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
  68         Buf = NewStrBuf();
  69         lprintf(1, "----------%s---------MSG4 %ld|%s--------------\n", tmpl, msgnum, ChrPtr(PartNum));
  70         serv_printf("MSG4 %ld|%s", msgnum, ChrPtr(PartNum));
  71         StrBuf_ServGetln(Buf);
  72         if (GetServerStatus(Buf, NULL) != 1) {
  73                 StrBufAppendPrintf(Target, "<strong>");
  74                 StrBufAppendPrintf(Target, _("ERROR:"));
  75                 StrBufAppendPrintf(Target, "</strong> %s<br />\n", &buf[4]);
  76                 FreeStrBuf(&Buf);
  77                 return 0;
  78         }
  79
  80         /** begin everythingamundo table */
  81
  82
  83         HdrToken = NewStrBuf();
  84         Msg = (message_summary *)malloc(sizeof(message_summary));
  85         memset(Msg, 0, sizeof(message_summary));
  86         Msg->msgnum = msgnum;
  87         Msg->PartNum = PartNum;
  88         Msg->MsgBody =  (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
  89         memset(Msg->MsgBody, 0, sizeof(wc_mime_attachment));
  90         FoundCharset = NewStrBuf();
  91         while ((StrBuf_ServGetln(Buf)>=0) && !Done) {
  92                 if ( (StrLength(Buf)==3) &&
  93                     !strcmp(ChrPtr(Buf), "000"))
  94                 {
  95                         Done = 1;
  96                         if (state < 2) {
  97                                 lprintf(1, _("unexpected end of message"));
  98
  99                                 Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/html"));
 100                                 StrBufAppendPrintf(Msg->MsgBody->Data, "<div><i>");
 101                                 StrBufAppendPrintf(Msg->MsgBody->Data, _("unexpected end of message"));
 102                                 StrBufAppendPrintf(Msg->MsgBody->Data, " (1)</i><br /><br />\n");
 103                                 StrBufAppendPrintf(Msg->MsgBody->Data, "</div>\n");
 104                         }
 105                         break;
 106                 }
 107                 switch (state) {
 108                 case 0:/* Citadel Message Headers */
 109                         if (StrLength(Buf) == 0) {
 110                                 state ++;
 111                                 break;
 112                         }
 113                         StrBufExtract_token(HdrToken, Buf, 0, '=');
 114                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 115
 116 #ifdef TECH_PREVIEW
 117                         if (analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 118 #endif
 119                         /* look up one of the examine_* functions to parse the content */
 120                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 121                             (vHdr != NULL)) {
 122                                 Hdr = (headereval*)vHdr;
 123                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 124                                 if (Hdr->Type == 1) {
 125                                         state++;
 126                                 }
 127                         }
 128                         else lprintf(1, "don't know how to handle message header[%s]\n", ChrPtr(HdrToken));
 129                         break;
 130                 case 1:/* Message Mime Header */
 131                         if (StrLength(Buf) == 0) {
 132                                 state++;
 133                                 if (Msg->MsgBody->ContentType == NULL)
 134                                         /* end of header or no header? */
 135                                         Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/plain"));
 136                                  /* usual end of mime header */
 137                         }
 138                         else
 139                         {
 140                                 StrBufExtract_token(HdrToken, Buf, 0, ':');
 141                                 if (StrLength(HdrToken) > 0) {
 142                                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 143 #ifdef TECH_PREVIEW
 144                                         if (analyze_msg) lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 145 #endif
 146                                         /* the examine*'s know how to do with mime headers too... */
 147                                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 148                                             (vHdr != NULL)) {
 149                                                 Hdr = (headereval*)vHdr;
 150                                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 151                                         }
 152                                         break;
 153                                 }
 154                         }
 155                 case 2: /* Message Body */
 156
 157                         if (Msg->MsgBody->size_known > 0) {
 158                                 StrBuf_ServGetBLOB(Msg->MsgBody->Data, Msg->MsgBody->length);
 159                                 state ++;
 160                                 /*/ todo: check next line, if not 000, append following lines */
 161                         }
 162                         else if (1){
 163                                 if (StrLength(Msg->MsgBody->Data) > 0)
 164                                         StrBufAppendBufPlain(Msg->MsgBody->Data, "\n", 1, 0);
 165                                 StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 166                         }
 167                         break;
 168                 case 3:
 169                         StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 170                         break;
 171                 }
 172         }
 173
 174         if (Msg->AllAttach == NULL)
 175                 Msg->AllAttach = NewHash(1,NULL);
 176         /* now we put the body mimepart we read above into the mimelist */
 177         Put(Msg->AllAttach, SKEY(Msg->MsgBody->PartNum), Msg->MsgBody, DestroyMime);
 178
 179         /* strip the bare contenttype, so we ommit charset etc. */
 180         StrBufExtract_token(Buf, Msg->MsgBody->ContentType, 0, ';');
 181         StrBufTrim(Buf);
 182         /* look up the renderer, that will convert this mimeitem into the htmlized form */
 183         if (GetHash(MimeRenderHandler, SKEY(Buf), &vHdr) &&
 184             (vHdr != NULL)) {
 185                 RenderMimeFuncStruct *Render;
 186                 Render = (RenderMimeFuncStruct*)vHdr;
 187                 Render->f(Msg->MsgBody, NULL, FoundCharset);
 188         }
 189
 190         if (StrLength(Msg->reply_references)> 0) {
 191                 /* Trim down excessively long lists of thread references.  We eliminate the
 192                  * second one in the list so that the thread root remains intact.
