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                 if (WCC->summ != NULL)
 406                         DeleteHash(&WCC->summ);
 407         }
 408         WCC->summ = NewHash(1, Flathash);
 409         maxload = 10000;
 410
 411         Buf = NewStrBuf();
 412         serv_puts(servcmd);
 413         StrBuf_ServGetln(Buf);
 414         if (GetServerStatus(Buf, NULL) != 1) {
 415                 FreeStrBuf(&Buf);
 416                 return (nummsgs);
 417         }
 418         Buf2 = NewStrBuf();
 419         while (len = StrBuf_ServGetln(Buf),
 420                ((len != 3)  ||
 421                 strcmp(ChrPtr(Buf), "000")!= 0))
 422         {
 423                 if (nummsgs < maxload) {
 424                         skipit = 0;
 425                         Msg = (message_summary*)malloc(sizeof(message_summary));
 426                         memset(Msg, 0, sizeof(message_summary));
 427
 428                         Msg->msgnum = StrBufExtract_long(Buf, 0, '|');
 429                         Msg->date = StrBufExtract_long(Buf, 1, '|');
 430                         /*
 431                          * as citserver probably gives us messages in forward date sorting
 432                          * nummsgs should be the same order as the message date.
 433                          */
 434                         if (Msg->date == 0) {
 435                                 Msg->date = nummsgs;
 436                                 if (StrLength(Buf) < 32)
 437                                         skipit = 1;
 438                         }
 439                         if (!skipit) {
 440                                 Msg->from = NewStrBufPlain(NULL, StrLength(Buf));
 441                                 StrBufExtract_token(Buf2, Buf, 2, '|');
 442                                 if (StrLength(Buf2) != 0) {
 443                                         /** Handle senders with RFC2047 encoding */
 444                                         StrBuf_RFC822_to_Utf8(Msg->from, Buf2, WCC->DefaultCharset, FoundCharset);
 445                                 }
 446
 447                                 /** Nodename */
 448                                 StrBufExtract_token(Buf2, Buf, 3, '|');
 449                                 if ((StrLength(Buf2) !=0 ) &&
 450                                     ( ((WCC->room_flags & QR_NETWORK)
 451                                        || ((strcasecmp(ChrPtr(Buf2), ChrPtr(serv_info.serv_nodename))
 452                                             && (strcasecmp(ChrPtr(Buf2), ChrPtr(serv_info.serv_fqdn))))))))
 453                                 {
 454                                         StrBufAppendBufPlain(Msg->from, HKEY(" @ "), 0);
 455                                         StrBufAppendBuf(Msg->from, Buf2, 0);
 456                                 }
 457
 458                                 /** Not used:
 459                                     StrBufExtract_token(Msg->inetaddr, Buf, 4, '|');
 460                                 */
 461
 462                                 Msg->subj = NewStrBufPlain(NULL, StrLength(Buf));
 463                                 StrBufExtract_token(Buf2,  Buf, 5, '|');
 464                                 if (StrLength(Buf2) == 0)
 465                                         StrBufAppendBufPlain(Msg->subj, _("(no subj)"), -1,0);
 466                                 else {
 467                                         StrBuf_RFC822_to_Utf8(Msg->subj, Buf2, WCC->DefaultCharset, FoundCharset);
 468                                         if ((StrLength(Msg->subj) > 75) &&
 469                                             (StrBuf_Utf8StrLen(Msg->subj) > 75)) {
 470                                                 StrBuf_Utf8StrCut(Msg->subj, 72);
 471                                                 StrBufAppendBufPlain(Msg->subj, HKEY("..."), 0);
 472                                         }
 473                                 }
 474
 475
 476                                 if ((StrLength(Msg->from) > 25) &&
 477                                     (StrBuf_Utf8StrLen(Msg->from) > 25)) {
 478                                         StrBuf_Utf8StrCut(Msg->from, 23);
 479                                         StrBufAppendBufPlain(Msg->from, HKEY("..."), 0);
 480                                 }
 481                         }
 482                         n = Msg->msgnum;
 483                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 484                 }
 485                 nummsgs++;
 486         }
 487         FreeStrBuf(&Buf2);
 488         FreeStrBuf(&Buf);
 489         return (nummsgs);
 490 }
 491
 492
 493 inline message_summary* GetMessagePtrAt(int n, HashList *Summ)
 494 {
 495         const char *Key;
 496         long HKLen;
 497         void *vMsg;
 498
 499         if (Summ == NULL)
 500                 return NULL;
 501         GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
 502         return (message_summary*) vMsg;
 503 }
 504
 505
 506 long DrawMessageDropdown(StrBuf *Selector, long maxmsgs, long startmsg, int nMessages)
 507 {
 508         StrBuf *TmpBuf;
 509         wcsession *WCC = WC;
 510         void *vMsg;
 511         int lo, hi;
 512         long ret;
 513         long hklen;
 514         const char *key;
 515         int done = 0;
 516         int nItems;
 517         HashPos *At;
 518         long vector[16];
 519         WCTemplputParams SubTP;
 520
 521         memset(&SubTP, 0, sizeof(WCTemplputParams));
 522         SubTP.ContextType = CTX_LONGVECTOR;
 523         SubTP.Context = &vector;
 524         TmpBuf = NewStrBuf();
 525         At = GetNewHashPos(WCC->summ, nMessages);
 526         nItems = GetCount(WCC->summ);
 527         ret = nMessages;
 528         vector[0] = 7;
 529         vector[2] = 1;
 530         vector[1] = startmsg;
 531         vector[3] = 0;
 532
 533         while (!done) {
 534                 vector[3] = abs(nMessages);
 535                 lo = GetHashPosCounter(At);
 536                 if (nMessages > 0) {
 537                         if (lo + nMessages >= nItems) {
 538                                 hi = nItems - 1;
 539                                 vector[3] = nItems - lo;
 540                                 if (startmsg == lo)
 541                                         ret = vector[3];
 542                         }
 543                         else {
 544                                 hi = lo + nMessages - 1;
 545                         }
 546                 } else {
 547                         if (lo + nMessages < -1) {
 548                                 hi = 0;
 549                         }
 550                         else {
 551                                 if ((lo % abs(nMessages)) != 0) {
 552                                         int offset = (lo % abs(nMessages) *
 553                                                       (nMessages / abs(nMessages)));
 554                                         hi = lo + offset;
 555                                         vector[3] = abs(offset);
 556                                         if (startmsg == lo)
 557                                                  ret = offset;
 558                                 }
 559                                 else
 560                                         hi = lo + nMessages;
 561                         }
 562                 }
 563                 done = !GetNextHashPos(WCC->summ, At, &hklen, &key, &vMsg);
 564
 565                 /**
 566                  * Bump these because although we're thinking in zero base, the user
 567                  * is a drooling idiot and is thinking in one base.
