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optionally allow zrl usage from specific markdown sources

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friendica
2014-07-01 18:38:44 -07:00
parent fc69220b94
commit c037a5083c
3 changed files with 19 additions and 12 deletions
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18
include/network.php
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@@ -597,21 +597,21 @@ function scale_external_images($s, $include_link = true, $scale_replace = false)
$s = htmlspecialchars_decode($s, ENT_COMPAT);
$matches = null;
$c = preg_match_all('/\[img(.*?)\](.*?)\[\/img\]/ism',$s,$matches,PREG_SET_ORDER);
$c = preg_match_all('/\[([zi])mg(.*?)\](.*?)\[\/[zi]mg\]/ism',$s,$matches,PREG_SET_ORDER);
if($c) {
require_once('include/photo/photo_driver.php');
foreach($matches as $mtch) {
logger('scale_external_image: ' . $mtch[1] . ' ' . $mtch[2]);
logger('scale_external_image: ' . $mtch[2] . ' ' . $mtch[3]);
if(substr($mtch[1],0,1) == '=') {
$owidth = intval(substr($mtch[1],1));
$owidth = intval(substr($mtch[2],1));
if(intval($owidth) > 0 && intval($owidth) < 640)
continue;
}
$hostname = str_replace('www.','',substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')+3));
if(stristr($mtch[2],$hostname))
if(stristr($mtch[3],$hostname))
continue;
// $scale_replace, if passed, is an array of two elements. The
@@ -620,9 +620,9 @@ function scale_external_images($s, $include_link = true, $scale_replace = false)
// This allows Friendica to display the smaller remote image if
// one exists, while still linking to the full-size image
if($scale_replace)
$scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[2]);
$scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[3]);
else
$scaled = $mtch[2];
$scaled = $mtch[3];
$i = z_fetch_url($scaled);
@@ -633,7 +633,7 @@ function scale_external_images($s, $include_link = true, $scale_replace = false)
}
// guess mimetype from headers or filename
$type = guess_image_type($mtch[2],$i['header']);
$type = guess_image_type($mtch[3],$i['header']);
if($i['success']) {
$ph = photo_factory($i['body'], $type);
@@ -642,12 +642,12 @@ function scale_external_images($s, $include_link = true, $scale_replace = false)
$orig_height = $ph->getHeight();
if($orig_width > 640 || $orig_height > 640) {
$tag = (($match[1] == 'z') ? 'zmg' : 'img');
$ph->scaleImage(640);
$new_width = $ph->getWidth();
$new_height = $ph->getHeight();
logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
$s = str_replace($mtch[0],'[img=' . $new_width . 'x' . $new_height. ']' . $scaled . '[/img]'
$s = str_replace($mtch[0],'[' . $tag . '=' . $new_width . 'x' . $new_height. ']' . $scaled . '[/' . $tag . ']'
. "\n" . (($include_link)
? '[zrl=' . $mtch[2] . ']' . t('view full size') . '[/zrl]' . "\n"
: ''),$s);