* change_start_page(), LoadStartpage(): check whether the startpage is allowed by...

[citadel.git] / webcit / preferences.c

diff --git a/webcit/preferences.c b/webcit/preferences.c
index a00c732936f6f5fee7223ca6ef167aa21433b142..1891beae4cfe1c41294904bb7e35067104aa8ba6 100644 (file)
--- a/webcit/preferences.c
+++ b/webcit/preferences.c
@@ -10,6 +10,7 @@
 #include "groupdav.h"
 
 HashList *PreferenceHooks;
+extern HashList *HandlerHash;
 
 typedef struct _PrefDef {
        long Type;
@@ -984,23 +985,50 @@ void offer_start_page(StrBuf *Target, WCTemplputParams *TP)
  */
 void change_start_page(void) 
 {
-       if (!havebstr("startpage")) {
+       wcsession *WCC = WC;
+       const char *pch;
+       void *vHandler;
+       int ProhibitSave = 0;
+       const StrBuf *pStartPage = sbstr("startpage");
+
+       if (pStartPage != NULL) {
+               pch = strchr(ChrPtr(pStartPage), '?');
+
+               if ((pch != NULL) && (
+                           GetHash(HandlerHash, ChrPtr(pStartPage), pch - ChrPtr(pStartPage), &vHandler), 
+                           (vHandler != NULL) &&
+                           ((((WebcitHandler*)vHandler)->Flags & PROHIBIT_STARTPAGE) != 0)))
+               { /* OK, This handler doesn't want to be set as start page, prune it. */
+                       ProhibitSave = 1;
+               }
+       }
+
+       if ((pStartPage == NULL) || 
+           (ProhibitSave == 1))
+       {
                set_preference_backend(HKEY("startpage"), 
                                       0, 
                                       NewStrBufPlain(HKEY("")),
                                       PRF_STRING,
                                       1, 
                                       NULL);
-               safestrncpy(WC->ImportantMessage,
-                           _("You no longer have a start page selected."),
-                           sizeof( WC->ImportantMessage));
+               if (ProhibitSave == 1)
+                       StrBufAppendBufPlain(WCC->ImportantMsg,
+                                            _("This isn't allowed to become the start page."),
+                                            -1, 0);
+               else
+                       StrBufAppendBufPlain(WCC->ImportantMsg,
+                                            _("You no longer have a start page selected."),
+                                            -1, 0);
                display_main_menu();
                return;
        }
 
+
+
        set_preference_backend(HKEY("startpage"), 
                               0, 
-                              NewStrBufDup(sbstr("startpage")),
+                              NewStrBufDup(pStartPage),
                               PRF_STRING,
                               1, 
                               NULL);
@@ -1014,6 +1042,7 @@ void change_start_page(void)
 void LoadStartpage(StrBuf *URL, long lvalue)
 {
        const char *pch;
+       void *vHandler;
        pch = strchr(ChrPtr(URL), '?');
        if (pch == NULL) {
                /* purge the sins of the past... */
@@ -1023,6 +1052,13 @@ void LoadStartpage(StrBuf *URL, long lvalue)
                        WC->SavePrefsToServer = 1;
                }
        }
+       else if (GetHash(HandlerHash, ChrPtr(URL), pch - ChrPtr(URL), &vHandler), 
+                (vHandler != NULL) &&
+                ((((WebcitHandler*)vHandler)->Flags & PROHIBIT_STARTPAGE) != 0))
+       { /* OK, This handler doesn't want to be set as start page, prune it. */
+               FlushStrBuf(URL);
+               WC->SavePrefsToServer = 1;
+       }
 }