From 82df67f9f1d39198c2b6386fa513b4f3bf7298d7 Mon Sep 17 00:00:00 2001
From: Luke Bratch <luke@bratch.co.uk>
Date: Mon, 19 Oct 2020 11:38:36 +0100
Subject: Add support for Open Graph titles

---
 title.bash | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/title.bash b/title.bash
index 5faf3ad..1d933c8 100755
--- a/title.bash
+++ b/title.bash
@@ -32,6 +32,7 @@
 # v1.6  : handle multiple title tags, only spoof IP if in quirks mode, add www.ispreview.co.uk to quirks mode
 # v1.6.1: change user agent string to latest Firefox
 #       : add Twitter to quirks mode since Twitter no longer sends a <title> to even the latest Firefox user agent string
+# v1.7  : add support for Open Graph titles
 
 # Disable globbing
 set -f
@@ -58,7 +59,7 @@ then
   echo "Usage: '!title <url>' where <url> is an http:// or https:// URL"
 elif [ "$url" == "-v" ] || [ "$url" == "--version" ]
 then
-  echo "blatitle version 1.6.1"
+  echo "blatitle version 1.7"
 else
   eval curl $OPTS -D /tmp/$TIME.header '$url' -o /tmp/$TIME.body.gz
   ret=$?
@@ -75,9 +76,16 @@ else
   grep -qi "Content-Type: text/plain" /tmp/$TIME.header && TYPE="text/plain"
   if [[ "$TYPE" == "text/plain" ]] || [[ "$url" =~ ^gopher:// ]]
   then
+    # text/plain or gopher:// URL, just use the first line
     grep -m1 . /tmp/$TIME.body
   else
-    cat /tmp/$TIME.body | tr '\n' ' ' | tr '\r' ' ' | grep -oiE '<title[^>]*>([^<]+)<\/title>' | head -1 | sed -r 's/<title[^>]*//I; s/^>//I; s/<\/title>$//I' | php -r 'while(($line=fgets(STDIN)) !== FALSE) echo html_entity_decode($line, ENT_QUOTES|ENT_HTML401);'
+    # Probably HTML
+    # Check for Open Graph og:title first
+    xmllint --xpath 'string(/meta/@content)' <(grep -Em1 '<.*meta.*property.*og:title' /tmp/$TIME.body) 2> /dev/null
+    # None found, look for HTML <title>
+    if [ "$?" -ne 0 ] ; then
+      cat /tmp/$TIME.body | tr '\n' ' ' | tr '\r' ' ' | grep -oiE '<title[^>]*>([^<]+)<\/title>' | head -1 | sed -r 's/<title[^>]*//I; s/^>//I; s/<\/title>$//I' | php -r 'while(($line=fgets(STDIN)) !== FALSE) echo html_entity_decode($line, ENT_QUOTES|ENT_HTML401);'
+    fi
   fi
   rm /tmp/$TIME.header /tmp/$TIME.body
 fi
-- 
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