webcit/messages.c

   1 /*
   2  * Functions which deal with the fetching and displaying of messages.
   3  *
   4  * Copyright (c) 1996-2012 by the citadel.org team
   5  *
   6  * This program is open source software.  You can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License, version 3.
   8  *
   9  *
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  *
  17  *
  18  *
  19  */
  20
  21 #include "webcit.h"
  22 #include "webserver.h"
  23 #include "dav.h"
  24 #include "calendar.h"
  25
  26 HashList *MsgHeaderHandler = NULL;
  27 HashList *MsgEvaluators = NULL;
  28 HashList *MimeRenderHandler = NULL;
  29 HashList *ReadLoopHandler = NULL;
  30 int dbg_analyze_msg = 0;
  31
  32 #define SUBJ_COL_WIDTH_PCT              50      /* Mailbox view column width */
  33 #define SENDER_COL_WIDTH_PCT            30      /* Mailbox view column width */
  34 #define DATE_PLUS_BUTTONS_WIDTH_PCT     20      /* Mailbox view column width */
  35
  36 void jsonMessageListHdr(void);
  37
  38 void display_enter(void);
  39
  40 typedef void (*MsgPartEvaluatorFunc)(message_summary *Sum, StrBuf *Buf);
  41
  42 typedef struct _MsgPartEvaluatorStruct {
  43         MsgPartEvaluatorFunc f;
  44 } MsgPartEvaluatorStruct;
  45
  46 int load_message(message_summary *Msg,
  47                  StrBuf *FoundCharset,
  48                  StrBuf **Error)
  49 {
  50         StrBuf *Buf;
  51         StrBuf *HdrToken;
  52         headereval *Hdr;
  53         void *vHdr;
  54         char buf[SIZ];
  55         int Done = 0;
  56         int state=0;
  57
  58         Buf = NewStrBuf();
  59         if (Msg->PartNum != NULL) {
  60                 serv_printf("MSG4 %ld|%s", Msg->msgnum, ChrPtr(Msg->PartNum));
  61         }
  62         else {
  63                 serv_printf("MSG4 %ld", Msg->msgnum);
  64         }
  65
  66         StrBuf_ServGetln(Buf);
  67         if (GetServerStatus(Buf, NULL) != 1) {
  68                 *Error = NewStrBuf();
  69                 StrBufAppendPrintf(*Error, "<strong>");
  70                 StrBufAppendPrintf(*Error, _("ERROR:"));
  71                 StrBufAppendPrintf(*Error, "</strong> %s<br>\n", &buf[4]);
  72                 FreeStrBuf(&Buf);
  73                 return 0;
  74         }
  75
  76         /* begin everythingamundo table */
  77         HdrToken = NewStrBuf();
  78         while (!Done && StrBuf_ServGetln(Buf)>=0) {
  79                 if ( (StrLength(Buf)==3) &&
  80                     !strcmp(ChrPtr(Buf), "000"))
  81                 {
  82                         Done = 1;
  83                         if (state < 2) {
  84                                 if (Msg->MsgBody->Data == NULL)
  85                                         Msg->MsgBody->Data = NewStrBuf();
  86                                 Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/html"));
  87                                 StrBufAppendPrintf(Msg->MsgBody->Data, "<div><i>");
  88                                 StrBufAppendPrintf(Msg->MsgBody->Data, _("Empty message"));
  89                                 StrBufAppendPrintf(Msg->MsgBody->Data, "</i><br><br>\n");
  90                                 StrBufAppendPrintf(Msg->MsgBody->Data, "</div>\n");
  91                         }
  92                         break;
  93                 }
  94                 switch (state) {
  95                 case 0:/* Citadel Message Headers */
  96                         if (StrLength(Buf) == 0) {
  97                                 state ++;
  98                                 break;
  99                         }
 100                         StrBufExtract_token(HdrToken, Buf, 0, '=');
 101                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 102
 103                         /* look up one of the examine_* functions to parse the content */
 104                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 105                             (vHdr != NULL)) {
 106                                 Hdr = (headereval*)vHdr;
 107                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 108                                 if (Hdr->Type == 1) {
 109                                         state++;
 110                                 }
 111                         }/* TODO:
 112                         else LogError(Target,
 113                                       __FUNCTION__,
 114                                       "don't know how to handle message header[%s]\n",
 115                                       ChrPtr(HdrToken));
 116                          */
 117                         break;
 118                 case 1:/* Message Mime Header */
 119                         if (StrLength(Buf) == 0) {
 120                                 state++;
 121                                 if (Msg->MsgBody->ContentType == NULL)
 122                                         /* end of header or no header? */
 123                                         Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/plain"));
 124                                  /* usual end of mime header */
 125                         }
 126                         else
 127                         {
 128                                 StrBufExtract_token(HdrToken, Buf, 0, ':');
 129                                 if (StrLength(HdrToken) > 0) {
 130                                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 131                                         /* the examine*'s know how to do with mime headers too... */
 132                                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 133                                             (vHdr != NULL)) {
 134                                                 Hdr = (headereval*)vHdr;
 135                                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 136                                         }
 137                                         break;
 138                                 }
 139                         }
 140                 case 2: /* Message Body */
 141
 142                         if (Msg->MsgBody->size_known > 0) {
 143                                 StrBuf_ServGetBLOBBuffered(Msg->MsgBody->Data, Msg->MsgBody->length);
 144                                 state ++;
 145                                 /*/ todo: check next line, if not 000, append following lines */
 146                         }
 147                         else if (1){
 148                                 if (StrLength(Msg->MsgBody->Data) > 0)
 149                                         StrBufAppendBufPlain(Msg->MsgBody->Data, "\n", 1, 0);
 150                                 StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 151                         }
 152                         break;
 153                 case 3:
 154                         StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 155                         break;
 156                 }
 157         }
 158
 159         if (Msg->AllAttach == NULL)
 160                 Msg->AllAttach = NewHash(1,NULL);
 161         /* now we put the body mimepart we read above into the mimelist */
 162         Put(Msg->AllAttach, SKEY(Msg->MsgBody->PartNum), Msg->MsgBody, DestroyMime);
 163
 164         FreeStrBuf(&Buf);
 165         FreeStrBuf(&HdrToken);
 166         return 1;
 167 }
 168
 169
 170
 171 /*
 172  * I wanna SEE that message!
 173  *
 174  * msgnum               Message number to display
 175  * printable_view       Nonzero to display a printable view
 176  * section              Optional for encapsulated message/rfc822 submessage
 177  */
 178 int read_message(StrBuf *Target, const char *tmpl, long tmpllen, long msgnum, const StrBuf *PartNum, const StrBuf **OutMime)
 179 {
 180         StrBuf *Buf;
 181         StrBuf *FoundCharset;
 182         HashPos  *it;
 183         void *vMime;
 184         message_summary *Msg = NULL;
 185         void *vHdr;
 186         long len;
 187         const char *Key;
 188         WCTemplputParams SubTP;
 189         StrBuf *Error = NULL;
 190
 191         Buf = NewStrBuf();
 192         FoundCharset = NewStrBuf();
 193         Msg = (message_summary *)malloc(sizeof(message_summary));
 194         memset(Msg, 0, sizeof(message_summary));
 195         Msg->msgnum = msgnum;
 196         Msg->PartNum = PartNum;
 197         Msg->MsgBody =  (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
 198         memset(Msg->MsgBody, 0, sizeof(wc_mime_attachment));
 199         Msg->MsgBody->msgnum = msgnum;
 200
 201         if (!load_message(Msg, FoundCharset, &Error)) {
 202                 StrBufAppendBuf(Target, Error, 0);
 203                 FreeStrBuf(&Error);
 204         }
 205
 206         /* Extract just the content-type (omit attributes such as "charset") */
 207         StrBufExtract_token(Buf, Msg->MsgBody->ContentType, 0, ';');
 208         StrBufTrim(Buf);
 209         StrBufLowerCase(Buf);
 210
 211         /* Locate a renderer capable of converting this MIME part into HTML */
 212         if (GetHash(MimeRenderHandler, SKEY(Buf), &vHdr) &&
 213             (vHdr != NULL)) {
 214                 RenderMimeFuncStruct *Render;
 215                 Render = (RenderMimeFuncStruct*)vHdr;
 216                 Render->f(Msg->MsgBody, NULL, FoundCharset);
 217         }
 218
 219         if (StrLength(Msg->reply_references)> 0) {
 220                 /* Trim down excessively long lists of thread references.  We eliminate the
 221                  * second one in the list so that the thread root remains intact.
