<?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
$album = datetime_convert('UTC',date_default_timezone_get(),'now', 'Y-m');
}
if(intval($args['visible']) || $args['visible'] === 'true')
$visible = 1;
else
$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'])));
if($args['data']) {
// allow an import from a binary string representing the image.
// This bypasses the upload step and max size limit checking
$imagedata = $args['data'];
$filename = $args['filename'];
$filesize = strlen($imagedata);
// this is going to be deleted if it exists
$src = '/tmp/deletemenow';
$type = $args['type'];
}
else {
$f = array('src' => '', 'filename' => '', 'filesize' => 0, 'type' => '');
call_hooks('photo_upload_file',$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;
}
$exif = $ph->orient($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;
$photo_hash = (($args['resource_id']) ? $args['resource_id'] : 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' => $str_group_deny
);
if($args['created'])
$p['created'] = $args['created'];
if($args['edited'])
$p['edited'] = $args['edited'];
if($args['title'])
$p['title'] = $args['title'];
if($args['description'])
$p['description'] = $args['description'];
$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();
$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'];
// We should also put a width_x_height on large photos. Left as an exercise for
// devs looking fo simple stuff to fix.
$larger = feature_enabled($channel['channel_id'], 'large_photos');
if($larger) {
$tag = '[zmg]';
if($r2)
$smallest = 1;
else
$smallest = 0;
}
else {
if ($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['item'] = $arr;
$ret['body'] = $arr['body'];
$ret['resource_id'] = $photo_hash;
$ret['photoitem_id'] = $item_id;
call_hooks('photo_upload_end',$ret);
return $ret;
}
/**
* @brief Returns a list with all photo albums observer is allowed to see.
*
* Returns an associative array with all albums where observer has permissions.
*
* @param array $channel
* @param array $observer
* @return bool|array false if no view_photos permission or an array
* * success (bool)
* * albums (array)
*/
function photos_albums_list($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 ) $sql_extra group by album order by max(created) desc",
intval($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;
}
/**
* @brief Check if given photo album exists in channel.
*
* @param int $channel_id id of the channel
* @param string $album name of the album
* @return boolean
*/
function photos_album_exists($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);
}
/**
* @brief Renames a photo album in a channel.
*
* @todo Do we need to check if new album name already exists?
* @param int $channel_id id of the channel
* @param string $oldname The name of the album to rename
* @param string $newname The new name of the album
* @return bool|array
*/
function photos_album_rename($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_VISIBLE : ITEM_HIDDEN);
$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;
}