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https://codeberg.org/streams/streams.git
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d0361582b0
Fixed wrong Doxygen syntax and add some of the available FIXME to Doxygen documentation. Updated Doxygen configuration to add also all capital letter tags. Adding some more Doxygen documentation.
549 lines
15 KiB
PHP
549 lines
15 KiB
PHP
<?php
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/**
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* @file include/photos.php
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* @brief Functions related to photo handling.
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*/
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require_once('include/permissions.php');
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require_once('include/items.php');
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require_once('include/photo/photo_driver.php');
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/**
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* @brief
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*
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* @param array $channel
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* @param array $observer
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* @param array $args
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* @return array
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*/
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function photo_upload($channel, $observer, $args) {
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$ret = array('success' => false);
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$channel_id = $channel['channel_id'];
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$account_id = $channel['channel_account_id'];
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if(! perm_is_allowed($channel_id, $observer['xchan_hash'], 'post_photos')) {
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$ret['message'] = t('Permission denied.');
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return $ret;
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}
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call_hooks('photo_upload_begin', $args);
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/*
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* Determine the album to use
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*/
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$album = $args['album'];
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$newalbum = $args['newalbum'];
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logger('photo_upload: album= ' . $album . ' newalbum= ' . $newalbum , LOGGER_DEBUG);
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if(! $album) {
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if($newalbum)
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$album = $newalbum;
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else
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$album = datetime_convert('UTC',date_default_timezone_get(),'now', 'Y-m');
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}
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if(intval($args['visible']) || $args['visible'] === 'true')
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$visible = 1;
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else
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$visible = 0;
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$str_group_allow = perms2str(((is_array($args['group_allow'])) ? $args['group_allow'] : explode(',',$args['group_allow'])));
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$str_contact_allow = perms2str(((is_array($args['contact_allow'])) ? $args['contact_allow'] : explode(',',$args['contact_allow'])));
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$str_group_deny = perms2str(((is_array($args['group_deny'])) ? $args['group_deny'] : explode(',',$args['group_deny'])));
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$str_contact_deny = perms2str(((is_array($args['contact_deny'])) ? $args['contact_deny'] : explode(',',$args['contact_deny'])));
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if ($args['data']) {
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// allow an import from a binary string representing the image.
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// This bypasses the upload step and max size limit checking
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$imagedata = $args['data'];
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$filename = $args['filename'];
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$filesize = strlen($imagedata);
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// this is going to be deleted if it exists
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$src = '/tmp/deletemenow';
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$type = $args['type'];
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} else {
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$f = array('src' => '', 'filename' => '', 'filesize' => 0, 'type' => '');
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call_hooks('photo_upload_file',$f);
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if (x($f,'src') && x($f,'filesize')) {
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$src = $f['src'];
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$filename = $f['filename'];
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$filesize = $f['filesize'];
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$type = $f['type'];
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} else {
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$src = $_FILES['userfile']['tmp_name'];
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$filename = basename($_FILES['userfile']['name']);
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$filesize = intval($_FILES['userfile']['size']);
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$type = $_FILES['userfile']['type'];
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}
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if (! $type)
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$type=guess_image_type($filename);
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logger('photo_upload: received file: ' . $filename . ' as ' . $src . ' ('. $type . ') ' . $filesize . ' bytes', LOGGER_DEBUG);
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$maximagesize = get_config('system','maximagesize');
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if (($maximagesize) && ($filesize > $maximagesize)) {
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$ret['message'] = sprintf ( t('Image exceeds website size limit of %lu bytes'), $maximagesize);
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@unlink($src);
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call_hooks('photo_upload_end',$ret);
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return $ret;
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}
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if (! $filesize) {
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$ret['message'] = t('Image file is empty.');
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@unlink($src);
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call_hooks('photo_post_end',$ret);
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return $ret;
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}
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logger('photo_upload: loading the contents of ' . $src , LOGGER_DEBUG);
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$imagedata = @file_get_contents($src);
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}
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$r = q("select sum(size) as total from photo where aid = %d and scale = 0 ",
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intval($account_id)
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);
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$limit = service_class_fetch($channel_id,'photo_upload_limit');
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if (($r) && ($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
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$ret['message'] = upgrade_message();
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@unlink($src);
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call_hooks('photo_post_end',$ret);
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return $ret;
