webcit/messages.c

   1 /*
   2  * $Id$
   3  *
   4  * Functions which deal with the fetching and displaying of messages.
   5  *
   6  */
   7
   8 #include "webcit.h"
   9 #include "webserver.h"
  10 #include "groupdav.h"
  11
  12 HashList *MsgHeaderHandler = NULL;
  13 HashList *MsgEvaluators = NULL;
  14 HashList *MimeRenderHandler = NULL;
  15 int dbg_analyze_msg = 0;
  16
  17 #define SUBJ_COL_WIDTH_PCT              50      /* Mailbox view column width */
  18 #define SENDER_COL_WIDTH_PCT            30      /* Mailbox view column width */
  19 #define DATE_PLUS_BUTTONS_WIDTH_PCT     20      /* Mailbox view column width */
  20
  21 void jsonMessageListHdr(void);
  22
  23 void display_enter(void);
  24
  25 typedef void (*MsgPartEvaluatorFunc)(message_summary *Sum, StrBuf *Buf);
  26
  27 typedef struct _MsgPartEvaluatorStruct {
  28         MsgPartEvaluatorFunc f;
  29 } MsgPartEvaluatorStruct;
  30
  31 int load_message(message_summary *Msg,
  32                  StrBuf *FoundCharset,
  33                  StrBuf **Error)
  34 {
  35         wcsession *WCC = WC;
  36         StrBuf *Buf;
  37         StrBuf *HdrToken;
  38         headereval *Hdr;
  39         void *vHdr;
  40         char buf[SIZ];
  41         int Done = 0;
  42         int state=0;
  43
  44         Buf = NewStrBuf();
  45         lprintf(9, "MSG4 %ld|%s\n", Msg->msgnum, ChrPtr(Msg->PartNum));
  46         if (Msg->PartNum != NULL) {
  47                 serv_printf("MSG4 %ld|%s", Msg->msgnum, ChrPtr(Msg->PartNum));
  48         }
  49         else {
  50                 serv_printf("MSG4 %ld", Msg->msgnum);
  51         }
  52
  53         StrBuf_ServGetln(Buf);
  54         if (GetServerStatus(Buf, NULL) != 1) {
  55                 *Error = NewStrBuf();
  56                 StrBufAppendPrintf(*Error, "<strong>");
  57                 StrBufAppendPrintf(*Error, _("ERROR:"));
  58                 StrBufAppendPrintf(*Error, "</strong> %s<br />\n", &buf[4]);
  59                 FreeStrBuf(&Buf);
  60                 return 0;
  61         }
  62
  63         /* begin everythingamundo table */
  64         HdrToken = NewStrBuf();
  65         while ((StrBuf_ServGetln(Buf)>=0) && !Done) {
  66                 if ( (StrLength(Buf)==3) &&
  67                     !strcmp(ChrPtr(Buf), "000"))
  68                 {
  69                         Done = 1;
  70                         if (state < 2) {
  71                                 lprintf(1, _("unexpected end of message"));
  72                                 if (Msg->MsgBody->Data == NULL)
  73                                         Msg->MsgBody->Data = NewStrBuf();
  74                                 Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/html"));
  75                                 StrBufAppendPrintf(Msg->MsgBody->Data, "<div><i>");
  76                                 StrBufAppendPrintf(Msg->MsgBody->Data, _("unexpected end of message"));
  77                                 StrBufAppendPrintf(Msg->MsgBody->Data, " (1)</i><br /><br />\n");
  78                                 StrBufAppendPrintf(Msg->MsgBody->Data, "</div>\n");
  79                         }
  80                         break;
  81                 }
  82                 switch (state) {
  83                 case 0:/* Citadel Message Headers */
  84                         if (StrLength(Buf) == 0) {
  85                                 state ++;
  86                                 break;
  87                         }
  88                         StrBufExtract_token(HdrToken, Buf, 0, '=');
  89                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
  90
  91 #ifdef TECH_PREVIEW
  92                         if (dbg_analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
  93 #endif
  94                         /* look up one of the examine_* functions to parse the content */
  95                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
  96                             (vHdr != NULL)) {
  97                                 Hdr = (headereval*)vHdr;
  98                                 Hdr->evaluator(Msg, Buf, FoundCharset);
  99                                 if (Hdr->Type == 1) {
 100                                         state++;
 101                                 }
 102                         }/* TODO:
 103                         else LogError(Target,
 104                                       __FUNCTION__,
 105                                       "don't know how to handle message header[%s]\n",
 106                                       ChrPtr(HdrToken));
 107                          */
 108                         break;
 109                 case 1:/* Message Mime Header */
 110                         if (StrLength(Buf) == 0) {
 111                                 state++;
 112                                 if (Msg->MsgBody->ContentType == NULL)
 113                                         /* end of header or no header? */
 114                                         Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/plain"));
 115                                  /* usual end of mime header */
 116                         }
 117                         else
 118                         {
 119                                 StrBufExtract_token(HdrToken, Buf, 0, ':');
 120                                 if (StrLength(HdrToken) > 0) {
 121                                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 122 #ifdef TECH_PREVIEW
 123                                         if (dbg_analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 124 #endif
 125                                         /* the examine*'s know how to do with mime headers too... */
 126                                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 127                                             (vHdr != NULL)) {
 128                                                 Hdr = (headereval*)vHdr;
 129                                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 130                                         }
 131                                         break;
 132                                 }
 133                         }
 134                 case 2: /* Message Body */
 135
 136                         if (Msg->MsgBody->size_known > 0) {
 137                                 StrBuf_ServGetBLOBBuffered(Msg->MsgBody->Data, Msg->MsgBody->length);
 138                                 state ++;
 139                                 /*/ todo: check next line, if not 000, append following lines */
 140                         }
 141                         else if (1){
 142                                 if (StrLength(Msg->MsgBody->Data) > 0)
 143                                         StrBufAppendBufPlain(Msg->MsgBody->Data, "\n", 1, 0);
 144                                 StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 145                         }
 146                         break;
 147                 case 3:
 148                         StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 149                         break;
 150                 }
 151         }
 152
 153         if (Msg->AllAttach == NULL)
 154                 Msg->AllAttach = NewHash(1,NULL);
 155         /* now we put the body mimepart we read above into the mimelist */
 156         Put(Msg->AllAttach, SKEY(Msg->MsgBody->PartNum), Msg->MsgBody, DestroyMime);
 157
 158         /* Generate a reply-to address */
 159         if (StrLength(Msg->Rfca) > 0) {
 160                 if (Msg->reply_to == NULL)
 161                         Msg->reply_to = NewStrBuf();
 162                 if (StrLength(Msg->from) > 0) {
 163                         StrBufPrintf(Msg->reply_to, "%s <%s>", ChrPtr(Msg->from), ChrPtr(Msg->Rfca));
 164                 }
 165                 else {
 166                         FlushStrBuf(Msg->reply_to);
 167                         StrBufAppendBuf(Msg->reply_to, Msg->Rfca, 0);
 168                 }
 169         }
 170         else
 171         {
 172                 if ((StrLength(Msg->OtherNode)>0) &&
 173                     (strcasecmp(ChrPtr(Msg->OtherNode), ChrPtr(WCC->serv_info->serv_nodename))) &&
 174                     (strcasecmp(ChrPtr(Msg->OtherNode), ChrPtr(WCC->serv_info->serv_humannode)) ))
 175                 {
 176                         if (Msg->reply_to == NULL)
 177                                 Msg->reply_to = NewStrBuf();
 178                         StrBufPrintf(Msg->reply_to,
 179                                      "%s @ %s",
 180                                      ChrPtr(Msg->from),
 181                                      ChrPtr(Msg->OtherNode));
 182                 }
 183                 else {
 184                         if (Msg->reply_to == NULL)
 185                                 Msg->reply_to = NewStrBuf();
 186                         FlushStrBuf(Msg->reply_to);
 187                         StrBufAppendBuf(Msg->reply_to, Msg->from, 0);
 188                 }
 189         }
 190         FreeStrBuf(&Buf);
 191         FreeStrBuf(&HdrToken);
 192         return 1;
 193 }
 194
 195
 196
 197 /*
 198  * I wanna SEE that message!
 199  *
 200  * msgnum               Message number to display
 201  * printable_view       Nonzero to display a printable view
 202  * section              Optional for encapsulated message/rfc822 submessage
 203  */
 204 int read_message(StrBuf *Target, const char *tmpl, long tmpllen, long msgnum, const StrBuf *PartNum, const StrBuf **OutMime)
 205 {
 206         StrBuf *Buf;
 207         StrBuf *FoundCharset;
 208         HashPos  *it;
 209         void *vMime;
 210         message_summary *Msg = NULL;
 211         void *vHdr;
 212         long len;
 213         const char *Key;
 214         WCTemplputParams SubTP;
 215         StrBuf *Error = NULL;
 216
 217         Buf = NewStrBuf();
 218         FoundCharset = NewStrBuf();
 219         Msg = (message_summary *)malloc(sizeof(message_summary));
 220         memset(Msg, 0, sizeof(message_summary));
 221         Msg->msgnum = msgnum;
 222         Msg->PartNum = PartNum;
 223         Msg->MsgBody =  (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
 224         memset(Msg->MsgBody, 0, sizeof(wc_mime_attachment));
 225         Msg->MsgBody->msgnum = msgnum;
 226
 227         if (!load_message(Msg, FoundCharset, &Error)) {
 228                 StrBufAppendBuf(Target, Error, 0);
 229                 FreeStrBuf(&Error);
 230         }
 231
 232         /* strip the bare contenttype, so we ommit charset etc. */
 233         StrBufExtract_token(Buf, Msg->MsgBody->ContentType, 0, ';');
 234         StrBufTrim(Buf);
 235         StrBufLowerCase(Buf);
 236         /* look up the renderer, that will convert this mimeitem into the htmlized form */
 237         if (GetHash(MimeRenderHandler, SKEY(Buf), &vHdr) &&
 238             (vHdr != NULL)) {
 239                 RenderMimeFuncStruct *Render;
 240                 Render = (RenderMimeFuncStruct*)vHdr;
 241                 Render->f(Msg->MsgBody, NULL, FoundCharset);
 242         }
 243
 244         if (StrLength(Msg->reply_references)> 0) {
 245                 /* Trim down excessively long lists of thread references.  We eliminate the
 246                  * second one in the list so that the thread root remains intact.
