| | |
| | | */ |
| | | package org.opends.server.schema; |
| | | |
| | | import static org.opends.messages.SchemaMessages.*; |
| | | import static org.opends.server.schema.SchemaConstants.*; |
| | | |
| | | import java.util.List; |
| | | import org.forgerock.i18n.slf4j.LocalizedLogger; |
| | | |
| | | import org.opends.server.admin.server.ConfigurationChangeListener; |
| | | import org.opends.server.admin.std.server.JPEGAttributeSyntaxCfg; |
| | | import org.forgerock.opendj.ldap.schema.MatchingRule; |
| | | import org.opends.server.api.AttributeSyntax; |
| | | import org.forgerock.opendj.config.server.ConfigException; |
| | | import org.opends.server.core.DirectoryServer; |
| | | import org.forgerock.opendj.ldap.ByteSequence; |
| | | import org.forgerock.opendj.config.server.ConfigChangeResult; |
| | | |
| | | import org.forgerock.i18n.LocalizableMessage; |
| | | import org.forgerock.i18n.LocalizableMessageBuilder; |
| | | import org.forgerock.opendj.config.server.ConfigChangeResult; |
| | | import org.forgerock.opendj.config.server.ConfigException; |
| | | import org.forgerock.opendj.ldap.Option; |
| | | import org.forgerock.opendj.ldap.schema.Schema; |
| | | import org.forgerock.opendj.ldap.schema.SchemaOptions; |
| | | import org.forgerock.opendj.ldap.schema.Syntax; |
| | | import org.opends.server.admin.server.ConfigurationChangeListener; |
| | | import org.opends.server.admin.std.server.JPEGAttributeSyntaxCfg; |
| | | import org.opends.server.api.AttributeSyntax; |
| | | import org.opends.server.core.ServerContext; |
| | | |
| | | /** |
| | | * This class implements the JPEG attribute syntax. This is actually |
| | |
| | | implements ConfigurationChangeListener<JPEGAttributeSyntaxCfg> |
| | | { |
| | | |
| | | private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass(); |
| | | |
| | | /** The default equality matching rule for this syntax. */ |
| | | private MatchingRule defaultEqualityMatchingRule; |
| | | |
| | | /** The default ordering matching rule for this syntax. */ |
| | | private MatchingRule defaultOrderingMatchingRule; |
| | | |
| | | /** The default substring matching rule for this syntax. */ |
| | | private MatchingRule defaultSubstringMatchingRule; |
| | | |
| | | /** The current configuration for this JPEG syntax. */ |
| | | private volatile JPEGAttributeSyntaxCfg config; |
| | | |
| | | private ServerContext serverContext; |
| | | |
| | | /** |
| | | * Creates a new instance of this syntax. Note that the only thing that |
| | | * should be done here is to invoke the default constructor for the |
| | |
| | | } |
| | | |
| | | /** {@inheritDoc} */ |
| | | public void initializeSyntax(JPEGAttributeSyntaxCfg configuration) |
| | | @Override |
| | | public void initializeSyntax(JPEGAttributeSyntaxCfg configuration, ServerContext serverContext) |
| | | throws ConfigException |
| | | { |
| | | defaultEqualityMatchingRule = |
| | | DirectoryServer.getMatchingRule(EMR_OCTET_STRING_OID); |
| | | if (defaultEqualityMatchingRule == null) |
| | | { |
| | | logger.error(ERR_ATTR_SYNTAX_UNKNOWN_EQUALITY_MATCHING_RULE, EMR_OCTET_STRING_OID, SYNTAX_JPEG_NAME); |
| | | } |
| | | |
| | | defaultOrderingMatchingRule = |
| | | DirectoryServer.getMatchingRule(OMR_OCTET_STRING_OID); |
| | | if (defaultOrderingMatchingRule == null) |
| | | { |
| | | logger.error(ERR_ATTR_SYNTAX_UNKNOWN_ORDERING_MATCHING_RULE, OMR_OCTET_STRING_OID, SYNTAX_JPEG_NAME); |
| | | } |
| | | |
| | | defaultSubstringMatchingRule = |
| | | DirectoryServer.getMatchingRule(SMR_OCTET_STRING_OID); |
| | | if (defaultSubstringMatchingRule == null) |
| | | { |
| | | logger.error(ERR_ATTR_SYNTAX_UNKNOWN_SUBSTRING_MATCHING_RULE, SMR_OCTET_STRING_OID, SYNTAX_JPEG_NAME); |
| | | } |
| | | |
| | | this.config = configuration; |
| | | this.serverContext = serverContext; |
| | | updateNewSchema(); |
| | | config.addJPEGChangeListener(this); |
| | | } |
| | | |
| | | /** Update the option in new schema if it changes from current value. */ |
| | | private void updateNewSchema() |
| | | { |
| | | Option<Boolean> option = SchemaOptions.ALLOW_MALFORMED_JPEG_PHOTOS; |
| | | if (config.isStrictFormat() == serverContext.getSchemaNG().getOption(option)) |
| | | { |
| | | SchemaUpdater schemaUpdater = serverContext.getSchemaUpdater(); |
| | | schemaUpdater.updateSchema( |
| | | schemaUpdater.getSchemaBuilder().setOption(option, !config.isStrictFormat()).toSchema()); |
| | | } |
| | | } |
| | | |
| | | /** {@inheritDoc} */ |
| | | @Override |
| | | public Syntax getSDKSyntax(Schema schema) |
| | | { |
| | | return schema.getSyntax(SchemaConstants.SYNTAX_JPEG_OID); |
| | | } |
| | | |
| | | /** |
| | | * Retrieves the common name for this attribute syntax. |
| | | * |
| | | * @return The common name for this attribute syntax. |
| | | */ |
| | | @Override |
| | | public String getName() |
| | | { |
| | | return SYNTAX_JPEG_NAME; |
| | |
| | | * |
| | | * @return The OID for this attribute syntax. |
