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