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 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
  22
  23 void display_enter(void);
  24 int longcmp_r(const void *s1, const void *s2);
  25 int summcmp_subj(const void *s1, const void *s2);
  26 int summcmp_rsubj(const void *s1, const void *s2);
  27 int summcmp_sender(const void *s1, const void *s2);
  28 int summcmp_rsender(const void *s1, const void *s2);
  29 int summcmp_date(const void *s1, const void *s2);
  30 int summcmp_rdate(const void *s1, const void *s2);
  31
  32 /*----------------------------------------------------------------------------*/
  33
  34
  35 typedef void (*MsgPartEvaluatorFunc)(message_summary *Sum, StrBuf *Buf);
  36
  37
  38
  39 /*----------------------------------------------------------------------------*/
  40
  41
  42
  43 /*
  44  * I wanna SEE that message!
  45  *
  46  * msgnum               Message number to display
  47  * printable_view       Nonzero to display a printable view
  48  * section              Optional for encapsulated message/rfc822 submessage
  49  */
  50 int read_message(StrBuf *Target, const char *tmpl, long tmpllen, long msgnum, int printable_view, const StrBuf *PartNum) {
  51         StrBuf *Buf;
  52         StrBuf *HdrToken;
  53         StrBuf *FoundCharset;
  54         HashPos  *it;
  55         void *vMime;
  56         message_summary *Msg = NULL;
  57         headereval *Hdr;
  58         void *vHdr;
  59         char buf[SIZ];
  60         int Done = 0;
  61         int state=0;
  62         long len;
  63         const char *Key;
  64
  65         Buf = NewStrBuf();
  66         lprintf(1, "----------%s---------MSG4 %ld|%s--------------\n", tmpl, msgnum, ChrPtr(PartNum));
  67         serv_printf("MSG4 %ld|%s", msgnum, ChrPtr(PartNum));
  68         StrBuf_ServGetln(Buf);
  69         if (GetServerStatus(Buf, NULL) != 1) {
  70                 StrBufAppendPrintf(Target, "<strong>");
  71                 StrBufAppendPrintf(Target, _("ERROR:"));
  72                 StrBufAppendPrintf(Target, "</strong> %s<br />\n", &buf[4]);
  73                 FreeStrBuf(&Buf);
  74                 return 0;
  75         }
  76
  77         /** begin everythingamundo table */
  78
  79
  80         HdrToken = NewStrBuf();
  81         Msg = (message_summary *)malloc(sizeof(message_summary));
  82         memset(Msg, 0, sizeof(message_summary));
  83         Msg->msgnum = msgnum;
  84         Msg->PartNum = PartNum;
  85         Msg->MsgBody =  (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
  86         memset(Msg->MsgBody, 0, sizeof(wc_mime_attachment));
  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 (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 lprintf(1, "don't know how to handle message header[%s]\n", ChrPtr(HdrToken));
 126                         break;
 127                 case 1:/* Message Mime Header */
 128                         if (StrLength(Buf) == 0) {
 129                                 state++;
 130                                 if (Msg->MsgBody->ContentType == NULL)
 131                                         /* end of header or no header? */
 132                                         Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/plain"));
 133                                  /* usual end of mime header */
 134                         }
 135                         else
 136                         {
 137                                 StrBufExtract_token(HdrToken, Buf, 0, ':');
 138                                 if (StrLength(HdrToken) > 0) {
 139                                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 140 #ifdef TECH_PREVIEW
 141                                         if (analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 142 #endif
 143                                         /* the examine*'s know how to do with mime headers too... */
 144                                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 145                                             (vHdr != NULL)) {
 146                                                 Hdr = (headereval*)vHdr;
 147                                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 148                                         }
 149                                         break;
 150                                 }
 151                         }
 152                 case 2: /* Message Body */
 153
 154                         if (Msg->MsgBody->size_known > 0) {
 155                                 StrBuf_ServGetBLOB(Msg->MsgBody->Data, Msg->MsgBody->length);
 156                                 state ++;
 157                                         /// todo: check next line, if not 000, append following lines
 158                         }
 159                         else if (1){
 160                                 if (StrLength(Msg->MsgBody->Data) > 0)
 161                                         StrBufAppendBufPlain(Msg->MsgBody->Data, "\n", 1, 0);
 162                                 StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 163                         }
 164                         break;
 165                 case 3:
 166                         StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 167                         break;
 168                 }
 169         }
 170
 171         if (Msg->AllAttach == NULL)
 172                 Msg->AllAttach = NewHash(1,NULL);
 173         /* now we put the body mimepart we read above into the mimelist */
 174         Put(Msg->AllAttach, SKEY(Msg->MsgBody->PartNum), Msg->MsgBody, DestroyMime);
 175
 176         /* strip the bare contenttype, so we ommit charset etc. */
 177         StrBufExtract_token(Buf, Msg->MsgBody->ContentType, 0, ';');
 178         StrBufTrim(Buf);
 179         /* look up the renderer, that will convert this mimeitem into the htmlized form */
 180         if (GetHash(MimeRenderHandler, SKEY(Buf), &vHdr) &&
 181             (vHdr != NULL)) {
 182                 RenderMimeFunc Render;
 183                 Render = (RenderMimeFunc)vHdr;
 184                 Render(Msg->MsgBody, NULL, FoundCharset);
 185         }
 186
 187         if (StrLength(Msg->reply_references)> 0) {
 188                 /* Trim down excessively long lists of thread references.  We eliminate the
 189                  * second one in the list so that the thread root remains intact.
