Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2021 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "FakeFingerprintEngine.h" |
Jeff Pu | 63f33c7 | 2022-07-28 16:06:23 -0400 | [diff] [blame] | 18 | #include "Fingerprint.h" |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 19 | |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 20 | #include <android-base/logging.h> |
Jeff Pu | 63f33c7 | 2022-07-28 16:06:23 -0400 | [diff] [blame] | 21 | #include <android-base/parseint.h> |
Joshua McCloskey | c8c0bad | 2022-05-10 05:17:44 +0000 | [diff] [blame] | 22 | |
| 23 | #include <fingerprint.sysprop.h> |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 24 | |
Joshua McCloskey | c8c0bad | 2022-05-10 05:17:44 +0000 | [diff] [blame] | 25 | #include "util/CancellationSignal.h" |
Joshua McCloskey | db009a5 | 2022-05-10 05:18:20 +0000 | [diff] [blame] | 26 | #include "util/Util.h" |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 27 | |
| 28 | using namespace ::android::fingerprint::virt; |
Jeff Pu | 63f33c7 | 2022-07-28 16:06:23 -0400 | [diff] [blame] | 29 | using ::android::base::ParseInt; |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 30 | |
| 31 | namespace aidl::android::hardware::biometrics::fingerprint { |
| 32 | |
| 33 | void FakeFingerprintEngine::generateChallengeImpl(ISessionCallback* cb) { |
| 34 | BEGIN_OP(0); |
| 35 | std::uniform_int_distribution<int64_t> dist; |
| 36 | auto challenge = dist(mRandom); |
| 37 | FingerprintHalProperties::challenge(challenge); |
| 38 | cb->onChallengeGenerated(challenge); |
| 39 | } |
| 40 | |
| 41 | void FakeFingerprintEngine::revokeChallengeImpl(ISessionCallback* cb, int64_t challenge) { |
| 42 | BEGIN_OP(0); |
| 43 | FingerprintHalProperties::challenge({}); |
| 44 | cb->onChallengeRevoked(challenge); |
| 45 | } |
| 46 | |
| 47 | void FakeFingerprintEngine::enrollImpl(ISessionCallback* cb, |
| 48 | const keymaster::HardwareAuthToken& hat, |
| 49 | const std::future<void>& cancel) { |
| 50 | BEGIN_OP(FingerprintHalProperties::operation_enroll_latency().value_or(DEFAULT_LATENCY)); |
| 51 | |
| 52 | // Do proper HAT verification in the real implementation. |
| 53 | if (hat.mac.empty()) { |
| 54 | LOG(ERROR) << "Fail: hat"; |
| 55 | cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */); |
| 56 | return; |
| 57 | } |
| 58 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 59 | // Force error-out |
| 60 | auto err = FingerprintHalProperties::operation_enroll_error().value_or(0); |
| 61 | if (err != 0) { |
| 62 | LOG(ERROR) << "Fail: operation_enroll_error"; |
| 63 | auto ec = convertError(err); |
| 64 | cb->onError(ec.first, ec.second); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 65 | return; |
| 66 | } |
| 67 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 68 | // Format is "<id>:<progress_ms-[acquiredInfo..]>,...:<result> |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 69 | auto nextEnroll = FingerprintHalProperties::next_enrollment().value_or(""); |
Joshua McCloskey | db009a5 | 2022-05-10 05:18:20 +0000 | [diff] [blame] | 70 | auto parts = Util::split(nextEnroll, ":"); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 71 | if (parts.size() != 3) { |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 72 | LOG(ERROR) << "Fail: invalid next_enrollment:" << nextEnroll; |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 73 | cb->onError(Error::VENDOR, 0 /* vendorError */); |
