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 /*----------------------------------------------------------------------------*/
  26
  27
  28 typedef void (*MsgPartEvaluatorFunc)(message_summary *Sum, StrBuf *Buf);
  29
  30 typedef struct _MsgPartEvaluatorStruct {
  31         MsgPartEvaluatorFunc f;
  32 }MsgPartEvaluatorStruct;
  33
  34
  35 /*----------------------------------------------------------------------------*/
  36
  37
  38
  39 /*
  40  * I wanna SEE that message!
  41  *
  42  * msgnum               Message number to display
  43  * printable_view       Nonzero to display a printable view
  44  * section              Optional for encapsulated message/rfc822 submessage
  45  */
  46 int read_message(StrBuf *Target, const char *tmpl, long tmpllen, long msgnum, int printable_view, const StrBuf *PartNum)
  47 {
  48         wcsession *WCC = WC;
  49         StrBuf *Buf;
  50         StrBuf *HdrToken;
  51         StrBuf *FoundCharset;
  52         HashPos  *it;
  53         void *vMime;
  54         message_summary *Msg = NULL;
  55         headereval *Hdr;
  56         void *vHdr;
  57         char buf[SIZ];
  58         int Done = 0;
  59         int state=0;
  60         long len;
  61         const char *Key;
  62         WCTemplputParams SubTP;
  63
  64         Buf = NewStrBuf();
  65         lprintf(1, "----------%s---------MSG4 %ld|%s--------------\n", tmpl, msgnum, ChrPtr(PartNum));
  66         serv_printf("MSG4 %ld|%s", msgnum, ChrPtr(PartNum));
  67         StrBuf_ServGetln(Buf);
  68         if (GetServerStatus(Buf, NULL) != 1) {
  69                 StrBufAppendPrintf(Target, "<strong>");
  70                 StrBufAppendPrintf(Target, _("ERROR:"));
  71                 StrBufAppendPrintf(Target, "</strong> %s<br />\n", &buf[4]);
  72                 FreeStrBuf(&Buf);
  73                 return 0;
  74         }
  75
  76         /** begin everythingamundo table */
  77
  78
  79         HdrToken = NewStrBuf();
  80         Msg = (message_summary *)malloc(sizeof(message_summary));
  81         memset(Msg, 0, sizeof(message_summary));
  82         Msg->msgnum = msgnum;
  83         Msg->PartNum = PartNum;
  84         Msg->MsgBody =  (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
  85         memset(Msg->MsgBody, 0, sizeof(wc_mime_attachment));
  86         Msg->MsgBody->msgnum = msgnum;
  87         FoundCharset = NewStrBuf();
  88         while ((StrBuf_ServGetln(Buf)>=0) && !Done) {
  89                 if ( (StrLength(Buf)==3) &&
  90                     !strcmp(ChrPtr(Buf), "000"))
  91                 {
  92                         Done = 1;
  93                         if (state < 2) {
  94                                 lprintf(1, _("unexpected end of message"));
  95
  96                                 Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/html"));
  97                                 StrBufAppendPrintf(Msg->MsgBody->Data, "<div><i>");
  98                                 StrBufAppendPrintf(Msg->MsgBody->Data, _("unexpected end of message"));
  99                                 StrBufAppendPrintf(Msg->MsgBody->Data, " (1)</i><br /><br />\n");
 100                                 StrBufAppendPrintf(Msg->MsgBody->Data, "</div>\n");
 101                         }
 102                         break;
 103                 }
 104                 switch (state) {
 105                 case 0:/* Citadel Message Headers */
 106                         if (StrLength(Buf) == 0) {
 107                                 state ++;
 108                                 break;
 109                         }
 110                         StrBufExtract_token(HdrToken, Buf, 0, '=');
 111                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 112
 113 #ifdef TECH_PREVIEW
 114                         if (dbg_analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 115 #endif
 116                         /* look up one of the examine_* functions to parse the content */
 117                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 118                             (vHdr != NULL)) {
 119                                 Hdr = (headereval*)vHdr;
 120                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 121                                 if (Hdr->Type == 1) {
 122                                         state++;
 123                                 }
 124                         }
 125                         else LogError(Target,
 126                                       __FUNCTION__,
 127                                       "don't know how to handle message header[%s]\n",
 128                                       ChrPtr(HdrToken));
 129                         break;
 130                 case 1:/* Message Mime Header */
 131                         if (StrLength(Buf) == 0) {
 132                                 state++;
 133                                 if (Msg->MsgBody->ContentType == NULL)
 134                                         /* end of header or no header? */
 135                                         Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/plain"));
 136                                  /* usual end of mime header */
 137                         }
 138                         else
 139                         {
 140                                 StrBufExtract_token(HdrToken, Buf, 0, ':');
 141                                 if (StrLength(HdrToken) > 0) {
 142                                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 143 #ifdef TECH_PREVIEW
 144                                         if (dbg_analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 145 #endif
 146                                         /* the examine*'s know how to do with mime headers too... */
 147                                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 148                                             (vHdr != NULL)) {
 149                                                 Hdr = (headereval*)vHdr;
 150                                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 151                                         }
 152                                         break;
 153                                 }
 154                         }
 155                 case 2: /* Message Body */
 156
 157                         if (Msg->MsgBody->size_known > 0) {
 158                                 StrBuf_ServGetBLOB(Msg->MsgBody->Data, Msg->MsgBody->length);
 159                                 state ++;
 160                                 /*/ todo: check next line, if not 000, append following lines */
 161                         }
 162                         else if (1){
 163                                 if (StrLength(Msg->MsgBody->Data) > 0)
 164                                         StrBufAppendBufPlain(Msg->MsgBody->Data, "\n", 1, 0);
 165                                 StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 166                         }
 167                         break;
 168                 case 3:
 169                         StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 170                         break;
 171                 }
 172         }
 173
 174         if (Msg->AllAttach == NULL)
 175                 Msg->AllAttach = NewHash(1,NULL);
 176         /* now we put the body mimepart we read above into the mimelist */
 177         Put(Msg->AllAttach, SKEY(Msg->MsgBody->PartNum), Msg->MsgBody, DestroyMime);
 178
 179         /* strip the bare contenttype, so we ommit charset etc. */
 180         StrBufExtract_token(Buf, Msg->MsgBody->ContentType, 0, ';');
 181         StrBufTrim(Buf);
 182         /* look up the renderer, that will convert this mimeitem into the htmlized form */
 183         if (GetHash(MimeRenderHandler, SKEY(Buf), &vHdr) &&
 184             (vHdr != NULL)) {
 185                 RenderMimeFuncStruct *Render;
 186                 Render = (RenderMimeFuncStruct*)vHdr;
 187                 Render->f(Msg->MsgBody, NULL, FoundCharset);
 188         }
 189
 190         if (StrLength(Msg->reply_references)> 0) {
 191                 /* Trim down excessively long lists of thread references.  We eliminate the
 192                  * second one in the list so that the thread root remains intact.