 190                  */
 191                 int rrtok = num_tokens(ChrPtr(Msg->reply_references), '|');
 192                 int rrlen = StrLength(Msg->reply_references);
 193                 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
 194                         StrBufRemove_token(Msg->reply_references, 1, '|');
 195                 }
 196         }
 197
 198         /* Generate a reply-to address */
 199         if (StrLength(Msg->Rfca) > 0) {
 200                 if (Msg->reply_to == NULL)
 201                         Msg->reply_to = NewStrBuf();
 202                 if (StrLength(Msg->from) > 0) {
 203                         StrBufPrintf(Msg->reply_to, "%s <%s>", ChrPtr(Msg->from), ChrPtr(Msg->Rfca));
 204                 }
 205                 else {
 206                         FlushStrBuf(Msg->reply_to);
 207                         StrBufAppendBuf(Msg->reply_to, Msg->Rfca, 0);
 208                 }
 209         }
 210         else
 211         {
 212                 if ((StrLength(Msg->OtherNode)>0) &&
 213                     (strcasecmp(ChrPtr(Msg->OtherNode), serv_info.serv_nodename)) &&
 214                     (strcasecmp(ChrPtr(Msg->OtherNode), serv_info.serv_humannode)) )
 215                 {
 216                         if (Msg->reply_to == NULL)
 217                                 Msg->reply_to = NewStrBuf();
 218                         StrBufPrintf(Msg->reply_to,
 219                                      "%s @ %s",
 220                                      ChrPtr(Msg->from),
 221                                      ChrPtr(Msg->OtherNode));
 222                 }
 223                 else {
 224                         if (Msg->reply_to == NULL)
 225                                 Msg->reply_to = NewStrBuf();
 226                         FlushStrBuf(Msg->reply_to);
 227                         StrBufAppendBuf(Msg->reply_to, Msg->from, 0);
 228                 }
 229         }
 230
 231         /* now check if we need to translate some mimeparts, and remove the duplicate */
 232         it = GetNewHashPos(Msg->AllAttach, 0);
 233         while (GetNextHashPos(Msg->AllAttach, it, &len, &Key, &vMime) &&
 234                (vMime != NULL)) {
 235                 wc_mime_attachment *Mime = (wc_mime_attachment*) vMime;
 236                 evaluate_mime_part(Msg, Mime);
 237         }
 238         DeleteHashPos(&it);
 239
 240         DoTemplate(tmpl, tmpllen, Target, Msg, CTX_MAILSUM);
 241
 242         DestroyMessageSummary(Msg);
 243         FreeStrBuf(&FoundCharset);
 244         FreeStrBuf(&HdrToken);
 245         FreeStrBuf(&Buf);
 246         return 1;
 247 }
 248
 249
 250
 251 /*
 252  * Unadorned HTML output of an individual message, suitable
 253  * for placing in a hidden iframe, for printing, or whatever
 254  *
 255  * msgnum_as_string == Message number, as a string instead of as a long int
 256  */
 257 void embed_message(void) {
 258         long msgnum = 0L;
 259         const StrBuf *Tmpl = sbstr("template");
 260
 261         msgnum = StrTol(WC->UrlFragment2);
 262         if (StrLength(Tmpl) > 0)
 263                 read_message(WC->WBuf, SKEY(Tmpl), msgnum, 0, NULL);
 264         else
 265                 read_message(WC->WBuf, HKEY("view_message"), msgnum, 0, NULL);
 266 }
 267
 268
 269 /*
 270  * Printable view of a message
 271  *
 272  * msgnum_as_string == Message number, as a string instead of as a long int
 273  */
 274 void print_message(void) {
 275         long msgnum = 0L;
 276
 277         msgnum = StrTol(WC->UrlFragment2);
 278         output_headers(0, 0, 0, 0, 0, 0);
 279
 280         hprintf("Content-type: text/html\r\n"
 281                 "Server: " PACKAGE_STRING "\r\n"
 282                 "Connection: close\r\n");
 283
 284         begin_burst();
 285
 286         read_message(WC->WBuf, HKEY("view_message_print"), msgnum, 1, NULL);
 287
 288         wDumpContent(0);
 289 }
 290
 291 /*
 292  * Mobile browser view of message
 293  *
 294  * @param msg_num_as_string Message number as a string instead of as a long int
 295  */
 296 void mobile_message_view(void) {
 297   long msgnum = 0L;
 298   msgnum = StrTol(WC->UrlFragment2);
 299   output_headers(1, 0, 0, 0, 0, 1);
 300   begin_burst();
 301   do_template("msgcontrols", NULL);
 302   read_message(WC->WBuf, HKEY("view_message"), msgnum,1, NULL);
 303   wDumpContent(0);
 304 }
 305
 306 /**
 307  * \brief Display a message's headers
 308  *
 309  * \param msgnum_as_string Message number, as a string instead of as a long int
 310  */
 311 void display_headers(void) {
 312         long msgnum = 0L;
 313         char buf[1024];
 314
 315         msgnum = StrTol(WC->UrlFragment2);
 316         output_headers(0, 0, 0, 0, 0, 0);
 317
 318         hprintf("Content-type: text/plain\r\n"
 319                 "Server: %s\r\n"
 320                 "Connection: close\r\n",
 321                 PACKAGE_STRING);
 322         begin_burst();
 323
 324         serv_printf("MSG2 %ld|3", msgnum);
 325         serv_getln(buf, sizeof buf);
 326         if (buf[0] == '1') {
 327                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 328                         wprintf("%s\n", buf);
 329                 }
 330         }
 331
 332         wDumpContent(0);
 333 }
 334
 335
 336 message_summary *ReadOneMessageSummary(StrBuf *RawMessage, const char *DefaultSubject, long MsgNum)
 337 {
 338         void                 *vEval;
 339         MsgPartEvaluatorFunc  Eval;
 340         message_summary      *Msg;
 341         StrBuf *Buf;
 342         const char *buf;
 343         const char *ebuf;
 344         int nBuf;
 345         long len;
 346
 347         Buf = NewStrBuf();
 348
 349         serv_printf("MSG0 %ld|1", MsgNum);      /* ask for headers only */
 350
 351         StrBuf_ServGetln(Buf);
 352         if (GetServerStatus(Buf, NULL) == 1) {
 353                 FreeStrBuf(&Buf);
 354                 return NULL;
 355         }
 356
 357         Msg = (message_summary*)malloc(sizeof(message_summary));
 358         memset(Msg, 0, sizeof(message_summary));
 359         while (len = StrBuf_ServGetln(Buf),
 360                ((len != 3)  ||
 361                 strcmp(ChrPtr(Buf), "000")== 0)){
 362                 buf = ChrPtr(Buf);
 363                 ebuf = strchr(ChrPtr(Buf), '=');
 364                 nBuf = ebuf - buf;
 365                 if (GetHash(MsgEvaluators, buf, nBuf, &vEval) && vEval != NULL) {
 366                         Eval = (MsgPartEvaluatorFunc) vEval;
 367                         StrBufCutLeft(Buf, nBuf + 1);
 368                         Eval(Msg, Buf);
 369                 }
 370                 else lprintf(1, "Don't know how to handle Message Headerline [%s]", ChrPtr(Buf));
 371         }
 372         return Msg;
 373 }
 374
 375
 376
 377
 378
 379 /*
 380  * load message pointers from the server for a "read messages" operation
 381  *
 382  * servcmd:             the citadel command to send to the citserver
 383  * with_headers:        also include some of the headers with the message numbers (more expensive)
 384  */
 385 int load_msg_ptrs(char *servcmd, int with_headers)
 386 {
 387         StrBuf* FoundCharset = NULL;
 388         wcsession *WCC = WC;
 389         message_summary *Msg;
 390         StrBuf *Buf, *Buf2;
 391         int nummsgs = 0;
 392         int maxload = 0;
 393         long len;
 394         int n;
 395         int skipit;
 396
 397         if (WCC->summ != NULL) {
 398                 if (WCC->summ != NULL)
 399                         DeleteHash(&WCC->summ);
 400         }
 401         WCC->summ = NewHash(1, Flathash);
 402         maxload = 10000;
 403
 404         Buf = NewStrBuf();
 405         serv_puts(servcmd);
 406         StrBuf_ServGetln(Buf);
 407         if (GetServerStatus(Buf, NULL) != 1) {
 408                 FreeStrBuf(&Buf);
 409                 return (nummsgs);
 410         }
 411 // TODO                         if (with_headers) { //// TODO: Have Attachments?
 412         Buf2 = NewStrBuf();
 413         while (len = StrBuf_ServGetln(Buf),
 414                ((len != 3)  ||
 415                 strcmp(ChrPtr(Buf), "000")!= 0))
 416         {
 417                 if (nummsgs < maxload) {
 418                         skipit = 0;
 419                         Msg = (message_summary*)malloc(sizeof(message_summary));
 420                         memset(Msg, 0, sizeof(message_summary));
 421
 422                         Msg->msgnum = StrBufExtract_long(Buf, 0, '|');
 423                         Msg->date = StrBufExtract_long(Buf, 1, '|');
 424                         /*
 425                          * as citserver probably gives us messages in forward date sorting
 426                          * nummsgs should be the same order as the message date.
