Examples with Encoding i2p.susi.webmail.encoding.Encoding used on opensource projects

Example 1 with Encoding

use of i2p.susi.webmail.encoding.Encoding in project i2p.i2p by i2p.

the class SMTPClient method sendMail.

/**
 *  @param body without the attachments
 *  @param attachments may be null
 *  @param boundary non-null if attachments is non-null
 *  @return success
 */
public boolean sendMail(String host, int port, String user, String pass, String sender, String[] recipients, StringBuilder body, List<Attachment> attachments, String boundary) {
    boolean mailSent = false;
    boolean ok = true;
    Writer out = null;
    try {
        socket = InternalSocket.getSocket(host, port);
    } catch (IOException e) {
        error += _t("Cannot connect") + " (" + host + ':' + port + ") : " + e.getMessage() + '\n';
        ok = false;
    }
    try {
        // AUTH ref: RFC 4954
        if (ok) {
            socket.setSoTimeout(120 * 1000);
            int result = sendCmd(null);
            if (result != 220) {
                if (result != 0)
                    error += _t("Server refused connection") + " (" + result + ")\n";
                else
                    error += _t("Cannot connect") + " (" + host + ':' + port + ")\n";
                ok = false;
            }
        }
        if (ok) {
            sendCmdNoWait("EHLO localhost");
            socket.getOutputStream().flush();
            socket.setSoTimeout(60 * 1000);
            Result r = getFullResult();
            if (r.result == 250) {
                String[] caps = DataHelper.split(r.recv, "\r");
                for (String c : caps) {
                    if (c.equals("PIPELINING")) {
                        supportsPipelining = true;
                        Debug.debug(Debug.DEBUG, "Server supports pipelining");
                    } else if (c.startsWith("SIZE ")) {
                        try {
                            maxSize = Long.parseLong(c.substring(5));
                            Debug.debug(Debug.DEBUG, "Server max size: " + maxSize);
                        } catch (NumberFormatException nfe) {
                        }
                    } else if (c.equals("8BITMIME")) {
                        // unused, see encoding/EightBit.java
                        eightBitMime = true;
                        Debug.debug(Debug.DEBUG, "Server supports 8bitmime");
                    }
                }
            } else {
                error += _t("Server refused connection") + " (" + r + ")\n";
                ok = false;
            }
        }
        if (ok && maxSize < DEFAULT_MAX_SIZE) {
            Debug.debug(Debug.DEBUG, "Rechecking with new max size");
            // recalculate whether we'll fit
            // copied from WebMail
            long total = body.length();
            if (attachments != null && !attachments.isEmpty()) {
                for (Attachment a : attachments) {
                    total += a.getSize();
                }
            }
            long binaryMax = (long) ((maxSize * 57.0d / 78) - 32 * 1024);
            if (total > binaryMax) {
                ok = false;
                error += _t("Email is too large, max is {0}", DataHelper.formatSize2(binaryMax, false) + 'B') + '\n';
            }
        }
        if (ok) {
            // RFC 4954 says AUTH must be the last but let's assume
            // that includes the user/pass on following lines
            List<SendExpect> cmds = new ArrayList<SendExpect>();
            cmds.add(new SendExpect("AUTH LOGIN", 334));
            cmds.add(new SendExpect(base64.encode(user), 334));
            cmds.add(new SendExpect(base64.encode(pass), 235));
            if (sendCmds(cmds) != 3) {
                error += _t("Login failed") + '\n';
                ok = false;
            }
        }
        if (ok) {
            List<SendExpect> cmds = new ArrayList<SendExpect>();
            cmds.add(new SendExpect("MAIL FROM: " + sender, 250));
            for (int i = 0; i < recipients.length; i++) {
                cmds.add(new SendExpect("RCPT TO: " + recipients[i], 250));
            }
            cmds.add(new SendExpect("DATA", 354));
            if (sendCmds(cmds) != cmds.size()) {
                // TODO which recipient?
                error += _t("Mail rejected") + '\n';
                ok = false;
            }
        }
        if (ok) {
            // in-memory replace, no copies
            DataHelper.replace(body, "\r\n.\r\n", "\r\n..\r\n");
            // socket.getOutputStream().write(DataHelper.getUTF8(body));
            // socket.getOutputStream().write(DataHelper.getASCII("\r\n.\r\n"));
            // Do it this way so we don't double the memory
            out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "ISO-8859-1"));
            out.write(body.toString());
            // and check the max total size
            if (attachments != null && !attachments.isEmpty()) {
                for (Attachment attachment : attachments) {
                    String encodeTo = attachment.getTransferEncoding();
                    Encoding encoding = EncodingFactory.getEncoding(encodeTo);
                    if (encoding == null)
                        throw new EncodingException(_t("No Encoding found for {0}", encodeTo));
                    // ref: https://blog.nodemailer.com/2017/01/27/the-mess-that-is-attachment-filenames/
                    // ref: RFC 2231
                    // split Content-Disposition into 3 lines to maximize room
                    // TODO filename*0* for long names...
                    String name = attachment.getFileName();
                    String name2 = FilenameUtil.sanitizeFilename(name);
                    String name3 = FilenameUtil.encodeFilenameRFC5987(name);
                    out.write("\r\n--" + boundary + "\r\nContent-type: " + attachment.getContentType() + "\r\nContent-Disposition: attachment;\r\n\tfilename=\"" + name2 + "\";\r\n\tfilename*=" + name3 + "\r\nContent-Transfer-Encoding: " + attachment.getTransferEncoding() + "\r\n\r\n");
                    InputStream in = null;
                    try {
                        in = attachment.getData();
                        encoding.encode(in, out);
                    } finally {
                        if (in != null)
                            try {
                                in.close();
                            } catch (IOException ioe) {
                            }
                    }
                }
                out.write("\r\n--" + boundary + "--\r\n");
            }
            out.write("\r\n.\r\n");
            out.flush();
            socket.setSoTimeout(0);
            int result = sendCmd(null);
            if (result == 250)
                mailSent = true;
            else
                error += _t("Error sending mail") + " (" + result + ")\n";
        }
    } catch (IOException e) {
        error += _t("Error sending mail") + ": " + e.getMessage() + '\n';
    }
    if (!mailSent && lastResponse.length() > 0) {
        String[] lines = DataHelper.split(lastResponse, "\r");
        for (int i = 0; i < lines.length; i++) error += lines[i] + '\n';
    }
    sendCmd("QUIT", false);
    if (socket != null) {
        try {
            socket.close();
        } catch (IOException e1) {
        }
        if (out != null)
            try {
                out.close();
            } catch (IOException ioe) {
            }
    }
    return mailSent;
}