 193                  */
 194                 int rrtok = num_tokens(ChrPtr(Msg->reply_references), '|');
 195                 int rrlen = StrLength(Msg->reply_references);
 196                 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
 197                         StrBufRemove_token(Msg->reply_references, 1, '|');
 198                 }
 199         }
 200
 201         /* Generate a reply-to address */
 202         if (StrLength(Msg->Rfca) > 0) {
 203                 if (Msg->reply_to == NULL)
 204                         Msg->reply_to = NewStrBuf();
 205                 if (StrLength(Msg->from) > 0) {
 206                         StrBufPrintf(Msg->reply_to, "%s <%s>", ChrPtr(Msg->from), ChrPtr(Msg->Rfca));
 207                 }
 208                 else {
 209                         FlushStrBuf(Msg->reply_to);
 210                         StrBufAppendBuf(Msg->reply_to, Msg->Rfca, 0);
 211                 }
 212         }
 213         else
 214         {
 215                 if ((StrLength(Msg->OtherNode)>0) &&
 216                     (strcasecmp(ChrPtr(Msg->OtherNode), serv_info.serv_nodename)) &&
 217                     (strcasecmp(ChrPtr(Msg->OtherNode), serv_info.serv_humannode)) )
 218                 {
 219                         if (Msg->reply_to == NULL)
 220                                 Msg->reply_to = NewStrBuf();
 221                         StrBufPrintf(Msg->reply_to,
 222                                      "%s @ %s",
 223                                      ChrPtr(Msg->from),
 224                                      ChrPtr(Msg->OtherNode));
 225                 }
 226                 else {
 227                         if (Msg->reply_to == NULL)
 228                                 Msg->reply_to = NewStrBuf();
 229                         FlushStrBuf(Msg->reply_to);
 230                         StrBufAppendBuf(Msg->reply_to, Msg->from, 0);
 231                 }
 232         }
 233
 234         /* now check if we need to translate some mimeparts, and remove the duplicate */
 235         it = GetNewHashPos(Msg->AllAttach, 0);
 236         while (GetNextHashPos(Msg->AllAttach, it, &len, &Key, &vMime) &&
 237                (vMime != NULL)) {
 238                 wc_mime_attachment *Mime = (wc_mime_attachment*) vMime;
 239                 evaluate_mime_part(Msg, Mime);
 240         }
 241         DeleteHashPos(&it);
 242
 243         DoTemplate(tmpl, tmpllen, Target, Msg, CTX_MAILSUM);
 244
 245         DestroyMessageSummary(Msg);
 246         FreeStrBuf(&FoundCharset);
 247         FreeStrBuf(&HdrToken);
 248         FreeStrBuf(&Buf);
 249         return 1;
 250 }
 251
 252
 253
 254 /*
 255  * Unadorned HTML output of an individual message, suitable
 256  * for placing in a hidden iframe, for printing, or whatever
 257  *
 258  * msgnum_as_string == Message number, as a string instead of as a long int
 259  */
 260 void embed_message(void) {
 261         long msgnum = 0L;
 262         const StrBuf *Tmpl = sbstr("template");
 263
 264         msgnum = StrTol(WC->UrlFragment2);
 265         if (StrLength(Tmpl) > 0)
 266                 read_message(WC->WBuf, SKEY(Tmpl), msgnum, 0, NULL);
 267         else
 268                 read_message(WC->WBuf, HKEY("view_message"), msgnum, 0, NULL);
 269 }
 270
 271
 272 /*
 273  * Printable view of a message
 274  *
 275  * msgnum_as_string == Message number, as a string instead of as a long int
 276  */
 277 void print_message(void) {
 278         long msgnum = 0L;
 279
 280         msgnum = StrTol(WC->UrlFragment2);
 281         output_headers(0, 0, 0, 0, 0, 0);
 282
 283         hprintf("Content-type: text/html\r\n"
 284                 "Server: " PACKAGE_STRING "\r\n"
 285                 "Connection: close\r\n");
 286
 287         begin_burst();
 288
 289         read_message(WC->WBuf, HKEY("view_message_print"), msgnum, 1, NULL);
 290
 291         wDumpContent(0);
 292 }
 293
 294 /*
 295  * Mobile browser view of message
 296  *
 297  * @param msg_num_as_string Message number as a string instead of as a long int
 298  */
 299 void mobile_message_view(void) {
 300   long msgnum = 0L;
 301   msgnum = StrTol(WC->UrlFragment2);
 302   output_headers(1, 0, 0, 0, 0, 1);
 303   begin_burst();
 304   do_template("msgcontrols", NULL);
 305   read_message(WC->WBuf, HKEY("view_message"), msgnum,1, NULL);
 306   wDumpContent(0);
 307 }
 308
 309 /**
 310  * \brief Display a message's headers
 311  *
 312  * \param msgnum_as_string Message number, as a string instead of as a long int
 313  */
 314 void display_headers(void) {
 315         long msgnum = 0L;
 316         char buf[1024];
 317
 318         msgnum = StrTol(WC->UrlFragment2);
 319         output_headers(0, 0, 0, 0, 0, 0);
 320
 321         hprintf("Content-type: text/plain\r\n"
 322                 "Server: %s\r\n"
 323                 "Connection: close\r\n",
 324                 PACKAGE_STRING);
 325         begin_burst();
 326
 327         serv_printf("MSG2 %ld|3", msgnum);
 328         serv_getln(buf, sizeof buf);
 329         if (buf[0] == '1') {
 330                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 331                         wprintf("%s\n", buf);
 332                 }
 333         }
 334
 335         wDumpContent(0);
 336 }
 337
 338
 339 message_summary *ReadOneMessageSummary(StrBuf *RawMessage, const char *DefaultSubject, long MsgNum)
 340 {
 341         void                 *vEval;
 342         MsgPartEvaluatorStruct  *Eval;
 343         message_summary      *Msg;
 344         StrBuf *Buf;
 345         const char *buf;
 346         const char *ebuf;
 347         int nBuf;
 348         long len;
 349
 350         Buf = NewStrBuf();
 351
 352         serv_printf("MSG0 %ld|1", MsgNum);      /* ask for headers only */
 353
 354         StrBuf_ServGetln(Buf);
 355         if (GetServerStatus(Buf, NULL) == 1) {
 356                 FreeStrBuf(&Buf);
 357                 return NULL;
 358         }
 359
 360         Msg = (message_summary*)malloc(sizeof(message_summary));
 361         memset(Msg, 0, sizeof(message_summary));
 362         while (len = StrBuf_ServGetln(Buf),
 363                ((len != 3)  ||
 364                 strcmp(ChrPtr(Buf), "000")== 0)){
 365                 buf = ChrPtr(Buf);
 366                 ebuf = strchr(ChrPtr(Buf), '=');
 367                 nBuf = ebuf - buf;
 368                 if (GetHash(MsgEvaluators, buf, nBuf, &vEval) && vEval != NULL) {
 369                         Eval = (MsgPartEvaluatorStruct*) vEval;
 370                         StrBufCutLeft(Buf, nBuf + 1);
 371                         Eval->f(Msg, Buf);
 372                 }
 373                 else lprintf(1, "Don't know how to handle Message Headerline [%s]", ChrPtr(Buf));
 374         }
 375         return Msg;
 376 }
 377
 378
 379
 380
 381
 382 /*
 383  * load message pointers from the server for a "read messages" operation
 384  *
 385  * servcmd:             the citadel command to send to the citserver
 386  * with_headers:        also include some of the headers with the message numbers (more expensive)
 387  */
 388 int load_msg_ptrs(char *servcmd, int with_headers)
 389 {
 390         StrBuf* FoundCharset = NULL;
 391         wcsession *WCC = WC;
 392         message_summary *Msg;
 393         StrBuf *Buf, *Buf2;
 394         int nummsgs = 0;
 395         int maxload = 0;
 396         long len;
 397         int n;
 398         int skipit;
 399
 400         if (WCC->summ != NULL) {
 401                 if (WCC->summ != NULL)
 402                         DeleteHash(&WCC->summ);
 403         }
 404         WCC->summ = NewHash(1, Flathash);
 405         maxload = 10000;
 406
 407         Buf = NewStrBuf();
 408         serv_puts(servcmd);
 409         StrBuf_ServGetln(Buf);
 410         if (GetServerStatus(Buf, NULL) != 1) {
 411                 FreeStrBuf(&Buf);
 412                 return (nummsgs);
 413         }
 414         Buf2 = NewStrBuf();
 415         while (len = StrBuf_ServGetln(Buf),
 416                ((len != 3)  ||
 417                 strcmp(ChrPtr(Buf), "000")!= 0))
 418         {
 419                 if (nummsgs < maxload) {
 420                         skipit = 0;
 421                         Msg = (message_summary*)malloc(sizeof(message_summary));
 422                         memset(Msg, 0, sizeof(message_summary));
 423
 424                         Msg->msgnum = StrBufExtract_long(Buf, 0, '|');
 425                         Msg->date = StrBufExtract_long(Buf, 1, '|');
 426                         /*
 427                          * as citserver probably gives us messages in forward date sorting
 428                          * nummsgs should be the same order as the message date.
