diff options
Diffstat (limited to 'include/photos.php')
| -rw-r--r-- | include/photos.php | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/include/photos.php b/include/photos.php new file mode 100644 index 000000000..9819c7ef2 --- /dev/null +++ b/include/photos.php @@ -0,0 +1,440 @@ +<?php /** @file */ + +require_once('include/permissions.php'); +require_once('include/items.php'); +require_once('include/photo/photo_driver.php'); + + +function photo_upload($channel, $observer, $args) { + + $ret = array('success' => false); + $channel_id = $channel['channel_id']; + $account_id = $channel['channel_account_id']; + + if(! perm_is_allowed($channel_id, $observer['xchan_hash'], 'post_photos')) { + $ret['message'] = t('Permission denied.'); + return $ret; + } + + call_hooks('photo_upload_begin', $args); + + /** + * Determine the album to use + */ + + $album = $args['album']; + $newalbum = $args['newalbum']; + + logger('photo_upload: album= ' . $album . ' newalbum= ' . $newalbum , LOGGER_DEBUG); + + if(! $album) { + if($newalbum) + $album = $newalbum; + else + $album = datetime_convert('UTC',date_default_timezone_get(),'now', 'Y'); + } + + /** + * + * We create a wall item for every photo, but we don't want to + * overwhelm the data stream with a hundred newly uploaded photos. + * So we will make the first photo uploaded to this album in the last several hours + * visible by default, the rest will become visible over time when and if + * they acquire comments, likes, dislikes, and/or tags + * + */ + + $r = q("SELECT * FROM photo WHERE album = '%s' AND uid = %d AND created > UTC_TIMESTAMP() - INTERVAL 3 HOUR ", + dbesc($album), + intval($channel_id) + ); + if((! $r) || ($album == t('Profile Photos'))) + $visible = 1; + else + $visible = 0; + + if(intval($args['not_visible']) || $args['not_visible'] === 'true') + $visible = 0; + + $str_group_allow = perms2str(((is_array($args['group_allow'])) ? $args['group_allow'] : explode(',',$args['group_allow']))); + $str_contact_allow = perms2str(((is_array($args['contact_allow'])) ? $args['contact_allow'] : explode(',',$args['contact_allow']))); + $str_group_deny = perms2str(((is_array($args['group_deny'])) ? $args['group_deny'] : explode(',',$args['group_deny']))); + $str_contact_deny = perms2str(((is_array($args['contact_deny'])) ? $args['contact_deny'] : explode(',',$args['contact_deny']))); + + $f = array('src' => '', 'filename' => '', 'filesize' => 0, 'type' => ''); + + call_hooks('photo_upload_file',$f); + + if(x($f,'src') && x($f,'filesize')) { + $src = $f['src']; + $filename = $f['filename']; + $filesize = $f['filesize']; + $type = $f['type']; + } + else { + $src = $_FILES['userfile']['tmp_name']; + $filename = basename($_FILES['userfile']['name']); + $filesize = intval($_FILES['userfile']['size']); + $type = $_FILES['userfile']['type']; + } + + if (! $type) + $type=guess_image_type($filename); + + logger('photo_upload: received file: ' . $filename . ' as ' . $src . ' ('. $type . ') ' . $filesize . ' bytes', LOGGER_DEBUG); + + $maximagesize = get_config('system','maximagesize'); + + if(($maximagesize) && ($filesize > $maximagesize)) { + $ret['message'] = sprintf ( t('Image exceeds website size limit of %lu bytes'), $maximagesize); + @unlink($src); + call_hooks('photo_upload_end',$ret); + return $ret; + } + + if(! $filesize) { + $ret['message'] = t('Image file is empty.'); + @unlink($src); + call_hooks('photo_post_end',$ret); + return $ret; + } + + logger('photo_upload: loading the contents of ' . $src , LOGGER_DEBUG); + + $imagedata = @file_get_contents($src); + + $r = q("select sum(size) as total from photo where aid = %d and scale = 0 ", + intval($account_id) + ); + + $limit = service_class_fetch($channel_id,'photo_upload_limit'); + + if(($r) && ($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) { + $ret['message'] = upgrade_message(); + @unlink($src); + call_hooks('photo_post_end',$ret); + return $ret; + } + + + $ph = photo_factory($imagedata, $type); + + if(! $ph->is_valid()) { + $ret['message'] = t('Unable to process image'); + logger('photo_upload: unable to process image'); + @unlink($src); + call_hooks('photo_upload_end',$ret); + return $ret; + } + + $ph->orient($src); + @unlink($src); + + $max_length = get_config('system','max_image_length'); + if(! $max_length) + $max_length = MAX_IMAGE_LENGTH; + if($max_length > 0) + $ph->scaleImage($max_length); + + $width = $ph->getWidth(); + $height = $ph->getHeight(); + + $smallest = 0; + + $photo_hash = photo_new_resource(); + + $visitor = ''; + if($channel['channel_hash'] !