diff options
Diffstat (limited to 'mod/message.php')
| -rw-r--r-- | mod/message.php | 94 |
1 files changed, 74 insertions, 20 deletions
diff --git a/mod/message.php b/mod/message.php index 80d2c6d99..4ffdebb12 100644 --- a/mod/message.php +++ b/mod/message.php @@ -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'], |