Module: Net::HTTPHeader

Defined in:
lib/rbrainz/core_ext/net_http_digest.rb

Overview

:nodoc:

Constant Summary collapse

CNONCE = 
Digest::MD5.new.update("%x" % (Time.now.to_i + rand(65535))).hexdigest
@@nonce_count = 
0

Instance Method Summary collapse

Instance Method Details

#digest_auth(user, password, response) ⇒ Object 



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# File 'lib/rbrainz/core_ext/net_http_digest.rb', line 47

def digest_auth(user, password, response)
  @header['Authorization'] = digest_encode(response['www-authenticate'], user, password)
end

#digest_encode(authenticate, user, password) ⇒ Object 



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# File 'lib/rbrainz/core_ext/net_http_digest.rb', line 55

def digest_encode(authenticate, user, password)
  @@nonce_count += 1
  authenticate =~ /^(\w+) (.*)/
  
  params = {}
  $2.gsub(/(\w+)="(.*?)"/) { params[$1] = $2 }

  qop = 'auth' if 
    params['qop'] and params['qop'].split(',').include?('auth')

  a_1 = "#{user}:#{params['realm']}:#{password}"
  a_2 = "#{@method}:#{@path}"
  request_digest = ''
  request_digest << Digest::MD5.new.update(a_1).hexdigest
  request_digest << ':' << params['nonce']
  if qop
    request_digest << ':' << ('%08x' % @@nonce_count)
    request_digest << ':' << CNONCE
    request_digest << ':' << qop
  end
  request_digest << ':' << Digest::MD5.new.update(a_2).hexdigest

  header = []
  header << "Digest username=\"#{user}\""
  header << "realm=\"#{params['realm']}\""

  header << "qop=#{qop}" if qop

  header << "algorithm=MD5"
  header << "uri=\"#{@path}\""
  header << "nonce=\"#{params['nonce']}\""
  header << "nc=#{'%08x' % @@nonce_count}" if params['qop']
  header << "cnonce=\"#{CNONCE}\"" if params['qop']
  header << "response=\"#{Digest::MD5.new.update(request_digest).hexdigest}\""
  header << "opaque=\"#{params['opaque']}\"" if params['opaque']
  
  return header
end

#proxy_digest_auth(user, password, response) ⇒ Object 



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# File 'lib/rbrainz/core_ext/net_http_digest.rb', line 51

def proxy_digest_auth(user, password, response)
  @header['Proxy-Authorization'] = digest_encode(response['proxy-authenticate'], user, password)
end

#proxy_select_auth(user, password, response) ⇒ Object 



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# File 'lib/rbrainz/core_ext/net_http_digest.rb', line 33

def proxy_select_auth(user, password, response)
  response['proxy-authenticate'] =~ /^(\w+) (.*)/
  auth_type = $1
  case auth_type
    when 'Digest'
      proxy_digest_auth(user,password,response)
      return true
    when 'Basic'
      proxy_basic_auth(user,password)
      return true
  end
  return false
end

#select_auth(user, password, response) ⇒ Object 



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# File 'lib/rbrainz/core_ext/net_http_digest.rb', line 19

def select_auth(user,password,response)
  response['www-authenticate'] =~ /^(\w+) (.*)/
  auth_type = $1
  case auth_type
    when 'Digest'
      digest_auth(user,password,response)
      return true
    when 'Basic'
      basic_auth(user,password)
      return true
  end
  return false
end