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 int load_message(message_summary *Msg,
  39                  StrBuf *FoundCharset,
  40                  StrBuf **Error)
  41 {
  42         wcsession *WCC = WC;
  43         StrBuf *Buf;
  44         StrBuf *HdrToken;
  45         headereval *Hdr;
  46         void *vHdr;
  47         char buf[SIZ];
  48         int Done = 0;
  49         int state=0;
  50
  51         Buf = NewStrBuf();
  52         lprintf(1, "-------------------MSG4 %ld|%s--------------\n", Msg->msgnum, ChrPtr(Msg->PartNum));
  53         if (Msg->PartNum != NULL)
  54                 serv_printf("MSG4 %ld|%s", Msg->msgnum, ChrPtr(Msg->PartNum));
  55         else
  56                 serv_printf("MSG4 %ld", Msg->msgnum);
  57
  58         StrBuf_ServGetln(Buf);
  59         if (GetServerStatus(Buf, NULL) != 1) {
  60                 *Error = NewStrBuf();
  61                 StrBufAppendPrintf(*Error, "<strong>");
  62                 StrBufAppendPrintf(*Error, _("ERROR:"));
  63                 StrBufAppendPrintf(*Error, "</strong> %s<br />\n", &buf[4]);
  64                 FreeStrBuf(&Buf);
  65                 return 0;
  66         }
  67
  68         /** begin everythingamundo table */
  69         HdrToken = NewStrBuf();
  70         while ((StrBuf_ServGetln(Buf)>=0) && !Done) {
  71                 if ( (StrLength(Buf)==3) &&
  72                     !strcmp(ChrPtr(Buf), "000"))
  73                 {
  74                         Done = 1;
  75                         if (state < 2) {
  76                                 lprintf(1, _("unexpected end of message"));
  77                                 if (Msg->MsgBody->Data == NULL)
  78                                         Msg->MsgBody->Data = NewStrBuf();
  79                                 Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/html"));
  80                                 StrBufAppendPrintf(Msg->MsgBody->Data, "<div><i>");
  81                                 StrBufAppendPrintf(Msg->MsgBody->Data, _("unexpected end of message"));
  82                                 StrBufAppendPrintf(Msg->MsgBody->Data, " (1)</i><br /><br />\n");
  83                                 StrBufAppendPrintf(Msg->MsgBody->Data, "</div>\n");
  84                         }
  85                         break;
  86                 }
  87                 switch (state) {
  88                 case 0:/* Citadel Message Headers */
  89                         if (StrLength(Buf) == 0) {
  90                                 state ++;
  91                                 break;
  92                         }
  93                         StrBufExtract_token(HdrToken, Buf, 0, '=');
  94                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
  95
  96 #ifdef TECH_PREVIEW
  97                         if (dbg_analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
  98 #endif
  99                         /* look up one of the examine_* functions to parse the content */
 100                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 101                             (vHdr != NULL)) {
 102                                 Hdr = (headereval*)vHdr;
 103                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 104                                 if (Hdr->Type == 1) {
 105                                         state++;
 106                                 }
 107                         }/* TODO:
 108                         else LogError(Target,
 109                                       __FUNCTION__,
 110                                       "don't know how to handle message header[%s]\n",
 111                                       ChrPtr(HdrToken));
 112                          */
 113                         break;
 114                 case 1:/* Message Mime Header */
 115                         if (StrLength(Buf) == 0) {
 116                                 state++;
 117                                 if (Msg->MsgBody->ContentType == NULL)
 118                                         /* end of header or no header? */
 119                                         Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/plain"));
 120                                  /* usual end of mime header */
 121                         }
 122                         else
 123                         {
 124                                 StrBufExtract_token(HdrToken, Buf, 0, ':');
 125                                 if (StrLength(HdrToken) > 0) {
 126                                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 127 #ifdef TECH_PREVIEW
 128                                         if (dbg_analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 129 #endif
 130                                         /* the examine*'s know how to do with mime headers too... */
 131                                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 132                                             (vHdr != NULL)) {
 133                                                 Hdr = (headereval*)vHdr;
 134                                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 135                                         }
 136                                         break;
 137                                 }
 138                         }
 139                 case 2: /* Message Body */
 140
 141                         if (Msg->MsgBody->size_known > 0) {
 142                                 StrBuf_ServGetBLOBBuffered(Msg->MsgBody->Data, Msg->MsgBody->length);
 143                                 state ++;
 144                                 /*/ todo: check next line, if not 000, append following lines */
 145                         }
 146                         else if (1){
 147                                 if (StrLength(Msg->MsgBody->Data) > 0)
 148                                         StrBufAppendBufPlain(Msg->MsgBody->Data, "\n", 1, 0);
 149                                 StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 150                         }
 151                         break;
 152                 case 3:
 153                         StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 154                         break;
 155                 }
 156         }
 157
 158         if (Msg->AllAttach == NULL)
 159                 Msg->AllAttach = NewHash(1,NULL);
 160         /* now we put the body mimepart we read above into the mimelist */
 161         Put(Msg->AllAttach, SKEY(Msg->MsgBody->PartNum), Msg->MsgBody, DestroyMime);
 162
 163         /* Generate a reply-to address */
 164         if (StrLength(Msg->Rfca) > 0) {
 165                 if (Msg->reply_to == NULL)
 166                         Msg->reply_to = NewStrBuf();
 167                 if (StrLength(Msg->from) > 0) {
 168                         StrBufPrintf(Msg->reply_to, "%s <%s>", ChrPtr(Msg->from), ChrPtr(Msg->Rfca));
 169                 }
 170                 else {
 171                         FlushStrBuf(Msg->reply_to);
 172                         StrBufAppendBuf(Msg->reply_to, Msg->Rfca, 0);
 173                 }
 174         }
 175         else
 176         {
 177                 if ((StrLength(Msg->OtherNode)>0) &&
 178                     (strcasecmp(ChrPtr(Msg->OtherNode), ChrPtr(WCC->serv_info->serv_nodename))) &&
 179                     (strcasecmp(ChrPtr(Msg->OtherNode), ChrPtr(WCC->serv_info->serv_humannode)) ))
 180                 {
 181                         if (Msg->reply_to == NULL)
 182                                 Msg->reply_to = NewStrBuf();
 183                         StrBufPrintf(Msg->reply_to,
 184                                      "%s @ %s",
 185                                      ChrPtr(Msg->from),
 186                                      ChrPtr(Msg->OtherNode));
 187                 }
 188                 else {
 189                         if (Msg->reply_to == NULL)
 190                                 Msg->reply_to = NewStrBuf();
 191                         FlushStrBuf(Msg->reply_to);
 192                         StrBufAppendBuf(Msg->reply_to, Msg->from, 0);
 193                 }
 194         }
 195         FreeStrBuf(&Buf);
 196         FreeStrBuf(&HdrToken);
 197         return 1;
 198 }
 199
 200
 201
 202 /*
 203  * I wanna SEE that message!
 204  *
 205  * msgnum               Message number to display
 206  * printable_view       Nonzero to display a printable view
 207  * section              Optional for encapsulated message/rfc822 submessage
 208  */
 209 int read_message(StrBuf *Target, const char *tmpl, long tmpllen, long msgnum, const StrBuf *PartNum)
 210 {
 211         StrBuf *Buf;
 212         StrBuf *FoundCharset;
 213         HashPos  *it;
 214         void *vMime;
 215         message_summary *Msg = NULL;
 216         void *vHdr;
 217         long len;
 218         const char *Key;
 219         WCTemplputParams SubTP;
 220         StrBuf *Error = NULL;
 221
 222         Buf = NewStrBuf();
 223         FoundCharset = NewStrBuf();
 224         Msg = (message_summary *)malloc(sizeof(message_summary));
 225         memset(Msg, 0, sizeof(message_summary));
 226         Msg->msgnum = msgnum;
 227         Msg->PartNum = PartNum;
 228         Msg->MsgBody =  (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
 229         memset(Msg->MsgBody, 0, sizeof(wc_mime_attachment));
 230         Msg->MsgBody->msgnum = msgnum;
 231
 232         if (!load_message(Msg, FoundCharset, &Error)) {
 233                 StrBufAppendBuf(Target, Error, 0);
 234                 FreeStrBuf(&Error);
 235         }
 236
 237         /* strip the bare contenttype, so we ommit charset etc. */
 238         StrBufExtract_token(Buf, Msg->MsgBody->ContentType, 0, ';');
 239         StrBufTrim(Buf);
 240         /* look up the renderer, that will convert this mimeitem into the htmlized form */
 241         if (GetHash(MimeRenderHandler, SKEY(Buf), &vHdr) &&
 242             (vHdr != NULL)) {
 243                 RenderMimeFuncStruct *Render;
 244                 Render = (RenderMimeFuncStruct*)vHdr;
 245                 Render->f(Msg->MsgBody, NULL, FoundCharset);
 246         }
 247
 248         if (StrLength(Msg->reply_references)> 0) {
 249                 /* Trim down excessively long lists of thread references.  We eliminate the
 250                  * second one in the list so that the thread root remains intact.
