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185 lines
5.0 KiB
185 lines
5.0 KiB
//
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// CWSMTP+Protected.m
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// Pantomime
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//
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// Created by Andreas Buff on 06.09.17.
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// Copyright © 2017 pEp Security S.A. All rights reserved.
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//
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#import "CWSMTP+Protected.h"
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#import "CWService+Protected.h"
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#import <PantomimeFramework/CWMessage.h>
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#import "CWThreadSafeArray.h"
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#import <pEpIOSToolbox/PEPLogger.h>
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#import "NSData+Extensions.h"
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@implementation CWSMTP (Protected)
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//
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// This method returns the last response obtained from the SMTP
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// server. If the last command issued a multiline response, it'll return the
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// last text response and none of the previous ones.
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//
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- (NSData *) lastResponse
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{
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return [_responsesFromServer lastObject];
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}
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//
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// Same as -lastResponse except it does return only the response code.
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//
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- (int) lastResponseCode
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{
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if ([_responsesFromServer count] > 0)
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{
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return atoi([[[_responsesFromServer lastObject] subdataToIndex: 3] cString]);
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}
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return 0;
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}
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//
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// This method sends a SMTP command to the server.
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//
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// It automatically adds the trailing CRLF to every command.
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//
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// RFC2821:
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//
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// The SMTP commands define the mail transfer or the mail system
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// function requested by the user. SMTP commands are character strings
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// terminated by <CRLF>. The commands themselves are alphabetic
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// characters terminated by <SP> if parameters follow and <CRLF>
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// otherwise. (In the interest of improved interoperability, SMTP
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// receivers are encouraged to tolerate trailing white space before the
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// terminating <CRLF>.) The syntax of the local part of a mailbox must
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// conform to receiver site conventions and the syntax specified in
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// section 4.1.2. The SMTP commands are discussed below. The SMTP
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// replies are discussed in section 4.2.
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//
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// The following list of commands is supported:
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//
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// - EHLO / HELO
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// - MAIL
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// - RCPT
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// - DATA
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// - RSET
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// - QUIT
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//
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// Unimplemented commands:
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//
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// - VRFY
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// - EXPN
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// - HELP
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// - NOOP
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//
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- (void) sendCommand:(SMTPCommand)theCommand arguments:(NSString *)theFormat, ...
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{
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// If two calls to this method happen concurrently, one might empty the queue the other is
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// currenly using (causes |SENDING null|).
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@synchronized(self) {
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CWSMTPQueueObject *aQueueObject;
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if (theCommand == SMTP_EMPTY_QUEUE) {
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if ([_queue count]) {
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// We dequeue the first inserted command from the queue.
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aQueueObject = [_queue lastObject];
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if (!aQueueObject) {
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LogInfo(@"_queue has %lu objects", (unsigned long) _queue.count);
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for (NSObject *obj in _queue) {
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LogInfo(@"obj %@", obj);
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}
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LogInfo(@"aQueueObject nil");
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}
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} else {
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// The queue is empty, we have nothing more to do...
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return;
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}
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} else {
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va_list args;
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va_start(args, theFormat);
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NSString *aString = [[NSString alloc] initWithFormat: theFormat arguments: args];
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aQueueObject = [[CWSMTPQueueObject alloc] initWithCommand: theCommand
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arguments: aString];
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[_queue insertObject: aQueueObject atIndex: 0];
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// If we had queued commands, we return since we'll eventually
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// dequeue them one by one. Otherwise, we run it immediately.
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if ([_queue count] > 1) {
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return;
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}
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}
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if (aQueueObject) {
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BOOL isPrivate = NO;
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if ((aQueueObject->command == SMTP_AUTH_CRAM_MD5 ||
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aQueueObject->command == SMTP_AUTH_LOGIN ||
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aQueueObject->command == SMTP_AUTH_LOGIN_CHALLENGE ||
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aQueueObject->command == SMTP_AUTH_PLAIN) &&
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![aQueueObject->arguments hasPrefix:@"AUTH"]) {
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isPrivate = YES;
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}
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if (isPrivate) {
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LogInfo(@"Sending private data |*******|");
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} else {
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LogInfo(@"Sending |%@|", aQueueObject->arguments);
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}
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_lastCommand = aQueueObject->command;
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[self bulkWriteData:@[[aQueueObject->arguments
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dataUsingEncoding: _defaultCStringEncoding],
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_crlf]];
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} else {
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LogInfo(@"Sending with nil queue object");
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}
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}
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}
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//
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//
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//
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- (void) fail
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{
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if (_message) {
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PERFORM_SELECTOR_2(_delegate, @selector(messageNotSent:),
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PantomimeMessageNotSent,
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_message, @"Message");
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}
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else {
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PERFORM_SELECTOR_1(_delegate, @selector(messageNotSent:), PantomimeMessageNotSent);
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}
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}
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@end
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@implementation CWSMTPQueueObject
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//
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//
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//
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- (id) initWithCommand: (SMTPCommand) theCommand
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arguments: (NSString *) theArguments
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{
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self = [super init];
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command = theCommand;
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ASSIGN(arguments, theArguments);
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return self;
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}
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//
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//
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//
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- (void) dealloc
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{
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RELEASE(arguments);
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//[super dealloc];
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}
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@end
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