1 | <?php |
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2 | // $Id: field_permissions.module,v 1.1.2.9 2009/11/14 12:38:20 markuspetrux Exp $ |
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3 | |
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4 | /** |
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5 | * @file |
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6 | * This is the main script for the Field Permissions module. It merely contains |
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7 | * the implementation of hooks invoked by Drupal core and CCK. |
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8 | * All common functions are externalized into several scripts that are included |
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9 | * on demand to save memory consumption during normal site operation. |
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10 | */ |
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11 | |
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12 | /** |
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13 | * Implementation of hook_menu(). |
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14 | */ |
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15 | function field_permissions_menu() { |
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16 | module_load_include('inc', 'field_permissions', 'includes/admin'); |
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17 | return _field_permissions_menu(); |
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18 | } |
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19 | |
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20 | /** |
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21 | * Implementation of hook_theme(). |
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22 | */ |
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23 | function field_permissions_theme() { |
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24 | return array( |
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25 | 'field_permissions_troubleshooting_form' => array('arguments' => array('form' => NULL), 'file' => 'includes/admin.inc'), |
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26 | ); |
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27 | } |
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28 | |
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29 | /** |
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30 | * Implementation of hook_perm(). |
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31 | */ |
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32 | function field_permissions_perm() { |
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33 | module_load_include('inc', 'field_permissions', 'includes/admin'); |
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34 | return _field_permissions_perm(); |
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35 | } |
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36 | |
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37 | /** |
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38 | * Implementation of hook_field_settings_alter(). |
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39 | */ |
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40 | function field_permissions_field_settings_alter(&$settings, $op, $field) { |
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41 | if ($op == 'form' || $op == 'save') { |
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42 | module_load_include('inc', 'field_permissions', 'includes/admin'); |
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43 | return _field_permissions_field_settings_alter($settings, $op, $field); |
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44 | } |
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45 | } |
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46 | |
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47 | /** |
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48 | * Implementation of hook_field_access(). |
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49 | * |
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50 | * @param $op |
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51 | * The operation to be performed. Possible values: |
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52 | * - 'edit' |
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53 | * - 'view' |
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54 | * @param $field |
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55 | * The field on which the operation is to be performed. |
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56 | * @param $account |
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57 | * The account to check. |
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58 | * Note that this argument is optional to content_access(), but it is |
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59 | * always passed to hook_field_access(), with current user if not supplied. |
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60 | * This is an argument that was added to CCK in 6.x-2.2 release. |
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61 | * @param $node |
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62 | * (optional) The node on which the operation is to be performed. |
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63 | * Note that this argument is optional to content_access(), but it is |
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64 | * always passed to hook_field_access(), with NULL if not supplied. |
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65 | * This is an argument that was added to CCK in 6.x-2.5 release. |
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66 | * |
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67 | * @return |
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68 | * FALSE if the operation is not allowed. |
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69 | * Note when content_access() is invoked, access is granted unless one |
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70 | * implementation of hook_field_access() explicitly returns FALSE. |
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71 | * |
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72 | * @see content_access() |
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73 | */ |
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74 | function field_permissions_field_access($op, $field, $account, $node) { |
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75 | // Ignore the request if permissions have not been enabled for this field. |
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76 | $field_permissions = (isset($field['field_permissions']) && is_array($field['field_permissions']) ? array_filter($field['field_permissions']) : array()); |
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77 | if (empty($field_permissions)) { |
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78 | return; |
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79 | } |
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80 | |
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81 | if ($op == 'view') { |
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82 | if (!empty($field_permissions['view']) || !empty($field_permissions['view own'])) { |
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83 | module_load_include('inc', 'field_permissions', 'includes/field_access'); |
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84 | return _field_permissions_field_view_access($field['field_name'], $field_permissions, $account, $node); |
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85 | } |
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86 | } |
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87 | elseif ($op == 'edit') { |
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88 | if (!empty($field_permissions['edit']) || !empty($field_permissions['edit own']) || !empty($field_permissions['create'])) { |
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89 | module_load_include('inc', 'field_permissions', 'includes/field_access'); |
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90 | return _field_permissions_field_edit_access($field['field_name'], $field_permissions, $account, $node); |
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91 | } |
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92 | } |
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93 | } |
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