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| 1 | <?php |
| 2 | /** |
| 3 | * @license GPL-2.0-or-later |
| 4 | * @file |
| 5 | */ |
| 6 | |
| 7 | namespace MediaWiki\Auth; |
| 8 | |
| 9 | use MediaWiki\User\User; |
| 10 | use StatusValue; |
| 11 | |
| 12 | /** |
| 13 | * Secondary providers act after input data is already associated with a MediaWiki account. |
| 14 | * |
| 15 | * For login, a secondary provider performs additional authentication steps |
| 16 | * after a PrimaryAuthenticationProvider has identified which MediaWiki user is |
| 17 | * trying to log in. For example, it might implement a password reset, request |
| 18 | * the second factor for two-factor auth, or prevent the login if the account is blocked. |
| 19 | * |
| 20 | * For account creation, a secondary provider performs optional extra steps after |
| 21 | * a PrimaryAuthenticationProvider has created the user; for example, it can collect |
| 22 | * further user information such as a biography. |
| 23 | * |
| 24 | * (For account linking, secondary providers are not involved.) |
| 25 | * |
| 26 | * This interface also provides methods for changing authentication data such |
| 27 | * as a second-factor token, and callbacks that are invoked after login / account creation |
| 28 | * succeeded or failed. |
| 29 | * |
| 30 | * @ingroup Auth |
| 31 | * @since 1.27 |
| 32 | * @see https://www.mediawiki.org/wiki/Manual:SessionManager_and_AuthManager |
| 33 | */ |
| 34 | interface SecondaryAuthenticationProvider extends AuthenticationProvider { |
| 35 | |
| 36 | /** |
| 37 | * Start an authentication flow |
| 38 | * |
| 39 | * Note that this may be called for a user even if |
| 40 | * beginSecondaryAccountCreation() was never called. The module should take |
| 41 | * the opportunity to do any necessary setup in that case. |
| 42 | * |
| 43 | * @param User $user User being authenticated. This may become a |
| 44 | * "UserValue" in the future, or User may be refactored into such. |
| 45 | * @param AuthenticationRequest[] $reqs |
| 46 | * @return AuthenticationResponse Expected responses: |
| 47 | * - PASS: The user is authenticated. Additional secondary providers may run. |
| 48 | * - FAIL: The user is not authenticated. Fail the authentication process. |
| 49 | * - ABSTAIN: Additional secondary providers may run. |
| 50 | * - UI: Additional AuthenticationRequests are needed to complete the process. |
| 51 | * - REDIRECT: Redirection to a third party is needed to complete the process. |
| 52 | */ |
| 53 | public function beginSecondaryAuthentication( $user, array $reqs ); |
| 54 | |
| 55 | /** |
| 56 | * Continue an authentication flow |
| 57 | * |
| 58 | * @param User $user User being authenticated. This may become a "UserIdentity" in the future. |
| 59 | * @param AuthenticationRequest[] $reqs |
| 60 | * @return AuthenticationResponse Expected responses: |
| 61 | * - PASS: The user is authenticated. Additional secondary providers may run. |
| 62 | * - FAIL: The user is not authenticated. Fail the authentication process. |
| 63 | * - ABSTAIN: Additional secondary providers may run. |
| 64 | * - UI: Additional AuthenticationRequests are needed to complete the process. |
| 65 | * - REDIRECT: Redirection to a third party is needed to complete the process. |
| 66 | */ |
| 67 | public function continueSecondaryAuthentication( $user, array $reqs ); |
| 68 | |
| 69 | /** |
| 70 | * Post-login callback |
| 71 | * |
| 72 | * This will be called at the end of a login attempt. It will not be called for unfinished |
| 73 | * login attempts that fail by the session timing out. |
| 74 | * |
| 75 | * @param User|null $user User that was attempted to be logged in, if known. |
| 76 | * This may become a "UserIdentity" in the future. |
| 77 | * @param AuthenticationResponse $response Authentication response that will be returned |
| 78 | * (PASS or FAIL) |
| 79 | */ |
| 80 | public function postAuthentication( $user, AuthenticationResponse $response ); |