 568                  */
 569                 vector[4] = lo + 1;
 570                 vector[5] = hi + 1;
 571                 vector[6] = lo;
 572                 FlushStrBuf(TmpBuf);
 573                 dbg_print_longvector(vector);
 574                 DoTemplate(HKEY("select_messageindex"), TmpBuf, &SubTP);
 575                 StrBufAppendBuf(Selector, TmpBuf, 0);
 576         }
 577         vector[6] = 0;
 578         FlushStrBuf(TmpBuf);
 579         vector[1] = lbstr("maxmsgs") == 9999999;
 580         vector[2] = 0;
 581         dbg_print_longvector(vector);
 582         DoTemplate(HKEY("select_messageindex_all"), TmpBuf, &SubTP);
 583         StrBufAppendBuf(Selector, TmpBuf, 0);
 584         FreeStrBuf(&TmpBuf);
 585         DeleteHashPos(&At);
 586         return ret;
 587 }
 588
 589 void load_seen_flags(void)
 590 {
 591         message_summary *Msg;
 592         const char *HashKey;
 593         long HKLen;
 594         HashPos *at;
 595         void *vMsg;
 596         StrBuf *OldMsg;
 597         wcsession *WCC = WC;
 598
 599         OldMsg = NewStrBuf();
 600         serv_puts("GTSN");
 601         StrBuf_ServGetln(OldMsg);
 602         if (GetServerStatus(OldMsg, NULL) == 2) {
 603                 StrBufCutLeft(OldMsg, 4);
 604         }
 605         else {
 606                 FreeStrBuf(&OldMsg);
 607                 return;
 608         }
 609         at = GetNewHashPos(WCC->summ, 0);
 610         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 611                 /** Are you a new message, or an old message? */
 612                 Msg = (message_summary*) vMsg;
 613                 if (is_msg_in_mset(ChrPtr(OldMsg), Msg->msgnum)) {
 614                         Msg->is_new = 0;
 615                 }
 616                 else {
 617                         Msg->is_new = 1;
 618                 }
 619         }
 620         FreeStrBuf(&OldMsg);
 621         DeleteHashPos(&at);
 622 }
 623
 624 extern readloop_struct rlid[];
 625
 626 /*
 627  * command loop for reading messages
 628  *
 629  * Set oper to "readnew" or "readold" or "readfwd" or "headers"
 630  */
 631 void readloop(long oper)
 632 {
 633         StrBuf *MessageDropdown = NULL;
 634         StrBuf *BBViewToolBar = NULL;
 635         void *vMsg;
 636         message_summary *Msg;
 637         char cmd[256] = "";
 638         char buf[SIZ];
 639         int a = 0;
 640         int with_headers = 0;
 641         int nummsgs;
 642         long startmsg = 0;
 643         int maxmsgs = 0;
 644         long *displayed_msgs = NULL;
 645         int num_displayed = 0;
 646         int is_singlecard = 0;
 647         struct calview calv;
 648         int i;
 649         int lowest_displayed = (-1);
 650         int highest_displayed = 0;
 651         addrbookent *addrbook = NULL;
 652         int num_ab = 0;
 653         int bbs_reverse = 0;
 654         wcsession *WCC = WC;
 655         HashPos *at;
 656         const char *HashKey;
 657         long HKLen;
 658         int care_for_empty_list = 0;
 659         int load_seen = 0;
 660         int sortit = 0;
 661         int defaultsortorder = 0;
 662         WCTemplputParams SubTP;
 663
 664         if (havebstr("is_summary") && (1 == (ibstr("is_summary"))))
 665                 WCC->wc_view = VIEW_MAILBOX;
 666
 667         switch (WCC->wc_view) {
 668         case VIEW_WIKI:
 669                 sprintf(buf, "wiki?room=%s&page=home", ChrPtr(WCC->wc_roomname));
 670                 http_redirect(buf);
 671                 return;
 672         case VIEW_CALBRIEF:
 673         case VIEW_CALENDAR:
 674                 load_seen = 1;
 675                 strcpy(cmd, "MSGS ALL|||1");
 676                 maxmsgs = 32767;
 677                 parse_calendar_view_request(&calv);
 678                 break;
 679         case VIEW_TASKS:
 680                 strcpy(cmd, "MSGS ALL");
 681                 maxmsgs = 32767;
 682                 break;
 683         case VIEW_NOTES:
 684                 strcpy(cmd, "MSGS ALL");
 685                 maxmsgs = 32767;
 686                 wprintf("<div id=\"new_notes_here\"></div>\n");
 687                 break;
 688         case VIEW_ADDRESSBOOK:
 689                 is_singlecard = ibstr("is_singlecard");
 690                 if (is_singlecard != 1) {
 691                         if (oper == do_search) {
 692                                 snprintf(cmd, sizeof(cmd), "MSGS SEARCH|%s", bstr("query"));
 693                         }
 694                         else {
 695                                 strcpy(cmd, "MSGS ALL");
 696                         }
 697                         maxmsgs = 9999999;
 698                         break;
 699                 }
 700                 break;
 701         case VIEW_MAILBOX:
 702                 defaultsortorder = 2;
 703                 sortit = 1;
 704                 load_seen = 1;
 705                 care_for_empty_list = 1;
 706                 with_headers = 1;
 707                 if (WCC->is_mobile) maxmsgs = 20;
 708                 else maxmsgs = 9999999;
 709                 snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 710                          (oper == do_search) ? "SEARCH" : "ALL",
 711                          (oper == do_search) ? bstr("query") : ""
 712                         );
 713                 break;
 714         case VIEW_BBS:
 715         default:
 716                 defaultsortorder = 1;
 717                 startmsg = -1;
 718                 sortit = 1;
 719                 care_for_empty_list = 1;
 720
 721                 rlid[oper].cmd(cmd, sizeof(cmd));
 722                 SetAccessCommand(oper);
 723
 724                 if (havebstr("maxmsgs"))
 725                         maxmsgs = ibstr("maxmsgs");
 726                 if (maxmsgs == 0) maxmsgs = DEFAULT_MAXMSGS;
 727
 728                 if (havebstr("startmsg")) {
 729                         startmsg = lbstr("startmsg");
 730                 }
 731
 732         }
 733         output_headers(1, 1, 1, 0, 0, 0);
 734
 735         nummsgs = load_msg_ptrs(cmd, with_headers);
 736         if (nummsgs == 0) {
 737                 if (care_for_empty_list) {
 738                         wprintf("<div align=\"center\"><br /><em>");
 739                         switch (oper) {
 740                         case readnew:
 741                                 wprintf(_("No new messages."));
 742                                 break;
 743                         case readold:
 744                                 wprintf(_("No old messages."));
 745                                 break;
 746                         default:
 747                                 wprintf(_("No messages here."));
 748                         }
 749                         wprintf("</em><br /></div>\n");
 750                 }
 751
 752                 goto DONE;
 753         }
 754
 755         if (sortit) {
 756                 CompareFunc SortIt;
 757                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 758                 SubTP.ContextType = CTX_NONE;
 759                 SubTP.Context = NULL;
 760                 SortIt =  RetrieveSort(&SubTP, NULL, 0,
 761                                        HKEY("date"), defaultsortorder);
 762                 if (SortIt != NULL)
 763                         SortByPayload(WCC->summ, SortIt);
 764                 if (WCC->wc_view == VIEW_BBS) {
 765                         if (lbstr("SortOrder") == 2) {
 766                                 bbs_reverse = 1;
 767                                 num_displayed = -DEFAULT_MAXMSGS;
 768                         }
 769                         else {
 770                                 bbs_reverse = 0;
 771                                 num_displayed = DEFAULT_MAXMSGS;
 772                         }
 773                 }
 774         }
 775         if (startmsg < 0) startmsg = (bbs_reverse) ? nummsgs - 1 : 0;
 776
 777         if (load_seen) load_seen_flags();
 778
 779         /**
 780          * If we're to print s.th. above the message list...
 781          */
 782         switch (WCC->wc_view) {
 783         case VIEW_MAILBOX:
 784                 do_template("summary_header", NULL);
 785                 break;
 786         case VIEW_BBS:
 787                 BBViewToolBar = NewStrBuf();
 788                 MessageDropdown = NewStrBuf();
 789
 790                 maxmsgs = DrawMessageDropdown(MessageDropdown, maxmsgs, startmsg, num_displayed);
 791                 if (num_displayed < 0) {
 792                         startmsg += maxmsgs;
 793                         if (num_displayed != maxmsgs)
 794                                 maxmsgs = abs(maxmsgs) + 1;
 795                         else
 796                                 maxmsgs = abs(maxmsgs);
 797
 798                 }
 799                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 800                 SubTP.ContextType = CTX_STRBUF;
 801                 SubTP.Context = MessageDropdown;
 802                 DoTemplate(HKEY("msg_listselector_top"), BBViewToolBar, &SubTP);
 803                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 804                 FlushStrBuf(BBViewToolBar);
 805                 break;
 806         }
 807
 808         /*
 809          * iterate over each message. if we need to load an attachment, do it here.
 810          */
 811         at = GetNewHashPos(WCC->summ, 0);
 812         num_displayed = i = 0;
 813         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 814                 Msg = (message_summary*) vMsg;
 815                 if ((Msg->msgnum >= startmsg) && (num_displayed <= maxmsgs)) {
 816                         switch (WCC->wc_view) {
 817                         case VIEW_WIKI:
 818                                 break;
 819                         case VIEW_CALBRIEF: /* load the mime attachments for special tasks... */
 820                         case VIEW_CALENDAR:
 821                                 load_calendar_item(Msg, Msg->is_new, &calv);
 822                                 break;
 823                         case VIEW_TASKS:
 824                                 display_task(Msg, Msg->is_new);
 825                                 break;
 826                         case VIEW_NOTES:
 827                                 display_note(Msg, Msg->is_new);
 828                                 break;
 829                         case VIEW_ADDRESSBOOK:
 830                                 fetch_ab_name(Msg, buf);
 831                                 ++num_ab;
 832                                 addrbook = realloc(addrbook,
 833                                                    (sizeof(addrbookent) * num_ab) );
 834                                 safestrncpy(addrbook[num_ab-1].ab_name, buf,
 835                                             sizeof(addrbook[num_ab-1].ab_name));
 836                                 addrbook[num_ab-1].ab_msgnum = Msg->msgnum;
 837                                 break;
 838                         case VIEW_MAILBOX: /* here we just need the abstract, so render it now. */
 839                                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 840                                 SubTP.ContextType = CTX_MAILSUM;
 841                                 SubTP.Context = Msg;
 842                                 DoTemplate(HKEY("section_mailsummary"), NULL, &SubTP);
 843
 844                                 num_displayed++;
 845                                 break;
 846                         case VIEW_BBS: /* Tag the mails we want to show in bbview... */
 847                         default:
 848                                 if (displayed_msgs == NULL) {
 849                                         displayed_msgs = malloc(sizeof(long) *
 850                                                                 (maxmsgs<nummsgs ? maxmsgs + 1 : nummsgs + 1));
 851                                 }
 852                                 if ((i >= startmsg) && (i < startmsg + maxmsgs)) {
 853                                         displayed_msgs[num_displayed] = Msg->msgnum;
 854                                         if (lowest_displayed < 0) lowest_displayed = a;
 855                                         highest_displayed = a;
 856
 857                                         num_displayed++;
 858                                 }
 859                         }
 860                 }
 861                 i++;
 862         }
 863         DeleteHashPos(&at);
 864
 865
 866         /*
 867          * Done iterating the message list. now tasks we want to do after.