 429                          */
 430                         if (Msg->date == 0) {
 431                                 Msg->date = nummsgs;
 432                                 if (StrLength(Buf) < 32)
 433                                         skipit = 1;
 434                         }
 435                         if (!skipit) {
 436                                 Msg->from = NewStrBufPlain(NULL, StrLength(Buf));
 437                                 StrBufExtract_token(Buf2, Buf, 2, '|');
 438                                 if (StrLength(Buf2) != 0) {
 439                                         /** Handle senders with RFC2047 encoding */
 440                                         StrBuf_RFC822_to_Utf8(Msg->from, Buf2, WCC->DefaultCharset, FoundCharset);
 441                                 }
 442
 443                                 /** Nodename */
 444                                 StrBufExtract_token(Buf2, Buf, 3, '|');
 445                                 if ((StrLength(Buf2) !=0 ) &&
 446                                     ( ((WCC->room_flags & QR_NETWORK)
 447                                        || ((strcasecmp(ChrPtr(Buf2), serv_info.serv_nodename)
 448                                             && (strcasecmp(ChrPtr(Buf2), serv_info.serv_fqdn)))))))
 449                                 {
 450                                         StrBufAppendBufPlain(Msg->from, HKEY(" @ "), 0);
 451                                         StrBufAppendBuf(Msg->from, Buf2, 0);
 452                                 }
 453
 454                                 /** Not used:
 455                                     StrBufExtract_token(Msg->inetaddr, Buf, 4, '|');
 456                                 */
 457
 458                                 Msg->subj = NewStrBufPlain(NULL, StrLength(Buf));
 459                                 StrBufExtract_token(Buf2,  Buf, 5, '|');
 460                                 if (StrLength(Buf2) == 0)
 461                                         StrBufAppendBufPlain(Msg->subj, _("(no subj)"), -1,0);
 462                                 else {
 463                                         StrBuf_RFC822_to_Utf8(Msg->subj, Buf2, WCC->DefaultCharset, FoundCharset);
 464                                         if ((StrLength(Msg->subj) > 75) &&
 465                                             (StrBuf_Utf8StrLen(Msg->subj) > 75)) {
 466                                                 StrBuf_Utf8StrCut(Msg->subj, 72);
 467                                                 StrBufAppendBufPlain(Msg->subj, HKEY("..."), 0);
 468                                         }
 469                                 }
 470
 471
 472                                 if ((StrLength(Msg->from) > 25) &&
 473                                     (StrBuf_Utf8StrLen(Msg->from) > 25)) {
 474                                         StrBuf_Utf8StrCut(Msg->from, 23);
 475                                         StrBufAppendBufPlain(Msg->from, HKEY("..."), 0);
 476                                 }
 477                         }
 478                         n = Msg->msgnum;
 479                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 480                 }
 481                 nummsgs++;
 482         }
 483         FreeStrBuf(&Buf2);
 484         FreeStrBuf(&Buf);
 485         return (nummsgs);
 486 }
 487
 488
 489 inline message_summary* GetMessagePtrAt(int n, HashList *Summ)
 490 {
 491         const char *Key;
 492         long HKLen;
 493         void *vMsg;
 494
 495         if (Summ == NULL)
 496                 return NULL;
 497         GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
 498         return (message_summary*) vMsg;
 499 }
 500
 501
 502 long DrawMessageDropdown(StrBuf *Selector, long maxmsgs, long startmsg, int nMessages)
 503 {
 504         StrBuf *TmpBuf;
 505         wcsession *WCC = WC;
 506         void *vMsg;
 507         int lo, hi;
 508         long ret;
 509         long hklen;
 510         const char *key;
 511         int done = 0;
 512         int nItems;
 513         HashPos *At;
 514         long vector[16];
 515
 516         TmpBuf = NewStrBuf();
 517         At = GetNewHashPos(WCC->summ, nMessages);
 518         nItems = GetCount(WCC->summ);
 519         ret = nMessages;
 520         vector[0] = 7;
 521         vector[2] = 1;
 522         vector[1] = startmsg;
 523         vector[3] = 0;
 524
 525         while (!done) {
 526                 vector[3] = abs(nMessages);
 527                 lo = GetHashPosCounter(At);
 528                 if (nMessages > 0) {
 529                         if (lo + nMessages >= nItems) {
 530                                 hi = nItems - 1;
 531                                 vector[3] = nItems - lo;
 532                                 if (startmsg == lo)
 533                                         ret = vector[3];
 534                         }
 535                         else {
 536                                 hi = lo + nMessages - 1;
 537                         }
 538                 } else {
 539                         if (lo + nMessages < -1) {
 540                                 hi = 0;
 541                         }
 542                         else {
 543                                 if ((lo % abs(nMessages)) != 0) {
 544                                         int offset = (lo % abs(nMessages) *
 545                                                       (nMessages / abs(nMessages)));
 546                                         hi = lo + offset;
 547                                         vector[3] = abs(offset);
 548                                         if (startmsg == lo)
 549                                                  ret = offset;
 550                                 }
 551                                 else
 552                                         hi = lo + nMessages;
 553                         }
 554                 }
 555                 done = !GetNextHashPos(WCC->summ, At, &hklen, &key, &vMsg);
 556
 557                 /**
 558                  * Bump these because although we're thinking in zero base, the user
 559                  * is a drooling idiot and is thinking in one base.