 222                  */
 223                 int rrtok = num_tokens(ChrPtr(Msg->reply_references), '|');
 224                 int rrlen = StrLength(Msg->reply_references);
 225                 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
 226                         StrBufRemove_token(Msg->reply_references, 1, '|');
 227                 }
 228         }
 229
 230         /* now check if we need to translate some mimeparts, and remove the duplicate */
 231         it = GetNewHashPos(Msg->AllAttach, 0);
 232         while (GetNextHashPos(Msg->AllAttach, it, &len, &Key, &vMime) &&
 233                (vMime != NULL)) {
 234                 wc_mime_attachment *Mime = (wc_mime_attachment*) vMime;
 235                 evaluate_mime_part(Msg, Mime);
 236         }
 237         DeleteHashPos(&it);
 238         memset(&SubTP, 0, sizeof(WCTemplputParams));
 239         SubTP.Filter.ContextType = CTX_MAILSUM;
 240         SubTP.Context = Msg;
 241         *OutMime = DoTemplate(tmpl, tmpllen, Target, &SubTP);
 242
 243         DestroyMessageSummary(Msg);
 244         FreeStrBuf(&FoundCharset);
 245         FreeStrBuf(&Buf);
 246         return 1;
 247 }
 248
 249
 250 long
 251 HttpStatus(long CitadelStatus)
 252 {
 253         long httpstatus = 502;
 254
 255         switch (MAJORCODE(CitadelStatus))
 256         {
 257         case LISTING_FOLLOWS:
 258         case CIT_OK:
 259                 httpstatus = 201;
 260                 break;
 261         case ERROR:
 262                 switch (MINORCODE(CitadelStatus))
 263                 {
 264                 case INTERNAL_ERROR:
 265                         httpstatus = 403;
 266                         break;
 267
 268                 case TOO_BIG:
 269                 case ILLEGAL_VALUE:
 270                 case HIGHER_ACCESS_REQUIRED:
 271                 case MAX_SESSIONS_EXCEEDED:
 272                 case RESOURCE_BUSY:
 273                 case RESOURCE_NOT_OPEN:
 274                 case NOT_HERE:
 275                 case INVALID_FLOOR_OPERATION:
 276                 case FILE_NOT_FOUND:
 277                 case ROOM_NOT_FOUND:
 278                         httpstatus = 409;
 279                         break;
 280
 281                 case MESSAGE_NOT_FOUND:
 282                 case ALREADY_EXISTS:
 283                         httpstatus = 403;
 284                         break;
 285
 286                 case NO_SUCH_SYSTEM:
 287                         httpstatus = 502;
 288                         break;
 289
 290                 default:
 291                 case CMD_NOT_SUPPORTED:
 292                 case PASSWORD_REQUIRED:
 293                 case ALREADY_LOGGED_IN:
 294                 case USERNAME_REQUIRED:
 295                 case NOT_LOGGED_IN:
 296                 case SERVER_SHUTTING_DOWN:
 297                 case NO_SUCH_USER:
 298                 case ASYNC_GEXP:
 299                         httpstatus = 502;
 300                         break;
 301                 }
 302                 break;
 303
 304         default:
 305         case BINARY_FOLLOWS:
 306         case SEND_BINARY:
 307         case START_CHAT_MODE:
 308         case ASYNC_MSG:
 309         case MORE_DATA:
 310         case SEND_LISTING:
 311                 httpstatus = 502; /* aeh... whut? */
 312                 break;
 313         }
 314
 315         return httpstatus;
 316 }
 317
 318 /*
 319  * Unadorned HTML output of an individual message, suitable
 320  * for placing in a hidden iframe, for printing, or whatever
 321  */
 322 void handle_one_message(void)
 323 {
 324         long CitStatus;
 325         int CopyMessage = 0;
 326         const StrBuf *Destination;
 327         void *vLine;
 328         const StrBuf *Mime;
 329         long msgnum = 0L;
 330         wcsession *WCC = WC;
 331         const StrBuf *Tmpl;
 332         StrBuf *CmdBuf = NULL;
 333         const char *pMsg;
 334
 335
 336         pMsg = strchr(ChrPtr(WCC->Hdr->HR.ReqLine), '/');
 337         if (pMsg == NULL) {
 338                 HttpStatus(CitStatus);
 339                 return;
 340         }
 341
 342         msgnum = atol(pMsg + 1);
 343         StrBufCutAt(WCC->Hdr->HR.ReqLine, 0, pMsg);
 344         gotoroom(WCC->Hdr->HR.ReqLine);
 345         switch (WCC->Hdr->HR.eReqType)
 346         {
 347         case eGET:
 348         case ePOST:
 349                 Tmpl = sbstr("template");
 350                 if (StrLength(Tmpl) > 0)
 351                         read_message(WCC->WBuf, SKEY(Tmpl), msgnum, NULL, &Mime);
 352                 else
 353                         read_message(WCC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
 354                 http_transmit_thing(ChrPtr(Mime), 0);
 355                 break;
 356         case eDELETE:
 357                 CmdBuf = NewStrBuf ();
 358                 if ((WCC->CurRoom.RAFlags & UA_ISTRASH) != 0) { /* Delete from Trash is a real delete */
 359                         serv_printf("DELE %ld", msgnum);
 360                 }
 361                 else {                  /* Otherwise move it to Trash */
 362                         serv_printf("MOVE %ld|_TRASH_|0", msgnum);
 363                 }
 364                 StrBuf_ServGetln(CmdBuf);
 365                 GetServerStatusMsg(CmdBuf, &CitStatus, 1, 0);
 366                 HttpStatus(CitStatus);
 367                 break;
 368         case eCOPY:
 369                 CopyMessage = 1;
 370         case eMOVE:
 371                 if (GetHash(WCC->Hdr->HTTPHeaders, HKEY("DESTINATION"), &vLine) &&
 372                     (vLine!=NULL)) {
 373                         Destination = (StrBuf*) vLine;
 374                         serv_printf("MOVE %ld|%s|%d", msgnum, ChrPtr(Destination), CopyMessage);
 375                         StrBuf_ServGetln(CmdBuf);
 376                         GetServerStatusMsg(CmdBuf, NULL, 1, 0);
 377                         GetServerStatus(CmdBuf, &CitStatus);
 378                         HttpStatus(CitStatus);
 379                 }
 380                 else
 381                         HttpStatus(500);
 382                 break;
 383         default:
 384                 break;
 385
 386         }
 387 }
 388
 389
 390 /*
 391  * Unadorned HTML output of an individual message, suitable
 392  * for placing in a hidden iframe, for printing, or whatever
 393  */
 394 void embed_message(void) {
 395         const StrBuf *Mime;
 396         long msgnum = 0L;
 397         wcsession *WCC = WC;
 398         const StrBuf *Tmpl;
 399         StrBuf *CmdBuf = NULL;
 400
 401         msgnum = StrBufExtract_long(WCC->Hdr->HR.ReqLine, 0, '/');
 402         if (msgnum <= 0) return;
 403
 404         switch (WCC->Hdr->HR.eReqType)
 405         {
 406         case eGET:
 407         case ePOST:
 408                 Tmpl = sbstr("template");
 409                 if (StrLength(Tmpl) > 0)
 410                         read_message(WCC->WBuf, SKEY(Tmpl), msgnum, NULL, &Mime);
 411                 else
 412                         read_message(WCC->WBuf, HKEY("view_message"), msgnum, NULL, &Mime);
 413                 http_transmit_thing(ChrPtr(Mime), 0);
 414                 break;
 415         case eDELETE:
 416                 CmdBuf = NewStrBuf ();
 417                 if ((WCC->CurRoom.RAFlags & UA_ISTRASH) != 0) { /* Delete from Trash is a real delete */
 418                         serv_printf("DELE %ld", msgnum);
 419                 }
 420                 else {                  /* Otherwise move it to Trash */
 421                         serv_printf("MOVE %ld|_TRASH_|0", msgnum);
 422                 }
 423                 StrBuf_ServGetln(CmdBuf);
 424                 GetServerStatusMsg(CmdBuf, NULL, 1, 0);
 425                 break;
 426         default:
 427                 break;
 428
 429         }
 430 }
 431
 432
 433 /*
 434  * Printable view of a message
 435  */
 436 void print_message(void) {
 437         long msgnum = 0L;
 438         const StrBuf *Mime;
 439
 440         msgnum = StrBufExtract_long(WC->Hdr->HR.ReqLine, 0, '/');
 441         output_headers(0, 0, 0, 0, 0, 0);
 442
 443         hprintf("Content-type: text/html\r\n"
 444                 "Server: " PACKAGE_STRING "\r\n"
 445                 "Connection: close\r\n");
 446
 447         begin_burst();
 448
 449         read_message(WC->WBuf, HKEY("view_message_print"), msgnum, NULL, &Mime);
 450
 451         wDumpContent(0);
 452 }
 453
 454 /*
 455  * Display a message's headers
 456  */
 457 void display_headers(void) {
 458         long msgnum = 0L;
 459         char buf[1024];
 460
 461         msgnum = StrBufExtract_long(WC->Hdr->HR.ReqLine, 0, '/');
 462         output_headers(0, 0, 0, 0, 0, 0);
 463
 464         hprintf("Content-type: text/plain\r\n"
 465                 "Server: %s\r\n"
 466                 "Connection: close\r\n",
 467                 PACKAGE_STRING);
 468         begin_burst();
 469
 470         serv_printf("MSG2 %ld|3", msgnum);
 471         serv_getln(buf, sizeof buf);
 472         if (buf[0] == '1') {
 473                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 474                         wc_printf("%s\n", buf);
 475                 }
 476         }
 477
 478         wDumpContent(0);
 479 }
 480
 481
 482 message_summary *ReadOneMessageSummary(StrBuf *RawMessage, const char *DefaultSubject, long MsgNum)
 483 {
 484         void                 *vEval;
 485         MsgPartEvaluatorStruct  *Eval;
 486         message_summary      *Msg;
 487         StrBuf *Buf;
 488         const char *buf;
 489         const char *ebuf;
 490         int nBuf;
 491         long len;
 492
 493         Buf = NewStrBuf();
 494
 495         serv_printf("MSG0 %ld|1", MsgNum);      /* ask for headers only */
 496
 497         StrBuf_ServGetln(Buf);
 498         if (GetServerStatus(Buf, NULL) == 1) {
 499                 FreeStrBuf(&Buf);
 500                 return NULL;
 501         }
 502
 503         Msg = (message_summary*)malloc(sizeof(message_summary));
 504         memset(Msg, 0, sizeof(message_summary));
 505         while (len = StrBuf_ServGetln(Buf),
 506                (len >= 0) &&
 507                ((len != 3)  ||
 508                 strcmp(ChrPtr(Buf), "000")))
 509         {
 510                 buf = ChrPtr(Buf);
 511                 ebuf = strchr(ChrPtr(Buf), '=');
 512                 nBuf = ebuf - buf;
 513                 if (GetHash(MsgEvaluators, buf, nBuf, &vEval) && vEval != NULL) {
 514                         Eval = (MsgPartEvaluatorStruct*) vEval;
 515                         StrBufCutLeft(Buf, nBuf + 1);
 516                         Eval->f(Msg, Buf);
 517                 }
 518                 else syslog(1, "Don't know how to handle Message Headerline [%s]", ChrPtr(Buf));
 519         }
 520         return Msg;
 521 }
 522
 523
 524
 525
 526
 527 /*
 528  * load message pointers from the server for a "read messages" operation
 529  *
 530  * servcmd:             the citadel command to send to the citserver
 531  */
 532 int load_msg_ptrs(const char *servcmd,
 533                   const char *filter,
 534                   SharedMessageStatus *Stat,
 535                   load_msg_ptrs_detailheaders LH)
 536 {
 537         wcsession *WCC = WC;
 538         message_summary *Msg;
 539         StrBuf *Buf, *Buf2;
 540         long len;
 541         int n;
 542         int skipit;
 543         const char *Ptr = NULL;
 544         int StatMajor;
 545
 546         Stat->lowest_found = LONG_MAX;
 547         Stat->highest_found = LONG_MIN;
 548
 549         if (WCC->summ != NULL) {
 550                 DeleteHash(&WCC->summ);
 551         }
 552         WCC->summ = NewHash(1, Flathash);
 553
 554         Buf = NewStrBuf();
 555         serv_puts(servcmd);
 556         StrBuf_ServGetln(Buf);
 557         StatMajor = GetServerStatus(Buf, NULL);
 558         switch (StatMajor) {
 559         case 1:
 560                 break;
 561         case 8:
 562                 if (filter != NULL) {
 563                         serv_puts(filter);
 564                         serv_puts("000");
 565                         break;
 566                 }
 567                 /* fall back to empty filter in case of we were fooled... */
 568                 serv_puts("");
 569                 serv_puts("000");
 570                 break;
 571         default:
 572                 FreeStrBuf(&Buf);
 573                 return (Stat->nummsgs);
 574         }
 575         Buf2 = NewStrBuf();
 576         while (len = StrBuf_ServGetln(Buf),
 577                ((len >= 0) &&
 578                 ((len != 3) ||
 579                  strcmp(ChrPtr(Buf), "000")!= 0)))
 580         {
 581                 if (Stat->nummsgs < Stat->maxload) {
 582                         skipit = 0;
 583                         Ptr = NULL;
 584                         Msg = (message_summary*)malloc(sizeof(message_summary));
 585                         memset(Msg, 0, sizeof(message_summary));
 586
 587                         Msg->msgnum = StrBufExtractNext_long(Buf, &Ptr, '|');
 588                         Msg->date = StrBufExtractNext_long(Buf, &Ptr, '|');
 589
 590                         if (Stat->nummsgs == 0) {
 591                                 if (Msg->msgnum < Stat->lowest_found) {
 592                                         Stat->lowest_found = Msg->msgnum;
 593                                 }
 594                                 if (Msg->msgnum > Stat->highest_found) {
 595                                         Stat->highest_found = Msg->msgnum;
 596                                 }
 597                         }
 598
 599                         if ((Msg->msgnum == 0) && (StrLength(Buf) < 32)) {
 600                                 free(Msg);
 601                                 continue;
 602                         }
 603
 604                         /*
 605                          * as citserver probably gives us messages in forward date sorting
 606                          * nummsgs should be the same order as the message date.
