* 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
+ * Copyright (c) 1996-2013 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
+ * modify it under the terms of the GNU General Public License, version 3.
*/
#define SHOW_ME_VAPPEND_PRINTF
#include <stdio.h>
#include <stdarg.h>
#include "webcit.h"
-#include "groupdav.h"
+#include "dav.h"
#include "webserver.h"
StrBuf *csslocal = NULL;
HashList *HandlerHash = NULL;
+void stuff_to_cookie(int unset_cookie);
+extern int GetConnected(void);
+extern int verbose;
+
void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt)
{
wcsession *WCC = WC;
{
if (print_standard_html_footer) {
wc_printf("</div> <!-- end of 'content' div -->\n");
- do_template("trailing", NULL);
+ do_template("trailing");
}
/* If we've been saving it all up for one big output burst,
*/
void output_headers( int do_httpheaders, /* 1 = output HTTP headers */
int do_htmlhead, /* 1 = output HTML <head> section and <body> opener */
-
- int do_room_banner, /* 0=no, 1=yes,
- * 2 = I'm going to embed my own, so don't open the
- * <div id="content"> either.
- */
-
+ int do_room_banner, /* 1 = include the room banner and <div id="content"></div> */
int unset_cookies, /* 1 = session is terminating, so unset the cookies */
int suppress_check, /* 1 = suppress check for instant messages */
int cache /* 1 = allow browser to cache this page */
wcsession *WCC = WC;
char httpnow[128];
- hprintf("HTTP/1.1 200 OK\n");
+ if (WCC->isFailure)
+ hprintf("HTTP/2.2 500 Internal Server Error");
+ else if (WCC->Hdr->HaveRange > 1)
+ hprintf("HTTP/1.1 206 Partial Content\r\n");
+ else
+ hprintf("HTTP/1.1 200 OK\r\n");
+
http_datestring(httpnow, sizeof httpnow, time(NULL));
if (do_httpheaders) {
if (do_htmlhead) {
begin_burst();
- do_template("head", NULL);
-
- /* check for ImportantMessages (these display in a div overlaying the main screen) */
- if (!IsEmptyStr(WCC->ImportantMessage)) {
- wc_printf("<div id=\"important_message\">\n"
- "<span class=\"imsg\">");
- StrEscAppend(WCC->WBuf, NULL, WCC->ImportantMessage, 0, 0);
- wc_printf("</span><br>\n"
- "</div>\n"
- );
- StrBufAppendBufPlain(WCC->trailing_javascript,
- HKEY("setTimeout('hide_imsg_popup()', 5000); \n"),
- 0
- );
- WCC->ImportantMessage[0] = 0;
- }
- else if (StrLength(WCC->ImportantMsg) > 0) {
- wc_printf("<div id=\"important_message\">\n"
- "<span class=\"imsg\">");
- StrEscAppend(WCC->WBuf, WCC->ImportantMsg, NULL, 0, 0);
- wc_printf("</span><br>\n"
- "</div>\n"
- );
- StrBufAppendBufPlain(WCC->trailing_javascript,
- HKEY("setTimeout('hide_imsg_popup()', 5000); \n"),
- 0
- );
- FlushStrBuf(WCC->ImportantMsg);
- }
+ do_template("head");
if ( (WCC->logged_in) && (!unset_cookies) ) {
DoTemplate(HKEY("paging"), NULL, &NoCtx);
}
-
- if (do_room_banner == 1) {
+ if (do_room_banner) {
tmplput_roombanner(NULL, NULL);
}
}
- if (do_room_banner == 1) {
+ if (do_room_banner) {
wc_printf("<div id=\"content\">\n");
}
}
void output_custom_content_header(const char *ctype) {
- hprintf("HTTP/1.1 200 OK\r\n");
- hprintf("Content-type: %s; charset=utf-8\r\n",ctype);
- hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
- hprintf("Connection: close\r\n");
+ hprintf("HTTP/1.1 200 OK\r\n");
+ hprintf("Content-type: %s; charset=utf-8\r\n",ctype);
+ hprintf("Server: %s / %s\r\n", PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software));
+ hprintf("Connection: close\r\n");
}
hprintf("Location: %s\r\n", whichpage);
hprintf("URI: %s\r\n", whichpage);
hprintf("Content-type: text/html; charset=utf-8\r\n");
+ stuff_to_cookie(0);
begin_burst();
wc_printf("<html><body>");
wc_printf("Go <a href=\"%s\">here</A>.", whichpage);
/*
- * Output a piece of content to the web browser using conformant HTTP and MIME semantics
+ * Output a piece of content to the web browser using conformant HTTP and MIME semantics.
