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pop3, smtp: embed Server struct into Session for #91

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This commit is contained in:
James Hillyerd
2018-03-31 17:09:30 -07:00
parent 7b073562eb
commit 3fe4140733
2 changed files with 29 additions and 29 deletions
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48
pkg/server/smtp/handler.go
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@@ -70,18 +70,18 @@ var commands = map[string]bool{
// Session holds the state of an SMTP session
type Session struct {
server *Server
id int
conn net.Conn
remoteDomain string
remoteHost string
sendError error
state State
reader *bufio.Reader
from string
recipients []*policy.Recipient
logger zerolog.Logger // Session specific logger.
debug bool // Print network traffic to stdout.
*Server // Server this session belongs to.
id int // Session ID.
conn net.Conn // TCP connection.
remoteDomain string // Remote domain from HELO command.
remoteHost string // Remote host.
sendError error // Last network send error.
state State // Session state machine.
reader *bufio.Reader // Buffered reading for TCP conn.
from string // Sender from MAIL command.
recipients []*policy.Recipient // Recipients from RCPT commands.
logger zerolog.Logger // Session specific logger.
debug bool // Print network traffic to stdout.
}
// NewSession creates a new Session for the given connection
@@ -89,7 +89,7 @@ func NewSession(server *Server, id int, conn net.Conn, logger zerolog.Logger) *S
reader := bufio.NewReader(conn)
host, _, _ := net.SplitHostPort(conn.RemoteAddr().String())
return &Session{
server: server,
Server: server,
id: id,
conn: conn,
state: GREET,
@@ -244,7 +244,7 @@ func (s *Session) greetHandler(cmd string, arg string) {
s.remoteDomain = domain
s.send("250-Great, let's get this show on the road")
s.send("250-8BITMIME")
s.send(fmt.Sprintf("250 SIZE %v", s.server.config.MaxMessageBytes))
s.send(fmt.Sprintf("250 SIZE %v", s.config.MaxMessageBytes))
s.enterState(READY)
default:
s.ooSeq(cmd)
@@ -296,7 +296,7 @@ func (s *Session) readyHandler(cmd string, arg string) {
s.logger.Warn().Msgf("Unable to parse SIZE %q as an integer", args["SIZE"])
return
}
if int(size) > s.server.config.MaxMessageBytes {
if int(size) > s.config.MaxMessageBytes {
s.send("552 Max message size exceeded")
s.logger.Warn().Msgf("Client wanted to send oversized message: %v", args["SIZE"])
return
@@ -323,17 +323,17 @@ func (s *Session) mailHandler(cmd string, arg string) {
}
// This trim is probably too forgiving
addr := strings.Trim(arg[3:], "<> ")
recip, err := s.server.addrPolicy.NewRecipient(addr)
recip, err := s.addrPolicy.NewRecipient(addr)
if err != nil {
s.send("501 Bad recipient address syntax")
s.logger.Warn().Msgf("Bad address as RCPT arg: %q, %s", addr, err)
return
}
if len(s.recipients) >= s.server.config.MaxRecipients {
if len(s.recipients) >= s.config.MaxRecipients {
s.logger.Warn().Msgf("Maximum limit of %v recipients reached",
s.server.config.MaxRecipients)
s.config.MaxRecipients)
s.send(fmt.Sprintf("552 Maximum limit of %v recipients reached",
s.server.config.MaxRecipients))
s.config.MaxRecipients))
return
}
s.recipients = append(s.recipients, recip)
@@ -381,10 +381,10 @@ func (s *Session) dataHandler() {
if recip.ShouldStore() {
// Generate Received header.
prefix := fmt.Sprintf("Received: from %s ([%s]) by %s\r\n for <%s>; %s\r\n",
s.remoteDomain, s.remoteHost, s.server.config.Domain, recip.Address.Address,
s.remoteDomain, s.remoteHost, s.config.Domain, recip.Address.Address,
tstamp)
// Deliver message.
_, err := s.server.manager.Deliver(
_, err := s.manager.Deliver(
recip, s.from, s.recipients, prefix, msgBuf.Bytes())
if err != nil {
s.logger.Error().Msgf("delivery for %v: %v", recip.LocalPart, err)
@@ -405,7 +405,7 @@ func (s *Session) dataHandler() {
lineBuf = lineBuf[1:]
}
msgBuf.Write(lineBuf)
if msgBuf.Len() > s.server.config.MaxMessageBytes {
if msgBuf.Len() > s.config.MaxMessageBytes {
s.send("552 Maximum message size exceeded")
s.logger.Warn().Msgf("Max message size exceeded while in DATA")
s.reset()
@@ -420,12 +420,12 @@ func (s *Session) enterState(state State) {
}
func (s *Session) greet() {
s.send(fmt.Sprintf("220 %v Inbucket SMTP ready", s.server.config.Domain))
s.send(fmt.Sprintf("220 %v Inbucket SMTP ready", s.config.Domain))
}
// nextDeadline calculates the next read or write deadline based on configured timeout.
func (s *Session) nextDeadline() time.Time {
return time.Now().Add(s.server.config.Timeout)
return time.Now().Add(s.config.Timeout)
}
// Send requested message, store errors in Session.sendError