[epiphany] Find web app names using OpenGraph site_name in name attribute

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a5c34fb402ea8d1455dbb0e904fe84d0f78bfbdf
Author: Daniel Aleksandersen <code daniel priv no>
Date:   Fri Jun 3 23:54:18 2016 +0200

    Find web app names using OpenGraph site_name in name attribute
    
    Not standards compliant, but common mistake to set og:site_name
    as a name attribute instead of a property attribute. There is no
    harm in supporting both.
    
    Case-insensitive comparison for compatibility.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767184

 embed/web-extension/ephy-web-dom-utils.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/embed/web-extension/ephy-web-dom-utils.c b/embed/web-extension/ephy-web-dom-utils.c
index cf32786..bff1643 100644
--- a/embed/web-extension/ephy-web-dom-utils.c
+++ b/embed/web-extension/ephy-web-dom-utils.c
@@ -121,10 +121,13 @@ ephy_web_dom_utils_get_application_title (WebKitDOMDocument *document)
     char *property;
     WebKitDOMNode *node = webkit_dom_node_list_item (metas, i);
 
+    /* og:site_name is read from the property attribute (standard), but is
+     * commonly seen on the web in the name attribute. Both are supported. */
     name = webkit_dom_html_meta_element_get_name (WEBKIT_DOM_HTML_META_ELEMENT (node));
     property = webkit_dom_element_get_attribute (WEBKIT_DOM_ELEMENT (node), "property");
-    if (g_strcmp0 (name, "application-name") == 0
-        || g_strcmp0 (property, "og:site_name") == 0) {
+    if ((name != NULL && g_ascii_strcasecmp (name, "application-name") == 0) ||
+        (property != NULL && g_ascii_strcasecmp (property, "og:site_name") == 0) ||
+        (name != NULL && g_ascii_strcasecmp (name, "og:site_name") == 0)) {
       title = webkit_dom_html_meta_element_get_content (WEBKIT_DOM_HTML_META_ELEMENT (node));
     }
     g_free (property);