webcit/paging.c

   1 /*
   2  * $Id$
   3  */
   4 /**
   5  * \defgroup PageFunc Functions which implement the chat and paging facilities.
   6  */
   7 /*@{*/
   8 #include "webcit.h"
   9
  10 /**
  11  * \brief display the form for paging (x-messaging) another user
  12  */
  13 void display_page(void)
  14 {
  15         char recp[SIZ];
  16
  17         strcpy(recp, bstr("recp"));
  18
  19         output_headers(1, 1, 2, 0, 0, 0);
  20         wprintf("<div id=\"banner\">\n"
  21                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  22                 "<SPAN CLASS=\"titlebar\">");
  23         wprintf(_("Send instant message"));
  24         wprintf("</SPAN>"
  25                 "</TD></TR></TABLE>\n"
  26                 "</div>\n<div id=\"content\">\n"
  27         );
  28
  29         wprintf("<div class=\"fix_scrollbar_bug\">"
  30                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
  31
  32         wprintf(_("Send an instant message to: "));
  33         escputs(recp);
  34         wprintf("<br>\n");
  35
  36         wprintf("<FORM METHOD=\"POST\" action=\"page_user\">\n");
  37
  38         wprintf("<TABLE border=0 width=100%%><TR><TD>\n");
  39
  40         wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"");
  41         escputs(recp);
  42         wprintf("\">\n");
  43
  44         wprintf("<INPUT TYPE=\"hidden\" NAME=\"closewin\" VALUE=\"");
  45         escputs(bstr("closewin"));
  46         wprintf("\">\n");
  47
  48         wprintf(_("Enter message text:"));
  49         wprintf("<br />");
  50
  51         wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=5 COLS=40 "
  52                 "WIDTH=40></TEXTAREA>\n");
  53
  54         wprintf("</TD></TR></TABLE><br />\n");
  55
  56         wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">", _("Send message"));
  57         wprintf("<br /><a href=\"javascript:window.close();\"%s</A>\n", _("Cancel"));
  58
  59         wprintf("</FORM></CENTER>\n");
  60         wprintf("</td></tr></table></div>\n");
  61         wDumpContent(1);
  62 }
  63
  64 /**
  65  * \brief page another user
  66  */
  67 void page_user(void)
  68 {
  69         char recp[SIZ];
  70         char buf[SIZ];
  71         char closewin[SIZ];
  72
  73         output_headers(1, 1, 2, 0, 0, 0);
  74         wprintf("<div id=\"banner\">\n"
  75                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  76                 "<SPAN CLASS=\"titlebar\">");
  77         wprintf(_("Add or edit an event"));
  78         wprintf("</SPAN>"
  79                 "</TD></TR></TABLE>\n"
  80                 "</div>\n<div id=\"content\">\n"
  81         );
  82
  83         strcpy(recp, bstr("recp"));
  84         strcpy(closewin, bstr("closewin"));
  85
  86         if (strlen(bstr("send_button")) == 0) {
  87                 wprintf("<EM>");
  88                 wprintf(_("Message was not sent."));
  89                 wprintf("</EM><br />\n");
  90         } else {
  91                 serv_printf("SEXP %s|-", recp);
  92                 serv_getln(buf, sizeof buf);
  93
  94                 if (buf[0] == '4') {
  95                         text_to_server(bstr("msgtext"), 0);
  96                         serv_puts("000");
  97                         wprintf("<EM>");
  98                         wprintf(_("Message has been sent to "));
  99                         escputs(recp);
 100                         wprintf(".</EM><br />\n");
 101                 }
 102                 else {
 103                         wprintf("<EM>%s</EM><br />\n", &buf[4]);
 104                 }
 105         }
 106
 107         if (!strcasecmp(closewin, "yes")) {
 108                 wprintf("<CENTER><a href=\"javascript:window.close();\">");
 109                 wprintf(_("[ close window ]"));
 110                 wprintf("</A></CENTER>\n");
 111         }
 112
 113         wDumpContent(1);
 114 }
 115
 116
 117
 118 /**
 119  * \brief multiuser chat
 120  */
 121 void do_chat(void)
 122 {
 123         char buf[SIZ];
 124
 125         /** First, check to make sure we're still allowed in this room. */
 126         serv_printf("GOTO %s", WC->wc_roomname);
 127         serv_getln(buf, sizeof buf);
 128         if (buf[0] != '2') {
 129                 smart_goto("_BASEROOM_");
 130                 return;
 131         }
 132
 133         /**
 134          * If the chat socket is still open from a previous chat,
 135          * close it -- because it might be stale or in the wrong room.