 247                  */
 248                 int rrtok = num_tokens(ChrPtr(Msg->reply_references), '|');
 249                 int rrlen = StrLength(Msg->reply_references);
 250                 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
 251                         StrBufRemove_token(Msg->reply_references, 1, '|');
 252                 }
 253         }
 254
 255         /* now check if we need to translate some mimeparts, and remove the duplicate */
 256         it = GetNewHashPos(Msg->AllAttach, 0);
 257         while (GetNextHashPos(Msg->AllAttach, it, &len, &Key, &vMime) &&
 258                (vMime != NULL)) {
 259                 wc_mime_attachment *Mime = (wc_mime_attachment*) vMime;
 260                 evaluate_mime_part(Msg, Mime);
 261         }
 262         DeleteHashPos(&it);
 263         memset(&SubTP, 0, sizeof(WCTemplputParams));
 264         SubTP.Filter.ContextType = CTX_MAILSUM;
 265         SubTP.Context = Msg;
 266         *OutMime = DoTemplate(tmpl, tmpllen, Target, &SubTP);
 267
 268         DestroyMessageSummary(Msg);
 269         FreeStrBuf(&FoundCharset);
 270         FreeStrBuf(&Buf);
 271         return 1;
 272 }
 273
 274
 275 void
 276 HttpStatus(long CitadelStatus)
 277 {
 278         long httpstatus = 502;
 279
 280         switch (MAJORCODE(CitadelStatus))
 281         {
 282         case LISTING_FOLLOWS:
 283         case CIT_OK:
 284                 httpstatus = 201;
 285                 break;
 286         case ERROR:
 287                 switch (MINORCODE(CitadelStatus))
 288                 {
 289                 case INTERNAL_ERROR:
 290                         httpstatus = 403;
 291                         break;
 292
 293                 case TOO_BIG:
 294                 case ILLEGAL_VALUE:
 295                 case HIGHER_ACCESS_REQUIRED:
 296                 case MAX_SESSIONS_EXCEEDED:
 297                 case RESOURCE_BUSY:
 298                 case RESOURCE_NOT_OPEN:
 299                 case NOT_HERE:
 300                 case INVALID_FLOOR_OPERATION:
 301                 case FILE_NOT_FOUND:
 302                 case ROOM_NOT_FOUND:
 303                         httpstatus = 409;
 304                         break;
 305
 306                 case MESSAGE_NOT_FOUND:
 307                 case ALREADY_EXISTS:
 308                         httpstatus = 403;
 309                         break;
 310
 311                 case NO_SUCH_SYSTEM:
 312                         httpstatus = 502;
 313                         break;
 314
 315                 default:
 316                 case CMD_NOT_SUPPORTED:
 317                 case PASSWORD_REQUIRED:
 318                 case ALREADY_LOGGED_IN:
 319                 case USERNAME_REQUIRED:
 320                 case NOT_LOGGED_IN:
 321                 case SERVER_SHUTTING_DOWN:
 322                 case NO_SUCH_USER:
 323                 case ASYNC_GEXP:
 324                         httpstatus = 502;
 325                         break;
 326                 }
 327                 break;
 328
 329         default:
 330         case BINARY_FOLLOWS:
 331         case SEND_BINARY:
 332         case START_CHAT_MODE:
 333         case ASYNC_MSG:
 334         case MORE_DATA:
 335         case SEND_LISTING:
 336                 httpstatus = 502; /* aeh... whut? */
 337                 break;
 338         }
 339
 340
 341 }
 342
 343 /*
 344  * Unadorned HTML output of an individual message, suitable
 345  * for placing in a hidden iframe, for printing, or whatever
 346  */
 347 void handle_one_message(void)
 348 {
 349         long CitStatus;
 350         int CopyMessage = 0;
 351         const StrBuf *Destination;
 352         void *vLine;
 353         const StrBuf *Mime;
 354         long msgnum = 0L;
 355         wcsession *WCC = WC;
 356         const StrBuf *Tmpl;
 357         StrBuf *CmdBuf = NULL;
 358         const char *pMsg;
 359
 360
 361         pMsg = strchr(ChrPtr(WCC->Hdr->HR.ReqLine), '/');
 362         if (pMsg == NULL) {
 363                 HttpStatus(CitStatus);
 364                 return;
 365         }
 366
 367         msgnum = atol(pMsg + 1);
 368         StrBufCutAt(WCC->Hdr->HR.ReqLine, 0, pMsg);
 369         gotoroom(WCC->Hdr->HR.ReqLine);
 370         switch (WCC->Hdr->HR.eReqType)
 371         {
 372         case eGET:
 373         case ePOST:
 374                 Tmpl = sbstr("template");
 375                 if (StrLength(Tmpl) > 0)
 376                         read_message(WCC->WBuf, SKEY(Tmpl), msgnum, NULL, &Mime);
 377                 else
 378                         read_message(WCC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
 379                 http_transmit_thing(ChrPtr(Mime), 0);
 380                 break;
 381         case eDELETE:
 382                 CmdBuf = NewStrBuf ();
 383                 if (WCC->wc_is_trash) { /* Delete from Trash is a real delete */
 384                         serv_printf("DELE %ld", msgnum);
 385                 }
 386                 else {                  /* Otherwise move it to Trash */
 387                         serv_printf("MOVE %ld|_TRASH_|0", msgnum);
 388                 }
 389                 StrBuf_ServGetln(CmdBuf);
 390                 FlushStrBuf(WCC->ImportantMsg);
 391                 StrBufAppendBuf(WCC->ImportantMsg, CmdBuf, 4);
 392                 GetServerStatus(CmdBuf, &CitStatus);
 393                 HttpStatus(CitStatus);
 394                 break;
 395         case eCOPY:
 396                 CopyMessage = 1;
 397         case eMOVE:
 398                 if (GetHash(WCC->Hdr->HTTPHeaders, HKEY("DESTINATION"), &vLine) &&
 399                     (vLine!=NULL)) {
 400                         Destination = (StrBuf*) vLine;
 401                         serv_printf("MOVE %ld|%s|%d", msgnum, ChrPtr(Destination), CopyMessage);
 402                         StrBuf_ServGetln(CmdBuf);
 403                         FlushStrBuf(WCC->ImportantMsg);
 404                         StrBufAppendBuf(WCC->ImportantMsg, CmdBuf, 4);
 405                         GetServerStatus(CmdBuf, &CitStatus);
 406                         HttpStatus(CitStatus);
 407                 }
 408                 else
 409                         HttpStatus(500);
 410                 break;
 411         default:
 412                 break;
 413
 414         }
 415 }
 416
 417
 418 /*
 419  * Unadorned HTML output of an individual message, suitable
 420  * for placing in a hidden iframe, for printing, or whatever
 421  */
 422 void embed_message(void) {
 423         const StrBuf *Mime;
 424         long msgnum = 0L;
 425         wcsession *WCC = WC;
 426         const StrBuf *Tmpl;
 427         StrBuf *CmdBuf = NULL;
 428
 429         msgnum = StrBufExtract_long(WCC->Hdr->HR.ReqLine, 0, '/');
 430         switch (WCC->Hdr->HR.eReqType)
 431         {
 432         case eGET:
 433         case ePOST:
 434                 Tmpl = sbstr("template");
 435                 if (StrLength(Tmpl) > 0)
 436                         read_message(WCC->WBuf, SKEY(Tmpl), msgnum, NULL, &Mime);
 437                 else
 438                         read_message(WCC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
 439                 http_transmit_thing(ChrPtr(Mime), 0);
 440                 break;
 441         case eDELETE:
 442                 CmdBuf = NewStrBuf ();
 443                 if (WCC->wc_is_trash) { /* Delete from Trash is a real delete */
 444                         serv_printf("DELE %ld", msgnum);
 445                 }
 446                 else {                  /* Otherwise move it to Trash */
 447                         serv_printf("MOVE %ld|_TRASH_|0", msgnum);
 448                 }
 449                 StrBuf_ServGetln(CmdBuf);
 450                 FlushStrBuf(WCC->ImportantMsg);
 451                 StrBufAppendBuf(WCC->ImportantMsg, CmdBuf, 4);
 452                 break;
 453         default:
 454                 break;
 455
 456         }
 457 }
 458
 459
 460 /*
 461  * Printable view of a message
 462  */
 463 void print_message(void) {
 464         long msgnum = 0L;
 465         const StrBuf *Mime;
 466
 467         msgnum = StrBufExtract_long(WC->Hdr->HR.ReqLine, 0, '/');
 468         output_headers(0, 0, 0, 0, 0, 0);
 469
 470         hprintf("Content-type: text/html\r\n"
 471                 "Server: " PACKAGE_STRING "\r\n"
 472                 "Connection: close\r\n");
 473
 474         begin_burst();
 475
 476         read_message(WC->WBuf, HKEY("view_message_print"), msgnum, NULL, &Mime);
 477
 478         wDumpContent(0);
 479 }
 480
 481 /*
 482  * Mobile browser view of message
 483  */
 484 void mobile_message_view(void)
 485 {
 486         long msgnum = 0L;
 487         const StrBuf *Mime;
 488
 489         msgnum = StrBufExtract_long(WC->Hdr->HR.ReqLine, 0, '/');
 490         output_headers(1, 0, 0, 0, 0, 1);
 491         begin_burst();
 492         do_template("msgcontrols", NULL);
 493         read_message(WC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
 494         wDumpContent(0);
 495 }
 496
 497 /*
 498  * Display a message's headers
 499  */
 500 void display_headers(void) {
 501         long msgnum = 0L;
 502         char buf[1024];
 503
 504         msgnum = StrBufExtract_long(WC->Hdr->HR.ReqLine, 0, '/');
 505         output_headers(0, 0, 0, 0, 0, 0);
 506
 507         hprintf("Content-type: text/plain\r\n"
 508                 "Server: %s\r\n"
 509                 "Connection: close\r\n",
 510                 PACKAGE_STRING);
 511         begin_burst();
 512
 513         serv_printf("MSG2 %ld|3", msgnum);
 514         serv_getln(buf, sizeof buf);
 515         if (buf[0] == '1') {
 516                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 517                         wprintf("%s\n", buf);
 518                 }
 519         }
 520
 521         wDumpContent(0);
 522 }
 523
 524
 525 message_summary *ReadOneMessageSummary(StrBuf *RawMessage, const char *DefaultSubject, long MsgNum)
 526 {
 527         void                 *vEval;
 528         MsgPartEvaluatorStruct  *Eval;
