[gvfs] dav: Unescape URIs before comparing them for equality

[Ross Lagerwall <rossl src gnome org>]

commit 50af53dad6c6d6df4ba03ac04a6c6c76d2ba2337
Author: Ross Lagerwall <rosslagerwall gmail com>
Date:   Sun Mar 16 16:09:39 2014 +0000

    dav: Unescape URIs before comparing them for equality
    
    In some instances (e.g. Apache), gvfs uses percent encodings like %2A
    while Apache returns redirections encoded like %2a.  This makes
    redirections fail when non-ascii characters are used in the path.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=721543

 daemon/gvfsbackenddav.c |   17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)
---
diff --git a/daemon/gvfsbackenddav.c b/daemon/gvfsbackenddav.c
index b75ddff..8c92d18 100644
--- a/daemon/gvfsbackenddav.c
+++ b/daemon/gvfsbackenddav.c
@@ -229,6 +229,7 @@ path_equal (const char *a, const char *b, gboolean relax)
 {
   gboolean res;
   size_t a_len, b_len;
+  char *ua, *ub;
 
   if (relax == FALSE)
     return str_equal (a, b, FALSE);
@@ -236,20 +237,26 @@ path_equal (const char *a, const char *b, gboolean relax)
   if (a == NULL || b == NULL)
       return a == b;
 
-  a_len = strlen (a);
-  b_len = strlen (b);
+  ua = g_uri_unescape_string (a, "/");
+  ub = g_uri_unescape_string (b, "/");
 
-  while (a_len > 0 && a[a_len - 1] == '/')
+  a_len = strlen (ua);
+  b_len = strlen (ub);
+
+  while (a_len > 0 && ua[a_len - 1] == '/')
     a_len--;
 
-  while (b_len > 0 && b[b_len - 1] == '/')
+  while (b_len > 0 && ub[b_len - 1] == '/')
     b_len--;
 
   if (a_len == b_len)
-    res = ! strncmp (a, b, a_len);
+    res = ! strncmp (ua, ub, a_len);
   else
     res = FALSE;
 
+  g_free(ua);
+  g_free(ub);
+
   return res;
 }