| 74 | return; |
| 75 | } |
| 76 | auto enrollmentId = std::stoi(parts[0]); |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 77 | auto progress = parseEnrollmentCapture(parts[1]); |
| 78 | for (size_t i = 0; i < progress.size(); i += 2) { |
| 79 | auto left = (progress.size() - i) / 2 - 1; |
| 80 | auto duration = progress[i][0]; |
| 81 | auto acquired = progress[i + 1]; |
| 82 | auto N = acquired.size(); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 83 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 84 | for (int j = 0; j < N; j++) { |
| 85 | SLEEP_MS(duration / N); |
| 86 | |
| 87 | if (shouldCancel(cancel)) { |
| 88 | LOG(ERROR) << "Fail: cancel"; |
| 89 | cb->onError(Error::CANCELED, 0 /* vendorCode */); |
| 90 | return; |
| 91 | } |
| 92 | auto ac = convertAcquiredInfo(acquired[j]); |
| 93 | cb->onAcquired(ac.first, ac.second); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 94 | } |
| 95 | |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 96 | if (left == 0 && !IS_TRUE(parts[2])) { // end and failed |
| 97 | LOG(ERROR) << "Fail: requested by caller: " << nextEnroll; |
| 98 | FingerprintHalProperties::next_enrollment({}); |
| 99 | cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorCode */); |
| 100 | } else { // progress and update props if last time |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 101 | LOG(INFO) << "onEnroll: " << enrollmentId << " left: " << left; |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 102 | if (left == 0) { |
| 103 | auto enrollments = FingerprintHalProperties::enrollments(); |
| 104 | enrollments.emplace_back(enrollmentId); |
| 105 | FingerprintHalProperties::enrollments(enrollments); |
| 106 | FingerprintHalProperties::next_enrollment({}); |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 107 | // change authenticatorId after new enrollment |
| 108 | auto id = FingerprintHalProperties::authenticator_id().value_or(0); |
| 109 | auto newId = id + 1; |
| 110 | FingerprintHalProperties::authenticator_id(newId); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 111 | LOG(INFO) << "Enrolled: " << enrollmentId; |
| 112 | } |
| 113 | cb->onEnrollmentProgress(enrollmentId, left); |
| 114 | } |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | void FakeFingerprintEngine::authenticateImpl(ISessionCallback* cb, int64_t /* operationId */, |
| 119 | const std::future<void>& cancel) { |
| 120 | BEGIN_OP(FingerprintHalProperties::operation_authenticate_latency().value_or(DEFAULT_LATENCY)); |
| 121 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 122 | int64_t now = Util::getSystemNanoTime(); |
| 123 | int64_t duration = FingerprintHalProperties::operation_authenticate_duration().value_or(10); |
| 124 | auto acquired = FingerprintHalProperties::operation_authenticate_acquired().value_or("1"); |
| 125 | auto acquiredInfos = parseIntSequence(acquired); |
| 126 | int N = acquiredInfos.size(); |
| 127 | |
| 128 | if (N == 0) { |
| 129 | LOG(ERROR) << "Fail to parse authentiate acquired info: " + acquired; |
| 130 | cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */); |
| 131 | return; |
| 132 | } |
| 133 | |
| 134 | int i = 0; |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 135 | do { |
