src/r_saved_message.cc

   1 ///
   2 /// \file       r_saved_message.cc
   3 ///             Blackberry database record parser class for saved email
   4 ///             message records.
   5 ///
   6
   7 /*
   8     Copyright (C) 2005-2007, Net Direct Inc. (http://www.netdirect.ca/)
   9     Copyright (C) 2005-2007, Brian Edginton (edge@edginton.net)
  10
  11     This program is free software; you can redistribute it and/or modify
  12     it under the terms of the GNU General Public License as published by
  13     the Free Software Foundation; either version 2 of the License, or
  14     (at your option) any later version.
  15
  16     This program is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  19
  20     See the GNU General Public License in the COPYING file at the
  21     root directory of this project for more details.
  22 */
  23
  24 #include "r_saved_message.h"
  25 #include "record-internal.h"
  26 #include "protocol.h"
  27 #include "protostructs.h"
  28 #include "data.h"
  29 #include "time.h"
  30 #include "error.h"
  31 #include "endian.h"
  32 #include <ostream>
  33 #include <iomanip>
  34 #include <time.h>
  35 #include <stdexcept>
  36
  37 #define __DEBUG_MODE__
  38 #include "debug.h"
  39
  40 using namespace std;
  41 using namespace Barry::Protocol;
  42
  43 namespace Barry {
  44
  45 ///////////////////////////////////////////////////////////////////////////////
  46 // Message class
  47
  48
  49 // Email / message field codes
  50 #define SEMFC_TO                0x01            // can occur multiple times
  51 #define SEMFC_CC                0x02            // ditto
  52 #define SEMFC_BCC               0x03            // ditto
  53 #define SEMFC_SENDER            0x04
  54 #define SEMFC_FROM              0x05
  55 #define SEMFC_REPLY_TO          0x06
  56 #define SEMFC_SUBJECT           0x0b
  57 #define SEMFC_BODY              0x0c
  58 #define SEMFC_ATTACHMENT        0x16
  59 #define SEMFC_RECORDID          0x4b
  60 #define SEMFC_END               0xffff
  61
  62 #define PRIORITY_MASK           0x003f
  63 #define PRIORITY_HIGH           0x0008
  64 #define PRIORITY_LOW            0x0002
  65
  66 #define SENSITIVE_MASK          0xff80
  67 #define SENSITIVE_CONFIDENTIAL  0x0100
  68 #define SENSITIVE_PERSONAL      0x0080
  69 #define SENSITIVE_PRIVATE       0x0040  // actual pattern is 0x00C0
  70
  71 #define MESSAGE_READ            0x0800
  72 #define MESSAGE_REPLY           0x0001
  73 #define MESSAGE_SAVED           0x0002
  74 #define MESSAGE_FORWARD         0x0008
  75 #define MESSAGE_TRUNCATED       0x0020
  76 #define MESSAGE_SAVED_DELETED   0x0080
  77
  78 FieldLink<SavedMessage> SavedMessageFieldLinks[] = {
  79    { SEMFC_TO,         "To",          0, 0,    0, &SavedMessage::To, 0 },
  80    { SEMFC_CC,         "Cc",          0, 0,    0, &SavedMessage::Cc, 0 },
  81    { SEMFC_BCC,        "Bcc",         0, 0,    0, &SavedMessage::Bcc, 0 },
  82    { SEMFC_SENDER,     "Sender",      0, 0,    0, &SavedMessage::Sender, 0 },
  83    { SEMFC_FROM,       "From",        0, 0,    0, &SavedMessage::From, 0 },
  84    { SEMFC_REPLY_TO,   "ReplyTo",     0, 0,    0, &SavedMessage::ReplyTo, 0 },
  85    { SEMFC_SUBJECT,    "Subject",     0, 0,    &SavedMessage::Subject, 0, 0 },
  86    { SEMFC_BODY,       "Body",        0, 0,    &SavedMessage::Body, 0, 0 },
  87    { SEMFC_ATTACHMENT, "Attachment",  0, 0,    &SavedMessage::Attachment, 0, 0 },
  88    { SEMFC_END,        "End of List", 0, 0,    0, 0, 0 }
  89 };
  90
  91 SavedMessage::SavedMessage()
  92 {
  93         Clear();
  94 }
  95
  96 SavedMessage::~SavedMessage()
  97 {
  98 }
  99
 100 const unsigned char* SavedMessage::ParseField(const unsigned char *begin,
 101                                               const unsigned char *end)
 102 {
 103         const CommonField *field = (const CommonField *) begin;
 104
 105         // advance and check size
 106         begin += COMMON_FIELD_HEADER_SIZE + btohs(field->size);
 107         if( begin > end )               // if begin==end, we are ok
 108                 return begin;
 109
 110         if( !btohs(field->size) )       // if field has no size, something's up
 111                 return begin;
 112
 113         // cycle through the type table
 114         for(    FieldLink<SavedMessage> *b = SavedMessageFieldLinks;
 115                 b->type != SEMFC_END;
 116                 b++ )
 117         {
 118                 if( b->type == field->type ) {
 119                         if( b->strMember ) {
 120                                 // parse regular string
 121                                 std::string &s = this->*(b->strMember);
 122                                 s = ParseFieldString(field);
 123                                 return begin;   // done!