+ *
+ * If this function is called, it is expected that begin_burst() has already been called
+ * and some sort of content has been fed into the buffer. This function will transmit a
+ * bunch of headers to the client. end_burst() will add some headers of its own, and then
+ * transmit the buffered content to the client.
*/
void http_transmit_thing(const char *content_type, int is_static)
{
-
- syslog(9, "http_transmit_thing(%s)%s\n", content_type, ((is_static > 0) ? " (static)" : ""));
+ if (verbose)
+ syslog(LOG_DEBUG, "http_transmit_thing(%s)%s", content_type, ((is_static > 0) ? " (static)" : ""));
output_headers(0, 0, 0, 0, 0, is_static);
hprintf("Content-type: %s\r\n"
end_burst();
}
+void http_transmit_headers(const char *content_type, int is_static, long is_chunked, int is_gzip)
+{
+ wcsession *WCC = WC;
+ if (verbose)
+ syslog(LOG_DEBUG, "http_transmit_thing(%s)%s", content_type, ((is_static > 0) ? " (static)" : ""));
+ output_headers(0, 0, 0, 0, 0, is_static);
+
+ if (is_gzip)
+ hprintf("Content-encoding: gzip\r\n");
+
+ if (WCC->Hdr->HaveRange)
+ hprintf("Accept-Ranges: bytes\r\n"
+ "Content-Range: bytes %ld-%ld/%ld\r\n",
+ WCC->Hdr->RangeStart,
+ WCC->Hdr->RangeTil,
+ WCC->Hdr->TotalBytes);
+
+ hprintf("Content-type: %s\r\n"
+ "Server: "PACKAGE_STRING"\r\n"
+ "%s"
+ "Connection: close\r\n\r\n",
+ content_type,
+ (is_chunked)?"Transfer-Encoding: chunked\r\n":"");
+}
+
/*
* Convenience functions to display a page containing only a string
void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext)
{
hprintf("HTTP/1.1 200 OK\n");
- output_headers(1, 1, 2, 0, 0, 0);
- wc_printf("<div id=\"banner\">\n");
+ output_headers(1, 1, 1, 0, 0, 0);
+ wc_printf("<div id=\"room_banner_override\">\n");
wc_printf("<table width=100%% border=0 bgcolor=\"#%s\"><tr><td>", titlebarcolor);
wc_printf("<span class=\"titlebar\">%s</span>\n", titlebarmsg);
wc_printf("</td></tr></table>\n");
wc_printf("</div>\n<div id=\"content\">\n");
escputs(messagetext);
-
wc_printf("<hr />\n");
wDumpContent(1);
}
/*
* convenience function to indicate success
*/
-void display_success(char *successmessage)
+void display_success(const char *successmessage)
{
convenience_page("007700", "OK", successmessage);
}
PACKAGE_STRING, ChrPtr(WC->serv_info->serv_software)
);
hprintf("WWW-Authenticate: Basic realm=\"%s\"\r\n", ChrPtr(WC->serv_info->serv_humannode));
+
+ /* if this is a false cookie authentication, remove it to avoid endless loops. */
+ if (StrLength(WCC->Hdr->HR.RawCookie) > 0)
+ stuff_to_cookie(1);
+
hprintf("Content-Type: text/html\r\n");
begin_burst();
wc_printf("<h1>");
wc_printf(_("Authorization Required"));
wc_printf("</h1>\r\n");
-
- if (WCC->ImportantMsg != NULL)
+ if (WCC->ImportantMsg != NULL) {
message = ChrPtr(WCC->ImportantMsg);
- else if (WCC->ImportantMessage != NULL)
- message = WCC->ImportantMessage;
+ }
- wc_printf(_("The resource you requested requires a valid username and password. "
- "You could not be logged in: %s\n"), message);
+ wc_printf(
+ _("The resource you requested requires a valid username and password. "
+ "You could not be logged in: %s\n"),
+ message
+ );
wDumpContent(0);
- end_webcit_session();
}
+
/*
* Convenience functions to wrap around asynchronous ajax responses
*/
begin_burst();
}
+
/*
* print ajax response footer
*/
}
-
/*
* Wraps a Citadel server command in an AJAX transaction.
