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extends: default | ||
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rules: | ||
line-length: | ||
max: 120 |
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# frozen_string_literal: true | ||
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libdir = File.expand_path('..', __FILE__) | ||
libdir = File.expand_path(__dir__) | ||
require File.join(libdir, 'core_ext') | ||
require File.join(libdir, 'helpers') | ||
Dir[File.join(libdir, 'drivers_dsl_*.rb')].each { |f| require f } | ||
require File.join(libdir, 'archive') | ||
Dir[File.join(libdir, 'drivers_base.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_dsl_*.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_*_base.rb')].each { |f| require f } | ||
Dir[File.join(libdir, '*.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_appserver_*.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_db_*.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_framework_*.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_source_*.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_webserver_*.rb')].each { |f| require f } | ||
Dir[File.join(libdir, 'drivers_worker_*.rb')].each { |f| require f } |
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# frozen_string_literal: true | ||
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module OpsworksRuby | ||
class Archive | ||
MIME_MAGIC_TABLES ||= [ | ||
['application/gzip', [[0, "\037\213".b]]], | ||
['application/x-7z-compressed', [[0, "7z\274\257'\034".b]]], | ||
['application/x-bzip', [[0, 'BZh'.b]]], | ||
['application/x-compress', [[0, "\037\235".b]]], | ||
['application/x-tar', [[257, "ustar\000".b], [257, "ustar \000".b]]], | ||
['application/x-xz', [[0, "\3757zXZ\000".b]]], | ||
['application/zip', [[0, "PK\003\004".b]]] | ||
].freeze | ||
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TYPES ||= { | ||
'application/x-bzip-compressed-tar' => [ | ||
%w[tar.bz tar.bz2 tb2 tbz tbz2], %w[application/x-bzip], 'Tar archive (bzip-compressed)' | ||
], | ||
'application/x-compressed-tar' => [ | ||
%w[tar.gz tgz], %w[application/gzip], 'Tar archive (gzip-compressed)' | ||
], | ||
'application/x-tarz' => [ | ||
%w[tar.z taz], %w[application/x-compress], 'Tar archive (compressed)' | ||
], | ||
'application/x-xz-compressed-tar' => [ | ||
%w[tar.xz txz], %w[application/x-xz], 'Tar archive (XZ-compressed)' | ||
] | ||
}.freeze | ||
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COMMANDS ||= { | ||
'application/gzip' => 'gunzip -c %s > %s', | ||
'application/x-7z-compressed' => '7z x -t7z %s -o%s', | ||
'application/x-bzip' => 'bzip2 -ckd %s > %s', | ||
'application/x-bzip-compressed-tar' => 'tar -xjf %s -C %s', | ||
'application/x-compress' => 'zcat %s > %s', | ||
'application/x-compressed-tar' => 'tar -xzf %s -C %s', | ||
'application/x-tar' => 'tar -xf %s -C %s', | ||
'application/x-tarz' => 'zcat %s | tar -xf -C %s -', | ||
'application/x-xz' => 'xz --decompress --stdout %s > %s', | ||
'application/x-xz-compressed-tar' => 'tar -xJf %s -C %s', | ||
'application/zip' => 'unzip %s -d %s' | ||
}.freeze | ||
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def initialize(source_path) | ||
@source_path = source_path.to_s | ||
end | ||
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def uncompress(destination) | ||
cmd = Mixlib::ShellOut.new(extract_command(destination)) | ||
cmd.run_command | ||
end | ||
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def extract_command(destination) | ||
format(COMMANDS[file_mime_type], @source_path, destination) | ||
end | ||
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def file_mime_type | ||
mime_type = File.open(@source_path) do |io| | ||
io.binmode | ||
io.set_encoding(Encoding::BINARY) | ||
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find_mime_matches(io)&.first | ||
end | ||
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detect_tar_mime_type(mime_type) | ||
end | ||
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def find_mime_matches(io) | ||
MIME_MAGIC_TABLES.detect do |item| | ||
item[1].any? do |bytes| | ||
io.rewind | ||
io.read(bytes[0]) | ||
io.read(bytes[1].size) == bytes[1] | ||
end | ||
end | ||
end | ||
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def detect_tar_mime_type(mime_type) | ||
types_with_matching_extensions = TYPES.select do |_mime_name, types| | ||
types[1].include?(mime_type) | ||
end | ||
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types_with_matching_extensions.detect do |types| | ||
types[1][0].any? { |extension| @source_path.downcase.end_with?(extension) } | ||
end&.first || mime_type | ||
end | ||
end | ||
end |
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