err.no Git - sope/blob - sope-mime/NGImap4/NGImap4Message+BodyStructure.h

   1 /*
   2   Copyright (C) 2000-2004 SKYRIX Software AG
   3
   4   This file is part of OpenGroupware.org.
   5
   6   OGo 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
   9   later version.
  10
  11   OGo 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.
  15
  16   You should have received a copy of the GNU Lesser General Public
  17   License along with OGo; see the file COPYING.  If not, write to the
  18   Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19   02111-1307, USA.
  20 */
  21
  22 #ifndef __NGImap4Message_BodyStructure_H__
  23 #define __NGImap4Message_BodyStructure_H__
  24
  25 @interface NSCalendarDate(RFC822Dates)
  26 + (NSCalendarDate *)calendarDateWithRfc822DateString:(NSString *)_str;
  27 @end /* NSString(RFC822Dates) */
  28
  29 @interface NGImap4Message(BodyStructure)
  30
  31 static id _buildMultipartMessage(id self, NSURL *_baseUrl, NSDictionary *_dict,
  32                                  id<NGMimePart>_part);
  33 static id _buildMessage(id self, NSURL *_baseUrl, NSDictionary *_dict);
  34 static id _buildPart(id self, NSURL *_baseUrl, NSDictionary *_dict);
  35 static id _buildMimeBodyPart(id self, NSDictionary *_dict);
  36 static id _buildMimeMessageBody(id self, NSURL *_baseUrl, NSDictionary *_dict,
  37                                 id<NGMimePart>_part);
  38 @end  /* NGImap4Message(BodyStructure) */
  39
  40 @implementation NGImap4Message(BodyStructure)
  41
  42 static id _buildMultipartMessage(id self, NSURL *_baseUrl, NSDictionary *_dict,
  43                                  id<NGMimePart>_part) {
  44   NGMimeMultipartBody *body;
  45   NSEnumerator        *enumerator;
  46   NSDictionary        *part;
  47   int                 cnt;
  48
  49   body = [[NGMimeMultipartBody alloc] initWithPart:_part];
  50   enumerator = [[_dict objectForKey:@"parts"] objectEnumerator];
  51
  52   cnt = 1;
  53   while ((part = [enumerator nextObject])) {
  54     NSURL *url;
  55
  56     {
  57       NSString *baseStr;
  58
  59       baseStr = [_baseUrl absoluteString];
  60
  61       if ([baseStr hasSuffix:@"="])
  62         url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%d",
  63                                              baseStr, cnt]];
  64       else
  65         url = [NSURL URLWithString:[NSString stringWithFormat:@"%@.%d",
  66                                              baseStr, cnt]];
  67     }
  68     [body addBodyPart:_buildPart(self, url, part)];
  69     cnt++;
  70   }
  71   return [body autorelease];
  72 }
  73
  74 static id _buildMessage(id self, NSURL *_baseUrl, NSDictionary *_dict) {
  75   NGMutableHashMap *map;
  76   NGMimeMessage    *message;
  77   NSString         *value;
  78
  79   static NGMimeHeaderNames *Fields = NULL;
  80
  81   if (!Fields)
  82     Fields = (NGMimeHeaderNames *)[NGMimePartParser headerFieldNames];
  83
  84
  85   map = [NGMutableHashMap hashMapWithCapacity:4];
  86
  87   if ((value = [_dict objectForKey:@"subject"])) {
  88     [map setObject:value forKey:Fields->subject];
  89   }
  90   if ((value = [_dict objectForKey:@"messageId"])) {
  91     [map setObject:value forKey:Fields->messageID];
  92   }
  93   if ((value = [_dict objectForKey:@"in-reply-to"])) {
  94     [map setObject:value forKey:@"in-reply-to"];
  95   }
  96   if ((value = [_dict objectForKey:Fields->contentLength])) {
  97     [map setObject:value forKey:Fields->contentLength];
  98   }
  99   if ((value = [_dict objectForKey:@"date"])) {
 100     NSCalendarDate *d;
 101
 102     if ((d = [NSCalendarDate calendarDateWithRfc822DateString:value]))
 103       [map setObject:d forKey:Fields->date];
 104   }
 105   {
 106     NSEnumerator   *enumerator;
 107     id             obj;
 108     static NSArray *Array = nil;
 109
 110     if (Array == nil) {
 111       Array = [[NSArray alloc] initWithObjects:
 112                                Fields->from,
 113                                @"sender",
 114                                Fields->replyTo,
 115                                Fields->to,
 116                                Fields->cc,
 117                                @"bcc", nil];
 118     }
 119     enumerator = [Array objectEnumerator];
 120     while ((obj = [enumerator nextObject])) {
 121       NSArray *addrs;
 122
 123       if ((addrs = [_dict objectForKey:obj])) {
 124         NSEnumerator *addrEnum;
 125         NSDictionary *addr;
 126         NSMutableString *str;
 127
 128         addrEnum = [addrs objectEnumerator];
 129         str      = nil;
 130         while ((addr = [addrEnum nextObject])) {
 131           NSString *personalName, *mailboxName, *hostName;
 132           if (!str) {
 133             str = [NSMutableString stringWithCapacity:32];
 134           }
 135           else {
 136             [str appendString:@", "];
 137           }
 138           personalName = [addr objectForKey:@"personalName"];
 139           mailboxName  = [addr objectForKey:@"mailboxName"];
