initial commit

.gitignore

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+.bundle/
+log/*.log
+pkg/
+Gemfile.lock

Gemfile

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+source "http://rubygems.org"
+
+# Declare your gem's dependencies in push-c2dm.gemspec.
+# Bundler will treat runtime dependencies like base dependencies, and
+# development dependencies will be added by default to the :development group.
+gemspec
+
+# Declare any dependencies that are still in development here instead of in
+# your gemspec. These might include edge Rails or gems from your path or
+# Git. Remember to move these dependencies to your gemspec before releasing
+# your gem to rubygems.org.
+
+# To use debugger
+# gem 'ruby-debug19', :require => 'ruby-debug'
+
+gem 'push-core', :path => "~/code/push/push-core"

MIT-LICENSE

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+Copyright 2012 YOURNAME
+
+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.

README.md

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+# PushC2dm
+
+This project rocks and uses MIT-LICENSE.

lib/push-c2dm.rb

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+require 'net/http'
+require 'net/https'
+require 'push-c2dm/version'
+require 'push/message_c2dm'
+require 'push/feedback_c2dm'
+require 'push/daemon/c2dm'
+require 'push/daemon/c2dm_support/connection_c2dm'

lib/push-c2dm/version.rb

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+module PushC2dm
+  VERSION = "0.0.1.pre"
+end

lib/push/daemon/c2dm.rb

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+module Push
+  module Daemon
+    class C2dm
+      attr_accessor :configuration
+      def initialize(options)
+        self.configuration = options
+      end
+
+      def pushconnections
+        self.configuration[:connections]
+      end
+
+      def totalconnections
+        pushconnections
+      end
+
+      def connectiontype
+        C2dmSupport::ConnectionC2dm
+      end
+
+      def stop; end
+    end
+  end
+end

lib/push/daemon/c2dm_support/connection_c2dm.rb

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+module Push
+  module Daemon
+    module C2dmSupport
+      class ConnectionC2dm
+        attr_reader :response, :name
+        AUTH_URL = "https://www.google.com/accounts/ClientLogin"
+        PUSH_URL = "https://android.apis.google.com/c2dm/send"
+
+        def initialize(provider, i)
+          @provider = provider
+          @name = "ConnectionC2dm #{i}"
+
+          @email = @provider.configuration[:email]
+          @password = @provider.configuration[:password]
+        end
+
+        def connect
+          @auth_token = fetch_auth_token
+          @last_use = Time.now
+          uri = URI.parse(PUSH_URL)
+          @connection = open_http(uri.host, uri.port)
+          @connection.start
+          Push::Daemon.logger.info("[#{@name}] Connected to #{PUSH_URL}")
+        end
+
+        def write(data)
+          @response = notification_request(data)
+
+          # the response can be one of three codes:
+          #   200 (success)
+          #   401 (auth failed)
+          #   503 (retry later with exponential backoff)
+          #   see more documentation here:  http://code.google.com/android/c2dm/#testing
+          if @response.code.eql? "200"
+            # look for the header 'Update-Client-Auth' in the response you get after sending
+            # a message. It indicates that this is the token to be used for the next message to send.
+            @response.header.each_header do |key, value|
+              if key.capitalize == "Update-Client-Auth".capitalize
+                Push::Daemon.logger.info("[#{@name}] Received new authentication token")
+                @auth_token = value
+              end
+            end
+
+          elsif @response.code.eql? "401"
+            # auth failed.  Refresh auth key and requeue
+            @auth_token = fetch_auth_token
+            @response = notification_request(data)
+
+          elsif response.code.eql? "503"
+            # service un-available.
+          end
+        end
+
+        private
+
+        def open_http(host, port)
+          http = Net::HTTP.new(host, port)
+          http.use_ssl = true
+          http.verify_mode = OpenSSL::SSL::VERIFY_NONE
+          return http
+        end
+
+        def fetch_auth_token
+          data = "accountType=HOSTED_OR_GOOGLE&Email=#{@email}&Passwd=#{@password}&service=ac2dm&source=push"
+          headers = { 'Content-Type' => 'application/x-www-form-urlencoded' }
+          uri = URI.parse(AUTH_URL)
+          http = open_http(uri.host, uri.port)
+          response = http.post(uri.path, data, headers)
+          return response.body[/Auth=(.*)/, 1]
+        end
+
+        def notification_request(data)
+          headers = { "Authorization" => "GoogleLogin auth=#{@auth_token}",
+                     "Content-type" => "application/x-www-form-urlencoded",
+                     "Content-length" => "#{data.length}" }
+          uri = URI.parse(PUSH_URL)
+
+          # Timeout on the http connection is 5 minutes, reconnect after 5 minutes
+          if @last_use + 5.minutes < Time.now
+            @connection.finish
+            @connection.start
+          end
+          @last_use = Time.now
+
+          @connection.post(uri.path, data, headers)
+        end
+      end
+    end
+  end
+end