 529         message_summary      *Msg;
 530         StrBuf *Buf;
 531         const char *buf;
 532         const char *ebuf;
 533         int nBuf;
 534         long len;
 535
 536         Buf = NewStrBuf();
 537
 538         serv_printf("MSG0 %ld|1", MsgNum);      /* ask for headers only */
 539
 540         StrBuf_ServGetln(Buf);
 541         if (GetServerStatus(Buf, NULL) == 1) {
 542                 FreeStrBuf(&Buf);
 543                 return NULL;
 544         }
 545
 546         Msg = (message_summary*)malloc(sizeof(message_summary));
 547         memset(Msg, 0, sizeof(message_summary));
 548         while (len = StrBuf_ServGetln(Buf),
 549                ((len != 3)  ||
 550                 strcmp(ChrPtr(Buf), "000")== 0)){
 551                 buf = ChrPtr(Buf);
 552                 ebuf = strchr(ChrPtr(Buf), '=');
 553                 nBuf = ebuf - buf;
 554                 if (GetHash(MsgEvaluators, buf, nBuf, &vEval) && vEval != NULL) {
 555                         Eval = (MsgPartEvaluatorStruct*) vEval;
 556                         StrBufCutLeft(Buf, nBuf + 1);
 557                         Eval->f(Msg, Buf);
 558                 }
 559                 else lprintf(1, "Don't know how to handle Message Headerline [%s]", ChrPtr(Buf));
 560         }
 561         return Msg;
 562 }
 563
 564
 565
 566
 567
 568 /*
 569  * load message pointers from the server for a "read messages" operation
 570  *
 571  * servcmd:             the citadel command to send to the citserver
 572  * with_headers:        also include some of the headers with the message numbers (more expensive)
 573  */
 574 int load_msg_ptrs(const char *servcmd, int with_headers)
 575 {
 576         StrBuf* FoundCharset = NULL;
 577         wcsession *WCC = WC;
 578         message_summary *Msg;
 579         StrBuf *Buf, *Buf2;
 580         int nummsgs = 0;
 581         int maxload = 0;
 582         long len;
 583         int n;
 584         int skipit;
 585         const char *Ptr = NULL;
 586
 587         if (WCC->summ != NULL) {
 588                 DeleteHash(&WCC->summ);
 589         }
 590         WCC->summ = NewHash(1, Flathash);
 591         maxload = 10000;
 592
 593         Buf = NewStrBuf();
 594         serv_puts(servcmd);
 595         StrBuf_ServGetln(Buf);
 596         if (GetServerStatus(Buf, NULL) != 1) {
 597                 FreeStrBuf(&Buf);
 598                 return (nummsgs);
 599         }
 600         Buf2 = NewStrBuf();
 601         while (len = StrBuf_ServGetln(Buf),
 602                ((len != 3)  ||
 603                 strcmp(ChrPtr(Buf), "000")!= 0))
 604         {
 605                 if (nummsgs < maxload) {
 606                         skipit = 0;
 607                         Ptr = NULL;
 608                         Msg = (message_summary*)malloc(sizeof(message_summary));
 609                         memset(Msg, 0, sizeof(message_summary));
 610
 611                         Msg->msgnum = StrBufExtractNext_long(Buf, &Ptr, '|');
 612                         Msg->date = StrBufExtractNext_long(Buf, &Ptr, '|');
 613
 614                         if ((Msg->msgnum == 0) && (StrLength(Buf) < 32)) {
 615                                 free(Msg);
 616                                 continue;
 617                         }
 618                         /*
 619                          * as citserver probably gives us messages in forward date sorting
 620                          * nummsgs should be the same order as the message date.
 621                          */
 622                         if (Msg->date == 0) {
 623                                 Msg->date = nummsgs;
 624                                 if (StrLength(Buf) < 32)
 625                                         skipit = 1;
 626                         }
 627                         if (!skipit) {
 628                                 Msg->from = NewStrBufPlain(NULL, StrLength(Buf));
 629                                 StrBufExtract_NextToken(Buf2, Buf, &Ptr, '|');
 630                                 if (StrLength(Buf2) != 0) {
 631                                         /* Handle senders with RFC2047 encoding */
 632                                         StrBuf_RFC822_to_Utf8(Msg->from, Buf2, WCC->DefaultCharset, FoundCharset);
 633                                 }
 634
 635                                 /* node name */
 636                                 StrBufExtract_NextToken(Buf2, Buf, &Ptr, '|');
 637                                 if ((StrLength(Buf2) !=0 ) &&
 638                                     ( ((WCC->room_flags & QR_NETWORK)
 639                                        || ((strcasecmp(ChrPtr(Buf2), ChrPtr(WCC->serv_info->serv_nodename))
 640                                             && (strcasecmp(ChrPtr(Buf2), ChrPtr(WCC->serv_info->serv_fqdn))))))))
 641                                 {
 642                                         StrBufAppendBufPlain(Msg->from, HKEY(" @ "), 0);
 643                                         StrBufAppendBuf(Msg->from, Buf2, 0);
 644                                 }
 645
 646                                 /* Internet address (not used)
 647                                  *      StrBufExtract_token(Msg->inetaddr, Buf, 4, '|');
 648                                  */
 649                                 StrBufSkip_NTokenS(Buf, &Ptr, '|', 1);
 650                                 Msg->subj = NewStrBufPlain(NULL, StrLength(Buf));
 651                                 StrBufExtract_NextToken(Buf2,  Buf, &Ptr, '|');
 652                                 if (StrLength(Buf2) == 0)
 653                                         StrBufAppendBufPlain(Msg->subj, _("(no subject)"), -1,0);
 654                                 else {
 655                                         StrBuf_RFC822_to_Utf8(Msg->subj, Buf2, WCC->DefaultCharset, FoundCharset);
 656                                         if ((StrLength(Msg->subj) > 75) &&
 657                                             (StrBuf_Utf8StrLen(Msg->subj) > 75)) {
 658                                                 StrBuf_Utf8StrCut(Msg->subj, 72);
 659                                                 StrBufAppendBufPlain(Msg->subj, HKEY("..."), 0);
 660                                         }
 661                                 }
 662
 663                                 if ((StrLength(Msg->from) > 25) &&
 664                                     (StrBuf_Utf8StrLen(Msg->from) > 25)) {
 665                                         StrBuf_Utf8StrCut(Msg->from, 23);
 666                                         StrBufAppendBufPlain(Msg->from, HKEY("..."), 0);
 667                                 }
 668                         }
 669                         n = Msg->msgnum;
 670                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 671                 }
 672                 nummsgs++;
 673         }
 674         FreeStrBuf(&Buf2);
 675         FreeStrBuf(&Buf);
 676         return (nummsgs);
 677 }
 678
 679
 680 inline message_summary* GetMessagePtrAt(int n, HashList *Summ)
 681 {
 682         const char *Key;
 683         long HKLen;
 684         void *vMsg;
 685
 686         if (Summ == NULL)
 687                 return NULL;
 688         GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
 689         return (message_summary*) vMsg;
 690 }
 691
 692
 693 long DrawMessageDropdown(StrBuf *Selector, long maxmsgs, long startmsg, int nMessages)
 694 {
 695         StrBuf *TmpBuf;
 696         wcsession *WCC = WC;
 697         void *vMsg;
 698         int lo, hi;
 699         long ret;
 700         long hklen;
 701         const char *key;
 702         int done = 0;
 703         int nItems;
 704         HashPos *At;
 705         long vector[16];
 706         WCTemplputParams SubTP;
 707
 708         memset(&SubTP, 0, sizeof(WCTemplputParams));
 709         SubTP.Filter.ContextType = CTX_LONGVECTOR;
 710         SubTP.Context = &vector;
 711         TmpBuf = NewStrBufPlain(NULL, SIZ);
 712         At = GetNewHashPos(WCC->summ, nMessages);
 713         nItems = GetCount(WCC->summ);
 714         ret = nMessages;
 715         vector[0] = 7;
 716         vector[2] = 1;
 717         vector[1] = startmsg;
 718         vector[3] = 0;
 719
 720         while (!done) {
 721                 vector[3] = abs(nMessages);
 722                 lo = GetHashPosCounter(At);
 723                 if (nMessages > 0) {
 724                         if (lo + nMessages >= nItems) {
 725                                 hi = nItems - 1;
 726                                 vector[3] = nItems - lo;
 727                                 if (startmsg == lo)
 728                                         ret = vector[3];
 729                         }
 730                         else {
 731                                 hi = lo + nMessages - 1;
 732                         }
 733                 } else {
 734                         if (lo + nMessages < -1) {
 735                                 hi = 0;
 736                         }
 737                         else {
 738                                 if ((lo % abs(nMessages)) != 0) {
 739                                         int offset = (lo % abs(nMessages) *
 740                                                       (nMessages / abs(nMessages)));
 741                                         hi = lo + offset;
 742                                         vector[3] = abs(offset);
 743                                         if (startmsg == lo)
 744                                                  ret = offset;
 745                                 }
 746                                 else
 747                                         hi = lo + nMessages;
 748                         }
 749                 }
 750                 done = !GetNextHashPos(WCC->summ, At, &hklen, &key, &vMsg);
 751
 752                 /*
 753                  * Bump these because although we're thinking in zero base, the user
 754                  * is a drooling idiot and is thinking in one base.