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}
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$ph = photo_factory($imagedata, $type);
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if (! $ph->is_valid()) {
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$ret['message'] = t('Unable to process image');
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logger('photo_upload: unable to process image');
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@unlink($src);
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call_hooks('photo_upload_end',$ret);
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return $ret;
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}
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$exif = $ph->orient($src);
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@unlink($src);
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$max_length = get_config('system','max_image_length');
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if (! $max_length)
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$max_length = MAX_IMAGE_LENGTH;
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if ($max_length > 0)
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$ph->scaleImage($max_length);
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$width = $ph->getWidth();
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$height = $ph->getHeight();
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$smallest = 0;
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$photo_hash = (($args['resource_id']) ? $args['resource_id'] : photo_new_resource());
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$visitor = '';
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if ($channel['channel_hash'] !== $observer['xchan_hash'])
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$visitor = $observer['xchan_hash'];
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$errors = false;
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$p = array('aid' => $account_id, 'uid' => $channel_id, 'xchan' => $visitor, 'resource_id' => $photo_hash,
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'filename' => $filename, 'album' => $album, 'scale' => 0, 'photo_flags' => PHOTO_NORMAL,
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'allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
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'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny
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);
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if($args['created'])
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$p['created'] = $args['created'];
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if($args['edited'])
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$p['edited'] = $args['edited'];
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if($args['title'])
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$p['title'] = $args['title'];
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if($args['description'])
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$p['description'] = $args['description'];
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$r1 = $ph->save($p);
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if(! $r1)
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$errors = true;
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if(($width > 640 || $height > 640) && (! $errors)) {
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$ph->scaleImage(640);
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$p['scale'] = 1;
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$r2 = $ph->save($p);
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$smallest = 1;
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if(! $r2)
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$errors = true;
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}
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if(($width > 320 || $height > 320) && (! $errors)) {
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$ph->scaleImage(320);
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$p['scale'] = 2;
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$r3 = $ph->save($p);
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$smallest = 2;
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if(! $r3)
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$errors = true;
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}
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if($errors) {
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q("delete from photo where resource_id = '%s' and uid = %d",
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dbesc($photo_hash),
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intval($channel_id)
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);
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$ret['message'] = t('Photo storage failed.');
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logger('photo_upload: photo store failed.');
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call_hooks('photo_upload_end',$ret);
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return $ret;
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}
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// This will be the width and height of the smallest representation
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$width_x_height = $ph->getWidth() . 'x' . $ph->getHeight();
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$mid = item_message_id();
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// Create item container
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$lat = $lon = null;
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if($exif && $exif['GPS']) {
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if(feature_enabled($channel_id,'photo_location')) {
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$lat = getGps($exif['GPS']['GPSLatitude'], $exif['GPS']['GPSLatitudeRef']);
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$lon = getGps($exif['GPS']['GPSLongitude'], $exif['GPS']['GPSLongitudeRef']);
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}
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}
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$item_flags = ITEM_WALL|ITEM_ORIGIN|ITEM_THREAD_TOP;
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$item_restrict = (($visible) ? ITEM_VISIBLE : ITEM_HIDDEN);
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$title = '';
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$mid = item_message_id();
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$arr = array();
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if($lat && $lon)
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$arr['coord'] = $lat . ' ' . $lon;
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$arr['aid'] = $account_id;
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$arr['uid'] = $channel_id;
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$arr['mid'] = $mid;
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$arr['parent_mid'] = $mid;
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$arr['item_flags'] = $item_flags;
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$arr['item_restrict'] = $item_restrict;
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$arr['resource_type'] = 'photo';
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$arr['resource_id'] = $photo_hash;
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$arr['owner_xchan'] = $channel['channel_hash'];
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$arr['author_xchan'] = $observer['xchan_hash'];
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$arr['title'] = $title;
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$arr['allow_cid'] = $str_contact_allow;
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$arr['allow_gid'] = $str_group_allow;
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$arr['deny_cid'] = $str_contact_deny;
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$arr['deny_gid'] = $str_group_deny;
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$arr['verb'] = ACTIVITY_POST;
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$arr['plink'] = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $arr['mid'];
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// We should also put a width_x_height on large photos. Left as an exercise for
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// devs looking fo simple stuff to fix.
