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                                         else
  61                                                 $post["image"] = $data["url"];
  62
  63                                         $post["preview"] = $pictures[0][2];
  64                                         $post["text"] = str_replace($pictures[0][0], "", $body);
  65                                 } else {
  66                                         $imgdata = get_photo_info($pictures[0][1]);
  67                                         if (substr($imgdata["mime"], 0, 6) == "image/") {
  68                                                 $post["type"] = "photo";
  69                                                 $post["image"] = $pictures[0][1];
  70                                                 $post["preview"] = $pictures[0][2];
  71                                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  72                                         }
  73                                 }
  74                         } elseif (count($pictures) > 1) {
  75                                 $post["type"] = "link";
  76                                 $post["url"] = $b["plink"];
  77                                 $post["image"] = $pictures[0][2];
  78                                 $post["text"] = $body;
  79                         }
  80                 } elseif (preg_match_all("(\[img\]([$URLSearchString]*)\[\/img\])ism", $body, $pictures,  PREG_SET_ORDER)) {
  81                         if (count($pictures) == 1) {
  82                                 $post["type"] = "photo";
  83                                 $post["image"] = $pictures[0][1];
  84                                 $post["text"] = str_replace($pictures[0][0], "", $body);
  85                         } elseif (count($pictures) > 1) {
  86                                 $post["type"] = "link";
  87                                 $post["url"] = $b["plink"];
  88                                 $post["image"] = $pictures[0][1];
  89                                 $post["text"] = $body;
  90                         }
  91                 }
  92                 if (!isset($post["type"])) {
  93                         $post["type"] = "text";
  94                         $post["text"] = trim($body);
  95                 }
  96         } elseif (isset($post["url"]) AND ($post["type"] == "video")) {
  97                 require_once("mod/parse_url.php");
  98                 $data = parseurl_getsiteinfo_cached($post["url"], true);
  99
 100                 if (isset($data["images"][0]))
 101                         $post["image"] = $data["images"][0]["src"];
 102         }
 103
 104         return($post);
 105 }
 106
 107 function shortenmsg($msg, $limit, $twitter = false) {
 108         // To-Do:
 109         // For Twitter URLs aren't shortened, but they have to be calculated as if.
 110
 111         $lines = explode("\n", $msg);
 112         $msg = "";
 113         $recycle = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8');
 114         foreach ($lines AS $row=>$line) {
 115                 if (iconv_strlen(trim($msg."\n".$line), "UTF-8") <= $limit)
 116                         $msg = trim($msg."\n".$line);
 117                 // Is the new message empty by now or is it a reshared message?
 118                 elseif (($msg == "") OR (($row == 1) AND (substr($msg, 0, 4) == $recycle)))
 119                         $msg = iconv_substr(iconv_substr(trim($msg."\n".$line), 0, $limit, "UTF-8"), 0, -3, "UTF-8")."...";
 120                 else
 121                         break;
 122         }
 123         return($msg);
 124 }
 125
 126 function plaintext($a, $b, $limit = 0, $includedlinks = false, $htmlmode = 2) {
 127         require_once("include/bbcode.php");
 128         require_once("include/html2plain.php");
 129         require_once("include/network.php");
 130
 131         // At first look at data that is attached via "type-..." stuff
 132         // This will hopefully replaced with a dedicated bbcode later
 133         $post = get_attached_data($b["body"]);
 134
 135         if (($b["title"] != "") AND ($post["text"] != ""))
 136                 $post["text"] = trim($b["title"]."\n\n".$post["text"]);
 137         elseif ($b["title"] != "")
 138                 $post["text"] = trim($b["title"]);
 139
 140         $html = bbcode($post["text"], false, false, $htmlmode);
 141         $msg = html2plain($html, 0, true);
 142         $msg = trim(html_entity_decode($msg,ENT_QUOTES,'UTF-8'));
 143
 144         $link = "";
 145         if ($includedlinks) {
 146                 if ($post["type"] == "link")
 147                         $link = $post["url"];
 148                 elseif ($post["type"] == "video")
 149                         $link = $post["url"];
 150                 elseif ($post["type"] == "photo")
 151                         $link = $post["image"];
 152
 153                 if (($msg == "") AND isset($post["title"]))
 154                         $msg = trim($post["title"]);
 155
 156                 if (($msg == "") AND isset($post["description"]))
 157                         $msg = trim($post["description"]);
 158
 159                 // If the link is already contained in the post, then it neeedn't to be added again
 160                 // But: if the link is beyond the limit, then it has to be added.
 161                 if (($link != "") AND strstr($msg, $link)) {
 162                         $pos = strpos($msg, $link);
 163                         if (($limit == 0) OR ($pos < $limit))
 164                                 $link = "";
 165                 }
 166         }
 167
 168         if ($limit > 0) {
 169                 // Reduce multiple spaces
 170                 // When posted to a network with limited space, we try to gain space where possible
 171                 while (strpos($msg, "  ") !== false)
 172                         $msg = str_replace("  ", " ", $msg);
 173
 174                 // Twitter is using its own limiter, so we always assume that shortened links will have this length
 175                 if (iconv_strlen($link, "UTF-8") > 0)
 176                         $limit = $limit - 23;
 177
 178                 if (iconv_strlen($msg, "UTF-8") > $limit) {
 179
 180                         if (!isset($post["url"])) {
 181                                 $limit = $limit - 23;
 182                                 $post["url"] = $b["plink"];
 183                         } elseif (strpos($b["body"], "[share") !== false)
 184                                 $post["url"] = $b["plink"];
 185                         elseif (get_pconfig($b["uid"], "system", "no_intelligent_shortening"))
 186                                 $post["url"] = $b["plink"];
 187
 188                         $msg = shortenmsg($msg, $limit);
 189                 }
 190         }
 191
 192         $post["text"] = trim($msg);
 193
 194         return($post);
 195 }
 196 ?>