Cleanup of previous commit
[citadel.git] / webcit / webcit.c
index 507f6a36537c45dd254735d6e198fc9421064580..8f930f1cbc8e66763b784e96e324b7a53cda806d 100644 (file)
 StrBuf *csslocal = NULL;
 HashList *HandlerHash = NULL;
 
+void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt)
+{
+        wcsession *WCC = WC;
+       int n;
+       
+       n = GetCount(WCC->Hdr->HTTPHeaders);
+       Put(WCC->Hdr->HTTPHeaders, IKEY(n), Data, DeleteIt);
+}
 
 void DeleteWebcitHandler(void *vHandler)
 {
@@ -178,7 +186,7 @@ void output_headers(        int do_httpheaders,     /* 1 = output HTTP headers                        */
                        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,
@@ -191,7 +199,7 @@ void output_headers(        int do_httpheaders,     /* 1 = output HTTP headers                        */
                        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,
@@ -242,15 +250,10 @@ void http_redirect(const char *whichpage) {
 /*
  * 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
+       lprintf(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"
@@ -318,8 +321,7 @@ void display_success(char *successmessage)
 
 
 /*
- * 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)
 {
@@ -474,23 +476,22 @@ void seconds_since_last_gexp(void)
 int ReadPostData(void)
 {
        int rc;
-       int body_start = 0;
+       int urlencoded_post = 0;
        wcsession *WCC = WC;
        StrBuf *content = NULL;
        
+       urlencoded_post = (strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "application/x-www-form-urlencoded", 33) == 0) ;
+
        content = NewStrBufPlain(NULL, WCC->Hdr->HR.ContentLength + 256);
 
-       StrBufPrintf(content, 
+       if (!urlencoded_post)
+       {
+               StrBufPrintf(content, 
                     "Content-type: %s\n"
-                    "Content-length: %ld\n\n",
-                    ChrPtr(WCC->Hdr->HR.ContentType), 
+                            "Content-length: %ld\n\n",
+                            ChrPtr(WCC->Hdr->HR.ContentType), 
                             WCC->Hdr->HR.ContentLength);
-/*
-  hprintf("Content-type: %s\n"
-  "Content-length: %d\n\n",
-  ContentType, ContentLength);
-*/
-       body_start = StrLength(content);
+       }
 
        /** Read the entire input data at once. */
        rc = client_read_to(WCC->Hdr, content, 
@@ -500,8 +501,7 @@ int ReadPostData(void)
                return rc;
                
        
-       if (!strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "application/x-www-form-urlencoded", 33)) {
-               StrBufCutLeft(content, body_start);
+       if (urlencoded_post) {
                ParseURLParams(content);
        } else if (!strncasecmp(ChrPtr(WCC->Hdr->HR.ContentType), "multipart", 9)) {
                char *Buf;
@@ -647,15 +647,24 @@ void session_loop(void)
        }
 
        /*
-        * 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.
@@ -724,7 +733,10 @@ void session_loop(void)
        }
 
        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 {
@@ -739,17 +751,19 @@ void session_loop(void)
                                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? 
@@ -768,6 +782,23 @@ SKIP_ALL_THIS_CRAP:
 }
 
 
+
+/*
+ * 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
  */