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
  16 #define SUBJ_COL_WIDTH_PCT              50      /**< Mailbox view column width */
  17 #define SENDER_COL_WIDTH_PCT            30      /**< Mailbox view column width */
  18 #define DATE_PLUS_BUTTONS_WIDTH_PCT     20      /**< Mailbox view column width */
  19
  20
  21
  22 void display_enter(void);
  23 int longcmp_r(const void *s1, const void *s2);
  24 int summcmp_subj(const void *s1, const void *s2);
  25 int summcmp_rsubj(const void *s1, const void *s2);
  26 int summcmp_sender(const void *s1, const void *s2);
  27 int summcmp_rsender(const void *s1, const void *s2);
  28 int summcmp_date(const void *s1, const void *s2);
  29 int summcmp_rdate(const void *s1, const void *s2);
  30
  31 /*----------------------------------------------------------------------------*/
  32
  33
  34 typedef void (*MsgPartEvaluatorFunc)(message_summary *Sum, StrBuf *Buf);
  35
  36
  37
  38 /*----------------------------------------------------------------------------*/
  39
  40
  41
  42 /*
  43  * I wanna SEE that message!
  44  *
  45  * msgnum               Message number to display
  46  * printable_view       Nonzero to display a printable view
  47  * section              Optional for encapsulated message/rfc822 submessage
  48  */
  49 int read_message(StrBuf *Target, const char *tmpl, long tmpllen, long msgnum, int printable_view, const StrBuf *PartNum) {
  50         StrBuf *Buf;
  51         StrBuf *HdrToken;
  52         StrBuf *FoundCharset;
  53         HashPos  *it;
  54         void *vMime;
  55         message_summary *Msg = NULL;
  56         headereval *Hdr;
  57         void *vHdr;
  58         char buf[SIZ];
  59         int Done = 0;
  60         int state=0;
  61         long len;
  62         const char *Key;
  63
  64         Buf = NewStrBuf();
  65         lprintf(1, "----------%s---------MSG4 %ld|%s--------------\n", tmpl, msgnum, ChrPtr(PartNum));
  66         serv_printf("MSG4 %ld|%s", msgnum, ChrPtr(PartNum));
  67         StrBuf_ServGetln(Buf);
  68         if (GetServerStatus(Buf, NULL) != 1) {
  69                 StrBufAppendPrintf(Target, "<strong>");
  70                 StrBufAppendPrintf(Target, _("ERROR:"));
  71                 StrBufAppendPrintf(Target, "</strong> %s<br />\n", &buf[4]);
  72                 FreeStrBuf(&Buf);
  73                 return 0;
  74         }
  75
  76         /** begin everythingamundo table */
  77
  78
  79         HdrToken = NewStrBuf();
  80         Msg = (message_summary *)malloc(sizeof(message_summary));
  81         memset(Msg, 0, sizeof(message_summary));
  82         Msg->msgnum = msgnum;
  83         Msg->PartNum = PartNum;
  84         Msg->MsgBody =  (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
  85         memset(Msg->MsgBody, 0, sizeof(wc_mime_attachment));
  86         FoundCharset = NewStrBuf();
  87         while ((StrBuf_ServGetln(Buf)>=0) && !Done) {
  88                 if ( (StrLength(Buf)==3) &&
  89                     !strcmp(ChrPtr(Buf), "000"))
  90                 {
  91                         Done = 1;
  92                         if (state < 2) {
  93                                 lprintf(1, _("unexpected end of message"));
  94
  95                                 Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/html"));
  96                                 StrBufAppendPrintf(Msg->MsgBody->Data, "<div><i>");
  97                                 StrBufAppendPrintf(Msg->MsgBody->Data, _("unexpected end of message"));
  98                                 StrBufAppendPrintf(Msg->MsgBody->Data, " (1)</i><br /><br />\n");
  99                                 StrBufAppendPrintf(Msg->MsgBody->Data, "</div>\n");
 100                         }
 101                         break;
 102                 }
 103                 switch (state) {
 104                 case 0:/* Citadel Message Headers */
 105                         if (StrLength(Buf) == 0) {
 106                                 state ++;
 107                                 break;
 108                         }
 109                         StrBufExtract_token(HdrToken, Buf, 0, '=');
 110                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 111
 112                         lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 113                         /* look up one of the examine_* functions to parse the content */
 114                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 115                             (vHdr != NULL)) {
 116                                 Hdr = (headereval*)vHdr;
 117                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 118                                 if (Hdr->Type == 1) {
 119                                         state++;
 120                                 }
 121                         }
 122                         else lprintf(1, "don't know how to handle message header[%s]\n", ChrPtr(HdrToken));
 123                         break;
 124                 case 1:/* Message Mime Header */
 125                         if (StrLength(Buf) == 0) {
 126                                 state++;
 127                                 if (Msg->MsgBody->ContentType == NULL)
 128                                         /* end of header or no header? */
 129                                         Msg->MsgBody->ContentType = NewStrBufPlain(HKEY("text/plain"));
 130                                  /* usual end of mime header */
 131                         }
 132                         else
 133                         {
 134                                 StrBufExtract_token(HdrToken, Buf, 0, ':');
 135                                 if (StrLength(HdrToken) > 0) {
 136                                         StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
 137                                         lprintf(1, ":: [%s] = [%s]\n", ChrPtr(HdrToken), ChrPtr(Buf));
 138                                         /* the examine*'s know how to do with mime headers too... */
 139                                         if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
 140                                             (vHdr != NULL)) {
 141                                                 Hdr = (headereval*)vHdr;
 142                                                 Hdr->evaluator(Msg, Buf, FoundCharset);
 143                                         }
 144                                         break;
 145                                 }
 146                         }
 147                 case 2: /* Message Body */
 148
 149                         if (Msg->MsgBody->size_known > 0) {
 150                                 StrBuf_ServGetBLOB(Msg->MsgBody->Data, Msg->MsgBody->length);
 151                                 state ++;
 152                                         /// todo: check next line, if not 000, append following lines
 153                         }
 154                         else if (1){
 155                                 if (StrLength(Msg->MsgBody->Data) > 0)
 156                                         StrBufAppendBufPlain(Msg->MsgBody->Data, "\n", 1, 0);
 157                                 StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 158                         }
 159                         break;
 160                 case 3:
 161                         StrBufAppendBuf(Msg->MsgBody->Data, Buf, 0);
 162                         break;
 163                 }
 164         }
 165
 166         if (Msg->AllAttach == NULL)
 167                 Msg->AllAttach = NewHash(1,NULL);
 168         /* now we put the body mimepart we read above into the mimelist */
 169         Put(Msg->AllAttach, SKEY(Msg->MsgBody->PartNum), Msg->MsgBody, DestroyMime);
 170
 171         /* strip the bare contenttype, so we ommit charset etc. */
 172         StrBufExtract_token(Buf, Msg->MsgBody->ContentType, 0, ';');
 173         StrBufTrim(Buf);
 174         /* look up the renderer, that will convert this mimeitem into the htmlized form */
 175         if (GetHash(MimeRenderHandler, SKEY(Buf), &vHdr) &&
 176             (vHdr != NULL)) {
 177                 RenderMimeFunc Render;
 178                 Render = (RenderMimeFunc)vHdr;
 179                 Render(Msg->MsgBody, NULL, FoundCharset);
 180         }
 181
 182         if (StrLength(Msg->reply_references)> 0) {
 183                 /* Trim down excessively long lists of thread references.  We eliminate the
 184                  * second one in the list so that the thread root remains intact.
