fsfe-website/cgi-bin/share.php

103 lines
3.8 KiB
PHP

<?php
/*
* share-buttons: Share buttons for many social networks and services
* Copyright (C) 2018 Max Mehl <max.mehl@fsfe.org>, Paul Hänsch <paul@fsfe.org>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details <http://www.gnu.org/licenses/>.
*/
// Change these variables
$gnusocialuser = "@fsfe@quitter.no";
$mastodonuser = "@fsfe@mastodon.social";
$twitteruser = "fsfe";
$flattruser = "fsfe";
$supporturl = "https://fsfe.org/donate?share";
// Don't change below here
$service = isset($_GET['service']) ? $_GET['service'] : false;
$url = isset($_GET['url']) ? $_GET['url'] : false;
$title = isset($_GET['title']) ? $_GET['title'] : false;
$ref = isset($_GET['ref']) ? $_GET['ref'] : false;
$diasporapod = isset($_GET['diasporapod']) ? $_GET['diasporapod'] : false;
$gnusocialpod = isset($_GET['gnusocialpod']) ? $_GET['gnusocialpod'] : false;
$mastodonpod = isset($_GET['mastodonpod']) ? $_GET['mastodonpod'] : false;
if(empty($service) || empty($url)) {
echo 'At least one required variable is empty. You have to define at least service and url';
} else {
$service = htmlspecialchars($service);
$diasporapod = htmlspecialchars($diasporapod);
$gnusocialpod = htmlspecialchars($gnusocialpod);
$mastodonpod = htmlspecialchars($mastodonpod);
$url = urlencode($url);
$title = urlencode($title);
/* Special referrers for FSFE campaigns */
if($ref == "pmpc-side" || $ref == "pmpc-spread") {
$via_gs = "";
$via_ma = "";
$via_tw = "";
$supporturl = "https://fsfe.org/donate?pmpc";
} else {
$via_gs = " via " . $gnusocialuser;
$via_ma = " via " . $mastodonuser;
$via_tw = "&via=" . $twitteruser;
}
if ($service === "diaspora") {
$diasporapod = validateurl($diasporapod);
header("Location: " . $diasporapod . "/bookmarklet?url=" . $url . "&title=" . $title);
die();
} elseif($service === "gnusocial") {
$gnusocialpod = validateurl($gnusocialpod);
header("Location: " . $gnusocialpod . "/notice/new?status_textarea=" . $title . " " . $url . $via_gs);
die();
} elseif($service === "mastodon") {
$mastodonpod = validateurl($mastodonpod);
header("Location: " . $mastodonpod . "/share?text=" . $title . " " . $url . $via_ma);
die();
} elseif($service === "reddit") {
header("Location: https://reddit.com/submit?url=" . $url . "&title=" . $title);
die();
} elseif($service === "flattr") {
header("Location: https://flattr.com/submit/auto?user_id=" . $flattruser . "&url=" . $url . "&title=" . $title);
die();
} elseif($service === "hnews") {
header("Location: https://news.ycombinator.com/submitlink?u=" . $url . "&t=" . $title);
die();
} elseif($service === "twitter") {
header("Location: https://twitter.com/share?url=" . $url . "&text=" . $title . $via_tw);
die();
} elseif($service === "facebook") {
header("Location: https://www.facebook.com/sharer/sharer.php?u=" . $url);
die();
} elseif($service === "gplus") {
header("Location: https://plus.google.com/share?url=" . $url);
die();
} elseif($service === "support") {
header("Location: " . $supporturl);
die();
} else {
echo 'Social network unknown.';
}
}
// If diaspora/GS/Mastodon pod has been typed without http(s):// prefix, add it
function validateurl($url) {
if (preg_match('#^https?://#i', $url) === 0) {
return 'https://' . $url;
} else {
return $url;
}
}
?>