allow more than one embedded private photo

This commit is contained in:
Zach Prezkuta 2012-07-07 16:20:24 -06:00
parent 57635e7684
commit 173b3a1b9a
4 changed files with 327 additions and 139 deletions

View file

@ -88,6 +88,77 @@ function message_post(&$a) {
}
// Note: the code in 'item_extract_images' and 'item_redir_and_replace_images'
// is identical to the code in include/conversation.php
if(! function_exists('item_extract_images')) {
function item_extract_images($body) {
$saved_image = array();
$orig_body = $body;
$new_body = '';
$cnt = 0;
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
while(($img_st_close !== false) && ($img_end !== false)) {
$img_st_close++; // make it point to AFTER the closing bracket
$img_end += $img_start;
if(! strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
// This is an embedded image
$saved_image[$cnt] = substr($orig_body, $img_start + $img_st_close, $img_end - $img_start);
$cnt++;
$new_body = $new_body . substr($orig_body, 0, $img_start) . '[!#saved_image' . $cnt . '#!]';
}
else
$new_body = $new_body . substr($orig_body, 0, $img_end + strlen('[/img]'));
$orig_body = substr($orig_body, $img_end + strlen('[/img]'));
if($orig_body === false) // in case the body ends on a closing image tag
$orig_body = '';
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
}
$new_body = $new_body . $orig_body;
return array('body' => $new_body, 'images' => $saved_image);
}}
if(! function_exists('item_redir_and_replace_images')) {
function item_redir_and_replace_images($body, $images, $cid) {
$newbody = $body;
for($i = 0; $i < count($images); $i++) {
$search = '/\[url\=(.*?)\]\[!#saved_image' . $i . '#!\]\[\/url\]' . '/is';
$replace = '[url=' . z_path() . '/redir/' . $cid
. '?f=1&url=' . '$1' . '][!#saved_image' . $i . '#!][/url]' ;
$newbody = preg_replace($search, $replace, $newbody);
}
$cnt = 0;
foreach($images as $image) {
// We're depending on the property of 'foreach' (specified on the PHP website) that
// it loops over the array starting from the first element and going sequentially
// to the last element
$newbody = str_replace('[$#saved_image' . $cnt . '#$]', '[img]' . $image . '[/img]', $newbody);
$cnt++;
}
return $newbody;
}}
function message_content(&$a) {
$o = '';
@ -345,26 +416,9 @@ function message_content(&$a) {
}
$Text = $message['body'];
$saved_image = '';
$img_start = strpos($Text,'[img]data:');
$img_end = strpos($Text,'[/img]');
if($img_start !== false && $img_end !== false && $img_end > $img_start) {
$start_fragment = substr($Text,0,$img_start);
$img_start += strlen('[img]');
$saved_image = substr($Text,$img_start,$img_end - $img_start);
$end_fragment = substr($Text,$img_end + strlen('[/img]'));
$Text = $start_fragment . '[!#saved_image#!]' . $end_fragment;
$search = '/\[url\=(.*?)\]\[!#saved_image#!\]\[\/url\]' . '/is';
$replace = '[url=' . z_path() . '/redir/' . $message['contact-id']
. '?f=1&url=' . '$1' . '][!#saved_image#!][/url]' ;
$Text = preg_replace($search,$replace,$Text);
if(strlen($saved_image))
$message['body'] = str_replace('[!#saved_image#!]', '[img]' . $saved_image . '[/img]',$Text);
}
$extracted = item_extract_images($message['body']);
if($extracted['images'])
$message['body'] = item_redir_and_replace_images($extracted['body'], $extracted['images'], $message['contact-id']);
$mails[] = array(
'id' => $message['id'],