 185                  */
 186                 int rrtok = num_tokens(ChrPtr(Msg->reply_references), '|');
 187                 int rrlen = StrLength(Msg->reply_references);
 188                 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
 189                         StrBufRemove_token(Msg->reply_references, 1, '|');
 190                 }
 191         }
 192
 193         /* Generate a reply-to address */
 194         if (StrLength(Msg->Rfca) > 0) {
 195                 if (Msg->reply_to == NULL)
 196                         Msg->reply_to = NewStrBuf();
 197                 if (StrLength(Msg->from) > 0) {
 198                         StrBufPrintf(Msg->reply_to, "%s <%s>", ChrPtr(Msg->from), ChrPtr(Msg->Rfca));
 199                 }
 200                 else {
 201                         FlushStrBuf(Msg->reply_to);
 202                         StrBufAppendBuf(Msg->reply_to, Msg->Rfca, 0);
 203                 }
 204         }
 205         else
 206         {
 207                 if ((StrLength(Msg->OtherNode)>0) &&
 208                     (strcasecmp(ChrPtr(Msg->OtherNode), serv_info.serv_nodename)) &&
 209                     (strcasecmp(ChrPtr(Msg->OtherNode), serv_info.serv_humannode)) )
 210                 {
 211                         if (Msg->reply_to == NULL)
 212                                 Msg->reply_to = NewStrBuf();
 213                         StrBufPrintf(Msg->reply_to,
 214                                      "%s @ %s",
 215                                      ChrPtr(Msg->from),
 216                                      ChrPtr(Msg->OtherNode));
 217                 }
 218                 else {
 219                         if (Msg->reply_to == NULL)
 220                                 Msg->reply_to = NewStrBuf();
 221                         FlushStrBuf(Msg->reply_to);
 222                         StrBufAppendBuf(Msg->reply_to, Msg->from, 0);
 223                 }
 224         }
 225
 226         /* now check if we need to translate some mimeparts, and remove the duplicate */
 227         it = GetNewHashPos(Msg->AllAttach, 0);
 228         while (GetNextHashPos(Msg->AllAttach, it, &len, &Key, &vMime) &&
 229                (vMime != NULL)) {
 230                 wc_mime_attachment *Mime = (wc_mime_attachment*) vMime;
 231                 evaluate_mime_part(Msg, Mime);
 232         }
 233         DeleteHashPos(&it);
 234
 235         DoTemplate(tmpl, tmpllen, Target, Msg, CTX_MAILSUM);
 236
 237         DestroyMessageSummary(Msg);
 238         FreeStrBuf(&FoundCharset);
 239         FreeStrBuf(&HdrToken);
 240         FreeStrBuf(&Buf);
 241         return 1;
 242 }
 243
 244
 245
 246 /*
 247  * Unadorned HTML output of an individual message, suitable
 248  * for placing in a hidden iframe, for printing, or whatever
 249  *
 250  * msgnum_as_string == Message number, as a string instead of as a long int
 251  */
 252 void embed_message(void) {
 253         long msgnum = 0L;
 254         const StrBuf *Tmpl = sbstr("template");
 255
 256         msgnum = StrTol(WC->UrlFragment2);
 257         if (StrLength(Tmpl) > 0)
 258                 read_message(WC->WBuf, SKEY(Tmpl), msgnum, 0, NULL);
 259         else
 260                 read_message(WC->WBuf, HKEY("view_message"), msgnum, 0, NULL);
 261 }
 262
 263
 264 /*
 265  * Printable view of a message
 266  *
 267  * msgnum_as_string == Message number, as a string instead of as a long int
 268  */
 269 void print_message(void) {
 270         long msgnum = 0L;
 271
 272         msgnum = StrTol(WC->UrlFragment2);
 273         output_headers(0, 0, 0, 0, 0, 0);
 274
 275         hprintf("Content-type: text/html\r\n"
 276                 "Server: " PACKAGE_STRING "\r\n"
 277                 "Connection: close\r\n");
 278
 279         begin_burst();
 280
 281         read_message(WC->WBuf, HKEY("view_message_print"), msgnum, 1, NULL);
 282
 283         wDumpContent(0);
 284 }
 285
 286 /*
 287  * Mobile browser view of message
 288  *
 289  * @param msg_num_as_string Message number as a string instead of as a long int
 290  */
 291 void mobile_message_view(void) {
 292   long msgnum = 0L;
 293   msgnum = StrTol(WC->UrlFragment2);
 294   output_headers(1, 0, 0, 0, 0, 1);
 295   begin_burst();
 296   do_template("msgcontrols", NULL);
 297   read_message(WC->WBuf, HKEY("view_message"), msgnum,1, NULL);
 298   wDumpContent(0);
 299 }
 300
 301 /**
 302  * \brief Display a message's headers
 303  *
 304  * \param msgnum_as_string Message number, as a string instead of as a long int
 305  */
 306 void display_headers(void) {
 307         long msgnum = 0L;
 308         char buf[1024];
 309
 310         msgnum = StrTol(WC->UrlFragment2);
 311         output_headers(0, 0, 0, 0, 0, 0);
 312
 313         hprintf("Content-type: text/plain\r\n"
 314                 "Server: %s\r\n"
 315                 "Connection: close\r\n",
 316                 PACKAGE_STRING);
 317         begin_burst();
 318
 319         serv_printf("MSG2 %ld|3", msgnum);
 320         serv_getln(buf, sizeof buf);
 321         if (buf[0] == '1') {
 322                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 323                         wprintf("%s\n", buf);
 324                 }
 325         }
 326
 327         wDumpContent(0);
 328 }
 329
 330
 331 message_summary *ReadOneMessageSummary(StrBuf *RawMessage, const char *DefaultSubject, long MsgNum)
 332 {
 333         void                 *vEval;
 334         MsgPartEvaluatorFunc  Eval;
 335         message_summary      *Msg;
 336         StrBuf *Buf;
 337         const char *buf;
 338         const char *ebuf;
 339         int nBuf;
 340         long len;
 341
 342         Buf = NewStrBuf();
 343
 344         serv_printf("MSG0 %ld|1", MsgNum);      /* ask for headers only */
 345
 346         StrBuf_ServGetln(Buf);
 347         if (GetServerStatus(Buf, NULL) == 1) {
 348                 FreeStrBuf(&Buf);
 349                 return NULL;
 350         }
 351
 352         Msg = (message_summary*)malloc(sizeof(message_summary));
 353         memset(Msg, 0, sizeof(message_summary));
 354         while (len = StrBuf_ServGetln(Buf),
 355                ((len != 3)  ||
 356                 strcmp(ChrPtr(Buf), "000")== 0)){
 357                 buf = ChrPtr(Buf);
 358                 ebuf = strchr(ChrPtr(Buf), '=');
 359                 nBuf = ebuf - buf;
 360                 if (GetHash(MsgEvaluators, buf, nBuf, &vEval) && vEval != NULL) {
 361                         Eval = (MsgPartEvaluatorFunc) vEval;
 362                         StrBufCutLeft(Buf, nBuf + 1);
 363                         Eval(Msg, Buf);
 364                 }
 365                 else lprintf(1, "Don't know how to handle Message Headerline [%s]", ChrPtr(Buf));
 366         }
 367         return Msg;
 368 }
 369
 370
 371
 372
 373
 374 /*
 375  * load message pointers from the server for a "read messages" operation
 376  *
 377  * servcmd:             the citadel command to send to the citserver
 378  * with_headers:        also include some of the headers with the message numbers (more expensive)
 379  */
 380 int load_msg_ptrs(char *servcmd, int with_headers)
 381 {
 382         StrBuf* FoundCharset = NULL;
 383         wcsession *WCC = WC;
 384         message_summary *Msg;
 385         StrBuf *Buf, *Buf2;
 386         int nummsgs = 0;
 387         int maxload = 0;
 388         long len;
 389         int n;
 390
 391         if (WCC->summ != NULL) {
 392                 if (WCC->summ != NULL)
 393                         DeleteHash(&WCC->summ);
 394         }
 395         WCC->summ = NewHash(1, Flathash);
 396         maxload = 10000;
 397
 398         Buf = NewStrBuf();
 399         serv_puts(servcmd);
 400         StrBuf_ServGetln(Buf);
 401         if (GetServerStatus(Buf, NULL) != 1) {
 402                 FreeStrBuf(&Buf);
 403                 return (nummsgs);
 404         }
 405 // TODO                         if (with_headers) { //// TODO: Have Attachments?