 251                  */
 252                 int rrtok = num_tokens(ChrPtr(Msg->reply_references), '|');
 253                 int rrlen = StrLength(Msg->reply_references);
 254                 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
 255                         StrBufRemove_token(Msg->reply_references, 1, '|');
 256                 }
 257         }
 258
 259         /* now check if we need to translate some mimeparts, and remove the duplicate */
 260         it = GetNewHashPos(Msg->AllAttach, 0);
 261         while (GetNextHashPos(Msg->AllAttach, it, &len, &Key, &vMime) &&
 262                (vMime != NULL)) {
 263                 wc_mime_attachment *Mime = (wc_mime_attachment*) vMime;
 264                 evaluate_mime_part(Msg, Mime);
 265         }
 266         DeleteHashPos(&it);
 267         memset(&SubTP, 0, sizeof(WCTemplputParams));
 268         SubTP.Filter.ContextType = CTX_MAILSUM;
 269         SubTP.Context = Msg;
 270         DoTemplate(tmpl, tmpllen, Target, &SubTP);
 271
 272         DestroyMessageSummary(Msg);
 273         FreeStrBuf(&FoundCharset);
 274         FreeStrBuf(&Buf);
 275         return 1;
 276 }
 277
 278
 279
 280
 281
 282
 283 /*
 284  * Unadorned HTML output of an individual message, suitable
 285  * for placing in a hidden iframe, for printing, or whatever
 286  *
 287  * msgnum_as_string == Message number, as a string instead of as a long int
 288  */
 289 void embed_message(void) {
 290         long msgnum = 0L;
 291         wcsession *WCC = WC;
 292         const StrBuf *Tmpl = sbstr("template");
 293
 294         msgnum = StrTol(WCC->UrlFragment2);
 295         if (StrLength(Tmpl) > 0)
 296                 read_message(WCC->WBuf, SKEY(Tmpl), msgnum, NULL);
 297         else
 298                 read_message(WCC->WBuf, HKEY("view_message"), msgnum, NULL);
 299 }
 300
 301
 302 /*
 303  * Printable view of a message
 304  *
 305  * msgnum_as_string == Message number, as a string instead of as a long int
 306  */
 307 void print_message(void) {
 308         long msgnum = 0L;
 309
 310         msgnum = StrTol(WC->UrlFragment2);
 311         output_headers(0, 0, 0, 0, 0, 0);
 312
 313         hprintf("Content-type: text/html\r\n"
 314                 "Server: " PACKAGE_STRING "\r\n"
 315                 "Connection: close\r\n");
 316
 317         begin_burst();
 318
 319         read_message(WC->WBuf, HKEY("view_message_print"), msgnum, NULL);
 320
 321         wDumpContent(0);
 322 }
 323
 324 /*
 325  * Mobile browser view of message
 326  *
 327  * @param msg_num_as_string Message number as a string instead of as a long int
 328  */
 329 void mobile_message_view(void) {
 330   long msgnum = 0L;
 331   msgnum = StrTol(WC->UrlFragment2);
 332   output_headers(1, 0, 0, 0, 0, 1);
 333   begin_burst();
 334   do_template("msgcontrols", NULL);
 335   read_message(WC->WBuf, HKEY("view_message"), msgnum, NULL);
 336   wDumpContent(0);
 337 }
 338
 339 /**
 340  * \brief Display a message's headers
 341  *
 342  * \param msgnum_as_string Message number, as a string instead of as a long int
 343  */
 344 void display_headers(void) {
 345         long msgnum = 0L;
 346         char buf[1024];
 347
 348         msgnum = StrTol(WC->UrlFragment2);
 349         output_headers(0, 0, 0, 0, 0, 0);
 350
 351         hprintf("Content-type: text/plain\r\n"
 352                 "Server: %s\r\n"
 353                 "Connection: close\r\n",
 354                 PACKAGE_STRING);
 355         begin_burst();
 356
 357         serv_printf("MSG2 %ld|3", msgnum);
 358         serv_getln(buf, sizeof buf);
 359         if (buf[0] == '1') {
 360                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 361                         wprintf("%s\n", buf);
 362                 }
 363         }
 364
 365         wDumpContent(0);
 366 }
 367
 368
 369 message_summary *ReadOneMessageSummary(StrBuf *RawMessage, const char *DefaultSubject, long MsgNum)
 370 {
 371         void                 *vEval;
 372         MsgPartEvaluatorStruct  *Eval;
 373         message_summary      *Msg;
 374         StrBuf *Buf;
 375         const char *buf;
 376         const char *ebuf;
 377         int nBuf;
 378         long len;
 379
 380         Buf = NewStrBuf();
 381
 382         serv_printf("MSG0 %ld|1", MsgNum);      /* ask for headers only */
 383
 384         StrBuf_ServGetln(Buf);
 385         if (GetServerStatus(Buf, NULL) == 1) {
 386                 FreeStrBuf(&Buf);
 387                 return NULL;
 388         }
 389
 390         Msg = (message_summary*)malloc(sizeof(message_summary));
 391         memset(Msg, 0, sizeof(message_summary));
 392         while (len = StrBuf_ServGetln(Buf),
 393                ((len != 3)  ||
 394                 strcmp(ChrPtr(Buf), "000")== 0)){
 395                 buf = ChrPtr(Buf);
 396                 ebuf = strchr(ChrPtr(Buf), '=');
 397                 nBuf = ebuf - buf;
 398                 if (GetHash(MsgEvaluators, buf, nBuf, &vEval) && vEval != NULL) {
 399                         Eval = (MsgPartEvaluatorStruct*) vEval;
 400                         StrBufCutLeft(Buf, nBuf + 1);
 401                         Eval->f(Msg, Buf);
 402                 }
 403                 else lprintf(1, "Don't know how to handle Message Headerline [%s]", ChrPtr(Buf));
 404         }
 405         return Msg;
 406 }
 407
 408
 409
 410
 411
 412 /*
 413  * load message pointers from the server for a "read messages" operation
 414  *
 415  * servcmd:             the citadel command to send to the citserver
 416  * with_headers:        also include some of the headers with the message numbers (more expensive)
 417  */
 418 int load_msg_ptrs(const char *servcmd, int with_headers)
 419 {
 420         StrBuf* FoundCharset = NULL;
 421         wcsession *WCC = WC;
 422         message_summary *Msg;
 423         StrBuf *Buf, *Buf2;
 424         int nummsgs = 0;
 425         int maxload = 0;
 426         long len;
 427         int n;
 428         int skipit;
 429         const char *Ptr;
 430
 431         if (WCC->summ != NULL) {
 432                 DeleteHash(&WCC->summ);
 433         }
 434         WCC->summ = NewHash(1, Flathash);
 435         maxload = 10000;
 436
 437         Buf = NewStrBuf();
 438         serv_puts(servcmd);
 439         StrBuf_ServGetln(Buf);
 440         if (GetServerStatus(Buf, NULL) != 1) {
 441                 FreeStrBuf(&Buf);
 442                 return (nummsgs);
 443         }
 444         Buf2 = NewStrBuf();
 445         while (len = StrBuf_ServGetln(Buf),
 446                ((len != 3)  ||
 447                 strcmp(ChrPtr(Buf), "000")!= 0))
 448         {
 449                 if (nummsgs < maxload) {
 450                         skipit = 0;
 451                         Ptr = NULL;
 452                         Msg = (message_summary*)malloc(sizeof(message_summary));
 453                         memset(Msg, 0, sizeof(message_summary));
 454
 455                         Msg->msgnum = StrBufExtractNext_long(Buf, &Ptr, '|');
 456                         Msg->date = StrBufExtractNext_long(Buf, &Ptr, '|');
 457                         /*
 458                          * as citserver probably gives us messages in forward date sorting
 459                          * nummsgs should be the same order as the message date.