 427                          */
 428                         if (Msg->date == 0) {
 429                                 Msg->date = nummsgs;
 430                                 if (StrLength(Buf) < 32)
 431                                         skipit = 1;
 432                         }
 433                         if (!skipit) {
 434                                 Msg->from = NewStrBufPlain(NULL, StrLength(Buf));
 435                                 StrBufExtract_token(Buf2, Buf, 2, '|');
 436                                 if (StrLength(Buf2) != 0) {
 437                                         /** Handle senders with RFC2047 encoding */
 438                                         StrBuf_RFC822_to_Utf8(Msg->from, Buf2, WCC->DefaultCharset, FoundCharset);
 439                                 }
 440
 441                                 /** Nodename */
 442                                 StrBufExtract_token(Buf2, Buf, 3, '|');
 443                                 if ((StrLength(Buf2) !=0 ) &&
 444                                     ( ((WCC->room_flags & QR_NETWORK)
 445                                        || ((strcasecmp(ChrPtr(Buf2), serv_info.serv_nodename)
 446                                             && (strcasecmp(ChrPtr(Buf2), serv_info.serv_fqdn)))))))
 447                                 {
 448                                         StrBufAppendBufPlain(Msg->from, HKEY(" @ "), 0);
 449                                         StrBufAppendBuf(Msg->from, Buf2, 0);
 450                                 }
 451
 452                                 /** Not used:
 453                                     StrBufExtract_token(Msg->inetaddr, Buf, 4, '|');
 454                                 */
 455
 456                                 Msg->subj = NewStrBufPlain(NULL, StrLength(Buf));
 457                                 StrBufExtract_token(Buf2,  Buf, 5, '|');
 458                                 if (StrLength(Buf2) == 0)
 459                                         StrBufAppendBufPlain(Msg->subj, _("(no subj)"), -1,0);
 460                                 else {
 461                                         StrBuf_RFC822_to_Utf8(Msg->subj, Buf2, WCC->DefaultCharset, FoundCharset);
 462                                         if ((StrLength(Msg->subj) > 75) &&
 463                                             (StrBuf_Utf8StrLen(Msg->subj) > 75)) {
 464                                                 StrBuf_Utf8StrCut(Msg->subj, 72);
 465                                                 StrBufAppendBufPlain(Msg->subj, HKEY("..."), 0);
 466                                         }
 467                                 }
 468
 469
 470                                 if ((StrLength(Msg->from) > 25) &&
 471                                     (StrBuf_Utf8StrLen(Msg->from) > 25)) {
 472                                         StrBuf_Utf8StrCut(Msg->from, 23);
 473                                         StrBufAppendBufPlain(Msg->from, HKEY("..."), 0);
 474                                 }
 475                         }
 476                         n = Msg->msgnum;
 477                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 478                 }
 479                 nummsgs++;
 480         }
 481         FreeStrBuf(&Buf2);
 482         FreeStrBuf(&Buf);
 483         return (nummsgs);
 484 }
 485
 486
 487 inline message_summary* GetMessagePtrAt(int n, HashList *Summ)
 488 {
 489         const char *Key;
 490         long HKLen;
 491         void *vMsg;
 492
 493         if (Summ == NULL)
 494                 return NULL;
 495         GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
 496         return (message_summary*) vMsg;
 497 }
 498
 499
 500 long DrawMessageDropdown(StrBuf *Selector, long maxmsgs, long startmsg, int nMessages)
 501 {
 502         StrBuf *TmpBuf;
 503         wcsession *WCC = WC;
 504         void *vMsg;
 505         int lo, hi;
 506         long ret;
 507         long hklen;
 508         const char *key;
 509         int done = 0;
 510         int nItems;
 511         HashPos *At;
 512         long vector[16];
 513
 514         TmpBuf = NewStrBuf();
 515         At = GetNewHashPos(WCC->summ, nMessages);
 516         nItems = GetCount(WCC->summ);
 517         ret = nMessages;
 518         vector[0] = 7;
 519         vector[2] = 1;
 520         vector[1] = startmsg;
 521         vector[3] = 0;
 522
 523         while (!done) {
 524                 vector[3] = abs(nMessages);
 525                 lo = GetHashPosCounter(At);
 526                 if (nMessages > 0) {
 527                         if (lo + nMessages >= nItems) {
 528                                 hi = nItems - 1;
 529                                 vector[3] = nItems - lo;
 530                                 if (startmsg == lo)
 531                                         ret = vector[3];
 532                         }
 533                         else {
 534                                 hi = lo + nMessages - 1;
 535                         }
 536                 } else {
 537                         if (lo + nMessages < -1) {
 538                                 hi = 0;
 539                         }
 540                         else {
 541                                 if ((lo % abs(nMessages)) != 0) {
 542                                         int offset = (lo % abs(nMessages) *
 543                                                       (nMessages / abs(nMessages)));
 544                                         hi = lo + offset;
 545                                         vector[3] = abs(offset);
 546                                         if (startmsg == lo)
 547                                                  ret = offset;
 548                                 }
 549                                 else
 550                                         hi = lo + nMessages;
 551                         }
 552                 }
 553                 done = !GetNextHashPos(WCC->summ, At, &hklen, &key, &vMsg);
 554
 555                 /**
 556                  * Bump these because although we're thinking in zero base, the user
 557                  * is a drooling idiot and is thinking in one base.
