save file

Author: stepbystepcode

file_controller.cc

@@ -23,7 +23,7 @@ std::string shell_commons(const char* cmd) {
     return result;
 }
 
-std::string genTree(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback)
+void genTree(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback)
 {
     char *pathvar;
     pathvar = getenv("PWD");
@@ -32,9 +32,8 @@ std::string genTree(const HttpRequestPtr &req, std::function<void(const HttpResp
     res->addHeader("Access-Control-Allow-Origin", "*");
     res ->setBody(result);  
     callback(res);
-    return result;
 }
-std::string catFile(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback)
+void catFile(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback)
 {
     char *pathvar;
     pathvar = getenv("PWD");
@@ -44,5 +43,25 @@ std::string catFile(const HttpRequestPtr &req, std::function<void(const HttpResp
     res->addHeader("Access-Control-Allow-Origin", "*");
     res ->setBody(result);  
     callback(res);
-    return result;
+}
+void saveFile(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback)
+{
+    auto body = req->getBody();
+    Json::Value req_json;
+    Json::Reader reader;
+    std::string bodyStr(body);
+    if (!reader.parse(bodyStr, req_json)) {
+        std::cout<<"parse failed"<<std::endl;
+        callback(HttpResponse::newHttpResponse());
+        return;
+    }
+    char *pathvar;
+    pathvar = getenv("PWD");
+    std::string filename = req_json["filename"].asString();
+    std::string content = req_json["content"].asString();
+    std::string result = shell_commons(("echo '"+content+"'>"+std::string(pathvar)+"/../root/"+filename).c_str()) ;
+    auto res = HttpResponse::newHttpResponse();
+    res->addHeader("Access-Control-Allow-Origin", "*");
+    res ->setBody("success");  
+    callback(res);
 }

file_controller.h

@@ -4,7 +4,8 @@
 #include <drogon/drogon.h>
 using namespace drogon;
 std::string shell_commons(const char* cmd);
-std::string genTree(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback);
-std::string catFile(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback);
+void genTree(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback);
+void catFile(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback);
+void saveFile(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback);
 //std::string 
 #endif

main.cc

@@ -36,10 +36,12 @@ int main() {
     });  
     drogon::app().registerHandler("/api/file/cat", [](const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback) {
         catFile(req, std::move(callback));
+    });  
+    drogon::app().registerHandler("/api/file/save", [](const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback) {
+        saveFile(req, std::move(callback));
     });  
       drogon::app().registerHandler("/api/avatar", [](const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback) {
         avatar(req, std::move(callback));
-
     });
     drogon::app().run();
     return 0;

root/lgy

@@ -1 +1 @@
-# this is lgy file
+123

root/lj/lljj

@@ -0,0 +1 @@
+666