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Implement multipart request handling through invoker

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This commit improves the Invoker handler to handle multi part requests by generating the proxy request body using the body of the incoming multi part requests.

Fixes entgra/product-iots#111
Related to entgra/product-iots#103
feature/appm-store/pbac
Madawa Soysa 6 years ago committed by Madawa Soysa
parent a8843711e0
commit cd9e3e52ed
6 changed files with 112 additions and 45 deletions
Show Stats Download Patch File Download Diff File

12
components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.api/src/main/java/org/wso2/carbon/device/application/mgt/publisher/api/services/ApplicationManagementPublisherAPI.java
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@ -273,7 +273,7 @@ public interface ApplicationManagementPublisherAPI {
@POST
@Path("/ent-app")
@Produces(MediaType.APPLICATION_JSON)
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@ApiOperation(
consumes = MediaType.APPLICATION_JSON,
produces = MediaType.APPLICATION_JSON,
@ -342,7 +342,7 @@ public interface ApplicationManagementPublisherAPI {
@POST
@Path("/web-app")
@Produces(MediaType.APPLICATION_JSON)
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@ApiOperation(
consumes = MediaType.APPLICATION_JSON,
produces = MediaType.APPLICATION_JSON,
@ -406,7 +406,7 @@ public interface ApplicationManagementPublisherAPI {
@POST
@Path("/public-app")
@Produces(MediaType.APPLICATION_JSON)
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@ApiOperation(
consumes = MediaType.APPLICATION_JSON,
produces = MediaType.APPLICATION_JSON,
@ -467,7 +467,7 @@ public interface ApplicationManagementPublisherAPI {
@POST
@Produces(MediaType.APPLICATION_JSON)
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@Path("/ent-app/{appId}")
@ApiOperation(
consumes = MediaType.APPLICATION_JSON,
@ -583,7 +583,7 @@ public interface ApplicationManagementPublisherAPI {
@PUT
@Path("/image-artifacts/{uuid}")
@Produces(MediaType.APPLICATION_JSON)
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@ApiOperation(
consumes = MediaType.MULTIPART_FORM_DATA,
produces = MediaType.APPLICATION_JSON,
@ -653,7 +653,7 @@ public interface ApplicationManagementPublisherAPI {
@PUT
@Path("/app-artifacts/{deviceType}/{appType}/{appId}/{uuid}")
@Produces(MediaType.APPLICATION_JSON)
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@ApiOperation(
consumes = MediaType.MULTIPART_FORM_DATA,
produces = MediaType.APPLICATION_JSON,

12
components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.api/src/main/java/org/wso2/carbon/device/application/mgt/publisher/api/services/impl/ApplicationManagementPublisherAPIImpl.java
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@ -164,7 +164,7 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
}
@POST
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@Path("/ent-app")
public Response createEntApp(
@Multipart("application") ApplicationWrapper applicationWrapper,
@ -204,7 +204,7 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
}
@POST
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@Path("/web-app")
public Response createWebApp(
@Multipart("webapp") WebAppWrapper webAppWrapper,
@ -242,7 +242,7 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
}
@POST
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@Path("/public-app")
public Response createPubApp(
@Multipart("public-app") PublicAppWrapper publicAppWrapper,
@ -280,7 +280,7 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
}
@POST
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@Path("/ent-app/{appId}")
public Response createEntAppRelease(
@PathParam("appId") int appId,
@ -320,7 +320,7 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
@Override
@PUT
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@Produces(MediaType.APPLICATION_JSON)
@Path("/image-artifacts/{uuid}")
public Response updateApplicationImageArtifacts(
@ -357,7 +357,7 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
@Override
@PUT
@Consumes("multipart/mixed")
@Consumes({"multipart/mixed", MediaType.MULTIPART_FORM_DATA})
@Path("/app-artifact/{deviceType}/{appType}/{uuid}")
public Response updateApplicationArtifact(
@PathParam("deviceType") String deviceType,

5
components/ui-request-interceptor/io.entgra.ui.request.interceptor/pom.xml
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@ -151,5 +151,10 @@
<artifactId>org.wso2.carbon.device.application.mgt.common</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpmime</artifactId>
<scope>compile</scope>
</dependency>
</dependencies>
</project>