 868          */
 869         switch (WCC->wc_view) {
 870         case VIEW_MAILBOX:
 871                 do_template("summary_trailer", NULL);
 872                 break;
 873         case VIEW_BBS:
 874                 if (displayed_msgs != NULL) {
 875                         /** if we do a split bbview in the future, begin messages div here */
 876
 877                         for (a=0; a<num_displayed; ++a) {
 878                                 read_message(WCC->WBuf, HKEY("view_message"), displayed_msgs[a], 0, NULL);
 879                         }
 880
 881                         /** if we do a split bbview in the future, end messages div here */
 882
 883                         free(displayed_msgs);
 884                         displayed_msgs = NULL;
 885                 }
 886                 memset(&SubTP, 0, sizeof(WCTemplputParams));
 887                 SubTP.ContextType = CTX_STRBUF;
 888                 SubTP.Context = MessageDropdown;
 889                 DoTemplate(HKEY("msg_listselector_bottom"), BBViewToolBar, &SubTP);
 890                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 891
 892                 FreeStrBuf(&BBViewToolBar);
 893                 FreeStrBuf(&MessageDropdown);
 894         }
 895
 896
 897 DONE:
 898         switch (WCC->wc_view) {
 899         case VIEW_WIKI:
 900                 break;
 901         case VIEW_CALBRIEF:
 902         case VIEW_CALENDAR:
 903                 render_calendar_view(&calv);
 904                 break;
 905         case VIEW_TASKS:
 906                 do_tasks_view();        /** Render the task list */
 907                 break;
 908         case VIEW_NOTES:
 909                 break;
 910         case VIEW_ADDRESSBOOK:
 911                 do_addrbook_view(addrbook, num_ab);     /** Render the address book */
 912                 break;
 913         case VIEW_MAILBOX:
 914         case VIEW_BBS:
 915         default:
 916                 break;
 917         }
 918         /** Note: wDumpContent() will output one additional </div> tag. */
 919         wprintf("</div>\n");            /** end of 'content' div */
 920         wDumpContent(1);
 921
 922         /** free the summary */
 923         if (WCC->summ != NULL) {
 924                 DeleteHash(&WCC->summ);
 925         }
 926         if (addrbook != NULL) free(addrbook);
 927         FreeStrBuf(&BBViewToolBar);
 928 }
 929
 930
 931 /*
 932  * Back end for post_message()
 933  * ... this is where the actual message gets transmitted to the server.
 934  */
 935 void post_mime_to_server(void) {
 936         wcsession *WCC = WC;
 937         char top_boundary[SIZ];
 938         char alt_boundary[SIZ];
 939         int is_multipart = 0;
 940         static int seq = 0;
 941         wc_mime_attachment *att;
 942         char *encoded;
 943         size_t encoded_length;
 944         size_t encoded_strlen;
 945         char *txtmail = NULL;
 946
 947         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
 948                 ChrPtr(serv_info.serv_fqdn),
 949                 getpid(),
 950                 ++seq
 951         );
 952         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
 953                 ChrPtr(serv_info.serv_fqdn),
 954                 getpid(),
 955                 ++seq
 956         );
 957
 958         /* RFC2045 requires this, and some clients look for it... */
 959         serv_puts("MIME-Version: 1.0");
 960         serv_puts("X-Mailer: " PACKAGE_STRING);
 961
 962         /* If there are attachments, we have to do multipart/mixed */
 963         if (GetCount(WCC->attachments) > 0) {
 964                 is_multipart = 1;
 965         }
 966
 967         if (is_multipart) {
 968                 /* Remember, serv_printf() appends an extra newline */
 969                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
 970                 serv_printf("This is a multipart message in MIME format.\n");
 971                 serv_printf("--%s", top_boundary);
 972         }
 973
 974         /* Remember, serv_printf() appends an extra newline */
 975         serv_printf("Content-type: multipart/alternative; "
 976                 "boundary=\"%s\"\n", alt_boundary);
 977         serv_printf("This is a multipart message in MIME format.\n");
 978         serv_printf("--%s", alt_boundary);
 979
 980         serv_puts("Content-type: text/plain; charset=utf-8");
 981         serv_puts("Content-Transfer-Encoding: quoted-printable");
 982         serv_puts("");
 983         txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
 984         text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
 985         free(txtmail);
 986
 987         serv_printf("--%s", alt_boundary);
 988
 989         serv_puts("Content-type: text/html; charset=utf-8");
 990         serv_puts("Content-Transfer-Encoding: quoted-printable");
 991         serv_puts("");
 992         serv_puts("<html><body>\r\n");
 993         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
 994         serv_puts("</body></html>\r\n");
 995
 996         serv_printf("--%s--", alt_boundary);
 997
 998         if (is_multipart) {
 999                 long len;
1000                 const char *Key;
1001                 void *vAtt;
1002                 HashPos  *it;
1003
1004                 /* Add in the attachments */
1005                 it = GetNewHashPos(WCC->attachments, 0);
1006                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
1007                         att = (wc_mime_attachment *)vAtt;
1008                         encoded_length = ((att->length * 150) / 100);
1009                         encoded = malloc(encoded_length);
1010                         if (encoded == NULL) break;
1011                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
1012
1013                         serv_printf("--%s", top_boundary);
1014                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
1015                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
1016                         serv_puts("Content-transfer-encoding: base64");
1017                         serv_puts("");
1018                         serv_write(encoded, encoded_strlen);
1019                         serv_puts("");
1020                         serv_puts("");
1021                         free(encoded);
1022                 }
1023                 serv_printf("--%s--", top_boundary);
1024                 DeleteHashPos(&it);
1025         }
1026
1027         serv_puts("000");
1028 }
1029
1030
1031 /*
1032  * Post message (or don't post message)
1033  *
1034  * Note regarding the "dont_post" variable:
1035  * A random value (actually, it's just a timestamp) is inserted as a hidden
1036  * field called "postseq" when the display_enter page is generated.  This
1037  * value is checked when posting, using the static variable dont_post.  If a
1038  * user attempts to post twice using the same dont_post value, the message is
1039  * discarded.  This prevents the accidental double-saving of the same message
1040  * if the user happens to click the browser "back" button.
