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