webcit/messages.c

   1 /*
   2  * $Id$
   3  *
   4  * Functions which deal with the fetching and displaying of messages.
   5  *
   6  */
   7
   8 #include <ctype.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #include <signal.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <sys/socket.h>
  17 #include <limits.h>
  18 #include <netinet/in.h>
  19 #include <netdb.h>
  20 #include <string.h>
  21 #include <pwd.h>
  22 #include <errno.h>
  23 #include <stdarg.h>
  24 #include <pthread.h>
  25 #include <signal.h>
  26 #include "webcit.h"
  27 #include "vcard.h"
  28
  29
  30 /*
  31  * Look for URL's embedded in a buffer and make them linkable.  We use a
  32  * target window in order to keep the BBS session in its own window.
  33  */
  34 void url(buf)
  35 char buf[];
  36 {
  37
  38         int pos;
  39         int start, end;
  40         char ench;
  41         char urlbuf[SIZ];
  42         char outbuf[1024];
  43
  44         start = (-1);
  45         end = strlen(buf);
  46         ench = 0;
  47
  48         for (pos = 0; pos < strlen(buf); ++pos) {
  49                 if (!strncasecmp(&buf[pos], "http://", 7))
  50                         start = pos;
  51                 if (!strncasecmp(&buf[pos], "ftp://", 6))
  52                         start = pos;
  53         }
  54
  55         if (start < 0)
  56                 return;
  57
  58         if ((start > 0) && (buf[start - 1] == '<'))
  59                 ench = '>';
  60         if ((start > 0) && (buf[start - 1] == '['))
  61                 ench = ']';
  62         if ((start > 0) && (buf[start - 1] == '('))
  63                 ench = ')';
  64         if ((start > 0) && (buf[start - 1] == '{'))
  65                 ench = '}';
  66
  67         for (pos = strlen(buf); pos > start; --pos) {
  68                 if ((buf[pos] == ' ') || (buf[pos] == ench))
  69                         end = pos;
  70         }
  71
  72         strncpy(urlbuf, &buf[start], end - start);
  73         urlbuf[end - start] = 0;
  74
  75         strncpy(outbuf, buf, start);
  76         sprintf(&outbuf[start], "%cA HREF=%c%s%c TARGET=%c%s%c%c%s%c/A%c",
  77                 LB, QU, urlbuf, QU, QU, TARGET, QU, RB, urlbuf, LB, RB);
  78         strcat(outbuf, &buf[end]);
  79         if ( strlen(outbuf) < 250 )
  80                 strcpy(buf, outbuf);
  81 }
  82
  83
  84 /* display_vcard() calls this after parsing the textual vCard into
  85  * our 'struct vCard' data object.
  86  *
  87  * Set 'full' to nonzero to display the full card, otherwise it will only
  88  * show a summary line.
  89  */
  90 void display_parsed_vcard(struct vCard *v, int full) {
  91         int i, j;
  92         char buf[SIZ];
  93         char *name;
  94
  95         if (!full) {
  96                 wprintf("<TD>");
  97                 name = vcard_get_prop(v, "n", 1, 0, 0);
  98                 if (name != NULL) {
  99                         strcpy(buf, name);
 100                         escputs(buf);
 101                 }
 102                 else {
 103                         wprintf("&nbsp;");
 104                 }
 105                 wprintf("</TD>");
 106                 return;
 107         }
 108
 109         wprintf("<TABLE bgcolor=#888888>");
 110         if (v->numprops) for (i=0; i<(v->numprops); ++i) {
 111                 if (!strcasecmp(v->prop[i].name, "n")) {
 112                         wprintf("<TR BGCOLOR=#AAAAAA>"
 113                         "<TD BGCOLOR=#FFFFFF>"
 114                         "<IMG VALIGN=CENTER SRC=\"/static/vcard.gif\"></TD>"
 115                         "<TD><FONT SIZE=+1><B>");
 116                         escputs(v->prop[i].value);
 117                         wprintf("</B></FONT></TD></TR>\n");
 118                 }
 119                 else if (!strcasecmp(v->prop[i].name, "email;internet")) {
 120                         wprintf("<TR><TD>Internet e-mail:</TD>"
 121                                 "<TD><A HREF=\"mailto:");
 122                         urlescputs(v->prop[i].value);
 123                         wprintf("\">");
 124                         escputs(v->prop[i].value);
 125                         wprintf("</A></TD></TR>\n");
 126                 }
 127                 else if (!strcasecmp(v->prop[i].name, "adr")) {
 128                         wprintf("<TR><TD>Address:</TD><TD>");
 129                         for (j=0; j<num_tokens(v->prop[i].value, ';'); ++j) {
 130                                 extract_token(buf, v->prop[i].value, j, ';');
 131                                 if (strlen(buf) > 0) {
 132                                         escputs(buf);
 133                                         wprintf("<BR>");
 134                                 }
 135                         }
 136                         wprintf("</TD></TR>\n");
 137                 }
 138                 else if (!strncasecmp(v->prop[i].name, "tel;", 4)) {
 139                         wprintf("<TR><TD>%s telephone:</TD><TD>",
 140                                 &v->prop[i].name[4]);
 141                         for (j=0; j<num_tokens(v->prop[i].value, ';'); ++j) {
 142                                 extract_token(buf, v->prop[i].value, j, ';');
 143                                 if (strlen(buf) > 0) {
 144                                         escputs(buf);
 145                                         wprintf("<BR>");
 146                                 }
 147                         }
 148                         wprintf("</TD></TR>\n");
 149                 }
 150                 else {
 151                         wprintf("<TR><TD>");
 152                         escputs(v->prop[i].name);
 153                         wprintf("</TD><TD>");
 154                         escputs(v->prop[i].value);
 155                         wprintf("</TD></TR>\n");
 156                 }
 157         }
 158         wprintf("</TABLE>\n");
 159 }
 160
 161
 162
 163 /*
 164  * Display a textual vCard
 165  * (Converts to a vCard object and then calls the actual display function)
 166  * Set 'full' to nonzero to display the whole card instead of a one-liner
 167  */
 168 void display_vcard(char *vcard_source, char alpha, int full) {
 169         struct vCard *v;
 170         char *name;
 171         char buf[SIZ];
 172         char this_alpha = 0;
 173
 174         v = vcard_load(vcard_source);
 175         if (v == NULL) return;
 176
 177         name = vcard_get_prop(v, "n", 1, 0, 0);
 178         if (name != NULL) {
 179                 strcpy(buf, name);
 180                 this_alpha = buf[0];
 181         }
 182
 183         if ( (alpha == 0)
 184            || ((isalpha(alpha)) && (tolower(alpha) == tolower(this_alpha)) )
 185            || ((!isalpha(alpha)) && (!isalpha(this_alpha))) ) {
 186
 187                 display_parsed_vcard(v, full);
 188
 189         }
 190
 191         vcard_free(v);
 192 }
 193
 194
 195
 196
 197 void output_text_plain(char *partbuf, int total_length) {
 198         wprintf("<PRE>\n");
 199         write(WC->http_sock, partbuf, total_length);
 200         wprintf("</PRE><BR>\n");
 201 }
 202
 203
 204
 205
 206 /*
 207  * Output the chosen part of a MIME message.  This might be chosen from
 208  * a multipart/alternative or it might be chosen because it's the only one
 209  * present.  We care not why it was chosen; it is our job to be a servile
 210  * little function and do what we are told.
