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Merge pull request #34 from sealexan/dev-lms-ans

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Implement AnsLms integration
This commit is contained in:
Andreas Hefti 2021-08-30 10:45:12 +02:00 committed by GitHub
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3 changed files with 423 additions and 109 deletions
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384
src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/ans/AnsLmsAPITemplate.java
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@ -8,22 +8,50 @@
package ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.ans;
import java.util.Optional;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.Map;
import java.util.HashMap;
import java.util.Arrays;
import java.util.stream.Stream;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.Locale;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.springframework.cache.CacheManager;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.http.MediaType;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.core.env.Environment;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
import org.springframework.security.oauth2.client.OAuth2RestTemplate;
import org.springframework.security.oauth2.client.resource.OAuth2AccessDeniedException;
import org.springframework.security.oauth2.client.resource.OAuth2ProtectedResourceDetails;
import org.springframework.security.oauth2.client.resource.UserRedirectRequiredException;
import org.springframework.security.oauth2.client.token.AccessTokenRequest;
import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsAccessTokenProvider;
import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
import org.springframework.security.oauth2.client.token.grant.code.AuthorizationCodeResourceDetails;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.oauth2.common.util.OAuth2Utils;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.web.util.DefaultUriBuilderFactory;
import org.springframework.web.util.DefaultUriBuilderFactory.EncodingMode;
import ch.ethz.seb.sebserver.gbl.Constants;
import ch.ethz.seb.sebserver.ClientHttpRequestFactoryService;
import ch.ethz.seb.sebserver.gbl.api.APIMessage;
import ch.ethz.seb.sebserver.gbl.async.AsyncService;
@ -48,19 +76,22 @@ import ch.ethz.seb.sebserver.webservice.servicelayer.lms.LmsAPIService;
import ch.ethz.seb.sebserver.webservice.servicelayer.lms.LmsAPITemplate;
import ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.AbstractCachedCourseAccess;
import ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.ans.AnsLmsData.AssignmentData;
import ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.ans.AnsLmsData.UserData;
import ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.ans.AnsLmsData.AccessibilitySettingsData;
public class AnsLmsAPITemplate extends AbstractCachedCourseAccess implements LmsAPITemplate {
// TODO add needed dependencies here
private static final Logger log = LoggerFactory.getLogger(AnsLmsAPITemplate.class);
private final ClientHttpRequestFactoryService clientHttpRequestFactoryService;
private final ClientCredentialService clientCredentialService;
private final APITemplateDataSupplier apiTemplateDataSupplier;
private final Long lmsSetupId;
private AnsPersonalRestTemplate cachedRestTemplate;
protected AnsLmsAPITemplate(
// TODO if you need more dependencies inject them here and set the reference
final ClientHttpRequestFactoryService clientHttpRequestFactoryService,
final ClientCredentialService clientCredentialService,
final APITemplateDataSupplier apiTemplateDataSupplier,
@ -97,28 +128,19 @@ public class AnsLmsAPITemplate extends AbstractCachedCourseAccess implements Lms
if (testLmsSetupSettings.hasAnyError()) {
return testLmsSetupSettings;
}
// TODO check if the course API of the remote LMS is available
// if not, create corresponding LmsSetupTestResult error
try {
this.getRestTemplate().get();
} catch (final RuntimeException e) {
log.error("Failed to access Ans course API: ", e);
return LmsSetupTestResult.ofQuizAccessAPIError(LmsType.ANS_DELFT, e.getMessage());
}
return LmsSetupTestResult.ofOkay(LmsType.ANS_DELFT);
}
@Override
public LmsSetupTestResult testCourseRestrictionAPI() {
final LmsSetupTestResult testLmsSetupSettings = testLmsSetupSettings();
if (testLmsSetupSettings.hasAnyError()) {
return testLmsSetupSettings;
}
if (LmsType.ANS_DELFT.features.contains(Features.SEB_RESTRICTION)) {
// TODO check if the course API of the remote LMS is available
// if not, create corresponding LmsSetupTestResult error
}
return LmsSetupTestResult.ofOkay(LmsType.ANS_DELFT);
return testCourseAccessAPI();
}
private LmsSetupTestResult testLmsSetupSettings() {
@ -203,58 +225,124 @@ public class AnsLmsAPITemplate extends AbstractCachedCourseAccess implements Lms
return super.protectedQuizRequest(id);
}
private List<QuizData> collectAllQuizzes(final AnsPersonalRestTemplate restTemplate) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
final List<QuizData> quizDatas = getAssignments(restTemplate)
.stream()
.map(a -> quizDataFromAnsData(lmsSetup, a))
.collect(Collectors.toList());
quizDatas.forEach(q -> super.putToCache(q));
return quizDatas;
}
private QuizData getQuizByAssignmentId(final RestTemplate restTemplate, String id) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
final AssignmentData a = getAssignmentById(restTemplate, id);
return quizDataFromAnsData(lmsSetup, a);
}
private QuizData quizDataFromAnsData(LmsSetup lmsSetup, AssignmentData a) {
// In Ans, one assignment can have multiple timeslots, but the SEB restriciton
// is done at the assignment level, so timeslots don't really matter.
