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blog.txt
7
blog.txt
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2020-10-01T08:05:33Z (#MWZkYw) Welcome to picoblog. For updates and such, visit [https://0xff.nu/picoblog](https://0xff.nu/picoblog).
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# nick = lucas
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# url = https://picoblog.lu700.repl.co/blog.txt
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# avatar = https://avatars.githubusercontent.com/u/83518257
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# description = aaaa
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2021-08-27T20:08:55Z (#tad8XR4) geektweet
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2021-08-27T20:09:10Z (#DcV8475) lol @<thing https://feed-url>
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<?php
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/**
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* Slimdown - A very basic regex-based Markdown parser.
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* Author: Johnny Broadway <johnny@johnnybroadway.com>
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* Website: https://gist.github.com/jbroadway/2836900
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* License: MIT
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*/
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class Slimdown {
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public static $rules = array (
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'/(?<!!)\[([^\[]+)\]\(([^\)]+)\)/' => '<a href=\'\2\'>\1</a>', // links
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'/(\*\*|__)(.*?)\1/' => '<strong>\2</strong>', // bold
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'/(\*|_)(.*?)\1/' => '<em>\2</em>', // emphasis
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'/\~\~(.*?)\~\~/' => '<del>\1</del>', // del
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'/\:\"(.*?)\"\:/' => '<q>\1</q>', // quote
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'/`(.*?)`/' => '<code>\1</code>', // inline code
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'/(?:!\[([^\[]+)\]\(([^\)]+)\))/' => '<img src=\'\2\' alt=\'\1\' loading=\'lazy\'>',
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'/==(.*?)==/' => '<mark>\1</mark>',
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);
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/**
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* Add a rule.
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*/
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public static function add_rule ($regex, $replacement) {
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self::$rules[$regex] = $replacement;
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}
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/**
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* Render some Markdown into HTML.
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*/
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public static function render ($text) {
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$text = "\n" . $text . "\n";
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foreach (self::$rules as $regex => $replacement) {
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if (is_callable ( $replacement)) {
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$text = preg_replace_callback ($regex, $replacement, $text);
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} else {
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$text = preg_replace ($regex, $replacement, $text);
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}
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}
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return trim ($text);
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}
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}
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<?php
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/**
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* picoblog
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*
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* made by hxii (https://0xff.nu/picoblog)
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*
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* Picoblog is a very simple front-end for a twtxt (https://github.com/prologic/twtxt) format microblog with support for:
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* - Limited Markdown (strong, em, marked, deleted, links, images, inline code).
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* - Tags (#tags are automatically converted to links).
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* - Unique IDs (I use them, but they are optional).
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*/
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namespace hxii;
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class PicoBlog
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{
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private $sourcefile, $format;
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public $rawentries, $blog;
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/**
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* Constructor.
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*
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* @param string $sourcefile Source file in twtxt format (or PicoBlog format).
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*/
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//twtxt
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public function __construct(string $sourcefile, string $format = 'picoblog')
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{
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$this->sourcefile = $sourcefile;
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$this->format = $format;
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$this->readSource();
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}
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/**
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* Check for and parse query string from $_SERVER['QUERY_STRING']).
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* Used to get entries by ID or tag.