 211  */
 212 void output_chosen_part(long msgnum, char *multipart_chosen) {
 213         char buf[SIZ];
 214         char *partbuf;
 215         int total_length = 0;
 216         int downloaded_length = 0;
 217         int block_length = 0;
 218         char content_type[SIZ];
 219
 220         serv_printf("OPNA %ld|%s", msgnum, multipart_chosen);
 221         serv_gets(buf);
 222         if (buf[0] != '2') {
 223                 wprintf("<I>Error reading msg %ld part %s</I><BR><BR>",
 224                         msgnum, multipart_chosen);
 225                 return;
 226         }
 227
 228         total_length = extract_int(&buf[4], 0);
 229         extract(content_type, &buf[4], 3);
 230
 231         if ( (strlen(content_type) ==0)
 232            ||(!strcasecmp(content_type, "text"))
 233            ||(!strcasecmp(content_type, "text/english"))
 234            ) {
 235                 strcpy(content_type, "text/plain");
 236         }
 237
 238         partbuf = malloc(total_length + 1);
 239         if (partbuf == NULL) {
 240                 wprintf("<I>Memory allocation error</I><BR><BR>");
 241                 return;
 242         }
 243
 244         partbuf[total_length] = 0;      /* Give it a nice null terminator */
 245
 246         /* FIXME ... add something to make this die if we
 247          *           lose the server connection.
 248          */
 249         while (downloaded_length < total_length) {
 250                 if ((total_length - downloaded_length) < 4096) {
 251                         block_length = total_length - downloaded_length;
 252                 }
 253                 else {
 254                         block_length = 4096;
 255                 }
 256                 serv_printf("READ %d|%d", downloaded_length, block_length);
 257                 serv_gets(buf);
 258                 if (buf[0] == '6') {
 259                         block_length = extract_int(&buf[4], 0);
 260                         serv_read(partbuf, block_length);
 261                         downloaded_length += block_length;
 262                 }
 263         }
 264
 265         serv_puts("CLOS");
 266         serv_gets(buf);
 267
 268         if (!strcasecmp(content_type, "text/plain")) {
 269                 output_text_plain(partbuf, total_length);
 270         }
 271         else if (!strcasecmp(content_type, "text/html")) {
 272                 output_text_html(partbuf, total_length);
 273         }
 274         else {
 275                 wprintf("<I>Unknown content type %s</I><BR><BR>\n",
 276                         content_type);
 277         }
 278
 279         free(partbuf);
 280 }
 281
 282
 283
 284
 285
 286 /*
 287  * I wanna SEE that message!
 288  */
 289 void read_message(long msgnum) {
 290         char buf[SIZ];
 291         char mime_partnum[SIZ];
 292         char mime_filename[SIZ];
 293         char mime_content_type[SIZ];
 294         char mime_disposition[SIZ];
 295         int mime_length;
 296         char *mime_http = NULL;
 297         char m_subject[SIZ];
 298         char from[SIZ];
 299         char node[SIZ];
 300         char rfca[SIZ];
 301         char reply_to[512];
 302         char now[SIZ];
 303         int format_type = 0;
 304         int nhdr = 0;
 305         int bq = 0;
 306         char vcard_partnum[SIZ];
 307         char *vcard_source = NULL;
 308         int multipart_hunting = 0;
 309         char multipart_chosen[SIZ];
 310         char multipart_prefix[SIZ];
 311
 312         strcpy(from, "");
 313         strcpy(node, "");
 314         strcpy(rfca, "");
 315         strcpy(reply_to, "");
 316         strcpy(vcard_partnum, "");
 317         strcpy(multipart_chosen, "1");
 318
 319         serv_printf("MSG0 %ld|1", msgnum);      /* ask for headers only */
 320         serv_gets(buf);
 321         if (buf[0] != '1') {
 322                 wprintf("<STRONG>ERROR:</STRONG> %s<BR>\n", &buf[4]);
 323                 return;
 324         }
 325
 326         wprintf("<TABLE WIDTH=100%% BORDER=0 CELLSPACING=0 "
 327                 "CELLPADDING=1 BGCOLOR=CCCCCC><TR><TD>\n");
 328
 329         wprintf("<FONT ");
 330         wprintf("SIZE=+1 ");
 331         wprintf("COLOR=\"000000\"> ");
 332         strcpy(m_subject, "");
 333
 334         while (serv_gets(buf), strcasecmp(buf, "000")) {
 335                 if (!strncasecmp(buf, "nhdr=yes", 8))
 336                         nhdr = 1;
 337                 if (nhdr == 1)
 338                         buf[0] = '_';
 339                 if (!strncasecmp(buf, "type=", 5))
 340                         format_type = atoi(&buf[5]);
 341                 if (!strncasecmp(buf, "from=", 5)) {
 342                         strcpy(from, &buf[5]);
 343                         wprintf("from <A HREF=\"/showuser&who=");
 344                         urlescputs(from);
 345                         wprintf("\">");
 346                         escputs(from);
 347                         wprintf("</A> ");
 348                 }
 349                 if (!strncasecmp(buf, "subj=", 5))
 350                         strcpy(m_subject, &buf[5]);
 351                 if ((!strncasecmp(buf, "hnod=", 5))
 352                     && (strcasecmp(&buf[5], serv_info.serv_humannode)))
 353                         wprintf("(%s) ", &buf[5]);
 354                 if ((!strncasecmp(buf, "room=", 5))
 355                     && (strcasecmp(&buf[5], WC->wc_roomname)))
 356                         wprintf("in %s> ", &buf[5]);
