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/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.flowable.rest.service.api.identity;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import io.swagger.annotations.Authorization;
import org.apache.commons.io.IOUtils;
import org.flowable.common.engine.api.FlowableException;
import org.flowable.common.engine.api.FlowableIllegalArgumentException;
import org.flowable.common.engine.api.FlowableObjectNotFoundException;
import org.flowable.idm.api.Picture;
import org.flowable.idm.api.User;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayOutputStream;
/**
* @author Frederik Heremans
*/
@RestController
@Api(tags = { "Users" }, description = "Manage Users", authorizations = { @Authorization(value = "basicAuth") })
public class UserPictureResource extends BaseUserResource {
@ApiOperation(value = "Get a user’s picture", produces = "application/octet-stream", tags = {
"Users" }, notes = "The response body contains the raw picture data, representing the user’s picture. The Content-type of the response corresponds to the mimeType that was set when creating the picture.")
@ApiResponses(value = {
@ApiResponse(code = 200, message = "Indicates the user was found and has a picture, which is returned in the body."),
@ApiResponse(code = 404, message = "Indicates the requested user was not found or the user does not have a profile picture. Status-description contains additional information about the error.")
})
@GetMapping(value = "/identity/users/{userId}/picture")
public ResponseEntity getUserPicture(@ApiParam(name = "userId") @PathVariable String userId, HttpServletRequest request, HttpServletResponse response) {
User user = getUserFromRequest(userId);
Picture userPicture = identityService.getUserPicture(user.getId());
if (userPicture == null) {
throw new FlowableObjectNotFoundException("The user with id '" + user.getId() + "' does not have a picture.", Picture.class);
}
HttpHeaders responseHeaders = new HttpHeaders();
if (userPicture.getMimeType() != null) {
responseHeaders.set("Content-Type", userPicture.getMimeType());
} else {
responseHeaders.set("Content-Type", "image/jpeg");
}
try {
return new ResponseEntity<>(IOUtils.toByteArray(userPicture.getInputStream()), responseHeaders, HttpStatus.OK);
} catch (Exception e) {
throw new FlowableException("Error exporting picture: " + e.getMessage(), e);
}
}
@ApiOperation(consumes = "multipart/form-data", value = "Updating a user’s picture", tags = {
"Users" }, notes = "The request should be of type multipart/form-data. There should be a single file-part included with the binary value of the picture. On top of that, the following additional form-fields can be present:\n"
+ "\n"
+ "mimeType: Optional mime-type for the uploaded picture. If omitted, the default of image/jpeg is used as a mime-type for the picture.")
@ApiImplicitParams({
@ApiImplicitParam(name = "file", dataType = "file", value = "Picture to update", paramType = "form", required = true)
})
@ApiResponses(value = {
@ApiResponse(code = 204, message = "Indicates the user was found and the picture has been updated. The response-body is left empty intentionally."),
@ApiResponse(code = 404, message = "Indicates the requested user was not found.")
})
@PutMapping(value = "/identity/users/{userId}/picture", consumes = "multipart/form-data")
public void updateUserPicture(@ApiParam(name = "userId") @PathVariable String userId, HttpServletRequest request, HttpServletResponse response) {
User user = getUserFromRequest(userId);
if (!(request instanceof MultipartHttpServletRequest)) {
throw new FlowableIllegalArgumentException("Multipart request is required");
}
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
if (multipartRequest.getFileMap().size() == 0) {
throw new FlowableIllegalArgumentException("Multipart request with file content is required");
}
MultipartFile file = multipartRequest.getFileMap().values().iterator().next();
try {
String mimeType = file.getContentType();
int size = ((Long) file.getSize()).intValue();
// Copy file-body in a bytearray as the engine requires this
ByteArrayOutputStream bytesOutput = new ByteArrayOutputStream(size);
IOUtils.copy(file.getInputStream(), bytesOutput);
Picture newPicture = new Picture(bytesOutput.toByteArray(), mimeType);
identityService.setUserPicture(user.getId(), newPicture);
response.setStatus(HttpStatus.NO_CONTENT.value());
} catch (Exception e) {
throw new FlowableException("Error while reading uploaded file: " + e.getMessage(), e);
}
}
}