 558                  */
 559                 vector[4] = lo + 1;
 560                 vector[5] = hi + 1;
 561                 vector[6] = lo;
 562                 FlushStrBuf(TmpBuf);
 563                 dbg_print_longvector(vector);
 564                 DoTemplate(HKEY("select_messageindex"), TmpBuf, &vector, CTX_LONGVECTOR);
 565                 StrBufAppendBuf(Selector, TmpBuf, 0);
 566         }
 567         vector[6] = 0;
 568         FlushStrBuf(TmpBuf);
 569         vector[1] = lbstr("maxmsgs") == 9999999;
 570         vector[2] = 0;
 571         dbg_print_longvector(vector);
 572         DoTemplate(HKEY("select_messageindex_all"), TmpBuf, &vector, CTX_LONGVECTOR);
 573         StrBufAppendBuf(Selector, TmpBuf, 0);
 574         FreeStrBuf(&TmpBuf);
 575         DeleteHashPos(&At);
 576         return ret;
 577 }
 578
 579 void load_seen_flags(void)
 580 {
 581         message_summary *Msg;
 582         const char *HashKey;
 583         long HKLen;
 584         StrBuf *OldMsg = NewStrBuf();;
 585         wcsession *WCC = WC;
 586         HashPos *at;
 587         void *vMsg;
 588
 589         serv_puts("GTSN");
 590         StrBuf_ServGetln(OldMsg);
 591         if (ChrPtr(OldMsg)[0] == '2') {
 592                 StrBufCutLeft(OldMsg, 4);
 593         }
 594         else {
 595                 FreeStrBuf(&OldMsg);
 596                 return;
 597         }
 598         at = GetNewHashPos(WCC->summ, 0);
 599         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 600                 /** Are you a new message, or an old message? */
 601                 Msg = (message_summary*) vMsg;
 602                 if (is_msg_in_mset(ChrPtr(OldMsg), Msg->msgnum)) {
 603                         Msg->is_new = 0;
 604                 }
 605                 else {
 606                         Msg->is_new = 1;
 607                 }
 608         }
 609         FreeStrBuf(&OldMsg);
 610         DeleteHashPos(&at);
 611 }
 612
 613 extern readloop_struct rlid[];
 614
 615 /*
 616  * command loop for reading messages
 617  *
 618  * Set oper to "readnew" or "readold" or "readfwd" or "headers"
 619  */
 620 void readloop(long oper)
 621 {
 622         StrBuf *MessageDropdown = NULL;
 623         StrBuf *BBViewToolBar = NULL;
 624         void *vMsg;
 625         message_summary *Msg;
 626         char cmd[256] = "";
 627         char buf[SIZ];
 628         int a = 0;
 629         int with_headers = 0;
 630         int nummsgs;
 631         long startmsg = 0;
 632         int maxmsgs = 0;
 633         long *displayed_msgs = NULL;
 634         int num_displayed = 0;
 635         int is_singlecard = 0;
 636         struct calview calv;
 637         int i;
 638         int lowest_displayed = (-1);
 639         int highest_displayed = 0;
 640         addrbookent *addrbook = NULL;
 641         int num_ab = 0;
 642         int bbs_reverse = 0;
 643         wcsession *WCC = WC;
 644         HashPos *at;
 645         const char *HashKey;
 646         long HKLen;
 647         int care_for_empty_list = 0;
 648         int load_seen = 0;
 649         int sortit = 0;
 650         int defaultsortorder = 0;
 651
 652         if (havebstr("is_summary") && (1 == (ibstr("is_summary"))))
 653                 WCC->wc_view = VIEW_MAILBOX;
 654
 655         switch (WCC->wc_view) {
 656         case VIEW_WIKI:
 657                 sprintf(buf, "wiki?room=%s&page=home", WCC->wc_roomname);
 658                 http_redirect(buf);
 659                 return;
 660         case VIEW_CALBRIEF:
 661         case VIEW_CALENDAR:
 662                 load_seen = 1;
 663                 strcpy(cmd, "MSGS ALL|||1");
 664                 maxmsgs = 32767;
 665                 parse_calendar_view_request(&calv);
 666                 break;
 667         case VIEW_TASKS:
 668                 strcpy(cmd, "MSGS ALL");
 669                 maxmsgs = 32767;
 670                 break;
 671         case VIEW_NOTES:
 672                 strcpy(cmd, "MSGS ALL");
 673                 maxmsgs = 32767;
 674                 wprintf("<div id=\"new_notes_here\"></div>\n");
 675                 break;
 676         case VIEW_ADDRESSBOOK:
 677                 is_singlecard = ibstr("is_singlecard");
 678                 if (is_singlecard != 1) {
 679                         if (oper == do_search) {
 680                                 snprintf(cmd, sizeof(cmd), "MSGS SEARCH|%s", bstr("query"));
 681                         }
 682                         else {
 683                                 strcpy(cmd, "MSGS ALL");
 684                         }
 685                         maxmsgs = 9999999;
 686                         break;
 687                 }
 688                 break;
 689         case VIEW_MAILBOX:
 690                 defaultsortorder = 2;
 691                 sortit = 1;
 692                 load_seen = 1;
 693                 care_for_empty_list = 1;
 694                 with_headers = 1;
 695                 if (WCC->is_mobile) maxmsgs = 20;
 696                 else maxmsgs = 9999999;
 697                 snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 698                          (oper == do_search) ? "SEARCH" : "ALL",
 699                          (oper == do_search) ? bstr("query") : ""
 700                         );
 701                 break;
 702         case VIEW_BBS:
 703         default:
 704                 defaultsortorder = 1;
 705                 startmsg = -1;
 706                 sortit = 1;
 707                 care_for_empty_list = 1;
 708
 709                 rlid[oper].cmd(cmd, sizeof(cmd));
 710                 SetAccessCommand(oper);
 711
 712                 if (havebstr("maxmsgs"))
 713                         maxmsgs = ibstr("maxmsgs");
 714                 if (maxmsgs == 0) maxmsgs = DEFAULT_MAXMSGS;
 715
 716                 if (havebstr("startmsg")) {
 717                         startmsg = lbstr("startmsg");
 718                 }
 719
 720         }
 721         output_headers(1, 1, 1, 0, 0, 0);
 722
 723         nummsgs = load_msg_ptrs(cmd, with_headers);
 724         if (nummsgs == 0) {
 725                 if (care_for_empty_list) {
 726                         wprintf("<div align=\"center\"><br /><em>");
 727                         switch (oper) {
 728                         case readnew:
 729                                 wprintf(_("No new messages."));
 730                                 break;
 731                         case readold:
 732                                 wprintf(_("No old messages."));
 733                                 break;
 734                         default:
 735                                 wprintf(_("No messages here."));
 736                         }
 737                         wprintf("</em><br /></div>\n");
 738                 }
 739
 740                 goto DONE;
 741         }
 742
 743         if (sortit) {
 744                 CompareFunc SortIt;
 745                 SortIt =  RetrieveSort(CTX_MAILSUM, NULL,
 746                                        HKEY("date"), defaultsortorder);
 747                 if (SortIt != NULL)
 748                         SortByPayload(WCC->summ, SortIt);
 749                 if (WCC->wc_view == VIEW_BBS) {
 750                         if (lbstr("SortOrder") == 2) {
 751                                 bbs_reverse = 1;
 752                                 num_displayed = -DEFAULT_MAXMSGS;
 753                         }
 754                         else {
 755                                 bbs_reverse = 0;
 756                                 num_displayed = DEFAULT_MAXMSGS;
 757                         }
 758                 }
 759         }
 760         if (startmsg < 0) startmsg = (bbs_reverse) ? nummsgs - 1 : 0;
 761
 762         if (load_seen) load_seen_flags();
 763
 764         /**
 765          * If we're to print s.th. above the message list...
 766          */
 767         switch (WCC->wc_view) {
 768         case VIEW_MAILBOX:
 769                 do_template("summary_header", NULL);
 770                 break;
 771         case VIEW_BBS:
 772                 BBViewToolBar = NewStrBuf();
 773                 MessageDropdown = NewStrBuf();
 774
 775                 maxmsgs = DrawMessageDropdown(MessageDropdown, maxmsgs, startmsg, num_displayed);
 776                 if (num_displayed < 0) {
 777                         startmsg += maxmsgs;
 778                         if (num_displayed != maxmsgs)
 779                                 maxmsgs = abs(maxmsgs) + 1;
 780                         else
 781                                 maxmsgs = abs(maxmsgs);
 782
 783                 }
 784                 DoTemplate(HKEY("msg_listselector_top"), BBViewToolBar, MessageDropdown, CTX_STRBUF);
 785                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 786                 FlushStrBuf(BBViewToolBar);
 787                 break;
 788         }
 789
 790         /*
 791          * iterate over each message. if we need to load an attachment, do it here.
