Example usage for com.fasterxml.jackson.core Base64Variants MIME

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core Base64Variants MIME.

Prototype

Base64Variant MIME

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Document

This variant is what most people would think of "the standard" Base64 encoding.

Usage

From source file:org.mitre.secretsharing.server.FormJoinServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    Writer w = new HtmlXSSWriter(resp.getWriter());

    try {// w ww .ja  va2  s  .c o  m
        String parts = req.getParameter("parts");
        if (parts == null)
            throw new RuntimeException("No secret parts provided");

        boolean base64 = false;
        if (req.getParameter("base64") != null)
            base64 = Boolean.parseBoolean(req.getParameter("base64"));

        List<Part> partsBytes = new ArrayList<Part>();
        for (String s : parts.split("\n")) {
            s = s.trim();
            if (s.isEmpty())
                continue;
            try {
                partsBytes.add(PartFormats.parse(s));
            } catch (Exception e) {
                throw new RuntimeException("Corrupt key part \"" + s + "\""
                        + (e.getMessage() == null ? ": Improper encoding of secret parts"
                                : ": " + e.getMessage()),
                        e);
            }
        }

        Part[] p = partsBytes.toArray(new Part[0]);

        byte[] secret = p[0].join(Arrays.copyOfRange(p, 1, p.length));

        if (base64)
            w.write(Base64Variants.MIME.encode(secret));
        else
            w.write(new String(secret, "UTF-8"));
    } catch (Throwable t) {
        if (t.getMessage() != null)
            w.write("error: " + t.getMessage());
        else
            w.write("error");
    }
}

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From source file:org.mitre.secretsharing.server.FormSplitServlet.java

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    Writer w = new HtmlXSSWriter(resp.getWriter());

    try {//w ww . j a  va  2  s .c o  m
        String secret = req.getParameter("secret");
        if (secret == null)
            throw new RuntimeException("No secret parameter");
        int totalParts;
        try {
            totalParts = Integer.parseInt(req.getParameter("total_parts"));
            if (totalParts < 1)
                throw new RuntimeException();
        } catch (Exception e) {
            throw new RuntimeException("Total parts not an integer at least 1.");
        }
        int requiredParts;
        try {
            requiredParts = Integer.parseInt(req.getParameter("required_parts"));
            if (requiredParts < 1 || requiredParts > totalParts)
                throw new RuntimeException();
        } catch (Exception e) {
            throw new RuntimeException(
                    "Required parts not an integer at least 1 and not more than total parts.");
        }
        boolean base64 = false;
        if (req.getParameter("base64") != null)
            base64 = Boolean.parseBoolean(req.getParameter("base64"));

        byte[] secretBytes;

        if (base64) {
            try {
                secretBytes = Base64Variants.MIME.decode(secret);
            } catch (Exception e) {
                throw new RuntimeException("Improper encoding of base64 secret");
            }
        } else
            secretBytes = secret.getBytes("UTF-8");

        Part[] parts = Secrets.splitPerByte(secretBytes, totalParts, requiredParts, rnd);

        for (Part part : parts) {
            w.write(part + "\n");
        }
    } catch (Throwable t) {
        if (t.getMessage() != null)
            w.write(t.getMessage());
        else
            w.write("error");
    }
}

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