Merge remote-tracking branch 'origin/rel-1.2.3'

This commit is contained in:
anhefti 2021-11-01 09:52:53 +01:00
commit c2e9df7761
7 changed files with 97 additions and 16 deletions

View file

@ -18,7 +18,7 @@
<packaging>jar</packaging>
<properties>
<sebserver-version>1.2.2</sebserver-version>
<sebserver-version>1.2.3</sebserver-version>
<build-version>${sebserver-version}</build-version>
<revision>${sebserver-version}</revision>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

View file

@ -530,6 +530,10 @@ public final class Utils {
return getMillisecondsNow() / 1000;
}
public static long toSeconds(final long millis) {
return millis / 1000;
}
public static RGB toRGB(final String rgbString) {
if (StringUtils.isNotBlank(rgbString)) {
return new RGB(
@ -661,4 +665,5 @@ public final class Utils {
return false; // Either timeout or unreachable or failed DNS lookup.
}
}
}

View file

@ -487,7 +487,7 @@ public class MonitoringProctoringService {
try {
final boolean active = room.roomSize > 0 && !room.isOpen;
final boolean active = room.roomSize > 0 /* && !room.isOpen SEBSERV-236 */;
final Display display = pageContext.getRoot().getDisplay();
final PageAction action = (PageAction) treeItem.getData(ActionPane.ACTION_EVENT_CALL_KEY);
final Image image = active

View file

@ -101,7 +101,7 @@ public class ProctoringGUIService {
public boolean isCollectingRoomEnabled(final String roomName) {
try {
final Pair<RemoteProctoringRoom, TreeItem> pair = this.collectingRoomsActionState.get(roomName);
return pair.a.roomSize > 0 && !pair.a.isOpen;
return pair.a.roomSize > 0 /* && !pair.a.isOpen SEBSERV-236 */;
} catch (final Exception e) {
log.error("Failed to get actual collecting room size for room: {} cause: ", roomName, e.getMessage());
return false;

View file

@ -9,9 +9,12 @@
package ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.olat;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpRequest;
import org.springframework.http.HttpStatus;
@ -66,12 +69,15 @@ public class OlatLmsRestTemplate extends RestTemplate {
private void authenticate() {
// Authenticate with OLAT and store the received X-OLAT-TOKEN
this.token = "authenticating";
final String authUrl = String.format("%s%s?password=%s",
this.details.getAccessTokenUri(),
this.details.getClientId(),
this.details.getClientSecret());
final String authUrl = this.details.getAccessTokenUri();
final Map<String, String> credentials = new HashMap<>();
credentials.put("username", this.details.getClientId());
credentials.put("password", this.details.getClientSecret());
final HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.set("content-type", "application/json");
final HttpEntity<Map<String,String>> requestEntity = new HttpEntity<>(credentials, httpHeaders);
try {
final ResponseEntity<String> response = this.getForEntity(authUrl, String.class);
final ResponseEntity<String> response = this.postForEntity(authUrl, requestEntity, String.class);
final HttpHeaders responseHeaders = response.getHeaders();
log.debug("OLAT [authenticate] {} Headers: {}", response.getStatusCode(), responseHeaders);
this.token = responseHeaders.getFirst("X-OLAT-TOKEN");

View file

@ -133,6 +133,7 @@ class ExamSessionControlTask implements DisposableBean {
.getOrThrow()
.stream()
.filter(exam -> exam.startTime.minus(this.examTimePrefix).isBefore(now))
.filter(exam -> exam.endTime != null && exam.endTime.plus(this.examTimeSuffix).isAfter(now))
.flatMap(exam -> Result.skipOnError(this.examUpdateHandler.setRunning(exam, updateId)))
.collect(Collectors.toMap(Exam::getId, Exam::getName));