| 136 | if (FingerprintHalProperties::operation_authenticate_fails().value_or(false)) { |
| 137 | LOG(ERROR) << "Fail: operation_authenticate_fails"; |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 138 | cb->onAuthenticationFailed(); |
| 139 | return; |
| 140 | } |
| 141 | |
| 142 | auto err = FingerprintHalProperties::operation_authenticate_error().value_or(0); |
| 143 | if (err != 0) { |
| 144 | LOG(ERROR) << "Fail: operation_authenticate_error"; |
| 145 | auto ec = convertError(err); |
| 146 | cb->onError(ec.first, ec.second); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 147 | return; |
| 148 | } |
| 149 | |
| 150 | if (FingerprintHalProperties::lockout().value_or(false)) { |
| 151 | LOG(ERROR) << "Fail: lockout"; |
| 152 | cb->onLockoutPermanent(); |
| 153 | cb->onError(Error::HW_UNAVAILABLE, 0 /* vendorError */); |
| 154 | return; |
| 155 | } |
| 156 | |
| 157 | if (shouldCancel(cancel)) { |
| 158 | LOG(ERROR) << "Fail: cancel"; |
| 159 | cb->onError(Error::CANCELED, 0 /* vendorCode */); |
| 160 | return; |
| 161 | } |
| 162 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 163 | if (i < N) { |
| 164 | auto ac = convertAcquiredInfo(acquiredInfos[i]); |
| 165 | cb->onAcquired(ac.first, ac.second); |
| 166 | i++; |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 167 | } |
| 168 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 169 | SLEEP_MS(duration / N); |
Joshua McCloskey | db009a5 | 2022-05-10 05:18:20 +0000 | [diff] [blame] | 170 | } while (!Util::hasElapsed(now, duration)); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 171 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 172 | auto id = FingerprintHalProperties::enrollment_hit().value_or(0); |
| 173 | auto enrolls = FingerprintHalProperties::enrollments(); |
| 174 | auto isEnrolled = std::find(enrolls.begin(), enrolls.end(), id) != enrolls.end(); |
| 175 | if (id > 0 && isEnrolled) { |
| 176 | cb->onAuthenticationSucceeded(id, {} /* hat */); |
| 177 | return; |
| 178 | } else { |
| 179 | LOG(ERROR) << "Fail: fingerprint not enrolled"; |
| 180 | cb->onAuthenticationFailed(); |
| 181 | } |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | void FakeFingerprintEngine::detectInteractionImpl(ISessionCallback* cb, |
| 185 | const std::future<void>& cancel) { |
| 186 | BEGIN_OP(FingerprintHalProperties::operation_detect_interaction_latency().value_or( |
| 187 | DEFAULT_LATENCY)); |
| 188 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 189 | int64_t duration = |
| 190 | FingerprintHalProperties::operation_detect_interaction_duration().value_or(10); |
| 191 | auto acquired = FingerprintHalProperties::operation_detect_interaction_acquired().value_or("1"); |
| 192 | auto acquiredInfos = parseIntSequence(acquired); |
| 193 | int N = acquiredInfos.size(); |
| 194 | int64_t now = Util::getSystemNanoTime(); |
| 195 | |
| 196 | if (N == 0) { |
| 197 | LOG(ERROR) << "Fail to parse detect interaction acquired info: " + acquired; |
| 198 | cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 199 | return; |
| 200 | } |
| 201 | |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 202 | int i = 0; |
| 203 | do { |
| 204 | auto err = FingerprintHalProperties::operation_detect_interaction_error().value_or(0); |
| 205 | if (err != 0) { |
| 206 | LOG(ERROR) << "Fail: operation_detect_interaction_error"; |
| 207 | auto ec = convertError(err); |
