2007-08-09 22:54:52 +02:00
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/* SOGoMailer.m - this file is part of SOGo
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*
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2008-08-18 17:21:23 +02:00
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* Copyright (C) 2007-2008 Inverse groupe conseil
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2007-08-09 22:54:52 +02:00
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*
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* Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#import <Foundation/NSArray.h>
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#import <Foundation/NSEnumerator.h>
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#import <Foundation/NSException.h>
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#import <Foundation/NSString.h>
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#import <Foundation/NSUserDefaults.h>
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#import <NGObjWeb/NSException+HTTP.h>
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#import <NGExtensions/NSObject+Logs.h>
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#import <NGMail/NGSendMail.h>
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#import <NGMail/NGSmtpClient.h>
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#import <NGMime/NGMimePartGenerator.h>
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#import "NSString+Utilities.h"
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#import "SOGoMailer.h"
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#define defaultMailingMechanism @"sendmail"
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#define defaultSMTPServer @"localhost"
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@implementation SOGoMailer
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+ (id) sharedMailer
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{
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static id sharedMailer = nil;
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if (!sharedMailer)
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sharedMailer = [self new];
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return sharedMailer;
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}
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- (id) init
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{
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NSUserDefaults *ud;
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if ((self = [super init]))
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{
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ud = [NSUserDefaults standardUserDefaults];
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mailingMechanism = [ud stringForKey: @"SOGoMailingMechanism"];
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if (mailingMechanism)
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{
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if (!([mailingMechanism isEqualToString: @"sendmail"]
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|| [mailingMechanism isEqualToString: @"smtp"]))
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{
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[self logWithFormat: @"mechanism '%@' is invalid and"
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@" should be set to 'sendmail' or 'smtp' instead",
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mailingMechanism];
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[self logWithFormat: @"falling back to default '%@' mechanism",
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defaultMailingMechanism];
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mailingMechanism = defaultMailingMechanism;
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}
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}
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else
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{
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[self logWithFormat: @"default mailing mechanism set to '%@'",
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defaultMailingMechanism];
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mailingMechanism = defaultMailingMechanism;
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}
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[mailingMechanism retain];
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if ([mailingMechanism isEqualToString: @"smtp"])
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{
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smtpServer = [ud stringForKey: @"SOGoSMTPServer"];
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if (!smtpServer)
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{
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[self logWithFormat: @"default smtp server set to '%@'",
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defaultSMTPServer];
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smtpServer = defaultSMTPServer;
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}
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[smtpServer retain];
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}
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else
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smtpServer = nil;
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}
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return self;
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}
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- (void) dealloc
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{
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[mailingMechanism release];
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[smtpServer release];
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[super dealloc];
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}
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- (NSException *) _sendmailSendData: (NSData *) mailData
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toRecipients: (NSArray *) recipients
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sender: (NSString *) sender
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{
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NSException *result;
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NGSendMail *mailer;
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mailer = [NGSendMail sharedSendMail];
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if ([mailer isSendMailAvailable])
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result = [mailer sendMailData: mailData
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toRecipients: recipients
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sender: sender];
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else
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result = [NSException exceptionWithHTTPStatus: 500
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reason: @"cannot send message:"
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@" no sendmail binary!"];
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return result;
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}
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- (NSException *) _sendMailData: (NSData *) mailData
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withClient: (NGSmtpClient *) client
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andRejections: (unsigned int) toErrors
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{
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NSException *result;
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if (toErrors > 0)
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[self logWithFormat: @"sending email despite address rejections"];
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if ([client sendData: mailData])
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result = nil;
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else
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result = [NSException exceptionWithHTTPStatus: 500
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reason: @"cannot send message:"
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@" (smtp) failure when sending data"];
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return result;
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}
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- (NSException *) _smtpSendData: (NSData *) mailData
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toRecipients: (NSArray *) recipients
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sender: (NSString *) sender
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{
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NGSmtpClient *client;
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NSEnumerator *addresses;
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NSString *currentTo;
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unsigned int toErrors;
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NSException *result;
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client = [NGSmtpClient smtpClient];
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if ([client connectToHost: smtpServer])
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{
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if ([client hello]
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&& [client mailFrom: sender])
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{
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toErrors = 0;
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addresses = [recipients objectEnumerator];
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currentTo = [addresses nextObject];
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while (currentTo)
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{
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if (![client recipientTo: [currentTo pureEMailAddress]])
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{
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[self logWithFormat: @"error with recipient '%@'", currentTo];
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toErrors++;
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}
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currentTo = [addresses nextObject];
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}
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if (toErrors == [recipients count])
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result = [NSException exceptionWithHTTPStatus: 500
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reason: @"cannot send message:"
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@" (smtp) all recipients discarded"];
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else
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result = [self _sendMailData: mailData withClient: client
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andRejections: toErrors];
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}
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else
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result = [NSException exceptionWithHTTPStatus: 500
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reason: @"cannot send message:"
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@" (smtp) error when connecting"];
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[client quit];
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[client disconnect];
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}
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return result;
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}
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- (NSException *) sendMailData: (NSData *) data
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toRecipients: (NSArray *) recipients
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sender: (NSString *) sender
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{
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NSException *result;
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if (![recipients count])
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result = [NSException exceptionWithHTTPStatus: 500
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reason: @"cannot send message: no recipients set"];
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else
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{
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if (![sender length])
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result = [NSException exceptionWithHTTPStatus: 500
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reason: @"cannot send message: no sender set"];
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else
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{
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if ([mailingMechanism isEqualToString: @"sendmail"])
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result = [self _sendmailSendData: data
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toRecipients: recipients
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sender: [sender pureEMailAddress]];
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else
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result = [self _smtpSendData: data
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toRecipients: recipients
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sender: [sender pureEMailAddress]];
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}
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}
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return result;
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}
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- (NSException *) sendMimePart: (id <NGMimePart>) part
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toRecipients: (NSArray *) recipients
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sender: (NSString *) sender
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{
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NSData *mailData;
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mailData = [[NGMimePartGenerator mimePartGenerator]
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generateMimeFromPart: part];
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return [self sendMailData: mailData
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toRecipients: recipients
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sender: sender];
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}
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- (NSException *) sendMailAtPath: (NSString *) filename
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toRecipients: (NSArray *) recipients
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sender: (NSString *) sender
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{
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NSException *result;
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NSData *mailData;
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mailData = [NSData dataWithContentsOfFile: filename];
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if ([mailData length] > 0)
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result = [self sendMailData: mailData
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toRecipients: recipients
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sender: sender];
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else
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result = [NSException exceptionWithHTTPStatus: 500
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reason: @"cannot send message: no data"
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@" (missing or empty file?)"];
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return nil;
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}
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@end
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