 560                  */
 561                 vector[4] = lo + 1;
 562                 vector[5] = hi + 1;
 563                 vector[6] = lo;
 564                 FlushStrBuf(TmpBuf);
 565                 dbg_print_longvector(vector);
 566                 DoTemplate(HKEY("select_messageindex"), TmpBuf, &vector, CTX_LONGVECTOR);
 567                 StrBufAppendBuf(Selector, TmpBuf, 0);
 568         }
 569         vector[6] = 0;
 570         FlushStrBuf(TmpBuf);
 571         vector[1] = lbstr("maxmsgs") == 9999999;
 572         vector[2] = 0;
 573         dbg_print_longvector(vector);
 574         DoTemplate(HKEY("select_messageindex_all"), TmpBuf, &vector, CTX_LONGVECTOR);
 575         StrBufAppendBuf(Selector, TmpBuf, 0);
 576         FreeStrBuf(&TmpBuf);
 577         DeleteHashPos(&At);
 578         return ret;
 579 }
 580
 581 void load_seen_flags(void)
 582 {
 583         message_summary *Msg;
 584         const char *HashKey;
 585         long HKLen;
 586         HashPos *at;
 587         void *vMsg;
 588         StrBuf *OldMsg;
 589         wcsession *WCC = WC;
 590
 591         OldMsg = NewStrBuf();
 592         serv_puts("GTSN");
 593         StrBuf_ServGetln(OldMsg);
 594         if (ChrPtr(OldMsg)[0] == '2') {
 595                 StrBufCutLeft(OldMsg, 4);
 596         }
 597         else {
 598                 FreeStrBuf(&OldMsg);
 599                 return;
 600         }
 601         at = GetNewHashPos(WCC->summ, 0);
 602         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 603                 /** Are you a new message, or an old message? */
 604                 Msg = (message_summary*) vMsg;
 605                 if (is_msg_in_mset(ChrPtr(OldMsg), Msg->msgnum)) {
 606                         Msg->is_new = 0;
 607                 }
 608                 else {
 609                         Msg->is_new = 1;
 610                 }
 611         }
 612         FreeStrBuf(&OldMsg);
 613         DeleteHashPos(&at);
 614 }
 615
 616 extern readloop_struct rlid[];
 617
 618 /*
 619  * command loop for reading messages
 620  *
 621  * Set oper to "readnew" or "readold" or "readfwd" or "headers"
 622  */
 623 void readloop(long oper)
 624 {
 625         StrBuf *MessageDropdown = NULL;
 626         StrBuf *BBViewToolBar = NULL;
 627         void *vMsg;
 628         message_summary *Msg;
 629         char cmd[256] = "";
 630         char buf[SIZ];
 631         int a = 0;
 632         int with_headers = 0;
 633         int nummsgs;
 634         long startmsg = 0;
 635         int maxmsgs = 0;
 636         long *displayed_msgs = NULL;
 637         int num_displayed = 0;
 638         int is_singlecard = 0;
 639         struct calview calv;
 640         int i;
 641         int lowest_displayed = (-1);
 642         int highest_displayed = 0;
 643         addrbookent *addrbook = NULL;
 644         int num_ab = 0;
 645         int bbs_reverse = 0;
 646         wcsession *WCC = WC;
 647         HashPos *at;
 648         const char *HashKey;
 649         long HKLen;
 650         int care_for_empty_list = 0;
 651         int load_seen = 0;
 652         int sortit = 0;
 653         int defaultsortorder = 0;
 654
 655         if (havebstr("is_summary") && (1 == (ibstr("is_summary"))))
 656                 WCC->wc_view = VIEW_MAILBOX;
 657
 658         switch (WCC->wc_view) {
 659         case VIEW_WIKI:
 660                 sprintf(buf, "wiki?room=%s&page=home", WCC->wc_roomname);
 661                 http_redirect(buf);
 662                 return;
 663         case VIEW_CALBRIEF:
 664         case VIEW_CALENDAR:
 665                 load_seen = 1;
 666                 strcpy(cmd, "MSGS ALL|||1");
 667                 maxmsgs = 32767;
 668                 parse_calendar_view_request(&calv);
 669                 break;
 670         case VIEW_TASKS:
 671                 strcpy(cmd, "MSGS ALL");
 672                 maxmsgs = 32767;
 673                 break;
 674         case VIEW_NOTES:
 675                 strcpy(cmd, "MSGS ALL");
 676                 maxmsgs = 32767;
 677                 wprintf("<div id=\"new_notes_here\"></div>\n");
 678                 break;
 679         case VIEW_ADDRESSBOOK:
 680                 is_singlecard = ibstr("is_singlecard");
 681                 if (is_singlecard != 1) {
 682                         if (oper == do_search) {
 683                                 snprintf(cmd, sizeof(cmd), "MSGS SEARCH|%s", bstr("query"));
 684                         }
 685                         else {
 686                                 strcpy(cmd, "MSGS ALL");
 687                         }
 688                         maxmsgs = 9999999;
 689                         break;
 690                 }
 691                 break;
 692         case VIEW_MAILBOX:
 693                 defaultsortorder = 2;
 694                 sortit = 1;
 695                 load_seen = 1;
 696                 care_for_empty_list = 1;
 697                 with_headers = 1;
 698                 if (WCC->is_mobile) maxmsgs = 20;
 699                 else maxmsgs = 9999999;
 700                 snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 701                          (oper == do_search) ? "SEARCH" : "ALL",
 702                          (oper == do_search) ? bstr("query") : ""
 703                         );
 704                 break;
 705         case VIEW_BBS:
 706         default:
 707                 defaultsortorder = 1;
 708                 startmsg = -1;
 709                 sortit = 1;
 710                 care_for_empty_list = 1;
 711
 712                 rlid[oper].cmd(cmd, sizeof(cmd));
 713                 SetAccessCommand(oper);
 714
 715                 if (havebstr("maxmsgs"))
 716                         maxmsgs = ibstr("maxmsgs");
 717                 if (maxmsgs == 0) maxmsgs = DEFAULT_MAXMSGS;
 718
 719                 if (havebstr("startmsg")) {
 720                         startmsg = lbstr("startmsg");
 721                 }
 722
 723         }
 724         output_headers(1, 1, 1, 0, 0, 0);
 725
 726         nummsgs = load_msg_ptrs(cmd, with_headers);
 727         if (nummsgs == 0) {
 728                 if (care_for_empty_list) {
 729                         wprintf("<div align=\"center\"><br /><em>");
 730                         switch (oper) {
 731                         case readnew:
 732                                 wprintf(_("No new messages."));
 733                                 break;
 734                         case readold:
 735                                 wprintf(_("No old messages."));
 736                                 break;
 737                         default:
 738                                 wprintf(_("No messages here."));
 739                         }
 740                         wprintf("</em><br /></div>\n");
 741                 }
 742
 743                 goto DONE;
 744         }
 745
 746         if (sortit) {
 747                 CompareFunc SortIt;
 748                 SortIt =  RetrieveSort(CTX_MAILSUM, NULL,
 749                                        HKEY("date"), defaultsortorder);
 750                 if (SortIt != NULL)
 751                         SortByPayload(WCC->summ, SortIt);
 752                 if (WCC->wc_view == VIEW_BBS) {
 753                         if (lbstr("SortOrder") == 2) {
 754                                 bbs_reverse = 1;
 755                                 num_displayed = -DEFAULT_MAXMSGS;
 756                         }
 757                         else {
 758                                 bbs_reverse = 0;
 759                                 num_displayed = DEFAULT_MAXMSGS;
 760                         }
 761                 }
 762         }
 763         if (startmsg < 0) startmsg = (bbs_reverse) ? nummsgs - 1 : 0;
 764
 765         if (load_seen) load_seen_flags();
 766
 767         /**
 768          * If we're to print s.th. above the message list...
 769          */
 770         switch (WCC->wc_view) {
 771         case VIEW_MAILBOX:
 772                 do_template("summary_header", NULL);
 773                 break;
 774         case VIEW_BBS:
 775                 BBViewToolBar = NewStrBuf();
 776                 MessageDropdown = NewStrBuf();
 777
 778                 maxmsgs = DrawMessageDropdown(MessageDropdown, maxmsgs, startmsg, num_displayed);
 779                 if (num_displayed < 0) {
 780                         startmsg += maxmsgs;
 781                         if (num_displayed != maxmsgs)
 782                                 maxmsgs = abs(maxmsgs) + 1;
 783                         else
 784                                 maxmsgs = abs(maxmsgs);
 785
 786                 }
 787                 DoTemplate(HKEY("msg_listselector_top"), BBViewToolBar, MessageDropdown, CTX_STRBUF);
 788                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 789                 FlushStrBuf(BBViewToolBar);
 790                 break;
 791         }
 792
 793         /*
 794          * iterate over each message. if we need to load an attachment, do it here.