 460                          */
 461                         if (Msg->date == 0) {
 462                                 Msg->date = nummsgs;
 463                                 if (StrLength(Buf) < 32)
 464                                         skipit = 1;
 465                         }
 466                         if (!skipit) {
 467                                 Msg->from = NewStrBufPlain(NULL, StrLength(Buf));
 468                                 StrBufExtract_NextToken(Buf2, Buf, &Ptr, '|');
 469                                 if (StrLength(Buf2) != 0) {
 470                                         /** Handle senders with RFC2047 encoding */
 471                                         StrBuf_RFC822_to_Utf8(Msg->from, Buf2, WCC->DefaultCharset, FoundCharset);
 472                                 }
 473
 474                                 /** Nodename */
 475                                 StrBufExtract_NextToken(Buf2, Buf, &Ptr, '|');
 476                                 if ((StrLength(Buf2) !=0 ) &&
 477                                     ( ((WCC->room_flags & QR_NETWORK)
 478                                        || ((strcasecmp(ChrPtr(Buf2), ChrPtr(WCC->serv_info->serv_nodename))
 479                                             && (strcasecmp(ChrPtr(Buf2), ChrPtr(WCC->serv_info->serv_fqdn))))))))
 480                                 {
 481                                         StrBufAppendBufPlain(Msg->from, HKEY(" @ "), 0);
 482                                         StrBufAppendBuf(Msg->from, Buf2, 0);
 483                                 }
 484
 485                                 /** Not used:
 486                                     StrBufExtract_token(Msg->inetaddr, Buf, 4, '|');
 487                                 */
 488                                 StrBufSkip_NTokenS(Buf, &Ptr, '|', 1);
 489                                 Msg->subj = NewStrBufPlain(NULL, StrLength(Buf));
 490                                 StrBufExtract_NextToken(Buf2,  Buf, &Ptr, '|');
 491                                 if (StrLength(Buf2) == 0)
 492                                         StrBufAppendBufPlain(Msg->subj, _("(no subject)"), -1,0);
 493                                 else {
 494                                         StrBuf_RFC822_to_Utf8(Msg->subj, Buf2, WCC->DefaultCharset, FoundCharset);
 495                                         if ((StrLength(Msg->subj) > 75) &&
 496                                             (StrBuf_Utf8StrLen(Msg->subj) > 75)) {
 497                                                 StrBuf_Utf8StrCut(Msg->subj, 72);
 498                                                 StrBufAppendBufPlain(Msg->subj, HKEY("..."), 0);
 499                                         }
 500                                 }
 501
 502
 503                                 if ((StrLength(Msg->from) > 25) &&
 504                                     (StrBuf_Utf8StrLen(Msg->from) > 25)) {
 505                                         StrBuf_Utf8StrCut(Msg->from, 23);
 506                                         StrBufAppendBufPlain(Msg->from, HKEY("..."), 0);
 507                                 }
 508                         }
 509                         n = Msg->msgnum;
 510                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 511                 }
 512                 nummsgs++;
 513         }
 514         FreeStrBuf(&Buf2);
 515         FreeStrBuf(&Buf);
 516         return (nummsgs);
 517 }
 518
 519
 520 inline message_summary* GetMessagePtrAt(int n, HashList *Summ)
 521 {
 522         const char *Key;
 523         long HKLen;
 524         void *vMsg;
 525
 526         if (Summ == NULL)
 527                 return NULL;
 528         GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
 529         return (message_summary*) vMsg;
 530 }
 531
 532
 533 long DrawMessageDropdown(StrBuf *Selector, long maxmsgs, long startmsg, int nMessages)
 534 {
 535         StrBuf *TmpBuf;
 536         wcsession *WCC = WC;
 537         void *vMsg;
 538         int lo, hi;
 539         long ret;
 540         long hklen;
 541         const char *key;
 542         int done = 0;
 543         int nItems;
 544         HashPos *At;
 545         long vector[16];
 546         WCTemplputParams SubTP;
 547
 548         memset(&SubTP, 0, sizeof(WCTemplputParams));
 549         SubTP.Filter.ContextType = CTX_LONGVECTOR;
 550         SubTP.Context = &vector;
 551         TmpBuf = NewStrBuf();
 552         At = GetNewHashPos(WCC->summ, nMessages);
 553         nItems = GetCount(WCC->summ);
 554         ret = nMessages;
 555         vector[0] = 7;
 556         vector[2] = 1;
 557         vector[1] = startmsg;
 558         vector[3] = 0;
 559
 560         while (!done) {
 561                 vector[3] = abs(nMessages);
 562                 lo = GetHashPosCounter(At);
 563                 if (nMessages > 0) {
 564                         if (lo + nMessages >= nItems) {
 565                                 hi = nItems - 1;
 566                                 vector[3] = nItems - lo;
 567                                 if (startmsg == lo)
 568                                         ret = vector[3];
 569                         }
 570                         else {
 571                                 hi = lo + nMessages - 1;
 572                         }
 573                 } else {
 574                         if (lo + nMessages < -1) {
 575                                 hi = 0;
 576                         }
 577                         else {
 578                                 if ((lo % abs(nMessages)) != 0) {
 579                                         int offset = (lo % abs(nMessages) *
 580                                                       (nMessages / abs(nMessages)));
 581                                         hi = lo + offset;
 582                                         vector[3] = abs(offset);
 583                                         if (startmsg == lo)
 584                                                  ret = offset;
 585                                 }
 586                                 else
 587                                         hi = lo + nMessages;
 588                         }
 589                 }
 590                 done = !GetNextHashPos(WCC->summ, At, &hklen, &key, &vMsg);
 591
 592                 /**
 593                  * Bump these because although we're thinking in zero base, the user
 594                  * is a drooling idiot and is thinking in one base.