 755                  */
 756                 vector[4] = lo + 1;
 757                 vector[5] = hi + 1;
 758                 vector[6] = lo;
 759                 FlushStrBuf(TmpBuf);
 760                 dbg_print_longvector(vector);
 761                 DoTemplate(HKEY("select_messageindex"), TmpBuf, &SubTP);
 762                 StrBufAppendBuf(Selector, TmpBuf, 0);
 763         }
 764         vector[6] = 0;
 765         FlushStrBuf(TmpBuf);
 766         if (maxmsgs == 9999999) {
 767                 vector[1] = 1;
 768                 ret = maxmsgs;
 769         }
 770         else
 771                 vector[1] = 0;
 772         vector[2] = 0;
 773         dbg_print_longvector(vector);
 774         DoTemplate(HKEY("select_messageindex_all"), TmpBuf, &SubTP);
 775         StrBufAppendBuf(Selector, TmpBuf, 0);
 776         FreeStrBuf(&TmpBuf);
 777         DeleteHashPos(&At);
 778         return ret;
 779 }
 780
 781 void load_seen_flags(void)
 782 {
 783         message_summary *Msg;
 784         const char *HashKey;
 785         long HKLen;
 786         HashPos *at;
 787         void *vMsg;
 788         StrBuf *OldMsg;
 789         wcsession *WCC = WC;
 790
 791         OldMsg = NewStrBuf();
 792         serv_puts("GTSN");
 793         StrBuf_ServGetln(OldMsg);
 794         if (GetServerStatus(OldMsg, NULL) == 2) {
 795                 StrBufCutLeft(OldMsg, 4);
 796         }
 797         else {
 798                 FreeStrBuf(&OldMsg);
 799                 return;
 800         }
 801         at = GetNewHashPos(WCC->summ, 0);
 802         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 803                 /* Are you a new message, or an old message? */
 804                 Msg = (message_summary*) vMsg;
 805                 if (is_msg_in_mset(ChrPtr(OldMsg), Msg->msgnum)) {
 806                         Msg->is_new = 0;
 807                 }
 808                 else {
 809                         Msg->is_new = 1;
 810                 }
 811         }
 812         FreeStrBuf(&OldMsg);
 813         DeleteHashPos(&at);
 814 }
 815
 816 extern readloop_struct rlid[];
 817
 818 /*
 819  * command loop for reading messages
 820  *
 821  * Set oper to "readnew" or "readold" or "readfwd" or "headers" or "readgt"
 822  */
 823 void readloop(long oper)
 824 {
 825         StrBuf *MessageDropdown = NULL;
 826         StrBuf *BBViewToolBar = NULL;
 827         void *vMsg;
 828         message_summary *Msg;
 829         char cmd[256] = "";
 830         char buf[SIZ];
 831         int a = 0;
 832         int with_headers = 0;
 833         int nummsgs;
 834         long startmsg = 0;
 835         int maxmsgs = 0;
 836         long *displayed_msgs = NULL;
 837         int num_displayed = 0;
 838         int is_singlecard = 0;
 839         struct calview calv;
 840         int i;
 841         int lowest_displayed = (-1);
 842         int highest_displayed = 0;
 843         addrbookent *addrbook = NULL;
 844         int num_ab = 0;
 845         int bbs_reverse = 0;
 846         wcsession *WCC = WC;
 847         HashPos *at;
 848         const char *HashKey;
 849         long HKLen;
 850         int care_for_empty_list = 0;
 851         int load_seen = 0;
 852         int sortit = 0;
 853         int defaultsortorder = 0;
 854         WCTemplputParams SubTP;
 855         char *ab_name;
 856         const StrBuf *Mime;
 857
 858         if (havebstr("is_summary") && (1 == (ibstr("is_summary"))))
 859                 WCC->wc_view = VIEW_MAILBOX;
 860
 861         if (!WCC->is_ajax) {
 862                 output_headers(1, 1, 1, 0, 0, 0);
 863         } else if (WCC->wc_view == VIEW_MAILBOX) {
 864                 jsonMessageListHdr();
 865         }
 866
 867         switch (WCC->wc_view) {
 868         case VIEW_WIKI:
 869                 sprintf(buf, "wiki?room=%s&page=home", ChrPtr(WCC->wc_roomname));
 870                 http_redirect(buf);
 871                 return;
 872         case VIEW_CALBRIEF:
 873         case VIEW_CALENDAR:
 874                 load_seen = 1;
 875                 strcpy(cmd, "MSGS ALL");
 876                 maxmsgs = 32767;
 877                 parse_calendar_view_request(&calv);
 878                 break;
 879         case VIEW_TASKS:
 880                 strcpy(cmd, "MSGS ALL");
 881                 maxmsgs = 32767;
 882                 break;
 883         case VIEW_NOTES:
 884                 strcpy(cmd, "MSGS ALL");
 885                 maxmsgs = 32767;
 886                 wprintf("<div id=\"new_notes_here\"></div>\n");
 887                 break;
 888         case VIEW_ADDRESSBOOK:
 889                 is_singlecard = ibstr("is_singlecard");
 890                 if (is_singlecard != 1) {
 891                         if (oper == do_search) {
 892                                 snprintf(cmd, sizeof(cmd), "MSGS SEARCH|%s", bstr("query"));
 893                         }
 894                         else {
 895                                 strcpy(cmd, "MSGS ALL");
 896                         }
 897                         maxmsgs = 9999999;
 898                         break;
 899                 }
 900                 break;
 901         case VIEW_MAILBOX:
 902           if (!WCC->is_ajax) {
 903             new_summary_view();
 904             return;
 905           } else {
 906                 defaultsortorder = 2;
 907                 sortit = 1;
 908                 load_seen = 1;
 909                 care_for_empty_list = 0;
 910                 with_headers = 1;
 911                 /* Generally using maxmsgs|startmsg is not required
 912                    in mailbox view, but we have a 'safemode' for clients
 913                    (*cough* Exploder) that simply can't handle too many */
 914                 if (havebstr("maxmsgs")) maxmsgs = ibstr("maxmsgs");
 915                 else maxmsgs = 9999999;
 916                 if (havebstr("startmsg")) startmsg = lbstr("startmsg");
 917                 snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 918                          (oper == do_search) ? "SEARCH" : "ALL",
 919                          (oper == do_search) ? bstr("query") : ""
 920                         );
 921           }
 922                 break;
 923         case VIEW_BBS:
 924         default:
 925                 defaultsortorder = 1;
 926                 startmsg = -1;
 927                 sortit = 1;
 928                 care_for_empty_list = 1;
 929
 930                 rlid[oper].cmd(cmd, sizeof(cmd));
 931
 932                 if (havebstr("maxmsgs"))
 933                         maxmsgs = ibstr("maxmsgs");
 934                 if (maxmsgs == 0) maxmsgs = DEFAULT_MAXMSGS;
 935
 936                 if (havebstr("startmsg")) {
 937                         startmsg = lbstr("startmsg");
 938                 }
 939
 940         }
 941
 942         nummsgs = load_msg_ptrs(cmd, with_headers);
 943         if (nummsgs == 0) {
 944                 if (care_for_empty_list) {
 945                         wprintf("<div class=\"nomsgs\"><br><em>");
 946                         switch (oper) {
 947                         case readnew:
 948                                 wprintf(_("No new messages."));
 949                                 break;
 950                         case readold:
 951                                 wprintf(_("No old messages."));
 952                                 break;
 953                         default:
 954                                 wprintf(_("No messages here."));
 955                         }
 956                         wprintf("</em><br></div>\n");
 957                         goto DONE;
 958                 }
 959
 960         }
 961
 962         if (sortit) {
 963                 CompareFunc SortIt;
 964                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 965                 SubTP.Filter.ContextType = CTX_NONE;
 966                 SubTP.Context = NULL;
 967                 SortIt =  RetrieveSort(&SubTP, NULL, 0,
 968                                        HKEY("date"), defaultsortorder);
 969                 if (SortIt != NULL)
 970                         SortByPayload(WCC->summ, SortIt);
 971                 if (WCC->wc_view == VIEW_BBS) {
 972                         if (lbstr("SortOrder") == 2) {
 973                                 bbs_reverse = 1;
 974                                 num_displayed = -DEFAULT_MAXMSGS;
 975                         }
 976                         else {
 977                                 bbs_reverse = 0;
 978                                 num_displayed = DEFAULT_MAXMSGS;
 979                         }
 980                 }
 981         }
 982         if (startmsg < 0) startmsg = (bbs_reverse) ? nummsgs - 1 : 0;
 983
 984         if (load_seen) load_seen_flags();
 985
 986         /*
 987          * Print any inforation above the message list...
