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Enable CORS requests for REPLGridServer #2832

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Enable CORS requests for REPLGridServer #2832

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2 changes: 1 addition & 1 deletion legend-engine-config/legend-engine-repl/legend-engine-repl-relational/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@

<properties>
<skip.yarn>false</skip.yarn>
<repl.web-application.version>11.37.0</repl.web-application.version>
<repl.web-application.version>11.42.0</repl.web-application.version>
<repl.web-application.url>${npm.registry.url}/@finos/legend-application-repl-deployment/-/legend-application-repl-deployment-${repl.web-application.version}.tgz</repl.web-application.url>
</properties>

Expand Down
26 changes: 25 additions & 1 deletion ...onal/src/main/java/org/finos/legend/engine/repl/relational/httpServer/ReplGridServer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
import com.fasterxml.jackson.annotation.JsonProperty;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.sun.net.httpserver.Headers;
import org.eclipse.collections.api.RichIterable;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
Expand Down Expand Up @@ -118,6 +119,7 @@ public void initializeServer() throws Exception
@Override
public void handle(HttpExchange exchange) throws IOException
{
handleCORS(exchange);
if ("GET".equals(exchange.getRequestMethod()))
{
try
Expand All @@ -143,6 +145,7 @@ public void handle(HttpExchange exchange) throws IOException
@Override
public void handle(HttpExchange exchange) throws IOException
{
handleCORS(exchange);
if ("GET".equals(exchange.getRequestMethod()))
{
try
Expand Down Expand Up @@ -172,6 +175,7 @@ public void handle(HttpExchange exchange) throws IOException
@Override
public void handle(HttpExchange exchange) throws IOException
{
handleCORS(exchange);
if ("GET".equals(exchange.getRequestMethod()))
{
try
Expand All @@ -195,6 +199,7 @@ public void handle(HttpExchange exchange) throws IOException
@Override
public void handle(HttpExchange exchange) throws IOException
{
handleCORS(exchange);
if ("POST".equals(exchange.getRequestMethod()))
{
try
Expand Down Expand Up @@ -226,6 +231,7 @@ public void handle(HttpExchange exchange) throws IOException
@Override
public void handle(HttpExchange exchange) throws IOException
{
handleCORS(exchange);
if ("POST".equals(exchange.getRequestMethod()))
{
try
Expand Down Expand Up @@ -257,6 +263,7 @@ public void handle(HttpExchange exchange) throws IOException
@Override
public void handle(HttpExchange exchange) throws IOException
{
handleCORS(exchange);
if ("POST".equals(exchange.getRequestMethod()))
{
try
Expand All @@ -280,6 +287,7 @@ public void handle(HttpExchange exchange) throws IOException
@Override
public void handle(HttpExchange exchange) throws IOException
{
handleCORS(exchange);
if ("GET".equals(exchange.getRequestMethod()))
{
ValueSpecification funcBody = null;
Expand Down Expand Up @@ -429,4 +437,20 @@ private static boolean checkIfPaginationIsEnabled(String queryParamsString)
}
return queryParams.get("isPaginationEnabled").equals("true") ? true : false;
}
}

private static void handleCORS(HttpExchange exchange) throws IOException
{
Headers headers = exchange.getResponseHeaders();
headers.add("Access-Control-Allow-Origin", "http://localhost:9005");
headers.add("allowedMethods", "GET, POST, OPTIONS");
headers.add("Access-Control-Allow-Credentials", "true");
headers.add("allowedTimingOrigins", "true");
headers.add("chainPreflight", "false");
headers.add("Access-Control-Allow-Headers", "Access-Control-Allow-Headers, Origin, Accept, X-Requested-With, Content-Type, Access-Control-Request-Method, Access-Control-Request-Headers");

if ("OPTIONS".equals(exchange.getRequestMethod()))
{
exchange.sendResponseHeaders(204, -1);
}
}
}