Example 2 with Encoding

use of i2p.susi.webmail.encoding.Encoding in project i2p.i2p by i2p.

the class MailPart method decode.

/**
 *  @param offset 2 for sendAttachment, 0 otherwise, probably for \r\n
 *  @since 0.9.13
 */
public void decode(int offset, Buffer out) throws IOException {
    String encg = encoding;
    if (encg == null) {
        // throw new DecodingException("No encoding specified");
        Debug.debug(Debug.DEBUG, "Warning: no transfer encoding found, fallback to 7bit.");
        encg = "7bit";
    }
    Encoding enc = EncodingFactory.getEncoding(encg);
    if (enc == null)
        throw new DecodingException(_t("No encoder found for encoding \\''{0}\\''.", WebMail.quoteHTML(encg)));
    InputStream in = null;
    LimitInputStream lin = null;
    CountingOutputStream cos = null;
    Buffer dout = null;
    try {
        in = buffer.getInputStream();
        DataHelper.skip(in, buffer.getOffset() + beginBody + offset);
        lin = new LimitInputStream(in, end - beginBody - offset);
        if (decodedLength < 0) {
            cos = new CountingOutputStream(out.getOutputStream());
            dout = new OutputStreamBuffer(cos);
        } else {
            dout = out;
        }
        enc.decode(lin, dout);
    // dout.getOutputStream().flush();
    } catch (IOException ioe) {
        if (lin != null)
            Debug.debug(Debug.DEBUG, "Decode IOE at in position " + lin.getRead() + " offset " + offset, ioe);
        else if (cos != null)
            Debug.debug(Debug.DEBUG, "Decode IOE at out position " + cos.getWritten() + " offset " + offset, ioe);
        else
            Debug.debug(Debug.DEBUG, "Decode IOE", ioe);
        throw ioe;
    } finally {
        if (in != null)
            try {
                in.close();
            } catch (IOException ioe) {
            }
        ;
        if (lin != null)
            try {
                lin.close();
            } catch (IOException ioe) {
            }
        ;
        buffer.readComplete(true);
    // let the servlet do this
    // if (cos != null) try { cos.close(); } catch (IOException ioe) {};
    // if (dout != null)
    // dout.writeComplete(true);
    // out.writeComplete(true);
    }
    if (cos != null)
        decodedLength = (int) cos.getWritten();
}

Example 3 with Encoding

use of i2p.susi.webmail.encoding.Encoding in project i2p.i2p by i2p.

the class WebMail method processComposeButtons.