 607                          */
 608                         if (Msg->date == 0) {
 609                                 Msg->date = Stat->nummsgs;
 610                                 if (StrLength(Buf) < 32)
 611                                         skipit = 1;
 612                         }
 613                         if ((!skipit) && (LH != NULL)) {
 614                                 if (!LH(Buf, &Ptr, Msg, Buf2)){
 615                                         free(Msg);
 616                                         continue;
 617                                 }
 618                         }
 619                         n = Msg->msgnum;
 620                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 621                 }
 622                 Stat->nummsgs++;
 623         }
 624         FreeStrBuf(&Buf2);
 625         FreeStrBuf(&Buf);
 626         return (Stat->nummsgs);
 627 }
 628
 629
 630
 631 /**
 632  * \brief sets FlagToSet for each of ScanMe that appears in MatchMSet
 633  * \param ScanMe List of BasicMsgStruct to be searched it MatchSet
 634  * \param MatchMSet MSet we want to flag
 635  * \param FlagToSet Flag to set on each BasicMsgStruct->Flags if in MSet
 636  */
 637 void SetFlagsFromMSet(HashList *ScanMe, MSet *MatchMSet, int FlagToSet, int Reverse)
 638 {
 639         const char *HashKey;
 640         long HKLen;
 641         HashPos *at;
 642         void *vMsg;
 643         message_summary *Msg;
 644
 645         at = GetNewHashPos(ScanMe, 0);
 646         while (GetNextHashPos(ScanMe, at, &HKLen, &HashKey, &vMsg)) {
 647                 /* Are you a new message, or an old message? */
 648                 Msg = (message_summary*) vMsg;
 649                 if (Reverse && IsInMSetList(MatchMSet, Msg->msgnum)) {
 650                         Msg->Flags = Msg->Flags | FlagToSet;
 651                 }
 652                 else if (!Reverse && !IsInMSetList(MatchMSet, Msg->msgnum)) {
 653                         Msg->Flags = Msg->Flags | FlagToSet;
 654                 }
 655         }
 656         DeleteHashPos(&at);
 657 }
 658
 659
 660 void load_seen_flags(void)
 661 {
 662         StrBuf *OldMsg;
 663         wcsession *WCC = WC;
 664         MSet *MatchMSet;
 665
 666         OldMsg = NewStrBuf();
 667         serv_puts("GTSN");
 668         StrBuf_ServGetln(OldMsg);
 669         if (GetServerStatus(OldMsg, NULL) == 2) {
 670                 StrBufCutLeft(OldMsg, 4);
 671         }
 672         else {
 673                 FreeStrBuf(&OldMsg);
 674                 return;
 675         }
 676
 677         if (ParseMSet(&MatchMSet, OldMsg))
 678         {
 679                 SetFlagsFromMSet(WCC->summ, MatchMSet, MSGFLAG_READ, 0);
 680         }
 681         DeleteMSet(&MatchMSet);
 682         FreeStrBuf(&OldMsg);
 683 }
 684
 685 extern readloop_struct rlid[];
 686
 687 typedef struct _RoomRenderer{
 688         int RoomType;
 689
 690         GetParamsGetServerCall_func GetParamsGetServerCall;
 691
 692         PrintViewHeader_func PrintPageHeader;
 693         PrintViewHeader_func PrintViewHeader;
 694         LoadMsgFromServer_func LoadMsgFromServer;
 695         RenderView_or_Tail_func RenderView_or_Tail;
 696         View_Cleanup_func ViewCleanup;
 697         load_msg_ptrs_detailheaders LHParse;
 698 } RoomRenderer;
 699
 700
 701 /*
 702  * command loop for reading messages
 703  *
 704  * Set oper to "readnew" or "readold" or "readfwd" or "headers" or "readgt" or "readlt" or "do_search"
 705  */
 706 void readloop(long oper, eCustomRoomRenderer ForceRenderer)
 707 {
 708         RoomRenderer *ViewMsg;
 709         void *vViewMsg;
 710         void *vMsg;
 711         message_summary *Msg;
 712         char cmd[256] = "";
 713         char filter[256] = "";
 714         int i, r;
 715         wcsession *WCC = WC;
 716         HashPos *at;
 717         const char *HashKey;
 718         long HKLen;
 719         WCTemplputParams SubTP;
 720         SharedMessageStatus Stat;
 721         void *ViewSpecific;
 722
 723         if (havebstr("is_summary") && (1 == (ibstr("is_summary")))) {
 724                 WCC->CurRoom.view = VIEW_MAILBOX;
 725         }
 726
 727         if (havebstr("view")) {
 728                 WCC->CurRoom.view = ibstr("view");
 729         }
 730
 731         memset(&Stat, 0, sizeof(SharedMessageStatus));
 732         Stat.maxload = 10000;
 733         Stat.lowest_found = (-1);
 734         Stat.highest_found = (-1);
 735         if (ForceRenderer == eUseDefault)
 736                 GetHash(ReadLoopHandler, IKEY(WCC->CurRoom.view), &vViewMsg);
 737         else
 738                 GetHash(ReadLoopHandler, IKEY(ForceRenderer), &vViewMsg);
 739         if (vViewMsg == NULL) {
 740                 WCC->CurRoom.view = VIEW_BBS;
 741                 GetHash(ReadLoopHandler, IKEY(WCC->CurRoom.view), &vViewMsg);
 742         }
 743         if (vViewMsg == NULL) {
 744                 return;                 /* TODO: print message */
 745         }
 746
 747         ViewMsg = (RoomRenderer*) vViewMsg;
 748         if (ViewMsg->PrintPageHeader == NULL)
 749                 output_headers(1, 1, 1, 0, 0, 0);
 750         else
 751                 ViewMsg->PrintPageHeader(&Stat, ViewSpecific);
 752
 753         if (ViewMsg->GetParamsGetServerCall != NULL) {
 754                 r = ViewMsg->GetParamsGetServerCall(
 755                        &Stat,
 756                        &ViewSpecific,
 757                        oper,
 758                        cmd, sizeof(cmd),
 759                        filter, sizeof(filter)
 760                 );
 761         } else {
 762                 r = 0;
 763         }
 764
 765         switch(r)
 766         {
 767         case 400:
 768         case 404:
 769
 770                 return;
 771         case 300: /* the callback hook should do the work for us here, since he knows what to do. */
 772                 return;
 773         case 200:
 774         default:
 775                 break;
 776         }
 777         if (!IsEmptyStr(cmd)) {
 778                 const char *p = NULL;
 779                 if (!IsEmptyStr(filter))
 780                         p = filter;
 781                 Stat.nummsgs = load_msg_ptrs(cmd, p, &Stat, ViewMsg->LHParse);
 782         }
 783
 784         if (Stat.sortit) {
 785                 CompareFunc SortIt;
 786                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 787                 SubTP.Filter.ContextType = CTX_MAILSUM;
 788                 SubTP.Context = NULL;
 789                 SortIt =  RetrieveSort(&SubTP, NULL, 0,
 790                                        HKEY("date"), Stat.defaultsortorder);
 791                 if (SortIt != NULL)
 792                         SortByPayload(WCC->summ, SortIt);
 793         }
 794         if (Stat.startmsg < 0) {
 795                 Stat.startmsg =  0;
 796         }
 797
 798         if (Stat.load_seen) load_seen_flags();
 799
 800         /*
 801          * Print any inforation above the message list...