*/
char *junk;
size_t len;
- syslog(LOG_DEBUG, "ajax_servcmd() g_cmd=\"%s\"\n", bstr("g_cmd") );
+ if (verbose)
+ syslog(LOG_DEBUG, "ajax_servcmd() g_cmd=\"%s\"", bstr("g_cmd") );
begin_ajax_response();
Buf = NewStrBuf();
serv_puts(bstr("g_cmd"));
}
case 1:
while (!Done) {
- StrBuf_ServGetln(Buf);
+ if (StrBuf_ServGetln(Buf) < 0)
+ break;
if ( (StrLength(Buf)==3) &&
!strcmp(ChrPtr(Buf), "000")) {
Done = 1;
* This is kind of an ugly hack, but this is the only place it can go.
* If the command was GEXP, then the instant messenger window must be
* running, so reset the "last_pager_check" watchdog timer so
- * that page_popup() doesn't try to open it a second time.
+ * that page_popup() doesn't try to open it a second time. TODO: page_popup isn't with us anymore.
*/
if (!strncasecmp(bstr("g_cmd"), "GEXP", 4)) {
WCC->last_pager_check = time(NULL);
}
FreeStrBuf(&WCC->PushedDestination);
- WCC->PushedDestination = NewStrBufDup(SBSTR("url"));
- syslog(9, "Push: %s\n", ChrPtr(WCC->PushedDestination));
+ WCC->PushedDestination = NewStrBufDup(sbstr("url"));
+ if (verbose)
+ syslog(LOG_DEBUG, "Push: %s", ChrPtr(WCC->PushedDestination));
wc_printf("OK");
}
+
/*
* Go to the URL saved by push_destination()
*/
void pop_destination(void) {
wcsession *WCC = WC;
+ /*
+ * If we are in the middle of a new user signup, the server may request that
+ * we first pass through a registration screen.
+ */
+ if ((WCC) && (WCC->need_regi)) {
+ if ((WCC->PushedDestination != NULL) && (StrLength(WCC->PushedDestination) > 0)) {
+ /* Registering will take us to the My Citadel Config room, so save our place */
+ StrBufAppendBufPlain(WCC->PushedDestination, HKEY("?go="), 0);
+ StrBufUrlescAppend(WCC->PushedDestination, WCC->CurRoom.name, NULL);
+ }
+ WCC->need_regi = 0;
+ display_reg(1);
+ return;
+ }
+
+ /*
+ * Do something reasonable if we somehow ended up requesting a pop without
+ * having first done a push.
+ */
if ( (!WCC) || (WCC->PushedDestination == NULL) || (StrLength(WCC->PushedDestination) == 0) ) {
do_welcome();
return;
}
- syslog(9, "Pop: %s\n", ChrPtr(WCC->PushedDestination));
+ /*
+ * All righty then! We have a destination saved, so go there now.
+ */
+ if (verbose)
+ syslog(LOG_DEBUG, "Pop: %s", ChrPtr(WCC->PushedDestination));
http_redirect(ChrPtr(WCC->PushedDestination));
}
}
-void ParseREST_URL(void)
-{
- StrBuf *Buf;
- StrBuf *pFloor = NULL;
- wcsession *WCC = WC;
- long i = 0;
- const char *pCh = NULL;
- HashList *Floors;
- void *vFloor;
-
- syslog(1, "parsing rest URL: %s\n", ChrPtr(WCC->Hdr->HR.ReqLine));
-
- WCC->Directory = NewHash(1, Flathash);
- WCC->CurrentFloor = NULL;
-
- Buf = NewStrBuf();
- while (StrBufExtract_NextToken(Buf, WCC->Hdr->HR.ReqLine, &pCh, '/') >= 0)
- {
- if (StrLength(Buf) != 0) {
- /* ignore empty path segments */
- StrBufUnescape(Buf, 1);
- Put(WCC->Directory, IKEY(i), Buf, HFreeStrBuf);
- if (i==0)
- pFloor = Buf;
- Buf = NewStrBuf();
- }
- i++;
- }
-
- FreeStrBuf(&Buf);
- if (pFloor != NULL)
- {
- Floors = GetFloorListHash(NULL, NULL);
-
- if (Floors != NULL)
- {
- if (GetHash(WCC->FloorsByName, SKEY(pFloor), &vFloor))
- WCC->CurrentFloor = (Floor*) vFloor;
- }
- }
-}
-
int Conditional_REST_DEPTH(StrBuf *Target, WCTemplputParams *TP)
{
long Depth, IsDepth;
*/
void session_loop(void)
{
- int Flags = 0;
int xhttp;
StrBuf *Buf;
WCC->upload_length = 0;
WCC->upload = NULL;
WCC->Hdr->nWildfireHeaders = 0;
- if (WCC->Hdr->HR.Handler != NULL)
- Flags = WCC->Hdr->HR.Handler->Flags; /* so we can temporarily add our own... */
if (WCC->Hdr->HR.ContentLength > 0) {
if (ReadPostData() < 0) {
/* If the client sent a nonce that is incorrect, kill the request. */
if (havebstr("nonce")) {
- syslog(9, "Comparing supplied nonce %s to session nonce %d\n",
- bstr("nonce"), WCC->nonce
- );
+ if (verbose)
+ syslog(LOG_DEBUG, "Comparing supplied nonce %s to session nonce %d",
+ bstr("nonce"), WCC->nonce
+ );
if (ibstr("nonce") != WCC->nonce) {
- syslog(9, "Ignoring request with mismatched nonce.\n");
+ syslog(LOG_INFO, "Ignoring request with mismatched nonce.");
hprintf("HTTP/1.1 404 Security check failed\r\n");
hprintf("Content-Type: text/plain\r\n");
begin_burst();
* 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.