 193                  */
 194                 int rrtok = num_tokens(ChrPtr(Msg->reply_references), '|');
 195                 int rrlen = StrLength(Msg->reply_references);
 196                 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
 197                         StrBufRemove_token(Msg->reply_references, 1, '|');
 198                 }
 199         }
 200
 201         /* Generate a reply-to address */
 202         if (StrLength(Msg->Rfca) > 0) {
 203                 if (Msg->reply_to == NULL)
 204                         Msg->reply_to = NewStrBuf();
 205                 if (StrLength(Msg->from) > 0) {
 206                         StrBufPrintf(Msg->reply_to, "%s <%s>", ChrPtr(Msg->from), ChrPtr(Msg->Rfca));
 207                 }
 208                 else {
 209                         FlushStrBuf(Msg->reply_to);
 210                         StrBufAppendBuf(Msg->reply_to, Msg->Rfca, 0);
 211                 }
 212         }
 213         else
 214         {
 215                 if ((StrLength(Msg->OtherNode)>0) &&
 216                     (strcasecmp(ChrPtr(Msg->OtherNode), ChrPtr(WCC->serv_info->serv_nodename))) &&
 217                     (strcasecmp(ChrPtr(Msg->OtherNode), ChrPtr(WCC->serv_info->serv_humannode)) ))
 218                 {
 219                         if (Msg->reply_to == NULL)
 220                                 Msg->reply_to = NewStrBuf();
 221                         StrBufPrintf(Msg->reply_to,
 222                                      "%s @ %s",
 223                                      ChrPtr(Msg->from),
 224                                      ChrPtr(Msg->OtherNode));
 225                 }
 226                 else {
 227                         if (Msg->reply_to == NULL)
 228                                 Msg->reply_to = NewStrBuf();
 229                         FlushStrBuf(Msg->reply_to);
 230                         StrBufAppendBuf(Msg->reply_to, Msg->from, 0);
 231                 }
 232         }
 233
 234         /* now check if we need to translate some mimeparts, and remove the duplicate */
 235         it = GetNewHashPos(Msg->AllAttach, 0);
 236         while (GetNextHashPos(Msg->AllAttach, it, &len, &Key, &vMime) &&
 237                (vMime != NULL)) {
 238                 wc_mime_attachment *Mime = (wc_mime_attachment*) vMime;
 239                 evaluate_mime_part(Msg, Mime);
 240         }
 241         DeleteHashPos(&it);
 242         memset(&SubTP, 0, sizeof(WCTemplputParams));
 243         SubTP.Filter.ContextType = CTX_MAILSUM;
 244         SubTP.Context = Msg;
 245         DoTemplate(tmpl, tmpllen, Target, &SubTP);
 246
 247         DestroyMessageSummary(Msg);
 248         FreeStrBuf(&FoundCharset);
 249         FreeStrBuf(&HdrToken);
 250         FreeStrBuf(&Buf);
 251         return 1;
 252 }
 253
 254
 255
 256 /*
 257  * Unadorned HTML output of an individual message, suitable
 258  * for placing in a hidden iframe, for printing, or whatever
 259  *
 260  * msgnum_as_string == Message number, as a string instead of as a long int
 261  */
 262 void embed_message(void) {
 263         long msgnum = 0L;
 264         wcsession *WCC = WC;
 265         const StrBuf *Tmpl = sbstr("template");
 266
 267         msgnum = StrTol(WCC->UrlFragment2);
 268         if (StrLength(Tmpl) > 0)
 269                 read_message(WCC->WBuf, SKEY(Tmpl), msgnum, 0, NULL);
 270         else
 271                 read_message(WCC->WBuf, HKEY("view_message"), msgnum, 0, NULL);
 272 }
 273
 274
 275 /*
 276  * Printable view of a message
 277  *
 278  * msgnum_as_string == Message number, as a string instead of as a long int
 279  */
 280 void print_message(void) {
 281         long msgnum = 0L;
 282
 283         msgnum = StrTol(WC->UrlFragment2);
 284         output_headers(0, 0, 0, 0, 0, 0);
 285
 286         hprintf("Content-type: text/html\r\n"
 287                 "Server: " PACKAGE_STRING "\r\n"
 288                 "Connection: close\r\n");
 289
 290         begin_burst();
 291
 292         read_message(WC->WBuf, HKEY("view_message_print"), msgnum, 1, NULL);
 293
 294         wDumpContent(0);
 295 }
 296
 297 /*
 298  * Mobile browser view of message
 299  *
 300  * @param msg_num_as_string Message number as a string instead of as a long int
 301  */
 302 void mobile_message_view(void) {
 303   long msgnum = 0L;
 304   msgnum = StrTol(WC->UrlFragment2);
 305   output_headers(1, 0, 0, 0, 0, 1);
 306   begin_burst();
 307   do_template("msgcontrols", NULL);
 308   read_message(WC->WBuf, HKEY("view_message"), msgnum,1, NULL);
 309   wDumpContent(0);
 310 }
 311
 312 /**
 313  * \brief Display a message's headers
 314  *
 315  * \param msgnum_as_string Message number, as a string instead of as a long int
 316  */
 317 void display_headers(void) {
 318         long msgnum = 0L;
 319         char buf[1024];
 320
 321         msgnum = StrTol(WC->UrlFragment2);
 322         output_headers(0, 0, 0, 0, 0, 0);
 323
 324         hprintf("Content-type: text/plain\r\n"
 325                 "Server: %s\r\n"
 326                 "Connection: close\r\n",
 327                 PACKAGE_STRING);
 328         begin_burst();
 329
 330         serv_printf("MSG2 %ld|3", msgnum);
 331         serv_getln(buf, sizeof buf);
 332         if (buf[0] == '1') {
 333                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 334                         wprintf("%s\n", buf);
 335                 }
 336         }
 337
 338         wDumpContent(0);
 339 }
 340
 341
 342 message_summary *ReadOneMessageSummary(StrBuf *RawMessage, const char *DefaultSubject, long MsgNum)
 343 {
 344         void                 *vEval;
 345         MsgPartEvaluatorStruct  *Eval;
 346         message_summary      *Msg;
 347         StrBuf *Buf;
 348         const char *buf;
 349         const char *ebuf;
 350         int nBuf;
 351         long len;
 352
 353         Buf = NewStrBuf();
 354
 355         serv_printf("MSG0 %ld|1", MsgNum);      /* ask for headers only */
 356
 357         StrBuf_ServGetln(Buf);
 358         if (GetServerStatus(Buf, NULL) == 1) {
 359                 FreeStrBuf(&Buf);
 360                 return NULL;
 361         }
 362
 363         Msg = (message_summary*)malloc(sizeof(message_summary));
 364         memset(Msg, 0, sizeof(message_summary));
 365         while (len = StrBuf_ServGetln(Buf),
 366                ((len != 3)  ||
 367                 strcmp(ChrPtr(Buf), "000")== 0)){
 368                 buf = ChrPtr(Buf);
 369                 ebuf = strchr(ChrPtr(Buf), '=');
 370                 nBuf = ebuf - buf;
 371                 if (GetHash(MsgEvaluators, buf, nBuf, &vEval) && vEval != NULL) {
 372                         Eval = (MsgPartEvaluatorStruct*) vEval;
 373                         StrBufCutLeft(Buf, nBuf + 1);
 374                         Eval->f(Msg, Buf);
 375                 }
 376                 else lprintf(1, "Don't know how to handle Message Headerline [%s]", ChrPtr(Buf));
 377         }
 378         return Msg;
 379 }
 380
 381
 382
 383
 384
 385 /*
 386  * load message pointers from the server for a "read messages" operation
 387  *
 388  * servcmd:             the citadel command to send to the citserver
 389  * with_headers:        also include some of the headers with the message numbers (more expensive)
 390  */
 391 int load_msg_ptrs(char *servcmd, int with_headers)
 392 {
 393         StrBuf* FoundCharset = NULL;
 394         wcsession *WCC = WC;
 395         message_summary *Msg;
 396         StrBuf *Buf, *Buf2;
 397         int nummsgs = 0;
 398         int maxload = 0;
 399         long len;
 400         int n;
 401         int skipit;
 402
 403         if (WCC->summ != NULL) {
 404                 DeleteHash(&WCC->summ);
 405         }
 406         WCC->summ = NewHash(1, Flathash);
 407         maxload = 10000;
 408
 409         Buf = NewStrBuf();
 410         serv_puts(servcmd);
 411         StrBuf_ServGetln(Buf);
 412         if (GetServerStatus(Buf, NULL) != 1) {
 413                 FreeStrBuf(&Buf);
 414                 return (nummsgs);
 415         }
 416         Buf2 = NewStrBuf();
 417         while (len = StrBuf_ServGetln(Buf),
 418                ((len != 3)  ||
 419                 strcmp(ChrPtr(Buf), "000")!= 0))
 420         {
 421                 if (nummsgs < maxload) {
 422                         skipit = 0;
 423                         Msg = (message_summary*)malloc(sizeof(message_summary));
 424                         memset(Msg, 0, sizeof(message_summary));
 425
 426                         Msg->msgnum = StrBufExtract_long(Buf, 0, '|');
 427                         Msg->date = StrBufExtract_long(Buf, 1, '|');
 428                         /*
 429                          * as citserver probably gives us messages in forward date sorting
 430                          * nummsgs should be the same order as the message date.
