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.
 142          */
 143         do_template("chatframeset");
 144         return;
 145 }
 146
 147
 148 /*
 149  *
 150  */
 151 void page_popup(void)
 152 {
 153         char buf[SIZ];
 154         char pagefrom[SIZ];
 155
 156         while (serv_puts("GEXP"), serv_getln(buf, sizeof buf), buf[0]=='1') {
 157
 158                 extract_token(pagefrom, &buf[4], 3, '|', sizeof pagefrom);
 159
 160                 wprintf("<table border=1 bgcolor=\"#880000\"><tr><td>");
 161                 wprintf("<span class=\"titlebar\">");
 162                 wprintf(_("Instant message from "));
 163                 escputs(pagefrom);
 164                 wprintf("</span></td></tr><tr><td><font color=\"#FFFFFF\">");
 165                 fmout("LEFT");
 166                 wprintf("</font></td></tr>"
 167                         "<tr><td><div align=center><font color=\"#FFFFFF\">"
 168                         "<a href=\"javascript:hide_page_popup()\">");
 169                 wprintf(_("[ close window ]"));
 170                 wprintf("</a>"
 171                         "</font></div>"
 172                         "</td></tr>"
 173                         "</table>\n");
 174         }
 175
 176         WC->HaveInstantMessages = 0;
 177 }
 178
 179
 180
 181 /*
 182  * Support function for chat -- make sure the chat socket is connected
 183  * and in chat mode.
 184  */
 185 int setup_chat_socket(void) {
 186         char buf[SIZ];
 187         int i;
 188         int good_chatmode = 0;
 189
 190         if (WC->chat_sock < 0) {
 191
 192                 if (!strcasecmp(ctdlhost, "uds")) {
 193                         /* unix domain socket */
 194                         sprintf(buf, "%s/citadel.socket", ctdlport);
 195                         WC->chat_sock = uds_connectsock(buf);
 196                 }
 197                 else {
 198                         /* tcp socket */
 199                         WC->chat_sock = tcp_connectsock(ctdlhost, ctdlport);
 200                 }
 201
 202                 if (WC->chat_sock < 0) {
 203                         return(errno);
 204                 }
 205
 206                 /* Temporarily swap the serv and chat sockets during chat talk */
 207                 i = WC->serv_sock;
 208                 WC->serv_sock = WC->chat_sock;
 209                 WC->chat_sock = i;
 210
 211                 serv_getln(buf, sizeof buf);
 212                 if (buf[0] == '2') {
 213                         serv_printf("USER %s", WC->wc_username);
 214                         serv_getln(buf, sizeof buf);
 215                         if (buf[0] == '3') {
 216                                 serv_printf("PASS %s", WC->wc_password);
 217                                 serv_getln(buf, sizeof buf);
 218                                 if (buf[0] == '2') {
 219                                         serv_printf("GOTO %s", WC->wc_roomname);
 220                                         serv_getln(buf, sizeof buf);
 221                                         if (buf[0] == '2') {
 222                                                 serv_puts("CHAT");
 223                                                 serv_getln(buf, sizeof buf);
 224                                                 if (buf[0] == '8') {
 225                                                         good_chatmode = 1;
 226                                                 }
 227                                         }
 228                                 }
 229                         }
 230                 }
 231
 232                 /* Unswap the sockets. */
 233                 i = WC->serv_sock;
 234                 WC->serv_sock = WC->chat_sock;
 235                 WC->chat_sock = i;
 236
 237                 if (!good_chatmode) close(WC->serv_sock);
 238
 239         }
 240         return(0);
 241 }
 242
 243
 244
 245 /*
 246  * Receiving side of the chat window.  This is implemented in a
 247  * tiny hidden IFRAME that just does JavaScript writes to
 248  * other frames whenever it refreshes and finds new data.
