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  * If there are instant messages waiting, and we notice that we haven't checked them in
 153  * a while, it probably means that we need to open the instant messenger window.
 154  */
 155 void page_popup(void)
 156 {
 157         char buf[SIZ];
 158
 159         serv_puts("NOOP");
 160         serv_getln(buf, sizeof buf);
 161         if (buf[3] == '*') {
 162                 if ((time(NULL) - WC->last_pager_check) > 60) {
 163                         wprintf("<script type=\"text/javascript\">"
 164                                 " window.open('static/instant_messenger.html', 'CTDL_MESSENGER', "
 165                                 " 'width=600,height=400');"
 166                                 "</script>"
 167                         );
 168                 }
 169         }
 170 }
 171
 172
 173
 174 /*
 175  * Support function for chat -- make sure the chat socket is connected
 176  * and in chat mode.
 177  */
 178 int setup_chat_socket(void) {
 179         char buf[SIZ];
 180         int i;
 181         int good_chatmode = 0;
 182
 183         if (WC->chat_sock < 0) {
 184
 185                 if (!strcasecmp(ctdlhost, "uds")) {
 186                         /* unix domain socket */
 187                         sprintf(buf, "%s/citadel.socket", ctdlport);
 188                         WC->chat_sock = uds_connectsock(buf);
 189                 }
 190                 else {
 191                         /* tcp socket */
 192                         WC->chat_sock = tcp_connectsock(ctdlhost, ctdlport);
 193                 }
 194
 195                 if (WC->chat_sock < 0) {
 196                         return(errno);
 197                 }
 198
 199                 /* Temporarily swap the serv and chat sockets during chat talk */
 200                 i = WC->serv_sock;
 201                 WC->serv_sock = WC->chat_sock;
 202                 WC->chat_sock = i;
 203
 204                 serv_getln(buf, sizeof buf);
 205                 if (buf[0] == '2') {
 206                         serv_printf("USER %s", WC->wc_username);
 207                         serv_getln(buf, sizeof buf);
 208                         if (buf[0] == '3') {
 209                                 serv_printf("PASS %s", WC->wc_password);
 210                                 serv_getln(buf, sizeof buf);
 211                                 if (buf[0] == '2') {
 212                                         serv_printf("GOTO %s", WC->wc_roomname);
 213                                         serv_getln(buf, sizeof buf);
 214                                         if (buf[0] == '2') {
 215                                                 serv_puts("CHAT");
 216                                                 serv_getln(buf, sizeof buf);
 217                                                 if (buf[0] == '8') {
 218                                                         good_chatmode = 1;
 219                                                 }
 220                                         }
 221                                 }
 222                         }
 223                 }
 224
 225                 /* Unswap the sockets. */
 226                 i = WC->serv_sock;
 227                 WC->serv_sock = WC->chat_sock;
 228                 WC->chat_sock = i;
 229
 230                 if (!good_chatmode) close(WC->serv_sock);
 231
 232         }
 233         return(0);
 234 }
 235
 236
 237
 238 /*
 239  * Receiving side of the chat window.  This is implemented in a
 240  * tiny hidden IFRAME that just does JavaScript writes to
 241  * other frames whenever it refreshes and finds new data.
 242  */
 243 void chat_recv(void) {
 244         int i;
 245         struct pollfd pf;
 246         int got_data = 0;
 247         int end_chat_now = 0;
 248         char buf[SIZ];
 249         char cl_user[SIZ];
 250         char cl_text[SIZ];
 251         char *output_data = NULL;
 252
 253         output_headers(0, 0, 0, 0, 0, 0);
 254
 255         wprintf("Content-type: text/html; charset=utf-8\n");
 256         wprintf("\n");
 257         wprintf("<html>\n"
 258                 "<head>\n"
 259                 "<meta http-equiv=\"refresh\" content=\"3\" />\n"
 260                 "</head>\n"
 261
 262                 "<body bgcolor=\"#FFFFFF\">\n"
 263         );
 264
 265         if (setup_chat_socket() != 0) {
 266                 wprintf(_("An error occurred while setting up the chat socket."));
 267                 wprintf("</BODY></HTML>\n");
 268                 wDumpContent(0);
 269                 return;
 270         }
 271
 272         /*
 273          * See if there is any chat data waiting.
