-/* $Id$ */
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <limits.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
-#include "webcit.h"
+/*
+ * $Id$
+ */
+#include "webcit.h"
/*
* display the form for paging (x-messaging) another user
*/
void display_page(void)
{
- char buf[256];
- char user[256];
+ char recp[SIZ];
- wprintf("HTTP/1.0 200 OK\n");
- output_headers(1);
+ strcpy(recp, bstr("recp"));
- wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=007700><TR><TD>");
- wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
- wprintf("<B>Page another user</B>\n");
- wprintf("</FONT></TD></TR></TABLE>\n");
+ output_headers(1, 1, 2, 0, 0, 0);
+ wprintf("<div id=\"banner\">\n");
+ wprintf("<h1>");
+ wprintf(_("Send instant message"));
+ wprintf("</h1>");
+ wprintf("</div>\n");
- wprintf("This command sends a near-real-time message to any currently\n");
- wprintf("logged in user.<BR><BR>\n");
+ wprintf("<div id=\"content\" class=\"service\">\n");
- wprintf("<FORM METHOD=\"POST\" ACTION=\"/page_user\">\n");
+ wprintf("<div class=\"fix_scrollbar_bug\">"
+ "<table class=\"paging_background\"><tr><td>\n");
- wprintf("Select a user to send a message to: <BR>");
+ wprintf(_("Send an instant message to: "));
+ escputs(recp);
+ wprintf("<br>\n");
- wprintf("<SELECT NAME=\"recp\" SIZE=10>\n");
- serv_puts("RWHO");
- serv_gets(buf);
- if (buf[0] == '1') {
- while (serv_gets(buf), strcmp(buf, "000")) {
- extract(user, buf, 1);
- wprintf("<OPTION>");
- escputs(user);
- wprintf("\n");
- }
- }
- wprintf("</SELECT>\n");
- wprintf("<BR>\n");
+ wprintf("<FORM METHOD=\"POST\" action=\"page_user\">\n");
+ wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
+ wprintf("<input type=\"hidden\" name=\"template\" value=\"who\">\n");
- wprintf("Enter message text:<BR>");
- wprintf("<INPUT TYPE=\"text\" NAME=\"msgtext\" MAXLENGTH=80 SIZE=80>\n");
- wprintf("<BR><BR>\n");
+ wprintf("<TABLE border=0 width=100%%><TR><TD>\n");
- wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Send message\">");
- wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\"><BR>\n");
+ wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"");
+ escputs(recp);
+ wprintf("\">\n");
+
+ wprintf(_("Enter message text:"));
+ wprintf("<br />");
+
+ wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=5 COLS=40 "
+ "WIDTH=40></TEXTAREA>\n");
+
+ wprintf("</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"));
wprintf("</FORM></CENTER>\n");
+ wprintf("</td></tr></table></div>\n");
wDumpContent(1);
}
-/*
- * page another user
+/**
+ * \brief page another user
*/
void page_user(void)
{
char recp[256];
- char msgtext[256];
- char sc[256];
char buf[256];
- wprintf("HTTP/1.0 200 OK\n");
- output_headers(1);
-
- strcpy(recp, bstr("recp"));
- strcpy(msgtext, bstr("msgtext"));
- strcpy(sc, bstr("sc"));
+ safestrncpy(recp, bstr("recp"), sizeof recp);
- if (strcmp(sc, "Send message")) {
- wprintf("<EM>Message was not sent.</EM><BR>\n");
+ if (!havebstr("send_button")) {
+ safestrncpy(WC->ImportantMessage,
+ _("Message was not sent."),
+ sizeof WC->ImportantMessage
+ );
} else {
- serv_printf("SEXP %s|%s", recp, msgtext);
- serv_gets(buf);
+ serv_printf("SEXP %s|-", recp);
+ serv_getln(buf, sizeof buf);
- if (buf[0] == '2') {
- wprintf("<EM>Message has been sent to ");
- escputs(recp);
- wprintf(".</EM><BR>\n");
- } else {
- wprintf("<EM>%s</EM><BR>\n", &buf[4]);
+ if (buf[0] == '4') {
+ 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);
}
}
- wDumpContent(1);
+
+ url_do_template();
}
-/*
- * multiuser chat
+/**
+ * \brief multiuser chat
*/
void do_chat(void)
{
+ char buf[SIZ];
- wprintf("HTTP/1.0 200 OK\n");
- output_headers(1);
-
- wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=000077><TR><TD>");
- wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
- wprintf("<B>Real-time chat</B>\n");
- wprintf("</FONT></TD></TR></TABLE>\n");
-
- wprintf("A chat window should be appearing on your screen ");
- wprintf("momentarily. When you're ");
- wprintf("done, type <TT>/quit</TT> to exit. You can also ");
- wprintf("type <TT>/help</TT> for more commands.\n");
-
- wprintf("<applet codebase=\"/static\" ");
- wprintf("code=\"wcchat\" width=2 height=2>\n");
- wprintf("<PARAM NAME=username VALUE=\"%s\">\n", WC->wc_username);
- wprintf("<PARAM NAME=password VALUE=\"%s\">\n", WC->wc_password);
- wprintf("<H2>Oops!</H2>Looks like your browser doesn't support Java, ");
- wprintf("so you won't be able to access Chat. Sorry.\n");
- wprintf("</applet>\n");
- wDumpContent(1);
+ /** First, check to make sure we're still allowed in this room. */
+ serv_printf("GOTO %s", ChrPtr(WC->wc_roomname));
+ serv_getln(buf, sizeof buf);
+ if (buf[0] != '2') {
+ StrBuf *Buf;
+ Buf = NewStrBufPlain(HKEY("_BASEROOM_"));
+ smart_goto(Buf);
+ FreeStrBuf(&Buf);
+ 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", NULL);
+ end_ajax_response();
+ return;
+}
+
+
+/**
+ * \brief 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.
