#213 expose rest api for handling uploaded resources

src/main/java/alfio/controller/api/admin/ResourceController.java

@@ -0,0 +1,197 @@
+/**
+ * This file is part of alf.io.
+ *
+ * alf.io is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * alf.io is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * This file is part of alf.io.
+ * <p>
+ * alf.io is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * alf.io is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package alfio.controller.api.admin;
+
+import alfio.manager.UploadedResourceManager;
+import alfio.manager.user.UserManager;
+import alfio.model.UploadedResource;
+import alfio.model.modification.UploadBase64FileModification;
+import alfio.repository.EventRepository;
+import org.apache.commons.lang3.Validate;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.security.Principal;
+import java.util.List;
+
+import static org.springframework.web.bind.annotation.RequestMethod.POST;
+
+@RestController
+@RequestMapping("/admin/api")
+public class ResourceController {
+
+
+    private final UploadedResourceManager uploadedResourceManager;
+    private final UserManager userManager;
+    private final EventRepository eventRepository;
+
+
+    @Autowired
+    public ResourceController(UploadedResourceManager uploadedResourceManager, UserManager userManager, EventRepository eventRepository) {
+        this.uploadedResourceManager = uploadedResourceManager;
+        this.userManager = userManager;
+        this.eventRepository = eventRepository;
+    }
+
+    //------------------
+
+    @RequestMapping(value = "/resource/", method = RequestMethod.GET)
+    public List<UploadedResource> findAll(Principal principal) {
+        checkAccess(principal);
+        return uploadedResourceManager.findAll();
+    }
+
+    @RequestMapping(value = "/resource-organization/{organizationId}", method = RequestMethod.GET)
+    public List<UploadedResource> findAllForOrganization(@PathVariable("organizationId") int organizationId, Principal principal) {
+        checkAccess(organizationId, principal);
+        return uploadedResourceManager.findAll(organizationId);
+    }
+
+    @RequestMapping(value = "/resource-event/{organizationId}/{eventId}", method = RequestMethod.GET)
+    public List<UploadedResource> findAllForEvent(@PathVariable("organizationId") int organizationId, @PathVariable("eventId") int eventId, Principal principal) {
+        checkAccess(organizationId, eventId, principal);
+        return uploadedResourceManager.findAll(organizationId, eventId);
+    }
+
+
+    //------------------
+
+    @RequestMapping(value = "/resource/{name}/metadata", method = RequestMethod.GET)
+    public UploadedResource getMetadata(@PathVariable("name") String name, Principal principal) {
+        checkAccess(principal);
+        return uploadedResourceManager.get(name);
+    }
+
+    @RequestMapping(value = "/resource-organization/{organizationId}/{name}/metadata", method = RequestMethod.GET)
+    public UploadedResource getMetadata(@PathVariable("organizationId") int organizationId, @PathVariable("name") String name, Principal principal) {
+        checkAccess(organizationId, principal);
+        return uploadedResourceManager.get(organizationId, name);
+    }
+
+    @RequestMapping(value = "/resource-event/{organizationId}/{eventId}/{name}/metadata", method = RequestMethod.GET)
+    public UploadedResource getMetadata(@PathVariable("organizationId") int organizationId, @PathVariable("eventId") int eventId, @PathVariable("name") String name, Principal principal) {
+        checkAccess(organizationId, eventId, principal);
+        return uploadedResourceManager.get(organizationId, eventId, name);
+    }
+
+    //------------------
+
+    @RequestMapping(value = "/resource/", method = POST)
+    public void uploadFile(@RequestBody UploadBase64FileModification upload, Principal principal) {
+        checkAccess(principal);
+        uploadedResourceManager.saveResource(upload);
+    }
+
+    @RequestMapping(value = "/resource-organization/{organizationId}/", method = POST)
+    public void uploadFile(@PathVariable("organizationId") int organizationId, @RequestBody UploadBase64FileModification upload, Principal principal) {
+        checkAccess(organizationId, principal);
+        uploadedResourceManager.saveResource(organizationId, upload);
+    }
+