 988          */
 989         switch (WCC->wc_view) {
 990         case VIEW_BBS:
 991                 BBViewToolBar = NewStrBufPlain(NULL, SIZ);
 992                 MessageDropdown = NewStrBufPlain(NULL, SIZ);
 993
 994                 maxmsgs = DrawMessageDropdown(MessageDropdown, maxmsgs, startmsg, num_displayed);
 995                 if (num_displayed < 0) {
 996                         startmsg += maxmsgs;
 997                         if (num_displayed != maxmsgs)
 998                                 maxmsgs = abs(maxmsgs) + 1;
 999                         else
1000                                 maxmsgs = abs(maxmsgs);
1001
1002                 }
1003                 memset(&SubTP, 0, sizeof(WCTemplputParams));
1004                 SubTP.Filter.ContextType = CTX_STRBUF;
1005                 SubTP.Context = MessageDropdown;
1006                 DoTemplate(HKEY("msg_listselector_top"), BBViewToolBar, &SubTP);
1007                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
1008                 FlushStrBuf(BBViewToolBar);
1009                 break;
1010         }
1011         WCC->startmsg =  startmsg;
1012         WCC->maxmsgs = maxmsgs;
1013         WCC->num_displayed = 0;
1014
1015         /* Put some helpful data in vars for mailsummary_json */
1016         svputlong("READLOOP:TOTALMSGS", nummsgs);
1017         svputlong("READLOOP:STARTMSG", startmsg);
1018         svputlong("WCVIEW", WCC->wc_view);
1019
1020         /*
1021          * iterate over each message. if we need to load an attachment, do it here.
1022          */
1023         if (WCC->wc_view == VIEW_MAILBOX) goto NO_MSG_LOOP;
1024         at = GetNewHashPos(WCC->summ, 0);
1025         num_displayed = i = 0;
1026         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
1027                 Msg = (message_summary*) vMsg;
1028                 if ((Msg->msgnum >= startmsg) && (num_displayed <= maxmsgs)) {
1029                         switch (WCC->wc_view) {
1030                         case VIEW_WIKI:
1031                                 break;
1032                         case VIEW_CALBRIEF: /* load the mime attachments for special tasks... */
1033                         case VIEW_CALENDAR:
1034                                 load_calendar_item(Msg, Msg->is_new, &calv);
1035                                 break;
1036                         case VIEW_TASKS:
1037                                 display_task(Msg, Msg->is_new);
1038                                 break;
1039                         case VIEW_NOTES:
1040                                 display_note(Msg, Msg->is_new);
1041                                 break;
1042                         case VIEW_ADDRESSBOOK:
1043                                 ab_name = NULL;
1044                                 fetch_ab_name(Msg, &ab_name);
1045                                 if (ab_name == NULL)
1046                                         break;
1047                                 ++num_ab;
1048                                 addrbook = realloc(addrbook,
1049                                                    (sizeof(addrbookent) * num_ab) );
1050                                 safestrncpy(addrbook[num_ab-1].ab_name, ab_name,
1051                                             sizeof(addrbook[num_ab-1].ab_name));
1052                                 addrbook[num_ab-1].ab_msgnum = Msg->msgnum;
1053                                 free(ab_name);
1054                                 break;
1055                         case VIEW_BBS: /* Tag the mails we want to show in bbview... */
1056                         default:
1057                                 if (displayed_msgs == NULL) {
1058                                         displayed_msgs = malloc(sizeof(long) *
1059                                                                 (maxmsgs<nummsgs ? maxmsgs + 1 : nummsgs + 1));
1060                                 }
1061                                 if ((i >= startmsg) && (i < startmsg + maxmsgs)) {
1062                                         displayed_msgs[num_displayed] = Msg->msgnum;
1063                                         if (lowest_displayed < 0) lowest_displayed = a;
1064                                         highest_displayed = a;
1065
1066                                         num_displayed++;
1067                                 }
1068                         }
1069                 }
1070                 i++;
1071         }
1072         DeleteHashPos(&at);
1073
1074 NO_MSG_LOOP:
1075         /*
1076          * Done iterating the message list. now tasks we want to do after.
1077          */
1078         switch (WCC->wc_view) {
1079         case VIEW_MAILBOX:
1080           DoTemplate(HKEY("mailsummary_json"),NULL, &SubTP);
1081           break;
1082         case VIEW_BBS:
1083                 if (displayed_msgs != NULL) {
1084                         /* if we do a split bbview in the future, begin messages div here */
1085
1086                         for (a=0; a<num_displayed; ++a) {
1087                                 read_message(WCC->WBuf, HKEY("view_message"), displayed_msgs[a], NULL, &Mime);
1088                         }
1089
1090                         /* if we do a split bbview in the future, end messages div here */
1091
1092                         free(displayed_msgs);
1093                         displayed_msgs = NULL;
1094                 }
1095                 memset(&SubTP, 0, sizeof(WCTemplputParams));
1096                 SubTP.Filter.ContextType = CTX_STRBUF;
1097                 SubTP.Context = MessageDropdown;
1098                 DoTemplate(HKEY("msg_listselector_bottom"), BBViewToolBar, &SubTP);
1099                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
1100
1101                 FreeStrBuf(&BBViewToolBar);
1102                 FreeStrBuf(&MessageDropdown);
1103         }
1104
1105
1106 DONE:
1107         switch (WCC->wc_view) {
1108         case VIEW_WIKI:
1109                 break;
1110         case VIEW_CALBRIEF:
1111         case VIEW_CALENDAR:
1112                 render_calendar_view(&calv);
1113                 break;
1114         case VIEW_TASKS:
1115                 do_tasks_view();        /* Render the task list */
1116                 break;
1117         case VIEW_NOTES:
1118                 break;
1119         case VIEW_ADDRESSBOOK:
1120                 if (is_singlecard)
1121                         read_message(WC->WBuf, HKEY("view_message"), lbstr("startmsg"), NULL, &Mime);
1122                 else
1123                         do_addrbook_view(addrbook, num_ab);     /* Render the address book */
1124                 break;
1125         case VIEW_MAILBOX:
1126         case VIEW_BBS:
1127         default:
1128                 break;
1129         }
1130         /* Note: wDumpContent() will output one additional </div> tag. */
1131         if (WCC->wc_view != VIEW_MAILBOX) {
1132                 /* We ought to move this out into template */
1133                 wDumpContent(1);
1134         } else {
1135                 end_burst();
1136         }
1137         WCC->startmsg = 0;
1138         WCC->maxmsgs = 0;
1139         if (WCC->summ != NULL) {
1140                 DeleteHash(&WCC->summ);
1141         }
1142         if (addrbook != NULL) free(addrbook);
1143         FreeStrBuf(&BBViewToolBar);
1144 }
1145
1146
1147 /*
1148  * Back end for post_message()
1149  * ... this is where the actual message gets transmitted to the server.
1150  */
1151 void post_mime_to_server(void) {
1152         wcsession *WCC = WC;
1153         char top_boundary[SIZ];
1154         char alt_boundary[SIZ];
1155         int is_multipart = 0;
1156         static int seq = 0;
1157         wc_mime_attachment *att;
1158         char *encoded;
1159         size_t encoded_length;
1160         size_t encoded_strlen;
1161         char *txtmail = NULL;
1162
1163         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
1164                 ChrPtr(WCC->serv_info->serv_fqdn),
1165                 getpid(),
1166                 ++seq
1167         );
1168         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
1169                 ChrPtr(WCC->serv_info->serv_fqdn),
1170                 getpid(),
1171                 ++seq
1172         );
1173
1174         /* RFC2045 requires this, and some clients look for it... */
1175         serv_puts("MIME-Version: 1.0");
1176         serv_puts("X-Mailer: " PACKAGE_STRING);
1177
1178         /* If there are attachments, we have to do multipart/mixed */
1179         if (GetCount(WCC->attachments) > 0) {
1180                 is_multipart = 1;
1181         }
1182
1183         if (is_multipart) {
1184                 /* Remember, serv_printf() appends an extra newline */
1185                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
1186                 serv_printf("This is a multipart message in MIME format.\n");
1187                 serv_printf("--%s", top_boundary);
1188         }
1189
1190         /* Remember, serv_printf() appends an extra newline */
1191         serv_printf("Content-type: multipart/alternative; "
1192                 "boundary=\"%s\"\n", alt_boundary);
1193         serv_printf("This is a multipart message in MIME format.\n");
1194         serv_printf("--%s", alt_boundary);
1195
1196         serv_puts("Content-type: text/plain; charset=utf-8");
1197         serv_puts("Content-Transfer-Encoding: quoted-printable");
1198         serv_puts("");
1199         txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
1200         text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
1201         free(txtmail);
1202
1203         serv_printf("--%s", alt_boundary);
1204
1205         serv_puts("Content-type: text/html; charset=utf-8");
1206         serv_puts("Content-Transfer-Encoding: quoted-printable");
1207         serv_puts("");
1208         serv_puts("<html><body>\r\n");
1209         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
1210         serv_puts("</body></html>\r\n");
1211
1212         serv_printf("--%s--", alt_boundary);
1213
1214         if (is_multipart) {
1215                 long len;
1216                 const char *Key;
1217                 void *vAtt;
1218                 HashPos  *it;
1219
1220                 /* Add in the attachments */
1221                 it = GetNewHashPos(WCC->attachments, 0);
1222                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
1223                         att = (wc_mime_attachment *)vAtt;
1224                         encoded_length = ((att->length * 150) / 100);
1225                         encoded = malloc(encoded_length);
1226                         if (encoded == NULL) break;
1227                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
1228
1229                         serv_printf("--%s", top_boundary);
1230                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
1231                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
1232                         serv_puts("Content-transfer-encoding: base64");
1233                         serv_puts("");
1234                         serv_write(encoded, encoded_strlen);
1235                         serv_puts("");
1236                         serv_puts("");
1237                         free(encoded);
1238                 }
1239                 serv_printf("--%s--", top_boundary);
1240                 DeleteHashPos(&it);
1241         }
1242
1243         serv_puts("000");
1244 }
1245
1246
1247 /*
1248  * Post message (or don't post message)
1249  *
1250  * Note regarding the "dont_post" variable:
1251  * A random value (actually, it's just a timestamp) is inserted as a hidden
1252  * field called "postseq" when the display_enter page is generated.  This
1253  * value is checked when posting, using the static variable dont_post.  If a
1254  * user attempts to post twice using the same dont_post value, the message is
1255  * discarded.  This prevents the accidental double-saving of the same message
1256  * if the user happens to click the browser "back" button.