 795          */
 796         at = GetNewHashPos(WCC->summ, 0);
 797         num_displayed = i = 0;
 798         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 799                 Msg = (message_summary*) vMsg;
 800                 if ((Msg->msgnum >= startmsg) && (num_displayed <= maxmsgs)) {
 801                         switch (WCC->wc_view) {
 802                         case VIEW_WIKI:
 803                                 break;
 804                         case VIEW_CALBRIEF: /* load the mime attachments for special tasks... */
 805                         case VIEW_CALENDAR:
 806                                 load_calendar_item(Msg, Msg->is_new, &calv);
 807                                 break;
 808                         case VIEW_TASKS:
 809                                 display_task(Msg, Msg->is_new);
 810                                 break;
 811                         case VIEW_NOTES:
 812                                 display_note(Msg, Msg->is_new);
 813                                 break;
 814                         case VIEW_ADDRESSBOOK:
 815                                 fetch_ab_name(Msg, buf);
 816                                 ++num_ab;
 817                                 addrbook = realloc(addrbook,
 818                                                    (sizeof(addrbookent) * num_ab) );
 819                                 safestrncpy(addrbook[num_ab-1].ab_name, buf,
 820                                             sizeof(addrbook[num_ab-1].ab_name));
 821                                 addrbook[num_ab-1].ab_msgnum = Msg->msgnum;
 822                                 break;
 823                         case VIEW_MAILBOX: /* here we just need the abstract, so render it now. */
 824                                 DoTemplate(HKEY("section_mailsummary"), NULL, Msg, CTX_MAILSUM);
 825
 826                                 num_displayed++;
 827                                 break;
 828                         case VIEW_BBS: /* Tag the mails we want to show in bbview... */
 829                         default:
 830                                 if (displayed_msgs == NULL) {
 831                                         displayed_msgs = malloc(sizeof(long) *
 832                                                                 (maxmsgs<nummsgs ? maxmsgs + 1 : nummsgs + 1));
 833                                 }
 834                                 if ((i >= startmsg) && (i < startmsg + maxmsgs)) {
 835                                         displayed_msgs[num_displayed] = Msg->msgnum;
 836                                         if (lowest_displayed < 0) lowest_displayed = a;
 837                                         highest_displayed = a;
 838
 839                                         num_displayed++;
 840                                 }
 841                         }
 842                 }
 843                 i++;
 844         }
 845         DeleteHashPos(&at);
 846
 847
 848         /*
 849          * Done iterating the message list. now tasks we want to do after.
 850          */
 851         switch (WCC->wc_view) {
 852         case VIEW_MAILBOX:
 853                 do_template("summary_trailer", NULL);
 854                 break;
 855         case VIEW_BBS:
 856                 if (displayed_msgs != NULL) {
 857                         /** if we do a split bbview in the future, begin messages div here */
 858
 859                         for (a=0; a<num_displayed; ++a) {
 860                                 read_message(WCC->WBuf, HKEY("view_message"), displayed_msgs[a], 0, NULL);
 861                         }
 862
 863                         /** if we do a split bbview in the future, end messages div here */
 864
 865                         free(displayed_msgs);
 866                         displayed_msgs = NULL;
 867                 }
 868                 DoTemplate(HKEY("msg_listselector_bottom"), BBViewToolBar, MessageDropdown, CTX_STRBUF);
 869                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 870
 871                 FreeStrBuf(&BBViewToolBar);
 872                 FreeStrBuf(&MessageDropdown);
 873         }
 874
 875
 876 DONE:
 877         switch (WCC->wc_view) {
 878         case VIEW_WIKI:
 879                 break;
 880         case VIEW_CALBRIEF:
 881         case VIEW_CALENDAR:
 882                 render_calendar_view(&calv);
 883                 break;
 884         case VIEW_TASKS:
 885                 do_tasks_view();        /** Render the task list */
 886                 break;
 887         case VIEW_NOTES:
 888                 break;
 889         case VIEW_ADDRESSBOOK:
 890                 do_addrbook_view(addrbook, num_ab);     /** Render the address book */
 891                 break;
 892         case VIEW_MAILBOX:
 893         case VIEW_BBS:
 894         default:
 895                 break;
 896         }
 897         /** Note: wDumpContent() will output one additional </div> tag. */
 898         wprintf("</div>\n");            /** end of 'content' div */
 899         wDumpContent(1);
 900
 901         /** free the summary */
 902         if (WCC->summ != NULL) {
 903                 DeleteHash(&WCC->summ);
 904         }
 905         if (addrbook != NULL) free(addrbook);
 906         FreeStrBuf(&BBViewToolBar);
 907 }
 908
 909
 910 /*
 911  * Back end for post_message()
 912  * ... this is where the actual message gets transmitted to the server.
 913  */
 914 void post_mime_to_server(void) {
 915         wcsession *WCC = WC;
 916         char top_boundary[SIZ];
 917         char alt_boundary[SIZ];
 918         int is_multipart = 0;
 919         static int seq = 0;
 920         wc_mime_attachment *att;
 921         char *encoded;
 922         size_t encoded_length;
 923         size_t encoded_strlen;
 924         char *txtmail = NULL;
 925
 926         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
 927                 serv_info.serv_fqdn,
 928                 getpid(),
 929                 ++seq
 930         );
 931         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
 932                 serv_info.serv_fqdn,
 933                 getpid(),
 934                 ++seq
 935         );
 936
 937         /* RFC2045 requires this, and some clients look for it... */
 938         serv_puts("MIME-Version: 1.0");
 939         serv_puts("X-Mailer: " PACKAGE_STRING);
 940
 941         /* If there are attachments, we have to do multipart/mixed */
 942         if (GetCount(WCC->attachments) > 0) {
 943                 is_multipart = 1;
 944         }
 945
 946         if (is_multipart) {
 947                 /* Remember, serv_printf() appends an extra newline */
 948                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
 949                 serv_printf("This is a multipart message in MIME format.\n");
 950                 serv_printf("--%s", top_boundary);
 951         }
 952
 953         /* Remember, serv_printf() appends an extra newline */
 954         serv_printf("Content-type: multipart/alternative; "
 955                 "boundary=\"%s\"\n", alt_boundary);
 956         serv_printf("This is a multipart message in MIME format.\n");
 957         serv_printf("--%s", alt_boundary);
 958
 959         serv_puts("Content-type: text/plain; charset=utf-8");
 960         serv_puts("Content-Transfer-Encoding: quoted-printable");
 961         serv_puts("");
 962         txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
 963         text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
 964         free(txtmail);
 965
 966         serv_printf("--%s", alt_boundary);
 967
 968         serv_puts("Content-type: text/html; charset=utf-8");
 969         serv_puts("Content-Transfer-Encoding: quoted-printable");
 970         serv_puts("");
 971         serv_puts("<html><body>\r\n");
 972         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
 973         serv_puts("</body></html>\r\n");
 974
 975         serv_printf("--%s--", alt_boundary);
 976
 977         if (is_multipart) {
 978                 long len;
 979                 const char *Key;
 980                 void *vAtt;
 981                 HashPos  *it;
 982
 983                 /* Add in the attachments */
 984                 it = GetNewHashPos(WCC->attachments, 0);
 985                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
 986                         att = (wc_mime_attachment *)vAtt;
 987                         encoded_length = ((att->length * 150) / 100);
 988                         encoded = malloc(encoded_length);
 989                         if (encoded == NULL) break;
 990                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
 991
 992                         serv_printf("--%s", top_boundary);
 993                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
 994                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
 995                         serv_puts("Content-transfer-encoding: base64");
 996                         serv_puts("");
 997                         serv_write(encoded, encoded_strlen);
 998                         serv_puts("");
 999                         serv_puts("");
1000                         free(encoded);
1001                 }
1002                 serv_printf("--%s--", top_boundary);
1003                 DeleteHashPos(&it);
1004         }
1005
1006         serv_puts("000");
1007 }
1008
1009
1010 /*
1011  * Post message (or don't post message)
1012  *
1013  * Note regarding the "dont_post" variable:
1014  * A random value (actually, it's just a timestamp) is inserted as a hidden
1015  * field called "postseq" when the display_enter page is generated.  This
1016  * value is checked when posting, using the static variable dont_post.  If a
1017  * user attempts to post twice using the same dont_post value, the message is
1018  * discarded.  This prevents the accidental double-saving of the same message
1019  * if the user happens to click the browser "back" button.