 274          */
 275         output_data = strdup("");
 276         do {
 277                 got_data = 0;
 278                 pf.fd = WC->chat_sock;
 279                 pf.events = POLLIN;
 280                 pf.revents = 0;
 281                 if (poll(&pf, 1, 1) > 0) if (pf.revents & POLLIN) {
 282                         ++got_data;
 283
 284                         /* Temporarily swap the serv and chat sockets during chat talk */
 285                         i = WC->serv_sock;
 286                         WC->serv_sock = WC->chat_sock;
 287                         WC->chat_sock = i;
 288
 289                         serv_getln(buf, sizeof buf);
 290
 291                         if (!strcmp(buf, "000")) {
 292                                 strcpy(buf, ":|");
 293                                 strcat(buf, _("Now exiting chat mode."));
 294                                 end_chat_now = 1;
 295                         }
 296
 297                         /* Unswap the sockets. */
 298                         i = WC->serv_sock;
 299                         WC->serv_sock = WC->chat_sock;
 300                         WC->chat_sock = i;
 301
 302                         /* Append our output data */
 303                         output_data = realloc(output_data, strlen(output_data) + strlen(buf) + 4);
 304                         strcat(output_data, buf);
 305                         strcat(output_data, "\n");
 306                 }
 307
 308         } while ( (got_data) && (!end_chat_now) );
 309
 310         if (end_chat_now) {
 311                 close(WC->chat_sock);
 312                 WC->chat_sock = (-1);
 313                 wprintf("<img src=\"static/blank.gif\" onLoad=\"parent.window.close();\">\n");
 314         }
 315
 316         if (strlen(output_data) > 0) {
 317
 318                 if (output_data[strlen(output_data)-1] == '\n') {
 319                         output_data[strlen(output_data)-1] = 0;
 320                 }
 321
 322                 /* Output our fun to the other frame. */
 323                 wprintf("<img src=\"static/blank.gif\" WIDTH=1 HEIGHT=1\n"
 324                         "onLoad=\" \n"
 325                 );
 326
 327                 for (i=0; i<num_tokens(output_data, '\n'); ++i) {
 328                         extract_token(buf, output_data, i, '\n', sizeof buf);
 329                         extract_token(cl_user, buf, 0, '|', sizeof cl_user);
 330                         extract_token(cl_text, buf, 1, '|', sizeof cl_text);
 331
 332                         if (strcasecmp(cl_text, "NOOP")) {
 333
 334                                 wprintf("parent.chat_transcript.document.write('");
 335
 336                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 337                                         wprintf("<TABLE border=0 WIDTH=100%% "
 338                                                 "CELLSPACING=1 CELLPADDING=0 "
 339                                                 "BGCOLOR=&quot;#FFFFFF&quot;>"
 340                                                 "<TR><TD></TR></TD></TABLE>"
 341                                         );
 342
 343                                 }
 344
 345                                 wprintf("<TABLE border=0 WIDTH=100%% "
 346                                         "CELLSPACING=0 CELLPADDING=0 "
 347                                         "BGCOLOR=&quot;#EEEEEE&quot;>");
 348
 349                                 wprintf("<TR><TD>");
 350
 351                                 if (!strcasecmp(cl_user, ":")) {
 352                                         wprintf("<I>");
 353                                 }
 354
 355                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 356                                         wprintf("<B>");
 357
 358                                         if (!strcasecmp(cl_user, WC->wc_username)) {
 359                                                 wprintf("<FONT COLOR=&quot;#FF0000&quot;>");
 360                                         }
 361                                         else {
 362                                                 wprintf("<FONT COLOR=&quot;#0000FF&quot;>");