 357                 if (!strncasecmp(buf, "rfca=", 5)) {
 358                         strcpy(rfca, &buf[5]);
 359                         wprintf("&lt;");
 360                         escputs(rfca);
 361                         wprintf("&gt; ");
 362                 }
 363
 364                 if (!strncasecmp(buf, "node=", 5)) {
 365                         if ( ((WC->room_flags & QR_NETWORK)
 366                         || ((strcasecmp(&buf[5], serv_info.serv_nodename)
 367                         && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
 368                         && (strlen(rfca)==0)
 369                         ) {
 370                                 wprintf("@%s ", &buf[5]);
 371                         }
 372                 }
 373                 if (!strncasecmp(buf, "rcpt=", 5))
 374                         wprintf("to %s ", &buf[5]);
 375                 if (!strncasecmp(buf, "time=", 5)) {
 376                         fmt_date(now, atol(&buf[5]));
 377                         wprintf("%s ", now);
 378                 }
 379
 380                 if (format_type == 4) {
 381                         if (!strncasecmp(buf, "pref=", 5)) {
 382                                 extract(multipart_prefix, &buf[5], 1);
 383                                 if (!strcasecmp(multipart_prefix,
 384                                    "multipart/alternative")) {
 385                                         ++multipart_hunting;
 386                                 }
 387                         }
 388                         if (!strncasecmp(buf, "suff=", 5)) {
 389                                 extract(multipart_prefix, &buf[5], 1);
 390                                 if (!strcasecmp(multipart_prefix,
 391                                    "multipart/alternative")) {
 392                                         --multipart_hunting;
 393                                 }
 394                         }
 395                         if (!strncasecmp(buf, "part=", 5)) {
 396                                 if (multipart_hunting > 0) {
 397                                         extract(mime_partnum, &buf[5], 2);
 398                                         extract(mime_content_type, &buf[5], 4);
 399                                         if ( (!strcasecmp(mime_content_type,
 400                                                 "text/plain"))
 401                                           || (!strcasecmp(mime_content_type,
 402                                                 "text/html")) ) {
 403                                                 strcpy(multipart_chosen,
 404                                                         mime_partnum);
 405                                         }
 406                                 }
 407                         }
 408                 }
 409
 410                 if (!strncasecmp(buf, "part=", 5)) {
 411                         extract(mime_filename, &buf[5], 1);
 412                         extract(mime_partnum, &buf[5], 2);
 413                         extract(mime_disposition, &buf[5], 3);
 414                         extract(mime_content_type, &buf[5], 4);
 415                         mime_length = extract_int(&buf[5], 5);
 416
 417                         if (!strcasecmp(mime_disposition, "attachment")) {
 418                                 if (mime_http == NULL) {
 419                                         mime_http = malloc(512);
 420                                         strcpy(mime_http, "");
 421                                 }
 422                                 else {
 423                                         mime_http = realloc(mime_http,
 424                                                 strlen(mime_http) + 512);
 425                                 }
 426                                 sprintf(&mime_http[strlen(mime_http)],
 427                                         "<A HREF=\"/output_mimepart?"
 428                                         "msgnum=%ld&partnum=%s\" "
 429                                         "TARGET=\"wc.%ld.%s\">"
 430                                         "<IMG SRC=\"/static/attachment.gif\" "
 431                                         "BORDER=0 ALIGN=MIDDLE>\n"
 432                                         "Part %s: %s (%s, %d bytes)</A><BR>\n",
 433                                         msgnum, mime_partnum,
 434                                         msgnum, mime_partnum,
 435                                         mime_partnum, mime_filename,
 436                                         mime_content_type, mime_length);
 437                         }
 438
 439                         if ((!strcasecmp(mime_disposition, "inline"))
 440                            && (!strncasecmp(mime_content_type, "image/", 6)) ){
 441                                 if (mime_http == NULL) {
 442                                         mime_http = malloc(512);
 443                                         strcpy(mime_http, "");
 444                                 }
 445                                 else {
 446                                         mime_http = realloc(mime_http,
 447                                                 strlen(mime_http) + 512);
 448                                 }
 449                                 sprintf(&mime_http[strlen(mime_http)],
 450                                         "<IMG SRC=\"/output_mimepart?"
