Module: Core

Includes:
VARS
Included in:
FileRock
Defined in:
lib/filerock/core.rb

Instance Method Summary collapse

Methods included from VARS

#vars

Instance Method Details

#check_checksum(checksum, blocksize = nil) ⇒ Object 



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# File 'lib/filerock/core.rb', line 55

def check_checksum(checksum, blocksize = nil)
  if(checksum.length == 32)
    if(blocksize.nil?)
      checksum_MD5 = Digest::MD5.hexdigest(File.read(@sett[:file]))
    else
      open(@sett[:file],"rb"){|file| checksum_MD5 = Digest::MD5.hexdigest(file.read(blocksize))}
    end
    if(checksum == checksum_MD5)
      return true
    else
      return false
    end
  elsif(checksum.length == 40)
    if(blocksize.nil?)
      checksum_SHA1 = Digest::SHA1.hexdigest(File.read(@sett[:file]))
    else
      open(@sett[:file],"rb"){|file| checksum_SHA1 = Digest::SHA1.hexdigest(file.read(blocksize))}
    end
    if(checksum == checksum_SHA1)
      return true
    else
      return false
    end
  elsif(checksum.length == 128)
    if(blocksize.nil?)
      checksum_SHA512 = Digest::SHA512.hexdigest(File.read(@sett[:file]))
    else
      open(@sett[:file],"rb"){|file| checksum_SHA512 = Digest::SHA512.hexdigest(file.read(blocksize))}
    end
    if(checksum == checksum_SHA512)
      return true
    else
      return false
    end
  else
    raise "Unknown Checksum Algorithm."
  end
end

#create_checksum_MD5(blocksize = nil) ⇒ Object 



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# File 'lib/filerock/core.rb', line 19

def create_checksum_MD5(blocksize = nil)
  if(blocksize.is_a? String)
    raise "Wrong method argument, You should send an integrer."
  end
  if(blocksize.nil?)
    checksum_MD5 = Digest::MD5.hexdigest(File.read(@sett[:file]))
    return checksum_MD5
  else
    open(@sett[:file],"rb"){|file| checksum_MD5 = Digest::MD5.hexdigest(file.read(blocksize))}
    return checksum_MD5
  end
end

#create_checksum_SHA1(blocksize = nil) ⇒ Object 



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# File 'lib/filerock/core.rb', line 31

def create_checksum_SHA1(blocksize = nil)
  if(blocksize.is_a? String)
    raise "Wrong method argument, You should send an integrer."
  end
  if(blocksize.nil?)
    checksum_SHA1 = Digest::SHA1.hexdigest(File.read(@sett[:file]))
    return checksum_SHA1
  else
    open(@sett[:file],"rb"){|file| checksum_SHA1 = Digest::SHA1.hexdigest(file.read(blocksize))}
    return checksum_SHA1
  end
end

#create_checksum_SHA512(blocksize = nil) ⇒ Object 



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# File 'lib/filerock/core.rb', line 43

def create_checksum_SHA512(blocksize = nil)
  if(blocksize.is_a? String)
    raise "Wrong method argument, You should send an integrer."
  end
  if(blocksize.nil?)
    checksum_SHA512 = Digest::SHA512.hexdigest(File.read(@sett[:file]))
    return checksum_SHA512
  else
    open(@sett[:file],"rb"){|file| checksum_SHA512 = Digest::SHA512.hexdigest(file.read(blocksize))}
    return checksum_SHA512
  end
end

#footer ⇒ Object 



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# File 'lib/filerock/core.rb', line 11

def footer
  i = @sett[:size]
  foot = Enc.tohex(IO.binread(@sett[:file])).reverse![0..i].reverse!
    if(@sett[:space] =~ /ON/i)
      foot = foot.gsub(/(.{2})(?=.)/, '\1 \2')
    end
  return foot
end

#header ⇒ Object 



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# File 'lib/filerock/core.rb', line 3

def header
  i = @sett[:size]
  head = Enc.tohex(IO.binread(@sett[:file]))[0..i]
    if(@sett[:space] =~ /ON/i)
      head = head.gsub(/(.{2})(?=.)/, '\1 \2')
    end
  return head
end

#inside_craving? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/filerock/core.rb', line 112

def inside_craving?
  allinf = []
  i = 0
  typetestheadassci = IO.binread(@sett[:file])
    while(i < @header.size)
      if(typetestheadassci =~ /#{@header[i]}/i)
        allinf << @type[i]
      end
    i += 1
    end
  i = 0
  typetestheadhex = Enc.tohex(IO.binread(@sett[:file]))
    while(i < @header.size)
      if(typetestheadhex =~ /#{@hexhead[i]}/i)
        allinf << @hextype[i]
      end
    i += 1
    end
  allinf.delete(nil)
  return allinf
end

#type? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/filerock/core.rb', line 93

def type?
  i = 0
  typetestheadassci = IO.binread(@sett[:file])[0..50]
    while(i < @header.size)
      if(typetestheadassci =~ /#{@header[i]}/i)
        return @type[i]
      end
    i += 1
    end
  i = 0
  typetestheadhex = Enc.tohex(IO.binread(@sett[:file]))[0..42]
    while(i < @header.size)
      if(typetestheadhex =~ /#{@hexhead[i]}/i)
        return @hextype[i]
      end
    i += 1
    end
  return nil
end