 406         Buf2 = NewStrBuf();
 407         while (len = StrBuf_ServGetln(Buf),
 408                ((len != 3)  ||
 409                 strcmp(ChrPtr(Buf), "000")!= 0))
 410         {
 411                 if (nummsgs < maxload) {
 412                         Msg = (message_summary*)malloc(sizeof(message_summary));
 413                         memset(Msg, 0, sizeof(message_summary));
 414
 415                         Msg->msgnum = StrBufExtract_long(Buf, 0, '|');
 416                         Msg->date = StrBufExtract_long(Buf, 1, '|');
 417
 418                         Msg->from = NewStrBufPlain(NULL, StrLength(Buf));
 419                         StrBufExtract_token(Buf2, Buf, 2, '|');
 420                         if (StrLength(Buf2) != 0) {
 421                                 /** Handle senders with RFC2047 encoding */
 422                                 StrBuf_RFC822_to_Utf8(Msg->from, Buf2, WCC->DefaultCharset, FoundCharset);
 423                         }
 424
 425                         /** Nodename */
 426                         StrBufExtract_token(Buf2, Buf, 3, '|');
 427                         if ((StrLength(Buf2) !=0 ) &&
 428                             ( ((WCC->room_flags & QR_NETWORK)
 429                                || ((strcasecmp(ChrPtr(Buf2), serv_info.serv_nodename)
 430                                     && (strcasecmp(ChrPtr(Buf2), serv_info.serv_fqdn)))))))
 431                         {
 432                                 StrBufAppendBufPlain(Msg->from, HKEY(" @ "), 0);
 433                                 StrBufAppendBuf(Msg->from, Buf2, 0);
 434                         }
 435
 436                         /** Not used:
 437                         StrBufExtract_token(Msg->inetaddr, Buf, 4, '|');
 438                         */
 439
 440                         Msg->subj = NewStrBufPlain(NULL, StrLength(Buf));
 441                         StrBufExtract_token(Buf2,  Buf, 5, '|');
 442                         if (StrLength(Buf2) == 0)
 443                                 StrBufAppendBufPlain(Msg->subj, _("(no subj)"), -1,0);
 444                         else {
 445                                 StrBuf_RFC822_to_Utf8(Msg->subj, Buf2, WCC->DefaultCharset, FoundCharset);
 446                                 if ((StrLength(Msg->subj) > 75) &&
 447                                     (StrBuf_Utf8StrLen(Msg->subj) > 75)) {
 448                                         StrBuf_Utf8StrCut(Msg->subj, 72);
 449                                         StrBufAppendBufPlain(Msg->subj, HKEY("..."), 0);
 450                                 }
 451                         }
 452
 453
 454                         if ((StrLength(Msg->from) > 25) &&
 455                             (StrBuf_Utf8StrLen(Msg->from) > 25)) {
 456                                 StrBuf_Utf8StrCut(Msg->from, 23);
 457                                 StrBufAppendBufPlain(Msg->from, HKEY("..."), 0);
 458                         }
 459                         n = Msg->msgnum;
 460                         Put(WCC->summ, (const char *)&n, sizeof(n), Msg, DestroyMessageSummary);
 461                 }
 462                 nummsgs++;
 463         }
 464         FreeStrBuf(&Buf2);
 465         FreeStrBuf(&Buf);
 466         return (nummsgs);
 467 }
 468
 469
 470 inline message_summary* GetMessagePtrAt(int n, HashList *Summ)
 471 {
 472         const char *Key;
 473         long HKLen;
 474         void *vMsg;
 475
 476         if (Summ == NULL)
 477                 return NULL;
 478         GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
 479         return (message_summary*) vMsg;
 480 }
 481
 482
 483 void DrawMessageDropdown(StrBuf *Selector, long maxmsgs, long startmsg)
 484 {
 485         StrBuf *TmpBuf;
 486         wcsession *WCC = WC;
 487         message_summary* Msg;
 488         int lo, hi, n;
 489         int i = 0;
 490         long StartMsg = 0;
 491         void *vMsg;
 492         long hklen;
 493         const char *key;
 494         int done = 0;
 495         int nItems;
 496         HashPos *At;
 497         long vector[16];
 498         int nMessages = DEFAULT_MAXMSGS;
 499
 500         TmpBuf = NewStrBuf();
 501         At = GetNewHashPos(WCC->summ, (lbstr("SortOrder") == 1)? -nMessages : nMessages);
 502         nItems = GetCount(WCC->summ);
 503
 504         vector[0] = 7;
 505         vector[1] = startmsg;
 506         vector[2] = maxmsgs;
 507         vector[3] = 0;
 508         vector[4] = 1;
 509
 510         while (!done) {
 511                 lo = GetHashPosCounter(At);
 512                 if (lo + nMessages > nItems) {
 513                         hi = nItems;
 514                 }
 515                 else {
 516                         hi = lo + nMessages;
 517                 }
 518                 done = !GetNextHashPos(WCC->summ, At, &hklen, &key, &vMsg);
 519                 Msg = (message_summary*) vMsg;
 520                 n = (Msg==NULL)? 0 : Msg->msgnum;
 521                 if (i == 0)
 522                         StartMsg = n;
 523                 vector[4] = lo;
 524                 vector[5] = hi;
 525                 vector[6] = n;
 526                 FlushStrBuf(TmpBuf);
 527                 DoTemplate(HKEY("select_messageindex"), TmpBuf, &vector, CTX_LONGVECTOR);
 528                 StrBufAppendBuf(Selector, TmpBuf, 0);
 529                 i++;
 530         }
 531         vector[6] = StartMsg;
 532         FlushStrBuf(TmpBuf);
 533         DoTemplate(HKEY("select_messageindex_all"), TmpBuf, &vector, CTX_LONGVECTOR);
 534         StrBufAppendBuf(Selector, TmpBuf, 0);
 535         FreeStrBuf(&TmpBuf);
 536         DeleteHashPos(&At);
 537 }
 538
 539 void load_seen_flags(void)
 540 {
 541         message_summary *Msg;
 542         const char *HashKey;
 543         long HKLen;
 544         StrBuf *OldMsg = NewStrBuf();;
 545         wcsession *WCC = WC;
 546         HashPos *at;
 547         void *vMsg;
 548
 549         serv_puts("GTSN");
 550         StrBuf_ServGetln(OldMsg);
 551         if (ChrPtr(OldMsg)[0] == '2') {
 552                 StrBufCutLeft(OldMsg, 4);
 553         }
 554         else {
 555                 FreeStrBuf(&OldMsg);
 556                 return;
 557         }
 558         at = GetNewHashPos(WCC->summ, 0);
 559         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 560                 /** Are you a new message, or an old message? */
 561                 Msg = (message_summary*) vMsg;
 562                 if (is_msg_in_mset(ChrPtr(OldMsg), Msg->msgnum)) {
 563                         Msg->is_new = 0;
 564                 }
 565                 else {
 566                         Msg->is_new = 1;
 567                 }
 568         }
 569         FreeStrBuf(&OldMsg);
 570         DeleteHashPos(&at);
 571 }
 572
 573 extern readloop_struct rlid[];
 574
 575 /*
 576  * command loop for reading messages
 577  *
 578  * Set oper to "readnew" or "readold" or "readfwd" or "headers"
 579  */
 580 void readloop(long oper)
 581 {
 582         StrBuf *MessageDropdown = NULL;
 583         StrBuf *BBViewToolBar = NULL;
 584         void *vMsg;
 585         message_summary *Msg;
 586         char cmd[256] = "";
 587         char buf[SIZ];
 588         int a = 0;
 589         int nummsgs;
 590         long startmsg = 0;
 591         int maxmsgs = 0;
 592         long *displayed_msgs = NULL;
 593         int num_displayed = 0;
 594         int is_summary = 0;
 595         int is_addressbook = 0;
 596         int is_singlecard = 0;
 597         int is_calendar = 0;
 598         struct calview calv;
 599         int is_tasks = 0;
 600         int is_notes = 0;
 601         int is_bbview = 0;
 602         int lowest_displayed = (-1);
 603         int highest_displayed = 0;
 604         addrbookent *addrbook = NULL;
 605         int num_ab = 0;
 606         int bbs_reverse = 0;
 607         wcsession *WCC = WC;
 608         HashPos *at;
 609         const char *HashKey;
 610         long HKLen;
 611         int care_for_empty_list = 0;
 612         int load_seen = 0;
 613         int sortit = 0;
 614
 615         switch (WCC->wc_view) {
 616         case VIEW_WIKI:
 617                 sprintf(buf, "wiki?room=%s&page=home", WCC->wc_roomname);
 618                 http_redirect(buf);
 619                 return;
 620         case VIEW_CALENDAR:
 621                 load_seen = 1;
 622                 is_calendar = 1;
 623                 strcpy(cmd, "MSGS ALL|||1");
 624                 maxmsgs = 32767;
 625                 parse_calendar_view_request(&calv);
 626                 break;
 627         case VIEW_TASKS:
 628                 is_tasks = 1;
 629                 strcpy(cmd, "MSGS ALL");
 630                 maxmsgs = 32767;
 631                 break;
 632         case VIEW_NOTES:
 633                 is_notes = 1;
 634                 strcpy(cmd, "MSGS ALL");
 635                 maxmsgs = 32767;
 636                 wprintf("<div id=\"new_notes_here\"></div>\n");
 637                 break;
 638         case VIEW_ADDRESSBOOK:
 639                 is_singlecard = ibstr("is_singlecard");
 640                 if (is_singlecard != 1) {
 641                         is_addressbook = 1;
 642                         if (oper == do_search) {
 643                                 snprintf(cmd, sizeof(cmd), "MSGS SEARCH|%s", bstr("query"));
 644                         }
 645                         else {
 646                                 strcpy(cmd, "MSGS ALL");
 647                         }
 648                         maxmsgs = 9999999;
 649                         break;
 650                 }
 651                 break;
 652         default:
 653                 care_for_empty_list = 1;
 654                 startmsg = lbstr("startmsg");
 655                 if (havebstr("maxmsgs"))
 656                         maxmsgs = ibstr("maxmsgs");
 657                 is_summary = (ibstr("is_summary") && !WCC->is_mobile);
 658                 if (maxmsgs == 0) maxmsgs = DEFAULT_MAXMSGS;
 659
 660
 661
 662                 /*
 663                  * When in summary mode, always show ALL messages instead of just
 664                  * new or old.  Otherwise, show what the user asked for.
 665                  */
 666                 rlid[oper].cmd(cmd, sizeof(cmd));
 667
 668                 if ((WCC->wc_view == VIEW_MAILBOX) && (maxmsgs > 1) && !WCC->is_mobile) {
 669                         is_summary = 1;
 670                         if (oper != do_search) {
 671                                 strcpy(cmd, "MSGS ALL");
 672                         }
 673                 }
 674
 675                 is_bbview = !is_summary;
 676                 if (is_summary) {                       /**< fetch header summary */
 677                         load_seen = 1;
 678                         snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 679                                  (oper == do_search) ? "SEARCH" : "ALL",
 680                                  (oper == do_search) ? bstr("query") : ""
 681                                 );
 682                         startmsg = 1;
 683                         maxmsgs = 9999999;
 684                 }
 685
 686                 bbs_reverse = is_bbview && (lbstr("SortOrder") == 2);
 687
 688                 sortit = is_summary || WCC->is_mobile;
 689         }
 690
 691
 692         output_headers(1, 1, 1, 0, 0, 0);
 693
 694         /* TODO: how can we best sort this in?
 695         if (WCC->is_mobile) {
 696                 maxmsgs = 20;
 697                 snprintf(cmd, sizeof(cmd), "MSGS %s|%s||1",
 698                         (!strcmp(oper, "do_search") ? "SEARCH" : "ALL"),
 699                         (!strcmp(oper, "do_search") ? bstr("query") : "")
 700                 );
 701                 SortBy =  eRDate;
 702         }
 703         */
 704         /*
 705          * Are we doing a summary view?  If so, we need to know old messages
 706          * and new messages, so we can do that pretty boldface thing for the
 707          * new messages.
 708          */
 709         nummsgs = load_msg_ptrs(cmd, (is_summary || WCC->is_mobile));
 710         if (nummsgs == 0) {
 711                 if (care_for_empty_list) {
 712                         wprintf("<div align=\"center\"><br /><em>");
 713                         switch (oper) {
 714                         case readnew:
 715                                 wprintf(_("No new messages."));
 716                                 break;
 717                         case readold:
 718                                 wprintf(_("No old messages."));
 719                                 break;
 720                         default:
 721                                 wprintf(_("No messages here."));
 722                         }
 723                         wprintf("</em><br /></div>\n");
 724                 }
 725
 726                 goto DONE;
 727         }
 728         if (is_bbview && (startmsg == 0L)) {
 729                 if (bbs_reverse) {
 730                         Msg = GetMessagePtrAt((nummsgs >= maxmsgs) ? (nummsgs - maxmsgs) : 0, WCC->summ);
 731                         startmsg = (Msg==NULL)? 0 : Msg->msgnum;
 732                 }
 733                 else {
 734                         Msg = GetMessagePtrAt(0, WCC->summ);
 735                         startmsg = (Msg==NULL)? 0 : Msg->msgnum;
 736                 }
 737         }
 738
 739         if (load_seen) load_seen_flags();
 740
 741         if (sortit) {
 742                 CompareFunc SortIt;
 743                 SortIt =  RetrieveSort(CTX_MAILSUM, NULL,
 744                                        HKEY("date"), 2);
 745                 if (SortIt != NULL)
 746                         SortByPayload(WCC->summ, SortIt);
 747         }
 748
 749         if (is_summary) {
 750                 do_template("summary_header", NULL);
 751         } else if (WCC->is_mobile) {
 752                 wprintf("<div id=\"message_list\">");
 753         }
 754
 755
 756         /**
 757          * If we're not currently looking at ALL requested
 758          * messages, then display the selector bar
 759          */
 760         if (is_bbview)  {
 761                 BBViewToolBar = NewStrBuf();
 762                 MessageDropdown = NewStrBuf();
 763
 764                 DrawMessageDropdown(MessageDropdown, maxmsgs, startmsg);
 765
 766                 DoTemplate(HKEY("msg_listselector_top"), BBViewToolBar, MessageDropdown, CTX_STRBUF);
 767                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 768                 FlushStrBuf(BBViewToolBar);
 769         }
 770
 771         at = GetNewHashPos(WCC->summ, 0);
 772         while (GetNextHashPos(WCC->summ, at, &HKLen, &HashKey, &vMsg)) {
 773                 Msg = (message_summary*) vMsg;
 774                 if ((Msg->msgnum >= startmsg) && (num_displayed < maxmsgs)) {
 775
 776                         /** Display the message */
 777                         if (is_summary) {
 778                                 DoTemplate(HKEY("section_mailsummary"), NULL, Msg, CTX_MAILSUM);
 779                         }
 780                         else if (is_addressbook) {
 781                                 fetch_ab_name(Msg, buf);
 782                                 ++num_ab;
 783                                 addrbook = realloc(addrbook,
 784                                                    (sizeof(addrbookent) * num_ab) );
 785                                 safestrncpy(addrbook[num_ab-1].ab_name, buf,
 786                                             sizeof(addrbook[num_ab-1].ab_name));
 787                                 addrbook[num_ab-1].ab_msgnum = Msg->msgnum;
 788                         }
 789                         else if (is_calendar) {
 790                                 load_calendar_item(Msg, Msg->is_new, &calv);
 791                         }
 792                         else if (is_tasks) {
 793                                 display_task(Msg, Msg->is_new);
 794                         }
 795                         else if (is_notes) {
 796                                 display_note(Msg, Msg->is_new);
 797                         } else if (WCC->is_mobile) {
 798                                 DoTemplate(HKEY("section_mailsummary"), NULL, Msg, CTX_MAILSUM);