 595                  */
 596                 vector[4] = lo + 1;
 597                 vector[5] = hi + 1;
 598                 vector[6] = lo;
 599                 FlushStrBuf(TmpBuf);
 600                 dbg_print_longvector(vector);
 601                 DoTemplate(HKEY("select_messageindex"), TmpBuf, &SubTP);
 602                 StrBufAppendBuf(Selector, TmpBuf, 0);
 603         }
 604         vector[6] = 0;
 605         FlushStrBuf(TmpBuf);
 606         if (maxmsgs == 9999999) {
 607                 vector[1] = 1;
 608                 ret = maxmsgs;
 609         }
 610         else
 611                 vector[1] = 0;
 612         vector[2] = 0;
 613         dbg_print_longvector(vector);
 614         DoTemplate(HKEY("select_messageindex_all"), TmpBuf, &SubTP);
 615         StrBufAppendBuf(Selector, TmpBuf, 0);
 616         FreeStrBuf(&TmpBuf);
 617         DeleteHashPos(&At);
 618         return ret;
 619 }
 620
 621 void load_seen_flags(void)
 622 {
 623         message_summary *Msg;
 624         const char *HashKey;
 625         long HKLen;
 626         HashPos *at;
 627         void *vMsg;
 628         StrBuf *OldMsg;
 629         wcsession *WCC = WC;
 630
 631         OldMsg = NewStrBuf();
 632         serv_puts("GTSN");
 633         StrBuf_ServGetln(OldMsg);
 634         if (GetServerStatus(OldMsg, NULL) == 2) {
 635                 StrBufCutLeft(OldMsg, 4);
 636         }
 637         else {
 638                 FreeStrBuf(&OldMsg);
 639                 return;
 640         }
 641         at = GetNewHashPos(WCC->summ, 0);
 642         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 643                 /** Are you a new message, or an old message? */
 644                 Msg = (message_summary*) vMsg;
 645                 if (is_msg_in_mset(ChrPtr(OldMsg), Msg->msgnum)) {
 646                         Msg->is_new = 0;
 647                 }
 648                 else {
 649                         Msg->is_new = 1;
 650                 }
 651         }
 652         FreeStrBuf(&OldMsg);
 653         DeleteHashPos(&at);
 654 }
 655
 656 extern readloop_struct rlid[];
 657
 658 /*
 659  * command loop for reading messages
 660  *
 661  * Set oper to "readnew" or "readold" or "readfwd" or "headers"
 662  */
 663 void readloop(long oper)
 664 {
 665         StrBuf *MessageDropdown = NULL;
 666         StrBuf *BBViewToolBar = NULL;
 667         void *vMsg;
 668         message_summary *Msg;
 669         char cmd[256] = "";
 670         char buf[SIZ];
 671         int a = 0;
 672         int with_headers = 0;
 673         int nummsgs;
 674         long startmsg = 0;
 675         int maxmsgs = 0;
 676         long *displayed_msgs = NULL;
 677         int num_displayed = 0;
 678         int is_singlecard = 0;
 679         struct calview calv;
 680         int i;
 681         int lowest_displayed = (-1);
 682         int highest_displayed = 0;
 683         addrbookent *addrbook = NULL;
 684         int num_ab = 0;
 685         int bbs_reverse = 0;
 686         wcsession *WCC = WC;
 687         HashPos *at;
 688         const char *HashKey;
 689         long HKLen;
 690         int care_for_empty_list = 0;
 691         int load_seen = 0;
 692         int sortit = 0;
 693         int defaultsortorder = 0;
 694         WCTemplputParams SubTP;
 695         char *ab_name;
 696
 697         if (havebstr("is_summary") && (1 == (ibstr("is_summary"))))
 698                 WCC->wc_view = VIEW_MAILBOX;
 699
 700         if (!WCC->is_ajax) {
 701         output_headers(1, 1, 1, 0, 0, 0);
 702         } else if (WCC->wc_view == VIEW_MAILBOX) {
 703           jsonMessageListHdr();
 704         }
 705
 706         switch (WCC->wc_view) {
 707         case VIEW_WIKI:
 708                 sprintf(buf, "wiki?room=%s&page=home", ChrPtr(WCC->wc_roomname));
 709                 http_redirect(buf);
 710                 return;
 711         case VIEW_CALBRIEF:
 712         case VIEW_CALENDAR:
 713                 load_seen = 1;
 714                 strcpy(cmd, "MSGS ALL");
 715                 maxmsgs = 32767;
 716                 parse_calendar_view_request(&calv);
 717                 break;
 718         case VIEW_TASKS:
 719                 strcpy(cmd, "MSGS ALL");
 720                 maxmsgs = 32767;
 721                 break;
 722         case VIEW_NOTES:
 723                 strcpy(cmd, "MSGS ALL");
 724                 maxmsgs = 32767;
 725                 wprintf("<div id=\"new_notes_here\"></div>\n");
 726                 break;
 727         case VIEW_ADDRESSBOOK:
 728                 is_singlecard = ibstr("is_singlecard");
 729                 if (is_singlecard != 1) {
 730                         if (oper == do_search) {
 731                                 snprintf(cmd, sizeof(cmd), "MSGS SEARCH|%s", bstr("query"));
 732                         }
 733                         else {
 734                                 strcpy(cmd, "MSGS ALL");
 735                         }
 736                         maxmsgs = 9999999;
 737                         break;
 738                 }
 739                 break;
 740         case VIEW_MAILBOX:
 741           if (!WCC->is_ajax) {
 742             new_summary_view();
 743             return;
 744           } else {
 745                 defaultsortorder = 2;
 746                 sortit = 1;
 747                 load_seen = 1;
 748                 care_for_empty_list = 0;
 749                 with_headers = 1;
 750                 /* Generally using maxmsgs|startmsg is not required
 751                    in mailbox view, but we have a 'safemode' for clients
 752                    (*cough* Exploder) that simply can't handle too many */
 753                 if (havebstr("maxmsgs")) maxmsgs = ibstr("maxmsgs");
 754                 else maxmsgs = 9999999;
 755                 if (havebstr("startmsg")) startmsg = lbstr("startmsg");
 756                 snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 757                          (oper == do_search) ? "SEARCH" : "ALL",
 758                          (oper == do_search) ? bstr("query") : ""
 759                         );
 760           }
 761                 break;
 762         case VIEW_BBS:
 763         default:
 764                 defaultsortorder = 1;
 765                 startmsg = -1;
 766                 sortit = 1;
 767                 care_for_empty_list = 1;
 768
 769                 rlid[oper].cmd(cmd, sizeof(cmd));
 770                 SetAccessCommand(oper);
 771
 772                 if (havebstr("maxmsgs"))
 773                         maxmsgs = ibstr("maxmsgs");
 774                 if (maxmsgs == 0) maxmsgs = DEFAULT_MAXMSGS;
 775
 776                 if (havebstr("startmsg")) {
 777                         startmsg = lbstr("startmsg");
 778                 }
 779
 780         }
 781
 782         nummsgs = load_msg_ptrs(cmd, with_headers);
 783         if (nummsgs == 0) {
 784                 if (care_for_empty_list) {
 785                         wprintf("<div class=\"nomsgs\"><br><em>");
 786                         switch (oper) {
 787                         case readnew:
 788                                 wprintf(_("No new messages."));
 789                                 break;
 790                         case readold:
 791                                 wprintf(_("No old messages."));
 792                                 break;
 793                         default:
 794                                 wprintf(_("No messages here."));
 795                         }
 796                         wprintf("</em><br></div>\n");
 797                         goto DONE;
 798                 }
 799
 800         }
 801
 802         if (sortit) {
 803                 CompareFunc SortIt;
 804                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 805                 SubTP.Filter.ContextType = CTX_NONE;
 806                 SubTP.Context = NULL;
 807                 SortIt =  RetrieveSort(&SubTP, NULL, 0,
 808                                        HKEY("date"), defaultsortorder);
 809                 if (SortIt != NULL)
 810                         SortByPayload(WCC->summ, SortIt);
 811                 if (WCC->wc_view == VIEW_BBS) {
 812                         if (lbstr("SortOrder") == 2) {
 813                                 bbs_reverse = 1;
 814                                 num_displayed = -DEFAULT_MAXMSGS;
 815                         }
 816                         else {
 817                                 bbs_reverse = 0;
 818                                 num_displayed = DEFAULT_MAXMSGS;
 819                         }
 820                 }
 821         }
 822         if (startmsg < 0) startmsg = (bbs_reverse) ? nummsgs - 1 : 0;
 823
 824         if (load_seen) load_seen_flags();
 825
 826         /**
 827          * If we're to print s.th. above the message list...
 828          */
 829         switch (WCC->wc_view) {
 830         case VIEW_BBS:
 831                 BBViewToolBar = NewStrBuf();
 832                 MessageDropdown = NewStrBuf();
 833
 834                 maxmsgs = DrawMessageDropdown(MessageDropdown, maxmsgs, startmsg, num_displayed);
 835                 if (num_displayed < 0) {
 836                         startmsg += maxmsgs;
 837                         if (num_displayed != maxmsgs)
 838                                 maxmsgs = abs(maxmsgs) + 1;
 839                         else
 840                                 maxmsgs = abs(maxmsgs);
 841
 842                 }
 843                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 844                 SubTP.Filter.ContextType = CTX_STRBUF;
 845                 SubTP.Context = MessageDropdown;
 846                 DoTemplate(HKEY("msg_listselector_top"), BBViewToolBar, &SubTP);
 847                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 848                 FlushStrBuf(BBViewToolBar);
 849                 break;
 850         }
 851         WCC->startmsg =  startmsg;
 852         WCC->maxmsgs = maxmsgs;
 853         WCC->num_displayed = 0;
 854
 855         /* Put some helpful data in vars for mailsummary_json */
 856         svputlong("READLOOP:TOTALMSGS", nummsgs);
 857         svputlong("READLOOP:STARTMSG", startmsg);
 858         svputlong("WCVIEW", WCC->wc_view);
 859         /*
 860          * iterate over each message. if we need to load an attachment, do it here.
 861          */
 862         if (WCC->wc_view == VIEW_MAILBOX) goto NO_MSG_LOOP;
 863         /*
 864          * iterate over each message. if we need to load an attachment, do it here.
