2 Copyright (C) 2000-2005 SKYRIX Software AG
4 This file is part of SOPE.
6 SOPE is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with SOPE; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 #include "NGMimeBodyGenerator.h"
23 #include "NGMimePartGenerator.h"
24 #include "NGMimeMultipartBody.h"
25 #include "NGMimeJoinedData.h"
26 #include "NGMimeFileData.h"
30 @implementation NGMimeMultipartBodyGenerator
32 static Class NGMimeFileDataClass = Nil;
33 static Class NGMimeJoinedDataClass = Nil;
34 static BOOL debugOn = NO;
40 NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
42 NSAssert2([super version] == 2,
43 @"invalid superclass (%@) version %i !",
44 NSStringFromClass([self superclass]), [super version]);
46 NGMimeFileDataClass = [NGMimeFileData class];
47 NGMimeJoinedDataClass = [NGMimeJoinedData class];
49 debugOn = [ud boolForKey:@"NGMimeGeneratorDebugEnabled"];
51 NSLog(@"WARNING[%@]: NGMimeGeneratorDebugEnabled is enabled!", self);
54 + (NSString *)boundaryPrefix {
55 static NSString *BoundaryPrefix = nil;
57 if (BoundaryPrefix == nil) {
58 NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
60 [[ud stringForKey:@"NGMime_MultipartBoundaryPrefix"] copy];
61 if (BoundaryPrefix == nil)
62 BoundaryPrefix = @"--=_=-_OpenGroupware_org_NGMime";
64 return BoundaryPrefix;
67 static inline BOOL _isBoundaryInArray(NGMimeMultipartBodyGenerator *self,
71 const unsigned char *boundary;
73 NSEnumerator *enumerator;
77 // TODO: do we need to treat the boundary as a CString?
78 boundary = (const unsigned char *)[_boundary cString];
79 length = [_boundary length];
80 enumerator = [_data objectEnumerator];
84 while ((data = [enumerator nextObject]) != nil) {
85 const unsigned char *bytes;
89 if ([data isKindOfClass:NGMimeFileDataClass] ||
90 [data isKindOfClass:NGMimeJoinedDataClass])
94 dataLen = [data length];
100 while ((cnt < dataLen) && ((dataLen - cnt) >= length)) {
101 if (bytes[cnt + 2] != '-') { // can`t be a boundary
106 if (bytes[cnt] == '\n') {// LF*-
107 if (bytes[cnt + 1] == '-') { // LF--
108 if (strncmp((char *)boundary, (char *)(bytes+cnt+3), length) == 0) {
114 else if (bytes[cnt] == '\r') { //CR*-
115 if (bytes[cnt + 1] == '-') { //CR--
116 if (strncmp((char *)boundary, (char *)(bytes+cnt+3), length) == 0) {
121 else if ((bytes[cnt + 1] == '\n') && (bytes[cnt + 3] == '-')) {
122 if (strncmp((char*)boundary, (char *)(bytes+cnt+4), length)==0) { // CRLF--
134 - (NSString *)buildBoundaryForPart:(id<NGMimePart>)_part data:(NSArray *)_data
135 additionalHeaders:(NGMutableHashMap *)_addHeaders
137 static int BoundaryUniqueCount = 0;
138 NSString *boundary = nil;
142 if ((boundary = [[_part contentType] valueOfParameter:@"boundary"]))
145 #if defined(__WIN32__)
146 pid = GetCurrentProcessId();
151 boundary = [NSString stringWithFormat:
152 @"--%@-%d-%f-%d------",
153 [NGMimeMultipartBodyGenerator boundaryPrefix],
154 pid, [[NSDate date] timeIntervalSince1970],
155 BoundaryUniqueCount++];
157 isUnique = _isBoundaryInArray(self, boundary, _data) ? NO : YES;
159 boundary = [NSString stringWithFormat:
160 @"--%@-%d-%f-%d-----",
161 [NGMimeMultipartBodyGenerator boundaryPrefix],
162 pid, [[NSDate date] timeIntervalSince1970],
163 BoundaryUniqueCount++];
166 { // setting content-type with boundary
167 NGMimeType *type = nil;
169 type = [_part contentType];
174 d = [[NSDictionary alloc] initWithObjectsAndKeys:
175 boundary, @"boundary", nil];
176 type = [NGMimeType mimeType:@"multipart" subType:@"mixed"
181 NSMutableDictionary *dict = nil;
183 dict = [NSMutableDictionary dictionaryWithDictionary:
184 [type parametersAsDictionary]];
185 [dict setObject:boundary forKey:@"boundary"];
186 type = [NGMimeType mimeType:[type type] subType:[type subType]
189 [_addHeaders setObject:type forKey:@"content-type"];
194 - (NSData *)buildDataWithBoundary:(NSString *)_boundary
195 partsData:(NSArray *)_parts
197 NSEnumerator *enumerator;
201 data = (self->useMimeData)
202 ? [[[NGMimeJoinedData alloc] init] autorelease]
