filter: add page source to email filter

Since the email filter is called from lots of places, the script might
benefit from knowing the origin. That way it can modify its contents
and/or size depending.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

2 files changed, 3 insertions, 1 deletions

diff --git a/filters/email-gravatar.lua b/filters/email-gravatar.lua
index 8a53447..982e030 100644
--- a/filters/email-gravatar.lua
+++ b/filters/email-gravatar.lua
@@ -9,7 +9,7 @@
 
 require("crypto")
 
-function filter_open(email)
+function filter_open(email, page)
         buffer = ""
         md5 = crypto.digest("md5", email:sub(2, -2):lower())
 end
diff --git a/filters/email-gravatar.py b/filters/email-gravatar.py
index 4445615..f90b87d 100755
--- a/filters/email-gravatar.py
+++ b/filters/email-gravatar.py
@@ -27,6 +27,8 @@ if email[0] == '<':
 if email[-1] == '>':
         email = email[0:-1]
 
+page = sys.argv[2]
+
 md5 = hashlib.md5(email.encode()).hexdigest()
 text = sys.stdin.read().strip()