |r| insert_part(m, r, m.charset) } + end end - end - def create_parts_from_responses(m, responses) #:nodoc: - if responses.size == 1 && !m.has_attachments? - responses[0].each { |k,v| m[k] = v } - elsif responses.size > 1 && m.has_attachments? - container = Mail::Part.new - container.content_type = "multipart/alternative" - responses.each { |r| insert_part(container, r, m.charset) } - m.add_part(container) - else - responses.each { |r| insert_part(m, r, m.charset) } + def insert_part(container, response, charset) + response[:charset] ||= charset + part = Mail::Part.new(response) + container.add_part(part) end - end - def insert_part(container, response, charset) #:nodoc: - response[:charset] ||= charset - part = Mail::Part.new(response) - container.add_part(part) - end + # This and #instrument_name is for caching instrument + def instrument_payload(key) + { + mailer: mailer_name, + key: key + } + end - # Emails do not support relative path links. - def self.supports_path? - false - end + def instrument_name + "action_mailer" + end - ActiveSupport.run_load_hooks(:action_mailer, self) + ActiveSupport.run_load_hooks(:action_mailer, self) end end |