diff options
Diffstat (limited to 'include/conversation.php')
| -rw-r--r-- | include/conversation.php | 102 |
1 files changed, 82 insertions, 20 deletions
diff --git a/include/conversation.php b/include/conversation.php index bbb6a1f85..240cd374f 100644 --- a/include/conversation.php +++ b/include/conversation.php @@ -1,30 +1,92 @@ <?php +// Note: the code in 'item_extract_images' and 'item_redir_and_replace_images' +// is identical to the code in mod/message.php for 'item_extract_images' and +// 'item_redir_and_replace_images' +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 + $img_st_close)); + $new_body = $new_body . substr($orig_body, 0, $img_start) . '[!#saved_image' . $cnt . '#!]'; + + $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) { + + $origbody = $body; + $newbody = ''; + + for($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]' ; + + $img_end = strpos($origbody, '[!#saved_image' . $i . '#!][/url]') + strlen('[!#saved_image' . $i . '#!][/url]'); + $process_part = substr($origbody, 0, $img_end); + $origbody = substr($origbody, $img_end); + + $process_part = preg_replace($search, $replace, $process_part); + $newbody = $newbody . $process_part; + } + $newbody = $newbody . $origbody; + + $cnt = 0; + foreach($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 $newbody; +}} + + + /** * Render actions localized */ function localize_item(&$item){ - $Text = $item['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/' . $item['contact-id'] - . '?f=1&url=' . '$1' . '][!#saved_image#!][/url]' ; - - $Text = preg_replace($search,$replace,$Text); - - if(strlen($saved_image)) - $item['body'] = str_replace('[!#saved_image#!]', '[img]' . $saved_image . '[/img]',$Text); - } + $extracted = item_extract_images($item['body']); + if($extracted['images']) + $item['body'] = item_redir_and_replace_images($extracted['body'], $extracted['images'], $item['contact-id']); $xmlhead="<"."?xml version='1.0' encoding='UTF-8' ?".">"; if ($item['verb']=== ACTIVITY_LIKE || $item['verb']=== ACTIVITY_DISLIKE){ |