Dominique Fournier
14e7ccc08f
git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@1871 bf3deb0d-5f1a-0410-827f-c0cc1f45334c
617 lines
25 KiB
PHP
617 lines
25 KiB
PHP
<?php
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/** DomFramework
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@package domframework
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@author Dominique Fournier <dominique@fournier38.fr> */
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require_once ("domframework/dblayer.php");
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/** All the needed functions to authorize or deny access to an authenticated
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user by its groups membership */
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class authzgroups
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{
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public $tableprefix = "";
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private $dbObject = null;
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private $dbGroup = null;
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private $dbGroupMember = null;
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private $dbRight = null;
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public $debug = 0;
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/////////////////////
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// USER RIGHTS //
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/////////////////////
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/** Return an array with all the rights of the user in the module.
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Cache this information to be quicker with next requests
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Remove the entries where path is not at least readable */
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public function userrightsget ($module, $user)
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{
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// if (isset ($_SESSION["domframework"]["authzgroups"][$module][$user]))
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// return $_SESSION["domframework"]["authzgroups"][$module][$user];
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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// Do the SQL request in hard to be more performant on jointures
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$req = "SELECT o.object,MAX(r.right) AS right
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FROM ".$this->tableprefix."authzright AS r,
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".$this->tableprefix."authzobject AS o,
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".$this->tableprefix."authzgroup AS g,
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".$this->tableprefix."authzgroupmember AS gm
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WHERE r.idgroup=g.idgroup AND r.idobject=o.idobject AND gm.idgroup=g.idgroup
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AND gm.user=:user AND g.module=:module
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GROUP BY o.object
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ORDER BY o.object";
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if ($this->debug) echo "$req\n";
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try
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{
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$st = $this->dbObject->db->prepare ($req);
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}
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catch (Exception $e)
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{
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if ($this->dbObject->debug) echo "DEBUG : PREPARE ERROR ! Return FALSE".
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$e->getMessage()."\n";
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throw new Exception ($e->getMessage(), 500);
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}
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$st->bindValue (":user", $user);
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$st->bindValue (":module", $module);
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$rc = $st->execute ();
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if ($rc === false)
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{
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if ($this->dbObject->debug) echo "DEBUG : EXECUTE ERROR ! Return FALSE\n";
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}
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$res = array ();
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while ($d = $st->fetch (PDO::FETCH_ASSOC))
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$res[$d["object"]] = $d["right"];
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// Transform the numerical rights to RO/RW
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foreach ($res as $k=>$r)
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{
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switch ($r)
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{
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case "2": $res[$k] = "RW"; break;
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case "1": $res[$k] = "RO"; break;
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default:
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throw new Exception (dgettext ("domframework",
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"Unknown right stored"), 500);
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}
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}
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if (isset ($_SESSION))
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$_SESSION["domframework"]["authzgroups"][$module][$user] = $res;
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return $res;
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}
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/** Return the right defined for this user in the module for one object */
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public function allow ($module, $user, $object)
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{
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$ressource = $this->userrightsget ($module, $user);
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// The complete tree should not be readable for the user : it can have
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// access to a card, but not to all the cards (group -> reject,
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// group/XXX->allow)
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/*// Limit to allowed trees : if a member of the path is not recorded (is
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// unreadable), return NO.
