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1   package de.dlr.shepard.endpoints;
2   
3   import java.io.InputStream;
4   import java.util.ArrayList;
5   
6   import org.glassfish.jersey.media.multipart.FormDataContentDisposition;
7   import org.glassfish.jersey.media.multipart.FormDataParam;
8   
9   import de.dlr.shepard.filters.Subscribable;
10  import de.dlr.shepard.neo4Core.io.FileContainerIO;
11  import de.dlr.shepard.neo4Core.io.PermissionsIO;
12  import de.dlr.shepard.neo4Core.orderBy.ContainerAttributes;
13  import de.dlr.shepard.neo4Core.services.FileContainerService;
14  import de.dlr.shepard.neo4Core.services.PermissionsService;
15  import de.dlr.shepard.security.PermissionsUtil;
16  import de.dlr.shepard.util.Constants;
17  import de.dlr.shepard.util.QueryParamHelper;
18  import jakarta.validation.Valid;
19  import jakarta.ws.rs.Consumes;
20  import jakarta.ws.rs.DELETE;
21  import jakarta.ws.rs.GET;
22  import jakarta.ws.rs.POST;
23  import jakarta.ws.rs.PUT;
24  import jakarta.ws.rs.Path;
25  import jakarta.ws.rs.PathParam;
26  import jakarta.ws.rs.Produces;
27  import jakarta.ws.rs.QueryParam;
28  import jakarta.ws.rs.core.Context;
29  import jakarta.ws.rs.core.MediaType;
30  import jakarta.ws.rs.core.Response;
31  import jakarta.ws.rs.core.Response.Status;
32  import jakarta.ws.rs.core.SecurityContext;
33  
34  @Consumes(MediaType.APPLICATION_JSON)
35  @Produces(MediaType.APPLICATION_JSON)
36  @Path(Constants.FILES)
37  public class FileRestImpl implements FileRest {
38  	private FileContainerService fileContainerService = new FileContainerService();
39  	private PermissionsService permissionsService = new PermissionsService();
40  
41  	@Context
42  	private SecurityContext securityContext;
43  
44  	@GET
45  	@Override
46  	public Response getAllFileContainers(@QueryParam(Constants.QP_NAME) String name,
47  			@QueryParam(Constants.QP_PAGE) Integer page, @QueryParam(Constants.QP_SIZE) Integer size,
48  			@QueryParam(Constants.QP_ORDER_BY_ATTRIBUTE) ContainerAttributes orderBy,
49  			@QueryParam(Constants.QP_ORDER_DESC) Boolean orderDesc) {
50  		var params = new QueryParamHelper();
51  		if (name != null)
52  			params = params.withName(name);
53  		if (page != null && size != null)
54  			params = params.withPageAndSize(page, size);
55  		if (orderBy != null)
56  			params = params.withOrderByAttribute(orderBy, orderDesc);
57  		var containers = fileContainerService.getAllContainers(params, securityContext.getUserPrincipal().getName());
58  		var result = new ArrayList<FileContainerIO>(containers.size());
59  		for (var container : containers) {
60  			result.add(new FileContainerIO(container));
61  		}
62  		return Response.ok(result).build();
63  	}
64  
65  	@GET
66  	@Path("/{" + Constants.FILE_CONTAINER_ID + "}")
67  	@Override
68  	public Response getFileContainer(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId) {
69  		var result = fileContainerService.getContainer(fileContainerId);
70  		return Response.ok(new FileContainerIO(result)).build();
71  	}
72  
73  	@POST
74  	@Override
75  	public Response createFileContainer(FileContainerIO fileContainer) {
76  		var result = fileContainerService.createContainer(fileContainer, securityContext.getUserPrincipal().getName());
77  		return Response.ok(new FileContainerIO(result)).status(Status.CREATED).build();
78  	}
79  
80  	@DELETE
81  	@Path("/{" + Constants.FILE_CONTAINER_ID + "}")
82  	@Subscribable
83  	@Override
84  	public Response deleteFileContainer(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId) {
85  		var result = fileContainerService.deleteContainer(fileContainerId,
86  				securityContext.getUserPrincipal().getName());