| 81 | |
| 82 | /** |
| 83 | * Revoke the user's credentials |
| 84 | * |
| 85 | * This may cause the user to no longer exist for the provider, or the user |
| 86 | * may continue to exist in a "disabled" state. |
| 87 | * |
| 88 | * The intention is that the named account will never again be usable for |
| 89 | * normal login (i.e. there is no way to undo the revocation of access). |
| 90 | * |
| 91 | * @param string $username |
| 92 | */ |
| 93 | public function providerRevokeAccessForUser( $username ); |
| 94 | |
| 95 | /** |
| 96 | * Determine whether a property can change |
| 97 | * @see AuthManager::allowsPropertyChange() |
| 98 | * @param string $property |
| 99 | * @return bool |
| 100 | */ |
| 101 | public function providerAllowsPropertyChange( $property ); |
| 102 | |
| 103 | /** |
| 104 | * Validate a change of authentication data (e.g. passwords) |
| 105 | * |
| 106 | * Return StatusValue::newGood( 'ignored' ) if you don't support this |
| 107 | * AuthenticationRequest type. |
| 108 | * |
| 109 | * @param AuthenticationRequest $req |
| 110 | * @param bool $checkData If false, $req hasn't been loaded from the |
| 111 | * submission so checks on user-submitted fields should be skipped. |
| 112 | * $req->username is considered user-submitted for this purpose, even |
| 113 | * if it cannot be changed via $req->loadFromSubmission. |
| 114 | * @return StatusValue |
| 115 | */ |
| 116 | public function providerAllowsAuthenticationDataChange( |
| 117 | AuthenticationRequest $req, $checkData = true |
| 118 | ); |
| 119 | |
| 120 | /** |
| 121 | * Change or remove authentication data (e.g. passwords) |
| 122 | * |
| 123 | * If $req was returned for AuthManager::ACTION_CHANGE, the corresponding |
| 124 | * credentials should result in a successful login in the future. |
| 125 | * |
| 126 | * If $req was returned for AuthManager::ACTION_REMOVE, the corresponding |
| 127 | * credentials should no longer result in a successful login. |
| 128 | * |
| 129 | * It can be assumed that providerAllowsAuthenticationDataChange with $checkData === true |
| 130 | * was called before this, and passed. This method should never fail (other than throwing an |
| 131 | * exception). |
| 132 | */ |
| 133 | public function providerChangeAuthenticationData( AuthenticationRequest $req ); |
| 134 | |
| 135 | /** |
| 136 | * Determine whether an account creation may begin |
| 137 | * |
| 138 | * Called from AuthManager::beginAccountCreation() |
| 139 | * |
| 140 | * @note No need to test if the account exists, AuthManager checks that |
| 141 | * @param User $user User being created (not added to the database yet). |
| 142 | * This may become a "UserIdentity" in the future. |
| 143 | * @param User $creator User doing the creation. This may become a "UserIdentity" in the future. |
| 144 | * @param AuthenticationRequest[] $reqs |
| 145 | * @return StatusValue |
| 146 | */ |
| 147 | public function testForAccountCreation( $user, $creator, array $reqs ); |
| 148 | |
| 149 | /** |
| 150 | * Start an account creation flow |
| 151 | * |
| 152 | * @note There is no guarantee this will be called in a successful account |
| 153 | * creation process as the user can just abandon the process at any time |
| 154 | * after the primary provider has issued a PASS and still have a valid |
| 155 | * account. Be prepared to handle any database inconsistencies that result |
| 156 | * from this or continueSecondaryAccountCreation() not being called. |
| 157 | * @param User $user User being created (has been added to the database). |
| 158 | * This may become a "UserIdentity" in the future. |
| 159 | * @param User $creator User doing the creation. This may become a "UserIdentity" in the future. |
| 160 | * @param AuthenticationRequest[] $reqs |
| 161 | * @return AuthenticationResponse Expected responses: |
| 162 | * - PASS: The user creation is ok. Additional secondary providers may run. |
| 163 | * - ABSTAIN: Additional secondary providers may run. |
