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api calls to fetch file (attach) meta data and to chunk file content fetching which will eventually allow us to clone large videos without hitting memory limits

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This commit is contained in:
redmatrix 2015-11-04 19:49:41 -08:00
parent 5f1ccc25b6
commit 1213893a71
1 changed files with 57 additions and 0 deletions
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57
include/api.php
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@ -652,6 +652,63 @@ require_once('include/attach.php');
api_register_func('api/red/file', 'api_file_detail', true);
function api_file_meta(&$a,$type) {
if (api_user()===false) return false;
if(! $_REQUEST['file_id']) return false;
$r = q("select * from attach where uid = %d and hash = '%s' limit 1",
intval(api_user()),
dbesc($_REQUEST['file_id'])
);
if($r) {
unset($r[0]['data']);
$ret = array('attach' => $r[0]);
json_return_and_die($ret);
}
killme();
}
api_register_func('api/red/filemeta', 'api_file_meta', true);
function api_file_data(&$a,$type) {
if (api_user()===false) return false;
if(! $_REQUEST['file_id']) return false;
$start = (($_REQUEST['start']) ? intval($_REQUEST['start']) : 0);
$length = (($_REQUEST['length']) ? intval($_REQUEST['length']) : 0);
$r = q("select * from attach where uid = %d and hash = '%s' limit 1",
intval(api_user()),
dbesc($_REQUEST['file_id'])
);
if($r) {
if($r[0]['is_dir'])
$r[0]['data'] = '';
elseif(! intval($r[0]['os_storage'])) {
$r[0]['start'] = $start;
$x = substr(dbunescbin($r[0]['data'],$start,$length));
$r[0]['length'] = strlen($x);
$r[0]['data'] = base64_encode($x);
}
else {
$fp = fopen(dbunescbin($r[0]['data'],'r'));
if($fp) {
$seek = fseek($fp,$start,SEEK_SET);
$x = fread($fp,$length);
$r[0]['start'] = $start;
$r[0]['length'] = strlen($x);
$r[0]['data'] = base64_encode($x);
}
}
$ret = array('attach' => $r[0]);
json_return_and_die($ret);
}
killme();
}
api_register_func('api/red/filedata', 'api_file_data', true);
function api_albums(&$a,$type) {
json_return_and_die(photos_albums_list($a->get_channel(),$a->get_observer()));
}