// An assignment's start_at and end_at dates indicate when the first timeslot starts
// and the last timeslot ends. If these are null, there are no timeslots, yet.
// In that case, we create a placeholder timeslot to display in SEB server.
if (a.start_at == null) {
a.start_at = java.time.Instant.now().plus(365, java.time.temporal.ChronoUnit.DAYS).toString();
a.end_at = java.time.Instant.now().plus(366, java.time.temporal.ChronoUnit.DAYS).toString();
}
final DateTime startTime = new DateTime(a.start_at);
final DateTime endTime = new DateTime(a.end_at);
return new QuizData(
String.valueOf(a.id),
lmsSetup.getInstitutionId(),
lmsSetup.id,
lmsSetup.getLmsType(),
String.format("%s", a.name),
String.format(""),
startTime,
endTime,
a.start_url,
Map.of("assignment_id", String.valueOf(a.id)));
}
private List<AssignmentData> getAssignments(final RestTemplate restTemplate) {
// NOTE: at the moment, seb_server_enabled cannot be set inside the Ans GUI,
// only via the API, so we need to list all assignments. Maybe in the future,
// we can only list those for which seb server has been enabled in Ans (like in OLAT):
//final String url = "/api/v2/search/assignments?query=seb_server_enabled:true";
final String url = "/api/v2/search/assignments";
return this.apiGetList(restTemplate, url, new ParameterizedTypeReference<List<AssignmentData>>(){});
}
private AssignmentData getAssignmentById(final RestTemplate restTemplate, String id) {
final String url = String.format("/api/v2/assignments/%s", id);
return this.apiGet(restTemplate, url, AssignmentData.class);
}
private List<QuizData> getQuizzesByIds(final RestTemplate restTemplate, final Set<String> ids) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
return ids.stream().map(id -> {
final String url = String.format("/api/v2/assignments/%s", id);
return this.apiGet(restTemplate, url, AssignmentData.class);
}).map(a -> {
final QuizData quizData = quizDataFromAnsData(lmsSetup, a);
super.putToCache(quizData);
return quizData;
})
.collect(Collectors.toList());
}
@Override
protected Supplier<List<QuizData>> allQuizzesSupplier(final FilterMap filterMap) {
@SuppressWarnings("unused")
final String quizName = filterMap.getString(QuizData.FILTER_ATTR_QUIZ_NAME);
@SuppressWarnings("unused")
final DateTime quizFromTime = (filterMap != null) ? filterMap.getQuizFromTime() : null;
// We cannot filter by from-date or partial names using the Ans search API.
// Only exact matches are permitted. So we're not implementing filtering
// on the API level and always retrieve all assignments and let SEB server
// do the filtering.
return () -> {
// TODO get all course / quiz data from remote LMS that matches the filter criteria.
// put loaded QuizData to the cache: super.putToCache(quizDataCollection);
// before returning it.
throw new RuntimeException("TODO");
List<QuizData> res = getRestTemplate()
.map(this::collectAllQuizzes)
.getOrThrow();
super.putToCache(res);
return res;
};
}
@Override
protected Supplier<Collection<QuizData>> quizzesSupplier(final Set<String> ids) {
return () -> {
// TODO get all quiz / course data for specified identifiers from remote LMS
// and put it to the cache: super.putToCache(quizDataCollection);
// before returning it.
throw new RuntimeException("TODO");
};
return () -> getRestTemplate()
.map(t -> this.getQuizzesByIds(t, ids))
.getOrThrow();
}
@Override
protected Supplier<QuizData> quizSupplier(final String id) {
return () -> {
return () -> getRestTemplate()
.map(t -> this.getQuizByAssignmentId(t, id))
.getOrThrow();
}
// TODO get the specified quiz / course data for specified identifier from remote LMS
// and put it to the cache: super.putToCache(quizDataCollection);
// before returning it.
throw new RuntimeException("TODO");
};
private ExamineeAccountDetails getExamineeById(final RestTemplate restTemplate, final String id) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
final String url = String.format("/api/v2/users/%s", id);
UserData u = this.apiGet(restTemplate, url, UserData.class);
final Map<String, String> attrs = new HashMap<>();
attrs.put("role", u.role);
attrs.put("affiliation", u.affiliation);
attrs.put("active", u.active ? "yes": "no");
return new ExamineeAccountDetails(
String.valueOf(u.id),
u.last_name + ", " + u.first_name,
u.external_id,
u.email_address,
attrs);
}
@Override
protected Supplier<ExamineeAccountDetails> accountDetailsSupplier(final String examineeSessionId) {
return () -> {
// TODO get the examinee's account details by the given examineeSessionId from remote LMS.