 249  */
 250 void chat_recv(void) {
 251         int i;
 252         struct pollfd pf;
 253         int got_data = 0;
 254         int end_chat_now = 0;
 255         char buf[SIZ];
 256         char cl_user[SIZ];
 257         char cl_text[SIZ];
 258         char *output_data = NULL;
 259
 260         output_headers(0, 0, 0, 0, 0, 0);
 261
 262         wprintf("Content-type: text/html; charset=utf-8\n");
 263         wprintf("\n");
 264         wprintf("<html>\n"
 265                 "<head>\n"
 266                 "<meta http-equiv=\"refresh\" content=\"3\" />\n"
 267                 "</head>\n"
 268
 269                 "<body bgcolor=\"#FFFFFF\">\n"
 270         );
 271
 272         if (setup_chat_socket() != 0) {
 273                 wprintf(_("An error occurred while setting up the chat socket."));
 274                 wprintf("</BODY></HTML>\n");
 275                 wDumpContent(0);
 276                 return;
 277         }
 278
 279         /*
 280          * See if there is any chat data waiting.
 281          */
 282         output_data = strdup("");
 283         do {
 284                 got_data = 0;
 285                 pf.fd = WC->chat_sock;
 286                 pf.events = POLLIN;
 287                 pf.revents = 0;
 288                 if (poll(&pf, 1, 1) > 0) if (pf.revents & POLLIN) {
 289                         ++got_data;
 290
 291                         /* Temporarily swap the serv and chat sockets during chat talk */
 292                         i = WC->serv_sock;
 293                         WC->serv_sock = WC->chat_sock;
 294                         WC->chat_sock = i;
 295
 296                         serv_getln(buf, sizeof buf);
 297
 298                         if (!strcmp(buf, "000")) {
 299                                 strcpy(buf, ":|");
 300                                 strcat(buf, _("Now exiting chat mode."));
 301                                 end_chat_now = 1;
 302                         }
 303
 304                         /* Unswap the sockets. */
 305                         i = WC->serv_sock;
 306                         WC->serv_sock = WC->chat_sock;
 307                         WC->chat_sock = i;
 308
 309                         /* Append our output data */
 310                         output_data = realloc(output_data, strlen(output_data) + strlen(buf) + 4);
 311                         strcat(output_data, buf);
 312                         strcat(output_data, "\n");
 313                 }
 314
 315         } while ( (got_data) && (!end_chat_now) );
 316
 317         if (end_chat_now) {
 318                 close(WC->chat_sock);
 319                 WC->chat_sock = (-1);
 320                 wprintf("<img src=\"/static/blank.gif\" onLoad=\"parent.window.close();\">\n");
 321         }
 322
 323         if (strlen(output_data) > 0) {
 324
 325                 if (output_data[strlen(output_data)-1] == '\n') {
 326                         output_data[strlen(output_data)-1] = 0;
 327                 }
 328
 329                 /* Output our fun to the other frame. */
 330                 wprintf("<img src=\"/static/blank.gif\" WIDTH=1 HEIGHT=1\n"
 331                         "onLoad=\" \n"
 332                 );
 333
 334                 for (i=0; i<num_tokens(output_data, '\n'); ++i) {
 335                         extract_token(buf, output_data, i, '\n', sizeof buf);
 336                         extract_token(cl_user, buf, 0, '|', sizeof cl_user);
 337                         extract_token(cl_text, buf, 1, '|', sizeof cl_text);
 338
 339                         if (strcasecmp(cl_text, "NOOP")) {
 340
 341                                 wprintf("parent.chat_transcript.document.write('");
 342
 343                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 344                                         wprintf("<TABLE border=0 WIDTH=100%% "
 345                                                 "CELLSPACING=1 CELLPADDING=0 "
 346                                                 "BGCOLOR=&quot;#FFFFFF&quot;>"
 347                                                 "<TR><TD></TR></TD></TABLE>"
 348                                         );
 349
 350                                 }
 351
 352                                 wprintf("<TABLE border=0 WIDTH=100%% "
 353                                         "CELLSPACING=0 CELLPADDING=0 "
 354                                         "BGCOLOR=&quot;#EEEEEE&quot;>");
 355
 356                                 wprintf("<TR><TD>");
 357
 358                                 if (!strcasecmp(cl_user, ":")) {
 359                                         wprintf("<I>");
 360                                 }
