webcit/paging.c

   1 /*
   2  * $Id$
   3  *
   4  * Functions which implement the chat and paging facilities.
   5  */
   6
   7 #include "webcit.h"
   8
   9 /*
  10  * display the form for paging (x-messaging) another user
  11  */
  12 void display_page(void)
  13 {
  14         char recp[SIZ];
  15
  16         strcpy(recp, bstr("recp"));
  17
  18         output_headers(1, 1, 2, 0, 0, 0);
  19         wprintf("<div id=\"banner\">\n"
  20                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  21                 "<SPAN CLASS=\"titlebar\">");
  22         wprintf(_("Send instant message"));
  23         wprintf("</SPAN>"
  24                 "</TD></TR></TABLE>\n"
  25                 "</div>\n<div id=\"content\">\n"
  26         );
  27
  28         wprintf("<div id=\"fix_scrollbar_bug\">"
  29                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
  30
  31         wprintf(_("Send an instant message to: "));
  32         escputs(recp);
  33         wprintf("<br>\n");
  34
  35         wprintf("<FORM METHOD=\"POST\" action=\"page_user\">\n");
  36
  37         wprintf("<TABLE border=0 width=100%%><TR><TD>\n");
  38
  39         wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"");
  40         escputs(recp);
  41         wprintf("\">\n");
  42
  43         wprintf("<INPUT TYPE=\"hidden\" NAME=\"closewin\" VALUE=\"");
  44         escputs(bstr("closewin"));
  45         wprintf("\">\n");
  46
  47         wprintf(_("Enter message text:"));
  48         wprintf("<br />");
  49
  50         wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=5 COLS=40 "
  51                 "WIDTH=40></TEXTAREA>\n");
  52
  53         wprintf("</TD></TR></TABLE><br />\n");
  54
  55         wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">", _("Send message"));
  56         wprintf("<br /><a href=\"javascript:window.close();\"%s</A>\n", _("Cancel"));
  57
  58         wprintf("</FORM></CENTER>\n");
  59         wprintf("</td></tr></table></div>\n");
  60         wDumpContent(1);
  61 }
  62
  63 /*
  64  * page another user
  65  */
  66 void page_user(void)
  67 {
  68         char recp[SIZ];
  69         char buf[SIZ];
  70         char closewin[SIZ];
  71
  72         output_headers(1, 1, 2, 0, 0, 0);
  73         wprintf("<div id=\"banner\">\n"
  74                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  75                 "<SPAN CLASS=\"titlebar\">");
  76         wprintf(_("Add or edit an event"));
  77         wprintf("</SPAN>"
  78                 "</TD></TR></TABLE>\n"
  79                 "</div>\n<div id=\"content\">\n"
  80         );
  81
  82         strcpy(recp, bstr("recp"));
  83         strcpy(closewin, bstr("closewin"));
  84
  85         if (strlen(bstr("send_button")) == 0) {
  86                 wprintf("<EM>");
  87                 wprintf(_("Message was not sent."));
  88                 wprintf("</EM><br />\n");
  89         } else {
  90                 serv_printf("SEXP %s|-", recp);
  91                 serv_getln(buf, sizeof buf);
  92
  93                 if (buf[0] == '4') {
  94                         text_to_server(bstr("msgtext"), 0);
  95                         serv_puts("000");
  96                         wprintf("<EM>");
  97                         wprintf(_("Message has been sent to "));
  98                         escputs(recp);
  99                         wprintf(".</EM><br />\n");
 100                 }
 101                 else {
 102                         wprintf("<EM>%s</EM><br />\n", &buf[4]);
 103                 }
 104         }
 105
 106         if (!strcasecmp(closewin, "yes")) {
 107                 wprintf("<CENTER><a href=\"javascript:window.close();\">");
 108                 wprintf(_("[ close window ]"));
 109                 wprintf("</A></CENTER>\n");
 110         }
 111
 112         wDumpContent(1);
 113 }
 114
 115
 116
 117 /*
 118  * multiuser chat
 119  */
 120 void do_chat(void)
 121 {
 122         char buf[SIZ];
 123
 124         /* First, check to make sure we're still allowed in this room. */
 125         serv_printf("GOTO %s", WC->wc_roomname);
 126         serv_getln(buf, sizeof buf);
 127         if (buf[0] != '2') {
 128                 smart_goto("_BASEROOM_");
 129                 return;
 130         }
 131
 132         /* If the chat socket is still open from a previous chat,
 133          * close it -- because it might be stale or in the wrong room.