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*
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* @return array|boolean
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*/
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public function parseQuery()
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{
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if (isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) {
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parse_str($_SERVER['QUERY_STRING'], $return);
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return $return;
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} else {
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return false;
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}
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}
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/**
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* Read source file/URL
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*
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* @return boolean true if successful, false if not
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*/
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private function readSource()
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{
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if (is_file($this->sourcefile) && is_readable($this->sourcefile)) {
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$this->rawentries = explode(PHP_EOL, file_get_contents($this->sourcefile));
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if (!empty($this->rawentries)) {
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return true;
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}
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} elseif ($url = filter_var($this->sourcefile, FILTER_VALIDATE_URL)) {
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$this->rawentries = preg_split('/\x0A/', file_get_contents($url));
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if (!empty($this->rawentries)) {
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return true;
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}
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}
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throw new \Exception("{$this->sourcefile} is empty! Aborting.");
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return false;
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}
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/**
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* Parse entries from source file and replace tags with links
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*
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* @param array $entries array of raw entries
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* @return void
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*/
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private function parseEntries(array $entries, bool $parseTags = true)
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{
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switch ($this->format) {
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case 'twtxt':
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$pattern = '/^(?<date>[^\t]+)\t(?<entry>.+)/';
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break;
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case 'picoblog':
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$pattern = '/^(?<date>[^\t]+)\t\(#(?<id>[a-zA-Z0-9]{1,7})\)\t(?<entry>.+)/';
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break;
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}
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foreach ($entries as $i => $entry) {
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preg_match($pattern, $entry, $matches);
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if (!$matches) continue;
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$id = (!empty($matches['id'])) ? $matches['id'] : $i;
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$matches['entry'] = $this->parseUsers($matches['entry']);
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$matches['entry'] = $this->parseHashlinks($matches['entry']);
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$parsedEntries[$id] = [
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'date' => $matches['date'],
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'entry' => ($parseTags) ? preg_replace('/#(\w+)?/', '<a href="?tag=$1" class="tag">#${1}</a>', $matches['entry']) : $matches['entry'],
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];
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}
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return $parsedEntries;
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}
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/**
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* Parse user's nick
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*
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* @param string $entry
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* @return string string with parsed users
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*/
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/*private function parseNick(array $entries)
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{
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$pattern = '/^(?<date>[^\t]+)\t(?<nick>.+)/';
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preg_match('# nick\t=\t]+)\t(?<nick>.+)/', $nick, $matchn);
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//if (!$matches) continue;
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//$id = (!empty($matches['id'])) ? $matches['id'] : $i;
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//$matches['entry'] = $this->parseUsers($matches['entry']);
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//$matches['entry'] = $this->parseHashlinks($matches['entry']);
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$parsedNick = [
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'nick' => $matchn['nick']
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];
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return $parsedNick;
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}
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private function parseNick(string $entry) {
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$pattern = "# nick = (.+)";
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$aaa=preg_match_all($pattern, $this->rawentries, $matches);
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print_r($aaa);
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return print_r($aaa);
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}*/
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/**
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* Parse any mentioned users in twtxt format: @<username https://feed-url>
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*
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* @param string $entry
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* @return string string with parsed users
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*/
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private function parseUsers(string $entry) {
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$pattern = '/\@<([a-zA-Z0-9\.]+)\W+(https?:\/\/[^>]+)>/';
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return preg_replace($pattern,'<a href="$2">@$1</a>',$entry);
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}
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/**
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* Parse any hashtags in twtxt.net hashlink format: #<tag https://feed-url>
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*
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* @param string $entry
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* @return string string with parsed hashtags
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*/
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private function parseHashlinks(string $entry) {
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$pattern = '/#<(\w+)\W+(https?:\/\/[^>]+)>/';
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return preg_replace($pattern, '<a href="$2">#$1</a>', $entry);
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}
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/**
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* Returns a filtered list of raw entries
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*
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* @param string|array $search entry filter. can be 'all', 'newest', 'oldest', 'random' or an ID/Tag.
