hostsharing/hs.hsadmin.ng
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moving the JSonSerializer to a separate package

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This commit is contained in:
Michael Hoennig 2019-04-19 07:18:20 +02:00
parent 6ab67995ff
commit f4960f260e
5 changed files with 152 additions and 73 deletions
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16
src/main/java/org/hostsharing/hsadminng/service/accessfilter/AccessFor.java Normal file
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@ -0,0 +1,16 @@
package org.hostsharing.hsadminng.service.accessfilter;
import java.lang.annotation.*;
@Target({ElementType.FIELD, ElementType.TYPE_USE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface AccessFor {
Role[] init() default Role.NOBODY;
Role[] update() default Role.NOBODY;
Role[] read() default Role.NOBODY;
}

68
src/main/java/org/hostsharing/hsadminng/service/accessfilter/JSonSerializerWithAccessFilter.java Normal file
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@ -0,0 +1,68 @@
package org.hostsharing.hsadminng.service.accessfilter;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import org.apache.commons.lang3.NotImplementedException;
import org.hostsharing.hsadminng.security.SecurityUtils;
import org.hostsharing.hsadminng.service.dto.CustomerDTO;
import org.springframework.boot.jackson.JsonComponent;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
@JsonComponent
public class JSonSerializerWithAccessFilter extends JsonSerializer<Object> {
@Override
public void serialize(Object dto, JsonGenerator jsonGenerator,
SerializerProvider serializerProvider) throws IOException {
jsonGenerator.writeStartObject();
for (Field prop : CustomerDTO.class.getDeclaredFields()) {
toJSon(dto, jsonGenerator, prop);
}
jsonGenerator.writeEndObject();
}
private void toJSon(Object dto, JsonGenerator jsonGenerator, Field prop) throws IOException {
if (getLoginUserRole().isAllowedToRead(prop)) {
final String fieldName = prop.getName();
if (Integer.class.isAssignableFrom(prop.getType()) || int.class.isAssignableFrom(prop.getType())) {
jsonGenerator.writeNumberField(fieldName, (int) get(dto, prop));
} else if (Long.class.isAssignableFrom(prop.getType()) || long.class.isAssignableFrom(prop.getType())) {
jsonGenerator.writeNumberField(fieldName, (long) get(dto, prop));
} else if (String.class.isAssignableFrom(prop.getType())) {
jsonGenerator.writeStringField(fieldName, (String) get(dto, prop));
} else {
throw new NotImplementedException("property type not yet implemented" + prop);
}
}
}
private Object get(Object dto, Field field) {
try {
field.setAccessible(true);
return field.get(dto);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
private Role getLoginUserRole() {
return SecurityUtils.getCurrentUserLogin().map(u -> Role.valueOf(u.toUpperCase())).orElse(Role.ANYBODY);
}
private Object invoke(Object dto, Method method) {
try {
return method.invoke(dto);
} catch (IllegalAccessException | InvocationTargetException e) {
throw new RuntimeException(e);
}
}
}

