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