Import/Export Email as eml files

src/main/java/uk/co/bigsoft/greenmail/Main.java

@@ -12,6 +12,8 @@
 import uk.co.bigsoft.greenmail.http.commands.DeleteMessageCommand;
 import uk.co.bigsoft.greenmail.http.commands.AddUserCommand;
 import uk.co.bigsoft.greenmail.http.commands.DeleteUserCommand;
+import uk.co.bigsoft.greenmail.http.commands.EmlExportCommand;
+import uk.co.bigsoft.greenmail.http.commands.EmlImportCommand;
 import uk.co.bigsoft.greenmail.http.commands.ImapAllMessagesCommand;
 import uk.co.bigsoft.greenmail.http.commands.ImapGetInBoxCommand;
 import uk.co.bigsoft.greenmail.http.commands.ImapListMailBoxCommand;
@@ -79,6 +81,8 @@ private static void startHttpServer(GreenMail greenMail) {
 		app.get("/dn/:domain/to", new ListDomainMessageCommand(greenMail, "to"));
 		app.get("/dn/:domain/cc", new ListDomainMessageCommand(greenMail, "cc"));
 		app.get("/dn/:domain/bcc", new ListDomainMessageCommand(greenMail, "bcc"));
+		app.post("/import", new EmlImportCommand(greenMail));
+		app.get("/export/:mailbox/:uid", new EmlExportCommand(greenMail));
 
 		if (cfg.useAccessControlAnywhere()) {
 			System.out.println("Allow REST connections from anywhere");

src/main/java/uk/co/bigsoft/greenmail/http/commands/EmlExportCommand.java

@@ -0,0 +1,32 @@
+package uk.co.bigsoft.greenmail.http.commands;
+
+import java.io.ByteArrayOutputStream;
+
+import javax.mail.internet.MimeMessage;
+
+import com.icegreen.greenmail.store.MailFolder;
+import com.icegreen.greenmail.store.StoredMessage;
+import com.icegreen.greenmail.util.GreenMail;
+
+import io.javalin.http.Context;
+
+public class EmlExportCommand extends BaseHandler {
+
+    public EmlExportCommand(GreenMail greenMail) {
+        super(greenMail);
+    }
+
+    @Override
+    public void handle(Context ctx) throws Exception {
+        MailFolder mailbox = utils.getMailbox(ctx, im);
+		long uid = utils.getUid(ctx);
+		StoredMessage sm = mailbox.getMessage(uid);
+        MimeMessage mime = sm.getMimeMessage();
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        mime.writeTo(baos);
+        byte[] bytes = baos.toByteArray();
+        ctx.result(bytes);
+        ctx.header("Content-Disposition", "attachment; filename=\"email.eml\"");
+        ctx.header("Content-Type", "text/plain; charset=utf-8");
+    }
+}

src/main/java/uk/co/bigsoft/greenmail/http/commands/EmlImportCommand.java

@@ -0,0 +1,30 @@
+package uk.co.bigsoft.greenmail.http.commands;
+
+import javax.mail.Session;
+import javax.mail.internet.MimeMessage;
+
+import com.icegreen.greenmail.util.GreenMail;
+import com.icegreen.greenmail.util.GreenMailUtil;
+import com.icegreen.greenmail.util.ServerSetup;
+
+import io.javalin.http.Context;
+import io.javalin.http.UploadedFile;
+
+public class EmlImportCommand extends BaseHandler {
+
+    public EmlImportCommand(GreenMail greenMail) {
+        super(greenMail);
+    }
+
+    @Override
+    public void handle(Context ctx) throws Exception {
+        ServerSetup setup = new ServerSetup(gm.getSmtp().getPort(), gm.getSmtp().getBindTo(), ServerSetup.PROTOCOL_SMTP);
+        setup.setServerStartupTimeout(ServerSetup.SERVER_STARTUP_TIMEOUT);
+        Session session = GreenMailUtil.getSession(setup);
+        for (UploadedFile file : ctx.uploadedFiles()) {
+            MimeMessage mime = new MimeMessage(session, file.getContent());
+            GreenMailUtil.sendMimeMessage(mime);
+        }
+        ctx.json("OK");
+    }
+}

src/main/web/src/c/GmhUrl.js

@@ -17,7 +17,9 @@ let mappings = {
 	DELETE_MAILBOX: '/m/:mailbox/delete',
 	DELETE_USER: '/u/:email/delete',
 	ADD_USER: '/u/add',
-	SEND_EMAIL: '/send'
+	SEND_EMAIL: '/send',
+	EML_IMPORT: '/import',
+	EML_EXPORT: '/export/:mailbox/:uid'
 }
 
 export let ServerConfig = () => {
@@ -83,3 +85,12 @@ export let AddUserUrl = () => {
 export let SendEmailUrl = () => {
 	return base + mappings.SEND_EMAIL
 }
+
+export let EmlImportUrl = () => {
+	return base + mappings.EML_IMPORT
+}
+
+export let EmlExportUrl = (mailbox, uid) => {
+	let encMailbox = encodeURIComponent(mailbox)
+	return base + mappings.EML_EXPORT.replace(':mailbox', encMailbox).replace(':uid', uid)
+}