1041  */
1042 void post_message(void)
1043 {
1044         char buf[1024];
1045         StrBuf *encoded_subject = NULL;
1046         static long dont_post = (-1L);
1047         wc_mime_attachment  *att;
1048         int is_anonymous = 0;
1049         const StrBuf *display_name = NULL;
1050         wcsession *WCC = WC;
1051
1052         if (havebstr("force_room")) {
1053                 gotoroom(sbstr("force_room"));
1054         }
1055
1056         if (havebstr("display_name")) {
1057                 display_name = sbstr("display_name");
1058                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1059                         display_name = NULL;
1060                         is_anonymous = 1;
1061                 }
1062         }
1063
1064         if (WCC->upload_length > 0) {
1065                 const char *pch;
1066                 int n;
1067                 char N[64];
1068
1069                 lprintf(9, "%s:%d: we are uploading %d bytes\n", __FILE__, __LINE__, WCC->upload_length);
1070                 /** There's an attachment.  Save it to this struct... */
1071                 att = malloc(sizeof(wc_mime_attachment));
1072                 memset(att, 0, sizeof(wc_mime_attachment ));
1073                 att->length = WCC->upload_length;
1074                 att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1075                 att->FileName = NewStrBufPlain(WCC->upload_filename, -1);
1076
1077
1078                 if (WCC->attachments == NULL)
1079                         WCC->attachments = NewHash(1, NULL);
1080                 /* And add it to the list. */
1081                 n = snprintf(N, sizeof N, "%d", GetCount(WCC->attachments) + 1);
1082                 Put(WCC->attachments, N, n, att, DestroyMime);
1083
1084                 /**
1085                  * Mozilla sends a simple filename, which is what we want,
1086                  * but Satan's Browser sends an entire pathname.  Reduce
1087                  * the path to just a filename if we need to.
1088                  */
1089                 pch = strrchr(ChrPtr(att->FileName), '/');
1090                 if (pch != NULL) {
1091                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1092                 }
1093                 pch = strrchr(ChrPtr(att->FileName), '\\');
1094                 if (pch != NULL) {
1095                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1096                 }
1097
1098                 /**
1099                  * Transfer control of this memory from the upload struct
1100                  * to the attachment struct.
1101                  */
1102                 att->Data = NewStrBufPlain(WCC->upload, WCC->upload_length);
1103                 free(WCC->upload);
1104                 WCC->upload_length = 0;
1105                 WCC->upload = NULL;
1106                 display_enter();
1107                 return;
1108         }
1109
1110         if (havebstr("cancel_button")) {
1111                 sprintf(WCC->ImportantMessage,
1112                         _("Cancelled.  Message was not posted."));
1113         } else if (havebstr("attach_button")) {
1114                 display_enter();
1115                 return;
1116         } else if (lbstr("postseq") == dont_post) {
1117                 sprintf(WCC->ImportantMessage,
1118                         _("Automatically cancelled because you have already "
1119                         "saved this message."));
1120         } else {
1121                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1122                 const StrBuf *Recp = NULL;
1123                 const StrBuf *Cc = NULL;
1124                 const StrBuf *Bcc = NULL;
1125                 const StrBuf *Wikipage = NULL;
1126                 const StrBuf *my_email_addr = NULL;
1127                 StrBuf *CmdBuf = NULL;
1128                 StrBuf *references = NULL;
1129
1130                 if (havebstr("references"))
1131                 {
1132                         const StrBuf *ref = sbstr("references");
1133                         references = NewStrBufPlain(ChrPtr(ref), StrLength(ref));
1134                         lprintf(9, "Converting: %s\n", ChrPtr(references));
1135                         StrBufReplaceChars(references, '|', '!');
1136                         lprintf(9, "Converted: %s\n", ChrPtr(references));
1137                 }
1138                 if (havebstr("subject")) {
1139                         const StrBuf *Subj;
1140                         /*
1141                          * make enough room for the encoded string;
1142                          * plus the QP header
1143                          */
1144                         Subj = sbstr("subject");
1145
1146                         StrBufRFC2047encode(&encoded_subject, Subj);
1147                 }
1148                 Recp = sbstr("recp");
1149                 Cc = sbstr("cc");
1150                 Bcc = sbstr("bcc");
1151                 Wikipage = sbstr("wikipage");
1152                 my_email_addr = sbstr("my_email_addr");
1153
1154                 CmdBuf = NewStrBufPlain(NULL,
1155                                         sizeof (CMD) +
1156                                         StrLength(Recp) +
1157                                         StrLength(encoded_subject) +
1158                                         StrLength(Cc) +
1159                                         StrLength(Bcc) +
1160                                         StrLength(Wikipage) +