 451                                         "msgnum=%ld&partnum=%s\">",
 452                                         msgnum, mime_partnum);
 453                         }
 454
 455                         if (!strcasecmp(mime_content_type, "text/x-vcard")) {
 456                                 strcpy(vcard_partnum, mime_partnum);
 457                         }
 458
 459                 }
 460
 461         }
 462
 463
 464         /* Generate a reply-to address */
 465         if (strlen(rfca) > 0) {
 466                 strcpy(reply_to, rfca);
 467         }
 468         else {
 469                 if (strlen(node) > 0) {
 470                         snprintf(reply_to, sizeof(reply_to), "%s @ %s",
 471                                 from, node);
 472                 }
 473                 else {
 474                         snprintf(reply_to, sizeof(reply_to), "%s", from);
 475                 }
 476         }
 477
 478         if (nhdr == 1) {
 479                 wprintf("****");
 480         }
 481
 482         wprintf("</FONT></TD>");
 483
 484         wprintf("<TD ALIGN=RIGHT>\n"
 485                 "<TABLE BORDER=0><TR>\n");
 486
 487         wprintf("<TD BGCOLOR=\"AAAADD\">"
 488                 "<A HREF=\"/readfwd?startmsg=%ld", msgnum);
 489         wprintf("&maxmsgs=1&summary=0\">Read</A>"
 490                 "</TD>\n", msgnum);
 491
 492         wprintf("<TD BGCOLOR=\"AAAADD\">"
 493                 "<A HREF=\"/display_enter?recp=");
 494         urlescputs(reply_to);
 495         wprintf("\"><FONT SIZE=-1>Reply</FONT></A>"
 496                 "</TD>\n", msgnum);
 497
 498         if (WC->is_room_aide) {
 499                 wprintf("<TD BGCOLOR=\"AAAADD\">"
 500                         "<A HREF=\"/confirm_move_msg"
 501                         "&msgid=%ld"
 502                         "\"><FONT SIZE=-1>Move</FONT></A>"
 503                         "</TD>\n", msgnum);
 504
 505                 wprintf("<TD BGCOLOR=\"AAAADD\">"
 506                         "<A HREF=\"/delete_msg"
 507                         "&msgid=%ld\""
 508                         "onClick=\"return confirm('Delete this message?');\""
 509                         "><FONT SIZE=-1>Del</FONT></A>"
 510                         "</TD>\n", msgnum);
 511         }
 512
 513         wprintf("</TR></TABLE>\n"
 514                 "</TD>\n");
 515
 516         if (strlen(m_subject) > 0) {
 517                 wprintf("<TR><TD><FONT COLOR=\"0000FF\">"
 518                         "Subject: %s</FONT>"
 519                         "</TD><TD>&nbsp;</TD></TR>\n", m_subject);
 520         }
 521
 522         wprintf("</TR></TABLE>\n");
 523
 524
 525         /* Messages in legacy Citadel variformat get handled thusly... */
 526         if (format_type == 0) {
 527                 serv_printf("MSG0 %ld", msgnum);
 528                 serv_gets(buf);
 529                 if (buf[0] == '1') {
 530                         while (serv_gets(buf), strncasecmp(buf, "text", 4)) { }
 531                         fmout(NULL);
 532                 }
 533         }
 534
 535         /* Boring old 80-column fixed format text gets handled this way... */
 536         if (format_type == 1)  {
 537                 serv_printf("MSG0 %ld", msgnum);
 538                 serv_gets(buf);
 539                 if (buf[0] == '1') {
 540                         while (serv_gets(buf), strncasecmp(buf, "text", 4)) { }
 541                         while (serv_gets(buf), strcmp(buf, "000")) {
 542                                 while ((strlen(buf) > 0) && (isspace(buf[strlen(buf) - 1])))
 543                                         buf[strlen(buf) - 1] = 0;
 544                                 if ((bq == 0) &&
 545                                 ((!strncmp(buf, ">", 1)) || (!strncmp(buf, " >", 2)) || (!strncmp(buf, " :-)", 4)))) {
 546                                         wprintf("<FONT COLOR=\"000044\"><I>");
 547                                         bq = 1;
 548                                 } else if ((bq == 1) &&
 549                                         (strncmp(buf, ">", 1)) && (strncmp(buf, " >", 2)) && (strncmp(buf, " :-)", 4))) {
 550                                         wprintf("</FONT></I>");
 551                                         bq = 0;
 552                                 }
 553                                 wprintf("<TT>");
 554                                 url(buf);
 555                                 escputs(buf);
 556                                 wprintf("</TT><BR>\n");
 557                         }
 558                 }
 559                 wprintf("</I><BR>");
 560         }
 561
 562         /* MIME!  Rock on!! */
 563         if (format_type == 4) {
 564                 output_chosen_part(msgnum, multipart_chosen);
 565         }
 566
 567         /* Afterwards, offer links to download attachments 'n' such */
 568         if (mime_http != NULL) {
 569                 wprintf("%s", mime_http);
 570                 free(mime_http);
 571         }
 572
 573         if (strlen(vcard_partnum) > 0) {
 574                 vcard_source = load_mimepart(msgnum, vcard_partnum);
 575                 if (vcard_source != NULL) {
 576
 577                         /* If it's my vCard I can edit it */
 578                         if ( (!strcasecmp(WC->wc_roomname, USERCONFIGROOM))
 579                            || (!strcasecmp(&WC->wc_roomname[11], USERCONFIGROOM))) {
 580                                 wprintf("<A HREF=\"/edit_vcard?"
