article.inc.php

   1 <?php
   2 global $monthname;
   3 $monthname = ['?',
   4         'januari', 'februari', 'maart', 'april', 'mei', 'juni',
   5         'juli', 'augustus', 'september', 'oktober', 'november', 'december',
   6 ];
   7
   8 function showdate($parts)
   9 {
  10         global $monthname;
  11         return implode(' ', array_filter([
  12                 intval(@$parts[2]), $parts[1] > 0 ? $monthname[intval($parts[1])] : '', $parts[0],
  13                 count($parts) > 5 ? "$parts[3]:$parts[4]" : '',
  14         ]));
  15 }
  16
  17 class ArchiveArticle
  18 {
  19         public $raw, $title, $body; # file contents
  20         public $meta = [];
  21
  22         function __construct($path)
  23         {
  24                 $this->page = preg_replace('{^\.(?:/|$)}', '', $path);
  25                 $this->link = preg_replace('{(?:(?:/|^)index)?\.html$}', '', $this->page);
  26                 $this->raw($this->page);
  27         }
  28
  29         function raw($page)
  30         {
  31                 if (!file_exists($page)) {
  32                         return;
  33                 }
  34                 $this->raw = file_get_contents($page);
  35
  36                 if (preg_match_all('{
  37                         \G <meta \s+ property="( [^"]+ )" \s+ content="( [^"]* )" > \s*
  38                 }x', $this->raw, $meta)) {
  39                         $matchlen = array_sum(array_map('strlen', $meta[0]));
  40                         $this->raw = substr($this->raw, $matchlen); # delete matched contents
  41                         $this->meta = array_combine($meta[1], $meta[2]); # [property => content]
  42                 }
  43
  44                 // find significant contents
  45                 $this->body = preg_replace('{<aside\b.*?</aside>}s', '', $this->raw);
  46                 if (preg_match('{<h2>(.*?)</h2>\s*(.*)}s', $this->body, $titlematch)) {
  47                         list (, $this->title, $this->body) = $titlematch;
  48                 }
  49         }
  50
  51         function __get($col)
  52         {
  53                 return $this->$col = $this->$col();  # run method and cache
  54         }
  55
  56         function handler()
  57         {
  58                 $path = $this->link;
  59                 $this->path = '';
  60                 $this->restricted = FALSE;
  61                 while (TRUE) {
  62                         if (file_exists("$path/.private")) {
  63                                 $this->restricted = $path;
  64                         }
  65
  66                         if (file_exists("$path/index.php")) {
  67                                 return $path;
  68                         }
  69
  70                         $up = strrpos($path, '/');
  71                         $this->path = substr($path, $up) . $this->path;
  72                         $path = substr($path, 0, $up);
  73                         if ($up === FALSE) {
  74                                 break;
  75                         }
  76                 }
  77                 return;
  78         }
  79
  80         function safetitle()
  81         {
  82                 return trim($this->meta['og:title'] ?? strip_tags($this->title));
  83         }
  84         function name()
  85         {
  86                 return $this->safetitle ?: $this->link;
  87         }
  88
  89         function last()
  90         {
  91                 return filemtime($this->page);
  92         }
  93         function lastiso()
  94         {
  95                 return date(DATE_ATOM, $this->last);
  96         }
  97
  98         function dateparts()
  99         {
 100                 preg_match('< / (\d{4}) [/-] (\d{2}) (?:- (\d{2}) )? - >x', $this->page, $ymd);
 101                 array_shift($ymd);
 102                 return $ymd;
 103         }
 104         function dateiso()
 105         {
 106                 return implode('-', $this->dateparts()) . 'T12:00:00+02:00';
 107         }
 108         function date()
 109         {
 110                 return showdate($this->dateparts);
 111         }
 112
 113         function story()
 114         {
 115                 if ( preg_match('{
 116                         (?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
 117                 }x', $this->body, $img, PREG_OFFSET_CAPTURE) ) {
 118                         # strip part after matching divider (image)
 119                         if (isset($img[1])) {
 120                                 $this->img = $img[1][0];
 121                         }
 122                         return substr($this->body, 0, $img[0][1]);
 123                 }
 124                 return $this->body;
 125         }
 126
 127         function teaser()
 128         {
 129                 if ($override = @$this->meta['og:description']) {
 130                         # prefer specific page description if found in metadata
 131                         return $override;
 132                 }
 133
 134                 # paragraph contents following the page header if any
 135                 if (preg_match('{
 136                         \G (?> \s+ | <div [^>]*> | \[\[[^]]*\]\] )* <p> \s* (.*?) </p>
 137                 }sx', $this->body, $bodyp, 0)) {
 138                         return $bodyp[1];
 139                 }
 140         }
 141
 142         function img()
 143         {
 144                 $this->img = NULL;
 145                 $this->story;
 146                 return $this->img;
 147         }
 148         function image()
 149         {
 150                 if ($override = @$this->meta['og:image']) {
 151                         # prefer specific page image if found in metadata
 152                         return $override;
 153                 }
 154
 155                 if ( preg_match('/\bsrc="([^"]*)"/', $this->img, $src) ) {
 156                         return $src[1];
 157                 }
 158         }
 159         function thumb($size = '300x')
 160         {
 161                 if (!$this->image or $this->image[0] !== '/') return;
 162                 return preg_replace(
 163                         ['{^(?:/thumb/[^/]*)?}', '/\.groot(?=\.\w+$)/'], ["thumb/$size", ''],
 164                         $this->image
 165                 );
 166         }
 167 }
 168
 169 class PageSearch
 170 {
 171         function __construct($path = '.')
 172         {
 173                 $this->iterator = new RecursiveCallbackFilterIterator(
 174                         new RecursiveDirectoryIterator($path),
 175                         function ($current) {
 176                                 if ($current->getFilename()[0] === '.') {
 177                                         # skip hidden files and directories
 178                                         return FALSE;
 179                                 }
 180                                 if ($current->isLink()) {
 181                                         # ignore symlinks, original contents only
 182                                         return FALSE;
 183                                 }
 184                                 if ($current->isDir()) {
 185                                         # traverse subdirectories unless untracked in any amount
 186                                         return !file_exists("$current/.gitignore");
 187                                 }
 188                                 # match **/*.html
 189                                 return preg_match('/(?<!\.inc)\.html$/', $current->getFilename());
 190                         }
 191                 );
 192         }
 193
 194         function files()
 195         {
 196                 # order alphabetically by link
 197                 $dir = iterator_to_array(new RecursiveIteratorIterator($this->iterator));
 198                 array_walk($dir, function (&$row, $name) {
 199                         # prepare values for sorting (directory index first)
 200                         $row = preg_replace('{/index\.html$}', '', $name);
 201                 });
 202                 asort($dir);
 203                 return $dir;
 204         }
 205 }