removed a bunch of blank comment lines
[citadel.git] / webcit / paging.c
index 96247ae3fe48a44babe2f3451d90c52ef6f3c36d..38b8b541d482befa0408e5231fb5bd773f966856 100644 (file)
@@ -1,15 +1,21 @@
 /*
- * $Id$
+ * This module handles instant message related functions.
+ *
+ * Copyright (c) 1996-2012 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  */
-/**
- * \defgroup PageFunc Functions which implement the chat and paging facilities.
- * \ingroup ClientPower
- */
-/*@{*/
+
 #include "webcit.h"
 
-/**
- * \brief display the form for paging (x-messaging) another user
+/*
+ * display the form for paging (x-messaging) another user
  */
 void display_page(void)
 {
@@ -17,485 +23,134 @@ void display_page(void)
 
        strcpy(recp, bstr("recp"));
 
-        output_headers(1, 1, 2, 0, 0, 0);
-        wprintf("<div id=\"banner\">\n");
-        wprintf("<h1>");
-       wprintf(_("Send instant message"));
-       wprintf("</h1>");
-        wprintf("</div>\n");
+        output_headers(1, 1, 1, 0, 0, 0);
+        wc_printf("<div id=\"room_banner_override\">\n");
+        wc_printf("<h1>");
+       wc_printf(_("Send instant message"));
+       wc_printf("</h1>");
+        wc_printf("</div>\n");
 
-       wprintf("<div id=\"content\" class=\"service\">\n");
+       wc_printf("<div id=\"content\" class=\"service\">\n");
 
-        wprintf("<div class=\"fix_scrollbar_bug\">"
-               "<table class=\"paging_background\"><tr><td>\n");
+       wc_printf("<table class=\"paging_background\"><tr><td>\n");
 
-       wprintf(_("Send an instant message to: "));
+       wc_printf(_("Send an instant message to: "));
        escputs(recp);
-       wprintf("<br>\n");
+       wc_printf("<br>\n");
 
-       wprintf("<FORM METHOD=\"POST\" action=\"page_user\">\n");
-       wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
+       wc_printf("<FORM METHOD=\"POST\" action=\"page_user\">\n");
+       wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
+       wc_printf("<input type=\"hidden\" name=\"template\" value=\"who\">\n");
 
-       wprintf("<TABLE border=0 width=100%%><TR><TD>\n");
+       wc_printf("<TABLE border=0 width=100%%><TR><TD>\n");
 
-       wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"");
+       wc_printf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"");
        escputs(recp);
-       wprintf("\">\n");
+       wc_printf("\">\n");
 
-       wprintf(_("Enter message text:"));
-       wprintf("<br />");
+       wc_printf(_("Enter message text:"));
+       wc_printf("<br>");
 
-       wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=5 COLS=40 "
+       wc_printf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=5 COLS=40 "
                "WIDTH=40></TEXTAREA>\n");
 
-       wprintf("</TD></TR></TABLE><br />\n");
+       wc_printf("</TD></TR></TABLE><br>\n");
 
-       wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">", _("Send message"));
-       wprintf("<br /><a href=\"javascript:window.close();\"%s</A>\n", _("Cancel"));
+       wc_printf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">", _("Send message"));
+       wc_printf("<br><a href=\"javascript:window.close();\"%s</A>\n", _("Cancel"));
 
-       wprintf("</FORM></CENTER>\n");
-       wprintf("</td></tr></table></div>\n");
+       wc_printf("</FORM></CENTER>\n");
+       wc_printf("</td></tr></table>\n");
        wDumpContent(1);
 }
 
-/**
- * \brief page another user
+/*
+ * page another user
  */
 void page_user(void)
 {
        char recp[256];
-       char buf[256];
+       StrBuf *Line;
 
        safestrncpy(recp, bstr("recp"), sizeof recp);
 