== $observer['xchan_hash']) + $visitor = $observer['xchan_hash']; + + $errors = false; + + $p = array('aid' => $account_id, 'uid' => $channel_id, 'xchan' => $visitor, 'resource_id' => $photo_hash, + 'filename' => $filename, 'album' => $album, 'scale' => 0, 'photo_flags' => PHOTO_NORMAL, + 'allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow, + 'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny + ); + + $r1 = $ph->save($p); + if(! $r1) + $errors = true; + + if(($width > 640 || $height > 640) && (! $errors)) { + $ph->scaleImage(640); + $p['scale'] = 1; + $r2 = $ph->save($p); + $smallest = 1; + if(! $r2) + $errors = true; + } + + if(($width > 320 || $height > 320) && (! $errors)) { + $ph->scaleImage(320); + $p['scale'] = 2; + $r3 = $ph->save($p); + $smallest = 2; + if(! $r3) + $errors = true; + } + + + if($errors) { + q("delete from photo where resource_id = '%s' and uid = %d", + dbesc($photo_hash), + intval($channel_id) + ); + $ret['message'] = t('Photo storage failed.'); + logger('photo_upload: photo store failed.'); + call_hooks('photo_upload_end',$ret); + return $ret; + } + + // This will be the width and height of the smallest representation + + $width_x_height = $ph->getWidth() . 'x' . $ph->getHeight(); + + $basename = basename($filename); + $mid = item_message_id(); + + // Create item container + + $item_flags = ITEM_WALL|ITEM_ORIGIN|ITEM_THREAD_TOP; + $item_restrict = (($visible) ? ITEM_VISIBLE : ITEM_HIDDEN); + $title = ''; + $mid = item_message_id(); + + $arr = array(); + + $arr['aid'] = $account_id; + $arr['uid'] = $channel_id; + $arr['mid'] = $mid; + $arr['parent_mid'] = $mid; + $arr['item_flags'] = $item_flags; + $arr['item_restrict'] = $item_restrict; + $arr['resource_type'] = 'photo'; + $arr['resource_id'] = $photo_hash; + $arr['owner_xchan'] = $channel['channel_hash']; + $arr['author_xchan'] = $observer['xchan_hash']; + $arr['title'] = $title; + $arr['allow_cid'] = $str_contact_allow; + $arr['allow_gid'] = $str_group_allow; + $arr['deny_cid'] = $str_contact_deny; + $arr['deny_gid'] = $str_group_deny; + $arr['verb'] = ACTIVITY_POST; + + $arr['plink'] = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $arr['mid']; + + if ($width_x_height) + $tag = '[zmg=' . $width_x_height. ']'; + else + $tag = '[zmg]'; + + $arr['body'] = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo_hash . ']' + . $tag . z_root() . "/photo/{$photo_hash}-{$smallest}.".$ph->getExt() . '[/zmg]' + . '[/zrl]'; + + $result = item_store($arr); + $item_id = $result['item_id']; + + if($visible) + proc_run('php', "include/notifier.php", 'wall-new', $item_id); + + $ret['success'] = true; + $ret['body'] = $arr['body']; + $ret['resource_id'] = $photo_hash; + $ret['photoitem_id'] = $item_id; + + call_hooks('photo_upload_end',$ret); + + return $ret; +} + + + + +function photos_albums_list($channel,$observer) { + + $channel_id = $channel['channel_id']; + $observer_xchan = (($observer) ? $observer['xchan_hash'] : ''); + + if(! perm_is_allowed($channel_id,$observer_xchan,'view_photos')) + return false; + + // FIXME - create a permissions SQL which works on arbitrary observers and channels, regardless of login or web status + + $sql_extra = permissions_sql($channel_id); + + $albums = q("SELECT count( distinct resource_id ) as total, album from photo where uid = %d and ( photo_flags = %d or photo_flags = %d ) $sql_extra group by album order by created desc", + intval($channel_id), + intval(PHOTO_NORMAL), + intval(PHOTO_PROFILE) + + ); + + // add various encodings to the array so we can just loop through and pick them out in a template + + $ret = array('success' => false); + + if($albums) { + $ret['success'] = true; + $ret['albums'] = array(); + foreach($albums as $k => $album) { + $entry = array( + 'text' => $album['album'], + 'total' => $album['total'], + 'url' => z_root() . '/photos/' . $channel['channel_address'] . '/album/' . bin2hex($album['album']), + 