*/
- if ((!WCC->logged_in)
- && (StrLength(WCC->Hdr->c_username) > 0)
- && (StrLength(WCC->Hdr->c_password) > 0))
- {
+ if ( (!WCC->logged_in)
+ && (StrLength(WCC->Hdr->c_username) > 0)
+ && (StrLength(WCC->Hdr->c_password) > 0)
+ ) {
long Status;
FlushStrBuf(Buf);
*/
if (havebstr("go")) {
int ret;
- syslog(9, "Explicit room selection: %s\n", bstr("go"));
+ if (verbose)
+ syslog(LOG_DEBUG, "Explicit room selection: %s", 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);
+ if (verbose)
+ syslog(LOG_DEBUG, "Unable to change to [%s]; Reason: %d", bstr("go"), ret);
}
}
else if (havebstr("gotofirst")) {
int ret;
- syslog(9, "Explicit room selection: %s\n", bstr("gotofirst"));
+ if (verbose)
+ syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("gotofirst"));
ret = gotoroom(sbstr("gotofirst")); /* do quietly to avoid session output! */
if ((ret/100) != 2) {
- syslog(1, "Unable to change to [%s]; Reason: %d\n", bstr("gotofirst"), ret);
+ syslog(LOG_INFO, "Unable to change to [%s]; Reason: %d", bstr("gotofirst"), ret);
}
}
else if ( (StrLength(WCC->CurRoom.name) == 0) && ( (StrLength(WCC->Hdr->c_roomname) > 0) )) {
int ret;
- syslog(9, "We are in '%s' but cookie indicates '%s', going there...\n",
- ChrPtr(WCC->CurRoom.name),
- ChrPtr(WCC->Hdr->c_roomname)
+ if (verbose)
+ syslog(LOG_DEBUG, "We are in '%s' but cookie indicates '%s', going there...",
+ 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) {
- syslog(1, "COOKIEGOTO: Unable to change to [%s]; Reason: %d\n",
- ChrPtr(WCC->Hdr->c_roomname), ret);
+ if (verbose)
+ syslog(LOG_DEBUG, "COOKIEGOTO: Unable to change to [%s]; Reason: %d",
+ ChrPtr(WCC->Hdr->c_roomname), ret);
}
}
if (WCC->Hdr->HR.Handler != NULL) {
if ( (!WCC->logged_in)
&& ((WCC->Hdr->HR.Handler->Flags & ANONYMOUS) == 0)
+ && (WCC->serv_info != NULL)
&& (WCC->serv_info->serv_supports_guest == 0)
) {
display_login();
}
else {
-/*
- if ((WCC->Hdr->HR.Handler->Flags & PARSE_REST_URL) != 0)
- ParseREST_URL();
-*/
- if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0)
+ if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0) {
begin_ajax_response();
+ }
WCC->Hdr->HR.Handler->F();
- if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0)
+ if ((WCC->Hdr->HR.Handler->Flags & AJAX) != 0) {
end_ajax_response();
+ }
}
}
/* When all else fails, display the default landing page or a main menu. */
* Toplevel dav requests? or just a flat browser request?
