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Replaced the generation of the appointment hash with the use of CodeIgniter's random_string method, in order to avoid collisions (#986).

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Alex Tselegidis 2021-01-21 14:10:13 +01:00
parent 7c9137f69d
commit 120421b3af
1 changed files with 2 additions and 15 deletions
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17
application/models/Appointments_model.php
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@ -24,6 +24,7 @@ class Appointments_model extends EA_Model {
{ {
parent::__construct(); parent::__construct();
$this->load->helper('data_validation'); $this->load->helper('data_validation');
$this->load->helper('string');
} }
/** /**
@ -153,7 +154,7 @@ class Appointments_model extends EA_Model {
protected function insert($appointment) protected function insert($appointment)
{ {
$appointment['book_datetime'] = date('Y-m-d H:i:s'); $appointment['book_datetime'] = date('Y-m-d H:i:s');
$appointment['hash'] = $this->generate_hash(); $appointment['hash'] = random_string('alnum', 12);
if ( ! $this->db->insert('appointments', $appointment)) if ( ! $this->db->insert('appointments', $appointment))
{ {
@ -163,20 +164,6 @@ class Appointments_model extends EA_Model {
return (int)$this->db->insert_id(); return (int)$this->db->insert_id();
} }
/**
* Generate a unique hash for the given appointment data.
*
* This method uses the current date-time to generate a unique hash string that is later used to identify this
* appointment. Hash is needed when the email is send to the user with an edit link.
*
* @return string Returns the unique appointment hash.
*/
public function generate_hash()
{
$current_date = new DateTime();
return md5($current_date->getTimestamp());
}
/** /**
* Update an existing appointment record in the database. * Update an existing appointment record in the database.
* *