start on photos rework

1 files changed, 226 insertions, 0 deletions

diff --git a/include/photos.php b/include/photos.php
new file mode 100644
index 000000000..84352ed32
--- /dev/null
+++ b/include/photos.php
@@ -0,0 +1,226 @@
+<?php
+
+require_once('include/permissions.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);
+
+	$r = q("select sum(size) as total from photo where uid = %d and scale = 0 ",
+		intval($channel_id)
+	);
+
+// FIXME service class limits should probably apply to accounts and not channels
+
+	$limit = service_class_fetch($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;
+	}
+		
+
+	$ph = new Photo($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_post_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;
+
+	$r1 = $ph->store($account_id, $channel_id, $visitor, $photo_hash, $filename, $album, 0 , 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+	if(! $r1)
+		$errors = true;
+		
+	if(($width > 640 || $height > 640) && (! $errors)) {
+		$ph->scaleImage(640);
+		$r2 = $ph->store($account_id, $channel_id, $visitor, $photo_hash, $filename, $album, 1, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+		$smallest = 1;
+		if(! $r2)
+			$errors = true;
+	}
+
+	if(($width > 320 || $height > 320) && (! $errors)) {
+		$ph->scaleImage(320);
+		$r3 = $ph->store($account_id, $channel_id, $visitor, $photo_hash, $filename, $album, 2, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+		$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)
+		);
+		$ret['message'] = t('Photo storage failed.');
+		logger('photo_upload: photo store failed.');
+		call_hooks('photo_post_end',$ret);
+		return $ret;
+	}
+
+	$basename = basename($filename);
+	$uri = item_message_id();
+
+
+	// Create item container
+
+	$item_flags = ITEM_WALL|ITEM_ORIGIN|ITEM_THREAD_TOP;
+	$item_restrict = (($visibility) ? ITEM_HIDDEN : ITEM_VISIBLE);			
+	$title = '';
+	$uri = item_message_id();
+			
+	$arr = array();
+
+	$arr['aid']           = $account_id;
+	$arr['uid']           = $channel_id;
+	$arr['uri']           = $uri;
+	$arr['parent_uri']    = $uri; 
+	$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['body']          = '[url=' . $a->get_baseurl() . '/photos/' . $channel['channel_address'] . '/image/' . $photo_hash . ']' 
+				. '[img]' . $a->get_baseurl() . "/photo/{$photo_hash}-{$smallest}.".$ph->getExt() . '[/img]' 
+				. '[/url]';
+		
+	$item_id = item_store($arr);
+
+	if($visible) 
+		proc_run('php', "include/notifier.php", 'wall-new', $item_id);
+
+	$ret['success'] = true;
+	$ret['photoitem_id'] = $item_id;
+
+	call_hooks('photo_post_end',$ret);
+
+	return $ret;
+}
\ No newline at end of file