 865          */
 866         at = GetNewHashPos(WCC->summ, 0);
 867         num_displayed = i = 0;
 868         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 869                 Msg = (message_summary*) vMsg;
 870                 if ((Msg->msgnum >= startmsg) && (num_displayed <= maxmsgs)) {
 871                         switch (WCC->wc_view) {
 872                         case VIEW_WIKI:
 873                                 break;
 874                         case VIEW_CALBRIEF: /* load the mime attachments for special tasks... */
 875                         case VIEW_CALENDAR:
 876                                 load_calendar_item(Msg, Msg->is_new, &calv);
 877                                 break;
 878                         case VIEW_TASKS:
 879                                 display_task(Msg, Msg->is_new);
 880                                 break;
 881                         case VIEW_NOTES:
 882                                 display_note(Msg, Msg->is_new);
 883                                 break;
 884                         case VIEW_ADDRESSBOOK:
 885                                 ab_name = NULL;
 886                                 fetch_ab_name(Msg, &ab_name);
 887                                 if (ab_name == NULL)
 888                                         break;
 889                                 ++num_ab;
 890                                 addrbook = realloc(addrbook,
 891                                                    (sizeof(addrbookent) * num_ab) );
 892                                 safestrncpy(addrbook[num_ab-1].ab_name, ab_name,
 893                                             sizeof(addrbook[num_ab-1].ab_name));
 894                                 addrbook[num_ab-1].ab_msgnum = Msg->msgnum;
 895                                 free(ab_name);
 896                                 break;
 897                         case VIEW_BBS: /* Tag the mails we want to show in bbview... */
 898                         default:
 899                                 if (displayed_msgs == NULL) {
 900                                         displayed_msgs = malloc(sizeof(long) *
 901                                                                 (maxmsgs<nummsgs ? maxmsgs + 1 : nummsgs + 1));
 902                                 }
 903                                 if ((i >= startmsg) && (i < startmsg + maxmsgs)) {
 904                                         displayed_msgs[num_displayed] = Msg->msgnum;
 905                                         if (lowest_displayed < 0) lowest_displayed = a;
 906                                         highest_displayed = a;
 907
 908                                         num_displayed++;
 909                                 }
 910                         }
 911                 }
 912                 i++;
 913         }
 914         DeleteHashPos(&at);
 915
 916  NO_MSG_LOOP:
 917         /*
 918          * Done iterating the message list. now tasks we want to do after.
 919          */
 920         switch (WCC->wc_view) {
 921         case VIEW_MAILBOX:
 922           DoTemplate(HKEY("mailsummary_json"),NULL, &SubTP);
 923           break;
 924         case VIEW_BBS:
 925                 if (displayed_msgs != NULL) {
 926                         /** if we do a split bbview in the future, begin messages div here */
 927
 928                         for (a=0; a<num_displayed; ++a) {
 929                                 read_message(WCC->WBuf, HKEY("view_message"), displayed_msgs[a], NULL);
 930                         }
 931
 932                         /** if we do a split bbview in the future, end messages div here */
 933
 934                         free(displayed_msgs);
 935                         displayed_msgs = NULL;
 936                 }
 937                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 938                 SubTP.Filter.ContextType = CTX_STRBUF;
 939                 SubTP.Context = MessageDropdown;
 940                 DoTemplate(HKEY("msg_listselector_bottom"), BBViewToolBar, &SubTP);
 941                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 942
 943                 FreeStrBuf(&BBViewToolBar);
 944                 FreeStrBuf(&MessageDropdown);
 945         }
 946
 947
 948 DONE:
 949         switch (WCC->wc_view) {
 950         case VIEW_WIKI:
 951                 break;
 952         case VIEW_CALBRIEF:
 953         case VIEW_CALENDAR:
 954                 render_calendar_view(&calv);
 955                 break;
 956         case VIEW_TASKS:
 957                 do_tasks_view();        /** Render the task list */
 958                 break;
 959         case VIEW_NOTES:
 960                 break;
 961         case VIEW_ADDRESSBOOK:
 962                 if (is_singlecard)
 963                         read_message(WC->WBuf, HKEY("view_message"), lbstr("startmsg"), NULL);
 964                 else
 965                         do_addrbook_view(addrbook, num_ab);     /** Render the address book */
 966                 break;
 967         case VIEW_MAILBOX:
 968         case VIEW_BBS:
 969         default:
 970                 break;
 971         }
 972         /** Note: wDumpContent() will output one additional </div> tag. */
 973         if (WCC->wc_view != VIEW_MAILBOX) {
 974                 /* We ought to move this out into template */
 975                 wDumpContent(1);
 976         } else {
 977                 end_burst();
 978         }
 979         WCC->startmsg = 0;
 980         WCC->maxmsgs = 0;
 981         if (WCC->summ != NULL) {
 982                 DeleteHash(&WCC->summ);
 983         }
 984         if (addrbook != NULL) free(addrbook);
 985         FreeStrBuf(&BBViewToolBar);
 986 }
 987
 988
 989 /*
 990  * Back end for post_message()
 991  * ... this is where the actual message gets transmitted to the server.
 992  */
 993 void post_mime_to_server(void) {
 994         wcsession *WCC = WC;
 995         char top_boundary[SIZ];
 996         char alt_boundary[SIZ];
 997         int is_multipart = 0;
 998         static int seq = 0;
 999         wc_mime_attachment *att;
1000         char *encoded;
1001         size_t encoded_length;
1002         size_t encoded_strlen;
1003         char *txtmail = NULL;
1004
1005         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
1006                 ChrPtr(WCC->serv_info->serv_fqdn),
1007                 getpid(),
1008                 ++seq
1009         );
1010         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
1011                 ChrPtr(WCC->serv_info->serv_fqdn),
1012                 getpid(),
1013                 ++seq
1014         );
1015
1016         /* RFC2045 requires this, and some clients look for it... */
1017         serv_puts("MIME-Version: 1.0");
1018         serv_puts("X-Mailer: " PACKAGE_STRING);
1019
1020         /* If there are attachments, we have to do multipart/mixed */
1021         if (GetCount(WCC->attachments) > 0) {
1022                 is_multipart = 1;
1023         }
1024
1025         if (is_multipart) {
1026                 /* Remember, serv_printf() appends an extra newline */
1027                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
1028                 serv_printf("This is a multipart message in MIME format.\n");
1029                 serv_printf("--%s", top_boundary);
1030         }
1031
1032         /* Remember, serv_printf() appends an extra newline */
1033         serv_printf("Content-type: multipart/alternative; "
1034                 "boundary=\"%s\"\n", alt_boundary);
1035         serv_printf("This is a multipart message in MIME format.\n");
1036         serv_printf("--%s", alt_boundary);
1037
1038         serv_puts("Content-type: text/plain; charset=utf-8");
1039         serv_puts("Content-Transfer-Encoding: quoted-printable");
1040         serv_puts("");
1041         txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
1042         text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
1043         free(txtmail);
1044
1045         serv_printf("--%s", alt_boundary);
1046
1047         serv_puts("Content-type: text/html; charset=utf-8");
1048         serv_puts("Content-Transfer-Encoding: quoted-printable");
1049         serv_puts("");
1050         serv_puts("<html><body>\r\n");
1051         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
1052         serv_puts("</body></html>\r\n");
1053
1054         serv_printf("--%s--", alt_boundary);
1055
1056         if (is_multipart) {
1057                 long len;
1058                 const char *Key;
1059                 void *vAtt;
1060                 HashPos  *it;
1061
1062                 /* Add in the attachments */
1063                 it = GetNewHashPos(WCC->attachments, 0);
1064                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
1065                         att = (wc_mime_attachment *)vAtt;
1066                         encoded_length = ((att->length * 150) / 100);
1067                         encoded = malloc(encoded_length);
1068                         if (encoded == NULL) break;
1069                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
1070
1071                         serv_printf("--%s", top_boundary);
1072                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
1073                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
1074                         serv_puts("Content-transfer-encoding: base64");
1075                         serv_puts("");
1076                         serv_write(encoded, encoded_strlen);
1077                         serv_puts("");
1078                         serv_puts("");
1079                         free(encoded);
1080                 }
1081                 serv_printf("--%s--", top_boundary);
1082                 DeleteHashPos(&it);
1083         }
1084
1085         serv_puts("000");
1086 }
1087
1088
1089 /*
1090  * Post message (or don't post message)
1091  *
1092  * Note regarding the "dont_post" variable:
1093  * A random value (actually, it's just a timestamp) is inserted as a hidden
1094  * field called "postseq" when the display_enter page is generated.  This
1095  * value is checked when posting, using the static variable dont_post.  If a
1096  * user attempts to post twice using the same dont_post value, the message is
1097  * discarded.  This prevents the accidental double-saving of the same message
1098  * if the user happens to click the browser "back" button.
