C++ ParsedCookie::isUnderSizeLimit方法代码示例

//.........这里部分代码省略.........
                // We do not have room for the comment part (and so do Mozilla) so just log the comment.
                LOG(Network, "Comment %s for ParsedCookie : %s\n", parsedValue.ascii().data(), cookie.ascii().data());
            else
                LOG_AND_DELETE("Invalid cookie %s (comment)", cookie.ascii().data());
            break;
        }

        case 'V' :
        case 'v' : {
            if (length >= 7 && cookie.find("ersion", tokenStartSvg + 1, false)) {
                // Although the out-of-dated Cookie Spec(RFC2965, http://tools.ietf.org/html/rfc2965) defined
                // the value of version can only contain DIGIT, some random sites, e.g. https://devforums.apple.com
                // would use double quotation marks to quote the digit. So we need to get rid of them for compliance.
                if (parsedValue.length() > 1 && parsedValue[0] == '"' && parsedValue[parsedValue.length() - 1] == '"')
                    parsedValue = parsedValue.substring(1, parsedValue.length() - 2);

                if (parsedValue.toInt() != 1)
                    LOG_AND_DELETE("ParsedCookie version %d not supported (only support version=1)", parsedValue.toInt());
            } else
                LOG_AND_DELETE("Invalid cookie %s (version)", cookie.ascii().data());
            break;
        }

        case 'S' :
        case 's' : {
            // Secure is a standalone token ("Secure;")
            if (length >= 6 && cookie.find("ecure", tokenStartSvg + 1, false))
                res->setSecureFlag(true);
            else
                LOG_AND_DELETE("Invalid cookie %s (secure)", cookie.ascii().data());
            break;
        }
        case 'H':
        case 'h': {
            // HttpOnly is a standalone token ("HttpOnly;")
            if (length >= 8 && cookie.find("ttpOnly", tokenStartSvg + 1, false))
                res->setIsHttpOnly(true);
            else
                LOG_AND_DELETE("Invalid cookie %s (HttpOnly)", cookie.ascii().data());
            break;
        }

        default : {
            // If length == 0, we should be at the end of the cookie (case : ";\r") so ignore it
            if (length)
                LOG_ERROR("Invalid token for cookie %s", cookie.ascii().data());
        }
        }
    }

    // Check if the cookie is valid with respect to the size limit.
    if (!res->isUnderSizeLimit())
        LOG_AND_DELETE("ParsedCookie %s is above the 4kb in length : REJECTED", cookie.ascii().data());

    // If some pair was not provided, during parsing then apply some default value
    // the rest has been done in the constructor.

    // If no domain was provided, set it to the host
    if (!res->domain())
        res->setDefaultDomain(m_defaultCookieURL);

    // According to the Cookie Specificaiton (RFC6265, section 4.1.2.4 and 5.2.4, http://tools.ietf.org/html/rfc6265),
    // If no path was provided or the first character of the path value is not '/', set it to the host's path
    //
    // REFERENCE
    // 4.1.2.4. The Path Attribute
    //
    // The scope of each cookie is limited to a set of paths, controlled by
    // the Path attribute. If the server omits the Path attribute, the user
    // agent will use the "directory" of the request-uri's path component as
    // the default value. (See Section 5.1.4 for more details.)
    // ...........
    // 5.2.4. The Path Attribute
    //
    // If the attribute-name case-insensitively matches the string "Path",
    // the user agent MUST process the cookie-av as follows.
    //
    // If the attribute-value is empty or if the first character of the
    // attribute-value is not %x2F ("/"):
    //
    // Let cookie-path be the default-path.
    //
    // Otherwise:
    //
    // Let cookie-path be the attribute-value.
    //
    // Append an attribute to the cookie-attribute-list with an attribute-
    // name of Path and an attribute-value of cookie-path.
    if (!res->path() || !res->path().length() || !res->path().startsWith("/", false)) {
        String path = m_defaultCookieURL.string().substring(m_defaultCookieURL.pathStart(), m_defaultCookieURL.pathAfterLastSlash() - m_defaultCookieURL.pathStart() - 1);
        if (path.isEmpty())
            path = "/";
        // Since this is reading the raw url string, it could contain percent-encoded sequences. We
        // want it to be comparable to the return value of url.path(), which is not percent-encoded,
        // so we must remove the escape sequences.
        res->setPath(decodeURLEscapeSequences(path));
    }
 
    return res;
}

//.........这里部分代码省略.........
                break;
            }

            case 'M' :
            case 'm' : {
                if (length >= 7 && cookie.find("ax-age", tokenStartSvg + 1, false))
                    res->setMaxAge(parsedValue);
                else {
                    LOG_ERROR("Invalid cookie %s (max-age)", cookie.ascii().data());
                    delete res;
                    return 0;
                }
                break;
            }

            case 'C' :
            case 'c' : {
                if (length >= 7 && cookie.find("omment", tokenStartSvg + 1, false))
                    // We do not have room for the comment part (and so do Mozilla) so just log the comment.
                    LOG(Network, "Comment %s for ParsedCookie : %s\n", parsedValue.ascii().data(), cookie.ascii().data());
                else {
                    LOG_ERROR("Invalid cookie %s (comment)", cookie.ascii().data());
                    delete res;
                    return 0;
                }
                break;
            }

            case 'V' :
            case 'v' : {
                if (length >= 7 && cookie.find("ersion", tokenStartSvg + 1, false)) {
                    if (parsedValue.toInt() != 1) {
                        LOG_ERROR("ParsedCookie version %d not supported (only support version=1)", parsedValue.toInt());
                        delete res;
                        return 0;
                    }
                } else {
                    LOG_ERROR("Invalid cookie %s (version)", cookie.ascii().data());
                    delete res;
                    return 0;
                }
                break;
            }

            case 'S' :
            case 's' : {
                // Secure is a standalone token ("Secure;")
                if (length >= 6 && cookie.find("ecure", tokenStartSvg + 1, false))
                    res->setSecureFlag(true);
                else {
                    LOG_ERROR("Invalid cookie %s (secure)", cookie.ascii().data());
                    delete res;
                    return 0;
                }
                break;
            }
            case 'H':
            case 'h': {
                // HttpOnly is a standalone token ("HttpOnly;")
                if (length >= 8 && cookie.find("ttpOnly", tokenStartSvg + 1, false))
                    res->setIsHttpOnly(true);
                else {
                    LOG_ERROR("Invalid cookie %s (HttpOnly)", cookie.ascii().data());
                    delete res;
                    return 0;
                }
                break;
            }

            default : {
                // If length == 0, we should be at the end of the cookie (case : ";\r") so ignore it
                if (length) {
                    LOG_ERROR("Invalid token for cookie %s", cookie.ascii().data());
                    delete res;
                    return 0;
                }
            }
        }
    }

    // Check if the cookie is valid with respect to the size limit/
    if (!res->isUnderSizeLimit()) {
        LOG_ERROR("ParsedCookie %s is above the 4kb in length : REJECTED", cookie.ascii().data());
        delete res;
        return 0;
    }

    // If some pair was not provided, during parsing then apply some default value
    // the rest has been done in the constructor.

    // If no domain was provided, set it to the host
    if (!res->domain() || !res->domain().length())
        res->setDomain("." + m_defaultCookieURL.host());

    // If no path was provided, set it to the host's path
    if (!res->path() || !res->path().length())
        res->setPath(m_defaultCookieURL.path());

    return res;
}