Example usage for org.apache.commons.httpclient.auth AuthChallengeParser parseChallenges

Introduction

In this page you can find the example usage for org.apache.commons.httpclient.auth AuthChallengeParser parseChallenges.

Prototype

public static Map parseChallenges(Header[] paramArrayOfHeader) throws MalformedChallengeException 

Source Link

Usage

From source file:com.cyberway.issue.crawler.fetcher.FetchHTTP.java

/**
 * @param method Method that got a 401.//w  w  w  . j a va  2s .c om
 * @param curi CrawlURI that got a 401.
 * @return Returns first wholesome authscheme found else null.
 */
protected AuthScheme getAuthScheme(final HttpMethod method, final CrawlURI curi) {
    Header[] headers = method.getResponseHeaders("WWW-Authenticate");
    if (headers == null || headers.length <= 0) {
        logger.info("We got a 401 but no WWW-Authenticate challenge: " + curi.toString());
        return null;
    }

    Map authschemes = null;
    try {
        authschemes = AuthChallengeParser.parseChallenges(headers);
    } catch (MalformedChallengeException e) {
        logger.info("Failed challenge parse: " + e.getMessage());
    }
    if (authschemes == null || authschemes.size() <= 0) {
        logger.info("We got a 401 and WWW-Authenticate challenge" + " but failed parse of the header "
                + curi.toString());
        return null;
    }

    AuthScheme result = null;
    // Use the first auth found.
    for (Iterator i = authschemes.keySet().iterator(); result == null && i.hasNext();) {
        String key = (String) i.next();
        String challenge = (String) authschemes.get(key);
        if (key == null || key.length() <= 0 || challenge == null || challenge.length() <= 0) {
            logger.warning("Empty scheme: " + curi.toString() + ": " + headers);
        }
        AuthScheme authscheme = null;
        if (key.equals("basic")) {
            authscheme = new BasicScheme();
        } else if (key.equals("digest")) {
            authscheme = new DigestScheme();
        } else {
            logger.info("Unsupported scheme: " + key);
            continue;
        }

        try {
            authscheme.processChallenge(challenge);
        } catch (MalformedChallengeException e) {
            logger.info(e.getMessage() + " " + curi + " " + headers);
            continue;
        }
        if (authscheme.isConnectionBased()) {
            logger.info("Connection based " + authscheme);
            continue;
        }

        if (authscheme.getRealm() == null || authscheme.getRealm().length() <= 0) {
            logger.info("Empty realm " + authscheme + " for " + curi);
            continue;
        }
        result = authscheme;
    }

    return result;
}

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From source file:org.archive.crawler.fetcher.OptimizeFetchHTTP.java

/**
 * @param method Method that got a 401./*from w  w  w.  jav  a2s  . co  m*/
 * @param curi CrawlURI that got a 401.
 * @return Returns first wholesome authscheme found else null.
 */
protected AuthScheme getAuthScheme(final HttpMethod method, final CrawlURI curi) {
    Header[] headers = method.getResponseHeaders("WWW-Authenticate");
    if (headers == null || headers.length <= 0) {
        logger.info("We got a 401 but no WWW-Authenticate challenge: " + curi.toString());
        return null;
    }

    Map authschemes = null;
    try {
        authschemes = AuthChallengeParser.parseChallenges(headers);
    } catch (MalformedChallengeException e) {
        logger.info("Failed challenge parse: " + e.getMessage());
    }
    if (authschemes == null || authschemes.size() <= 0) {
        logger.info("We got a 401 and WWW-Authenticate challenge" + " but failed parse of the header "
                + curi.toString());
        return null;
    }

    AuthScheme result = null;
    // Use the first auth found.
    for (Iterator i = authschemes.keySet().iterator(); result == null && i.hasNext();) {
        String key = (String) i.next();
        String challenge = (String) authschemes.get(key);
        if (key == null || key.length() <= 0 || challenge == null || challenge.length() <= 0) {
            logger.warn("Empty scheme: " + curi.toString() + ": " + headers);
        }
        AuthScheme authscheme = null;
        if (key.equals("basic")) {
            authscheme = new BasicScheme();
        } else if (key.equals("digest")) {
            authscheme = new DigestScheme();
        } else {
            logger.info("Unsupported scheme: " + key);
            continue;
        }

        try {
            authscheme.processChallenge(challenge);
        } catch (MalformedChallengeException e) {
            logger.info(e.getMessage() + " " + curi + " " + headers);
            continue;
        }
        if (authscheme.isConnectionBased()) {
            logger.info("Connection based " + authscheme);
            continue;
        }

        if (authscheme.getRealm() == null || authscheme.getRealm().length() <= 0) {
            logger.info("Empty realm " + authscheme + " for " + curi);
            continue;
        }
        result = authscheme;
    }

    return result;
}

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