Class: Sambal::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/sambal/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/sambal/client.rb', line 12

def initialize(options={})
  begin
    options = {domain: 'WORKGROUP', host: '127.0.0.1', share: '', user: 'guest', password: '--no-pass', port: 445, timeout: 10, columns: 80}.merge(options)
    @timeout = options[:timeout].to_i
    @o, @i, @pid = PTY.spawn("COLUMNS=#{options[:columns]} smbclient \"//#{options[:host]}/#{options[:share]}\" '#{options[:password]}' -W \"#{options[:domain]}\" -U \"#{options[:user]}\" -p #{options[:port]}")
    res = @o.expect(/(.*\n)?smb:.*\\>/, @timeout)[0] rescue nil
    @connected = case res
    when nil
      $stderr.puts "Failed to connect"
      false
    when /^put/
      res['putting'].nil? ? false : true
    else
      if res['NT_STATUS']
        false
      elsif res['timed out'] || res['Server stopped']
        false
      else
        true
      end
    end

    unless @connected
      close if @pid
      exit(1)
    end
  rescue Exception => e
    raise RuntimeError.exception("Unknown Process Failed!! (#{$!.to_s}): #{e.message.inspect}\n"+e.backtrace.join("\n"))
  end
end

Instance Attribute Details

#connected ⇒ Object (readonly)

Returns the value of attribute connected.



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# File 'lib/sambal/client.rb', line 10

def connected
  @connected
end

Instance Method Details

#ask(cmd) ⇒ Object 



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# File 'lib/sambal/client.rb', line 211

def ask(cmd)
  @i.printf("#{cmd}\n")
  response = @o.expect(/^smb:.*\\>/,@timeout)[0] rescue nil
  if response.nil?
    $stderr.puts "Failed to do #{cmd}"
    raise Exception.new, "Failed to do #{cmd}"
  else
    response
  end
end

#ask_wrapped(cmd, filenames) ⇒ Object 



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# File 'lib/sambal/client.rb', line 222

def ask_wrapped(cmd,filenames)
  ask wrap_filenames(cmd,filenames)
end

#cd(dir) ⇒ Object 



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# File 'lib/sambal/client.rb', line 73

def cd(dir)
  response = ask("cd \"#{dir}\"")
  if response.split("\r\n").join('') =~ /NT_STATUS_OBJECT_NAME_NOT_FOUND/
    Response.new(response, false)
  else
    Response.new(response, true)
  end
end

#close ⇒ Object 



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# File 'lib/sambal/client.rb', line 204

def close
  @i.close
  @o.close
  Process.wait(@pid)
  @connected = false
end

#del(file) ⇒ Object 



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# File 'lib/sambal/client.rb', line 160

def del(file)
  begin
    file_context(file) do |file|
      response = ask_wrapped 'del', file
      next_line = response.split("\n")[1]
      if next_line =~ /^smb:.*\\>/
      Response.new(response, true)
      #elsif next_line =~ /^NT_STATUS_NO_SUCH_FILE.*$/
      #  Response.new(response, false)
      #elsif next_line =~ /^NT_STATUS_ACCESS_DENIED.*$/
      #  Response.new(response, false)
      else
        Response.new(response, false)
      end
    end
  rescue InternalError => e
    Response.new(e.message, false)
  end
  #end
  #if (path_parts = file.split('/')).length>1
  #  file = path_parts.pop
  #  subdirs = path_parts.length
  #  dir = path_parts.join('/')
  #  cd dir
  #end
#  response = ask "del #{file}"
#  next_line = response.split("\n")[1]
#  if next_line =~ /^smb:.*\\>/
#    Response.new(response, true)
#  #elsif next_line =~ /^NT_STATUS_NO_SUCH_FILE.*$/
#  #  Response.new(response, false)
#  #elsif next_line =~ /^NT_STATUS_ACCESS_DENIED.*$/
#  #  Response.new(response, false)
#  else
#    Response.new(response, false)
#  end
#rescue InternalError => e
#  Response.new(e.message, false)
#ensure
#  unless subdirs.nil?
#    subdirs.times { cd '..' }
#  end
end

#file_context(path) ⇒ Object 



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# File 'lib/sambal/client.rb', line 51

def file_context(path)
  if (path_parts = path.split('/')).length>1
    file = path_parts.pop
    subdirs = path_parts.length
    dir = path_parts.join('/')
    cd dir
  else
    file = path
  end
  begin
    yield(file)
  ensure
    unless subdirs.nil?
      subdirs.times { cd '..' }
    end
  end
end

