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From: Plain Text <text@sdfeu.org>
Subject: Geminisphere via backlinks
Date: Sat, 26 Feb 2022 20:23:45 -0000 (UTC)
Message-ID: <sve28h$dgg$1@dont-email.me>
Got a proof-of-concept working of a pingback script that accepts
URLs (backlinks) of reply posts and checks the remote content for
a => link to one's capsule before appending the URL to the list of
received replies.
Maybe others want to expand on that for their own pleasure.
Cheers
On 2020-11-13, in the mailing list:
If clients would send referers, servers could collect (cache) and
present those to clients asking for links _to_ the current page
("backlinks" in wiki parlance), thus creating an interconnected gemini
sphere.
Although not simple, I would enjoy bi-directional linking in Gemini.
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https://lists.sr.ht/~adnano/gemini/
%3C157076343ad69ee6833f16684b5a0c2f%40sdfeu.org%3E
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###!/bin/bash ### URL of own capsule (grep string for mention) capsule="gemini://gemini.capsule/~username/" ### Local file to append received reply URLs (chmod?) replies="/home/username/public_gemini/replies.gmi" function urldecode() { : "${*//+/ }"; echo -e "${_//%/\\x}"; } if [[ -n $QUERY_STRING ]]; then printf "20 text/gemini\r\n" echo "# Thank you" urlraw="$QUERY_STRING" url=$(urldecode "$urlraw") echo "Received the following reply URL:" echo '```' echo "$url" echo '```' domainpart=$(echo "$url"|awk -F/ '{print $3}') echo "Trying to retrieve your reply content to check for the mention ..." echo "Links back to my capsule found mentionend in your reply content:" echo "$url" | openssl s_client -crlf -quiet -ign_eof -connect "$domainpart:1965" \ | grep "^=> $capsule" if [[ $? -eq 0 ]]; then echo echo "Adding your URL to my list of received replies, thanks!" echo "=> $url $(date "+%F %T")" >> "$replies" else echo "Could not find a link back to my capsule (or had other issues)." fi else printf "10 Please Enter Gemini URL of Your Reply\r\n" fi ## Related Children: => j814l7Fhsa6U1@mid.individual.net.gmi Re: Geminisphere via backlinks (by Andy Burns <usenet@andyburns.uk> on Sun, 27 Feb 2022 11:12:38 +0000) => 87v8x0lc8x.fsf@kalayaan.xyz.gmi Re: Geminisphere via backlinks (by rtr <rtr@balaraw.invalid> on Sun, 27 Feb 2022 20:34:06 +0800) => t2mtup$1fdr$1@gioia.aioe.org.gmi Re: Geminisphere via backlinks (by Vasco Costa <vasco.costa@invalid.invalid> on Thu, 7 Apr 2022 14:54:17 -0000 (UTC))