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
  13         // Simplify image codes
  14         $body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
  15
  16         $post = array();
  17
  18         if (preg_match_all("(\[class=(.*?)\](.*?)\[\/class\])ism",$body, $attached,  PREG_SET_ORDER)) {
  19                 foreach ($attached AS $data) {
  20                         if (!in_array($data[1], array("type-link", "type-video", "type-photo")))
  21                                 continue;
  22
  23                         $post["type"] = substr($data[1], 5);
  24
  25                         $post["text"] = trim(str_replace($data[0], "", $body));
  26
  27                         $attacheddata = $data[2];
  28
  29                         $URLSearchString = "^\[\]";
  30
  31                         if (preg_match("/\[img\]([$URLSearchString]*)\[\/img\]/ism", $attacheddata, $matches))
  32                                 $post["image"] = $matches[1];
  33
  34                         if (preg_match("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", $attacheddata, $matches)) {
  35                                 $post["url"] = $matches[1];
  36                                 $post["title"] = $matches[2];
  37                         }
  38
  39                         // Search for description
  40                         if (preg_match("/\[quote\](.*?)\[\/quote\]/ism", $attacheddata, $matches))
  41                                 $post["description"] = $matches[1];
  42
  43                 }
  44         }
  45
  46         // if nothing is found, it maybe having an image.
  47         if (!isset($post["type"])) {
  48                 require_once("mod/parse_url.php");
  49                 require_once("include/Photo.php");
  50
  51                 $URLSearchString = "^\[\]";
  52                 if (preg_match_all("(\[url=([$URLSearchString]*)\]\s*\[img\]([$URLSearchString]*)\[\/img\]\s*\[\/url\])ism", $body, $pictures,  PREG_SET_ORDER)) {
  53                         if (count($pictures) == 1) {
  54                                 // Checking, if the link goes to a picture
  55                                 $data = parseurl_getsiteinfo($pictures[0][1], true);
  56
  57                                 if ($data["type"] == "photo") {
  58                                         $post["type"] = "photo";
  59                                         if (isset($data["images"][0]))
  60                                                 $post["image"] = $data["images"][0]["src"];
  61                                         else
  62                                                 $post["image"] = $data["url"];
  63
  64                                         $post["preview"] = $pictures[0][2];
  65                                         $post["text"] = str_replace($pictures[0][0], "", $body);
  66                                 } else {
  67                                         $img_str = fetch_url($pictures[0][1]);
  68                                         $imgdata = get_photo_info($img_str);
  69                                         if (substr($imgdata["mime"], 0, 6) == "image/") {
  70                                                 $post["type"] = "photo";
  71                                                 $post["image"] = $pictures[0][1];
  72                                                 $post["preview"] = $pictures[0][2];
  73                                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  74                                         }
  75                                 }
  76                         } elseif (count($pictures) > 1) {
  77                                 $post["type"] = "link";
  78                                 $post["url"] = $b["plink"];
  79                                 $post["image"] = $pictures[0][2];
  80                                 $post["text"] = $body;
  81                         }
  82                 } elseif (preg_match_all("(\[img\]([$URLSearchString]*)\[\/img\])ism", $body, $pictures,  PREG_SET_ORDER)) {
  83                         if (count($pictures) == 1) {
  84                                 $post["type"] = "photo";
  85                                 $post["image"] = $pictures[0][1];
  86                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  87                         } elseif (count($pictures) > 1) {
  88                                 $post["type"] = "link";
  89                                 $post["url"] = $b["plink"];
  90                                 $post["image"] = $pictures[0][1];
  91                                 $post["text"] = $body;
  92                         }
  93                 }
  94                 if (!isset($post["type"])) {
  95                         $post["type"] = "text";
  96                         $post["text"] = trim($body);
  97                 }
  98         } elseif (isset($post["url"]) AND ($post["type"] == "video")) {
  99                 require_once("mod/parse_url.php");
 100                 $data = parseurl_getsiteinfo($post["url"], true);
 101
 102                 if (isset($data["images"][0]))
 103                         $post["image"] = $data["images"][0]["src"];
 104         }
 105
 106         return($post);
 107 }
 108
 109 function shortenmsg($msg, $limit, $twitter = false) {
 110         // To-Do:
 111         // For Twitter URLs aren't shortened, but they have to be calculated as if.
 112
 113         $lines = explode("\n", $msg);
 114         $msg = "";
 115         $recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 116         foreach ($lines AS $row=>$line) {
 117                 if (iconv_strlen(trim($msg."\n".$line), "UTF-8") <= $limit)
 118                         $msg = trim($msg."\n".$line);
 119                 // Is the new message empty by now or is it a reshared message?
 120                 elseif (($msg == "") OR (($row == 1) AND (substr($msg, 0, 4) == $recycle)))
 121                         $msg = substr(substr(trim($msg."\n".$line), 0, $limit), 0, -3)."...";
 122                 else
 123                         break;
 124         }
 125         return($msg);
 126 }
 127
 128 function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
 129         require_once("include/bbcode.php");
 130         require_once("include/html2plain.php");
 131         require_once("include/network.php");
 132
 133         // At first look at data that is attached via "type-..." stuff
 134         // This will hopefully replaced with a dedicated bbcode later
 135         $post = get_attached_data($b["body"]);
 136
 137         if (($b["title"] != "") AND ($post["text"] != ""))
 138                 $post["text"] = trim($b["title"]."\n\n".$post["text"]);
 139         elseif ($b["title"] != "")
 140                 $post["text"] = trim($b["title"]);
 141
 142         $html = bbcode($post["text"], false, false, $htmlmode);
 143         $msg = html2plain($html, 0, true);
 144         $msg = trim(html_entity_decode($msg,ENT_QUOTES,'UTF-8'));
 145
 146         $link = "";
 147         if ($includedlinks) {
 148                 if ($post["type"] == "link")
 149                         $link = $post["url"];
 150                 elseif ($post["type"] == "video")
 151                         $link = $post["url"];
 152                 elseif ($post["type"] == "photo")
 153                         $link = $post["image"];
 154
 155                 if (($msg == "") AND isset($post["title"]))
 156                         $msg = trim($post["title"]);
 157
 158                 if (($msg == "") AND isset($post["description"]))
 159                         $msg = trim($post["description"]);
 160
 161                 // If the link is already contained in the post, then it neeedn't to be added again
 162                 // But: if the link is beyond the limit, then it has to be added.
 163                 if (($link != "") AND strstr($msg, $link)) {
 164                         $pos = strpos($msg, $link);
 165                         if (($limit == 0) OR ($pos < $limit))
 166                                 $link = "";
 167                 }
 168         }
 169
 170         if ($limit > 0) {
 171                 // Reduce multiple spaces
 172                 // When posted to a network with limited space, we try to gain space where possible
 173                 while (strpos($msg, "  ") !== false)
 174                         $msg = str_replace("  ", " ", $msg);
 175
 176                 // Twitter is using its own limiter, so we always assume that shortened links will have this length
 177                 if (strlen($link) > 0)
 178                         $limit = $limit - 23;
 179
 180                 if (strlen($msg) > $limit) {
 181
 182                         if (!isset($post["url"])) {
 183                                 $limit = $limit - 23;
 184                                 $post["url"] = $b["plink"];
 185                         }
 186
 187                         $msg = shortenmsg($msg, $limit);
 188                 }
 189         }
 190
 191         $post["text"] = trim($msg);
 192
 193         return($post);
 194 }
 195 ?>