 802          */
 803         if (ViewMsg->PrintViewHeader != NULL)
 804                 ViewMsg->PrintViewHeader(&Stat, &ViewSpecific);
 805
 806         WCC->startmsg =  Stat.startmsg;
 807         WCC->maxmsgs = Stat.maxmsgs;
 808         WCC->num_displayed = 0;
 809
 810         /* Put some helpful data in vars for mailsummary_json */
 811         {
 812                 StrBuf *Foo;
 813
 814                 Foo = NewStrBuf ();
 815                 StrBufPrintf(Foo, "%ld", Stat.nummsgs);
 816                 PutBstr(HKEY("__READLOOP:TOTALMSGS"), NewStrBufDup(Foo));
 817                 StrBufPrintf(Foo, "%ld", Stat.startmsg);
 818                 PutBstr(HKEY("__READLOOP:STARTMSG"), Foo);
 819         }
 820
 821         /*
 822          * iterate over each message. if we need to load an attachment, do it here.
 823          */
 824
 825         if ((ViewMsg->LoadMsgFromServer != NULL) &&
 826             (!IsEmptyStr(cmd)))
 827         {
 828                 at = GetNewHashPos(WCC->summ, 0);
 829                 Stat.num_displayed = i = 0;
 830                 while ( GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 831                         Msg = (message_summary*) vMsg;
 832                         if ((Msg->msgnum >= Stat.startmsg) && (Stat.num_displayed <= Stat.maxmsgs)) {
 833                                 ViewMsg->LoadMsgFromServer(&Stat,
 834                                                            &ViewSpecific,
 835                                                            Msg,
 836                                                            (Msg->Flags & MSGFLAG_READ) != 0,
 837                                                            i);
 838                         }
 839                         i++;
 840                 }
 841                 DeleteHashPos(&at);
 842         }
 843
 844         /*
 845          * Done iterating the message list. now tasks we want to do after.
 846          */
 847         if (ViewMsg->RenderView_or_Tail != NULL)
 848                 ViewMsg->RenderView_or_Tail(&Stat, &ViewSpecific, oper);
 849
 850         if (ViewMsg->ViewCleanup != NULL)
 851                 ViewMsg->ViewCleanup(&ViewSpecific);
 852
 853         WCC->startmsg = 0;
 854         WCC->maxmsgs = 0;
 855         if (WCC->summ != NULL) {
 856                 DeleteHash(&WCC->summ);
 857         }
 858 }
 859
 860
 861 /*
 862  * Back end for post_message()
 863  * ... this is where the actual message gets transmitted to the server.
 864  */
 865 void post_mime_to_server(void) {
 866         wcsession *WCC = WC;
 867         char top_boundary[SIZ];
 868         char alt_boundary[SIZ];
 869         int is_multipart = 0;
 870         static int seq = 0;
 871         wc_mime_attachment *att;
 872         char *encoded;
 873         size_t encoded_length;
 874         size_t encoded_strlen;
 875         char *txtmail = NULL;
 876         int include_text_alt = 0;       /* Set to nonzero to include multipart/alternative text/plain */
 877
 878         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
 879                 ChrPtr(WCC->serv_info->serv_fqdn),
 880                 getpid(),
 881                 ++seq
 882         );
 883         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
 884                 ChrPtr(WCC->serv_info->serv_fqdn),
 885                 getpid(),
 886                 ++seq
 887         );
 888
 889         /* RFC2045 requires this, and some clients look for it... */
 890         serv_puts("MIME-Version: 1.0");
 891         serv_puts("X-Mailer: " PACKAGE_STRING);
 892
 893         /* If there are attachments, we have to do multipart/mixed */
 894         if (GetCount(WCC->attachments) > 0) {
 895                 is_multipart = 1;
 896         }
 897
 898         /* Only do multipart/alternative for mailboxes.  BBS and Wiki rooms don't need it. */
 899         if (WC->CurRoom.view == VIEW_MAILBOX) {
 900                 include_text_alt = 1;
 901         }
 902
 903         if (is_multipart) {
 904                 /* Remember, serv_printf() appends an extra newline */
 905                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
 906                 serv_printf("This is a multipart message in MIME format.\n");
 907                 serv_printf("--%s", top_boundary);
 908         }
 909
 910         /* Remember, serv_printf() appends an extra newline */
 911         if (include_text_alt) {
 912                 serv_printf("Content-type: multipart/alternative; "
 913                         "boundary=\"%s\"\n", alt_boundary);
 914                 serv_printf("This is a multipart message in MIME format.\n");
 915                 serv_printf("--%s", alt_boundary);
 916
 917                 serv_puts("Content-type: text/plain; charset=utf-8");
 918                 serv_puts("Content-Transfer-Encoding: quoted-printable");
 919                 serv_puts("");
 920                 txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
 921                 text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
 922                 free(txtmail);
 923
 924                 serv_printf("\n--%s", alt_boundary);
 925         }
 926
 927         serv_puts("Content-type: text/html; charset=utf-8");
 928         serv_puts("Content-Transfer-Encoding: quoted-printable");
 929         serv_puts("");
 930         serv_puts("<html><body>\r\n");
 931         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
 932         serv_puts("</body></html>\r\n");
 933
 934         if (include_text_alt) {
 935                 serv_printf("--%s--", alt_boundary);
 936         }
 937
 938         if (is_multipart) {
 939                 long len;
 940                 const char *Key;
 941                 void *vAtt;
 942                 HashPos  *it;
 943
 944                 /* Add in the attachments */
 945                 it = GetNewHashPos(WCC->attachments, 0);
 946                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
 947                         att = (wc_mime_attachment *)vAtt;
 948                         if (att->length == 0)
 949                                 continue;
 950                         encoded_length = ((att->length * 150) / 100);
 951                         encoded = malloc(encoded_length);
 952                         if (encoded == NULL) break;
 953                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
 954
 955                         serv_printf("--%s", top_boundary);
 956                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
 957                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
 958                         serv_puts("Content-transfer-encoding: base64");
 959                         serv_puts("");
 960                         serv_write(encoded, encoded_strlen);
 961                         serv_puts("");
 962                         serv_puts("");
 963                         free(encoded);
 964                 }
 965                 serv_printf("--%s--", top_boundary);
 966                 DeleteHashPos(&it);
 967         }
 968
 969         serv_puts("000");
 970 }
 971
 972
 973 /*
 974  * Post message (or don't post message)
 975  *
 976  * Note regarding the "dont_post" variable:
 977  * A random value (actually, it's just a timestamp) is inserted as a hidden
 978  * field called "postseq" when the display_enter page is generated.  This
 979  * value is checked when posting, using the static variable dont_post.  If a
 980  * user attempts to post twice using the same dont_post value, the message is
 981  * discarded.  This prevents the accidental double-saving of the same message
 982  * if the user happens to click the browser "back" button.
