如何使用lua套接字/ smtp发送附件?

时间:2013-03-07 20:09:52

标签: sockets email lua smtp

我有以下代码:

local email_credentials = function(email_address, password, username)
   local from 
   local contents = read_email_contents_file()
   contents= string.gsub(contents, "<<password>>", password)
   from = "<CAdmin@test.net>"
   rcpt = {
   "<"..email_address..">"
   }
   mesgt = {
      headers = {
         to = email_address,
         ["content-type"] = 'text/html',
         subject = "Your Password"
     },
       body = contents
  }

  r, e = smtp.send{
     from = from,
     rcpt = rcpt,
     server = 'localhost', 
     source = smtp.message(mesgt)
  }
end

发现这篇文章:

http://lua-users.org/lists/lua-l/2005-08/msg00021.html

我尝试将标题部分更改为:

  headers = {
     to = email_address,
     ["content-type"] = 'text/html',
     ["content-disposition"] = 'attachment; filename="/var/log/test.log"',
     subject = "test email with attachment"
 },

但这不起作用。发送/接收的电子邮件但没有附件。

任何帮助都将不胜感激。

由于

编辑1

我添加了以下两行:

 ["content-description"] ='test description',
 ["content-transfer-encoding"] = "BASE64"

现在我得到了一份附件。但是,这些数据都是混乱的。看起来像这样:

  

=«ÂŠÝrm/'10当量©UUU!Ĵ×Z»^ÆÜÁ©í¶

该文件的内容只是文字.... 感谢

1 个答案:

答案 0 :(得分:0)

我找到了答案。需要包含库ltn12。

http://w3.impa.br/~diego/software/luasocket/old/luasocket-2.0-beta2/ltn12.html

我更新了我的代码,使其如下所示:

local email_withattachment = function(email_address, path, filename)
   local from 
   if (email_address == nil) or (path == nil) or (filename == nil) then
    return false
   end

   from = "<admin@test.net>"
   rcpt = {
   "<"..email_address..">"
   }
   mesgt = {
      headers = {
         to = email_address,
         ["content-type"] = 'text/html',
         ["content-disposition"] = 'attachment; filename="'..filename..'"',
         ["content-description"] ='yourattachment',
         ["content-transfer-encoding"] = "BASE64",
         subject = "subject line"
     },
      body = ltn12.source.chain(
        ltn12.source.file(io.open(path..filename, "rb")),
        ltn12.filter.chain(
          mime.encode("base64"),
          mime.wrap()
          )
        )
  }

  r, e = smtp.send{
     from = from,
     rcpt = rcpt,
     server = 'localhost', 
     source = smtp.message(mesgt)
  }
  if e then
    return false
  end
  return true
end

我仍在尝试阅读LTN12手册,以了解我正在做什么(笑),但代码有效。

希望这有助于其他人。