 581                                         "msgnum=%ld&partnum=%s\">",
 582                                         msgnum, vcard_partnum);
 583                                 wprintf("(edit)</A>");
 584                         }
 585
 586                         /* In all cases, display the full card */
 587                         display_vcard(vcard_source, 0, 1);
 588                         free(vcard_source);
 589                 }
 590         }
 591
 592 }
 593
 594
 595 void summarize_message(long msgnum) {
 596         char buf[SIZ];
 597
 598         struct {
 599                 char date[SIZ];
 600                 char from[SIZ];
 601                 char to[SIZ];
 602                 char subj[SIZ];
 603                 int hasattachments;
 604         } summ;
 605
 606         memset(&summ, 0, sizeof(summ));
 607         strcpy(summ.subj, "(no subject)");
 608
 609         sprintf(buf, "MSG0 %ld|1", msgnum);     /* ask for headers only */
 610         serv_puts(buf);
 611         serv_gets(buf);
 612         if (buf[0] != '1') return;
 613
 614         while (serv_gets(buf), strcmp(buf, "000")) {
 615                 if (!strncasecmp(buf, "from=", 5)) {
 616                         strcpy(summ.from, &buf[5]);
 617                 }
 618                 if (!strncasecmp(buf, "subj=", 5)) {
 619                         strcpy(summ.subj, &buf[5]);
 620                 }
 621                 if (!strncasecmp(buf, "rfca=", 5)) {
 622                         strcat(summ.from, " <");
 623                         strcat(summ.from, &buf[5]);
 624                         strcat(summ.from, ">");
 625                 }
 626
 627                 if (!strncasecmp(buf, "node=", 5)) {
 628                         if ( ((WC->room_flags & QR_NETWORK)
 629                         || ((strcasecmp(&buf[5], serv_info.serv_nodename)
 630                         && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
 631                         ) {
 632                                 strcat(summ.from, " @ ");
 633                                 strcat(summ.from, &buf[5]);
 634                         }
 635                 }
 636
 637                 if (!strncasecmp(buf, "rcpt=", 5)) {
 638                         strcpy(summ.to, &buf[5]);
 639                 }
 640
 641                 if (!strncasecmp(buf, "time=", 5)) {
 642                         fmt_date(summ.date, atol(&buf[5]));
 643                 }
 644         }
 645
 646         wprintf("<TD><A HREF=\"/readfwd?startmsg=%ld"
 647                 "&maxmsgs=1&summary=0\">",
 648                 msgnum);
 649         escputs(summ.subj);
 650         wprintf("</A></TD><TD>");
 651         escputs(summ.from);
 652         wprintf(" </TD><TD>");
 653         escputs(summ.date);
 654         wprintf(" </TD>");
 655         wprintf("<TD>"
 656                 "<INPUT TYPE=\"checkbox\" NAME=\"msg_%ld\" VALUE=\"yes\">"
 657                 "</TD>\n");
 658
 659         return;
 660 }
 661
 662
 663
 664 void display_addressbook(long msgnum, char alpha) {
 665         char buf[SIZ];
 666         char mime_partnum[SIZ];
 667         char mime_filename[SIZ];
 668         char mime_content_type[SIZ];
 669         char mime_disposition[SIZ];
 670         int mime_length;
 671         char vcard_partnum[SIZ];
 672         char *vcard_source = NULL;
 673
 674         struct {
 675                 char date[SIZ];
 676                 char from[SIZ];
 677                 char to[SIZ];
 678                 char subj[SIZ];
 679                 int hasattachments;
 680         } summ;
 681
 682         memset(&summ, 0, sizeof(summ));
 683         strcpy(summ.subj, "(no subject)");
 684
 685         sprintf(buf, "MSG0 %ld|1", msgnum);     /* ask for headers only */
 686         serv_puts(buf);
 687         serv_gets(buf);
 688         if (buf[0] != '1') return;
 689
 690         while (serv_gets(buf), strcmp(buf, "000")) {
 691                 if (!strncasecmp(buf, "part=", 5)) {
 692                         extract(mime_filename, &buf[5], 1);
 693                         extract(mime_partnum, &buf[5], 2);
 694                         extract(mime_disposition, &buf[5], 3);
 695                         extract(mime_content_type, &buf[5], 4);
 696                         mime_length = extract_int(&buf[5], 5);
 697
 698                         if (!strcasecmp(mime_content_type, "text/x-vcard")) {
 699                                 strcpy(vcard_partnum, mime_partnum);
 700                         }
 701
 702                 }
 703         }
 704
 705         if (strlen(vcard_partnum) > 0) {
 706                 vcard_source = load_mimepart(msgnum, vcard_partnum);
 707                 if (vcard_source != NULL) {
 708
 709                         /* Display the summary line */
 710                         display_vcard(vcard_source, alpha, 0);
 711
 712                         /* If it's my vCard I can edit it */
 713                         if ( (!strcasecmp(WC->wc_roomname, USERCONFIGROOM))
 714                            || (!strcasecmp(&WC->wc_roomname[11], USERCONFIGROOM))) {
 715                                 wprintf("<A HREF=\"/edit_vcard?"