1099  */
1100 void post_message(void)
1101 {
1102         char buf[1024];
1103         StrBuf *encoded_subject = NULL;
1104         static long dont_post = (-1L);
1105         wc_mime_attachment  *att;
1106         int is_anonymous = 0;
1107         const StrBuf *display_name = NULL;
1108         wcsession *WCC = WC;
1109
1110         if (havebstr("force_room")) {
1111                 gotoroom(sbstr("force_room"));
1112         }
1113
1114         if (havebstr("display_name")) {
1115                 display_name = sbstr("display_name");
1116                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1117                         display_name = NULL;
1118                         is_anonymous = 1;
1119                 }
1120         }
1121
1122         if (WCC->upload_length > 0) {
1123                 const char *pch;
1124                 int n;
1125                 char N[64];
1126
1127                 lprintf(9, "%s:%d: we are uploading %d bytes\n", __FILE__, __LINE__, WCC->upload_length);
1128                 /** There's an attachment.  Save it to this struct... */
1129                 att = malloc(sizeof(wc_mime_attachment));
1130                 memset(att, 0, sizeof(wc_mime_attachment ));
1131                 att->length = WCC->upload_length;
1132                 att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1133                 att->FileName = NewStrBufPlain(WCC->upload_filename, -1);
1134
1135
1136                 if (WCC->attachments == NULL)
1137                         WCC->attachments = NewHash(1, NULL);
1138                 /* And add it to the list. */
1139                 n = snprintf(N, sizeof N, "%d", GetCount(WCC->attachments) + 1);
1140                 Put(WCC->attachments, N, n, att, DestroyMime);
1141
1142                 /**
1143                  * Mozilla sends a simple filename, which is what we want,
1144                  * but Satan's Browser sends an entire pathname.  Reduce
1145                  * the path to just a filename if we need to.
1146                  */
1147                 pch = strrchr(ChrPtr(att->FileName), '/');
1148                 if (pch != NULL) {
1149                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1150                 }
1151                 pch = strrchr(ChrPtr(att->FileName), '\\');
1152                 if (pch != NULL) {
1153                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName) + 1);
1154                 }
1155
1156                 /**
1157                  * Transfer control of this memory from the upload struct
1158                  * to the attachment struct.
1159                  */
1160                 att->Data = NewStrBufPlain(WCC->upload, WCC->upload_length);
1161                 free(WCC->upload);
1162                 WCC->upload_length = 0;
1163                 WCC->upload = NULL;
1164                 display_enter();
1165                 return;
1166         }
1167
1168         if (havebstr("cancel_button")) {
1169                 sprintf(WCC->ImportantMessage,
1170                         _("Cancelled.  Message was not posted."));
1171         } else if (havebstr("attach_button")) {
1172                 display_enter();
1173                 return;
1174         } else if (lbstr("postseq") == dont_post) {
1175                 sprintf(WCC->ImportantMessage,
1176                         _("Automatically cancelled because you have already "
1177                         "saved this message."));
1178         } else {
1179                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1180                 const StrBuf *Recp = NULL;
1181                 const StrBuf *Cc = NULL;
1182                 const StrBuf *Bcc = NULL;
1183                 const StrBuf *Wikipage = NULL;
1184                 const StrBuf *my_email_addr = NULL;
1185                 StrBuf *CmdBuf = NULL;
1186                 StrBuf *references = NULL;
1187
1188                 if (havebstr("references"))
1189                 {
1190                         const StrBuf *ref = sbstr("references");
1191                         references = NewStrBufPlain(ChrPtr(ref), StrLength(ref));
1192                         if (*ChrPtr(references) == '|') {       /* remove leading '|' if present */
1193                                 StrBufCutLeft(references, 1);
1194                         }
1195                         StrBufReplaceChars(references, '|', '!');
1196                 }
1197                 if (havebstr("subject")) {
1198                         const StrBuf *Subj;
1199                         /*
1200                          * make enough room for the encoded string;
1201                          * plus the QP header
1202                          */
1203                         Subj = sbstr("subject");
1204
1205                         StrBufRFC2047encode(&encoded_subject, Subj);
1206                 }
1207                 Recp = sbstr("recp");
1208                 Cc = sbstr("cc");
1209                 Bcc = sbstr("bcc");
1210                 Wikipage = sbstr("wikipage");
1211                 my_email_addr = sbstr("my_email_addr");
1212
1213                 CmdBuf = NewStrBufPlain(NULL,
1214                                         sizeof (CMD) +
1215                                         StrLength(Recp) +
1216                                         StrLength(encoded_subject) +
1217                                         StrLength(Cc) +
1218                                         StrLength(Bcc) +
1219                                         StrLength(Wikipage) +
1220                                         StrLength(my_email_addr) +
1221                                         StrLength(references));
1222
1223                 StrBufPrintf(CmdBuf,
1224                              CMD,
1225                              ChrPtr(Recp),
1226                              is_anonymous,
1227                              ChrPtr(encoded_subject),
1228                              ChrPtr(display_name),
1229                              ChrPtr(Cc),
1230                              ChrPtr(Bcc),
1231                              ChrPtr(Wikipage),
1232                              ChrPtr(my_email_addr),
1233                              ChrPtr(references));
1234                 FreeStrBuf(&references);
1235
1236                 lprintf(9, "%s\n", ChrPtr(CmdBuf));
1237                 serv_puts(ChrPtr(CmdBuf));
1238                 serv_getln(buf, sizeof buf);
1239                 FreeStrBuf(&CmdBuf);
1240                 FreeStrBuf(&encoded_subject);
1241                 if (buf[0] == '4') {
1242                         post_mime_to_server();
1243                         if (  (havebstr("recp"))
1244                            || (havebstr("cc"  ))
1245                            || (havebstr("bcc" ))
1246                         ) {
1247                                 sprintf(WCC->ImportantMessage, _("Message has been sent.\n"));
1248                         }
1249                         else {
1250                                 sprintf(WC->ImportantMessage, _("Message has been posted.\n"));
1251                         }
1252                         dont_post = lbstr("postseq");
1253                 } else {
1254                         lprintf(9, "%s:%d: server post error: %s\n", __FILE__, __LINE__, buf);
1255                         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1256                         display_enter();
1257                         return;
1258                 }
1259         }
1260
1261         DeleteHash(&WCC->attachments);
1262
1263         /**
1264          *  We may have been supplied with instructions regarding the location
1265          *  to which we must return after posting.  If found, go there.
1266          */
1267         if (havebstr("return_to")) {
1268                 http_redirect(bstr("return_to"));
1269         }
1270         /**
1271          *  If we were editing a page in a wiki room, go to that page now.
1272          */
1273         else if (havebstr("wikipage")) {
1274                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
1275                 http_redirect(buf);
1276         }
1277         /**
1278          *  Otherwise, just go to the "read messages" loop.
1279          */
1280         else {
1281                 readloop(readnew);
1282         }
1283 }
1284
1285
1286
1287
1288 /**
1289  * \brief display the message entry screen
1290  */
1291 void display_enter(void)
1292 {
1293         char buf[SIZ];
1294         long now;
1295         const StrBuf *display_name = NULL;
1296         int recipient_required = 0;
1297         int subject_required = 0;
1298         int recipient_bad = 0;
1299         int is_anonymous = 0;
1300         wcsession *WCC = WC;
1301
1302         now = time(NULL);
1303
1304         if (havebstr("force_room")) {
1305                 gotoroom(sbstr("force_room"));
1306         }
1307
1308         display_name = sbstr("display_name");
1309         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1310                 display_name = NULL;
1311                 is_anonymous = 1;
1312         }
1313
1314         /** First test to see whether this is a room that requires recipients to be entered */
1315         serv_puts("ENT0 0");
1316         serv_getln(buf, sizeof buf);
1317
1318         if (!strncmp(buf, "570", 3)) {          /** 570 means that we need a recipient here */
1319                 recipient_required = 1;
1320         }
1321         else if (buf[0] != '2') {               /** Any other error means that we cannot continue */
1322                 sprintf(WCC->ImportantMessage, "%s", &buf[4]);
1323                 readloop(readnew);
1324                 return;
1325         }
1326
1327         /* Is the server strongly recommending that the user enter a message subject? */
1328         if ((buf[3] != '\0') && (buf[4] != '\0')) {
1329                 subject_required = extract_int(&buf[4], 1);
1330         }
1331
1332         /**
1333          * Are we perhaps in an address book view?  If so, then an "enter
1334          * message" command really means "add new entry."
