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                                 $data = parseurl_getsiteinfo_cached($pictures[0][1], true);
  56                                 if ($data["type"] == "photo") {
  57                                         $post["type"] = "photo";
  58                                         if (isset($data["images"][0])) {
  59                                                 $post["image"] = $data["images"][0]["src"];
  60                                                 $post["url"] = $data["url"];
  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                                         $imgdata = get_photo_info($pictures[0][1]);
  68                                         if (substr($imgdata["mime"], 0, 6) == "image/") {
  69                                                 $post["type"] = "photo";
  70                                                 $post["image"] = $pictures[0][1];
  71                                                 $post["preview"] = $pictures[0][2];
  72                                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  73                                         }
  74                                 }
  75                         } elseif (count($pictures) > 1) {
  76                                 $post["type"] = "link";
  77                                 $post["url"] = $b["plink"];
  78                                 $post["image"] = $pictures[0][2];
  79                                 $post["text"] = $body;
  80                         }
  81                 } elseif (preg_match_all("(\[img\]([$URLSearchString]*)\[\/img\])ism", $body, $pictures,  PREG_SET_ORDER)) {
  82                         if (count($pictures) == 1) {
  83                                 $post["type"] = "photo";
  84                                 $post["image"] = $pictures[0][1];
  85                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  86                         } elseif (count($pictures) > 1) {
  87                                 $post["type"] = "link";
  88                                 $post["url"] = $b["plink"];
  89                                 $post["image"] = $pictures[0][1];
  90                                 $post["text"] = $body;
  91                         }
  92                 }
  93                 if (!isset($post["type"])) {
  94                         $post["type"] = "text";
  95                         $post["text"] = trim($body);
  96                 }
  97         } elseif (isset($post["url"]) AND ($post["type"] == "video")) {
  98                 require_once("mod/parse_url.php");
  99                 $data = parseurl_getsiteinfo_cached($post["url"], true);
 100
 101                 if (isset($data["images"][0]))
 102                         $post["image"] = $data["images"][0]["src"];
 103         }
 104
 105         return($post);
 106 }
 107
 108 function shortenmsg($msg, $limit, $twitter = false) {
 109         // To-Do:
 110         // For Twitter URLs aren't shortened, but they have to be calculated as if.
 111
 112         $lines = explode("\n", $msg);
 113         $msg = "";
 114         $recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 115         foreach ($lines AS $row=>$line) {
 116                 if (iconv_strlen(trim($msg."\n".$line), "UTF-8") <= $limit)
 117                         $msg = trim($msg."\n".$line);
 118                 // Is the new message empty by now or is it a reshared message?
 119                 elseif (($msg == "") OR (($row == 1) AND (substr($msg, 0, 4) == $recycle)))
 120                         $msg = iconv_substr(iconv_substr(trim($msg."\n".$line), 0, $limit, "UTF-8"), 0, -3, "UTF-8")."...";
 121                 else
 122                         break;
 123         }
 124         return($msg);
 125 }
 126
 127 function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
 128         require_once("include/bbcode.php");
 129         require_once("include/html2plain.php");
 130         require_once("include/network.php");
 131
 132         // At first look at data that is attached via "type-..." stuff
 133         // This will hopefully replaced with a dedicated bbcode later
 134         $post = get_attached_data($b["body"]);
 135
 136         if (($b["title"] != "") AND ($post["text"] != ""))
 137                 $post["text"] = trim($b["title"]."\n\n".$post["text"]);
 138         elseif ($b["title"] != "")
 139                 $post["text"] = trim($b["title"]);
 140
 141         $html = bbcode($post["text"], false, false, $htmlmode);
 142         $msg = html2plain($html, 0, true);
 143         $msg = trim(html_entity_decode($msg,ENT_QUOTES,'UTF-8'));
 144
 145         $link = "";
 146         if ($includedlinks) {
 147                 if ($post["type"] == "link")
 148                         $link = $post["url"];
 149                 elseif ($post["type"] == "video")
 150                         $link = $post["url"];
 151                 elseif ($post["type"] == "photo")
 152                         $link = $post["image"];
 153
 154                 if (($msg == "") AND isset($post["title"]))
 155                         $msg = trim($post["title"]);
 156
 157                 if (($msg == "") AND isset($post["description"]))
 158                         $msg = trim($post["description"]);
 159
 160                 // If the link is already contained in the post, then it neeedn't to be added again
 161                 // But: if the link is beyond the limit, then it has to be added.
 162                 if (($link != "") AND strstr($msg, $link)) {
 163                         $pos = strpos($msg, $link);
 164                         if (($limit == 0) OR ($pos < $limit))
 165                                 $link = "";
 166                 }
 167         }
 168
 169         if ($limit > 0) {
 170                 // Reduce multiple spaces
 171                 // When posted to a network with limited space, we try to gain space where possible
 172                 while (strpos($msg, "  ") !== false)
 173                         $msg = str_replace("  ", " ", $msg);
 174
 175                 // Twitter is using its own limiter, so we always assume that shortened links will have this length
 176                 if (iconv_strlen($link, "UTF-8") > 0)
 177                         $limit = $limit - 23;
 178
 179                 if (iconv_strlen($msg, "UTF-8") > $limit) {
 180
 181                         if (!isset($post["url"])) {
 182                                 $limit = $limit - 23;
 183                                 $post["url"] = $b["plink"];
 184                         } elseif (strpos($b["body"], "[share") !== false)
 185                                 $post["url"] = $b["plink"];
 186                         elseif (get_pconfig($b["uid"], "system", "no_intelligent_shortening"))
 187                                 $post["url"] = $b["plink"];
 188
 189                         $msg = shortenmsg($msg, $limit);
 190                 }
 191         }
 192
 193         $post["text"] = trim($msg);
 194
 195         return($post);
 196 }
 197 ?>