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* @param bool $reverse return array in reverse order
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* For ID, we're looking for ['id'=>'IDHERE']. For tag, we're looking for ['tag'=>'tagname']
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* @return boolean|array
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*/
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public function getEntries($search, bool $reverse = true)
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{
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switch ($search) {
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case '':
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return false;
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case 'all':
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return ($reverse) ? array_reverse($this->rawentries) : $this->rawentries;
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case 'newest':
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return [reset($this->rawentries)];
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case 'oldest':
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return [end($this->rawentries)];
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case 'random':
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return [$this->rawentries[array_rand($this->rawentries, 1)]];
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default:
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if (isset($search['id'])) {
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$filter = array_filter($this->rawentries, function ($entry) use ($search) {
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preg_match("/\b$search[id]\b/i", $entry, $match);
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return $match;
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});
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return $filter;
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} elseif (isset($search['tag'])) {
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$filter = array_filter($this->rawentries, function ($entry) use ($search) {
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preg_match("/#\b$search[tag]\b/i", $entry, $match);
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return $match;
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});
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return $filter;
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}
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return false;
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}
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}
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/**
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* Render Markdown in given entries and output as HTML
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*
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* @param array $entries array of parsed entries to render
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* @param string $entryWrap tne entry wrapper, e.g. <li>{entry}</li>
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* @param bool $parseTags should #tags be parsed to links?
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* @return string entries in HTML
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*/
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public function renderEntries(array $entries, $show, string $entryWrap = '<li>{entry}</li>', bool $parseTags = false)
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{
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if (!$entries) return false;
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$entries = $this->parseEntries($entries, $parseTags);
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//$nick = $this->parseNick($nick);
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require_once('includes/Slimdown.php');
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$html = '';
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foreach ($entries as $id => $entry) {
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include "settings.php";
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$text = \Slimdown::render($entry['entry']);
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$date = $entry['date'];
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$date_p = date("d-m-Y", strtotime($entry['date']));
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if($show!=true){
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$text = "<a href='?id={$id}'><div class='e'><span class='text'>" . $text . "</span><span class='date' title='{$date}'>{$date_p}</span></div></a>";
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} else {
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$text = "<div class='e show'><a href='{$url}'><h3><img class='pp' src='{$avatar}'> {$nick}</h3></a><h1 class='text'>" . $text . "</h1><p><span>#{$id}</span><span class='date' title='{$date}'>{$date_p}</span></p></div>";
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}
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$html .= str_replace('{entry}', $text, $entryWrap);
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}
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return $html;
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}
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}
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<?php
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// Inlcude the files
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include_once 'settings.php';
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include_once 'includes/picoblog.php';
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// Instantiate the class with the source file
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$mb = new \hxii\PicoBlog($url);
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// Parse query string and get blog entries
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$query = $mb->parseQuery();
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$entries = ($query) ? $mb->getEntries($query) : $mb->getEntries('all');
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?>
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<!DOCTYPE html>
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<html lang="es">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title><?php echo $nick ?>@<?= $_SERVER['HTTP_HOST'] ?></title>
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<link rel="icon" href="<?php echo $avatar ?>">
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<link rel="stylesheet" type="text/css" href="styles.css">
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</head>
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<body>
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<h1>picoblog</h1>
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<?php
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// Display message and link to main list if viewing a filtered entry list
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if ($query!=false) {
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echo '<div>Currently viewing ' . implode('', $query) . '. Back to <a href="' . $_SERVER['PHP_SELF'] . '">list?</a></div>';
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echo($mb->renderEntries($entries, true, '{entry}'));
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} else {
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echo($mb->renderEntries($entries, false, '{entry}'));
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} ?>
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</body>
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</html>
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@ -0,0 +1,5 @@
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<?php // Settings (most of them will be eliminated soon)
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$url="https://picoblog.lu700.repl.co/blog.txt";
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$nick = "lucas";
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$avatar = "https://avatars.githubusercontent.com/u/83518257";
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$description = "aaaa"; ?>
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@ -0,0 +1,23 @@
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@import url("https://lucas.koyu.space/styles.css");
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.e{
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margin:1px 10px;
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padding:10px;
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background:repeat-y center fixed url("bkg.png");
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background-size:cover;
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color:white;
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}
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.e a{
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color:white;
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}
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/*.text{
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float:left;
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}*/
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.date{
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float:right;
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}
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.pp{
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background:url("https://avatars.githubusercontent.com/u/83518257");
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border-radius:100%;
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width:20px;
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height:20px;
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}
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