 799                         }
 800                         else {
 801                                 if (displayed_msgs == NULL) {
 802                                         displayed_msgs = malloc(sizeof(long) *
 803                                                                 (maxmsgs<nummsgs ? maxmsgs : nummsgs));
 804                                 }
 805                                 displayed_msgs[num_displayed] = Msg->msgnum;
 806                         }
 807
 808                         if (lowest_displayed < 0) lowest_displayed = a;
 809                         highest_displayed = a;
 810
 811                         ++num_displayed;
 812                 }
 813         }
 814         DeleteHashPos(&at);
 815
 816         /** Output loop */
 817         if (displayed_msgs != NULL) {
 818                 if (bbs_reverse) {
 819                         ////TODOqsort(displayed_msgs, num_displayed, sizeof(long), qlongcmp_r);
 820                 }
 821
 822                 /** if we do a split bbview in the future, begin messages div here */
 823
 824                 for (a=0; a<num_displayed; ++a) {
 825                         read_message(WC->WBuf, HKEY("view_message"), displayed_msgs[a], 0, NULL);
 826                 }
 827
 828                 /** if we do a split bbview in the future, end messages div here */
 829
 830                 free(displayed_msgs);
 831                 displayed_msgs = NULL;
 832         }
 833
 834         if (is_summary) {
 835                 do_template("summary_trailer", NULL);
 836         } else if (WCC->is_mobile) {
 837                 wprintf("</div>");
 838         }
 839
 840         /**
 841          * Bump these because although we're thinking in zero base, the user
 842          * is a drooling idiot and is thinking in one base.
 843          */
 844         ++lowest_displayed;
 845         ++highest_displayed;
 846
 847         /**
 848          * If we're not currently looking at ALL requested
 849          * messages, then display the selector bar
 850          */
 851         if (is_bbview) {
 852                 /** begin bbview scroller */
 853
 854                 DoTemplate(HKEY("msg_listselector_bottom"), BBViewToolBar, MessageDropdown, CTX_STRBUF);
 855                 StrBufAppendBuf(WCC->WBuf, BBViewToolBar, 0);
 856
 857                 FreeStrBuf(&BBViewToolBar);
 858                 FreeStrBuf(&MessageDropdown);
 859         }
 860
 861 DONE:
 862         if (is_tasks) {
 863                 do_tasks_view();        /** Render the task list */
 864         }
 865
 866         if (is_calendar) {
 867                 render_calendar_view(&calv);
 868         }
 869
 870         if (is_addressbook) {
 871                 do_addrbook_view(addrbook, num_ab);     /** Render the address book */
 872         }
 873
 874         /** Note: wDumpContent() will output one additional </div> tag. */
 875         wprintf("</div>\n");            /** end of 'content' div */
 876         wDumpContent(1);
 877
 878         /** free the summary */
 879         if (WCC->summ != NULL) {
 880                 DeleteHash(&WCC->summ);
 881         }
 882         if (addrbook != NULL) free(addrbook);
 883         FreeStrBuf(&BBViewToolBar);
 884 }
 885
 886
 887 /*
 888  * Back end for post_message()
 889  * ... this is where the actual message gets transmitted to the server.
 890  */
 891 void post_mime_to_server(void) {
 892         wcsession *WCC = WC;
 893         char top_boundary[SIZ];
 894         char alt_boundary[SIZ];
 895         int is_multipart = 0;
 896         static int seq = 0;
 897         wc_mime_attachment *att;
 898         char *encoded;
 899         size_t encoded_length;
 900         size_t encoded_strlen;
 901         char *txtmail = NULL;
 902
 903         sprintf(top_boundary, "Citadel--Multipart--%s--%04x--%04x",
 904                 serv_info.serv_fqdn,
 905                 getpid(),
 906                 ++seq
 907         );
 908         sprintf(alt_boundary, "Citadel--Multipart--%s--%04x--%04x",
 909                 serv_info.serv_fqdn,
 910                 getpid(),
 911                 ++seq
 912         );
 913
 914         /* RFC2045 requires this, and some clients look for it... */
 915         serv_puts("MIME-Version: 1.0");
 916         serv_puts("X-Mailer: " PACKAGE_STRING);
 917
 918         /* If there are attachments, we have to do multipart/mixed */
 919         if (GetCount(WCC->attachments) > 0) {
 920                 is_multipart = 1;
 921         }
 922
 923         if (is_multipart) {
 924                 /* Remember, serv_printf() appends an extra newline */
 925                 serv_printf("Content-type: multipart/mixed; boundary=\"%s\"\n", top_boundary);
 926                 serv_printf("This is a multipart message in MIME format.\n");
 927                 serv_printf("--%s", top_boundary);
 928         }
 929
 930         /* Remember, serv_printf() appends an extra newline */
 931         serv_printf("Content-type: multipart/alternative; "
 932                 "boundary=\"%s\"\n", alt_boundary);
 933         serv_printf("This is a multipart message in MIME format.\n");
 934         serv_printf("--%s", alt_boundary);
 935
 936         serv_puts("Content-type: text/plain; charset=utf-8");
 937         serv_puts("Content-Transfer-Encoding: quoted-printable");
 938         serv_puts("");
 939         txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
 940         text_to_server_qp(txtmail);     /* Transmit message in quoted-printable encoding */
 941         free(txtmail);
 942
 943         serv_printf("--%s", alt_boundary);
 944
 945         serv_puts("Content-type: text/html; charset=utf-8");
 946         serv_puts("Content-Transfer-Encoding: quoted-printable");
 947         serv_puts("");
 948         serv_puts("<html><body>\r\n");
 949         text_to_server_qp(bstr("msgtext"));     /* Transmit message in quoted-printable encoding */
 950         serv_puts("</body></html>\r\n");
 951
 952         serv_printf("--%s--", alt_boundary);
 953
 954         if (is_multipart) {
 955                 long len;
 956                 const char *Key;
 957                 void *vAtt;
 958                 HashPos  *it;
 959
 960                 /* Add in the attachments */
 961                 it = GetNewHashPos(WCC->attachments, 0);
 962                 while (GetNextHashPos(WCC->attachments, it, &len, &Key, &vAtt)) {
 963                         att = (wc_mime_attachment *)vAtt;
 964                         encoded_length = ((att->length * 150) / 100);
 965                         encoded = malloc(encoded_length);
 966                         if (encoded == NULL) break;
 967                         encoded_strlen = CtdlEncodeBase64(encoded, ChrPtr(att->Data), StrLength(att->Data), 1);
 968
 969                         serv_printf("--%s", top_boundary);
 970                         serv_printf("Content-type: %s", ChrPtr(att->ContentType));
 971                         serv_printf("Content-disposition: attachment; filename=\"%s\"", ChrPtr(att->FileName));
 972                         serv_puts("Content-transfer-encoding: base64");
 973                         serv_puts("");
 974                         serv_write(encoded, encoded_strlen);
 975                         serv_puts("");
 976                         serv_puts("");
 977                         free(encoded);
 978                 }
 979                 serv_printf("--%s--", top_boundary);
 980                 DeleteHashPos(&it);
 981         }
 982
 983         serv_puts("000");
 984 }
 985
 986
 987 /*
 988  * Post message (or don't post message)
 989  *
 990  * Note regarding the "dont_post" variable:
 991  * A random value (actually, it's just a timestamp) is inserted as a hidden
 992  * field called "postseq" when the display_enter page is generated.  This
 993  * value is checked when posting, using the static variable dont_post.  If a
 994  * user attempts to post twice using the same dont_post value, the message is
 995  * discarded.  This prevents the accidental double-saving of the same message
 996  * if the user happens to click the browser "back" button.
