1 files changed, 180 insertions, 0 deletions
diff --git a/sdnr/wt/oauth-provider/oauth-core/src/main/java/org/onap/ccsdk/features/sdnr/wt/oauthprovider/providers/GitlabProviderService.java b/sdnr/wt/oauth-provider/oauth-core/src/main/java/org/onap/ccsdk/features/sdnr/wt/oauthprovider/providers/GitlabProviderService.java
new file mode 100644
index 000000000..d271948c2
--- /dev/null
+++ b/sdnr/wt/oauth-provider/oauth-core/src/main/java/org/onap/ccsdk/features/sdnr/wt/oauthprovider/providers/GitlabProviderService.java
@@ -0,0 +1,180 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2021 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.oauthprovider.providers;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import org.onap.ccsdk.features.sdnr.wt.oauthprovider.data.Config;
+import org.onap.ccsdk.features.sdnr.wt.oauthprovider.data.OAuthProviderConfig;
+import org.onap.ccsdk.features.sdnr.wt.oauthprovider.data.UnableToConfigureOAuthService;
+import org.onap.ccsdk.features.sdnr.wt.oauthprovider.data.UserTokenPayload;
+import org.onap.ccsdk.features.sdnr.wt.oauthprovider.http.client.MappedBaseHttpResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class GitlabProviderService extends AuthService {
+
+    private static final Logger LOG = LoggerFactory.getLogger(GitlabProviderService.class);
+    private Map<String, String> additionalTokenVerifierParams;
+    protected final List<String> randomIds;
+    private static final String API_USER_URI = "/api/v4/user";
+    private static final String API_GROUP_URI = "/api/v4/groups?min_access_level=10";
+
+    public GitlabProviderService(OAuthProviderConfig config, String redirectUri, TokenCreator tokenCreator) throws UnableToConfigureOAuthService {
+        super(config, redirectUri, tokenCreator);
+        this.additionalTokenVerifierParams = new HashMap<>();
+        this.additionalTokenVerifierParams.put("grant_type", "authorization_code");
+        this.randomIds = new ArrayList<>();
+    }
+
+    @Override
+    protected String getTokenVerifierUri() {
+        return "/oauth/token";
+    }
+
+    @Override
+    protected String getLoginUrl(String callbackUrl) {
+        return String.format("%s/oauth/authorize?client_id=%s&response_type=code&state=%s&redirect_uri=%s",
+                this.config.getUrl(), urlEncode(this.config.getClientId()), this.createRandomId(), callbackUrl);
+    }
+
+    @Override
+    protected String getLogoutUrl() {
+        return String.format("%s/oauth/logout", this.config.getUrl());
+    }
+
+    private String createRandomId() {
+        String rnd = null;
+        while(true) {
+            rnd=Config.generateSecret(20);
+            if(!this.randomIds.contains(rnd)) {
+                break;
+            }
+        }
+        this.randomIds.add(rnd);
+        return rnd;
+    }
+
+    @Override
+    protected ResponseType getResponseType() {
+        return ResponseType.CODE;
+    }
+
+    @Override
+    protected Map<String, String> getAdditionalTokenVerifierParams() {
+        return this.additionalTokenVerifierParams;
+
+    }
+
+    @Override
+    protected boolean doSeperateRolesRequest() {
+        return true;
+    }
+
+    @Override
+    protected UserTokenPayload mapAccessToken(String spayload) throws JsonMappingException, JsonProcessingException {
+        return null;
+    }
+
+    @Override
+    protected UserTokenPayload requestUserRoles(String access_token, long issued_at, long expires_at) {
+        LOG.info("reqesting user roles with token={}", access_token);
+        Map<String, String> authHeaders = new HashMap<>();
+        authHeaders.put("Authorization", String.format("Bearer %s", access_token));
+        Optional<MappedBaseHttpResponse<GitlabUserInfo>> userInfo =
+                this.getHttpClient().sendMappedRequest(API_USER_URI, "GET", null, authHeaders, GitlabUserInfo.class);
+        if (userInfo.isEmpty()) {
+            LOG.warn("unable to read user data");
+            return null;
+        }
+        Optional<MappedBaseHttpResponse<GitlabGroupInfo[]>> groupInfos = this.getHttpClient()
+                .sendMappedRequest(API_GROUP_URI, "GET", null, authHeaders, GitlabGroupInfo[].class);
+        if (groupInfos.isEmpty()) {
+            LOG.warn("unable to read group information for user");
+            return null;
+        }
+        UserTokenPayload data = new UserTokenPayload();
+        GitlabUserInfo uInfo = userInfo.get().body;
+        data.setPreferredUsername(uInfo.getUsername());
+        data.setGivenName(uInfo.getName());
+        data.setFamilyName(uInfo.getName());
+        data.setIat(issued_at);
+        data.setExp(expires_at);
+        List<String> roles = new ArrayList<>();
+        GitlabGroupInfo[] uRoles = groupInfos.get().body;
+        for (GitlabGroupInfo uRole : uRoles) {
+            roles.add(uRole.getName());
+        }
+        data.setRoles(this.mapRoles(roles));
+        return data;
+    }
+
+
+
+    @SuppressWarnings("unused")
+    private static class GitlabUserInfo {
+
+        private String username;
+        private String name;
+
+        public String getUsername() {
+            return username;
+        }
+
+        public void setUsername(String username) {
+            this.username = username;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+    @SuppressWarnings("unused")
+    private static class GitlabGroupInfo {
+        private String name;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+    @Override
+    protected boolean verifyState(String state) {
+        if(this.randomIds.contains(state)) {
+            this.randomIds.remove(state);
+            return true;
+        }
+        return false;
+    }
+}