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// Can be the last entry (the complete object) too
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$path = explode ("/", $object);
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$completePath = "/";
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foreach ($path as $k=>$p)
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{
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if ($k>1)
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$completePath .= "/";
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$completePath .= "$p";
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if (! isset ($ressource[$completePath]))
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{
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if ($this->debug)
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echo "DEBUG allow : REJECT because $completePath is not found\n";
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return "NO";
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}
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}*/
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if (! isset ($ressource[$object]))
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return "NO";
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return $ressource[$object];
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}
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/////////////////////////
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// DATABASE STORAGE //
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/////////////////////////
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/** Connect to the database before using it */
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public function connect ($dsn, $username=null, $password=null,
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$driver_options=null)
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{
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$this->dbObject = new dblayer ($dsn, $username, $password, $driver_options);
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$this->dbObject->debug = $this->debug;
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$this->dbObject->table = "authzobject";
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$this->dbObject->prefix = $this->tableprefix;
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$this->dbObject->fields = array (
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"idobject"=>array ("integer", "not null", "autoincrement"),
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"module"=> array ("varchar", "255", "not null"),
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"object"=> array ("varchar", "255", "not null"),
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"comment"=> array ("varchar", "255"));
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$this->dbObject->primary = "idobject";
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$this->dbObject->unique = array ("idobject", array ("object", "module"));
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$this->dbObject->titles = array ("idobject"=>_("idobject"),
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"module"=>_("Module"),
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"object"=>_("Object"),
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"comment"=>_("Comment"));
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$this->dbGroup = new dblayer ($dsn, $username, $password, $driver_options);
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$this->dbGroup->debug = $this->debug;
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$this->dbGroup->table = "authzgroup";
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$this->dbGroup->prefix = $this->tableprefix;
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$this->dbGroup->fields = array (
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"idgroup"=>array ("integer", "not null", "autoincrement"),
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"module"=> array ("varchar", "255", "not null"),
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"group"=> array ("varchar", "255", "not null"),
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"comment"=>array ("varchar", "255"));
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$this->dbGroup->primary = "idgroup";
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$this->dbGroup->unique = array ("idgroup", array ("module","group"));
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$this->dbGroup->titles = array ("idgroup"=>_("idgroup"),
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"module"=>_("Module"),
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"group"=>_("Group"),
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"comment"=>_("Comment"));
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$this->dbGroupMember = new dblayer ($dsn, $username, $password,
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$driver_options);
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$this->dbGroupMember->debug = $this->debug;
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$this->dbGroupMember->table = "authzgroupmember";
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$this->dbGroupMember->prefix = $this->tableprefix;
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$this->dbGroupMember->fields = array (
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"idgroupmember"=>array ("integer", "not null", "autoincrement"),
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"user"=> array ("varchar", "255", "not null"),
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"idgroup"=> array ("integer", "not null"),
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"comment"=> array ("varchar", "255"));
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$this->dbGroupMember->primary = "idgroupmember";
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$this->dbGroupMember->unique = array ("idgroupmember",
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array ("user","idgroup"));
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$this->dbGroupMember->foreign = array (
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"idgroup"=>array ("authzgroup", "idgroup",
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"ON UPDATE CASCADE ON DELETE CASCADE"));
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$this->dbRight = new dblayer ($dsn, $username, $password, $driver_options);
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$this->dbRight->debug = $this->debug;
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$this->dbRight->table = "authzright";
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$this->dbRight->prefix = $this->tableprefix;
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$this->dbRight->fields = array (
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"idright"=> array ("integer", "not null", "autoincrement"),
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"idgroup"=> array ("integer", "not null"),
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"idobject"=>array ("integer", "not null"),
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"right"=> array ("integer", "not null"), // 1=RO,2=RW
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"comment"=> array ("varchar", "255"));
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$this->dbRight->primary = "idright";
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$this->dbRight->unique = array ("idright", array ("idgroup","idobject"));
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$this->dbRight->foreign = array (
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"idgroup"=> array ("authzgroup", "idgroup",
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"ON UPDATE CASCADE ON DELETE CASCADE"),
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"idobject"=>array ("authzobject", "idobject",
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"ON UPDATE CASCADE ON DELETE CASCADE"),
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);
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return TRUE;
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}