 997  */
 998 void post_message(void)
 999 {
1000         char buf[1024];
1001         StrBuf *encoded_subject = NULL;
1002         static long dont_post = (-1L);
1003         wc_mime_attachment  *att;
1004         int is_anonymous = 0;
1005         const StrBuf *display_name = NULL;
1006         wcsession *WCC = WC;
1007
1008         if (havebstr("force_room")) {
1009                 gotoroom(bstr("force_room"));
1010         }
1011
1012         if (havebstr("display_name")) {
1013                 display_name = sbstr("display_name");
1014                 if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1015                         display_name = NULL;
1016                         is_anonymous = 1;
1017                 }
1018         }
1019
1020         if (WCC->upload_length > 0) {
1021                 const char *pch;
1022                 int n;
1023                 char N[64];
1024
1025                 lprintf(9, "%s:%d: we are uploading %d bytes\n", __FILE__, __LINE__, WCC->upload_length);
1026                 /** There's an attachment.  Save it to this struct... */
1027                 att = malloc(sizeof(wc_mime_attachment));
1028                 memset(att, 0, sizeof(wc_mime_attachment ));
1029                 att->length = WCC->upload_length;
1030                 att->ContentType = NewStrBufPlain(WCC->upload_content_type, -1);
1031                 att->FileName = NewStrBufPlain(WCC->upload_filename, -1);
1032
1033
1034                 if (WCC->attachments == NULL)
1035                         WCC->attachments = NewHash(1, NULL);
1036                 /* And add it to the list. */
1037                 n = snprintf(N, sizeof N, "%d", GetCount(WCC->attachments) + 1);
1038                 Put(WCC->attachments, N, n, att, DestroyMime);
1039
1040                 /**
1041                  * Mozilla sends a simple filename, which is what we want,
1042                  * but Satan's Browser sends an entire pathname.  Reduce
1043                  * the path to just a filename if we need to.
1044                  */
1045                 pch = strrchr(ChrPtr(att->FileName), '/');
1046                 if (pch != NULL) {
1047                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1048                 }
1049                 pch = strrchr(ChrPtr(att->FileName), '\\');
1050                 if (pch != NULL) {
1051                         StrBufCutLeft(att->FileName, pch - ChrPtr(att->FileName));
1052                 }
1053
1054                 /**
1055                  * Transfer control of this memory from the upload struct
1056                  * to the attachment struct.
1057                  */
1058                 att->Data = NewStrBufPlain(WCC->upload, WCC->upload_length);
1059                 free(WCC->upload);
1060                 WCC->upload_length = 0;
1061                 WCC->upload = NULL;
1062                 display_enter();
1063                 return;
1064         }
1065
1066         if (havebstr("cancel_button")) {
1067                 sprintf(WCC->ImportantMessage,
1068                         _("Cancelled.  Message was not posted."));
1069         } else if (havebstr("attach_button")) {
1070                 display_enter();
1071                 return;
1072         } else if (lbstr("postseq") == dont_post) {
1073                 sprintf(WCC->ImportantMessage,
1074                         _("Automatically cancelled because you have already "
1075                         "saved this message."));
1076         } else {
1077                 const char CMD[] = "ENT0 1|%s|%d|4|%s|%s||%s|%s|%s|%s|%s";
1078                 const StrBuf *Recp = NULL;
1079                 const StrBuf *Cc = NULL;
1080                 const StrBuf *Bcc = NULL;
1081                 const StrBuf *Wikipage = NULL;
1082                 const StrBuf *my_email_addr = NULL;
1083                 StrBuf *CmdBuf = NULL;;
1084                 StrBuf *references = NULL;
1085
1086                 if (havebstr("references"))
1087                 {
1088                         const StrBuf *ref = sbstr("references");
1089                         references = NewStrBufPlain(ChrPtr(ref), StrLength(ref));
1090                         lprintf(9, "Converting: %s\n", ChrPtr(references));
1091                         StrBufReplaceChars(references, '|', '!');
1092                         lprintf(9, "Converted: %s\n", ChrPtr(references));
1093                 }
1094                 if (havebstr("subject")) {
1095                         const StrBuf *Subj;
1096                         /*
1097                          * make enough room for the encoded string;
1098                          * plus the QP header
1099                          */
1100                         Subj = sbstr("subject");
1101
1102                         StrBufRFC2047encode(&encoded_subject, Subj);
1103                 }
1104                 Recp = sbstr("recp");
1105                 Cc = sbstr("cc");
1106                 Bcc = sbstr("bcc");
1107                 Wikipage = sbstr("wikipage");
1108                 my_email_addr = sbstr("my_email_addr");
1109
1110                 CmdBuf = NewStrBufPlain(NULL,
1111                                         sizeof (CMD) +
1112                                         StrLength(Recp) +
1113                                         StrLength(encoded_subject) +
1114                                         StrLength(Cc) +
1115                                         StrLength(Bcc) +
1116                                         StrLength(Wikipage) +
1117                                         StrLength(my_email_addr) +
1118                                         StrLength(references));
1119
1120                 StrBufPrintf(CmdBuf,
1121                              CMD,
1122                              ChrPtr(Recp),
1123                              is_anonymous,
1124                              ChrPtr(encoded_subject),
1125                              ChrPtr(display_name),
1126                              ChrPtr(Cc),
1127                              ChrPtr(Bcc),
1128                              ChrPtr(Wikipage),
1129                              ChrPtr(my_email_addr),
1130                              ChrPtr(references));
1131                 FreeStrBuf(&references);
1132
1133                 lprintf(9, "%s\n", ChrPtr(CmdBuf));
1134                 serv_puts(ChrPtr(CmdBuf));
1135                 serv_getln(buf, sizeof buf);
1136                 FreeStrBuf(&CmdBuf);
1137                 FreeStrBuf(&encoded_subject);
1138                 if (buf[0] == '4') {
1139                         post_mime_to_server();
1140                         if (  (havebstr("recp"))
1141                            || (havebstr("cc"  ))
1142                            || (havebstr("bcc" ))
1143                         ) {
1144                                 sprintf(WCC->ImportantMessage, _("Message has been sent.\n"));
1145                         }
1146                         else {
1147                                 sprintf(WC->ImportantMessage, _("Message has been posted.\n"));
1148                         }
1149                         dont_post = lbstr("postseq");
1150                 } else {
1151                         lprintf(9, "%s:%d: server post error: %s\n", __FILE__, __LINE__, buf);
1152                         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1153                         display_enter();
1154                         return;
1155                 }
1156         }
1157
1158         DeleteHash(&WCC->attachments);
1159
1160         /**
1161          *  We may have been supplied with instructions regarding the location
1162          *  to which we must return after posting.  If found, go there.
1163          */
1164         if (havebstr("return_to")) {
1165                 http_redirect(bstr("return_to"));
1166         }
1167         /**
1168          *  If we were editing a page in a wiki room, go to that page now.
1169          */
1170         else if (havebstr("wikipage")) {
1171                 snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
1172                 http_redirect(buf);
1173         }
1174         /**
1175          *  Otherwise, just go to the "read messages" loop.
