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19 package org.apache.syncope.core.logic;
20
21 import java.lang.reflect.Method;
22 import java.util.List;
23 import java.util.Optional;
24 import java.util.stream.Collectors;
25 import org.apache.commons.lang3.ArrayUtils;
26 import org.apache.syncope.common.lib.SyncopeClientException;
27 import org.apache.syncope.common.lib.policy.PolicyTO;
28 import org.apache.syncope.common.lib.types.ClientExceptionType;
29 import org.apache.syncope.common.lib.types.IdRepoEntitlement;
30 import org.apache.syncope.common.lib.types.PolicyType;
31 import org.apache.syncope.core.persistence.api.dao.NotFoundException;
32 import org.apache.syncope.core.persistence.api.dao.PolicyDAO;
33 import org.apache.syncope.core.persistence.api.entity.policy.Policy;
34 import org.apache.syncope.core.persistence.api.entity.policy.PolicyUtils;
35 import org.apache.syncope.core.persistence.api.entity.policy.PolicyUtilsFactory;
36 import org.apache.syncope.core.provisioning.api.data.PolicyDataBinder;
37 import org.springframework.security.access.prepost.PreAuthorize;
38 import org.springframework.transaction.annotation.Transactional;
39
40 public class PolicyLogic extends AbstractTransactionalLogic<PolicyTO> {
41
42 protected final PolicyDAO policyDAO;
43
44 protected final PolicyDataBinder binder;
45
46 protected final PolicyUtilsFactory policyUtilsFactory;
47
48 public PolicyLogic(
49 final PolicyDAO policyDAO,
50 final PolicyDataBinder binder,
51 final PolicyUtilsFactory policyUtilsFactory) {
52
53 this.policyDAO = policyDAO;
54 this.binder = binder;
55 this.policyUtilsFactory = policyUtilsFactory;
56 }
57
58 @PreAuthorize("hasRole('" + IdRepoEntitlement.POLICY_CREATE + "')")
59 public <T extends PolicyTO> T create(final PolicyType type, final T policyTO) {
60 PolicyUtils policyUtils = policyUtilsFactory.getInstance(policyTO);
61 if (policyUtils.getType() != type) {
62 SyncopeClientException sce = SyncopeClientException.build(ClientExceptionType.InvalidRequest);
63 sce.getElements().add("Found " + type + ", expected " + policyUtils.getType());
64 throw sce;
65 }
66
67 return binder.getPolicyTO(policyDAO.save(binder.create(policyTO)));
68 }
69
70 @PreAuthorize("hasRole('" + IdRepoEntitlement.POLICY_UPDATE + "')")
71 public PolicyTO update(final PolicyType type, final PolicyTO policyTO) {
72 Policy policy = Optional.ofNullable(policyDAO.<Policy>find(policyTO.getKey())).
73 orElseThrow(() -> new NotFoundException("Policy " + policyTO.getKey() + " not found"));
74
75 PolicyUtils policyUtils = policyUtilsFactory.getInstance(policy);
76 if (policyUtils.getType() != type) {
77 SyncopeClientException sce = SyncopeClientException.build(ClientExceptionType.InvalidRequest);
78 sce.getElements().add("Found " + type + ", expected " + policyUtils.getType());
79 throw sce;
80 }
81
82 return binder.getPolicyTO(policyDAO.save(binder.update(policy, policyTO)));
83 }
84
85 @PreAuthorize("hasRole('" + IdRepoEntitlement.POLICY_LIST + "')")
86 @Transactional(readOnly = true)
87 public <T extends PolicyTO> List<T> list(final PolicyType type) {
88 PolicyUtils policyUtils = policyUtilsFactory.getInstance(type);
89
90 return policyDAO.find(policyUtils.policyClass()).stream().
91 <T>map(binder::getPolicyTO).collect(Collectors.toList());
92 }
93
94 @PreAuthorize("hasRole('" + IdRepoEntitlement.POLICY_READ + "')")
95 @Transactional(readOnly = true)
96 public <T extends PolicyTO> T read(final PolicyType type, final String key) {
97 Policy policy = Optional.ofNullable(policyDAO.<Policy>find(key)).
98 orElseThrow(() -> new NotFoundException("Policy " + key + " not found"));
99
100 PolicyUtils policyUtils = policyUtilsFactory.getInstance(policy);
101 if (type != null && policyUtils.getType() != type) {
102 SyncopeClientException sce = SyncopeClientException.build(ClientExceptionType.InvalidRequest);
103 sce.getElements().add("Found " + type + ", expected " + policyUtils.getType());
104 throw sce;
105 }
106
107 return binder.getPolicyTO(policy);
108 }
109
110 @PreAuthorize("hasRole('" + IdRepoEntitlement.POLICY_DELETE + "')")
111 public <T extends PolicyTO> T delete(final PolicyType type, final String key) {
112 Policy policy = Optional.ofNullable(policyDAO.<Policy>find(key)).
113 orElseThrow(() -> new NotFoundException("Policy " + key + " not found"));
114
115 PolicyUtils policyUtils = policyUtilsFactory.getInstance(policy);
116 if (type != null && policyUtils.getType() != type) {
117 SyncopeClientException sce = SyncopeClientException.build(ClientExceptionType.InvalidRequest);
118 sce.getElements().add("Found " + type + ", expected " + policyUtils.getType());
119 throw sce;
120 }
121
122 T deleted = binder.getPolicyTO(policy);
123 policyDAO.delete(policy);
124
125 return deleted;
126 }
127
128 @Override
129 protected PolicyTO resolveReference(final Method method, final Object... args)
130 throws UnresolvedReferenceException {
131
132 if (ArrayUtils.isEmpty(args) || args.length != 2) {
133 throw new UnresolvedReferenceException();
134 }
135
136 try {
137 final String key;
138 final PolicyType type;
139
140 if (args[0] instanceof PolicyType) {
141 type = (PolicyType) args[0];
142 } else {
143 throw new RuntimeException("Invalid Policy type");
144 }
145
146 if (args[1] instanceof String) {
147 key = (String) args[1];
148 } else if (args[1] instanceof PolicyTO) {
149 key = ((PolicyTO) args[1]).getKey();
150 } else {
151 throw new RuntimeException("Invalid ClientApp key");
152 }
153
154 return read(type, key);
155 } catch (Throwable t) {
156 throw new UnresolvedReferenceException();
157 }
158 }
159 }