-       if (IsEmptyStr(bstr("send_button"))) {
-               safestrncpy(WC->ImportantMessage,
-                       _("Message was not sent."),
-                       sizeof WC->ImportantMessage
-               );
+       if (!havebstr("send_button")) {
+               AppendImportantMessage(_("Message was not sent."), -1);
        } else {
+               Line = NewStrBuf();
                serv_printf("SEXP %s|-", recp);
-               serv_getln(buf, sizeof buf);
-
-               if (buf[0] == '4') {
+               StrBuf_ServGetln(Line);
+               if (GetServerStatusMsg(Line, NULL, 0, 0) == 4) {
+                       char buf[256];
                        text_to_server(bstr("msgtext"));
                        serv_puts("000");
                        stresc(buf, 256, recp, 0, 0);
-                       snprintf(WC->ImportantMessage,
-                               sizeof WC->ImportantMessage,
-                               "%s%s.",
-                               _("Message has been sent to "),
-                               buf
-                       );
-               }
-               else {
-                       safestrncpy(WC->ImportantMessage, &buf[4], sizeof WC->ImportantMessage);
+                       AppendImportantMessage(buf, -1);
+                       AppendImportantMessage(_("Message has been sent to "), -1);
                }
        }
 
-       who();
+       url_do_template();
 }
 
 
 
-/**
- * \brief multiuser chat
- */
-void do_chat(void)
-{
-       char buf[SIZ];
-
-       /** First, check to make sure we're still allowed in this room. */
-       serv_printf("GOTO %s", WC->wc_roomname);
-       serv_getln(buf, sizeof buf);
-       if (buf[0] != '2') {
-               smart_goto("_BASEROOM_");
-               return;
-       }
-
-       /**
-        * If the chat socket is still open from a previous chat,
-        * close it -- because it might be stale or in the wrong room.
-        */
-       if (WC->chat_sock < 0) {
-               close(WC->chat_sock);
-               WC->chat_sock = (-1);
-       }
-
-       /**
-        * WebCit Chat works by having transmit, receive, and refresh
-        * frames.  Load the frameset.  (This isn't AJAX but the headers
-        * output by begin_ajax_response() happen to be the ones we need.)
-        */
-       begin_ajax_response();
-       do_template("chatframeset");
-       end_ajax_response();
-       return;
-}
-
-
-/**
- * \brief display page popup
+/*
+ * display page popup
  * If there are instant messages waiting, and we notice that we haven't checked them in
  * a while, it probably means that we need to open the instant messenger window.
  */
-void page_popup(void)
+int Conditional_PAGE_WAITING(StrBuf *Target, WCTemplputParams *TP)
 {
+       int len;
        char buf[SIZ];
 
        /** JavaScript function to alert the user that popups are probably blocked */
-       wprintf("<script type=\"text/javascript\">      "
-               "function PopUpFailed() {       "
-               " alert(\"%s\");        "
-               "}      "
-               "</script>\n",
-               _("You have one or more instant messages waiting, but the Citadel Instant Messenger "
-                 "window failed to open.  This is probably because you have a popup blocker "
-                 "installed.  Please configure your popup blocker to allow popups from this site "
-                 "if you wish to receive instant messages.")
-       );
-
        /** First, do the check as part of our page load. */
        serv_puts("NOOP");
-       serv_getln(buf, sizeof buf);
-       if (buf[3] == '*') {
+       len = serv_getln(buf, sizeof buf);
+       if ((len >= 3) && (buf[3] == '*')) {
                if ((time(NULL) - WC->last_pager_check) > 60) {
-                       wprintf("<script type=\"text/javascript\">"
-                               " var oWin = window.open('static/instant_messenger.html', "
-                               " 'CTDL_MESSENGER', 'width=700,height=400');    "
-                               " if (oWin==null || typeof(oWin)==\"undefined\") {      "
-                               "  PopUpFailed();       "
-                               " }     "
-                               "</script>"
-                       );      
+                       return 1;
                }
        }
-
-       /** Then schedule it to happen again a minute from now if the user is idle. */
-       wprintf("<script type=\"text/javascript\">      "
-               " function HandleSslp(sslg_xmlresponse) {       "
-               "  sslg_response = sslg_xmlresponse.responseText.substr(0, 1);  "
-               "  if (sslg_response == 'Y') {  "
-               "   var oWin = window.open('static/instant_messenger.html', 'CTDL_MESSENGER',   "
-               "    'width=700,height=400');   "
-               "   if (oWin==null || typeof(oWin)==\"undefined\") {    "
-               "    PopUpFailed();     "
-               "   }   "
-               "  }    "
-               " }     "
-               " function CheckPager() {       "
-               "  new Ajax.Request('sslg', { method: 'get', parameters: CtdlRandomString(),    "
-               "   onSuccess: HandleSslp } );  "
-               " }     "
-               " new PeriodicalExecuter(CheckPager, 30);       "
-               "</script>      "
-       );
+       return 0;
+       /* Then schedule it to happen again a minute from now if the user is idle. */
 }
 