1176          */
1177         else {
1178                 readloop(readnew);
1179         }
1180 }
1181
1182
1183
1184
1185 /**
1186  * \brief display the message entry screen
1187  */
1188 void display_enter(void)
1189 {
1190         char buf[SIZ];
1191         long now;
1192         const StrBuf *display_name = NULL;
1193         int recipient_required = 0;
1194         int subject_required = 0;
1195         int recipient_bad = 0;
1196         int is_anonymous = 0;
1197         wcsession *WCC = WC;
1198
1199         now = time(NULL);
1200
1201         if (havebstr("force_room")) {
1202                 gotoroom(bstr("force_room"));
1203         }
1204
1205         display_name = sbstr("display_name");
1206         if (!strcmp(ChrPtr(display_name), "__ANONYMOUS__")) {
1207                 display_name = NULL;
1208                 is_anonymous = 1;
1209         }
1210
1211         /** First test to see whether this is a room that requires recipients to be entered */
1212         serv_puts("ENT0 0");
1213         serv_getln(buf, sizeof buf);
1214
1215         if (!strncmp(buf, "570", 3)) {          /** 570 means that we need a recipient here */
1216                 recipient_required = 1;
1217         }
1218         else if (buf[0] != '2') {               /** Any other error means that we cannot continue */
1219                 sprintf(WCC->ImportantMessage, "%s", &buf[4]);
1220                 readloop(readnew);
1221                 return;
1222         }
1223
1224         /* Is the server strongly recommending that the user enter a message subject? */
1225         if ((buf[3] != '\0') && (buf[4] != '\0')) {
1226                 subject_required = extract_int(&buf[4], 1);
1227         }
1228
1229         /**
1230          * Are we perhaps in an address book view?  If so, then an "enter
1231          * message" command really means "add new entry."
1232          */
1233         if (WCC->wc_default_view == VIEW_ADDRESSBOOK) {
1234                 do_edit_vcard(-1, "", "", WCC->wc_roomname);
1235                 return;
1236         }
1237
1238         /*
1239          * Are we perhaps in a calendar room?  If so, then an "enter
1240          * message" command really means "add new calendar item."
1241          */
1242         if (WCC->wc_default_view == VIEW_CALENDAR) {
1243                 display_edit_event();
1244                 return;
1245         }
1246
1247         /*
1248          * Are we perhaps in a tasks view?  If so, then an "enter
1249          * message" command really means "add new task."
1250          */
1251         if (WCC->wc_default_view == VIEW_TASKS) {
1252                 display_edit_task();
1253                 return;
1254         }
1255
1256         /*
1257          * Otherwise proceed normally.
1258          * Do a custom room banner with no navbar...
1259          */
1260
1261         if (recipient_required) {
1262                 const StrBuf *Recp = NULL;
1263                 const StrBuf *Cc = NULL;
1264                 const StrBuf *Bcc = NULL;
1265                 const StrBuf *Wikipage = NULL;
1266                 StrBuf *CmdBuf = NULL;;
1267                 const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
1268
1269                 Recp = sbstr("recp");
1270                 Cc = sbstr("cc");
1271                 Bcc = sbstr("bcc");
1272                 Wikipage = sbstr("wikipage");
1273
1274                 CmdBuf = NewStrBufPlain(NULL,
1275                                         sizeof (CMD) +
1276                                         StrLength(Recp) +
1277                                         StrLength(display_name) +
1278                                         StrLength(Cc) +
1279                                         StrLength(Bcc) +
1280                                         StrLength(Wikipage));
1281
1282                 StrBufPrintf(CmdBuf,
1283                              CMD,
1284                              ChrPtr(Recp),
1285                              is_anonymous,
1286                              ChrPtr(display_name),
1287                              ChrPtr(Cc),
1288                              ChrPtr(Bcc),
1289                              ChrPtr(Wikipage));
1290                 serv_puts(ChrPtr(CmdBuf));
1291                 serv_getln(buf, sizeof buf);
1292                 FreeStrBuf(&CmdBuf);
1293
1294                 if (!strncmp(buf, "570", 3)) {  /** 570 means we have an invalid recipient listed */
1295                         if (havebstr("recp") &&
1296                             havebstr("cc"  ) &&
1297                             havebstr("bcc" )) {
1298                                 recipient_bad = 1;
1299                         }
1300                 }
1301                 else if (buf[0] != '2') {       /** Any other error means that we cannot continue */
1302                         wprintf("<em>%s</em><br />\n", &buf[4]);/// -> important message
1303                         return;
1304                 }
1305         }
1306         svputlong("RCPTREQUIRED", recipient_required);
1307         svputlong("SUBJREQUIRED", recipient_required || subject_required);
1308
1309         begin_burst();
1310         output_headers(1, 0, 0, 0, 1, 0);
1311         DoTemplate(HKEY("edit_message"), NULL, NULL, CTX_NONE);
1312         end_burst();
1313
1314         return;
1315 }
1316
1317 /**
1318  * \brief delete a message
1319  */
1320 void delete_msg(void)
1321 {
1322         long msgid;
1323         char buf[SIZ];
1324
1325         msgid = lbstr("msgid");
1326
1327         if (WC->wc_is_trash) {  /** Delete from Trash is a real delete */
1328                 serv_printf("DELE %ld", msgid);
1329         }
1330         else {                  /** Otherwise move it to Trash */
1331                 serv_printf("MOVE %ld|_TRASH_|0", msgid);
1332         }
1333
1334         serv_getln(buf, sizeof buf);
1335         sprintf(WC->ImportantMessage, "%s", &buf[4]);
1336
1337         readloop(readnew);
1338 }
1339
1340
1341 /**
1342  * \brief move a message to another folder
1343  */
1344 void move_msg(void)
1345 {
1346         long msgid;
1347         char buf[SIZ];
1348
1349         msgid = lbstr("msgid");
1350
1351         if (havebstr("move_button")) {
1352                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1353                 serv_puts(buf);
1354                 serv_getln(buf, sizeof buf);
1355                 sprintf(WC->ImportantMessage, "%s", &buf[4]);
1356         } else {
1357                 sprintf(WC->ImportantMessage, (_("The message was not moved.")));
1358         }
1359
1360         readloop(readnew);
1361 }
1362
1363
1364
1365
1366
1367 /*
1368  * Confirm move of a message
1369  */
1370 void confirm_move_msg(void)
1371 {
1372         long msgid;
1373         char buf[SIZ];
1374         char targ[SIZ];
1375
1376         msgid = lbstr("msgid");
1377
1378
1379         output_headers(1, 1, 2, 0, 0, 0);
1380         wprintf("<div id=\"banner\">\n");
1381         wprintf("<h1>");
1382         wprintf(_("Confirm move of message"));
1383         wprintf("</h1>");
1384         wprintf("</div>\n");
1385
1386         wprintf("<div id=\"content\" class=\"service\">\n");
1387
1388         wprintf("<CENTER>");
1389
1390         wprintf(_("Move this message to:"));
1391         wprintf("<br />\n");
1392
1393         wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
1394         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
1395         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
1396
1397         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1398         serv_puts("LKRA");
1399         serv_getln(buf, sizeof buf);
1400         if (buf[0] == '1') {
1401                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1402                         extract_token(targ, buf, 0, '|', sizeof targ);
1403                         wprintf("<OPTION>");
1404                         escputs(targ);
1405                         wprintf("\n");
1406                 }
1407         }
1408         wprintf("</SELECT>\n");
1409         wprintf("<br />\n");
1410
1411         wprintf("<INPUT TYPE=\"submit\" NAME=\"move_button\" VALUE=\"%s\">", _("Move"));
1412         wprintf("&nbsp;");
1413         wprintf("<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">", _("Cancel"));
1414         wprintf("</form></CENTER>\n");
1415
1416         wprintf("</CENTER>\n");
1417         wDumpContent(1);
1418 }
1419
1420
1421 /*
1422  * Generic function to output an arbitrary MIME attachment from
1423  * message being composed
1424  *
1425  * partnum              The MIME part to be output
1426  * filename             Fake filename to give
1427  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1428  */
1429 void postpart(StrBuf *partnum, StrBuf *filename, int force_download)
1430 {
1431         void *vPart;
1432         StrBuf *content_type;
1433         wc_mime_attachment *part;
1434
1435         if (GetHash(WC->attachments, SKEY(partnum), &vPart) &&
1436             (vPart != NULL)) {
1437                 part = (wc_mime_attachment*) vPart;
1438                 if (force_download) {
1439                         content_type = NewStrBufPlain(HKEY("application/octet-stream"));
1440                 }
1441                 else {
1442                         content_type = NewStrBufDup(part->ContentType);
1443                 }
1444                 output_headers(0, 0, 0, 0, 0, 0);
1445                 StrBufAppendBuf(WC->WBuf, part->Data, 0);
1446                 http_transmit_thing(ChrPtr(content_type), 0);
1447         } else {
1448                 hprintf("HTTP/1.1 404 %s\n", ChrPtr(partnum));
1449                 output_headers(0, 0, 0, 0, 0, 0);
1450                 hprintf("Content-Type: text/plain\r\n");
1451                 wprintf(_("An error occurred while retrieving this part: %s/%s\n"),
1452                         ChrPtr(partnum), ChrPtr(filename));
1453                 end_burst();
1454         }
1455         FreeStrBuf(&content_type);
1456 }
1457
1458
1459 /*
1460  * Generic function to output an arbitrary MIME part from an arbitrary
1461  * message number on the server.