 983  */
 984 void post_message(void)
 985 {
 986         StrBuf *UserName;
 987         StrBuf *EmailAddress;
 988         StrBuf *EncBuf;
 989         char buf[1024];
 990         StrBuf *encoded_subject = NULL;
 991         static long dont_post = (-1L);
 992         int is_anonymous = 0;
 993         const StrBuf *display_name = NULL;
 994         wcsession *WCC = WC;
 995         StrBuf *Buf;
 996
 997         if (havebstr("force_room")) {
 998                 gotoroom(sbstr("force_room"));
 999         }
1000
1001         if (havebstr("display_name")) {
1002                 display_name = sbstr("display_name");
1003                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1004                         display_name = NULL;
1005                         is_anonymous = 1;
1006                 }
1007         }
1008
1009         if (!strcasecmp(bstr("submit_action"), "cancel")) {
1010                 AppendImportantMessage(_("Cancelled.  Message was not posted."), -1);
1011         } else if (lbstr("postseq") == dont_post) {
1012                 AppendImportantMessage(
1013                         _("Automatically cancelled because you have already "
1014                           "saved this message."), -1);
1015         } else {
1016                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1017                 StrBuf *Recp = NULL;
1018                 StrBuf *Cc = NULL;
1019                 StrBuf *Bcc = NULL;
1020                 const StrBuf *Wikipage = NULL;
1021                 const StrBuf *my_email_addr = NULL;
1022                 StrBuf *CmdBuf = NULL;
1023                 StrBuf *references = NULL;
1024                 int saving_to_drafts = 0;
1025                 long HeaderLen = 0;
1026
1027                 saving_to_drafts = !strcasecmp(bstr("submit_action"), "draft");
1028                 Buf = NewStrBuf();
1029
1030                 if (saving_to_drafts) {
1031                         /* temporarily change to the drafts room */
1032                         serv_puts("GOTO _DRAFTS_");
1033                         StrBuf_ServGetln(Buf);
1034                         if (GetServerStatusMsg(Buf, NULL, 1, 2) != 2) {
1035                                 /* You probably don't even have a dumb Drafts folder */
1036                                 syslog(9, "%s:%d: server save to drafts error: %s\n", __FILE__, __LINE__, ChrPtr(Buf) + 4);
1037                                 AppendImportantMessage(_("Saved to Drafts failed: "), -1);
1038                                 display_enter();
1039                                 FreeStrBuf(&Buf);
1040                                 return;
1041                         }
1042                 }
1043
1044                 if (havebstr("references"))
1045                 {
1046                         const StrBuf *ref = sbstr("references");
1047                         references = NewStrBufDup(ref);
1048                         if (*ChrPtr(references) == '|') {       /* remove leading '|' if present */
1049                                 StrBufCutLeft(references, 1);
1050                         }
1051                         StrBufReplaceChars(references, '|', '!');
1052                 }
1053                 if (havebstr("subject")) {
1054                         const StrBuf *Subj;
1055                         /*
1056                          * make enough room for the encoded string;
1057                          * plus the QP header
1058                          */
1059                         Subj = sbstr("subject");
1060
1061                         StrBufRFC2047encode(&encoded_subject, Subj);
1062                 }
1063                 UserName = NewStrBuf();
1064                 EmailAddress = NewStrBuf();
1065                 EncBuf = NewStrBuf();
1066
1067                 Recp = StrBufSanitizeEmailRecipientVector(sbstr("recp"), UserName, EmailAddress, EncBuf);
1068                 Cc = StrBufSanitizeEmailRecipientVector(sbstr("cc"), UserName, EmailAddress, EncBuf);
1069                 Bcc = StrBufSanitizeEmailRecipientVector(sbstr("bcc"), UserName, EmailAddress, EncBuf);
1070
1071                 FreeStrBuf(&UserName);
1072                 FreeStrBuf(&EmailAddress);
1073                 FreeStrBuf(&EncBuf);
1074
1075                 Wikipage = sbstr("page");
1076                 my_email_addr = sbstr("my_email_addr");
1077
1078                 HeaderLen = StrLength(Recp) +
1079                         StrLength(encoded_subject) +
1080                         StrLength(Cc) +
1081                         StrLength(Bcc) +
1082                         StrLength(Wikipage) +
1083                         StrLength(my_email_addr) +
1084                         StrLength(references);
1085                 CmdBuf = NewStrBufPlain(NULL, sizeof (CMD) + HeaderLen);
1086                 StrBufPrintf(CmdBuf,
1087                              CMD,
1088                              saving_to_drafts?"":ChrPtr(Recp),
1089                              is_anonymous,
1090                              ChrPtr(encoded_subject),
1091                              ChrPtr(display_name),
1092                              saving_to_drafts?"":ChrPtr(Cc),
1093                              saving_to_drafts?"":ChrPtr(Bcc),
1094                              ChrPtr(Wikipage),
1095                              ChrPtr(my_email_addr),
1096                              ChrPtr(references));
1097                 FreeStrBuf(&references);
1098                 FreeStrBuf(&encoded_subject);
1099
1100                 if ((HeaderLen + StrLength(sbstr("msgtext")) < 10) &&
1101                     (GetCount(WCC->attachments) == 0)){
1102                         AppendImportantMessage(_("Refusing to post empty message.\n"), -1);
1103                         FreeStrBuf(&CmdBuf);
1104
1105                 }
1106                 else
1107                 {
1108                         syslog(9, "%s\n", ChrPtr(CmdBuf));
1109                         serv_puts(ChrPtr(CmdBuf));
1110                         FreeStrBuf(&CmdBuf);
1111
1112                         StrBuf_ServGetln(Buf);
1113                         if (GetServerStatus(Buf, NULL) == 4) {
1114                                 if (saving_to_drafts) {
1115                                         if (  (havebstr("recp"))
1116                                               || (havebstr("cc"  ))
1117                                               || (havebstr("bcc" )) ) {
1118                                                 /* save recipient headers or room to post to */
1119                                                 serv_printf("To: %s", ChrPtr(Recp));
1120                                                 serv_printf("Cc: %s", ChrPtr(Cc));
1121                                                 serv_printf("Bcc: %s", ChrPtr(Bcc));
1122                                         } else {
1123                                                 serv_printf("X-Citadel-Room: %s", ChrPtr(WC->CurRoom.name));
1124                                         }
1125                                 }
1126                                 post_mime_to_server();
1127                                 if (saving_to_drafts) {
1128                                         AppendImportantMessage(_("Message has been saved to Drafts.\n"), -1);
1129                                         gotoroom(WCC->CurRoom.name);
1130                                         readloop(readnew, eUseDefault);
1131                                         FreeStrBuf(&Buf);
1132                                         return;
1133                                 } else if (  (havebstr("recp"))
1134                                              || (havebstr("cc"  ))
1135                                              || (havebstr("bcc" ))
1136                                         ) {
1137                                         AppendImportantMessage(_("Message has been sent.\n"), -1);
1138                                 }
1139                                 else {
1140                                         AppendImportantMessage(_("Message has been posted.\n"), -1);
1141                                 }
1142                                 dont_post = lbstr("postseq");
1143                         } else {
1144                                 syslog(9, "%s:%d: server post error: %s", __FILE__, __LINE__, ChrPtr(Buf) + 4);
1145                                 AppendImportantMessage(ChrPtr(Buf) + 4, StrLength(Buf) - 4);
1146                                 display_enter();
1147                                 if (saving_to_drafts) gotoroom(WCC->CurRoom.name);
1148                                 FreeStrBuf(&Recp);
1149                                 FreeStrBuf(&Buf);
1150                                 FreeStrBuf(&Cc);
1151                                 FreeStrBuf(&Bcc);
1152                                 return;
1153                         }
1154                 }
1155                 FreeStrBuf(&Recp);
1156                 FreeStrBuf(&Buf);
1157                 FreeStrBuf(&Cc);
1158                 FreeStrBuf(&Bcc);
1159         }
1160
1161         DeleteHash(&WCC->attachments);
1162
1163         /*
1164          *  We may have been supplied with instructions regarding the location
1165          *  to which we must return after posting.  If found, go there.
1166          */
1167         if (havebstr("return_to")) {
1168                 http_redirect(bstr("return_to"));
1169         }
1170         /*
1171          *  If we were editing a page in a wiki room, go to that page now.
1172          */
1173         else if (havebstr("page")) {
1174                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("page"));
1175                 http_redirect(buf);
1176         }
1177         /*
1178          *  Otherwise, just go to the "read messages" loop.
1179          */
1180         else {
1181                 readloop(readnew, eUseDefault);
1182         }
1183 }
1184
1185
1186 /*
1187  * Client is uploading an attachment
1188  */
1189 void upload_attachment(void) {
1190         wcsession *WCC = WC;
1191         const char *pch;
1192         int n;
1193         const char *newn;
1194         long newnlen;
1195         void *v;
1196         wc_mime_attachment *att;
1197
1198         syslog(9, "upload_attachment()\n");
1199         wc_printf("upload_attachment()<br>\n");
1200
1201         if (WCC->upload_length <= 0) {
1202                 syslog(9, "ERROR no attachment was uploaded\n");
1203                 wc_printf("ERROR no attachment was uploaded<br>\n");
1204                 return;
1205         }
1206
1207         syslog(9, "Client is uploading %d bytes\n", WCC->upload_length);
1208         wc_printf("Client is uploading %d bytes<br>\n", WCC->upload_length);
1209         att = malloc(sizeof(wc_mime_attachment));
1210         memset(att, 0, sizeof(wc_mime_attachment ));
1211         att->length = WCC->upload_length;
1212         att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1213         att->FileName = NewStrBufDup(WCC->upload_filename);
1214
1215         if (WCC->attachments == NULL) {
1216                 WCC->attachments = NewHash(1, Flathash);
1217         }
1218
1219         /* And add it to the list. */
1220         n = 0;
1221         if ((GetCount(WCC->attachments) > 0) &&
1222             GetHashAt(WCC->attachments,
1223                       GetCount(WCC->attachments) -1,
1224                       &newnlen, &newn, &v))
1225             n = *((int*) newn) + 1;
1226         Put(WCC->attachments, IKEY(n), att, DestroyMime);
1227
1228         /*
1229          * Mozilla sends a simple filename, which is what we want,
1230          * but Satan's Browser sends an entire pathname.  Reduce
1231          * the path to just a filename if we need to.
1232          */
1233         pch = strrchr(ChrPtr(att->FileName), '/');
1234         if (pch != NULL) {
1235                 StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1236         }
1237         pch = strrchr(ChrPtr(att->FileName), '\\');
1238         if (pch != NULL) {
1239                 StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1240         }
1241
1242         /*
1243          * Transfer control of this memory from the upload struct
1244          * to the attachment struct.
1245          */
1246         att->Data = WCC->upload;
1247         WCC->upload = NULL;
1248         WCC->upload_length = 0;
1249 }
1250
1251
1252 /*
1253  * Remove an attachment from the message currently being composed.
1254  *
1255  * Currently we identify the attachment to be removed by its filename.
1256  * There is probably a better way to do this.
1257  */
1258 void remove_attachment(void) {
1259         wcsession *WCC = WC;
1260         wc_mime_attachment *att;
1261         void *vAtt;
1262         StrBuf *WhichAttachment;
1263         HashPos *at;
1264         long len;
1265         const char *key;
1266
1267         WhichAttachment = NewStrBufDup(sbstr("which_attachment"));
1268         StrBufUnescape(WhichAttachment, 0);
1269         at = GetNewHashPos(WCC->attachments, 0);
1270         do {
1271                 GetHashPos(WCC->attachments, at, &len, &key, &vAtt);
1272
1273                 att = (wc_mime_attachment*) vAtt;
1274                 if ((att != NULL) &&
1275                     (strcmp(ChrPtr(WhichAttachment),
1276                             ChrPtr(att->FileName)   ) == 0))
1277                 {
1278                         DeleteEntryFromHash(WCC->attachments, at);
1279                         break;
1280                 }
1281         }
1282         while (NextHashPos(WCC->attachments, at));
1283         FreeStrBuf(&WhichAttachment);
1284         wc_printf("remove_attachment() completed\n");
1285 }
1286
1287
1288 long FourHash(const char *key, long length)
1289 {
1290         int i;
1291         long ret = 0;
1292         const unsigned char *ptr = (const unsigned char*)key;
1293
1294         for (i = 0; i < 4; i++, ptr ++)
1295                 ret = (ret << 8) |
1296                         ( ((*ptr >= 'a') &&
1297                            (*ptr <= 'z'))?