 134          */
 135         if (WC->chat_sock < 0) {
 136                 close(WC->chat_sock);
 137                 WC->chat_sock = (-1);
 138         }
 139
 140         /* WebCit Chat works by having transmit, receive, and refresh
 141          * frames.  Load the frameset.  (This isn't AJAX but the headers
 142          * output by begin_ajax_response() happen to be the ones we need.)
 143          */
 144         begin_ajax_response();
 145         do_template("chatframeset");
 146         end_ajax_response();
 147         return;
 148 }
 149
 150
 151 /*
 152  *
 153  */
 154 void page_popup(void)
 155 {
 156         char buf[SIZ];
 157         char pagefrom[SIZ];
 158
 159         while (serv_puts("GEXP"), serv_getln(buf, sizeof buf), buf[0]=='1') {
 160
 161                 extract_token(pagefrom, &buf[4], 3, '|', sizeof pagefrom);
 162
 163                 wprintf("<table border=1 bgcolor=\"#880000\"><tr><td>");
 164                 wprintf("<span class=\"titlebar\">");
 165                 wprintf(_("Instant message from "));
 166                 escputs(pagefrom);
 167                 wprintf("</span></td></tr><tr><td><font color=\"#FFFFFF\">");
 168                 fmout("LEFT");
 169                 wprintf("</font></td></tr>"
 170                         "<tr><td><div align=center><font color=\"#FFFFFF\">"
 171                         "<a href=\"javascript:hide_page_popup()\">");
 172                 wprintf(_("[ close window ]"));
 173                 wprintf("</a>"
 174                         "</font></div>"
 175                         "</td></tr>"
 176                         "</table>\n");
 177         }
 178
 179         WC->HaveInstantMessages = 0;
 180 }
 181
 182
 183
 184 /*
 185  * Support function for chat -- make sure the chat socket is connected
 186  * and in chat mode.
 187  */
 188 int setup_chat_socket(void) {
 189         char buf[SIZ];
 190         int i;
 191         int good_chatmode = 0;
 192
 193         if (WC->chat_sock < 0) {
 194
 195                 if (!strcasecmp(ctdlhost, "uds")) {
 196                         /* unix domain socket */
 197                         sprintf(buf, "%s/citadel.socket", ctdlport);
 198                         WC->chat_sock = uds_connectsock(buf);
 199                 }
 200                 else {
 201                         /* tcp socket */
 202                         WC->chat_sock = tcp_connectsock(ctdlhost, ctdlport);
 203                 }
 204
 205                 if (WC->chat_sock < 0) {
 206                         return(errno);
 207                 }
 208
 209                 /* Temporarily swap the serv and chat sockets during chat talk */
 210                 i = WC->serv_sock;
 211                 WC->serv_sock = WC->chat_sock;
 212                 WC->chat_sock = i;
 213
 214                 serv_getln(buf, sizeof buf);
 215                 if (buf[0] == '2') {
 216                         serv_printf("USER %s", WC->wc_username);
 217                         serv_getln(buf, sizeof buf);
 218                         if (buf[0] == '3') {
 219                                 serv_printf("PASS %s", WC->wc_password);
 220                                 serv_getln(buf, sizeof buf);
 221                                 if (buf[0] == '2') {
 222                                         serv_printf("GOTO %s", WC->wc_roomname);
 223                                         serv_getln(buf, sizeof buf);
 224                                         if (buf[0] == '2') {
 225                                                 serv_puts("CHAT");
 226                                                 serv_getln(buf, sizeof buf);
 227                                                 if (buf[0] == '8') {
 228                                                         good_chatmode = 1;
 229                                                 }
 230                                         }
 231                                 }
 232                         }
 233                 }
 234
 235                 /* Unswap the sockets. */
 236                 i = WC->serv_sock;
 237                 WC->serv_sock = WC->chat_sock;
 238                 WC->chat_sock = i;
 239
 240                 if (!good_chatmode) close(WC->serv_sock);
 241
 242         }
 243         return(0);
 244 }
 245
 246
 247
 248 /*
 249  * Receiving side of the chat window.  This is implemented in a
 250  * tiny hidden IFRAME that just does JavaScript writes to
 251  * other frames whenever it refreshes and finds new data.
