97 lines
2.9 KiB
Ruby
97 lines
2.9 KiB
Ruby
# Phusion Passenger - https://www.phusionpassenger.com/
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# Copyright (c) 2010-2025 Asynchronous B.V.
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#
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# "Passenger", "Phusion Passenger" and "Union Station" are registered
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# trademarks of Asynchronous B.V.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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require 'etc'
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module PhusionPassenger
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class Plugin
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@@hooks = {}
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@@classes = {}
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def self.load(name, load_once = true)
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PLUGIN_DIRS.each do |plugin_dir|
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if plugin_dir =~ /\A~/
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# File.expand_path uses ENV['HOME'] which we don't want.
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home = Etc.getpwuid(Process.uid).dir
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plugin_dir = plugin_dir.sub(/\A~/, home)
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end
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plugin_dir = File.expand_path(plugin_dir)
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Dir["#{plugin_dir}/*/#{name}.rb"].each do |filename|
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if load_once
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require(filename)
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else
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load(filename)
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end
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end
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end
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end
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def self.register_hook(name, &block)
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hooks_list = (@@hooks[name] ||= [])
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hooks_list << block
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end
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def self.call_hook(name, *args, &block)
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last_result = nil
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if (hooks_list = @@hooks[name])
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hooks_list.each do |callback|
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last_result = callback.call(*args, &block)
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end
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end
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return last_result
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end
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def self.register(name, klass)
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classes = (@@classes[name] ||= [])
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classes << klass
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end
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def initialize(name, *args, &block)
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Plugin.load(name)
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classes = @@classes[name]
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if classes
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@instances = classes.map do |klass|
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klass.new(*args, &block)
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end
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else
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return nil
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end
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end
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def call_hook(name, *args, &block)
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last_result = nil
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if @instances
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@instances.each do |instance|
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if instance.respond_to?(name.to_sym)
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last_result = instance.__send__(name.to_sym, *args, &block)
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end
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end
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end
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return last_result
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end
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end
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end # module PhusionPassenger
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