1161                                         StrLength(my_email_addr) +
1162                                         StrLength(references));
1163
1164                 StrBufPrintf(CmdBuf,
1165                              CMD,
1166                              ChrPtr(Recp),
1167                              is_anonymous,
1168                              ChrPtr(encoded_subject),
1169                              ChrPtr(display_name),
1170                              ChrPtr(Cc),
1171                              ChrPtr(Bcc),
1172                              ChrPtr(Wikipage),
1173                              ChrPtr(my_email_addr),
1174                              ChrPtr(references));
1175                 FreeStrBuf(&references);
1176
1177                 lprintf(9, "%s\n", ChrPtr(CmdBuf));
1178                 serv_puts(ChrPtr(CmdBuf));
1179                 serv_getln(buf, sizeof buf);
1180                 FreeStrBuf(&CmdBuf);
1181                 FreeStrBuf(&encoded_subject);
1182                 if (buf[0] == '4') {
1183                         post_mime_to_server();
1184                         if (  (havebstr("recp"))
1185                            || (havebstr("cc"  ))
1186                            || (havebstr("bcc" ))
1187                         ) {
1188                                 sprintf(WCC->ImportantMessage, _("Message has been sent.\n"));
1189                         }
1190                         else {
1191                                 sprintf(WC->ImportantMessage, _("Message has been posted.\n"));
1192                         }
1193                         dont_post = lbstr("postseq");
1194                 } else {
1195                         lprintf(9, "%s:%d: server post error: %s\n", __FILE__, __LINE__, buf);
1196                         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1197                         display_enter();
1198                         return;
1199                 }
1200         }
1201
1202         DeleteHash(&WCC->attachments);
1203
1204         /**
1205          *  We may have been supplied with instructions regarding the location
1206          *  to which we must return after posting.  If found, go there.
1207          */
1208         if (havebstr("return_to")) {
1209                 http_redirect(bstr("return_to"));
1210         }
1211         /**
1212          *  If we were editing a page in a wiki room, go to that page now.
1213          */
1214         else if (havebstr("wikipage")) {
1215                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
1216                 http_redirect(buf);
1217         }
1218         /**
1219          *  Otherwise, just go to the "read messages" loop.
1220          */
1221         else {
1222                 readloop(readnew);
1223         }
1224 }
1225
1226
1227
1228
1229 /**
1230  * \brief display the message entry screen
1231  */
1232 void display_enter(void)
1233 {
1234         char buf[SIZ];
1235         long now;
1236         const StrBuf *display_name = NULL;
1237         int recipient_required = 0;
1238         int subject_required = 0;
1239         int recipient_bad = 0;
1240         int is_anonymous = 0;
1241         wcsession *WCC = WC;
1242
1243         now = time(NULL);
1244
1245         if (havebstr("force_room")) {
1246                 gotoroom(sbstr("force_room"));
1247         }
1248
1249         display_name = sbstr("display_name");
1250         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1251                 display_name = NULL;
1252                 is_anonymous = 1;
1253         }
1254
1255         /** First test to see whether this is a room that requires recipients to be entered */
1256         serv_puts("ENT0 0");
1257         serv_getln(buf, sizeof buf);
1258
1259         if (!strncmp(buf, "570", 3)) {          /** 570 means that we need a recipient here */
1260                 recipient_required = 1;
1261         }
1262         else if (buf[0] != '2') {               /** Any other error means that we cannot continue */
1263                 sprintf(WCC->ImportantMessage, "%s", &buf[4]);
1264                 readloop(readnew);
1265                 return;
1266         }
1267
1268         /* Is the server strongly recommending that the user enter a message subject? */
1269         if ((buf[3] != '\0') && (buf[4] != '\0')) {
1270                 subject_required = extract_int(&buf[4], 1);
1271         }
1272
1273         /**
1274          * Are we perhaps in an address book view?  If so, then an "enter
1275          * message" command really means "add new entry."
1276          */
1277         if (WCC->wc_default_view == VIEW_ADDRESSBOOK) {
1278                 do_edit_vcard(-1, "", "", ChrPtr(WCC->wc_roomname));
1279                 return;
1280         }
1281
1282         /*
1283          * Are we perhaps in a calendar room?  If so, then an "enter
1284          * message" command really means "add new calendar item."
1285          */
1286         if (WCC->wc_default_view == VIEW_CALENDAR) {
1287                 display_edit_event();
1288                 return;
1289         }
1290
1291         /*
1292          * Are we perhaps in a tasks view?  If so, then an "enter
1293          * message" command really means "add new task."
1294          */
1295         if (WCC->wc_default_view == VIEW_TASKS) {
1296                 display_edit_task();
1297                 return;
1298         }
1299
1300         /*
1301          * Otherwise proceed normally.
1302          * Do a custom room banner with no navbar...