 431                          */
 432                         if (Msg->date == 0) {
 433                                 Msg->date = nummsgs;
 434                                 if (StrLength(Buf) < 32)
 435                                         skipit = 1;
 436                         }
 437                         if (!skipit) {
 438                                 Msg->from = NewStrBufPlain(NULL, StrLength(Buf));
 439                                 StrBufExtract_token(Buf2, Buf, 2, '|');
 440                                 if (StrLength(Buf2) != 0) {
 441                                         /** Handle senders with RFC2047 encoding */
 442                                         StrBuf_RFC822_to_Utf8(Msg->from, Buf2, WCC->DefaultCharset, FoundCharset);
 443                                 }
 444
 445                                 /** Nodename */
 446                                 StrBufExtract_token(Buf2, Buf, 3, '|');
 447                                 if ((StrLength(Buf2) !=0 ) &&
 448                                     ( ((WCC->room_flags & QR_NETWORK)
 449                                        || ((strcasecmp(ChrPtr(Buf2), ChrPtr(WCC->serv_info->serv_nodename))
 450                                             && (strcasecmp(ChrPtr(Buf2), ChrPtr(WCC->serv_info->serv_fqdn))))))))
 451                                 {
 452                                         StrBufAppendBufPlain(Msg->from, HKEY(" @ "), 0);
 453                                         StrBufAppendBuf(Msg->from, Buf2, 0);
 454                                 }
 455
 456                                 /** Not used:
 457                                     StrBufExtract_token(Msg->inetaddr, Buf, 4, '|');
 458                                 */
 459
 460                                 Msg->subj = NewStrBufPlain(NULL, StrLength(Buf));
 461                                 StrBufExtract_token(Buf2,  Buf, 5, '|');
 462                                 if (StrLength(Buf2) == 0)
 463                                         StrBufAppendBufPlain(Msg->subj, _("(no subject)"), -1,0);
 464                                 else {
 465                                         StrBuf_RFC822_to_Utf8(Msg->subj, Buf2, WCC->DefaultCharset, FoundCharset);
 466                                         if ((StrLength(Msg->subj) > 75) &&
 467                                             (StrBuf_Utf8StrLen(Msg->subj) > 75)) {
 468                                                 StrBuf_Utf8StrCut(Msg->subj, 72);
 469                                                 StrBufAppendBufPlain(Msg->subj, HKEY("..."), 0);
 470                                         }
 471                                 }
 472
 473
 474                                 if ((StrLength(Msg->from) > 25) &&
 475                                     (StrBuf_Utf8StrLen(Msg->from) > 25)) {
 476                                         StrBuf_Utf8StrCut(Msg->from, 23);
 477                                         StrBufAppendBufPlain(Msg->from, HKEY("..."), 0);
 478                                 }
 479                         }
 480                         n = Msg->msgnum;
 481                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 482                 }
 483                 nummsgs++;
 484         }
 485         FreeStrBuf(&Buf2);
 486         FreeStrBuf(&Buf);
 487         return (nummsgs);
 488 }
 489
 490
 491 inline message_summary* GetMessagePtrAt(int n, HashList *Summ)
 492 {
 493         const char *Key;
 494         long HKLen;
 495         void *vMsg;
 496
 497         if (Summ == NULL)
 498                 return NULL;
 499         GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
 500         return (message_summary*) vMsg;
 501 }
 502
 503
 504 long DrawMessageDropdown(StrBuf *Selector, long maxmsgs, long startmsg, int nMessages)
 505 {
 506         StrBuf *TmpBuf;
 507         wcsession *WCC = WC;
 508         void *vMsg;
 509         int lo, hi;
 510         long ret;
 511         long hklen;
 512         const char *key;
 513         int done = 0;
 514         int nItems;
 515         HashPos *At;
 516         long vector[16];
 517         WCTemplputParams SubTP;
 518
 519         memset(&SubTP, 0, sizeof(WCTemplputParams));
 520         SubTP.Filter.ContextType = CTX_LONGVECTOR;
 521         SubTP.Context = &vector;
 522         TmpBuf = NewStrBuf();
 523         At = GetNewHashPos(WCC->summ, nMessages);
 524         nItems = GetCount(WCC->summ);
 525         ret = nMessages;
 526         vector[0] = 7;
 527         vector[2] = 1;
 528         vector[1] = startmsg;
 529         vector[3] = 0;
 530
 531         while (!done) {
 532                 vector[3] = abs(nMessages);
 533                 lo = GetHashPosCounter(At);
 534                 if (nMessages > 0) {
 535                         if (lo + nMessages >= nItems) {
 536                                 hi = nItems - 1;
 537                                 vector[3] = nItems - lo;
 538                                 if (startmsg == lo)
 539                                         ret = vector[3];
 540                         }
 541                         else {
 542                                 hi = lo + nMessages - 1;
 543                         }
 544                 } else {
 545                         if (lo + nMessages < -1) {
 546                                 hi = 0;
 547                         }
 548                         else {
 549                                 if ((lo % abs(nMessages)) != 0) {
 550                                         int offset = (lo % abs(nMessages) *
 551                                                       (nMessages / abs(nMessages)));
 552                                         hi = lo + offset;
 553                                         vector[3] = abs(offset);
 554                                         if (startmsg == lo)
 555                                                  ret = offset;
 556                                 }
 557                                 else
 558                                         hi = lo + nMessages;
 559                         }
 560                 }
 561                 done = !GetNextHashPos(WCC->summ, At, &hklen, &key, &vMsg);
 562
 563                 /**
 564                  * Bump these because although we're thinking in zero base, the user
 565                  * is a drooling idiot and is thinking in one base.