66
src/main/java/org/hostsharing/hsadminng/service/accessfilter/Role.java Normal file
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@ -0,0 +1,66 @@
package org.hostsharing.hsadminng.service.accessfilter;
import org.hostsharing.hsadminng.security.SecurityUtils;
import java.lang.reflect.Field;
public enum Role {
NOBODY(0), HOSTMASTER(1), ADMIN(2), SUPPORTER(3),
ANY_CUSTOMER_CONTACT(20), CONTRACTUAL_CONTACT(21), FINANCIAL_CONTACT(22), TECHNICAL_CONTACT(22),
ANY_CUSTOMER_USER(80),
ANYBODY(99);
private final int level;
Role(final int level) {
this.level = level;
}
boolean covers(final Role role) {
return this == role || this.level < role.level;
}
public boolean isAllowedToInit(Field field) {
final AccessFor accessFor = field.getAnnotation(AccessFor.class);
if (accessFor == null) {
return false;
}
return isRoleCovered(accessFor.init());
}
public boolean isAllowedToUpdate(Field field) {
final Role loginUserRole = SecurityUtils.getCurrentUserLogin().map(u -> Role.valueOf(u.toUpperCase())).orElse(Role.ANYBODY);
final AccessFor accessFor = field.getAnnotation(AccessFor.class);
if (accessFor == null) {
return false;
}
return isRoleCovered(accessFor.update());
}
public boolean isAllowedToRead(Field field) {
final Role loginUserRole = SecurityUtils.getCurrentUserLogin().map(u -> Role.valueOf(u.toUpperCase())).orElse(Role.ANYBODY);
final AccessFor accessFor = field.getAnnotation(AccessFor.class);
if (accessFor == null) {
return false;
}
return isRoleCovered(accessFor.read());
}
private boolean isRoleCovered(Role[] requiredRoles) {
for (Role accessAllowedForRole : requiredRoles) {
if (this.covers(accessAllowedForRole)) {
return true;
}
}
return false;
}
}

74
src/main/java/org/hostsharing/hsadminng/service/dto/CustomerDTO.java
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@ -11,6 +11,8 @@ import com.fasterxml.jackson.databind.node.IntNode;
import com.fasterxml.jackson.databind.node.TextNode;
import org.apache.commons.lang3.NotImplementedException;
import org.hostsharing.hsadminng.security.SecurityUtils;
import org.hostsharing.hsadminng.service.accessfilter.AccessFor;
import org.hostsharing.hsadminng.service.accessfilter.Role;
import org.springframework.boot.jackson.JsonComponent;
import javax.validation.constraints.*;
@ -254,75 +256,3 @@ public class CustomerDTO implements Serializable {
}
}
enum Role {
NOBODY(0), HOSTMASTER(1), ADMIN(2), SUPPORTER(3),
ANY_CUSTOMER_CONTACT(20), CONTRACTUAL_CONTACT(21), FINANCIAL_CONTACT(22), TECHNICAL_CONTACT(22),
ANY_CUSTOMER_USER(80),
ANYBODY(99);
private final int level;
Role(final int level) {
this.level = level;
}
boolean covers(final Role role) {
return this == role || this.level < role.level;
}
public boolean isAllowedToInit(Field field) {
final AccessFor accessFor = field.getAnnotation(AccessFor.class);
if (accessFor == null) {
return false;
}
return isRoleCovered(accessFor.init());
}
public boolean isAllowedToUpdate(Field field) {
final Role loginUserRole = SecurityUtils.getCurrentUserLogin().map(u -> Role.valueOf(u.toUpperCase())).orElse(Role.ANYBODY);
final AccessFor accessFor = field.getAnnotation(AccessFor.class);
if (accessFor == null) {
return false;
}
return isRoleCovered(accessFor.update());
}
public boolean isAllowedToRead(Field field) {
final Role loginUserRole = SecurityUtils.getCurrentUserLogin().map(u -> Role.valueOf(u.toUpperCase())).orElse(Role.ANYBODY);
final AccessFor accessFor = field.getAnnotation(AccessFor.class);
if (accessFor == null) {
return false;
}
return isRoleCovered(accessFor.read());
}
private boolean isRoleCovered(Role[] requiredRoles) {
for (Role accessAllowedForRole : requiredRoles) {
if (this.covers(accessAllowedForRole)) {
return true;
}
}
return false;
}
}
@Target({ElementType.FIELD, ElementType.TYPE_USE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@interface AccessFor {
Role[] init() default Role.NOBODY;
Role[] update() default Role.NOBODY;
Role[] read() default Role.NOBODY;
}

1
src/test/java/org/hostsharing/hsadminng/service/dto/CustomerDTOUnitTest.java
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@ -22,7 +22,6 @@ import static org.junit.Assert.assertEquals;
@RunWith(SpringRunner.class)
public class CustomerDTOUnitTest {
@Autowired
private ObjectMapper objectMapper;