#get(file, output) ⇒ Object 



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# File 'lib/sambal/client.rb', line 82

def get(file, output)
  begin
    file_context(file) do |file|
      response = ask_wrapped 'get', [file, output]
      if response =~ /^getting\sfile.*$/
        Response.new(response, true)
      else
        Response.new(response, false)
      end
    end
  rescue InternalError => e
    Response.new(e.message, false)
  end
end

#logger ⇒ Object 



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# File 'lib/sambal/client.rb', line 43

def logger
  @logger ||= Logger.new(STDOUT)
end

#logger=(l) ⇒ Object 



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# File 'lib/sambal/client.rb', line 47

def logger=(l)
  @logger = l
end

#ls(qualifier = '*') ⇒ Object 



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# File 'lib/sambal/client.rb', line 69

def ls(qualifier = '*')
  parse_files(ask_wrapped('ls', qualifier))
end

#mkdir(directory) ⇒ Object 



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# File 'lib/sambal/client.rb', line 125

def mkdir(directory)
  return Response.new('directory name is empty', false) if directory.strip.empty?
  response = ask_wrapped('mkdir', directory)
  if response =~ /NT_STATUS_OBJECT_NAME_(INVALID|COLLISION)/
    Response.new(response, false)
  else
    Response.new(response, true)
  end
end

#parse_files(str) ⇒ Object 



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# File 'lib/sambal/client.rb', line 232

def parse_files(str)
  files = {}
  str.each_line do |line|
    if line =~ /\s+([\w\.\d\-\_\?\!\s]+)\s+([DAH]?)\s+(\d+)\s+(.+)$/
      lsplit = line.split(/\s{2,}/)
      #$stderr.puts "lsplit: #{lsplit}"
      lsplit.shift ## remove first empty string
      name = lsplit.shift#$1
      if lsplit.first =~ /^[A-Za-z]+$/
        type = lsplit.shift
      else
        type = ""
      end
      size = lsplit.shift#$3
      date = lsplit.join(' ')#$4
      name.gsub!(/\s+$/,'')
      files[name] = if type =~/^D.*$/
        {type: :directory, size: size, modified: (Time.parse(date) rescue "!!#{date}")}
      else
        {type: :file, size: size , modified: (Time.parse(date) rescue "!!#{date}")}
      end
    end
  end
  files
end

#put(file, destination) ⇒ Object 



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# File 'lib/sambal/client.rb', line 97

def put(file, destination)
  response = ask_wrapped 'put', [file, destination]
  if response =~ /^putting\sfile.*$/
    Response.new(response, true)
  else
    Response.new(response, false)
  end
rescue InternalError => e
  Response.new(e.message, false)
end

#put_content(content, destination) ⇒ Object 



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# File 'lib/sambal/client.rb', line 108

def put_content(content, destination)
  t = Tempfile.new("upload-smb-content-#{destination}")
  File.open(t.path, 'w') do |f|
    f << content
  end
  response = ask_wrapped 'put', [t.path, destination]
  if response =~ /^putting\sfile.*$/
    Response.new(response, true)
  else
    Response.new(response, false)
  end
rescue InternalError => e
  Response.new(e.message, false)
ensure
  t.close
end

#rmdir(dir) ⇒ Object 



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# File 'lib/sambal/client.rb', line 135

def rmdir(dir)
  response = cd dir
  return response if response.failure?
  begin
    ls.each do |name, meta|
      if meta[:type]==:file
        response = del name
      elsif meta[:type]==:directory && !(name =~ /^\.+$/)
        response = rmdir(name)
      end
      raise InternalError.new response.message if response && response.failure?
    end
    cd '..'
    response = ask_wrapped 'rmdir', dir
    next_line = response.split("\n")[1]
    if next_line =~ /^smb:.*\\>/
      Response.new(response, true)
    else
      Response.new(response, false)
    end
  rescue InternalError => e
    Response.new(e.message, false)
  end
end

#wrap_filenames(cmd, filenames) ⇒ Object 



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# File 'lib/sambal/client.rb', line 226

def wrap_filenames(cmd,filenames)
  filenames = [filenames] unless filenames.kind_of?(Array)
  filenames.map!{ |filename| "\"#{filename}\"" }
  [cmd,filenames].flatten.join(' ')
end