1020  */
1021 void post_message(void)
1022 {
1023         char buf[1024];
1024         StrBuf *encoded_subject = NULL;
1025         static long dont_post = (-1L);
1026         wc_mime_attachment  *att;
1027         int is_anonymous = 0;
1028         const StrBuf *display_name = NULL;
1029         wcsession *WCC = WC;
1030
1031         if (havebstr("force_room")) {
1032                 gotoroom(bstr("force_room"));
1033         }
1034
1035         if (havebstr("display_name")) {
1036                 display_name = sbstr("display_name");
1037                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1038                         display_name = NULL;
1039                         is_anonymous = 1;
1040                 }
1041         }
1042
1043         if (WCC->upload_length > 0) {
1044                 const char *pch;
1045                 int n;
1046                 char N[64];
1047
1048                 lprintf(9, "%s:%d: we are uploading %d bytes\n", __FILE__, __LINE__, WCC->upload_length);
1049                 /** There's an attachment.  Save it to this struct... */
1050                 att = malloc(sizeof(wc_mime_attachment));
1051                 memset(att, 0, sizeof(wc_mime_attachment ));
1052                 att->length = WCC->upload_length;
1053                 att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1054                 att->FileName = NewStrBufPlain(WCC->upload_filename, -1);
1055
1056
1057                 if (WCC->attachments == NULL)
1058                         WCC->attachments = NewHash(1, NULL);
1059                 /* And add it to the list. */
1060                 n = snprintf(N, sizeof N, "%d", GetCount(WCC->attachments) + 1);
1061                 Put(WCC->attachments, N, n, att, DestroyMime);
1062
1063                 /**
1064                  * Mozilla sends a simple filename, which is what we want,
1065                  * but Satan's Browser sends an entire pathname.  Reduce
1066                  * the path to just a filename if we need to.
1067                  */
1068                 pch = strrchr(ChrPtr(att->FileName), '/');
1069                 if (pch != NULL) {
1070                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1071                 }
1072                 pch = strrchr(ChrPtr(att->FileName), '\\');
1073                 if (pch != NULL) {
1074                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1075                 }
1076
1077                 /**
1078                  * Transfer control of this memory from the upload struct
1079                  * to the attachment struct.
1080                  */
1081                 att->Data = NewStrBufPlain(WCC->upload, WCC->upload_length);
1082                 free(WCC->upload);
1083                 WCC->upload_length = 0;
1084                 WCC->upload = NULL;
1085                 display_enter();
1086                 return;
1087         }
1088
1089         if (havebstr("cancel_button")) {
1090                 sprintf(WCC->ImportantMessage,
1091                         _("Cancelled.  Message was not posted."));
1092         } else if (havebstr("attach_button")) {
1093                 display_enter();
1094                 return;
1095         } else if (lbstr("postseq") == dont_post) {
1096                 sprintf(WCC->ImportantMessage,
1097                         _("Automatically cancelled because you have already "
1098                         "saved this message."));
1099         } else {
1100                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1101                 const StrBuf *Recp = NULL;
1102                 const StrBuf *Cc = NULL;
1103                 const StrBuf *Bcc = NULL;
1104                 const StrBuf *Wikipage = NULL;
1105                 const StrBuf *my_email_addr = NULL;
1106                 StrBuf *CmdBuf = NULL;
1107                 StrBuf *references = NULL;
1108
1109                 if (havebstr("references"))
1110                 {
1111                         const StrBuf *ref = sbstr("references");
1112                         references = NewStrBufPlain(ChrPtr(ref), StrLength(ref));
1113                         lprintf(9, "Converting: %s\n", ChrPtr(references));
1114                         StrBufReplaceChars(references, '|', '!');
1115                         lprintf(9, "Converted: %s\n", ChrPtr(references));
1116                 }
1117                 if (havebstr("subject")) {
1118                         const StrBuf *Subj;
1119                         /*
1120                          * make enough room for the encoded string;
1121                          * plus the QP header
1122                          */
1123                         Subj = sbstr("subject");
1124
1125                         StrBufRFC2047encode(&encoded_subject, Subj);
1126                 }
1127                 Recp = sbstr("recp");
1128                 Cc = sbstr("cc");
1129                 Bcc = sbstr("bcc");
1130                 Wikipage = sbstr("wikipage");
1131                 my_email_addr = sbstr("my_email_addr");
1132
1133                 CmdBuf = NewStrBufPlain(NULL,
1134                                         sizeof (CMD) +
1135                                         StrLength(Recp) +
1136                                         StrLength(encoded_subject) +
1137                                         StrLength(Cc) +
1138                                         StrLength(Bcc) +
1139                                         StrLength(Wikipage) +
1140                                         StrLength(my_email_addr) +
1141                                         StrLength(references));
1142
1143                 StrBufPrintf(CmdBuf,
1144                              CMD,
1145                              ChrPtr(Recp),
1146                              is_anonymous,
1147                              ChrPtr(encoded_subject),
1148                              ChrPtr(display_name),
1149                              ChrPtr(Cc),
1150                              ChrPtr(Bcc),
1151                              ChrPtr(Wikipage),
1152                              ChrPtr(my_email_addr),
1153                              ChrPtr(references));
1154                 FreeStrBuf(&references);
1155
1156                 lprintf(9, "%s\n", ChrPtr(CmdBuf));
1157                 serv_puts(ChrPtr(CmdBuf));
1158                 serv_getln(buf, sizeof buf);
1159                 FreeStrBuf(&CmdBuf);
1160                 FreeStrBuf(&encoded_subject);
1161                 if (buf[0] == '4') {
1162                         post_mime_to_server();
1163                         if (  (havebstr("recp"))
1164                            || (havebstr("cc"  ))
1165                            || (havebstr("bcc" ))
1166                         ) {
1167                                 sprintf(WCC->ImportantMessage, _("Message has been sent.\n"));
1168                         }
1169                         else {
1170                                 sprintf(WC->ImportantMessage, _("Message has been posted.\n"));
1171                         }
1172                         dont_post = lbstr("postseq");
1173                 } else {
1174                         lprintf(9, "%s:%d: server post error: %s\n", __FILE__, __LINE__, buf);
1175                         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1176                         display_enter();
1177                         return;
1178                 }
1179         }
1180
1181         DeleteHash(&WCC->attachments);
1182
1183         /**
1184          *  We may have been supplied with instructions regarding the location
1185          *  to which we must return after posting.  If found, go there.