1303          */
1304
1305         if (recipient_required) {
1306                 const StrBuf *Recp = NULL;
1307                 const StrBuf *Cc = NULL;
1308                 const StrBuf *Bcc = NULL;
1309                 const StrBuf *Wikipage = NULL;
1310                 StrBuf *CmdBuf = NULL;
1311                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1312
1313                 Recp = sbstr("recp");
1314                 Cc = sbstr("cc");
1315                 Bcc = sbstr("bcc");
1316                 Wikipage = sbstr("wikipage");
1317
1318                 CmdBuf = NewStrBufPlain(NULL,
1319                                         sizeof (CMD) +
1320                                         StrLength(Recp) +
1321                                         StrLength(display_name) +
1322                                         StrLength(Cc) +
1323                                         StrLength(Bcc) +
1324                                         StrLength(Wikipage));
1325
1326                 StrBufPrintf(CmdBuf,
1327                              CMD,
1328                              ChrPtr(Recp),
1329                              is_anonymous,
1330                              ChrPtr(display_name),
1331                              ChrPtr(Cc),
1332                              ChrPtr(Bcc),
1333                              ChrPtr(Wikipage));
1334                 serv_puts(ChrPtr(CmdBuf));
1335                 serv_getln(buf, sizeof buf);
1336                 FreeStrBuf(&CmdBuf);
1337
1338                 if (!strncmp(buf, "570", 3)) {  /** 570 means we have an invalid recipient listed */
1339                         if (havebstr("recp") &&
1340                             havebstr("cc"  ) &&
1341                             havebstr("bcc" )) {
1342                                 recipient_bad = 1;
1343                         }
1344                 }
1345                 else if (buf[0] != '2') {       /** Any other error means that we cannot continue */
1346                         wprintf("<em>%s</em><br />\n", &buf[4]);/*TODO -> important message */
1347                         return;
1348                 }
1349         }
1350         svputlong("RCPTREQUIRED", recipient_required);
1351         svputlong("SUBJREQUIRED", recipient_required || subject_required);
1352
1353         begin_burst();
1354         output_headers(1, 0, 0, 0, 1, 0);
1355         DoTemplate(HKEY("edit_message"), NULL, &NoCtx);
1356         end_burst();
1357
1358         return;
1359 }
1360
1361 /**
1362  * \brief delete a message
1363  */
1364 void delete_msg(void)
1365 {
1366         long msgid;
1367         char buf[SIZ];
1368
1369         msgid = lbstr("msgid");
1370
1371         if (WC->wc_is_trash) {  /** Delete from Trash is a real delete */
1372                 serv_printf("DELE %ld", msgid);
1373         }
1374         else {                  /** Otherwise move it to Trash */
1375                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1376         }
1377
1378         serv_getln(buf, sizeof buf);
1379         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1380
1381         readloop(readnew);
1382 }
1383
1384
1385 /**
1386  * \brief move a message to another folder
1387  */
1388 void move_msg(void)
1389 {
1390         long msgid;
1391         char buf[SIZ];
1392
1393         msgid = lbstr("msgid");
1394
1395         if (havebstr("move_button")) {
1396                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1397                 serv_puts(buf);
1398                 serv_getln(buf, sizeof buf);
1399                 sprintf(WC->ImportantMessage, "%s", &buf[4]);
1400         } else {
1401                 sprintf(WC->ImportantMessage, (_("The message was not moved.")));
1402         }
1403
1404         readloop(readnew);
1405 }
1406
1407
1408
1409
1410
1411 /*
1412  * Confirm move of a message
1413  */
1414 void confirm_move_msg(void)
1415 {
1416         long msgid;
1417         char buf[SIZ];
1418         char targ[SIZ];
1419
1420         msgid = lbstr("msgid");
1421
1422
1423         output_headers(1, 1, 2, 0, 0, 0);
1424         wprintf("<div id=\"banner\">\n");
1425         wprintf("<h1>");
1426         wprintf(_("Confirm move of message"));
1427         wprintf("</h1>");
1428         wprintf("</div>\n");
1429
1430         wprintf("<div id=\"content\" class=\"service\">\n");
1431
1432         wprintf("<CENTER>");
1433
1434         wprintf(_("Move this message to:"));
1435         wprintf("<br />\n");
1436
1437         wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
1438         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
1439         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
1440
1441         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1442         serv_puts("LKRA");
1443         serv_getln(buf, sizeof buf);
1444         if (buf[0] == '1') {
1445                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1446                         extract_token(targ, buf, 0, '|', sizeof targ);
1447                         wprintf("<OPTION>");
1448                         escputs(targ);
1449                         wprintf("\n");
1450                 }
1451         }
1452         wprintf("</SELECT>\n");
1453         wprintf("<br />\n");
1454
1455         wprintf("<INPUT TYPE=\"submit\" NAME=\"move_button\" VALUE=\"%s\">", _("Move"));
1456         wprintf("&nbsp;");
1457         wprintf("<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">", _("Cancel"));
1458         wprintf("</form></CENTER>\n");
1459
1460         wprintf("</CENTER>\n");
1461         wDumpContent(1);
1462 }
1463
1464
1465 /*
1466  * Generic function to output an arbitrary MIME attachment from
1467  * message being composed
1468  *
1469  * partnum              The MIME part to be output
1470  * filename             Fake filename to give
1471  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1472  */
1473 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1474 {
1475         void *vPart;
1476         StrBuf *content_type;
1477         wc_mime_attachment *part;
1478
1479         if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
1480             (vPart != NULL)) {
1481                 part = (wc_mime_attachment*) vPart;
1482                 if (force_download) {
1483                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1484                 }
1485                 else {
1486                         content_type = NewStrBufDup(part->ContentType);
1487                 }
1488                 output_headers(0, 0, 0, 0, 0, 0);
1489                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1490                 http_transmit_thing(ChrPtr(content_type), 0);
1491         } else {
1492                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1493                 output_headers(0, 0, 0, 0, 0, 0);
1494                 hprintf("Content-Type: text/plain\r\n");
1495                 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
1496                         ChrPtr(partnum), ChrPtr(filename));
1497                 end_burst();
1498         }
1499         FreeStrBuf(&content_type);
1500 }
1501
1502
1503 /*
1504  * Generic function to output an arbitrary MIME part from an arbitrary
1505  * message number on the server.
