71 lines
2.1 KiB
Ruby
71 lines
2.1 KiB
Ruby
#--
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# WPScan - WordPress Security Scanner
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# Copyright (C) 2012-2013
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#++
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#
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# => @todo take consideration of the cache_timeout :
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# -> create 2 files per key : one for the data storage (key.store ?) and the other for the cache timeout (key.expiration, key.timeout ?)
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# or 1 file for all timeouts ?
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# -> 2 dirs : 1 for storage, the other for cache_timeout ?
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#
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require 'yaml'
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class CacheFileStore
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attr_reader :storage_path, :serializer
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# The serializer must have the 2 methods .load and .dump (Marshal and YAML have them)
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# YAML is Human Readable, contrary to Marshal which store in a binary format
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# Marshal does not need any "require"
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def initialize(storage_path, serializer = Marshal)
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@storage_path = File.expand_path(storage_path)
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@serializer = serializer
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# File.directory? for ruby <= 1.9 otherwise, it makes more sense to do Dir.exist? :/
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unless File.directory?(@storage_path)
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Dir.mkdir(@storage_path)
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end
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end
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def clean
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Dir[File.join(@storage_path, '*')].each do |f|
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File.delete(f)
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end
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end
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def read_entry(key)
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entry_file_path = get_entry_file_path(key)
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if File.exists?(entry_file_path)
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return @serializer.load(File.read(entry_file_path))
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end
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end
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def write_entry(key, data_to_store, cache_timeout)
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if cache_timeout > 0
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File.open(get_entry_file_path(key), 'w') do |f|
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f.write(@serializer.dump(data_to_store))
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end
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end
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end
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def get_entry_file_path(key)
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@storage_path + '/' + key
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end
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end
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