 140           hostName     = [addr objectForKey:@"hostName"];
 141
 142           if ([personalName length]) {
 143             [str appendFormat:@"\"%@\" <%@@%@>", personalName,
 144                  mailboxName, hostName];
 145           }
 146           else {
 147             [str appendFormat:@"%@@%@", mailboxName, hostName];
 148           }
 149         }
 150         if (str)
 151           [map setObject:str forKey:obj];
 152       }
 153     }
 154   }
 155   {
 156     id part, tmp, body;
 157
 158     part = _buildPart(self, _baseUrl, [_dict objectForKey:@"body"]);
 159
 160     [map setObject:[part contentType] forKey:Fields->contentType];
 161
 162     if (![[map valueForKey:Fields->contentTransferEncoding] length]) {
 163       if ((tmp = [[part valuesOfHeaderFieldWithName:
 164                         Fields->contentTransferEncoding] nextObject])) {
 165         [map setObject:tmp forKey:Fields->contentTransferEncoding];
 166       }
 167     }
 168     if (![[map valueForKey:Fields->contentLength] intValue]) {
 169       if ((tmp = [[part valuesOfHeaderFieldWithName:Fields->contentLength]
 170                   nextObject])) {
 171         [map setObject:tmp forKey:Fields->contentLength];
 172       }
 173     }
 174     message = [NGMimeMessage messageWithHeader:map];
 175
 176     if ([(body = [part body]) isKindOfClass:[NSURL class]]) {
 177       NSString *baseStr;
 178
 179       baseStr = [body absoluteString];
 180
 181       if ([baseStr hasPrefix:@"="]) {
 182         body = [NSURL URLWithString:[NSString stringWithFormat:@"%@1",
 183                                               baseStr]];
 184       }
 185       else
 186         body = [NSURL URLWithString:[NSString stringWithFormat:@"%@.1",
 187                                               baseStr]];
 188     }
 189     [message setBody:body];
 190   }
 191   return message;
 192 }
 193
 194 static id _buildPart(id self, NSURL *_baseUrl, NSDictionary *_dict) {
 195   NSString       *type, *subType;
 196   NGMimeBodyPart *part;
 197   NSURL          *url;
 198
 199   url     = _baseUrl;
 200   type    = [[_dict objectForKey:@"type"] lowercaseString];
 201   subType = [[_dict objectForKey:@"subtype"] lowercaseString];
 202
 203   part = _buildMimeBodyPart(self, _dict);
 204
 205   if ([type isEqualToString:@"multipart"]) {
 206     [part setBody:_buildMultipartMessage(self, url, _dict, part)];
 207   }
 208   else if ([type isEqualToString:@"message"] &&
 209            [subType isEqualToString:@"rfc822"]) {
 210     [part setBody:_buildMessage(self, url, _dict)];
 211   }
 212   else {
 213     [part setBody:url];
 214   }
 215   return part;
 216 }
 217
 218 static id _buildMimeBodyPart(id self, NSDictionary *_dict)
 219 {
 220   NGMutableHashMap *dict;
 221   NSString         *value;
 222   NGMimeType       *type;
 223   static NGMimeHeaderNames *Fields = NULL;
 224
 225   if (!Fields)
 226     Fields = (NGMimeHeaderNames *)[NGMimePartParser headerFieldNames];
 227
 228
 229   dict = [NGMutableHashMap hashMapWithCapacity:8];
 230
 231   type = [NGMimeType mimeType:[[_dict objectForKey:@"type"] lowercaseString]
 232                      subType:[[_dict objectForKey:@"subtype"] lowercaseString]
 233                      parameters:[_dict objectForKey:@"parameterList"]];
 234
 235   [dict setObject:type forKey:Fields->contentType];
 236
 237   if (([value = [_dict objectForKey:@"bodyId"] length])) {
 238     [dict setObject:value forKey:Fields->messageID];
 239   }
 240
 241   if (([value = [_dict objectForKey:@"size"] length])) {
 242     [dict setObject:value forKey:Fields->contentLength];
 243   }
 244   if (([value = [_dict objectForKey:@"encoding"] length])) {
 245     [dict setObject:[value lowercaseString]
 246           forKey:Fields->contentTransferEncoding];
 247   }
 248   return [NGMimeBodyPart bodyPartWithHeader:dict];
 249 }
 250
 251
 252 static id _buildMimeMessageBody(id self, NSURL *_baseUrl, NSDictionary *_dict,
 253                                 id<NGMimePart>_part)
 254 {
 255   NSString *type, *subType;
 256   NSURL    *url;
 257   id       result;
 258
 259   type    = [[_dict objectForKey:@"type"] lowercaseString];
 260   subType = [[_dict objectForKey:@"subtype"] lowercaseString];
 261
 262   url = [NSURL URLWithString:[[_baseUrl absoluteString]
 263                                         stringByAppendingString:@"?part="]];
 264   if ([type isEqualToString:@"multipart"]) {
 265     result = _buildMultipartMessage(self, url, _dict, _part);
 266   }
 267   else {
 268     if ([type isEqualToString:@"message"] &&
 269         [subType isEqualToString:@"rfc822"]) {
 270       result = _buildMessage(self, url, _dict);
 271     }
 272     else {
 273       result = [NSURL URLWithString:[[_baseUrl absoluteString]
 274                                         stringByAppendingString:@"?part=1"]];
 275     }
 276   }
 277   return result;
 278 }
 279
 280 @end /* NGImap4Message(BodyStructure) */
 281
 282 #endif /* __NGImap4Message_BodyStructure_H__ */