CasRestAuthenticator.java 文件源码

private String requestTicketGrantingTicket(final String username, final String password) {
    HttpURLConnection connection = null;
    try {
        connection = HttpUtils.openPostConnection(new URL(this.casRestUrl));
        final String payload = HttpUtils.encodeQueryParam(Pac4jConstants.USERNAME, username)
                + "&" + HttpUtils.encodeQueryParam(Pac4jConstants.PASSWORD, password);

        final BufferedWriter out = new BufferedWriter(new OutputStreamWriter(connection.getOutputStream(), HttpConstants.UTF8_ENCODING));
        out.write(payload);
        out.close();

        final String locationHeader = connection.getHeaderField("location");
        final int responseCode = connection.getResponseCode();
        if (locationHeader != null && responseCode == HttpConstants.CREATED) {
            return locationHeader.substring(locationHeader.lastIndexOf("/") + 1);
        }

        throw new TechnicalException("Ticket granting ticket request failed: " + locationHeader + " " + responseCode +
                HttpUtils.buildHttpErrorMessage(connection));
    } catch (final IOException e) {
        throw new TechnicalException(e);
    } finally {
        HttpUtils.closeConnection(connection);
    }
}