 136          */
 137         if (WC->chat_sock < 0) {
 138                 close(WC->chat_sock);
 139                 WC->chat_sock = (-1);
 140         }
 141
 142         /**
 143          * WebCit Chat works by having transmit, receive, and refresh
 144          * frames.  Load the frameset.  (This isn't AJAX but the headers
 145          * output by begin_ajax_response() happen to be the ones we need.)
 146          */
 147         begin_ajax_response();
 148         do_template("chatframeset");
 149         end_ajax_response();
 150         return;
 151 }
 152
 153
 154 /**
 155  * \brief display page popup
 156  * If there are instant messages waiting, and we notice that we haven't checked them in
 157  * a while, it probably means that we need to open the instant messenger window.
 158  */
 159 void page_popup(void)
 160 {
 161         char buf[SIZ];
 162
 163         /** First, do the check as part of our page load. */
 164         serv_puts("NOOP");
 165         serv_getln(buf, sizeof buf);
 166         if (buf[3] == '*') {
 167                 if ((time(NULL) - WC->last_pager_check) > 60) {
 168                         wprintf("<script type=\"text/javascript\">"
 169                                 " window.open('static/instant_messenger.html', 'CTDL_MESSENGER', "
 170                                 " 'width=700,height=400');"
 171                                 "</script>"
 172                         );
 173                 }
 174         }
 175
 176         /** Then schedule it to happen again a minute from now if the user is idle. */
 177         wprintf("<script type=\"text/javascript\">      \n"
 178                 " function HandleSslp(sslg_xmlresponse) {       \n"
 179                 "  sslg_response = sslg_xmlresponse.responseText.substr(0, 1);  \n"
 180                 "  if (sslg_response == 'Y') {  \n"
 181                 "   window.open('static/instant_messenger.html', 'CTDL_MESSENGER',      \n"
 182                 "    'width=700,height=400');   \n"
 183                 "   }   \n"
 184                 " }     \n"
 185                 " function CheckPager() {       \n"
 186                 "  new Ajax.Request('sslg', { method: 'get', parameters: Math.random(), \n"
 187                 "   onSuccess: HandleSslp } );  \n"
 188                 " }     \n"
 189                 " new PeriodicalExecuter(CheckPager, 30);       \n"
 190                 "</script>      \n"
 191         );
 192 }
 193
 194
 195
 196 /**
 197  * \brief Support function for chat
 198  * make sure the chat socket is connected
 199  * and in chat mode.
 200  */
 201 int setup_chat_socket(void) {
 202         char buf[SIZ];
 203         int i;
 204         int good_chatmode = 0;
 205
 206         if (WC->chat_sock < 0) {
 207
 208                 if (!strcasecmp(ctdlhost, "uds")) {
 209                         /** unix domain socket */
 210                         sprintf(buf, "%s/citadel.socket", ctdlport);
 211                         WC->chat_sock = uds_connectsock(buf);
 212                 }
 213                 else {
 214                         /** tcp socket */
 215                         WC->chat_sock = tcp_connectsock(ctdlhost, ctdlport);
 216                 }
 217
 218                 if (WC->chat_sock < 0) {
 219                         return(errno);
 220                 }
 221
 222                 /** Temporarily swap the serv and chat sockets during chat talk */
 223                 i = WC->serv_sock;
 224                 WC->serv_sock = WC->chat_sock;
 225                 WC->chat_sock = i;
 226
 227                 serv_getln(buf, sizeof buf);
 228                 if (buf[0] == '2') {
 229                         serv_printf("USER %s", WC->wc_username);
 230                         serv_getln(buf, sizeof buf);
 231                         if (buf[0] == '3') {
 232                                 serv_printf("PASS %s", WC->wc_password);
 233                                 serv_getln(buf, sizeof buf);
 234                                 if (buf[0] == '2') {
 235                                         serv_printf("GOTO %s", WC->wc_roomname);
 236                                         serv_getln(buf, sizeof buf);
 237                                         if (buf[0] == '2') {
 238                                                 serv_puts("CHAT");
 239                                                 serv_getln(buf, sizeof buf);
 240                                                 if (buf[0] == '8') {
 241                                                         good_chatmode = 1;
 242                                                 }
 243                                         }
 244                                 }
 245                         }
 246                 }
 247
 248                 /** Unswap the sockets. */
 249                 i = WC->serv_sock;
 250                 WC->serv_sock = WC->chat_sock;
 251                 WC->chat_sock = i;
 252
 253                 if (!good_chatmode) close(WC->serv_sock);
 254
 255         }
 256         return(0);
 257 }
 258
 259
 260
 261 /**
 262  * \brief Receiving side of the chat window.
