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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Repository for group-level category permission restrictions. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Thorsten Rinne <thorsten@phpmyfaq.de> |
| 12 | * @copyright 2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2026-03-15 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Permission; |
| 21 | |
| 22 | use phpMyFAQ\Configuration; |
| 23 | use phpMyFAQ\Database; |
| 24 | |
| 25 | readonly class GroupCategoryPermissionRepository |
| 26 | { |
| 27 | public function __construct( |
| 28 | private Configuration $configuration, |
| 29 | ) { |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * Returns the category IDs that a group's right is restricted to. |
| 34 | * An empty array means the right is unrestricted (applies globally). |
| 35 | * |
| 36 | * @param int $groupId Group ID |
| 37 | * @param int $rightId Right ID |
| 38 | * @return array<int> |
| 39 | */ |
| 40 | public function getCategoryRestrictions(int $groupId, int $rightId): array |
| 41 | { |
| 42 | if ($groupId <= 0 || $rightId <= 0) { |
| 43 | return []; |
| 44 | } |
| 45 | |
| 46 | $select = sprintf( |
| 47 | 'SELECT category_id FROM %sfaqgroup_right_category WHERE group_id = %d AND right_id = %d', |
| 48 | Database::getTablePrefix(), |
| 49 | $groupId, |
| 50 | $rightId, |
| 51 | ); |
| 52 | |
| 53 | $res = $this->configuration->getDb()->query($select); |
| 54 | if (!$res) { |
| 55 | return []; |
| 56 | } |
| 57 | |
| 58 | $result = []; |
| 59 | while (true) { |
| 60 | $row = $this->configuration->getDb()->fetchArray($res); |
| 61 | if ($row === false || $row === null || $row === []) { |
| 62 | break; |
| 63 | } |
| 64 | |
| 65 | $result[] = (int) $row['category_id']; |
| 66 | } |
| 67 | |
| 68 | return $result; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Returns all category restrictions for a group, keyed by right ID. |
| 73 | * |
| 74 | * @param int $groupId Group ID |
| 75 | * @return array<int, array<int>> Map of right_id => [category_ids] |
| 76 | */ |
| 77 | public function getAllCategoryRestrictions(int $groupId): array |
| 78 | { |
| 79 | if ($groupId <= 0) { |
| 80 | return []; |
| 81 | } |
| 82 | |
| 83 | $select = sprintf( |
| 84 | 'SELECT right_id, category_id FROM %sfaqgroup_right_category WHERE group_id = %d ORDER BY right_id', |
| 85 | Database::getTablePrefix(), |
| 86 | $groupId, |
| 87 | ); |
| 88 | |
| 89 | $res = $this->configuration->getDb()->query($select); |
| 90 | if (!$res) { |
| 91 | return []; |
| 92 | } |
| 93 | |
| 94 | $result = []; |
| 95 | while (true) { |
| 96 | $row = $this->configuration->getDb()->fetchArray($res); |
| 97 | if ($row === false || $row === null || $row === []) { |
| 98 | break; |
| 99 | } |
| 100 | |
| 101 | $rightId = (int) $row['right_id']; |
| 102 | $result[$rightId][] = (int) $row['category_id']; |
| 103 | } |
| 104 | |
| 105 | return $result; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Sets category restrictions for a group's right. |
| 110 | * Replaces any existing restrictions for this group-right pair. |
| 111 | * |
| 112 | * @param int $groupId Group ID |
| 113 | * @param int $rightId Right ID |
| 114 | * @param array<int> $categoryIds Category IDs to restrict to |
| 115 | */ |
| 116 | public function setCategoryRestrictions(int $groupId, int $rightId, array $categoryIds): bool |
| 117 | { |
| 118 | if ($groupId <= 0 || $rightId <= 0) { |
| 119 | return false; |
| 120 | } |
| 121 | |
| 122 | $db = $this->configuration->getDb(); |
| 123 | |
| 124 | $db->query('BEGIN'); |
| 125 | |
| 126 | // Remove existing restrictions |
| 127 | $delete = sprintf( |
| 128 | 'DELETE FROM %sfaqgroup_right_category WHERE group_id = %d AND right_id = %d', |
| 129 | Database::getTablePrefix(), |
| 130 | $groupId, |
| 131 | $rightId, |
| 132 | ); |
| 133 | |
| 134 | if (!$db->query($delete)) { |
| 135 | $db->query('ROLLBACK'); |
| 136 | return false; |
| 137 | } |
| 138 | |
