googleworkspace · sqrrrl · Jun 8, 2022 · Jan 14, 2022 · Jan 14, 2022 · Jan 14, 2022
diff --git a/gmail/snippets/build.gradle b/gmail/snippets/build.gradle
@@ -5,14 +5,10 @@ repositories {
 }
 
 dependencies {
-    implementation 'com.google.api-client:google-api-client:1.33.0'
-    implementation 'com.google.auth:google-auth-library-oauth2-http:1.3.0'
-    implementation 'com.google.apis:google-api-services-gmail:v1-rev20211108-1.32.1'
-    implementation 'com.google.code.gson:gson:2.4'
-    implementation 'javax.mail:mail:1.4'
-    implementation 'org.apache.commons:commons-csv:1.1'
+    implementation 'com.google.auth:google-auth-library-oauth2-http:1.6.0'
+    implementation 'com.google.apis:google-api-services-gmail:v1-rev20220404-1.32.1'
+    implementation 'javax.mail:mail:1.4.7'
+    implementation 'org.apache.commons:commons-csv:1.9.0'
     testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.hamcrest:hamcrest-all:1.3'
-    //testImplementation 'org.mockito:mockito-core:4.2.0'
-    testImplementation 'org.mockito:mockito-inline:4.3.1'
+    testImplementation 'org.mockito:mockito-inline:4.5.1'
 }
diff --git a/gmail/snippets/src/main/java/CreateDraft.java b/gmail/snippets/src/main/java/CreateDraft.java
@@ -14,6 +14,7 @@
 
 
 // [START gmail_create_draft]
+import com.google.api.client.googleapis.json.GoogleJsonError;
 import com.google.api.client.googleapis.json.GoogleJsonResponseException;
 import com.google.api.client.http.HttpRequestInitializer;
 import com.google.api.client.http.javanet.NetHttpTransport;
@@ -32,7 +33,6 @@
 import javax.mail.internet.MimeMessage;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.util.Collections;
 import java.util.Properties;
 
 /* Class to demonstrate the use of Gmail Create Draft API */
@@ -42,16 +42,16 @@ public class CreateDraft {
      *
      * @param fromEmailAddress - Email address to appear in the from: header
      * @param toEmailAddress - Email address of the recipient
-     * @return the created draft
-     * @throws MessagingException
-     * @throws IOException
+     * @return the created draft, {@code null} otherwise.
+     * @throws MessagingException - if a wrongly formatted address is encountered.
+     * @throws IOException - if service account credentials file not found.
      */
     public static Draft createDraftMessage(String fromEmailAddress,
                                            String toEmailAddress)
             throws MessagingException, IOException {
-        // Load pre-authorized user credentials from the environment.
-        // TODO(developer) - See https://developers.google.com/identity for
-        // guides on implementing OAuth2 for your application.
+        /* Load pre-authorized user credentials from the environment.
+        TODO(developer) - See https://developers.google.com/identity for
+         guides on implementing OAuth2 for your application.*/
         GoogleCredentials credentials = GoogleCredentials.getApplicationDefault()
                 .createScoped(GmailScopes.GMAIL_COMPOSE);
         HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(credentials);
@@ -95,9 +95,14 @@ public static Draft createDraftMessage(String fromEmailAddress,
             return draft;
         } catch (GoogleJsonResponseException e) {
             // TODO(developer) - handle error appropriately
-            System.err.println("Unable to create draft: " + e.getDetails());
-            throw e;
+            GoogleJsonError error = e.getDetails();
+            if (error.getCode() == 403) {
+                System.err.println("Unable to create draft: " + e.getMessage());
+            } else {
+                throw e;
+            }
         }
+        return null;
     }
 }
 // [END gmail_create_draft]
diff --git a/gmail/snippets/src/main/java/CreateDraftWithAttachment.java b/gmail/snippets/src/main/java/CreateDraftWithAttachment.java
@@ -14,6 +14,7 @@
 
