From c6e42195cc25f630f24e7778b3fb27e82c465cd1 Mon Sep 17 00:00:00 2001
From: rmsamitha <rmschathuranga@gmail.com>
Date: Tue, 5 Nov 2024 21:15:48 +0530
Subject: [PATCH] Introduce proxy support for backend oauth security

---
 .../apimgt/api/model/EndpointSecurity.java    | 67 +++++++++++++++++++
 .../carbon/apimgt/impl/APIProviderImpl.java   |  7 +-
 2 files changed, 72 insertions(+), 2 deletions(-)

diff --git a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/EndpointSecurity.java b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/EndpointSecurity.java
index 3310180d7a3d..f896150cdff0 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/EndpointSecurity.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.api/src/main/java/org/wso2/carbon/apimgt/api/model/EndpointSecurity.java
@@ -56,6 +56,8 @@ public class EndpointSecurity {
 
     private int socketTimeoutDuration = -1;
 
+    private ProxyConfigs proxyConfigs;
+
     public EndpointSecurity(EndpointSecurity endpointSecurity) {
 
         this.uniqueIdentifier = endpointSecurity.uniqueIdentifier;
@@ -72,11 +74,19 @@ public EndpointSecurity(EndpointSecurity endpointSecurity) {
         this.connectionTimeoutDuration = endpointSecurity.connectionTimeoutDuration;
         this.connectionRequestTimeoutDuration = endpointSecurity.connectionRequestTimeoutDuration;
         this.socketTimeoutDuration = endpointSecurity.socketTimeoutDuration;
+        this.proxyConfigs = endpointSecurity.proxyConfigs;
     }
 
     public EndpointSecurity() {
 
     }
+    public ProxyConfigs getProxyConfigs() {
+        return proxyConfigs;
+    }
+
+    public void setProxyConfigs(ProxyConfigs proxyConfigs) {
+        this.proxyConfigs = proxyConfigs;
+    }
 
     public String getUniqueIdentifier() {
 
@@ -241,6 +251,63 @@ public void setSocketTimeoutDuration(int socketTimeoutDuration) {
         this.socketTimeoutDuration = socketTimeoutDuration;
     }
 
+    public static class ProxyConfigs {
+        private boolean proxyEnabled;
+        private String proxyHost;
+        private String proxyPort;
+        private String proxyProtocol;
+        private String proxyUsername;
+        private String proxyPassword;
+
+        public boolean isProxyEnabled() {
+            return proxyEnabled;
+        }
+
+        public void setProxyEnabled(boolean proxyEnabled) {
+            this.proxyEnabled = proxyEnabled;
+        }
+
+        public String getProxyHost() {
+            return proxyHost;
+        }
+
+        public void setProxyHost(String proxyHost) {
+            this.proxyHost = proxyHost;
+        }
+
+        public String getProxyPort() {
+            return proxyPort;
+        }
+
+        public void setProxyPort(String proxyPort) {
+            this.proxyPort = proxyPort;
+        }
+
+        public String getProxyProtocol() {
+            return proxyProtocol;
+        }
+
+        public void setProxyProtocol(String proxyProtocol) {
+            this.proxyProtocol = proxyProtocol;
+        }
+
+        public String getProxyUsername() {
+            return proxyUsername;
+        }
+
+        public void setProxyUsername(String proxyUsername) {
+            this.proxyUsername = proxyUsername;
+        }
+
+        public String getProxyPassword() {
+            return proxyPassword;
+        }
+
+        public void setProxyPassword(String proxyPassword) {
+            this.proxyPassword = proxyPassword;
+        }
+    }
+
     @Override
     public String toString() {
 
diff --git a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java
index 66ceeb1f9b8d..a06a898cf5c6 100644
--- a/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java
+++ b/components/apimgt/org.wso2.carbon.apimgt.impl/src/main/java/org/wso2/carbon/apimgt/impl/APIProviderImpl.java
@@ -1257,10 +1257,12 @@ private void updateEndpointSecurity(API oldApi, API api) throws APIManagementExc
                                         endpointSecurity.setClientId(oldEndpointSecurity.getClientId());
                                         endpointSecurity.setClientSecret(oldEndpointSecurity.getClientSecret());
                                         endpointSecurity.setCustomParameters(oldEndpointSecurity.getCustomParameters());
+                                        endpointSecurity.setProxyConfigs(oldEndpointSecurity.getProxyConfigs());
                                     }
                                 }
-                                endpointSecurityJson.replace(APIConstants.ENDPOINT_SECURITY_PRODUCTION, new JSONParser()
-                                        .parse(new ObjectMapper().writeValueAsString(endpointSecurity)));
+                                endpointSecurityJson.replace(APIConstants.ENDPOINT_SECURITY_PRODUCTION,
+                                        new JSONParser().parse(
+                                                new ObjectMapper().writeValueAsString(endpointSecurity)));
                             }
                         }
                         if (endpointSecurityJson.get(APIConstants.ENDPOINT_SECURITY_SANDBOX) != null) {
@@ -1303,6 +1305,7 @@ private void updateEndpointSecurity(API oldApi, API api) throws APIManagementExc
                                         endpointSecurity.setClientId(oldEndpointSecurity.getClientId());
                                         endpointSecurity.setClientSecret(oldEndpointSecurity.getClientSecret());
                                         endpointSecurity.setCustomParameters(oldEndpointSecurity.getCustomParameters());
+                                        endpointSecurity.setProxyConfigs(oldEndpointSecurity.getProxyConfigs());
                                     }
                                 }
                                 endpointSecurityJson.replace(APIConstants.ENDPOINT_SECURITY_SANDBOX,