 566                  */
 567                 vector[4] = lo + 1;
 568                 vector[5] = hi + 1;
 569                 vector[6] = lo;
 570                 FlushStrBuf(TmpBuf);
 571                 dbg_print_longvector(vector);
 572                 DoTemplate(HKEY("select_messageindex"), TmpBuf, &SubTP);
 573                 StrBufAppendBuf(Selector, TmpBuf, 0);
 574         }
 575         vector[6] = 0;
 576         FlushStrBuf(TmpBuf);
 577         if (maxmsgs == 9999999) {
 578                 vector[1] = 1;
 579                 ret = maxmsgs;
 580         }
 581         else
 582                 vector[1] = 0;
 583         vector[2] = 0;
 584         dbg_print_longvector(vector);
 585         DoTemplate(HKEY("select_messageindex_all"), TmpBuf, &SubTP);
 586         StrBufAppendBuf(Selector, TmpBuf, 0);
 587         FreeStrBuf(&TmpBuf);
 588         DeleteHashPos(&At);
 589         return ret;
 590 }
 591
 592 void load_seen_flags(void)
 593 {
 594         message_summary *Msg;
 595         const char *HashKey;
 596         long HKLen;
 597         HashPos *at;
 598         void *vMsg;
 599         StrBuf *OldMsg;
 600         wcsession *WCC = WC;
 601
 602         OldMsg = NewStrBuf();
 603         serv_puts("GTSN");
 604         StrBuf_ServGetln(OldMsg);
 605         if (GetServerStatus(OldMsg, NULL) == 2) {
 606                 StrBufCutLeft(OldMsg, 4);
 607         }
 608         else {
 609                 FreeStrBuf(&OldMsg);
 610                 return;
 611         }
 612         at = GetNewHashPos(WCC->summ, 0);
 613         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 614                 /** Are you a new message, or an old message? */
 615                 Msg = (message_summary*) vMsg;
 616                 if (is_msg_in_mset(ChrPtr(OldMsg), Msg->msgnum)) {
 617                         Msg->is_new = 0;
 618                 }
 619                 else {
 620                         Msg->is_new = 1;
 621                 }
 622         }
 623         FreeStrBuf(&OldMsg);
 624         DeleteHashPos(&at);
 625 }
 626
 627 extern readloop_struct rlid[];
 628
 629 /*
 630  * command loop for reading messages
 631  *
 632  * Set oper to "readnew" or "readold" or "readfwd" or "headers"
 633  */
 634 void readloop(long oper)
 635 {
 636         StrBuf *MessageDropdown = NULL;
 637         StrBuf *BBViewToolBar = NULL;
 638         void *vMsg;
 639         message_summary *Msg;
 640         char cmd[256] = "";
 641         char buf[SIZ];
 642         int a = 0;
 643         int with_headers = 0;
 644         int nummsgs;
 645         long startmsg = 0;
 646         int maxmsgs = 0;
 647         long *displayed_msgs = NULL;
 648         int num_displayed = 0;
 649         int is_singlecard = 0;
 650         struct calview calv;
 651         int i;
 652         int lowest_displayed = (-1);
 653         int highest_displayed = 0;
 654         addrbookent *addrbook = NULL;
 655         int num_ab = 0;
 656         int bbs_reverse = 0;
 657         wcsession *WCC = WC;
 658         HashPos *at;
 659         const char *HashKey;
 660         long HKLen;
 661         int care_for_empty_list = 0;
 662         int load_seen = 0;
 663         int sortit = 0;
 664         int defaultsortorder = 0;
 665         WCTemplputParams SubTP;
 666
 667         if (havebstr("is_summary") && (1 == (ibstr("is_summary"))))
 668                 WCC->wc_view = VIEW_MAILBOX;
 669
 670         if (!WCC->is_ajax) {
 671         output_headers(1, 1, 1, 0, 0, 0);
 672         } else if (WCC->wc_view == VIEW_MAILBOX) {
 673           jsonMessageListHdr();
 674         }
 675
 676         switch (WCC->wc_view) {
 677         case VIEW_WIKI:
 678                 sprintf(buf, "wiki?room=%s&page=home", ChrPtr(WCC->wc_roomname));
 679                 http_redirect(buf);
 680                 return;
 681         case VIEW_CALBRIEF:
 682         case VIEW_CALENDAR:
 683                 load_seen = 1;
 684                 strcpy(cmd, "MSGS ALL|||1");
 685                 maxmsgs = 32767;
 686                 parse_calendar_view_request(&calv);
 687                 break;
 688         case VIEW_TASKS:
 689                 strcpy(cmd, "MSGS ALL");
 690                 maxmsgs = 32767;
 691                 break;
 692         case VIEW_NOTES:
 693                 strcpy(cmd, "MSGS ALL");
 694                 maxmsgs = 32767;
 695                 wprintf("<div id=\"new_notes_here\"></div>\n");
 696                 break;
 697         case VIEW_ADDRESSBOOK:
 698                 is_singlecard = ibstr("is_singlecard");
 699                 if (is_singlecard != 1) {
 700                         if (oper == do_search) {
 701                                 snprintf(cmd, sizeof(cmd), "MSGS SEARCH|%s", bstr("query"));
 702                         }
 703                         else {
 704                                 strcpy(cmd, "MSGS ALL");
 705                         }
 706                         maxmsgs = 9999999;
 707                         break;
 708                 }
 709                 break;
 710         case VIEW_MAILBOX:
 711           if (!WCC->is_ajax) {
 712             new_summary_view();
 713             return;
 714           } else {
 715                 defaultsortorder = 2;
 716                 sortit = 1;
 717                 load_seen = 1;
 718                 care_for_empty_list = 0;
 719                 with_headers = 1;
 720                 /* Generally using maxmsgs|startmsg is not required
 721                    in mailbox view, but we have a 'safemode' for clients
 722                    (*cough* Exploder) that simply can't handle too many */
 723                 if (havebstr("maxmsgs")) maxmsgs = ibstr("maxmsgs");
 724                 else maxmsgs = 9999999;
 725                 if (havebstr("startmsg")) startmsg = lbstr("startmsg");
 726                 snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 727                          (oper == do_search) ? "SEARCH" : "ALL",
 728                          (oper == do_search) ? bstr("query") : ""
 729                         );
 730           }
 731                 break;
 732         case VIEW_BBS:
 733         default:
 734                 defaultsortorder = 1;
 735                 startmsg = -1;
 736                 sortit = 1;
 737                 care_for_empty_list = 1;
 738
 739                 rlid[oper].cmd(cmd, sizeof(cmd));
 740                 SetAccessCommand(oper);
 741
 742                 if (havebstr("maxmsgs"))
 743                         maxmsgs = ibstr("maxmsgs");
 744                 if (maxmsgs == 0) maxmsgs = DEFAULT_MAXMSGS;
 745
 746                 if (havebstr("startmsg")) {
 747                         startmsg = lbstr("startmsg");
 748                 }
 749
 750         }
 751
 752         nummsgs = load_msg_ptrs(cmd, with_headers);
 753         if (nummsgs == 0) {
 754                 if (care_for_empty_list) {
 755                         wprintf("<div class=\"nomsgs\"><br><em>");
 756                         switch (oper) {
 757                         case readnew:
 758                                 wprintf(_("No new messages."));
 759                                 break;
 760                         case readold:
 761                                 wprintf(_("No old messages."));
 762                                 break;
 763                         default:
 764                                 wprintf(_("No messages here."));
 765                         }
 766                         wprintf("</em><br></div>\n");
 767                         goto DONE;
 768                 }
 769
 770         }
 771
 772         if (sortit) {
 773                 CompareFunc SortIt;
 774                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 775                 SubTP.Filter.ContextType = CTX_NONE;
 776                 SubTP.Context = NULL;
 777                 SortIt =  RetrieveSort(&SubTP, NULL, 0,
 778                                        HKEY("date"), defaultsortorder);
 779                 if (SortIt != NULL)
 780                         SortByPayload(WCC->summ, SortIt);
 781                 if (WCC->wc_view == VIEW_BBS) {
 782                         if (lbstr("SortOrder") == 2) {
 783                                 bbs_reverse = 1;
 784                                 num_displayed = -DEFAULT_MAXMSGS;
 785                         }
 786                         else {
 787                                 bbs_reverse = 0;
 788                                 num_displayed = DEFAULT_MAXMSGS;
 789                         }
 790                 }
 791         }
 792         if (startmsg < 0) startmsg = (bbs_reverse) ? nummsgs - 1 : 0;
 793
 794         if (load_seen) load_seen_flags();
 795
 796         /**
 797          * If we're to print s.th. above the message list...
 798          */
 799         switch (WCC->wc_view) {
 800         case VIEW_BBS:
 801                 BBViewToolBar = NewStrBuf();
 802                 MessageDropdown = NewStrBuf();
 803
 804                 maxmsgs = DrawMessageDropdown(MessageDropdown, maxmsgs, startmsg, num_displayed);
 805                 if (num_displayed < 0) {
 806                         startmsg += maxmsgs;
 807                         if (num_displayed != maxmsgs)
 808                                 maxmsgs = abs(maxmsgs) + 1;
 809                         else
 810                                 maxmsgs = abs(maxmsgs);
 811
 812                 }
 813                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 814                 SubTP.Filter.ContextType = CTX_STRBUF;
 815                 SubTP.Context = MessageDropdown;
 816                 DoTemplate(HKEY("msg_listselector_top"), BBViewToolBar, &SubTP);
 817                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 818                 FlushStrBuf(BBViewToolBar);
 819                 break;
 820         }
 821         WCC->startmsg =  startmsg;
 822         WCC->maxmsgs = maxmsgs;
 823         WCC->num_displayed = 0;
 824
 825         /* Put some helpful data in vars for mailsummary_json */
 826         svputlong("READLOOP:TOTALMSGS", nummsgs);
 827         svputlong("READLOOP:STARTMSG", startmsg);
 828         svputlong("WCVIEW", WCC->wc_view);
 829         /*
 830          * iterate over each message. if we need to load an attachment, do it here.
 831          */
 832         if (WCC->wc_view == VIEW_MAILBOX) goto NO_MSG_LOOP;
 833         /*
 834          * iterate over each message. if we need to load an attachment, do it here.