 263  * This is implemented in a
 264  * tiny hidden IFRAME that just does JavaScript writes to
 265  * other frames whenever it refreshes and finds new data.
 266  */
 267 void chat_recv(void) {
 268         int i;
 269         struct pollfd pf;
 270         int got_data = 0;
 271         int end_chat_now = 0;
 272         char buf[SIZ];
 273         char cl_user[SIZ];
 274         char cl_text[SIZ];
 275         char *output_data = NULL;
 276
 277         output_headers(0, 0, 0, 0, 0, 0);
 278
 279         wprintf("Content-type: text/html; charset=utf-8\n");
 280         wprintf("\n");
 281         wprintf("<html>\n"
 282                 "<head>\n"
 283                 "<meta http-equiv=\"refresh\" content=\"3\" />\n"
 284                 "</head>\n"
 285
 286                 "<body bgcolor=\"#FFFFFF\">\n"
 287         );
 288
 289         if (setup_chat_socket() != 0) {
 290                 wprintf(_("An error occurred while setting up the chat socket."));
 291                 wprintf("</BODY></HTML>\n");
 292                 wDumpContent(0);
 293                 return;
 294         }
 295
 296         /**
 297          * See if there is any chat data waiting.
 298          */
 299         output_data = strdup("");
 300         do {
 301                 got_data = 0;
 302                 pf.fd = WC->chat_sock;
 303                 pf.events = POLLIN;
 304                 pf.revents = 0;
 305                 if (poll(&pf, 1, 1) > 0) if (pf.revents & POLLIN) {
 306                         ++got_data;
 307
 308                         /** Temporarily swap the serv and chat sockets during chat talk */
 309                         i = WC->serv_sock;
 310                         WC->serv_sock = WC->chat_sock;
 311                         WC->chat_sock = i;
 312
 313                         serv_getln(buf, sizeof buf);
 314
 315                         if (!strcmp(buf, "000")) {
 316                                 strcpy(buf, ":|");
 317                                 strcat(buf, _("Now exiting chat mode."));
 318                                 end_chat_now = 1;
 319                         }
 320
 321                         /** Unswap the sockets. */
 322                         i = WC->serv_sock;
 323                         WC->serv_sock = WC->chat_sock;
 324                         WC->chat_sock = i;
 325
 326                         /** Append our output data */
 327                         output_data = realloc(output_data, strlen(output_data) + strlen(buf) + 4);
 328                         strcat(output_data, buf);
 329                         strcat(output_data, "\n");
 330                 }
 331
 332         } while ( (got_data) && (!end_chat_now) );
 333
 334         if (end_chat_now) {
 335                 close(WC->chat_sock);
 336                 WC->chat_sock = (-1);
 337                 wprintf("<img src=\"static/blank.gif\" onLoad=\"parent.window.close();\">\n");
 338         }
 339
 340         if (strlen(output_data) > 0) {
 341
 342                 if (output_data[strlen(output_data)-1] == '\n') {
 343                         output_data[strlen(output_data)-1] = 0;
 344                 }
 345
 346                 /** Output our fun to the other frame. */
 347                 wprintf("<img src=\"static/blank.gif\" WIDTH=1 HEIGHT=1\n"
 348                         "onLoad=\" \n"
 349                 );
 350
 351                 for (i=0; i<num_tokens(output_data, '\n'); ++i) {
 352                         extract_token(buf, output_data, i, '\n', sizeof buf);
 353                         extract_token(cl_user, buf, 0, '|', sizeof cl_user);
 354                         extract_token(cl_text, buf, 1, '|', sizeof cl_text);
 355
 356                         if (strcasecmp(cl_text, "NOOP")) {
 357
 358                                 wprintf("parent.chat_transcript.document.write('");
 359
 360                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 361                                         wprintf("<TABLE border=0 WIDTH=100%% "
 362                                                 "CELLSPACING=1 CELLPADDING=0 "
 363                                                 "BGCOLOR=&quot;#FFFFFF&quot;>"
 364                                                 "<TR><TD></TR></TD></TABLE>"
 365                                         );
 366
 367                                 }
 368
 369                                 wprintf("<TABLE border=0 WIDTH=100%% "
 370                                         "CELLSPACING=0 CELLPADDING=0 "
 371                                         "BGCOLOR=&quot;#EEEEEE&quot;>");
 372
 373                                 wprintf("<TR><TD>");
 374
 375                                 if (!strcasecmp(cl_user, ":")) {
 376                                         wprintf("<I>");