1462  *
1463  * msgnum               Number of the item on the citadel server
1464  * partnum              The MIME part to be output
1465  * force_download       Nonzero to force set the Content-Type: header to "application/octet-stream"
1466  */
1467 void mimepart(const char *msgnum, const char *partnum, int force_download)
1468 {
1469         char buf[256];
1470         off_t bytes;
1471         char content_type[256];
1472
1473         serv_printf("OPNA %s|%s", msgnum, partnum);
1474         serv_getln(buf, sizeof buf);
1475         if (buf[0] == '2') {
1476                 bytes = extract_long(&buf[4], 0);
1477                 if (force_download) {
1478                         strcpy(content_type, "application/octet-stream");
1479                 }
1480                 else {
1481                         extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1482                 }
1483                 output_headers(0, 0, 0, 0, 0, 0);
1484
1485                 read_server_binary(WC->WBuf, bytes);
1486                 serv_puts("CLOS");
1487                 serv_getln(buf, sizeof buf);
1488                 http_transmit_thing(content_type, 0);
1489         } else {
1490                 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1491                 output_headers(0, 0, 0, 0, 0, 0);
1492                 hprintf("Content-Type: text/plain\r\n");
1493                 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
1494                 end_burst();
1495         }
1496 }
1497
1498
1499 /*
1500  * Read any MIME part of a message, from the server, into memory.
1501  */
1502 char *load_mimepart(long msgnum, char *partnum)
1503 {
1504         char buf[SIZ];
1505         off_t bytes;
1506         char content_type[SIZ];
1507         char *content;
1508
1509         serv_printf("DLAT %ld|%s", msgnum, partnum);
1510         serv_getln(buf, sizeof buf);
1511         if (buf[0] == '6') {
1512                 bytes = extract_long(&buf[4], 0);
1513                 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1514
1515                 content = malloc(bytes + 2);
1516                 serv_read(content, bytes);
1517
1518                 content[bytes] = 0;     /* null terminate for good measure */
1519                 return(content);
1520         }
1521         else {
1522                 return(NULL);
1523         }
1524 }
1525
1526 /*
1527  * Read any MIME part of a message, from the server, into memory.
1528  */
1529 void MimeLoadData(wc_mime_attachment *Mime)
1530 {
1531         char buf[SIZ];
1532         off_t bytes;
1533 //// TODO: is there a chance the contenttype is different  to the one we know?
1534         serv_printf("DLAT %ld|%s", Mime->msgnum, ChrPtr(Mime->PartNum));
1535         serv_getln(buf, sizeof buf);
1536         if (buf[0] == '6') {
1537                 bytes = extract_long(&buf[4], 0);
1538
1539                 if (Mime->Data == NULL)
1540                         Mime->Data = NewStrBufPlain(NULL, bytes);
1541                 StrBuf_ServGetBLOB(Mime->Data, bytes);
1542
1543         }
1544         else {
1545                 FlushStrBuf(Mime->Data);
1546                 /// TODO XImportant message
1547         }
1548 }
1549
1550
1551
1552
1553 void view_mimepart(void) {
1554         mimepart(ChrPtr(WC->UrlFragment2),
1555                  ChrPtr(WC->UrlFragment3),
1556                  0);
1557 }
1558
1559 void download_mimepart(void) {
1560         mimepart(ChrPtr(WC->UrlFragment2),
1561                  ChrPtr(WC->UrlFragment3),
1562                  1);
1563 }
1564
1565 void view_postpart(void) {
1566         postpart(WC->UrlFragment2,
1567                  WC->UrlFragment3,
1568                  0);
1569 }
1570
1571 void download_postpart(void) {
1572         postpart(WC->UrlFragment2,
1573                  WC->UrlFragment3,
1574                  1);
1575 }
1576
1577
1578
1579 void h_readnew(void) { readloop(readnew);}
1580 void h_readold(void) { readloop(readold);}
1581 void h_readfwd(void) { readloop(readfwd);}
1582 void h_headers(void) { readloop(headers);}
1583 void h_do_search(void) { readloop(do_search);}
1584
1585
1586
1587
1588
1589
1590 void
1591 InitModule_MSG
1592 (void)
1593 {
1594         WebcitAddUrlHandler(HKEY("readnew"), h_readnew, NEED_URL);
1595         WebcitAddUrlHandler(HKEY("readold"), h_readold, NEED_URL);
1596         WebcitAddUrlHandler(HKEY("readfwd"), h_readfwd, NEED_URL);
1597         WebcitAddUrlHandler(HKEY("headers"), h_headers, NEED_URL);
1598         WebcitAddUrlHandler(HKEY("do_search"), h_do_search, 0);
1599         WebcitAddUrlHandler(HKEY("display_enter"), display_enter, 0);
1600         WebcitAddUrlHandler(HKEY("post"), post_message, 0);
1601         WebcitAddUrlHandler(HKEY("move_msg"), move_msg, 0);
1602         WebcitAddUrlHandler(HKEY("delete_msg"), delete_msg, 0);
1603         WebcitAddUrlHandler(HKEY("confirm_move_msg"), confirm_move_msg, 0);
1604         WebcitAddUrlHandler(HKEY("msg"), embed_message, NEED_URL|AJAX);
1605         WebcitAddUrlHandler(HKEY("printmsg"), print_message, NEED_URL);
1606         WebcitAddUrlHandler(HKEY("mobilemsg"), mobile_message_view, NEED_URL);
1607         WebcitAddUrlHandler(HKEY("msgheaders"), display_headers, NEED_URL);
1608
1609         WebcitAddUrlHandler(HKEY("mimepart"), view_mimepart, NEED_URL);
1610         WebcitAddUrlHandler(HKEY("mimepart_download"), download_mimepart, NEED_URL);
1611         WebcitAddUrlHandler(HKEY("postpart"), view_postpart, NEED_URL);
1612         WebcitAddUrlHandler(HKEY("postpart_download"), download_postpart, NEED_URL);
1613
1614         return ;
1615 }