View file

@ -56,6 +56,7 @@ import ch.ethz.seb.sebserver.gbl.api.JSONMapper;
import ch.ethz.seb.sebserver.gbl.async.AsyncService;
import ch.ethz.seb.sebserver.gbl.async.CircuitBreaker;
import ch.ethz.seb.sebserver.gbl.client.ClientCredentials;
import ch.ethz.seb.sebserver.gbl.model.exam.Exam;
import ch.ethz.seb.sebserver.gbl.model.exam.ProctoringRoomConnection;
import ch.ethz.seb.sebserver.gbl.model.exam.ProctoringServiceSettings;
import ch.ethz.seb.sebserver.gbl.model.exam.ProctoringServiceSettings.ProctoringServerType;
@ -92,6 +93,8 @@ public class ZoomProctoringService implements ExamProctoringService {
"{\"alg\":\"HS256\",\"typ\":\"JWT\"}";
private static final String ZOOM_API_ACCESS_TOKEN_PAYLOAD =
"{\"iss\":\"%s\",\"exp\":%s}";
private static final String ZOOM_SDK_ACCESS_TOKEN_PAYLOAD =
"{\"appKey\":\"%s\",\"iat\":%s,\"exp\":%s,\"tokenExp\":%s}";
private static final Map<String, String> SEB_API_NAME_INSTRUCTION_NAME_MAPPING = Utils.immutableMapOf(Arrays.asList(
new Tuple<>(
@ -260,7 +263,7 @@ public class ZoomProctoringService implements ExamProctoringService {
proctoringSettings.appSecret,
remoteProctoringRoom.joinKey);
final String jwt = this.createJWTForMeetingAccess(
final String jwt = this.createSignatureForMeetingAccess(
credentials,
String.valueOf(additionalZoomRoomData.meeting_id),
true);
@ -275,7 +278,7 @@ public class ZoomProctoringService implements ExamProctoringService {
sdkJWT = this.createJWTForSDKAccess(
sdkCredentials,
String.valueOf(additionalZoomRoomData.meeting_id));
forExam(proctoringSettings));
}
return new ProctoringRoomConnection(
@ -316,7 +319,7 @@ public class ZoomProctoringService implements ExamProctoringService {
proctoringSettings.appSecret,
remoteProctoringRoom.joinKey);
final String jwt = this.createJWTForMeetingAccess(
final String signature = this.createSignatureForMeetingAccess(
credentials,
String.valueOf(additionalZoomRoomData.meeting_id),
false);
@ -335,7 +338,7 @@ public class ZoomProctoringService implements ExamProctoringService {
sdkJWT = this.createJWTForSDKAccess(
sdkCredentials,
String.valueOf(additionalZoomRoomData.meeting_id));
forExam(proctoringSettings));
}
return new ProctoringRoomConnection(
@ -345,7 +348,7 @@ public class ZoomProctoringService implements ExamProctoringService {
additionalZoomRoomData.join_url,
roomName,
subject,
jwt,
signature,
sdkJWT,
credentials.accessToken,
credentials.clientId,
@ -646,12 +649,57 @@ public class ZoomProctoringService implements ExamProctoringService {
private String createJWTForSDKAccess(
final ClientCredentials sdkCredentials,
final String meetingId) {
final Long expTime) {
return createJWTForMeetingAccess(sdkCredentials, meetingId, false);
try {
final CharSequence decryptedSecret = this.cryptor
.decrypt(sdkCredentials.secret)
.getOrThrow();
final StringBuilder builder = new StringBuilder();
final Encoder urlEncoder = Base64.getUrlEncoder().withoutPadding();
final String jwtHeaderPart = urlEncoder
.encodeToString(ZOOM_ACCESS_TOKEN_HEADER.getBytes(StandardCharsets.UTF_8));
// epoch time in seconds
final long secondsNow = Utils.getSecondsNow();
final String jwtPayload = String.format(
ZOOM_SDK_ACCESS_TOKEN_PAYLOAD
.replaceAll(" ", "")
.replaceAll("\n", ""),
sdkCredentials.clientIdAsString(),
secondsNow,
expTime,
expTime);
final String jwtPayloadPart = urlEncoder
.encodeToString(jwtPayload.getBytes(StandardCharsets.UTF_8));
final String message = jwtHeaderPart + "." + jwtPayloadPart;
final Mac sha256_HMAC = Mac.getInstance(TOKEN_ENCODE_ALG);
final SecretKeySpec secret_key = new SecretKeySpec(
Utils.toByteArray(decryptedSecret),
TOKEN_ENCODE_ALG);
sha256_HMAC.init(secret_key);
final String hash = urlEncoder
.encodeToString(sha256_HMAC.doFinal(Utils.toByteArray(message)));
builder.append(message)
.append(".")
.append(hash);
return builder.toString();
} catch (final Exception e) {
throw new RuntimeException("Failed to create JWT for Zoom API access: ", e);
}
}
private String createJWTForMeetingAccess(
private String createSignatureForMeetingAccess(
final ClientCredentials credentials,
final String meetingId,
final boolean host) {
@ -683,6 +731,27 @@ public class ZoomProctoringService implements ExamProctoringService {
}
}
private long forExam(final ProctoringServiceSettings examProctoring) {
if (examProctoring.examId == null) {
throw new IllegalStateException("Missing exam identifier from ExamProctoring data");
}
long expTime = Utils.toSeconds(System.currentTimeMillis() + Constants.DAY_IN_MILLIS);
if (this.examSessionService.isExamRunning(examProctoring.examId)) {
final Exam exam = this.examSessionService.getRunningExam(examProctoring.examId)
.getOrThrow();
if (exam.endTime != null) {
expTime = Utils.toSeconds(exam.endTime.getMillis());
}
}
// refer to https://marketplace.zoom.us/docs/sdk/native-sdks/auth
// "exp": 0, //JWT expiration date (Min:1800 seconds greater than iat value, Max: 48 hours greater than iat value) in epoch format.
if (expTime - Utils.getSecondsNow() > Utils.toSeconds(2 * Constants.DAY_IN_MILLIS)) {
expTime = Utils.toSeconds(System.currentTimeMillis() + Constants.DAY_IN_MILLIS);
}
return expTime;
}
private final static class ZoomRestTemplate {
private static final int LIZENSED_USER = 2;