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/** Create the tables in the database to store the datas */
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public function createTables ()
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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if ($this->dbGroupMember == null)
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throw new Exception (dgettext ("domframework",
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"DB for GroupMember is not connected"),
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500);
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if ($this->dbRight == null)
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throw new Exception (dgettext ("domframework",
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"DB for Right is not connected"), 500);
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$tables = array ("Object", "Group", "GroupMember", "Right");
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foreach ($tables as $table)
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{
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try
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{
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$class= "db$table";
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$this->$class->createTable ();
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}
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catch (Exception $e)
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{
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echo $e->getMessage()."\n";
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}
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}
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return TRUE;
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}
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/////////////////
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// OBJECTS //
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/////////////////
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/** Add a new object to object list
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Return the idobject created */
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public function objectAdd ($module, $object, $comment="")
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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// TODO : Check parameters before saving them
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return $this->dbObject->insert (array ("module"=>$module,
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"object"=>$object,
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"comment"=>$comment));
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}
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/** Remove an object from database and all the rights using it */
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public function objectDel ($module, $object)
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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$idobjects = $this->objectRead ($module, $object);
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if (! isset ($idobjects[0]["idobject"]))
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throw new Exception (dgettext ("domframework",
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"Wanted object not found"), 404);
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return $this->dbObject->delete ($idobjects[0]["idobject"]);
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}
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/** Remove an object from database and all the rights using it */
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public function objectDelByID ($module, $idobject)
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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$idobjects = $this->objectReadByID ($module, $idobject);
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if (! isset ($idobjects[0]["idobject"]))
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throw new Exception (dgettext ("domframework",
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"Wanted object not found"), 404);
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return $this->dbObject->delete ($idobjects[0]["idobject"]);
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}
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/** Update an object in the database */
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public function objectUpdate ($module, $object, $newobject, $newcomment="")
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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$idobjects = $this->objectRead ($module, $object);
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if (! isset ($idobjects[0]["idobject"]))
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throw new Exception (dgettext ("domframework",
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"Wanted object not found"), 404);
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return $this->dbObject->update ($idobjects[0]["idobject"],
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array ("object"=>$newobject,
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"comment"=>$newcomment));
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}
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/** Update an object in the database */
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public function objectUpdateByID ($module, $idobject, $newobject,
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$newcomment="")
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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$idobjects = $this->objectReadByID ($module, $idobject);
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if (! isset ($idobjects[0]["idobject"]))
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throw new Exception (dgettext ("domframework",
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"Wanted object not found"), 404);
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return $this->dbObject->update ($idobjects[0]["idobject"],
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array ("object"=>$newobject,
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"comment"=>$newcomment));
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}
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/** Return an array with all the available objects in the module, or only
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one object if $object is provided */
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public function objectRead ($module, $object=null)
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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$select[] = array ("module", $module);
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if ($object !== null)
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$select[] = array ("object", $object);
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return $this->dbObject->read ($select);
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}
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/** Return an array with all the available objects in the module, or only
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one object if $object is provided */
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public function objectReadByID ($module, $idobject=null)
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{
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if ($this->dbObject == null)
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throw new Exception (dgettext ("domframework",
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"DB for Object is not connected"), 500);
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$select[] = array ("module", $module);
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if ($idobject !== null)
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$select[] = array ("idobject", $idobject);
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return $this->dbObject->read ($select);
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}
