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  // $Id$
  22
  23 #ifndef __NGImap4Message_BodyStructure_H__
  24 #define __NGImap4Message_BodyStructure_H__
  25
  26
  27 @interface NSCalendarDate(RFC822Dates)
  28 + (NSCalendarDate *)calendarDateWithRfc822DateString:(NSString *)_str;
  29 @end /* NSString(RFC822Dates) */
  30
  31 @interface NGImap4Message(BodyStructure)
  32
  33 static id _buildMultipartMessage(id self, NSURL *_baseUrl, NSDictionary *_dict,
  34                                  id<NGMimePart>_part);
  35 static id _buildMessage(id self, NSURL *_baseUrl, NSDictionary *_dict);
  36 static id _buildPart(id self, NSURL *_baseUrl, NSDictionary *_dict);
  37 static id _buildMimeBodyPart(id self, NSDictionary *_dict);
  38 static id _buildMimeMessageBody(id self, NSURL *_baseUrl, NSDictionary *_dict,
  39                                 id<NGMimePart>_part);
  40 @end  /* NGImap4Message(BodyStructure) */
  41
  42 @implementation NGImap4Message(BodyStructure)
  43
  44 static id _buildMultipartMessage(id self, NSURL *_baseUrl, NSDictionary *_dict,
  45                                  id<NGMimePart>_part) {
  46   NGMimeMultipartBody *body;
  47   NSEnumerator        *enumerator;
  48   NSDictionary        *part;
  49   int                 cnt;
  50
  51   body = [[NGMimeMultipartBody alloc] initWithPart:_part];
  52   enumerator = [[_dict objectForKey:@"parts"] objectEnumerator];
  53
  54   cnt = 1;
  55   while ((part = [enumerator nextObject])) {
  56     NSURL *url;
  57
  58     {
  59       NSString *baseStr;
  60
  61       baseStr = [_baseUrl absoluteString];
  62
  63       if ([baseStr hasSuffix:@"="])
  64         url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%d",
  65                                              baseStr, cnt]];
  66       else
  67         url = [NSURL URLWithString:[NSString stringWithFormat:@"%@.%d",
  68                                              baseStr, cnt]];
  69     }
  70     [body addBodyPart:_buildPart(self, url, part)];
  71     cnt++;
  72   }
  73   return [body autorelease];
  74 }
  75
  76 static id _buildMessage(id self, NSURL *_baseUrl, NSDictionary *_dict) {
  77   NGMutableHashMap *map;
  78   NGMimeMessage    *message;
  79   NSString         *value;
  80
  81   static NGMimeHeaderNames *Fields = NULL;
  82
  83   if (!Fields)
  84     Fields = (NGMimeHeaderNames *)[NGMimePartParser headerFieldNames];
  85
  86
  87   map = [NGMutableHashMap hashMapWithCapacity:4];
  88
  89   if ((value = [_dict objectForKey:@"subject"])) {
  90     [map setObject:value forKey:Fields->subject];
  91   }
  92   if ((value = [_dict objectForKey:@"messageId"])) {
  93     [map setObject:value forKey:Fields->messageID];
  94   }
  95   if ((value = [_dict objectForKey:@"in-reply-to"])) {
  96     [map setObject:value forKey:@"in-reply-to"];
  97   }
  98   if ((value = [_dict objectForKey:Fields->contentLength])) {
  99     [map setObject:value forKey:Fields->contentLength];
 100   }
 101   if ((value = [_dict objectForKey:@"date"])) {
 102     NSCalendarDate *d;
 103
 104     if ((d = [NSCalendarDate calendarDateWithRfc822DateString:value]))
 105       [map setObject:d forKey:Fields->date];
 106   }
 107   {
 108     NSEnumerator   *enumerator;
 109     id             obj;
 110     static NSArray *Array = nil;
 111
 112     if (Array == nil) {
 113       Array = [[NSArray alloc] initWithObjects:
 114                                Fields->from,
 115                                @"sender",
 116                                Fields->replyTo,
 117                                Fields->to,
 118                                Fields->cc,
 119                                @"bcc", nil];
 120     }
 121     enumerator = [Array objectEnumerator];
 122     while ((obj = [enumerator nextObject])) {
 123       NSArray *addrs;
 124
 125       if ((addrs = [_dict objectForKey:obj])) {
 126         NSEnumerator *addrEnum;
 127         NSDictionary *addr;
 128         NSMutableString *str;
 129
 130         addrEnum = [addrs objectEnumerator];
 131         str      = nil;
 132         while ((addr = [addrEnum nextObject])) {
 133           NSString *personalName, *mailboxName, *hostName;
 134           if (!str) {
 135             str = [NSMutableString stringWithCapacity:32];
 136           }
 137           else {
 138             [str appendString:@", "];
 139           }
 140           personalName = [addr objectForKey:@"personalName"];
 141           mailboxName  = [addr objectForKey:@"mailboxName"];
 142           hostName     = [addr objectForKey:@"hostName"];
 143
 144           if ([personalName length]) {
 145             [str appendFormat:@"\"%@\" <%@@%@>", personalName,
 146                  mailboxName, hostName];
 147           }
