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Additional user group sharing support and more clean-up in the constructor

This commit is contained in:
Michael Gapczynski 2011-08-15 17:37:16 -04:00
parent 5cb687d168
commit 5b09aef166
2 changed files with 59 additions and 46 deletions
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6
apps/files_sharing/ajax/share.php
View File

@ -11,11 +11,7 @@ foreach ($sources as $source) {
if ($source && OC_FILESYSTEM::file_exists($source) && OC_FILESYSTEM::is_readable($source)) {
$source = "/".OC_User::getUser()."/files".$source;
try {
if (OC_Group::groupExists($uid_shared_with)) {
new OC_Share($source, $uid_shared_with, $permissions, true);
} else {
new OC_Share($source, $uid_shared_with, $permissions);
}
new OC_Share($source, $uid_shared_with, $permissions);
} catch (Exception $exception) {
echo "false";
}

99
apps/files_sharing/lib_share.php
View File

@ -37,34 +37,28 @@ class OC_Share {
* @param $uid_shared_with The user or group to share the item with
* @param $permissions The permissions, use the constants WRITE and DELETE
*/
public function __construct($source, $uid_shared_with, $permissions, $group = false) {
public function __construct($source, $uid_shared_with, $permissions) {
$uid_owner = OC_User::getUser();
if ($group) {
if (OC_Group::groupExists($uid_shared_with)) {
$gid = $uid_shared_with;
$uid_shared_with = OC_Group::usersInGroup($gid);
// Remove the owner from the list of users in the group, users can only share files with groups they belong to
$uid_shared_with = array_diff($uid_shared_with, array($uid_owner));
} else {
throw new Exception("$uid_shared_with is not a group");
}
if (OC_Group::groupExists($uid_shared_with)) {
$gid = $uid_shared_with;
$uid_shared_with = OC_Group::usersInGroup($gid);
// Remove the owner from the list of users in the group
$uid_shared_with = array_diff($uid_shared_with, array($uid_owner));
} else if (OC_User::userExists($uid_shared_with)) {
$gid = null;
$uid_shared_with = array($uid_shared_with);
} else {
if (OC_User::userExists($uid_shared_with)) {
$gid = null;
$uid_shared_with = array($uid_shared_with);
} else {
throw new Exception("$uid_shared_with is not a user");
}
throw new Exception($uid_shared_with." is not a user");
}
foreach ($uid_shared_with as $uid) {
// Check if this item is already shared with the user
$checkSource = OC_DB::prepare("SELECT source FROM *PREFIX*sharing WHERE source = ? AND uid_shared_with = ?");
$checkSource = OC_DB::prepare("SELECT source FROM *PREFIX*sharing WHERE source = ? AND uid_shared_with ".self::getUsersAndGroups($uid));
$resultCheckSource = $checkSource->execute(array($source, $uid))->fetchAll();
// TODO Check if the source is inside a folder
if (count($resultCheckSource) > 0) {
throw new Exception("This item is already shared with $uid");
if (count($resultCheckSource) > 0 && !isset($gid)) {
throw new Exception("This item is already shared with ".$uid);
}
// Check if target already exists for the user, if it does append a number to the name
// Check if the target already exists for the user, if it does append a number to the name
$target = "/".$uid."/files/Share/".basename($source);
if (self::getSource($target)) {
if ($pos = strrpos($target, ".")) {
@ -100,15 +94,36 @@ class OC_Share {
}
/**
* Get the user and the user's groups and put them into an array
* @return An array to be used by the IN operator in a query for uid_shared_with
* Generate a string to be used for searching for uid_shared_with that handles both users and groups
* @param $uid (Optional) The uid to get the user groups for, a gid to get the users in a group, or if not set the current user
* @return An IN operator as a string
*/
private static function getUserAndGroups() {
$self = OC_User::getUser();
$in = " IN('".$self."'";
$groups = OC_Group::getUserGroups($self);
foreach ($groups as $group) {
$in .= ", '".$self."@".$group."'";
private static function getUsersAndGroups($uid = null) {
$in = " IN(";
if (isset($uid) && OC_Group::groupExists($uid)) {
$users = OC_Group::usersInGroup($uid);
foreach ($users as $user) {
// Add a comma only if the the current element isn't the last
if ($user !== end($users)) {
$in .= "'".$user."@".$uid."', ";
} else {
$in .= "'".$user."@".$uid."'";
}
}
} else if (isset($uid)) {
// TODO Check if this is necessary, only constructor needs it as IN. It would be better for other queries to just return =$uid
$in = "'".$uid."'";
$groups = OC_Group::getUserGroups($uid);
foreach ($groups as $group) {
$in .= ", '".$uid."@".$group."'";
}
} else {
$uid = OC_User::getUser();
$in .= "'".$uid."'";
$groups = OC_Group::getUserGroups($uid);
foreach ($groups as $group) {
$in .= ", '".$uid."@".$group."'";
}
}
$in .= ")";
return $in;
@ -175,7 +190,7 @@ class OC_Share {
$folder .= "/";
}
