splashpage: don't add trailing slash to filevols;

it prevented opening the link on Windows CE 4.20
(internet explorer 4.01)

copyparty/authsrv.py

@@ -436,6 +436,7 @@ class VFS(object):
         self.js_htm = ""
         self.all_vols: dict[str, VFS] = {}  # flattened recursive
         self.all_nodes: dict[str, VFS] = {}  # also jumpvols/shares
+        self.all_fvols: dict[str, VFS] = {}  # volumes which are files
 
         if realpath:
             rp = realpath + ("" if realpath.endswith(os.sep) else os.sep)
@@ -2690,6 +2691,10 @@ class AuthSrv(object):
             zs = "select %s from up where rd=? and fn=?" % (", ".join(up_q),)
             vol.flags["ls_q_m"] = (zs if up_m else "", up_m)
 
+        vfs.all_fvols = {
+            zs: vol for zs, vol in vfs.all_vols.items() if "is_file" in vol.flags
+        }
+
         for vol in vfs.all_nodes.values():
             if not vol.flags.get("is_file"):
                 continue

copyparty/httpcli.py

@@ -5359,6 +5359,13 @@ class HttpCli(object):
             [("/" + x).rstrip("/") + "/" for x in y]
             for y in [self.rvol, self.wvol, self.avol]
         ]
+        for zs in self.asrv.vfs.all_fvols:
+            if not zs:
+                continue  # webroot
+            zs2 = ("/" + zs).rstrip("/") + "/"
+            for zsl in (rvol, wvol, avol):
+                if zs2 in zsl:
+                    zsl[zsl.index(zs2)] = zs2[:-1]
 
         ups = []
         now = time.time()