> attached are notes for Norman
Below ...
--- Noel
-------------------------------------------------------------------------
loop:
handler.call(session)
if (session.responseCode != 0) break;
endloop
while handler.call(session) != false handler = next();
interface CommandsHandler {
Map getCommands();
}
MyHandler implements ConnectionHandler, CommandsHandler, MessageHandler {
onConnection(...) { do onConnection processing }
onMessage(...) { do onMessage processing }
Map getCommands(...) {
mailFromCmd = new CommandHandler() {
onCommand(...) {
do MAIL FROM processing
}
}
rcptCmd = new CommandHandler() {
onCommand(...) {
do RCPT TO processing
}
}
map.add("MAIL", mailFromCmd);
map.add ("RCPT", rcptCmd);
return map;
}
}
NormanHeloFilter implements CommandHandler {
onCommand(...) {
if (session.getCurrentCommand() == "HELO") { do HELO processing}
else if (session.getCurrentCommand() == "EHLO") { do slighly
different
EHLO processing }
else log ("This command handler does not IMPLEMENT " +
session.getCurrentCommand() + ". Please fix.");
}
}
SPFHandler implements CommandHandler, MessageHandler {
onCommand(SMTPSession) { ...
session.getState().put("org.apache.james.jspf.header", ...); }
onMessage(SMTPSession) { ... add header to message ... }
}
<handlerClain>
<maxmessagesize>
<verifyIdentity>
<attribute name="maxmessagesize" value"0"/>
<attribute name="heloEhloEnforcement" value="true"/>
<attribute name="verifyIdentity" value="true" />
<handler class="org.apache.james.smtpserver.SyntaxChecker"/>
<handler.class="org.apache.james.smtpserver.rbldnschecker">
<rblservers>
<whitelist> query.bondedsender.org </whitelist>
<blacklist> sbl-xbl.spamhaus.org </blacklist>
<blacklist> list.dsbl.org </blacklist>
<blacklist> dul.dnsbl.sorbs.net </blacklist>
<blacklist> relays.ordb.org </blacklist>
</rblservers>
</handler>
<handler class="de.norman.NormanHeloFilter" onCommand="HELO,EHLO"/>
<handler class="org.apache.james.smtpserver.spfHandler" onCommand="MAIL">
<attribute name="softfail" value="true"/>
</handler>
<handler class="org.apache.james.smtpserver.basecommands"/>
</handlerChain>
chainBuilder:
aHandler = class.newInstance();
if (aHandler instanceof ConnectionHandler) add to connection handler chain
if (aHandler instanceof MessageHandler) add to message handler chain
if (aHandler instanceof CommandsHandlers) {
get commands
loop through commands
for each command, add to that command's handler chain
}
if (aHandler instance of CommandHandler) {
get list of commands
add handler to each chain
}
MyHandler implements ConnectionHandler, CommandHandlers {
onConnection(...) { INIT THE SESSION }
Map getCommands(...) { ... }
}
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