'urlencode' => urlencode($album['album']), + 'bin2hex' => bin2hex($album['album'])); + $ret['albums'][] = $entry; + } + } + return $ret; + +} + +function photos_album_widget($channelx,$observer,$albums = null) { + + $o = ''; + + // If we weren't passed an album list, see if the photos module + // dropped one for us to find in $a->data['albums']. + // If all else fails, load it. + + if(! $albums) { + if(array_key_exists('albums', get_app()->data)) + $albums = get_app()->data['albums']; + else + $albums = photos_albums_list($channelx,$observer); + } + + if($albums['success']) { + $o = replace_macros(get_markup_template('photo_albums.tpl'),array( + '$nick' => $channelx['channel_address'], + '$title' => t('Photo Albums'), + '$albums' => $albums['albums'], + '$baseurl' => z_root(), + '$upload' => ((perm_is_allowed($channelx['channel_id'],(($observer) ? $observer['xchan_hash'] : ''),'post_photos')) + ? t('Upload New Photos') : '') + )); + } + return $o; +} + + +function photos_list_photos($channel,$observer,$album = '') { + + $channel_id = $channel['channel_id']; + $observer_xchan = (($observer) ? $observer['xchan_hash'] : ''); + + if(! perm_is_allowed($channel_id,$observer_xchan,'view_photos')) + return false; + + $sql_extra = permissions_sql($channel_id); + + if($album) + $sql_extra .= " and album = '" . protect_sprintf(dbesc($album)) . "' "; + + $ret = array('success' => false); + + $r = q("select resource_id, created, edited, title, description, album, filename, type, height, width, size, scale, profile, photo_flags, allow_cid, allow_gid, deny_cid, deny_gid from photo where uid = %d and ( photo_flags = %d or photo_flags = %d ) $sql_extra ", + intval($channel_id), + intval(PHOTO_NORMAL), + intval(PHOTO_PROFILE) + ); + + if($r) { + for($x = 0; $x < count($r); $x ++) { + $r[$x]['src'] = z_root() . '/photo/' . $r[$x]['resource_id'] . '-' . $r[$x]['scale']; + } + $ret['success'] = true; + $ret['photos'] = $r; + } + + return $ret; +} + + + +function photos_album_exists($channel_id,$album) { + $r = q("SELECT id from photo where album = '%s' and uid = %d limit 1", + dbesc($album), + intval($channel_id) + ); + return (($r) ? true : false); +} + +function photos_album_rename($channel_id,$oldname,$newname) { + return q("UPDATE photo SET album = '%s' WHERE album = '%s' AND uid = %d", + dbesc($newname), + dbesc($oldname), + intval($channel_id) + ); +} + + +function photos_album_get_db_idstr($channel_id,$album,$remote_xchan = '') { + + if($remote_xchan) { + $r = q("SELECT distinct resource_id as from photo where xchan = '%s' and uid = %d and album = '%s' ", + dbesc($remote_xchan), + intval($channel_id), + dbesc($album) + ); + } + else { + $r = q("SELECT distinct resource_id from photo where uid = %d and album = '%s' ", + intval($channel_id), + dbesc($album) + ); + } + if($r) { + $arr = array(); + foreach($r as $rr) { + $arr[] = "'" . dbesc($rr['resource_id']) . "'" ; + } + $str = implode(',',$arr); + return $str; + } + return false; + +} + +function photos_create_item($channel, $creator_hash, $photo, $visible = false) { + + // Create item container + + $item_flags = ITEM_WALL|ITEM_ORIGIN|ITEM_THREAD_TOP; + $item_restrict = (($visible) ? ITEM_HIDDEN : ITEM_VISIBLE); + + $title = ''; + $mid = item_message_id(); + + $arr = array(); + + $arr['aid'] = $channel['channel_account_id']; + $arr['uid'] = $channel['channel_id']; + $arr['mid'] = $mid; + $arr['parent_mid'] = $mid; + $arr['item_flags'] = $item_flags; + $arr['item_restrict'] = $item_restrict; + $arr['resource_type'] = 'photo'; + $arr['resource_id'] = $photo['resource_id']; + $arr['owner_xchan'] = $channel['channel_hash']; + $arr['author_xchan'] = $creator_hash; + + $arr['allow_cid'] = $photo['allow_cid']; + $arr['allow_gid'] = $photo['allow_gid']; + $arr['deny_cid'] = $photo['deny_cid']; + $arr['deny_gid'] = $photo['deny_gid']; + + $arr['plink'] = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $arr['mid']; + + $arr['body'] = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo['resource_id'] . ']' + . '[zmg]' . z_root() . '/photo/' . $photo['resource_id'] . '-' . $photo['scale'] . '[/zmg]' + . '[/zrl]'; + + $result = item_store($arr); + $item_id = $result['item_id']; + return $item_id; + +} |