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60 lines
1.7 KiB
60 lines
1.7 KiB
<?php
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use BarnabyWalters\Mf2;
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class PushTask {
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public static function verify_subscription($subscription_id) {
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$subscription = db\get_by_id('subscriptions', $subscription_id);
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if($subscription) {
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$feed = db\get_by_id('feeds', $subscription->feed_id);
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$url = parse_url($subscription->callback_url);
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// Choose the expiration for the subscription
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$lease_seconds = 86400*3;
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$exp_ts = time() + $lease_seconds;
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$exp_date = date('Y-m-d H:i:s', $exp_ts);
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$push_params = [
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'hub.mode' => 'subscribe',
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'hub.topic' => $feed->feed_url,
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'hub.challenge' => $subscription->challenge,
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'hub.lease_seconds' => $lease_seconds
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];
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if($q=k($url, 'query')) {
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parse_str($q, $existing_params);
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$push_params = array_merge($push_params, $existing_params);
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}
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$url['query'] = http_build_query($push_params);
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$url = build_url($url);
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$response = request\get_url($url, true);
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$subscription->challenge_response = $response['headers']."\n\n".$response['body'];
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if(request\response_is($response['status'], 2) && $response['body'] == $subscription->challenge) {
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// The subscriber replied with a 2xx status code and confirmed the challenge string.
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// The subscription is confirmed and active.
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$subscription->date_confirmed = db\now();
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$subscription->lease_seconds = $lease_seconds;
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$subscription->date_expires = $exp_date;
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db\set_updated($subscription);
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$subscription->active = 1;
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} else {
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// The subscriber did not confirm the subscription, so reject it
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}
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$subscription->save();
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print_r($response);
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}
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}
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}
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