// Currently only the name is needed to display on monitoring view.
throw new RuntimeException("TODO");
};
protected Supplier<ExamineeAccountDetails> accountDetailsSupplier(final String id) {
return () -> getRestTemplate()
.map(t -> this.getExamineeById(t, id))
.getOrThrow();
}
@Override
@ -266,79 +354,157 @@ public class AnsLmsAPITemplate extends AbstractCachedCourseAccess implements Lms
@Override
public Result<SEBRestriction> getSEBClientRestriction(final Exam exam) {
@SuppressWarnings("unused")
final String quizId = exam.externalId;
return getRestTemplate()
.map(t -> this.getRestrictionForAssignmentId(t, exam.externalId));
}
return Result.tryCatch(() -> {
private SEBRestriction getRestrictionForAssignmentId(final RestTemplate restTemplate, String id) {
final String url = String.format("/api/v2/assignments/%s", id);
final AssignmentData assignment = this.apiGet(restTemplate, url, AssignmentData.class);
final AccessibilitySettingsData ts = assignment.accessibility_settings;
return new SEBRestriction(Long.valueOf(id), ts.config_keys, null, new HashMap<String, String>());
}
// TODO get the SEB client restrictions that are currently set on the remote LMS for
// the given quiz / course derived from the given exam
private SEBRestriction setRestrictionForAssignmentId(final RestTemplate restTemplate, String id, SEBRestriction restriction) {
final String url = String.format("/api/v2/assignments/%s", id);
final AssignmentData assignment = getAssignmentById(restTemplate, id);
assignment.accessibility_settings.config_keys = new ArrayList<>(restriction.configKeys);
assignment.accessibility_settings.seb_server_enabled = true;
final AssignmentData r = this.apiPatch(restTemplate, url, assignment, AssignmentData.class, AssignmentData.class);
final AccessibilitySettingsData ts = assignment.accessibility_settings;
return new SEBRestriction(Long.valueOf(id), ts.config_keys, null, new HashMap<String, String>());
}
throw new RuntimeException("TODO");
});
private SEBRestriction deleteRestrictionForAssignmentId(final RestTemplate restTemplate, String id) {
final String url = String.format("/api/v2/assignments/%s", id);
final AssignmentData assignment = getAssignmentById(restTemplate, id);
assignment.accessibility_settings.config_keys = null;
assignment.accessibility_settings.seb_server_enabled = false;
final AssignmentData r = this.apiPatch(restTemplate, url, assignment, AssignmentData.class, AssignmentData.class);
final AccessibilitySettingsData ts = assignment.accessibility_settings;
return new SEBRestriction(Long.valueOf(id), ts.config_keys, null, new HashMap<String, String>());
}
@Override
public Result<SEBRestriction> applySEBClientRestriction(
final String externalExamId,
final SEBRestriction sebRestrictionData) {
return Result.tryCatch(() -> {
// TODO apply the given sebRestrictionData settings as current SEB client restriction setting
// to the remote LMS for the given quiz / course.