1506  *
1507  * msgnum               Number of the item on the citadel server
1508  * partnum              The MIME part to be output
1509  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1510  */
1511 void mimepart(const char *msgnum, const char *partnum, int force_download)
1512 {
1513         char buf[256];
1514         off_t bytes;
1515         char content_type[256];
1516
1517         serv_printf("OPNA %s|%s", msgnum, partnum);
1518         serv_getln(buf, sizeof buf);
1519         if (buf[0] == '2') {
1520                 bytes = extract_long(&buf[4], 0);
1521                 if (force_download) {
1522                         strcpy(content_type, "application/octet-stream");
1523                 }
1524                 else {
1525                         extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1526                 }
1527                 output_headers(0, 0, 0, 0, 0, 0);
1528
1529                 read_server_binary(WC->WBuf, bytes);
1530                 serv_puts("CLOS");
1531                 serv_getln(buf, sizeof buf);
1532                 http_transmit_thing(content_type, 0);
1533         } else {
1534                 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1535                 output_headers(0, 0, 0, 0, 0, 0);
1536                 hprintf("Content-Type: text/plain\r\n");
1537                 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
1538                 end_burst();
1539         }
1540 }
1541
1542
1543 /*
1544  * Read any MIME part of a message, from the server, into memory.
1545  */
1546 char *load_mimepart(long msgnum, char *partnum)
1547 {
1548         char buf[SIZ];
1549         off_t bytes;
1550         char content_type[SIZ];
1551         char *content;
1552
1553         serv_printf("DLAT %ld|%s", msgnum, partnum);
1554         serv_getln(buf, sizeof buf);
1555         if (buf[0] == '6') {
1556                 bytes = extract_long(&buf[4], 0);
1557                 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1558
1559                 content = malloc(bytes + 2);
1560                 serv_read(content, bytes);
1561
1562                 content[bytes] = 0;     /* null terminate for good measure */
1563                 return(content);
1564         }
1565         else {
1566                 return(NULL);
1567         }
1568 }
1569
1570 /*
1571  * Read any MIME part of a message, from the server, into memory.
1572  */
1573 void MimeLoadData(wc_mime_attachment *Mime)
1574 {
1575         char buf[SIZ];
1576         off_t bytes;
1577 /* TODO: is there a chance the contenttype is different  to the one we know?     */
1578         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1579         serv_getln(buf, sizeof buf);
1580         if (buf[0] == '6') {
1581                 bytes = extract_long(&buf[4], 0);
1582
1583                 if (Mime->Data == NULL)
1584                         Mime->Data = NewStrBufPlain(NULL, bytes);
1585                 StrBuf_ServGetBLOB(Mime->Data, bytes);
1586
1587         }
1588         else {
1589                 FlushStrBuf(Mime->Data);
1590                 /* TODO XImportant message */
1591         }
1592 }
1593
1594
1595
1596
1597 void view_mimepart(void) {
1598         mimepart(ChrPtr(WC->UrlFragment2),
1599                  ChrPtr(WC->UrlFragment3),
1600                  0);
1601 }
1602
1603 void download_mimepart(void) {
1604         mimepart(ChrPtr(WC->UrlFragment2),
1605                  ChrPtr(WC->UrlFragment3),
1606                  1);
1607 }
1608
1609 void view_postpart(void) {
1610         postpart(WC->UrlFragment2,
1611                  WC->UrlFragment3,
1612                  0);
1613 }
1614
1615 void download_postpart(void) {
1616         postpart(WC->UrlFragment2,
1617                  WC->UrlFragment3,
1618                  1);
1619 }
1620
1621 void h_readnew(void) { readloop(readnew);}
1622 void h_readold(void) { readloop(readold);}
1623 void h_readfwd(void) { readloop(readfwd);}
1624 void h_headers(void) { readloop(headers);}
1625 void h_do_search(void) { readloop(do_search);}
1626
1627 void
1628 InitModule_MSG
1629 (void)
1630 {
1631         RegisterPreference(HKEY("use_sig"),
1632                            _("Attach signature to email messages?"),
1633                            PRF_YESNO,
1634                            NULL);
1635         RegisterPreference(HKEY("signature"), _("Use this signature:"), PRF_QP_STRING, NULL);
1636         RegisterPreference(HKEY("default_header_charset"),
1637                            _("Default character set for email headers:"),
1638                            PRF_STRING,
1639                            NULL);
1640         RegisterPreference(HKEY("defaultfrom"), _("Preferred email address"), PRF_STRING, NULL);
1641         RegisterPreference(HKEY("defaultname"),
1642                            _("Preferred display name for email messages"),
1643                            PRF_STRING,
1644                            NULL);
1645         RegisterPreference(HKEY("defaulthandle"),
1646                            _("Preferred display name for bulletin board posts"),
1647                            PRF_STRING,
1648                            NULL);
1649         RegisterPreference(HKEY("mailbox"),_("Mailbox view mode"), PRF_STRING, NULL);
1650
1651         WebcitAddUrlHandler(HKEY("readnew"), h_readnew, NEED_URL);
1652         WebcitAddUrlHandler(HKEY("readold"), h_readold, NEED_URL);
1653         WebcitAddUrlHandler(HKEY("readfwd"), h_readfwd, NEED_URL);
1654         WebcitAddUrlHandler(HKEY("headers"), h_headers, NEED_URL);
1655         WebcitAddUrlHandler(HKEY("do_search"), h_do_search, 0);
1656         WebcitAddUrlHandler(HKEY("display_enter"), display_enter, 0);
1657         WebcitAddUrlHandler(HKEY("post"), post_message, 0);
1658         WebcitAddUrlHandler(HKEY("move_msg"), move_msg, 0);
1659         WebcitAddUrlHandler(HKEY("delete_msg"), delete_msg, 0);
1660         WebcitAddUrlHandler(HKEY("confirm_move_msg"), confirm_move_msg, 0);
1661         WebcitAddUrlHandler(HKEY("msg"), embed_message, NEED_URL|AJAX);
1662         WebcitAddUrlHandler(HKEY("printmsg"), print_message, NEED_URL);
1663         WebcitAddUrlHandler(HKEY("mobilemsg"), mobile_message_view, NEED_URL);
1664         WebcitAddUrlHandler(HKEY("msgheaders"), display_headers, NEED_URL);
1665
1666         WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1667         WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1668         WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1669         WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1670
1671         return ;
1672 }