119
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/InvokerHandler.java
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@ -24,12 +24,17 @@ import com.google.gson.JsonParser;
import io.entgra.ui.request.interceptor.beans.AuthData;
import io.entgra.ui.request.interceptor.util.HandlerConstants;
import io.entgra.ui.request.interceptor.util.HandlerUtil;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
@ -38,6 +43,9 @@ import org.apache.http.cookie.SM;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.InputStreamBody;
import org.wso2.carbon.device.application.mgt.common.ProxyResponse;
import javax.servlet.annotation.MultipartConfig;
@ -48,6 +56,7 @@ import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.Enumeration;
import java.util.List;
import static io.entgra.ui.request.interceptor.util.HandlerUtil.execute;
@ -61,25 +70,19 @@ import static io.entgra.ui.request.interceptor.util.HandlerUtil.execute;
}
)
public class InvokerHandler extends HttpServlet {
private static final Log log = LogFactory.getLog(LoginHandler.class);
private static final Log log = LogFactory.getLog(InvokerHandler.class);
private static final long serialVersionUID = -6508020875358160165L;
private static AuthData authData;
private static String apiEndpoint;
private static String serverUrl;
private static String platform;
private AuthData authData;
private String apiEndpoint;
private String serverUrl;
private String platform;
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
try {
if (validateRequest(req, resp)) {
HttpPost postRequest = new HttpPost(generateBackendRequestURL(req));
if (StringUtils.isNotEmpty(req.getHeader(HttpHeaders.CONTENT_LENGTH)) ||
StringUtils.isNotEmpty(req.getHeader(HttpHeaders.TRANSFER_ENCODING))) {
InputStreamEntity entity = new InputStreamEntity(req.getInputStream(),
Long.parseLong(req.getHeader(HttpHeaders.CONTENT_LENGTH)));
postRequest.setEntity(entity);
}
copyRequestHeaders(req, postRequest);
generateRequestEntity(req, postRequest);
postRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
ProxyResponse proxyResponse = execute(postRequest);
@ -96,6 +99,8 @@ public class InvokerHandler extends HttpServlet {
}
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
}
} catch (FileUploadException e) {
log.error("Error occurred when processing Multipart POST request.", e);
} catch (IOException e) {
log.error("Error occurred when processing POST request.", e);
}
@ -106,7 +111,7 @@ public class InvokerHandler extends HttpServlet {
try {
if (validateRequest(req, resp)) {
HttpGet getRequest = new HttpGet(generateBackendRequestURL(req));
copyRequestHeaders(req, getRequest);
copyRequestHeaders(req, getRequest, false);
getRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
ProxyResponse proxyResponse = execute(getRequest);
if (HandlerConstants.TOKEN_IS_EXPIRED.equals(proxyResponse.getExecutorResponse())) {
@ -132,14 +137,7 @@ public class InvokerHandler extends HttpServlet {
try {
if (validateRequest(req, resp)) {
HttpPut putRequest = new HttpPut(generateBackendRequestURL(req));
if ((StringUtils.isNotEmpty(req.getHeader(HttpHeaders.CONTENT_LENGTH)) &&
Double.parseDouble(req.getHeader(HttpHeaders.CONTENT_LENGTH)) > 0) ||
StringUtils.isNotEmpty(req.getHeader(HttpHeaders.TRANSFER_ENCODING))) {
InputStreamEntity entity = new InputStreamEntity(req.getInputStream(),
Long.parseLong(req.getHeader(HttpHeaders.CONTENT_LENGTH)));
putRequest.setEntity(entity);
}
copyRequestHeaders(req, putRequest);
generateRequestEntity(req, putRequest);
putRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
ProxyResponse proxyResponse = execute(putRequest);
@ -156,6 +154,8 @@ public class InvokerHandler extends HttpServlet {
}
HandlerUtil.handleSuccess(req, resp, serverUrl, platform, proxyResponse);
}
} catch (FileUploadException e) {
log.error("Error occurred when processing Multipart PUT request.", e);
} catch (IOException e) {
log.error("Error occurred when processing PUT request.", e);
}
@ -166,7 +166,7 @@ public class InvokerHandler extends HttpServlet {
try {
if (validateRequest(req, resp)) {
HttpDelete deleteRequest = new HttpDelete(generateBackendRequestURL(req));
copyRequestHeaders(req, deleteRequest);
copyRequestHeaders(req, deleteRequest, false);
deleteRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
ProxyResponse proxyResponse = execute(deleteRequest);
if (HandlerConstants.TOKEN_IS_EXPIRED.equals(proxyResponse.getExecutorResponse())) {
@ -187,6 +187,49 @@ public class InvokerHandler extends HttpServlet {
}
}
/**
* Generate te request entity for POST and PUT requests from the incoming request.
*
* @param req incoming {@link HttpServletRequest}.
* @param proxyRequest proxy request instance.
* @throws FileUploadException If unable to parse the incoming request for multipart content extraction.
* @throws IOException If error occurred while generating the request body.
*/
private void generateRequestEntity(HttpServletRequest req, HttpEntityEnclosingRequestBase proxyRequest)
throws FileUploadException, IOException {
if (ServletFileUpload.isMultipartContent(req)) {
ServletFileUpload servletFileUpload = new ServletFileUpload(new DiskFileItemFactory());
List<FileItem> fileItemList = servletFileUpload.parseRequest(req);
MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();
entityBuilder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
for (FileItem item : fileItemList) {
if (!item.isFormField()) {