203 : [NSMutableData dataWithCapacity:4096];
205 enumerator = [_parts objectEnumerator];
206 while ((part = [enumerator nextObject])) {
207 [data appendBytes:"--" length:2];
208 [data appendBytes:[_boundary cString] length:[_boundary length]];
209 [data appendBytes:"\r\n" length:2];
210 [data appendData:part];
211 [data appendBytes:"\r\n" length:2];
213 [data appendBytes:"--" length:2];
214 [data appendBytes:[_boundary cString] length:[_boundary length]];
215 [data appendBytes:"--\r\n" length:4];
219 - (NSData *)generateBodyOfPart:(id<NGMimePart>)_part
220 additionalHeaders:(NGMutableHashMap *)_addHeaders
221 delegate:(id)_delegate
224 NGMimeMultipartBody *body = nil;
225 NSMutableData *data = nil;
227 NSArray *parts = nil;
228 id<NGMimePart> part = nil;
229 NSEnumerator *enumerator = nil;
230 NSString *boundary = nil;
231 NSMutableArray *partsData = nil;
232 NSAutoreleasePool *pool;
237 return [NSData data];
239 pool = [[NSAutoreleasePool alloc] init];
241 NSAssert1([body isKindOfClass:[NGMimeMultipartBody class]],
242 @"NGMimeMultipartBodyGenerator expect a NGMimeMultipartBody "
243 @"as body of part\n part: %@\n", _part);
245 data = (self->useMimeData)
246 ? [[[NGMimeJoinedData alloc] init] autorelease]
247 : [NSMutableData dataWithCapacity:4096];
249 if ([_delegate respondsToSelector:
250 @selector(multipartBodyGenerator:prefixForPart:)])
251 tmp = [_delegate multipartBodyGenerator:self prefixForPart:_part];
253 tmp = [self multipartBodyGenerator:self prefixForPart:_part
256 NSAssert([tmp isKindOfClass:[NSString class]],
257 @"prefix should be a NSString");
258 [data appendBytes:[tmp cString] length:[tmp length]];
261 parts = [body parts];
262 enumerator = [parts objectEnumerator];
263 partsData = [[NSMutableArray alloc] initWithCapacity:4];
265 while ((part = [enumerator nextObject]) != nil) {
266 id<NGMimePartGenerator> gen = nil;
269 if ([_delegate respondsToSelector:
270 @selector(multipartBodyGenerator:generatorForPart:)]) {
271 gen = [_delegate multipartBodyGenerator:self generatorForPart:part];
274 gen = [self multipartBodyGenerator:self generatorForPart:part];
275 [gen setDelegate:_delegate];
276 [(id)gen setUseMimeData:self->useMimeData];
279 [self logWithFormat:@"WARNING(%s): got no generator",
280 __PRETTY_FUNCTION__];
286 data = [gen generateMimeFromPart:part];
289 [self debugWithFormat:
290 @"multipart body generated %d bytes using %@ for part: %@",
291 [data length], gen, part];
293 [partsData addObject:data];
296 [self debugWithFormat:
297 @"multipart body %@ did not generate content for part: %@",
301 boundary = [self buildBoundaryForPart:_part data:partsData
302 additionalHeaders:_addHeaders];
303 tmp = [self buildDataWithBoundary:boundary partsData:partsData];
306 [data appendData:tmp];
309 NSLog(@"WARNING(%s): couldn`t build multipart data", __PRETTY_FUNCTION__);
311 if ([_delegate respondsToSelector:
312 @selector(multipartBodyGenerator:suffixForPart:)])
313 tmp = [_delegate multipartBodyGenerator:self suffixForPart:_part];
315 tmp = [self multipartBodyGenerator:self suffixForPart:_part
318 NSAssert([tmp isKindOfClass:[NSString class]],
319 @"suffix should be a NSString");
320 [data appendBytes:[tmp cString] length:[tmp length]];
322 [partsData release]; partsData = nil;
325 return [data autorelease];
328 - (NSString *)multipartBodyGenerator:(NGMimeMultipartBodyGenerator *)_gen
329 prefixForPart:(id<NGMimePart>)_part
330 mimeMultipart:(NGMimeMultipartBody *)_body
332 return @""; // [_body prefix];
335 - (NSString *)multipartBodyGenerator:(NGMimeMultipartBodyGenerator *)_gen
336 suffixForPart:(id<NGMimePart>)_part
337 mimeMultipart:(NGMimeMultipartBody *)_body
339 return @""; //[_body suffix];
342 - (id<NGMimePartGenerator>)multipartBodyGenerator:(NGMimeBodyGenerator *)_gen
343 generatorForPart:(id<NGMimePart>)_part
347 gen = [[NGMimePartGenerator alloc] init];
348 [gen setUseMimeData:self->useMimeData];
349 return [gen autorelease];
354 - (BOOL)isDebuggingEnabled {
358 @end /* NGMimeMultipartBodyGenerator */