/**
 * process buttons of compose message dialog
 * This must be called BEFORE processStateChangeButtons so we can add the attachment before SEND
 *
 * @param sessionObject
 * @param request
 * @return new state, or null if unknown
 */
private static State processComposeButtons(SessionObject sessionObject, RequestWrapper request) {
    State state = null;
    String filename = request.getFilename(NEW_FILENAME);
    // We handle an attachment whether sending or uploading
    if (filename != null && (buttonPressed(request, NEW_UPLOAD) || buttonPressed(request, SEND))) {
        int i = filename.lastIndexOf('/');
        if (i != -1)
            filename = filename.substring(i + 1);
        i = filename.lastIndexOf('\\');
        if (i != -1)
            filename = filename.substring(i + 1);
        if (filename != null && filename.length() > 0) {
            InputStream in = null;
            OutputStream out = null;
            I2PAppContext ctx = I2PAppContext.getGlobalContext();
            File f = new File(ctx.getTempDir(), "susimail-attachment-" + ctx.random().nextLong());
            try {
                in = request.getInputStream(NEW_FILENAME);
                if (in == null)
                    throw new IOException("no stream");
                out = new SecureFileOutputStream(f);
                DataHelper.copy(in, out);
                String contentType = request.getContentType(NEW_FILENAME);
                String encodeTo;
                String ctlc = contentType.toLowerCase(Locale.US);
                if (ctlc.startsWith("text/")) {
                    encodeTo = "quoted-printable";
                    // interpret it as ISO-8859-1
                    if (!ctlc.contains("charset="))
                        contentType += "; charset=\"utf-8\"";
                } else {
                    encodeTo = "base64";
                }
                Encoding encoding = EncodingFactory.getEncoding(encodeTo);
                if (encoding != null) {
                    if (sessionObject.attachments == null)
                        sessionObject.attachments = new ArrayList<Attachment>();
                    sessionObject.attachments.add(new Attachment(filename, contentType, encodeTo, f));
                } else {
                    sessionObject.error += _t("No Encoding found for {0}", encodeTo) + '\n';
                }
            } catch (IOException e) {
                sessionObject.error += _t("Error reading uploaded file: {0}", e.getMessage()) + '\n';
                f.delete();
            } finally {
                if (in != null)
                    try {
                        in.close();
                    } catch (IOException ioe) {
                    }
                if (out != null)
                    try {
                        out.close();
                    } catch (IOException ioe) {
                    }
            }
        }
        state = State.NEW;
    } else if (sessionObject.attachments != null && buttonPressed(request, DELETE_ATTACHMENT)) {
        for (String item : getCheckedItems(request)) {
            try {
                int n = Integer.parseInt(item);
                for (int i = 0; i < sessionObject.attachments.size(); i++) {
                    Attachment attachment = sessionObject.attachments.get(i);
                    if (attachment.hashCode() == n) {
                        sessionObject.attachments.remove(i);
                        break;
                    }
                }
            } catch (NumberFormatException nfe) {
            }
        }
        state = State.NEW;
    }
    return state;
}

Example 4 with Encoding

use of i2p.susi.webmail.encoding.Encoding in project i2p.i2p by i2p.

the class WebMail method sendMail.