 361
 362                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 363                                         wprintf("<B>");
 364
 365                                         if (!strcasecmp(cl_user, WC->wc_username)) {
 366                                                 wprintf("<FONT COLOR=&quot;#FF0000&quot;>");
 367                                         }
 368                                         else {
 369                                                 wprintf("<FONT COLOR=&quot;#0000FF&quot;>");
 370                                         }
 371                                         jsescputs(cl_user);
 372
 373                                         wprintf("</FONT>: </B>");
 374                                 }
 375                                 else {
 376                                         wprintf("&nbsp;&nbsp;&nbsp;");
 377                                 }
 378                                 jsescputs(cl_text);
 379                                 if (!strcasecmp(cl_user, ":")) {
 380                                         wprintf("</I>");
 381                                 }
 382
 383                                 wprintf("</TD></TR></TABLE>");
 384                                 wprintf("'); \n");
 385
 386                                 strcpy(WC->last_chat_user, cl_user);
 387                         }
 388                 }
 389
 390                 wprintf("parent.chat_transcript.scrollTo(999999,999999);\">\n");
 391         }
 392
 393         free(output_data);
 394
 395         wprintf("</BODY></HTML>\n");
 396         wDumpContent(0);
 397 }
 398
 399
 400 /*
 401  * sending side of the chat window
 402  */
 403 void chat_send(void) {
 404         int i;
 405         char send_this[SIZ];
 406         char buf[SIZ];
 407
 408         output_headers(0, 0, 0, 0, 0, 0);
 409         wprintf("Content-type: text/html; charset=utf-8\n");
 410         wprintf("\n");
 411         wprintf("<HTML>"
 412                 "<BODY onLoad=\"document.chatsendform.send_this.focus();\" >"
 413         );
 414
 415         if (bstr("send_this") != NULL) {
 416                 strcpy(send_this, bstr("send_this"));
 417         }
 418         else {
 419                 strcpy(send_this, "");
 420         }
 421
 422         if (strlen(bstr("help_button")) > 0) {
 423                 strcpy(send_this, "/help");
 424         }
 425
 426         if (strlen(bstr("list_button")) > 0) {
 427                 strcpy(send_this, "/who");
 428         }
 429
 430         if (strlen(bstr("exit_button")) > 0) {
 431                 strcpy(send_this, "/quit");
 432         }
 433
 434         if (setup_chat_socket() != 0) {
 435                 wprintf(_("An error occurred while setting up the chat socket."));
 436                 wprintf("</BODY></HTML>\n");
 437                 wDumpContent(0);
 438                 return;
 439         }
 440
 441         /* Temporarily swap the serv and chat sockets during chat talk */
 442         i = WC->serv_sock;
 443         WC->serv_sock = WC->chat_sock;
 444         WC->chat_sock = i;
 445
 446         while (strlen(send_this) > 0) {
 447                 if (strlen(send_this) < 67) {
 448                         serv_puts(send_this);
 449                         strcpy(send_this, "");
 450                 }
 451                 else {
 452                         for (i=55; i<67; ++i) {
 453                                 if (send_this[i] == ' ') break;
 454                         }
 455                         strncpy(buf, send_this, i);
 456                         buf[i] = 0;
 457                         strcpy(send_this, &send_this[i]);
 458                         serv_puts(buf);
 459                 }
 460         }
 461
 462         /* Unswap the sockets. */
 463         i = WC->serv_sock;
 464         WC->serv_sock = WC->chat_sock;
 465         WC->chat_sock = i;
 466
 467         wprintf("<FORM METHOD=\"POST\" action=\"/chat_send\" NAME=\"chatsendform\">\n");
 468         wprintf("<INPUT TYPE=\"text\" SIZE=\"80\" MAXLENGTH=\"%d\" "
 469                 "NAME=\"send_this\">\n", SIZ-10);
 470         wprintf("<br />");
 471         wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">\n", _("Send"));
 472         wprintf("<INPUT TYPE=\"submit\" NAME=\"help_button\" VALUE=\"%s\">\n", _("Help"));
 473         wprintf("<INPUT TYPE=\"submit\" NAME=\"list_button\" VALUE=\"%s\">\n", _("List users"));
 474         wprintf("<INPUT TYPE=\"submit\" NAME=\"exit_button\" VALUE=\"%s\">\n", _("Exit"));
 475         wprintf("</FORM>\n");
 476
 477         wprintf("</BODY></HTML>\n");
 478         wDumpContent(0);
 479 }
 480
 481