 
+void ajax_send_instant_message(void) {
+       char recp[256];
+       char buf[256];
 
-/**
- * \brief Support function for chat
- * make sure the chat socket is connected
- * and in chat mode.
- */
-int setup_chat_socket(void) {
-       char buf[SIZ];
-       int i;
-       int good_chatmode = 0;
-
-       if (WC->chat_sock < 0) {
-
-               if (!strcasecmp(ctdlhost, "uds")) {
-                       /** unix domain socket */
-                       sprintf(buf, "%s/citadel.socket", ctdlport);
-                       WC->chat_sock = uds_connectsock(buf);
-               }
-               else {
-                       /** tcp socket */
-                       WC->chat_sock = tcp_connectsock(ctdlhost, ctdlport);
-               }
-
-               if (WC->chat_sock < 0) {
-                       return(errno);
-               }
-
-               /** Temporarily swap the serv and chat sockets during chat talk */
-               i = WC->serv_sock;
-               WC->serv_sock = WC->chat_sock;
-               WC->chat_sock = i;
-
-               serv_getln(buf, sizeof buf);
-               if (buf[0] == '2') {
-                       serv_printf("USER %s", WC->wc_username);
-                       serv_getln(buf, sizeof buf);
-                       if (buf[0] == '3') {
-                               serv_printf("PASS %s", WC->wc_password);
-                               serv_getln(buf, sizeof buf);
-                               if (buf[0] == '2') {
-                                       serv_printf("GOTO %s", WC->wc_roomname);
-                                       serv_getln(buf, sizeof buf);
-                                       if (buf[0] == '2') {
-                                               serv_puts("CHAT");
-                                               serv_getln(buf, sizeof buf);
-                                               if (buf[0] == '8') {
-                                                       good_chatmode = 1;
-                                               }
-                                       }
-                               }
-                       }
-               }
-
-               /** Unswap the sockets. */
-               i = WC->serv_sock;
-               WC->serv_sock = WC->chat_sock;
-               WC->chat_sock = i;
-
-               if (!good_chatmode) close(WC->serv_sock);
-
-       }
-       return(0);
-}
-
-
-
-/**
- * \brief Receiving side of the chat window.  
- * This is implemented in a
- * tiny hidden IFRAME that just does JavaScript writes to
- * other frames whenever it refreshes and finds new data.
- */
-void chat_recv(void) {
-       int i;
-       struct pollfd pf;
-       int got_data = 0;
-       int end_chat_now = 0;
-       char buf[SIZ];
-       char cl_user[SIZ];
-       char cl_text[SIZ];
-       char *output_data = NULL;
-
-       output_headers(0, 0, 0, 0, 0, 0);
-
-       wprintf("Content-type: text/html; charset=utf-8\n");
-       wprintf("\n");
-       wprintf("<html>\n"
-               "<head>\n"
-               "<meta http-equiv=\"refresh\" content=\"3\" />\n"
-               "</head>\n"
-
-               "<body bgcolor=\"#FFFFFF\">\n"
-       );
-
-       if (setup_chat_socket() != 0) {
-               wprintf(_("An error occurred while setting up the chat socket."));
-               wprintf("</BODY></HTML>\n");
-               wDumpContent(0);
-               return;
-       }
-
-       /**
-        * See if there is any chat data waiting.
-        */
-       output_data = strdup("");
-       do {
-               got_data = 0;
-               pf.fd = WC->chat_sock;
-               pf.events = POLLIN;
-               pf.revents = 0;
-               if (poll(&pf, 1, 1) > 0) if (pf.revents & POLLIN) {
-                       ++got_data;
-
-                       /** Temporarily swap the serv and chat sockets during chat talk */
-                       i = WC->serv_sock;
-                       WC->serv_sock = WC->chat_sock;
-                       WC->chat_sock = i;
-       
-                       serv_getln(buf, sizeof buf);
-
-                       if (!strcmp(buf, "000")) {
-                               strcpy(buf, ":|");
-                               strcat(buf, _("Now exiting chat mode."));
-                               end_chat_now = 1;
-                       }
-                       
-                       /** Unswap the sockets. */
-                       i = WC->serv_sock;
-                       WC->serv_sock = WC->chat_sock;
-                       WC->chat_sock = i;
-
-                       /** Append our output data */
-                       output_data = realloc(output_data, strlen(output_data) + strlen(buf) + 4);
-                       strcat(output_data, buf);
-                       strcat(output_data, "\n");
-               }
-
-       } while ( (got_data) && (!end_chat_now) );
-
-       if (end_chat_now) {
-               close(WC->chat_sock);
-               WC->chat_sock = (-1);
-               wprintf("<img src=\"static/blank.gif\" onLoad=\"parent.window.close();\">\n");
-       }
-
-       if (!IsEmptyStr(output_data)) {
-               int len;
-               len = strlen(output_data);
-               if (output_data[len-1] == '\n') {
-                       output_data[len-1] = 0;
-               }
+       safestrncpy(recp, bstr("recp"), sizeof recp);
 