*/
else {
- if (xhttp)
- groupdav_main();
- else
+ if (xhttp) {
+ dav_main();
+ }
+ else {
display_main_menu();
+ }
}
}
* 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);
+ wcsession *WCC = WC;
+
+ if (WCC && WCC->serv_info && WCC->serv_info->serv_supports_guest) {
+ /* default action */
+
+ if (havebstr("go")) {
+ if (verbose)
+ syslog(LOG_DEBUG, "Explicit room selection: %s", bstr("go"));
+ smart_goto(sbstr("go"));
+ }
+ else if (default_landing_page) {
+ http_redirect(default_landing_page);
+ }
+ else {
+ StrBuf *teh_lobby = NewStrBufPlain(HKEY("_BASEROOM_"));
+ smart_goto(teh_lobby);
+ FreeStrBuf(&teh_lobby);
+ }
}
else {
display_login();
{
wcsession *WCC = WC;
if (WCC != NULL)
- return ((!IsEmptyStr(WCC->ImportantMessage)) ||
- (StrLength(WCC->ImportantMsg) > 0));
+ return (StrLength(WCC->ImportantMsg) > 0);
else
return 0;
}
wcsession *WCC = WC;
if (WCC != NULL) {
- if (!IsEmptyStr(WCC->ImportantMessage)) {
- StrEscAppend(Target, NULL, WCC->ImportantMessage, 0, 0);
- WCC->ImportantMessage[0] = '\0';
- }
- else if (StrLength(WCC->ImportantMsg) > 0) {
+ if (StrLength(WCC->ImportantMsg) > 0) {
StrEscAppend(Target, WCC->ImportantMsg, NULL, 0, 0);
- FlushStrBuf(WCC->ImportantMsg);
}
}
}
csslocal, 0);
}
+void tmplput_packagestring(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBufAppendBufPlain(Target,
+ HKEY(PACKAGE_STRING), 0);
+}
+
extern char static_local_dir[PATH_MAX];
{
char dir[SIZ];
WebcitAddUrlHandler(HKEY("blank"), "", 0, blank_page, ANONYMOUS|COOKIEUNNEEDED|ISSTATIC);
+ WebcitAddUrlHandler(HKEY("landing"), "", 0, display_default_landing_page, ANONYMOUS|COOKIEUNNEEDED);
WebcitAddUrlHandler(HKEY("do_template"), "", 0, url_do_template, ANONYMOUS);
WebcitAddUrlHandler(HKEY("sslg"), "", 0, seconds_since_last_gexp, AJAX|LOGCHATTY);
WebcitAddUrlHandler(HKEY("ajax_servcmd"), "", 0, ajax_servcmd, 0);
WebcitAddUrlHandler(HKEY("pop"), "", 0, pop_destination, 0);
WebcitAddUrlHandler(HKEY("401"), "", 0, authorization_required, ANONYMOUS|COOKIEUNNEEDED);
- RegisterConditional(HKEY("COND:IMPMSG"), 0, ConditionalImportantMesage, CTX_NONE);
- RegisterConditional(HKEY("COND:REST:DEPTH"), 0, Conditional_REST_DEPTH, CTX_NONE);
- RegisterConditional(HKEY("COND:IS_HTTPS"), 0, Conditional_IS_HTTPS, CTX_NONE);
+ RegisterConditional("COND:IMPMSG", 0, ConditionalImportantMesage, CTX_NONE);
+ RegisterConditional("COND:REST:DEPTH", 0, Conditional_REST_DEPTH, CTX_NONE);
+ RegisterConditional("COND:IS_HTTPS", 0, Conditional_IS_HTTPS, CTX_NONE);
RegisterNamespace("CSSLOCAL", 0, 0, tmplput_csslocal, NULL, CTX_NONE);
RegisterNamespace("IMPORTANTMESSAGE", 0, 0, tmplput_importantmessage, NULL, CTX_NONE);
RegisterNamespace("TRAILING_JAVASCRIPT", 0, 0, tmplput_trailing_javascript, NULL, CTX_NONE);
RegisterNamespace("URL:DISPLAYNAME", 0, 1, tmplput_HANDLER_DISPLAYNAME, NULL, CTX_NONE);
+ RegisterNamespace("PACKAGESTRING", 0, 1, tmplput_packagestring, NULL, CTX_NONE);
snprintf(dir, SIZ, "%s/webcit.css", static_local_dir);
if (!access(dir, R_OK)) {
- syslog(9, "Using local Stylesheet [%s]\n", dir);
+ syslog(LOG_INFO, "Using local Stylesheet [%s]", dir);
csslocal = NewStrBufPlain(HKEY("<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\" />"));
}
else
- syslog(9, "No Site-local Stylesheet [%s] installed. \n", dir);
+ syslog(LOG_INFO, "No Site-local Stylesheet [%s] installed.", dir);
}
else
FlushStrBuf(sess->WBuf);
FlushStrBuf(sess->HBuf);
+ if (StrLength(sess->ImportantMsg) > 0) {
+ FlushStrBuf(sess->ImportantMsg);
+ }
+
}
void
projects / citadel.git / blobdiff