 792          */
 793         at = GetNewHashPos(WCC->summ, 0);
 794         num_displayed = i = 0;
 795         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 796                 Msg = (message_summary*) vMsg;
 797                 if ((Msg->msgnum >= startmsg) && (num_displayed <= maxmsgs)) {
 798                         switch (WCC->wc_view) {
 799                         case VIEW_WIKI:
 800                                 break;
 801                         case VIEW_CALBRIEF: /* load the mime attachments for special tasks... */
 802                         case VIEW_CALENDAR:
 803                                 load_calendar_item(Msg, Msg->is_new, &calv);
 804                                 break;
 805                         case VIEW_TASKS:
 806                                 display_task(Msg, Msg->is_new);
 807                                 break;
 808                         case VIEW_NOTES:
 809                                 display_note(Msg, Msg->is_new);
 810                                 break;
 811                         case VIEW_ADDRESSBOOK:
 812                                 fetch_ab_name(Msg, buf);
 813                                 ++num_ab;
 814                                 addrbook = realloc(addrbook,
 815                                                    (sizeof(addrbookent) * num_ab) );
 816                                 safestrncpy(addrbook[num_ab-1].ab_name, buf,
 817                                             sizeof(addrbook[num_ab-1].ab_name));
 818                                 addrbook[num_ab-1].ab_msgnum = Msg->msgnum;
 819                                 break;
 820                         case VIEW_MAILBOX: /* here we just need the abstract, so render it now. */
 821                                 DoTemplate(HKEY("section_mailsummary"), NULL, Msg, CTX_MAILSUM);
 822
 823                                 num_displayed++;
 824                                 break;
 825                         case VIEW_BBS: /* Tag the mails we want to show in bbview... */
 826                         default:
 827                                 if (displayed_msgs == NULL) {
 828                                         displayed_msgs = malloc(sizeof(long) *
 829                                                                 (maxmsgs<nummsgs ? maxmsgs + 1 : nummsgs + 1));
 830                                 }
 831                                 if ((i >= startmsg) && (i < startmsg + maxmsgs)) {
 832                                         displayed_msgs[num_displayed] = Msg->msgnum;
 833                                         if (lowest_displayed < 0) lowest_displayed = a;
 834                                         highest_displayed = a;
 835
 836                                         num_displayed++;
 837                                 }
 838                         }
 839                 }
 840                 i++;
 841         }
 842         DeleteHashPos(&at);
 843
 844
 845         /*
 846          * Done iterating the message list. now tasks we want to do after.
 847          */
 848         switch (WCC->wc_view) {
 849         case VIEW_MAILBOX:
 850                 do_template("summary_trailer", NULL);
 851                 break;
 852         case VIEW_BBS:
 853                 if (displayed_msgs != NULL) {
 854                         /** if we do a split bbview in the future, begin messages div here */
 855
 856                         for (a=0; a<num_displayed; ++a) {
 857                                 read_message(WCC->WBuf, HKEY("view_message"), displayed_msgs[a], 0, NULL);
 858                         }
 859
 860                         /** if we do a split bbview in the future, end messages div here */
 861
 862                         free(displayed_msgs);
 863                         displayed_msgs = NULL;
 864                 }
 865                 DoTemplate(HKEY("msg_listselector_bottom"), BBViewToolBar, MessageDropdown, CTX_STRBUF);
 866                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 867
 868                 FreeStrBuf(&BBViewToolBar);
 869                 FreeStrBuf(&MessageDropdown);
 870         }
 871
 872
 873 DONE:
 874         switch (WCC->wc_view) {
 875         case VIEW_WIKI:
 876                 break;
 877         case VIEW_CALBRIEF:
 878         case VIEW_CALENDAR:
 879                 render_calendar_view(&calv);
 880                 break;
 881         case VIEW_TASKS:
 882                 do_tasks_view();        /** Render the task list */
 883                 break;
 884         case VIEW_NOTES:
 885                 break;
 886         case VIEW_ADDRESSBOOK:
 887                 do_addrbook_view(addrbook, num_ab);     /** Render the address book */
 888                 break;
 889         case VIEW_MAILBOX:
 890         case VIEW_BBS:
 891         default:
 892                 break;
 893         }
 894         /** Note: wDumpContent() will output one additional </div> tag. */
 895         wprintf("</div>\n");            /** end of 'content' div */
 896         wDumpContent(1);
 897
 898         /** free the summary */
 899         if (WCC->summ != NULL) {
 900                 DeleteHash(&WCC->summ);
 901         }
 902         if (addrbook != NULL) free(addrbook);
 903         FreeStrBuf(&BBViewToolBar);
 904 }
 905
 906
 907 /*
 908  * Back end for post_message()
 909  * ... this is where the actual message gets transmitted to the server.
 910  */
 911 void post_mime_to_server(void) {
 912         wcsession *WCC = WC;
 913         char top_boundary[SIZ];
 914         char alt_boundary[SIZ];
 915         int is_multipart = 0;
 916         static int seq = 0;
 917         wc_mime_attachment *att;
 918         char *encoded;
 919         size_t encoded_length;
 920         size_t encoded_strlen;
 921         char *txtmail = NULL;
 922
 923         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
 924                 serv_info.serv_fqdn,
 925                 getpid(),
 926                 ++seq
 927         );
 928         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
 929                 serv_info.serv_fqdn,
 930                 getpid(),
 931                 ++seq
 932         );
 933
 934         /* RFC2045 requires this, and some clients look for it... */
 935         serv_puts("MIME-Version: 1.0");
 936         serv_puts("X-Mailer: " PACKAGE_STRING);
 937
 938         /* If there are attachments, we have to do multipart/mixed */
 939         if (GetCount(WCC->attachments) > 0) {
 940                 is_multipart = 1;
 941         }
 942
 943         if (is_multipart) {
 944                 /* Remember, serv_printf() appends an extra newline */
 945                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
 946                 serv_printf("This is a multipart message in MIME format.\n");
 947                 serv_printf("--%s", top_boundary);
 948         }
 949
 950         /* Remember, serv_printf() appends an extra newline */
 951         serv_printf("Content-type: multipart/alternative; "
 952                 "boundary=\"%s\"\n", alt_boundary);
 953         serv_printf("This is a multipart message in MIME format.\n");
 954         serv_printf("--%s", alt_boundary);
 955
 956         serv_puts("Content-type: text/plain; charset=utf-8");
 957         serv_puts("Content-Transfer-Encoding: quoted-printable");
 958         serv_puts("");
 959         txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
 960         text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
 961         free(txtmail);
 962
 963         serv_printf("--%s", alt_boundary);
 964
 965         serv_puts("Content-type: text/html; charset=utf-8");
 966         serv_puts("Content-Transfer-Encoding: quoted-printable");
 967         serv_puts("");
 968         serv_puts("<html><body>\r\n");
 969         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
 970         serv_puts("</body></html>\r\n");
 971
 972         serv_printf("--%s--", alt_boundary);
 973
 974         if (is_multipart) {
 975                 long len;
 976                 const char *Key;
 977                 void *vAtt;
 978                 HashPos  *it;
 979
 980                 /* Add in the attachments */
 981                 it = GetNewHashPos(WCC->attachments, 0);
 982                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
 983                         att = (wc_mime_attachment *)vAtt;
 984                         encoded_length = ((att->length * 150) / 100);
 985                         encoded = malloc(encoded_length);
 986                         if (encoded == NULL) break;
 987                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
 988
 989                         serv_printf("--%s", top_boundary);
 990                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
 991                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
 992                         serv_puts("Content-transfer-encoding: base64");
 993                         serv_puts("");
 994                         serv_write(encoded, encoded_strlen);
 995                         serv_puts("");
 996                         serv_puts("");
 997                         free(encoded);
 998                 }
 999                 serv_printf("--%s--", top_boundary);
1000                 DeleteHashPos(&it);
1001         }
1002
1003         serv_puts("000");
1004 }
1005
1006
1007 /*
1008  * Post message (or don't post message)
1009  *
1010  * Note regarding the "dont_post" variable:
1011  * A random value (actually, it's just a timestamp) is inserted as a hidden
1012  * field called "postseq" when the display_enter page is generated.  This
1013  * value is checked when posting, using the static variable dont_post.  If a
1014  * user attempts to post twice using the same dont_post value, the message is
1015  * discarded.  This prevents the accidental double-saving of the same message
1016  * if the user happens to click the browser "back" button.