1335          */
1336         if (WCC->wc_default_view == VIEW_ADDRESSBOOK) {
1337                 do_edit_vcard(-1, "", NULL, NULL, "",  ChrPtr(WCC->wc_roomname));
1338                 return;
1339         }
1340
1341         /*
1342          * Are we perhaps in a calendar room?  If so, then an "enter
1343          * message" command really means "add new calendar item."
1344          */
1345         if (WCC->wc_default_view == VIEW_CALENDAR) {
1346                 display_edit_event();
1347                 return;
1348         }
1349
1350         /*
1351          * Are we perhaps in a tasks view?  If so, then an "enter
1352          * message" command really means "add new task."
1353          */
1354         if (WCC->wc_default_view == VIEW_TASKS) {
1355                 display_edit_task();
1356                 return;
1357         }
1358
1359         /*
1360          * Otherwise proceed normally.
1361          * Do a custom room banner with no navbar...
1362          */
1363
1364         if (recipient_required) {
1365                 const StrBuf *Recp = NULL;
1366                 const StrBuf *Cc = NULL;
1367                 const StrBuf *Bcc = NULL;
1368                 const StrBuf *Wikipage = NULL;
1369                 StrBuf *CmdBuf = NULL;
1370                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1371
1372                 Recp = sbstr("recp");
1373                 Cc = sbstr("cc");
1374                 Bcc = sbstr("bcc");
1375                 Wikipage = sbstr("wikipage");
1376
1377                 CmdBuf = NewStrBufPlain(NULL,
1378                                         sizeof (CMD) +
1379                                         StrLength(Recp) +
1380                                         StrLength(display_name) +
1381                                         StrLength(Cc) +
1382                                         StrLength(Bcc) +
1383                                         StrLength(Wikipage));
1384
1385                 StrBufPrintf(CmdBuf,
1386                              CMD,
1387                              ChrPtr(Recp),
1388                              is_anonymous,
1389                              ChrPtr(display_name),
1390                              ChrPtr(Cc),
1391                              ChrPtr(Bcc),
1392                              ChrPtr(Wikipage));
1393                 serv_puts(ChrPtr(CmdBuf));
1394                 serv_getln(buf, sizeof buf);
1395                 FreeStrBuf(&CmdBuf);
1396
1397                 if (!strncmp(buf, "570", 3)) {  /** 570 means we have an invalid recipient listed */
1398                         if (havebstr("recp") &&
1399                             havebstr("cc"  ) &&
1400                             havebstr("bcc" )) {
1401                                 recipient_bad = 1;
1402                         }
1403                 }
1404                 else if (buf[0] != '2') {       /** Any other error means that we cannot continue */
1405                         wprintf("<em>%s</em><br />\n", &buf[4]);/*TODO -> important message */
1406                         return;
1407                 }
1408         }
1409         svputlong("RCPTREQUIRED", recipient_required);
1410         svputlong("SUBJREQUIRED", recipient_required || subject_required);
1411
1412         begin_burst();
1413         output_headers(1, 0, 0, 0, 1, 0);
1414         DoTemplate(HKEY("edit_message"), NULL, &NoCtx);
1415         end_burst();
1416
1417         return;
1418 }
1419
1420 /**
1421  * \brief delete a message
1422  */
1423 void delete_msg(void)
1424 {
1425         long msgid;
1426         char buf[SIZ];
1427
1428         msgid = lbstr("msgid");
1429
1430         if (WC->wc_is_trash) {  /** Delete from Trash is a real delete */
1431                 serv_printf("DELE %ld", msgid);
1432         }
1433         else {                  /** Otherwise move it to Trash */
1434                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1435         }
1436
1437         serv_getln(buf, sizeof buf);
1438         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1439
1440         readloop(readnew);
1441 }
1442
1443
1444 /**
1445  * \brief move a message to another folder
1446  */
1447 void move_msg(void)
1448 {
1449         long msgid;
1450         char buf[SIZ];
1451
1452         msgid = lbstr("msgid");
1453
1454         if (havebstr("move_button")) {
1455                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1456                 serv_puts(buf);
1457                 serv_getln(buf, sizeof buf);
1458                 sprintf(WC->ImportantMessage, "%s", &buf[4]);
1459         } else {
1460                 sprintf(WC->ImportantMessage, (_("The message was not moved.")));
1461         }
1462
1463         readloop(readnew);
1464 }
1465
1466
1467
1468
1469
1470 /*
1471  * Confirm move of a message
1472  */
1473 void confirm_move_msg(void)
1474 {
1475         long msgid;
1476         char buf[SIZ];
1477         char targ[SIZ];
1478
1479         msgid = lbstr("msgid");
1480
1481
1482         output_headers(1, 1, 2, 0, 0, 0);
1483         wprintf("<div id=\"banner\">\n");
1484         wprintf("<h1>");
1485         wprintf(_("Confirm move of message"));
1486         wprintf("</h1>");
1487         wprintf("</div>\n");
1488
1489         wprintf("<div id=\"content\" class=\"service\">\n");
1490
1491         wprintf("<CENTER>");
1492
1493         wprintf(_("Move this message to:"));
1494         wprintf("<br />\n");
1495
1496         wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
1497         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
1498         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
1499
1500         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1501         serv_puts("LKRA");
1502         serv_getln(buf, sizeof buf);
1503         if (buf[0] == '1') {
1504                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1505                         extract_token(targ, buf, 0, '|', sizeof targ);
1506                         wprintf("<OPTION>");
1507                         escputs(targ);
1508                         wprintf("\n");
1509                 }
1510         }
1511         wprintf("</SELECT>\n");
1512         wprintf("<br />\n");
1513
1514         wprintf("<INPUT TYPE=\"submit\" NAME=\"move_button\" VALUE=\"%s\">", _("Move"));
1515         wprintf("&nbsp;");
1516         wprintf("<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">", _("Cancel"));
1517         wprintf("</form></CENTER>\n");
1518
1519         wprintf("</CENTER>\n");
1520         wDumpContent(1);
1521 }
1522
1523
1524 /*
1525  * Generic function to output an arbitrary MIME attachment from
1526  * message being composed
1527  *
1528  * partnum              The MIME part to be output
1529  * filename             Fake filename to give
1530  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1531  */
1532 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1533 {
1534         void *vPart;
1535         StrBuf *content_type;
1536         wc_mime_attachment *part;
1537
1538         if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
1539             (vPart != NULL)) {
1540                 part = (wc_mime_attachment*) vPart;
1541                 if (force_download) {
1542                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1543                 }
1544                 else {
1545                         content_type = NewStrBufDup(part->ContentType);
1546                 }
1547                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1548                 http_transmit_thing(ChrPtr(content_type), 0);
1549         } else {
1550                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1551                 output_headers(0, 0, 0, 0, 0, 0);
1552                 hprintf("Content-Type: text/plain\r\n");
1553                 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
1554                         ChrPtr(partnum), ChrPtr(filename));
1555                 end_burst();
1556         }
1557         FreeStrBuf(&content_type);
1558 }
1559
1560
1561 /*
1562  * Generic function to output an arbitrary MIME part from an arbitrary
1563  * message number on the server.