 148           else {
 149             [str appendFormat:@"%@@%@", mailboxName, hostName];
 150           }
 151         }
 152         if (str)
 153           [map setObject:str forKey:obj];
 154       }
 155     }
 156   }
 157   {
 158     id part, tmp, body;
 159
 160     part = _buildPart(self, _baseUrl, [_dict objectForKey:@"body"]);
 161
 162     [map setObject:[part contentType] forKey:Fields->contentType];
 163
 164     if (![[map valueForKey:Fields->contentTransferEncoding] length]) {
 165       if ((tmp = [[part valuesOfHeaderFieldWithName:
 166                         Fields->contentTransferEncoding] nextObject])) {
 167         [map setObject:tmp forKey:Fields->contentTransferEncoding];
 168       }
 169     }
 170     if (![[map valueForKey:Fields->contentLength] intValue]) {
 171       if ((tmp = [[part valuesOfHeaderFieldWithName:Fields->contentLength]
 172                   nextObject])) {
 173         [map setObject:tmp forKey:Fields->contentLength];
 174       }
 175     }
 176     message = [NGMimeMessage messageWithHeader:map];
 177
 178     if ([(body = [part body]) isKindOfClass:[NSURL class]]) {
 179       NSString *baseStr;
 180
 181       baseStr = [body absoluteString];
 182
 183       if ([baseStr hasPrefix:@"="]) {
 184         body = [NSURL URLWithString:[NSString stringWithFormat:@"%@1",
 185                                               baseStr]];
 186       }
 187       else
 188         body = [NSURL URLWithString:[NSString stringWithFormat:@"%@.1",
 189                                               baseStr]];
 190     }
 191     [message setBody:body];
 192   }
 193   return message;
 194 }
 195
 196 static id _buildPart(id self, NSURL *_baseUrl, NSDictionary *_dict) {
 197   NSString       *type, *subType;
 198   NGMimeBodyPart *part;
 199   NSURL          *url;
 200
 201   url     = _baseUrl;
 202   type    = [[_dict objectForKey:@"type"] lowercaseString];
 203   subType = [[_dict objectForKey:@"subtype"] lowercaseString];
 204
 205   part = _buildMimeBodyPart(self, _dict);
 206
 207   if ([type isEqualToString:@"multipart"]) {
 208     [part setBody:_buildMultipartMessage(self, url, _dict, part)];
 209   }
 210   else if ([type isEqualToString:@"message"] &&
 211            [subType isEqualToString:@"rfc822"]) {
 212     [part setBody:_buildMessage(self, url, _dict)];
 213   }
 214   else {
 215     [part setBody:url];
 216   }
 217   return part;
 218 }
 219
 220 static id _buildMimeBodyPart(id self, NSDictionary *_dict)
 221 {
 222   NGMutableHashMap *dict;
 223   NSString         *value;
 224   NGMimeType       *type;
 225   static NGMimeHeaderNames *Fields = NULL;
 226
 227   if (!Fields)
 228     Fields = (NGMimeHeaderNames *)[NGMimePartParser headerFieldNames];
 229
 230
 231   dict = [NGMutableHashMap hashMapWithCapacity:8];
 232
 233   type = [NGMimeType mimeType:[[_dict objectForKey:@"type"] lowercaseString]
 234                      subType:[[_dict objectForKey:@"subtype"] lowercaseString]
 235                      parameters:[_dict objectForKey:@"parameterList"]];
 236
 237   [dict setObject:type forKey:Fields->contentType];
 238
 239   if (([value = [_dict objectForKey:@"bodyId"] length])) {
 240     [dict setObject:value forKey:Fields->messageID];
 241   }
 242
 243   if (([value = [_dict objectForKey:@"size"] length])) {
 244     [dict setObject:value forKey:Fields->contentLength];
 245   }
 246   if (([value = [_dict objectForKey:@"encoding"] length])) {
 247     [dict setObject:[value lowercaseString]
 248           forKey:Fields->contentTransferEncoding];
 249   }
 250   return [NGMimeBodyPart bodyPartWithHeader:dict];
 251 }
 252
 253
 254 static id _buildMimeMessageBody(id self, NSURL *_baseUrl, NSDictionary *_dict,
 255                                 id<NGMimePart>_part)
 256 {
 257   NSString *type, *subType;
 258   NSURL    *url;
 259   id       result;
 260
 261   type    = [[_dict objectForKey:@"type"] lowercaseString];
 262   subType = [[_dict objectForKey:@"subtype"] lowercaseString];
 263
 264   url = [NSURL URLWithString:[[_baseUrl absoluteString]
 265                                         stringByAppendingString:@"?part="]];
 266   if ([type isEqualToString:@"multipart"]) {
 267     result = _buildMultipartMessage(self, url, _dict, _part);
 268   }
 269   else {
 270     if ([type isEqualToString:@"message"] &&
 271         [subType isEqualToString:@"rfc822"]) {
 272       result = _buildMessage(self, url, _dict);
 273     }
 274     else {
 275       result = [NSURL URLWithString:[[_baseUrl absoluteString]
 276                                         stringByAppendingString:@"?part=1"]];
 277     }
 278   }
 279   return result;
 280 }
 281
 282 @end /* NGImap4Message(BodyStructure) */
 283
 284 #endif /* __NGImap4Message_BodyStructure_H__ */