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only let visitors remove their own files.

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This commit is contained in:
friendica
2014-01-09 19:20:10 -08:00
parent 49882f2be4
commit a309bc0d47
5 changed files with 35 additions and 12 deletions
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20
include/attach.php
View File

@@ -237,7 +237,7 @@ function attach_by_hash_nodata($hash,$rev = 0) {
// Now we'll see if we can access the attachment
$r = q("select id, aid, uid, hash, filename, filetype, filesize, revision, folder, flags, created, edited, allow_cid, allow_gid, deny_cid, deny_gid from attach where uid = %d and hash = '%s' $sql_extra limit 1",
$r = q("select id, aid, uid, hash, creator, filename, filetype, filesize, revision, folder, flags, created, edited, allow_cid, allow_gid, deny_cid, deny_gid from attach where uid = %d and hash = '%s' $sql_extra limit 1",
intval($r[0]['uid']),
dbesc($hash)
);
@@ -358,11 +358,12 @@ function attach_store($channel,$observer_hash,$options = '',$arr = null) {
);
}
elseif($options === 'revise') {
$r = q("insert into attach ( aid, uid, hash, filename, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
$r = q("insert into attach ( aid, uid, hash, creator, filename, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
intval($x[0]['aid']),
intval($channel_id),
dbesc($x[0]['hash']),
dbesc(get_observer_hash()),
dbesc($filename),
dbesc($mimetype),
intval($filesize),
@@ -393,11 +394,12 @@ function attach_store($channel,$observer_hash,$options = '',$arr = null) {
}
else {
$r = q("INSERT INTO attach ( aid, uid, hash, filename, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid,deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
$r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid,deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
intval($channel['channel_account_id']),
intval($channel_id),
dbesc($hash),
dbesc(get_observer_hash()),
dbesc($filename),
dbesc($mimetype),
intval($filesize),
@@ -422,7 +424,7 @@ function attach_store($channel,$observer_hash,$options = '',$arr = null) {
// Caution: This re-uses $sql_options set further above
$r = q("select id, aid, uid, hash, filename, filetype, filesize, revision, folder, flags, created, edited, allow_cid, allow_gid, deny_cid, deny_gid from attach where uid = %d and hash = '%s' $sql_options limit 1",
$r = q("select id, aid, uid, hash, creator, filename, filetype, filesize, revision, folder, flags, created, edited, allow_cid, allow_gid, deny_cid, deny_gid from attach where uid = %d and hash = '%s' $sql_options limit 1",
intval($channel_id),
dbesc($hash)
);
@@ -482,7 +484,7 @@ function z_readdir($channel_id,$observer_hash,$pathname, $parent_hash = '') {
else
$paths = array($pathname);
$r = q("select id, aid, uid, hash, filename, filetype, filesize, revision, folder, flags, created, edited, allow_cid, allow_gid, deny_cid, deny_gid from attach where id = %d and folder = '%s' and filename = '%s' and (flags & %d ) " . permissions_sql($channel_id),
$r = q("select id, aid, uid, hash, creator, filename, filetype, filesize, revision, folder, flags, created, edited, allow_cid, allow_gid, deny_cid, deny_gid from attach where id = %d and folder = '%s' and filename = '%s' and (flags & %d ) " . permissions_sql($channel_id),
intval($channel_id),
dbesc($parent_hash),
dbesc($paths[0]),
@@ -599,11 +601,12 @@ function attach_mkdir($channel,$observer_hash,$arr = null) {
$created = datetime_convert();
$r = q("INSERT INTO attach ( aid, uid, hash, filename, filetype, filesize, revision, folder, flags, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
$r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, filetype, filesize, revision, folder, flags, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
intval($channel['channel_account_id']),
intval($channel_id),
dbesc($arr['hash']),
dbesc(get_observer_hash()),
dbesc($arr['filename']),
dbesc('multipart/mixed'),
intval(0),
@@ -690,6 +693,7 @@ function attach_delete($channel_id,$resource) {
intval($channel_id)
);
if(! $r)
return;

12
include/reddav.php
View File

@@ -115,11 +115,12 @@ class RedDirectory extends DAV\Node implements DAV\ICollection {
$filesize = 0;
$hash = random_string();
$r = q("INSERT INTO attach ( aid, uid, hash, filename, folder, flags, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
$r = q("INSERT INTO attach ( aid, uid, hash, creator, filename, folder, flags, filetype, filesize, revision, data, created, edited, allow_cid, allow_gid, deny_cid, deny_gid )
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
intval($c[0]['channel_account_id']),
intval($c[0]['channel_id']),
dbesc($hash),
dbesc($this->auth->observer),
dbesc($name),
dbesc($this->folder_hash),
dbesc(ATTACH_FLAG_OS),
@@ -415,6 +416,13 @@ class RedFile extends DAV\Node implements DAV\IFile {
return;
}
if($this->auth->owner_id !== $this->auth->channel_id) {
if(($this->auth->observer !== $this->data['creator']) || ($this->data['flags'] & ATTACH_FLAG_DIR)) {
throw new DAV\Exception\Forbidden('Permission denied.');
return;
}
}
attach_delete($this->auth->owner_id,$this->data['hash']);
}