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<?php
if (isset($db))
return;
class MyDB extends SQLite3 {
function __construct() {
parent::__construct('/srv/http/vhosts/eckner.net/colocation.eckner.net/backend/sqlite.db');
}
function exec($query) {
$result = parent::exec($query);
if (!$result)
die();
return $result;
}
function query($query) {
$result = parent::query($query);
if (!$result)
die();
return $result;
}
function prepare($query) {
$result = parent::prepare($query);
if (!$result)
die();
return $result;
}
function get_state_id($state) {
$stm = $this -> prepare('SELECT states.id AS state_id FROM states WHERE states.name = :state');
$stm -> bindValue('state', $state);
$result = $stm -> execute();
if (! $result)
die();
$result = $result -> fetchArray();
if (! $result)
die();
return $result['state_id'];
}
function add_key($comment, $key = NULL) {
$stm = $this -> prepare('INSERT INTO keys (key, comment) VALUES (:key, :comment)');
if ($key == NULL)
$stm -> bindValue('key', bin2hex(random_bytes(64)));
else
$stm -> bindValue('key', $key);
$stm -> bindValue('comment', $comment);
$stm -> execute();
$key_id = $this -> lastInsertRowID();
$stm -> close();
return $key_id;
}
function get_machine_id($machine) {
$stm = $this -> prepare('SELECT machines.id AS machine_id FROM machines WHERE machines.name=:name');
$stm -> bindValue('name', $machine);
$result = $stm -> execute();
$result = $result -> fetchArray();
$stm -> close();
if (! $result)
return NULL;
else
return $result['machine_id'];
}
function get_machines() {
$result = $this -> query('SELECT machines.id AS machine_id, machines.name AS machine FROM machines');
$return = array();
while ($row = $result -> fetchArray())
$return[] = $row;
return $return;
}
function add_machine($machine) {
$stm = $this -> prepare('SELECT COUNT(1) FROM machines WHERE machines.name=:name');
$stm -> bindValue('name', $machine);
$result = $stm -> execute();
$result = $result -> fetchArray();
$stm -> close();
if ($result[0] == 0) {
$stm = $this -> prepare('INSERT INTO machines (name) VALUES (:machine)');
$stm -> bindValue('machine', $machine);
$stm -> execute();
$machine_id = $this -> lastInsertRowID();
$stm -> close();
$stm = $this -> prepare(
'INSERT INTO "values" (machine_id, state_id) VALUES (:machine, :state)'
);
$stm -> bindValue('machine', $machine_id);
$result = $this -> query(
'SELECT states.name, states.id FROM states'
);
while ($row = $result -> fetchArray()) {
if ($row['name'] == 'running')
$running_id = $row['id'];
$stm -> bindValue('state', $row['id']);
$stm -> execute();
}
$stm -> close();
$this -> add_key_for($machine_id, $running_id, 'self');
}
}
function get_value_id_of($machine, $state) {
if (is_int($machine) && is_int($state)) {
$stm = $this -> prepare(
'SELECT "values".id as value_id FROM "values"' .
' WHERE "values".state_id = :state_id' .
' AND "values".machine_id = :machine_id'
);
$stm -> bindValue('state_id', $state);
$stm -> bindValue('machine_id', $machine);
} else {
$stm = $this -> prepare(
'SELECT "values".id as value_id FROM "values"' .
' JOIN states ON states.id = "values".state_id' .
' JOIN machines ON machines.id = "values".machine_id' .
' WHERE states.name = :state' .
' AND machines.name = :machine'
);
$stm -> bindValue('state', $state);
$stm -> bindValue('machine', $machine);
}
$result = $stm -> execute();
if (!$result)
die();
$result = $result -> fetchArray();
if (!$result)
die();
$stm -> close();
return $result['value_id'];
}
function add_key_for($machine, $state, $comment) {
$key_id = $this -> add_key($comment);
$value_id = $this -> get_value_id_of($machine, $state);
$stm = $this -> prepare(
'INSERT INTO permissions (key_id, value_id) VALUES (:key,:value)');
$stm -> bindValue('value', $value_id);
$stm -> bindValue('key', $key_id);
$stm -> execute();
$stm -> close();
}
}
$db = new MyDB();
if(!$db) {
echo $db->lastErrorMsg();
die();
}
|