$length = strlen($folder);
$query = OC_DB::prepare("SELECT uid_owner, source, target FROM *PREFIX*sharing WHERE SUBSTR(source, 1, ?) = ? OR SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUserAndGroups()." ");
$query = OC_DB::prepare("SELECT uid_owner, source, target FROM *PREFIX*sharing WHERE SUBSTR(source, 1, ?) = ? OR SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUsersAndGroups());
return $query->execute(array($length, $folder, $length, $folder))->fetchAll();
}
@ -186,16 +201,18 @@ class OC_Share {
*/
public static function getParentFolders($target) {
$target = self::cleanPath($target);
$query = OC_DB::prepare("SELECT source FROM *PREFIX*sharing WHERE target = ? AND uid_shared_with".self::getUserAndGroups()." LIMIT 1");
$query = OC_DB::prepare("SELECT source FROM *PREFIX*sharing WHERE target = ? AND uid_shared_with".self::getUsersAndGroups()." LIMIT 1");
// Prevent searching for user directory e.g. '/MTGap/files'
$userDirectory = substr($target, 0, strpos($target, "files") + 5);
$target = dirname($target);
$result = array();
while ($target != "" && $target != "/" && $target != "." && $target != $userDirectory) {
// Check if the parent directory of this target location is shared
$target = dirname($target);
$result = $query->execute(array($target))->fetchAll();
if (count($result) > 0) {
break;
}
$target = dirname($target);
}
if (count($result) > 0) {
// Return both the source folder and the target folder
@ -212,7 +229,7 @@ class OC_Share {
*/
public static function getSource($target) {
$target = self::cleanPath($target);
$query = OC_DB::prepare("SELECT source FROM *PREFIX*sharing WHERE target = ? AND uid_shared_with ".self::getUserAndGroups()." LIMIT 1");
$query = OC_DB::prepare("SELECT source FROM *PREFIX*sharing WHERE target = ? AND uid_shared_with ".self::getUsersAndGroups()." LIMIT 1");
$result = $query->execute(array($target))->fetchAll();
if (count($result) > 0) {
return $result[0]['source'];
@ -233,7 +250,7 @@ class OC_Share {
*/
public static function getPermissions($target) {
$target = self::cleanPath($target);
$query = OC_DB::prepare("SELECT permissions FROM *PREFIX*sharing WHERE target = ? AND uid_shared_with ".self::getUserAndGroups()." LIMIT 1");
$query = OC_DB::prepare("SELECT permissions FROM *PREFIX*sharing WHERE target = ? AND uid_shared_with ".self::getUsersAndGroups()." LIMIT 1");
$result = $query->execute(array($target))->fetchAll();
if (count($result) > 0) {
return $result[0]['permissions'];
@ -273,8 +290,8 @@ class OC_Share {
public static function setTarget($oldTarget, $newTarget) {
$oldTarget = self::cleanPath($oldTarget);
$newTarget = self::cleanPath($newTarget);
$query = OC_DB::prepare("UPDATE *PREFIX*sharing SET target = REPLACE(target, ?, ?) WHERE uid_shared_with = ?");
$query->execute(array($oldTarget, $newTarget, OC_User::getUser()));
$query = OC_DB::prepare("UPDATE *PREFIX*sharing SET target = REPLACE(target, ?, ?) WHERE uid_shared_with ".self::getUsersAndGroups());
$query->execute(array($oldTarget, $newTarget));
}
/**
@ -288,8 +305,8 @@ class OC_Share {
*/
public static function setPermissions($source, $uid_shared_with, $permissions) {
$source = self::cleanPath($source);
$query = OC_DB::prepare("UPDATE *PREFIX*sharing SET permissions = ? WHERE SUBSTR(source, 1, ?) = ? AND uid_shared_with = ? AND uid_owner = ?");
$query->execute(array($permissions, strlen($source), $source, $uid_shared_with, OC_User::getUser()));
$query = OC_DB::prepare("UPDATE *PREFIX*sharing SET permissions = ? WHERE SUBSTR(source, 1, ?) = ? AND uid_owner = ? AND uid_shared_with ".self::getUsersAndGroups($uid_shared_with));
$query->execute(array($permissions, strlen($source), $source, OC_User::getUser()));
}
/**
@ -302,8 +319,8 @@ class OC_Share {
*/
public static function unshare($source, $uid_shared_with) {
$source = self::cleanPath($source);
$query = OC_DB::prepare("DELETE FROM *PREFIX*sharing WHERE SUBSTR(source, 1, ?) = ? AND uid_shared_with = ? AND uid_owner = ?");
$query->execute(array(strlen($source), $source, $uid_shared_with, OC_User::getUser()));
$query = OC_DB::prepare("DELETE FROM *PREFIX*sharing WHERE SUBSTR(source, 1, ?) = ? AND uid_owner = ? AND uid_shared_with ".self::getUsersAndGroups($uid_shared_with));
$query->execute(array(strlen($source), $source, OC_User::getUser()));
}
/**
@ -315,8 +332,8 @@ class OC_Share {
*/
public static function unshareFromMySelf($target) {
$target = self::cleanPath($target);
$query = OC_DB::prepare("DELETE FROM *PREFIX*sharing WHERE SUBSTR(target, 1, ?) = ? AND uid_shared_with = ?");
$query->execute(array(strlen($target), $target, OC_User::getUser()));
$query = OC_DB::prepare("DELETE FROM *PREFIX*sharing WHERE SUBSTR(target, 1, ?) = ? AND uid_shared_with ".self::getUsersAndGroups());
$query->execute(array(strlen($target), $target));
}
/**