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$larger = feature_enabled($channel['channel_id'], 'large_photos');
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if($larger) {
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$tag = '[zmg]';
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if($r2)
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$smallest = 1;
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else
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$smallest = 0;
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}
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else {
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if ($width_x_height)
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$tag = '[zmg=' . $width_x_height. ']';
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else
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$tag = '[zmg]';
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}
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$arr['body'] = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo_hash . ']'
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. $tag . z_root() . "/photo/{$photo_hash}-{$smallest}.".$ph->getExt() . '[/zmg]'
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. '[/zrl]';
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$result = item_store($arr);
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$item_id = $result['item_id'];
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if($visible)
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proc_run('php', "include/notifier.php", 'wall-new', $item_id);
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$ret['success'] = true;
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$ret['item'] = $arr;
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$ret['body'] = $arr['body'];
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$ret['resource_id'] = $photo_hash;
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$ret['photoitem_id'] = $item_id;
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call_hooks('photo_upload_end',$ret);
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return $ret;
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}
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/**
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* @brief Returns a list with all photo albums observer is allowed to see.
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*
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* Returns an associative array with all albums where observer has permissions.
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*
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* @param array $channel
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* @param array $observer
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* @return bool|array false if no view_photos permission or an array
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* * success (bool)
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* * albums (array)
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*/
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function photos_albums_list($channel, $observer) {
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$channel_id = $channel['channel_id'];
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$observer_xchan = (($observer) ? $observer['xchan_hash'] : '');
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if(! perm_is_allowed($channel_id, $observer_xchan, 'view_photos'))
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return false;
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/** @FIXME create a permissions SQL which works on arbitrary observers and channels, regardless of login or web status */
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$sql_extra = permissions_sql($channel_id);
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$albums = q("SELECT count( distinct resource_id ) as total, album from photo where uid = %d and ( photo_flags = %d or photo_flags = %d ) $sql_extra group by album order by max(created) desc",
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intval($channel_id),
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intval(PHOTO_NORMAL),
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intval(PHOTO_PROFILE)
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);
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// add various encodings to the array so we can just loop through and pick them out in a template
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$ret = array('success' => false);
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if($albums) {
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$ret['success'] = true;
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$ret['albums'] = array();
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foreach($albums as $k => $album) {
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$entry = array(
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'text' => $album['album'],
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'total' => $album['total'],
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'url' => z_root() . '/photos/' . $channel['channel_address'] . '/album/' . bin2hex($album['album']),
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'urlencode' => urlencode($album['album']),
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'bin2hex' => bin2hex($album['album'])
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);
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$ret['albums'][] = $entry;
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}
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}
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return $ret;
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}
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function photos_album_widget($channelx,$observer,$albums = null) {
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$o = '';
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// If we weren't passed an album list, see if the photos module
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// dropped one for us to find in $a->data['albums'].
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// If all else fails, load it.
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if(! $albums) {
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if(array_key_exists('albums', get_app()->data))
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$albums = get_app()->data['albums'];
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else
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$albums = photos_albums_list($channelx,$observer);
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}
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if($albums['success']) {
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$o = replace_macros(get_markup_template('photo_albums.tpl'),array(
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'$nick' => $channelx['channel_address'],
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'$title' => t('Photo Albums'),
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'$albums' => $albums['albums'],
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'$baseurl' => z_root(),
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'$upload' => ((perm_is_allowed($channelx['channel_id'],(($observer) ? $observer['xchan_hash'] : ''),'post_photos'))
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? t('Upload New Photos') : '')
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));
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}
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return $o;
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}
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/**
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* @brief
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*
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* @param array $channel
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* @param array $observer
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* @param string $album default empty
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* @return boolean|array
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*/
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function photos_list_photos($channel, $observer, $album = '') {
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$channel_id = $channel['channel_id'];
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$observer_xchan = (($observer) ? $observer['xchan_hash'] : '');
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if(! perm_is_allowed($channel_id,$observer_xchan,'view_photos'))
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return false;
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$sql_extra = permissions_sql($channel_id);
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if($album)
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$sql_extra .= " and album = '" . protect_sprintf(dbesc($album)) . "' ";
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$ret = array('success' => false);
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$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 ) $sql_extra ",
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intval($channel_id),
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intval(PHOTO_NORMAL),
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intval(PHOTO_PROFILE)
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);
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if($r) {
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for($x = 0; $x < count($r); $x ++) {
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$r[$x]['src'] = z_root() . '/photo/' . $r[$x]['resource_id'] . '-' . $r[$x]['scale'];
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}
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$ret['success'] = true;
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$ret['photos'] = $r;
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}
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return $ret;
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}
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/**
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* @brief Check if given photo album exists in channel.