| 208 | cb->onError(ec.first, ec.second); |
| 209 | return; |
| 210 | } |
| 211 | |
| 212 | if (shouldCancel(cancel)) { |
| 213 | LOG(ERROR) << "Fail: cancel"; |
| 214 | cb->onError(Error::CANCELED, 0 /* vendorCode */); |
| 215 | return; |
| 216 | } |
| 217 | |
| 218 | if (i < N) { |
| 219 | auto ac = convertAcquiredInfo(acquiredInfos[i]); |
| 220 | cb->onAcquired(ac.first, ac.second); |
| 221 | i++; |
| 222 | } |
| 223 | SLEEP_MS(duration / N); |
| 224 | } while (!Util::hasElapsed(now, duration)); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 225 | |
| 226 | auto id = FingerprintHalProperties::enrollment_hit().value_or(0); |
| 227 | auto enrolls = FingerprintHalProperties::enrollments(); |
| 228 | auto isEnrolled = std::find(enrolls.begin(), enrolls.end(), id) != enrolls.end(); |
| 229 | if (id <= 0 || !isEnrolled) { |
| 230 | LOG(ERROR) << "Fail: not enrolled"; |
| 231 | cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */); |
| 232 | return; |
| 233 | } |
| 234 | |
| 235 | cb->onInteractionDetected(); |
| 236 | } |
| 237 | |
| 238 | void FakeFingerprintEngine::enumerateEnrollmentsImpl(ISessionCallback* cb) { |
| 239 | BEGIN_OP(0); |
| 240 | |
| 241 | std::vector<int32_t> ids; |
Jeff Pu | 63f33c7 | 2022-07-28 16:06:23 -0400 | [diff] [blame] | 242 | // There are some enrollment sync issue with framework, which results in |
| 243 | // a single template removal during the very firt sync command after reboot. |
| 244 | // This is a workaround for now. TODO(b/243129174) |
| 245 | ids.push_back(-1); |
| 246 | |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 247 | for (auto& enrollment : FingerprintHalProperties::enrollments()) { |
| 248 | auto id = enrollment.value_or(0); |
| 249 | if (id > 0) { |
| 250 | ids.push_back(id); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | cb->onEnrollmentsEnumerated(ids); |
| 255 | } |
| 256 | |
| 257 | void FakeFingerprintEngine::removeEnrollmentsImpl(ISessionCallback* cb, |
| 258 | const std::vector<int32_t>& enrollmentIds) { |
| 259 | BEGIN_OP(0); |
| 260 | |
| 261 | std::vector<std::optional<int32_t>> newEnrollments; |
| 262 | std::vector<int32_t> removed; |
| 263 | for (auto& enrollment : FingerprintHalProperties::enrollments()) { |
| 264 | auto id = enrollment.value_or(0); |
| 265 | if (std::find(enrollmentIds.begin(), enrollmentIds.end(), id) != enrollmentIds.end()) { |
| 266 | removed.push_back(id); |
| 267 | } else if (id > 0) { |
| 268 | newEnrollments.emplace_back(id); |
| 269 | } |
| 270 | } |
| 271 | FingerprintHalProperties::enrollments(newEnrollments); |
| 272 | |
| 273 | cb->onEnrollmentsRemoved(enrollmentIds); |
| 274 | } |
| 275 | |
| 276 | void FakeFingerprintEngine::getAuthenticatorIdImpl(ISessionCallback* cb) { |
| 277 | BEGIN_OP(0); |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 278 | int64_t authenticatorId; |
| 279 | if (FingerprintHalProperties::enrollments().size() == 0) { |
| 280 | authenticatorId = 0; |
| 281 | } else { |
| 282 | authenticatorId = FingerprintHalProperties::authenticator_id().value_or(0); |
| 283 | if (authenticatorId == 0) authenticatorId = 1; |
Jeff Pu | 63f33c7 | 2022-07-28 16:06:23 -0400 | [diff] [blame] | 284 | } |
| 285 | cb->onAuthenticatorIdRetrieved(authenticatorId); |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 286 | } |
| 287 | |