 363                                         }
 364                                         jsescputs(cl_user);
 365
 366                                         wprintf("</FONT>: </B>");
 367                                 }
 368                                 else {
 369                                         wprintf("&nbsp;&nbsp;&nbsp;");
 370                                 }
 371                                 jsescputs(cl_text);
 372                                 if (!strcasecmp(cl_user, ":")) {
 373                                         wprintf("</I>");
 374                                 }
 375
 376                                 wprintf("</TD></TR></TABLE>");
 377                                 wprintf("'); \n");
 378
 379                                 strcpy(WC->last_chat_user, cl_user);
 380                         }
 381                 }
 382
 383                 wprintf("parent.chat_transcript.scrollTo(999999,999999);\">\n");
 384         }
 385
 386         free(output_data);
 387
 388         wprintf("</BODY></HTML>\n");
 389         wDumpContent(0);
 390 }
 391
 392
 393 /*
 394  * sending side of the chat window
 395  */
 396 void chat_send(void) {
 397         int i;
 398         char send_this[SIZ];
 399         char buf[SIZ];
 400
 401         output_headers(0, 0, 0, 0, 0, 0);
 402         wprintf("Content-type: text/html; charset=utf-8\n");
 403         wprintf("\n");
 404         wprintf("<HTML>"
 405                 "<BODY onLoad=\"document.chatsendform.send_this.focus();\" >"
 406         );
 407
 408         if (bstr("send_this") != NULL) {
 409                 strcpy(send_this, bstr("send_this"));
 410         }
 411         else {
 412                 strcpy(send_this, "");
 413         }
 414
 415         if (strlen(bstr("help_button")) > 0) {
 416                 strcpy(send_this, "/help");
 417         }
 418
 419         if (strlen(bstr("list_button")) > 0) {
 420                 strcpy(send_this, "/who");
 421         }
 422
 423         if (strlen(bstr("exit_button")) > 0) {
 424                 strcpy(send_this, "/quit");
 425         }
 426
 427         if (setup_chat_socket() != 0) {
 428                 wprintf(_("An error occurred while setting up the chat socket."));
 429                 wprintf("</BODY></HTML>\n");
 430                 wDumpContent(0);
 431                 return;
 432         }
 433
 434         /* Temporarily swap the serv and chat sockets during chat talk */
 435         i = WC->serv_sock;
 436         WC->serv_sock = WC->chat_sock;
 437         WC->chat_sock = i;
 438
 439         while (strlen(send_this) > 0) {
 440                 if (strlen(send_this) < 67) {
 441                         serv_puts(send_this);
 442                         strcpy(send_this, "");
 443                 }
 444                 else {
 445                         for (i=55; i<67; ++i) {
 446                                 if (send_this[i] == ' ') break;
 447                         }
 448                         strncpy(buf, send_this, i);
 449                         buf[i] = 0;
 450                         strcpy(send_this, &send_this[i]);
 451                         serv_puts(buf);
 452                 }
 453         }
 454
 455         /* Unswap the sockets. */
 456         i = WC->serv_sock;
 457         WC->serv_sock = WC->chat_sock;
 458         WC->chat_sock = i;
 459
 460         wprintf("<FORM METHOD=\"POST\" action=\"chat_send\" NAME=\"chatsendform\">\n");
 461         wprintf("<INPUT TYPE=\"text\" SIZE=\"80\" MAXLENGTH=\"%d\" "
 462                 "NAME=\"send_this\">\n", SIZ-10);
 463         wprintf("<br />");
 464         wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">\n", _("Send"));
 465         wprintf("<INPUT TYPE=\"submit\" NAME=\"help_button\" VALUE=\"%s\">\n", _("Help"));
 466         wprintf("<INPUT TYPE=\"submit\" NAME=\"list_button\" VALUE=\"%s\">\n", _("List users"));
 467         wprintf("<INPUT TYPE=\"submit\" NAME=\"exit_button\" VALUE=\"%s\">\n", _("Exit"));
 468         wprintf("</FORM>\n");
 469
 470         wprintf("</BODY></HTML>\n");
 471         wDumpContent(0);
 472 }
 473