dan.thoughts

class WebDAV
	attr_reader :host, :port, :protocol, :chunk_size
	@socket = nil
 
	def initialize(host,port=80,protocol='HTTP/1.1',chunk=8096)
		@host = host.to_s
		@port = port.to_i
		@protocol = protocol
		@chunk_size = chunk.to_i
	end
 
	def build_header(method, path, content_length=nil)
		header = "#{method} #{path} #{@protocol} \r\n"
		header += "Content-Length: #{content_length}\r\n" if !content_length.nil?
		header += "Host: #{@host}\r\n"
		header += "Connection: close\r\n\r\n"
		return header
	end
 
	def request(method, path)
		open
		header = build_header(method, path)
		if @socket.write(header) == header.length then
			return @socket.gets.split[1]
		end
	end
 
	def delete(path)
		request('DELETE', path)
	end
 
	def head(path)
		request('HEAD', path)
	end
 
	def mkcol(path)
		request('MKCOL', path)
	end
 
	def put(path, localfile, auto_head=true)
		if !File.exists?(localfile) || !File.readable?(localfile)
			raise "File not exists or not accessible for reading!"
		end
 
		open
 
		datalen = File.size(localfile)
		header = build_header('PUT', path, datalen)
 
		begin
			if @socket.write(header) == header.length then
				written = 0
				File.open(localfile,'r') do |f| 
					until f.eof? do
						written += @socket.write(f.read(@chunk_size))
					end
				end
 
				if written == datalen
					close
					if !auto_head
						return true
					else
						return head(path)
					end
				end
			end
		rescue Exception => e
			puts e
			return false
		end
	end
 
	def open
		begin 
			@socket = TCPSocket.open(@host,@port)
			return true
		rescue Exception => e
			puts e
			return false
		end
	end
 
	def close
		begin
			return @socket.close
		rescue 
			return false
		end
	end
end

require 'socket'
require 'digest'

# create connection
conn = WebDAV.new('your.host.com')
 
# upload file (without autocheck), return true/false value
result = conn.put('/test.mp3','/home/.../..../..../file.mp3', false)
 
# upload file with autocheck, returns http response code (201, 404, ... ) so you`ll know what exactly happened
result = conn.put('/test2.mp3','/home/.../file.mp3')

class FileHash 
	def self.md5(path)
		d = Digest::MD5.new
		File.open(path,'r') do |f| 
			d.update(f.read(8192)) until f.eof?
		end
		return d.hexdigest
	end
 
	def self.sha1(path)
		d = Digest::SHA1.new
		File.open(path,'r') do |f| 
			d.update(f.read(8192)) until f.eof?
		end
		return d.hexdigest
	end
end

FileHash.md5('/path/to/file')
FileHash.sha1('/path/to/file')