mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/cookie/RFC2109Spec.java

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/cookie/RFC2109Spec.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,248 @@
     1.4 +/*
     1.5 + * ====================================================================
     1.6 + * Licensed to the Apache Software Foundation (ASF) under one
     1.7 + * or more contributor license agreements.  See the NOTICE file
     1.8 + * distributed with this work for additional information
     1.9 + * regarding copyright ownership.  The ASF licenses this file
    1.10 + * to you under the Apache License, Version 2.0 (the
    1.11 + * "License"); you may not use this file except in compliance
    1.12 + * with the License.  You may obtain a copy of the License at
    1.13 + *
    1.14 + *   http://www.apache.org/licenses/LICENSE-2.0
    1.15 + *
    1.16 + * Unless required by applicable law or agreed to in writing,
    1.17 + * software distributed under the License is distributed on an
    1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    1.19 + * KIND, either express or implied.  See the License for the
    1.20 + * specific language governing permissions and limitations
    1.21 + * under the License.
    1.22 + * ====================================================================
    1.23 + *
    1.24 + * This software consists of voluntary contributions made by many
    1.25 + * individuals on behalf of the Apache Software Foundation.  For more
    1.26 + * information on the Apache Software Foundation, please see
    1.27 + * <http://www.apache.org/>.
    1.28 + *
    1.29 + */
    1.30 +
    1.31 +package ch.boye.httpclientandroidlib.impl.cookie;
    1.32 +
    1.33 +import java.util.ArrayList;
    1.34 +import java.util.Collections;
    1.35 +import java.util.List;
    1.36 +
    1.37 +import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
    1.38 +
    1.39 +import ch.boye.httpclientandroidlib.Header;
    1.40 +import ch.boye.httpclientandroidlib.HeaderElement;
    1.41 +import ch.boye.httpclientandroidlib.cookie.ClientCookie;
    1.42 +import ch.boye.httpclientandroidlib.cookie.Cookie;
    1.43 +import ch.boye.httpclientandroidlib.cookie.CookieOrigin;
    1.44 +import ch.boye.httpclientandroidlib.cookie.CookiePathComparator;
    1.45 +import ch.boye.httpclientandroidlib.cookie.CookieRestrictionViolationException;
    1.46 +import ch.boye.httpclientandroidlib.cookie.CookieSpec;
    1.47 +import ch.boye.httpclientandroidlib.cookie.MalformedCookieException;
    1.48 +import ch.boye.httpclientandroidlib.cookie.SM;
    1.49 +import ch.boye.httpclientandroidlib.message.BufferedHeader;
    1.50 +import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
    1.51 +
    1.52 +/**
    1.53 + * RFC 2109 compliant {@link CookieSpec} implementation. This is an older
    1.54 + * version of the official HTTP state management specification superseded
    1.55 + * by RFC 2965.
    1.56 + *
    1.57 + * @see RFC2965Spec
    1.58 + *
    1.59 + * @since 4.0
    1.60 + */
    1.61 +@NotThreadSafe // superclass is @NotThreadSafe
    1.62 +public class RFC2109Spec extends CookieSpecBase {
    1.63 +
    1.64 +    private final static CookiePathComparator PATH_COMPARATOR = new CookiePathComparator();
    1.65 +
    1.66 +    private final static String[] DATE_PATTERNS = {
    1.67 +        DateUtils.PATTERN_RFC1123,
    1.68 +        DateUtils.PATTERN_RFC1036,
    1.69 +        DateUtils.PATTERN_ASCTIME