 124                         }
 125                         else if( b->addrMember ) {
 126                                 // parse email address
 127                                 // get dual name+addr string first
 128                                 const char *fa = (const char*)field->u.addr.addr;
 129                                 std::string dual(fa, btohs(field->size) - sizeof(field->u.addr.unknown));
 130
 131                                 // assign first string, using null terminator...letting std::string add it for us if it doesn't exist
 132                                 EmailAddress &a = this->*(b->addrMember);
 133                                 a.Name = dual.c_str();
 134
 135                                 // assign second string, using first size as starting point
 136                                 a.Email = dual.c_str() + a.Name.size() + 1;
 137                                 return begin;
 138                         }
 139                 }
 140         }
 141
 142         // handle special cases
 143         switch( field->type )
 144         {
 145         case SEMFC_RECORDID:
 146                 MessageRecordId = btohl(field->u.uint32);
 147                 return begin;
 148         }
 149
 150         // if still not handled, add to the Unknowns list
 151         UnknownField uf;
 152         uf.type = field->type;
 153         uf.data.assign((const char*)field->u.raw, btohs(field->size));
 154         Unknowns.push_back(uf);
 155
 156         return begin;
 157 }
 158
 159 void SavedMessage::ParseHeader(const Data &data, size_t &offset)
 160 {
 161         Protocol::CheckSize(data, offset + MESSAGE_RECORD_HEADER_SIZE);
 162
 163         MAKE_RECORD(const Barry::Protocol::MessageRecord, mr, data, offset);
 164
 165         // Priority
 166         MessagePriority = NormalPriority;
 167
 168         uint16_t priority = btohs(mr->priority);  // deal with endian swap once
 169         if( priority & PRIORITY_MASK ) {
 170                 if( priority & PRIORITY_HIGH ) {
 171                         MessagePriority = HighPriority;
 172                 }
 173                 else if( priority & PRIORITY_LOW ) {
 174                         MessagePriority = LowPriority;
 175                 }
 176                 else
 177                         MessagePriority = UnknownPriority;
 178         }
 179         // Sensitivity
 180         MessageSensitivity = NormalSensitivity;
 181         if( priority & SENSITIVE_MASK ) {
 182                 if(( priority & SENSITIVE_CONFIDENTIAL ) == SENSITIVE_CONFIDENTIAL ) {
 183                         MessageSensitivity = Confidential;
 184                 }
 185                 else if(( priority & SENSITIVE_PRIVATE ) == SENSITIVE_PRIVATE ) {
 186                         MessageSensitivity = Private;
 187                 }
 188                 else if(( priority & SENSITIVE_PERSONAL ) == SENSITIVE_PERSONAL ) {
 189                         MessageSensitivity = Personal;
 190                 }
 191                 else
 192                         MessageSensitivity = UnknownSensitivity;
 193         }
 194         // X-rim-org-message-ref-id             // NOTE: I'm cheating a bit here and using this as a reply-to
 195         if( mr->inReplyTo )                     // It's actually sent by BB with the actual UID in every message
 196                 MessageReplyTo = btohl(mr->inReplyTo);
 197
 198         // Status Flags
 199         uint32_t flags = btohl(mr->flags);
 200         if( !( flags & MESSAGE_READ ))
 201                 MessageRead = true;             // NOTE: A lot of these flags are 'backwards' but this seemed
 202                                                 // like the most logical way to interpret them for now
 203         if(( flags & MESSAGE_REPLY ) == MESSAGE_REPLY )
 204                 MessageReply = true;            // NOTE: This is a reply, the original message's flags are not changed
 205                                                 // the inReplyTo field is updated with the original messages's UID
 206         if( !( flags & MESSAGE_TRUNCATED ))
 207                 MessageTruncated = true;        // NOTE: This bit is unset on truncation, around 4096 on my 7100g
 208                                                 // NOTE: bit 0x400 is set on REALLY huge messages, haven't tested
