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Create controller & handler for google sign in logic #43
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CMenne
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Jun 25, 2018
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57 changes: 57 additions & 0 deletions
57
server/src/main/java/server/database/login/LoginController.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package server.database.login; | ||
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| import com.google.api.client.googleapis.auth.oauth2.GoogleClientSecrets; | ||
| import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken; | ||
| import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier; | ||
| import com.google.api.client.http.javanet.NetHttpTransport; | ||
| import com.google.api.client.json.JsonFactory; | ||
| import com.google.api.client.json.jackson2.JacksonFactory; | ||
| import com.mongodb.client.MongoDatabase; | ||
| import java.io.FileReader; | ||
| import java.util.Collections; | ||
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| public class LoginController { | ||
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| // Construct controller for login. | ||
| public LoginController() { | ||
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| } | ||
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| public String verifyIdToken(String idTokenString) { | ||
| String CLIENT_SECRET_FILE = "./src/main/java/server/database/server_files/client_secret.json"; | ||
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| NetHttpTransport transport = new NetHttpTransport(); | ||
| JsonFactory jsonFactory = new JacksonFactory(); | ||
| String toReturn = "Failed to verify idToken"; | ||
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| try { | ||
| GoogleClientSecrets clientSecrets = | ||
| GoogleClientSecrets.load( | ||
| JacksonFactory.getDefaultInstance(), new FileReader(CLIENT_SECRET_FILE)); | ||
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| GoogleIdTokenVerifier verifier = new GoogleIdTokenVerifier.Builder(transport, jsonFactory) | ||
| .setAudience(Collections.singletonList(clientSecrets.getDetails().getClientId())) | ||
| .build(); | ||
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| GoogleIdToken idToken = verifier.verify(idTokenString); | ||
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| if (idToken != null) { | ||
| GoogleIdToken.Payload payload = idToken.getPayload(); | ||
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| if (payload.getHostedDomain().equals("morris.umn.edu")) { | ||
| toReturn = "Verified idToken"; | ||
| } | ||
| } else { | ||
| System.out.println("Invalid ID token."); | ||
| } | ||
| } catch (Exception e) { | ||
| System.out.println(e); | ||
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| toReturn = "null"; | ||
| } | ||
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| return toReturn; | ||
| } | ||
| } |
47 changes: 47 additions & 0 deletions
47
server/src/main/java/server/database/login/LoginRequestHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| package server.database.login; | ||
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| import org.json.JSONObject; | ||
| import spark.Request; | ||
| import spark.Response; | ||
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| /** | ||
| * | ||
| */ | ||
| public class LoginRequestHandler { | ||
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| private final LoginController loginController; | ||
| public LoginRequestHandler(LoginController loginController){ | ||
| this.loginController = loginController; | ||
| } | ||
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| /**Method called from Server when the 'api/login' endpoint is received. | ||
| * Get a JSON response with a list of all the users in the database. | ||
| * | ||
| * @param req the HTTP request | ||
| * @param res the HTTP response | ||
| * @return one user in JSON formatted string and if it fails it will return text with a different HTTP status code | ||
| */ | ||
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| public String loginUser(Request req, Response res) { | ||
| String idTokenString = getIdTokenString(req); | ||
| String verifyResponse = loginController.verifyIdToken(idTokenString); | ||
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| if (!verifyResponse.equals("null")) { | ||
| return verifyResponse; | ||
| } else { | ||
| return "null"; | ||
| } | ||
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| } | ||
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| /**Method called from Server when the 'api/login' endpoint is received. | ||
| * Get a JSON response with a list of all the users in the database. | ||
| * | ||
| * @param req the HTTP request | ||
| * @return one user in JSON formatted string and if it fails it will return text with a different HTTP status code | ||
| */ | ||
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| private String getIdTokenString(Request req) { | ||
| return new JSONObject(req.body()).getString("idToken"); | ||
| } | ||
| } |