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/** Return an array containing the titles of the table translating in the user
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language */
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public function objectTitles ()
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{
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return $this->dbObject->titles;
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}
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/** Check if the provided datas are compilant with the object specification
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@return array The errors found in the datas */
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public function objectVerify ($datas, $idobject=false)
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{
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return $this->dbObject->verify ($datas, $idobject);
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}
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////////////////
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// GROUPS //
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////////////////
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/** Add a new group to group list
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Return the idgroup created */
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public function groupAdd ($module, $group, $comment="")
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{
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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// TODO : Check parameters before saving them
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return $this->dbGroup->insert (array ("module"=>$module,
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"group"=>$group,
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"comment"=>$comment));
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}
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/** Remove an group from database and all the rights using it */
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public function groupDel ($module, $group)
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{
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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$idgroups = $this->groupRead ($module, $group);
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if (! isset ($idgroups[0]["idgroup"]))
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throw new Exception (dgettext ("domframework",
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"Wanted group not found"), 404);
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return $this->dbGroup->delete ($idgroups[0]["idgroup"]);
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}
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/** Remove an group from database and all the rights using it */
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public function groupDelByID ($module, $idgroup)
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{
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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$idgroups = $this->groupReadByID ($module, $idgroup);
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if (! isset ($idgroups[0]["idgroup"]))
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throw new Exception (dgettext ("domframework",
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"Wanted group not found"), 404);
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return $this->dbGroup->delete ($idgroups[0]["idgroup"]);
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}
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/** Update an group in the database */
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public function groupUpdate ($module, $group, $newgroup, $comment="")
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{
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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$idgroups = $this->groupRead ($module, $group);
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if (! isset ($idgroups[0]["idgroup"]))
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throw new Exception (dgettext ("domframework",
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"Wanted group not found"), 404);
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return $this->dbGroup->update ($idgroups[0]["idgroup"],
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array ("group"=>$newgroup,
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"comment"=>$comment));
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}
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/** Update an group in the database */
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public function groupUpdateByID ($module, $idgroup, $newgroup, $comment="")
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{
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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$idgroups = $this->groupReadByID ($module, $idgroup);
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if (! isset ($idgroups[0]["idgroup"]))
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throw new Exception (dgettext ("domframework",
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"Wanted group not found"), 404);
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return $this->dbGroup->update ($idgroups[0]["idgroup"],
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array ("group"=>$newgroup,
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"comment"=>$comment));
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}
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/** Return an array with all the available groups in the module */
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public function groupRead ($module, $group=null)
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{
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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$select[] = array ("module", $module);
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if ($group !== null)
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$select[] = array ("group", $group);
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return $this->dbGroup->read ($select);
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}
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public function groupReadByID ($module, $idgroup)
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{
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if ($this->dbGroup == null)
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throw new Exception (dgettext ("domframework",
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"DB for Group is not connected"), 500);
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$select[] = array ("module", $module);
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$select[] = array ("idgroup", $idgroup);
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return $this->dbGroup->read ($select);
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}
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/** Return an array containing the titles of the table translating in the user
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language */
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public function groupTitles ()
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{
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return $this->dbGroup->titles;
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}
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/** Check if the provided datas are compilant with the group specification
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@return array The errors found in the datas */
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public function groupVerify ($datas, $idgroup=false)
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{
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return $this->dbGroup->verify ($datas, $idgroup);
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}