 209                                                 //       the exact size yet
 210         if( !( flags & MESSAGE_SAVED ))
 211                 MessageSaved = true;            // NOTE: Saved to 'saved' folder
 212         if( !( flags & MESSAGE_SAVED_DELETED ))
 213                 MessageSavedDeleted = true;     // NOTE: Saved to 'saved' folder and then deleted from inbox
 214
 215         MessageDateSent = Message2Time(mr->dateSent, mr->timeSent);
 216         MessageDateReceived = Message2Time(mr->dateReceived, mr->timeReceived);
 217
 218         offset += MESSAGE_RECORD_HEADER_SIZE;
 219 }
 220
 221 void SavedMessage::ParseFields(const Data &data, size_t &offset)
 222 {
 223         const unsigned char *finish = ParseCommonFields(*this,
 224                 data.GetData() + offset, data.GetData() + data.GetSize());
 225         offset += finish - (data.GetData() + offset);
 226 }
 227
 228 void SavedMessage::BuildHeader(Data &data, size_t &offset) const
 229 {
 230         throw std::logic_error("SavedMessage::BuildHeader not yet implemented");
 231 }
 232
 233 void SavedMessage::BuildFields(Data &data, size_t &offset) const
 234 {
 235         throw std::logic_error("SavedMessage::BuildFields not yet implemented");
 236 }
 237
 238 void SavedMessage::Clear()
 239 {
 240         From.clear();
 241         To.clear();
 242         Cc.clear();
 243         Bcc.clear();
 244         Sender.clear();
 245         ReplyTo.clear();
 246         Subject.clear();
 247         Body.clear();
 248         Attachment.clear();
 249
 250         MessageRecordId = 0;
 251         MessageReplyTo = 0;
 252         MessageDateSent = 0;
 253         MessageDateReceived = 0;
 254         MessageTruncated = false;
 255         MessageRead = false;
 256         MessageReply = false;
 257         MessageSaved = false;
 258         MessageSavedDeleted = false;
 259         Unknowns.clear();
 260 }
 261
 262 // dump message in mbox format
 263 void SavedMessage::Dump(std::ostream &os) const
 264 {
 265         static const char *MessageImportance[] =
 266                 { "Low", "Normal", "High", "Unknown Priority" };
 267         static const char *MessageSensitivityString[] =
 268                 { "Normal", "Personal", "Private", "Confidential", "Unknown Sensivity" };
 269
 270         os << "From " << (From.Email.size() ? From.Email.c_str() : "unknown")
 271            << "  " << ctime( &MessageDateSent );
 272         os << "X-Record-ID: (" << setw(8) << std::hex << MessageRecordId << ")\n";
 273         if( MessageReplyTo )
 274                 os << "X-rim-org-msg-ref-id: " << std::dec << MessageReplyTo << "\n";
 275         if( MessageSaved )
 276                 os << "Message Status: Saved\n";
 277         else if( MessageRead )
 278                 os << "Message Status: Opened\n";
 279         if( MessagePriority != NormalPriority )
 280                 os << "Importance: " << MessageImportance[MessagePriority] << "\n";
 281         if( MessageSensitivity != NormalSensitivity )
 282                 os << "Sensitivity: " << MessageSensitivityString[MessageSensitivity] << "\n";
 283         os << "Date: " << ctime(&MessageDateSent);
 284         os << "From: " << From << "\n";
 285         if( To.Email.size() )
 286                 os << "To: " << To << "\n";
 287         if( Cc.Email.size() )
 288                 os << "Cc: " << Cc << "\n";
 289         if( Bcc.Email.size() )
 290                 os << "Bcc: " << Bcc << "\n";
 291         if( Sender.Email.size() )
 292                 os << "Sender: " << Sender << "\n";
 293         if( ReplyTo.Email.size())
 294                 os << "Reply To: " << ReplyTo << "\n";
 295         if( Subject.size() )
 296                 os << "Subject: " << Subject << "\n";
 297         os << "\n";
 298         for(    std::string::const_iterator i = Body.begin();
 299                 i != Body.end() && *i;
 300                 i++)
 301         {
 302                 if( *i == '\r' )
 303                         os << '\n';
 304                 else
 305                         os << *i;
 306         }
 307         os << "\n";
 308         if( Attachment.size() )
 309                 os << "Attachments: " << Attachment << "\n";
 310
 311         os << Unknowns;
 312         os << "\n\n";
 313 }
 314
 315
 316 } // namespace Barry
 317