 835          */
 836         at = GetNewHashPos(WCC->summ, 0);
 837         num_displayed = i = 0;
 838         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 839                 Msg = (message_summary*) vMsg;
 840                 if ((Msg->msgnum >= startmsg) && (num_displayed <= maxmsgs)) {
 841                         switch (WCC->wc_view) {
 842                         case VIEW_WIKI:
 843                                 break;
 844                         case VIEW_CALBRIEF: /* load the mime attachments for special tasks... */
 845                         case VIEW_CALENDAR:
 846                                 load_calendar_item(Msg, Msg->is_new, &calv);
 847                                 break;
 848                         case VIEW_TASKS:
 849                                 display_task(Msg, Msg->is_new);
 850                                 break;
 851                         case VIEW_NOTES:
 852                                 display_note(Msg, Msg->is_new);
 853                                 break;
 854                         case VIEW_ADDRESSBOOK:
 855                                 fetch_ab_name(Msg, buf);
 856                                 ++num_ab;
 857                                 addrbook = realloc(addrbook,
 858                                                    (sizeof(addrbookent) * num_ab) );
 859                                 safestrncpy(addrbook[num_ab-1].ab_name, buf,
 860                                             sizeof(addrbook[num_ab-1].ab_name));
 861                                 addrbook[num_ab-1].ab_msgnum = Msg->msgnum;
 862                                 break;
 863                         case VIEW_BBS: /* Tag the mails we want to show in bbview... */
 864                         default:
 865                                 if (displayed_msgs == NULL) {
 866                                         displayed_msgs = malloc(sizeof(long) *
 867                                                                 (maxmsgs<nummsgs ? maxmsgs + 1 : nummsgs + 1));
 868                                 }
 869                                 if ((i >= startmsg) && (i < startmsg + maxmsgs)) {
 870                                         displayed_msgs[num_displayed] = Msg->msgnum;
 871                                         if (lowest_displayed < 0) lowest_displayed = a;
 872                                         highest_displayed = a;
 873
 874                                         num_displayed++;
 875                                 }
 876                         }
 877                 }
 878                 i++;
 879         }
 880         DeleteHashPos(&at);
 881
 882  NO_MSG_LOOP:
 883         /*
 884          * Done iterating the message list. now tasks we want to do after.
 885          */
 886         switch (WCC->wc_view) {
 887         case VIEW_MAILBOX:
 888           DoTemplate(HKEY("mailsummary_json"),NULL, &SubTP);
 889           break;
 890         case VIEW_BBS:
 891                 if (displayed_msgs != NULL) {
 892                         /** if we do a split bbview in the future, begin messages div here */
 893
 894                         for (a=0; a<num_displayed; ++a) {
 895                                 read_message(WCC->WBuf, HKEY("view_message"), displayed_msgs[a], 0, NULL);
 896                         }
 897
 898                         /** if we do a split bbview in the future, end messages div here */
 899
 900                         free(displayed_msgs);
 901                         displayed_msgs = NULL;
 902                 }
 903                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 904                 SubTP.Filter.ContextType = CTX_STRBUF;
 905                 SubTP.Context = MessageDropdown;
 906                 DoTemplate(HKEY("msg_listselector_bottom"), BBViewToolBar, &SubTP);
 907                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 908
 909                 FreeStrBuf(&BBViewToolBar);
 910                 FreeStrBuf(&MessageDropdown);
 911         }
 912
 913
 914 DONE:
 915         switch (WCC->wc_view) {
 916         case VIEW_WIKI:
 917                 break;
 918         case VIEW_CALBRIEF:
 919         case VIEW_CALENDAR:
 920                 render_calendar_view(&calv);
 921                 break;
 922         case VIEW_TASKS:
 923                 do_tasks_view();        /** Render the task list */
 924                 break;
 925         case VIEW_NOTES:
 926                 break;
 927         case VIEW_ADDRESSBOOK:
 928                 if (is_singlecard)
 929                         read_message(WC->WBuf, HKEY("view_message"), lbstr("startmsg"), 0, NULL);
 930                 else
 931                         do_addrbook_view(addrbook, num_ab);     /** Render the address book */
 932                 break;
 933         case VIEW_MAILBOX:
 934         case VIEW_BBS:
 935         default:
 936                 break;
 937         }
 938         /** Note: wDumpContent() will output one additional </div> tag. */
 939         if (WCC->wc_view != VIEW_MAILBOX) {
 940                 /* We ought to move this out into template */
 941                 wDumpContent(1);
 942         } else {
 943                 end_burst();
 944         }
 945         WCC->startmsg = 0;
 946         WCC->maxmsgs = 0;
 947         if (WCC->summ != NULL) {
 948                 DeleteHash(&WCC->summ);
 949         }
 950         if (addrbook != NULL) free(addrbook);
 951         FreeStrBuf(&BBViewToolBar);
 952 }
 953
 954
 955 /*
 956  * Back end for post_message()
 957  * ... this is where the actual message gets transmitted to the server.
 958  */
 959 void post_mime_to_server(void) {
 960         wcsession *WCC = WC;
 961         char top_boundary[SIZ];
 962         char alt_boundary[SIZ];
 963         int is_multipart = 0;
 964         static int seq = 0;
 965         wc_mime_attachment *att;
 966         char *encoded;
 967         size_t encoded_length;
 968         size_t encoded_strlen;
 969         char *txtmail = NULL;
 970
 971         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
 972                 ChrPtr(WCC->serv_info->serv_fqdn),
 973                 getpid(),
 974                 ++seq
 975         );
 976         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
 977                 ChrPtr(WCC->serv_info->serv_fqdn),
 978                 getpid(),
 979                 ++seq
 980         );
 981
 982         /* RFC2045 requires this, and some clients look for it... */
 983         serv_puts("MIME-Version: 1.0");
 984         serv_puts("X-Mailer: " PACKAGE_STRING);
 985
 986         /* If there are attachments, we have to do multipart/mixed */
 987         if (GetCount(WCC->attachments) > 0) {
 988                 is_multipart = 1;
 989         }
 990
 991         if (is_multipart) {
 992                 /* Remember, serv_printf() appends an extra newline */
 993                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
 994                 serv_printf("This is a multipart message in MIME format.\n");
 995                 serv_printf("--%s", top_boundary);
 996         }
 997
 998         /* Remember, serv_printf() appends an extra newline */
 999         serv_printf("Content-type: multipart/alternative; "
1000                 "boundary=\"%s\"\n", alt_boundary);
1001         serv_printf("This is a multipart message in MIME format.\n");
1002         serv_printf("--%s", alt_boundary);
1003
1004         serv_puts("Content-type: text/plain; charset=utf-8");
1005         serv_puts("Content-Transfer-Encoding: quoted-printable");
1006         serv_puts("");
1007         txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
1008         text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
1009         free(txtmail);
1010
1011         serv_printf("--%s", alt_boundary);
1012
1013         serv_puts("Content-type: text/html; charset=utf-8");
1014         serv_puts("Content-Transfer-Encoding: quoted-printable");
1015         serv_puts("");
1016         serv_puts("<html><body>\r\n");
1017         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
1018         serv_puts("</body></html>\r\n");
1019
1020         serv_printf("--%s--", alt_boundary);
1021
1022         if (is_multipart) {
1023                 long len;
1024                 const char *Key;
1025                 void *vAtt;
1026                 HashPos  *it;
1027
1028                 /* Add in the attachments */
1029                 it = GetNewHashPos(WCC->attachments, 0);
1030                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
1031                         att = (wc_mime_attachment *)vAtt;
1032                         encoded_length = ((att->length * 150) / 100);
1033                         encoded = malloc(encoded_length);
1034                         if (encoded == NULL) break;
1035                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
1036
1037                         serv_printf("--%s", top_boundary);
1038                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
1039                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
1040                         serv_puts("Content-transfer-encoding: base64");
1041                         serv_puts("");
1042                         serv_write(encoded, encoded_strlen);
1043                         serv_puts("");
1044                         serv_puts("");
1045                         free(encoded);
1046                 }
1047                 serv_printf("--%s--", top_boundary);
1048                 DeleteHashPos(&it);
1049         }
1050
1051         serv_puts("000");
1052 }
1053
1054
1055 /*
1056  * Post message (or don't post message)
1057  *
1058  * Note regarding the "dont_post" variable:
1059  * A random value (actually, it's just a timestamp) is inserted as a hidden
1060  * field called "postseq" when the display_enter page is generated.  This
1061  * value is checked when posting, using the static variable dont_post.  If a
1062  * user attempts to post twice using the same dont_post value, the message is
1063  * discarded.  This prevents the accidental double-saving of the same message
1064  * if the user happens to click the browser "back" button.
