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@@ -1,249 +0,0 @@
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-<?php
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-
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-/* load config. You normally don't want to edit something here */
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-require_once 'config.php';
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-$instance = $config['mastodon-instance'];
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-$uid = $config['user-id'];
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-$searchurl = $config['search-url'];
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-$search = isset($_GET['search']) ? strtolower($_GET['search']) : '';
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-$debug_on = $config['debug'];
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-/* cache files */
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11
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-$ctt = $config['cache_toots'];
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-$dbt = "cache-toots.json";
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-$ctc = $config['cache_comments'];
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-$dbc = "cache-comments_%id.json";
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-
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-/* Exit if search empty */
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-if (empty($search)) {
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- debug("No proper search given");
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- die();
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-}
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-
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-/* MISC FUNCTIONS */
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-function debug($data) {
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- global $debug_on;
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- if ($debug_on === true) {
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- error_log("[getcomments.php] " . print_r($data, TRUE));
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- }
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-}
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-
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-/* CACHE FUNCTIONS */
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-/* write data to file */
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-function write_db($db, $data, $id) {
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33
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- // if $id is given, it's a comments file. Replace placeholder in filename
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- if ($id) {
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- $db = str_replace('%id', $id, $db);
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- }
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- $file['toots'] = $data;
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- $file['timestamp'] = time();
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- // encode and write file
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- $encoded = json_encode($file, JSON_PRETTY_PRINT);
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- file_put_contents($db, $encoded, LOCK_EX);
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-}
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-/* delete file */
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-function delete_db($db, $id) {
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- // if $id is given, it's a comments file. Replace placeholder in filename
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- if ($id) {
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- $db = str_replace('%id', $id, $db);
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- }
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- unlink($db);
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-}
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-/* access data from file */
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-function read_db($db, &$data, $cachetime, &$cachebreak, $id) {
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- // if $id is given, it's a comments file. Replace placeholder in filename
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- if ($id) {
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- $db = str_replace('%id', $id, $db);
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- }
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- // if DB does not exist, create it with empty array
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- if (! file_exists($db)) {
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- // if $data empty (usually with $toots, not with comment's $result), populate with empty array
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- if (empty($data)) {
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- $data = array();
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- }
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- touch($db);
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- write_db($db, $data, $id);
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- $cachebreak = true;
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- }
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- $file = file_get_contents($db, true);
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- $data = json_decode($file, true);
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-
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- // check if timestamp in cache file too old
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- if (empty($data['timestamp']) || ($data['timestamp'] + $cachetime < time())) {
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- $cachebreak = true;
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- }
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-
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- $data = $data['toots'];
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-}
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-
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-/* TOOT FUNCTIONS */
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-function collectToots($instance, $uid, $min_id, $searchurl) {
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- $raw = file_get_contents("$instance/api/v1/accounts/$uid/statuses?exclude_reblogs=true&exclude_replies=true&limit=50&min_id=$min_id");
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- $json_complete = json_decode($raw, true);
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- $json = array();
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- foreach ($json_complete as $toot) {
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- $json[] = array('id' => $toot['id'], 'date' => $toot['created_at'] ,'url' => analyzeToot($instance, $toot['id'], $searchurl));
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- }
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- return($json);
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-}
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-/* Find out if a toot contains the searched URL */
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-function analyzeToot($instance, $id, $searchurl) {
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- debug("Searching for $searchurl in $id");
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- $raw = file_get_contents("$instance/api/v1/statuses/$id");
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- $json = json_decode($raw, true);
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-
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- // search for $searchurl inside of <a> tags, until (and excluding) a "
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- preg_match("|$searchurl.+?(?=\")|i", $json['content'], $matches);
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-
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- if(!empty($matches)) {
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- return(strtolower($matches[0])); // take first match inside toot
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- } else {
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- return("");
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- }
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-}
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-/* of context, extract the interesting bits */
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-function filterComments($descendants, $root, &$result) {
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- // go through each comment
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- foreach ($descendants as $d) {
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- $result['comments'][$d['id']] = [
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- 'author' => [
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- 'display_name' => $d['account']['display_name'] ? $d['account']['display_name'] : $d['account']['username'],
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- 'avatar' => $d['account']['avatar_static'],
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- 'url' => $d['account']['url']
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- ],
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- 'toot' => $d['content'],
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- 'date' => $d['created_at'],
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- 'url' => $d['uri'],
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- 'reply_to' => $d['in_reply_to_id'],
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- 'root' => $root,
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- ];
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- }
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- return $result;
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-}
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-/* get /context of toot */
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-function tootContext($instance, $id, &$result) {
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- $raw = file_get_contents("$instance/api/v1/statuses/$id/context");
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- $json = json_decode($raw, true);