    1.70 +    };
    1.71 +
    1.72 +    private final String[] datepatterns;
    1.73 +    private final boolean oneHeader;
    1.74 +
    1.75 +    /** Default constructor */
    1.76 +    public RFC2109Spec(final String[] datepatterns, boolean oneHeader) {
    1.77 +        super();
    1.78 +        if (datepatterns != null) {
    1.79 +            this.datepatterns = datepatterns.clone();
    1.80 +        } else {
    1.81 +            this.datepatterns = DATE_PATTERNS;
    1.82 +        }
    1.83 +        this.oneHeader = oneHeader;
    1.84 +        registerAttribHandler(ClientCookie.VERSION_ATTR, new RFC2109VersionHandler());
    1.85 +        registerAttribHandler(ClientCookie.PATH_ATTR, new BasicPathHandler());
    1.86 +        registerAttribHandler(ClientCookie.DOMAIN_ATTR, new RFC2109DomainHandler());
    1.87 +        registerAttribHandler(ClientCookie.MAX_AGE_ATTR, new BasicMaxAgeHandler());
    1.88 +        registerAttribHandler(ClientCookie.SECURE_ATTR, new BasicSecureHandler());
    1.89 +        registerAttribHandler(ClientCookie.COMMENT_ATTR, new BasicCommentHandler());
    1.90 +        registerAttribHandler(ClientCookie.EXPIRES_ATTR, new BasicExpiresHandler(
    1.91 +                this.datepatterns));
    1.92 +    }
    1.93 +
    1.94 +    /** Default constructor */
    1.95 +    public RFC2109Spec() {
    1.96 +        this(null, false);
    1.97 +    }
    1.98 +
    1.99 +    public List<Cookie> parse(final Header header, final CookieOrigin origin)
   1.100 +            throws MalformedCookieException {
   1.101 +        if (header == null) {
   1.102 +            throw new IllegalArgumentException("Header may not be null");
   1.103 +        }
   1.104 +        if (origin == null) {
   1.105 +            throw new IllegalArgumentException("Cookie origin may not be null");
   1.106 +        }
   1.107 +        if (!header.getName().equalsIgnoreCase(SM.SET_COOKIE)) {
   1.108 +            throw new MalformedCookieException("Unrecognized cookie header '"
   1.109 +                    + header.toString() + "'");
   1.110 +        }
   1.111 +        HeaderElement[] elems = header.getElements();
   1.112 +        return parse(elems, origin);
   1.113 +    }
   1.114 +
   1.115 +    @Override
   1.116 +    public void validate(final Cookie cookie, final CookieOrigin origin)
   1.117 +            throws MalformedCookieException {
   1.118 +        if (cookie == null) {
   1.119 +            throw new IllegalArgumentException("Cookie may not be null");
   1.120 +        }
   1.121 +        String name = cookie.getName();
   1.122 +        if (name.indexOf(' ') != -1) {
   1.123 +            throw new CookieRestrictionViolationException("Cookie name may not contain blanks");
   1.124 +        }
   1.125 +        if (name.startsWith("$")) {
   1.126 +            throw new CookieRestrictionViolationException("Cookie name may not start with $");
   1.127 +        }
   1.128 +        super.validate(cookie, origin);
   1.129 +    }
   1.130 +
   1.131 +    public List<Header> formatCookies(List<Cookie> cookies) {
   1.132 +        if (cookies == null) {
   1.133 +            throw new IllegalArgumentException("List of cookies may not be null");
   1.134 +        }
   1.135 +        if (cookies.isEmpty()) {
   1.136 +            throw new IllegalArgumentException("List of cookies may not be empty");
   1.137 +        }
   1.138 +        if (cookies.size() > 1) {
   1.139 +            // Create a mutable copy and sort the copy.
