* This is the main transaction loop of the web service. It maintains a
* persistent session to the Citadel server, handling HTTP WebCit requests as
* they arrive and presenting a user interface.
+ *
+ * Copyright (c) 1996-2011 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 as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+
#define SHOW_ME_VAPPEND_PRINTF
#include <stdio.h>
#include <stdarg.h>
#include "groupdav.h"
#include "webserver.h"
-
StrBuf *csslocal = NULL;
HashList *HandlerHash = NULL;
wc_printf("<div id=\"important_message\">\n"
"<span class=\"imsg\">");
StrEscAppend(WCC->WBuf, NULL, WCC->ImportantMessage, 0, 0);
- wc_printf("</span><br />\n"
+ wc_printf("</span><br>\n"
"</div>\n"
);
StrBufAppendBufPlain(WCC->trailing_javascript,
wc_printf("<div id=\"important_message\">\n"
"<span class=\"imsg\">");
StrEscAppend(WCC->WBuf, WCC->ImportantMsg, NULL, 0, 0);
- wc_printf("</span><br />\n"
+ wc_printf("</span><br>\n"
"</div>\n"
);
StrBufAppendBufPlain(WCC->trailing_javascript,
/*
* Output a piece of content to the web browser using conformant HTTP and MIME semantics
*/
-void http_transmit_thing(const char *content_type,
- int is_static) {
+void http_transmit_thing(const char *content_type, int is_static)
+{
-#ifndef TECH_PREVIEW
- lprintf(9, "http_transmit_thing(%s)%s\n",
- content_type,
- ((is_static > 0) ? " (static)" : "")
- );
-#endif
+ syslog(9, "http_transmit_thing(%s)%s\n", content_type, ((is_static > 0) ? " (static)" : ""));
output_headers(0, 0, 0, 0, 0, is_static);
hprintf("Content-type: %s\r\n"
/*
- * Authorization required page
- * This is probably temporary and should be revisited
+ * Authorization required page (sends a 401, causing the browser to request login credentials)
*/
void authorization_required(void)
{
char *junk;
size_t len;
+ syslog(LOG_DEBUG, "ajax_servcmd() gcmd=\"%s\"\n", bstr("g_cmd") );
begin_ajax_response();
Buf = NewStrBuf();
serv_puts(bstr("g_cmd"));
}
+/*
+ * Save a URL destination so we can go to it later
+ */
+void push_destination(void) {
+ wcsession *WCC = WC;
+
+ if (!WCC) {
+ wc_printf("no session");
+ return;
+ }
+
+ FreeStrBuf(&WCC->PushedDestination);
+ WCC->PushedDestination = NewStrBufDup(SBSTR("url"));
+ syslog(9, "Push: %s\n", ChrPtr(WCC->PushedDestination));
+ wc_printf("OK");
+}
+
+/*
+ * Go to the URL saved by push_destination()
+ */
+void pop_destination(void) {
+ wcsession *WCC = WC;
+
+ if ( (!WCC) || (WCC->PushedDestination == NULL) || (StrLength(WCC->PushedDestination) == 0) ) {
+ do_welcome();
+ return;
+ }
+
+ syslog(9, "Pop: %s\n", ChrPtr(WCC->PushedDestination));
+ http_redirect(ChrPtr(WCC->PushedDestination));
+}
+
+
int ReadPostData(void)
{
HashList *Floors;
void *vFloor;
- lprintf(1, "parsing rest URL: %s\n", ChrPtr(WCC->Hdr->HR.ReqLine));
+ syslog(1, "parsing rest URL: %s\n", ChrPtr(WCC->Hdr->HR.ReqLine));
WCC->Directory = NewHash(1, Flathash);
WCC->CurrentFloor = NULL;
WCC= WC;
WCC->upload_length = 0;
WCC->upload = NULL;
- WCC->is_mobile = 0;
WCC->Hdr->nWildfireHeaders = 0;
if (WCC->Hdr->HR.Handler != NULL)
Flags = WCC->Hdr->HR.Handler->Flags; /* so we can temporarily add our own... */
/* If the client sent a nonce that is incorrect, kill the request. */
if (havebstr("nonce")) {
- lprintf(9, "Comparing supplied nonce %s to session nonce %ld\n",
- bstr("nonce"), WCC->nonce);
+ syslog(9, "Comparing supplied nonce %s to session nonce %d\n",
+ bstr("nonce"), WCC->nonce
+ );
if (ibstr("nonce") != WCC->nonce) {
- lprintf(9, "Ignoring request with mismatched nonce.\n");
+ syslog(9, "Ignoring request with mismatched nonce.\n");
hprintf("HTTP/1.1 404 Security check failed\r\n");
hprintf("Content-Type: text/plain\r\n");
begin_burst();
}
/*
- * If we're not connected to a Citadel server, try to hook up the
- * connection now.
+ * If we're not connected to a Citadel server, try to hook up the connection now.
*/
if (!WCC->connected) {
- if (GetConnected ())
+ if (GetConnected()) {
+ hprintf("HTTP/1.1 503 Service Unavailable\r\n");
+ hprintf("Content-Type: text/html\r\n");
+ begin_burst();
+ wc_printf("<html><head><title>503 Service Unavailable</title></head><body>\n");
+ wc_printf(_("This program was unable to connect or stay "
+ "connected to the Citadel server. Please report "
+ "this problem to your system administrator.")