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//////////////////////
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// GROUP MEMBER //
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//////////////////////
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/** Add a new groupmember to groupmember list
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Return the idgroupmember created */
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public function groupmemberAdd ($module, $group, $user, $comment="")
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{
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if ($this->dbGroupMember == null)
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throw new Exception (dgettext ("domframework",
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"DB for GroupMember is not connected"),
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500);
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$groups = $this->groupRead ($module, $group);
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if (! isset ($groups[0]["idgroup"]))
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throw new Exception (dgettext ("domframework",
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"Wanted group not found"), 404);
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return $this->dbGroupMember->insert (array (
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"user"=>$user,
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"idgroup"=>$groups[0]["idgroup"],
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"comment"=>$comment));
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}
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/** Remove an groupmember from database and all the rights using it */
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public function groupmemberDel ($module, $group, $user)
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{
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if ($this->dbGroupMember == null)
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throw new Exception (dgettext ("domframework",
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"DB for GroupMember is not connected"),
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500);
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$groups = $this->groupRead ($module, $group);
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if (! isset ($groups[0]["idgroup"]))
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throw new Exception (dgettext ("domframework",
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"Wanted group not found"), 404);
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$groupsMembers = $this->dbGroupMember->read (array (
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array ("user",$user),
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array ("idgroup",$groups[0]["idgroup"])));
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if (! isset ($groupsMembers[0]["idgroupmember"]))
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throw new Exception (dgettext ("domframework",
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"Wanted GroupMember not found"), 404);
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return $this->dbGroupMember->delete ($groupsMembers[0]["idgroupmember"]);
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}
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|
/** Update an groupmember in the database */
|
|
public function groupmemberUpdate ($module, $group, $user, $comment="")
|
|
{
|
|
die ("This function is not available : contact us if you need it\n");
|
|
}
|
|
|
|
/** Return an array with all the groups where the user is in and in the module
|
|
*/
|
|
public function groupmemberReadUser ($module, $user)
|
|
{
|
|
if ($this->dbGroupMember == null)
|
|
throw new Exception (dgettext ("domframework",
|
|
"DB for GroupMember is not connected"),
|
|
500);
|
|
$idgrouptmps = $this->groupRead ($module);
|
|
// Create an array with idgroup=>group
|
|
$idgroups = array ();
|
|
foreach ($idgrouptmps as $val)
|
|
$idgroups[$val["idgroup"]] = $val["group"];
|
|
$select = array ();
|
|
$select[] = array ("user", $user);
|
|
$idgroupmembers = $this->dbGroupMember->read ($select);
|
|
$res = array ();
|
|
foreach ($idgroupmembers as $idmembers)
|
|
{
|
|
$res[$idmembers["idgroup"]] = $idgroups[$idmembers["idgroup"]];
|
|
}
|
|
return $res;
|
|
}
|
|
|
|
/** Return an array with all the available users in the group and in the
|
|
module */
|
|
public function groupmemberReadGroup ($module, $group)
|
|
{
|
|
if ($this->dbGroupMember == null)
|
|
throw new Exception (dgettext ("domframework",
|
|
"DB for GroupMember is not connected"),
|
|
500);
|
|
$groups = $this->groupRead ($module, $group);
|
|
if (! isset ($groups[0]["idgroup"]))
|
|
throw new Exception (dgettext ("domframework",
|
|
"Wanted group not found"), 404);
|
|
$select[] = array ("idgroup", $groups[0]["idgroup"]);
|
|
return $this->dbGroupMember->read ($select, array ("user"));
|
|
}
|
|
|
|
////////////////
|
|
// RIGHTS //
|
|
////////////////
|
|
/** Add a new right to right list
|
|
Return the idright created */
|
|
public function rightAdd ($module, $group, $object, $right, $comment="")
|
|
{
|
|
if ($this->dbRight == null)
|
|
throw new Exception (dgettext ("domframework",
|
|
"DB for Right is not connected"), 500);
|
|
switch ($right)
|
|
{
|
|
case "RW": $right=2;break;
|
|
case "RO": $right=1;break;
|
|
default:
|
|
throw new Exception (dgettext ("domframework",
|
|
"Unknown right provided (RO/RW only)"),
|
|
500);
|
|
}
|
|
$groups = $this->groupRead ($module, $group);
|
|
if (! isset ($groups[0]["idgroup"]))
|
|
throw new Exception (dgettext ("domframework",
|
|
"Wanted group not found"), 404);
|
|
$objects = $this->objectRead ($module, $object);
|
|
if (! isset ($objects[0]["idobject"]))
|
|
throw new Exception (dgettext ("domframework",
|
|
"Wanted object not found"), 404);
|
|
return $this->dbRight->insert (array ("idgroup"=>$groups[0]["idgroup"],
|
|
"idobject"=>$objects[0]["idobject"],
|
|
"right"=>$right,
|
|
"comment"=>$comment));
|
|
}
|
|
|
|
/** Remove an right from database and all the rights using it */
|
|
public function rightDel ($module, $group, $object)
|
|
{
|
|
if ($this->dbRight == null)
|
|
throw new Exception (dgettext ("domframework",
|
|
"DB for Right is not connected"), 500);
|
|
$idrights = $this->rightRead ($module, $group, $object);
|
|
if (!isset ($idrights[0]["idright"]))
|
|
throw new Exception (dgettext ("domframework",
|
|
"Wanted right not found"), 404);
|
|
return $this->dbRight->delete ($idrights[0]["idright"]);
|
|
}
|
|
|
|
/** Update an right in the database */
|
|
public function rightUpdate ($module, $group, $object, $newright,
|
|
$newcomment="")
|
|
{
|
|
if ($this->dbRight == null)
|
|
throw new Exception (dgettext ("domframework",
|
|
"DB for Right is not connected"), 500);
|
|
switch ($newright)
|
|
{
|
|
case "RW": $newright=2;break;
|
|
case "RO": $newright=1;break;
|
|
default:
|
|
throw new Exception (dgettext ("domframework",
|
|
"Unknown right provided (RO/RW only)"),
|
|
500);
|
|
}
|
|
$idrights = $this->rightRead ($module, $group, $object);
|
|
if (!isset ($idrights[0]["idright"]))
|
|
throw new Exception (dgettext ("domframework",
|
|
"Wanted right not found"), 404);
|
|
return $this->dbRight->update ($idrights[0]["idright"],
|
|
array ("right"=>$newright,
|
|
"comment"=>$newcomment));
|
|
}
|
|
|
|
/** Return an array with all the available rights in the module, or the
|
|
right if provided */
|
|
public function rightRead ($module, $group, $object)
|
|
{
|
|
if ($this->dbRight == null)
|
|
throw new Exception (dgettext ("domframework",
|
|
"DB for Right is not connected"), 500);
|
|
$groups = $this->groupRead ($module, $group);
|
|
if (! isset ($groups[0]["idgroup"]))
|
|
throw new Exception (dgettext ("domframework",
|
|
"Wanted group not found"), 404);
|
|
$objects = $this->objectRead ($module, $object);
|
|
if (! isset ($objects[0]["idobject"]))
|
|
throw new Exception (dgettext ("domframework",
|
|
"Wanted object not found"), 404);
|
|
$select[] = array ("idgroup",$groups[0]["idgroup"]);
|
|
$select[] = array ("idobject",$objects[0]["idobject"]);
|
|
return $this->dbRight->read ($select);
|
|
}
|
|
}
|