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Merge pull request #2776 from Vojtech-Sassmann/syncGroupsToResources
Group structure sync - resources
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104 changes: 104 additions & 0 deletions
104
...re/impl/modules/attributes/urn_perun_group_attribute_def_def_groupStructureResources.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| package cz.metacentrum.perun.core.impl.modules.attributes; | ||
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| import cz.metacentrum.perun.core.api.Attribute; | ||
| import cz.metacentrum.perun.core.api.AttributeDefinition; | ||
| import cz.metacentrum.perun.core.api.AttributesManager; | ||
| import cz.metacentrum.perun.core.api.Group; | ||
| import cz.metacentrum.perun.core.api.Resource; | ||
| import cz.metacentrum.perun.core.api.Vo; | ||
| import cz.metacentrum.perun.core.api.exceptions.InternalErrorException; | ||
| import cz.metacentrum.perun.core.api.exceptions.VoNotExistsException; | ||
| import cz.metacentrum.perun.core.api.exceptions.WrongAttributeAssignmentException; | ||
| import cz.metacentrum.perun.core.api.exceptions.WrongAttributeValueException; | ||
| import cz.metacentrum.perun.core.api.exceptions.WrongReferenceAttributeValueException; | ||
| import cz.metacentrum.perun.core.impl.PerunSessionImpl; | ||
| import cz.metacentrum.perun.core.implApi.modules.attributes.GroupAttributesModuleAbstract; | ||
| import cz.metacentrum.perun.core.implApi.modules.attributes.GroupAttributesModuleImplApi; | ||
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|
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| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
| import java.util.stream.Collectors; | ||
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| /** | ||
| * @author Vojtech Sassmann <vojtech.sassmann@gmail.com> | ||
| */ | ||
| public class urn_perun_group_attribute_def_def_groupStructureResources extends GroupAttributesModuleAbstract implements GroupAttributesModuleImplApi { | ||
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| private static final Pattern resourceIdPattern = Pattern.compile("^[1-9][0-9]*$"); | ||
| private static final Pattern invalidEscapePattern = | ||
| Pattern.compile("(" + "([^\\\\]|^)(\\\\\\\\)*)\\\\([^,\\\\]|$)"); | ||
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| @Override | ||
| public void checkAttributeSyntax(PerunSessionImpl sess, Group group, Attribute attribute) throws WrongAttributeValueException { | ||
| //Null value is ok, means no settings for group | ||
| if(attribute.getValue() == null) return; | ||
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| LinkedHashMap<String, String> attrValues = attribute.valueAsMap(); | ||
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| boolean hasInvalidResourceName = attrValues.keySet().stream() | ||
| .anyMatch(this::invalidResourceName); | ||
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| if (hasInvalidResourceName) { | ||
| throw new WrongAttributeValueException(attribute, group, "Some of the specified resource ids has an invalid format."); | ||
| } | ||
| for (String rawGroupLogins : attrValues.values()) { | ||
| // null or empty value means the whole group tree | ||
| if (rawGroupLogins == null || rawGroupLogins.isEmpty()) { | ||
| continue; | ||
| } | ||
| Matcher m = invalidEscapePattern.matcher(rawGroupLogins); | ||
| if (m.find()) { | ||
| throw new WrongAttributeValueException(attribute, group, "Group logins format contains invalid escape sequence."); | ||
| } | ||
| if (!rawGroupLogins.endsWith(",")) { | ||
| throw new WrongAttributeValueException(attribute, group, "Each group login has to end with a comma ','."); | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public void checkAttributeSemantics(PerunSessionImpl sess, Group group, Attribute attribute) throws WrongReferenceAttributeValueException, WrongAttributeAssignmentException { | ||
| //Null value is ok, means no settings for group | ||
| if(attribute.getValue() == null) return; | ||
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| LinkedHashMap<String, String> attrValues = attribute.valueAsMap(); | ||
| Vo vo; | ||
| try { | ||
| vo = sess.getPerunBl().getVosManagerBl().getVoById(sess, group.getVoId()); | ||
| } catch (VoNotExistsException e) { | ||
| throw new InternalErrorException("Failed to find group's vo.", e); | ||
| } | ||
| List<Resource> voResources = sess.getPerunBl().getResourcesManagerBl().getResources(sess, vo); | ||
| Set<Integer> voResourceIds = voResources.stream() | ||
| .map(Resource::getId) | ||
| .collect(Collectors.toSet()); | ||
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| for (String rawId : attrValues.keySet()) { | ||
| int id = Integer.parseInt(rawId); | ||
| if (!voResourceIds.contains(id)) { | ||
| throw new WrongReferenceAttributeValueException(attribute, "There is no resource with id '" + id + "' assigned to the groups vo: " + vo); | ||
| } | ||
| } | ||
| } | ||
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| private boolean invalidResourceName(String value) { | ||
| return !resourceIdPattern.matcher(value).matches(); | ||
| } | ||
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| @Override | ||
| public AttributeDefinition getAttributeDefinition() { | ||
| AttributeDefinition attr = new AttributeDefinition(); | ||
| attr.setNamespace(AttributesManager.NS_GROUP_ATTR_DEF); | ||
| attr.setType(LinkedHashMap.class.getName()); | ||
| attr.setFriendlyName("groupStructureResources"); | ||
| attr.setDisplayName("Group structure synchronization resources"); | ||
| attr.setDescription("Defines, which resources (map keys) should be auto assigned, and to which groups " + | ||
| "(map values). Each group login should end with the `,` character (even the last one, eg: " + | ||
| "`login1,login2,`). If some of the group logins contains a comma ',' or backslash '\\', you have to " + | ||
| "escape it with the backslash '\\' character."); | ||
| return attr; | ||
| } | ||
| } |
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