 716                                         "msgnum=%ld&partnum=%s\">",
 717                                         msgnum, vcard_partnum);
 718                                 wprintf("(edit)</A>");
 719                         }
 720
 721                         free(vcard_source);
 722                 }
 723         }
 724
 725 }
 726
 727
 728
 729 /*
 730  * load message pointers from the server
 731  */
 732 int load_msg_ptrs(servcmd)
 733 char *servcmd;
 734 {
 735         char buf[SIZ];
 736         int nummsgs;
 737
 738         nummsgs = 0;
 739         serv_puts(servcmd);
 740         serv_gets(buf);
 741         if (buf[0] != '1') {
 742                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 743                 return (nummsgs);
 744         }
 745         while (serv_gets(buf), strcmp(buf, "000")) {
 746                 WC->msgarr[nummsgs] = atol(buf);
 747                 ++nummsgs;
 748         }
 749         return (nummsgs);
 750 }
 751
 752
 753 /*
 754  * command loop for reading messages
 755  */
 756 void readloop(char *oper)
 757 {
 758         char cmd[SIZ];
 759         char buf[SIZ];
 760         int a, b, i;
 761         int nummsgs;
 762         long startmsg;
 763         int maxmsgs;
 764         int num_displayed = 0;
 765         int is_summary = 0;
 766         int is_addressbook = 0;
 767         int remaining_messages;
 768         int lo, hi;
 769         int lowest_displayed = (-1);
 770         int highest_displayed = 0;
 771         long pn_previous = 0L;
 772         long pn_current = 0L;
 773         long pn_next = 0L;
 774         int bg = 0;
 775         char alpha = 0;
 776
 777         startmsg = atol(bstr("startmsg"));
 778         maxmsgs = atoi(bstr("maxmsgs"));
 779         is_summary = atoi(bstr("summary"));
 780         if (maxmsgs == 0) maxmsgs = 20;
 781
 782         output_headers(1);
 783
 784         if (!strcmp(oper, "readnew")) {
 785                 strcpy(cmd, "MSGS NEW");
 786         } else if (!strcmp(oper, "readold")) {
 787                 strcpy(cmd, "MSGS OLD");
 788         } else {
 789                 strcpy(cmd, "MSGS ALL");
 790         }
 791
 792         /* FIXME put in the correct constant #defs */
 793         if ((WC->wc_view == 1) && (maxmsgs > 1)) {
 794                 is_summary = 1;
 795                 strcpy(cmd, "MSGS ALL");
 796                 maxmsgs = 32767;
 797         }
 798         if ((WC->wc_view == 2) && (maxmsgs > 1)) {
 799                 is_addressbook = 1;
 800                 strcpy(cmd, "MSGS ALL");
 801                 maxmsgs = 32767;
 802                 if (bstr("alpha") == NULL) {
 803                         alpha = 'A';
 804                 }
 805                 else {
 806                         strcpy(buf, bstr("alpha"));
 807                         alpha = buf[0];
 808                 }
 809
 810                 for (i='A'; i<='Z'; ++i) {
 811                         if (i == alpha) wprintf("<FONT SIZE=+2>"
 812                                                 "%c</FONT>\n", i);
 813                         else {
 814                                 wprintf("<A HREF=\"/readfwd?alpha=%c\">"
 815                                         "%c</A>\n", i, i);
 816                         }
 817                         wprintf("&nbsp;");
 818                 }
 819                 if (!isalpha(alpha)) wprintf("<FONT SIZE=+2>(other)</FONT>\n");
 820                 else wprintf("<A HREF=\"/readfwd?alpha=1\">(other)</A>\n");
 821                 wprintf("<HR width=100%%>\n");
 822         }
 823
 824         nummsgs = load_msg_ptrs(cmd);
 825         if (nummsgs == 0) {
 826                 if (!strcmp(oper, "readnew")) {
 827                         wprintf("<EM>No new messages in this room.</EM>\n");
 828                 } else if (!strcmp(oper, "readold")) {
 829                         wprintf("<EM>No old messages in this room.</EM>\n");
 830                 } else {
 831                         wprintf("<EM>This room is empty.</EM>\n");
 832                 }
 833                 goto DONE;
 834         }
 835
 836         if (startmsg == 0L) startmsg = WC->msgarr[0];
 837         remaining_messages = 0;
 838
 839         for (a = 0; a < nummsgs; ++a) {
 840                 if (WC->msgarr[a] >= startmsg) {
 841                         ++remaining_messages;
 842                 }
 843         }
 844
 845         if (is_summary) {
 846                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/do_stuff_to_msgs\">\n"
 847                         "<TABLE border=0 cellspacing=0 "
 848                         "cellpadding=0 width=100%%>\n"
 849                         "<TR>"
 850                         "<TD><I>Subject</I></TD>"
 851                         "<TD><I>Sender</I></TD>"
 852                         "<TD><I>Date</I></TD>"
 853                         "<TD></TD>"
 854                         "</TR>\n"
 855                 );
 856         }
 857
 858         if (is_addressbook) {
 859                 wprintf("<TABLE border=0 cellspacing=0 "
 860                         "cellpadding=0 width=100%%>\n"
 861                 );
 862         }
 863
 864         for (a = 0; a < nummsgs; ++a) {
 865                 if ((WC->msgarr[a] >= startmsg) && (num_displayed < maxmsgs)) {
 866
 867                         /* Learn which msgs "Prev" & "Next" buttons go to */
 868                         pn_current = WC->msgarr[a];
 869                         if (a > 0) pn_previous = WC->msgarr[a-1];
 870                         if (a < (nummsgs-1)) pn_next = WC->msgarr[a+1];
 871
 872                         /* If a tabular view, set up the line */
 873                         if ( (is_summary) || (is_addressbook) ) {
 874                                 bg = 1 - bg;
 875                                 wprintf("<TR BGCOLOR=%s>",
 876                                         (bg ? "DDDDDD" : "FFFFFF")
 877                                 );
 878                         }
 879
 880                         /* Display the message */
 881                         if (is_summary) {
 882                                 summarize_message(WC->msgarr[a]);
 883                         }
 884                         else if (is_addressbook) {
 885                                 display_addressbook(WC->msgarr[a], alpha);
 886                         }
 887                         else {
 888                                 read_message(WC->msgarr[a]);
 889                         }
 890
 891                         /* If a tabular view, finish the line */
 892                         if ( (is_summary) || (is_addressbook) ) {
 893                                 wprintf("</TR>\n");
 894                         }
 895
 896                         if (lowest_displayed < 0) lowest_displayed = a;
 897                         highest_displayed = a;
 898
 899                         ++num_displayed;
 900                         --remaining_messages;
 901                 }
 902         }
 903
 904         if (is_summary) {
 905                 wprintf("</TABLE>\n");
 906         }
 907
 908         if (is_addressbook) {
 909                 wprintf("</TABLE>\n");
 910         }
 911
 912         /* Bump these because although we're thinking in zero base, the user
 913          * is a drooling idiot and is thinking in one base.