1017  */
1018 void post_message(void)
1019 {
1020         char buf[1024];
1021         StrBuf *encoded_subject = NULL;
1022         static long dont_post = (-1L);
1023         wc_mime_attachment  *att;
1024         int is_anonymous = 0;
1025         const StrBuf *display_name = NULL;
1026         wcsession *WCC = WC;
1027
1028         if (havebstr("force_room")) {
1029                 gotoroom(bstr("force_room"));
1030         }
1031
1032         if (havebstr("display_name")) {
1033                 display_name = sbstr("display_name");
1034                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1035                         display_name = NULL;
1036                         is_anonymous = 1;
1037                 }
1038         }
1039
1040         if (WCC->upload_length > 0) {
1041                 const char *pch;
1042                 int n;
1043                 char N[64];
1044
1045                 lprintf(9, "%s:%d: we are uploading %d bytes\n", __FILE__, __LINE__, WCC->upload_length);
1046                 /** There's an attachment.  Save it to this struct... */
1047                 att = malloc(sizeof(wc_mime_attachment));
1048                 memset(att, 0, sizeof(wc_mime_attachment ));
1049                 att->length = WCC->upload_length;
1050                 att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1051                 att->FileName = NewStrBufPlain(WCC->upload_filename, -1);
1052
1053
1054                 if (WCC->attachments == NULL)
1055                         WCC->attachments = NewHash(1, NULL);
1056                 /* And add it to the list. */
1057                 n = snprintf(N, sizeof N, "%d", GetCount(WCC->attachments) + 1);
1058                 Put(WCC->attachments, N, n, att, DestroyMime);
1059
1060                 /**
1061                  * Mozilla sends a simple filename, which is what we want,
1062                  * but Satan's Browser sends an entire pathname.  Reduce
1063                  * the path to just a filename if we need to.
1064                  */
1065                 pch = strrchr(ChrPtr(att->FileName), '/');
1066                 if (pch != NULL) {
1067                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1068                 }
1069                 pch = strrchr(ChrPtr(att->FileName), '\\');
1070                 if (pch != NULL) {
1071                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1072                 }
1073
1074                 /**
1075                  * Transfer control of this memory from the upload struct
1076                  * to the attachment struct.
1077                  */
1078                 att->Data = NewStrBufPlain(WCC->upload, WCC->upload_length);
1079                 free(WCC->upload);
1080                 WCC->upload_length = 0;
1081                 WCC->upload = NULL;
1082                 display_enter();
1083                 return;
1084         }
1085
1086         if (havebstr("cancel_button")) {
1087                 sprintf(WCC->ImportantMessage,
1088                         _("Cancelled.  Message was not posted."));
1089         } else if (havebstr("attach_button")) {
1090                 display_enter();
1091                 return;
1092         } else if (lbstr("postseq") == dont_post) {
1093                 sprintf(WCC->ImportantMessage,
1094                         _("Automatically cancelled because you have already "
1095                         "saved this message."));
1096         } else {
1097                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1098                 const StrBuf *Recp = NULL;
1099                 const StrBuf *Cc = NULL;
1100                 const StrBuf *Bcc = NULL;
1101                 const StrBuf *Wikipage = NULL;
1102                 const StrBuf *my_email_addr = NULL;
1103                 StrBuf *CmdBuf = NULL;;
1104                 StrBuf *references = NULL;
1105
1106                 if (havebstr("references"))
1107                 {
1108                         const StrBuf *ref = sbstr("references");
1109                         references = NewStrBufPlain(ChrPtr(ref), StrLength(ref));
1110                         lprintf(9, "Converting: %s\n", ChrPtr(references));
1111                         StrBufReplaceChars(references, '|', '!');
1112                         lprintf(9, "Converted: %s\n", ChrPtr(references));
1113                 }
1114                 if (havebstr("subject")) {
1115                         const StrBuf *Subj;
1116                         /*
1117                          * make enough room for the encoded string;
1118                          * plus the QP header
1119                          */
1120                         Subj = sbstr("subject");
1121
1122                         StrBufRFC2047encode(&encoded_subject, Subj);
1123                 }
1124                 Recp = sbstr("recp");
1125                 Cc = sbstr("cc");
1126                 Bcc = sbstr("bcc");
1127                 Wikipage = sbstr("wikipage");
1128                 my_email_addr = sbstr("my_email_addr");
1129
1130                 CmdBuf = NewStrBufPlain(NULL,
1131                                         sizeof (CMD) +
1132                                         StrLength(Recp) +
1133                                         StrLength(encoded_subject) +
1134                                         StrLength(Cc) +
1135                                         StrLength(Bcc) +
1136                                         StrLength(Wikipage) +
1137                                         StrLength(my_email_addr) +
1138                                         StrLength(references));
1139
1140                 StrBufPrintf(CmdBuf,
1141                              CMD,
1142                              ChrPtr(Recp),
1143                              is_anonymous,
1144                              ChrPtr(encoded_subject),
1145                              ChrPtr(display_name),
1146                              ChrPtr(Cc),
1147                              ChrPtr(Bcc),
1148                              ChrPtr(Wikipage),
1149                              ChrPtr(my_email_addr),
1150                              ChrPtr(references));
1151                 FreeStrBuf(&references);
1152
1153                 lprintf(9, "%s\n", ChrPtr(CmdBuf));
1154                 serv_puts(ChrPtr(CmdBuf));
1155                 serv_getln(buf, sizeof buf);
1156                 FreeStrBuf(&CmdBuf);
1157                 FreeStrBuf(&encoded_subject);
1158                 if (buf[0] == '4') {
1159                         post_mime_to_server();
1160                         if (  (havebstr("recp"))
1161                            || (havebstr("cc"  ))
1162                            || (havebstr("bcc" ))
1163                         ) {
1164                                 sprintf(WCC->ImportantMessage, _("Message has been sent.\n"));
1165                         }
1166                         else {
1167                                 sprintf(WC->ImportantMessage, _("Message has been posted.\n"));
1168                         }
1169                         dont_post = lbstr("postseq");
1170                 } else {
1171                         lprintf(9, "%s:%d: server post error: %s\n", __FILE__, __LINE__, buf);
1172                         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1173                         display_enter();
1174                         return;
1175                 }
1176         }
1177
1178         DeleteHash(&WCC->attachments);
1179
1180         /**
1181          *  We may have been supplied with instructions regarding the location
1182          *  to which we must return after posting.  If found, go there.