entityBuilder.addPart(item.getFieldName(), new InputStreamBody(item.getInputStream(),
ContentType.create(item.getContentType()), item.getName()));
} else {
entityBuilder.addTextBody(item.getFieldName(), item.getString(),
ContentType.create(item.getContentType()));
}
}
proxyRequest.setEntity(entityBuilder.build());
copyRequestHeaders(req, proxyRequest, false);
} else {
if (StringUtils.isNotEmpty(req.getHeader(HttpHeaders.CONTENT_LENGTH)) ||
StringUtils.isNotEmpty(req.getHeader(HttpHeaders.TRANSFER_ENCODING))) {
InputStreamEntity entity = new InputStreamEntity(req.getInputStream(),
Long.parseLong(req.getHeader(HttpHeaders.CONTENT_LENGTH)));
proxyRequest.setEntity(entity);
}
copyRequestHeaders(req, proxyRequest, true);
}
}
/**
* Generates the target URL for the proxy request.
*
* @param req incoming {@link HttpServletRequest}
* @return Target URL
*/
private String generateBackendRequestURL(HttpServletRequest req) {
StringBuilder urlBuilder = new StringBuilder();
urlBuilder.append(serverUrl).append(HandlerConstants.API_COMMON_CONTEXT).append(apiEndpoint);
@ -196,12 +239,22 @@ public class InvokerHandler extends HttpServlet {
return urlBuilder.toString();
}
private void copyRequestHeaders(HttpServletRequest req, HttpRequestBase httpRequest) {
/**
* Copy incoming request headers to the proxy request.
*
* @param req incoming {@link HttpServletRequest}
* @param httpRequest proxy request instance.
* @param preserveContentType <code>true</code> if content type header needs to be preserved.
* This should be set to <code>false</code> when handling multipart requests as Http
* client will generate the Content-Type header automatically.
*/
private void copyRequestHeaders(HttpServletRequest req, HttpRequestBase httpRequest, boolean preserveContentType) {
Enumeration<String> headerNames = req.getHeaderNames();
while (headerNames.hasMoreElements()) {
String headerName = headerNames.nextElement();
if (headerName.equalsIgnoreCase(HttpHeaders.CONTENT_LENGTH) ||
headerName.equalsIgnoreCase(SM.COOKIE)) {
headerName.equalsIgnoreCase(SM.COOKIE) ||
(!preserveContentType && headerName.equalsIgnoreCase(HttpHeaders.CONTENT_TYPE))) {
continue;
}
Enumeration<String> headerValues = req.getHeaders(headerName);
@ -212,33 +265,35 @@ public class InvokerHandler extends HttpServlet {
}
/***
* Validates the incoming request.
*
* @param req {@link HttpServletRequest}
* @param resp {@link HttpServletResponse}
* @return If request is a valid one, returns TRUE, otherwise return FALSE
* @throws IOException If and error occurs while witting error response to client side
*/
private static boolean validateRequest(HttpServletRequest req, HttpServletResponse resp)
private boolean validateRequest(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
serverUrl = req.getScheme() + "://" + req.getServerName() + ":" + req.getServerPort();
apiEndpoint = req.getPathInfo();
String sessionAuthDataKey = req.getHeader(HandlerConstants.X_PLATFORM_HEADER);
platform = req.getHeader(HandlerConstants.X_PLATFORM_HEADER);
HttpSession session = req.getSession(false);
if (session == null) {
log.error("Unauthorized, You are not logged in. Please log in to the portal");
handleError(req, resp, HttpStatus.SC_UNAUTHORIZED);
return false;
}
if (StringUtils.isEmpty(sessionAuthDataKey)) {
if (StringUtils.isEmpty(platform)) {
log.error("\"X-Platform\" header is empty in the request. Header is required to obtain the auth data from" +
" session.");
handleError(req, resp, HttpStatus.SC_BAD_REQUEST);
return false;
}
authData = (AuthData) session.getAttribute(sessionAuthDataKey);
platform = (String) session.getAttribute(HandlerConstants.PLATFORM);
authData = (AuthData) session.getAttribute(platform);
if (authData == null) {
log.error("Unauthorized, Access token not found in the current session");
handleError(req, resp, HttpStatus.SC_UNAUTHORIZED);
@ -262,7 +317,7 @@ public class InvokerHandler extends HttpServlet {
* @return {@link ProxyResponse} if successful and <code>null</code> if failed.
* @throws IOException If an error occurs when try to retry the request.
*/
private static ProxyResponse retryRequestWithRefreshedToken(HttpServletRequest req, HttpServletResponse resp,
private ProxyResponse retryRequestWithRefreshedToken(HttpServletRequest req, HttpServletResponse resp,
HttpRequestBase httpRequest) throws IOException {
if (refreshToken(req, resp)) {
httpRequest.setHeader(HttpHeaders.AUTHORIZATION, HandlerConstants.BEARER + authData.getAccessToken());
@ -284,7 +339,7 @@ public class InvokerHandler extends HttpServlet {
* @return If successfully renew tokens, returns TRUE otherwise return FALSE
* @throws IOException If an error occurs while witting error response to client side or invoke token renewal API
*/
private static boolean refreshToken(HttpServletRequest req, HttpServletResponse resp)
private boolean refreshToken(HttpServletRequest req, HttpServletResponse resp)
throws IOException {
if (log.isDebugEnabled()) {
log.debug("refreshing the token");
@ -347,7 +402,7 @@ public class InvokerHandler extends HttpServlet {
* @param errorCode HTTP error status code
* @throws IOException If error occurred when trying to send the error response.
*/
private static void handleError(HttpServletRequest req, HttpServletResponse resp, int errorCode)
private void handleError(HttpServletRequest req, HttpServletResponse resp, int errorCode)
throws IOException {
ProxyResponse proxyResponse = new ProxyResponse();
proxyResponse.setCode(errorCode);