 914          */
 915         ++lowest_displayed;
 916         ++highest_displayed;
 917
 918         /* If we're only looking at one message, do a prev/next thing */
 919         if (num_displayed == 1) {
 920
 921                 wprintf("<CENTER>"
 922                         "<TABLE BORDER=0 WIDTH=100%% BGCOLOR=DDDDDD><TR><TD>"
 923                         "Reading #%d of %d messages.</TD>\n"
 924                         "<TD ALIGN=RIGHT><FONT SIZE=+1>",
 925                         lowest_displayed, nummsgs);
 926
 927                 if (is_summary) {
 928                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" "
 929                                 "VALUE=\"Delete selected\">\n");
 930                 }
 931
 932                 if (pn_previous > 0L) {
 933                         wprintf("<A HREF=\"/%s"
 934                                 "?startmsg=%ld"
 935                                 "&maxmsgs=1"
 936                                 "&summary=0\">"
 937                                 "Previous</A> \n",
 938                                         oper,
 939                                         pn_previous );
 940                 }
 941
 942                 if (pn_next > 0L) {
 943                         wprintf("<A HREF=\"/%s"
 944                                 "?startmsg=%ld"
 945                                 "&maxmsgs=1"
 946                                 "&summary=0\">"
 947                                 "Next</A> \n",
 948                                         oper,
 949                                         pn_next );
 950                 }
 951
 952                 wprintf("<A HREF=\"/%s?startmsg=%ld"
 953                         "&maxmsgs=999999&summary=1\">"
 954                         "Summary"
 955                         "</A>",
 956                         oper,
 957                         WC->msgarr[0]);
 958
 959                 wprintf("</TD></TR></TABLE></CENTER>\n");
 960         }
 961
 962
 963         /*
 964          * If we're not currently looking at ALL requested
 965          * messages, then display the selector bar
 966          */
 967         if (num_displayed > 1) {
 968                 wprintf("<CENTER>"
 969                         "<TABLE BORDER=0 WIDTH=100%% BGCOLOR=DDDDDD><TR><TD>"
 970                         "Reading #%d-%d of %d messages.</TD>\n"
 971                         "<TD ALIGN=RIGHT><FONT SIZE=+1>",
 972                         lowest_displayed, highest_displayed, nummsgs);
 973
 974                 if (is_summary) {
 975                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" "
 976                                 "VALUE=\"Delete selected\">\n");
 977                 }
 978
 979
 980                 for (b=0; b<nummsgs; b = b + maxmsgs) {
 981                 lo = b+1;
 982                 hi = b+maxmsgs+1;
 983                 if (hi > nummsgs) hi = nummsgs;
 984                         if (WC->msgarr[b] != startmsg) {
 985                                 wprintf("<A HREF=\"/%s"
 986                                         "?startmsg=%ld"
 987                                         "&maxmsgs=%d"
 988                                         "&summary=%d\">"
 989                                         "%d-%d</A> \n",
 990                                                 oper,
 991                                                 WC->msgarr[b],
 992                                                 maxmsgs,
 993                                                 is_summary,
 994                                                 lo, hi);
 995                         }
 996                         else {
 997                                 wprintf("%d-%d \n", lo, hi);
 998                         }
 999
1000                 }
1001                 wprintf("<A HREF=\"/%s?startmsg=%ld"
1002                         "&maxmsgs=999999&summary=%d\">"
1003                         "ALL"
1004                         "</A> ",
1005                         oper,
1006                         WC->msgarr[0], is_summary);
1007
1008                 wprintf("<A HREF=\"/%s?startmsg=%ld"
1009                         "&maxmsgs=999999&summary=1\">"
1010                         "Summary"
1011                         "</A>",
1012                         oper,
1013                         WC->msgarr[0]);
1014
1015                 wprintf("</TD></TR></TABLE></CENTER>\n");
1016         }
1017         if (is_summary) wprintf("</FORM>\n");
1018
1019 DONE:   wDumpContent(1);
1020 }
1021
1022
1023
1024
1025 /*
1026  * Post message (or don't post message)
1027  *
1028  * Note regarding the "dont_post" variable:
1029  * A random value (actually, it's just a timestamp) is inserted as a hidden
1030  * field called "postseq" when the display_enter page is generated.  This
1031  * value is checked when posting, using the static variable dont_post.  If a
1032  * user attempts to post twice using the same dont_post value, the message is
1033  * discarded.  This prevents the accidental double-saving of the same message
1034  * if the user happens to click the browser "back" button.
1035  */
1036 void post_message(void)
1037 {
1038         char buf[SIZ];
1039         static long dont_post = (-1L);
1040
1041         output_headers(1);
1042
1043         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">");
1044         strcpy(buf, bstr("sc"));
1045         if (strcasecmp(buf, "Save message")) {
1046                 wprintf("Cancelled.  Message was not posted.<BR>\n");
1047         } else if (atol(bstr("postseq")) == dont_post) {
1048                 wprintf("Automatically cancelled because you have already "
1049                         "saved this message.<BR>\n");
1050         } else {
1051                 sprintf(buf, "ENT0 1|%s|0|4|%s",
1052                         bstr("recp"),
1053                         bstr("subject") );
1054                 serv_puts(buf);
1055                 serv_gets(buf);
1056                 if (buf[0] == '4') {
1057                         serv_puts("Content-type: text/html");
1058                         serv_puts("");
1059                         text_to_server(bstr("msgtext"), 1);
1060                         serv_puts("000");
1061                         wprintf("Message has been posted.<BR>\n");
1062                         dont_post = atol(bstr("postseq"));
1063                 } else {
1064                         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1065                 }
1066         }
1067
1068         wDumpContent(1);
1069 }
1070
1071
1072