 
 // [START gmail_create_draft_with_attachment]
+import com.google.api.client.googleapis.json.GoogleJsonError;
 import com.google.api.client.googleapis.json.GoogleJsonResponseException;
 import com.google.api.client.http.HttpRequestInitializer;
 import com.google.api.client.http.javanet.NetHttpTransport;
@@ -45,24 +46,24 @@
 /* Class to demonstrate the use of Gmail Create Draft with attachment API */
 public class CreateDraftWithAttachment {
     /**
-     * Create a draft email.
+     * Create a draft email with attachment.
      *
      * @param fromEmailAddress - Email address to appear in the from: header.
      * @param toEmailAddress - Email address of the recipient.
      * @param file - Path to the file to be attached.
-     * @return the created draft
+     * @return the created draft, {@code null} otherwise.
      * @throws MessagingException - if a wrongly formatted address is encountered.
      * @throws IOException - if service account credentials file not found.
      */
     public static Draft createDraftMessageWithAttachment(String fromEmailAddress,
                                                          String toEmailAddress,
                                                          File file)
             throws MessagingException, IOException {
-        // Load pre-authorized user credentials from the environment.
-        // TODO(developer) - See https://developers.google.com/identity for
-        // guides on implementing OAuth2 for your application.
-        GoogleCredentials credentials = GoogleCredentials.getApplicationDefault().createScoped(
-                GmailScopes.GMAIL_COMPOSE);
+        /* Load pre-authorized user credentials from the environment.
+         TODO(developer) - See https://developers.google.com/identity for
+          guides on implementing OAuth2 for your application.*/
+        GoogleCredentials credentials = GoogleCredentials.getApplicationDefault()
+                .createScoped(GmailScopes.GMAIL_COMPOSE);
         HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(credentials);
 
         // Create the gmail API client
@@ -114,9 +115,14 @@ public static Draft createDraftMessageWithAttachment(String fromEmailAddress,
             return draft;
         } catch (GoogleJsonResponseException e) {
             // TODO(developer) - handle error appropriately
-            System.err.println("Unable to create draft: " + e.getDetails());
-            throw e;
+            GoogleJsonError error = e.getDetails();
+            if (error.getCode() == 403){
+                System.err.println("Unable to create draft: " + e.getDetails());
+            } else {
+                throw e;
+            }
         }
+        return null;
     }
 }
 // [END gmail_create_draft_with_attachment]
diff --git a/gmail/snippets/src/main/java/CreateEmail.java b/gmail/snippets/src/main/java/CreateEmail.java
@@ -0,0 +1,53 @@
+// Copyright 2021 Google LLC
+//
+// 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
+//
+//     https://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.
+
+// [START gmail_create_email]
+import javax.mail.MessagingException;
+import javax.mail.Session;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+import java.util.Properties;
+
+/* Class to demonstrate the use of Gmail Create Email API  */
+public class CreateEmail {
+
+    /**
+     * Create a MimeMessage using the parameters provided.
+     *
+     * @param toEmailAddress email address of the receiver
+     * @param fromEmailAddress email address of the sender, the mailbox account
+     * @param subject subject of the email
+     * @param bodyText body text of the email
+     * @return the MimeMessage to be used to send email
+     * @throws MessagingException - if a wrongly formatted address is encountered.
+     */
+    public static MimeMessage createEmail(String toEmailAddress,
+                                          String fromEmailAddress,
+                                          String subject,
+                                          String bodyText)
+            throws MessagingException {
+        Properties props = new Properties();
+        Session session = Session.getDefaultInstance(props, null);
+
+        MimeMessage email = new MimeMessage(session);
+
+        email.setFrom(new InternetAddress(fromEmailAddress));
+        email.addRecipient(javax.mail.Message.RecipientType.TO,
+                new InternetAddress(toEmailAddress));
+        email.setSubject(subject);
+        email.setText(bodyText);
+        return email;
+    }
+}
+// [END gmail_create_email]
diff --git a/gmail/snippets/src/main/java/CreateFilter.java b/gmail/snippets/src/main/java/CreateFilter.java
@@ -14,6 +14,7 @@
 