lib/push/feedback_c2dm.rb

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+module Push
+  class FeedbackC2dm < Push::Feedback
+
+  end
+end

lib/push/message_c2dm.rb

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+module Push
+  class MessageC2dm < Push::Message
+    validates :collapse_key, :presence => true
+    # TODO: validates max size -> The message size limit is 1024 bytes.
+    # TODO" QuotaExceeded — Too many messages sent by the sender. Retry after a while.
+    # TODO: DeviceQuotaExceeded — Too many messages sent by the sender to a specific device. Retry after a while.
+
+    store :properties, accessors: [:collapse_key, :delay_when_idle, :payload ]
+
+    def to_message
+      as_hash.map{|k, v| "&#{k}=#{URI.escape(v.to_s)}"}.reduce{|k, v| k + v}
+    end
+
+    def use_connection
+      Push::Daemon::C2dmSupport::ConnectionC2dm
+    end
+
+    private
+
+    def as_hash
+      json = ActiveSupport::OrderedHash.new
+      json['registration_id'] = self.device
+      json['collapse_key'] = self.collapse_key
+      json['delay_when_idle'] = "1" if self.delay_when_idle == true
+      self.payload.each { |k, v| json["data.#{k.to_s}"] = v.to_s } if self.payload
+      json
+    end
+
+    def check_for_error(connection)
+      response = connection.response
+      error_type = response.body[/Error=(.*)/, 1]
+      if response.code.eql? "200" and error_type
+        error = Push::DeliveryError.new(response.code, id, error_type, "C2DM")
+
+        # if error_type is one of the following, the registration_id (device) should
+        # not be used anymore
+        if ["InvalidRegistration", "NotRegistered"].index(error_type)
+          with_database_reconnect_and_retry(connection.name) do
+            Push::FeedbackC2dm.create!(:failed_at => Time.now, :device => device)
+          end
+        end
+
+        Push::Daemon.logger.error("[#{connection.name}] Error received.")
+        raise error if error
+      elsif !response.code.eql? "200"
+        error = Push::DeliveryError.new(response.code, id, response.description, "C2DM")
+        Push::Daemon.logger.error("[#{connection.name}] Error received.")
+        raise error if error
+      end
+    end
+  end
+end

push-c2dm.gemspec

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+$:.push File.expand_path("../lib", __FILE__)
+
+# Maintain your gem's version:
+require "push-c2dm/version"
+
+# Describe your gem and declare its dependencies:
+Gem::Specification.new do |s|
+  s.name        = "push-c2dm"
+  s.version     = PushC2dm::VERSION
+  s.authors     = ["Tom Pesman"]
+  s.email       = ["tom@tnux.net"]
+  s.homepage    = "https://github.com/tompesman/push-c2dm"
+  s.summary     = "C2DM (Android) part of the modular push daemon."
+  s.description = "Plugin with C2DM specific push information."
+
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.files         = `git ls-files lib`.split("\n") + ["README.md", "MIT-LICENSE"]
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+
+  s.add_dependency "push-core", "0.0.1.pre"
+  s.add_development_dependency "sqlite3"
+end