1065  */
1066 void post_message(void)
1067 {
1068         char buf[1024];
1069         StrBuf *encoded_subject = NULL;
1070         static long dont_post = (-1L);
1071         wc_mime_attachment  *att;
1072         int is_anonymous = 0;
1073         const StrBuf *display_name = NULL;
1074         wcsession *WCC = WC;
1075
1076         if (havebstr("force_room")) {
1077                 gotoroom(sbstr("force_room"));
1078         }
1079
1080         if (havebstr("display_name")) {
1081                 display_name = sbstr("display_name");
1082                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1083                         display_name = NULL;
1084                         is_anonymous = 1;
1085                 }
1086         }
1087
1088         if (WCC->upload_length > 0) {
1089                 const char *pch;
1090                 int n;
1091                 char N[64];
1092
1093                 lprintf(9, "%s:%d: we are uploading %d bytes\n", __FILE__, __LINE__, WCC->upload_length);
1094                 /** There's an attachment.  Save it to this struct... */
1095                 att = malloc(sizeof(wc_mime_attachment));
1096                 memset(att, 0, sizeof(wc_mime_attachment ));
1097                 att->length = WCC->upload_length;
1098                 att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1099                 att->FileName = NewStrBufPlain(WCC->upload_filename, -1);
1100
1101
1102                 if (WCC->attachments == NULL)
1103                         WCC->attachments = NewHash(1, NULL);
1104                 /* And add it to the list. */
1105                 n = snprintf(N, sizeof N, "%d", GetCount(WCC->attachments) + 1);
1106                 Put(WCC->attachments, N, n, att, DestroyMime);
1107
1108                 /**
1109                  * Mozilla sends a simple filename, which is what we want,
1110                  * but Satan's Browser sends an entire pathname.  Reduce
1111                  * the path to just a filename if we need to.
1112                  */
1113                 pch = strrchr(ChrPtr(att->FileName), '/');
1114                 if (pch != NULL) {
1115                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1116                 }
1117                 pch = strrchr(ChrPtr(att->FileName), '\\');
1118                 if (pch != NULL) {
1119                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1120                 }
1121
1122                 /**
1123                  * Transfer control of this memory from the upload struct
1124                  * to the attachment struct.
1125                  */
1126                 att->Data = NewStrBufPlain(WCC->upload, WCC->upload_length);
1127                 free(WCC->upload);
1128                 WCC->upload_length = 0;
1129                 WCC->upload = NULL;
1130                 display_enter();
1131                 return;
1132         }
1133
1134         if (havebstr("cancel_button")) {
1135                 sprintf(WCC->ImportantMessage,
1136                         _("Cancelled.  Message was not posted."));
1137         } else if (havebstr("attach_button")) {
1138                 display_enter();
1139                 return;
1140         } else if (lbstr("postseq") == dont_post) {
1141                 sprintf(WCC->ImportantMessage,
1142                         _("Automatically cancelled because you have already "
1143                         "saved this message."));
1144         } else {
1145                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1146                 const StrBuf *Recp = NULL;
1147                 const StrBuf *Cc = NULL;
1148                 const StrBuf *Bcc = NULL;
1149                 const StrBuf *Wikipage = NULL;
1150                 const StrBuf *my_email_addr = NULL;
1151                 StrBuf *CmdBuf = NULL;
1152                 StrBuf *references = NULL;
1153
1154                 if (havebstr("references"))
1155                 {
1156                         const StrBuf *ref = sbstr("references");
1157                         references = NewStrBufPlain(ChrPtr(ref), StrLength(ref));
1158                         lprintf(9, "Converting: %s\n", ChrPtr(references));
1159                         StrBufReplaceChars(references, '|', '!');
1160                         lprintf(9, "Converted: %s\n", ChrPtr(references));
1161                 }
1162                 if (havebstr("subject")) {
1163                         const StrBuf *Subj;
1164                         /*
1165                          * make enough room for the encoded string;
1166                          * plus the QP header
1167                          */
1168                         Subj = sbstr("subject");
1169
1170                         StrBufRFC2047encode(&encoded_subject, Subj);
1171                 }
1172                 Recp = sbstr("recp");
1173                 Cc = sbstr("cc");
1174                 Bcc = sbstr("bcc");
1175                 Wikipage = sbstr("wikipage");
1176                 my_email_addr = sbstr("my_email_addr");
1177
1178                 CmdBuf = NewStrBufPlain(NULL,
1179                                         sizeof (CMD) +
1180                                         StrLength(Recp) +
1181                                         StrLength(encoded_subject) +
1182                                         StrLength(Cc) +
1183                                         StrLength(Bcc) +
1184                                         StrLength(Wikipage) +
1185                                         StrLength(my_email_addr) +
1186                                         StrLength(references));
1187
1188                 StrBufPrintf(CmdBuf,
1189                              CMD,
1190                              ChrPtr(Recp),
1191                              is_anonymous,
1192                              ChrPtr(encoded_subject),
1193                              ChrPtr(display_name),
1194                              ChrPtr(Cc),
1195                              ChrPtr(Bcc),
1196                              ChrPtr(Wikipage),
1197                              ChrPtr(my_email_addr),
1198                              ChrPtr(references));
1199                 FreeStrBuf(&references);
1200
1201                 lprintf(9, "%s\n", ChrPtr(CmdBuf));
1202                 serv_puts(ChrPtr(CmdBuf));
1203                 serv_getln(buf, sizeof buf);
1204                 FreeStrBuf(&CmdBuf);
1205                 FreeStrBuf(&encoded_subject);
1206                 if (buf[0] == '4') {
1207                         post_mime_to_server();
1208                         if (  (havebstr("recp"))
1209                            || (havebstr("cc"  ))
1210                            || (havebstr("bcc" ))
1211                         ) {
1212                                 sprintf(WCC->ImportantMessage, _("Message has been sent.\n"));
1213                         }
1214                         else {
1215                                 sprintf(WC->ImportantMessage, _("Message has been posted.\n"));
1216                         }
1217                         dont_post = lbstr("postseq");
1218                 } else {
1219                         lprintf(9, "%s:%d: server post error: %s\n", __FILE__, __LINE__, buf);
1220                         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1221                         display_enter();
1222                         return;
1223                 }
1224         }
1225
1226         DeleteHash(&WCC->attachments);
1227
1228         /**
1229          *  We may have been supplied with instructions regarding the location
1230          *  to which we must return after posting.  If found, go there.
1231          */
1232         if (havebstr("return_to")) {
1233                 http_redirect(bstr("return_to"));
1234         }
1235         /**
1236          *  If we were editing a page in a wiki room, go to that page now.
1237          */
1238         else if (havebstr("wikipage")) {
1239                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
1240                 http_redirect(buf);
1241         }
1242         /**
1243          *  Otherwise, just go to the "read messages" loop.