3
components/ui-request-interceptor/io.entgra.ui.request.interceptor/src/main/java/io/entgra/ui/request/interceptor/util/HandlerConstants.java
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@ -23,7 +23,6 @@ public class HandlerConstants {
public static final String APP_REG_ENDPOINT = "/api-application-registration/register";
public static final String UI_CONFIG_ENDPOINT = "/api/application-mgt/v1.0/config/ui-config";
public static final String TOKEN_ENDPOINT = "/oauth2/token";
public static final String X_PLATFORM_HEADER = "X-Platform";
public static final String BASIC = "Basic ";
public static final String BEARER = "Bearer ";
public static final String COLON = ":";
@ -39,6 +38,8 @@ public class HandlerConstants {
public static final String EXECUTOR_EXCEPTION_PREFIX = "ExecutorException-";
public static final String TOKEN_IS_EXPIRED = "ACCESS_TOKEN_IS_EXPIRED";
public static final String X_PLATFORM_HEADER = "X-Platform";
public static final int INTERNAL_ERROR_CODE = 500;
public static final long TIMEOUT = 1200;
}

6
pom.xml
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@ -1310,6 +1310,11 @@
<artifactId>httpcore</artifactId>
<version>${apache.http.core.version}</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpmime</artifactId>
<version>${apache.http.mime.version}</version>
</dependency>
<dependency>
<groupId>commons-lang.wso2</groupId>
<artifactId>commons-lang</artifactId>
@ -2137,6 +2142,7 @@
<apache.http.client.version>4.5.6</apache.http.client.version>
<!-- apache http components core -->
<apache.http.core.version>4.4.10</apache.http.core.version>
<apache.http.mime.version>4.5.8</apache.http.mime.version>
<jersey.version>1.9</jersey.version>
<!-- Neethi version-->

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