| 139 | // Insert new restrictions |
| 140 | foreach ($categoryIds as $categoryId) { |
| 141 | $categoryId = (int) $categoryId; |
| 142 | if ($categoryId <= 0) { |
| 143 | continue; |
| 144 | } |
| 145 | |
| 146 | $insert = sprintf( |
| 147 | 'INSERT INTO %sfaqgroup_right_category (group_id, right_id, category_id) VALUES (%d, %d, %d)', |
| 148 | Database::getTablePrefix(), |
| 149 | $groupId, |
| 150 | $rightId, |
| 151 | $categoryId, |
| 152 | ); |
| 153 | |
| 154 | if (!$db->query($insert)) { |
| 155 | $db->query('ROLLBACK'); |
| 156 | return false; |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | $db->query('COMMIT'); |
| 161 | |
| 162 | return true; |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Deletes all category restrictions for a specific group-right pair. |
| 167 | * |
| 168 | * @param int $groupId Group ID |
| 169 | * @param int $rightId Right ID |
| 170 | */ |
| 171 | public function deleteCategoryRestrictions(int $groupId, int $rightId): bool |
| 172 | { |
| 173 | if ($groupId <= 0 || $rightId <= 0) { |
| 174 | return false; |
| 175 | } |
| 176 | |
| 177 | $delete = sprintf( |
| 178 | 'DELETE FROM %sfaqgroup_right_category WHERE group_id = %d AND right_id = %d', |
| 179 | Database::getTablePrefix(), |
| 180 | $groupId, |
| 181 | $rightId, |
| 182 | ); |
| 183 | |
| 184 | return (bool) $this->configuration->getDb()->query($delete); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Deletes all category restrictions for a group. |
| 189 | * |
| 190 | * @param int $groupId Group ID |
| 191 | */ |
| 192 | public function deleteAllForGroup(int $groupId): bool |
| 193 | { |
| 194 | if ($groupId <= 0) { |
| 195 | return false; |
| 196 | } |
| 197 | |
| 198 | $delete = sprintf( |
| 199 | 'DELETE FROM %sfaqgroup_right_category WHERE group_id = %d', |
| 200 | Database::getTablePrefix(), |
| 201 | $groupId, |
| 202 | ); |
| 203 | |
| 204 | return (bool) $this->configuration->getDb()->query($delete); |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * Checks if a user has a specific right for a given category via group membership. |
| 209 | * Returns true if: |
| 210 | * - The user's group has the right with no category restrictions (global), OR |
| 211 | * - The user's group has the right restricted to categories that include the given category. |
| 212 | * |
| 213 | * @param int $userId User ID |
| 214 | * @param int $rightId Right ID |
| 215 | * @param int $categoryId Category ID |
| 216 | */ |
| 217 | public function checkUserGroupRightForCategory(int $userId, int $rightId, int $categoryId): bool |
| 218 | { |
| 219 | if ($userId <= 0 || $rightId <= 0 || $categoryId <= 0) { |
| 220 | return false; |
| 221 | } |
| 222 | |
| 223 | // Check if user has the right via any group that either: |
| 224 | // 1. Has no category restrictions for this right (global), OR |
| 225 | // 2. Has the specific category in its restrictions |
| 226 | $select = sprintf( |
| 227 | ' |
| 228 | SELECT |
| 229 | fgr.group_id |
| 230 | FROM |
| 231 | %sfaqgroup_right fgr |
| 232 | INNER JOIN |
| 233 | %sfaquser_group fug ON fgr.group_id = fug.group_id |
| 234 | WHERE |
| 235 | fug.user_id = %d AND |
| 236 | fgr.right_id = %d AND |
| 237 | ( |
| 238 | NOT EXISTS ( |
| 239 | SELECT 1 FROM %sfaqgroup_right_category fgrc |
| 240 | WHERE fgrc.group_id = fgr.group_id AND fgrc.right_id = fgr.right_id |
| 241 | ) |
| 242 | OR EXISTS ( |
| 243 | SELECT 1 FROM %sfaqgroup_right_category fgrc |
| 244 | WHERE fgrc.group_id = fgr.group_id |
| 245 | AND fgrc.right_id = fgr.right_id |
| 246 | AND fgrc.category_id = %d |
| 247 | ) |
| 248 | )', |
| 249 | Database::getTablePrefix(), |
| 250 | Database::getTablePrefix(), |
| 251 | $userId, |
| 252 | $rightId, |
| 253 | Database::getTablePrefix(), |
| 254 | Database::getTablePrefix(), |
| 255 | $categoryId, |
| 256 | ); |
| 257 | |
| 258 | $res = $this->configuration->getDb()->query($select); |
| 259 | |
| 260 | return $this->configuration->getDb()->numRows($res) > 0; |
| 261 | } |
| 262 | } |