| 288 | void FakeFingerprintEngine::invalidateAuthenticatorIdImpl(ISessionCallback* cb) { |
| 289 | BEGIN_OP(0); |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 290 | int64_t newId; |
| 291 | if (FingerprintHalProperties::enrollments().size() == 0) { |
| 292 | newId = 0; |
| 293 | } else { |
| 294 | auto id = FingerprintHalProperties::authenticator_id().value_or(0); |
| 295 | newId = id + 1; |
| 296 | } |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 297 | FingerprintHalProperties::authenticator_id(newId); |
| 298 | cb->onAuthenticatorIdInvalidated(newId); |
| 299 | } |
| 300 | |
| 301 | void FakeFingerprintEngine::resetLockoutImpl(ISessionCallback* cb, |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 302 | const keymaster::HardwareAuthToken& hat) { |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 303 | BEGIN_OP(0); |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 304 | if (hat.mac.empty()) { |
| 305 | LOG(ERROR) << "Fail: hat in resetLockout()"; |
| 306 | cb->onError(Error::UNABLE_TO_PROCESS, 0 /* vendorError */); |
| 307 | return; |
| 308 | } |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 309 | FingerprintHalProperties::lockout(false); |
| 310 | cb->onLockoutCleared(); |
| 311 | } |
| 312 | |
Jeff Pu | 63f33c7 | 2022-07-28 16:06:23 -0400 | [diff] [blame] | 313 | ndk::ScopedAStatus FakeFingerprintEngine::onPointerDownImpl(int32_t /*pointerId*/, int32_t /*x*/, |
| 314 | int32_t /*y*/, float /*minor*/, |
| 315 | float /*major*/) { |
| 316 | BEGIN_OP(0); |
| 317 | return ndk::ScopedAStatus::ok(); |
| 318 | } |
| 319 | |
| 320 | ndk::ScopedAStatus FakeFingerprintEngine::onPointerUpImpl(int32_t /*pointerId*/) { |
| 321 | BEGIN_OP(0); |
| 322 | return ndk::ScopedAStatus::ok(); |
| 323 | } |
| 324 | |
| 325 | ndk::ScopedAStatus FakeFingerprintEngine::onUiReadyImpl() { |
| 326 | BEGIN_OP(0); |
| 327 | return ndk::ScopedAStatus::ok(); |
| 328 | } |
| 329 | |
| 330 | bool FakeFingerprintEngine::getSensorLocationConfig(SensorLocation& out) { |
| 331 | auto loc = FingerprintHalProperties::sensor_location().value_or(""); |
| 332 | auto isValidStr = false; |
| 333 | auto dim = Util::split(loc, ":"); |
| 334 | |
| 335 | if (dim.size() < 3 or dim.size() > 4) { |
| 336 | if (!loc.empty()) LOG(WARNING) << "Invalid sensor location input (x:y:radius):" + loc; |
| 337 | return false; |
| 338 | } else { |
| 339 | int32_t x, y, r; |
| 340 | std::string d = ""; |
| 341 | if (dim.size() >= 3) { |
| 342 | isValidStr = ParseInt(dim[0], &x) && ParseInt(dim[1], &y) && ParseInt(dim[2], &r); |
| 343 | } |
| 344 | if (dim.size() >= 4) { |
| 345 | d = dim[3]; |
| 346 | } |
| 347 | if (isValidStr) out = {0, x, y, r, d}; |
| 348 | |
| 349 | return isValidStr; |
| 350 | } |
| 351 | } |
| 352 | SensorLocation FakeFingerprintEngine::getSensorLocation() { |
| 353 | SensorLocation location; |
| 354 | |
| 355 | if (getSensorLocationConfig(location)) { |
| 356 | return location; |
| 357 | } else { |
| 358 | return defaultSensorLocation(); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | SensorLocation FakeFingerprintEngine::defaultSensorLocation() { |
| 363 | return {0 /* displayId (not used) */, 0 /* sensorLocationX */, 0 /* sensorLocationY */, |
| 364 | 0 /* sensorRadius */, "" /* display */}; |
| 365 | } |
Jeff Pu | 343ca94 | 2022-09-14 15:56:30 -0400 | [diff] [blame^] | 366 | |
| 367 | std::vector<int32_t> FakeFingerprintEngine::parseIntSequence(const std::string& str, |