// Mainly SEBRestriction.configKeys and SEBRestriction.browserExamKeys
throw new RuntimeException("TODO");
});
return getRestTemplate()
.map(t -> this.setRestrictionForAssignmentId(t, externalExamId, sebRestrictionData));
}
@Override
public Result<Exam> releaseSEBClientRestriction(final Exam exam) {
@SuppressWarnings("unused")
final String quizId = exam.externalId;
return getRestTemplate()
.map(t -> this.deleteRestrictionForAssignmentId(t, exam.externalId))
.map(x -> exam);
}
private enum LinkRel {
FIRST, LAST, PREV, NEXT
}
private class PageLink {
public String link;
public LinkRel rel;
public PageLink(String l, LinkRel r) { link = l; rel = r; }
}
private List<PageLink> parseLinks(String header) {
// Extracts the individual links from a header that looks like this:
// <https://staging.ans.app/api/v2/search/assignments?query=seb_server_enabled%3Atrue&page=1&items=20>; rel="first",<https://staging.ans.app/api/v2/search/assignments?query=seb_server_enabled%3Atrue&page=1&items=20>; rel="last"
final Stream<String> links = Arrays.stream(header.split(","));
return links
.map(s -> {
String[] pair = s.split(";");
String link = pair[0].trim().substring(1).replaceFirst(".$",""); // remove < >
String relName = pair[1].trim().substring(5).replaceFirst(".$",""); // remove rel=" "
return new PageLink(link, LinkRel.valueOf(relName.toUpperCase(Locale.ROOT)));
})
.collect(Collectors.toList());
}
private Optional<PageLink> getNextLink(List<PageLink> links) {
return links.stream().filter(l -> l.rel == LinkRel.NEXT).findFirst();
}
private <T> List<T> apiGetList(final RestTemplate restTemplate, String url, ParameterizedTypeReference<List<T>> type) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
return apiGetListPages(restTemplate, lmsSetup.lmsApiUrl + url, type);
}
private <T> List<T> apiGetListPages(final RestTemplate restTemplate, String link, ParameterizedTypeReference<List<T>> type) {
// unlike the other api methods, this one takes an explicit link
// instead of prepending lmsSetup.lmsApiUrl. This is done because Ans
// provides absolute links for pagination. This method calls itself
// recursively to retrieve multiple pages.
final HttpHeaders requestHeaders = new HttpHeaders();
requestHeaders.set("accept", "application/json");
ResponseEntity<List<T>> response = restTemplate.exchange(
link,
HttpMethod.GET,
new HttpEntity<>(requestHeaders),
type);
final List<T> page = response.getBody();
final HttpHeaders responseHeaders = response.getHeaders();
final List<PageLink> links = parseLinks(responseHeaders.getFirst("link"));
final List<T> nextPage = getNextLink(links).map( l -> {
return apiGetListPages(restTemplate, l.link, type);
}).orElse(new ArrayList<T>());
page.addAll(nextPage);
return page;
}
private <T> T apiGet(final RestTemplate restTemplate, String url, Class<T> type) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
final HttpHeaders requestHeaders = new HttpHeaders();
requestHeaders.set("accept", "application/json");
ResponseEntity<T> res = restTemplate.exchange(
lmsSetup.lmsApiUrl + url,
HttpMethod.GET,
new HttpEntity<>(requestHeaders),
type);
return res.getBody();
}
private <P,R> R apiPatch(final RestTemplate restTemplate, String url, P patch, Class<P> patchType, Class<R> responseType) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
final HttpHeaders requestHeaders = new HttpHeaders();
requestHeaders.set("content-type", "application/json");
HttpEntity<P> requestEntity = new HttpEntity<>(patch, requestHeaders);
final ResponseEntity<R> res = restTemplate.exchange(
lmsSetup.lmsApiUrl + url,
HttpMethod.PATCH,
requestEntity,
responseType);
return res.getBody();
}
private Result<AnsPersonalRestTemplate> getRestTemplate() {
return Result.tryCatch(() -> {
if (this.cachedRestTemplate != null) { return this.cachedRestTemplate; }
// TODO Release respectively delete all SEB client restrictions for the given
// course / quize on the remote LMS.
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
final ClientCredentials credentials = this.apiTemplateDataSupplier.getLmsClientCredentials();
final ProxyData proxyData = this.apiTemplateDataSupplier.getProxyData();
throw new RuntimeException("TODO");
final CharSequence plainClientId = credentials.clientId;
final CharSequence plainClientSecret = this.clientCredentialService
.getPlainClientSecret(credentials)
.getOrThrow();
final ClientCredentialsResourceDetails details = new ClientCredentialsResourceDetails();
details.setClientSecret(plainClientSecret.toString());
final ClientHttpRequestFactory clientHttpRequestFactory = this.clientHttpRequestFactoryService
.getClientHttpRequestFactory(proxyData)
.getOrThrow();
final AnsPersonalRestTemplate template = new AnsPersonalRestTemplate(details);
template.setRequestFactory(clientHttpRequestFactory);
this.cachedRestTemplate = template;
return this.cachedRestTemplate;
});
}
// TODO: This is an example of how to create a RestTemplate for the service to access the LMS API
// The example deals with a Http based API that is secured by an OAuth2 client-credential flow.
// You might need some different template, then you have to adapt this code
// To your needs.