1186          */
1187         if (havebstr("return_to")) {
1188                 http_redirect(bstr("return_to"));
1189         }
1190         /**
1191          *  If we were editing a page in a wiki room, go to that page now.
1192          */
1193         else if (havebstr("wikipage")) {
1194                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
1195                 http_redirect(buf);
1196         }
1197         /**
1198          *  Otherwise, just go to the "read messages" loop.
1199          */
1200         else {
1201                 readloop(readnew);
1202         }
1203 }
1204
1205
1206
1207
1208 /**
1209  * \brief display the message entry screen
1210  */
1211 void display_enter(void)
1212 {
1213         char buf[SIZ];
1214         long now;
1215         const StrBuf *display_name = NULL;
1216         int recipient_required = 0;
1217         int subject_required = 0;
1218         int recipient_bad = 0;
1219         int is_anonymous = 0;
1220         wcsession *WCC = WC;
1221
1222         now = time(NULL);
1223
1224         if (havebstr("force_room")) {
1225                 gotoroom(bstr("force_room"));
1226         }
1227
1228         display_name = sbstr("display_name");
1229         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1230                 display_name = NULL;
1231                 is_anonymous = 1;
1232         }
1233
1234         /** First test to see whether this is a room that requires recipients to be entered */
1235         serv_puts("ENT0 0");
1236         serv_getln(buf, sizeof buf);
1237
1238         if (!strncmp(buf, "570", 3)) {          /** 570 means that we need a recipient here */
1239                 recipient_required = 1;
1240         }
1241         else if (buf[0] != '2') {               /** Any other error means that we cannot continue */
1242                 sprintf(WCC->ImportantMessage, "%s", &buf[4]);
1243                 readloop(readnew);
1244                 return;
1245         }
1246
1247         /* Is the server strongly recommending that the user enter a message subject? */
1248         if ((buf[3] != '\0') && (buf[4] != '\0')) {
1249                 subject_required = extract_int(&buf[4], 1);
1250         }
1251
1252         /**
1253          * Are we perhaps in an address book view?  If so, then an "enter
1254          * message" command really means "add new entry."
1255          */
1256         if (WCC->wc_default_view == VIEW_ADDRESSBOOK) {
1257                 do_edit_vcard(-1, "", "", WCC->wc_roomname);
1258                 return;
1259         }
1260
1261         /*
1262          * Are we perhaps in a calendar room?  If so, then an "enter
1263          * message" command really means "add new calendar item."
1264          */
1265         if (WCC->wc_default_view == VIEW_CALENDAR) {
1266                 display_edit_event();
1267                 return;
1268         }
1269
1270         /*
1271          * Are we perhaps in a tasks view?  If so, then an "enter
1272          * message" command really means "add new task."
1273          */
1274         if (WCC->wc_default_view == VIEW_TASKS) {
1275                 display_edit_task();
1276                 return;
1277         }
1278
1279         /*
1280          * Otherwise proceed normally.
1281          * Do a custom room banner with no navbar...
1282          */
1283
1284         if (recipient_required) {
1285                 const StrBuf *Recp = NULL;
1286                 const StrBuf *Cc = NULL;
1287                 const StrBuf *Bcc = NULL;
1288                 const StrBuf *Wikipage = NULL;
1289                 StrBuf *CmdBuf = NULL;
1290                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1291
1292                 Recp = sbstr("recp");
1293                 Cc = sbstr("cc");
1294                 Bcc = sbstr("bcc");
1295                 Wikipage = sbstr("wikipage");
1296
1297                 CmdBuf = NewStrBufPlain(NULL,
1298                                         sizeof (CMD) +
1299                                         StrLength(Recp) +
1300                                         StrLength(display_name) +
1301                                         StrLength(Cc) +
1302                                         StrLength(Bcc) +
1303                                         StrLength(Wikipage));
1304
1305                 StrBufPrintf(CmdBuf,
1306                              CMD,
1307                              ChrPtr(Recp),
1308                              is_anonymous,
1309                              ChrPtr(display_name),
1310                              ChrPtr(Cc),
1311                              ChrPtr(Bcc),
1312                              ChrPtr(Wikipage));
1313                 serv_puts(ChrPtr(CmdBuf));
1314                 serv_getln(buf, sizeof buf);
1315                 FreeStrBuf(&CmdBuf);
1316
1317                 if (!strncmp(buf, "570", 3)) {  /** 570 means we have an invalid recipient listed */
1318                         if (havebstr("recp") &&
1319                             havebstr("cc"  ) &&
1320                             havebstr("bcc" )) {
1321                                 recipient_bad = 1;
1322                         }
1323                 }
1324                 else if (buf[0] != '2') {       /** Any other error means that we cannot continue */
1325                         wprintf("<em>%s</em><br />\n", &buf[4]);/*TODO -> important message */
1326                         return;
1327                 }
1328         }
1329         svputlong("RCPTREQUIRED", recipient_required);
1330         svputlong("SUBJREQUIRED", recipient_required || subject_required);
1331
1332         begin_burst();
1333         output_headers(1, 0, 0, 0, 1, 0);
1334         DoTemplate(HKEY("edit_message"), NULL, NULL, CTX_NONE);
1335         end_burst();
1336
1337         return;
1338 }
1339
1340 /**
1341  * \brief delete a message
1342  */
1343 void delete_msg(void)
1344 {
1345         long msgid;
1346         char buf[SIZ];
1347
1348         msgid = lbstr("msgid");
1349
1350         if (WC->wc_is_trash) {  /** Delete from Trash is a real delete */
1351                 serv_printf("DELE %ld", msgid);
1352         }
1353         else {                  /** Otherwise move it to Trash */
1354                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1355         }
1356
1357         serv_getln(buf, sizeof buf);
1358         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1359
1360         readloop(readnew);
1361 }
1362
1363
1364 /**
1365  * \brief move a message to another folder
1366  */
1367 void move_msg(void)
1368 {
1369         long msgid;
1370         char buf[SIZ];
1371
1372         msgid = lbstr("msgid");
1373
1374         if (havebstr("move_button")) {
1375                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1376                 serv_puts(buf);
1377                 serv_getln(buf, sizeof buf);
1378                 sprintf(WC->ImportantMessage, "%s", &buf[4]);
1379         } else {
1380                 sprintf(WC->ImportantMessage, (_("The message was not moved.")));
1381         }
1382
1383         readloop(readnew);
1384 }
1385
1386
1387
1388
1389
1390 /*
1391  * Confirm move of a message
1392  */
1393 void confirm_move_msg(void)
1394 {
1395         long msgid;
1396         char buf[SIZ];
1397         char targ[SIZ];
1398
1399         msgid = lbstr("msgid");
1400
1401
1402         output_headers(1, 1, 2, 0, 0, 0);
1403         wprintf("<div id=\"banner\">\n");
1404         wprintf("<h1>");
1405         wprintf(_("Confirm move of message"));
1406         wprintf("</h1>");
1407         wprintf("</div>\n");
1408
1409         wprintf("<div id=\"content\" class=\"service\">\n");
1410
1411         wprintf("<CENTER>");
1412
1413         wprintf(_("Move this message to:"));
1414         wprintf("<br />\n");
1415
1416         wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
1417         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
1418         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
1419
1420         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1421         serv_puts("LKRA");
1422         serv_getln(buf, sizeof buf);
1423         if (buf[0] == '1') {
1424                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1425                         extract_token(targ, buf, 0, '|', sizeof targ);
1426                         wprintf("<OPTION>");
1427                         escputs(targ);
1428                         wprintf("\n");
1429                 }
1430         }
1431         wprintf("</SELECT>\n");
1432         wprintf("<br />\n");
1433
1434         wprintf("<INPUT TYPE=\"submit\" NAME=\"move_button\" VALUE=\"%s\">", _("Move"));
1435         wprintf("&nbsp;");
1436         wprintf("<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">", _("Cancel"));
1437         wprintf("</form></CENTER>\n");
1438
1439         wprintf("</CENTER>\n");
1440         wDumpContent(1);
1441 }
1442
1443
1444 /*
1445  * Generic function to output an arbitrary MIME attachment from
1446  * message being composed
1447  *
1448  * partnum              The MIME part to be output
1449  * filename             Fake filename to give
1450  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1451  */
1452 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1453 {
1454         void *vPart;
1455         StrBuf *content_type;
1456         wc_mime_attachment *part;
1457
1458         if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
1459             (vPart != NULL)) {
1460                 part = (wc_mime_attachment*) vPart;
1461                 if (force_download) {
1462                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1463                 }
1464                 else {
1465                         content_type = NewStrBufDup(part->ContentType);
1466                 }
1467                 output_headers(0, 0, 0, 0, 0, 0);
1468                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1469                 http_transmit_thing(ChrPtr(content_type), 0);
1470         } else {
1471                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1472                 output_headers(0, 0, 0, 0, 0, 0);
1473                 hprintf("Content-Type: text/plain\r\n");
1474                 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
1475                         ChrPtr(partnum), ChrPtr(filename));
1476                 end_burst();
1477         }
1478         FreeStrBuf(&content_type);
1479 }
1480
1481
1482 /*
1483  * Generic function to output an arbitrary MIME part from an arbitrary
1484  * message number on the server.