1183          */
1184         if (havebstr("return_to")) {
1185                 http_redirect(bstr("return_to"));
1186         }
1187         /**
1188          *  If we were editing a page in a wiki room, go to that page now.
1189          */
1190         else if (havebstr("wikipage")) {
1191                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
1192                 http_redirect(buf);
1193         }
1194         /**
1195          *  Otherwise, just go to the "read messages" loop.
1196          */
1197         else {
1198                 readloop(readnew);
1199         }
1200 }
1201
1202
1203
1204
1205 /**
1206  * \brief display the message entry screen
1207  */
1208 void display_enter(void)
1209 {
1210         char buf[SIZ];
1211         long now;
1212         const StrBuf *display_name = NULL;
1213         int recipient_required = 0;
1214         int subject_required = 0;
1215         int recipient_bad = 0;
1216         int is_anonymous = 0;
1217         wcsession *WCC = WC;
1218
1219         now = time(NULL);
1220
1221         if (havebstr("force_room")) {
1222                 gotoroom(bstr("force_room"));
1223         }
1224
1225         display_name = sbstr("display_name");
1226         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1227                 display_name = NULL;
1228                 is_anonymous = 1;
1229         }
1230
1231         /** First test to see whether this is a room that requires recipients to be entered */
1232         serv_puts("ENT0 0");
1233         serv_getln(buf, sizeof buf);
1234
1235         if (!strncmp(buf, "570", 3)) {          /** 570 means that we need a recipient here */
1236                 recipient_required = 1;
1237         }
1238         else if (buf[0] != '2') {               /** Any other error means that we cannot continue */
1239                 sprintf(WCC->ImportantMessage, "%s", &buf[4]);
1240                 readloop(readnew);
1241                 return;
1242         }
1243
1244         /* Is the server strongly recommending that the user enter a message subject? */
1245         if ((buf[3] != '\0') && (buf[4] != '\0')) {
1246                 subject_required = extract_int(&buf[4], 1);
1247         }
1248
1249         /**
1250          * Are we perhaps in an address book view?  If so, then an "enter
1251          * message" command really means "add new entry."
1252          */
1253         if (WCC->wc_default_view == VIEW_ADDRESSBOOK) {
1254                 do_edit_vcard(-1, "", "", WCC->wc_roomname);
1255                 return;
1256         }
1257
1258         /*
1259          * Are we perhaps in a calendar room?  If so, then an "enter
1260          * message" command really means "add new calendar item."
1261          */
1262         if (WCC->wc_default_view == VIEW_CALENDAR) {
1263                 display_edit_event();
1264                 return;
1265         }
1266
1267         /*
1268          * Are we perhaps in a tasks view?  If so, then an "enter
1269          * message" command really means "add new task."
1270          */
1271         if (WCC->wc_default_view == VIEW_TASKS) {
1272                 display_edit_task();
1273                 return;
1274         }
1275
1276         /*
1277          * Otherwise proceed normally.
1278          * Do a custom room banner with no navbar...
1279          */
1280
1281         if (recipient_required) {
1282                 const StrBuf *Recp = NULL;
1283                 const StrBuf *Cc = NULL;
1284                 const StrBuf *Bcc = NULL;
1285                 const StrBuf *Wikipage = NULL;
1286                 StrBuf *CmdBuf = NULL;;
1287                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1288
1289                 Recp = sbstr("recp");
1290                 Cc = sbstr("cc");
1291                 Bcc = sbstr("bcc");
1292                 Wikipage = sbstr("wikipage");
1293
1294                 CmdBuf = NewStrBufPlain(NULL,
1295                                         sizeof (CMD) +
1296                                         StrLength(Recp) +
1297                                         StrLength(display_name) +
1298                                         StrLength(Cc) +
1299                                         StrLength(Bcc) +
1300                                         StrLength(Wikipage));
1301
1302                 StrBufPrintf(CmdBuf,
1303                              CMD,
1304                              ChrPtr(Recp),
1305                              is_anonymous,
1306                              ChrPtr(display_name),
1307                              ChrPtr(Cc),
1308                              ChrPtr(Bcc),
1309                              ChrPtr(Wikipage));
1310                 serv_puts(ChrPtr(CmdBuf));
1311                 serv_getln(buf, sizeof buf);
1312                 FreeStrBuf(&CmdBuf);
1313
1314                 if (!strncmp(buf, "570", 3)) {  /** 570 means we have an invalid recipient listed */
1315                         if (havebstr("recp") &&
1316                             havebstr("cc"  ) &&
1317                             havebstr("bcc" )) {
1318                                 recipient_bad = 1;
1319                         }
1320                 }
1321                 else if (buf[0] != '2') {       /** Any other error means that we cannot continue */
1322                         wprintf("<em>%s</em><br />\n", &buf[4]);/// -> important message
1323                         return;
1324                 }
1325         }
1326         svputlong("RCPTREQUIRED", recipient_required);
1327         svputlong("SUBJREQUIRED", recipient_required || subject_required);
1328
1329         begin_burst();
1330         output_headers(1, 0, 0, 0, 1, 0);
1331         DoTemplate(HKEY("edit_message"), NULL, NULL, CTX_NONE);
1332         end_burst();
1333
1334         return;
1335 }
1336
1337 /**
1338  * \brief delete a message
1339  */
1340 void delete_msg(void)
1341 {
1342         long msgid;
1343         char buf[SIZ];
1344
1345         msgid = lbstr("msgid");
1346
1347         if (WC->wc_is_trash) {  /** Delete from Trash is a real delete */
1348                 serv_printf("DELE %ld", msgid);
1349         }
1350         else {                  /** Otherwise move it to Trash */
1351                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1352         }
1353
1354         serv_getln(buf, sizeof buf);
1355         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1356
1357         readloop(readnew);
1358 }
1359
1360
1361 /**
1362  * \brief move a message to another folder
1363  */
1364 void move_msg(void)
1365 {
1366         long msgid;
1367         char buf[SIZ];
1368
1369         msgid = lbstr("msgid");
1370
1371         if (havebstr("move_button")) {
1372                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1373                 serv_puts(buf);
1374                 serv_getln(buf, sizeof buf);
1375                 sprintf(WC->ImportantMessage, "%s", &buf[4]);
1376         } else {
1377                 sprintf(WC->ImportantMessage, (_("The message was not moved.")));
1378         }
1379
1380         readloop(readnew);
1381 }
1382
1383
1384
1385
1386
1387 /*
1388  * Confirm move of a message
1389  */
1390 void confirm_move_msg(void)
1391 {
1392         long msgid;
1393         char buf[SIZ];
1394         char targ[SIZ];
1395
1396         msgid = lbstr("msgid");
1397
1398
1399         output_headers(1, 1, 2, 0, 0, 0);
1400         wprintf("<div id=\"banner\">\n");
1401         wprintf("<h1>");
1402         wprintf(_("Confirm move of message"));
1403         wprintf("</h1>");
1404         wprintf("</div>\n");
1405
1406         wprintf("<div id=\"content\" class=\"service\">\n");
1407
1408         wprintf("<CENTER>");
1409
1410         wprintf(_("Move this message to:"));
1411         wprintf("<br />\n");
1412
1413         wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
1414         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
1415         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
1416
1417         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1418         serv_puts("LKRA");
1419         serv_getln(buf, sizeof buf);
1420         if (buf[0] == '1') {
1421                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1422                         extract_token(targ, buf, 0, '|', sizeof targ);
1423                         wprintf("<OPTION>");
1424                         escputs(targ);
1425                         wprintf("\n");
1426                 }
1427         }
1428         wprintf("</SELECT>\n");
1429         wprintf("<br />\n");
1430
1431         wprintf("<INPUT TYPE=\"submit\" NAME=\"move_button\" VALUE=\"%s\">", _("Move"));
1432         wprintf("&nbsp;");
1433         wprintf("<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">", _("Cancel"));
1434         wprintf("</form></CENTER>\n");
1435
1436         wprintf("</CENTER>\n");
1437         wDumpContent(1);
1438 }
1439
1440
1441 /*
1442  * Generic function to output an arbitrary MIME attachment from
1443  * message being composed
1444  *
1445  * partnum              The MIME part to be output
1446  * filename             Fake filename to give
1447  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1448  */
1449 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1450 {
1451         void *vPart;
1452         StrBuf *content_type;
1453         wc_mime_attachment *part;
1454
1455         if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
1456             (vPart != NULL)) {
1457                 part = (wc_mime_attachment*) vPart;
1458                 if (force_download) {
1459                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1460                 }
1461                 else {
1462                         content_type = NewStrBufDup(part->ContentType);
1463                 }
1464                 output_headers(0, 0, 0, 0, 0, 0);
1465                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1466                 http_transmit_thing(ChrPtr(content_type), 0);
1467         } else {
1468                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1469                 output_headers(0, 0, 0, 0, 0, 0);
1470                 hprintf("Content-Type: text/plain\r\n");
1471                 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
1472                         ChrPtr(partnum), ChrPtr(filename));
1473                 end_burst();
1474         }
1475         FreeStrBuf(&content_type);
1476 }
1477
1478
1479 /*
1480  * Generic function to output an arbitrary MIME part from an arbitrary
1481  * message number on the server.
