MDL-32353 backup: Flaw in settings logic for user info and anonymise
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@@ -168,9 +168,9 @@ abstract class backup_check {
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$hasusercap = has_capability('moodle/backup:userinfo', $coursectx, $userid);
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// If setting is enabled but user lacks permission
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if (!$hasusercap && $prevvalue) { // If user has not the capability and setting is enabled
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if (!$hasusercap) { // If user has not the capability
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// Now analyse if we are allowed to apply changes or must stop with exception
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if (!$apply) { // Cannot apply changes, throw exception
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if (!$apply && $prevvalue) { // Cannot apply changes and the value is set, throw exception
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$a = new stdclass();
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$a->setting = 'users';
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$a->value = $prevvalue;
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@@ -178,7 +178,12 @@ abstract class backup_check {
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throw new backup_controller_exception('backup_setting_value_wrong_for_capability', $a);
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} else { // Can apply changes
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$userssetting->set_value(false); // Set the value to false
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// If it is already false, we don't want to try and set it again, because if it is
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// already locked, and exception will occur. The side benifit is if it is true and locked
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// we will get an exception...
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if ($prevvalue) {
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$userssetting->set_value(false); // Set the value to false
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}
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$userssetting->set_status(base_setting::LOCKED_BY_PERMISSION);// Set the status to locked by perm
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}
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}
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@@ -191,9 +196,9 @@ abstract class backup_check {
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$hasanoncap = has_capability('moodle/backup:anonymise', $coursectx, $userid);
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// If setting is enabled but user lacks permission
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if (!$hasanoncap && $prevvalue) { // If user has not the capability and setting is enabled
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if (!$hasanoncap) { // If user has not the capability
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// Now analyse if we are allowed to apply changes or must stop with exception
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if (!$apply) { // Cannot apply changes, throw exception
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if (!$apply && $prevvalue) { // Cannot apply changes and the value is set, throw exception
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$a = new stdclass();
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$a->setting = 'anonymize';
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$a->value = $prevvalue;
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@@ -201,7 +206,9 @@ abstract class backup_check {
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throw new backup_controller_exception('backup_setting_value_wrong_for_capability', $a);
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} else { // Can apply changes
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$anonsetting->set_value(false); // Set the value to false
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if ($prevvalue) { // If we try and set it back to false and it has already been locked, error will occur
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$anonsetting->set_value(false); // Set the value to false
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}
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$anonsetting->set_status(base_setting::LOCKED_BY_PERMISSION);// Set the status to locked by perm
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}
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}
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