 377                                 }
 378
 379                                 if (strcasecmp(cl_user, WC->last_chat_user)) {
 380                                         wprintf("<B>");
 381
 382                                         if (!strcasecmp(cl_user, WC->wc_fullname)) {
 383                                                 wprintf("<FONT COLOR=&quot;#FF0000&quot;>");
 384                                         }
 385                                         else {
 386                                                 wprintf("<FONT COLOR=&quot;#0000FF&quot;>");
 387                                         }
 388                                         jsescputs(cl_user);
 389
 390                                         wprintf("</FONT>: </B>");
 391                                 }
 392                                 else {
 393                                         wprintf("&nbsp;&nbsp;&nbsp;");
 394                                 }
 395                                 jsescputs(cl_text);
 396                                 if (!strcasecmp(cl_user, ":")) {
 397                                         wprintf("</I>");
 398                                 }
 399
 400                                 wprintf("</TD></TR></TABLE>");
 401                                 wprintf("'); \n");
 402
 403                                 strcpy(WC->last_chat_user, cl_user);
 404                         }
 405                 }
 406
 407                 wprintf("parent.chat_transcript.scrollTo(999999,999999);\">\n");
 408         }
 409
 410         free(output_data);
 411
 412         wprintf("</BODY></HTML>\n");
 413         wDumpContent(0);
 414 }
 415
 416
 417 /**
 418  * \brief sending side of the chat window
 419  */
 420 void chat_send(void) {
 421         int i;
 422         char send_this[SIZ];
 423         char buf[SIZ];
 424
 425         output_headers(0, 0, 0, 0, 0, 0);
 426         wprintf("Content-type: text/html; charset=utf-8\n");
 427         wprintf("\n");
 428         wprintf("<HTML>"
 429                 "<BODY onLoad=\"document.chatsendform.send_this.focus();\" >"
 430         );
 431
 432         if (bstr("send_this") != NULL) {
 433                 strcpy(send_this, bstr("send_this"));
 434         }
 435         else {
 436                 strcpy(send_this, "");
 437         }
 438
 439         if (strlen(bstr("help_button")) > 0) {
 440                 strcpy(send_this, "/help");
 441         }
 442
 443         if (strlen(bstr("list_button")) > 0) {
 444                 strcpy(send_this, "/who");
 445         }
 446
 447         if (strlen(bstr("exit_button")) > 0) {
 448                 strcpy(send_this, "/quit");
 449         }
 450
 451         if (setup_chat_socket() != 0) {
 452                 wprintf(_("An error occurred while setting up the chat socket."));
 453                 wprintf("</BODY></HTML>\n");
 454                 wDumpContent(0);
 455                 return;
 456         }
 457
 458         /** Temporarily swap the serv and chat sockets during chat talk */
 459         i = WC->serv_sock;
 460         WC->serv_sock = WC->chat_sock;
 461         WC->chat_sock = i;
 462
 463         while (strlen(send_this) > 0) {
 464                 if (strlen(send_this) < 67) {
 465                         serv_puts(send_this);
 466                         strcpy(send_this, "");
 467                 }
 468                 else {
 469                         for (i=55; i<67; ++i) {
 470                                 if (send_this[i] == ' ') break;
 471                         }
 472                         strncpy(buf, send_this, i);
 473                         buf[i] = 0;
 474                         strcpy(send_this, &send_this[i]);
 475                         serv_puts(buf);
 476                 }
 477         }
 478
 479         /** Unswap the sockets. */
 480         i = WC->serv_sock;
 481         WC->serv_sock = WC->chat_sock;
 482         WC->chat_sock = i;
 483
 484         wprintf("<FORM METHOD=\"POST\" action=\"chat_send\" NAME=\"chatsendform\">\n");
 485         wprintf("<INPUT TYPE=\"text\" SIZE=\"80\" MAXLENGTH=\"%d\" "
 486                 "NAME=\"send_this\">\n", SIZ-10);
 487         wprintf("<br />");
 488         wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">\n", _("Send"));
 489         wprintf("<INPUT TYPE=\"submit\" NAME=\"help_button\" VALUE=\"%s\">\n", _("Help"));
 490         wprintf("<INPUT TYPE=\"submit\" NAME=\"list_button\" VALUE=\"%s\">\n", _("List users"));
 491         wprintf("<INPUT TYPE=\"submit\" NAME=\"exit_button\" VALUE=\"%s\">\n", _("Exit"));
 492         wprintf("</FORM>\n");
 493
 494         wprintf("</BODY></HTML>\n");
 495         wDumpContent(0);
 496 }
 497
 498 /*@}*/