 252  */
 253 void chat_recv(void) {
 254         int i;
 255         struct pollfd pf;
 256         int got_data = 0;
 257         int end_chat_now = 0;
 258         char buf[SIZ];
 259         char cl_user[SIZ];
 260         char cl_text[SIZ];
 261         char *output_data = NULL;
 262
 263         output_headers(0, 0, 0, 0, 0, 0);
 264
 265         wprintf("Content-type: text/html; charset=utf-8\n");
 266         wprintf("\n");
 267         wprintf("<html>\n"
 268                 "<head>\n"
 269                 "<meta http-equiv=\"refresh\" content=\"3\" />\n"
 270                 "</head>\n"
 271
 272                 "<body bgcolor=\"#FFFFFF\">\n"
 273         );
 274
 275         if (setup_chat_socket() != 0) {
 276                 wprintf(_("An error occurred while setting up the chat socket."));
 277                 wprintf("</BODY></HTML>\n");
 278                 wDumpContent(0);
 279                 return;
 280         }
 281
 282         /*
 283          * See if there is any chat data waiting.
 284          */
 285         output_data = strdup("");
 286         do {
 287                 got_data = 0;
 288                 pf.fd = WC->chat_sock;
 289                 pf.events = POLLIN;
 290                 pf.revents = 0;
 291                 if (poll(&pf, 1, 1) > 0) if (pf.revents & POLLIN) {
 292                         ++got_data;
 293
 294                         /* Temporarily swap the serv and chat sockets during chat talk */
 295                         i = WC->serv_sock;
 296                         WC->serv_sock = WC->chat_sock;
 297                         WC->chat_sock = i;
 298
 299                         serv_getln(buf, sizeof buf);
 300
 301                         if (!strcmp(buf, "000")) {
 302                                 strcpy(buf, ":|");
 303                                 strcat(buf, _("Now exiting chat mode."));
 304                                 end_chat_now = 1;
 305                         }
 306
 307                         /* Unswap the sockets. */
 308                         i = WC->serv_sock;
 309                         WC->serv_sock = WC->chat_sock;
 310                         WC->chat_sock = i;
 311
 312                         /* Append our output data */
 313                         output_data = realloc(output_data, strlen(output_data) + strlen(buf) + 4);
 314                         strcat(output_data, buf);
 315                         strcat(output_data, "\n");
 316                 }
 317
 318         } while ( (got_data) && (!end_chat_now) );
 319
 320         if (end_chat_now) {
 321                 close(WC->chat_sock);
 322                 WC->chat_sock = (-1);
 323                 wprintf("<img src=\"static/blank.gif\" onLoad=\"parent.window.close();\">\n");
 324         }
 325
 326         if (strlen(output_data) > 0) {
 327
 328                 if (output_data[strlen(output_data)-1] == '\n') {
 329                         output_data[strlen(output_data)-1] = 0;
 330                 }
 331
 332                 /* Output our fun to the other frame. */
 333                 wprintf("<img src=\"static/blank.gif\" WIDTH=1 HEIGHT=1\n"
 334                         "onLoad=\" \n"
 335                 );
 336
 337                 for (i=0; i<num_tokens(output_data, '\n'); ++i) {
 338                         extract_token(buf, output_data, i, '\n', sizeof buf);
 339                         extract_token(cl_user, buf, 0, '|', sizeof cl_user);
 340                         extract_token(cl_text, buf, 1, '|', sizeof cl_text);
 341
 342                         if (strcasecmp(cl_text, "NOOP")) {
 343
 344                                 wprintf("parent.chat_transcript.document.write('");
 345
 346                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 347                                         wprintf("<TABLE border=0 WIDTH=100%% "
 348                                                 "CELLSPACING=1 CELLPADDING=0 "
 349                                                 "BGCOLOR=&quot;#FFFFFF&quot;>"
 350                                                 "<TR><TD></TR></TD></TABLE>"
 351                                         );
 352
 353                                 }
 354
 355                                 wprintf("<TABLE border=0 WIDTH=100%% "
 356                                         "CELLSPACING=0 CELLPADDING=0 "
 357                                         "BGCOLOR=&quot;#EEEEEE&quot;>");
 358
 359                                 wprintf("<TR><TD>");
 360
 361                                 if (!strcasecmp(cl_user, ":")) {
 362                                         wprintf("<I>");
 363                                 }
