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/*
Copyright (C) 2000-2005 SKYRIX Software AG
This file is part of SOPE.
SOPE is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public
License along with SOPE; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include "NGMimeHeaderFieldGenerator.h"
#include "NGMimeHeaderFields.h"
#include "common.h"
#include <string.h>
@implementation NGMimeContentDispositionHeaderFieldGenerator
- (NSData *)generateDataForHeaderFieldNamed:(NSString *)_headerField
value:(id)_value
{
NGMimeContentDispositionHeaderField *field;
NSString *tmp;
NSMutableData *data;
field = _value;
if (field == nil) {
[self logWithFormat:@"WARNING(%s): Content-Disposition field is empty",
__PRETTY_FUNCTION__];
return [NSData data];
}
if ([_value isKindOfClass:[NSString class]])
return [_value dataUsingEncoding:NSUTF8StringEncoding];
// TODO: move the stuff below to some NSString or NSData category?
data = [NSMutableData dataWithCapacity: 64];
tmp = [field type];
[data appendBytes:[tmp cString] length:[tmp length]];
tmp = [field filename];
if (tmp != nil) {
[data appendBytes:"; " length:2];
[data appendBytes:"filename=\"" length:10];
const char* bytes;
unsigned length;
int cnt;
BOOL doEnc;
//d = [tmp dataUsingEncoding: NSUTF8StringEncoding];
//bytes = [d bytes];
//length = [d length];
bytes = [tmp cStringUsingEncoding: NSUTF8StringEncoding];
length = strlen(bytes);
cnt = 0;
doEnc = NO;
while (cnt < length) {
if ((unsigned char)bytes[cnt] > 127) {
doEnc = YES;
break;
}
cnt++;
}
if (doEnc)
{
char iso[] = "=?utf-8?q?";
unsigned isoLen = 10;
char isoEnd[] = "?=";
unsigned isoEndLen = 2;
int desLen;
char *des;
bytes = [[tmp stringByReplacingOccurrencesOfString:@"\\\"" withString:@"\""] cStringUsingEncoding: NSUTF8StringEncoding];
length = strlen(bytes);
desLen = length * 3 + 20;
des = calloc(desLen + 2, sizeof(char));
memcpy(des, iso, isoLen);
desLen = NGEncodeQuotedPrintableMime((unsigned char *)bytes, length,
(unsigned char *)(des + isoLen),
desLen - isoLen);
if (desLen != -1) {
memcpy(des + isoLen + desLen, isoEnd, isoEndLen);
[data appendBytes:des length:(isoLen + desLen + isoEndLen)];
}
else {
[self logWithFormat:@"WARNING(%s:%i): An error occour during "
@"quoted-printable decoding",
__PRETTY_FUNCTION__, __LINE__];
if (des != NULL) free(des);
}
}
else
{
[data appendBytes:[tmp cString] length:[tmp length]];
}
[data appendBytes:"\"" length:1];
}
return data;
}
@end /* NGMimeContentDispositionHeaderFieldGenerator */
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