/**
 * @param sessionObject
 * @param request
 * @return success
 */
private static boolean sendMail(SessionObject sessionObject, RequestWrapper request) {
    boolean ok = true;
    String from = request.getParameter(NEW_FROM);
    String to = request.getParameter(NEW_TO);
    String cc = request.getParameter(NEW_CC);
    String bcc = request.getParameter(NEW_BCC);
    String subject = request.getParameter(NEW_SUBJECT, _t("no subject"));
    String text = request.getParameter(NEW_TEXT, "");
    boolean fixed = Boolean.parseBoolean(Config.getProperty(CONFIG_SENDER_FIXED, "true"));
    if (fixed) {
        String domain = Config.getProperty(CONFIG_SENDER_DOMAIN, "mail.i2p");
        from = "<" + sessionObject.user + "@" + domain + ">";
    }
    ArrayList<String> toList = new ArrayList<String>();
    ArrayList<String> ccList = new ArrayList<String>();
    ArrayList<String> bccList = new ArrayList<String>();
    ArrayList<String> recipients = new ArrayList<String>();
    String sender = null;
    if (from == null || !Mail.validateAddress(from)) {
        ok = false;
        sessionObject.error += _t("Found no valid sender address.") + '\n';
    } else {
        sender = Mail.getAddress(from);
        if (sender == null || sender.length() == 0) {
            ok = false;
            sessionObject.error += _t("Found no valid address in \\''{0}\\''.", quoteHTML(from)) + '\n';
        }
    }
    ok = Mail.getRecipientsFromList(toList, to, ok);
    ok = Mail.getRecipientsFromList(ccList, cc, ok);
    ok = Mail.getRecipientsFromList(bccList, bcc, ok);
    recipients.addAll(toList);
    recipients.addAll(ccList);
    recipients.addAll(bccList);
    String bccToSelf = request.getParameter(NEW_BCC_TO_SELF);
    boolean toSelf = "1".equals(bccToSelf);
    // save preference in session
    sessionObject.bccToSelf = toSelf;
    if (toSelf)
        recipients.add(sender);
    if (toList.isEmpty()) {
        ok = false;
        sessionObject.error += _t("No recipients found.") + '\n';
    }
    Encoding qp = EncodingFactory.getEncoding("quoted-printable");
    Encoding hl = EncodingFactory.getEncoding("HEADERLINE");
    if (qp == null) {
        ok = false;
        // can't happen, don't translate
        sessionObject.error += "Internal error: Quoted printable encoder not available.";
    }
    if (hl == null) {
        ok = false;
        // can't happen, don't translate
        sessionObject.error += "Internal error: Header line encoder not available.";
    }
    long total = text.length();
    boolean multipart = sessionObject.attachments != null && !sessionObject.attachments.isEmpty();
    if (multipart) {
        for (Attachment a : sessionObject.attachments) {
            total += a.getSize();
        }
    }
    if (total > SMTPClient.BINARY_MAX_SIZE) {
        ok = false;
        sessionObject.error += _t("Email is too large, max is {0}", DataHelper.formatSize2(SMTPClient.BINARY_MAX_SIZE, false) + 'B') + '\n';
    }
    if (ok) {
        StringBuilder body = new StringBuilder(1024);
        I2PAppContext ctx = I2PAppContext.getGlobalContext();
        body.append("Date: " + RFC822Date.to822Date(ctx.clock().now()) + "\r\n");
        // todo include real names, and headerline encode them
        body.append("From: " + from + "\r\n");
        Mail.appendRecipients(body, toList, "To: ");
        Mail.appendRecipients(body, ccList, "Cc: ");
        try {
            body.append(hl.encode("Subject: " + subject.trim()));
        } catch (EncodingException e) {
            ok = false;
            sessionObject.error += e.getMessage();
        }
        String boundary = "_=" + ctx.random().nextLong();
        if (multipart) {
            body.append("MIME-Version: 1.0\r\nContent-type: multipart/mixed; boundary=\"" + boundary + "\"\r\n\r\n");
        } else {
            body.append("MIME-Version: 1.0\r\nContent-type: text/plain; charset=\"utf-8\"\r\nContent-Transfer-Encoding: quoted-printable\r\n\r\n");
        }
        try {
            // TODO pass the text separately to SMTP and let it pick the encoding
            if (multipart)
                body.append("--" + boundary + "\r\nContent-type: text/plain; charset=\"utf-8\"\r\nContent-Transfer-Encoding: quoted-printable\r\n\r\n");
            body.append(qp.encode(text));
        } catch (EncodingException e) {
            ok = false;
            sessionObject.error += e.getMessage();
        }
        // set to the StringBuilder so SMTP can replace() in place
        sessionObject.sentMail = body;
        if (ok) {
            SMTPClient relay = new SMTPClient();
            if (relay.sendMail(sessionObject.host, sessionObject.smtpPort, sessionObject.user, sessionObject.pass, sender, recipients.toArray(new String[recipients.size()]), sessionObject.sentMail, sessionObject.attachments, boundary)) {
                sessionObject.info += _t("Mail sent.");
                sessionObject.sentMail = null;
                sessionObject.clearAttachments();
            } else {
                ok = false;
                sessionObject.error += relay.error;
            }
        }
    }
    return ok;
}

Example 5 with Encoding

use of i2p.susi.webmail.encoding.Encoding in project i2p.i2p by i2p.

the class Mail method parseHeaders.