 
 // [START gmail_create_filter]
+import com.google.api.client.googleapis.json.GoogleJsonError;
 import com.google.api.client.googleapis.json.GoogleJsonResponseException;
 import com.google.api.client.http.HttpRequestInitializer;
 import com.google.api.client.http.javanet.NetHttpTransport;
@@ -33,20 +34,17 @@ public class CreateFilter {
     /**
      * Create a new filter.
      *
-     * @param realLabelId - ID of the user label to add
-     * @return the created filter id
+     * @param labelId - ID of the user label to add
+     * @return the created filter id, {@code null} otherwise.
      * @throws IOException - if service account credentials file not found.
      */
-    public static String createNewFilter(String realLabelId) throws IOException {
-        // TODO(developer) - Replace with your email address.
-        String userEmail = "ci-test01@workspacesamples.dev";
-
+    public static String createNewFilter(String labelId) throws IOException {
         /* Load pre-authorized user credentials from the environment.
            TODO(developer) - See https://developers.google.com/identity for
             guides on implementing OAuth2 for your application. */
         GoogleCredentials credentials = GoogleCredentials.getApplicationDefault()
-                .createScoped(GmailScopes.GMAIL_SETTINGS_BASIC, GmailScopes.GMAIL_LABELS)
-                .createDelegated(userEmail);
+                .createScoped(GmailScopes.GMAIL_SETTINGS_BASIC,
+                        GmailScopes.GMAIL_LABELS);
         HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(credentials);
 
          // Create the gmail API client
@@ -56,11 +54,6 @@ public static String createNewFilter(String realLabelId) throws IOException {
                 .setApplicationName("Gmail samples")
                 .build();
 
-        String labelId = "Label_14"; // ID of the user label to add
-        // [START_EXCLUDE silent]
-        labelId = realLabelId;
-        // [END_EXCLUDE]
-
         try {
             // Filter the mail from sender and archive them(skip the inbox)
             Filter filter = new Filter()
@@ -76,9 +69,14 @@ public static String createNewFilter(String realLabelId) throws IOException {
             return result.getId();
         } catch (GoogleJsonResponseException e) {
             // TODO(developer) - handle error appropriately
-            System.err.println("Unable to create filter: " + e.getDetails());
-            throw e;
+            GoogleJsonError error = e.getDetails();
+            if (error.getCode() == 403) {
+                System.err.println("Unable to create filter: " + e.getDetails());
+            } else {
+                throw e;
+            }
         }
+        return null;
     }
 }
 // [END gmail_create_filter]
diff --git a/gmail/snippets/src/main/java/CreateMessage.java b/gmail/snippets/src/main/java/CreateMessage.java
@@ -0,0 +1,45 @@
+// Copyright 2022 Google LLC
+//
+// 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
+//
+//     https://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.
+
+// [START gmail_create_message]
+import com.google.api.services.gmail.model.Message;
+import org.apache.commons.codec.binary.Base64;
+import javax.mail.MessagingException;
+import javax.mail.internet.MimeMessage;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+/* Class to demonstrate the use of Gmail Create Message API */
+public class CreateMessage {
+
+    /**
+     * Create a message from an email.
+     *
+     * @param emailContent Email to be set to raw of message
+     * @return a message containing a base64url encoded email
+     * @throws IOException - if service account credentials file not found.
+     * @throws MessagingException - if a wrongly formatted address is encountered.
+     */
+    public static Message createMessageWithEmail(MimeMessage emailContent)
+            throws MessagingException, IOException {
+        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+        emailContent.writeTo(buffer);
+        byte[] bytes = buffer.toByteArray();
+        String encodedEmail = Base64.encodeBase64URLSafeString(bytes);
+        Message message = new Message();
+        message.setRaw(encodedEmail);
+        return message;
+    }
+}
+// [END gmail_create_message]
diff --git a/gmail/snippets/src/main/java/EnableAutoReply.java b/gmail/snippets/src/main/java/EnableAutoReply.java
@@ -14,6 +14,7 @@
 
