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