Add realm for api key

scm-webapp/src/main/java/sonia/scm/security/ApiKeyRealm.java

@@ -0,0 +1,67 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.security;
+
+import org.apache.shiro.authc.AuthenticationException;
+import org.apache.shiro.authc.AuthenticationInfo;
+import org.apache.shiro.authc.AuthenticationToken;
+import org.apache.shiro.authc.credential.AllowAllCredentialsMatcher;
+import org.apache.shiro.realm.AuthenticatingRealm;
+import sonia.scm.plugin.Extension;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import java.util.Optional;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+@Singleton
+@Extension
+public class ApiKeyRealm extends AuthenticatingRealm {
+
+  private final ApiKeyService apiKeyService;
+  private final DAORealmHelper helper;
+
+  @Inject
+  public ApiKeyRealm(ApiKeyService apiKeyService, DAORealmHelperFactory helperFactory) {
+    this.apiKeyService = apiKeyService;
+    this.helper = helperFactory.create("ApiTokenRealm");
+    setAuthenticationTokenClass(BearerToken.class);
+    setCredentialsMatcher(new AllowAllCredentialsMatcher());
+  }
+
+  @Override
+  protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) {
+    checkArgument(token instanceof BearerToken, "%s is required", BearerToken.class);
+    BearerToken bt = (BearerToken) token;
+    ApiKeyService.CheckResult check = apiKeyService.check(bt.getCredentials());
+    return helper
+      .authenticationInfoBuilder(check.getUser())
+      .withSessionId(bt.getPrincipal())
+//      .withScope()
+      .build();
+  }
+}

scm-webapp/src/main/java/sonia/scm/security/ApiKeyService.java

@@ -37,7 +37,6 @@ import sonia.scm.store.ConfigurationEntryStoreFactory;
 import javax.inject.Inject;
 import java.security.SecureRandom;
 import java.util.Collection;
-import java.util.Optional;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.function.Supplier;
@@ -114,16 +113,16 @@ public class ApiKeyService {
     }
   }
 
-  Optional<String> check(String tokenAsString) {
+  CheckResult check(String tokenAsString) {
     return check(tokenHandler.readToken(tokenAsString)
       .orElseThrow(AuthorizationException::new));
   }
 
-  private Optional<String> check(ApiKeyTokenHandler.Token token) {
+  private CheckResult check(ApiKeyTokenHandler.Token token) {
     return check(token.getUser(), token.getApiKeyId(), token.getPassphrase());
   }
 
-  Optional<String> check(String user, String id, String passphrase) {
+  CheckResult check(String user, String id, String passphrase) {
     Lock lock = locks.get(user).readLock();
     lock.lock();
     try {
@@ -134,7 +133,9 @@ public class ApiKeyService {
         .filter(key -> key.getId().equals(id))
         .filter(key -> passwordService.passwordsMatch(passphrase, key.getPassphrase()))
         .map(ApiKeyWithPassphrase::getRole)
-        .findAny();
+        .map(role -> new CheckResult(user, role))
+        .findAny()
+        .orElseThrow(AuthorizationException::new);
     } finally {
       lock.unlock();
     }
@@ -177,4 +178,11 @@ public class ApiKeyService {
     private final String token;
     private final String id;
   }
+
+  @Getter
+  @AllArgsConstructor
+  public static class CheckResult {
+    private final String user;
+    private final String role;
+  }
 }