Class: Firebrew::Firefox::Extension::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/firebrew/firefox/extension.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/firebrew/firefox/extension.rb', line 13

def initialize(params={})
  @profile = params[:profile]
end

Instance Attribute Details

#profile ⇒ Object (readonly)

Returns the value of attribute profile.



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# File 'lib/firebrew/firefox/extension.rb', line 11

def profile
  @profile
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/firebrew/firefox/extension.rb', line 17

def all
  profile_extensions = self.fetch['addons'].find_all do |extension|
    extension['location'] == 'app-profile'
  end
  
  profile_extensions.map do |extension|
    Extension.new({
      name: extension['defaultLocale']['name'],
      guid: extension['id'],
      version: extension['version'],
      uri: extension['descriptor'],
    }, self)
  end
end

#find(name) ⇒ Object 



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# File 'lib/firebrew/firefox/extension.rb', line 32

def find(name)
  self.all.find{|ext| ext.name == name }
end

#find!(name) ⇒ Object

Raises:



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# File 'lib/firebrew/firefox/extension.rb', line 36

def find!(name)
  result = self.find(name)
  raise Firebrew::ExtensionNotFoundError, "Extension not found: #{name}" if result.nil?
  result
end

#install(extension) ⇒ Object 



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# File 'lib/firebrew/firefox/extension.rb', line 42

def install(extension)
  dir = File.join(self.profile.path, 'extensions')
  FileUtils.mkdir_p dir
  
  open([extension.uri].flatten.first, 'rb') do |r|
    xpi = Zip::File.open(r)
    install_manifests = xpi.find_entry('install.rdf')
    install_manifests = install_manifests.get_input_stream.read
    install_manifests = REXML::Document.new(install_manifests)
    is_unpacking = REXML::XPath.match(install_manifests, '/RDF/Description/em:unpack/text()').first
    is_unpacking = is_unpacking.nil? ? false : is_unpacking.value.strip == 'true'
    
    if is_unpacking then
      extension.uri = File.join(dir, extension.guid)
      FileUtils.mkdir_p(extension.uri)
      xpi.each do |entry|
        next if entry.ftype == :directory
        content = entry.get_input_stream.read
        Dir.chdir(extension.uri) do
          FileUtils.mkdir_p File.dirname(entry.name)
          File.write(entry.name, content)
        end
      end
    else
      extension.uri = '%s.xpi' % File.join(dir, extension.guid)
      open(extension.uri, 'wb') do |w|
        w.write r.read
      end
    end
  end
  
  self.add(extension)
  self.push
end

#uninstall(extension) ⇒ Object 



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# File 'lib/firebrew/firefox/extension.rb', line 77

def uninstall(extension)
  FileUtils.rm_rf extension.uri
  self.remove(extension)
  self.push
end