87  		return result ? Response.status(Status.NO_CONTENT).build()
88  				: Response.status(Status.INTERNAL_SERVER_ERROR).build();
89  	}
90  
91  	@GET
92  	@Path("/{" + Constants.FILE_CONTAINER_ID + "}/payload")
93  	@Override
94  	public Response getAllFiles(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId) {
95  		var payload = fileContainerService.getContainer(fileContainerId).getFiles();
96  		return Response.ok(payload).build();
97  	}
98  
99  	@GET
100 	@Path("/{" + Constants.FILE_CONTAINER_ID + "}/payload/{" + Constants.OID + "}")
101 	@Produces({ MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON })
102 	@Override
103 	public Response getFile(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId,
104 			@PathParam(Constants.OID) String oid) {
105 		var payload = fileContainerService.getFile(fileContainerId, oid);
106 		return payload != null
107 				? Response.ok(payload.getInputStream(), MediaType.APPLICATION_OCTET_STREAM)
108 						.header("Content-Disposition", "attachment; filename=\"" + payload.getName() + "\"")
109 						.header("Content-Length", payload.getSize()).build()
110 				: Response.status(Status.NOT_FOUND).build();
111 	}
112 
113 	@DELETE
114 	@Path("/{" + Constants.FILE_CONTAINER_ID + "}/payload/{" + Constants.OID + "}")
115 	@Subscribable
116 	@Override
117 	public Response deleteFile(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId,
118 			@PathParam(Constants.OID) String oid) {
119 		var result = fileContainerService.deleteFile(fileContainerId, oid);
120 		return result ? Response.status(Status.NO_CONTENT).build()
121 				: Response.status(Status.INTERNAL_SERVER_ERROR).build();
122 	}
123 
124 	@POST
125 	@Consumes(MediaType.MULTIPART_FORM_DATA)
126 	@Path("/{" + Constants.FILE_CONTAINER_ID + "}/payload")
127 	@Subscribable
128 	@Override
129 	public Response createFile(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId,
130 			@FormDataParam(Constants.FILE) InputStream fileInputStream,
131 			@FormDataParam(Constants.FILE) FormDataContentDisposition fileMetaData) {
132 		String fileName = fileMetaData != null ? fileMetaData.getFileName() : null;
133 		var result = fileContainerService.createFile(fileContainerId, fileName, fileInputStream);
134 		return result != null ? Response.status(Status.CREATED).entity(result).build()
135 				: Response.status(Status.INTERNAL_SERVER_ERROR).build();
136 	}
137 
138 	@GET
139 	@Path("/{" + Constants.FILE_CONTAINER_ID + "}/" + Constants.PERMISSIONS)
140 	@Override
141 	public Response getFilePermissions(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId) {
142 		var perms = permissionsService.getPermissionsByNeo4jId(fileContainerId);
143 		return perms != null ? Response.ok(new PermissionsIO(perms)).build()
144 				: Response.status(Status.NOT_FOUND).build();
145 	}
146 
147 	@PUT
148 	@Path("/{" + Constants.FILE_CONTAINER_ID + "}/" + Constants.PERMISSIONS)
149 	@Override
150 	public Response editFilePermissions(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId,
151 			@Valid PermissionsIO permissions) {
152 		var perms = permissionsService.updatePermissionsByNeo4jId(permissions, fileContainerId);
153 		return perms != null ? Response.ok(new PermissionsIO(perms)).build()
154 				: Response.status(Status.NOT_FOUND).build();
155 	}
156 
157 	@GET
158 	@Path("/{" + Constants.FILE_CONTAINER_ID + "}/" + Constants.ROLES)
159 	@Override
160 	public Response getFileRoles(@PathParam(Constants.FILE_CONTAINER_ID) long fileContainerId) {
161 		var roles = new PermissionsUtil().getRolesByNeo4jId(fileContainerId,
162 				securityContext.getUserPrincipal().getName());
163 		return roles != null ? Response.ok(roles).build() : Response.status(Status.NOT_FOUND).build();
164 	}
165 
166 }