1482  *
1483  * msgnum               Number of the item on the citadel server
1484  * partnum              The MIME part to be output
1485  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1486  */
1487 void mimepart(const char *msgnum, const char *partnum, int force_download)
1488 {
1489         char buf[256];
1490         off_t bytes;
1491         char content_type[256];
1492
1493         serv_printf("OPNA %s|%s", msgnum, partnum);
1494         serv_getln(buf, sizeof buf);
1495         if (buf[0] == '2') {
1496                 bytes = extract_long(&buf[4], 0);
1497                 if (force_download) {
1498                         strcpy(content_type, "application/octet-stream");
1499                 }
1500                 else {
1501                         extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1502                 }
1503                 output_headers(0, 0, 0, 0, 0, 0);
1504
1505                 read_server_binary(WC->WBuf, bytes);
1506                 serv_puts("CLOS");
1507                 serv_getln(buf, sizeof buf);
1508                 http_transmit_thing(content_type, 0);
1509         } else {
1510                 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1511                 output_headers(0, 0, 0, 0, 0, 0);
1512                 hprintf("Content-Type: text/plain\r\n");
1513                 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
1514                 end_burst();
1515         }
1516 }
1517
1518
1519 /*
1520  * Read any MIME part of a message, from the server, into memory.
1521  */
1522 char *load_mimepart(long msgnum, char *partnum)
1523 {
1524         char buf[SIZ];
1525         off_t bytes;
1526         char content_type[SIZ];
1527         char *content;
1528
1529         serv_printf("DLAT %ld|%s", msgnum, partnum);
1530         serv_getln(buf, sizeof buf);
1531         if (buf[0] == '6') {
1532                 bytes = extract_long(&buf[4], 0);
1533                 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1534
1535                 content = malloc(bytes + 2);
1536                 serv_read(content, bytes);
1537
1538                 content[bytes] = 0;     /* null terminate for good measure */
1539                 return(content);
1540         }
1541         else {
1542                 return(NULL);
1543         }
1544 }
1545
1546 /*
1547  * Read any MIME part of a message, from the server, into memory.
1548  */
1549 void MimeLoadData(wc_mime_attachment *Mime)
1550 {
1551         char buf[SIZ];
1552         off_t bytes;
1553 //// TODO: is there a chance the contenttype is different  to the one we know?
1554         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1555         serv_getln(buf, sizeof buf);
1556         if (buf[0] == '6') {
1557                 bytes = extract_long(&buf[4], 0);
1558
1559                 if (Mime->Data == NULL)
1560                         Mime->Data = NewStrBufPlain(NULL, bytes);
1561                 StrBuf_ServGetBLOB(Mime->Data, bytes);
1562
1563         }
1564         else {
1565                 FlushStrBuf(Mime->Data);
1566                 /// TODO XImportant message
1567         }
1568 }
1569
1570
1571
1572
1573 void view_mimepart(void) {
1574         mimepart(ChrPtr(WC->UrlFragment2),
1575                  ChrPtr(WC->UrlFragment3),
1576                  0);
1577 }
1578
1579 void download_mimepart(void) {
1580         mimepart(ChrPtr(WC->UrlFragment2),
1581                  ChrPtr(WC->UrlFragment3),
1582                  1);
1583 }
1584
1585 void view_postpart(void) {
1586         postpart(WC->UrlFragment2,
1587                  WC->UrlFragment3,
1588                  0);
1589 }
1590
1591 void download_postpart(void) {
1592         postpart(WC->UrlFragment2,
1593                  WC->UrlFragment3,
1594                  1);
1595 }
1596
1597 void h_readnew(void) { readloop(readnew);}
1598 void h_readold(void) { readloop(readold);}
1599 void h_readfwd(void) { readloop(readfwd);}
1600 void h_headers(void) { readloop(headers);}
1601 void h_do_search(void) { readloop(do_search);}
1602
1603 void
1604 InitModule_MSG
1605 (void)
1606 {
1607         WebcitAddUrlHandler(HKEY("readnew"), h_readnew, NEED_URL);
1608         WebcitAddUrlHandler(HKEY("readold"), h_readold, NEED_URL);
1609         WebcitAddUrlHandler(HKEY("readfwd"), h_readfwd, NEED_URL);
1610         WebcitAddUrlHandler(HKEY("headers"), h_headers, NEED_URL);
1611         WebcitAddUrlHandler(HKEY("do_search"), h_do_search, 0);
1612         WebcitAddUrlHandler(HKEY("display_enter"), display_enter, 0);
1613         WebcitAddUrlHandler(HKEY("post"), post_message, 0);
1614         WebcitAddUrlHandler(HKEY("move_msg"), move_msg, 0);
1615         WebcitAddUrlHandler(HKEY("delete_msg"), delete_msg, 0);
1616         WebcitAddUrlHandler(HKEY("confirm_move_msg"), confirm_move_msg, 0);
1617         WebcitAddUrlHandler(HKEY("msg"), embed_message, NEED_URL|AJAX);
1618         WebcitAddUrlHandler(HKEY("printmsg"), print_message, NEED_URL);
1619         WebcitAddUrlHandler(HKEY("mobilemsg"), mobile_message_view, NEED_URL);
1620         WebcitAddUrlHandler(HKEY("msgheaders"), display_headers, NEED_URL);
1621
1622         WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1623         WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1624         WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1625         WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1626
1627         return ;
1628 }