| 368 | const std::string& sep) { |
| 369 | std::vector<std::string> seqs = Util::split(str, sep); |
| 370 | std::vector<int32_t> res; |
| 371 | |
| 372 | for (const auto& seq : seqs) { |
| 373 | int32_t val; |
| 374 | if (ParseInt(seq, &val)) { |
| 375 | res.push_back(val); |
| 376 | } else { |
| 377 | LOG(WARNING) << "Invalid int sequence:" + str; |
| 378 | res.clear(); |
| 379 | break; |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | return res; |
| 384 | } |
| 385 | |
| 386 | std::vector<std::vector<int32_t>> FakeFingerprintEngine::parseEnrollmentCapture( |
| 387 | const std::string& str) { |
| 388 | std::vector<int32_t> defaultAcquiredInfo = {(int32_t)AcquiredInfo::GOOD}; |
| 389 | std::vector<std::vector<int32_t>> res; |
| 390 | int i = 0, N = str.length(); |
| 391 | std::size_t found = 0; |
| 392 | bool aborted = true; |
| 393 | |
| 394 | while (found != std::string::npos) { |
| 395 | std::string durationStr, acquiredStr; |
| 396 | found = str.find_first_of("-,", i); |
| 397 | if (found == std::string::npos) { |
| 398 | if (N - i < 1) break; |
| 399 | durationStr = str.substr(i, N - i); |
| 400 | } else { |
| 401 | durationStr = str.substr(i, found - i); |
| 402 | if (str[found] == '-') { |
| 403 | found = str.find_first_of('[', found + 1); |
| 404 | if (found == std::string::npos) break; |
| 405 | i = found + 1; |
| 406 | found = str.find_first_of(']', found + 1); |
| 407 | if (found == std::string::npos) break; |
| 408 | acquiredStr = str.substr(i, found - i); |
| 409 | found = str.find_first_of(',', found + 1); |
| 410 | } |
| 411 | } |
| 412 | std::vector<int32_t> duration{0}; |
| 413 | if (!ParseInt(durationStr, &duration[0])) break; |
| 414 | res.push_back(duration); |
| 415 | if (!acquiredStr.empty()) { |
| 416 | std::vector<int32_t> acquiredInfo = parseIntSequence(acquiredStr); |
| 417 | if (acquiredInfo.empty()) break; |
| 418 | res.push_back(acquiredInfo); |
| 419 | } else |
| 420 | res.push_back(defaultAcquiredInfo); |
| 421 | |
| 422 | i = found + 1; |
| 423 | if (found == std::string::npos || found == N - 1) aborted = false; |
| 424 | } |
| 425 | |
| 426 | if (aborted) { |
| 427 | LOG(ERROR) << "Failed to parse enrollment captures:" + str; |
| 428 | res.clear(); |
| 429 | } |
| 430 | |
| 431 | return res; |
| 432 | } |
| 433 | |
| 434 | std::pair<AcquiredInfo, int32_t> FakeFingerprintEngine::convertAcquiredInfo(int32_t code) { |
| 435 | std::pair<AcquiredInfo, int32_t> res; |
| 436 | if (code > FINGERPRINT_ACQUIRED_VENDOR_BASE) { |
| 437 | res.first = AcquiredInfo::VENDOR; |
| 438 | res.second = code - FINGERPRINT_ACQUIRED_VENDOR_BASE; |
| 439 | } else { |
| 440 | res.first = (AcquiredInfo)code; |
| 441 | res.second = 0; |
| 442 | } |
| 443 | return res; |
| 444 | } |
| 445 | |
| 446 | std::pair<Error, int32_t> FakeFingerprintEngine::convertError(int32_t code) { |
| 447 | std::pair<Error, int32_t> res; |
| 448 | if (code > FINGERPRINT_ERROR_VENDOR_BASE) { |
| 449 | res.first = Error::VENDOR; |
| 450 | res.second = code - FINGERPRINT_ERROR_VENDOR_BASE; |
| 451 | } else { |
| 452 | res.first = (Error)code; |
| 453 | res.second = 0; |
| 454 | } |
| 455 | return res; |
| 456 | } |
| 457 | |
Joe Bolinger | de94aa0 | 2021-12-09 17:00:32 -0800 | [diff] [blame] | 458 | } // namespace aidl::android::hardware::biometrics::fingerprint |