1257  */
1258 void post_message(void)
1259 {
1260         char buf[1024];
1261         StrBuf *encoded_subject = NULL;
1262         static long dont_post = (-1L);
1263         wc_mime_attachment  *att;
1264         int is_anonymous = 0;
1265         const StrBuf *display_name = NULL;
1266         wcsession *WCC = WC;
1267         StrBuf *Buf;
1268
1269         if (havebstr("force_room")) {
1270                 gotoroom(sbstr("force_room"));
1271         }
1272
1273         if (havebstr("display_name")) {
1274                 display_name = sbstr("display_name");
1275                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1276                         display_name = NULL;
1277                         is_anonymous = 1;
1278                 }
1279         }
1280
1281         if (WCC->upload_length > 0) {
1282                 const char *pch;
1283                 int n;
1284                 char N[64];
1285
1286                 /* There's an attachment.  Save it to this struct... */
1287                 lprintf(9, "Client is uploading %d bytes\n", WCC->upload_length);
1288                 att = malloc(sizeof(wc_mime_attachment));
1289                 memset(att, 0, sizeof(wc_mime_attachment ));
1290                 att->length = WCC->upload_length;
1291                 att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1292                 att->FileName = NewStrBufPlain(WCC->upload_filename, -1);
1293
1294                 if (WCC->attachments == NULL) {
1295                         WCC->attachments = NewHash(1, NULL);
1296                 }
1297
1298                 /* And add it to the list. */
1299                 n = snprintf(N, sizeof N, "%d", GetCount(WCC->attachments) + 1);
1300                 Put(WCC->attachments, N, n, att, DestroyMime);
1301
1302                 /*
1303                  * Mozilla sends a simple filename, which is what we want,
1304                  * but Satan's Browser sends an entire pathname.  Reduce
1305                  * the path to just a filename if we need to.
1306                  */
1307                 pch = strrchr(ChrPtr(att->FileName), '/');
1308                 if (pch != NULL) {
1309                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1310                 }
1311                 pch = strrchr(ChrPtr(att->FileName), '\\');
1312                 if (pch != NULL) {
1313                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1314                 }
1315
1316                 /*
1317                  * Transfer control of this memory from the upload struct
1318                  * to the attachment struct.
1319                  */
1320                 att->Data = WCC->upload;
1321                 WCC->upload = NULL;
1322                 WCC->upload_length = 0;
1323                 display_enter();
1324                 return;
1325         }
1326
1327         if (havebstr("cancel_button")) {
1328                 sprintf(WCC->ImportantMessage,
1329                         _("Cancelled.  Message was not posted."));
1330         } else if (havebstr("attach_button")) {
1331                 display_enter();
1332                 return;
1333         } else if (lbstr("postseq") == dont_post) {
1334                 sprintf(WCC->ImportantMessage,
1335                         _("Automatically cancelled because you have already "
1336                         "saved this message."));
1337         } else {
1338                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1339                 const StrBuf *Recp = NULL;
1340                 const StrBuf *Cc = NULL;
1341                 const StrBuf *Bcc = NULL;
1342                 const StrBuf *Wikipage = NULL;
1343                 const StrBuf *my_email_addr = NULL;
1344                 StrBuf *CmdBuf = NULL;
1345                 StrBuf *references = NULL;
1346                 int save_to_drafts;
1347
1348                 save_to_drafts = havebstr("save_button");
1349                 Buf = NewStrBuf();
1350
1351                 if (save_to_drafts) {
1352                         /* temporarily change to the drafts room */
1353                         serv_puts("GOTO _DRAFTS_");
1354                         StrBuf_ServGetln(Buf);
1355                         if (GetServerStatus(Buf, NULL) != 2) {
1356                                 /* You probably don't even have a dumb Drafts folder */
1357                                 StrBufCutLeft(Buf, 4);
1358                                 lprintf(9, "%s:%d: server save to drafts error: %s\n", __FILE__, __LINE__, ChrPtr(Buf));
1359                                 StrBufAppendBufPlain(WCC->ImportantMsg, _("Saved to Drafts failed: "), -1, 0);
1360                                 StrBufAppendBuf(WCC->ImportantMsg, Buf, 0);
1361                                 display_enter();
1362                                 FreeStrBuf(&Buf);
1363                                 return;
1364                         }
1365                 }
1366
1367                 if (havebstr("references"))
1368                 {
1369                         const StrBuf *ref = sbstr("references");
1370                         references = NewStrBufDup(ref);
1371                         if (*ChrPtr(references) == '|') {       /* remove leading '|' if present */
1372                                 StrBufCutLeft(references, 1);
1373                         }
1374                         StrBufReplaceChars(references, '|', '!');
1375                 }
1376                 if (havebstr("subject")) {
1377                         const StrBuf *Subj;
1378                         /*
1379                          * make enough room for the encoded string;
1380                          * plus the QP header
1381                          */
1382                         Subj = sbstr("subject");
1383
1384                         StrBufRFC2047encode(&encoded_subject, Subj);
1385                 }
1386                 Recp = sbstr("recp");
1387                 Cc = sbstr("cc");
1388                 Bcc = sbstr("bcc");
1389                 Wikipage = sbstr("wikipage");
1390                 my_email_addr = sbstr("my_email_addr");
1391
1392                 CmdBuf = NewStrBufPlain(NULL,
1393                                         sizeof (CMD) +
1394                                         StrLength(Recp) +
1395                                         StrLength(encoded_subject) +
1396                                         StrLength(Cc) +
1397                                         StrLength(Bcc) +
1398                                         StrLength(Wikipage) +
1399                                         StrLength(my_email_addr) +
1400                                         StrLength(references));
1401
1402                 StrBufPrintf(CmdBuf,
1403                              CMD,
1404                              save_to_drafts?"":ChrPtr(Recp),
1405                              is_anonymous,
1406                              ChrPtr(encoded_subject),
1407                              ChrPtr(display_name),
1408                              save_to_drafts?"":ChrPtr(Cc),
1409                              save_to_drafts?"":ChrPtr(Bcc),
1410                              ChrPtr(Wikipage),
1411                              ChrPtr(my_email_addr),
1412                              ChrPtr(references));
1413                 FreeStrBuf(&references);
1414                 FreeStrBuf(&encoded_subject);
1415
1416                 lprintf(9, "%s\n", ChrPtr(CmdBuf));
1417                 serv_puts(ChrPtr(CmdBuf));
1418                 FreeStrBuf(&CmdBuf);
1419
1420                 StrBuf_ServGetln(Buf);
1421                 if (GetServerStatus(Buf, NULL) == 4) {
1422                         if (save_to_drafts) {
1423                                 if (  (havebstr("recp"))
1424                                     || (havebstr("cc"  ))
1425                                     || (havebstr("bcc" )) ) {
1426                                         /* save recipient headers or room to post to */
1427                                         serv_printf("To: %s", ChrPtr(Recp));
1428                                         serv_printf("Cc: %s", ChrPtr(Cc));
1429                                         serv_printf("Bcc: %s", ChrPtr(Bcc));
1430                                 } else {
1431                                         serv_printf("X-Citadel-Room: %s", ChrPtr(WC->wc_roomname));
1432                                 }
1433                         }
1434                         post_mime_to_server();
1435                         if (save_to_drafts) {
1436                                 StrBufAppendBufPlain(WCC->ImportantMsg, _("Message has been saved to Drafts.\n"), -1, 0);
1437                                 gotoroom(WCC->wc_roomname);
1438                                 display_enter();
1439                                 FreeStrBuf(&Buf);
1440                                 return;
1441                         } else if (  (havebstr("recp"))
1442                            || (havebstr("cc"  ))
1443                            || (havebstr("bcc" ))
1444                         ) {
1445                                 StrBufAppendBufPlain(WCC->ImportantMsg, _("Message has been sent.\n"), -1, 0);
1446                         }
1447                         else {
1448                                 StrBufAppendBufPlain(WCC->ImportantMsg, _("Message has been posted.\n"), -1, 0);
1449                         }
1450                         dont_post = lbstr("postseq");
1451                 } else {
1452                         StrBufCutLeft(Buf, 4);
1453
1454                         lprintf(9, "%s:%d: server post error: %s\n", __FILE__, __LINE__, ChrPtr(Buf));
1455                         StrBufAppendBuf(WCC->ImportantMsg, Buf, 0);
1456                         if (save_to_drafts) gotoroom(WCC->wc_roomname);
1457                         display_enter();
1458                         FreeStrBuf(&Buf);
1459                         return;
1460                 }
1461                 FreeStrBuf(&Buf);
1462         }
1463
1464         DeleteHash(&WCC->attachments);
1465
1466         /*
1467          *  We may have been supplied with instructions regarding the location
1468          *  to which we must return after posting.  If found, go there.