+ );
+ wc_printf("</body></html>\n");
+ end_burst();
goto SKIP_ALL_THIS_CRAP;
+ }
}
-
/*
* If we're not logged in, but we have authentication data (either from
* a cookie or from http-auth), try logging in to Citadel using that.
(WCC->Hdr->HR.eReqType != eHEAD);
/*
- * If a 'gotofirst' parameter has been specified, attempt to goto that room
+ * If a 'go' (or 'gotofirst') parameter has been specified, attempt to goto that room
* prior to doing anything else.
*/
- if (havebstr("gotofirst")) {
+ if (havebstr("go")) {
+ int ret;
+ syslog(9, "Explicit room selection: %s\n", bstr("go"));
+ ret = gotoroom(sbstr("go")); /* do quietly to avoid session output! */
+ if ((ret/100) != 2) {
+ syslog(1, "Unable to change to [%s]; Reason: %d\n", bstr("go"), ret);
+ }
+ }
+ else if (havebstr("gotofirst")) {
int ret;
+ syslog(9, "Explicit room selection: %s\n", bstr("gotofirst"));
ret = gotoroom(sbstr("gotofirst")); /* do quietly to avoid session output! */
if ((ret/100) != 2) {
- lprintf(1, "GOTOFIRST: Unable to change to [%s]; Reason: %d\n",
- bstr("gotofirst"), ret);
+ syslog(1, "Unable to change to [%s]; Reason: %d\n", bstr("gotofirst"), ret);
}
}
/*
* If we aren't in any room yet, but we have cookie data telling us where we're
- * supposed to be, and 'gotofirst' was not specified, then go there.
+ * supposed to be, and 'go' was not specified, then go there.
*/
else if ( (StrLength(WCC->CurRoom.name) == 0) && ( (StrLength(WCC->Hdr->c_roomname) > 0) )) {
int ret;
- lprintf(9, "We are in '%s' but cookie indicates '%s', going there...\n",
+ syslog(9, "We are in '%s' but cookie indicates '%s', going there...\n",
ChrPtr(WCC->CurRoom.name),
ChrPtr(WCC->Hdr->c_roomname)
);
ret = gotoroom(WCC->Hdr->c_roomname); /* do quietly to avoid session output! */
if ((ret/100) != 2) {
- lprintf(1, "COOKIEGOTO: Unable to change to [%s]; Reason: %d\n",
+ syslog(1, "COOKIEGOTO: Unable to change to [%s]; Reason: %d\n",
ChrPtr(WCC->Hdr->c_roomname), ret);
}
}
if (WCC->Hdr->HR.Handler != NULL) {
- if (!WCC->logged_in && ((WCC->Hdr->HR.Handler->Flags & ANONYMOUS) == 0)) {
+ if ( (!WCC->logged_in)
+ && ((WCC->Hdr->HR.Handler->Flags & ANONYMOUS) == 0)
+ && (WCC->serv_info->serv_supports_guest == 0)
+ ) {
display_login();
}
else {
end_ajax_response();
}
}
- /* When all else fais, display the main menu. */
+ /* When all else fails, display the default landing page or a main menu. */
else {
/*
* ordinary browser users get a nice login screen, DAV etc. requsets
* are given a 401 so they can handle it appropriate.
*/
if (!WCC->logged_in) {
- if (xhttp)
+ if (xhttp) {
authorization_required();
- else
- display_login();
+ }
+ else {
+ display_default_landing_page();
+ }
}
/*
* Toplevel dav requests? or just a flat browser request?
}
+
+/*
+ * Display the appropriate landing page for this site.
+ */
+void display_default_landing_page(void) {
+ if (WC->serv_info->serv_supports_guest) {
+ /* default action. probably revisit this. */
+ StrBuf *teh_lobby = NewStrBufPlain(HKEY("_BASEROOM_"));
+ smart_goto(teh_lobby);
+ FreeStrBuf(&teh_lobby);
+ }
+ else {
+ display_login();
+ }
+}
+
+
/*
* Replacement for sleep() that uses select() in order to avoid SIGALRM
*/
WebcitAddUrlHandler(HKEY("sslg"), "", 0, seconds_since_last_gexp, AJAX|LOGCHATTY);
WebcitAddUrlHandler(HKEY("ajax_servcmd"), "", 0, ajax_servcmd, 0);
WebcitAddUrlHandler(HKEY("webcit"), "", 0, blank_page, URLNAMESPACE);
+ WebcitAddUrlHandler(HKEY("push"), "", 0, push_destination, AJAX);
+ WebcitAddUrlHandler(HKEY("pop"), "", 0, pop_destination, 0);
WebcitAddUrlHandler(HKEY("401"), "", 0, authorization_required, ANONYMOUS|COOKIEUNNEEDED);
RegisterConditional(HKEY("COND:IMPMSG"), 0, ConditionalImportantMesage, CTX_NONE);
snprintf(dir, SIZ, "%s/webcit.css", static_local_dir);
if (!access(dir, R_OK)) {
- lprintf(9, "Using local Stylesheet [%s]\n", dir);
+ syslog(9, "Using local Stylesheet [%s]\n", dir);
csslocal = NewStrBufPlain(HKEY("<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\" />"));
}
else
- lprintf(9, "No Site-local Stylesheet [%s] installed. \n", dir);
+ syslog(9, "No Site-local Stylesheet [%s] installed. \n", dir);
}
FreeStrBuf(&sess->WBuf);
FreeStrBuf(&sess->HBuf);
FreeStrBuf(&sess->ImportantMsg);
+ FreeStrBuf(&sess->PushedDestination);
}