 
 // [START gmail_enable_auto_reply]
+import com.google.api.client.googleapis.json.GoogleJsonError;
 import com.google.api.client.googleapis.json.GoogleJsonResponseException;
 import com.google.api.client.http.HttpRequestInitializer;
 import com.google.api.client.http.javanet.NetHttpTransport;
@@ -38,15 +39,11 @@ public class EnableAutoReply {
      * @throws IOException - if service account credentials file not found.
      */
     public static VacationSettings autoReply() throws IOException{
-        // TODO(developer) - Replace with your email address.
-        String userEmail = "ci-test01@workspacesamples.dev";
-
         /* Load pre-authorized user credentials from the environment.
-           TODO(developer) - See https://developers.google.com/identity for
-            guides on implementing OAuth2 for your application. */
+          TODO(developer) - See https://developers.google.com/identity for
+           guides on implementing OAuth2 for your application. */
         GoogleCredentials credentials = GoogleCredentials.getApplicationDefault()
-                .createScoped(Collections.singleton(GmailScopes.GMAIL_SETTINGS_BASIC))
-                .createDelegated(userEmail);
+                .createScoped(GmailScopes.GMAIL_SETTINGS_BASIC);
         HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(credentials);
 
         // Create the gmail API client
@@ -74,9 +71,14 @@ public static VacationSettings autoReply() throws IOException{
             return response;
         } catch (GoogleJsonResponseException e) {
             // TODO(developer) - handle error appropriately
-            System.err.println("Unable to enable auto reply: " + e.getDetails());
-            throw e;
+            GoogleJsonError error = e.getDetails();
+            if (error.getCode() == 403) {
+                System.err.println("Unable to enable auto reply: " + e.getDetails());
+            } else {
+                throw e;
+            }
         }
+        return null;
     }
 }
 // [END gmail_enable_auto_reply]
diff --git a/gmail/snippets/src/main/java/EnableForwarding.java b/gmail/snippets/src/main/java/EnableForwarding.java
@@ -14,6 +14,7 @@
 
 
 // [START gmail_enable_forwarding]
+import com.google.api.client.googleapis.json.GoogleJsonError;
 import com.google.api.client.googleapis.json.GoogleJsonResponseException;
 import com.google.api.client.http.HttpRequestInitializer;
 import com.google.api.client.http.javanet.NetHttpTransport;
@@ -34,18 +35,14 @@ public class EnableForwarding {
      *
      * @param forwardingEmail - Email address of the recipient whose email will be forwarded.
      * @return forwarding id and metadata, {@code null} otherwise.
-     * @throws IOException if service account credentials file not found.
+     * @throws IOException - if service account credentials file not found.
      */
     public static AutoForwarding enableAutoForwarding(String forwardingEmail) throws IOException{
-        // TODO(developer) - Replace with your email address.
-        String userEmail = "ci-test01@workspacesamples.dev";
-
         /* Load pre-authorized user credentials from the environment.
            TODO(developer) - See https://developers.google.com/identity for
             guides on implementing OAuth2 for your application. */
         GoogleCredentials credentials = GoogleCredentials.getApplicationDefault()
-                .createScoped(GmailScopes.GMAIL_SETTINGS_SHARING)
-                .createDelegated(userEmail);
+                .createScoped(GmailScopes.GMAIL_SETTINGS_SHARING);
         HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(credentials);
 
         // Create the gmail API client
@@ -72,8 +69,12 @@ public static AutoForwarding enableAutoForwarding(String forwardingEmail) throws
             }
         } catch (GoogleJsonResponseException e) {
             // TODO(developer) - handle error appropriately
-            System.err.println("Unable to enable forwarding : " + e.getDetails());
-            throw e;
+            GoogleJsonError error = e.getDetails();
+            if (error.getCode() == 403) {
+                System.err.println("Unable to enable forwarding: " + e.getDetails());
+            } else {
+                throw e;
+            }
         }
         return null;
     }