1073
1074 /*
1075  * display the message entry screen
1076  */
1077 void display_enter(void)
1078 {
1079         char buf[SIZ];
1080         long now;
1081         struct tm *tm;
1082
1083         output_headers(1);
1084
1085         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">");
1086
1087         sprintf(buf, "ENT0 0|%s|0|0", bstr("recp"));
1088         serv_puts(buf);
1089         serv_gets(buf);
1090
1091         if (!strncmp(buf, "570", 3)) {
1092                 if (strlen(bstr("recp")) > 0) {
1093                         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1094                 }
1095                 do_template("prompt_for_recipient");
1096                 goto DONE;
1097         }
1098         if (buf[0] != '2') {
1099                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1100                 goto DONE;
1101         }
1102
1103         now = time(NULL);
1104         tm = (struct tm *) localtime(&now);
1105         strcpy(buf, (char *) asctime(tm));
1106         buf[strlen(buf) - 1] = 0;
1107         strcpy(&buf[16], &buf[19]);
1108         wprintf("</CENTER><FONT COLOR=\"440000\">\n"
1109                 "<IMG SRC=\"static/enter.gif\" ALIGN=MIDDLE ALT=\" \" "
1110                 "onLoad=\"document.enterform.msgtext.focus();\" >");
1111         wprintf("<B> %s ", &buf[4]);
1112         wprintf("from %s ", WC->wc_username);
1113         if (strlen(bstr("recp")) > 0)
1114                 wprintf("to %s ", bstr("recp"));
1115         wprintf("in %s&gt; ", WC->wc_roomname);
1116         wprintf("</B></FONT><BR><CENTER>\n");
1117
1118         wprintf("<FORM METHOD=\"POST\" ACTION=\"/post\" "
1119                 "NAME=\"enterform\">\n");
1120         wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"%s\">\n",
1121                 bstr("recp"));
1122         wprintf("<INPUT TYPE=\"hidden\" NAME=\"postseq\" VALUE=\"%ld\">\n",
1123                 now);
1124         wprintf("<FONT SIZE=-1>Subject (optional):</FONT>"
1125                 "<INPUT TYPE=\"text\" NAME=\"subject\" MAXLENGTH=70>"
1126                 "&nbsp;&nbsp;&nbsp;"
1127                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Save message\">"
1128                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\"><BR>\n");
1129
1130         wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=30 COLS=80 "
1131                 "WIDTH=80></TEXTAREA><P>\n");
1132
1133         wprintf("</FORM></CENTER>\n");
1134 DONE:   wDumpContent(1);
1135         wprintf("</FONT>");
1136 }
1137
1138
1139
1140
1141
1142
1143
1144
1145 void delete_msg(void)
1146 {
1147         long msgid;
1148         char buf[SIZ];
1149
1150         msgid = atol(bstr("msgid"));
1151
1152         output_headers(1);
1153
1154         sprintf(buf, "DELE %ld", msgid);
1155         serv_puts(buf);
1156         serv_gets(buf);
1157         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1158
1159         wDumpContent(1);
1160 }
1161
1162
1163
1164
1165 /*
1166  * Confirm move of a message
1167  */
1168 void confirm_move_msg(void)
1169 {
1170         long msgid;
1171         char buf[SIZ];
1172         char targ[SIZ];
1173
1174         msgid = atol(bstr("msgid"));
1175
1176         output_headers(1);
1177
1178         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=770000><TR><TD>");
1179         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
1180         wprintf("<B>Confirm move of message</B>\n");
1181         wprintf("</FONT></TD></TR></TABLE>\n");
1182
1183         wprintf("<CENTER>");
1184
1185         wprintf("Please select the room to which you would like this message moved:<BR>\n");
1186
1187         wprintf("<FORM METHOD=\"POST\" ACTION=\"/move_msg\">\n");
1188         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n",
1189                 bstr("msgid"));
1190
1191
1192         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1193         serv_puts("LKRA");
1194         serv_gets(buf);
1195         if (buf[0] == '1') {
1196                 while (serv_gets(buf), strcmp(buf, "000")) {
1197                         extract(targ, buf, 0);
1198                         wprintf("<OPTION>");
1199                         escputs(targ);
1200                         wprintf("\n");
1201                 }
1202         }
1203         wprintf("</SELECT>\n");
1204         wprintf("<BR>\n");
1205
1206         wprintf("<INPUT TYPE=\"submit\" NAME=\"yesno\" VALUE=\"Move\">");
1207         wprintf("<INPUT TYPE=\"submit\" NAME=\"yesno\" VALUE=\"Cancel\">");
1208         wprintf("</FORM></CENTER>\n");
1209
1210         wprintf("</CENTER>\n");
1211         wDumpContent(1);
1212 }
1213
1214
1215
1216 void move_msg(void)
1217 {
1218         long msgid;
1219         char buf[SIZ];
1220
1221         msgid = atol(bstr("msgid"));
1222
1223         output_headers(1);
1224
1225         if (!strcasecmp(bstr("yesno"), "Move")) {
1226                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1227                 serv_puts(buf);
1228                 serv_gets(buf);
1229                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1230         } else {
1231                 wprintf("<EM>Message not moved.</EM><BR>\n");
1232         }
1233
1234         wDumpContent(1);
1235 }
1236
1237
1238
1239 void do_stuff_to_msgs(void) {
1240         char buf[SIZ];
1241         char sc[SIZ];
1242
1243         struct stuff_t {
1244                 struct stuff_t *next;
1245                 long msgnum;
1246         };
1247
1248         struct stuff_t *stuff = NULL;
1249         struct stuff_t *ptr;
1250
1251
1252         serv_puts("MSGS ALL");
1253         serv_gets(buf);
1254
1255         if (buf[0] == '1') while (serv_gets(buf), strcmp(buf, "000")) {
1256                 ptr = malloc(sizeof(struct stuff_t));
1257                 ptr->msgnum = atol(buf);
1258                 ptr->next = stuff;
1259                 stuff = ptr;
1260         }
1261
1262         strcpy(sc, bstr("sc"));
1263
1264         while (stuff != NULL) {
1265
1266                 sprintf(buf, "msg_%ld", stuff->msgnum);
1267                 if (!strcasecmp(bstr(buf), "yes")) {
1268
1269                         if (!strcasecmp(sc, "Delete selected")) {
1270                                 serv_printf("DELE %ld", stuff->msgnum);
1271                                 serv_gets(buf);
1272                         }
1273
1274                 }
1275
1276                 ptr = stuff->next;
1277                 free(stuff);
1278                 stuff = ptr;
1279         }
1280
1281         readloop("readfwd");
1282 }