| | | */ |
| | | @Override |
| | | public String getOID() |
| | | { |
| | | return SYNTAX_JPEG_OID; |
| | |
| | | * |
| | | * @return A description for this attribute syntax. |
| | | */ |
| | | @Override |
| | | public String getDescription() |
| | | { |
| | | return SYNTAX_JPEG_DESCRIPTION; |
| | | } |
| | | |
| | | /** |
| | | * Retrieves the default equality matching rule that will be used for |
| | | * attributes with this syntax. |
| | | * |
| | | * @return The default equality matching rule that will be used for |
| | | * attributes with this syntax, or <CODE>null</CODE> if equality |
| | | * matches will not be allowed for this type by default. |
| | | */ |
| | | public MatchingRule getEqualityMatchingRule() |
| | | { |
| | | return defaultEqualityMatchingRule; |
| | | } |
| | | |
| | | /** |
| | | * Retrieves the default ordering matching rule that will be used for |
| | | * attributes with this syntax. |
| | | * |
| | | * @return The default ordering matching rule that will be used for |
| | | * attributes with this syntax, or <CODE>null</CODE> if ordering |
| | | * matches will not be allowed for this type by default. |
| | | */ |
| | | public MatchingRule getOrderingMatchingRule() |
| | | { |
| | | return defaultOrderingMatchingRule; |
| | | } |
| | | |
| | | /** |
| | | * Retrieves the default substring matching rule that will be used for |
| | | * attributes with this syntax. |
| | | * |
| | | * @return The default substring matching rule that will be used for |
| | | * attributes with this syntax, or <CODE>null</CODE> if substring |
| | | * matches will not be allowed for this type by default. |
| | | */ |
| | | public MatchingRule getSubstringMatchingRule() |
| | | { |
| | | return defaultSubstringMatchingRule; |
| | | } |
| | | |
| | | /** |
| | | * Retrieves the default approximate matching rule that will be used for |
| | | * attributes with this syntax. |
| | | * |
| | | * @return The default approximate matching rule that will be used for |
| | | * attributes with this syntax, or <CODE>null</CODE> if approximate |
| | | * matches will not be allowed for this type by default. |
| | | */ |
| | | public MatchingRule getApproximateMatchingRule() |
| | | { |
| | | // There is no approximate matching rule by default. |
| | | return null; |
| | | } |
| | | |
| | | /** |
| | | * Indicates whether the provided value is acceptable for use in an attribute |
| | | * with this syntax. If it is not, then the reason may be appended to the |
| | | * provided buffer. |
| | | * |
| | | * @param value The value for which to make the determination. |
| | | * @param invalidReason The buffer to which the invalid reason should be |
| | | * appended. |
| | | * |
| | | * @return <CODE>true</CODE> if the provided value is acceptable for use with |
| | | * this syntax, or <CODE>false</CODE> if not. |
| | | */ |
| | | public boolean valueIsAcceptable(ByteSequence value, |
| | | LocalizableMessageBuilder invalidReason) |
| | | { |
| | | // anything is acceptable if we're not strict. |
| | | if (!config.isStrictFormat()) |
| | | return true; |
| | | |
| | | /* JFIF files start: |
| | | * 0xff 0xd8 0xff 0xe0 LH LL 0x4a 0x46 0x49 0x46 ... |
| | | * SOI APP0 len "JFIF" |
| | | * |
| | | * Exif files (from most digital cameras) start: |
| | | * 0xff 0xd8 0xff 0xe1 LH LL 0x45 0x78 0x69 0x66 ... |
| | | * SOI APP1 len "Exif" |
| | | * |
| | | * So all legal values must be at least 10 bytes long |
| | | */ |
| | | if (value.length() < 10) |
| | | return false; |
| | | |
| | | if (value.byteAt(0) != (byte)0xff && value.byteAt(1) != (byte)0xd8) |
| | | return false; |
| | | |
| | | if (value.byteAt(2) == (byte)0xff && value.byteAt(3) == (byte)0xe0 && |
| | | value.byteAt(6) == 'J' && value.byteAt(7) == 'F' && |
| | | value.byteAt(8) == 'I' && value.byteAt(9) == 'F') |
| | | return true; |
| | | |
| | | if (value.byteAt(2) == (byte)0xff && value.byteAt(3) == (byte)0xe1 && |
| | | value.byteAt(6) == 'E' && value.byteAt(7) == 'x' && |
| | | value.byteAt(8) == 'i' && value.byteAt(9) == 'f') |
| | | return true; |
| | | |
| | | // No JFIF or Exif header found |
| | | return false; |
| | | } |
| | | |
| | | |
| | | /** {@inheritDoc} */ |
| | | @Override |
| | | public boolean isConfigurationChangeAcceptable( |
| | | JPEGAttributeSyntaxCfg configuration, |
| | | List<LocalizableMessage> unacceptableReasons) |
| | |
| | | } |
| | | |
| | | /** {@inheritDoc} */ |
| | | @Override |
| | | public ConfigChangeResult applyConfigurationChange( |
| | | JPEGAttributeSyntaxCfg configuration) |
| | | { |
| | | this.config = configuration; |
| | | updateNewSchema(); |
| | | return new ConfigChangeResult(); |
| | | } |
| | | |
| | | |
| | | /** {@inheritDoc} */ |
| | | public boolean isBEREncodingRequired() |
| | | { |
| | | return false; |
| | | } |
| | | |
| | | /** {@inheritDoc} */ |
| | | public boolean isHumanReadable() |
| | | { |
| | | return false; |
| | | } |
| | | } |
| | | |