1469          */
1470         if (havebstr("return_to")) {
1471                 http_redirect(bstr("return_to"));
1472         }
1473         /*
1474          *  If we were editing a page in a wiki room, go to that page now.
1475          */
1476         else if (havebstr("wikipage")) {
1477                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
1478                 http_redirect(buf);
1479         }
1480         /*
1481          *  Otherwise, just go to the "read messages" loop.
1482          */
1483         else {
1484                 readloop(readnew);
1485         }
1486 }
1487
1488
1489
1490
1491 /*
1492  * display the message entry screen
1493  */
1494 void display_enter(void)
1495 {
1496         char buf[SIZ];
1497         long now;
1498         const StrBuf *display_name = NULL;
1499         int recipient_required = 0;
1500         int subject_required = 0;
1501         int recipient_bad = 0;
1502         int is_anonymous = 0;
1503         wcsession *WCC = WC;
1504
1505         now = time(NULL);
1506
1507         if (havebstr("force_room")) {
1508                 gotoroom(sbstr("force_room"));
1509         }
1510
1511         display_name = sbstr("display_name");
1512         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1513                 display_name = NULL;
1514                 is_anonymous = 1;
1515         }
1516
1517         /* First test to see whether this is a room that requires recipients to be entered */
1518         serv_puts("ENT0 0");
1519         serv_getln(buf, sizeof buf);
1520
1521         if (!strncmp(buf, "570", 3)) {          /* 570 means that we need a recipient here */
1522                 recipient_required = 1;
1523         }
1524         else if (buf[0] != '2') {               /* Any other error means that we cannot continue */
1525                 sprintf(WCC->ImportantMessage, "%s", &buf[4]);
1526                 readloop(readnew);
1527                 return;
1528         }
1529
1530         /* Is the server strongly recommending that the user enter a message subject? */
1531         if ((buf[3] != '\0') && (buf[4] != '\0')) {
1532                 subject_required = extract_int(&buf[4], 1);
1533         }
1534
1535         /*
1536          * Are we perhaps in an address book view?  If so, then an "enter
1537          * message" command really means "add new entry."
1538          */
1539         if (WCC->wc_default_view == VIEW_ADDRESSBOOK) {
1540                 do_edit_vcard(-1, "", NULL, NULL, "",  ChrPtr(WCC->wc_roomname));
1541                 return;
1542         }
1543
1544         /*
1545          * Are we perhaps in a calendar room?  If so, then an "enter
1546          * message" command really means "add new calendar item."
1547          */
1548         if (WCC->wc_default_view == VIEW_CALENDAR) {
1549                 display_edit_event();
1550                 return;
1551         }
1552
1553         /*
1554          * Are we perhaps in a tasks view?  If so, then an "enter
1555          * message" command really means "add new task."
1556          */
1557         if (WCC->wc_default_view == VIEW_TASKS) {
1558                 display_edit_task();
1559                 return;
1560         }
1561
1562         /*
1563          * Otherwise proceed normally.
1564          * Do a custom room banner with no navbar...
1565          */
1566
1567         if (recipient_required) {
1568                 const StrBuf *Recp = NULL;
1569                 const StrBuf *Cc = NULL;
1570                 const StrBuf *Bcc = NULL;
1571                 const StrBuf *Wikipage = NULL;
1572                 StrBuf *CmdBuf = NULL;
1573                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1574
1575                 Recp = sbstr("recp");
1576                 Cc = sbstr("cc");
1577                 Bcc = sbstr("bcc");
1578                 Wikipage = sbstr("wikipage");
1579
1580                 CmdBuf = NewStrBufPlain(NULL,
1581                                         sizeof (CMD) +
1582                                         StrLength(Recp) +
1583                                         StrLength(display_name) +
1584                                         StrLength(Cc) +
1585                                         StrLength(Bcc) +
1586                                         StrLength(Wikipage));
1587
1588                 StrBufPrintf(CmdBuf,
1589                              CMD,
1590                              ChrPtr(Recp),
1591                              is_anonymous,
1592                              ChrPtr(display_name),
1593                              ChrPtr(Cc),
1594                              ChrPtr(Bcc),
1595                              ChrPtr(Wikipage));
1596                 serv_puts(ChrPtr(CmdBuf));
1597                 serv_getln(buf, sizeof buf);
1598                 FreeStrBuf(&CmdBuf);
1599
1600                 if (!strncmp(buf, "570", 3)) {  /* 570 means we have an invalid recipient listed */
1601                         if (havebstr("recp") &&
1602                             havebstr("cc"  ) &&
1603                             havebstr("bcc" )) {
1604                                 recipient_bad = 1;
1605                         }
1606                 }
1607                 else if (buf[0] != '2') {       /* Any other error means that we cannot continue */
1608                         wprintf("<em>%s</em><br />\n", &buf[4]);        /* TODO -> important message */
1609                         return;
1610                 }
1611         }
1612         svputlong("RCPTREQUIRED", recipient_required);
1613         svputlong("SUBJREQUIRED", recipient_required || subject_required);
1614
1615         begin_burst();
1616         output_headers(1, 0, 0, 0, 1, 0);
1617         DoTemplate(HKEY("edit_message"), NULL, &NoCtx);
1618         end_burst();
1619
1620         return;
1621 }
1622
1623 /*
1624  * delete a message
1625  */
1626 void delete_msg(void)
1627 {
1628         long msgid;
1629         char buf[SIZ];
1630
1631         msgid = lbstr("msgid");
1632
1633         if (WC->wc_is_trash) {  /* Delete from Trash is a real delete */
1634                 serv_printf("DELE %ld", msgid);
1635         }
1636         else {                  /* Otherwise move it to Trash */
1637                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1638         }
1639
1640         serv_getln(buf, sizeof buf);
1641         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1642         readloop(readnew);
1643 }
1644
1645
1646 /*
1647  * move a message to another room
1648  */
1649 void move_msg(void)
1650 {
1651         long msgid;
1652         char buf[SIZ];
1653
1654         msgid = lbstr("msgid");
1655
1656         if (havebstr("move_button")) {
1657                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1658                 serv_puts(buf);
1659                 serv_getln(buf, sizeof buf);
1660                 sprintf(WC->ImportantMessage, "%s", &buf[4]);
1661         } else {
1662                 sprintf(WC->ImportantMessage, (_("The message was not moved.")));
1663         }
1664
1665         readloop(readnew);
1666 }
1667
1668
1669 /*
1670  * Confirm move of a message
1671  */
1672 void confirm_move_msg(void)
1673 {
1674         long msgid;
1675         char buf[SIZ];
1676         char targ[SIZ];
1677
1678         msgid = lbstr("msgid");
1679
1680
1681         output_headers(1, 1, 2, 0, 0, 0);
1682         wprintf("<div id=\"banner\">\n");
1683         wprintf("<h1>");
1684         wprintf(_("Confirm move of message"));
1685         wprintf("</h1>");
1686         wprintf("</div>\n");
1687
1688         wprintf("<div id=\"content\" class=\"service\">\n");
1689
1690         wprintf("<CENTER>");
1691
1692         wprintf(_("Move this message to:"));
1693         wprintf("<br />\n");
1694
1695         wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
1696         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
1697         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
1698
1699         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1700         serv_puts("LKRA");
1701         serv_getln(buf, sizeof buf);
1702         if (buf[0] == '1') {
1703                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1704                         extract_token(targ, buf, 0, '|', sizeof targ);
1705                         wprintf("<OPTION>");
1706                         escputs(targ);
1707                         wprintf("\n");
1708                 }
1709         }
1710         wprintf("</SELECT>\n");
1711         wprintf("<br />\n");
1712
1713         wprintf("<INPUT TYPE=\"submit\" NAME=\"move_button\" VALUE=\"%s\">", _("Move"));
1714         wprintf("&nbsp;");
1715         wprintf("<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">", _("Cancel"));
1716         wprintf("</form></CENTER>\n");
1717
1718         wprintf("</CENTER>\n");
1719         wDumpContent(1);
1720 }
1721
1722
1723 /*
1724  * Generic function to output an arbitrary MIME attachment from
1725  * message being composed
1726  *
1727  * partnum              The MIME part to be output
1728  * filename             Fake filename to give
1729  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1730  */
1731 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1732 {
1733         void *vPart;
1734         StrBuf *content_type;
1735         wc_mime_attachment *part;
1736
1737         if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
1738             (vPart != NULL)) {
1739                 part = (wc_mime_attachment*) vPart;
1740                 if (force_download) {
1741                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1742                 }
1743                 else {
1744                         content_type = NewStrBufDup(part->ContentType);
1745                 }
1746                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1747                 http_transmit_thing(ChrPtr(content_type), 0);
1748         } else {
1749                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1750                 output_headers(0, 0, 0, 0, 0, 0);
1751                 hprintf("Content-Type: text/plain\r\n");
1752                 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
1753                         ChrPtr(partnum), ChrPtr(filename));
1754                 end_burst();
1755         }
1756         FreeStrBuf(&content_type);
1757 }
1758
1759
1760 /*
1761  * Generic function to output an arbitrary MIME part from an arbitrary
1762  * message number on the server.