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*
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* @param int $channel_id id of the channel
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* @param string $album name of the album
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* @return boolean
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*/
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function photos_album_exists($channel_id, $album) {
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$r = q("SELECT id FROM photo WHERE album = '%s' AND uid = %d limit 1",
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dbesc($album),
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intval($channel_id)
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);
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return (($r) ? true : false);
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}
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/**
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* @brief Renames a photo album in a channel.
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*
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* @todo Do we need to check if new album name already exists?
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*
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* @param int $channel_id id of the channel
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* @param string $oldname The name of the album to rename
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* @param string $newname The new name of the album
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* @return bool|array
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*/
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function photos_album_rename($channel_id, $oldname, $newname) {
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return q("UPDATE photo SET album = '%s' WHERE album = '%s' AND uid = %d",
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dbesc($newname),
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dbesc($oldname),
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intval($channel_id)
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);
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}
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/**
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* @brief
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*
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* @param int $channel_id
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* @param string $album
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* @param string $remote_xchan
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* @return string|boolean
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*/
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function photos_album_get_db_idstr($channel_id, $album, $remote_xchan = '') {
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if ($remote_xchan) {
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$r = q("SELECT distinct resource_id as from photo where xchan = '%s' and uid = %d and album = '%s' ",
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dbesc($remote_xchan),
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intval($channel_id),
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dbesc($album)
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);
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} else {
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$r = q("SELECT distinct resource_id from photo where uid = %d and album = '%s' ",
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intval($channel_id),
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dbesc($album)
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);
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}
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if ($r) {
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$arr = array();
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foreach ($r as $rr) {
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$arr[] = "'" . dbesc($rr['resource_id']) . "'" ;
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}
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$str = implode(',',$arr);
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return $str;
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}
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return false;
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}
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/**
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* @brief Creates a new photo item.
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*
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* @param array $channel
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* @param string $creator_hash
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* @param array $photo
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* @param boolean $visible default false
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* @return int item_id
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*/
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function photos_create_item($channel, $creator_hash, $photo, $visible = false) {
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// Create item container
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$item_flags = ITEM_WALL|ITEM_ORIGIN|ITEM_THREAD_TOP;
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$item_restrict = (($visible) ? ITEM_VISIBLE : ITEM_HIDDEN);
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$mid = item_message_id();
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$arr = array();
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$arr['aid'] = $channel['channel_account_id'];
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$arr['uid'] = $channel['channel_id'];
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$arr['mid'] = $mid;
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$arr['parent_mid'] = $mid;
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$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 $item_id;
|
|
}
|
|
|
|
|
|
function getGps($exifCoord, $hemi) {
|
|
|
|
$degrees = count($exifCoord) > 0 ? gps2Num($exifCoord[0]) : 0;
|
|
$minutes = count($exifCoord) > 1 ? gps2Num($exifCoord[1]) : 0;
|
|
$seconds = count($exifCoord) > 2 ? gps2Num($exifCoord[2]) : 0;
|
|
|
|
$flip = ($hemi == 'W' or $hemi == 'S') ? -1 : 1;
|
|
|
|
return floatval($flip * ($degrees + ($minutes / 60) + ($seconds / 3600)));
|
|
}
|
|
|
|
function gps2Num($coordPart) {
|
|
|
|
$parts = explode('/', $coordPart);
|
|
|
|
if (count($parts) <= 0)
|
|
return 0;
|
|
|
|
if (count($parts) == 1)
|
|
return $parts[0];
|
|
|
|
return floatval($parts[0]) / floatval($parts[1]);
|
|
}
|