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< ? php
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/**
* @ file mod / uexport . php
*/
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use Friendica\App ;
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use Friendica\Core\Addon ;
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use Friendica\Core\L10n ;
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use Friendica\Core\Renderer ;
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use Friendica\Core\System ;
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use Friendica\Database\DBA ;
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function uexport_init ( App $a ) {
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if ( ! local_user ()) {
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killme ();
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}
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require_once ( " mod/settings.php " );
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settings_init ( $a );
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}
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function uexport_content ( App $a ) {
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if ( $a -> argc > 1 ) {
header ( " Content-type: application/json " );
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header ( 'Content-Disposition: attachment; filename="' . $a -> user [ 'nickname' ] . '.' . $a -> argv [ 1 ] . '"' );
switch ( $a -> argv [ 1 ]) {
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case " backup " :
uexport_all ( $a );
killme ();
break ;
case " account " :
uexport_account ( $a );
killme ();
break ;
default :
killme ();
}
}
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/**
* options shown on " Export personal data " page
* list of array ( 'link url' , 'link text' , 'help text' )
*/
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$options = [
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[ 'uexport/account' , L10n :: t ( 'Export account' ), L10n :: t ( 'Export your account info and contacts. Use this to make a backup of your account and/or to move it to another server.' )],
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[ 'uexport/backup' , L10n :: t ( 'Export all' ), L10n :: t ( " Export your accout info, contacts and all your items as json. Could be a very big file, and could take a lot of time. Use this to make a full backup of your account \x28 photos are not exported \x29 " )],
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];
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Addon :: callHooks ( 'uexport_options' , $options );
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$tpl = get_markup_template ( " uexport.tpl " );
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return Renderer :: replaceMacros ( $tpl , [
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'$baseurl' => System :: baseUrl (),
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'$title' => L10n :: t ( 'Export personal data' ),
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'$options' => $options
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]);
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}
function _uexport_multirow ( $query ) {
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$result = [];
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$r = q ( $query );
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if ( DBA :: isResult ( $r )) {
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foreach ( $r as $rr ) {
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$p = [];
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foreach ( $rr as $k => $v ) {
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$p [ $k ] = $v ;
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}
$result [] = $p ;
}
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}
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return $result ;
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}
function _uexport_row ( $query ) {
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$result = [];
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$r = q ( $query );
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if ( DBA :: isResult ( $r )) {
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foreach ( $r as $rr ) {
foreach ( $rr as $k => $v ) {
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$result [ $k ] = $v ;
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}
}
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}
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return $result ;
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}
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function uexport_account ( $a ) {
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$user = _uexport_row (
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sprintf ( " SELECT * FROM `user` WHERE `uid` = %d LIMIT 1 " , intval ( local_user ()))
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);
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$contact = _uexport_multirow (
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sprintf ( " SELECT * FROM `contact` WHERE `uid` = %d " , intval ( local_user ()))
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);
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$profile = _uexport_multirow (
sprintf ( " SELECT * FROM `profile` WHERE `uid` = %d " , intval ( local_user ()))
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);
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$photo = _uexport_multirow (
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sprintf ( " SELECT * FROM `photo` WHERE uid = %d AND profile = 1 " , intval ( local_user ()))
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);
foreach ( $photo as & $p ) {
$p [ 'data' ] = bin2hex ( $p [ 'data' ]);
}
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$pconfig = _uexport_multirow (
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sprintf ( " SELECT * FROM `pconfig` WHERE uid = %d " , intval ( local_user ()))
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);
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$group = _uexport_multirow (
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sprintf ( " SELECT * FROM `group` WHERE uid = %d " , intval ( local_user ()))
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);
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$group_member = _uexport_multirow (
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sprintf ( " SELECT `group_member`.`gid`, `group_member`.`contact-id` FROM `group_member` INNER JOIN `group` ON `group`.`id` = `group_member`.`gid` WHERE `group`.`uid` = %d " , intval ( local_user ()))
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);
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$output = [
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'version' => FRIENDICA_VERSION ,
'schema' => DB_UPDATE_VERSION ,
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'baseurl' => System :: baseUrl (),
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'user' => $user ,
'contact' => $contact ,
'profile' => $profile ,
'photo' => $photo ,
'pconfig' => $pconfig ,
'group' => $group ,
'group_member' => $group_member ,
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];
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//echo "<pre>"; var_dump(json_encode($output)); killme();
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echo json_encode ( $output , JSON_PARTIAL_OUTPUT_ON_ERROR );
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}
/**
* echoes account data and items as separated json , one per line
*/
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function uexport_all ( App $a ) {
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uexport_account ( $a );
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echo " \n " ;
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$total = 0 ;
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$r = q ( " SELECT count(*) as `total` FROM `item` WHERE `uid` = %d " ,
intval ( local_user ())
);
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if ( DBA :: isResult ( $r )) {
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$total = $r [ 0 ][ 'total' ];
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}
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// chunk the output to avoid exhausting memory
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for ( $x = 0 ; $x < $total ; $x += 500 ) {
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$item = [];
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$r = q ( " SELECT * FROM `item` WHERE `uid` = %d LIMIT %d, %d " ,
intval ( local_user ()),
intval ( $x ),
intval ( 500 )
);
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$output = [ 'item' => $r ];
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echo json_encode ( $output , JSON_PARTIAL_OUTPUT_ON_ERROR ) . " \n " ;
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}
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}