/**
 * @return all headers, to pass to MailPart, or null on error
 */
private String[] parseHeaders(InputStream in) {
    String[] headerLines = null;
    error = "";
    if (header != null) {
        boolean ok = true;
        Encoding html = EncodingFactory.getEncoding("HTML");
        if (html == null) {
            error += "HTML encoder not found.\n";
            ok = false;
        }
        Encoding hl = EncodingFactory.getEncoding("HEADERLINE");
        if (hl == null) {
            error += "Header line encoder not found.\n";
            ok = false;
        }
        if (ok) {
            try {
                EOFOnMatchInputStream eofin = new EOFOnMatchInputStream(in, HEADER_MATCH);
                MemoryBuffer decoded = new MemoryBuffer(4096);
                hl.decode(eofin, decoded);
                if (!eofin.wasFound())
                    Debug.debug(Debug.DEBUG, "EOF hit before \\r\\n\\r\\n in Mail");
                // Fixme UTF-8 to bytes to UTF-8
                headerLines = DataHelper.split(new String(decoded.getContent(), decoded.getOffset(), decoded.getLength()), "\r\n");
                for (int j = 0; j < headerLines.length; j++) {
                    String line = headerLines[j];
                    if (line.length() == 0)
                        break;
                    String hlc = line.toLowerCase(Locale.US);
                    if (hlc.startsWith("from:")) {
                        sender = line.substring(5).trim();
                        // formattedSender = getAddress( sender );
                        shortSender = sender.replace("\"", "").trim();
                        int lt = shortSender.indexOf('<');
                        if (lt > 0)
                            shortSender = shortSender.substring(0, lt).trim();
                        else if (lt < 0 && shortSender.contains("@"))
                            // add missing <> (but thunderbird doesn't...)
                            shortSender = '<' + shortSender + '>';
                        boolean trim = shortSender.length() > 45;
                        if (trim)
                            shortSender = ServletUtil.truncate(shortSender, 42).trim();
                        shortSender = html.encode(shortSender);
                        if (trim)
                            // must be after html encode
                            shortSender += "&hellip;";
                    } else if (hlc.startsWith("date:")) {
                        dateString = line.substring(5).trim();
                        long dateLong = RFC822Date.parse822Date(dateString);
                        if (dateLong > 0)
                            setDate(dateLong);
                    } else if (hlc.startsWith("subject:")) {
                        subject = line.substring(8).trim();
                        shortSubject = subject;
                        boolean trim = subject.length() > 75;
                        if (trim)
                            shortSubject = ServletUtil.truncate(subject, 72).trim();
                        shortSubject = html.encode(shortSubject);
                        if (trim)
                            // must be after html encode
                            shortSubject += "&hellip;";
                    } else if (hlc.startsWith("reply-to:")) {
                        reply = getAddress(line.substring(9).trim());
                    } else if (hlc.startsWith("to:")) {
                        ArrayList<String> list = new ArrayList<String>();
                        getRecipientsFromList(list, line.substring(3).trim(), true);
                        if (list.isEmpty()) {
                        // don't set
                        } else if (to == null) {
                            to = list.toArray(new String[list.size()]);
                        } else if (cc == null) {
                            // Susimail bug before 0.9.33, sent 2nd To line that was really Cc
                            cc = list.toArray(new String[list.size()]);
                        } else {
                            // add to the array, shouldn't happen
                            for (int i = 0; i < to.length; i++) {
                                list.add(i, to[i]);
                            }
                            to = list.toArray(new String[list.size()]);
                        }
                    } else if (hlc.startsWith("cc:")) {
                        ArrayList<String> list = new ArrayList<String>();
                        getRecipientsFromList(list, line.substring(3).trim(), true);
                        if (list.isEmpty()) {
                        // don't set
                        } else if (cc == null) {
                            cc = list.toArray(new String[list.size()]);
                        } else {
                            // add to the array, shouldn't happen
                            for (int i = 0; i < cc.length; i++) {
                                list.add(i, cc[i]);
                            }
                            cc = list.toArray(new String[list.size()]);
                        }
                    } else if (hlc.equals("x-spam-flag: yes")) {
                        // TODO trust.spam.headers config
                        isSpam = true;
                    } else if (hlc.startsWith("content-type:")) {
                        // this is duplicated in MailPart but
                        // we want to know if we have attachments, even if
                        // we haven't fetched the body
                        contentType = line.substring(13).trim();
                    } else if (hlc.startsWith("message-id:")) {
                        messageID = line.substring(11).trim();
                    }
                }
            } catch (Exception e) {
                error += "Error parsing mail header: " + e.getClass().getName() + '\n';
                Debug.debug(Debug.ERROR, "Parse error", e);
            }
        }
    }
    return headerLines;
}