1564  *
1565  * msgnum               Number of the item on the citadel server
1566  * partnum              The MIME part to be output
1567  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1568  */
1569 void mimepart(int force_download)
1570 {
1571         wcsession *WCC = WC;
1572         StrBuf *Buf;
1573         off_t bytes;
1574         StrBuf *ContentType = NewStrBufPlain(HKEY("application/octet-stream"));
1575         const char *CT;
1576
1577         Buf = NewStrBuf();
1578         serv_printf("OPNA %s|%s", ChrPtr(WCC->UrlFragment2), ChrPtr(WCC->UrlFragment3));
1579         StrBuf_ServGetln(Buf);
1580         if (GetServerStatus(Buf, NULL) == 2) {
1581                 StrBufCutLeft(Buf, 4);
1582                 bytes = StrBufExtract_long(Buf, 0, '|');
1583                 if (!force_download) {
1584                         StrBufExtract_token(ContentType, Buf, 3, '|');
1585                 }
1586
1587                 read_server_binary(WCC->WBuf, bytes, Buf);
1588                 serv_puts("CLOS");
1589                 StrBuf_ServGetln(Buf);
1590                 CT = ChrPtr(ContentType);
1591
1592                 if (!force_download) {
1593                         if (!strcasecmp(ChrPtr(ContentType), "application/octet-stream")) {
1594                                 CT = GuessMimeByFilename(SKEY(WCC->UrlFragment4));
1595                         }
1596                         if (!strcasecmp(ChrPtr(ContentType), "application/octet-stream")) {
1597                                 CT = GuessMimeType(SKEY(WCC->WBuf));
1598                         }
1599                 }
1600                 http_transmit_thing(CT, 0);
1601         } else {
1602                 StrBufCutLeft(Buf, 4);
1603                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(Buf));
1604                 output_headers(0, 0, 0, 0, 0, 0);
1605                 hprintf("Content-Type: text/plain\r\n");
1606                 wprintf(_("An error occurred while retrieving this part: %s\n"),
1607                         ChrPtr(Buf));
1608                 end_burst();
1609         }
1610         FreeStrBuf(&ContentType);
1611         FreeStrBuf(&Buf);
1612 }
1613
1614
1615 /*
1616  * Read any MIME part of a message, from the server, into memory.
1617  */
1618 StrBuf *load_mimepart(long msgnum, char *partnum)
1619 {
1620         off_t bytes;
1621         StrBuf *Buf;
1622
1623         Buf = NewStrBuf();
1624         serv_printf("DLAT %ld|%s", msgnum, partnum);
1625         StrBuf_ServGetln(Buf);
1626         if (GetServerStatus(Buf, NULL) == 6) {
1627                 StrBufCutLeft(Buf, 4);
1628                 bytes = StrBufExtract_long(Buf, 0, '|');
1629
1630                 StrBuf_ServGetBLOBBuffered(Buf, bytes);
1631                 return(Buf);
1632         }
1633         else {
1634                 FreeStrBuf(&Buf);
1635                 return(NULL);
1636         }
1637 }
1638
1639 /*
1640  * Read any MIME part of a message, from the server, into memory.
1641  */
1642 void MimeLoadData(wc_mime_attachment *Mime)
1643 {
1644         StrBuf *Buf;
1645         off_t bytes;
1646 /* TODO: is there a chance the contenttype is different  to the one we know?     */
1647         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1648         Buf = NewStrBuf();
1649         StrBuf_ServGetln(Buf);
1650         if (GetServerStatus(Buf, NULL) == 6) {
1651                 bytes = extract_long(&(ChrPtr(Buf)[4]), 0);
1652
1653                 if (Mime->Data == NULL)
1654                         Mime->Data = NewStrBufPlain(NULL, bytes);
1655                 StrBuf_ServGetBLOBBuffered(Mime->Data, bytes);
1656         }
1657         else {
1658                 FlushStrBuf(Mime->Data);
1659                 /* TODO XImportant message */
1660         }
1661         FreeStrBuf(&Buf);
1662 }
1663
1664
1665
1666
1667 void view_mimepart(void) {
1668         mimepart(0);
1669 }
1670
1671 void download_mimepart(void) {
1672         mimepart(1);
1673 }
1674
1675 void view_postpart(void) {
1676         postpart(WC->UrlFragment2,
1677                  WC->UrlFragment3,
1678                  0);
1679 }
1680
1681 void download_postpart(void) {
1682         postpart(WC->UrlFragment2,
1683                  WC->UrlFragment3,
1684                  1);
1685 }
1686
1687 void h_readnew(void) { readloop(readnew);}
1688 void h_readold(void) { readloop(readold);}
1689 void h_readfwd(void) { readloop(readfwd);}
1690 void h_headers(void) { readloop(headers);}
1691 void h_do_search(void) { readloop(do_search);}
1692
1693 void jsonMessageListHdr(void)
1694 {
1695         /* TODO: make a generic function */
1696   hprintf("HTTP/1.1 200 OK\r\n");
1697   hprintf("Content-type: application/json; charset=utf-8\r\n");
1698   hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
1699   hprintf("Connection: close\r\n");
1700   hprintf("Pragma: no-cache\r\nCache-Control: no-store\r\nExpires:-1\r\n");
1701   begin_burst();
1702 }
1703 /* Spit out the new summary view. This is basically a static page, so clients can cache the layout, all the dirty work is javascript :) */
1704 void new_summary_view(void) {
1705   begin_burst();
1706   DoTemplate(HKEY("msg_listview"),NULL,&NoCtx);
1707   DoTemplate(HKEY("trailing"),NULL,&NoCtx);
1708   end_burst();
1709 }
1710 /** Output message list in JSON-format */
1711 void jsonMessageList(void) {
1712   const StrBuf *room = sbstr("room");
1713   long oper = (havebstr("query")) ? do_search : readnew;
1714   WC->is_ajax = 1;
1715   gotoroom(room);
1716   readloop(oper);
1717   WC->is_ajax = 0;
1718 }
1719
1720 void
1721 InitModule_MSG
1722 (void)
1723 {
1724         RegisterPreference("use_sig",
1725                            _("Attach signature to email messages?"),
1726                            PRF_YESNO,
1727                            NULL);
1728         RegisterPreference("signature", _("Use this signature:"), PRF_QP_STRING, NULL);
1729         RegisterPreference("default_header_charset",
1730                            _("Default character set for email headers:"),
1731                            PRF_STRING,
1732                            NULL);
1733         RegisterPreference("defaultfrom", _("Preferred email address"), PRF_STRING, NULL);
1734         RegisterPreference("defaultname",
1735                            _("Preferred display name for email messages"),
1736                            PRF_STRING,
1737                            NULL);
1738         RegisterPreference("defaulthandle",
1739                            _("Preferred display name for bulletin board posts"),
1740                            PRF_STRING,
1741                            NULL);
1742         RegisterPreference("mailbox",_("Mailbox view mode"), PRF_STRING, NULL);
1743
1744         WebcitAddUrlHandler(HKEY("readnew"), h_readnew, NEED_URL);
1745         WebcitAddUrlHandler(HKEY("readold"), h_readold, NEED_URL);
1746         WebcitAddUrlHandler(HKEY("readfwd"), h_readfwd, NEED_URL);
1747         WebcitAddUrlHandler(HKEY("headers"), h_headers, NEED_URL);
1748         WebcitAddUrlHandler(HKEY("do_search"), h_do_search, 0);
1749         WebcitAddUrlHandler(HKEY("display_enter"), display_enter, 0);
1750         WebcitAddUrlHandler(HKEY("post"), post_message, 0);
1751         WebcitAddUrlHandler(HKEY("move_msg"), move_msg, 0);
1752         WebcitAddUrlHandler(HKEY("delete_msg"), delete_msg, 0);
1753         WebcitAddUrlHandler(HKEY("confirm_move_msg"), confirm_move_msg, 0);
1754         WebcitAddUrlHandler(HKEY("msg"), embed_message, NEED_URL|AJAX);
1755         WebcitAddUrlHandler(HKEY("printmsg"), print_message, NEED_URL);
1756         WebcitAddUrlHandler(HKEY("mobilemsg"), mobile_message_view, NEED_URL);
1757         WebcitAddUrlHandler(HKEY("msgheaders"), display_headers, NEED_URL);
1758
1759         WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1760         WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1761         WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1762         WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1763
1764         /* json */
1765         WebcitAddUrlHandler(HKEY("roommsgs"), jsonMessageList,0);
1766         return ;
1767 }
1768
1769 void
1770 SessionDetachModule_MSG
1771 (wcsession *sess)
1772 {
1773         DeleteHash(&sess->summ);
1774 }