-               /** Output our fun to the other frame. */
-               wprintf("<img src=\"static/blank.gif\" WIDTH=1 HEIGHT=1\n"
-                       "onLoad=\" \n"
-               );
-
-               for (i=0; i<num_tokens(output_data, '\n'); ++i) {
-                       extract_token(buf, output_data, i, '\n', sizeof buf);
-                       extract_token(cl_user, buf, 0, '|', sizeof cl_user);
-                       extract_token(cl_text, buf, 1, '|', sizeof cl_text);
-
-                       if (strcasecmp(cl_text, "NOOP")) {
-
-                               wprintf("parent.chat_transcript.document.write('");
-       
-                               if (strcasecmp(cl_user, WC->last_chat_user)) {
-                                       wprintf("<TABLE border=0 WIDTH=100%% "
-                                               "CELLSPACING=1 CELLPADDING=0 "
-                                               "BGCOLOR=&quot;#FFFFFF&quot;>"
-                                               "<TR><TD></TR></TD></TABLE>"
-                                       );
-       
-                               }
-
-                               wprintf("<TABLE border=0 WIDTH=100%% "
-                                       "CELLSPACING=0 CELLPADDING=0 "
-                                       "BGCOLOR=&quot;#EEEEEE&quot;>");
-       
-                               wprintf("<TR><TD>");
-       
-                               if (!strcasecmp(cl_user, ":")) {
-                                       wprintf("<I>");
-                               }
-
-                               if (strcasecmp(cl_user, WC->last_chat_user)) {
-                                       wprintf("<B>");
-       
-                                       if (!strcasecmp(cl_user, WC->wc_fullname)) {
-                                               wprintf("<FONT COLOR=&quot;#FF0000&quot;>");
-                                       }
-                                       else {
-                                               wprintf("<FONT COLOR=&quot;#0000FF&quot;>");
-                                       }
-                                       jsescputs(cl_user);
-       
-                                       wprintf("</FONT>: </B>");
-                               }
-                               else {
-                                       wprintf("&nbsp;&nbsp;&nbsp;");
-                               }
-                               jsescputs(cl_text);
-                               if (!strcasecmp(cl_user, ":")) {
-                                       wprintf("</I>");
-                               }
-
-                               wprintf("</TD></TR></TABLE>");
-                               wprintf("'); \n");
-
-                               strcpy(WC->last_chat_user, cl_user);
-                       }
-               }
+       serv_printf("SEXP %s|-", recp);
+       serv_getln(buf, sizeof buf);
 