   1.140 +            cookies = new ArrayList<Cookie>(cookies);
   1.141 +            Collections.sort(cookies, PATH_COMPARATOR);
   1.142 +        }
   1.143 +        if (this.oneHeader) {
   1.144 +            return doFormatOneHeader(cookies);
   1.145 +        } else {
   1.146 +            return doFormatManyHeaders(cookies);
   1.147 +        }
   1.148 +    }
   1.149 +
   1.150 +    private List<Header> doFormatOneHeader(final List<Cookie> cookies) {
   1.151 +        int version = Integer.MAX_VALUE;
   1.152 +        // Pick the lowest common denominator
   1.153 +        for (Cookie cookie : cookies) {
   1.154 +            if (cookie.getVersion() < version) {
   1.155 +                version = cookie.getVersion();
   1.156 +            }
   1.157 +        }
   1.158 +        CharArrayBuffer buffer = new CharArrayBuffer(40 * cookies.size());
   1.159 +        buffer.append(SM.COOKIE);
   1.160 +        buffer.append(": ");
   1.161 +        buffer.append("$Version=");
   1.162 +        buffer.append(Integer.toString(version));
   1.163 +        for (Cookie cooky : cookies) {
   1.164 +            buffer.append("; ");
   1.165 +            Cookie cookie = cooky;
   1.166 +            formatCookieAsVer(buffer, cookie, version);
   1.167 +        }
   1.168 +        List<Header> headers = new ArrayList<Header>(1);
   1.169 +        headers.add(new BufferedHeader(buffer));
   1.170 +        return headers;
   1.171 +    }
   1.172 +
   1.173 +    private List<Header> doFormatManyHeaders(final List<Cookie> cookies) {
   1.174 +        List<Header> headers = new ArrayList<Header>(cookies.size());
   1.175 +        for (Cookie cookie : cookies) {
   1.176 +            int version = cookie.getVersion();
   1.177 +            CharArrayBuffer buffer = new CharArrayBuffer(40);
   1.178 +            buffer.append("Cookie: ");
   1.179 +            buffer.append("$Version=");
   1.180 +            buffer.append(Integer.toString(version));
   1.181 +            buffer.append("; ");
   1.182 +            formatCookieAsVer(buffer, cookie, version);
   1.183 +            headers.add(new BufferedHeader(buffer));
   1.184 +        }
   1.185 +        return headers;
   1.186 +    }
   1.187 +
   1.188 +    /**
   1.189 +     * Return a name/value string suitable for sending in a <tt>"Cookie"</tt>
   1.190 +     * header as defined in RFC 2109 for backward compatibility with cookie
   1.191 +     * version 0
   1.192 +     * @param buffer The char array buffer to use for output
   1.193 +     * @param name The cookie name
   1.194 +     * @param value The cookie value
   1.195 +     * @param version The cookie version
   1.196 +     */
   1.197 +    protected void formatParamAsVer(final CharArrayBuffer buffer,
   1.198 +            final String name, final String value, int version) {
   1.199 +        buffer.append(name);
   1.200 +        buffer.append("=");
   1.201 +        if (value != null) {
   1.202 +            if (version > 0) {
   1.203 +                buffer.append('\"');
   1.204 +                buffer.append(value);
   1.205 +                buffer.append('\"');
   1.206 +            } else {
   1.207 +                buffer.append(value);
   1.208 +            }
   1.209 +        }
   1.210 +    }
   1.211 +
   1.212 +    /**
   1.213 +     * Return a string suitable for sending in a <tt>"Cookie"</tt> header
   1.214 +     * as defined in RFC 2109 for backward compatibility with cookie version 0
   1.215 +     * @param buffer The char array buffer to use for output
   1.216 +     * @param cookie The {@link Cookie} to be formatted as string
   1.217 +     * @param version The version to use.
   1.218 +     */
   1.219 +    protected void formatCookieAsVer(final CharArrayBuffer buffer,
   1.220 +            final Cookie cookie, int version) {
   1.221 +        formatParamAsVer(buffer, cookie.getName(), cookie.getValue(), version);
   1.222 +        if (cookie.getPath() != null) {
   1.223 +            if (cookie instanceof ClientCookie
   1.224 +                    && ((ClientCookie) cookie).containsAttribute(ClientCookie.PATH_ATTR)) {
   1.225 +                buffer.append("; ");
   1.226 +                formatParamAsVer(buffer, "$Path", cookie.getPath(), version);
   1.227 +            }
   1.228 +        }
   1.229 +        if (cookie.getDomain() != null) {
   1.230 +            if (cookie instanceof ClientCookie
   1.231 +                    && ((ClientCookie) cookie).containsAttribute(ClientCookie.DOMAIN_ATTR)) {
   1.232 +                buffer.append("; ");
   1.233 +                formatParamAsVer(buffer, "$Domain", cookie.getDomain(), version);
   1.234 +            }
   1.235 +        }
   1.236 +    }
   1.237 +
   1.238 +    public int getVersion() {
   1.239 +        return 1;
   1.240 +    }
   1.241 +
   1.242 +    public Header getVersionHeader() {
   1.243 +        return null;
   1.244 +    }
   1.245 +
   1.246 +    @Override
   1.247 +    public String toString() {
   1.248 +        return "rfc2109";
   1.249 +    }
   1.250 +
   1.251 +}

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