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