From f319472066a45c11f4d71e96b39a201f07e7f0dd Mon Sep 17 00:00:00 2001
From: Nate Clark <nate@nateclark.com>
Date: Sun, 12 Jan 2025 23:35:29 -0500
Subject: [PATCH] web_server: Adds REST API POST endpoints to arm and disarm
 (#7985)

---
 esphome/components/web_server/web_server.cpp | 26 +++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/esphome/components/web_server/web_server.cpp b/esphome/components/web_server/web_server.cpp
index 0467023039..ed0cb3db2c 100644
--- a/esphome/components/web_server/web_server.cpp
+++ b/esphome/components/web_server/web_server.cpp
@@ -1415,6 +1415,30 @@ void WebServer::handle_alarm_control_panel_request(AsyncWebServerRequest *reques
       request->send(200, "application/json", data.c_str());
       return;
     }
+
+    auto call = obj->make_call();
+    if (request->hasParam("code")) {
+      call.set_code(request->getParam("code")->value().c_str());
+    }
+
+    if (match.method == "disarm") {
+      call.disarm();
+    } else if (match.method == "arm_away") {
+      call.arm_away();
+    } else if (match.method == "arm_home") {
+      call.arm_home();
+    } else if (match.method == "arm_night") {
+      call.arm_night();
+    } else if (match.method == "arm_vacation") {
+      call.arm_vacation();
+    } else {
+      request->send(404);
+      return;
+    }
+
+    this->schedule_([call]() mutable { call.perform(); });
+    request->send(200);
+    return;
   }
   request->send(404);
 }
@@ -1664,7 +1688,7 @@ bool WebServer::canHandle(AsyncWebServerRequest *request) {
 #endif
 
 #ifdef USE_ALARM_CONTROL_PANEL
-  if (request->method() == HTTP_GET && match.domain == "alarm_control_panel")
+  if ((request->method() == HTTP_GET || request->method() == HTTP_POST) && match.domain == "alarm_control_panel")
     return true;
 #endif