 364
 365                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 366                                         wprintf("<B>");
 367
 368                                         if (!strcasecmp(cl_user, WC->wc_username)) {
 369                                                 wprintf("<FONT COLOR=&quot;#FF0000&quot;>");
 370                                         }
 371                                         else {
 372                                                 wprintf("<FONT COLOR=&quot;#0000FF&quot;>");
 373                                         }
 374                                         jsescputs(cl_user);
 375
 376                                         wprintf("</FONT>: </B>");
 377                                 }
 378                                 else {
 379                                         wprintf("&nbsp;&nbsp;&nbsp;");
 380                                 }
 381                                 jsescputs(cl_text);
 382                                 if (!strcasecmp(cl_user, ":")) {
 383                                         wprintf("</I>");
 384                                 }
 385
 386                                 wprintf("</TD></TR></TABLE>");
 387                                 wprintf("'); \n");
 388
 389                                 strcpy(WC->last_chat_user, cl_user);
 390                         }
 391                 }
 392
 393                 wprintf("parent.chat_transcript.scrollTo(999999,999999);\">\n");
 394         }
 395
 396         free(output_data);
 397
 398         wprintf("</BODY></HTML>\n");
 399         wDumpContent(0);
 400 }
 401
 402
 403 /*
 404  * sending side of the chat window
 405  */
 406 void chat_send(void) {
 407         int i;
 408         char send_this[SIZ];
 409         char buf[SIZ];
 410
 411         output_headers(0, 0, 0, 0, 0, 0);
 412         wprintf("Content-type: text/html; charset=utf-8\n");
 413         wprintf("\n");
 414         wprintf("<HTML>"
 415                 "<BODY onLoad=\"document.chatsendform.send_this.focus();\" >"
 416         );
 417
 418         if (bstr("send_this") != NULL) {
 419                 strcpy(send_this, bstr("send_this"));
 420         }
 421         else {
 422                 strcpy(send_this, "");
 423         }
 424
 425         if (strlen(bstr("help_button")) > 0) {
 426                 strcpy(send_this, "/help");
 427         }
 428
 429         if (strlen(bstr("list_button")) > 0) {
 430                 strcpy(send_this, "/who");
 431         }
 432
 433         if (strlen(bstr("exit_button")) > 0) {
 434                 strcpy(send_this, "/quit");
 435         }
 436
 437         if (setup_chat_socket() != 0) {
 438                 wprintf(_("An error occurred while setting up the chat socket."));
 439                 wprintf("</BODY></HTML>\n");
 440                 wDumpContent(0);
 441                 return;
 442         }
 443
 444         /* Temporarily swap the serv and chat sockets during chat talk */
 445         i = WC->serv_sock;
 446         WC->serv_sock = WC->chat_sock;
 447         WC->chat_sock = i;
 448
 449         while (strlen(send_this) > 0) {
 450                 if (strlen(send_this) < 67) {
 451                         serv_puts(send_this);
 452                         strcpy(send_this, "");
 453                 }
 454                 else {
 455                         for (i=55; i<67; ++i) {
 456                                 if (send_this[i] == ' ') break;
 457                         }
 458                         strncpy(buf, send_this, i);
 459                         buf[i] = 0;
 460                         strcpy(send_this, &send_this[i]);
 461                         serv_puts(buf);
 462                 }
 463         }
 464
 465         /* Unswap the sockets. */
 466         i = WC->serv_sock;
 467         WC->serv_sock = WC->chat_sock;
 468         WC->chat_sock = i;
 469
 470         wprintf("<FORM METHOD=\"POST\" action=\"chat_send\" NAME=\"chatsendform\">\n");
 471         wprintf("<INPUT TYPE=\"text\" SIZE=\"80\" MAXLENGTH=\"%d\" "
 472                 "NAME=\"send_this\">\n", SIZ-10);
 473         wprintf("<br />");
 474         wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">\n", _("Send"));
 475         wprintf("<INPUT TYPE=\"submit\" NAME=\"help_button\" VALUE=\"%s\">\n", _("Help"));
 476         wprintf("<INPUT TYPE=\"submit\" NAME=\"list_button\" VALUE=\"%s\">\n", _("List users"));
 477         wprintf("<INPUT TYPE=\"submit\" NAME=\"exit_button\" VALUE=\"%s\">\n", _("Exit"));
 478         wprintf("</FORM>\n");
 479
 480         wprintf("</BODY></HTML>\n");
 481         wDumpContent(0);
 482 }
 483
 484