1763  *
1764  * msgnum               Number of the item on the citadel server
1765  * partnum              The MIME part to be output
1766  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1767  */
1768 void mimepart(int force_download)
1769 {
1770         long msgnum;
1771         StrBuf *att;
1772         wcsession *WCC = WC;
1773         StrBuf *Buf;
1774         off_t bytes;
1775         StrBuf *ContentType = NewStrBufPlain(HKEY("application/octet-stream"));
1776         const char *CT;
1777
1778         att = Buf = NewStrBuf();
1779         msgnum = StrBufExtract_long(WCC->Hdr->HR.ReqLine, 0, '/');
1780         StrBufExtract_token(att, WCC->Hdr->HR.ReqLine, 1, '/');
1781
1782         serv_printf("OPNA %ld|%s", msgnum, ChrPtr(att));
1783         StrBuf_ServGetln(Buf);
1784         if (GetServerStatus(Buf, NULL) == 2) {
1785                 StrBufCutLeft(Buf, 4);
1786                 bytes = StrBufExtract_long(Buf, 0, '|');
1787                 if (!force_download) {
1788                         StrBufExtract_token(ContentType, Buf, 3, '|');
1789                 }
1790
1791                 read_server_binary(WCC->WBuf, bytes, Buf);
1792                 serv_puts("CLOS");
1793                 StrBuf_ServGetln(Buf);
1794                 CT = ChrPtr(ContentType);
1795
1796                 if (!force_download) {
1797                         if (!strcasecmp(ChrPtr(ContentType), "application/octet-stream")) {
1798                                 StrBufExtract_token(Buf, WCC->Hdr->HR.ReqLine, 2, '/');
1799                                 CT = GuessMimeByFilename(SKEY(Buf));
1800                         }
1801                         if (!strcasecmp(ChrPtr(ContentType), "application/octet-stream")) {
1802                                 CT = GuessMimeType(SKEY(WCC->WBuf));
1803                         }
1804                 }
1805                 http_transmit_thing(CT, 0);
1806         } else {
1807                 StrBufCutLeft(Buf, 4);
1808                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(Buf));
1809                 output_headers(0, 0, 0, 0, 0, 0);
1810                 hprintf("Content-Type: text/plain\r\n");
1811                 wprintf(_("An error occurred while retrieving this part: %s\n"),
1812                         ChrPtr(Buf));
1813                 end_burst();
1814         }
1815         FreeStrBuf(&ContentType);
1816         FreeStrBuf(&Buf);
1817 }
1818
1819
1820 /*
1821  * Read any MIME part of a message, from the server, into memory.
1822  */
1823 StrBuf *load_mimepart(long msgnum, char *partnum)
1824 {
1825         off_t bytes;
1826         StrBuf *Buf;
1827
1828         Buf = NewStrBuf();
1829         serv_printf("DLAT %ld|%s", msgnum, partnum);
1830         StrBuf_ServGetln(Buf);
1831         if (GetServerStatus(Buf, NULL) == 6) {
1832                 StrBufCutLeft(Buf, 4);
1833                 bytes = StrBufExtract_long(Buf, 0, '|');
1834                 FreeStrBuf(&Buf);
1835                 Buf = NewStrBuf();
1836                 StrBuf_ServGetBLOBBuffered(Buf, bytes);
1837                 return(Buf);
1838         }
1839         else {
1840                 FreeStrBuf(&Buf);
1841                 return(NULL);
1842         }
1843 }
1844
1845 /*
1846  * Read any MIME part of a message, from the server, into memory.
1847  */
1848 void MimeLoadData(wc_mime_attachment *Mime)
1849 {
1850         StrBuf *Buf;
1851         off_t bytes;
1852         /* TODO: is there a chance the content type is different from the one we know? */
1853         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1854         Buf = NewStrBuf();
1855         StrBuf_ServGetln(Buf);
1856         if (GetServerStatus(Buf, NULL) == 6) {
1857                 bytes = extract_long(&(ChrPtr(Buf)[4]), 0);
1858
1859                 if (Mime->Data == NULL)
1860                         Mime->Data = NewStrBufPlain(NULL, bytes);
1861                 StrBuf_ServGetBLOBBuffered(Mime->Data, bytes);
1862         }
1863         else {
1864                 FlushStrBuf(Mime->Data);
1865                 /* TODO XImportant message */
1866         }
1867         FreeStrBuf(&Buf);
1868 }
1869
1870
1871
1872
1873 void view_mimepart(void) {
1874         mimepart(0);
1875 }
1876
1877 void download_mimepart(void) {
1878         mimepart(1);
1879 }
1880
1881 void view_postpart(void) {
1882         StrBuf *filename = NewStrBuf();
1883         StrBuf *partnum = NewStrBuf();
1884
1885         StrBufExtract_token(partnum, WC->Hdr->HR.ReqLine, 0, '/');
1886         StrBufExtract_token(filename, WC->Hdr->HR.ReqLine, 1, '/');
1887
1888         postpart(partnum, filename, 0);
1889
1890         FreeStrBuf(&filename);
1891         FreeStrBuf(&partnum);
1892 }
1893
1894 void download_postpart(void) {
1895         StrBuf *filename = NewStrBuf();
1896         StrBuf *partnum = NewStrBuf();
1897
1898         StrBufExtract_token(partnum, WC->Hdr->HR.ReqLine, 0, '/');
1899         StrBufExtract_token(filename, WC->Hdr->HR.ReqLine, 1, '/');
1900
1901         postpart(partnum, filename, 1);
1902
1903         FreeStrBuf(&filename);
1904         FreeStrBuf(&partnum);
1905 }
1906
1907 void h_readnew(void) { readloop(readnew);}
1908 void h_readold(void) { readloop(readold);}
1909 void h_readfwd(void) { readloop(readfwd);}
1910 void h_headers(void) { readloop(headers);}
1911 void h_do_search(void) { readloop(do_search);}
1912 void h_readgt(void) { readloop(readgt);}
1913
1914 void jsonMessageListHdr(void)
1915 {
1916         /* TODO: make a generic function */
1917         hprintf("HTTP/1.1 200 OK\r\n");
1918         hprintf("Content-type: application/json; charset=utf-8\r\n");
1919         hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
1920         hprintf("Connection: close\r\n");
1921         hprintf("Pragma: no-cache\r\nCache-Control: no-store\r\nExpires:-1\r\n");
1922         begin_burst();
1923 }
1924
1925 /* Spit out the new summary view. This is basically a static page, so clients can cache the layout, all the dirty work is javascript :) */
1926 void new_summary_view(void) {
1927         begin_burst();
1928         DoTemplate(HKEY("msg_listview"),NULL,&NoCtx);
1929         DoTemplate(HKEY("trailing"),NULL,&NoCtx);
1930         end_burst();
1931 }
1932
1933 /* Output message list in JSON format */
1934 void jsonMessageList(void) {
1935         const StrBuf *room = sbstr("room");
1936         long oper = (havebstr("query")) ? do_search : readnew;
1937         WC->is_ajax = 1;
1938         gotoroom(room);
1939         readloop(oper);
1940         WC->is_ajax = 0;
1941 }
1942
1943 void
1944 InitModule_MSG
1945 (void)
1946 {
1947         RegisterPreference("use_sig",
1948                            _("Attach signature to email messages?"),
1949                            PRF_YESNO,
1950                            NULL);
1951         RegisterPreference("signature", _("Use this signature:"), PRF_QP_STRING, NULL);
1952         RegisterPreference("default_header_charset",
1953                            _("Default character set for email headers:"),
1954                            PRF_STRING,
1955                            NULL);
1956         RegisterPreference("defaultfrom", _("Preferred email address"), PRF_STRING, NULL);
1957         RegisterPreference("defaultname",
1958                            _("Preferred display name for email messages"),
1959                            PRF_STRING,
1960                            NULL);
1961         RegisterPreference("defaulthandle",
1962                            _("Preferred display name for bulletin board posts"),
1963                            PRF_STRING,
1964                            NULL);
1965         RegisterPreference("mailbox",_("Mailbox view mode"), PRF_STRING, NULL);
1966
1967         WebcitAddUrlHandler(HKEY("readnew"), h_readnew, NEED_URL);
1968         WebcitAddUrlHandler(HKEY("readold"), h_readold, NEED_URL);
1969         WebcitAddUrlHandler(HKEY("readfwd"), h_readfwd, NEED_URL);
1970         WebcitAddUrlHandler(HKEY("headers"), h_headers, NEED_URL);
1971         WebcitAddUrlHandler(HKEY("readgt"), h_readgt, NEED_URL);
1972         WebcitAddUrlHandler(HKEY("do_search"), h_do_search, 0);
1973         WebcitAddUrlHandler(HKEY("display_enter"), display_enter, 0);
1974         WebcitAddUrlHandler(HKEY("post"), post_message, 0);
1975         WebcitAddUrlHandler(HKEY("move_msg"), move_msg, 0);
1976         WebcitAddUrlHandler(HKEY("delete_msg"), delete_msg, 0);
1977         WebcitAddUrlHandler(HKEY("confirm_move_msg"), confirm_move_msg, 0);
1978         WebcitAddUrlHandler(HKEY("msg"), embed_message, NEED_URL);
1979         WebcitAddUrlHandler(HKEY("message"), handle_one_message, NEED_URL|XHTTP_COMMANDS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
1980         WebcitAddUrlHandler(HKEY("printmsg"), print_message, NEED_URL);
1981         WebcitAddUrlHandler(HKEY("mobilemsg"), mobile_message_view, NEED_URL);
1982         WebcitAddUrlHandler(HKEY("msgheaders"), display_headers, NEED_URL);
1983
1984         WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1985         WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1986         WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1987         WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1988
1989         /* json */
1990         WebcitAddUrlHandler(HKEY("roommsgs"), jsonMessageList,0);
1991         return ;
1992 }
1993
1994 void
1995 SessionDetachModule_MSG
1996 (wcsession *sess)
1997 {
1998         DeleteHash(&sess->summ);
1999 }