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- filterComments($json['descendants'], $id, $result);
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-}
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-/* extract stats info from toot */
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-function filterStats($stats) {
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- $result = [
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- 'reblogs' => (int)$stats['reblogs_count'],
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- 'favs' => (int)$stats['favourites_count'],
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- 'replies' => (int)$stats['replies_count'],
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- 'url' => $stats['url']
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- ];
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- return $result;
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-}
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-/* for toot, extract interesting statistics */
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-function tootStats($instance, $id, &$result) {
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- debug("Checking ID $id");
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- $raw = file_get_contents("$instance/api/v1/statuses/$id");
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- $json = json_decode($raw, true);
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- $newStats = filterStats($json);
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- $result['stats']['reblogs'] += $newStats['reblogs'];
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- $result['stats']['favs'] += $newStats['favs'];
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- $result['stats']['replies'] += $newStats['replies'];
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- if (empty($result['stats']['url'])) {
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- $result['stats']['url'] = $newStats['url'];
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- }
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-}
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-
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-/***************
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- * START PROGRAM
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- ***************/
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-
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-/* check whether the cached file containing all toots is older than max. cache time */
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-// this at the same time loads the cached DB, either way
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-$cachebreak = false;
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-read_db($dbt, $toots, $ctt, $cachebreak, false);
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-
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-if ($cachebreak) {
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- /* Collect all the toots */
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- /* get id of latest cached toot, and set as $min_id */
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- debug("Toots cache outdated. Checking for new toots");
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- if (!empty($toots['0']['id'])) {
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- $min_id_cached = $toots['0']['id'];
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- $min_id = $min_id_cached;
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- } else {
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- /* if cached toots do not exist, start from oldest toot */
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- $min_id = "0";
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- $min_id_cached = "0";
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- }
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-
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- /* test whether there are new toots available */
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- // Search for toots older than the cached latest toot ID ($min_id)
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- $uptodate = false;
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- while ($uptodate === false) {
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- $toots = array_merge(collectToots($instance, $uid, $min_id, $searchurl), $toots);
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- $min_id_new = $toots['0']['id']; // the latest ID of the recent search
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-
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- if ($min_id_new === $min_id) {
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- // min_id is the latest, let's write the new DB and end this loop
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- $uptodate = true;
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- debug("Toots up-to-date. Rewrite cache DB.");
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- write_db($dbt, $toots, false);
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- } else {
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- // next round looks for toots newer than the newly found ID
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- debug("Newer toots than in cache found. Starting another search for new toots");
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- $min_id = $min_id_new;
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- }
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- }
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-} else {
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- debug("Toots cache is up-to-date");
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-}
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-
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-// create empty $result
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-$result_empty = ['comments' => [], 'stats' => ['reblogs' => 0, 'favs' => 0, 'replies' => 0, 'url' => '', 'root' => 0]];
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-$result = $result_empty;
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-
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-/* check if URL from $search exists in $toots */
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-$id = array_keys(
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- array_filter(
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- array_column($toots, 'url'),
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- function ($value) use ($search) {
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- return (strpos($value, $search) !== false);
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- }
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- )
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-);
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-if (empty($id)) {
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- debug("Blog URL \"$search\" has not been found");
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-} else {
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- // if multiple toots with the searched URL exist, take the oldest one (largest array index)
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- $id = $toots[end($id)]['id'];
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-
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- /* read cached comments, or reload new comments if cached data too old */
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- $cachebreak = false;
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- read_db($dbc, $result, $ctc, $cachebreak, $id);
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-
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- if ($cachebreak) {
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- debug("Comments cache for $id outdated. Checking for new comments");
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- // delete old cache file, otherwise the stats would add up
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- delete_db($dbc, $id);
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- // re-create empty $result and new cache file
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- $result = $result_empty;
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- read_db($dbc, $result, $ctc, $cachebreak, $id);
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- /* Extract comments and stats from toot */
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- tootContext($instance, $id, $result);
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- tootStats($instance, $id, $result);
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- // FIXME: At the moment the API doesn't return the correct replies count so I count it manually
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- $result['stats']['replies'] = count($result['comments']);
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- $result['stats']['root'] = $id;
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-
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- write_db($dbc, $result, $id);
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- } else {
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- debug("Comments cache for $id up-to-date. Returning cached comments");
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- }
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-}
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-
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-// headers for not caching the results
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-header('Cache-Control: no-cache, must-revalidate');
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-header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
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-
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-// headers to tell that result is JSON
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-header('Content-type: application/json');
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-
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-// actually output result as JSON, to be digested by getcomments.js
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-echo json_encode($result);
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-
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-?>
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max.mehl
11 months ago