include/plaintext.php

   1 <?php
   2 function get_attached_data($body) {
   3 /*
   4  - text:
   5  - type: link, video, photo
   6  - title:
   7  - url:
   8  - image:
   9  - description:
  10  - (thumbnail)
  11 */
  12         $post = array();
  13
  14         if (preg_match_all("(\[class=(.*?)\](.*?)\[\/class\])ism",$body, $attached,  PREG_SET_ORDER)) {
  15                 foreach ($attached AS $data) {
  16                         if (!in_array($data[1], array("type-link", "type-video", "type-photo")))
  17                                 continue;
  18
  19                         $post["type"] = substr($data[1], 5);
  20
  21                         $post["text"] = trim(str_replace($data[0], "", $body));
  22
  23                         $attacheddata = $data[2];
  24
  25                         if (preg_match("/\[img\](.*?)\[\/img\]/ism", $attacheddata, $matches))
  26                                 $post["image"] = $matches[1];
  27
  28                         if (preg_match("/\[bookmark\=(.*?)\](.*?)\[\/bookmark\]/ism", $attacheddata, $matches)) {
  29                                 $post["url"] = $matches[1];
  30                                 $post["title"] = $matches[2];
  31                         }
  32
  33                         // Search for description
  34                         if (preg_match("/\[quote\](.*?)\[\/quote\]/ism", $attacheddata, $matches))
  35                                 $post["description"] = $matches[1];
  36
  37                 }
  38         }
  39         return($post);
  40 }
  41
  42 function plaintext($a, $b, $limit = 0, $includedlinks = false) {
  43         require_once("include/bbcode.php");
  44         require_once("include/html2plain.php");
  45         require_once("mod/parse_url.php");
  46         require_once("include/network.php");
  47
  48         // Simplify image codes
  49         $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $b["body"]);
  50
  51         // At first look at data that is attached via "type-..." stuff
  52         // This will hopefully replaced with a dedicated bbcode later
  53         $post = get_attached_data($body);
  54
  55         // if nothing is found, it maybe having an image.
  56         if (!isset($post["type"])) {
  57                 if (preg_match_all("(\[url=(.*?)\]\s*\[img\](.*?)\[\/img\]\s*\[\/url\])ism", $body, $pictures,  PREG_SET_ORDER)) {
  58                         if (count($pictures) == 1) {
  59                                 // Checking, if the link goes to a picture
  60                                 $data = parseurl_getsiteinfo($pictures[0][1], true);
  61
  62                                 if ($data["type"] == "photo") {
  63                                         $post["type"] = "photo";
  64                                         if (isset($data["images"][0]))
  65                                                 $post["image"] = $data["images"][0]["src"];
  66                                         else
  67                                                 $post["image"] = $data["url"];
  68
  69                                         $post["preview"] = $pictures[0][2];
  70                                         $post["text"] = str_replace($pictures[0][0], "", $body);
  71                                 } else {
  72                                         $img_str = fetch_url($pictures[0][1]);
  73
  74                                         $tempfile = tempnam(get_config("system","temppath"), "cache");
  75                                         file_put_contents($tempfile, $img_str);
  76                                         $mime = image_type_to_mime_type(exif_imagetype($tempfile));
  77                                         unlink($tempfile);
  78                                         if (substr($mime, 0, 6) == "image/") {
  79                                                 $post["type"] = "photo";
  80                                                 $post["image"] = $pictures[0][1];
  81                                                 $post["preview"] = $pictures[0][2];
  82                                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  83                                         }
  84                                 }
  85                         } elseif (count($pictures) > 1) {
  86                                 $post["type"] = "link";
  87                                 $post["url"] = $b["plink"];
  88                                 $post["image"] = $pictures[0][2];
  89                                 $post["text"] = $body;
  90                         }
  91                 } elseif (preg_match_all("(\[img\](.*?)\[\/img\])ism", $body, $pictures,  PREG_SET_ORDER)) {
  92                         if (count($pictures) == 1) {
  93                                 $post["type"] = "photo";
  94                                 $post["image"] = $pictures[0][1];
  95                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  96                         } elseif (count($pictures) > 1) {
  97                                 $post["type"] = "link";
  98                                 $post["url"] = $b["plink"];
  99                                 $post["image"] = $pictures[0][1];
 100                                 $post["text"] = $body;
 101                         }
 102                 }
 103                 if (!isset($post["type"])) {
 104                         $post["type"] = "text";
 105                         $post["text"] = trim($body);
 106                 }
 107         }
 108
 109         if (($b["title"] != "") AND ($post["text"] != ""))
 110                 $post["text"] = trim($b["title"]."\n\n".$post["text"]);
 111         elseif ($b["title"] != "")
 112                 $post["text"] = trim($b["title"]);
 113
 114         $html = bbcode($post["text"], false, false, 2);
 115         $msg = html2plain($html, 0, true);
 116         $msg = trim(html_entity_decode($msg,ENT_QUOTES,'UTF-8'));
 117
 118         $link = "";
 119         if ($includedlinks) {
 120                 if ($post["type"] == "link")
 121                         $link = $post["url"];
 122                 elseif ($post["type"] == "video")
 123                         $link = $post["url"];
 124                 elseif ($post["type"] == "photo")
 125                         $link = $post["image"];
 126
 127                 if (($msg == "") AND isset($post["title"]))
 128                         $msg = trim($post["title"]);
 129
 130                 if (($msg == "") AND isset($post["description"]))
 131                         $msg = trim($post["description"]);
 132
 133                 // If the link is already contained in the post, then it neeedn't to be added again
 134                 // But: if the link is beyond the limit, then it has to be added.
 135                 if (($link != "") AND strstr($msg, $link)) {
 136                         $pos = strpos($msg, $link);
 137                         if (($limit == 0) OR ($pos < $limit))
 138                                 $link = "";
 139                 }
 140         }
 141
 142         if ($limit > 0) {
 143                 // Reduce multiple spaces
 144                 // When posted to a network with limited space, we try to gain space where possible
 145                 while (strpos($msg, "  ") !== false)
 146                         $msg = str_replace("  ", " ", $msg);
 147
 148                 // Twitter is using its own limiter, so we always assume that shortened links will have this length
 149                 if (strlen($link) > 0)
 150                         $limit = $limit - 23;
 151
 152                 if (strlen($msg) > $limit) {
 153
 154                         if (!isset($post["url"])) {
 155                                 $limit = $limit - 23;
 156                                 $post["url"] = $b["plink"];
 157                         }
 158
 159                         $lines = explode("\n", $msg);
 160                         $msg = "";
 161                         $recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 162                         foreach ($lines AS $row=>$line) {
 163                                 if (strlen(trim($msg."\n".$line)) <= $limit)
 164                                         $msg = trim($msg."\n".$line);
 165                                 // Is the new message empty by now or is it a reshared message?
 166                                 elseif (($msg == "") OR (($row == 1) AND (substr($msg, 0, 4) == $recycle)))
 167                                         $msg = substr(substr(trim($msg."\n".$line), 0, $limit), 0, -3)."...";
 168                         }
 169                 }
 170         }
 171
 172         $post["text"] = trim($msg);
 173
 174         return($post);
 175 }
 176 ?>