1298                           *ptr - 'a' + 'A':
1299                           *ptr);
1300
1301         return ret;
1302 }
1303
1304 long l_subj;
1305 long l_wefw;
1306 long l_msgn;
1307 long l_from;
1308 long l_rcpt;
1309 long l_cccc;
1310 long l_node;
1311 long l_rfca;
1312
1313 /*
1314  * display the message entry screen
1315  */
1316 void display_enter(void)
1317 {
1318         StrBuf *Line;
1319         long Result;
1320         int rc;
1321         const StrBuf *display_name = NULL;
1322         int recipient_required = 0;
1323         int subject_required = 0;
1324         int is_anonymous = 0;
1325         wcsession *WCC = WC;
1326         int i = 0;
1327         long replying_to;
1328
1329         if (havebstr("force_room")) {
1330                 gotoroom(sbstr("force_room"));
1331         }
1332
1333         display_name = sbstr("display_name");
1334         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1335                 display_name = NULL;
1336                 is_anonymous = 1;
1337         }
1338
1339         /*
1340          * First, do we have permission to enter messages in this room at all?
1341          */
1342         Line = NewStrBuf();
1343         serv_puts("ENT0 0");
1344         StrBuf_ServGetln(Line);
1345         rc = GetServerStatusMsg(Line, &Result, 0, 2);
1346
1347         if (Result == 570) {            /* 570 means that we need a recipient here */
1348                 recipient_required = 1;
1349         }
1350         else if (rc != 2) {             /* Any other error means that we cannot continue */
1351                 rc = GetServerStatusMsg(Line, &Result, 0, 2);
1352                 readloop(readnew, eUseDefault);
1353                 FreeStrBuf(&Line);
1354                 return;
1355         }
1356
1357         /* Is the server strongly recommending that the user enter a message subject? */
1358         if (StrLength(Line) > 4) {
1359                 subject_required = extract_int(ChrPtr(Line) + 4, 1);
1360         }
1361
1362         /*
1363          * Are we perhaps in an address book view?  If so, then an "enter
1364          * message" command really means "add new entry."
1365          */
1366         if (WCC->CurRoom.defview == VIEW_ADDRESSBOOK) {
1367                 do_edit_vcard(-1, "", NULL, NULL, "",  ChrPtr(WCC->CurRoom.name));
1368                 FreeStrBuf(&Line);
1369                 return;
1370         }
1371
1372         /*
1373          * Are we perhaps in a calendar room?  If so, then an "enter
1374          * message" command really means "add new calendar item."
1375          */
1376         if (WCC->CurRoom.defview == VIEW_CALENDAR) {
1377                 display_edit_event();
1378                 FreeStrBuf(&Line);
1379                 return;
1380         }
1381
1382         /*
1383          * Are we perhaps in a tasks view?  If so, then an "enter
1384          * message" command really means "add new task."
1385          */
1386         if (WCC->CurRoom.defview == VIEW_TASKS) {
1387                 display_edit_task();
1388                 FreeStrBuf(&Line);
1389                 return;
1390         }
1391
1392
1393         /*
1394          * If the "replying_to" variable is set, it refers to a message
1395          * number from which we must extract some header fields...
1396          */
1397         replying_to = lbstr("replying_to");
1398         if (replying_to > 0) {
1399                 long len;
1400                 StrBuf *wefw = NULL;
1401                 StrBuf *msgn = NULL;
1402                 StrBuf *from = NULL;
1403                 StrBuf *node = NULL;
1404                 StrBuf *rfca = NULL;
1405                 StrBuf *rcpt = NULL;
1406                 StrBuf *cccc = NULL;
1407                 serv_printf("MSG0 %ld|1", replying_to);
1408
1409                 StrBuf_ServGetln(Line);
1410                 if (GetServerStatusMsg(Line, NULL, 0, 0) == 1)
1411                         while (len = StrBuf_ServGetln(Line),
1412                                (len >= 0) &&
1413                                ((len != 3)  ||
1414                                 strcmp(ChrPtr(Line), "000")))
1415                         {
1416                                 long which = 0;
1417                                 if ((StrLength(Line) > 4) &&
1418                                     (ChrPtr(Line)[4] == '='))
1419                                         which = FourHash(ChrPtr(Line), 4);
1420
1421                                 if (which == l_subj)
1422                                 {
1423                                         StrBuf *subj = NewStrBuf();
1424                                         StrBuf *FlatSubject;
1425
1426                                         if (!strcasecmp(bstr("replying_mode"), "forward")) {
1427                                                 if (strncasecmp(ChrPtr(Line) + 5, "Fw:", 3)) {
1428                                                         StrBufAppendBufPlain(subj, HKEY("Fw: "), 0);
1429                                                 }
1430                                         }
1431                                         else {
1432                                                 if (strncasecmp(ChrPtr(Line) + 5, "Re:", 3)) {
1433                                                         StrBufAppendBufPlain(subj, HKEY("Re: "), 0);
1434                                                 }
1435                                         }
1436                                         StrBufAppendBufPlain(subj,
1437                                                              ChrPtr(Line) + 5,
1438                                                              StrLength(Line) - 5, 0);
1439                                         FlatSubject = NewStrBufPlain(NULL, StrLength(subj));
1440                                         StrBuf_RFC822_to_Utf8(FlatSubject, subj, NULL, NULL);
1441
1442                                         PutBstr(HKEY("subject"), FlatSubject);
1443                                 }
1444
1445                                 else if (which == l_wefw)
1446                                 {
1447                                         int rrtok;
1448                                         int rrlen;
1449
1450                                         wefw = NewStrBufPlain(ChrPtr(Line) + 5, StrLength(Line) - 5);
1451
1452                                         /* Trim down excessively long lists of thread references.  We eliminate the
1453                                          * second one in the list so that the thread root remains intact.
1454                                          */
1455                                         rrtok = num_tokens(ChrPtr(wefw), '|');
1456                                         rrlen = StrLength(wefw);
1457                                         if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
1458                                                 StrBufRemove_token(wefw, 1, '|');
1459                                         }
1460                                 }
1461
1462                                 else if (which == l_msgn) {
1463                                         msgn = NewStrBufPlain(ChrPtr(Line) + 5, StrLength(Line) - 5);
1464                                 }
1465
1466                                 else if (which == l_from) {
1467                                         StrBuf *FlatFrom;
1468                                         from = NewStrBufPlain(ChrPtr(Line) + 5, StrLength(Line) - 5);
1469                                         FlatFrom = NewStrBufPlain(NULL, StrLength(from));
1470                                         StrBuf_RFC822_to_Utf8(FlatFrom, from, NULL, NULL);
1471                                         FreeStrBuf(&from);
1472                                         from = FlatFrom;
1473                                         for (i=0; i<StrLength(from); ++i) {
1474                                                 if (ChrPtr(from)[i] == ',')
1475                                                         StrBufPeek(from, NULL, i, ' ');
1476                                         }
1477                                 }
1478
1479                                 else if (which == l_rcpt) {
1480                                         rcpt = NewStrBufPlain(ChrPtr(Line) + 5, StrLength(Line) - 5);
1481                                 }
1482
1483                                 else if (which == l_cccc) {
1484                                         cccc = NewStrBufPlain(ChrPtr(Line) + 5, StrLength(Line) - 5);
1485                                 }
1486
1487                                 else if (which == l_node) {
1488                                         node = NewStrBufPlain(ChrPtr(Line) + 5, StrLength(Line) - 5);
1489                                 }
1490
1491                                 else if (which == l_rfca) {
1492                                         StrBuf *FlatRFCA;
1493                                         rfca = NewStrBufPlain(ChrPtr(Line) + 5, StrLength(Line) - 5);
1494                                         FlatRFCA = NewStrBufPlain(NULL, StrLength(rfca));
1495                                         StrBuf_RFC822_to_Utf8(FlatRFCA, rfca, NULL, NULL);
1496                                         FreeStrBuf(&rfca);
1497                                         rfca = FlatRFCA;
1498                                 }
1499                         }
1500
1501
1502                 if (StrLength(wefw) + StrLength(msgn) > 0) {
1503                         StrBuf *refs = NewStrBuf();
1504                         if (StrLength(wefw) > 0) {
1505                                 StrBufAppendBuf(refs, wefw, 0);
1506                         }
1507                         if ( (StrLength(wefw) > 0) &&
1508                              (StrLength(msgn) > 0) )
1509                         {
1510                                 StrBufAppendBufPlain(refs, HKEY("|"), 0);
1511                         }
1512                         if (StrLength(msgn) > 0) {
1513                                 StrBufAppendBuf(refs, msgn, 0);
1514                         }
1515                         PutBstr(HKEY("references"), refs);
1516                 }
1517
1518                 /*
1519                  * If this is a Reply or a ReplyAll, copy the sender's email into the To: field
1520                  */
1521                 if (    (!strcasecmp(bstr("replying_mode"), "reply"))
1522                         || (!strcasecmp(bstr("replying_mode"), "replyall"))
1523                 ) {
1524                         StrBuf *to_rcpt;
1525                         if (StrLength(rfca) > 0) {
1526                                 to_rcpt = NewStrBuf();
1527                                 StrBufAppendBuf(to_rcpt, from, 0);
1528                                 StrBufAppendBufPlain(to_rcpt, HKEY(" <"), 0);
1529                                 StrBufAppendBuf(to_rcpt, rfca, 0);
1530                                 StrBufAppendBufPlain(to_rcpt, HKEY(">"), 0);
1531                         }
1532                         else {
1533                                 to_rcpt =  from;
1534                                 from = NULL;
1535                                 if (    (StrLength(node) > 0)
1536                                         && (strcasecmp(ChrPtr(node), ChrPtr(WC->serv_info->serv_nodename)))
1537                                 ) {
1538                                         StrBufAppendBufPlain(to_rcpt, HKEY(" @ "), 0);
1539                                         StrBufAppendBuf(to_rcpt, node, 0);
1540                                 }
1541                         }
1542                         PutBstr(HKEY("recp"), to_rcpt);
1543                 }
1544
1545                 /*
1546                  * Only if this is a ReplyAll, copy all recipients into the Cc: field
1547                  */
1548                 if (    (!strcasecmp(bstr("replying_mode"), "replyall"))
1549                 ) {
1550                         StrBuf *cc_rcpt = rcpt;
1551                         rcpt = NULL;
1552                         if (StrLength(cccc) > 0) {
1553                                 if (cc_rcpt != NULL)  {
1554                                         StrBufAppendPrintf(cc_rcpt, ", ");
1555                                         StrBufAppendBuf(cc_rcpt, cccc, 0);
1556                                 } else {
1557                                         cc_rcpt = cccc;
1558                                         cccc = NULL;
1559                                 }
1560                         }
1561                         if (cc_rcpt != NULL)
1562                                 PutBstr(HKEY("cc"), cc_rcpt);
1563                 }
1564                 FreeStrBuf(&wefw);
1565                 FreeStrBuf(&msgn);
1566                 FreeStrBuf(&from);
1567                 FreeStrBuf(&node);
1568                 FreeStrBuf(&rfca);
1569                 FreeStrBuf(&rcpt);
1570                 FreeStrBuf(&cccc);
1571         }
1572         FreeStrBuf(&Line);
1573         /*
1574          * Otherwise proceed normally.