@SuppressWarnings("unused")
private OAuth2RestTemplate createRestTemplate(final String accessTokenRequestPath) {
final LmsSetup lmsSetup = this.apiTemplateDataSupplier.getLmsSetup();
final ClientCredentials credentials = this.apiTemplateDataSupplier.getLmsClientCredentials();
final ProxyData proxyData = this.apiTemplateDataSupplier.getProxyData();
final CharSequence plainClientId = credentials.clientId;
final CharSequence plainClientSecret = this.clientCredentialService
.getPlainClientSecret(credentials)
.getOrThrow();
final ClientCredentialsResourceDetails details = new ClientCredentialsResourceDetails();
details.setAccessTokenUri(lmsSetup.lmsApiUrl + accessTokenRequestPath);
details.setClientId(plainClientId.toString());
details.setClientSecret(plainClientSecret.toString());
final ClientHttpRequestFactory clientHttpRequestFactory = this.clientHttpRequestFactoryService
.getClientHttpRequestFactory(proxyData)
.getOrThrow();
final OAuth2RestTemplate template = new OAuth2RestTemplate(details);
template.setRequestFactory(clientHttpRequestFactory);
return template;
}
}

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src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/ans/AnsLmsData.java Normal file
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@ -0,0 +1,104 @@
/*
* Copyright (c) 2021 ETH Zürich, Educational Development and Technology (LET)
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.ans;
import java.util.List;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
public final class AnsLmsData {
@JsonIgnoreProperties(ignoreUnknown = true)
static final class AccessibilitySettingsData {
/* Ans API example: see nested in AssignmentData */
public boolean seb_server_enabled;
public List<String> config_keys;
}
@JsonIgnoreProperties(ignoreUnknown = true)
static final class AssignmentData {
/* Ans API example:
{
"id": 78711,
"course_id": 44412,
"name": "Digital test demo",
"summative": false,
"assignment_type": "Quiz",
"start_at": "2021-08-18T09:00:00.000+02:00",
"end_at": "2021-08-18T12:00:00.000+02:00",
"created_at": "2021-06-21T12:24:28.538+02:00",
"updated_at": "2021-08-17T03:41:56.747+02:00",
"trashed": false,
"start_url": "https://staging.ans.app/digital_test/assignments/78805/results/new",
"accessibility_settings": {
"attempts": 1,
"restricted_access_to_other_pages": false,
"notes": false,
"spellchecker": false,
"feedback": false,
"forced_test_navigation": false,
"cannot_reopen_question_groups": false,
"seb_server_enabled": true,
"config_keys": [
"9dd14ac828617116a1230c71b9a1aa9e06f43b32d9fa7db67f4fa113a6896e83e"
]
},
"grades_settings": {
"grade_calculation": "formula",
"grade_formula": "1 + 9 * points / total",
"rounding": "decimal",
"grade_lower_bound": true,
"grade_lower_limit": "1.0",
"grade_upper_bound": true,
"grade_upper_limit": "10.0",
"guess_correction": false,
"passed_grade": "5.5"
}
}
*/
public long id;
public long course_id;
public String name;
public String external_id;
public String start_at;
public String end_at;
public String start_url;
public AccessibilitySettingsData accessibility_settings;
}
@JsonIgnoreProperties(ignoreUnknown = true)
static final class UserData {
/* Ans API example:
{
"id": 726404,
"student_number": null,
"first_name": "John",
"middle_name": null,
"last_name": "Doe",
"external_id": null,
"created_at": "2021-06-21T12:07:11.668+02:00",
"updated_at": "2021-07-26T20:16:01.638+02:00",
"active": true,
"email_address": "person@example.org",
"affiliation": "employee",
"role": "owner"
}
*/
public long id;
public String first_name;
public String last_name;
public String email_address;
public String external_id;
public String role;
public String affiliation;
public boolean active;
}
}

44
src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/ans/AnsPersonalRestTemplate.java Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (c) 2021 ETH Zürich, Educational Development and Technology (LET)
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package ch.ethz.seb.sebserver.webservice.servicelayer.lms.impl.ans;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.client.RestTemplate;
import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsResourceDetails;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpRequest;
import org.springframework.http.HttpHeaders;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;
public class AnsPersonalRestTemplate extends RestTemplate {
private static final Logger log = LoggerFactory.getLogger(AnsPersonalRestTemplate.class);
public String token;
public AnsPersonalRestTemplate(ClientCredentialsResourceDetails details) {
super();
token = details.getClientSecret();
this.getInterceptors().add(new ClientHttpRequestInterceptor(){
@Override
public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
request.getHeaders().set("Authorization", "Bearer " + token);
//log.debug("Matching curl: curl -X GET {} -H 'accept: application/json' -H 'Authorization: Bearer {}'", request.getURI(), token);
ClientHttpResponse response = execution.execute(request, body);
log.debug("Response Headers : {}", response.getHeaders());
return response;
}
});
}
}