Added PutFileController (file upload) and CORS configuration

package it.inaf.ia2.transfer;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.web.servlet.config.annotation.CorsRegistry;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration

public class CorsConfig {

    @Value("${cors.allowed.origin}")

    private String corsAllowedOrigin;

    @Bean

    public WebMvcConfigurer corsConfigurer() {

        return new WebMvcConfigurer() {

            @Override

            public void addCorsMappings(CorsRegistry registry) {

                registry.addMapping("/**")

                        .allowedOrigins(corsAllowedOrigin)

                        .allowedMethods("*")

                        .allowCredentials(true);

            }

        };

    }

}

package it.inaf.ia2.transfer.controller;

import it.inaf.ia2.transfer.persistence.FileDAO;

import java.io.File;

import java.io.IOException;

import java.io.InputStream;

import java.nio.file.Files;

import java.nio.file.Path;

import java.util.Optional;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import static org.springframework.http.HttpStatus.NOT_FOUND;

import org.springframework.http.ResponseEntity;

import org.springframework.web.bind.annotation.PutMapping;

import org.springframework.web.bind.annotation.RequestParam;

import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.multipart.MultipartFile;

@RestController

public class PutFileController {

    @Value("${path_prefix}")

    private String pathPrefix;

    @Autowired

    private FileDAO fileDAO;

    @Autowired

    private HttpServletRequest request;

    @PutMapping("/**")

    public ResponseEntity<?> putFile(@RequestParam("file") MultipartFile file) throws IOException {

        String path = request.getServletPath();

        Optional<FileInfo> optFileInfo = fileDAO.getFileInfo(path);

        if (optFileInfo.isPresent()) {

            try (InputStream in = file.getInputStream()) {

                storeFile(optFileInfo.get(), in);

            }

            return ResponseEntity.ok().build();

        } else {

            return new ResponseEntity<>("File " + path + " not found", NOT_FOUND);

        }

    }

    private void storeFile(FileInfo fileInfo, InputStream is) throws IOException {

        Path path = Path.of(pathPrefix, fileInfo.getOsRelPath());

        File file = path.toFile();

        if (!file.getParentFile().exists()) {

            if (!file.getParentFile().mkdirs()) {

                throw new IllegalStateException("Unable to create parent folder: " + file.getParentFile().getAbsolutePath());

            }

        }

        Files.copy(is, file.toPath());

    }

}

server.port=8080

server.port=8087

server.servlet.context-path=/

file-catalog.datasource.jdbc-url=jdbc:postgresql://127.0.0.1:5432/vospace_testdb

jwks_uri=http://localhost/rap-ia2/auth/oidc/jwks

path_prefix=/tmp

cors.allowed.origin=http://localhost:8080

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