Added Download Request

Author: TechsCode

src/main/java/me/TechsCode/ReleaseServer/Config.java

@@ -20,12 +20,22 @@
 
 public class Config {
 
+    private static Config instance;
+
+    public static Config getInstance(){
+        if(instance == null){
+            instance = new Config();
+        }
+
+        return instance;
+    }
+
     private static final Gson gson = new Gson();
 
     private File file;
     private JsonObject root;
 
-    public Config() {
+    private Config() {
         this.file = new File("config.json");
 
         if(!file.exists()){

src/main/java/me/TechsCode/ReleaseServer/ReleaseServer.java

@@ -17,7 +17,7 @@ public class ReleaseServer {
     private static List<Artifact> artifacts;
 
     public static void main(String[] args){
-        Config config = new Config();
+        Config config = Config.getInstance();
 
         SpringApplication app = new SpringApplication(ReleaseServer.class);
         app.setDefaultProperties(Collections.singletonMap("server.port", config.getPort()));
@@ -52,6 +52,9 @@ public List<Artifact> getArtifacts() {
         };
     }
 
+    public static List<Artifact> getArtifacts() {
+        return artifacts;
+    }
 }
 
 

src/main/java/me/TechsCode/ReleaseServer/WebRequestsHandler.java

@@ -1,14 +1,62 @@
 package me.TechsCode.ReleaseServer;
 
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.UrlResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.util.Optional;
 
 @RestController
 public class WebRequestsHandler {
 
     @RequestMapping("/")
     public String index() {
-        return "Im a happy server that moves around new software releases";
+        return "Im a happy server that moves around new software releases :)";
+    }
+
+    @GetMapping("/download/{project}/{tag}")
+    public Object download(@RequestParam(value = "token") String token, @PathVariable(value = "project") String project, @PathVariable(value = "tag") String tag){
+        if(token == null){
+            return "You dont have any token provided!";
+        }
+
+        if(!Config.getInstance().getTokens().contains(token)){
+            return "The token you have provided is invalid!";
+        }
+
+        Optional<Artifact> artifact = ReleaseServer.getArtifacts().stream()
+                .filter(x -> x.getRelease().getProject().getName().equalsIgnoreCase(project))
+                .filter(x -> x.getRelease().getUniqueTag().equals(tag))
+                .findFirst();
+
+        if(artifact.isPresent()){
+            if(artifact.get().getAssets().length == 0){
+                return "This artifact does not have any assets!";
+            }
+
+            if(artifact.get().getAssets().length > 1){
+                return "This artifact has too many assets!";
+            }
+
+            try {
+                File asset = artifact.get().getAssets()[0];
+
+                return ResponseEntity.ok()
+                        .contentType(MediaType.APPLICATION_OCTET_STREAM)
+                        .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + asset.getName() + "\"")
+                        .body(new UrlResource(asset.getPath()));
+            } catch (MalformedURLException e) {
+                e.printStackTrace();
+                return "Error: "+e.getMessage();
+            }
+        } else {
+            return "Could not find any artifact";
+        }
     }
 }