6 files changed, 85 insertions, 4 deletions
diff --git a/filters/email-libravatar-hover.lua b/filters/email-libravatar-hover.lua
new file mode 100755
index 0000000..f94a980
--- /dev/null
+++ b/filters/email-libravatar-hover.lua
@@ -0,0 +1,42 @@
+#!/usr/bin/env luajit51
+local digest = require("openssl.digest")
+
+-- Function to calculate MD5 hash of the input
+function md5_hex(input)
+    print("Calculating MD5 for:", input) -- Debug print
+    local b = digest.new("md5"):final(input)
+    local x = ""
+    for i = 1, #b do
+        x = x .. string.format("%.2x", string.byte(b, i))
+    end
+    print("MD5 Hash:", x) -- Debug print
+    return x
+end
+
+-- Called when the filter opens
+function filter_open(email, page)
+    print("Filter Open. Email:", email) -- Debug print
+    buffer = ""
+    hexdigest = md5_hex(email:sub(2, -2):lower())
+    print("Hex Digest:", hexdigest) -- Debug print
+end
+
+-- Called when the filter closes
+function filter_close()
+    local baseurl = os.getenv("HTTPS") and "https://seccdn.libravatar.org/" or "http://cdn.libravatar.org/"
+    print("Base URL:", baseurl) -- Debug print
+    print("Hex Digest in filter_close:", hexdigest) -- Debug print
+    local avatar_url_small = baseurl .. "avatar/" .. hexdigest .. "?s=13&d=retro"
+    local avatar_url_large = baseurl .. "avatar/" .. hexdigest .. "?s=128&d=retro"
+    print("Avatar URL Small:", avatar_url_small) -- Debug print
+    print("Avatar URL Large:", avatar_url_large) -- Debug print
+
+    html("<span class='libravatar'><img class='inline' src='" .. avatar_url_small .. "' /><img class='onhover' src='" .. avatar_url_large .. "' /></span>" .. buffer)
+    return 0
+end
+
+-- Called when writing to the filter
+function filter_write(str)
+    print("Filter Write:", str) -- Debug print
+    buffer = buffer .. str
+end
diff --git a/filters/email-libravatar-hover.py b/filters/email-libravatar-hover.py
new file mode 100755
index 0000000..352122b
--- /dev/null
+++ b/filters/email-libravatar-hover.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+import sys
+import hashlib
+import codecs
+import os
+
+# Read and process the email address from command line arguments
+email = sys.argv[1].lower().strip()
+if email[0] == '<':
+    email = email[1:]
+if email[-1] == '>':
+    email = email[:-1]
+
+# Read the page argument (not used in this script but passed for compatibility)
+page = sys.argv[2]
+
+# Ensure correct encoding for stdin and stdout
+sys.stdin = codecs.getreader("utf-8")(sys.stdin.detach())
+sys.stdout = codecs.getwriter("utf-8")(sys.stdout.detach())
+
+# Calculate MD5 hash of the email
+md5 = hashlib.md5(email.encode()).hexdigest()
+
+# Read the standard input to get the buffer text
+buffer = sys.stdin.read().strip()
+
+# Determine the base URL based on HTTPS environment variable
+baseurl = "https://seccdn.libravatar.org/" if os.getenv("HTTPS") else "http://cdn.libravatar.org/"
+
+# Generate the HTML output with Libravatar images
+html_output = (
+    f"<span class='libravatar'>"
+    f"<img class='inline' src='{baseurl}avatar/{md5}?s=13&amp;d=retro' width='13' height='13' alt='Libravatar' />"
+    f"<img class='onhover' src='{baseurl}avatar/{md5}?s=128&amp;d=retro' width='128' height='128' alt='Libravatar' />"
+    f"</span> {buffer}"
+)
+
+# Print the HTML output
+print(html_output)
diff --git a/filters/email-libravatar.lua b/filters/email-libravatar.lua
index 7336baf..7336baf 100644..100755
--- a/filters/email-libravatar.lua
+++ b/filters/email-libravatar.lua
diff --git a/filters/html-converters/md2html b/filters/html-converters/md2html
index 3f5aed7..627808a 100755
--- a/filters/html-converters/md2html
+++ b/filters/html-converters/md2html
@@ -307,7 +307,7 @@ div#cgit .markdown-body h1 a.toclink, div#cgit .markdown-body h2 a.toclink, div#
 sys.stdout.write(HtmlFormatter(style=dark_style).get_style_defs('.highlight'))
 sys.stdout.write('''
 }
- at media (prefers-color-scheme: light) {
+@media (prefers-color-scheme: light) {
 ''')
 sys.stdout.write(HtmlFormatter(style=light_style).get_style_defs('.highlight'))
 sys.stdout.write('''
diff --git a/filters/owner-example.lua b/filters/owner-example.lua
index 50fc25a..cb9fa7f 100644
--- a/filters/owner-example.lua
+++ b/filters/owner-example.lua
@@ -8,7 +8,7 @@ function filter_open()
 end
 
 function filter_close()
-	html(string.format("<a href=\"%s\">%s</a>", "http://wiki.example.com/about/" .. buffer, buffer))
+	html(string.format("<a href=\"%s\">%s</a>", "http://wiki.surgot.tech/about/" .. buffer, buffer))
 	return 0
 end
 
diff --git a/filters/syntax-highlighting.py b/filters/syntax-highlighting.py
index 099e67b..f2c0fe1 100755
--- a/filters/syntax-highlighting.py
+++ b/filters/syntax-highlighting.py
@@ -54,9 +54,9 @@ except TypeError:
 # highlight! :-)
 # printout pygments' css definitions as well
 sys.stdout.write('<style>')
-sys.stdout.write('\n at media only all and (prefers-color-scheme: dark) {\n')
+sys.stdout.write('\n@media only all and (prefers-color-scheme: dark) {\n')
 sys.stdout.write(dark_formatter.get_style_defs('.highlight'))
-sys.stdout.write('\n}\n at media (prefers-color-scheme: light) {\n')
+sys.stdout.write('\n}\n@media (prefers-color-scheme: light) {\n')
 sys.stdout.write(light_formatter.get_style_defs('.highlight'))
 sys.stdout.write('\n}\n')
 sys.stdout.write('</style>')