1575          * Do a custom room banner with no navbar...
1576          */
1577
1578         if (recipient_required) {
1579                 const StrBuf *Recp = NULL;
1580                 const StrBuf *Cc = NULL;
1581                 const StrBuf *Bcc = NULL;
1582                 const StrBuf *Wikipage = NULL;
1583                 StrBuf *CmdBuf = NULL;
1584                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1585
1586                 Recp = sbstr("recp");
1587                 Cc = sbstr("cc");
1588                 Bcc = sbstr("bcc");
1589                 Wikipage = sbstr("page");
1590
1591                 CmdBuf = NewStrBufPlain(NULL,
1592                                         sizeof (CMD) +
1593                                         StrLength(Recp) +
1594                                         StrLength(display_name) +
1595                                         StrLength(Cc) +
1596                                         StrLength(Bcc) +
1597                                         StrLength(Wikipage));
1598
1599                 StrBufPrintf(CmdBuf,
1600                              CMD,
1601                              ChrPtr(Recp),
1602                              is_anonymous,
1603                              ChrPtr(display_name),
1604                              ChrPtr(Cc),
1605                              ChrPtr(Bcc),
1606                              ChrPtr(Wikipage));
1607                 serv_puts(ChrPtr(CmdBuf));
1608                 StrBuf_ServGetln(CmdBuf);
1609
1610                 rc = GetServerStatusMsg(CmdBuf, &Result, 0, 0);
1611
1612                 if (    (Result == 570)         /* invalid or missing recipient(s) */
1613                         || (Result == 550)      /* higher access required to send Internet mail */
1614                 ) {
1615                         /* These errors will have been displayed and are excusable */
1616                 }
1617                 else if (rc != 2) {     /* Any other error means that we cannot continue */
1618                         AppendImportantMessage(ChrPtr(CmdBuf) + 4, StrLength(CmdBuf) - 4);
1619                         FreeStrBuf(&CmdBuf);
1620                         readloop(readnew, eUseDefault);
1621                         return;
1622                 }
1623                 FreeStrBuf(&CmdBuf);
1624         }
1625         if (recipient_required)
1626                 PutBstr(HKEY("__RCPTREQUIRED"), NewStrBufPlain(HKEY("1")));
1627         if (recipient_required || subject_required)
1628                 PutBstr(HKEY("__SUBJREQUIRED"), NewStrBufPlain(HKEY("1")));
1629
1630         begin_burst();
1631         output_headers(1, 0, 0, 0, 1, 0);
1632         DoTemplate(HKEY("edit_message"), NULL, &NoCtx);
1633         end_burst();
1634
1635         return;
1636 }
1637
1638 /*
1639  * delete a message
1640  */
1641 void delete_msg(void)
1642 {
1643         long msgid;
1644         StrBuf *Line;
1645
1646         msgid = lbstr("msgid");
1647         Line = NewStrBuf();
1648         if ((WC->CurRoom.RAFlags & UA_ISTRASH) != 0) {  /* Delete from Trash is a real delete */
1649                 serv_printf("DELE %ld", msgid);
1650         }
1651         else {                  /* Otherwise move it to Trash */
1652                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1653         }
1654
1655         StrBuf_ServGetln(Line);
1656         GetServerStatusMsg(Line, NULL, 1, 0);
1657
1658         readloop(readnew, eUseDefault);
1659 }
1660
1661
1662 /*
1663  * move a message to another room
1664  */
1665 void move_msg(void)
1666 {
1667         long msgid;
1668
1669         msgid = lbstr("msgid");
1670
1671         if (havebstr("move_button")) {
1672                 StrBuf *Line;
1673                 serv_printf("MOVE %ld|%s", msgid, bstr("target_room"));
1674                 Line = NewStrBuf();
1675                 StrBuf_ServGetln(Line);
1676                 GetServerStatusMsg(Line, NULL, 1, 0);
1677                 FreeStrBuf(&Line);
1678         } else {
1679                 AppendImportantMessage(_("The message was not moved."), -1);
1680         }
1681
1682         readloop(readnew, eUseDefault);
1683 }
1684
1685
1686
1687 /*
1688  * Generic function to output an arbitrary MIME attachment from
1689  * message being composed
1690  *
1691  * partnum              The MIME part to be output
1692  * filename             Fake filename to give
1693  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1694  */
1695 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1696 {
1697         void *vPart;
1698         StrBuf *content_type;
1699         wc_mime_attachment *part;
1700         int i;
1701
1702         i = StrToi(partnum);
1703         if (GetHash(WC->attachments, IKEY(i), &vPart) &&
1704             (vPart != NULL)) {
1705                 part = (wc_mime_attachment*) vPart;
1706                 if (force_download) {
1707                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1708                 }
1709                 else {
1710                         content_type = NewStrBufDup(part->ContentType);
1711                 }
1712                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1713                 http_transmit_thing(ChrPtr(content_type), 0);
1714         } else {
1715                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1716                 output_headers(0, 0, 0, 0, 0, 0);
1717                 hprintf("Content-Type: text/plain\r\n");
1718                 begin_burst();
1719                 wc_printf(_("An error occurred while retrieving this part: %s/%s\n"),
1720                         ChrPtr(partnum), ChrPtr(filename));
1721                 end_burst();
1722         }
1723         FreeStrBuf(&content_type);
1724 }
1725
1726
1727 /*
1728  * Generic function to output an arbitrary MIME part from an arbitrary
1729  * message number on the server.
1730  *
1731  * msgnum               Number of the item on the citadel server
1732  * partnum              The MIME part to be output
1733  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1734  */
1735 void mimepart(int force_download)
1736 {
1737         long msgnum;
1738         long ErrorDetail;
1739         StrBuf *att;
1740         wcsession *WCC = WC;
1741         StrBuf *Buf;
1742         off_t bytes;
1743         StrBuf *ContentType = NewStrBufPlain(HKEY("application/octet-stream"));
1744         const char *CT;
1745
1746         att = Buf = NewStrBuf();
1747         msgnum = StrBufExtract_long(WCC->Hdr->HR.ReqLine, 0, '/');
1748         StrBufExtract_token(att, WCC->Hdr->HR.ReqLine, 1, '/');
1749
1750         serv_printf("OPNA %ld|%s", msgnum, ChrPtr(att));
1751         StrBuf_ServGetln(Buf);
1752         if (GetServerStatus(Buf, &ErrorDetail) == 2) {
1753                 StrBufCutLeft(Buf, 4);
1754                 bytes = StrBufExtract_long(Buf, 0, '|');
1755                 if (!force_download) {
1756                         StrBufExtract_token(ContentType, Buf, 3, '|');
1757                 }
1758
1759                 serv_read_binary(WCC->WBuf, bytes, Buf);
1760                 serv_puts("CLOS");
1761                 StrBuf_ServGetln(Buf);
1762                 CT = ChrPtr(ContentType);
1763
1764                 if (!force_download) {
1765                         if (!strcasecmp(ChrPtr(ContentType), "application/octet-stream")) {
1766                                 StrBufExtract_token(Buf, WCC->Hdr->HR.ReqLine, 2, '/');
1767                                 CT = GuessMimeByFilename(SKEY(Buf));
1768                         }
1769                         if (!strcasecmp(ChrPtr(ContentType), "application/octet-stream")) {
1770                                 CT = GuessMimeType(SKEY(WCC->WBuf));
1771                         }
1772                 }
1773                 http_transmit_thing(CT, 0);
1774         } else {
1775                 StrBufCutLeft(Buf, 4);
1776                 switch (ErrorDetail) {
1777                 default:
1778                 case ERROR + MESSAGE_NOT_FOUND:
1779                         hprintf("HTTP/1.1 404 %s\n", ChrPtr(Buf));
1780                         break;
1781                 case ERROR + NOT_LOGGED_IN:
1782                         hprintf("HTTP/1.1 401 %s\n", ChrPtr(Buf));
1783                         break;
1784
1785                 case ERROR + HIGHER_ACCESS_REQUIRED:
1786                         hprintf("HTTP/1.1 403 %s\n", ChrPtr(Buf));
1787                         break;
1788                 case ERROR + INTERNAL_ERROR:
1789                 case ERROR + TOO_BIG:
1790                         hprintf("HTTP/1.1 500 %s\n", ChrPtr(Buf));
1791                         break;
1792                 }
1793                 output_headers(0, 0, 0, 0, 0, 0);
1794                 hprintf("Content-Type: text/plain\r\n");
1795                 begin_burst();
1796                 wc_printf(_("An error occurred while retrieving this part: %s\n"),
1797                         ChrPtr(Buf));
1798                 end_burst();
1799         }
1800         FreeStrBuf(&ContentType);
1801         FreeStrBuf(&Buf);
1802 }
1803
1804
1805 /*
1806  * Read any MIME part of a message, from the server, into memory.