1485  *
1486  * msgnum               Number of the item on the citadel server
1487  * partnum              The MIME part to be output
1488  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1489  */
1490 void mimepart(const char *msgnum, const char *partnum, int force_download)
1491 {
1492         char buf[256];
1493         off_t bytes;
1494         char content_type[256];
1495
1496         serv_printf("OPNA %s|%s", msgnum, partnum);
1497         serv_getln(buf, sizeof buf);
1498         if (buf[0] == '2') {
1499                 bytes = extract_long(&buf[4], 0);
1500                 if (force_download) {
1501                         strcpy(content_type, "application/octet-stream");
1502                 }
1503                 else {
1504                         extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1505                 }
1506                 output_headers(0, 0, 0, 0, 0, 0);
1507
1508                 read_server_binary(WC->WBuf, bytes);
1509                 serv_puts("CLOS");
1510                 serv_getln(buf, sizeof buf);
1511                 http_transmit_thing(content_type, 0);
1512         } else {
1513                 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1514                 output_headers(0, 0, 0, 0, 0, 0);
1515                 hprintf("Content-Type: text/plain\r\n");
1516                 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
1517                 end_burst();
1518         }
1519 }
1520
1521
1522 /*
1523  * Read any MIME part of a message, from the server, into memory.
1524  */
1525 char *load_mimepart(long msgnum, char *partnum)
1526 {
1527         char buf[SIZ];
1528         off_t bytes;
1529         char content_type[SIZ];
1530         char *content;
1531
1532         serv_printf("DLAT %ld|%s", msgnum, partnum);
1533         serv_getln(buf, sizeof buf);
1534         if (buf[0] == '6') {
1535                 bytes = extract_long(&buf[4], 0);
1536                 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1537
1538                 content = malloc(bytes + 2);
1539                 serv_read(content, bytes);
1540
1541                 content[bytes] = 0;     /* null terminate for good measure */
1542                 return(content);
1543         }
1544         else {
1545                 return(NULL);
1546         }
1547 }
1548
1549 /*
1550  * Read any MIME part of a message, from the server, into memory.
1551  */
1552 void MimeLoadData(wc_mime_attachment *Mime)
1553 {
1554         char buf[SIZ];
1555         off_t bytes;
1556 /* TODO: is there a chance the contenttype is different  to the one we know?     */
1557         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1558         serv_getln(buf, sizeof buf);
1559         if (buf[0] == '6') {
1560                 bytes = extract_long(&buf[4], 0);
1561
1562                 if (Mime->Data == NULL)
1563                         Mime->Data = NewStrBufPlain(NULL, bytes);
1564                 StrBuf_ServGetBLOB(Mime->Data, bytes);
1565
1566         }
1567         else {
1568                 FlushStrBuf(Mime->Data);
1569                 /* TODO XImportant message */
1570         }
1571 }
1572
1573
1574
1575
1576 void view_mimepart(void) {
1577         mimepart(ChrPtr(WC->UrlFragment2),
1578                  ChrPtr(WC->UrlFragment3),
1579                  0);
1580 }
1581
1582 void download_mimepart(void) {
1583         mimepart(ChrPtr(WC->UrlFragment2),
1584                  ChrPtr(WC->UrlFragment3),
1585                  1);
1586 }
1587
1588 void view_postpart(void) {
1589         postpart(WC->UrlFragment2,
1590                  WC->UrlFragment3,
1591                  0);
1592 }
1593
1594 void download_postpart(void) {
1595         postpart(WC->UrlFragment2,
1596                  WC->UrlFragment3,
1597                  1);
1598 }
1599
1600 void h_readnew(void) { readloop(readnew);}
1601 void h_readold(void) { readloop(readold);}
1602 void h_readfwd(void) { readloop(readfwd);}
1603 void h_headers(void) { readloop(headers);}
1604 void h_do_search(void) { readloop(do_search);}
1605
1606 void
1607 InitModule_MSG
1608 (void)
1609 {
1610         WebcitAddUrlHandler(HKEY("readnew"), h_readnew, NEED_URL);
1611         WebcitAddUrlHandler(HKEY("readold"), h_readold, NEED_URL);
1612         WebcitAddUrlHandler(HKEY("readfwd"), h_readfwd, NEED_URL);
1613         WebcitAddUrlHandler(HKEY("headers"), h_headers, NEED_URL);
1614         WebcitAddUrlHandler(HKEY("do_search"), h_do_search, 0);
1615         WebcitAddUrlHandler(HKEY("display_enter"), display_enter, 0);
1616         WebcitAddUrlHandler(HKEY("post"), post_message, 0);
1617         WebcitAddUrlHandler(HKEY("move_msg"), move_msg, 0);
1618         WebcitAddUrlHandler(HKEY("delete_msg"), delete_msg, 0);
1619         WebcitAddUrlHandler(HKEY("confirm_move_msg"), confirm_move_msg, 0);
1620         WebcitAddUrlHandler(HKEY("msg"), embed_message, NEED_URL|AJAX);
1621         WebcitAddUrlHandler(HKEY("printmsg"), print_message, NEED_URL);
1622         WebcitAddUrlHandler(HKEY("mobilemsg"), mobile_message_view, NEED_URL);
1623         WebcitAddUrlHandler(HKEY("msgheaders"), display_headers, NEED_URL);
1624
1625         WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1626         WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1627         WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1628         WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1629
1630         return ;
1631 }