|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Install, update and uninstall functions for the Field Permissions module.
|
|
6
|
*/
|
|
7
|
|
|
8
|
/**
|
|
9
|
* Implements hook_install().
|
|
10
|
*/
|
|
11
|
function field_permissions_install() {
|
|
12
|
// Set a larger weight for the module.
|
|
13
|
db_update('system')
|
|
14
|
->fields(array('weight' => 50))
|
|
15
|
->condition('name', 'field_permissions')
|
|
16
|
->execute();
|
|
17
|
}
|
|
18
|
|
|
19
|
/**
|
|
20
|
* Sets a larger weight for the module so that the Field Permissions become available.
|
|
21
|
*/
|
|
22
|
function field_permissions_update_7000(&$sandbox) {
|
|
23
|
db_update('system')
|
|
24
|
->fields(array('weight' => 50))
|
|
25
|
->condition('name', 'field_permissions')
|
|
26
|
->execute();
|
|
27
|
}
|
|
28
|
|
|
29
|
/**
|
|
30
|
* Migrate field permission settings to the new system (public/private/custom).
|
|
31
|
*/
|
|
32
|
function field_permissions_update_7001() {
|
|
33
|
foreach (field_info_fields() as $field_name => $field) {
|
|
34
|
// If the field has any field permissions enabled, it will be using custom
|
|
35
|
// permissions under the new system and needs to be converted. Otherwise,
|
|
36
|
// it is a public field (the default) and can be ignored.
|
|
37
|
if (!empty($field['settings']['field_permissions']) && array_filter($field['settings']['field_permissions'])) {
|
|
38
|
// Set the type to FIELD_PERMISSIONS_CUSTOM. (The module may be disabled
|
|
39
|
// when this update function runs, so we need to use the numeric value
|
|
40
|
// rather than relying on the constant being defined.)
|
|
41
|
$field['field_permissions']['type'] = 2;
|
|
42
|
|
|
43
|
$field_permissions = $field['settings']['field_permissions'];
|
|
44
|
$permissions_by_operation = array(
|
|
45
|
// View-related permissions.
|
|
46
|
array(
|
|
47
|
'view' => "view $field_name",
|
|
48
|
'view own' => "view own $field_name",
|
|
49
|
),
|
|
50
|
// Edit-related permissions.
|
|
51
|
array(
|
|
52
|
'create' => "create $field_name",
|
|
53
|
'edit' => "edit $field_name",
|
|
54
|
'edit own' => "edit own $field_name",
|
|
55
|
),
|
|
56
|
);
|
|
57
|
|
|
58
|
// Loop through each type of operation (view or edit).
|
|
59
|
foreach ($permissions_by_operation as $permissions) {
|
|
60
|
$actions = array_keys($permissions);
|
|
61
|
// If none of the related permissions were enabled, all users were
|
|
62
|
// allowed to perform the relevant actions on this field, so we need to
|
|
63
|
// assign permissions here to preserve that behavior.
|
|
64
|
$has_enabled_permissions = (bool) array_filter(array_intersect_key($field_permissions, array_flip($actions)));
|
|
65
|
if (!$has_enabled_permissions) {
|
|
66
|
_update_7000_user_role_grant_permissions(DRUPAL_ANONYMOUS_RID, $permissions, 'field_permissions');
|
|
67
|
_update_7000_user_role_grant_permissions(DRUPAL_AUTHENTICATED_RID, $permissions, 'field_permissions');
|
|
68
|
}
|
|
69
|
// Otherwise, for each permission that was disabled, no users should be
|
|
70
|
// allowed to perform that action; therefore, make sure to unassign any
|
|
71
|
// (stale) permissions that they may have.
|
|
72
|
else {
|
|
73
|
foreach ($actions as $action) {
|
|
74
|
if (empty($field_permissions[$action])) {
|
|
75
|
if ($action != 'create') {
|
|
76
|
$permission = $permissions[$action];
|
|
77
|
$rids = array_keys(user_roles(FALSE, $permission));
|
|
78
|
foreach ($rids as $rid) {
|
|
79
|
user_role_revoke_permissions($rid, array($permission));
|
|
80
|
}
|
|
81
|
}
|
|
82
|
// The 'create' action needs special handling, since previously,
|
|
83
|
// if create permissions were not enabled the code would have
|
|
84
|
// fallen back on checking edit permissions. Now, though, create
|
|
85
|
// permissions are always enabled (and always checked when an
|
|
86
|
// entity is being created). Therefore, we need to figure out
|
|
87
|
// what the fallback would have been and assign new create
|
|
88
|
// permissions based on that.
|
|
89
|
else {
|
|
90
|
$rids_with_create_access = array();
|
|
91
|
// The first fallback is edit permissions; if those are
|
|
92
|
// enabled, any role with edit permission would have been
|
|
93
|
// granted access.
|
|
94
|
if (!empty($field_permissions['edit'])) {
|
|
95
|
$rids_with_create_access = array_keys(user_roles(FALSE, $permissions['edit']));
|
|
96
|
}
|
|
97
|
// The final fallback is 'edit own' permissions; if those are
|
|
98
|
// enabled, any role with 'edit own' permission would have been
|
|
99
|
// granted access. (It is additionally required that the entity
|
|
100
|
// being checked is owned by the current user, but in the case
|
|
101
|
// of nodes being created that will always be the case anyway,
|
|
102
|
// and nodes are the only entities we need to support for the
|
|
103
|
// D6-to-D7 upgrade.)
|
|
104
|
if (!empty($field_permissions['edit own'])) {
|
|
105
|
$rids_with_create_access = array_unique(array_merge($rids_with_create_access, array_keys(user_roles(FALSE, $permissions['edit own']))));
|
|
106
|
}
|
|
107
|
// Assign create permissions to all the relevant roles.
|
|
108
|
foreach ($rids_with_create_access as $rid) {
|
|
109
|
_update_7000_user_role_grant_permissions($rid, array($permissions['create']), 'field_permissions');
|
|
110
|
}
|
|
111
|
}
|
|
112
|
}
|
|
113
|
}
|
|
114
|
}
|
|
115
|
}
|
|
116
|
}
|
|
117
|
|
|
118
|
// Remove the old field permissions settings if necessary, and save the
|
|
119
|
// field.
|
|
120
|
if (isset($field['settings']['field_permissions'])) {
|
|
121
|
// We can't unset this or field_update_field() will automatically add it
|
|
122
|
// back (using the prior field data), so do the next best thing.
|
|
123
|
$field['settings']['field_permissions'] = NULL;
|
|
124
|
field_update_field($field);
|
|
125
|
}
|
|
126
|
}
|
|
127
|
}
|