1244          */
1245         else {
1246                 readloop(readnew);
1247         }
1248 }
1249
1250
1251
1252
1253 /**
1254  * \brief display the message entry screen
1255  */
1256 void display_enter(void)
1257 {
1258         char buf[SIZ];
1259         long now;
1260         const StrBuf *display_name = NULL;
1261         int recipient_required = 0;
1262         int subject_required = 0;
1263         int recipient_bad = 0;
1264         int is_anonymous = 0;
1265         wcsession *WCC = WC;
1266
1267         now = time(NULL);
1268
1269         if (havebstr("force_room")) {
1270                 gotoroom(sbstr("force_room"));
1271         }
1272
1273         display_name = sbstr("display_name");
1274         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1275                 display_name = NULL;
1276                 is_anonymous = 1;
1277         }
1278
1279         /** First test to see whether this is a room that requires recipients to be entered */
1280         serv_puts("ENT0 0");
1281         serv_getln(buf, sizeof buf);
1282
1283         if (!strncmp(buf, "570", 3)) {          /** 570 means that we need a recipient here */
1284                 recipient_required = 1;
1285         }
1286         else if (buf[0] != '2') {               /** Any other error means that we cannot continue */
1287                 sprintf(WCC->ImportantMessage, "%s", &buf[4]);
1288                 readloop(readnew);
1289                 return;
1290         }
1291
1292         /* Is the server strongly recommending that the user enter a message subject? */
1293         if ((buf[3] != '\0') && (buf[4] != '\0')) {
1294                 subject_required = extract_int(&buf[4], 1);
1295         }
1296
1297         /**
1298          * Are we perhaps in an address book view?  If so, then an "enter
1299          * message" command really means "add new entry."
1300          */
1301         if (WCC->wc_default_view == VIEW_ADDRESSBOOK) {
1302                 do_edit_vcard(-1, "", "", ChrPtr(WCC->wc_roomname));
1303                 return;
1304         }
1305
1306         /*
1307          * Are we perhaps in a calendar room?  If so, then an "enter
1308          * message" command really means "add new calendar item."
1309          */
1310         if (WCC->wc_default_view == VIEW_CALENDAR) {
1311                 display_edit_event();
1312                 return;
1313         }
1314
1315         /*
1316          * Are we perhaps in a tasks view?  If so, then an "enter
1317          * message" command really means "add new task."
1318          */
1319         if (WCC->wc_default_view == VIEW_TASKS) {
1320                 display_edit_task();
1321                 return;
1322         }
1323
1324         /*
1325          * Otherwise proceed normally.
1326          * Do a custom room banner with no navbar...
1327          */
1328
1329         if (recipient_required) {
1330                 const StrBuf *Recp = NULL;
1331                 const StrBuf *Cc = NULL;
1332                 const StrBuf *Bcc = NULL;
1333                 const StrBuf *Wikipage = NULL;
1334                 StrBuf *CmdBuf = NULL;
1335                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1336
1337                 Recp = sbstr("recp");
1338                 Cc = sbstr("cc");
1339                 Bcc = sbstr("bcc");
1340                 Wikipage = sbstr("wikipage");
1341
1342                 CmdBuf = NewStrBufPlain(NULL,
1343                                         sizeof (CMD) +
1344                                         StrLength(Recp) +
1345                                         StrLength(display_name) +
1346                                         StrLength(Cc) +
1347                                         StrLength(Bcc) +
1348                                         StrLength(Wikipage));
1349
1350                 StrBufPrintf(CmdBuf,
1351                              CMD,
1352                              ChrPtr(Recp),
1353                              is_anonymous,
1354                              ChrPtr(display_name),
1355                              ChrPtr(Cc),
1356                              ChrPtr(Bcc),
1357                              ChrPtr(Wikipage));
1358                 serv_puts(ChrPtr(CmdBuf));
1359                 serv_getln(buf, sizeof buf);
1360                 FreeStrBuf(&CmdBuf);
1361
1362                 if (!strncmp(buf, "570", 3)) {  /** 570 means we have an invalid recipient listed */
1363                         if (havebstr("recp") &&
1364                             havebstr("cc"  ) &&
1365                             havebstr("bcc" )) {
1366                                 recipient_bad = 1;
1367                         }
1368                 }
1369                 else if (buf[0] != '2') {       /** Any other error means that we cannot continue */
1370                         wprintf("<em>%s</em><br />\n", &buf[4]);/*TODO -> important message */
1371                         return;
1372                 }
1373         }
1374         svputlong("RCPTREQUIRED", recipient_required);
1375         svputlong("SUBJREQUIRED", recipient_required || subject_required);
1376
1377         begin_burst();
1378         output_headers(1, 0, 0, 0, 1, 0);
1379         DoTemplate(HKEY("edit_message"), NULL, &NoCtx);
1380         end_burst();
1381
1382         return;
1383 }
1384
1385 /**
1386  * \brief delete a message
1387  */
1388 void delete_msg(void)
1389 {
1390         long msgid;
1391         char buf[SIZ];
1392
1393         msgid = lbstr("msgid");
1394
1395         if (WC->wc_is_trash) {  /** Delete from Trash is a real delete */
1396                 serv_printf("DELE %ld", msgid);
1397         }
1398         else {                  /** Otherwise move it to Trash */
1399                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1400         }
1401
1402         serv_getln(buf, sizeof buf);
1403         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1404
1405         readloop(readnew);
1406 }
1407
1408
1409 /**
1410  * \brief move a message to another folder
1411  */
1412 void move_msg(void)
1413 {
1414         long msgid;
1415         char buf[SIZ];
1416
1417         msgid = lbstr("msgid");
1418
1419         if (havebstr("move_button")) {
1420                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1421                 serv_puts(buf);
1422                 serv_getln(buf, sizeof buf);
1423                 sprintf(WC->ImportantMessage, "%s", &buf[4]);
1424         } else {
1425                 sprintf(WC->ImportantMessage, (_("The message was not moved.")));
1426         }
1427
1428         readloop(readnew);
1429 }
1430
1431
1432
1433
1434
1435 /*
1436  * Confirm move of a message
1437  */
1438 void confirm_move_msg(void)
1439 {
1440         long msgid;
1441         char buf[SIZ];
1442         char targ[SIZ];
1443
1444         msgid = lbstr("msgid");
1445
1446
1447         output_headers(1, 1, 2, 0, 0, 0);
1448         wprintf("<div id=\"banner\">\n");
1449         wprintf("<h1>");
1450         wprintf(_("Confirm move of message"));
1451         wprintf("</h1>");
1452         wprintf("</div>\n");
1453
1454         wprintf("<div id=\"content\" class=\"service\">\n");
1455
1456         wprintf("<CENTER>");
1457
1458         wprintf(_("Move this message to:"));
1459         wprintf("<br />\n");
1460
1461         wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
1462         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
1463         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
1464
1465         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1466         serv_puts("LKRA");
1467         serv_getln(buf, sizeof buf);
1468         if (buf[0] == '1') {
1469                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1470                         extract_token(targ, buf, 0, '|', sizeof targ);
1471                         wprintf("<OPTION>");
1472                         escputs(targ);
1473                         wprintf("\n");
1474                 }
1475         }
1476         wprintf("</SELECT>\n");
1477         wprintf("<br />\n");
1478
1479         wprintf("<INPUT TYPE=\"submit\" NAME=\"move_button\" VALUE=\"%s\">", _("Move"));
1480         wprintf("&nbsp;");
1481         wprintf("<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">", _("Cancel"));
1482         wprintf("</form></CENTER>\n");
1483
1484         wprintf("</CENTER>\n");
1485         wDumpContent(1);
1486 }
1487
1488
1489 /*
1490  * Generic function to output an arbitrary MIME attachment from
1491  * message being composed
1492  *
1493  * partnum              The MIME part to be output
1494  * filename             Fake filename to give
1495  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1496  */
1497 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1498 {
1499         void *vPart;
1500         StrBuf *content_type;
1501         wc_mime_attachment *part;
1502
1503         if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
1504             (vPart != NULL)) {
1505                 part = (wc_mime_attachment*) vPart;
1506                 if (force_download) {
1507                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1508                 }
1509                 else {
1510                         content_type = NewStrBufDup(part->ContentType);
1511                 }
1512                 output_headers(0, 0, 0, 0, 0, 0);
1513                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1514                 http_transmit_thing(ChrPtr(content_type), 0);
1515         } else {
1516                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1517                 output_headers(0, 0, 0, 0, 0, 0);
1518                 hprintf("Content-Type: text/plain\r\n");
1519                 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
1520                         ChrPtr(partnum), ChrPtr(filename));
1521                 end_burst();
1522         }
1523         FreeStrBuf(&content_type);
1524 }
1525
1526
1527 /*
1528  * Generic function to output an arbitrary MIME part from an arbitrary
1529  * message number on the server.
