[epiphany/mcatanzaro/more-web-app-fixes] web-app-utils: fix crash when app name contains spaces or hyphens




commit 1cc62a9d39b555c082ae90ff83120ac8eab359b9
Author: Michael Catanzaro <mcatanzaro redhat com>
Date:   Thu Dec 16 08:05:21 2021 -0600

    web-app-utils: fix crash when app name contains spaces or hyphens
    
    This is a regression from !1032. I incorrectly assumed that web app
    names cannot contain hyphens. That's bogus.

 lib/ephy-web-app-utils.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
---
diff --git a/lib/ephy-web-app-utils.c b/lib/ephy-web-app-utils.c
index 7b50f5a73..b9af72067 100644
--- a/lib/ephy-web-app-utils.c
+++ b/lib/ephy-web-app-utils.c
@@ -105,8 +105,9 @@ get_app_id_from_gapplication_id (const char *name)
 static char *
 get_gapplication_id_from_id (const char *id)
 {
-  g_auto (GStrv) split = NULL;
   g_autofree char *gapplication_id = NULL;
+  const char *final_hyphen;
+  const char *checksum;
 
   /* FIXME: Ideally we would convert hyphens to underscores here, because
    * hyphens are not very friendly to D-Bus. However, changing this
@@ -122,11 +123,12 @@ get_gapplication_id_from_id (const char *id)
     return g_steal_pointer (&gapplication_id);
 
   /* Split ID into: <normalized-name>-<checksum> */
-  split = g_strsplit (id, "-", -1);
-  if (g_strv_length (split) != 2) {
-    g_warning ("Web app ID %s is broken: must have two hyphens", id);
+  final_hyphen = strrchr (id, '-');
+  if (!final_hyphen) {
+    g_warning ("Web app ID %s is broken: must contain a hyphen", id);
     return NULL;
   }
+  checksum = final_hyphen + 1;
 
   /* We'll simply omit the <normalized-name> from the app ID, in order
    * to avoid problematic characters. Ideally we would use an underscore
@@ -134,7 +136,7 @@ get_gapplication_id_from_id (const char *id)
    * existing web apps.
    */
   g_clear_pointer (&gapplication_id, g_free);
-  gapplication_id = g_strconcat (EPHY_WEB_APP_GAPPLICATION_ID_PREFIX, split[1], NULL);
+  gapplication_id = g_strconcat (EPHY_WEB_APP_GAPPLICATION_ID_PREFIX, checksum, NULL);
 
   if (!g_application_id_is_valid (gapplication_id)) {
     g_warning ("Web app ID %s is broken: derived GApplication ID %s is not a valid app ID (is the final 
component alphanumeric?)", id, gapplication_id);


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