On 3 Mar 2019, at 12:22, Benny Kjær Nielsen wrote:
(But [libravatar.org] appears to be slower which emphasizes that
MailMate does not cache these images.)
It might be because <https://libravatar.org> [didn't provide
`Cache-Control`](https://git.linux-kernel.at/oliver/ivatar/issues/50) at
that point?
Is there a way for getting all the "Not Junk" mail adresses from
MailMate?
Anyway, here is one script for making a `RewriteMap` that your local
Apache can use for a caching reverse proxy.
(Only needs `pip install pylibravatar py3dns requests furl` if I recall
correctly)
```python
#!/usr/bin/env python3
import libravatar
import requests
from furl import furl
import os
import sys
import argparse
p = argparse.ArgumentParser()
p.add_argument(
"-i",
"--infile",
type=argparse.FileType("r"),
default=sys.stdin,
help="Input one email adress pr line",
)
p.add_argument(
"-o",
"--outfile",
type=argparse.FileType("w"),
default=sys.stdout,
help="Output result fitting for a Apache RewriteMap",
)
a = p.parse_args()
for em in a.infile.read().splitlines():
# Get libravatar_url, default to 404 with added query for
# not using gravatarproxy and redirect if no libravatar
# au = avatarurl
try:
au = furl(
libravatar.libravatar_url(
email=em, https=True, default="404"
)
).add(args={"gravatarproxy": "n", "gravatarredirect": "n"})
ah = libravatar.parse_user_identity(email=em, openid=None)[0]
except Exception:
pass
# Follow redirects
aur = requests.head(au.url, allow_redirects=True)
# If no libravatar, check if a gravatar exist
if aur.status_code == 404:
au = furl("https://www.gravatar.com/avatar/";).add(
path=ah, args={"d": "404"}
)
aur = requests.head(au, allow_redirects=True)
# If http = 200, (not e.g. 404) output result
if aur.status_code == 200:
# Remove query
au = furl(aur.url).remove(query=True).url
# Output result fitting for
#
<https://httpd.apache.org/docs/current/rewrite/rewritemap.html#txt>
# -> mailmd5hash avatarurl # mail
a.outfile.write(" ".join([ah, au]) + " # " + em + os.linesep)
```
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