1807  */
1808 StrBuf *load_mimepart(long msgnum, char *partnum)
1809 {
1810         off_t bytes;
1811         StrBuf *Buf;
1812
1813         Buf = NewStrBuf();
1814         serv_printf("DLAT %ld|%s", msgnum, partnum);
1815         StrBuf_ServGetln(Buf);
1816         if (GetServerStatus(Buf, NULL) == 6) {
1817                 StrBufCutLeft(Buf, 4);
1818                 bytes = StrBufExtract_long(Buf, 0, '|');
1819                 FreeStrBuf(&Buf);
1820                 Buf = NewStrBuf();
1821                 StrBuf_ServGetBLOBBuffered(Buf, bytes);
1822                 return(Buf);
1823         }
1824         else {
1825                 FreeStrBuf(&Buf);
1826                 return(NULL);
1827         }
1828 }
1829
1830 /*
1831  * Read any MIME part of a message, from the server, into memory.
1832  */
1833 void MimeLoadData(wc_mime_attachment *Mime)
1834 {
1835         StrBuf *Buf;
1836         const char *Ptr;
1837         off_t bytes;
1838         /* TODO: is there a chance the content type is different from the one we know? */
1839
1840         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1841         Buf = NewStrBuf();
1842         StrBuf_ServGetln(Buf);
1843         if (GetServerStatus(Buf, NULL) == 6) {
1844                 Ptr = &(ChrPtr(Buf)[4]);
1845                 bytes = StrBufExtractNext_long(Buf, &Ptr, '|');
1846                 StrBufSkip_NTokenS(Buf, &Ptr, '|', 3);  /* filename, cbtype, mimetype */
1847                 if (Mime->Charset == NULL) Mime->Charset = NewStrBuf();
1848                 StrBufExtract_NextToken(Mime->Charset, Buf, &Ptr, '|');
1849
1850                 if (Mime->Data == NULL)
1851                         Mime->Data = NewStrBufPlain(NULL, bytes);
1852                 StrBuf_ServGetBLOBBuffered(Mime->Data, bytes);
1853         }
1854         else {
1855                 FlushStrBuf(Mime->Data);
1856                 /* TODO XImportant message */
1857         }
1858         FreeStrBuf(&Buf);
1859 }
1860
1861
1862 void view_mimepart(void) {
1863         mimepart(0);
1864 }
1865
1866 void download_mimepart(void) {
1867         mimepart(1);
1868 }
1869
1870 void view_postpart(void) {
1871         StrBuf *filename = NewStrBuf();
1872         StrBuf *partnum = NewStrBuf();
1873
1874         StrBufExtract_token(partnum, WC->Hdr->HR.ReqLine, 0, '/');
1875         StrBufExtract_token(filename, WC->Hdr->HR.ReqLine, 1, '/');
1876
1877         postpart(partnum, filename, 0);
1878
1879         FreeStrBuf(&filename);
1880         FreeStrBuf(&partnum);
1881 }
1882
1883 void download_postpart(void) {
1884         StrBuf *filename = NewStrBuf();
1885         StrBuf *partnum = NewStrBuf();
1886
1887         StrBufExtract_token(partnum, WC->Hdr->HR.ReqLine, 0, '/');
1888         StrBufExtract_token(filename, WC->Hdr->HR.ReqLine, 1, '/');
1889
1890         postpart(partnum, filename, 1);
1891
1892         FreeStrBuf(&filename);
1893         FreeStrBuf(&partnum);
1894 }
1895
1896
1897
1898 void show_num_attachments(void) {
1899         wc_printf("%d", GetCount(WC->attachments));
1900 }
1901
1902
1903 void h_readnew(void) { readloop(readnew, eUseDefault);}
1904 void h_readold(void) { readloop(readold, eUseDefault);}
1905 void h_readfwd(void) { readloop(readfwd, eUseDefault);}
1906 void h_headers(void) { readloop(headers, eUseDefault);}
1907 void h_do_search(void) { readloop(do_search, eUseDefault);}
1908 void h_readgt(void) { readloop(readgt, eUseDefault);}
1909 void h_readlt(void) { readloop(readlt, eUseDefault);}
1910
1911
1912
1913 /* Output message list in JSON format */
1914 void jsonMessageList(void) {
1915         StrBuf *View = NewStrBuf();
1916         const StrBuf *room = sbstr("room");
1917         long oper = (havebstr("query")) ? do_search : readnew;
1918         StrBufPrintf(View, "%d", VIEW_JSON_LIST);
1919         putbstr("view", View);;
1920         gotoroom(room);
1921         readloop(oper, eUseDefault);
1922 }
1923
1924 void RegisterReadLoopHandlerset(
1925         int RoomType,
1926         GetParamsGetServerCall_func GetParamsGetServerCall,
1927         PrintViewHeader_func PrintPageHeader,
1928         PrintViewHeader_func PrintViewHeader,
1929         load_msg_ptrs_detailheaders LH,
1930         LoadMsgFromServer_func LoadMsgFromServer,
1931         RenderView_or_Tail_func RenderView_or_Tail,
1932         View_Cleanup_func ViewCleanup
1933         )
1934 {
1935         RoomRenderer *Handler;
1936
1937         Handler = (RoomRenderer*) malloc(sizeof(RoomRenderer));
1938
1939         Handler->RoomType = RoomType;
1940         Handler->GetParamsGetServerCall = GetParamsGetServerCall;
1941         Handler->PrintPageHeader = PrintPageHeader;
1942         Handler->PrintViewHeader = PrintViewHeader;
1943         Handler->LoadMsgFromServer = LoadMsgFromServer;
1944         Handler->RenderView_or_Tail = RenderView_or_Tail;
1945         Handler->ViewCleanup = ViewCleanup;
1946         Handler->LHParse = LH;
1947
1948         Put(ReadLoopHandler, IKEY(RoomType), Handler, NULL);
1949 }
1950
1951 void
1952 InitModule_MSG
1953 (void)
1954 {
1955         RegisterPreference("use_sig",
1956                            _("Attach signature to email messages?"),
1957                            PRF_YESNO,
1958                            NULL);
1959         RegisterPreference("signature", _("Use this signature:"), PRF_QP_STRING, NULL);
1960         RegisterPreference("default_header_charset",
1961                            _("Default character set for email headers:"),
1962                            PRF_STRING,
1963                            NULL);
1964         RegisterPreference("defaultfrom", _("Preferred email address"), PRF_STRING, NULL);
1965         RegisterPreference("defaultname",
1966                            _("Preferred display name for email messages"),
1967                            PRF_STRING,
1968                            NULL);
1969         RegisterPreference("defaulthandle",
1970                            _("Preferred display name for bulletin board posts"),
1971                            PRF_STRING,
1972                            NULL);
1973         RegisterPreference("mailbox",_("Mailbox view mode"), PRF_STRING, NULL);
1974
1975         WebcitAddUrlHandler(HKEY("readnew"), "", 0, h_readnew, ANONYMOUS|NEED_URL);
1976         WebcitAddUrlHandler(HKEY("readold"), "", 0, h_readold, ANONYMOUS|NEED_URL);
1977         WebcitAddUrlHandler(HKEY("readfwd"), "", 0, h_readfwd, ANONYMOUS|NEED_URL);
1978         WebcitAddUrlHandler(HKEY("headers"), "", 0, h_headers, NEED_URL);
1979         WebcitAddUrlHandler(HKEY("readgt"), "", 0, h_readgt, ANONYMOUS|NEED_URL);
1980         WebcitAddUrlHandler(HKEY("readlt"), "", 0, h_readlt, ANONYMOUS|NEED_URL);
1981         WebcitAddUrlHandler(HKEY("do_search"), "", 0, h_do_search, 0);
1982         WebcitAddUrlHandler(HKEY("display_enter"), "", 0, display_enter, 0);
1983         WebcitAddUrlHandler(HKEY("post"), "", 0, post_message, PROHIBIT_STARTPAGE);
1984         WebcitAddUrlHandler(HKEY("move_msg"), "", 0, move_msg, PROHIBIT_STARTPAGE);
1985         WebcitAddUrlHandler(HKEY("delete_msg"), "", 0, delete_msg, PROHIBIT_STARTPAGE);
1986         WebcitAddUrlHandler(HKEY("msg"), "", 0, embed_message, NEED_URL);
1987         WebcitAddUrlHandler(HKEY("message"), "", 0, handle_one_message, NEED_URL|XHTTP_COMMANDS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
1988         WebcitAddUrlHandler(HKEY("printmsg"), "", 0, print_message, NEED_URL);
1989         WebcitAddUrlHandler(HKEY("msgheaders"), "", 0, display_headers, NEED_URL);
1990
1991         WebcitAddUrlHandler(HKEY("mimepart"), "", 0, view_mimepart, NEED_URL);
1992         WebcitAddUrlHandler(HKEY("mimepart_download"), "", 0, download_mimepart, NEED_URL);
1993         WebcitAddUrlHandler(HKEY("postpart"), "", 0, view_postpart, NEED_URL|PROHIBIT_STARTPAGE);
1994         WebcitAddUrlHandler(HKEY("postpart_download"), "", 0, download_postpart, NEED_URL|PROHIBIT_STARTPAGE);
1995         WebcitAddUrlHandler(HKEY("upload_attachment"), "", 0, upload_attachment, AJAX);
1996         WebcitAddUrlHandler(HKEY("remove_attachment"), "", 0, remove_attachment, AJAX);
1997         WebcitAddUrlHandler(HKEY("show_num_attachments"), "", 0, show_num_attachments, AJAX);
1998
1999         /* json */
2000         WebcitAddUrlHandler(HKEY("roommsgs"), "", 0, jsonMessageList,0);
2001
2002         l_subj = FourHash("subj", 4);
2003         l_wefw = FourHash("wefw", 4);
2004         l_msgn = FourHash("msgn", 4);
2005         l_from = FourHash("from", 4);
2006         l_rcpt = FourHash("rcpt", 4);
2007         l_cccc = FourHash("cccc", 4);
2008         l_node = FourHash("node", 4);
2009         l_rfca = FourHash("rfca", 4);
2010
2011         return ;
2012 }
2013
2014 void
2015 SessionDetachModule_MSG
2016 (wcsession *sess)
2017 {
2018         DeleteHash(&sess->summ);
2019 }