+    @RequestMapping(value = "/resource-event/{organizationId}/{eventId}/", method = POST)
+    public void uploadFile(@PathVariable("organizationId") int organizationId, @PathVariable("eventId") int eventId, @RequestBody UploadBase64FileModification upload, Principal principal) {
+        checkAccess(organizationId, eventId, principal);
+        uploadedResourceManager.saveResource(organizationId, eventId, upload);
+    }
+
+    //------------------
+    @RequestMapping(value = "/resource/{name}", method = RequestMethod.GET)
+    public void outputContent(@PathVariable("name") String name, Principal principal, HttpServletResponse response) throws IOException {
+        checkAccess(principal);
+        UploadedResource metadata = uploadedResourceManager.get(name);
+        try (OutputStream os = response.getOutputStream()) {
+            response.setContentType(metadata.getContentType());
+            response.setContentLength(metadata.getContentSize());
+            uploadedResourceManager.outputResource(name, os);
+        }
+    }
+
+    @RequestMapping(value = "/resource-organization/{organizationId}/{name}", method = RequestMethod.GET)
+    public void outputContent(@PathVariable("organizationId") int organizationId, @PathVariable("name") String name, Principal principal, HttpServletResponse response) throws IOException {
+        checkAccess(organizationId, principal);
+        UploadedResource metadata = uploadedResourceManager.get(organizationId, name);
+        try (OutputStream os = response.getOutputStream()) {
+            response.setContentType(metadata.getContentType());
+            response.setContentLength(metadata.getContentSize());
+            uploadedResourceManager.outputResource(organizationId, name, os);
+        }
+    }
+
+    @RequestMapping(value = "/resource-event/{organizationId}/{eventId}/{name}", method = RequestMethod.GET)
+    public void outputContent(@PathVariable("organizationId") int organizationId, @PathVariable("eventId") int eventId, @PathVariable("name") String name, Principal principal, HttpServletResponse response) throws IOException {
+        checkAccess(organizationId, eventId, principal);
+        UploadedResource metadata = uploadedResourceManager.get(organizationId, eventId, name);
+        try (OutputStream os = response.getOutputStream()) {
+            response.setContentType(metadata.getContentType());
+            response.setContentLength(metadata.getContentSize());
+            uploadedResourceManager.outputResource(organizationId, eventId, name, os);
+        }
+    }
+
+    //------------------
+
+    @RequestMapping(value = "/resource/{name}", method = RequestMethod.DELETE)
+    public void delete(@PathVariable("name") String name, Principal principal) {
+        checkAccess(principal);
+        uploadedResourceManager.deleteResource(name);
+    }
+
+    @RequestMapping(value = "/resource-organization/{organizationId}/{name}", method = RequestMethod.DELETE)
+    public void delete(@PathVariable("organizationId") int organizationId, @PathVariable("name") String name, Principal principal) {
+        checkAccess(organizationId, principal);
+        uploadedResourceManager.deleteResource(organizationId, name);
+    }
+
+    @RequestMapping(value = "/resource-event/{organizationId}/{eventId}/{name}", method = RequestMethod.DELETE)
+    public void delete(@PathVariable("organizationId") int organizationId, @PathVariable("eventId") int eventId, @PathVariable("name") String name, Principal principal) {
+        checkAccess(organizationId, eventId, principal);
+        uploadedResourceManager.deleteResource(organizationId, eventId, name);
+    }
+
+    //------------------
+
+    private void checkAccess(Principal principal) {
+        Validate.isTrue(userManager.isAdmin(userManager.findUserByUsername(principal.getName())));
+    }
+
+    private void checkAccess(int organizationId, Principal principal) {
+        Validate.isTrue(userManager.isOwnerOfOrganization(userManager.findUserByUsername(principal.getName()), organizationId));
+    }
+
+    private void checkAccess(int organizationId, int eventId, Principal principal) {
+        Validate.isTrue(eventRepository.findById(eventId).getOrganizationId() == organizationId && userManager.isOwnerOfOrganization(userManager.findUserByUsername(principal.getName()), organizationId));
+    }
+}