+ */
+int Conditional_PAGE_WAITING(StrBuf *Target, WCTemplputParams *TP)
+{
+ int len;
+ char buf[SIZ];
+
+ /** JavaScript function to alert the user that popups are probably blocked */
+ /** First, do the check as part of our page load. */
+ serv_puts("NOOP");
+ len = serv_getln(buf, sizeof buf);
+ if ((len >= 3) && (buf[3] == '*')) {
+ if ((time(NULL) - WC->last_pager_check) > 60) {
+ return 1;
+ }
+ }
+ return 0;
+ /** Then schedule it to happen again a minute from now if the user is idle. */
+}
+
+
+
+/**
+ * \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", ChrPtr(WC->wc_username));
+ serv_getln(buf, sizeof buf);
+ if (buf[0] == '3') {
+ serv_printf("PASS %s", ChrPtr(WC->wc_password));
+ serv_getln(buf, sizeof buf);
+ if (buf[0] == '2') {
+ serv_printf("GOTO %s", ChrPtr(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);
+
+ hprintf("Content-type: text/html; charset=utf-8\r\n");
+ begin_burst();
+ 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) && (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;
+ }
+
+ /** 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="#FFFFFF">"
+ "<TR><TD></TR></TD></TABLE>"
+ );
+
+ }
+
+ wprintf("<TABLE border=0 WIDTH=100%% "
+ "CELLSPACING=0 CELLPADDING=0 "
+ "BGCOLOR="#EEEEEE">");
+
+ wprintf("<TR><TD>");
+
+ if (!strcasecmp(cl_user, ":")) {
+ wprintf("<I>");
+ }
+
+ if (strcasecmp(cl_user, WC->last_chat_user)) {
+ wprintf("<B>");
+
+ if (!strcasecmp(cl_user, ChrPtr(WC->wc_fullname))) {
+ wprintf("<FONT COLOR="#FF0000">");
+ }
+ else {
+ wprintf("<FONT COLOR="#0000FF">");
+ }
+ jsescputs(cl_user);
+
+ wprintf("</FONT>: </B>");
+ }
+ else {
+ wprintf(" ");
+ }
+ jsescputs(cl_text);
+ if (!strcasecmp(cl_user, ":")) {
+ wprintf("</I>");
+ }
+
+ wprintf("</TD></TR></TABLE>");
+ wprintf("'); \n");
+
+ strcpy(WC->last_chat_user, cl_user);
+ }
+ }
+
+ wprintf("parent.chat_transcript.scrollTo(999999,999999);\">\n");
+ }
+
+ free(output_data);
+
+ wprintf("</BODY></HTML>\n");
+ wDumpContent(0);
+}
+
+
+/**
+ * \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);
+ hprintf("Content-type: text/html; charset=utf-8\r\n");
+ begin_burst();
+ wprintf("<HTML>"
+ "<BODY onLoad=\"document.chatsendform.send_this.focus();\" >"
+ );
+
+ if (havebstr("send_this")) {
+ strcpy(send_this, bstr("send_this"));
+ }
+ else {
+ strcpy(send_this, "");
+ }
+
+ if (havebstr("help_button")) {
+ strcpy(send_this, "/help");
+ }
+
+ if (havebstr("list_button")) {
+ strcpy(send_this, "/who");
+ }
+
+ if (havebstr("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;
+ }
+
+ /** 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=\"%d\">\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 ajax_send_instant_message(void) {
+ char recp[256];
+ char buf[256];
+
+ safestrncpy(recp, bstr("recp"), sizeof recp);
+
+ serv_printf("SEXP %s|-", recp);
+ serv_getln(buf, sizeof buf);
+
+ if (buf[0] == '4') {
+ text_to_server(bstr("msg"));
+ serv_puts("000");
+ }
+
+ escputs(buf); /* doesn't really matter what we return - the client ignores it */
+}
+
+
+void
+InitModule_PAGING
+(void)
+{
+ WebcitAddUrlHandler(HKEY("display_page"), "", 0, display_page, 0);
+ WebcitAddUrlHandler(HKEY("page_user"), "", 0, page_user, 0);
+ WebcitAddUrlHandler(HKEY("chat"), "", 0, do_chat, 0);
+ WebcitAddUrlHandler(HKEY("chat_recv"), "", 0, chat_recv, 0);
+ WebcitAddUrlHandler(HKEY("chat_send"), "", 0, chat_send, 0);
+ WebcitAddUrlHandler(HKEY("ajax_send_instant_message"), "", 0, ajax_send_instant_message, AJAX);
+ RegisterConditional(HKEY("COND:PAGE:WAITING"), 0, Conditional_PAGE_WAITING, CTX_NONE);
+}
+
+
+void
+SessionDestroyModule_CHAT
+(wcsession *sess)
+{
+ if (sess->chat_sock > 0)
+ close(sess->chat_sock);
}
projects / citadel.git / blobdiff