| 164 | * - UI: Additional AuthenticationRequests are needed to complete the process. |
| 165 | * - REDIRECT: Redirection to a third party is needed to complete the process. |
| 166 | */ |
| 167 | public function beginSecondaryAccountCreation( $user, $creator, array $reqs ); |
| 168 | |
| 169 | /** |
| 170 | * Continue an authentication flow |
| 171 | * |
| 172 | * @param User $user User being created (has been added to the database). |
| 173 | * This may become a "UserIdentity" in the future. |
| 174 | * @param User $creator User doing the creation. This may become a "UserIdentity" in the future. |
| 175 | * @param AuthenticationRequest[] $reqs |
| 176 | * @return AuthenticationResponse Expected responses: |
| 177 | * - PASS: The user creation is ok. Additional secondary providers may run. |
| 178 | * - ABSTAIN: Additional secondary providers may run. |
| 179 | * - UI: Additional AuthenticationRequests are needed to complete the process. |
| 180 | * - REDIRECT: Redirection to a third party is needed to complete the process. |
| 181 | */ |
| 182 | public function continueSecondaryAccountCreation( $user, $creator, array $reqs ); |
| 183 | |
| 184 | /** |
| 185 | * Post-creation callback |
| 186 | * |
| 187 | * This will be called at the end of an account creation attempt. It will not be called if |
| 188 | * the account creation process results in a session timeout (possibly after a successful |
| 189 | * user creation, while a secondary provider is waiting for a response). |
| 190 | * |
| 191 | * @param User $user User that was attempted to be created. |
| 192 | * This may become a "UserIdentity" in the future. |
| 193 | * @param User $creator User doing the creation. This may become a "UserIdentity" in the future. |
| 194 | * @param AuthenticationResponse $response Authentication response that will be returned |
| 195 | * (PASS or FAIL) |
| 196 | */ |
| 197 | public function postAccountCreation( $user, $creator, AuthenticationResponse $response ); |
| 198 | |
| 199 | /** |
| 200 | * Determine whether an account may be created |
| 201 | * |
| 202 | * @param User $user User being created (not added to the database yet). |
| 203 | * This may become a "UserIdentity" in the future. |
| 204 | * @param bool|string $autocreate False if this is not an auto-creation, or |
| 205 | * the source of the auto-creation passed to AuthManager::autoCreateUser(). |
| 206 | * @phpcs:ignore Generic.Files.LineLength.TooLong |
| 207 | * @param array{flags?:int,creating?:bool,canAlwaysAutocreate?:bool,performer?:User|\MediaWiki\Permissions\Authority} $options |
| 208 | * Options for the account creation check. |
| 209 | * - `flags`: Bitfield of IDBAccessObject::READ_* constants, default IDBAccessObject::READ_NORMAL. |
| 210 | * - `creating`: If false (or missing), this call is only testing whether |
| 211 | * a user could be created. If true, this (non-autocreation) call is for |
| 212 | * actually creating an account and will be followed by a call to |
| 213 | * testForAccountCreation(). In this case, the provider might return |
| 214 | * StatusValue::newGood() here and let the later call to |
| 215 | * testForAccountCreation() do a more thorough test. |
| 216 | * - `canAlwaysAutocreate`: If true, the session provider is exempt from |
| 217 | * autocreate user permission checks. |
| 218 | * - `performer`: The performer of the action, used for user rights checking. |
| 219 | * @return StatusValue |
| 220 | */ |
| 221 | public function testUserForCreation( $user, $autocreate, array $options = [] ); |
| 222 | |
| 223 | /** |
| 224 | * Post-auto-creation callback |
| 225 | * |
| 226 | * @param User $user User being created (has been added to the database now). |
| 227 | * This may become a "UserIdentity" in the future. |
| 228 | * @param string $source The source of the auto-creation passed to |
| 229 | * AuthManager::autoCreateUser(). |
| 230 | */ |
| 231 | public function autoCreatedAccount( $user, $source ); |
| 232 | |
| 233 | } |