src/main/web/src/c/ImportEmail.js

@@ -0,0 +1,104 @@
+import React, {Component} from 'react'
+import DialogTitle from '@material-ui/core/DialogTitle'
+import Button from '@material-ui/core/Button'
+import Dialog from '@material-ui/core/Dialog'
+import DialogActions from '@material-ui/core/DialogActions'
+import DialogContent from '@material-ui/core/DialogContent/DialogContent'
+import axios from 'axios'
+import {EmlImportUrl} from '../c/GmhUrl'
+import SendIcon from '@material-ui/icons/Send'
+import {ValidatorForm} from 'react-material-ui-form-validator'
+import Typography from '@material-ui/core/Typography'
+import CloseIcon from '@material-ui/icons/Close'
+import PublishIcon from '@material-ui/icons/Publish'
+import {Tooltip} from '@material-ui/core'
+
+class ImportEmail extends Component{
+
+    constructor(props){
+        super(props)
+        this.state = {
+            openEmailDialog: false,
+            errorMessage: '',
+            file: null
+        }
+    }
+
+    openDialog = () => {
+        this.setState({
+            openEmailDialog: true
+        })
+    }
+
+    sendEmail = () => {
+        let url = EmlImportUrl()
+        let formData = new FormData();
+        formData.append("email", this.state.file);
+        axios.post(url,formData, {
+            headers: {
+                'Content-Type': 'multipart/form-data'
+            }
+        }).then( res => {
+            this.closeDialog()
+            this.props.reload()
+        }, (error) => {
+            this.setState({
+                errorMessage: error.toString()
+            })
+        })
+    }
+
+    closeDialog = () => {
+        this.setState({
+            openEmailDialog: false
+        })
+    }
+
+    handleChange = (event) => {
+        if (event.target.files) {
+            this.setState({
+                file : event.target.files[0]
+            })
+        }
+    }
+
+    render(){
+        return (
+            <span>
+                <Tooltip title="Import Email from .eml file">
+                    <Button onClick={this.openDialog} class="btn btn-primary" style={{margin:2}}>
+                        <PublishIcon/>Import
+                    </Button>
+                </Tooltip>
+
+                <Dialog fullWidth onClose={this.closeDialog} aria-labelledby="customized-dialog-title" open={this.state.openEmailDialog}>
+                    <DialogTitle id="compose-email-title" onClose={this.closeDialog}>
+                        Import Email from .eml file
+                        <Button style={{float: 'right'}} onClick={this.closeDialog}>
+                            <CloseIcon/>
+                        </Button>
+                    </DialogTitle>
+                    <DialogContent dividers>
+
+                        <Typography style={{color: 'red', marginLeft: 30}}>{this.state.errorMessage}</Typography>
+
+                        <ValidatorForm onSubmit={this.sendEmail}>
+                            <DialogContent>
+                                <input type="file" onChange={this.handleChange} style={{width: "100%"}}/>
+                            </DialogContent>
+
+                            <DialogActions>
+                                <Button type="submit" color="primary">
+                                    <SendIcon/>
+                                    Import
+                                </Button>
+                            </DialogActions>
+                        </ValidatorForm>
+                    </DialogContent>
+                </Dialog>
+            </span>
+        )
+    }
+}
+
+export default ImportEmail

src/main/web/src/c/MessagesTable.js

@@ -10,6 +10,7 @@ import RefreshIcon from '@material-ui/icons/Refresh'
 import {Tooltip} from '@material-ui/core'
 import Card from '@material-ui/core/Card'
 import ComposeEmailDialog from './ComposeEmailDialog'
+import ImportEmail from './ImportEmail'
 
 function MessagesTable(props) {
 
@@ -21,6 +22,8 @@ function MessagesTable(props) {
 		<div>
 			<div>
 				<ComposeEmailDialog reload={reload}/>
+
+				<ImportEmail reload={reload}/>
 
 				<Tooltip title="Refresh">
 					<Button onClick={reload}>

src/main/web/src/p/ViewMessagePage.js

@@ -2,7 +2,7 @@ import React, {Component} from 'react'
 import axios from 'axios'
 import Alert from 'react-bootstrap/Alert'
 import Table from '@material-ui/core/Table'
-import {ViewMessageUrl} from '../c/GmhUrl'
+import {EmlExportUrl, ViewMessageUrl} from '../c/GmhUrl'
 import EmailAddresses from '../c/EmailAddresses'
 import {BreadcrumbContext} from '../c/breadcrumbContext'
 import PageHeader from '../m/PageHeader'
@@ -12,6 +12,8 @@ import Paper from '@material-ui/core/Paper'
 import Tabs from '@material-ui/core/Tabs'
 import Tab from '@material-ui/core/Tab'
 import TableCell from '@material-ui/core/TableCell/TableCell'
+import GetAppIcon from '@material-ui/icons/GetApp'
+import Button from '@material-ui/core/Button'
 
 class ViewMessagePage extends Component {
 
@@ -133,10 +135,18 @@ class ViewMessagePage extends Component {
 			const eMessage = this.state.data.toString() + " " +this.state.url
 			return <Alert variant="danger" dismissible>{eMessage}</Alert>
 		}
+		const {mailbox, uid} = this.props.match.params
+		const url = EmlExportUrl(mailbox, uid)
 
 		return (
 			<div>
 				<PageHeader title="Message"/>
+				<a href={url} target="_blank" rel="noopener noreferrer" download>
+					<Button class="btn btn-primary">
+						<GetAppIcon/>
+						Export Email
+					</Button>
+				</a>
 				<Paper>
 					<Tabs
 						value={this.state.value}