-               wprintf("parent.chat_transcript.scrollTo(999999,999999);\">\n");
+       if (buf[0] == '4') {
+               text_to_server(bstr("msg"));
+               serv_puts("000");
        }
 
-       free(output_data);
-
-       wprintf("</BODY></HTML>\n");
-       wDumpContent(0);
+       escputs(buf);   /* doesn't really matter what we return - the client ignores it */
 }
 
 
-/**
- * \brief sending side of the chat window
- */
-void chat_send(void) {
-       int i;
-       char send_this[SIZ];
-       char buf[SIZ];
-
-       output_headers(0, 0, 0, 0, 0, 0);
-       wprintf("Content-type: text/html; charset=utf-8\n");
-       wprintf("\n");
-       wprintf("<HTML>"
-               "<BODY onLoad=\"document.chatsendform.send_this.focus();\" >"
-       );
-
-       if (bstr("send_this") != NULL) {
-               strcpy(send_this, bstr("send_this"));
-       }
-       else {
-               strcpy(send_this, "");
-       }
-
-       if (!IsEmptyStr(bstr("help_button"))) {
-               strcpy(send_this, "/help");
-       }
-
-       if (!IsEmptyStr(bstr("list_button"))) {
-               strcpy(send_this, "/who");
-       }
-
-       if (!IsEmptyStr(bstr("exit_button"))) {
-               strcpy(send_this, "/quit");
-       }
-
-       if (setup_chat_socket() != 0) {
-               wprintf(_("An error occurred while setting up the chat socket."));
-               wprintf("</BODY></HTML>\n");
-               wDumpContent(0);
-               return;
-       }
+void 
+InitModule_PAGING
+(void)
+{
+       WebcitAddUrlHandler(HKEY("display_page"), "", 0, display_page, 0);
+       WebcitAddUrlHandler(HKEY("page_user"), "", 0, page_user, 0);
+       WebcitAddUrlHandler(HKEY("ajax_send_instant_message"), "", 0, ajax_send_instant_message, AJAX);
+       RegisterConditional(HKEY("COND:PAGE:WAITING"), 0, Conditional_PAGE_WAITING, CTX_NONE);
+}
 
-       /** Temporarily swap the serv and chat sockets during chat talk */
-       i = WC->serv_sock;
-       WC->serv_sock = WC->chat_sock;
-       WC->chat_sock = i;
 
-       while (!IsEmptyStr(send_this)) {
-               if (strlen(send_this) < 67) {
-                       serv_puts(send_this);
-                       strcpy(send_this, "");
-               }
-               else {
-                       for (i=55; i<67; ++i) {
-                               if (send_this[i] == ' ') break;
-                       }
-                       strncpy(buf, send_this, i);
-                       buf[i] = 0;
-                       strcpy(send_this, &send_this[i]);
-                       serv_puts(buf);
-               }
-       }
-
-       /** Unswap the sockets. */
-       i = WC->serv_sock;
-       WC->serv_sock = WC->chat_sock;
-       WC->chat_sock = i;
-
-       wprintf("<FORM METHOD=\"POST\" action=\"chat_send\" NAME=\"chatsendform\">\n");
-       wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
-       wprintf("<INPUT TYPE=\"text\" SIZE=\"80\" MAXLENGTH=\"%d\" "
-               "NAME=\"send_this\">\n", SIZ-10);
-       wprintf("<br />");
-       wprintf("<INPUT TYPE=\"submit\" NAME=\"send_button\" VALUE=\"%s\">\n", _("Send"));
-       wprintf("<INPUT TYPE=\"submit\" NAME=\"help_button\" VALUE=\"%s\">\n", _("Help"));
-       wprintf("<INPUT TYPE=\"submit\" NAME=\"list_button\" VALUE=\"%s\">\n", _("List users"));
-       wprintf("<INPUT TYPE=\"submit\" NAME=\"exit_button\" VALUE=\"%s\">\n", _("Exit"));
-       wprintf("</FORM>\n");
-
-       wprintf("</BODY></HTML>\n");
-       wDumpContent(0);
+void 
+SessionDestroyModule_PAGING
+(wcsession *sess)
+{
+       /* nothing here anymore */
 }
-
-/*@}*/