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https://github.com/Relintai/smtp_node.git
synced 2024-11-13 17:27:21 +01:00
Implemented STARTTLS, also fixed most protocol related issues.
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parent
b42cfece18
commit
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152
SMTPClient.gd
152
SMTPClient.gd
@ -1,19 +1,5 @@
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extends Node
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export(String) var server : String = "smtp.gmail.com"
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export(int) var port : int = 465
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export(String) var user : String = ""
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export(String) var password : String = ""
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export(String) var email_address : String = "mail.smtp.localhost"
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export(String) var client_address : String = "client.example.com"
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export(int) var max_retries : int = 5
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export(int) var delay_time : int = 250
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var _socket_original : StreamPeer = null
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var _socket : StreamPeer = null
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var _packet_in : String = ""
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var _packet_out : String = ""
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enum SMTPStatus {
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OK,
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WAITING,
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@ -21,6 +7,28 @@ enum SMTPStatus {
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UNHANDLED_REPONSE
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}
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enum AuthType {
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PLAINTEXT,
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STARTTLS,
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SMTPS
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}
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export(String) var server : String = "smtp.gmail.com"
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export(int) var port : int = 465
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export(String) var user : String = ""
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export(String) var password : String = ""
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export(String) var email_address : String = ""
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export(String) var email_address_name : String = ""
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export(String) var client_address : String = "client.example.com"
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export(int) var max_retries : int = 5
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export(int) var delay_time : int = 250
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export(AuthType) var auth_type : int = 0
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var _socket_original : StreamPeer = null
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var _socket : StreamPeer = null
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var _packet_in : String = ""
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var _packet_out : String = ""
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var _current_status : int = 0
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var _thread : Thread = null
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@ -48,24 +56,23 @@ func _thread_deliver(user_data):
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r_code = open_socket()
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if r_code == OK:
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r_code = wait_answer()
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# if r_code == OK:
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# emit_signal("SMTP_connected")
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# r_code = send("ciao") # needed because some SMTP servers return error each first command
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if r_code == OK:
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r_code = mail_hello()
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if r_code == OK && auth_type == AuthType.STARTTLS:
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r_code = mail_starttls()
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if r_code == OK:
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r_code = mail_hello()
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if r_code == OK:
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print("SMTP_working")
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close_socket()
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return
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r_code = mail_auth()
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if r_code == OK:
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r_code = mail_from(address)
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r_code = mail_from(email_address)
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if r_code == OK:
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r_code = mail_to(address)
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if r_code == OK:
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r_code = mail_data(data, address, subject)
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r_code = mail_data(data, subject)
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if r_code == OK:
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print("process OK")
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if r_code == OK:
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@ -81,12 +88,9 @@ func _thread_deliver(user_data):
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func open_socket():
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var error : int
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if _socket_original == null:
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_socket_original = StreamPeerTCP.new()
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error = _socket_original.connect_to_host(server,port)
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_socket = StreamPeerSSL.new()
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_socket.connect_to_stream(_socket_original, true, server)
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if _socket == null:
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_socket = StreamPeerTCP.new()
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error = _socket.connect_to_host(server,port)
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display(["connecting server...",server,error])
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@ -95,7 +99,7 @@ func open_socket():
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error=_socket.connect_to_host(ip,port)
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display(["trying IP ...",ip,error])
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for i in range(1,max_retries):
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for i in range(1, max_retries):
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print("RETRIES" + str(_socket.get_status()))
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# if _socket.get_status() == _socket.STATUS_ERROR:
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@ -115,8 +119,15 @@ func open_socket():
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return error
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func close_socket():
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if !_socket_original:
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_socket.disconnect_from_host()
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else:
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_socket.disconnect_from_stream()
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_socket_original.disconnect_from_host()
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_socket = null
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_socket_original = null
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func send(data1,data2=null,data3=null):
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return send_only(data1,data2,data3)
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@ -144,30 +155,45 @@ func wait_answer(succesful=""):
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_packet_in = ""
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OS.delay_msec(delay_time)
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for i in range(1,max_retries):
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for i in range(max_retries):
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if _socket.has_method(@"poll"):
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_socket.poll()
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var bufLen = _socket.get_available_bytes()
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if bufLen > 0:
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display(["bytes buffered",String(bufLen)])
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_packet_in=_packet_in + _socket.get_utf8_string(bufLen)
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var buf_len = _socket.get_available_bytes()
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if buf_len > 0:
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display(["bytes buffered",String(buf_len)])
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_packet_in = _packet_in + _socket.get_utf8_string(buf_len)
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display(["receive",_packet_in])
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break
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else:
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OS.delay_msec(delay_time)
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# This will likely need a rework
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if _packet_in != "":
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_current_status= SMTPStatus.OK
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_current_status = SMTPStatus.OK
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if parse_packet_in(succesful) != OK:
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_current_status=SMTPStatus.UNHANDLED_REPONSE
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_current_status = SMTPStatus.UNHANDLED_REPONSE
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else:
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_current_status = SMTPStatus.NO_RESPONSE
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return _current_status
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func parse_packet_in(strcompare):
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func parse_packet_in(strcompare : String):
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if strcompare == "":
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return OK
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if _packet_in.left(strcompare.length())==strcompare:
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var slicecount : int = _packet_in.get_slice_count("\r\n")
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if slicecount <= 1:
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if _packet_in.left(strcompare.length()) == strcompare:
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return OK
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else:
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return FAILED
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else:
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var ll : String = _packet_in.get_slice("\r\n", slicecount - 2)
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if ll.left(strcompare.length()) == strcompare:
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return OK
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else:
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return FAILED
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@ -179,6 +205,38 @@ func mail_hello():
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r_code= wait_answer("250")
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return r_code
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func mail_starttls():
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var r_code : int = send("STARTTLS")
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r_code = wait_answer("220") #220 TLS go ahead
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if r_code != OK:
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return r_code
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_socket_original = _socket
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_socket = StreamPeerSSL.new()
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_socket.connect_to_stream(_socket_original, true, server)
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for i in range(max_retries):
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print("STARTTLS RETRIES" + str(_socket.get_status()))
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if _socket.get_status() == _socket.STATUS_ERROR:
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display("Error while requesting connection")
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return _socket.get_status()
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# elif _socket.get_status() == _socket.STATUS_CONNECTING:
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# d.display("connecting...")
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# break
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if _socket.get_status() == _socket.STATUS_CONNECTED:
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display("STARTTLS connection up")
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print("STARTTLS CONNECTED")
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break
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OS.delay_msec(delay_time)
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return r_code
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func mail_auth():
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var r_code : int =send("AUTH LOGIN")
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r_code=wait_answer("334")
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@ -212,20 +270,24 @@ func mail_to(data):
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return r_code
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func mail_data(data=null,from=null,subject=null):
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var corpo : String = ""
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for i in data:
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corpo = corpo + i + "\r\n"
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corpo=corpo + "."
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func mail_data(data=null,subject=null):
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var corpo : String = data
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corpo += "\r\n.\r\n"
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var r_code=send("DATA")
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r_code=wait_answer("354")
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# if r_code == OK and from != null:
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# r_code=send("FROM: ",bracket(from))
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if r_code == OK:
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r_code=send("FROM: ", email_address_name + " " + bracket(email_address))
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#r_code =wait_answer("250")
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if r_code == OK and subject != null:
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r_code=send("SUBJECT: ",subject)
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#r_code =wait_answer("250")
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if r_code == OK and data != null:
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r_code=send(corpo)
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r_code =wait_answer("250")
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#r_code =wait_answer("250")
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r_code = wait_answer("250")
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return r_code
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func mail_quit():
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