1530  *
1531  * msgnum               Number of the item on the citadel server
1532  * partnum              The MIME part to be output
1533  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1534  */
1535 void mimepart(int force_download)
1536 {
1537         wcsession *WCC = WC;
1538
1539         char buf[256];
1540         off_t bytes;
1541         char content_type[256];
1542         const char *ContentType = &content_type[0];
1543
1544         serv_printf("OPNA %s|%s", ChrPtr(WCC->UrlFragment2), ChrPtr(WCC->UrlFragment3));
1545         serv_getln(buf, sizeof buf);
1546         if (buf[0] == '2') {
1547                 bytes = extract_long(&buf[4], 0);
1548                 if (force_download) {
1549                         strcpy(content_type, "application/octet-stream");
1550                 }
1551                 else {
1552                         extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1553                 }
1554
1555                 read_server_binary(WCC->WBuf, bytes);
1556                 serv_puts("CLOS");
1557                 serv_getln(buf, sizeof buf);
1558
1559                 if (!force_download) {
1560                         if (!strcasecmp(ContentType, "application/octet-stream")) {
1561                                 ContentType = GuessMimeByFilename(SKEY(WCC->UrlFragment4));
1562                         }
1563                         if (!strcasecmp(ContentType, "application/octet-stream")) {
1564                                 ContentType = GuessMimeType(SKEY(WCC->WBuf));
1565                         }
1566                 }
1567                 output_headers(0, 0, 0, 0, 0, 0);
1568                 http_transmit_thing(ContentType, 0);
1569         } else {
1570                 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1571                 output_headers(0, 0, 0, 0, 0, 0);
1572                 hprintf("Content-Type: text/plain\r\n");
1573                 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
1574                 end_burst();
1575         }
1576 }
1577
1578
1579 /*
1580  * Read any MIME part of a message, from the server, into memory.
1581  */
1582 char *load_mimepart(long msgnum, char *partnum)
1583 {
1584         char buf[SIZ];
1585         off_t bytes;
1586         char content_type[SIZ];
1587         char *content;
1588
1589         serv_printf("DLAT %ld|%s", msgnum, partnum);
1590         serv_getln(buf, sizeof buf);
1591         if (buf[0] == '6') {
1592                 bytes = extract_long(&buf[4], 0);
1593                 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1594
1595                 content = malloc(bytes + 2);
1596                 serv_read(content, bytes);
1597
1598                 content[bytes] = 0;     /* null terminate for good measure */
1599                 return(content);
1600         }
1601         else {
1602                 return(NULL);
1603         }
1604 }
1605
1606 /*
1607  * Read any MIME part of a message, from the server, into memory.
1608  */
1609 void MimeLoadData(wc_mime_attachment *Mime)
1610 {
1611         char buf[SIZ];
1612         off_t bytes;
1613 /* TODO: is there a chance the contenttype is different  to the one we know?     */
1614         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1615         serv_getln(buf, sizeof buf);
1616         if (buf[0] == '6') {
1617                 bytes = extract_long(&buf[4], 0);
1618
1619                 if (Mime->Data == NULL)
1620                         Mime->Data = NewStrBufPlain(NULL, bytes);
1621                 StrBuf_ServGetBLOB(Mime->Data, bytes);
1622
1623         }
1624         else {
1625                 FlushStrBuf(Mime->Data);
1626                 /* TODO XImportant message */
1627         }
1628 }
1629
1630
1631
1632
1633 void view_mimepart(void) {
1634         mimepart(0);
1635 }
1636
1637 void download_mimepart(void) {
1638         mimepart(1);
1639 }
1640
1641 void view_postpart(void) {
1642         postpart(WC->UrlFragment2,
1643                  WC->UrlFragment3,
1644                  0);
1645 }
1646
1647 void download_postpart(void) {
1648         postpart(WC->UrlFragment2,
1649                  WC->UrlFragment3,
1650                  1);
1651 }
1652
1653 void h_readnew(void) { readloop(readnew);}
1654 void h_readold(void) { readloop(readold);}
1655 void h_readfwd(void) { readloop(readfwd);}
1656 void h_headers(void) { readloop(headers);}
1657 void h_do_search(void) { readloop(do_search);}
1658
1659 void jsonMessageListHdr(void)
1660 {
1661         /* TODO: make a generic function */
1662   hprintf("HTTP/1.1 200 OK\r\n");
1663   hprintf("Content-type: application/json; charset=utf-8\r\n");
1664   hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
1665   hprintf("Connection: close\r\n");
1666   hprintf("Pragma: no-cache\r\nCache-Control: no-store\r\nExpires:-1\r\n");
1667   begin_burst();
1668 }
1669 /* Spit out the new summary view. This is basically a static page, so clients can cache the layout, all the dirty work is javascript :) */
1670 void new_summary_view(void) {
1671   begin_burst();
1672   DoTemplate(HKEY("msg_listview"),NULL,&NoCtx);
1673   DoTemplate(HKEY("trailing"),NULL,&NoCtx);
1674   end_burst();
1675 }
1676 /** Output message list in JSON-format */
1677 void jsonMessageList(void) {
1678   const StrBuf *room = sbstr("room");
1679   long oper = (havebstr("query")) ? do_search : readnew;
1680   WC->is_ajax = 1;
1681   gotoroom(room);
1682   readloop(oper);
1683   WC->is_ajax = 0;
1684 }
1685
1686 void
1687 InitModule_MSG
1688 (void)
1689 {
1690         RegisterPreference("use_sig",
1691                            _("Attach signature to email messages?"),
1692                            PRF_YESNO,
1693                            NULL);
1694         RegisterPreference("signature", _("Use this signature:"), PRF_QP_STRING, NULL);
1695         RegisterPreference("default_header_charset",
1696                            _("Default character set for email headers:"),
1697                            PRF_STRING,
1698                            NULL);
1699         RegisterPreference("defaultfrom", _("Preferred email address"), PRF_STRING, NULL);
1700         RegisterPreference("defaultname",
1701                            _("Preferred display name for email messages"),
1702                            PRF_STRING,
1703                            NULL);
1704         RegisterPreference("defaulthandle",
1705                            _("Preferred display name for bulletin board posts"),
1706                            PRF_STRING,
1707                            NULL);
1708         RegisterPreference("mailbox",_("Mailbox view mode"), PRF_STRING, NULL);
1709
1710         WebcitAddUrlHandler(HKEY("readnew"), h_readnew, NEED_URL);
1711         WebcitAddUrlHandler(HKEY("readold"), h_readold, NEED_URL);
1712         WebcitAddUrlHandler(HKEY("readfwd"), h_readfwd, NEED_URL);
1713         WebcitAddUrlHandler(HKEY("headers"), h_headers, NEED_URL);
1714         WebcitAddUrlHandler(HKEY("do_search"), h_do_search, 0);
1715         WebcitAddUrlHandler(HKEY("display_enter"), display_enter, 0);
1716         WebcitAddUrlHandler(HKEY("post"), post_message, 0);
1717         WebcitAddUrlHandler(HKEY("move_msg"), move_msg, 0);
1718         WebcitAddUrlHandler(HKEY("delete_msg"), delete_msg, 0);
1719         WebcitAddUrlHandler(HKEY("confirm_move_msg"), confirm_move_msg, 0);
1720         WebcitAddUrlHandler(HKEY("msg"), embed_message, NEED_URL|AJAX);
1721         WebcitAddUrlHandler(HKEY("printmsg"), print_message, NEED_URL);
1722         WebcitAddUrlHandler(HKEY("mobilemsg"), mobile_message_view, NEED_URL);
1723         WebcitAddUrlHandler(HKEY("msgheaders"), display_headers, NEED_URL);
1724
1725         WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1726         WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1727         WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1728         WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1729
1730         /* json */
1731         WebcitAddUrlHandler(HKEY("roommsgs"), jsonMessageList,0);
1732         return ;
1733 }